KR950022026A

KR950022026A - DC motor constant speed control device

Info

Publication number: KR950022026A
Application number: KR1019930031094A
Authority: KR
Inventors: 김지현
Original assignee: 배순훈; 대우전자 주식회사
Priority date: 1993-12-29
Filing date: 1993-12-29
Publication date: 1995-07-26

Abstract

본 발명은 제조비용이 저렴하면서도 모터를 정속으로 제어할수 있는 직류모터의 정속제어장치에 관한 것으로, 이를 위하여, 회전운동을 하는 직류모터(2)와, 이 직류모터(2)의 회전속도를 검출하여 회전속도에 상응하는 펄스 신호를 출력하는 모터속도 검출부(6)와, 모터속도 검출부(6)에서 출력되는 펄스신호를 직류전압으로 변환하는 주파수/전압 변환부(7)와, 이 주파수/전압 변환부(7)에서 출력되는 전압을 지연시키는 지연기(8)와, 이 지연기(8)에 의해 지연된 주파수/전압 변환부(7)의 출력전압과 지연되지 않은 출력전압을 가산하는 가산기(9)와, 이 가산기(9)의 출력을 1/2로 감산하는 1/2감산부(10)와, 기준전압과 1/2감산부(10)의 출력을 비교하여 직류모터(2)의 회전을 제어하는 비교기(1)로 구성한 것이다.The present invention relates to a constant speed control device for a DC motor capable of controlling the motor at a constant speed while having a low manufacturing cost. To this end, a DC motor 2 and a rotation speed of the DC motor 2 are detected. A motor speed detector 6 for outputting a pulse signal corresponding to the rotational speed, a frequency / voltage converter 7 for converting a pulse signal output from the motor speed detector 6 into a DC voltage, and the frequency / voltage A delayer 8 for delaying the voltage output from the converter 7 and an adder for adding an output voltage of the frequency / voltage converter 7 delayed by the delayer 8 and an undelayed output voltage ( 9), the 1/2 subtractor 10 for subtracting the output of the adder 9 by 1/2, and the output of the reference voltage and the 1/2 subtracter 10 are compared. It consists of the comparator 1 which controls rotation.

Description

DC motor constant speed control device

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

제2도는 본 발명에 따른 직류모터 정속제어장치 블럭 구성도,2 is a block diagram of a DC motor constant speed control device according to the present invention;

제3도는 본 발명에 따른 직류모터 정속제어장치에 채용되는 슬로트의 정면도.3 is a front view of a slot employed in the DC motor constant speed control apparatus according to the present invention.

Claims

A DC motor for rotating motion; A motor speed detector for detecting a rotation speed of the DC motor and outputting a pulse signal corresponding to the rotation speed; A frequency / voltage converter converting the pulse signal output from the motor speed detector into a DC voltage; A delay unit for delaying a voltage output from the frequency / voltage converter; An adder which adds an output voltage which is delayed by the delayer and an output voltage which is not delayed; A half subtractor for subtracting the output of the adder by half; Comprising a comparator for controlling the rotation of the DC motor by comparing a reference voltage and the output of the 1/2 subtraction part.

The DC motor of claim 1, wherein the motor speed detector 6 installs a slot 4 on a rotating shaft of the motor and a photo coupler 5 to pass or block light through the slot 4. DC motor constant speed control device characterized in that for detecting the speed of.

2. The constant speed control apparatus of a DC motor according to claim 1, wherein the delay unit (8) delays the output of the frequency / voltage conversion section (180) / ^fk4 ;

※ Note: The disclosure is based on the initial application.