KR20070005166A - Control process for heat in air conditioner - Google Patents

Control process for heat in air conditioner Download PDF

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Publication number
KR20070005166A
KR20070005166A KR1020050060334A KR20050060334A KR20070005166A KR 20070005166 A KR20070005166 A KR 20070005166A KR 1020050060334 A KR1020050060334 A KR 1020050060334A KR 20050060334 A KR20050060334 A KR 20050060334A KR 20070005166 A KR20070005166 A KR 20070005166A
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South Korea
Prior art keywords
air conditioner
heating operation
temperature
heat exchanger
outdoor heat
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KR1020050060334A
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Korean (ko)
Inventor
송성우
조한용
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엘지전자 주식회사
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Priority to KR1020050060334A priority Critical patent/KR20070005166A/en
Publication of KR20070005166A publication Critical patent/KR20070005166A/en

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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
    • 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
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • F25B47/022—Defrosting cycles hot gas defrosting
    • F25B47/025—Defrosting cycles hot gas defrosting by reversing the cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/11—Sensor to detect if defrost is necessary
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2117—Temperatures of an evaporator

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

A heating operation method for an air conditioner is provided to carry out defrosting operation first after checking freezing states of an outdoor heat exchanger in order to carry out heating operation, thereby preventing the air conditioner carrying out heating operation in abnormal situations. A heating operation method for an air conditioner includes the steps of determining whether heating operation is carried out before a predetermined time(S20), and checking freezing state of an outdoor heat exchanger in the initial operation to determine to carry out defrosting operation or not(S30). A temperature received from an outdoor pipe temperature sensor is compared with a set temperature of a control part to determine the initiation defrosting operation(S40), and the initiation defrosting operation is carried out to resolve the freezing state of the outdoor heat exchanger by driving the air conditioner with a cooling cycle if the received temperature is lower(S50). After resolving the freezing state of the outdoor heat exchanger, heating operation as selected by a user is carried out(S60,S70). After a predetermined time from the heating operation(S80), the freezing of the outdoor heat exchanger is checked again to determine whether to carry the defrosting operation or not(S90).

Description

공기조화기의 난방운전방법{Control process for heat in air conditioner}Heating operation method of air conditioner {Control process for heat in air conditioner}

도 1은 본 발명에 따른 공기조화기가 도시된 사시도1 is a perspective view showing an air conditioner according to the present invention

도 2는 본 발명에 따른 공기조화기의 난방운전방법이 도시된 순서도2 is a flowchart illustrating a heating operation method of an air conditioner according to the present invention.

도 3은 종래 기술에 따른 공기조화기의 제상운전단계가 도시된 순서도Figure 3 is a flow chart showing the defrosting operation step of the air conditioner according to the prior art

<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>

10 : 실내기 12 : 실내열교환기10: indoor unit 12: indoor heat exchanger

14 : 실내송풍기 20 : 실외기14: indoor blower 20: outdoor unit

22 : 실외열교환기 24 : 실외송풍기22: outdoor heat exchanger 24: outdoor blower

26 : 압축기 26: compressor

본 발명은 공기조화기의 난방운전방법에 관한 것으로서, 보다 상세하게는 공기조화기의 시동 시 제상운전 여부를 판단하는 공기조화기의 난방운전방법에 관한 것이다. The present invention relates to a heating operation method of the air conditioner, and more particularly, to a heating operation method of the air conditioner for determining whether the defrost operation at the start of the air conditioner.

도 3은 종래 기술에 따른 공기조화기의 제상운전단계가 도시된 순서도이다. 3 is a flowchart illustrating a defrosting operation step of the air conditioner according to the prior art.

종래 기술에 따른 공기조화기의 난방운전방법은 도 3에 도시된 바와 같이, 사용자가 공기조화기를 난방 사이클로 구동시키는 단계(S1)와, 상기 구동단계(S1)에 의해 공기조화기가 소정 시간동안 난방 운전되는 단계(S2)와, 소정 시간 후에 실외기의 배관 온도를 감지하여 설정온도보다 낮은 지를 비교하는 단계(S3)와, 상기 감지된 배관온도가 설정된 온도보다 낮은 경우, 실외열교환기가 결빙된 것으로 판단하여 제상 운전되는 단계(S4)를 포함하여 구성된다. In the heating operation method of the air conditioner according to the prior art, as shown in FIG. 3, a step (S1) of a user driving the air conditioner in a heating cycle, and the air conditioner is heated for a predetermined time by the driving step (S1). Step S2 of operation, comparing the pipe temperature of the outdoor unit after a predetermined time and comparing whether it is lower than the set temperature (S3), and when the detected pipe temperature is lower than the set temperature, it is determined that the outdoor heat exchanger is frozen. It is configured to include a defrosting operation (S4).

그러나 실외기의 송풍구가 상측방향으로 형성되고, 상기 송풍구를 통해 유입된 눈에 의해 실외열교환기가 결빙되거나 외부환경에 의해 실외열교환기의 표면에 결빙이 형성된 경우, 종래 기술과 같이 공기조화기가 초기 시동 후 난방 운전되면, 실외열교환기의 결빙을 가중시킬 뿐만 아니라 실내를 난방시키지 못하여 소비자의 불만을 야기시키는 문제점이 있다. However, when the air vent of the outdoor unit is formed upward, and the outdoor heat exchanger freezes due to the snow flowing through the air blower, or the ice is formed on the surface of the outdoor heat exchanger by the external environment, the air conditioner after the initial start-up as in the prior art. If the heating operation, not only increases the freezing of the outdoor heat exchanger, but also fails to heat the room, causing problems of consumer dissatisfaction.

본 발명은 상기와 같은 문제점을 해결하기 위해 안출된 것으로서, 공기조화기의 초기 구동 시 또는 소정 시간 정지된 후 재작동되는 경우 실외열교환기의 결빙을 우선적으로 확인하여 제상운전 여부를 결정하는 공기조화기의 난방운전방법을 제공하는데 그 목적이 있다. The present invention has been made to solve the above problems, the air conditioning to determine whether the defrosting operation by first checking the icing of the outdoor heat exchanger during the initial operation of the air conditioner or when restarted after a predetermined time stop The purpose is to provide a heating operation method of the machine.

상기한 기술적 과제를 해결하기 위한 본 발명에 따른 공기조화기의 난방운전방법은 공기조화기가 소정 시간 전에 난방운전 되었는지를 판단하는 단계(S20)와; 공기조화기가 소정 시간 이내에 난방운전 되지 않은 경우, 시동제상운전의 판단을 위해 실외 냉매배관의 온도와 제어부에 저장된 설정온도(A)를 비교하는 단계(S40)와; 상기 실외 냉매배관의 온도센서에서 수신된 온도가 상기 설정온도(A)보다 낮은 경우 실외열교환기의 결빙을 제거하는 시동제상단계(S50)를 포함하여 구성되는 것을 특징으로 한다. The heating operation method of the air conditioner according to the present invention for solving the above technical problem comprises the steps of determining whether the air conditioner was heated before a predetermined time (S20); When the air conditioner is not heated within a predetermined time, comparing the temperature of the outdoor refrigerant pipe with the set temperature (A) stored in the controller to determine start-up defrosting operation (S40); When the temperature received from the temperature sensor of the outdoor refrigerant pipe is lower than the set temperature (A) characterized in that it comprises a start-up defrosting step (S50) for removing the freezing of the outdoor heat exchanger.

이하 본 발명에 따른 바람직한 실시예를 첨부 도면을 참조하여 보다 상세하게 설명하면 다음과 같다. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 공기조화기가 도시된 사시도이고, 도 2는 본 발명에 따른 공기조화기의 난방운전방법이 도시된 순서도이다. 1 is a perspective view showing an air conditioner according to the present invention, Figure 2 is a flow chart illustrating a heating operation method of the air conditioner according to the present invention.

본 발명에 따른 공기조화기는 도 1에 도시된 바와 같이, 실내기(10)와 실외기(20)로 구성되고, 상기 실내기(10)는 실내공기와 냉매를 열교환시키는 실내열교환기(12)와, 상기 열교환된 실내공기를 송풍시키는 실내송풍기(14)를 포함하여 구성되며, 상기 실외기(20)는 실외공기와 냉매를 열교환시키는 실외열교환기(22)와, 상기 열교환된 실외공기를 송풍시키는 실외송풍기(24)와, 냉매를 압축하는 압축기(26)를 포함하여 구성된다. As shown in FIG. 1, the air conditioner according to the present invention includes an indoor unit 10 and an outdoor unit 20, and the indoor unit 10 includes an indoor heat exchanger 12 that heat-exchanges indoor air and a refrigerant, and It comprises an indoor blower 14 for blowing the heat exchanged indoor air, the outdoor unit 20 is an outdoor heat exchanger 22 for heat exchange between the outdoor air and the refrigerant, and an outdoor blower for blowing the heat exchanged outdoor air ( And a compressor 26 for compressing the refrigerant.

여기서 상기 실내기(10)에는 실내의 온도를 감지하는 실내온도센서(미도시) 가 설치되고, 상기 실외기(20)에는 냉매배관의 온도를 감지하는 실외배관온도센서(미도시)가 설치된다. Here, the indoor unit 10 is provided with an indoor temperature sensor (not shown) for detecting the indoor temperature, and the outdoor unit 20 is provided with an outdoor piping temperature sensor (not shown) for detecting the temperature of the refrigerant pipe.

이하 본 발명에 따른 공기조화기의 난방운전방법을 도 1 또는 도 2를 중심으로 보다 상세히 설명한다. Hereinafter, the heating operation method of the air conditioner according to the present invention will be described in more detail with reference to FIG. 1 or FIG. 2.

먼저, 본 발명에 따른 공기조화기의 난방운전방법은 사용자가 실내기의 조작하여 난방운전을 선택하는 단계(S10)와, 공기조화기가 소정 시간 전에 난방운전 되었는지를 판단하는 단계(S20)와, 공기조화기가 소정 시간 이내에 난방운전 되지 않은 경우 초기 시동 시 실외열교환기(22)가 결빙되었는지를 확인하여 제상운전으로 전환시켜야 하는지를 판단하는 단계(S30)와, 시동제상운전의 판단을 위해 실외배관 온도센서로부터 수신된 온도와 제어부에 저장된 설정온도(A)를 비교하는 단계(S40)와, 상기 실외배관 온도센서에서 수신된 온도가 상기 설정온도(A)보다 낮은 경우 공기조화기를 냉방사이클로 구동시켜 실외열교환기(22)의 결빙을 제거하는 시동제상단계(S50)를 포함하여 구성된다. First, the heating operation method of the air conditioner according to the present invention comprises the steps of the user selects the heating operation by the operation of the indoor unit (S10), the step of determining whether the air conditioner was heated before a predetermined time (S20) and the air If the conditioner is not heated within a predetermined time step (S30) to determine whether to switch to the defrost operation by checking whether the outdoor heat exchanger 22 is frozen at the initial start-up, and the outdoor pipe temperature sensor to determine the start defrost operation Comparing the temperature received from the set temperature (A) stored in the control unit (S40), and when the temperature received from the outdoor pipe temperature sensor is lower than the set temperature (A) by operating an air conditioner in a cooling cycle for outdoor heat exchange It is configured to include a start-up defrosting step (S50) for removing the icing of the machine (22).

여기서 사용자가 난방운전을 선택한 경우(S10), 공기조화기는 난방사이클로 구동되고, 사용자가 난방운전을 선택하기 전까지 냉방사이클로 구동되고 있었을 경우 상기 난방운전선택단계(S10) 이후에 소정 시간동안 압축기(26)의 작동을 정지시켜 냉매를 안정화시킨다. In this case, when the user selects the heating operation (S10), the air conditioner is driven by the heating cycle, and when the user is driven by the cooling cycle until the user selects the heating operation, the compressor 26 for a predetermined time after the heating operation selection step (S10). ) To stabilize the refrigerant.

그리고 난방운전선택단계(S10) 이전에 소정시간 전까지 난방사이클로 구동되고 있었으면 바로 난방운전단계(S70)로 이행되고, 상기 난방운전선택단계(S10)에서 의 소정시간은 30분이 바람직하다. And if it was driven by the heating cycle before a predetermined time before the heating operation selection step (S10) is immediately transferred to the heating operation step (S70), the predetermined time in the heating operation selection step (S10) is preferably 30 minutes.

그리고 공기조화기가 상기 단계(S10)(S20)를 만족하는 경우, 공기조화기의 제어부는 공기조화기가 난방운전이 가능한 상태인지를 판단한다. When the air conditioner satisfies the steps S10 and S20, the controller of the air conditioner determines whether the air conditioner is capable of heating operation.

여기서 외부 환경에 의해 실외열교환기(22) 표면에 결빙이 형성되어 있는 경우, 공기조화기를 난방 운전시키더라도 실내기(10)에서는 난방 사이클이 정상적으로 작동되지 않는 바, 먼저 실외열교환기(22)의 제상을 실시한 후에 난방사이클로 전환시키는 것이 바람직하다. Here, if freezing is formed on the surface of the outdoor heat exchanger 22 due to the external environment, the heating cycle is not normally operated in the indoor unit 10 even when the air conditioner is heated. First, the outdoor heat exchanger 22 is defrosted. It is preferable to switch to a heating cycle after performing.

그래서 상기 제어부는 상기 실외배관 온도센서에서 감지된 온도와 제어부에 저장된 설정온도(A)를 비교하며(S40), 상기 실외배관의 온도가 상기 설정온도(A)보다 낮은 경우 실외열교환기(22) 표면의 일정부분 이상이 결빙된 것으로 판단한다. Thus, the controller compares the temperature sensed by the outdoor pipe temperature sensor with the set temperature A stored in the controller (S40). When the temperature of the outdoor pipe is lower than the set temperature A, the outdoor heat exchanger 22 It is determined that more than a portion of the surface is frozen.

그리고 상기 공기조화기의 초기 구동 시 시동제상이 필요하다고 판단된 경우(S40), 상기 제어부는 공기조화기를 냉방사이클로 구동시켜 시동제상단계(S50)를 실시함으로서 실외열교환기(22)의 결빙을 해소한다. And when it is determined that the starter defrosting is necessary during the initial operation of the air conditioner (S40), the controller drives the air conditioner in a cooling cycle to perform the starter defrosting step (S50) to eliminate the freezing of the outdoor heat exchanger (22). do.

여기서 공기조화기가 냉방사이클로 구동되는 경우 상기 실외열교환기(22)는 냉방사이클의 응축기로 사용되어 냉매의 열을 발산시킴으로서 상기 실외열교환기(22) 표면의 결빙을 녹이게 된다. In this case, when the air conditioner is driven by a cooling cycle, the outdoor heat exchanger 22 is used as a condenser of the cooling cycle to dissipate the heat of the refrigerant to melt the ice on the surface of the outdoor heat exchanger 22.

다음으로 본 발명에 따른 공기조화기의 난방운전방법은 상기 시동제상단계(S50) 이후에 소정시간 동안 실외열교환기(22)의 결빙을 해소한 후(S60), 사용자가 선택한 난방운전을 실시하는 단계(S70)와, 상기 난방운전단계(S70) 이후 소정시간 경과(S80) 후에 실외열교환기(22)의 결빙을 확인하여 제상운전으로 전환하여야 하 는지를 판단하는 단계(S90)와, 상기 실외냉매배관의 온도가 소정온도(A)보다 낮은 경우 공기조화기를 제상운전으로 전환하는 단계(S100)와, 상기 제상운전단계(S100) 이후에 소정시간 경과한 다음 실외열교환기(22)의 제상이 완료되었는지를 판단하는 단계(S110)를 더 포함하여 구성된다. Next, in the heating operation method of the air conditioner according to the present invention after the start defrosting step (S50) to remove the freezing of the outdoor heat exchanger (22) for a predetermined time (S60), and performs the heating operation selected by the user Step (S70), and after the predetermined period of time (S80) after the heating operation step (S70) by checking the freezing of the outdoor heat exchanger 22 to determine whether to switch to defrosting operation (S90), and the outdoor When the temperature of the refrigerant pipe is lower than the predetermined temperature (A), the step of switching the air conditioner to the defrosting operation (S100) and the defrost of the outdoor heat exchanger 22 after a predetermined time has passed after the defrosting operation (S100). It is configured to further comprise the step (S110) of determining whether it is completed.

여기서 상기 제상운전 전환을 위한 온도비교단계(S40)에서 실외 냉매배관의 온도가 설정온도보다 낮지 않은 경우 상기 시동제상단계(S50)를 거치지 않고 바로 난방운전단계(S70)로 이행된다. Here, in the temperature comparison step (S40) for switching the defrosting operation, if the temperature of the outdoor refrigerant pipe is not lower than the set temperature, the operation proceeds directly to the heating operation step (S70) without passing through the start-up defrosting step (S50).

그리고 도시되진 않았으나 상기 시동제상단계(S50) 이후에 소정 시간이 경과되었는지를 확인하지 않고 실외 냉매배관의 온도와 상기 설정온도(A)를 다시 비교하여 제상이 완료되었는지를 확인하여도 무방하다. Although not shown, it is also possible to check whether the defrost is completed by comparing the temperature of the outdoor refrigerant pipe and the set temperature A again without checking whether a predetermined time has elapsed after the start-up defrosting step (S50).

한편, 공기조화기가 난방운전(S70)되면, 제어부는 사용자로부터 입력된 희망온도 또는 초기 구동온도와 실내의 온도를 비교하여 난방운전을 실시한다. On the other hand, when the air conditioner heating operation (S70), the control unit performs a heating operation by comparing the desired temperature or the initial driving temperature and the room temperature input from the user.

여기서 상기 실내온도보다 희망온도 또는 초기 구동온도가 높은 경우 상기 공기조화기를 실내를 난방하기 위해 난방운전되고, 그렇지 않은 경우 실내온도가 희망온도보다 낮아질 때까지 대기한다. Here, when the desired temperature or the initial driving temperature is higher than the room temperature, the air conditioner is heated to heat the room. Otherwise, the air conditioner is waited until the room temperature is lower than the desired temperature.

그리고 공기조화기가 소정 시간동안 난방운전된 경우, 실외열교환기(22)에 결빙이 발생되었는지를 판단(S90)하고, 실외 냉매배관의 온도가 소정온도(A) 이하로 낮아진 경우 상기 실외열교환기(22) 표면의 소정 부분이상에 결빙된 발생된 것으로 판단하여 난방운전되던 공기조화기를 제상운전단계(S100)로 전환한다. When the air conditioner is heated for a predetermined time, it is determined whether freezing has occurred in the outdoor heat exchanger 22 (S90), and when the temperature of the outdoor refrigerant pipe is lowered below a predetermined temperature (A), the outdoor heat exchanger ( 22) It is determined that the freezing occurred in a predetermined portion or more of the surface, and switches the air conditioner which has been heated in the defrosting operation step (S100).

여기서 제상운전을 위한 온도비교단계(S90)에서 실외 냉매배관의 온도가 설 정온도(A)보다 높은 경우, 실내온도와 희망온도를 비교하여(S130) 난방운전단계(S70)를 계속 실시할지 판단한다. Here, when the temperature of the outdoor refrigerant pipe is higher than the set temperature (A) in the temperature comparison step (S90) for the defrosting operation, it is determined whether to continue the heating operation step (S70) by comparing the indoor temperature with the desired temperature (S130) do.

한편, 상기 제상운전단계(S100)에서는 상기 시동제상단계(S50)에서와 같이 공기조화기를 냉방사이클로 구동시켜 실외열교환기(22) 표면의 결빙을 해소한다. On the other hand, in the defrosting operation step (S100), as in the start defrosting step (S50), by driving the air conditioner in a cooling cycle to eliminate the freezing of the surface of the outdoor heat exchanger (22).

그리고 상기 제상운전단계(S100)를 실시한 후 소정 시간 경과 후에 제상완료판단단계(S110)를 실시하고, 상기 제상완료판단단계(S110)는 실외냉매배관의 온도가 소정온도(C)보다 높은 지를 비교하거나 소정시간이 경과되었는지를 판단하게 된다. After the predetermined time has passed after the defrosting operation step S100 is performed, the defrosting determination step S110 is performed, and the defrosting completion step S110 compares whether the temperature of the outdoor refrigerant pipe is higher than a predetermined temperature C. Or whether a predetermined time has elapsed.

그래서 실외 냉매배관의 온도가 충분히 상승되어 결빙이 해소되는 온도(C)까지 상승된 경우 제상운전을 중지하고 상기 난방운전단계(S70)로 리턴된다. Thus, when the temperature of the outdoor refrigerant pipe is sufficiently raised to reach the temperature C at which freezing is eliminated, the defrosting operation is stopped and returned to the heating operation step S70.

더불어 상기 제상운전단계(S100)가 소정 시간이상 실시된 경우에도 실외열교환기(22)의 결빙이 해소된 것으로 판단하여 제상운전을 중지하고 상기 난방운전단계(S70)로 리턴된다. In addition, even when the defrosting operation S100 is performed for a predetermined time or more, it is determined that the freezing of the outdoor heat exchanger 22 is resolved, and thus the defrosting operation is stopped and returned to the heating operation step S70.

이와 같이 본 발명에 의한 공기조화기의 난방운전방법은 공기조화기의 초기 시동 시 난방운전으로 구동되기 전에 실외열교환기가 결빙상태인지를 점검하는 단계(S30)(S40)하고, 실외열교환기가 결빙상태인 경우 난방운전 전에 실외열교환기의 제상을 실시함으로서, 공기조화기가 비정상적인 상황에서 난방운전되는 것을 방지하는 이점이 있다. As described above, the heating operation method of the air conditioner according to the present invention checks whether the outdoor heat exchanger is in the icing state (S30) (S40) before driving the heating operation at the initial start-up of the air conditioner, and the outdoor heat exchanger is in the icing state. In the case of performing the defrost of the outdoor heat exchanger before the heating operation, there is an advantage to prevent the heating operation in the abnormal condition of the air conditioner.

그래서 본 발명에 의한 공기조화기의 난방운전방법은 초기 구동 시 제상운전 여부를 결정 한 후 작동되기 때문에 종래와 같이 실외열교환기의 결빙이 가중되는 것을 방지하는 이점이 있다. Therefore, the heating operation method of the air conditioner according to the present invention has an advantage of preventing the freezing of the outdoor heat exchanger, as it is operated since it is operated after determining whether the defrosting operation during the initial operation.

또한 본 발명에 의한 공기조화기의 난방운전방법은 초기 구동 시 제상운전 여부를 결정한 후 작동되기 때문에 종래와 같이 실내열교환기가 가열되지 않은 상태로 실내에 토출되는 것을 방지하는 이점이 있다. In addition, the heating operation method of the air conditioner according to the present invention has an advantage of preventing the indoor heat exchanger is not discharged to the room in the unheated state as it is operated after determining whether the defrosting operation during the initial operation.

그래서 본 발명에 의한 공기조화기의 난방운전방법은 실외열교환기의 결빙이 빈번히 발생되는 지방에서 공기조화기의 초기 구동 시 실외열교환기가 결빙된 상태로 구동되는 것을 예방할 수 있다. Thus, the heating operation method of the air conditioner according to the present invention can prevent the outdoor heat exchanger from being driven in the frozen state when the air conditioner is initially driven in a region where the freezing of the outdoor heat exchanger occurs frequently.

Claims (4)

공기조화기가 소정 시간 전에 난방운전 되었는지를 판단하는 단계(S20)와; Determining whether the air conditioner has been heated before a predetermined time (S20); 공기조화기가 소정 시간 이내에 난방운전 되지 않은 경우, 시동제상운전의 판단을 위해 실외 냉매배관의 온도와 제어부에 저장된 설정온도(A)를 비교하는 단계(S40)와;When the air conditioner is not heated within a predetermined time, comparing the temperature of the outdoor refrigerant pipe with the set temperature (A) stored in the controller to determine start-up defrosting operation (S40); 상기 실외 냉매배관의 온도센서에서 수신된 온도가 상기 설정온도(A)보다 낮은 경우 실외열교환기의 결빙을 제거하는 시동제상단계(S50)를 포함하여 구성되는 것을 특징으로 하는 공기조화기의 난방운전방법. Heating operation of the air conditioner comprising a start-up defrosting step (S50) to remove the freezing of the outdoor heat exchanger when the temperature received from the temperature sensor of the outdoor refrigerant pipe is lower than the set temperature (A). Way. 청구항 1에 있어서,The method according to claim 1, 상기 시동제상단계(S50)는 공기조화기를 냉방사이클로 구동시키는 것을 특징으로 하는 공기조화기의 난방운전방법.  The starting defrosting step (S50) is a heating operation method of the air conditioner, characterized in that for driving the air conditioner in the cooling cycle. 청구항 1에 있어서,The method according to claim 1, 상기 공기조화기의 난방운전방법은 상기 시동제상단계(S50) 이후 공기조화기를 냉방사이클로 소정 시간 구동시킨 후에 난방운전단계(S70)로 이행되는 것을 특징으로 하는 공기조화기의 난방운전방법.  The heating operation method of the air conditioner is a heating operation method of the air conditioner, characterized in that shifting to the heating operation step (S70) after driving the air conditioner for a predetermined time after the start-up defrosting step (S50). 청구항 1에 있어서,The method according to claim 1, 상기 온도비교단계(S40)에서 상기 실외 냉매배관의 온도가 상기 설정온도(A)보다 높은 경우 난방운전단계(S70)로 이행되는 것을 특징으로 하는 공기조화기의 난방운전방법.  The heating operation method of the air conditioner, characterized in that the transition to the heating operation step (S70) when the temperature of the outdoor refrigerant pipe is higher than the set temperature (A) in the temperature comparison step (S40).
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104729171A (en) * 2015-03-27 2015-06-24 珠海格力电器股份有限公司 Cold-hot water unit anti-freezing protection device and method
CN104930674A (en) * 2015-05-14 2015-09-23 珠海格力电器股份有限公司 Defrosting control method and defrosting control device for outdoor unit of air conditioning unit as well as air conditioning system
CN105650813A (en) * 2016-01-11 2016-06-08 广东美的制冷设备有限公司 Defrosting control method and device for air-conditioner
CN106524420A (en) * 2016-11-25 2017-03-22 重庆美的通用制冷设备有限公司 Air-conditioner and defrosting method and defrosting device thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104729171A (en) * 2015-03-27 2015-06-24 珠海格力电器股份有限公司 Cold-hot water unit anti-freezing protection device and method
CN104729171B (en) * 2015-03-27 2017-01-25 珠海格力电器股份有限公司 Cold-hot water unit anti-freezing protection device and method
CN104930674A (en) * 2015-05-14 2015-09-23 珠海格力电器股份有限公司 Defrosting control method and defrosting control device for outdoor unit of air conditioning unit as well as air conditioning system
CN104930674B (en) * 2015-05-14 2017-11-17 珠海格力电器股份有限公司 Air-conditioner set outdoor unit defrosting control method, device and air-conditioning system
CN105650813A (en) * 2016-01-11 2016-06-08 广东美的制冷设备有限公司 Defrosting control method and device for air-conditioner
CN106524420A (en) * 2016-11-25 2017-03-22 重庆美的通用制冷设备有限公司 Air-conditioner and defrosting method and defrosting device thereof
CN106524420B (en) * 2016-11-25 2019-03-15 重庆美的通用制冷设备有限公司 A kind of air conditioner and its Defrost method and defroster

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