KR970017337A - VRC's Drum Motor Drive - Google Patents

VRC's Drum Motor Drive Download PDF

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Publication number
KR970017337A
KR970017337A KR1019950033529A KR19950033529A KR970017337A KR 970017337 A KR970017337 A KR 970017337A KR 1019950033529 A KR1019950033529 A KR 1019950033529A KR 19950033529 A KR19950033529 A KR 19950033529A KR 970017337 A KR970017337 A KR 970017337A
Authority
KR
South Korea
Prior art keywords
rotor
voltage
stator coil
drum motor
induced
Prior art date
Application number
KR1019950033529A
Other languages
Korean (ko)
Other versions
KR0170153B1 (en
Inventor
윤희성
Original Assignee
배순훈
대우전자 주식회사
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 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950033529A priority Critical patent/KR0170153B1/en
Publication of KR970017337A publication Critical patent/KR970017337A/en
Application granted granted Critical
Publication of KR0170153B1 publication Critical patent/KR0170153B1/en

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Classifications

    • 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

Abstract

본 발명은 VCR(Video Cassette decoder)의 서보(servo)계에 있어서 특히 비디오 헤드(video head)의 회전을 제어하는 드럼 모터(Drum motor)를 구동하는 드럼 모터 구동 장치에 관한 것으로, 회전 자제에 의해 회전하는 회전자(120)와, 상기 회전자(120)에 기설정 간격으로 취부된 N극과 S극의 자석(130)을 구비한 드럼 모터(10)를 구동하기 위한 VCR의 드럼 모터 구동 장치에 있어서; 전류가 유기되면 자계를 형성하여 상기 회전자(120)를 회전시키는 제1고정자 코일(110A), 상기 회전자(120)가 회전함에 따라 회전자(120)에 부착된 자석에 의해 역기전력이 유기되고, 전류가 유기되면 자계를 형성하여 상기 회전자(120)를 회전시키는 제2고정자 코일(110B), 상기 자석(130)과 대면하면 전압을 발생하는 홀소자(210), 상기 홀소자(210)에 발생된 전압에 따라 상기 제1고정자 코일(110A)에 전류가 제공되도록 제어하는 제1모터 구동 수단, 상기 제2고정자 코일(110B)에 유기된 역기전력에 따른 전압을 저역 필터링하여 노이즈를 제거하는 저역 통과 필터(230), 상기 저역 통과 필터(230)에 의해 노이즈가 제거된 전압을 증폭하는 증폭기(240), 상기 중폭기(240)에 의해 증폭된 전압을 펄스파 형태로 변환하여 출력하는 슈미트 트리거(250), 상기 슈미터 트리거(250)에서 출력한 펄스파 형태의 전압을 반전시켜 출력하는 반전부(260), 상기 슈미터 트리거(250)와 상기 반전부(260)의 출력 전압에 따라 상기 제2고정자 코일(110B)에 전류가 제공되도록 제어하는 제2모터 구동 수단을 구비하여 구성함을 특징으로 한다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drum motor driving apparatus for driving a drum motor that controls the rotation of a video head in a servo system of a video cassette decoder (VCR). A drum motor driving device of a VCR for driving a drum motor 10 having a rotating rotor 120 and magnets 130 of N and S poles mounted on the rotor 120 at predetermined intervals. To; When the current is induced, the first stator coil 110A for forming a magnetic field to rotate the rotor 120, and the counter electromotive force is induced by the magnet attached to the rotor 120 as the rotor 120 rotates. The second stator coil 110B, which rotates the rotor 120 by forming a magnetic field when current is induced, the Hall element 210 that generates a voltage when facing the magnet 130, and the Hall element 210. The first motor driving means for controlling the current supplied to the first stator coil (110A) according to the voltage generated in the low-pass filter to remove noise by low-pass filtering the voltage according to the back EMF induced in the second stator coil (110B) A low pass filter 230, an amplifier 240 that amplifies the voltage from which noise is removed by the low pass filter 230, and Schmitt converting the voltage amplified by the heavy amplifier 240 into a pulse wave form. Trigger 250, on the schmitter trigger 250 Inverter 260 for inverting and outputting an output pulse wave voltage, and controlling the current to be supplied to the second stator coil 110B according to the output voltages of the schmitter trigger 250 and the inverter 260. It is characterized by comprising a second motor drive means.

Description

브이씨알의 드럼 모터 구동 장치VRC's Drum Motor Drive

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

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

Claims (1)

회전 자계에 의해 회전하는 회전자(120)와, 상기 회전자(120)에 기설정 간격으로 취부된 N극과 S극의 자석(130)을 구비한 드럼 모터(10)를 구동하기 위한 VCR의 드럼 모터 구동 장치에 있어서; 전류가 유기되면 자계를 형성하여 상기 회전자(120)를 회전시키는 제1고정자 코일(110A), 상기 회전자(120)가 회전함에 따라 회전자(120)에 부착된 자석에 의해 역기전력이 유기되고, 전류가 유기되면 자계를 형성하여 상기 회전자(120)를 회전시키는 제2고정자 코일(110B), 상기 자석(130)과 대면하면 전압을 발생하는 홀소자(210), 상기 홀소자(210)에 발생된 전압에 따라 상기 제1고정자 코일(110A)에 전류가 제공되도록 제어하는 제1드럼 모터 구동 제어 수단, 상기 제2고정자 코일(110B)에 유기된 역기전력에 따른 전압을 저역 필터링하여 노이즈를 제거하는 저역 통과 필터(230), 상기 저역 통과 필터(230)에 의해 노이즈가 제거된 전압을 증폭하는 증폭기(240), 상기 증폭기(240)에 의해 증폭된 전압을 펄스파 형태로 변환하여 출력하는 슈미터 트리거(250), 상기 슈미터 트리거(250)에서 출력한 펄스파 형태의 전압을 반전시켜 출력하는 반전부(260), 상기 슈미터 트리거(250)와 상기 반전부(230)의 출력 전압에 따라 상기 제2고정자 코일(110B)에 전류가 제공되도록 제어하는 제2드럼 모터 구동 제어 수단을 구비하여 구성한 VCR의 드럼 모터 구동 장치.A VCR for driving a drum motor 10 having a rotor 120 rotating by a rotating magnetic field and a magnet 130 of an N pole and an S pole mounted on the rotor 120 at predetermined intervals. A drum motor driving apparatus; When the current is induced, the first stator coil 110A for forming a magnetic field to rotate the rotor 120, and the counter electromotive force is induced by the magnet attached to the rotor 120 as the rotor 120 rotates. The second stator coil 110B, which rotates the rotor 120 by forming a magnetic field when current is induced, the Hall element 210 that generates a voltage when facing the magnet 130, and the Hall element 210. A first drum motor driving control means for controlling a current to be supplied to the first stator coil 110A according to a voltage generated in the low frequency filter, and a low frequency filtering voltage according to back electromotive force induced in the second stator coil 110B to reduce noise. The low pass filter 230 to remove, the amplifier 240 to amplify the voltage from which the noise is removed by the low pass filter 230, and converts the voltage amplified by the amplifier 240 into a pulse wave form Schmitter trigger 250, the schmitter tree An inverter 260 for inverting and outputting a pulse wave-type voltage output from the giant 250 and the second stator coil 110B according to output voltages of the schmitter trigger 250 and the inverter 230. A drum motor drive device for a VCR, comprising a second drum motor drive control means for controlling a current to be provided. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950033529A 1995-09-30 1995-09-30 Drum motor driving apparatus of vcr KR0170153B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950033529A KR0170153B1 (en) 1995-09-30 1995-09-30 Drum motor driving apparatus of vcr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950033529A KR0170153B1 (en) 1995-09-30 1995-09-30 Drum motor driving apparatus of vcr

Publications (2)

Publication Number Publication Date
KR970017337A true KR970017337A (en) 1997-04-30
KR0170153B1 KR0170153B1 (en) 1999-04-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950033529A KR0170153B1 (en) 1995-09-30 1995-09-30 Drum motor driving apparatus of vcr

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101505023B1 (en) * 2013-03-05 2015-03-30 주식회사 만도 Electronic parking brake and control method thereof

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KR0170153B1 (en) 1999-04-15

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