KR910015103A - Speed control circuit of DC motor - Google Patents

Speed control circuit of DC motor Download PDF

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Publication number
KR910015103A
KR910015103A KR1019900022067A KR900022067A KR910015103A KR 910015103 A KR910015103 A KR 910015103A KR 1019900022067 A KR1019900022067 A KR 1019900022067A KR 900022067 A KR900022067 A KR 900022067A KR 910015103 A KR910015103 A KR 910015103A
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KR
South Korea
Prior art keywords
terminal
voltage
motor
error detection
detection circuit
Prior art date
Application number
KR1019900022067A
Other languages
Korean (ko)
Other versions
KR930007596B1 (en
Inventor
유끼노부 구리다
Original Assignee
원본미기재
가부시기가이샤 산교 세이기세이사꾸쇼
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Publication of KR910015103A publication Critical patent/KR910015103A/en
Application granted granted Critical
Publication of KR930007596B1 publication Critical patent/KR930007596B1/en

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P5/00Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

내용 없음No content

Description

직류모터의 속도제어회로Speed control circuit of DC motor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 따르는 직류모터의 속도제어회로의 실시예를 도시한 회로도.1 is a circuit diagram showing an embodiment of a speed control circuit of a DC motor according to the present invention.

Claims (1)

제1 및 제2단자 ①②와 이 각 단자에 대응한 오차검출회로(1a)의 2개 입력단자의 선로 사이에 기준전압원(1b)을 형성하여 제3단자 ③와 접지된 제4단자 ④사이에 구동트랜지스터(Q2,Q3…Qn)를 접속하고, 제5단자⑤에서 오차검출회로(1a)에 전원전압(Vcc)을 인가형 제1단자 ①와 제4단자 ④사이에 분류트랜지스터(Q1)를 형성하고, 제3단자 ③에 흐르는 부하전류에 비례한 전류가 제1단자 ①에 흐르도록 구성하며, 제1및 제3단자①③사이에 발생하는 전압에 대응한 전압을 제2단자 ②에 가하여 이 전압과 기준전압을 상기 오차검출회로(1a)에 의해 검출하여 이 오차검출회로(1a)의 출력신호를 분류트랜지스터(Q1)및 구동트랜지스터(Q2,Q3…Qn)의 제어 입력단자에 인가하는 직류모터제어용 IC(1)를 구비하는 전원단자 (VO)와 제3단자 ③사이에 직류모터(M)를 접속하며, 제5단자 ⑤와 제1단자 ①사이에 저항을 접속하고, 제1단자 ①와 제3단자 ③사이에 분압회로를 접속하며, 이 분압회로의 분압점을 제2단자 ②에 접속하고, 전원 단자(VO)와 제5단자 ⑤사이에 다이오드(2)를 접속한 것을 특징으로 하는 직류모터(M)의 속도제어회로.A reference voltage source 1b is formed between the first and second terminals ①② and the lines of the two input terminals of the error detection circuit 1a corresponding to each terminal, so as to provide a connection between the third terminal ③ and the grounded fourth terminal ④. The driving transistors Q 2 , Q 3 ... Q n are connected, and the power supply voltage Vcc is applied to the error detection circuit 1a at the fifth terminal ⑤ between the first type terminal ① and the fourth terminal ④. Q 1 ) is formed, and a current proportional to the load current flowing through the third terminal ③ flows to the first terminal ①, and the voltage corresponding to the voltage generated between the first and third terminals ① ③ is the second terminal. In addition to (2), the voltage and the reference voltage are detected by the error detection circuit 1a, and the output signal of the error detection circuit 1a is classified by the classification transistor Q 1 and the driving transistors Q 2 , Q 3 ... Q n . Connects a DC motor (M) between a power supply terminal (V O ) and a third terminal (3) having a DC motor control IC (1) applied to a control input terminal of the A resistor is connected between the fifth terminal ⑤ and the first terminal ①, a voltage divider circuit is connected between the first terminal ① and the third terminal ③, and the voltage dividing point of the voltage divider circuit is connected to the second terminal ②. A speed control circuit for a direct-current motor (M), characterized in that a diode (2) is connected between the power supply terminal (V O ) and the fifth terminal (5). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900022067A 1990-01-10 1990-12-28 Speed control circuit for dc motor KR930007596B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002746A JP2607295B2 (en) 1990-01-10 1990-01-10 DC motor speed control circuit
JP?2-2746 1990-01-10
JP2-2746 1990-01-10

Publications (2)

Publication Number Publication Date
KR910015103A true KR910015103A (en) 1991-08-31
KR930007596B1 KR930007596B1 (en) 1993-08-13

Family

ID=11537918

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900022067A KR930007596B1 (en) 1990-01-10 1990-12-28 Speed control circuit for dc motor

Country Status (2)

Country Link
JP (1) JP2607295B2 (en)
KR (1) KR930007596B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608559Y2 (en) * 1978-12-20 1985-03-26 松下電器産業株式会社 Speed control device for small DC motor
JPS6288489U (en) * 1985-11-20 1987-06-05

Also Published As

Publication number Publication date
KR930007596B1 (en) 1993-08-13
JPH03207286A (en) 1991-09-10
JP2607295B2 (en) 1997-05-07

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