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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敖夏狮1985一个启动开关一个停止开关一个中间继电器怎么样形成自锁电路求大神指点 -
凤力很17820236140 ______ 当按下“启动按钮”时J得电工作,J-1闭合通过常闭开关(停止按钮)继续给J供电达到自锁目的,所以J一直保持通电状态,当按下“停止按钮”时,J失电,J-1断开,回到初始状态,为下一次启动做好准备. 这个自锁只用了继电器是一组常开开关,继电器的其它开关可以控制其他的电器设备.

敖夏狮1985用24V中间继电器接一个自保电路怎么接?最好有图谢谢 -
凤力很17820236140 ______ 可利用此中间继电器多余常开触点双线与启动按钮双线并连通即可.也可与该继电器同步工作的交流接触器常开触点简接引出.

敖夏狮1985用两个时间继电器和三个中间继电器如何实现双手同步按钮装置求接线图 -
凤力很17820236140 ______ 先利用1和2继电器上的辅助触点分别把二个按键进行互锁,即相互的按键线都经过对方的常闭触点.再把二个继电器的线圈供电电源的别一头全通过SB3的常闭触点,线圈(电源)的另一头分别通过相对应的按键并再利用本继电器的一个常开触点来进行自锁即可.

敖夏狮1985电气控制1点2锁3停控制原理图? -
凤力很17820236140 ______ 朋友们大家好我是大表哥,今天我们说一下电气控制电路,也就是我们常说的电气原理图.电气控制电路是电气设备动作的说明书,通过这个说明书,我们能了解电路的工作原理,看懂这个说明书,我们就能完成实物接线,对于后期的电路检测...

敖夏狮1985如何用继电器做到自锁互锁 -
凤力很17820236140 ______ 继电器自锁电路的五大保护继电器自锁电路,包括继电器驱动电路,负电源继电器驱动电路,二极管保护电路,其中继电器驱动电路由电阻(R11)和NPN型三极管(TR2)从微电脑控 制器端口(RY2)到风扇继电器(FAN)依次连接而成;负电源驱动电路由PNP型三极管(TR4)、电阻(R23)、NPN型三极管(TR5)从微电脑 控制器端口(RY1)到加热丝继电器依次连接而成;二极管自锁保护电路由电阻(R17)和二极管(D7)从风扇继电器(FAN)到NPN型三极管 (TR4)基极串联而成.本实用新型通过一个电阻和二极管就能把加热丝控制部分锁定,电路简单,成本低,性能可靠.

敖夏狮1985陈老师你好,请问如何通过一个点动常开,中间继电器,两线接近开关(常闭)来完成对直流电机的自锁控制 -
凤力很17820236140 ______ 自锁功能就是使用中间继电器的常开触点与点动常开开关并联实现的,相当于通过继电器的工作,常开触点闭合短接了点动常开开关,让开关处理接通的状态,你如果能理解这个就明白了.

敖夏狮198524V直流怎么接线控制中间继电器 -
凤力很17820236140 ______ 直流24V的中间继电器同时控制3个塑壳断路器的分励脱扣器动作, 是可以实现的. 把三个塑壳断路器的分励脱扣器并联后接入24V的中间继电器常开触点. 中间继电器外接一个开关,控制中间继电器的分断.

敖夏狮1985请发张按钮启动的压力电接点表 - 中间继电器 - 接触器的接线图 -
凤力很17820236140 ______ 按启动按钮,继电器K得电吸合自锁,常开触点K闭合与电接点压力表下限静触点相通,继电器K2得电吸合并自锁,常开触点K2闭合使接触器KM得电吸合,电机运行,压力上升,压力表指针带着动触点与上限静触点接触时,继电器K1得电吸合,常闭触点K1脱离,K2失电复位,KM也失电复位,电机停止;当压力下降时,压力表指针带着动触点脱离上限静触点,K1失电复位,压力表指针带着动触点与下限静触点接触时,K2得电吸合并自锁,常开触点K2闭合使接触器KM得电吸合,电机运行,如此往复循环.

敖夏狮1985中间继电器原理图 - 关于点动控制和中间继电器的应用,请解释一下这个电路图,谢谢!
凤力很17820236140 ______ SB按下KM线包得电,KM常开触点闭合,电机得电;SB释放,电机失电. SB2按下KA线包得电,KA常开触点闭合(图上下),KA自锁(SB2现在已不起作用了).SB不需要按下KM同样有回路得电,KM线包得电,KM常开触点闭合,电机得电. SB1按下方可解除自锁,电机失电.