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KR970007149A - Defrost Control Device and Method of Air Conditioner - Google Patents

Defrost Control Device and Method of Air Conditioner Download PDF

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Publication number
KR970007149A
KR970007149A KR1019950021561A KR19950021561A KR970007149A KR 970007149 A KR970007149 A KR 970007149A KR 1019950021561 A KR1019950021561 A KR 1019950021561A KR 19950021561 A KR19950021561 A KR 19950021561A KR 970007149 A KR970007149 A KR 970007149A
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South Korea
Prior art keywords
temperature
outdoor
heat exchanger
outdoor heat
defrosting
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KR1019950021561A
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Korean (ko)
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KR0146310B1 (en
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김태덕
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김광호
삼성전자 주식회사
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F24F11/42—Defrosting; Preventing freezing of outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

본 발명의 공기조화기의 제상제어장치 및 방법에 관한 것으로, 특히 실외열교환기(5), 사방밸브(2), 실외송풍팬(6)을 구비하며 상기 사방밸브(2)의 온오프에 의해 냉방싸이클 및 난방싸이클이 전환되어 냉방운전 및 난방운전을 수행하고 난방운전시 냉방싸이클로 냉매의 흐름을 전환하여 제상운전을 수행하는 냉난방 겸용 공기조화기에 있어서, 실외열교환기(5)의온도를 감지하는 실외열교환기 온도감지부(11)와, 실외온도를 감지하는 실외온도감지부(12)와, 실외송풍팬(6)의 회전수를감지하는 팬회전수 감지부(17)와, 실외온도에 대해 실외열교환기(5)의 온도가 일정온도이하인 경우 실외송풍팬(6)의 회전수를 미리 설정된 정격회전수와 비교하여 상기 실외열교환기(5)의 성에형성여부를 판단하고 제상운전을 제어하는 제어부(10)를 구비하여 실외온도에 의해 설정된 온도와 실외열교환기(5)의 온도, 송풍팬(6)의 회전수와 정격회전수를 각각 비교하여 실외열교환기(5)의 착상 여부를 판단하여 제상운전을 수행하므로 실외온도감지부(11)의 오동작에 대해서도 착상여부를 정확하게 판단하여 적절한 제상운전을 수행할 수 있다.The present invention relates to a defrosting control device and method of an air conditioner of the present invention, and in particular, having an outdoor heat exchanger (5), a four-way valve (2), and an outdoor blower fan (6) by turning on and off the four-way valve (2). In the cooling and heating cycle is switched to perform the cooling operation and heating operation to perform the defrosting operation by performing the defrost operation by switching the flow of the refrigerant to the cooling cycle during the heating operation, detecting the temperature of the outdoor heat exchanger (5) The outdoor heat exchanger temperature sensing unit 11, the outdoor temperature sensing unit 12 for sensing the outdoor temperature, the fan rotation speed detecting unit 17 for detecting the rotation speed of the outdoor blowing fan 6, and the outdoor temperature When the temperature of the outdoor heat exchanger 5 is lower than a predetermined temperature, the rotation speed of the outdoor blower fan 6 is compared with a preset rated rotation speed to determine whether the outdoor heat exchanger 5 is formed of frost and to control the defrosting operation. The control unit 10 is provided by the outdoor temperature The defrosting operation is performed by comparing the set temperature with the temperature of the outdoor heat exchanger 5, the rotational speed of the blower fan 6, and the rated rotational speed, respectively, to determine whether the outdoor heat exchanger 5 is implanted. In case of malfunction of 11), it is possible to accurately determine whether or not it is implanted and to perform appropriate defrosting operation.

Description

공기조화기의 제상제어장치 및 방법Defrost Control Device and Method of Air Conditioner

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

제2도는 본 발명에 따른 공기조화기의 제상제어블럭도, 제4도는 본 발명에 따른 제상제어방법의 순서도.2 is a defrost control block diagram of an air conditioner according to the present invention, and FIG. 4 is a flowchart of a defrost control method according to the present invention.

Claims (4)

실외열교환기(5), 사방밸브(2), 실외송풍팬(6)을 구비하며 상기 사방밸브(2)의 온오프에 의해 냉방싸이클및 난방싸이클이 전환되어 냉방운전 및 난방운전을 수행하고 난방운전시 냉방싸이클로 냉매의 흐름을 전환하여 제상운전을 수행하는 냉난방겸용 공기조화기에 있어서, 난방운전시 실외열교환기(5)의 온도를 감지하는 실외열교환기 온도감지부(11)와, 실외온도를 감지하는 실외온도감지부(12)와, 실외송풍팬(6)의 회전수를 감지하는 팬회전수 감지부(17)와, 실외온도에 대해 실외열교환기(5)의 온도가 일정온도이하인 경우 실외송풍팬(6)의 회전수를 미리 설정된 정격회전수와 비교하여상기 실외열교환기(5)의 성에형성여부를 판단하고 제상운전을 제어하는 제어부(10)를 구비하는 것을 특징으로 하는 공기조화기의 제상제어장치.An outdoor heat exchanger (5), a four-way valve (2), an outdoor blower fan (6) is provided, the cooling cycle and heating cycle is switched by the on-off of the four-way valve (2) to perform the cooling operation and heating operation and heating In the air conditioning and air conditioner for defrosting by switching the flow of the refrigerant to the cooling cycle during operation, the outdoor heat exchanger temperature sensing unit 11 for sensing the temperature of the outdoor heat exchanger 5 during the heating operation, and the outdoor temperature When the temperature of the outdoor temperature sensor 12 to detect, the fan speed detection unit 17 to detect the rotational speed of the outdoor blowing fan 6, and the temperature of the outdoor heat exchanger 5 with respect to the outdoor temperature are below a predetermined temperature. The air conditioner, characterized in that it comprises a control unit 10 for determining whether the outdoor heat exchanger 5 is formed in frost formation by comparing the rotational speed of the outdoor blower fan 6 with a preset rated rotational speed and controlling the defrosting operation. Defrost Control Device. 제1항에 있어서, 입력전압을 감지하는 입력전압감지부(13)를 더 구비하여 상기 제어부(10)는 입력전압에따라 가변 설정된 정격회전수를 실외송풍팬(6)의 회전수와 비교한 뒤 착상여부를 판단하여 제상운전을 제어하는 것을 특징으로 하는 공기조화기의 제상제어장치.According to claim 1, further comprising an input voltage sensing unit 13 for sensing the input voltage, the control unit 10 compares the rated rotational speed variable set according to the input voltage with the rotational speed of the outdoor blower fan (6). Defrost control device of the air conditioner, characterized in that for controlling the defrosting operation by determining whether or not the back. 실외공기와 열교환하는 실외열교환기(5), 실외열교환기(5)의 온도를 감지하는 실외열교환기 온도감지부(11), 실외온도를 감지하는 실외온도감지부(12), 실외공기를 흡입하여 실외열교환기(5)와 열교환시킨 뒤 실외로 송풍하는송풍팬(6)을 구비한 냉난방겸용 공기조화기에 있어서, (가) 난방운전을 시작한후 소정시간이 경과하면, 실외온도와 실외열교환기 (5)의 온도를 감지하여 실외열교환기(5)의 온도가 실외온도에 대해 설정된 온도이하인가를 판단하는 과정(20,21, 23), (나) 상기 과정 (가)의 판단결과 실외열교환기(5)의 온도가 설정온도이하이면, 송풍팬(6)의 회전수를 입력전압에 따라 설정된 회전수와 비교하여 착상여부를 판단하는 과정(24), (다) 상기 과정 (나)에서 착상이 판단되면 냉방운전으로 전환하여 성에제거운전을 수행하는 과정(25, 26), (라) 상기 과정 (다)의 성에제거운전중 실외열교환기(5)의 온도가성에제거운전을 완료하기 위한 소정온도이상인가 감지하는 과정(28), (마) 상기 과정(라)의 감지결과 실외열교환기(5)의온도가 소정온도 이상이면 송풍팬(6)을 입력전압에 따른 설정회전수로 구동시키면서 송풍팬(6)의 회전수를 감지하는 과정(29), (바) 상기 과정 (마)의 감지결과 송풍팬(6)의 운전회전수가 설정회전수이내이면 제상을 완료하는 과정(30)을 구비한 것을 특징으로 하는 공기조화기의 제상제어방법.An outdoor heat exchanger (5) that exchanges heat with outdoor air, an outdoor heat exchanger temperature sensing unit (11) for sensing a temperature of the outdoor heat exchanger (5), an outdoor temperature sensing unit (12) for sensing an outdoor temperature, and outdoor air suction In the air-conditioning combined air conditioner having a blower fan (6) which heats and exchanges heat with the outdoor heat exchanger (5) and blows it to the outside, (a) when a predetermined time has elapsed after the start of heating operation, the outdoor temperature and the outdoor heat exchanger Determining whether the temperature of the outdoor heat exchanger 5 is below the temperature set for the outdoor temperature by sensing the temperature of (5) (20, 21, 23), (b) As a result of the determination of the above step (a), the outdoor heat exchange When the temperature of the apparatus 5 is lower than the set temperature, comparing the rotation speed of the blower fan 6 with the rotation speed set according to the input voltage determines whether or not it is implanted (24), (c) in the process (b) If it is determined that the idea is converted to cooling operation to perform the defrost operation (25, 26), (D) phase Detecting whether the temperature of the outdoor heat exchanger 5 is higher than a predetermined temperature to complete the defrost operation during the defrosting operation (c) (28), and (e) the detection result of the above step (d). If the temperature of (5) is above a predetermined temperature, the process of detecting the rotational speed of the blowing fan 6 while driving the blowing fan 6 at the set speed according to the input voltage (29), (f) the process (e) Defrosting control method of the air conditioner, characterized in that it comprises a step (30) of completing the defrosting if the operating speed of the blower fan (6) is within the set speed. 제3항에 있어서, 성에제거운전중 제상운전시간이 미리 설정된 제상시간을 초과하면 제상운전을 중지하고 난방운전을 재개하는 과정(27,31)을 더 구비하여 난방효율 저하를 방지할 수 있도록 한 것을 특징으로 하는 공기조화기의 제상제어방법.4. The method of claim 3, further comprising stopping the defrosting operation and resuming the heating operation (27, 31) if the defrosting operation time during the defrosting operation exceeds a preset defrosting time to prevent the deterioration of heating efficiency. Defrost control method of an air conditioner, characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950021561A 1995-07-21 1995-07-21 Defrost Control Device and Method of Air Conditioner Expired - Fee Related KR0146310B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950021561A KR0146310B1 (en) 1995-07-21 1995-07-21 Defrost Control Device and Method of Air Conditioner

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Application Number Priority Date Filing Date Title
KR1019950021561A KR0146310B1 (en) 1995-07-21 1995-07-21 Defrost Control Device and Method of Air Conditioner

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KR970007149A true KR970007149A (en) 1997-02-21
KR0146310B1 KR0146310B1 (en) 1998-08-17

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KR1019950021561A Expired - Fee Related KR0146310B1 (en) 1995-07-21 1995-07-21 Defrost Control Device and Method of Air Conditioner

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100674180B1 (en) * 2006-06-01 2007-01-24 양승덕 Wind Pressure Defrost Point Detection Device of Evaporative Heat Exchanger

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100432723B1 (en) * 2001-09-11 2004-05-24 주식회사 엘지이아이 Control method for air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100674180B1 (en) * 2006-06-01 2007-01-24 양승덕 Wind Pressure Defrost Point Detection Device of Evaporative Heat Exchanger

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