KR970017202A - V Seed's Drum Servo Unit - Google Patents

V Seed's Drum Servo Unit Download PDF

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Publication number
KR970017202A
KR970017202A KR1019950033536A KR19950033536A KR970017202A KR 970017202 A KR970017202 A KR 970017202A KR 1019950033536 A KR1019950033536 A KR 1019950033536A KR 19950033536 A KR19950033536 A KR 19950033536A KR 970017202 A KR970017202 A KR 970017202A
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KR
South Korea
Prior art keywords
terminal
transistor
emitter
stator coil
cathode
Prior art date
Application number
KR1019950033536A
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Korean (ko)
Other versions
KR0154960B1 (en
Inventor
윤희성
Original Assignee
배순훈
대우전자 주식회사
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Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950033536A priority Critical patent/KR0154960B1/en
Publication of KR970017202A publication Critical patent/KR970017202A/en
Application granted granted Critical
Publication of KR0154960B1 publication Critical patent/KR0154960B1/en

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

본 발명은 VCR의 드럼 서보 장치에 관한 것으로, 제1 및 제2고정자 코일(110A,110B)과, 상기 제1 및 제2고정자 코일(110A,110B)에 전류가 흐르면 회전 자계에 의해 회전하는 회전자(120), 및 상기 회전자(120)에 기설정 간격으로 취부된 N극과 S극의 자석(130)을 구비한 드럼 모터(10)와, 상기 자석(130)에 의해 전압을 발생하는 제1 및 제2홀소자(210,220)를 구비한 VCR의 드럼 서보 장치에 있어서; 상기 드럼 모터(10)의 속도와 위상을 제어하기 위한 PWM 펄스를 제공하는 제어부(40), 상기 제1홀소자(210)에 베이스단이 연결되고 콜렉터단에 상기 제어부(40)의 PWM파가 입력되는 제1트랜지스터(Q1), 상기 제2홀소자(220)에 베이스단이 연결되고 콜렉터단에 상기 제어부(40)의 PWM파가 입력되는 제2트랜지스터(Q2), 애노드단에 전원 전압이 인가되고 캐소드단에 상기 제1고정자 코일(110A)의 일단이 연결되며 게이트단에 상기 제1트랜지스터(Q1)의 에미터단이 연결된 제1SCR(S1), 애노드단에 상기 제1고정자 코일(110A)의 타단이 연결되고 캐소드단은 접지되며 게이트단에 상기 제1트랜지스터(Q1)의 에미터단이 연결된 제2SCR(S2), 애노드단에 전원 전압이 인가되고 캐소드단에 상기 제2고정자 코일(110B)의 일단이 연결되며 게이트단에 제2트랜지스터(Q2)의 에미터단이 열결된 제3SCR(S3), 애노드단에 상기 제2고정자 코일(110B)의 타단이 연결되고 캐소드단은 접지되며 게이트단에 상기 제2트랜지스터(Q2)의 에미터단이 연결된 제4SCR(S4)을 더 구비하여 구성함을 특징으로 한다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drum servo device of a VCR, wherein a current rotates by a rotating magnetic field when current flows through the first and second stator coils 110A and 110B and the first and second stator coils 110A and 110B. A drum motor 10 having an electron 120 and a magnet 130 of an N pole and an S pole mounted on the rotor 120 at predetermined intervals, and a voltage generated by the magnet 130. A drum servo apparatus of a VCR having first and second hall elements (210, 220); The control unit 40 for providing a PWM pulse for controlling the speed and phase of the drum motor 10, the base end is connected to the first hall element 210 and the PWM wave of the control unit 40 at the collector end A power supply voltage is applied to a first transistor Q1 and a second transistor Q2 to which a base terminal is connected to the second Hall element 220, and a PWM wave of the controller 40 is input to the collector terminal. A first SCR (S1) is applied, one end of the first stator coil 110A is connected to a cathode end, and an emitter end of the first transistor Q1 is connected to a gate end, and the first stator coil 110A is connected to an anode end. The other end of the second terminal is connected to the ground and the cathode terminal is connected to the emitter terminal of the first transistor (Q1) SCR (S2), a power supply voltage is applied to the anode terminal and the second stator coil (110B) to the cathode terminal Is connected to one end of the emitter terminal of the second transistor (Q2) is connected to the gate end 3SCR (S3), the other end of the second stator coil (110B) is connected to the anode end, the cathode end is grounded and further comprises a fourth SCR (S4) connected to the emitter end of the second transistor (Q2) at the gate end It is characterized by the configuration.

Description

브이 씨 알의 드럼 서보 장치V Seed's Drum Servo Unit

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

제1도는 종래 기술의 VCR의 드럼 서보 장치를 나타낸 상세 구성도,1 is a detailed block diagram showing a drum servo device of a conventional VCR;

제2도는 본 발명의 바람직한 실시예를 나타내는 상세 구성도.2 is a detailed block diagram showing a preferred embodiment of the present invention.

Claims (1)

제1 및 제2고정자 코일(110A,110B)과, 상기 제1 및 제2고정자 코일(110A,110B)에 전류가 흐르면 회전 자계에 의해 회전하는 회전자(120), 및 상기 회전자(120)에 기설정 간격으로 취부된 N극과 S극의 자석(130)을 구비한 드럼 모터(10)와, 상기 자석(130)에 의해 전압을 발생하는 제1 및 제2홀소자(210,220)를 구비한 VCR의 드럼 서보 장치에 있어서; 상기 드럼 모터(10)의 속도와 위상을 제어하기 위한 PWM 펄스를 제공하는 제어부(40), 상기 제1홀소자(210)에 베이스단이 연결되고 콜렉터단에 상기 제어부(40)의 PWM파가 입력되는 제1트랜지스터(Q1), 상기 제2홀소자(220)에 베이스단이 연결되고 콜렉터단에 상기 제어부(40)의 PWM파가 입력되는 제2트랜지스터(Q2), 애노드단에 전원 전압이 인가되고 캐소드단에 상기 제1고정자 코일(110A)의 일단이 연결되며 게이트단에 상기 제1트랜지스터(Q1)의 에미터단이 연결된 제1SCR(S1), 애노드단에 상기 제1고정자 코일(110A)의 타단이 연결되고 캐소드단은 접지되며 게이트단에 상기 제1트랜지스터(Q1)의 에미터단이 연결된 제2SCR(S2), 애노드단에 전원 전압이 인가되고 캐소드단에 상기 제2고정자 코일(110B)의 일단이 연결되며 게이트단에 제2트랜지스터(Q2)의 에미터단이 열결된 제3SCR(S3), 애노드단에 상기 제2고정자 코일(110B)의 타단이 연결되고 캐소드단은 접지되며 게이트단에 상기 제2트랜지스터(Q2)의 에미터단이 연결된 제4SCR(S4)을 더 구비하여 구성한 VCR의 드럼 서보 장치.When current flows in the first and second stator coils 110A and 110B, the first and second stator coils 110A and 110B, the rotor 120 rotates by a rotating magnetic field, and the rotor 120. A drum motor 10 having magnets 130 of N and S poles mounted at predetermined intervals, and first and second Hall elements 210 and 220 generating voltage by the magnets 130. A drum servo apparatus of one VCR; The control unit 40 for providing a PWM pulse for controlling the speed and phase of the drum motor 10, the base end is connected to the first hall element 210 and the PWM wave of the control unit 40 at the collector end A power supply voltage is applied to a first transistor Q1 and a second transistor Q2 to which a base terminal is connected to the second Hall element 220, and a PWM wave of the controller 40 is input to the collector terminal. A first SCR (S1) is applied, one end of the first stator coil 110A is connected to a cathode end, and an emitter end of the first transistor Q1 is connected to a gate end, and the first stator coil 110A is connected to an anode end. The other end of the second terminal is connected to the ground and the cathode terminal is connected to the emitter terminal of the first transistor (Q1) SCR (S2), a power supply voltage is applied to the anode terminal and the second stator coil (110B) to the cathode terminal Is connected to one end of the emitter terminal of the second transistor (Q2) is connected to the gate end 3SCR (S3), the other end of the second stator coil (110B) is connected to the anode end, the cathode end is grounded and further comprises a fourth SCR (S4) connected to the emitter end of the second transistor (Q2) at the gate end The drum servo device of the configured VCR. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950033536A 1995-09-30 1995-09-30 Drum servo apparatus of vcr KR0154960B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950033536A KR0154960B1 (en) 1995-09-30 1995-09-30 Drum servo apparatus of vcr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950033536A KR0154960B1 (en) 1995-09-30 1995-09-30 Drum servo apparatus of vcr

Publications (2)

Publication Number Publication Date
KR970017202A true KR970017202A (en) 1997-04-30
KR0154960B1 KR0154960B1 (en) 1998-12-15

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ID=19428939

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950033536A KR0154960B1 (en) 1995-09-30 1995-09-30 Drum servo apparatus of vcr

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Country Link
KR (1) KR0154960B1 (en)

Also Published As

Publication number Publication date
KR0154960B1 (en) 1998-12-15

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