KR950029730A - Refrigerator fan motor control method and circuit - Google Patents

Refrigerator fan motor control method and circuit Download PDF

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Publication number
KR950029730A
KR950029730A KR1019940007091A KR19940007091A KR950029730A KR 950029730 A KR950029730 A KR 950029730A KR 1019940007091 A KR1019940007091 A KR 1019940007091A KR 19940007091 A KR19940007091 A KR 19940007091A KR 950029730 A KR950029730 A KR 950029730A
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KR
South Korea
Prior art keywords
fan motor
refrigerator
microcomputer
relay
voltage
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Application number
KR1019940007091A
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Korean (ko)
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KR0123429B1 (en
Inventor
이기형
Original Assignee
김광호
삼성전자 주식회사
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Priority to KR1019940007091A priority Critical patent/KR0123429B1/en
Publication of KR950029730A publication Critical patent/KR950029730A/en
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Publication of KR0123429B1 publication Critical patent/KR0123429B1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/005Mounting of control devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/28Arrangements for controlling current

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

본 발명은 냉장고의 제어장치에 관한 것으로서, 특히 전자식 냉장고의 기능에 있어 냉기를 순환시키는 냉각용 팬 모터의 제어를 입력전압이 변동할 경우에도 항시 일정한 회전속도를 유지하고, 초기 기동시와 제상후 복귀시 냉장고 내부의 온도를 신속히 상승시키기 위해 고속 회전토록 하되, 기동콘덴서의 용량을 변화시켜 위상차 조절로서 회전속도가 제어되도록 하는 냉장고의 냉각 팬 모터 제어방법 및 그 회로에 관한 것이다.The present invention relates to a control device of a refrigerator, and in particular, in the function of an electronic refrigerator, the control of a cooling fan motor that circulates cold air always maintains a constant rotational speed even when an input voltage is changed, and during initial startup and after defrosting. The present invention relates to a cooling fan motor control method and a circuit of the refrigerator to allow a high speed rotation in order to rapidly increase the temperature inside the refrigerator at the time of return, so that the rotation speed is controlled by changing the capacity of the starting capacitor.

Description

냉장고의 냉각 팬 모터 제어방법 및 그 회로Refrigerator fan motor control method and circuit

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

제2도는 본 발명에 따른 냉장고의 냉각 팬 모터 제어회로도.2 is a cooling fan motor control circuit diagram of a refrigerator according to the present invention.

Claims (5)

마이콤의 제어에 의해 동작되어 냉기를 조절하는 냉장고의 냉각 팬모터 제어방법에 있어서, 초기기동 및 제상 복귀시에는 팬 모터를 고속 회전시켜 신속히 냉각시키고, 상기 마이콤에 인가되는 입력전압의 세기를 감지하여 과전압이 인가될 경우 팬 모터의 회전속도를 감소시키고, 상기 마이콤에 인가되는 입력전압의 세기를 감지하여 저전압이 인가되면 팬 모터의 회전속도를 상승시켜 팬 모터를 입력전압의 변동에 관계없이 일정한 회전수로서 제어하고, 상기 팬 모터의 회전수 제어는 팬 모터의 서브라인에 연결되는 기동콘덴서의 용량을 가변시켜 제어토록 한 것을 특징으로 하는 냉장고의 냉각 팬모터 제어 방법.In the cooling fan motor control method of the refrigerator operated by the control of the microcomputer to control the cold air, during the initial start-up and defrosting, the fan motor is rotated at high speed to cool rapidly, and senses the intensity of the input voltage applied to the microcomputer When the over voltage is applied, the rotation speed of the fan motor is reduced, and the intensity of the input voltage applied to the microcomputer is sensed, and when the low voltage is applied, the rotation speed of the fan motor is increased to rotate the fan motor regardless of the change of the input voltage. And controlling the number of revolutions of the fan motor by varying the capacity of the starting capacitor connected to the sub-line of the fan motor. 마이콤의 출력측에 스위칭부가 연결되어 상기 마이콤의 제어에 의해 냉기를 순환시켜 주는 냉장고의 냉각 팬 모터 제어회로에 있어서, 상기 마이콤(30)의 입력측에 연결되어 입력전압의 레벨을 감지하여 설정된 기준전압보다 높은 전압을 검출하는 고전압검출수단(10)과, 상기 마이콤(30)의 입력측에 연결되어 입력전압의 레벨을 감지하여 설정된 기준전압보다 낮은 전압을 검출하는 저전압검출수단(20)과, 상기 팬 모터(60)의 서브라인(SL)에 병렬 접속되어 위상차를 제공하는 다수의 제1 내지 제3 기동콘덴서(Ca-Cc)와, 상기 스위칭부(40) 및 팬 모터(60)사이에 연결되어 팬 모터에 구동전류를 공급하고, 상기 제1 내지 제3 기동곤덴서(Ca-Cc)를 팬 모터의 서브라인(SL)에 선택적으로 연결시키는 모터제어부(50)를 구비하여서 된 냉장고의 냉각 팬 모터 제어회로.In the cooling fan motor control circuit of the refrigerator that is connected to the output side of the microcomputer to circulate the cold air by the control of the microcomputer, connected to the input side of the microcomputer 30 senses the level of the input voltage than the set reference voltage A high voltage detecting means 10 for detecting a high voltage, a low voltage detecting means 20 connected to an input side of the microcomputer 30 to detect a level of an input voltage to detect a voltage lower than a set reference voltage, and the fan motor A plurality of first to third starting capacitors Ca-Cc connected in parallel to the subline SL of 60 to provide a phase difference, and connected between the switching unit 40 and the fan motor 60 to provide a fan. Cooling fan motor of the refrigerator provided with a motor control unit 50 for supplying a drive current to the motor and selectively connecting the first to third starting capacitors (Ca-Cc) to the subline (SL) of the fan motor. Control circuit. 제2항에 있어서, 상기 제1 내지 제3 기동콘덴서(Ca-Cc)의 용량값을 서로 다르게 설정한 것을 특징으로 하는 냉장고의 냉각 팬 모터 제어회로.The cooling fan motor control circuit according to claim 2, wherein the capacitance values of the first to third starting capacitors (Ca-Cc) are set differently. 제2항에 있어서 상기 모터제어부(50)는, 2회로 2접점을 갖는 제1 및 제2릴레이(5a)(5b)로 이루어진 것을 특징으로 하는 냉장고의 냉각 팬 모터 제어회로.The cooling fan motor control circuit of a refrigerator according to claim 2, wherein the motor control unit (50) comprises first and second relays (5a) (5b) having two circuits and two contacts. 제3항에 있어서, 상기 제1릴레이(50a)의 공통접점(C1)(C2′)에는 전원부와 팬 모터(60)의 메인라인(ML)에 연결되고, 상기 제1릴레이(50a)의 노멀 클로즈접점(NC1)(NC1′)에는 제2릴레이(50b)의 공통접점(C2)과 노멀 오픈접점(NC2) 및 제1기동콘덴서(Ca)가 접속되고, 상기 제1릴레이(50a)의 노멀 오픈접점(NO1)(NO1′)을 서로 연결하여 제2릴레이(50b)의 공통접점(C2′)에 접속하고, 상기 제2릴레이(50b)의 노멀 오픈접점(NO2′)과 노멀 클로즈접점(NC2′)에는 제2 및 제3기동콘덴서(Cb)(Cc)가 연결되어 이루어진 것을 특징으로 하는 냉장고의 냉각 팬 모터 제어회로.The control circuit of claim 3, wherein the common contact C1 (C2 ′) of the first relay 50a is connected to a power supply unit and a main line ML of the fan motor 60, and the normal of the first relay 50a. The common contact C2 of the second relay 50b, the normal open contact NC2, and the first starting capacitor Ca are connected to the close contact NC1 (NC1 '), and the normal of the first relay 50a is connected. The open contact NO1 (NO1 ') is connected to each other and connected to the common contact C2' of the second relay 50b, and the normal open contact NO2 'and the normal close contact of the second relay 50b ( NC2 ') cooling fan motor control circuit of the refrigerator, characterized in that the second and third starting capacitor (Cb) (Cc) is connected to. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940007091A 1994-04-04 1994-04-04 Cooling fan motor method & circuit of refrigerators KR0123429B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940007091A KR0123429B1 (en) 1994-04-04 1994-04-04 Cooling fan motor method & circuit of refrigerators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940007091A KR0123429B1 (en) 1994-04-04 1994-04-04 Cooling fan motor method & circuit of refrigerators

Publications (2)

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KR950029730A true KR950029730A (en) 1995-11-24
KR0123429B1 KR0123429B1 (en) 1997-11-15

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CN112177961B (en) * 2020-09-10 2022-02-01 珠海格力电器股份有限公司 Fan frequency control method and device, air curtain machine and display cabinet

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