国产gy6发动机变速箱保养(gy6变速箱装配图)

摩比网 2022-12-15 16:41 编辑:admin 170阅读

1. gy6变速箱装配图

你好,摩托车本田大白鲨比国产125踏板要好很多,本田大白鲨125就是本田的cm125.他的质量是非常好的,他们所用的配件是全球最好的,包括他们的装配工艺也是非常科学的,他的发动机是gy6发动机,变速箱是无级变速,油耗比较低,总的来说要比国产125踏板好很多。

2. gy6传动箱

摩托车发动机运转时,常会产生各种响声。工作正常的摩托车,允许其有一定的程度的响声。但当某机构发生故障时,就会引起不正常响声时。若不及时检修,就容易加速机件的磨损或损坏,缩短摩托车发动机的使用寿命。现将通常易发生的几种异响分析如下。

一,活塞敲缸声

活塞与气缸间隙过大,发动机工作时,会产生一种较大尖锐的敲击声,突然加速或减感觉时,发生“嗒嗒“声。这种响声在发动机冷车及加速时最为明显,发动机运转温度升高响声会有所降低。

检查方法如下:

(1)未启动发动机前,连续踏动启动杆,一般听不到敲击声。但当启动后,突然加速,便发生“嗒嗒“声,即为敲缸声。

(2)拆下火花塞,往气缸内注入约1/20升机油,踏动启动杆数次,再启动发动机,如响声减轻或消除,则是活塞与缸壁间隙过大机油暂时填满所致。但几分钟后,机油受热变稀漏去,响声仍会出现。

(3)用一长把改锥(或一金属杆件),一端接触气缸的上部,另一端紧贴耳朵测听,会听到较沉闷的“嗒嗒“的敲击声。 有时由于修理时将连杆小头套与活塞销,装配较紧也会发生敲缸声,但这种响声较沉闷,且一般是修车后启动时才发生。

二,活塞销的敲击声

活塞销与连杆小头套或活塞销与活塞销孔配合间隙过大,活塞上下运动时引起径向敲击,产生较清脆的“嗒嗒“声。这种响声一般在高速运转和突然加速时较为明显。将点火时间推迟,响声会稍减轻。

检查方法:

不启动发动机,连续踏动启动杆,会听到气缸内发出一种“咯嗒、咯嗒“的声音。启动发动机后,使发动机怠速运转,将改锥接触气缸中上部,用耳朵侧听,有明显的“嗒嗒“声。

三,爆燃引起的敲击声

发动机突然加速或摩托车上坡时,气缸内部发出连续尖锐的“嗒嗒“声,即为爆燃引起的敲击声。

爆燃引起的敲击声同活塞销与连杆小头衬套配合间隙过大所发出的响声相似。但爆燃引起的敲击声在怠速时不会发生,未启动前踏动启动杆听不到响声;启动后,活塞销发出的响声连续而杂乱,而爆燃引起的敲击声在加大负荷和上坡时最为明显,且响声较清脆。

3. 4y变速箱分解图

长安新之星功率为98马力(72kW)。车身尺寸为3980/1620/1890mm,轴距达到了2560mm,比起第一代长安之星已经加长了210mm。新车搭配的是长安汽车最新研发的E12发动机,排量为1.2L,代号为JL473Q,最大功率为98马力(72kW)/6000rpm,峰值扭矩为119N·m/5000-5500rpm,动力输出方面较老款车型有明显提高。据了解,该车的百公里油耗为6.5L,排放达到国IV标准,传动部分匹配五挡手动变速箱。

4. gy6变速箱轴承型号

Gy6超越离合器轴承式比较耐用。 GI6发动机采用的是雅马哈发动机的样式。超越离合器轴承式这种设计特别耐用,一般不易出现故障,但是前提条件下你采用的是品牌的轴承式离合器。

这种超越离合器在完全浸泡在机油里,使机油润滑到离合器全部比较省油耐用是个不错的设计,希望我的回答能够帮助到你。

5. gy6传动箱构造

GY6是一种最常见的踏板摩托车发动机,拆卸它的传动箱盖,要先卸下起动杆,然后卸下传动箱盖螺丝,一共是9个,上面5个下面4个(下面也是5个螺丝,但有一个短螺丝是固定主支架垫板的,不用拆)。

再用胶皮锤敲打传动箱盖较厚实的部分,或者是用锤子+铁杆打箱盖上的凸起,就可以把传动箱盖拆下来了。

6. gy6变速箱后轮全套轴承型号

踏板摩托车如果确认是传动箱内有异响,并且抖动和油耗变大,首先应检查后皮带轮是否有问题,踏板车的传动系统中,最容易出现异响的就是后皮带轮,如皮带轮的轴承或滑动套有问题,都会造成异响,但在熄火推车时却不会发出异响。

不过熄火推车时没有噪音,也不能完全排除齿轮箱没有问题,因为在推车时,转速是非常低的,与行驶中的高转速无法相比。

齿轮箱如果有问题,能造成异响的原因主要是齿轮箱的齿轮、轴承磨损。

有的踏板车装有滑行齿轮,如果它坏了,也会造成抖动和油耗变大,并且也可能会发出噪音。

另外油耗大还可能与传动皮带磨损过大或抻长松动有关,前皮带轮里的普利珠等也应顺便检查一下。

7. gy6传动改装方案

网上有套件卖的 比如GY6-125形式的踏板车可以很成熟的改成 GY6-200或者250 加上四气门缸头套件 这个是最显著的了 然后就得按排量改装加大进气 大口径化油器 排气管改回压或直排(直排扭力可能更大点) 点火系统改点火增强 点火竞技级别高压包高压线高压帽 NGK或电装铱金级别火花塞 传动系统改加大普利盘 加重多边形普利珠 用进口坂东皮带 大 小弹簧(使用合适强度的需根据普利盘 普利珠来调整) 甩块 。

普利盘和 碗公最好能改轻量化。更换竞技级别曲轴 和齿轮箱组件。为了安全 应当重新加焊车架 强化关键部位 真空轮胎 改8层以上的半热熔或热熔扁宽胎 更换合适的轮毂 前后应当改竞技用成液压式碟刹 至少类似NCY劲战火箭筒型前叉组 及其后减震,并调试为合适角度和硬度!技术活。这样下来可以买一辆挺不错的近年代大排了 或者加钱买车! 125CC其实也差不多能到80-100KM/H 小羊代步足够了 改装有风险 而且不合法 一定把安全放在第一位,在提高安全性的角度 适当的改造就可以了。再补充一句 用合适的合成机油

8. 4y变速箱安装视频

学习电子琴需要知道基本的乐理知识,会看简单的乐谱、熟悉电子琴构造、学会电子琴弹奏手法,然后再勤加练习,就能学会电子琴。

认识电子琴

电子琴是一种电子键盘乐器,属于电子音乐合成器。

电子琴以其音色优美、节奏丰富、功能众多和演奏方便等特点,快步进入了家庭,登上了艺术舞台并深受音乐爱好者的青睐。

电子琴种类

电子琴种类繁多,按功能和用途大体上可分为以下四大类:玩具型电子琴、教学型电子琴、家庭型电子琴、舞台演奏型电子琴。

玩具型电子琴

玩具型电子琴的外观结构一般为袖珍式或便携式,采用小型键盘。体积小、重量轻、便于携带、音域较窄、模拟音色较少、价格低廉。

主要供少年儿童娱乐或培养他们的音乐兴趣,也可用于成人的一般娱乐。国外生产的高档玩具电子琴,有的带有随机存储功能,可把弹奏的乐曲记忆下来,并加以重放,有的还带有简单的自动伴奏功能。

学习电子琴的时候,如果只是为了培养孩子兴趣,或者是当做玩乐工具多一点,那么就可以购买这种电子琴,这种电子琴比较便宜,而且容易携带。

教学型电子琴

教学型电子琴采用中型键盘或标准键盘,主要用于音乐教学,培养学生对键盘的控制能力,对和弦等音乐知识的掌握以及音乐课伴奏等。其结构和功能也有多种,对中、小学生音乐教学,可采用中低档的便携式或落地式电子琴。专业音乐教学,则可以使用中高档落地式电子琴,也可以使用专门设计的带有中心控制台的电子琴群,教师可以通过中心控制台监听或检查学生的练习情况。

教学型电子琴一般是学校或者培训班采购的比较多,老师用这种电子琴教授学生上课。

家庭型电子琴

家庭型电子琴主要特点是造型轻巧,色调雅致,适合室内摆设,结构可分为便携式或落地式。具有一层或两层标准键盘,模拟音色为几个至十几个。一般都带有自动伴奏系统,机内装有放大器和扬声器,输出功率为20~60W。这类电子琴也可用于小型乐队伴奏。

家庭型电子琴比较适合在加练习使用,如果我们只是把电子琴当做爱好,又想学习的稍微专业一点,那么就可以购买这种类型的电子琴。

舞台演奏型

舞台演奏型电子琴采用大型落地式结构,由手键盘、足键盘、壳体及音箱组成。主要供专业演奏人员用来独奏或伴奏,可达到一个交响乐队的演奏效果。它一般有三套键盘,上层键盘演奏主旋律,下层键盘演奏和声,足键盘演奏低音部分。这类电子琴音色纯美,声音细腻,模拟逼真,变化丰富。模拟音色一般在20种以上,音域一般超过四个八度,输出功率比较大,有的还具有独立的扩大系统或扬声器组。

越是高级的电子琴具有的功能越多,音色越丰富,它能逼真地模拟钢琴、竖琴、风琴、手风琴、电颤琴、管风琴、木琴、小提琴、大提琴、吉他、电吉他、夏威夷吉他、曼陀林、单簧管、双簧管、萨克管、长笛、短笛、大号、小号、长号、圆号、沙锤、钟声等多种乐器的优美音色。瞬时,还能自动伴奏华尔兹、迪斯科、波尔卡、探戈、伦巴、桑巴、进行曲、摇摆舞、西印度土风舞等不同风格的乐曲节奏。此外,还具有颤音、延迟颤音、持续音、混响的立体声效果。

这种类型的电子琴一般适合用于大型表演,所以需要的功能会比较多,可以演奏出复杂的音色,如果有表演的适合可以选购这种电子琴。

选择电子琴的适合除了需要选择到适合的电子琴,还需要注意以下几点。

如何选购电子琴

1、音准:包括音准度和音准稳定性。采用中、大规模集成电路的电子琴音准较为稳定,受季节影响小。

2、键盘:琴键数通常有29键、37键、44键、49键、61键等。键数越多,演奏范围越宽。成人最好选用标准键盘;儿童由于手小,也可选用手风琴键盘(又称小型键盘)或微型键盘。琴键的手感要好,要光洁、平整,键与键之间的距离、高低及每个键按下的力度要一致,手离键后应立即恢复原位,每个键均能正常发音,接触良好。键盘以采用导电橡胶触点的为好,采用簧片接触的质量差些。

3、功能键:不同型号的电子琴功能键虽不相同,但都要求使用方便,无接触不良或失灵现象。

4、音色和音质:对钢琴、风琴、长笛等各种传统乐器的音色模拟逼真,且音色优美。音质要纯净,没有杂音,演奏时旋律流畅,悦耳动听。若是立体声电子琴,其音色更佳。

5、节奏:各种节奏的拍子要正确,无时快时慢现象。

6、其他:检查每个电位器的工作是否正常,拨动电位器是否起到应有的作用。电子琴开机后不演奏时,扬声器的杂音要尽量小。电子琴外观表面要平整,各种印刷字符要清晰,附件应齐全。

电子琴功能

学习电子琴之前我们需要先了解电子琴的使用方法,可以参考电子琴说明书,先熟悉电子琴的面板功能,然后再系统学习电子琴。

电子琴分为键盘、音色旋钮、节奏旋钮、伴奏按键、附件与插孔这几部分。

电子琴键盘

小字组:小字组用小写字母来表示,如cde等。小字组是电子琴最中央的一组。

大字组:大字组用大写字母来标记,如CDE等。大字组是钢琴最左端的一个音组。

中央C:电子琴最中间的“do”就是中央C,就是最中间的白键 。

电子琴61键中央C的寻找:从左边第一个白键开始,数到第15个白键,就是中央C。

电子琴键盘上共有三个音区,分别是低音区、中音区、高音区。

从低到高依次为大字组、小字组、小字一组、小字二组、小字三组、小字四组、小字五组。每个完整音组有12个琴键,7个白键加5个黑键,每组音都是从do开始,si结束。

我们可以观察一下琴键的黑键,有两个凑在一起的,也有三个凑在一起的。其中,两两凑在一起的黑键左边紧挨的那个白键就是音名do(音名是一个音乐术语,是代表特定音高的名称,它们的音高是相对固定的。),其他音符以此向右类推,如图所示。

电子琴音色

1、电子琴总音量控制(MAIN V0LUME)旋钮,调节此旋钮,能够将所选的音色、节奏以及自动伴奏等音量大小进行控制。

2、音色选择(TONE SELECT)钮一般设有两个位置,颤动音,对于长笛、小提琴等管弦乐器特别适用,能增强其表现力。通过音色钮的选择可以切换不同的音色,有的电子琴音色变化有几十种之多。 3、持续音(SUSTAIN)钮又称余音钮。将此钮置于“开”的位置演奏钢琴或弹拨乐器等时,当手指离开琴键,仍发出袅袅余音。

电子琴节奏

1、节奏分音量(RHYTHM VOLUME)旋钮

调节此旋钮,可使节奏与主旋律之间的音量大小达到适当的比例。如果自动伴奏系统不设分音量旋钮时,自动伴奏系统的音量也由此钮控制。

2、节奏快慢(TEMPO)旋钮,又称(节拍)速度旋钮

用此钮可调节电子琴每分钟节奏拍数。

3、节奏选择(RHYTHM SELECT)钮

一般节奏选择钮可置于两个位置与分节奏钮相配合。

4、节奏开始/停止(START/STOP)钮

用此钮来控制节奏的开始与停止。

5、节奏同步(SYNCHRO)钮

当节奏与演奏同时开始时,可按下此钮做好准备,演奏时节奏自动加入。

6、插入节奏(FILL—IN)钮

按下此钮时可加强节奏强音,使其他节奏中断,加入本身的节奏。

电子琴伴奏

1、自动伴奏分音量(ACCOMP VOLUME)旋钮

使用此旋钮,可以使自动伴奏与主旋律及节奏之间音量大小达到适当比例。但大部分中、低档电子琴无此旋钮。

2、自动伴奏、和弦(CHORD)开关

此开关有三个位置,当开关置于“关”时,自动伴奏系统停止工作,转入正常状态。此时,伴奏类型开关、音程开关等不起作用。当开关置于“和弦与伴奏时”位置上,这时可以用左手按多个琴键,可获得和弦伴奏效果。当开关置于“单键自动伴奏”的位置时,只要用一个手指去按琴键,可以简单地演奏自动伴奏系统。

3、伴奏选择(ACCOMP SELECT)开关

调换此开关,可以选择多种伴奏类型。常用的有“和弦和贝司”、“急速变化和弦”等。

4、记忆(MEMORY)开关

设有“关”和“开”两个位置。关的时候,要按琴键才会发出伴奏音,手一离开琴键声音就停止。开的时候,只要用手按一下琴键,和弦和贝司就记忆下来了,当手离开琴键后仍然继续发音。

5、降低音程(OCTAVE DOWN)开关

这个装置也设开和关两档。当处于和弦位置时,键盘的l/3(低音部分)作和弦及自动伴奏使用,可使弹奏的音域变窄,在主旋律琴键数量减少的情况下,为了扩宽低音的音域,使用“降低音程开关”使音程下降一个八度音程。

附件与插孔

1、音量脚踏板 电子琴的音量与弹奏的轻重无关。使用此附件,并接到相应的插孔上,电子琴总音量旋钮就会自动断开。

2、输出(LINE OUT)插孔 此插孔可以与音响设备相连接,通过外接音箱放音,不但输出功率可以加大,而且音色会更优美。

3、耳机(PHONES)插孔 在弹奏电子琴时插入耳机插头后,扬声器会自动断开。

上面介绍大家认识了电子琴和电子琴的功能,如果感觉解释的不清楚,可以看看下面关于电子琴介绍的视频。

电子琴功能讲解:https://haokan.baidu.com/v?pd=wisenatural&vid=14625237290533331669

学习电子琴

电子琴手法

学习电子琴要了解电子琴手法,练习手法的前提是有一个良好的坐姿,然后架起一个优秀的手型,手掌拱起、指尖触键、手腕自然放松、手腕平整。手法练习建议从C大调的音阶练习,可以很慢,但是一定要弹准确,稳定,有力度地进行,提前准备换指,两手分开练习,练好了再合并。

身体姿势:

1、手的各部位要自然放松,切忌僵硬。

2、大臂(上臂)自然下垂,小臂与手腕手背呈水平线。

3 、手指自然弯曲,同手掌一起构成一个半圆型,呈空握球状。

4 、掌关节(通常叫第三关节)及所有手指关节都应凸起,应避免和纠正最易出现的手指第一关节和第三关节(指掌关节)塌陷呈凹状。

5、手指应自然分开,原则上刚好一个指头对准一个琴键。

6 、整只手(从整个前臂到手)应以水平位置正摆在琴健上,并应使手指摆正,与琴键排列平行,大指应放在琴键上面。

7、手指触键的基本位置应取在白键与黑键距离的约二分之一处。当触按黑键时,整只手应向黑键位置前挪,黑键应弹在键前端位置。

8、要求指尖落在琴键上,不能用指肚;手腕不要摇晃,除非是练“落滚”;手不能趴在琴上。

指法,1代表拇指、2代表食指、3代表中指、4代表无名指、 5代表小指。

C、D、E、F、G、A、B七个键分别用1号指、2号指、3号指、1号指、2号指。

A、B是用3号指、4号指。

单纯看图和文字不太好理解电子琴的指法,大家可以看看相关的视频教程:

电子琴基本指法https://www.bilibili.com/video/BV1Hq4y127um/?spm_id_from=333.337.search-card.all.click

电子琴音调

学习电子琴需要先学习音调,一般从C大调开始学,因为最简单,音阶所弹奏的每个音都在白键上。每个调所标指法都是弹奏该调的自然音阶,初学者只要按照正确姿势和指法,弹起来一点也不难。其余的调,虽然有音在黑键上,黑白交错,但也没什么大的难点。

熟悉大小调

24大小调也就是调性(Tonality)。调性(Tonality)是调的主音和调式类别的总称,例如,以C为主音的大调式,其调性即是“C大调”,以a为主音的小调式,其调性就是“a小调”等。以此类推,一般音乐中主要有24个调性。

最笨的方法--数手指 (大调)

使用这种方法的前提是:必须熟练掌握音名C、D、E、F、G、A、B的顺序。

具体方法:

1、升号调:在四个手指头上数音名。

伸出左手四个手指,手心向自己。

然后从食指、中指、无名指、小指的顺序数音名:C(食指)、D(中指)、E(无名指)、F(小指),数到G,又回到了食指。

这时记住:“数了一圈,一个升记号,G调。”

然后接着数:A(中指)、B(无名指)C(小指)、数到D又回到了食指。

于是记住:“数了两圈,两个升记号,D调。”

就这样,在四个手指上反复数音名:C、D、E、F、G、A、B、C、D、E、F……从食指开始数,再数到食指算一圈,数几圈就3是几个升记号,数到食指上是什么音名,就是什么调。

2、降号调:在三个手指头上数音名

伸出左手三个手指,手心向自己。

然后从食指、中指、无名指的顺序数音名:C(食指)、D(中指)、E(无名指),数到F,又回到了食指,“

数了一圈,一个降记号,F大调”

然后接着数:G(中指)、A(无名指),数到B,又回到食指了。“

数了两圈,两个降记号,降5B大调。”

如此在三个手指上数音名,从食指开始数,再数到食指算一圈,数了几圈就是几个降记号,食指上的音名是什么,就是降什么调。

这种方法操作简便,上手很快,但也不是很高效,数手指的时候比较傻,而且一般很容易忘记已经数过几圈了,所以不推荐使用,只是作为"五度循环"原理的实践可以玩玩。

升降音

调号中的升降与大调音阶密切相关,首先需要知道的是大调音阶的公式:全全半全全全半。

这个音阶是从C开始的,所以叫做C大调音阶。

全,是指两个相邻的音之间是全音关系。半,是指两个相邻的音之间是半音关系。

半指的是半音,也就是一个小二度。也就是一个自然大调音阶,相邻两音之间的关系。

升号(记号#)记号表示标有这个记号的音,(基本音阶)升高半音。

降号(记号B)记号表示标有这个记号的音,(基本音阶)降低半音。

大调音阶指法

C大调音阶: C D E F G A B C

G大调音阶: G A B C D E F# G

D大调音阶: D E F# G A B C# D

A大调音阶: A B C# D E F# G# A

E大调音阶: E F# G# A B C# D# E

B大调音阶: B C# D# E F# G# A# B

F#大调音阶: F# G# A# B C# D# E# F#

F大调音阶: F G A Bb C D E F

Bb大调音阶: Bb C D Eb F G A Bb

Eb大调音阶: Eb F G Ab Bb C D Eb

Ab大调音阶: Ab Bb C Db Eb F G Ab

Db大调音阶: Db Eb F Gb Ab Bb C Db

电子琴的音调、音阶教程:https://tv.sohu.com/v/dXMvMzM1OTQxOTM0LzIxMDM5ODQ0Ni5zaHRtbA==.html?key=/v/dXMvMzM1OTQxOTM0LzIxMDM5ODQ0Ni5zaHRtbA==.html&vid=210398446

电子琴简谱

初学简谱的时候选择C大调,C大调音阶只涉及白键,是最简单的音阶。

具体构成是:do re mi fa so la si do si la so fa mi re do。

简谱即为:1 2 3 4 5 6 7 1 7 6 5 4 3 2 1。

刚开始弹琴的时候可以先单音节试音,然后跟着简谱慢慢练习,可以选择比较简单的入门简谱,方便我们学习。

简谱的看法

1、电子琴简谱应该首先要看调子,然后再翻译成C大调。

2、音符数字1就是do,2就是ruai,3就是mi,以此类推。

3、节拍是衡量节奏的单位,在音乐中,有一定强弱分别的一系列拍子在每隔一定时间重复出现。如 2 / 4(四二拍) 、 4 / 4(四四拍) 、 3 / 4(四三拍) 拍等。

单独一个音符不带任何其他符号的弹一拍,两个音符在一起下边有一条线的话,那么这两个音符弹一拍,一个就是半拍,四个音符在一起下边有两条线的话,那么这四个音符弹一拍,一个就是四分之一拍。

如果音符右边带一个点叫做附点,表示后边还有一个音,并且这两个音下边有一条线,那么带点的音弹四分之三拍,后边的音弹四分之一拍;如果音符右侧有一个点,下边没有线的话那就弹一拍半,它后边的音弹半拍。

数字后面的横线一条代表这此音延长一拍,下面的横线一条表示此音在一拍的基础上缩小1/2拍。

数字上面的弧线,那个是表示连音,即在弧线下方的所有音符都要连起来弹,不可以断开。

以四四拍为例子:

“44拍”通常用4/4表示,4/4通常被叫做“拍号”,其主要意思为:以4分音符为1拍,每小节4拍。

在音乐中,4/4用来表示不同拍子的记号就叫“拍号”。拍号用分数的形式来表示,其中分母代表以几分音符为一个单位拍(即单位拍的基本时值),分子则表示出每个小节之中有几个单位拍。在五线谱中分数线用第三线来代替,不用另外划线。

拍号的读法是先读分母,后读分子,分数线不必读出。拍号只在乐曲开始的第一小节标记一次,记写在调号的后面,之后的每行谱子不再标记。但如果在乐曲中间需要变换拍子,则需要在所变换拍子的那一小节写出新的拍号,直到再次变换拍子。

4、空拍是指休止符。一般用以记录不同长短音的间断时值的符号叫做休止符。音值的基本相互关系:每个较大的音值和它最近的较小的音值的比例是2与1之比。休止符的使用,可制造出音乐乐句中不同的情绪表达。休止符的命名主要依停顿时间长短来命名,可分为倍全休止符、全休止符、二分休止符、四分休止符、八分休止符、十六分休止符、三十二分休止符、六十四分休止符。 休止符也可以加上附点,来调整音乐停顿的长度,命名为原休止符名,前面加上“附点”两字,例如附点二分休止符。

简谱的空拍用休止符“0”表示,以四分音符为一拍的空半拍则是用八分休止符表示,在0下面加一横。以八分音符为一拍的,空半拍则用十六分休止符来表示,在0下面加两横。

5、音高:音符上边带一个点是高音,两个点就再往上高一组,下边带一个点是低音,带两个就在往下一组。

7、每一条竖线就表示一小节。

对节拍还不太懂的朋友可以看看视频教程。

电子琴常见的打节拍的方式教程:https://haokan.baidu.com/v?pd=wisenatural&vid=750794551816404449

入门简谱推荐

1、《生日快乐》

《祝你生日快乐》(Happy Birthday to You)常简称《生日快乐》或《生日歌》,是一首用来庆祝生日的流行歌曲。根据《吉尼斯世界纪录》,《祝你生日快乐》是英语中三首最流行的歌曲之一。

2、《我爱北京天安门》

《我爱北京天安门》(I Love Beijing Tiananmen)是一首颂赞毛主席的歌曲。创作于1970年,于1971年正式在中央人民广播电台首播。

3、《采蘑菇的小姑娘》

《采蘑菇的小姑娘》这首歌写于1982年,首唱是歌唱家朱逢博,后经靳小才演唱后受到人们的欢迎,是一首经典的中国儿童歌曲。

电子琴练习

练习单音

可以单个手指练习单音节,慢慢熟悉电子琴按键和音阶,先练断奏,后练连奏。

五指原位练习

五指原位练习,先慢后快,要求按节奏的速度弹奏。

1、2、3、4、5、6、7分别对应的是右手的拇指,食指,中指,拇指,食指,中指,无名指。

下一个高音手指用拇指弹。左手的话分别对应小手指,无名指,中指,食指,拇指,中指,食指。

右手手指从下面穿过去,左手的从上面跨过。

例如:

C大调音阶,在一个八度范围练习,右手上行可用3-5指法,既1、2、3、1、2、3、4、5指,下行则用5-3指法,既5、4、3、2、1、3、2、1指。左手上行可用5-3指法,既5、4、3、2、1、3、2、1指。而下行则可用3-5指法,既1、2、3、1、2、3、4、5指。

C大调音阶练习超过一个八度,则右手上行可用3-4指法,既1、2、3、1、2、3、4、1、2、3、1、2、3、4指(对于上行最后一个音需要用5指),下行则用4-3指法,既.4、3、2、1、3、2、1、4、3、2、1、3、2、1指。

同样左手上行仍可用4-3指法,既4、3、2、1、3、2、1、4、3、2、1指(对于上行第一个音需要用5指)。左手下行则可用3-4指法,既1、2、3、1、2、3、4、1、2、3、1、2、3、4指。

按键方法

1、右手:当你正常弹到mi时,大拇指跳到fa的位置,其他接着弹下去,折回;拇指弹到fa时,中指跳到mi的位置,接着弹。

2、左手:正常弹到suo时,中指跳到la的位置,接着弹完。折回弹:中指弹到la时,拇指跳到suo的位置接着弹完 。

3、弹电子琴手指的力度要稍轻,不宜采用演奏钢琴的力度重触键。因为演奏者演奏一般电子琴,触键力度的大小并不影响音量。手指过于放松、甚至轻飘飘也是不正确的,因为这样有时会由于按键过浅,没有拨通电子振荡器电路而无音,用手的自然重量比较合适。

初学弹奏方法

第一、弹奏电子琴不要一开始就打开自动节奏、自动和弦弹奏练习曲和乐曲,尤其是缺乏任何乐理基础,或不懂一件乐器的情况下。

第二、弹奏电子琴时,不要踩踏板,初学阶段双手配合还不适应,就更别提手脚协调,尽管这比钢琴简单得多。

第三、弹奏电子琴时,多数练习曲最好都采用默认的钢琴音色,而不要滥用小提琴、长笛、单簧管等其他持续性久的音色,因为这完全会影响弹奏电子琴良好效果的发挥。

第四、如果想把电子琴学得更为全面而圆满的话,左手在手动和弦的基础上,应掌握多指自动和弦,而不必学什么单指和弦。

第五、在学习或者弹奏电子琴时,千万不要杜撰指法,特别像那种把一个手指从一个音远距离地猛跳到另一个音,如果养成这样的淮西怪,那将会十分可怕。一个好习惯的养成需要很久的时间,而一个坏习惯随便几分钟就可以形成,改掉这个坏习惯却要很久,所以在练琴的时候,一定要看清楚指法再练习,哪怕前期我们要花费很久的时间也不要随心所欲乱杜撰指法。

学习方法

教材推荐

没有学过乐理知识,想要自学电子琴,就需要购买一些教材,然后跟着教材系统的学习电子琴。

《电子琴初级教程》这本教材内容比较丰富,上面这页是它的五页目录之一,最前面也有电子琴基础知识介绍。课程规划比较系统,如果有耐心自学,这本适合成人业余学习电子琴。

《从零起步学电子琴》这本书适合初学的同学学习,书本内容比较注重对不同弹琴指法的练习。如果你的手指弹琴时不是特别灵活,建议买这本书来练一下不同的指法。

这本书内容比较丰富,曲子比较多,可以适当跳跃学习。

课程推荐

刚开始学习电子琴的时候可以多看些视频资源,或者可以与许多电子琴爱好者交流,不懂时还可以提出问题,这样总比自己一个人探索有用得多。

下面是一些电子琴的视频教程,大家可以参考下。

1、电子琴新手教学https://www.bilibili.com/video/BV1KE41157m9/?zw

2、电子琴入门https://www.bilibili.com/video/BV1Ct4y1v7Ac/?zw

如何选择老师

学习电子琴如果有老师的指导会简单很多,而且遇到难题也可以随时请教老师,那么我们应该怎么选择老师呢?

选择老师需要注意以下几点:

1、口碑;

大家选择老师的时候还是要注重口碑的,如果身边有周围的朋友在学习电子琴,我们不妨参考一下朋友的意见,老师的口碑如果好了,一般教学质量都挺不错的。

2、要去试听课;

电子琴课都是可以提前试听的,我们可以参加基础的试听课程,如果你认为老师讲的可以很轻易的听得懂,而且讲的有非常详细,老师人也比较好,那么就可以考虑选择这个老师。

3、学历;

老师的学历也是比较重要的,我们在选择老师的时候我可以咨询一下老师是哪里毕业的,如果老师是正规的音乐学校毕业的,那么他学习的知识会更加系统,在教我们的时候条理会特别清楚。

4、专业性。

学习电子琴还是非常需要老师的专业性的,老师水平比较高,比较专业,那么我们的学习质量也会更加的高。

日常使用方法

开机

第一、将电源适配器连接到电子琴电源接口。

第二、将接好电子琴的电源适配器插入电源插座上。

第三、开启电子琴电源开关。

第四、将主音量开关调整所需音量大小即可。

关机

第一、将主音量开关调整到最小位置。

第二、关闭电子琴电源开关。

第三、从插座上拔下电源适配器即可。

日常保养

第一、清洁电子琴时,请务必使用干燥柔软的布擦拭琴键,不要使用油漆稀料、有机溶剂、清洁剂或化学浸渍擦拭布擦拭电子琴及其琴键。在练琴前,请应按照正确的开机方法开启电子琴。

第二、在平时练琴的时候,不要把饮料、橡胶制品、塑料等放在电子琴上面,否则会造成电子琴短路或琴键、面板的褪色等问题。

第三、练琴结束后,应按照关机的方法关闭电子琴,并将琴罩盖在琴上。电子琴上不要放置重物,并且在操作开关按键及插拔电源线时,不要用力过猛。

第四、将电子琴安装在雅马哈指定的琴架上,一定要使用附带的螺栓,以防止损坏电子琴内的部件或导致电子琴从琴架上坠落。 不要将电子琴放置于尘土过多或震动的地方,或过冷过热处,以免面板褪色或内部元部件损坏。

第五、不要将电子琴放置于电视、收音机或立体声音响、手机等电器设备附近,以免上述设备产生干扰噪音。

%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"学习电子琴需要知道基本的乐理知识,会看简单的乐谱、熟悉电子琴构造、学会电子琴弹奏手法,然后再勤加练习,就能学会电子琴。","id":""}],"text":"","id":"E6MOdyoA0oWWc6xQtVacIxymnEf"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"认识电子琴","id":""}],"text":"","id":"ZCkodC6EyoUg0OxH0Txci8pZnL9"},{"type":"paragraph","children":[{"type":"text","text":"电子琴是一种电子","id":""},{"type":"text","text":"键盘乐器","id":""},{"type":"text","text":",属于","id":""},{"type":"text","text":"电子音乐合成器","id":""},{"type":"text","text":"。","id":""}],"text":"","id":"IUkKdw8OIoy24Sxu2UxcliQxnoe"},{"type":"paragraph","children":[{"type":"text","text":"电子琴以其音色优美、节奏丰富、功能众多和演奏方便等特点,快步进入了家庭,登上了艺术舞台并深受音乐爱好者的青睐。","id":""}],"text":"","id":"UYIgd8K4goOA6QxQVhicBF0tntf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"电子琴种类","id":""}],"text":"","id":"BSgUd8qSeoIMKsxkVTdcEEOEnrf"},{"type":"paragraph","children":[{"type":"text","text":"电子琴种类繁多,按功能和用途大体上可分为以下四大类:玩具型电子琴、教学型电子琴、家庭型电子琴、舞台演奏型电子琴。","id":""}],"text":"","id":"J8SMdgYgwoGS20xIVtQcuZY1nFf"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"玩具型电子琴","id":""}],"text":"","id":"PQQudUGqyoecuyxMFjWcacQtn5b"},{"type":"paragraph","children":[{"type":"text","text":"玩具型电子琴的外观结构一般为袖珍式或便携式,采用小型键盘。体积小、重量轻、便于携带、音域较窄、模拟音色较少、价格低廉。","id":""}],"text":"","id":"B0eCdw8EmoQwmkxLuoocKSPXnin"},{"type":"paragraph","children":[{"type":"text","text":"主要供少年儿童娱乐或培养他们的音乐兴趣,也可用于成人的一般娱乐。国外生产的高档玩具电子琴,有的带有随机存储功能,可把弹奏的乐曲记忆下来,并加以重放,有的还带有简单的自动伴奏功能。","id":""}],"text":"","id":"RyO2dMm4ioca8GxqUNmcsuUBnJc"},{"type":"paragraph","children":[{"type":"text","text":"学习电子琴的时候,如果只是为了培养孩子兴趣,或者是当做玩乐工具多一点,那么就可以购买这种电子琴,这种电子琴比较便宜,而且容易携带。","id":""}],"text":"","id":"Uc8sd0iG8oqUwcx4125cQH1ZnLh"},{"type":"image","attrs":{"height":465,"note":[{"type":"text","text":"玩具型电子琴","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/e36b57723f8549db9e51f4115067327d","width":671},"text":"","id":"ZSMUdOGmuooKYYxOjppcYFbonFC"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"教学型电子琴","id":""}],"text":"","id":"Pugadkyg4oSWCcxkB7YcJigtnRd"},{"type":"paragraph","children":[{"type":"text","text":"教学型电子琴采用中型键盘或标准键盘,主要用于音乐教学,培养学生对键盘的控制能力,对和弦等音乐知识的掌握以及音乐课伴奏等。其结构和功能也有多种,对中、小学生音乐教学,可采用中低档的便携式或落地式电子琴。专业音乐教学,则可以使用中高档落地式电子琴,也可以使用专门设计的带有中心控制台的电子琴群,教师可以通过中心控制台监听或检查学生的练习情况。","id":""}],"text":"","id":"RC4Ad86GMoYCw2xgx8Bcfo7Fn7f"},{"type":"paragraph","children":[{"type":"text","text":"教学型电子琴一般是学校或者培训班采购的比较多,老师用这种电子琴教授学生上课。","id":""}],"text":"","id":"SoQKd8wWso66ioxuUa4cHXRvnZo"},{"type":"image","attrs":{"height":520,"note":[{"type":"text","text":"教学型电子琴","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/f6d76c2e83bd4f859cc656c4669cd60b","width":752},"text":"","id":"Y20QdIsYkoaMaixWAbrc9GRynQe"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"家庭型电子琴","id":""}],"text":"","id":"UUIOdOG0Yo2kG8x8LjtcWlYqn43"},{"type":"paragraph","children":[{"type":"text","text":"家庭型电子琴主要特点是造型轻巧,色调雅致,适合室内摆设,结构可分为便携式或落地式。具有一层或两层标准键盘,模拟音色为几个至十几个。一般都带有自动伴奏系统,机内装有放大器和扬声器,输出功率为20~60W。这类电子琴也可用于小型乐队伴奏。","id":""}],"text":"","id":"X2qIdWwuQoiKE6xKoIKcLa6UnIe"},{"type":"image","attrs":{"height":431,"note":[{"type":"text","text":"家庭型电子琴","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/baf2819cd9bb48ffb612f77231fbdc59","width":529},"text":"","id":"R2E0dIEaiowqACxwGiRcflUsn6m"},{"type":"paragraph","children":[{"type":"text","text":"家庭型电子琴比较适合在加练习使用,如果我们只是把电子琴当做爱好,又想学习的稍微专业一点,那么就可以购买这种类型的电子琴。","id":""}],"text":"","id":"E0MQdcAMSoQcowxJsB8cb3fhnm1"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"舞台演奏型","id":""}],"text":"","id":"RoQgdA6MgooOYmx2FMrc2hWlnde"},{"type":"paragraph","children":[{"type":"text","text":"舞台演奏型电子琴采用大型落地式结构,由手键盘、足键盘、壳体及音箱组成。主要供专业演奏人员用来独奏或伴奏,可达到一个交响乐队的演奏效果。它一般有三套键盘,上层键盘演奏主旋律,下层键盘演奏和声,足键盘演奏低音部分。这类电子琴音色纯美,声音细腻,模拟逼真,变化丰富。模拟音色一般在20种以上,音域一般超过四个八度,输出功率比较大,有的还具有独立的扩大系统或扬声器组。","id":""}],"text":"","id":"T0yGdwsueoMSOyxi6C7caFo4njb"},{"type":"image","attrs":{"height":730,"note":[{"type":"text","text":"舞台演奏型","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/5e80b8ab10e841bea4a4c77a848e7291","width":927},"text":"","id":"MQYadUu2oouCC8xy8cjc4ELLntf"},{"type":"paragraph","children":[{"type":"text","text":"越是高级的电子琴具有的功能越多,音色越丰富,它能逼真地模拟钢琴、竖琴、风琴、手风琴、电颤琴、管风琴、木琴、小提琴、大提琴、吉他、电吉他、夏威夷吉他、曼陀林、单簧管、双簧管、萨克管、长笛、短笛、大号、小号、长号、圆号、沙锤、钟声等多种乐器的优美音色。瞬时,还能自动伴奏华尔兹、迪斯科、波尔卡、探戈、伦巴、桑巴、进行曲、摇摆舞、西印度土风舞等不同风格的乐曲节奏。此外,还具有颤音、延迟颤音、持续音、混响的立体声效果。","id":""}],"text":"","id":"CW88da4oCoI8k0xsrEmcw99Nncc"},{"type":"paragraph","children":[{"type":"text","text":"这种类型的电子琴一般适合用于大型表演,所以需要的功能会比较多,可以演奏出复杂的音色,如果有表演的适合可以选购这种电子琴。","id":""}],"text":"","id":"McQQd0WGwoq6KYxANZPclEranDh"},{"type":"paragraph","children":[{"type":"text","text":"选择电子琴的适合除了需要选择到适合的电子琴,还需要注意以下几点。","id":""}],"text":"","id":"OiI4dUmquoyIeqxyUvxcpgAnnQe"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"如何选购电子琴","id":""}],"text":"","id":"CMcGdKcW4oOus0xIz5XcpxFLnKb"},{"type":"paragraph","children":[{"type":"text","text":"1、音准:包括音准度和音准稳定性。采用中、大规模集成电路的电子琴音准较为稳定,受季节影响小。","id":""}],"text":"","id":"IasQdUAmcooSEqxqyCRc2y3ynod"},{"type":"paragraph","children":[{"type":"text","text":"2、键盘:琴键数通常有29键、37键、44键、49键、61键等。键数越多,演奏范围越宽。成人最好选用标准键盘;儿童由于手小,也可选用手风琴键盘(又称小型键盘)或微型键盘。琴键的手感要好,要光洁、平整,键与键之间的距离、高低及每个键按下的力度要一致,手离键后应立即恢复原位,每个键均能正常发音,接触良好。键盘以采用导电橡胶触点的为好,采用簧片接触的质量差些。","id":""}],"text":"","id":"AsKUdaGwEoWseAx29tFc0xmWnAe"},{"type":"paragraph","children":[{"type":"text","text":"3、功能键:不同型号的电子琴功能键虽不相同,但都要求使用方便,无接触不良或失灵现象。","id":""}],"text":"","id":"DmEqdWwskoQ8mmxcVFVcODMonNe"},{"type":"paragraph","children":[{"type":"text","text":"4、音色和音质:对钢琴、风琴、长笛等各种传统乐器的音色模拟逼真,且音色优美。音质要纯净,没有杂音,演奏时旋律流畅,悦耳动听。若是立体声电子琴,其音色更佳。","id":""}],"text":"","id":"YOcydcIauoKgewxUXyscnY3onib"},{"type":"paragraph","children":[{"type":"text","text":"5、节奏:各种节奏的拍子要正确,无时快时慢现象。","id":""}],"text":"","id":"WQWyd0CKgogK4SxaCKEcLxUbnoe"},{"type":"paragraph","children":[{"type":"text","text":"6、其他:检查每个电位器的工作是否正常,拨动电位器是否起到应有的作用。电子琴开机后不演奏时,扬声器的杂音要尽量小。电子琴外观表面要平整,各种印刷字符要清晰,附件应齐全。","id":""}],"text":"","id":"Ngm4dqa8Coqes4xIjnhcXqhenUY"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"电子琴功能","id":""}],"text":"","id":"Zc8ydoKKCooKg4xplXEcV35VnvE"},{"type":"paragraph","children":[{"type":"text","text":"学习电子琴之前我们需要先了解电子琴的使用方法,可以参考电子琴说明书,先熟悉电子琴的面板功能,然后再系统学习电子琴。","id":""}],"text":"","id":"KYo2dyQCcoGQGux85p7c2K7bnig"},{"type":"paragraph","children":[{"type":"text","text":"电子琴分为键盘、音色旋钮、节奏旋钮、伴奏按键、附件与插孔这几部分。","id":""}],"text":"","id":"FmGgdowCGocyMaxGaGwctzQxnud"},{"type":"image","attrs":{"height":476,"note":[{"type":"text","text":"电子琴功能","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/a924715d28e6411ab36fca0ab46efe32","width":606},"text":"","id":"VIIOd4aSsoYewkxWEPQcmFgZnxd"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"电子琴键盘","id":""}],"text":"","id":"YqgEdKkWUouGQgx0YjOc3QaZn0b"},{"type":"image","attrs":{"height":422,"note":[{"type":"text","text":"电子琴键盘","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/1b30871195a74b0f819d4fa32b9b5c72","width":1065},"text":"","id":"TyOAdmAA8oGMsmxgErzc3Q5mnrK"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"KqCIdm8EiogAOWxqE9Oc1S5anme"},{"type":"image","attrs":{"height":544,"note":[{"type":"text","text":"电子琴键盘","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/90ea8ea3267749f68504e47bd8f0bcf2","width":1126},"text":"","id":"GOmudAgyOoWceOxCQyvcJbwgnlh"},{"type":"paragraph","children":[{"type":"text","text":"小字组:小字组用小写字母来表示,如cde等。小字组是电子琴最中央的一组。","id":""}],"text":"","id":"TskMd8KcAoyMwOxwRkvcdZZsnyg"},{"type":"paragraph","children":[{"type":"text","text":"大字组:大字组用大写字母来标记,如CDE等。大字组是钢琴最左端的一个音组。","id":""}],"text":"","id":"N4c6dis2CoEuQoxQN5fcLiTVn2b"},{"type":"paragraph","children":[{"type":"text","text":"中央C:电子琴最中间的“do”就是中央C,就是最中间的白键 。","id":""}],"text":"","id":"JWG6dCAY2omkKaxycfpcn1CrnEK"},{"type":"paragraph","children":[{"type":"text","text":"电子琴61键中央C的寻找:从左边第一个白键开始,数到第15个白键,就是中央C。","id":""}],"text":"","id":"ZEoCdQ806oyaOyxegq1c8cOEnDf"},{"type":"paragraph","children":[{"type":"text","text":"电子琴键盘上共有三个音区,分别是低音区、中音区、高音区。","id":""}],"text":"","id":"Usq0dMQSaogkwkxgBiGcRuB2n5g"},{"type":"paragraph","children":[{"type":"text","text":"从低到高依次为大字组、小字组、小字一组、小字二组、小字三组、小字四组、小字五组。每个完整音组有12个琴键,7个白键加5个黑键,每组音都是从do开始,si结束。","id":""}],"text":"","id":"QwSOdqYUkokoS4xDAxScrqfhnj9"},{"type":"paragraph","children":[{"type":"text","text":"我们可以观察一下琴键的黑键,有两个凑在一起的,也有三个凑在一起的。","id":""},{"type":"text","text":"其中,两两凑在一起的黑键左边紧挨的那个白键就是音名","id":""},{"type":"text","text":"do(音名是一个音乐术语,是代表特定音高的名称,它们的音高是相对固定的。)","id":""},{"type":"text","text":",其他音符以此向右类推,如图所示。","id":""}],"text":"","id":"Uq2wdcSGwoyw2wxIFfMc8bZBnJe"},{"type":"image","attrs":{"height":381,"note":[{"type":"text","text":"电子琴键盘","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/6dec0443481c469f953286e0a4662ac6","width":525},"text":"","id":"Hg0edAW6sog84IxMJOGc7exUnEg"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"电子琴音色","id":""}],"text":"","id":"NiWIdu8KQoIqmEx2jduc4nFKnFc"},{"type":"paragraph","children":[{"type":"text","text":"1、电子琴总音量控制(MAIN V0LUME)旋钮,","id":""},{"type":"text","text":"调节此旋钮,能够将所选的音色、节奏以及自动伴奏等音量大小进行控制。","id":""}],"text":"","id":"EMOidYcYyoUSMexIZpBc0brqngd"},{"type":"paragraph","children":[{"type":"text","text":"2、音色选择(TONE SELECT)钮一般设有两个位置,颤动音,对于长笛、小提琴等管弦乐器特别适用,能增强其表现力。通过音色钮的选择可以切换不同的音色,有的电子琴音色变化有几十种之多。 3、持续音(SUSTAIN)钮又称余音钮。将此钮置于“开”的位置演奏钢琴或弹拨乐器等时,当手指离开琴键,仍发出袅袅余音。","id":""}],"text":"","id":"YKESdi6ycoIqs4x6VFXcXonJnvd"},{"type":"image","attrs":{"height":442,"note":[{"type":"text","text":"电子琴音色","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/6ac623b1d0414a03825e34419d2c5b6c","width":742},"text":"","id":"Ac8qdECcYoki6Ixvc2bcNwGRncw"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"电子琴节奏","id":""}],"text":"","id":"UU2YdcYUKoKycSxQXyxcACKWn9g"},{"type":"paragraph","children":[{"type":"text","text":"1、节奏分音量(RHYTHM VOLUME)旋钮","id":""}],"text":"","id":"Q8EGdswiUoKe6uxuAkJcy9shnOh"},{"type":"paragraph","children":[{"type":"text","text":"调节此旋钮,可使节奏与主旋律之间的音量大小达到适当的比例。如果自动伴奏系统不设分音量旋钮时,自动伴奏系统的音量也由此钮控制。","id":""}],"text":"","id":"YUQQdOMqooGkAexOpaAchmCJnku"},{"type":"paragraph","children":[{"type":"text","text":"2、节奏快慢(TEMPO)旋钮,又称(节拍)速度旋钮","id":""}],"text":"","id":"RqeOdQa2uoaSMyxArAGc3SIRnod"},{"type":"paragraph","children":[{"type":"text","text":"用此钮可调节电子琴每分钟节奏拍数。","id":""}],"text":"","id":"XAIMd0mIqou4uIxauOncAKyynJg"},{"type":"paragraph","children":[{"type":"text","text":"3、节奏选择(RHYTHM SELECT)钮","id":""}],"text":"","id":"WmEqdckwCo2g8yx2rUScqzEJneb"},{"type":"paragraph","children":[{"type":"text","text":"一般节奏选择钮可置于两个位置与分节奏钮相配合。","id":""}],"text":"","id":"YIOwdWIgioQUcIxWjbKc5Frankb"},{"type":"paragraph","children":[{"type":"text","text":"4、节奏开始/停止(START/STOP)钮","id":""}],"text":"","id":"AGmSd2yMwoUK84xHoiBcp2lAnIz"},{"type":"paragraph","children":[{"type":"text","text":"用此钮来控制节奏的开始与停止。","id":""}],"text":"","id":"UqUedsCwsoseaex2Tzwc3iIXnKf"},{"type":"paragraph","children":[{"type":"text","text":"5、节奏同步(SYNCHRO)钮","id":""}],"text":"","id":"A6OyduwYyokyWexYz4CcMdaSncd"},{"type":"paragraph","children":[{"type":"text","text":"当节奏与演奏同时开始时,可按下此钮做好准备,演奏时节奏自动加入。","id":""}],"text":"","id":"IKMQdckc6oUSEqxElGRcQY5pnrg"},{"type":"paragraph","children":[{"type":"text","text":"6、插入节奏(FILL—IN)钮","id":""}],"text":"","id":"WMaQdieIQo4qoWxqSuycLk3znyc"},{"type":"paragraph","children":[{"type":"text","text":"按下此钮时可加强节奏强音,使其他节奏中断,加入本身的节奏。","id":""}],"text":"","id":"UQQUdiQyEouA42xQJXIcOxAWn0d"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"电子琴伴奏","id":""}],"text":"","id":"N8mUd4iMSogieSxqiitcDwvQnzc"},{"type":"paragraph","children":[{"type":"text","text":"1、自动伴奏分音量(ACCOMP VOLUME)旋钮","id":""}],"text":"","id":"SmQedW4eqom6sKxQXsGcA7PFnhf"},{"type":"paragraph","children":[{"type":"text","text":"使用此旋钮,可以使自动伴奏与主旋律及节奏之间音量大小达到适当比例。但大部分中、低档电子琴无此旋钮。","id":""}],"text":"","id":"MeOWdmUcgoUQOwx4lLlcrkNSnCf"},{"type":"paragraph","children":[{"type":"text","text":"2、自动伴奏、和弦(CHORD)开关","id":""}],"text":"","id":"Umyedewiao2ui8xOQb1cDJxinKf"},{"type":"paragraph","children":[{"type":"text","text":"此开关有三个位置,当开关置于“关”时,自动伴奏系统停止工作,转入正常状态。此时,伴奏类型开关、音程开关等不起作用。当开关置于“和弦与伴奏时”位置上,这时可以用左手按多个琴键,可获得和弦伴奏效果。当开关置于“单键自动伴奏”的位置时,只要用一个手指去按琴键,可以简单地演奏自动伴奏系统。","id":""}],"text":"","id":"QgiQdkUMqoooaKxS416cddpwnSc"},{"type":"paragraph","children":[{"type":"text","text":"3、伴奏选择(ACCOMP SELECT)开关","id":""}],"text":"","id":"Buocds8CkoAO8IxGGIFc2hbmnhf"},{"type":"paragraph","children":[{"type":"text","text":"调换此开关,可以选择多种伴奏类型。常用的有“和弦和贝司”、“急速变化和弦”等。","id":""}],"text":"","id":"Qq6ydwawOoA8aixWc5fcqnzpnpe"},{"type":"paragraph","children":[{"type":"text","text":"4、记忆(MEMORY)开关","id":""}],"text":"","id":"I02cdYyOIoYGCKxlOKMcdaTfnbW"},{"type":"paragraph","children":[{"type":"text","text":"设有“关”和“开”两个位置。关的时候,要按琴键才会发出伴奏音,手一离开琴键声音就停止。开的时候,只要用手按一下琴键,和弦和贝司就记忆下来了,当手离开琴键后仍然继续发音。","id":""}],"text":"","id":"IOSWdqC4uoyaw6xCkcqc5D7UnZd"},{"type":"paragraph","children":[{"type":"text","text":"5、降低音程(OCTAVE DOWN)开关","id":""}],"text":"","id":"PmY6dmccioCGOYxUnxScjzy5nNg"},{"type":"paragraph","children":[{"type":"text","text":"这个装置也设开和关两档。当处于和弦位置时,键盘的l/3(低音部分)作和弦及自动伴奏使用,可使弹奏的音域变窄,在主旋律琴键数量减少的情况下,为了扩宽低音的音域,使用“降低音程开关”使音程下降一个八度音程。","id":""}],"text":"","id":"KOGydGiKAoEkmyxEn0JcV5N9nEc"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"附件与插孔","id":""}],"text":"","id":"IEEgdCYqSowWQGxkrUqcRI3rndd"},{"type":"image","attrs":{"height":507,"note":[{"type":"text","text":"附件与插孔","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/649417637b7547b0883ec270b9ffa73c","width":770},"text":"","id":"TqaWdiEcAo6esyxMjHFcL96pnUf"},{"type":"paragraph","children":[{"type":"text","text":"1、音量脚踏板 电子琴的音量与弹奏的轻重无关。使用此附件,并接到相应的插孔上,电子琴总音量旋钮就会自动断开。","id":""}],"text":"","id":"DSWAdeimAo8iY4xn8UqcNMSbnN4"},{"type":"paragraph","children":[{"type":"text","text":"2、输出(LINE OUT)插孔 此插孔可以与音响设备相连接,通过外接音箱放音,不但输出功率可以加大,而且音色会更优美。","id":""}],"text":"","id":"MQ2EdCmUMoG4W0xS6w8cTxRMnpg"},{"type":"paragraph","children":[{"type":"text","text":"3、耳机(PHONES)插孔 在弹奏电子琴时插入耳机插头后,扬声器会自动断开。","id":""}],"text":"","id":"D6IUdYmmuoueYmx8jBhcYWPGnVh"},{"type":"paragraph","children":[{"type":"text","text":"上面介绍大家认识了电子琴和电子琴的功能,如果感觉解释的不清楚,可以看看下面关于电子琴介绍的视频。","id":""}],"text":"","id":"SSOSdIUAMoiOUIxqgbtciwyNnFf"},{"type":"paragraph","children":[{"type":"text","text":"电子琴功能讲解:","id":""},{"type":"external_link","attrs":{"url":"https://haokan.baidu.com/v?pd=wisenatural\u0026vid=14625237290533331669"},"children":[{"type":"text","text":"https://haokan.baidu.com/v?pd=wisenatural\u0026vid=14625237290533331669","id":""}],"text":"","id":""}],"text":"","id":"HewudOMmkocq0mx0YgtctWvxnXf"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"学习电子琴","id":""}],"text":"","id":"QYmad2GEIoQO4uxmjUnciIJmn9w"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"电子琴手法","id":""}],"text":"","id":"R6qMdySSsoQWakxgdoKcXYWEnfe"},{"type":"paragraph","children":[{"type":"text","text":"学习电子琴要了解电子琴手法,练习手法的前提是有一个良好的坐姿,然后架起一个优秀的手型,手掌拱起、指尖触键、手腕自然放松、手腕平整。手法练习建议从C大调的音阶练习,可以很慢,但是一定要弹准确,稳定,有力度地进行,提前准备换指,两手分开练习,练好了再合并。","id":""}],"text":"","id":"GW8KdykOGoOUMYxO463cVtVInHe"},{"type":"paragraph","children":[{"type":"text","text":"身体姿势:","id":""}],"text":"","id":"TiOgdqK28ogGUcxS6MkcWnLznqc"},{"type":"paragraph","children":[{"type":"text","text":"1、手的各部位要自然放松,切忌僵硬。","id":""}],"text":"","id":"KIwCdwG8ComA86xMYlKcLvLZneb"},{"type":"paragraph","children":[{"type":"text","text":"2、大臂(上臂)自然下垂,小臂与手腕手背呈水平线。","id":""}],"text":"","id":"Gw6IdewamowiUcxe68McNZ7vnve"},{"type":"paragraph","children":[{"type":"text","text":"3 、手指自然弯曲,同手掌一起构成一个半圆型,呈空握球状。","id":""}],"text":"","id":"DwO2de0Kgo2kYuxQ1rPch7TNnvb"},{"type":"paragraph","children":[{"type":"text","text":"4 、掌关节(通常叫第三关节)及所有手指关节都应凸起,应避免和纠正最易出现的手指第一关节和第三关节(指掌关节)塌陷呈凹状。","id":""}],"text":"","id":"Ti8mdCu8ioGioox4CgWc9GUTn0b"},{"type":"paragraph","children":[{"type":"text","text":"5、手指应自然分开,原则上刚好一个指头对准一个琴键。","id":""}],"text":"","id":"FAeIde0ISoiocyxqcvwcIEs7nJh"},{"type":"paragraph","children":[{"type":"text","text":"6 、整只手(从整个前臂到手)应以水平位置正摆在琴健上,并应使手指摆正,与琴键排列平行,大指应放在琴键上面。","id":""}],"text":"","id":"TmsmdOYcQoQQmkxSmFAcks6QnHf"},{"type":"paragraph","children":[{"type":"text","text":"7、手指触键的基本位置应取在白键与黑键距离的约二分之一处。当触按黑键时,整只手应向黑键位置前挪,黑键应弹在键前端位置。","id":""}],"text":"","id":"Lus6duSqYoKOgKxMZgvcU4q7nRh"},{"type":"paragraph","children":[{"type":"text","text":"8、要求指尖落在琴键上,不能用指肚;手腕不要摇晃,除非是练“落滚”;手不能趴在琴上。","id":""}],"text":"","id":"LmaadYuqaos8MmxQl77cSzfennd"},{"type":"image","attrs":{"height":272,"note":[{"type":"text","text":"电子琴手法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/7540356be81d4c8dbdd875d9def11cc0","width":499},"text":"","id":"IsAMdiciioaUISxOtZZccc04npb"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"TEcMdOmkOoSKUYxQHwxcpQ3mnif"},{"type":"paragraph","children":[{"type":"text","text":"指法,1代表拇指、2代表食指、3代表中指、4代表无名指、 5代表小指。","id":""}],"text":"","id":"DsKCdaUkOoqe22xqU3ccsZ3KnOh"},{"type":"paragraph","children":[{"type":"text","text":"C、D、E、F、G、A、B七个键分别用1号指、2号指、3号指、1号指、2号指","id":""},{"type":"text","text":"。","id":""}],"text":"","id":"LEkadUKgkoYiM6xy66Gczbx5nkc"},{"type":"paragraph","children":[{"type":"text","text":"A、B","id":""},{"type":"text","text":"是用3号指、4号指。","id":""}],"text":"","id":"BMqkd2IAyoUSQ8xSm7CcEH8wnjf"},{"type":"image","attrs":{"height":258,"note":[{"type":"text","text":"电子琴手法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/1199205aac77476784599784de0733d8","width":543},"text":"","id":"PyGudMI82oyCQyxonl0cHOzvnDf"},{"type":"paragraph","children":[{"type":"text","text":"单纯看图和文字不太好理解电子琴的指法,大家可以看看相关的视频教程:","id":""}],"text":"","id":"TgM0diaaOoSO4mxAtP2cqhumnTd"},{"type":"paragraph","children":[{"type":"text","text":"电子琴基本指法","id":""},{"type":"external_link","attrs":{"url":"https://www.bilibili.com/video/BV1Hq4y127um/?spm_id_from=333.337.search-card.all.click"},"children":[{"type":"text","text":"https://www.bilibili.com/video/BV1Hq4y127um/?spm_id_from=333.337.search-card.all.click","id":""}],"text":"","id":""}],"text":"","id":"T4sgdsKC8oEKeKxW0skcF74gnsh"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"电子琴音调","id":""}],"text":"","id":"S6ecdUmSMommImxIxtyckvkgnfg"},{"type":"paragraph","children":[{"type":"text","text":"学习电子琴需要先学习音调,一般从C大调开始学,因为最简单,音阶所弹奏的每个音都在白键上。每个调所标指法都是弹奏该调的自然音阶,初学者只要按照正确姿势和指法,弹起来一点也不难。其余的调,虽然有音在黑键上,黑白交错,但也没什么大的难点。","id":""}],"text":"","id":"GeCwdsWgUoKyGKxm4RFcmkK9nae"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"熟悉大小调","id":""}],"text":"","id":"NIQwd0EscoSIa2xCoaHcyCu0nxd"},{"type":"paragraph","children":[{"type":"text","text":"24大小调也就是调性(Tonality)。调性(Tonality)是调的主音和调式类别的总称,例如,以C为主音的大调式,其调性即是“C大调”,以a为主音的小调式,其调性就是“a小调”等。以此类推,一般音乐中主要有24个调性。","id":""}],"text":"","id":"TsmcdGmAKoikSwxo5UxcxBkNnoc"},{"type":"paragraph","children":[{"type":"text","text":"最笨的方法--数手指 (大调)","id":""}],"text":"","id":"JccsdQ0KAoqsQ0xgaxRcTbtZnPh"},{"type":"paragraph","children":[{"type":"text","text":"使用这种方法的前提是:必须熟练掌握音名C、D、E、F、G、A、B的顺序。","id":""}],"text":"","id":"JQASdSAoCo0ayMx61JTcgZVtnrc"},{"type":"paragraph","children":[{"type":"text","text":"具体方法:","id":""}],"text":"","id":"VYkqdOUc2omyqkxoL9Ocf15mnid"},{"type":"paragraph","children":[{"type":"text","text":"1、升号调:在四个手指头上数音名。","id":""}],"text":"","id":"BGcKdsyyEoM8QqxGklScHflCn7b"},{"type":"image","attrs":{"height":354,"note":[{"type":"text","text":"熟悉大小调","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/5d0e9a9745104db393fe37bb1c47e806","width":365},"text":"","id":"AqSyd6ESAo8eqwx2huLcIcEcnph"},{"type":"paragraph","children":[{"type":"text","text":"伸出左手四个手指,手心向自己。","id":""}],"text":"","id":"YcSeduGIsoms2CxKGbtc6xZKnte"},{"type":"paragraph","children":[{"type":"text","text":"然后从食指、中指、无名指、小指的顺序数音名:C(食指)、D(中指)、E(无名指)、F(小指),数到G,又回到了食指。","id":""}],"text":"","id":"WqgAd4iIeocGYaxayQhcARcRnAb"},{"type":"paragraph","children":[{"type":"text","text":"这时记住:“数了一圈,一个升记号,G调。”","id":""}],"text":"","id":"YYGKdw2IUoCgyWxuKrZcEAktnpc"},{"type":"paragraph","children":[{"type":"text","text":"然后接着数:A(中指)、B(无名指)C(小指)、数到D又回到了食指。","id":""}],"text":"","id":"JOAOdigU4oosWExqeMycJRV9nLf"},{"type":"paragraph","children":[{"type":"text","text":"于是记住:“数了两圈,两个升记号,D调。”","id":""}],"text":"","id":"NA6uduWACok6MYxEpWBc5sZ7npc"},{"type":"paragraph","children":[{"type":"text","text":"就这样,在四个手指上反复数音名:C、D、E、F、G、A、B、C、D、E、F……从食指开始数,再数到食指算一圈,数几圈就3是几个升记号,数到食指上是什么音名,就是什么调。","id":""}],"text":"","id":"AyymdgIgUoWwwoxYnCaco8Nqn3c"},{"type":"paragraph","children":[{"type":"text","text":"2、降号调:在三个手指头上数音名","id":""}],"text":"","id":"WwSkd0ksMoCW8Ux8gcqcsrdgnJb"},{"type":"image","attrs":{"height":372,"note":[{"type":"text","text":"熟悉大小调","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4260a80b0f4148e0849fcbafe5c202d3","width":340},"text":"","id":"TMwud4ooSo6yKcxUdqPcIfjRnCf"},{"type":"paragraph","children":[{"type":"text","text":"伸出左手三个手指,手心向自己。","id":""}],"text":"","id":"MSecdM8gYo2I4QxyovfcriW2noe"},{"type":"paragraph","children":[{"type":"text","text":"然后从食指、中指、无名指的顺序数音名:C(食指)、D(中指)、E(无名指),数到F,又回到了食指,“","id":""}],"text":"","id":"I0ISduoOcogmGgx0EyXcpFM1nNh"},{"type":"paragraph","children":[{"type":"text","text":"数了一圈,一个降记号,F大调”","id":""}],"text":"","id":"NAy8d6YU0o64iOxU3G4cBvHynRg"},{"type":"paragraph","children":[{"type":"text","text":"然后接着数:G(中指)、A(无名指),数到B,又回到食指了。“","id":""}],"text":"","id":"HeGIdCMkEocUemxYd3rc48Amnjh"},{"type":"paragraph","children":[{"type":"text","text":"数了两圈,两个降记号,降5B大调。”","id":""}],"text":"","id":"QswCd0YYeomawIx83gfcjXmhnsh"},{"type":"paragraph","children":[{"type":"text","text":"如此在三个手指上数音名,从食指开始数,再数到食指算一圈,数了几圈就是几个降记号,食指上的音名是什么,就是降什么调。","id":""}],"text":"","id":"JksWdWoW0omAU4xWQRRcxMdTnzg"},{"type":"paragraph","children":[{"type":"text","text":"这种方法操作简便,上手很快,但也不是很高效,数手指的时候比较傻,而且一般很容易忘记已经数过几圈了,所以不推荐使用,只是作为"五度循环"原理的实践可以玩玩。","id":""}],"text":"","id":"EiEydscmsoGIOMxKGhIccZ5bnPh"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"升降音","id":""}],"text":"","id":"CcI6d8gu6oeAuGxAL0Wctszvnlg"},{"type":"paragraph","children":[{"type":"text","text":"调号中的升降与大调音阶密切相关,首先需要知道的是大调音阶的公式:全全半全全全半。","id":""}],"text":"","id":"M0iIdwAwEoWIKyxY7yLcPFADnkC"},{"type":"paragraph","children":[{"type":"text","text":"这个音阶是从C开始的,所以叫做C大调音阶。","id":""}],"text":"","id":"RgE0dCC6moAc2WxE3iTcj54Yn4b"},{"type":"paragraph","children":[{"type":"text","text":"全,是指两个相邻的音之间是全音关系。半,是指两个相邻的音之间是半音关系。","id":""}],"text":"","id":"CseAdSsQGoIuw4xoPvsc8vRsnAh"},{"type":"paragraph","children":[{"type":"text","text":"半指的是半音,也就是一个小二度。也就是一个自然大调音阶,相邻两音之间的关系。","id":""}],"text":"","id":"EiiSdK4gIomC8mxIMuocNKlSnDy"},{"type":"paragraph","children":[{"type":"text","text":"升号(记号#)记号表示标有这个记号的音,(基本音阶)升高半音。","id":""}],"text":"","id":"M4Awd0kU2o4iMcxOMtxc5BcxnMh"},{"type":"paragraph","children":[{"type":"text","text":"降号(记号B)记号表示标有这个记号的音,(基本音阶)降低半音。","id":""}],"text":"","id":"OUIEd2uKComEQqx81thcAMBDnGd"},{"type":"image","attrs":{"height":203,"note":[{"type":"text","text":"升降音","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/b3da0e72ed3547e78875973ad32664cb","width":611},"text":"","id":"RaEoduU8goimOuxkRfKccC7rnJd"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"大调音阶指法","id":""}],"text":"","id":"Aw8ods260o2gK0xG0OXcD8Vvnwf"},{"type":"paragraph","children":[{"type":"text","text":"C大调音阶: C D E F G A B C","id":""}],"text":"","id":"SgwSdOU0Uog2kEx0OR6cpQjknVx"},{"type":"image","attrs":{"height":332,"note":[{"type":"text","text":"大调音阶指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/ec0db7c892054c98a6787a6e098b2b05","width":568},"text":"","id":"FE8Sds8wooISYUxeWPccO4HUnDe"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"WgEGdgCcmoWIasxAyGwclgelneb"},{"type":"paragraph","children":[{"type":"text","text":"G大调音阶: G A B C D E F# G ","id":""}],"text":"","id":"DieKd66m4oyCgExqCSjc5pqWnwd"},{"type":"image","attrs":{"height":320,"note":[{"type":"text","text":"大调音阶指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/6cc33d80d05a43c5bb411e0e052526a0","width":540},"text":"","id":"L4sMdEi04okA00xUZjwcSjldnoc"},{"type":"paragraph","children":[{"type":"text","text":"D大调音阶: D E F# G A B C# D ","id":""}],"text":"","id":"BuW0duuW2oqSOex0goGcgWk7nve"},{"type":"image","attrs":{"height":350,"note":[{"type":"text","text":"大调音阶指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/d08bce03a7d04b2d9a4fa0a922a767ed","width":564},"text":"","id":"HK4kd8myWoo4WSxMhUIc12ffnsh"},{"type":"paragraph","children":[{"type":"text","text":"A大调音阶: A B C# D E F# G# A","id":""}],"text":"","id":"K2Qcd0kO0oGOeqxcNnHcz7dDn4f"},{"type":"image","attrs":{"height":357,"note":[{"type":"text","text":"大调音阶指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/b7358bba1a3840b68c72d7843d8f68e0","width":594},"text":"","id":"NeGsdoCG4oeAUgx4hD8caDrjnFf"},{"type":"paragraph","children":[{"type":"text","text":"E大调音阶: E F# G# A B C# D# E ","id":""}],"text":"","id":"Lg8sdqegYo4U0Oxfo95cws9UnHf"},{"type":"image","attrs":{"height":338,"note":[{"type":"text","text":"大调音阶指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/447e5cc9815743ba943b14085443a623","width":602},"text":"","id":"POg6dM06WoOgK0xy2zecztlgnah"},{"type":"paragraph","children":[{"type":"text","text":"B大调音阶: B C# D# E F# G# A# B","id":""}],"text":"","id":"S8AMdSkYyo02uixEJ9Hcu0Jyn4b"},{"type":"image","attrs":{"height":322,"note":[{"type":"text","text":"大调音阶指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/75d1609498d84a1ba351109569e2c1c0","width":584},"text":"","id":"CcQ0dmkgEoggQ0xIfuxcX9YVnCf"},{"type":"paragraph","children":[{"type":"text","text":"F#大调音阶: F# G# A# B C# D# E# F#","id":""}],"text":"","id":"Eq0AdkgOooQYewxEFe9cI4Ofnud"},{"type":"image","attrs":{"height":369,"note":[{"type":"text","text":"大调音阶指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/60abe7d0c3dc4f8bacae0b7b71d0cf5c","width":654},"text":"","id":"OQKkdOgu4omWsix2fp4cYucdnne"},{"type":"paragraph","children":[{"type":"text","text":"F大调音阶: F G A Bb C D E F","id":""}],"text":"","id":"SMAadymgCo0kg6xCOLwch7OCnmf"},{"type":"image","attrs":{"height":491,"note":[{"type":"text","text":"大调音阶指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/3579b6b5762a4507a2aabd12c9c9199a","width":849},"text":"","id":"OwKCdoAKWocoQCxcEUgcwmBGnyw"},{"type":"paragraph","children":[{"type":"text","text":"Bb大调音阶: Bb C D Eb F G A Bb ","id":""}],"text":"","id":"KQS8dIc8cokaaixsJXncMMIdnTe"},{"type":"image","attrs":{"height":354,"note":[{"type":"text","text":"大调音阶指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/254968a3a2924bd88d0422b08f426472","width":663},"text":"","id":"D8AEdcOeSo6Cy2xk72ScF8Dqnnc"},{"type":"paragraph","children":[{"type":"text","text":"Eb大调音阶: Eb F G Ab Bb C D Eb","id":""}],"text":"","id":"RmuydUoyGoq8sQxk5ESc4AKJnSf"},{"type":"image","attrs":{"height":370,"note":[{"type":"text","text":"大调音阶指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/a7705a93a1474f75972a25b98b54d85f","width":636},"text":"","id":"EySodskeqoOAuYxctjecuZB2n1g"},{"type":"paragraph","children":[{"type":"text","text":"Ab大调音阶: Ab Bb C Db Eb F G Ab ","id":""}],"text":"","id":"J4UGdOQOUoAAswx57u3cZ6JqnyC"},{"type":"image","attrs":{"height":434,"note":[{"type":"text","text":"大调音阶指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/d9745a462a0a48368bd78b3902e71c75","width":731},"text":"","id":"TAW0d8YgcoogcSxkpJ7cVk3knCh"},{"type":"paragraph","children":[{"type":"text","text":"Db大调音阶: Db Eb F Gb Ab Bb C Db ","id":""}],"text":"","id":"Yoc0dacSgoyweSx08Bhcu9BLnyg"},{"type":"image","attrs":{"height":347,"note":[{"type":"text","text":"大调音阶指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/08a48c41c7444e9f8a462c8afbe0f540","width":591},"text":"","id":"LiIYdKkO0oIiygxaA1ocpilWnWf"},{"type":"paragraph","children":[{"type":"text","text":"电子琴的音调、音阶教程:","id":""},{"type":"external_link","attrs":{"url":"https://tv.sohu.com/v/dXMvMzM1OTQxOTM0LzIxMDM5ODQ0Ni5zaHRtbA==.html?key=/v/dXMvMzM1OTQxOTM0LzIxMDM5ODQ0Ni5zaHRtbA==.html\u0026vid=210398446"},"children":[{"type":"text","text":"https://tv.sohu.com/v/dXMvMzM1OTQxOTM0LzIxMDM5ODQ0Ni5zaHRtbA==.html?key=/v/dXMvMzM1OTQxOTM0LzIxMDM5ODQ0Ni5zaHRtbA==.html\u0026vid=210398446","id":""}],"text":"","id":""}],"text":"","id":"OY6cdMicaoYumKxyWkGcBQMtnRf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"电子琴简谱","id":""}],"text":"","id":"OuaWd6qico4GQ4x6PF1cY63lnxc"},{"type":"paragraph","children":[{"type":"text","text":"初学简谱的时候选择C大调,C大调音阶只涉及白键,是最简单的音阶。","id":""}],"text":"","id":"SOUUdaoWmoA0o2xgZGtcBwBvnlf"},{"type":"paragraph","children":[{"type":"text","text":"具体构成是:do re mi fa so la si do si la so fa mi re do。","id":""}],"text":"","id":"BiCYdYA4uoAWACxO3jIcMDVWnVt"},{"type":"paragraph","children":[{"type":"text","text":"简谱即为:1 2 3 4 5 6 7 1 7 6 5 4 3 2 1。","id":""}],"text":"","id":"ReICdA6wIoSy8ixKWuQcmqQTnpc"},{"type":"image","attrs":{"height":242,"note":[{"type":"text","text":"电子琴简谱","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4866268e17dd43989ca7bea345792d2e","width":656},"text":"","id":"FSqUdOKuwok2gqxmAuUcrgNlnF8"},{"type":"paragraph","children":[{"type":"text","text":"刚开始弹琴的时候可以先单音节试音,然后跟着简谱慢慢练习,可以选择比较简单的入门简谱,方便我们学习。","id":""}],"text":"","id":"PsWGdKoYeokEQyxQpXicgrgznTf"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"简谱的看法","id":""}],"text":"","id":"PygGde0USo8IC6xY9aPcxFOrnEh"},{"type":"paragraph","children":[{"type":"text","text":"1、电子琴简谱应该首先要看调子,然后再翻译成C大调。","id":""}],"text":"","id":"QWsydcwcWoAKyWxsNhocTF2xnih"},{"type":"paragraph","children":[{"type":"text","text":"2、音符数字1就是do,2就是ruai,3就是mi,以此类推。","id":""}],"text":"","id":"T4qKdY2UyoqaEoxExcFcu5aGnRf"},{"type":"paragraph","children":[{"type":"text","text":"3、节拍是衡量节奏的单位,在音乐中,有一定强弱分别的一系列拍子在每隔一定时间重复出现。如 2 / 4(四二拍) 、 4 / 4(四四拍) 、 3 / 4(四三拍) 拍等。","id":""}],"text":"","id":"OuiqdMAoaok00GxcZncctnKWnOh"},{"type":"paragraph","children":[{"type":"text","text":"单独一个音符不带任何其他符号的弹一拍,两个音符在一起下边有一条线的话,那么这两个音符弹一拍,一个就是半拍,四个音符在一起下边有两条线的话,那么这四个音符弹一拍,一个就是四分之一拍。","id":""}],"text":"","id":"DKsQdSuu2oeAAqx2vDNcAfuzncd"},{"type":"paragraph","children":[{"type":"text","text":"如果音符右边带一个点叫做附点,表示后边还有一个音,并且这两个音下边有一条线,那么带点的音弹四分之三拍,后边的音弹四分之一拍;如果音符右侧有一个点,下边没有线的话那就弹一拍半,它后边的音弹半拍。","id":""}],"text":"","id":"T8mUd4IeUoci4sxxr3JcG9qonei"},{"type":"paragraph","children":[{"type":"text","text":"数字后面的横线一条代表这此音延长一拍,下面的横线一条表示此音在一拍的基础上缩小1/2拍。","id":""}],"text":"","id":"R6gqdcO6yoqgWGxGegsc1dg8npf"},{"type":"paragraph","children":[{"type":"text","text":"数字上面的弧线,那个是表示连音,即在弧线下方的所有音符都要连起来弹,不可以断开。","id":""}],"text":"","id":"Y2YidgAYgoCkyGxoJwwcK32Cnwe"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"X8mcd8qsEoOAqexulRhcPGg5nVb"},{"type":"paragraph","children":[{"type":"text","text":"以四四拍为例子:","id":""}],"text":"","id":"MkwSdOimEo8sGmxK2aYcijlqn8c"},{"type":"paragraph","children":[{"type":"text","text":"“44拍”通常用4/4表示,4/4通常被叫做“拍号”,其主要意思为:以4分音符为1拍,每小节4拍。","id":""}],"text":"","id":"NKysdEAEcoyc8SxoDFZcef5WnRe"},{"type":"paragraph","children":[{"type":"text","text":"在音乐中,4/4用来表示不同拍子的记号就叫“拍号”。拍号用分数的形式来表示,其中分母代表以几分音符为一个单位拍(即单位拍的基本时值),分子则表示出每个小节之中有几个单位拍。在五线谱中分数线用第三线来代替,不用另外划线。","id":""}],"text":"","id":"AYSid4kaSoCECgxU1G4cUcuinW8"},{"type":"paragraph","children":[{"type":"text","text":"拍号的读法是先读分母,后读分子,分数线不必读出。拍号只在乐曲开始的第一小节标记一次,记写在调号的后面,之后的每行谱子不再标记。但如果在乐曲中间需要变换拍子,则需要在所变换拍子的那一小节写出新的拍号,直到再次变换拍子。","id":""}],"text":"","id":"WMi8dY08koG08IxCsA6ccU5lnkc"},{"type":"paragraph","children":[{"type":"text","text":"4、","id":""},{"type":"text","text":"空拍是指休止符","id":""},{"type":"text","text":"。一般用以记录不同长短音的间断时值的符号叫做休止符。音值的基本相互关系:每个较大的音值和它最近的较小的音值的比例是2与1之比。休止符的使用,可制造出音乐乐句中不同的情绪表达。休止符的命名主要依停顿时间长短来命名,可分为倍全休止符、全休止符、二分休止符、四分休止符、八分休止符、十六分休止符、三十二分休止符、六十四分休止符。\\n","id":""},{"type":"text","text":" 休止符也可以加上附点,来调整音乐停顿的长度,命名为原休止符名,前面加上“附点”两字,例如附点二分休止符。","id":""}],"text":"","id":"X64gd4qkCoUk6Axi2uQcrMOnnwb"},{"type":"image","attrs":{"height":548,"note":[{"type":"text","text":"简谱的看法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/89566f4474fb49428048bf6db38c66d8","width":1177},"text":"","id":"SOA2dSEmqowGcOxXcqBcoaAcnLz"},{"type":"paragraph","children":[{"type":"text","text":"简谱的空拍用休止符“0”表示,以四分音符为一拍的空半拍则是用八分休止符表示,在0下面加一横。以八分音符为一拍的,空半拍则用十六分休止符来表示,在0下面加两横。","id":""}],"text":"","id":"S0uKdwOIio6QaExmoqGc0Omgnhb"},{"type":"image","attrs":{"height":705,"note":[{"type":"text","text":"简谱的看法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/6b3d7840a44f4ff496962405c4f3f254","width":1127},"text":"","id":"ECeCd6wqAoae0yxgJhKcTcFanTU"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"YGmydS6Q6oCumyxCYCNcmrK5nyd"},{"type":"paragraph","children":[{"type":"text","text":"5、音高:音符上边带一个点是高音,两个点就再往上高一组,下边带一个点是低音,带两个就在往下一组。","id":""}],"text":"","id":"ZMoudmyKwoimg2xQBV2cOcYUnRf"},{"type":"paragraph","children":[{"type":"text","text":"7、每一条竖线就表示一小节。","id":""}],"text":"","id":"K0y8dSUyWomecUxgfd6c2XbinDe"},{"type":"image","attrs":{"height":281,"note":[{"type":"text","text":"简谱的看法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/817fa9204c9b449bb257b46b13974e7b","width":572},"text":"","id":"TckGdGsk2o4oMgxsLSPcFSK3ncd"},{"type":"paragraph","children":[{"type":"text","text":"对节拍还不太懂的朋友可以看看视频教程。","id":""}],"text":"","id":"SCmidwWEioisSkxM7s8cdPTfn9c"},{"type":"paragraph","children":[{"type":"text","text":"电子琴常见的打节拍的方式教程:","id":""},{"type":"external_link","attrs":{"url":"https://haokan.baidu.com/v?pd=wisenatural\u0026vid=750794551816404449"},"children":[{"type":"text","text":"https://haokan.baidu.com/v?pd=wisenatural\u0026vid=750794551816404449","id":""}],"text":"","id":""}],"text":"","id":"JKS8dy2Ewou6oWxMN4QcdSttnae"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"入门简谱推荐","id":""}],"text":"","id":"Xai0d6MwgoOGC6xOEj0c9m8xnAd"},{"type":"paragraph","children":[{"type":"text","text":"1、《生日快乐》","id":""}],"text":"","id":"QMEGdkAOmo0CkqxUzhcc0gzunbd"},{"type":"paragraph","children":[{"type":"text","text":"《祝你生日快乐》(Happy Birthday to You)常简称《生日快乐》或《生日歌》,是一首用来庆祝生日的流行歌曲。根据《吉尼斯世界纪录》,《祝你生日快乐》是英语中三首最流行的歌曲之一。","id":""}],"text":"","id":"MsEid6EwqokYKGx6e3Ucfvwfnyg"},{"type":"image","attrs":{"height":321,"note":[{"type":"text","text":"入门简谱推荐","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/27edade9ab024aea8750baae14539c96","width":600},"text":"","id":"BwUYdWGYsoEYgaxwpWrchROMnFb"},{"type":"paragraph","children":[{"type":"text","text":"2、《我爱北京天安门》","id":""}],"text":"","id":"CcwAda42wogqc6xOynscyRoRnvc"},{"type":"paragraph","children":[{"type":"text","text":"《我爱北京天安门》(I Love Beijing Tiananmen)是一首颂赞毛主席的歌曲。创作于1970年,于1971年正式在中央人民广播电台首播。","id":""}],"text":"","id":"WOygdqYQGokM2yxgFCVcTupSnKe"},{"type":"image","attrs":{"height":358,"note":[{"type":"text","text":"入门简谱推荐","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4dc1a618320c4497976779221ecd092c","width":600},"text":"","id":"JEM2dYiyOoCSeKxEkIwcTJp5n6V"},{"type":"paragraph","children":[{"type":"text","text":"3、《采蘑菇的小姑娘》","id":""}],"text":"","id":"XGmIdKw2yomc4Kx8bZZcmPrYnye"},{"type":"paragraph","children":[{"type":"text","text":"《采蘑菇的小姑娘》这首歌写于1982年,首唱是歌唱家朱逢博,后经靳小才演唱后受到人们的欢迎,是一首经典的中国儿童歌曲。","id":""}],"text":"","id":"TmqwdAAGooG8SGx27s9cZGENnGe"},{"type":"image","attrs":{"height":486,"note":[{"type":"text","text":"入门简谱推荐","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/a2700b0717a545858dd89f5c1137e2d0","width":411},"text":"","id":"VKmkdiw0soSA2QxhJIccKutHne9"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"电子琴练习","id":""}],"text":"","id":"GkoId0QAuoMSqkxyGymcry3Mnxe"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"练习单音","id":""}],"text":"","id":"TaqMdAk02okwKAxAdSVcUYMDnIb"},{"type":"paragraph","children":[{"type":"text","text":"可以单个手指练习单音节,慢慢熟悉电子琴按键和音阶,先练断奏,后练连奏。","id":""}],"text":"","id":"QU0WdKSiYoE6mexYP4WcEfiZnXc"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"五指原位练习","id":""}],"text":"","id":"OWy0dg62IoYSgQxFjAecnRu7ngi"},{"type":"image","attrs":{"height":450,"note":[{"type":"text","text":"五指原位练习","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/a8360a74df724d13b72e1e32a9e2100e","width":720},"text":"","id":"LUMGdw8iGomumcxeOx4cpBpYnwc"},{"type":"paragraph","children":[{"type":"text","text":"五指原位练习,先慢后快,要求按节奏的速度弹奏。","id":""}],"text":"","id":"R60OdYIIGoCwCSx66AFcyHjPn2J"},{"type":"paragraph","children":[{"type":"text","text":"1、2、3、4、5、6、7分别对应的是右手的拇指,食指,中指,拇指,食指,中指,无名指。","id":""}],"text":"","id":"C8MsdUy2soSGMMxyOkEcvB2onFf"},{"type":"paragraph","children":[{"type":"text","text":"下一个高音手指用拇指弹。左手的话分别对应小手指,无名指,中指,食指,拇指,中指,食指。","id":""}],"text":"","id":"QIWMdywcOoo6SuxsB7lc4fLEnyf"},{"type":"paragraph","children":[{"type":"text","text":"右手手指从下面穿过去,左手的从上面跨过。","id":""}],"text":"","id":"TQOqdq8KwowskCxcjMfcvPasnXg"},{"type":"paragraph","children":[{"type":"text","text":"例如:","id":""}],"text":"","id":"UQUsdowEOo0iyWxu8ZQcSyx7nbe"},{"type":"paragraph","children":[{"type":"text","text":"C大调音阶,在一个八度范围练习,右手上行可用3-5指法,既1、2、3、1、2、3、4、5指,下行则用5-3指法,既5、4、3、2、1、3、2、1指。左手上行可用5-3指法,既5、4、3、2、1、3、2、1指。而下行则可用3-5指法,既1、2、3、1、2、3、4、5指。","id":""}],"text":"","id":"RSCIdAcw2oKUAMx85HwcxPwYnDg"},{"type":"paragraph","children":[{"type":"text","text":"C大调音阶练习超过一个八度,则右手上行可用3-4指法,既1、2、3、1、2、3、4、1、2、3、1、2、3、4指(对于上行最后一个音需要用5指),下行则用4-3指法,既.4、3、2、1、3、2、1、4、3、2、1、3、2、1指。","id":""}],"text":"","id":"Q4sqdeQqIo8MUqxsbaDcwAA9nTC"},{"type":"paragraph","children":[{"type":"text","text":"同样左手上行仍可用4-3指法,既4、3、2、1、3、2、1、4、3、2、1指(对于上行第一个音需要用5指)。左手下行则可用3-4指法,既1、2、3、1、2、3、4、1、2、3、1、2、3、4指。","id":""}],"text":"","id":"FaUqd0AM6oKuoMxqquOcVaoMnSh"},{"type":"image","attrs":{"height":347,"note":[{"type":"text","text":"五指原位练习","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/2b874044634348858ccb7a650b3b3540","width":597},"text":"","id":"Wyk8dC4igoMmYIxcT8hcHyUSnTg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"按键方法","id":""}],"text":"","id":"CYQ4dGC0Ko0cU8xuE6mcQhFnnNg"},{"type":"paragraph","children":[{"type":"text","text":"1、右手:当你正常弹到mi时,大拇指跳到fa的位置,其他接着弹下去,折回;拇指弹到fa时,中指跳到mi的位置,接着弹。","id":""}],"text":"","id":"KQ6YdyI6gowSmYxCOt0ceAXGnSc"},{"type":"paragraph","children":[{"type":"text","text":"2、左手:正常弹到suo时,中指跳到la的位置,接着弹完。折回弹:中指弹到la时,拇指跳到suo的位置接着弹完 。 ","id":""}],"text":"","id":"UImkdyuyqoQ06Kx2dwLcdIDknfh"},{"type":"paragraph","children":[{"type":"text","text":"3、弹电子琴手指的力度要稍轻,不宜采用演奏钢琴的力度重触键。因为演奏者演奏一般电子琴,触键力度的大小并不影响音量。手指过于放松、甚至轻飘飘也是不正确的,因为这样有时会由于按键过浅,没有拨通电子振荡器电路而无音,用手的自然重量比较合适。","id":""}],"text":"","id":"EKk0dWWAQocU6SxGwh7cYcPsnjc"},{"type":"image","attrs":{"height":400,"note":[{"type":"text","text":"按键方法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/64b8d202110e4549be32c34b9347690a","width":640},"text":"","id":"Fui6dmgaaoaykExErthcwM0unKh"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"初学弹奏方法","id":""}],"text":"","id":"VOqcdyEkSoegScxOuI5c2yIJn7e"},{"type":"paragraph","children":[{"type":"text","text":"第一、弹奏电子琴不要一开始就打开自动节奏、自动和弦弹奏练习曲和乐曲,尤其是缺乏任何乐理基础,或不懂一件乐器的情况下。","id":""}],"text":"","id":"JkGwdq0g4osaa6xqGKWcWtt9nmf"},{"type":"paragraph","children":[{"type":"text","text":"第二、弹奏电子琴时,不要踩踏板,初学阶段双手配合还不适应,就更别提手脚协调,尽管这比钢琴简单得多。","id":""}],"text":"","id":"QaEUdSi6Uo6QOOxqy6Xc3zsxnXg"},{"type":"paragraph","children":[{"type":"text","text":"第三、弹奏电子琴时,多数练习曲最好都采用默认的钢琴音色,而不要滥用小提琴、长笛、单簧管等其他持续性久的音色,因为这完全会影响弹奏电子琴良好效果的发挥。","id":""}],"text":"","id":"PICwdgGk2osuqAxiUPicQeMnnuh"},{"type":"paragraph","children":[{"type":"text","text":"第四、如果想把电子琴学得更为全面而圆满的话,左手在手动和弦的基础上,应掌握多指自动和弦,而不必学什么单指和弦。","id":""}],"text":"","id":"Qe0Ud6siOoyUucxANh1cuLQsnJd"},{"type":"paragraph","children":[{"type":"text","text":"第五、在学习或者弹奏电子琴时,千万不要杜撰指法,特别像那种把一个手指从一个音远距离地猛跳到另一个音,如果养成这样的淮西怪,那将会十分可怕。一个好习惯的养成需要很久的时间,而一个坏习惯随便几分钟就可以形成,改掉这个坏习惯却要很久,所以在练琴的时候,一定要看清楚指法再练习,哪怕前期我们要花费很久的时间也不要随心所欲乱杜撰指法。","id":""}],"text":"","id":"Q0CMdKyueoIg86xAfcNcEAQJntg"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"学习方法","id":""}],"text":"","id":"PyQOdaw8aoUm2Yx64ljcritynph"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"教材推荐","id":""}],"text":"","id":"CYekdkYkCooQ8cxeUsacBsjwnQc"},{"type":"paragraph","children":[{"type":"text","text":"没有学过乐理知识,想要自学电子琴,就需要购买一些教材,然后跟着教材系统的学习电子琴。","id":""}],"text":"","id":"R2uUdIMYcocsSCx4Hwscxl8OnVf"},{"type":"paragraph","children":[{"type":"text","text":"《电子琴初级教程》这本教材内容比较丰富,上面这页是它的五页目录之一,最前面也有电子琴基础知识介绍。课程规划比较系统,如果有耐心自学,这本适合成人业余学习电子琴。","id":""}],"text":"","id":"BKyAd4ieko8SwuxqMCdcjvjGnKc"},{"type":"image","attrs":{"height":234,"note":[{"type":"text","text":"教材推荐","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/cbbbbfa488ba4d4881030cb39f851cb2","width":313},"text":"","id":"Iq0OdwowaoSiamx4y0ScVVt9nsd"},{"type":"paragraph","children":[{"type":"text","text":"《从零起步学电子琴》这本书适合初学的同学学习,书本内容比较注重对不同弹琴指法的练习。如果你的手指弹琴时不是特别灵活,建议买这本书来练一下不同的指法。","id":""}],"text":"","id":"VCucdy0c6osUGmxSiJycSR20n6d"},{"type":"paragraph","children":[{"type":"text","text":"这本书内容比较丰富,曲子比较多,可以适当跳跃学习。","id":""}],"text":"","id":"RMqId8UmooKIkYxgPpbc7P4onVb"},{"type":"image","attrs":{"height":679,"note":[{"type":"text","text":"教材推荐","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/d675d704150f47f49b31323d75eb684c","width":758},"text":"","id":"Uq2Gd6Qkyoky0Mx0wUQcSQ2RnKh"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"课程推荐","id":""}],"text":"","id":"UE00d6go8omOKkxKM6FcwsJzn0c"},{"type":"paragraph","children":[{"type":"text","text":"刚开始学习电子琴的时候可以多看些视频资源,或者可以与许多电子琴爱好者交流,不懂时还可以提出问题,这样总比自己一个人探索有用得多。","id":""}],"text":"","id":"H0GGd2OoAoksyYxqaYYczFPOnRe"},{"type":"paragraph","children":[{"type":"text","text":"下面是一些电子琴的视频教程,大家可以参考下。","id":""}],"text":"","id":"GG4QdgSyaowEA2xKwHwclKPunYo"},{"type":"paragraph","children":[{"type":"text","text":"1、电子琴新手教学","id":""},{"type":"external_link","attrs":{"url":"https://www.bilibili.com/video/BV1KE41157m9/?zw"},"children":[{"type":"text","text":"https://www.bilibili.com/video/BV1KE41157m9/?zw","id":""}],"text":"","id":""}],"text":"","id":"RmiYdKag0oqk22xKaX6ccw8OnXd"},{"type":"paragraph","children":[{"type":"text","text":"2、电子琴入门","id":""},{"type":"external_link","attrs":{"url":"https://www.bilibili.com/video/BV1Ct4y1v7Ac/?zw"},"children":[{"type":"text","text":"https://www.bilibili.com/video/BV1Ct4y1v7Ac/?zw","id":""}],"text":"","id":""}],"text":"","id":"LyuSds6qUooyegx4L6xciUoynyh"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"如何选择老师","id":""}],"text":"","id":"LMw0dCQSwoIQk6xi8jzcVh1kndc"},{"type":"paragraph","children":[{"type":"text","text":"学习电子琴如果有老师的指导会简单很多,而且遇到难题也可以随时请教老师,那么我们应该怎么选择老师呢?","id":""}],"text":"","id":"PYM2d0w80oeyeqx81pFcnNA3n8c"},{"type":"paragraph","children":[{"type":"text","text":"选择老师需要注意以下几点:","id":""}],"text":"","id":"BciCdaKOKoc8ImxC4XkcI6hinuf"},{"type":"paragraph","children":[{"type":"text","text":"1、口碑;","id":""}],"text":"","id":"C6WedM2gWoYGIexgDh9ciCg9ngd"},{"type":"paragraph","children":[{"type":"text","text":"大家选择老师的时候还是要注重口碑的,如果身边有周围的朋友在学习电子琴,我们不妨参考一下朋友的意见,老师的口碑如果好了,一般教学质量都挺不错的。 ","id":""}],"text":"","id":"FCuSdOGiOoYQ8uxu2A5ceAYUn6d"},{"type":"paragraph","children":[{"type":"text","text":"2、要去试听课;","id":""}],"text":"","id":"UeuCdgESSoQQOcxO93FcFbHSnib"},{"type":"paragraph","children":[{"type":"text","text":"电子琴课都是可以提前试听的,我们可以参加基础的试听课程,如果你认为老师讲的可以很轻易的听得懂,而且讲的有非常详细,老师人也比较好,那么就可以考虑选择这个老师。 ","id":""}],"text":"","id":"NiEQdmsYAoqEQYxojpMclOjMnld"},{"type":"paragraph","children":[{"type":"text","text":"3、学历;","id":""}],"text":"","id":"CqKed4cMmosS42xOYrOcF2EPnBd"},{"type":"paragraph","children":[{"type":"text","text":"老师的学历也是比较重要的,我们在选择老师的时候我可以咨询一下老师是哪里毕业的,如果老师是正规的音乐学校毕业的,那么他学习的知识会更加系统,在教我们的时候条理会特别清楚。","id":""}],"text":"","id":"QCAcdKWSWoIUWqxmCt6cukrJnUf"},{"type":"paragraph","children":[{"type":"text","text":" 4、专业性。","id":""}],"text":"","id":"Z2YUdYMQEoAuKqxa6l8c1hx5nrf"},{"type":"paragraph","children":[{"type":"text","text":"学习电子琴还是非常需要老师的专业性的,老师水平比较高,比较专业,那么我们的学习质量也会更加的高。","id":""}],"text":"","id":"O820dCqIyoAo8OxWiq6cGE9Jnqh"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"日常使用方法","id":""}],"text":"","id":"NgCqdaiCeo4aySxmQCichaQFnQb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"开机","id":""}],"text":"","id":"XSEeda8MkoiIc0x8lKjcPzOmnQf"},{"type":"paragraph","children":[{"type":"text","text":"第一、将电源适配器连接到电子琴电源接口。","id":""}],"text":"","id":"Ng2Sd8GYAoSWwGxGGOgcglgDnnb"},{"type":"paragraph","children":[{"type":"text","text":"第二、将接好电子琴的电源适配器插入电源插座上。","id":""}],"text":"","id":"QQiydESOAoqSwoxUXlhcE2nvnXg"},{"type":"paragraph","children":[{"type":"text","text":"第三、开启电子琴电源开关。","id":""}],"text":"","id":"TY86d0u4aoEO8wxAvmFcCMSunkd"},{"type":"paragraph","children":[{"type":"text","text":"第四、将主音量开关调整所需音量大小即可。","id":""}],"text":"","id":"FEAAdQoe4og6iExM7c3cvXOwnmg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"关机","id":""}],"text":"","id":"BkuWdQcaQo6UksxgfTtctrz3nEd"},{"type":"paragraph","children":[{"type":"text","text":"第一、将主音量开关调整到最小位置。","id":""}],"text":"","id":"VSw0dGCu0okY24xMTJNcYZICnyg"},{"type":"paragraph","children":[{"type":"text","text":"第二、关闭电子琴电源开关。","id":""}],"text":"","id":"LGwwdUey2oGkCixQfAPce4B6nSg"},{"type":"paragraph","children":[{"type":"text","text":"第三、从插座上拔下电源适配器即可。","id":""}],"text":"","id":"IwY8dWwagowm2IxcZ7hcq5LJnKb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"日常保养","id":""}],"text":"","id":"A4M4dQ0wcoOOEcx6Gpxcu9b2nWf"},{"type":"paragraph","children":[{"type":"text","text":"第一、清洁电子琴时,请务必使用干燥柔软的布擦拭琴键,不要使用油漆稀料、有机溶剂、清洁剂或化学浸渍擦拭布擦拭电子琴及其琴键。在练琴前,请应按照正确的开机方法开启电子琴。","id":""}],"text":"","id":"IUSadKWgIokWmCxqAnCcwYuEnWe"},{"type":"paragraph","children":[{"type":"text","text":"第二、在平时练琴的时候,不要把饮料、橡胶制品、塑料等放在电子琴上面,否则会造成电子琴短路或琴键、面板的褪色等问题。","id":""}],"text":"","id":"GkaGd8ASAoY8oUxcTwbcGUMHnnb"},{"type":"paragraph","children":[{"type":"text","text":"第三、练琴结束后,应按照关机的方法关闭电子琴,并将琴罩盖在琴上。电子琴上不要放置重物,并且在操作开关按键及插拔电源线时,不要用力过猛。","id":""}],"text":"","id":"RuYodqCsSoeUaAxGSZ3cJpyznGc"},{"type":"paragraph","children":[{"type":"text","text":"第四、将电子琴安装在雅马哈指定的琴架上,一定要使用附带的螺栓,以防止损坏电子琴内的部件或导致电子琴从琴架上坠落。 不要将电子琴放置于尘土过多或震动的地方,或过冷过热处,以免面板褪色或内部元部件损坏。","id":""}],"text":"","id":"L0gyd42Y4ocu88xorZVcWXw2nHg"},{"type":"paragraph","children":[{"type":"text","text":"第五、不要将电子琴放置于电视、收音机或立体声音响、手机等电器设备附近,以免上述设备产生干扰噪音。","id":""}],"text":"","id":"FUwkdgUgUo6cYqxslvWcSgU0nFf"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"BIYIdkCaKoKEu0xG6a6cEn33n4b"}]%3C%2Fhowto_content%3E

9. gmy6a变速箱

热水器已成为生活中重要的一部分,给人们的生活带来极大的方便。但由于元器件自然老化、操作者的熟练程度、工作环境和工作强度等诸多因素常引发各类故障。接下来就为大家介绍如何维修热水器的问题。

电热水器

工作原理

电热水器具有结构简单、价格低、热效率高、无污染、使用方便等优点,使用寿命一般为15年左右,主要有贮水式和速热式两种。由于速热式电热水器功率高达3kW以上,且易漏电,很少有人问津;贮水式一般功率在1~2kW之间,安全方便,受到消费者喜爱。

一、贮水式电热水器

贮水式电热水器一般由箱体系统、制热系统、控制系统和进出水系统四大部分组成。下面为部分国产名牌电热水器的结构示意图。

1、箱体系统

箱体系统由外壳、内胆、保温层等构成,起到贮水保温的作用。

(1)外壳

外壳是电热水器的基本骨架,大部分部件都安装或固定在上面,所用材料有塑料、彩板、冷轧板、喷粉等几种。

(2)内胆

内胆既是盛水的容器,又是对外加热的场所,其寿命决定于内胆的材料和制造工艺。常见内胆材料有镀锌铁板、不锈钢板和钢板内涂搪瓷三种。

(3)阳级棒

贮水式电热水器中的阳极棒是一根金属镁棒,主要用来保护金属水箱不被腐蚀和阻止水垢的形成。

(4)保温层

外壳与内胆之间的保温层,起减少热损失的作用,一般采用聚氨酯发泡、玻璃棉、石棉、纤维、毡和软木等。为增强保温效果,现多采用高密度聚氨酯发泡材料充填的新工艺,充填扎实,密封保温性好,即使12h不通电,水温也仅下降2℃左右。

(5)炉膛

炉膛用于安装加热体和限温器,是由炉膛底盘、炉膛管、炉膛帽、温控管、螺孔柱焊接而成。螺孔柱经钻孔攻螺纹,用于安装镁棒。

2、制热系统

电热水器采用的电热元件多采用管状结构,为提高热效率,直接放在水中加热,形状可根据内胆结构弯成U形或其他形状,金属护套管常见为不锈钢管或铜管。电加热管在通电后,其内部高电阻电热合金丝发热,通过金属管内的绝缘填充料导热至金属套管,起加热作用。

电加热管使用时间一长,在电加热管表面容易结污垢,不仅影响发热效果,而且会产生漏电现象。为此海尔、小鸭、东宝等厂家,将热水器部分产品的电热元件改为高压耐热的陶瓷发热器,如图所示。间接加热内胆中的水(通电后,首先预热周围的空气,然后通过钢板对水加热),使水电分离,不仅无漏电之忧,且可超快速加热。

3、控制系统

电热水器的控制系统主要包括温控器和漏电保护器。

(1)温控器

电热水器中使用的温控器主要有双金属片温控器、蒸气压力式温控器和电子温控器。

(2)漏电保护器

在电热水器的漏电保护器中、将15mA确定为危险电流,超过这一数值时漏电保护器动作,正常的动作范围为15~30mA。

海尔电热水器选用的是进口漏电保护器,动作值为15mA,动作时间为0.1s。小鸭等品牌电热水器电源线带有先进的电子控制漏电保护插头,其技术参数为:额定电压220V(5OHz),额定电流10A,漏电动作范围5~10mA,漏电动作时间≤50ms,最大分断能力300A,最大负载功率2200W。

4、进、出水系统

进、出水系统由进、出水管,混合阀、安全阀和淋浴喷头等组成。

(1)混合阀

混合阀的结构如图所示。由图可知,热水器内胆出水管、混合阀、喷头和大气相通,不受混合阀冷、热阀门控制胆内压力,故称为出口敞开式。

单独打开右侧红点热水旋阀,自来水经出水管、混合阀、喷头流出,出热水,出水压力由热水阀控制;单独打开左侧蓝点冷水旋阀,自来水直接经混合阀由喷头流出冷水,出水压力由冷水阀控制。当同时打开冷热水阀门时,冷水和热水在混合阀出水口混合,适当调节冷热水阀门大小,可得到所需水温。

(2)安全阀

在自来水压力突然增高或加热水温过热,造成内胆压力超过规定耐压值时,安全阀会自动排压,以保护内胆。在加热过程中,安全阀会有缓慢的滴水现象,不是故障,是一种正常现象。

5、工作原理

贮水式电热水器的加热分单加热器加热和双加热器加热两种。前者,--般用在容积不太大的热水器中;后者、往往用于容积较大的热水器中。

二、速热式电热水器

快速热水器一般在接通电源、开启水阀后,仅需十几秒就会有充足的热水源源流出,因此也称流动式或即热式电热水器。

1、基本结构

快速热水器主要由外壳、内腔、电热元件、压力开关和温度控制等部分组成。

2、工作原理

(1)腔体式

打开进水阀门,水流入腔体。当水充满腔体后,在水压和重力作用下,使橡皮膜下凹,从而带动通过膜片中心的通水管子上端,使触点闭合接通电源,这样电阻丝通电发热,被加热的水沿通水管上开有的小孔流入管内,再经过莲蓬头喷射出来,供人们使用。当停止进水时,靠橡皮膜弹力恢复使触头断开,从而切断电源。

(2)水槽式

在未接通水源时,压力开关处于常态(触点断开),微动开关s不动作,从而继电器线圈不通电,这时整机不工作。接通水源后,因水压升高,这时压力开关触点动作,继电器KA吸合,主电路触点闭合,指示灯HL点亮,这时只要将转换开关(功率调节器)根据需要调节在适当位置,电热元件即可工作,就会有热水从莲蓬头中源源不断流出。

常见故障分析

一、电热水器检修工艺

下面以海尔电热水器为例,对电热水器的检修工艺过程介绍如下:

1、电源检查

用万用表交流电压档(~500V档)测量插座零线和火线,零线和地线是否接通,若不通为正常;反之,则电源不能使用,应修复。

(万用表使用方法图解)

2、故障检修程序

接通电源,可能出现两种情况:指示灯亮或指示灯不亮。

(1)指示灯亮:待半小时左右,水温升高10℃左右,说明热水器正常;若水温不升高,由灯亮可知,漏电保护器、超温管均正常,故障在加热器。断电后,检测加热元件,若电阻为无穷大,应更换。

(2)指示灯不亮:若灯坏应更换;灯好时,应检查温控器、超温管、加热器和漏电保护器以确定故障所在。

①对可调温型温控器,用万用表R×1档测量,在关断位置电阻为无穷大;在不同温度控制点应有不同电阻值与之对应;温控器在未动作时,触点为闭合状态,电阻近似为0,否则说明温控器损坏,应更换。

(万用表测量温控器图解)

②超温管在正常状态下,电阻为0,否则已损坏,应更换。

③用万用表检测加热器,电阻约24~48Ω,若为无穷大时,应更换加热元件。

④检查漏电保护器,应将漏电保护器打到合闸位置,灯亮,水温升高为正常;有时漏电保护器误动作,应注意观察,找出误动作原因。

(漏电保护器“合闸”状态)

若漏电保护器合不上闸,应用万用表R×100档依次检测超温管、温控器和加热器的对地电阻,表针指向∞位置为正常,表针指向0为漏电,找出漏电元件进行更换,若无漏电元件,说明漏电保护器已损坏,更换新的。

(漏电保护器“跳闸”状态)

3、安全性能测试

(1)漏电测试:重新合闸,按“试验”按钮应跳闸,漏电保护器为正常,再“合闸”灯亮。若热水器无漏电保护器,用万用表电阻档测量插头的火线与地线、零线和地线,若指示为无穷大,说明无漏电现象。

(2)泄漏电流测试:泄漏电流不应超过规定的数值,海尔小海象为0.5mA/kW,大海象、金海象为0.3mA/kW,

(3)绝缘电阻用兆欧表测量应大于50MΩ。

(4)电源的接地端与电热水器易触及金属部件之间的接地电阻应小于0.1Ω。

安全性能测试合格后,才能按工艺要求将电热水器重新安装好,投入使用。

二、电热水器常见故障分析

1、出水不热

(1)冷热水调节不当:这是由于热水阀开得太小,冷水阀开得太大造成的。应适当调节冷热水阀的开度,使出水温度适合使用。

(2)电源未接通:调整电源插头或开关,使其接触良好。若采用的是漏电保护插头,应将其“复位按钮”按下,排除以上故障若仍不能接通电源,应拆开电热水器仔细检查回路是否有导线脱落、断开等情况,若有,应及时排除。

(3)电加热器损坏:用万用表电阻档测量电热元件电阻值,正常情况下,1kW电热水器,电阻为49Ω左右;3kW,16Ω左右。功率不同的电热水器,其电热元件的阻值不同。若电阻为无穷大,说明电热元件损坏,应予更换。

(4)温控器损坏:当温控器触头接触不良或感温体内感温剂泄漏时,可引起温控器不能正常工作。对于前者可拆开压力式温控器进行修复;对于后者只好更换新的压力式温控器。

2、出水温度太高

(1)冷热水调节不当:适当调节冷热水阀的开度。

(2)温控器旋钮调节不当或触点粘连:将温控器旋钮调至温度较低处;对触点粘连的,可将温控器拆开,将粘连触点分开,并对触点进行研修、调整,经调整后,一般即可使用,必要时可进行更换。

(3)限温器失灵:检修限温器。

3、漏水

(1)管道连接处漏水:对接口密封不好造成的漏水,应重新安装接口;若属自来水压太高,应在自来水道上设置减压阀。

(2)安全阀接口漏水:是由于安全阀松扣或密封不好造成的,应重新拧紧和密封。

4、出水带电

(1)出水口接地失效:重新接好接地线,保证接地电阻小于0.1Ω。

(2)水中分布电流大:用细钢丝编织成网,包在出水口上,并与接地线良好接触。

(3)电热元件绝缘损坏或失效:更换电热元件,更换时要保持电气接触良好,有关密封部分不漏水。

(4)内部导线绝缘层损坏,搭接在外壳或内胆上:拆开电热水器,检查出导线绝缘层损坏的部分,进行更换。

5、进水困难

(1)脏堵:主要是由于自来水水质不好,杂质超量,堵住进水口的逆止阀。设有进水滤网的热水器大都是滤网孔被堵。在确定水压正常后,关闭自来水供水总阀,清理管路,冲出胜物或清洗滤网。

(2)汽堵:常见于密闭水箱贮水式电热水器中。其特征是:热水阀打开后,喷出大量水蒸气,此时应将调温器调到最小位置或切断电源,先将蒸汽从热水阀排出,然后打开冷水进水阀,使热水器排水,降低水温,再检修温控器;若热水阀打开后,热汽断续流出,量很小,一般是脏堵造成的。此时应开大热水阀和冷水进水阀,以降低水温,待水温降低后,检查热水阀是否脏堵,洗净后冷水便会从热水阀流出。

(3)供水压力不正常:当供水管路因水压下降,供水压力低于贮水压力,逆止阀不能被顶开,会造成进水困难。这种故障,待水压正常后,故障即自行消失。

保养

使用一段时间后,应取下喷头,按安装方法进行冲洗。长期使用后,若升温慢,应检查电热元件是否结垢,若结垢,可用去垢剂清除水垢。

若漏水,应更换相应的橡胶密封圈。

若加热时蒸汽冒出,则表明恒温器失效。或感温头脱出,应关闭电路,经检查修复后再用。

加热时因水的膨胀,喷头有时会有少量热水溢出,这属正常现象,不必过分用力拧紧热水阀,以免加速损坏密封圈。

自来水阀可使用不带手轮的阀门或者安装好后取下手轮,以防误关此阀,导致水箱缺水而烧毁电热丝。

燃气热水器

结构

目前,家用快速燃气热水器常见为壁挂式,适合淋浴使用,主要由水路系统、燃气系统、热交换系统、排烟系统和安全装置五大部分组成。其结构示意图如下所示。

(1)水路系统主要包括进水阀、水膜阀等,其中水膜阀是关键部件,起控制水气联动装置的作用,当水源切断后立即切断燃气;水阀是控制冷水进入热水器流量大小的装置,水阀燃烧器在同样工作状态下,流量大的,输出热水温较低,反之则水温升高。

(2)燃气系统主要包括燃气调节阀、水气联动阀、常明火、主燃烧器。其中主燃烧器是热水器供热的主要部件;水气联动阀是由水流的压力差控制气阀的开启以防止空烧。燃气调节阀可调节进入主燃烧器气量,以达到调节水温的目的。

(3)热交换系统主要包括腔体、集热片和弯管。

(4)排烟系统包括热水器外壳、排气烟管和排烟口等。燃烧后的烟气,须经过排烟系统排出。

(5)安全装置主要包括由热电偶和电磁阀组成的熄火保护、缺氧保护、水气联动阀防止空烧、排水阀防止过水压和冻裂。

下面重点介绍燃气热水器主要部件结构原理。

一、点火装置

点火装置的作用是点燃小火(常明火)并保持其燃烧。当按下点火按钮时,小火管有燃气流出,此时点火器工作,点燃旁边的小火。燃气热水器的点火方式主要有压电陶瓷点火和电脉冲点火两种。

二、水气联动阀

水气联动阀是保证燃气热水器安全使用的重要部件,其主要作用是:当水压足够,水在热交换器中流动时,燃气才能进入主燃烧器进行燃烧;而当水流停止或压力不足时,自动切断燃气供给,以防因缺水面燃坏热水器。

三、燃烧器

1、常明火为点燃主燃烧器作准备,常明火有单独的燃气通路。同时常明火加热熄火保护装置中的热电偶,使电磁阀开闭燃气阀门。当由热电偶或双金属片构成的熄火保护装置一旦检测到常明小火熄灭,熄火保护装置将自动切断气源。

常明火点火管一般用铜管或不锈钢制成,为保证燃烧的稳定,大多采用大气式燃烧方式,即燃烧前预混一部分空气,由于这种燃烧方式火焰短而稳定,用它加热热电偶或热双金属片时,热量集中,不易产生误动作。

2、主燃烧器是燃气热水器提供热源的主要部件,热负荷较大,火力强而且集中,火焰高度实短不宜长,一般采用大气式燃烧器来满足要求,而且大多不设一次调节装置。

四、热交换器

燃气热水器的热交换器主要有两种类型,板管式和翅片管式。由不锈钢或导热性良好的紫铜片、紫铜管制成。

五、熄火保护装置

熄火保护装置的主要功能,是在燃气热水器的点火燃烧器(又称常明火)因故熄火后,在数密封秒钟后能自动动作,关闭燃气阀门。有机械和电磁两种结构形式,分别称为双金属片和热电偶熄火保护装置。

六、缺氧保护装置

此装置上有两只热电偶,正向热电偶与熄火安全装置热电偶基本相同(参数为:25℃内阻为(8.8±2)MΩ,700℃热电势20mV);反向热电偶由两根裸露电偶丝组成,材质与正向热电偶相同,但它的工作温度较低,氧化作用不很明显,它的安装位置是保证热电偶正常工作的重要条件(参数为:25℃内阻18±2MΩ,700℃热电势6mV)。

在使用过程中,周围环境氧气含量不足或换热器栅板阻塞时,会造成燃烧器不完全燃烧,这时燃烧器火焰拉长,火焰温度降低,两只热电偶产生的电势差较少,当环境氧气含量低于18%时,此装置动作,关闭燃气气路,避免造成二氧化碳中毒事故,此装置使用寿命大于6000h,使用次数大于100000次。

七、防空烧(过热)安全装置

此装置所用传感器为正温度系数的热敏电阻。当燃气热水器出现空烧时,因热敏电阻此时已呈“高阻”状态,使通过电磁阀电流很小,在弹簧力作用下,铁心与衔铁分离,关闭燃气气路。

八、电磁阀

在燃气热水器安全装置中,燃气气路的通、断是由电磁阀控制的。

九、水温调节装置

调温轴(水阀芯)的控制原理是通过调节水量增减,来达到调节水温目的。例如,欲提高淋浴水温时,将调温轴调向“高温”位置,实际上是关小水阀芯的开启度,使进水量减少,则出口的温度则会增加。

十、燃气泄漏报警装置

当燃气热水器或配套设备发生燃气泄漏时,通过气敏传感器检测出一定浓度的燃气,发出声光报警信号,提醒用户排除故障或停止使用,避免造成火灾或中毒事故。先进的泄漏报警装置,在报警的同时自动开启风机通风换气,迅速排除室内燃气,防止事故的发生和扩大。

工作原理

打开燃气气阀,燃气进人阀门内,按动点火按键,点火微动开关、快速微动开关启动,点火头产生连续电火花,电磁阀线圈强行通人吸合电流,由气阀杆推动,电磁阀被吸住,气路打开,燃气从点火燃烧器和长明火燃烧器流出,被点火器的连续火花点燃,经常明火火焰加热的熄火保护装置的热电偶产生热电势,在强制吸合电流断开时,保持电磁阀处于吸合状态。点火键复位,并关闭与点火键连动的点火器阀门,此时点火器的火焰熄灭,仅保留常明火焰,这样,燃气到达水气连动阀的气阀前面。

打开水龙头,冷水进入水气连动阀的水阀内,经调温旋钮进入热交换器,同时有一部分水从调温旋钮分流,进人混合管,因水气连动阀内的膜片受水压作用,推开水气连动阀的气阀。燃气经燃气调节阀、燃烧器调节旋钮,从主燃烧器流出,被常明火点燃。流向热交换器的水,被主燃烧器的火焰加热成热水,经混合水管的冷水混合,就可从供热水龙头流出适合使用的热水。

当关闭出水口时,水气连动阀内的压差消失,从而关闭了水气连动阀的气阀,主燃烧器的火焰熄灭,热水停止流出,按下熄火键,点火键复位,关闭主气阀,常明火熄灭。此时熄火安全装置的热电偶的热电势下降,电磁阀关闭。

下图为沈乐满牌SR-5型后制式燃气热水器电气原理图,供参考。

故障检修

一、常见故障分析

1、打不着火或打火困难

(1)刚打开气源时,由于气管内空气尚未排空,短时间内难以打火,只要多打几次,让气管内的空气排空后,便能成功点火。

(2)喷嘴堵塞:在打火时有火星,而无法点燃火种,表明喷嘴有堵塞,此时只要将喷嘴进行清理即可。

(3)点火针破裂或松动:多数热水器点火针绝缘体是用陶瓷制作的,若陶瓷破裂或点火针松动,就会造成没有对着火种进行点火,打不着火。此时应更换点火针或对点火针进行调整位置。

(4)压电陶瓷失效手动式热水器一般是采用压电陶瓷点火,若点火时无点火火花,通常是压电陶瓷损坏造成的,应及时进行更换。

(5)水动式热水器电磁阀损坏,点火时,有火星而点不着火,此时先检查电磁阀接线是否良好,若未发现接线不良,应更换电磁阀。

(6)水动式热水器点火时无火星此时按顺序检查电池是否有电或装反,电池盒是否有接触不良,微动开关是否损坏,电脉冲发生器和接线是否有故障。排除故障后即可点火。

2、中途燎火

(1)热电偶与电磁阀接触不良或失效:若在热水器使用过程中,偶然中途熄火,说明热电偶与电磁阀接触不良,此时应紧固两者的联接螺母;当热水器打火后,中途熄火的时间都较接近时,表明热电偶已开始失效,应尽早更换。当热水器每次中途熄火的时间不规则时,表明火种与热电偶的位置不太准确,应调整。

(2)燃气气压不稳定:适当调整气源压力或清洗火种喷嘴。

(3〉保护装置动作:当直排式热水器使用时间过长,且室内换气较差时,或热交换器(水箱)长期没有清洗而造成严重积炭,保护装置便会自动关闭气源,导致熄火。对于前者,需打开门窗,使室内空气流通,对于后者需定期(每年1~2次)清洗热交换器。

(4)水动式热水器离子感应针被污染:若每次使用时,都要打2~3次火,应对感应针进行清洗,若经清洗,还有同样的问题出现,说明感应针的材质或电子点火器质量不良,应及时更换。

3、漏气

漏气主要是由于密封用的密封圈破损老化或配合不严造成的。

(1)进水接头安装不良而漏气:重新安装平面胶圈,上紧并紧固气接头。

(2)气阀体上联接面漏气:更换密封胶圈。

(3)气阀芯上的润滑脂干而漏气:清洗气阀芯,重新均匀涂上润滑脂(二硫化钼),以确保气阀芯不再漏气。

4、漏水

(1)防冻排水阀经多次拆装,密封胶圈裂损造成的漏水,应更换胶圈,并注意平日装拆不应用力过大。

(2)水阀芯胶圈因长期使用磨损严重造成的漏水,只要更换胶圈便可正常使用。

(3)水阀顶轴胶圈处比较容易漏水,若是水动式热水器,水会直接流到微动开关处造成打不着火,因此胶圈磨损,应及时更换。

(4)连接热水器的冷、热水软管和淋浴器的漏水,较易发现,经简单维修或更换便能使用。

(5)供水压力过高,可更换高压热水器或在进水阀前加装节流阀。

(6)热水器“空烧”造成漏水。这时,关闭热水器水阀时,主燃烧器不熄灭,造成“空烧”或回火,易烧化焊锡,严重时烧穿紫铜管,造成漏水,此故障应更换热盘管。

5、产生红火或冒黑烟

(1)燃烧器内存污物:将细铁丝尖部弯曲,从引射口处插入燃烧器内,反复旋转,进行清理。也可将燃烧器拆下来,用水冲浇。

(2)燃气压力不足:应设法提高其供气压力。另外,有时因天气潮湿,也会产生红火,待天气好转时又恢复正常。

(3)气路不畅造成缺氧:清理气路中的异物,并开机(换气扇、排风扇、开窗等)通风。

6、出水温度过低

(1)供气压力不足:这是造成出水温度过低的主要原因,应调整减压阀。若是管道燃气,可通知供气部门调整;若是热水器流量大,使供气管或煤气表负荷满足不了热水器的耗气量,应更换较大的煤气表或更换流量较小的热水器。

(2)喷嘴堵塞造成火焰变小:清理喷嘴。

(3)水阀橡胶膜有小的破裂:使水气联动阀门开度不足,造成燃烧火力不强,出水温度过低。应更换橡胶膜。

(4)部分地区水压较大,使水流经热交换器时间较短,出水温度过低,应适当调小水量。

7、火种留不住

(1)火种供气管堵塞:当点燃火种时,手松开也不见火种,尔后能听到电磁阀释放声,说明火种供气管堵塞,对此可进行疏通。

(2)热电偶或电磁阀损坏:检查时,按下点火按钮,不见火种,也听不到电磁阀动作声,说明热电偶或电磁阀损坏。电磁阀的损坏一般是线圈断路,可用万用表检查。若电阻为无穷大,对此可进行更换;对热电偶应检查连接导线有无断路,再检查热电偶是否移位,并擦净表面氧化物;最后检查热电偶是否失效,方法是:将热电偶从固定夹中卸出悬空,用万用表pA档串入,用打火机给热电偶加热,15s后若电流很小(接近为0),说明热电偶失效,应更换。

(3)热电偶性能变差:点火按钮松开后有火种,但不久会自动熄灭,是因热电偶性能变差引起的,这时可将热电偶调到最佳受热位置,一般就可排除,必要时,更换热电偶。

8、主燃烧器不能点燃

(1)水压不足:引起水压不足的原因,一是当地水压不足,二是杂物堵塞水道。对于后者可清理过滤网内的杂质。

(2)主燃烧器的燃气管道被堵塞:进行疏通。

(3)水气联动阀的隔膜室隔膜穿孔:隔膜穿孔后,无法推动顶杆打开主燃烧器的燃气阀塞。修理时,拆开阀体,拆下膜片上的铜螺栓和垫片,更换同规格的新隔膜。

(4)水气联动阀的铜顶杆长期与水、燃气接触,造成氧化折断:更换新配件,也可用不锈钢材料按同样规格制成顶杆进行更换。

(5)隔膜室螺钉松动:松动后,造成隔膜室漏水,水压下降,顶杆无法打开燃气阀塞,对此可紧固隔膜室螺钉。效果不好时,可拆开隔膜室,在接合面周围涂上一层粘补胶,然后再紧固螺钉,干燥固化后即可使用。

(6)隔膜室中的压差平衡弹簧折断:更换新配件。

9、随着“叭”的一声响,全机熄灭

(1)点燃正常10s后出现声响和熄灭﹑这多是热电偶损坏造成的。检查时,用气体打火机燃烧热电偶尖端,用万用mV档测量两端电压,正常为20mV左右,若为0,说明热电偶损坏,应更换。

(2)正常使用10min后,出现声响和熄灭,这多是缺氧造成的,应及时补充新鲜空气。

10、关闭热水阀后,主燃烧器熄火

(1)燃气阀塞被水气连动阀顶杆卡住,打开水气连动阀,清理阀内顶杆表面的水锈,涂上润滑油,重新装好。

(2)压差平衡器的眼孔被管道内异物堵塞拆开阀壳,疏通眼孔。

11、热水水流不畅、水温偏高

(1)水温调节旋钮使用不当:检查水温旋钮是否置于需要的位置上,位置有误时,应予纠正(温度“最高”为水流最小,温度“最低”为水流最大)。

(2)水温调节失控:若是旋钮错位引起阀芯开度和指示温度不一致,应及时调整,必要时更换滑牙的旋钮;水温控制阀阀杆和阀芯密封件老化损坏时,会引起水流不畅,应更换密封件。

12、炮火保护装置失灵

(1)热电偶的探头和点火燃烧器的位置不当:调整时,可稍松一下固定热电偶探头的螺钉,将探头移至点火燃烧温度较高的位置,进行反复点火试验,直至电磁阀吸合,再将紧固螺钉拧紧。

(2)热电偶与电磁阀之间的连接螺母松动:将松动的螺母拧紧即可。

(3)热电偶损坏:若热电偶断线或发生在热点上的短路,一般是无法修复的,应进行更换。方法是:拧开与电磁阀连接的螺母,并松开探头在点火燃烧器旁的螺钉,拆下热电偶。更换新热电偶时,先将它与电磁阀连接的螺母拧紧,再将偶线弯成需要的形状.将探头固定在点火燃烧器附近温度较高的位置,装好后进行点火试验,确认电磁阀动作后,再进一步拧紧螺钉、螺母。

(4)电磁阀吸合电流变大:这多是由于衔铁极面被气源腐蚀和污染造成的。电磁阀吸合时间,刚出厂时,5s即可吸合。使用中的燃气热水器,电磁阀若在点火后30s还不吸合,就应进行去污或更换处理。

(5)电磁阀线圈断、短路或衔铁移位:这类故障,一般很难修复,应更换同型号电磁阀,更换方法见前。

13、调节水温的方法

(1)调节进气阀控制燃气进量,可调节水温。

(2)调节水温调节器,可控制出水温度。

(3)调节自来水阀控制最大水流量,可调节最低温度。

(4)水气连动阀还有自动控温的作用。

14、水垢的清除方法

水垢产生后,会使热水器热效率降低,同时还会使热水器管径变小,热水产率下降,水温过高,甚至会产生局部堵塞。为此应一年左右清洗一次,清洗的方法很多,下面仅介绍一种简单实用的方法。

(1)买一袋铝壶―次清除水垢剂,将其倒人约1.2L饮料瓶中,并加人约1L温水,搅拌均匀。

(2〉按图所示连接好。打开水温开关,用手挤压饮料瓶,待除垢液进入热水器,并从进水管流出时,关闭水温开关。

(3)点燃热水器常明小火,对除垢液加温,待10~15min后,关闭常明小火,打开水温开关,将饮料瓶中剩下的除垢液全部流入热水器并从进水口排出(可重复几次)。

(4)卸下饮料瓶,接好进水管,打开冷水阀门,用清水将热水器管道内残余的水垢及除垢液冲洗干净即可。

15、水动式热水器有水流出,但不点火

水动式热水器是在打开进水阀门或热水阀门时,热水器便会自动点火,数秒钟后便有热水产生。当有水流而不点火时,其故障原因是多种多样的,可以按以下步骤进行检查并排除故障。

(1)打开水源开关,查看指示灯是否有亮,如果红色亮,表明电池已达到无电状态,需更换电池;如果绿色亮,但无“嗒,嗒,嗒”响声及点火火花,表明点火器高压包烧毁或高压线脱落,应重新连接高压线或更换点火器;如果指示灯不亮又无点火火花出现、应检查有没有安装电池或电池是否装反,如果电池安装正常,则需检查电源连线是否可靠,发现情况应及时排除。

(2)当所有电导线未发现异常时,先检查微动开关〈有的热水器用水动磁控开关),用手按动微动开关或直接用导线(或旋具)进行短路连接,此时如果有点火动作,则证明是微动开关故障或开关拨片位置不对,应予以更换或调整。如果按动或短路微动开关,均无点火动作,则是点火器的故障,需更换点火器。

(3)当打开水源开关后有点火火花而没有着火时,应先检查点火针位置是否对准燃烧器,然后再检查电磁阀的连线连接是否良好,同时可根据该热水器的用电池情况,对电磁阀接入3V(或1.5V)的直流电压,查看燃烧器是否着火,如有着火,则表明点火器输出电流不足,需更换;如未有着火,则表明电磁阀有故障,也需更换。

(4)如果上述几种方法都无法查出原因时,就要检查其他的安全保护装置,例如,过热保护装置是否熔断或开路;防止不完全燃烧装置的热电偶是否反接或开路;水气联动装置是否活动自如(反复开、关水源、微动开关拨片应左右移动,如果不动作则是水阀膜片穿孔或联动杆卡死等)。

(5)在各项检查前应先检查气源是否开启,连接气源的气管是否折叠或太长,如果气管太长,应先多点火几次,让气管内的空气排空后,方可点火成功。

16、开水不着火或低温时熄火

(1)水压偏低因水压低,而无法打开水气联动阀,燃气就无法出来被点燃。

(2)水阀的橡胶薄膜破损、变形或偏心更换橡胶薄膜。

(3)进水管滤网堵塞、淋浴喷头堵塞以及水阀内的文氏管松动︰平时必须经常清理。使热水器保持较佳使用状态。

17、开水熄火或未开水着火

(1)冷热水阀门漏水或关闭不严,使热水器内有一定水压,打开水气联动阀而造成此故障更换或关严冷、热水阀门。

(2)水气联动阀内顶杆被卡死,或长期停用顶杆被粘着,胶圈变形造成顶杆运动缓慢而不熄火拆下顶杆清洗,并加润滑油。

(3)水气联动阀的气阀门弹簧器日久弹力不足更换弹簧。

(4)水阀进水管因无滤网,造成杂质卡死水阀顶轴而不炮火﹑先清洗干净水阀内部,再在进水管补加滤网,以保证水质干净。

二、故障代码与解决方案

现在很多产品都自带有自检功能,会根据提示告诉你产品出现了什么问题,让用户能快速找到问题,并且解决问题,相当的智能化人性化。

保养

一、使用时应经常检查常明火是否正常工作,有无阻塞;如火焰微弱,应立即关闭燃气气源开关,待清除垢物后,再行点燃。

二、热水器使用一段时间(一般为半年左右)后,应对水管、燃气管、容积式热水器的水箱等进行除垢,以防过滤网(见下图)被堵。水箱有沉积物,会影响热水器的正常使用。

三、每隔数月,应清除热水器排气口、进气排气筒、热交换器及周围积炭和灰垢。如果发现大量积炭或有许多阻塞物时,可将热水器卸下,倒过来轻轻清除,也可用自来水冲洗,冲洗时严禁将水溅到燃烧器喷嘴和常明火上,待干燥后再安装使用。

四、一般情况下,热水器使用一年后,应对其做一次全面检查,查清供气和供水系统的各个装置是否完好、正常,有无漏气、漏水等异常现象。

五、如使用的水质较硬,应在热水器的前端装配一水质软化装置,并及时清除热交换盘管(即蛇形管)或水箱的水垢。

六、经常擦试外壳。

太阳能热水器

结构原理

太阳能热水器一般由集热器、贮热装置、循环管路、辅助装置及淋浴喷头等部分组成。

一、集热器

集热器是太阳能热水器的关键部件,其性能好坏,对热水器的性能起着决定性的作用。按收集太阳能的不同原理,可分为平板型集热器和聚光型集热器两种。聚光型集热器只能聚集太阳的直射辐射能,需要对太阳进行跟踪,增加了装置成本,只有在需要附到较高温度等特殊场合使用;平板型集热器是目前应用较广泛的一种,它不仅能吸收太阳的直射辐射,还可以收集太刚的散射辐射。

二、贮热装置

贮热装置通常作为短期贮存热水、减少热损失的容器,贮热效果主要取决于装置保温性能的好坏。

三、循环管路

循环管路的作用是连通集热器、贮热水箱,形成一个完整的循环加热系统。

四、辅助装置

辅助装置的作用是使整个热水器装置能正常工作,并通过仪表加以显示。辅助装置包括水位显示装置、温度显示装置、循环泵、控制系统及辅助热源等。

故障检修

一、太阳能热水器的常见故障及排除方法见下表。

二、故障代码与解决方案

保养

必须经常保持集热器上盖的清洁;要防止空晒;使用一定时间后,应进行清洁处理,排除沉积的污垢;冬季停用时,必须将集热器及管道中的水排净,以防冻裂。

以上就是对热水器如何维修问题的介绍,希望能对您有所帮助!

%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"热水器已成为生活中重要的一部分,给人们的生活带来极大的方便。但由于元器件自然老化、操作者的熟练程度、工作环境和工作强度等诸多因素常引发各类故障。接下来就为大家介绍如何维修热水器的问题。","id":""}],"text":"","id":"TOoMdgI2YoYWSexY7dVcZ2pMnDd"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"电热水器","id":""}],"text":"","id":"UWYwdY2W6ouAUKxOM9McpuPzneg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"工作原理","id":""}],"text":"","id":"KygedMsoWoOKu6x4dTRcL1OenQf"},{"type":"paragraph","children":[{"type":"text","text":"电热水器具有结构简单、价格低、热效率高、无污染、使用方便等优点,使用寿命一般为15年左右,主要有贮水式和速热式两种。由于速热式电热水器功率高达3kW以上,且易漏电,很少有人问津;贮水式一般功率在1~2kW之间,安全方便,受到消费者喜爱。","id":""}],"text":"","id":"Ee2WdOOIcoMkMwxC0wkctSSEnMc"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"一、贮水式电热水器","id":""}],"text":"","id":"GoEkdemA8ocwCSxl8dwcMZCjnbW"},{"type":"paragraph","children":[{"type":"text","text":"贮水式电热水器一般由箱体系统、制热系统、控制系统和进出水系统四大部分组成。下面为部分国产名牌电热水器的结构示意图。","id":""}],"text":"","id":"GkCcdGS2goU480xczSccDttDnTf"},{"type":"image","attrs":{"height":485,"note":[{"type":"text","text":"工作原理","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/1ed7f139bafc4003b23a89038aa95292","width":692},"text":"","id":"GMuEdek0Io6GIAxyk5fcJcirnBh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"1","id":""},{"type":"text","marks":[{"type":"strong"}],"text":"、箱体系统","id":""}],"text":"","id":"EmSodaAs8oQwsCxm4VtcHuyGnMc"},{"type":"paragraph","children":[{"type":"text","text":"箱体系统由外壳、内胆、保温层等构成,起到贮水保温的作用。","id":""}],"text":"","id":"XKUAdWCA4oEOesx0cKccGcX2nDf"},{"type":"paragraph","children":[{"type":"text","text":"(1)外壳","id":""}],"text":"","id":"PgCUdIyWwoy2MsxgjB3cgHIxn6c"},{"type":"paragraph","children":[{"type":"text","text":"外壳是电热水器的基本骨架,大部分部件都安装或固定在上面,所用材料有塑料、彩板、冷轧板、喷粉等几种。","id":""}],"text":"","id":"ZQScdAQSmoCkwkxYTK5cEPeSnUg"},{"type":"paragraph","children":[{"type":"text","text":"(2)内胆","id":""}],"text":"","id":"LSwIdU4eIowMc6xGwblc81Klnyg"},{"type":"paragraph","children":[{"type":"text","text":"内胆既是盛水的容器,又是对外加热的场所,其寿命决定于内胆的材料和制造工艺。常见内胆材料有镀锌铁板、不锈钢板和钢板内涂搪瓷三种。","id":""}],"text":"","id":"HqwgdA6oQoAe48xALuqcsNBan4f"},{"type":"paragraph","children":[{"type":"text","text":"(3)阳级棒","id":""}],"text":"","id":"IS8ydEOwMomQq8x477ecrmyHn2X"},{"type":"paragraph","children":[{"type":"text","text":"贮水式电热水器中的阳极棒是一根金属镁棒,主要用来保护金属水箱不被腐蚀和阻止水垢的形成。","id":""}],"text":"","id":"A8g4ds2g6oaoG2xkxhgcFS0znXe"},{"type":"paragraph","children":[{"type":"text","text":"(4)保温层","id":""}],"text":"","id":"VcAadA6GWoSsi8xeq3oclbUNnod"},{"type":"paragraph","children":[{"type":"text","text":"外壳与内胆之间的保温层,起减少热损失的作用,一般采用聚氨酯发泡、玻璃棉、石棉、纤维、毡和软木等。为增强保温效果,现多采用高密度聚氨酯发泡材料充填的新工艺,充填扎实,密封保温性好,即使12h不通电,水温也仅下降2℃左右。","id":""}],"text":"","id":"S4A2dOigWogGksxgDD2cEGsUnth"},{"type":"paragraph","children":[{"type":"text","text":"(5)炉膛","id":""}],"text":"","id":"CAcCdSEWqo4YOkxgrLDcRJQQn3f"},{"type":"paragraph","children":[{"type":"text","text":"炉膛用于安装加热体和限温器,是由炉膛底盘、炉膛管、炉膛帽、温控管、螺孔柱焊接而成。螺孔柱经钻孔攻螺纹,用于安装镁棒。","id":""}],"text":"","id":"HIOGdU04SocMegxOSCkc7YIlnde"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"2、制热系统","id":""}],"text":"","id":"MUCAdGGQWo4aSixIXogcaeuOnBe"},{"type":"paragraph","children":[{"type":"text","text":"电热水器采用的电热元件多采用管状结构,为提高热效率,直接放在水中加热,形状可根据内胆结构弯成U形或其他形状,金属护套管常见为不锈钢管或铜管。电加热管在通电后,其内部高电阻电热合金丝发热,通过金属管内的绝缘填充料导热至金属套管,起加热作用。","id":""}],"text":"","id":"Wsu0dye0SoYyS2xEFYEcucQpnDd"},{"type":"paragraph","children":[{"type":"text","text":"电加热管使用时间一长,在电加热管表面容易结污垢,不仅影响发热效果,而且会产生漏电现象。为此海尔、小鸭、东宝等厂家,将热水器部分产品的电热元件改为高压耐热的陶瓷发热器,如图所示。间接加热内胆中的水(通电后,首先预热周围的空气,然后通过钢板对水加热),使水电分离,不仅无漏电之忧,且可超快速加热。","id":""}],"text":"","id":"Mi4WdcQ0aogw8qxS4dOcysZnnyc"},{"type":"image","attrs":{"height":834,"note":[{"type":"text","text":"工作原理","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4b3cc4067eb243bea2fe1a07e4f33158","width":1495},"text":"","id":"IG20dsouAoA6ucxi40TcCh31nvd"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"3、控制系统","id":""}],"text":"","id":"HyEEdsimwoQyKIxqgtMcRDCrnGe"},{"type":"paragraph","children":[{"type":"text","text":"电热水器的控制系统主要包括温控器和漏电保护器。","id":""}],"text":"","id":"S8s4dwgoEo0uOOxAfqYcRpRKnVf"},{"type":"paragraph","children":[{"type":"text","text":"(1)温控器","id":""}],"text":"","id":"ZeG0dUggeocA4XxaLXMcRebMncH"},{"type":"paragraph","children":[{"type":"text","text":"电热水器中使用的温控器主要有双金属片温控器、蒸气压力式温控器和电子温控器。","id":""}],"text":"","id":"IcGUduo6Wo8IYaxGGumcl4mtnVd"},{"type":"image","attrs":{"height":720,"note":[{"type":"text","text":"工作原理","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/d45ae36f068d41a9801db870951e9a5f","width":801},"text":"","id":"NIMIdqMS0o004uxMBSEc6U2jnOg"},{"type":"paragraph","children":[{"type":"text","text":"(2)漏电保护器","id":""}],"text":"","id":"KGqGdSwy6oAaqAxJD5GcQ6ZUnEW"},{"type":"paragraph","children":[{"type":"text","text":"在电热水器的漏电保护器中、将15mA确定为危险电流,超过这一数值时漏电保护器动作,正常的动作范围为15~30mA。","id":""}],"text":"","id":"OUG6di2y8ouWGqxiorTcob2Jnlc"},{"type":"paragraph","children":[{"type":"text","text":"海尔电热水器选用的是进口漏电保护器,动作值为15mA,动作时间为0.1s。小鸭等品牌电热水器电源线带有先进的电子控制漏电保护插头,其技术参数为:额定电压220V(5OHz),额定电流10A,漏电动作范围5~10mA,漏电动作时间≤50ms,最大分断能力300A,最大负载功率2200W。","id":""}],"text":"","id":"ZU2idaWugo0GYOxgnN2cUfXIn4e"},{"type":"image","attrs":{"height":1024,"note":[{"type":"text","text":"工作原理","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/e1fde3f53c6e4c828c774f1ace78784a","width":768},"text":"","id":"TYMWdUC4OocYu8xOCKCccvJWnnh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"4、进、出水系统","id":""}],"text":"","id":"Ky6ediEagoKsqQxGIZScNYd6nJd"},{"type":"paragraph","children":[{"type":"text","text":"进、出水系统由进、出水管,混合阀、安全阀和淋浴喷头等组成。","id":""}],"text":"","id":"N6YmdMAUCoigsSxaYtzctAlPnJf"},{"type":"paragraph","children":[{"type":"text","text":"(1)混合阀","id":""}],"text":"","id":"LEcWdcseaoIIekxLMrpc6eL4njr"},{"type":"paragraph","children":[{"type":"text","text":"混合阀的结构如图所示。由图可知,热水器内胆出水管、混合阀、喷头和大气相通,不受混合阀冷、热阀门控制胆内压力,故称为出口敞开式。","id":""}],"text":"","id":"XoQUdumU4o0Cwixu2NAcJhcEnNH"},{"type":"image","attrs":{"height":744,"note":[{"type":"text","text":"工作原理","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/f948916cdd73493fbd760ee2c8fbdf5e","width":887},"text":"","id":"GcYodwiKio28qIxI3rZcrg7OnEe"},{"type":"paragraph","children":[{"type":"text","text":"单独打开右侧红点热水旋阀,自来水经出水管、混合阀、喷头流出,出热水,出水压力由热水阀控制;单独打开左侧蓝点冷水旋阀,自来水直接经混合阀由喷头流出冷水,出水压力由冷水阀控制。当同时打开冷热水阀门时,冷水和热水在混合阀出水口混合,适当调节冷热水阀门大小,可得到所需水温。","id":""}],"text":"","id":"CMIEdCiO0oCiMuxsjuGcOCZ4nUf"},{"type":"paragraph","children":[{"type":"text","text":"(2)安全阀","id":""}],"text":"","id":"Eum6dA6iQoGYOcxOUPKc3d3Tnfd"},{"type":"paragraph","children":[{"type":"text","text":"在自来水压力突然增高或加热水温过热,造成内胆压力超过规定耐压值时,安全阀会自动排压,以保护内胆。在加热过程中,安全阀会有缓慢的滴水现象,不是故障,是一种正常现象。","id":""}],"text":"","id":"YGCEdWowUoieUkxKyNwcIBctnUg"},{"type":"image","attrs":{"height":425,"note":[{"type":"text","text":"工作原理","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/b41181aa1d5a4c8d875265320248ecf3","width":745},"text":"","id":"RYIMdu4Cqoc4EGxwXfncl2GZnZd"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"5、工作原理","id":""}],"text":"","id":"GmyedIIOqoeae6xUNwZcy3jHn2d"},{"type":"paragraph","children":[{"type":"text","text":"贮水式电热水器的加热分单加热器加热和双加热器加热两种。前者,--般用在容积不太大的热水器中;后者、往往用于容积较大的热水器中。","id":""}],"text":"","id":"OWqSdAaAioQkWMxEVekc7UZtncg"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"二、速热式电热水器","id":""}],"text":"","id":"DSKod68S0o20WSxqC48c6n8enme"},{"type":"paragraph","children":[{"type":"text","text":"快速热水器一般在接通电源、开启水阀后,仅需十几秒就会有充足的热水源源流出,因此也称流动式或即热式电热水器。","id":""}],"text":"","id":"VU0Kdg0uMoC8ogx6azGccJl1nIf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"1、基本结构","id":""}],"text":"","id":"DecCdoQWWok8a2xi2Wccp2g6npb"},{"type":"paragraph","children":[{"type":"text","text":"快速热水器主要由外壳、内腔、电热元件、压力开关和温度控制等部分组成。","id":""}],"text":"","id":"DICsdMQ2uoKQmUx2RktcUhz5nEg"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"2、工作原理","id":""}],"text":"","id":"NSy4duKQKouamqxsB9XcQ3NAn0f"},{"type":"paragraph","children":[{"type":"text","text":"(1)腔体式","id":""}],"text":"","id":"CWawdoSououGGAxSM2vcAyuznwg"},{"type":"paragraph","children":[{"type":"text","text":"打开进水阀门,水流入腔体。当水充满腔体后,在水压和重力作用下,使橡皮膜下凹,从而带动通过膜片中心的通水管子上端,使触点闭合接通电源,这样电阻丝通电发热,被加热的水沿通水管上开有的小孔流入管内,再经过莲蓬头喷射出来,供人们使用。当停止进水时,靠橡皮膜弹力恢复使触头断开,从而切断电源。","id":""}],"text":"","id":"SEwWdwcICoEuA0xO02FcSwJ0nZg"},{"type":"paragraph","children":[{"type":"text","text":"(2)水槽式","id":""}],"text":"","id":"IKYIdQOSOow86cxE6smc1JNZnPM"},{"type":"paragraph","children":[{"type":"text","text":"在未接通水源时,压力开关处于常态(触点断开),微动开关s不动作,从而继电器线圈不通电,这时整机不工作。接通水源后,因水压升高,这时压力开关触点动作,继电器KA吸合,主电路触点闭合,指示灯HL点亮,这时只要将转换开关(功率调节器)根据需要调节在适当位置,电热元件即可工作,就会有热水从莲蓬头中源源不断流出。","id":""}],"text":"","id":"Ow6CdMSQAoOCqCxM6DjcLzpenWc"},{"type":"image","attrs":{"height":594,"note":[{"type":"text","text":"工作原理","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/c5ef3ba42b5c4b979caf872e28067009","width":1499},"text":"","id":"Nu4qdWYGkosu2wxeIb9clBTGnFb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"常见故障分析","id":""}],"text":"","id":"NqkSdA84CosOaWx8gStc7Vy5nDc"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"一、电热水器检修工艺","id":""}],"text":"","id":"O0yod2SIYoCMSexOItkcwiQIn5g"},{"type":"paragraph","children":[{"type":"text","text":"下面以海尔电热水器为例,对电热水器的检修工艺过程介绍如下:","id":""}],"text":"","id":"T08IdKAKUo0ycsxg7aVcNhtqn5b"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"1、电源检查","id":""}],"text":"","id":"KYw2dIQOcoQO6WxCYELc3LXjncf"},{"type":"paragraph","children":[{"type":"text","text":"用万用表交流电压档(~500V档)测量插座零线和火线,零线和地线是否接通,若不通为正常;反之,则电源不能使用,应修复。","id":""}],"text":"","id":"FoS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","id":"C42edkkIMoCGU2xsZCKcyowcnQb"},{"type":"paragraph","children":[{"type":"text","text":"(3)绝缘电阻用兆欧表测量应大于50MΩ。","id":""}],"text":"","id":"TqKydyGSyoAU06xo3gFcIHZVnTd"},{"type":"paragraph","children":[{"type":"text","text":"(4)电源的接地端与电热水器易触及金属部件之间的接地电阻应小于0.1Ω。","id":""}],"text":"","id":"FIeWdmCcIoeaIexOycccnczpncd"},{"type":"paragraph","children":[{"type":"text","text":"安全性能测试合格后,才能按工艺要求将电热水器重新安装好,投入使用。","id":""}],"text":"","id":"NQWGdGC8IoecOMxKEzNcQiLZnLc"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"二、电热水器常见故障分析","id":""}],"text":"","id":"PqwGd8oYio8QMUx0EOwcTS1unMe"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"1、出水不热","id":""}],"text":"","id":"Hiw0d8O2aoyyOQxcn0ScY4iwnGe"},{"type":"paragraph","children":[{"type":"text","text":"(1)冷热水调节不当:这是由于热水阀开得太小,冷水阀开得太大造成的。应适当调节冷热水阀的开度,使出水温度适合使用。","id":""}],"text":"","id":"NKgWdIieuo4EkIx2PHZc87npnDd"},{"type":"image","attrs":{"height":682,"note":[{"type":"text","text":"常见故障分析","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/255d3584b2d943dd9dac61833a768876","width":877},"text":"","id":"LgIsd08suoSgcqx6nqrczDq4nDd"},{"type":"paragraph","children":[{"type":"text","text":"(2)电源未接通:调整电源插头或开关,使其接触良好。若采用的是漏电保护插头,应将其“复位按钮”按下,排除以上故障若仍不能接通电源,应拆开电热水器仔细检查回路是否有导线脱落、断开等情况,若有,应及时排除。","id":""}],"text":"","id":"DqUUdkwm4o8sUwx8Vg6c8eOjnkd"},{"type":"image","attrs":{"height":430,"note":[{"type":"text","text":"常见故障分析","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/7525bc62aad642a98962870140d6b9c4","width":602},"text":"","id":"LiOydYyacoMOaExcx55cYrvunVe"},{"type":"paragraph","children":[{"type":"text","text":"(3)电加热器损坏:用万用表电阻档测量电热元件电阻值,正常情况下,1kW电热水器,电阻为49Ω左右;3kW,16Ω左右。功率不同的电热水器,其电热元件的阻值不同。若电阻为无穷大,说明电热元件损坏,应予更换。","id":""}],"text":"","id":"QOSidOkc0okWmmxGsh3ca1E2nEg"},{"type":"paragraph","children":[{"type":"text","text":"(4)温控器损坏:当温控器触头接触不良或感温体内感温剂泄漏时,可引起温控器不能正常工作。对于前者可拆开压力式温控器进行修复;对于后者只好更换新的压力式温控器。","id":""}],"text":"","id":"YIYidcmquoags8xkRVycrNrNnxb"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"2、出水温度太高","id":""}],"text":"","id":"SuAqdK84io4a8cx4SmYcOJCfnme"},{"type":"paragraph","children":[{"type":"text","text":"(1)冷热水调节不当:适当调节冷热水阀的开度。","id":""}],"text":"","id":"N26mdYGgwoYYMixg7uMcRjocnRh"},{"type":"paragraph","children":[{"type":"text","text":"(2)温控器旋钮调节不当或触点粘连:将温控器旋钮调至温度较低处;对触点粘连的,可将温控器拆开,将粘连触点分开,并对触点进行研修、调整,经调整后,一般即可使用,必要时可进行更换。","id":""}],"text":"","id":"CSEkdASQSoqCEoxM7UVc9FRHnch"},{"type":"image","attrs":{"height":597,"note":[{"type":"text","text":"常见故障分析","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/cbf6dc3eb93f4a5d87512021c3e7b634","width":917},"text":"","id":"Kuq8d8goOoQocEx0UwocD7XmnCc"},{"type":"paragraph","children":[{"type":"text","text":"(3)限温器失灵:检修限温器。","id":""}],"text":"","id":"MCoidKiAuoIcMyx0ETIcXvqCnQb"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"3、漏水","id":""}],"text":"","id":"NCsCduU4Qo2aeixkBlDc1TuUnnf"},{"type":"paragraph","children":[{"type":"text","text":"(1)管道连接处漏水:对接口密封不好造成的漏水,应重新安装接口;若属自来水压太高,应在自来水道上设置减压阀。","id":""}],"text":"","id":"KcA6dUOUkouQ40xiEPPcjXvsnaf"},{"type":"image","attrs":{"height":583,"note":[{"type":"text","text":"常见故障分析","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/33c965c6e47942b3a19736b9b5204fe1","width":872},"text":"","id":"Lgm8d2mSSo4OySxmOzYcSSIZnng"},{"type":"paragraph","children":[{"type":"text","text":"(2)安全阀接口漏水:是由于安全阀松扣或密封不好造成的,应重新拧紧和密封。","id":""}],"text":"","id":"IoA4dEMyaoecUgx8onkcaBTpnUb"},{"type":"image","attrs":{"height":669,"note":[{"type":"text","text":"常见故障分析","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/35fca532fa97417faddbabccd68607f9","width":880},"text":"","id":"MgU2dMSyYo8kkoxGYhGcDCzZn9b"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"4、出水带电","id":""}],"text":"","id":"WQ8UdSiSGoKYmaxQfyOc6P8Anvd"},{"type":"paragraph","children":[{"type":"text","text":"(1)出水口接地失效:重新接好接地线,保证接地电阻小于0.1Ω。","id":""}],"text":"","id":"JKgudacMKo4KuCx4XePcNCLGnqg"},{"type":"paragraph","children":[{"type":"text","text":"(2)水中分布电流大:用细钢丝编织成网,包在出水口上,并与接地线良好接触。","id":""}],"text":"","id":"BSwkdc4mcomsYqxgpWAcPDiBn0e"},{"type":"paragraph","children":[{"type":"text","text":"(3)电热元件绝缘损坏或失效:更换电热元件,更换时要保持电气接触良好,有关密封部分不漏水。","id":""}],"text":"","id":"Z0GudayU4o6OsWxfU6zcz9VDnHY"},{"type":"paragraph","children":[{"type":"text","text":"(4)内部导线绝缘层损坏,搭接在外壳或内胆上:拆开电热水器,检查出导线绝缘层损坏的部分,进行更换。","id":""}],"text":"","id":"IGYgdkOiMoI48ExzhN5cdE2NnLC"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"5、进水困难","id":""}],"text":"","id":"GM6sdmQMKoUeoExMbRgcTMeJn8b"},{"type":"paragraph","children":[{"type":"text","text":"(1)脏堵:主要是由于自来水水质不好,杂质超量,堵住进水口的逆止阀。设有进水滤网的热水器大都是滤网孔被堵。在确定水压正常后,关闭自来水供水总阀,清理管路,冲出胜物或清洗滤网。","id":""}],"text":"","id":"VKO6d0828okQwKxQnSMckxnvnfg"},{"type":"paragraph","children":[{"type":"text","text":"(2)汽堵:常见于密闭水箱贮水式电热水器中。其特征是:热水阀打开后,喷出大量水蒸气,此时应将调温器调到最小位置或切断电源,先将蒸汽从热水阀排出,然后打开冷水进水阀,使热水器排水,降低水温,再检修温控器;若热水阀打开后,热汽断续流出,量很小,一般是脏堵造成的。此时应开大热水阀和冷水进水阀,以降低水温,待水温降低后,检查热水阀是否脏堵,洗净后冷水便会从热水阀流出。","id":""}],"text":"","id":"Om8cdKyEioGG4sx44UlcqAPin2e"},{"type":"paragraph","children":[{"type":"text","text":"(3)供水压力不正常:当供水管路因水压下降,供水压力低于贮水压力,逆止阀不能被顶开,会造成进水困难。这种故障,待水压正常后,故障即自行消失。","id":""}],"text":"","id":"ZuwGdq6CgoIaEIxUVQxc1rKjndc"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"保养","id":""}],"text":"","id":"UuAGdAwwOogeW4xWMVmcKBqMnrf"},{"type":"paragraph","children":[{"type":"text","text":"使用一段时间后,应取下喷头,按安装方法进行冲洗。长期使用后,若升温慢,应检查电热元件是否结垢,若结垢,可用去垢剂清除水垢。","id":""}],"text":"","id":"TIA2d8eaQokGsaxO2LIc2TaknLb"},{"type":"paragraph","children":[{"type":"text","text":"若漏水,应更换相应的橡胶密封圈。","id":""}],"text":"","id":"Nkigd2Eu4oi6glxym54cw4jJnI3"},{"type":"paragraph","children":[{"type":"text","text":"若加热时蒸汽冒出,则表明恒温器失效。或感温头脱出,应关闭电路,经检查修复后再用。","id":""}],"text":"","id":"UWgQdAcagoQ8EQx4eKDceRo9ncf"},{"type":"paragraph","children":[{"type":"text","text":"加热时因水的膨胀,喷头有时会有少量热水溢出,这属正常现象,不必过分用力拧紧热水阀,以免加速损坏密封圈。","id":""}],"text":"","id":"Ss6idy4AeoMgOIx6mVccESPinPf"},{"type":"paragraph","children":[{"type":"text","text":"自来水阀可使用不带手轮的阀门或者安装好后取下手轮,以防误关此阀,导致水箱缺水而烧毁电热丝。","id":""}],"text":"","id":"PWkydUIOIosqkaxcJT6coKeancb"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"燃气热水器","id":""}],"text":"","id":"EmkGd4cqCok2cGxUrnUcojNXnHd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"结构","id":""}],"text":"","id":"CGMkdSwwmoIEGAxgfjucH3JmnZc"},{"type":"paragraph","children":[{"type":"text","text":"目前,家用快速燃气热水器常见为壁挂式,适合淋浴使用,主要由水路系统、燃气系统、热交换系统、排烟系统和安全装置五大部分组成。其结构示意图如下所示。","id":""}],"text":"","id":"V48udWcmQoakmMx4mVTcota2nAb"},{"type":"image","attrs":{"height":897,"note":[{"type":"text","text":"结构","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/2c3235234e654902a40487f338c99b13","width":1262},"text":"","id":"FuEKdyoIso8A8gxai9ccnk69nfb"},{"type":"paragraph","children":[{"type":"text","text":"(1)水路系统主要包括进水阀、水膜阀等,其中水膜阀是关键部件,起控制水气联动装置的作用,当水源切断后立即切断燃气;水阀是控制冷水进入热水器流量大小的装置,水阀燃烧器在同样工作状态下,流量大的,输出热水温较低,反之则水温升高。","id":""}],"text":"","id":"ZAm2dayWYoCUEcxMJCYcengxnOg"},{"type":"paragraph","children":[{"type":"text","text":"(2)燃气系统主要包括燃气调节阀、水气联动阀、常明火、主燃烧器。其中主燃烧器是热水器供热的主要部件;水气联动阀是由水流的压力差控制气阀的开启以防止空烧。燃气调节阀可调节进入主燃烧器气量,以达到调节水温的目的。","id":""}],"text":"","id":"PQkGdYKICoeAC4xWGhIcqrfXnzc"},{"type":"paragraph","children":[{"type":"text","text":"(3)热交换系统主要包括腔体、集热片和弯管。","id":""}],"text":"","id":"PKW2dKGiioSk4Wx63PfchJSUnze"},{"type":"paragraph","children":[{"type":"text","text":"(4)排烟系统包括热水器外壳、排气烟管和排烟口等。燃烧后的烟气,须经过排烟系统排出。","id":""}],"text":"","id":"AYK2dQ0k8os2qsxfWf4cL7JanCE"},{"type":"paragraph","children":[{"type":"text","text":"(5)安全装置主要包括由热电偶和电磁阀组成的熄火保护、缺氧保护、水气联动阀防止空烧、排水阀防止过水压和冻裂。","id":""}],"text":"","id":"LIO6dcQuQo26iSxi295cllDhnZb"},{"type":"paragraph","children":[{"type":"text","text":"下面重点介绍燃气热水器主要部件结构原理","id":""},{"type":"text","text":"。","id":""}],"text":"","id":"EskWd8mkwogOQ4xamOBcLlK2nfg"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"一、点火装置","id":""}],"text":"","id":"FuyudEG4IowISAxER0Dcc5P4nTh"},{"type":"paragraph","children":[{"type":"text","text":"点火装置的作用是点燃小火(常明火)并保持其燃烧。当按下点火按钮时,小火管有燃气流出,此时点火器工作,点燃旁边的小火。燃气热水器的点火方式主要有压电陶瓷点火和电脉冲点火两种。","id":""}],"text":"","id":"LI8EdwICGo4GQCxmssIcx8VgnUb"},{"type":"image","attrs":{"height":660,"note":[{"type":"text","text":"结构","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/31c6e50fd12c433eaa7a8a2f0f4ef21e","width":750},"text":"","id":"Ays6dC2OUogYgQxacJrcBM7nn1f"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"二、水气联动阀","id":""}],"text":"","id":"NemcdiAkkos68wxRwRuc2P7anOi"},{"type":"paragraph","children":[{"type":"text","text":"水气联动阀是保证燃气热水器安全使用的重要部件,其主要作用是:当水压足够,水在热交换器中流动时,燃气才能进入主燃烧器进行燃烧;而当水流停止或压力不足时,自动切断燃气供给,以防因缺水面燃坏热水器。","id":""}],"text":"","id":"ZucqdiI44os06GxkzQuclgJhnlb"},{"type":"image","attrs":{"height":600,"note":[{"type":"text","text":"结构","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/516af55f2e064ad78b8c0992e136f804","width":800},"text":"","id":"AiKodKiUSok20ixkfGicQNhPnOh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"三、燃烧器","id":""}],"text":"","id":"SeSMdiUcSokiQyxqyOoc0AgOnVd"},{"type":"paragraph","children":[{"type":"text","text":"1、常明火为点燃主燃烧器作准备,常明火有单独的燃气通路。同时常明火加热熄火保护装置中的热电偶,使电磁阀开闭燃气阀门。当由热电偶或双金属片构成的熄火保护装置一旦检测到常明小火熄灭,熄火保护装置将自动切断气源。","id":""}],"text":"","id":"R4awdaOQ8o2IoixSIAGchMqCnTf"},{"type":"paragraph","children":[{"type":"text","text":"常明火点火管一般用铜管或不锈钢制成,为保证燃烧的稳定,大多采用大气式燃烧方式,即燃烧前预混一部分空气,由于这种燃烧方式火焰短而稳定,用它加热热电偶或热双金属片时,热量集中,不易产生误动作。","id":""}],"text":"","id":"UQwydCSUcoiQY6xkj83cR1hdn3d"},{"type":"paragraph","children":[{"type":"text","text":"2、主燃烧器是燃气热水器提供热源的主要部件,热负荷较大,火力强而且集中,火焰高度实短不宜长,一般采用大气式燃烧器来满足要求,而且大多不设一次调节装置。","id":""}],"text":"","id":"VG4edEi6IoUGCUx2Z6vcuBr8n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加热成热水,经混合水管的冷水混合,就可从供热水龙头流出适合使用的热水。","id":""}],"text":"","id":"MEewdgsWSoIgKMxIplmcQs6cncg"},{"type":"paragraph","children":[{"type":"text","text":"当关闭出水口时,水气连动阀内的压差消失,从而关闭了水气连动阀的气阀,主燃烧器的火焰熄灭,热水停止流出,按下熄火键,点火键复位,关闭主气阀,常明火熄灭。此时熄火安全装置的热电偶的热电势下降,电磁阀关闭。","id":""}],"text":"","id":"A0O0dIm0ioKm0SxwzdtcIdcJnFb"},{"type":"paragraph","children":[{"type":"text","text":"下图为沈乐满牌SR-5型后制式燃气热水器电气原理图,供参考。","id":""}],"text":"","id":"Gwgkd6s0UoKga6xuxulcO1r8nrb"},{"type":"image","attrs":{"height":491,"note":[{"type":"text","text":"工作原理","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/2ca7e1e9708d4ed2bd13d22d98a85f5c","width":747},"text":"","id":"IcUudSAUuoeo4KxAZH7cl8sbnkf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"故障检修","id":""}],"text":"","id":"KUwKdcGMqoAAawx0AeRcn9m8n3d"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"一、常见故障分析","id":""}],"text":"","id":"IwMAd6im6oWEgixwR7Xc0bZTnZm"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"1、打不着火或打火困难","id":""}],"text":"","id":"Xkkwd2iQCooeiIxM3Glcjw7cnof"},{"type":"paragraph","children":[{"type":"text","text":"(1)刚打开气源时,由于气管内空气尚未排空,短时间内难以打火,只要多打几次,让气管内的空气排空后,便能成功点火。","id":""}],"text":"","id":"RAYqdgComo6gaGxcXQXcxBYxnLf"},{"type":"paragraph","children":[{"type":"text","text":"(2)喷嘴堵塞:在打火时有火星,而无法点燃火种,表明喷嘴有堵塞,此时只要将喷嘴进行清理即可。","id":""}],"text":"","id":"NYQUdm6GSoGKssxiADBcqAuHnPf"},{"type":"image","attrs":{"height":800,"note":[{"type":"text","text":"故障检修","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/3b0bdf9d30bb4345978e7e4db0bfe4f3","width":800},"text":"","id":"FGSodKWMuoSkwCxozhzcg2fJnhh"},{"type":"paragraph","children":[{"type":"text","text":"(3)点火针破裂或松动:多数热水器点火针绝缘体是用陶瓷制作的,若陶瓷破裂或点火针松动,就会造成没有对着火种进行点火,打不着火。此时应更换点火针或对点火针进行调整位置。","id":""}],"text":"","id":"DEmYdgAiQoi6wSxCG30cyGlInDc"},{"type":"image","attrs":{"height":682,"note":[{"type":"text","text":"故障检修","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/a4a5502894164d50adea808c8c9b7205","width":957},"text":"","id":"ZCiod26Mwou4cexUvPTc0aG7nKh"},{"type":"paragraph","children":[{"type":"text","text":"(4)压电陶瓷失效手动式热水器一般是采用压电陶瓷点火,若点火时无点火火花,通常是压电陶瓷损坏造成的,应及时进行更换。","id":""}],"text":"","id":"IOECdwCkKouIuUxiS2PcZyMOnQg"},{"type":"paragraph","children":[{"type":"text","text":"(5)水动式热水器电磁阀损坏,点火时,有火星而点不着火,此时先检查电磁阀接线是否良好,若未发现接线不良,应更换电磁阀。","id":""}],"text":"","id":"VGS6dwUusoSCQsxUz7Tc9RyanTh"},{"type":"image","attrs":{"height":682,"note":[{"type":"text","text":"故障检修","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/bb059af299b04523b214eb7d6f88418b","width":976},"text":"","id":"KiU8dyQ2GoEIIqxk39sc31iHnOg"},{"type":"paragraph","children":[{"type":"text","text":"(6)水动式热水器点火时无火星此时按顺序检查电池是否有电或装反,电池盒是否有接触不良,微动开关是否损坏,电脉冲发生器和接线是否有故障。排除故障后即可点火。","id":""}],"text":"","id":"EIAIdMQ4coEaQexkNRVcT03Tnrf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"2、中途","id":""},{"type":"text","marks":[{"type":"strong"}],"text":"燎火","id":""}],"text":"","id":"TA6sdkECcoS4w4xYTrmcO5m1nRM"},{"type":"paragraph","children":[{"type":"text","text":"(1)热电偶与电磁阀接触不良或失效:若在热水器使用过程中,偶然中途熄火,说明热电偶与电磁阀接触不良,此时应紧固两者的联接螺母;当热水器打火后,中途熄火的时间都较接近时,表明热电偶已开始失效,应尽早更换。当热水器每次中途熄火的时间不规则时,表明火种与热电偶的位置不太准确,应调整。","id":""}],"text":"","id":"P2e6dmQYKoS2O2x2bDwc2pzbn2e"},{"type":"paragraph","children":[{"type":"text","text":"(2)燃气气压不稳定:适当调整气源压力或清洗火种喷嘴。","id":""}],"text":"","id":"E8CadAy6koIIoWxCytEchxxMnMb"},{"type":"paragraph","children":[{"type":"text","text":"(3〉保护装置动作:当直排式热水器使用时间过长,且室内换气较差时,或热交换器(水箱)长期没有清洗而造成严重积炭,保护装置便会自动关闭气源,导致熄火。对于前者,需打开门窗,使室内空气流通,对于后者需定期(每年1~2次)清洗热交换器。","id":""}],"text":"","id":"PceMdqCgao8oQYxsrEqchR4SnZc"},{"type":"paragraph","children":[{"type":"text","text":"(4)水动式热水器离子感应针被污染:若每次使用时,都要打2~3次火,应对感应针进行清洗,若经清洗,还有同样的问题出现,说明感应针的材质或电子点火器质量不良,应及时更换。","id":""}],"text":"","id":"IsiQdUOI0oMc4kxQLmAcCDwJnwg"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"3、漏气","id":""}],"text":"","id":"J82MdSsCYoQSwAxEvJUcIESInWg"},{"type":"paragraph","children":[{"type":"text","text":"漏气主要是由于密封用的密封圈破损老化或配合不严造成的。","id":""}],"text":"","id":"DomedSGCAogyOax8ertcguRAn0b"},{"type":"paragraph","children":[{"type":"text","text":"(1)进水接头安装不良而漏气:重新安装平面胶圈,上紧并紧固气接头。","id":""}],"text":"","id":"Be0CdOgCyokcMUxeYKFcAT3Xnsc"},{"type":"image","attrs":{"height":587,"note":[{"type":"text","text":"故障检修","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/5cf67069ab4f4d0990f6a1095536e45f","width":1001},"text":"","id":"T88CdoiGCo8AmcxcN3QcIiG4nJe"},{"type":"paragraph","children":[{"type":"text","text":"(2)气阀体上联接面漏气:更换密封胶圈。","id":""}],"text":"","id":"SYc8ds8coomWo8xQ5QwcNiKfnWe"},{"type":"paragraph","children":[{"type":"text","text":"(3)气阀芯上的润滑脂干而漏气:清洗气阀芯,重新均匀涂上润滑脂(二硫化钼),以确保气阀芯不再漏气。","id":""}],"text":"","id":"PEgOdSGi4o2E4qxo3s4cg0t3nwc"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"4、漏水","id":""}],"text":"","id":"Ggcydkiuko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"width":842},"text":"","id":"Fi6sdICKGoeCWixiAP3cIfJwnwg"},{"type":"paragraph","children":[{"type":"text","text":"(3)点燃热水器常明小火,对除垢液加温,待10~15min后,关闭常明小火,打开水温开关,将饮料瓶中剩下的除垢液全部流入热水器并从进水口排出(可重复几次)。","id":""}],"text":"","id":"SocOdwqKYoSMiMx8TvTcwc0JnGf"},{"type":"paragraph","children":[{"type":"text","text":"(4)卸下饮料瓶,接好进水管,打开冷水阀门,用清水将热水器管道内残余的水垢及除垢液冲洗干净即可。","id":""}],"text":"","id":"QoIMdYk2ioYkckxI9cUcqd4dnsh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"15、水动式热水器有水流出,但不点火","id":""}],"text":"","id":"KYwed4IMuoSuW8xMzHvczQI4nZd"},{"type":"paragraph","children":[{"type":"text","text":"水动式热水器是在打开进水阀门或热水阀门时,热水器便会自动点火,数秒钟后便有热水产生。当有水流而不点火时,其故障原因是多种多样的,可以按以下步骤进行检查并排除故障。","id":""}],"text":"","id":"FEGgds0YcoKK2AxYDbYcygLzncc"},{"type":"paragraph","children":[{"type":"text","text":"(1)打开水源开关,查看指示灯是否有亮,如果红色亮,表明电池已达到无电状态,需更换电池;如果绿色亮,但无“嗒,嗒,嗒”响声及点火火花,表明点火器高压包烧毁或高压线脱落,应重新连接高压线或更换点火器;如果指示灯不亮又无点火火花出现、应检查有没有安装电池或电池是否装反,如果电池安装正常,则需检查电源连线是否可靠,发现情况应及时排除。","id":""}],"text":"","id":"Lci2dEE6QoYkkYxgbfkcx6S8nLe"},{"type":"paragraph","children":[{"type":"text","text":"(2)当所有电导线未发现异常时,先检查微动开关〈有的热水器用水动磁控开关),用手按动微动开关或直接用导线(或旋具)进行短路连接,此时如果有点火动作,则证明是微动开关故障或开关拨片位置不对,应予以更换或调整。如果按动或短路微动开关,均无点火动作,则是点火器的故障,需更换点火器。","id":""}],"text":"","id":"KkkydUcEsockOmx6qzFcK2YCnib"},{"type":"paragraph","children":[{"type":"text","text":"(3)当打开水源开关后有点火火花而没有着火时,应先检查点火针位置是否对准燃烧器,然后再检查电磁阀的连线连接是否良好,同时可根据该热水器的用电池情况,对电磁阀接入3V(或1.5V)的直流电压,查看燃烧器是否着火,如有着火,则表明点火器输出电流不足,需更换;如未有着火,则表明电磁阀有故障,也需更换。","id":""}],"text":"","id":"DyKqdIsWOo6W4gxwTh1cR2gxnRg"},{"type":"paragraph","children":[{"type":"text","text":"(4)如果上述几种方法都无法查出原因时,就要检查其他的安全保护装置,例如,过热保护装置是否熔断或开路;防止不完全燃烧装置的热电偶是否反接或开路;水气联动装置是否活动自如(反复开、关水源、微动开关拨片应左右移动,如果不动作则是水阀膜片穿孔或联动杆卡死等)。","id":""}],"text":"","id":"Aq00deQU6oM2msxMpAccnSNynKg"},{"type":"paragraph","children":[{"type":"text","text":"(5)在各项检查前应先检查气源是否开启,连接气源的气管是否折叠或太长,如果气管太长,应先多点火几次,让气管内的空气排空后,方可点火成功。","id":""}],"text":"","id":"Pwmmd2cS8oS86WxSE4icjArLnCg"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"16、开水不着火或低温时熄火","id":""}],"text":"","id":"SuymdkuGso22GKxiCyoczW8CnNg"},{"type":"paragraph","children":[{"type":"text","text":"(1)水压偏低因水压低,而无法打开水气联动阀,燃气就无法出来被点燃。","id":""}],"text":"","id":"HK6MdKA6EoYuAYxYHsHcZvbwnpg"},{"type":"paragraph","children":[{"type":"text","text":"(2)水阀的橡胶薄膜破损、变形或偏心更换橡胶薄膜。","id":""}],"text":"","id":"R0i2d2SggoKQuoxIDE8cC9mWnsh"},{"type":"paragraph","children":[{"type":"text","text":"(3)进水管滤网堵塞、淋浴喷头堵塞以及水阀内的文氏管松动︰平时必须经常清理。使热水器保持较佳使用状态。","id":""}],"text":"","id":"S4yEdsWiOoYWSWx0u7kcVaEXnhc"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"17、开水熄火或未开水着火","id":""}],"text":"","id":"ZwUsd68qWo4uSQx2J4lcWusznLd"},{"type":"paragraph","children":[{"type":"text","text":"(1)冷热水阀门漏水或关闭不严,使热水器内有一定水压,打开水气联动阀而造成此故障更换或关严冷、热水阀门。","id":""}],"text":"","id":"Uugadk64UoYcyqxe4Vscr8f5nkg"},{"type":"paragraph","children":[{"type":"text","text":"(2)水气联动阀内顶杆被卡死,或长期停用顶杆被粘着,胶圈变形造成顶杆运动缓慢而不熄火拆下顶杆清洗,并加润滑油。","id":""}],"text":"","id":"CwEYdY4IuoKY0exms6scEj7Onid"},{"type":"image","attrs":{"height":585,"note":[{"type":"text","text":"故障检修","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/67d4303afc8f4cbdbac1a27d12465b66","width":774},"text":"","id":"YAQedQOUcomSAyxugZHcaQaDnJb"},{"type":"paragraph","children":[{"type":"text","text":"(3)水气联动阀的气阀门弹簧器日久弹力不足更换弹簧。","id":""}],"text":"","id":"X4YKdWo4cocO2qxkRn2c3nCLngC"},{"type":"paragraph","children":[{"type":"text","text":"(4)水阀进水管因无滤网,造成杂质卡死水阀顶轴而不炮火﹑先清洗干净水阀内部,再在进水管补加滤网,以保证水质干净。","id":""}],"text":"","id":"LgImdA6UkouQ4AxCsYYcUbTMnVf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"二、故障代码与解决方案","id":""}],"text":"","id":"M6ISdc8sUoYKsExe2QAc2tK2noh"},{"type":"paragraph","children":[{"type":"text","text":"现在很多产品都自带有自检功能,会根据提示告诉你产品出现了什么问题,让用户能快速找到问题,并且解决问题,相当的智能化人性化。","id":""}],"text":"","id":"KwaEdO0iEouYI6xEByNc5lvjngg"},{"type":"image","attrs":{"height":8304,"note":[{"type":"text","text":"故障检修","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/2a869e8cc069406ea3f5408b5f370b2a","width":616},"text":"","id":"XGAYdoqIaosoGWxsjUscVsaCn9e"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"保养","id":""}],"text":"","id":"BqqUd6y6coM8OAxQv08cmAINned"},{"type":"paragraph","children":[{"type":"text","text":"一、使用时应经常检查常明火是否正常工作,有无阻塞;如火焰微弱,应立即关闭燃气气源开关,待清除垢物后,再行点燃。","id":""}],"text":"","id":"Le6Md0ymAoA6aOxszUUcXzVRn3e"},{"type":"paragraph","children":[{"type":"text","text":"二、热水器使用一段时间(一般为半年左右)后,应对水管、燃气管、容积式热水器的水箱等进行除垢,以防过滤网(见下图)被堵。水箱有沉积物,会影响热水器的正常使用。","id":""}],"text":"","id":"W6aad4u04o82Gyx2FDkcL3lTnOZ"},{"type":"imageList","children":[{"type":"image","attrs":{"height":753,"note":[{"type":"text","text":"保养","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/27083823e9974b858eeaaf57205f769f","width":750},"text":"","id":"EqWcdqcaCoc00exAt9BcNQbEnNg"},{"type":"image","attrs":{"height":697,"note":[{"type":"text","text":"保养","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/0a4c488af03148dbbef0aa77f5e12b43","width":861},"text":"","id":"OswidMM6sokaUExoz5oc2ofrnld"}],"text":"","id":"F406d6kySoiey4x62aAcU2zynCf"},{"type":"paragraph","children":[{"type":"text","text":"三、每隔数月,应清除热水器排气口、进气排气筒、热交换器及周围积炭和灰垢。如果发现大量积炭或有许多阻塞物时,可将热水器卸下,倒过来轻轻清除,也可用自来水冲洗,冲洗时严禁将水溅到燃烧器喷嘴和常明火上,待干燥后再安装使用。","id":""}],"text":"","id":"F406d6kySoiey4x62aAcU2zynCf"},{"type":"paragraph","children":[{"type":"text","text":"四、一般情况下,热水器使用一年后,应对其做一次全面检查,查清供气和供水系统的各个装置是否完好、正常,有无漏气、漏水等异常现象。","id":""}],"text":"","id":"OmeCd8uScoQ28ixGu7Mcj6Y4nHc"},{"type":"paragraph","children":[{"type":"text","text":"五、如使用的水质较硬,应在热水器的前端装配一水质软化装置,并及时清除热交换盘管(即蛇形管)或水箱的水垢。","id":""}],"text":"","id":"CuSGd6oGeoG6SoxSYucccWXUnke"},{"type":"paragraph","children":[{"type":"text","text":"六、经常擦试外壳。","id":""}],"text":"","id":"HieqdSA6Wo860ixeaf0cviZqnqe"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"太阳能热水器","id":""}],"text":"","id":"WwScdUiE2oIC6Sxqa4xciFgbn8c"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"结构原理","id":""}],"text":"","id":"LqSidYs6WoomAOxKAMvcfN1FnQh"},{"type":"paragraph","children":[{"type":"text","text":"太阳能热水器一般由集热器、贮热装置、循环管路、辅助装置及淋浴喷头等部分组成。","id":""}],"text":"","id":"Q2OqdWCMQoiuIox67v2cQ7S1nsb"},{"type":"image","attrs":{"height":452,"note":[{"type":"text","text":"结构原理","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/f518d1b3987f48128d5edf1d5a9af5b1","width":603},"text":"","id":"D4AydYeMeoI44sx2HrmcvYqonsf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"一、集热器","id":""}],"text":"","id":"HWyMdogGaoe0SUxgn3dcINFYnFg"},{"type":"paragraph","children":[{"type":"text","text":"集热器是太阳能热水器的关键部件,其性能好坏,对热水器的性能起着决定性的作用。按收集太阳能的不同原理,可分为平板型集热器和聚光型集热器两种。聚光型集热器只能聚集太阳的直射辐射能,需要对太阳进行跟踪,增加了装置成本,只有在需要附到较高温度等特殊场合使用;平板型集热器是目前应用较广泛的一种,它不仅能吸收太阳的直射辐射,还可以收集太刚的散射辐射。","id":""}],"text":"","id":"Do2KdKEkuokQQyx6hLecByWvn5c"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"二、贮热装置","id":""}],"text":"","id":"UOU4dc0Sio4uSsxWuEZcauvDnDe"},{"type":"paragraph","children":[{"type":"text","text":"贮热装置通常作为短期贮存热水、减少热损失的容器,贮热效果主要取决于装置保温性能的好坏。","id":""}],"text":"","id":"Q8wcdUSOwooKUaxmmj7cu8eyn9c"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"三、循环管路","id":""}],"text":"","id":"YYAqdO6AqoSWqux0A2dcHm6cnvg"},{"type":"paragraph","children":[{"type":"text","text":"循环管路的作用是连通集热器、贮热水箱,形成一个完整的循环加热系统。","id":""}],"text":"","id":"Pg6wdK8AMo4yWsxAbKRcuRTxnTh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"四、辅助装置","id":""}],"text":"","id":"CwSadUGGGoWcCgxXXXMcWBTwnnh"},{"type":"paragraph","children":[{"type":"text","text":"辅助装置的作用是使整个热水器装置能正常工作,并通过仪表加以显示。辅助装置包括水位显示装置、温度显示装置、循环泵、控制系统及辅助热源等。","id":""}],"text":"","id":"MqAYdGcOWoqK6GxEzFZcYnStnwd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"故障检修","id":""}],"text":"","id":"BmcAdEMMMoQkI4xwxsGcnlx3nkf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"一、太阳能热水器的常见故障及排除方法见下表。","id":""}],"text":"","id":"FEAsdsoAqoa2KwxuGlucf6WEnZf"},{"type":"imageList","children":[{"type":"image","attrs":{"height":276,"note":[{"type":"text","text":"故障检修","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/22e275a6509142acbb6029ea83f1eac1","width":966},"text":"","id":"QyM4dcwYeoqIiUxikNrcRcSXnLb"},{"type":"image","attrs":{"height":517,"note":[{"type":"text","text":"故障检修","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/eb615d2c769f443ea1c7f95292001079","width":959},"text":"","id":"OUWkdaoqsoaeCGxY7F5cSJyNnbb"}],"text":"","id":"FYIwdc6ySosIM2xO8rPcfC5DnKP"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"二、故障代码与解决方案","id":""}],"text":"","id":"FYIwdc6ySosIM2xO8rPcfC5DnKP"},{"type":"image","attrs":{"height":578,"note":[{"type":"text","text":"故障检修","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/3b7a96a809dc4593adca37f02d17874b","width":791},"text":"","id":"Ccewd2eE6ogoISxyaEic88jqnsg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"保养","id":""}],"text":"","id":"TMWadoKWko4iIixSqg4csuginVb"},{"type":"paragraph","children":[{"type":"text","text":"必须经常保持集热器上盖的清洁;要防止空晒;使用一定时间后,应进行清洁处理,排除沉积的污垢;冬季停用时,必须将集热器及管道中的水排净,以防冻裂。","id":""}],"text":"","id":"HIyIdM6keoy62WxqKC6crhC9n5c"},{"type":"paragraph","children":[{"type":"text","text":"以上就是对热水器如何维修问题的介绍,希望能对您有所帮助!","id":""}],"text":"","id":"G8qodwci8oYu8ex2FQmcczjmnff"}]%3C%2Fhowto_content%3E