KR890013846A - Overload protection circuit of brushless motor - Google Patents

Overload protection circuit of brushless motor Download PDF

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Publication number
KR890013846A
KR890013846A KR1019880001554A KR880001554A KR890013846A KR 890013846 A KR890013846 A KR 890013846A KR 1019880001554 A KR1019880001554 A KR 1019880001554A KR 880001554 A KR880001554 A KR 880001554A KR 890013846 A KR890013846 A KR 890013846A
Authority
KR
South Korea
Prior art keywords
protection circuit
overload
amplifier
overload protection
brushless motor
Prior art date
Application number
KR1019880001554A
Other languages
Korean (ko)
Inventor
김용하
Original Assignee
서주인
삼성전기 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 서주인, 삼성전기 주식회사 filed Critical 서주인
Priority to KR1019880001554A priority Critical patent/KR890013846A/en
Publication of KR890013846A publication Critical patent/KR890013846A/en

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Abstract

내용 없음.No content.

Description

브러시리스 모터의 과부하 보호회로Overload protection circuit of brushless motor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 회로도.1 is a circuit diagram of the present invention.

Claims (3)

속도제어부의 제어신호에 의해 인버터를 작동시 모터를 구동시키기 위한 것에 있어서, 기준전압을 인가하기 위한 버퍼, 모터의 과부하 상태를 감지하기 위한 과부하 감지부, 상기의 과부하 감지부에서 감지된 전압을 기준전압과 비교하기 위한 비교부, 상기 비교부의 출력을 이용하여 속도제어신호를 온/오프시키는 스위치부를 구동시키기 위한 구동부로 구성됨을 특징으로 하는 브러시리스 모터의 과부하 보호회로.In driving the motor when the inverter is operated by the control signal of the speed controller, a buffer for applying a reference voltage, an overload detector for detecting an overload state of the motor, and the voltage detected by the overload detector An overload protection circuit of a brushless motor, comprising: a comparator for comparing with a voltage; and a driver for driving a switch part for turning on / off a speed control signal by using an output of the comparator. 제1항에 있어서, 상기의 과부하감지부는 전류감지저항(R10)과 OP앰프(OP1)로 구성되고, 버퍼는 OP앰프(OP2)로 구성됨을 특징으로 하는 브러시리스 모터의 과부하 보호회로.The overload protection circuit of claim 1, wherein the overload detection unit includes a current sensing resistor R 10 and an OP amplifier OP 1 , and the buffer comprises an OP amplifier OP 2 . . 제1항에 있어서, 상기의 비교부는 OP앰프(OP3)로 구성되고, 상기의 구동부는 저항(R1), 콘덴서(C1)로 된 지연회로와 OP앰프(OP4-OP5)로 구성되며, 스위치는 MOS스위치(SW1-SW3)로 구성됨을 특징으로 한느 브러시리스 모터의 과부하 보호회로.The method of claim 1, wherein the comparison unit is composed of an OP amplifier (OP 3 ), the driving unit is a delay circuit consisting of a resistor (R 1 ), a capacitor (C 1 ) and the OP amplifier (OP 4- OP 5 ) Overload protection circuit of a brushless motor, characterized in that the switch consists of MOS switches (SW 1 -SW 3 ). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880001554A 1988-02-15 1988-02-15 Overload protection circuit of brushless motor KR890013846A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880001554A KR890013846A (en) 1988-02-15 1988-02-15 Overload protection circuit of brushless motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880001554A KR890013846A (en) 1988-02-15 1988-02-15 Overload protection circuit of brushless motor

Publications (1)

Publication Number Publication Date
KR890013846A true KR890013846A (en) 1989-09-26

Family

ID=68233312

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880001554A KR890013846A (en) 1988-02-15 1988-02-15 Overload protection circuit of brushless motor

Country Status (1)

Country Link
KR (1) KR890013846A (en)

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