1、用中间继电器作为缺相保护装置的线路

2、脚踏开关踩气缸动作实物彩图接线

3、浮球开关的工作原理讲解

4、常用元件代号及图形符号的画法

5、电工必学的7个基础程序-自锁-多点启停-点动加联动运行

6、电工必学的7个基础程序-延时接通、延时断开-交替输出

7、电工必学的7个基础程序-连锁和互锁-闪烁电路

8、220V电机的倒顺开关实物彩图接线方法

9、变频器电路的接线方法

10、时间继电器的接线方法-实物彩图

11、以太网跟PLC通信电路实物图

12、正反转电路实物彩图接线方法

13、互感器与电表的实物彩图接线方法

14、自制温控风扇电路实物彩图方法

15、星三角380V主电路实物彩图接线方法

16、电接点压力表实物彩图接线电路图

17、接触器实现单开双控的实物彩图接线方法

18、空气能热水循环系统电路

19、变频器接线实物彩图电路展示

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扈海凝3008热水器电脑板电路 - 电热水器控制板电路图
房施鲍13321045153 ______ 1.电热水器控制板电路图电热水器温度旋钮就是一个设定温度的控制器,在日常生活中最为常见的有两种,其一电热水器温度旋钮向右转,温度设定越高随之表盘上面的指...

扈海凝3008某种电热水器,其电路图如下,R1为发热板,R2为保温电阻,Sl是温控开关.当电热水器处于加热状态时水被加热,达到设定温度时,S1自动断开,热水器... -
房施鲍13321045153 ______[答案] (1)水的比热容c=4.2*103J/(kg•℃),水的质量m=2kg;水所吸收的热量:Q=cm△t=4.2*103J/(kg•℃)*2kg*(70℃-20℃)=4.2*105J;(2)由电路图可知,当开关S与S1都闭合时,处于加热状态,此时只有电阻R1接...

扈海凝3008温控仪的接线法 -
房施鲍13321045153 ______ 我们总结了一下,最常见就是不会接线.其实接温控仪很简单,无非是四样东西-电源,温度传感器,温控仪,还有控制器.每个温控仪表上都有一张接线图.都会有图表注明该接什么东西.下面我就按照下图来简单的介绍一下如何接线.(仅供参考) 如果你使用的是热点偶的传感器,那么你就接1和2两个端子,1负2正.如果你接的是热电阻的话,那么一般红色的一端接在3号端子上,其余两个接在1和2上.15和13用根导线连起来,12接在接触器上,接触器的另一段接在16上,组成一个回路.15和16是接交流电源.9和10是接报警,接线是要注意要和电源串联在一起!

扈海凝3008燃气热水器点火器的温控二条接线怎么接 -
房施鲍13321045153 ______ 燃气热水器点火器的温控器二条接线就想当于一个开关,直接接在温度控制器的两个极上即可,没有正负极之分.如下图所示: 燃气热水器温控器外观实物图:

扈海凝3008如图1是某热水器的电路原理图.烧水时,按下温控开关S和a、b接触,红色指示灯亮,加热档工作,电热管的功率是880W.当水温升到设定温度t1时,温控开... -
房施鲍13321045153 ______[答案] (1)由电路图知:电阻R2与指示灯串联,电阻R2在电路中起分压作用,可以避免指示灯两端电压太大而烧坏指示灯,因此电... 只有电热管接入电路, 此时热水器处于加热状态,则电热管的电阻R= U2 P加热= (220V)2 880W=55Ω; ②开关S与c点接触...

扈海凝3008通电指示灯,一个加热指示灯,一个温感指示器,一个温控器,一个水位开关,380V交流接触 怎样接线 -
房施鲍13321045153 ______ 前些日子刚把家里的澳柯玛电热水器修好,应该不是380V吧,心得如下:先并联接过热保护器,再火线上串接温控器,再并接电源指示灯,最后并接加热棒.希望能帮到你.

扈海凝3008电工知识,请问这热水器温控器怎么安装,接线 -
房施鲍13321045153 ______ 这个应该是感温探头..具体怎么装.你百度一下,,马上就有结果,输入你机器的型号,就回有电路图和按装示意图.对着照做就可以了.希望可以帮助到你.....

扈海凝3008小明家电热水器的简化电路图如图所示,Sl是手动开关,置于热水器水箱外部S2温控开关,置于热水器水箱内部,当水温低于40℃时自动闭合,达到40℃时... -
房施鲍13321045153 ______[答案] (1)R2在加热状态时的功率P2=U2R2=(220V)227.5Ω=1760W;则P保温=P加热-P2=1980W-1760W=220W;(2)根据P=U2R可得:R1=U2P1=(220V)2220W=220Ω;(3)由ρ=mV得:m=ρV=1.0*103kg/m3*50*10-3 m3=50kg,水吸收的...

扈海凝3008那位电工知道这热水器,温度探测器,怎么接线. -
房施鲍13321045153 ______ 上图.温度探测器是安装在水箱管内的.如果你的是电脑板的智能热水器有相应的接口.普通热水根据你的控制板接线.有图gengjiat

扈海凝3008智能温控器 热水器 交流接触器线路怎么接 -
房施鲍13321045153 ______ 用温控器控制交流接触器,可用交流接触器的一对常开触点作为设备运行指示灯开关,一对常闭触点作为设备停止指示灯开关.