JPS58182337U

JPS58182337U - power switchgear

Info

Publication number: JPS58182337U
Application number: JP8098182U
Authority: JP
Inventors: 平木　孝之; 裕竹村; 信博鷹尾
Original assignee: シンポ工業株式会社
Priority date: 1982-05-31
Filing date: 1982-05-31
Publication date: 1983-12-05

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来例の回路図、第２図はこの考案の実施例を
示す回路図、第３図は動作説明用のタイムチャート、第
４図はこの考案の他の実施例を示す回路図である。ＡＣ・・・・・・電源、ＲＥ・・・・・・整流装置、Ｔ
ｒｌ・・・・・・第１のトランジスタ、Ｔｒ２・・・・
・・第２のトランジスタ、Ｒｙ・・・・・・リレー、ｒ
ｌ・・・・・・第１の接点、ｒ２・・・・・・第２の接
点、ＤＦ・・・・・・微分回路、Ｃ・・・・・・コンデ
ンサ、Ｐ□〜Ｐ３・・・・・・抵抗、Ｌ・・・・・・負
荷。Fig. 1 is a circuit diagram of a conventional example, Fig. 2 is a circuit diagram showing an embodiment of this invention, Fig. 3 is a time chart for explaining operation, and Fig. 4 is a circuit diagram showing another embodiment of this invention. It is. AC: power supply, RE: rectifier, T
rl...First transistor, Tr2...
...Second transistor, Ry...Relay, r
l...First contact, r2...Second contact, DF...Differential circuit, C...Capacitor, P□~P3... ...Resistance, L...Load.

Claims

[Scope of utility model registration request]

A series circuit of a first transistor and a resistor connected between a power supply and an output terminal of a DC voltage generated based on the voltage of the power supply, and a switch that does not have a self-restoring ability between the output terminals. a series circuit of a relay connected to the first transistor and a second transistor which is turned off when the first transistor is turned on; and a series circuit connected between the output terminals via the switch and whose differential output A differential circuit including a capacitor and a resistor for turning off the first transistor, a first contact of the relay connected in parallel to the second transistor, and the power supply and the load. and a second contact of the relay.