KR920022639A - Full-wave drive circuit of sensorless brushless DC motor - Google Patents

Full-wave drive circuit of sensorless brushless DC motor Download PDF

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Publication number
KR920022639A
KR920022639A KR1019910008376A KR910008376A KR920022639A KR 920022639 A KR920022639 A KR 920022639A KR 1019910008376 A KR1019910008376 A KR 1019910008376A KR 910008376 A KR910008376 A KR 910008376A KR 920022639 A KR920022639 A KR 920022639A
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South Korea
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phase
energization
signal
output
outputs
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KR1019910008376A
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Korean (ko)
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박영상
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이헌조
주식회사 금성사
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Priority to KR1019910008376A priority Critical patent/KR920022639A/en
Publication of KR920022639A publication Critical patent/KR920022639A/en

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Abstract

내용 없음.No content.

Description

센서리스 브러쉬리스 직류 모터의 전파 구동 회로Full-wave drive circuit of sensorless brushless DC motor

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

제3도는 본 발명에 따른 센서리스 브러쉬리스 직류모터의 전파 구동 회로도,3 is a radio wave driving circuit diagram of a sensorless brushless DC motor according to the present invention;

제4도는 제3도에 따른 통전각 결정부의 상세회로도,4 is a detailed circuit diagram of the energization angle determiner according to FIG.

제5(가) 내지 (머)도는 제3도에 따른 각부 타이밍도.5 (a) to (M) are the timing diagrams of the parts according to FIG.

Claims (3)

각상의 역기전력(U),(V),(W)을 공통전압(Vcom)과 비교하는 비교기(OP11), (OP12), (OP13)와, 그 비교기(OP11), (OP12), (OP13)의 출력(U1), (V1), (W1)의 에지 타이밍을 검출하는 배타적 오아링부(27)와, 그배타적 오아링부(27)의 출력에 따른 통전각 제어신호에 동기하여 상기 비교기(OP11), (OP12), (OP13)의 출력(U1),(V1),(W1)을 각기 소정 타이밍 지연시키는 신호지연기(21),(22),(23)와, 그 신호지연기(21),(22),(23)의 출력을 로직 처리하여 각상이 순차적으로 통전되도록 통전제어출력을 하는 통전제어 로직부(29)와, 그 통전제어 로직부(29)의 출력에 따라 제어되는 스위칭 수단을 통해서 각상의 통전 제어를 하는 각상 구동부(30)로 구성된 센서리스 브러쉬리스 직류모터의 전파구동회로에 있어서, 상기 배타적 오아링부(27)의 출력신호를 입력받아 적분하고, 통전각 기준전압(Vθ)과 비교한 후 에지검출에 따라 각상(U상, V상, W상)의 통전각이 120°이상이 되게 하는 통전각 제어클럭(CLK1),(CLK2)를 발생하여 그 통전각 제어클럭(CLK1)을 상기 신호지연기(21),(22),(23)의 클럭신호로 인가시키는 통전각 결정부(28)와, 그 통전각 결정부(28)의 통전각 제어클럭(CLK2)을 클럭신호로 인가받아 상기 비교기(OP11),(OP12),(OP13)의 출력(U1),(V1),(W1)을 각기 동기시켜 상기 통전제어로직부(29)에 출력시키는 신호지연기(24),(25),(26)를 포함시켜 구성한 것을 특징으로 하는 센서리스 브러쉬리스 직류모터의 전파구동회로.Comparators (OP11), (OP12), (OP13) for comparing the counter electromotive force (U), (V), (W) of each phase with the common voltage (Vcom), the comparators (OP11), (OP12), (OP13) The comparator OP11 in synchronization with an exclusive oaring section 27 for detecting the edge timings of the outputs U1, V1, and W1 of the control unit and an energization angle control signal according to the output of the exclusive oaring section 27. , Signal delayers 21, 22, and 23 for delaying the outputs U1, V1, and W1 of (OP12), (OP13) by a predetermined timing, respectively, and the signal delayers 21 thereof. And a switching means controlled according to the output of the energization control logic unit 29, which performs an electricity supply control output so that each phase is energized sequentially by performing logic processing on the outputs of (22) and (23). In the propagation drive circuit of the sensorless brushless DC motor composed of each phase driving unit 30 for controlling the energization of each phase through the input, the output signal of the exclusive oaring unit 27 is received and integrated, and the current-angle reference voltage V compared to θ) According to the edge detection, the conduction angle control clocks CLK1 and CLK2 are generated so that the conduction angle of each phase (U phase, V phase, W phase) becomes 120 ° or more, and the conduction angle control clock CLK1 is generated as the signal. The energization angle determination unit 28 for applying the clock signals of the delayers 21, 22, and 23 and the energization angle control clock CLK2 of the energization angle determination unit 28 are applied as clock signals. Signal delayers 24, 25 for synchronizing the outputs U1, V1, W1 of the comparators OP11, OP12, OP13 to the energization control logic section 29, respectively. ) And (26), the propagation drive circuit of a sensorless brushless DC motor. 제1항에 있어서, 통전제어 로직부(29)는 신호지연기(21,22,23), (24,25,26)의 출력(a1,b1,c1), (a2,b2,c2)을 입력받아가 되게 로직조합하여 각상(U상,V상,W상) 통전제어 신호로 출력하도록 구성된 것을 특징으로 하는 센서리스 브러쉬스 직류모터의 전파구동회로.2. The energization control logic section 29 according to claim 1, characterized in that the output delays (a1, b1, c1), (a2, b2, c2) of the signal delays (21, 22, 23), (24, 25, 26). Take input A radio wave driving circuit of a sensorless brushed DC motor, characterized in that the logic combination is configured to output each phase (U-phase, V-phase, W-phase) energization control signal. 제1항에 있어서, 통전각 결정부(28)는 배타적 오아링부(27)의 출력을 직접 및 인버터(I21)를 통해 인가받아 애지타이밍에 직선적으로 상승/하강되게 적분시키는 적분기(28-1),(28-2)와, 그 적분기(28-1),(28-2)의 출력과 통전각 제어 기준전압(Vθ)을 각기 비교하여 구형파신호로 출력하는 비교기(Op23),(OP24)와, 그 비교기(OP23),(OP24)의 출력을 입력받아 각기 상승 및 하강에지 타이밍을 검출하여 그 에지 타이밍에 상승에지가 되는 통전각 제어클럭(CLK1),(CLK2)을 발생시키는 에지검출부(28-3),(28-4)로 구성하여 된 것을 특징으로 하는 센서리스 브러쉬리스 직류모터의 전파 구동회로.2. The integrator 28-1 according to claim 1, wherein the energization angle determiner 28 integrates the output of the exclusive oaring portion 27 directly and through the inverter I21 to integrate the up / down linearly to the agitating. Comparator (Op23) and (OP24) for comparing the outputs of the integrators 28-1, 28-2, and the conduction angle control reference voltage V θ , respectively, and outputting them as square wave signals. And an edge detector which detects rising and falling edge timings by receiving the outputs of the comparators OP23 and OP24 and generates energizing angle control clocks CLK1 and CLK2 that become rising edges at the edge timings thereof. 28-3) and (28-4), the propagation drive circuit of a sensorless brushless DC motor. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910008376A 1991-05-23 1991-05-23 Full-wave drive circuit of sensorless brushless DC motor KR920022639A (en)

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KR1019910008376A KR920022639A (en) 1991-05-23 1991-05-23 Full-wave drive circuit of sensorless brushless DC motor

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KR1019910008376A KR920022639A (en) 1991-05-23 1991-05-23 Full-wave drive circuit of sensorless brushless DC motor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100319137B1 (en) * 2000-01-06 2001-12-29 구자홍 Method and apparatus for speed control of a brushless DC motor
KR100408056B1 (en) * 2001-05-25 2003-12-03 엘지전자 주식회사 Driving control method of switched reluctance motor for single sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100319137B1 (en) * 2000-01-06 2001-12-29 구자홍 Method and apparatus for speed control of a brushless DC motor
KR100408056B1 (en) * 2001-05-25 2003-12-03 엘지전자 주식회사 Driving control method of switched reluctance motor for single sensor

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