KR930011394A - Motor driving circuit - Google Patents

Motor driving circuit Download PDF

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Publication number
KR930011394A
KR930011394A KR1019920021622A KR920021622A KR930011394A KR 930011394 A KR930011394 A KR 930011394A KR 1019920021622 A KR1019920021622 A KR 1019920021622A KR 920021622 A KR920021622 A KR 920021622A KR 930011394 A KR930011394 A KR 930011394A
Authority
KR
South Korea
Prior art keywords
power transistor
base
transistor
ground terminal
driving circuit
Prior art date
Application number
KR1019920021622A
Other languages
Korean (ko)
Inventor
데츠로 야마다
Original Assignee
사토 후미오
가부시키가이샤 도시바
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 사토 후미오, 가부시키가이샤 도시바 filed Critical 사토 후미오
Publication of KR930011394A publication Critical patent/KR930011394A/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors

Landscapes

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

Abstract

본 발명은 제조코스트를 낮추는 동시에 전체의 구성을 소형화하기 위한 모터구동회로에 관한 것으로서, 파워트랜지스터(11)의 에미터(11a)와 접지단자 사이에 모터를 설치하는 동시에 파워 트랜지스터(11)의 베이스(11b)와 접지단자사이에 정전압소자(13)를 설치하고 직류전원단자(14)에 파워 트랜지스터(11)의 콜렉터(11c)를 접속하여 파워 트랜지스터(11)의 베이스 (11b)와 파워 트랜지스터(11)의 콜렉터(11c)사이에 파워 트랜지스터(11)의 베이스 전류를 제어하기 위한 소전류용 트랜지스터(15)를 설치하고, 이에따라 전압 안정화용으로 1개의 파워 트랜지스터(11)를 스위칭 소자로써 겸용한 것을 특징으로 한다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor drive circuit for reducing the manufacturing cost and miniaturizing the overall structure. The present invention provides a base between the emitter 11a of the power transistor 11 and the ground terminal. A constant voltage element 13 is provided between the 11b and the ground terminal, and the collector 11c of the power transistor 11 is connected to the DC power supply terminal 14 so that the base 11b of the power transistor 11 and the power transistor ( A small current transistor 15 for controlling the base current of the power transistor 11 is provided between the collectors 11c of 11), whereby one power transistor 11 is used as a switching element for voltage stabilization. It is characterized by.

Description

모터 구동회로Motor driving circuit

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

제1도는 본 발명의 한 실시예를 나타내는 전기회로도.1 is an electrical circuit diagram showing an embodiment of the present invention.

Claims (1)

파워 트랜지스터 및 정전압 소자에 의해 모터에 직류정전압을 인가하도록 구성한 모티구동회로에 있어서, 상기 파워 트랜지스터의 에미터와 접지단자사이에 상기 모터를 설치하는 동시에 상기 파워 트랜지스터의 베이스와 상기 접지단자 사이에 상기 정전압 소자를 설치하고 직류전압 단자에 상기 파워 트랜지스터의 콜렉터를 접속하여 상기 파워 트랜지스터의 베이스와 상기 파워 트랜지스터의 콜렉터 사이에 상기 파워 트탠지스터의 베이스 전류를 제어하기 위한 소전류용 트랜지스터를 설치한 것을 특징으로 하는 모터구동회로.A Morty driving circuit configured to apply a DC constant voltage to a motor by means of a power transistor and a constant voltage element, wherein the motor is provided between the emitter and the ground terminal of the power transistor, and is connected between the base and the ground terminal of the power transistor. A constant current device is provided, and a small current transistor for controlling the base current of the power transistor is provided between the base of the power transistor and the collector of the power transistor by connecting a collector of the power transistor to a DC voltage terminal. Motor drive circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920021622A 1991-11-18 1992-11-18 Motor driving circuit KR930011394A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP91-300963 1991-11-18
JP3300963A JPH05146193A (en) 1991-11-18 1991-11-18 Motor drive circuit

Publications (1)

Publication Number Publication Date
KR930011394A true KR930011394A (en) 1993-06-24

Family

ID=17891184

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920021622A KR930011394A (en) 1991-11-18 1992-11-18 Motor driving circuit

Country Status (2)

Country Link
JP (1) JPH05146193A (en)
KR (1) KR930011394A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003007466A1 (en) * 2001-07-12 2003-01-23 Brother Kogyo Kabushiki Kaisha Dc motor drive circuit and tape printer comprising the same circuit

Also Published As

Publication number Publication date
JPH05146193A (en) 1993-06-11

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application