KR960009378A

KR960009378A - Motor constant speed control device using electromagnet

Info

Publication number: KR960009378A
Application number: KR1019940020249A
Authority: KR
Inventors: 이준희
Original assignee: 배순훈; 대우전자 주식회사
Priority date: 1994-08-17
Filing date: 1994-08-17
Publication date: 1996-03-22

Abstract

본 발명은 모터축에 자석을 설치하고서 자석의 회전에 따라 전자석에 유기되는 유기전류를 검출하고 이 유기 전류를 이용하여 모터의 회전속도를 일정하게 제어할 수 있도록 된 전자석을 이용한 모터의 정속제어장치를 제공하기 위한 것이다.The present invention provides a constant speed control apparatus for a motor using an electromagnet, in which a magnet is installed on a motor shaft to detect an organic current induced in an electromagnet according to the rotation of the magnet and control the rotational speed of the motor constantly using the induced current. It is to provide.

이를 위해 본 발명은, 모터(8)와 이 모터(8)를 구동시키기 위한 모터구동부(7)를 구비한 전자기기에 있어서, 상기 모터(8)의 회전축(9)에 고정결합된 자성부재(1)와, 상기 자성부재(1)의 회전에 의해 유기전류가 발생하도록 설치된 전자석(2), 상기 전자석(2)에 유기되는 전류를 검풀하고 증폭하는 검출ㆍ증폭부(3), 상기 검출ㆍ증폭부(3)의 출력신호를 적분하는 적분부(4), 삼각파를 발생시키는 삼각파발생부(5) 및, 상기 적분부(4)로부터의 적분결과신호와 상기 삼각파발생부(5)로부터의 삼각파신호를 비교하여그 비교결과를 상기 모터구동부(7)의 제어신호로서 출력하는 비교부(6)를 더 구비하여 이루어진 것을 특징으로 한다.To this end, the present invention, in the electronic device having a motor 8 and a motor driving unit 7 for driving the motor 8, a magnetic member fixedly coupled to the rotation shaft 9 of the motor 8 ( 1), an electromagnet 2 provided to generate an organic current by the rotation of the magnetic member 1, a detection / amplification section 3 for detecting and amplifying a current induced in the electromagnet 2, the detection and An integral part 4 for integrating the output signal of the amplifying part 3, a triangular wave generator 5 for generating triangular waves, and an integration result signal from the integrator 4 and from the triangular wave generator 5 And a comparison section 6 for comparing the triangular wave signal and outputting the comparison result as a control signal of the motor driving section 7.

(제1도)(Figure 1)

Description

Motor constant speed control device using electromagnet

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

제1도는 본 발명에 따른 전자석을 이용한 모터의 정속제어장치의 회로블럭도,1 is a circuit block diagram of a constant speed control apparatus for a motor using an electromagnet according to the present invention;

제2도는 본 발명에 따른 전자석을 이용한 모터의 정속제어장치에서 채용되는 자석의 일예를 나타낸 사시도.2 is a perspective view showing an example of a magnet employed in the constant speed control apparatus for a motor using an electromagnet according to the present invention.

Claims

In an electronic device having a motor (8) and a motor driving unit (7) for driving the motor (8), the magnetic member (1) fixedly coupled to the rotating shaft (9) of the motor (8), and the magnetic Of the electromagnet 2 provided to generate an organic current by the rotation of the member 1, the detection / amplification section 3 for detecting and amplifying the current induced by the electromagnet 2, and the detection / amplification section 3 An integration unit 4 for integrating the output signal, a triangle wave generator 5 for generating triangular waves, and an integration result signal from the integration unit 4 and a triangle wave signal from the triangle wave generator 5 are compared. And a comparator (6) for outputting a comparison result as a control signal of the motor driver (7).

2. The constant speed control apparatus for a motor using an electromagnet according to claim 1, wherein said magnetic member (1) has a cross shape and the center thereof is fixed to said motor shaft (9) and said end portion is made of a magnetic material. .

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