JPS62115731U

JPS62115731U -

Info

Publication number: JPS62115731U
Application number: JP171686U
Authority: JP
Priority date: 1986-01-10
Filing date: 1986-01-10
Publication date: 1987-07-23

Description

[Brief explanation of the drawing]

第１図は、本考案の一実施例を示す電気回路図
である。第２ａ図及び第２ｂ図は、それぞれ従来
例を示す電気回路図である。１：制御回路、１０：ドライバ回路、３０：異
常検知回路、３１：電圧判定手段（第２の電圧判
定手段）、３２：電圧判定手段（第１の電圧判定
手段）、３３：電圧判定手段（第４の電圧判定手
段）、３４：電圧判定手段（第３の電圧判定手段
）、Ｍ：電気モータ（アクチユエータ）、Ｑ１：
トランジスタ（第１のスイツチング手段）、Ｑ２
：トランジスタ（第２のスイツチング手段）、Ｑ
３：トランジスタ（第３のスイツチング手段）、
Ｑ４：トランジスタ（第４のスイツチング手段）
、ＰＷ，Ｅ：電源ライン、Ｄ１：ダイオード（第
２の整流手段）、Ｄ２：ダイオード（第１の整流
手段）。 FIG. 1 is an electrical circuit diagram showing one embodiment of the present invention. FIGS. 2a and 2b are electrical circuit diagrams showing conventional examples, respectively. 1: Control circuit, 10: Driver circuit, 30: Abnormality detection circuit, 31: Voltage determination means (second voltage determination means), 32: Voltage determination means (first voltage determination means), 33: Voltage determination means ( (4th voltage determination means), 34: Voltage determination means (third voltage determination means), M: Electric motor (actuator), Q1:
Transistor (first switching means), Q2
:Transistor (second switching means), Q
3: Transistor (third switching means),
Q4: Transistor (fourth switching means)
, PW, E: power supply line, D1: diode (second rectifier), D2: diode (first rectifier).

Claims

[Claims for Utility Model Registration] (1) A first switching means inserted between a first terminal of an actuator and a first terminal of a power supply circuit, a first switching means inserted between a first terminal of an actuator and a first terminal of a power supply circuit; a second switching means inserted between the first terminal of the actuator and a second terminal of the power supply circuit; a third switching means inserted between the first terminal of the actuator and the second terminal of the power supply circuit; In an abnormality detection circuit for an electrical energizing device having a fourth switching means interposed between a terminal and a second terminal of a power supply circuit; a second voltage determining means for determining the voltage between the terminals of the second switching means, a third voltage determining means for determining the voltage between the terminals of the third switching means, and a fourth switching means. An abnormality detection circuit for an electrical energizing device, comprising a fourth voltage determining means for determining a voltage between terminals of the circuit. (2) The output terminal of the first voltage determination means is connected to the input terminal of the third voltage determination means, and the first rectification is performed between the input terminal of the third voltage determination means and the first terminal of the actuator. A means is inserted between the input terminal of the fourth voltage determining means and the second terminal of the actuator by connecting the output terminal of the second voltage determining means to the input terminal of the fourth voltage determining means. Claim No. (1) of the above-mentioned utility model registration, in which a rectifying means is inserted.
An abnormality detection circuit for the electric energizing device described in .