一种用于晶体管的液位控制装置

Liquid level control device for transistor

  • Inventors: WANG ZHANYI
  • Assignees: 王战义
  • Publication Date: April 27, 2011
  • Publication Number: CN-201812211-U

Abstract

本实用新型的用于晶体管的液位控制装置,包括电动机、电源开关与三相电源连接;三相电源线L2、L3分别连接有熔断管,其中的熔断管FU1与按钮TA和按钮HA、转换开关的脚1和脚2、开关K1依次连接;按钮TA还与接触器KM2、转换开关的脚3和脚4、开关K1依次连接;按钮TA还通过开关K4与开关K1、K2分别连接;熔断管FU2通过按钮RJ与开关K3连接,在按钮TA和开关K3之间并联有两个指示灯,开关K4和K2的连接点与开关K3之间设置有并联的中间继电器和主接触器;液位控制器的各个端子与开关K1、K2、K3、以及三个液位传感器分别连接。
The utility model relates to a liquid level control device for a transistor, which comprises a motor, a power supply switch and a three-phase power supply, wherein the power supply switch is connected with the three-phase power supply, three-phase power lines L2 and L3 are respectively connected with a fuse tube, the fuse tube FU1 is sequentially connected with a button TA, a button HA, a pin 1 and a pin 2 of a conversion switch, and a switch K1; the button TA is also sequentially connected with a contactor KM2, a pin 3 and a pin 4 of the conversion switch, and the switch K1; the button TA is also respectively connected with the switch K1 and a switch K2 by a switch K4; the fuse tube FU2 is connected with a switch K3 by a button RJ; two indicating lamps are connected between the button TA and the switch K3 in parallel; an intermediate relay and a main contactor which are connected in parallel are arranged between a connecting point between the switches K4 and K2 and the switch K3; and all terminals of the liquid level control device are respectively connected with the switches K1, K2 and K3 as well as three liquid level sensors.

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