KR940020048A - Exhaust Fan Control Circuit - Google Patents

Exhaust Fan Control Circuit Download PDF

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Publication number
KR940020048A
KR940020048A KR1019930001364A KR930001364A KR940020048A KR 940020048 A KR940020048 A KR 940020048A KR 1019930001364 A KR1019930001364 A KR 1019930001364A KR 930001364 A KR930001364 A KR 930001364A KR 940020048 A KR940020048 A KR 940020048A
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KR
South Korea
Prior art keywords
motor
driving unit
output side
exhaust fan
motor driving
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KR1019930001364A
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Korean (ko)
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KR960007653B1 (en
Inventor
박승환
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박승환
주식회사 승우양행
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Priority to KR1019930001364A priority Critical patent/KR960007653B1/en
Publication of KR940020048A publication Critical patent/KR940020048A/en
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Publication of KR960007653B1 publication Critical patent/KR960007653B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N3/00—Regulating air supply or draught
    • F23N3/08—Regulating air supply or draught by power-assisted systems
    • F23N3/082—Regulating air supply or draught by power-assisted systems using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/005—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues using fans

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)

Abstract

본 발명은 배기팬 제어회로에 관한 것으로, 과전류로부터 모터구동부를 보호하고 연통을 통해 역풍이 불어오거나 연통에 연결된 호스 등의 일부가 막히더라도 폐가스가 원활하게 배출될 수 있도록 하기 위하여 정류수단(50)을 통해 직류로 변환된 입력전원을 정전압제어부(60)를 통해 모터를 회전구동시키기 위한 모터구동부(30)에 인가하고, 상보형 트랜지스터군으로 구성되며 상기 모터에 인접하게 위치된 홀센서를 통해 감지되는 상기 모터내의 회전자의 극성감지신호에 의거하여 구동제어되는 상기 모터구동부를 구비한 배기팬 제어회로에 있어서, 상기 홀센서의 극성감지신호에 의거하여 상기 모터구동부를 교번적으로 구동하기 위한 논리신호를 발생하는 논리게이트 수단(20)과; 상기 모터구동부에 과전류가 흐를 때 이 과전류 검출신호에 의거하여 상기 논리게이트수단을 제어함으로써 상기 모터구동부의 과전류를 방지하고, 무부하시에 상기 모터구동부의 부하전압에 의거하여 상기 정전압제어부를 제어함으로써 부하에 상응하게 상응된 전압신호가 상기 모터구동부에 인가되도록 제어하는 조절수단(70)을 구비한다.The present invention relates to an exhaust fan control circuit, and rectifying means (50) in order to protect the motor drive unit from overcurrent and to smoothly discharge the waste gas even if a part of the hose or the like connected to the back blowing through the communication is blocked. Input power converted into direct current through the motor is applied to the motor driving unit 30 for rotating the motor through the constant voltage control unit 60, and is composed of a complementary transistor group and sensed through the Hall sensor located adjacent to the motor In an exhaust fan control circuit having the motor driving unit controlled to be driven based on a polarity sensing signal of a rotor in the motor, logic for alternately driving the motor driving unit based on a polarity sensing signal of the hall sensor is provided. Logic gate means 20 for generating a signal; When the overcurrent flows to the motor driving unit, the logic gate means is controlled based on the overcurrent detection signal to prevent overcurrent of the motor driving unit, and under no load, the constant voltage control unit is controlled based on the load voltage of the motor driving unit. And adjusting means 70 for controlling a corresponding voltage signal to be applied to the motor driver.

Description

배기팬 제어회로Exhaust Fan Control Circuit

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

제 2도는 본 발명의 바람직한 실시예에 따른 배기팬 제어회로의 블럭구성도,2 is a block diagram of an exhaust fan control circuit according to a preferred embodiment of the present invention;

제 3도는 제2도의 세부회로도,3 is a detailed circuit diagram of FIG.

제 4도는 제3도에 도시된 평활수단을 설명하기 위한 부분회로도.4 is a partial circuit diagram for explaining the smoothing means shown in FIG.

Claims (5)

정류수단(50)을 통해 직류로 변환된 입력전원을 정전압제어부(60)를 통해 모터를 회전구동시키기 위한 모터구동부(30)에 인가하고, 상보형 트랜지스터군으로 구성되며 상기 모터에 인접하게 위치된 홀센서를 통해 감지되는 상기 모터내의 회전자의 극성감지신호에 의거하여 구동제어되는 상기 모터구동부를 구비한 배기팬 제어회로에 있어서, 상기 홀센서의 극성감지신호에 의거하여 상기 모터구동부를 교번적으로 구동하기 위한 논리회로를 발생하는 논리게이트 수단(20)과; 상기 모터구동부에 과전류가 흐를 때 이 과전류 검출신호에 의거하여 상기 논리게이트수단을 제어함으로써 상기 모터구동부의 과전류를 방지하고, 무부하시에 상기 모터구동부의 부하전압에 의거하여 상기 정전압제어부를 제어함으로써 부하에 상응하게 상응된 전압신호가 상기 모터구동부에 인가되도록 제어하는 조절수단(70)으로 이루어진 것을 특징으로 하는 배기팬 제어회로.The input power converted into direct current through the rectifying means 50 is applied to the motor driving unit 30 for rotating the motor through the constant voltage control unit 60, consisting of a complementary transistor group and located adjacent to the motor An exhaust fan control circuit including the motor driver that is driven and controlled based on a polarity detection signal of a rotor in the motor detected by a hall sensor, the motor driver being alternately based on a polarity detection signal of the hall sensor. Logic gate means (20) for generating a logic circuit for driving with; When the overcurrent flows to the motor driving unit, the logic gate means is controlled based on the overcurrent detection signal to prevent overcurrent of the motor driving unit, and under no load, the constant voltage control unit is controlled based on the load voltage of the motor driving unit. And an adjusting means (70) for controlling a voltage signal corresponding to the motor driver to be applied to the motor driver. 제1항에 있어서, 상기 논리게이트수단(20)은 그의 일측 및 타측입력단자가 상기 홀센서의 출력측에 접속된 제1NOR게이트(NOR1)와, 일측입력단자가 상기 홀센서의 출력측에 접속되고 타측입력단자가 상기 조절수단의 출력측에 접속된 제2NOR게이트(NOR2)와, 일측입력단자가 상기 조절수단의 출력측에 접속되고 타측입력단자가 상기 제1NOR게이트의 출력측에 접속된 제3NOR게이트(NOR3)로 구성된 것을 특징으로 하는 배기팬 제어회로.2. The logic gate means (20) according to claim 1, wherein the logic gate means (20) has a first NOR gate (NOR1) having one side and the other input terminal connected to the output side of the hall sensor, and one input terminal connected to the output side of the hall sensor. A second NOR gate NOR2 having an input terminal connected to the output side of the adjusting means, and a third NOR gate NOR3 having one input terminal connected to the output side of the adjusting means and the other input terminal connected to an output side of the first NOR gate; Exhaust fan control circuit, characterized in that consisting of. 제1항에 있어서, 상기 조절수단(70)은 저항(R19,R20)과 콘덴서(C9,C7)로 각각 형성된 두 개의 적분회로와 상기 저항(R19)에 병렬접속된 콘덴서(C8)로 구성된 평활수단과, 반전단자가 기준전위에 접속되고 비반전단자가 상기 평활수단에 접속된 제20P(72)앰프와, 상기 제20P앰프의 출력측에 그의 베이스가 접속된 제9트랜지스터(Q9)로 구성된 것을 특징으로 하는 배기팬 제어회로.2. The smoothing device of claim 1, wherein the adjusting means (70) is composed of two integration circuits each formed of resistors R19 and R20 and capacitors C9 and C7, and a capacitor C8 connected in parallel to the resistor R19. Means, a 20P (72) amplifier whose inverting terminal is connected to the reference potential and the non-inverting terminal is connected to the smoothing means, and a ninth transistor (Q9) whose base is connected to the output side of the 20P amplifier. An exhaust fan control circuit, characterized in that. 제1항 내지 제3항중 어느 한 항에 있어서, 상기 정전압제어부(60)는 정류수단(50)을 통해 변환된 직류전압을 충전하는 콘덴서(C1)와, 에미터가 상기 정류수단의 출력측에 접속되고 콜렉터가 초퍼코일(CHL)에 접속된 제7트랜지스터(Q7)와, 상기 초퍼코일을 통해 흐르는 전압을 충전하는 콘덴서(C3)와, 반전단자가 전압분압수단을 통해 상기 초퍼코일 및 상기 콘덴서(C3)에 접속되고 비반전단자가 상기 조절수단(70)의 출력측에 접속된 제10P앰프(64)와, 베이스가 이 제10P앰프의 출력측에 접속되고 콜렉터가 상기 제7트랜스터의 베이스에 접속된 제8트랜지스터(Q8)로 이루어지고, 상기 전압분압수단 및 상기 제10P앰프의 반전입력측 사이와 상기 초퍼코일의 입력측 사이에 초퍼코일의 단속주파수를 배기시키기 위한 궤환수단이 접속된 것을 특징으로 하는 배기팬 제어회로.4. The constant voltage control unit (60) according to any one of claims 1 to 3, wherein the constant voltage control unit (60) is connected to a capacitor (C1) for charging a DC voltage converted through the rectifying means (50), and an emitter is connected to the output side of the rectifying means. And a seventh transistor (Q7) whose collector is connected to the chopper coil (CHL), a capacitor (C3) for charging a voltage flowing through the chopper coil, and an inverting terminal through the voltage divider means. A 10P amplifier 64 connected to C3) and a non-inverting terminal connected to the output side of the adjusting means 70, a base connected to the output side of the 10P amplifier, and a collector connected to the base of the seventh transformer. And an feedback means for exhausting the intermittent frequency of the chopper coil between the voltage dividing means and the inverting input side of the 10P amplifier and the input side of the chopper coil. Exhaust fan control A. 제4항에 있어서, 상기 궤환수단은 직렬접속된 저항(R10)과 콘덴서(C2)로 이루어진 것을 특징으로 하는 배기팬 제어회로.5. The exhaust fan control circuit according to claim 4, wherein the feedback means comprises a resistor (R10) and a capacitor (C2) connected in series. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930001364A 1993-02-02 1993-02-02 Exhaust gas fan control circuit KR960007653B1 (en)

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Application Number Priority Date Filing Date Title
KR1019930001364A KR960007653B1 (en) 1993-02-02 1993-02-02 Exhaust gas fan control circuit

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Application Number Priority Date Filing Date Title
KR1019930001364A KR960007653B1 (en) 1993-02-02 1993-02-02 Exhaust gas fan control circuit

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KR940020048A true KR940020048A (en) 1994-09-15
KR960007653B1 KR960007653B1 (en) 1996-06-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015190891A1 (en) * 2014-06-12 2015-12-17 엘지전자 주식회사 Air conditioner and method for controlling same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015190891A1 (en) * 2014-06-12 2015-12-17 엘지전자 주식회사 Air conditioner and method for controlling same

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Publication number Publication date
KR960007653B1 (en) 1996-06-08

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