KR101153422B1 - Method for controlling air conditionner - Google Patents

Method for controlling air conditionner Download PDF

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KR101153422B1
KR101153422B1 KR1020080137158A KR20080137158A KR101153422B1 KR 101153422 B1 KR101153422 B1 KR 101153422B1 KR 1020080137158 A KR1020080137158 A KR 1020080137158A KR 20080137158 A KR20080137158 A KR 20080137158A KR 101153422 B1 KR101153422 B1 KR 101153422B1
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South Korea
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compressor
temperature
room temperature
air volume
air
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KR1020080137158A
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Korean (ko)
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KR20100078798A (en
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유재흥
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위니아만도 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
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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
    • 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
    • F24F2110/30—Velocity
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/06—Several compression cycles arranged in parallel
    • F25B2400/061—Several compression cycles arranged in parallel the capacity of the first system being different from the second
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/075—Details of compressors or related parts with parallel compressors
    • F25B2400/0751—Details of compressors or related parts with parallel compressors the compressors having different capacities
    • 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
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0251—Compressor control by controlling speed with on-off operation

Abstract

본 발명은 희망온도 및 풍량을 설정하기 위한 신호를 입력받고, 실내온도를 검출하는 단계 및 희망온도와 실내온도와의 온도차 및 풍량에 따라 일정 용량을 갖는 제1압축기 및 제1압축기보다 작은 용량을 갖는 제2압축기를 선택적으로 구동하는 단계를 포함하되, 희망온도와 실내온도와의 온도차가 설정온도 이상이고, 풍량이 제1풍량 내지 제4풍량 중 가장 작은 풍량을 갖는 제4풍량으로 설정되면 제2압축기만 구동하는 것을 특징으로 하는 에어컨 운전 제어 방법에 관한 것이다.According to the present invention, there is provided an air conditioner comprising: a signal receiving unit configured to receive a signal for setting a desired temperature and an air flow rate, detect a room temperature, and a first compressor having a predetermined capacity according to a temperature difference between the desired temperature and the room temperature, When the temperature difference between the desired temperature and the room temperature is equal to or higher than the set temperature and the air volume is set to the fourth air volume having the smallest air volume among the first to fourth air volumes, 2 compressors are driven by the compressor.

에어컨, 풍량, 압축기, 실내온도 Air conditioner, air volume, compressor, room temperature

Description

에어컨 운전 제어 방법{METHOD FOR CONTROLLING AIR CONDITIONNER}{METHOD FOR CONTROLLING AIR CONDITIONNER}

본 발명은 에어컨 운전 제어 방법에 관한 것으로, 더 상세하게는 사용자가 설정한 희망온도와 풍량 및 검출한 실내온도에 따라 에어컨의 압축기 용량을 가변하여 운전하는 에어컨 운전 제어 방법에 관한 것이다.More particularly, the present invention relates to a method of controlling operation of an air conditioner by varying a compressor capacity of an air conditioner according to a desired temperature and a wind amount set by a user and a detected room temperature.

일반적으로 공기의 온도변화를 이용하여 냉방 또는 난방을 수행하는 공기 조화기는 실내의 공기를 흡입하여 열교환기에 의해 냉각 또는 가열한 후, 냉각 또는 가열된 냉기나 온기를 다시 실내로 토출시킴으로써 소정의 기능을 수행하게 된다.Generally, an air conditioner that performs cooling or heating by using a change in temperature of air takes in a room by sucking air and cooling or heating it by a heat exchanger, and then discharging the cooled or heated cool air or warm air into the room again. .

특히, 냉각 사이클을 이용하여 실내를 냉방하는데 사용되는 에어컨은 압축기에서 압축된 냉매를 응축기에서 액화한후, 팽창밸브 또는 모세관을 통해 증발기에서 다시 기화시켜 흡수되는 냉매의 기화열에 의해 냉방 기능을 수행한다.Particularly, the air conditioner used for cooling the room by using the cooling cycle performs the cooling function by the heat of vaporization of the refrigerant absorbed by evaporating the refrigerant compressed in the compressor by the condenser through the expansion valve or capillary tube .

최근에는 주거환경이 대형화됨에 따라 실외기 하나에 복수개의 압축기를 사용하고 있는데, 실외기 하나에 두개의 압축기가 구비된 에어컨에서는 보통 큰 용량의 압축기와 작은 용량의 압축기가 구비된다.In recent years, as the residential environment has become larger, a plurality of compressors are used for one outdoor unit. In an air conditioner having two compressors in one outdoor unit, a compressor having a large capacity and a compressor having a small capacity are usually provided.

이러한 에어컨은 압축기의 운전시간에 따라 냉방부하를 판단하고, 판단된 냉방부하에 따라 압축기의 압축용량을 가변시켜 냉방능력을 조절함으로서 소비전력의 감소와 적절한 온도제어가 이루어지도록 하고 있다.The air conditioner determines the cooling load according to the operation time of the compressor, adjusts the compression capacity of the compressor according to the determined cooling load, and controls the cooling capacity so that the power consumption is reduced and the temperature is controlled appropriately.

전술한 기술은 본 발명의 배경기술의 이해를 위해서 기재한 것이며, 본 발명이 속하는 기술분야에서 널리 알려진 종래기술을 의미하는 것은 아니다.The foregoing description is made for the purpose of understanding the background art of the present invention and does not mean the conventional art widely known in the art to which the present invention belongs.

본 발명은 사용자가 설정한 희망온도와 풍량 및 검출한 실내온도에 따라 에어컨의 압축기 용량을 가변하여 운전하는 에어컨 운전 제어 방법을 제공하는 것을 목적으로 한다.An object of the present invention is to provide an air conditioner operation control method in which a compressor capacity of an air conditioner is varied according to a desired temperature and air volume set by a user and a detected indoor temperature.

전술한 목적을 달성하기 위해 창안된 본 발명의 구성은 다음과 같다. The configuration of the present invention, which is invented to achieve the above-described object, is as follows.

본 실시예에 의한 에어컨 운전 제어 방법은 희망온도 및 풍량을 설정하기 위한 신호를 입력받고, 실내온도를 검출하는 단계; 및 상기 희망온도와 상기 실내온도와의 온도차 및 상기 풍량에 따라 일정 용량을 갖는 제1압축기 및 상기 제1압축기보다 작은 용량을 갖는 제2압축기를 선택적으로 구동하는 단계를 포함하되, 상기 희망온도와 상기 실내온도와의 온도차가 설정온도 이상이고, 상기 풍량이 제1풍량 내지 제4풍량 중 가장 작은 풍량을 갖는 상기 제4풍량으로 설정되면 상기 제2압축기만 구동하는 것을 특징으로 한다. 이때, 상기 설정온도는 5℃인 것을 특징으로 한다. A method for controlling operation of an air conditioner according to an embodiment of the present invention includes the steps of receiving a signal for setting a desired temperature and an air flow rate and detecting a room temperature; And selectively driving a first compressor having a predetermined capacity and a second compressor having a capacity smaller than the first compressor according to a temperature difference between the desired temperature and the room temperature and the air volume, The second compressor is driven only when the temperature difference from the room temperature is equal to or higher than the set temperature and the air volume is set to the fourth air volume having the smallest air volume among the first air volume to the fourth air volume. At this time, the set temperature is 5 占 폚.

삭제delete

본 발명은 상기 실내온도가 일정온도 이상이면, 설정된 상기 풍량에 관계없이 상기 희망온도와 상기 실내온도와의 온도차에 따라 상기 제1압축기와 상기 제2압축기를 모두 구동하거나 어느 하나를 선택적으로 구동하는 것을 특징으로 한다.The first compressor and the second compressor are both driven or selectively driven according to a temperature difference between the desired temperature and the room temperature regardless of the set air volume when the room temperature is equal to or higher than a predetermined temperature .

본 발명은 상기 실내온도가 28℃이상이고, 상기 온도차가 5℃ 이상이면 상기 제1압축기와 상기 제2압축기를 모두 구동하고, 상기 온도차가 3℃이상 5℃미만이면 상기 제1압축기만 구동하며, 상기 온도차가 1℃이상 3℃미만이면 상기 제2압축기만 구동하는 것을 특징으로 한다.The present invention drives both the first compressor and the second compressor when the room temperature is 28 ° C or more and the temperature difference is 5 ° C or more and only the first compressor is driven when the temperature difference is 3 ° C or more and less than 5 ° C , And only the second compressor is driven when the temperature difference is 1 ° C or more and less than 3 ° C.

상기와 같이 구성되는 본 발명에 따르면, 희망온도가 실내온도보다 일정온도 이상 낮게 설정되더라도 풍량이 낮게 설정되면 용량이 작은 압축기만 구동시켜 사용자가 원하는 송풍을 할 수 있도록함으로써 사용자에게 편익을 향상 시킨다.According to the present invention configured as described above, if the desired temperature is set to be lower than the room temperature by a predetermined temperature or lower, if the air volume is set low, only the compressor having a small capacity is driven,

이하, 실시예를 통하여 본 발명을 더욱 상세히 설명하기로 한다. 이들 실시예는 단지 본 발명을 예시하기 위한 것이며, 본 발명의 권리 보호 범위가 이들 실시예에 의해 제한되는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to Examples. These embodiments are only for illustrating the present invention, and the scope of rights of the present invention is not limited by these embodiments.

도 1은 본 실시예에 따른 에어컨 운전 제어 시스템의 블럭도이다.1 is a block diagram of an air conditioner operation control system according to the present embodiment.

도 1을 참고하면, 본 실시예에 따른 에어컨 운전 제어 시스템은 키입력부(10), 실내온도 감지부(20), 제어부(30) 및 압축기구동부(40)를 포함한다.Referring to FIG. 1, an air conditioner operation control system according to the present embodiment includes a key input unit 10, an indoor temperature sensing unit 20, a control unit 30, and a compressor driving unit 40.

키입력부(10)는 사용자의 키 조작에 따른 키 신호를 발생시키는 것으로, 사용자가 희망온도와 풍량을 설정하기 위한 설정 키(미도시)가 구비된다.The key input unit 10 generates a key signal corresponding to a key operation of the user, and is provided with a setting key (not shown) for setting a desired temperature and air volume by the user.

실내온도 감지부(20)는 전원 온 시 실내온도를 감지하여 제어부(30)로 변화하는 실내온도 정보를 제공한다.The room temperature sensing unit 20 senses the room temperature when the power is turned on and provides room temperature information that changes to the control unit 30. [

제어부(30)는 에어컨 운전 제어 시스템을 전반적으로 제어하는 것으로, 키입력부(10)로부터 희망온도와 풍량 설정 신호를 입력받아 희망온도와 실내온도의 온도차 및 설정된 풍량에 따라 일정 용량을 갖는 제1압축기(41)와 제1압축기(41)보다 작은 용량을 갖는 제2압축기(42)를 모두 구동하거나 제1압축기(41)와 제2압축기(42)를 선택적으로 구동하기 위한 제어신호를 출력한다.The control unit 30 controls the overall operation of the air conditioner operation control system. The control unit 30 receives the desired temperature and the air flow rate setting signal from the key input unit 10, receives the desired temperature and the air flow rate setting signal, The first compressor 41 and the second compressor 42 having a smaller capacity than the first compressor 41 or a control signal for selectively driving the first compressor 41 and the second compressor 42.

압축기구동부(40)는 제어부(30)의 제어신호에 따라 일정 용량을 갖는 제1압축기(41)와 제1압축기(41)보다 작은 용량을 갖는 제2압축기(42)를 모두 구동하거나 제1압축기(41)와 제2압축기(42)를 선택적으로 구동한다.The compressor driving unit 40 drives both the first compressor 41 having a predetermined capacity and the second compressor 42 having a smaller capacity than the first compressor 41 in accordance with the control signal of the controller 30, (41) and the second compressor (42).

도 2은 본 실시예에 따른 에어컨 운전 제어 방법의 순서도이다. 2 is a flowchart of an air conditioner operation control method according to the present embodiment.

도 2를 참고하면, 본 실시예에 따른 에어컨 운전 제어 방법은 키입력부(10)로부터 희망온도와 풍량 설정 신호를 입력받고, 실내온도를 검출한다(S31).Referring to FIG. 2, the air conditioner operation control method according to the present embodiment receives the desired temperature and air amount setting signal from the key input unit 10, and detects the room temperature (S31).

이때, 희망온도와 실내온도의 온도차가 일정온도(5℃) 이상이고(S32), 풍량이 제1풍량(강력풍), 제2풍량(강풍), 제3풍량(표준풍), 제4풍량(약풍) 중 가장 작은 풍량을 갖는 제4풍량(약풍)으로 설정되며(S33), 실내온도가 일정온도(28℃) 미 만일 때(S34) 일정 용량을 갖는 제1압축기(41)보다 작은 용량을 갖는 제2압축기(42)만 구동시킨다(S35).At this time, if the temperature difference between the desired temperature and the room temperature is equal to or higher than a predetermined temperature (5 DEG C) (S32) and the air volume is higher than the first air volume (strong wind), the second air volume (strong wind), the third air volume (28) (S34), the capacity of the first compressor (41) having a constant capacity is set to be smaller than the capacity of the first compressor (41) having a constant capacity (Step S35).

즉, 실내온도가 일정온도(28℃) 미만인 환경에서 희망온도와 실내온도의 온도차가 일정온도(5℃) 이상 나더라도 사용자가 풍량을 제4풍량(약풍)으로 설정했다면, 제1압축기(41)보다 작은 용량을 갖는 제2압축기(42)만 구동시킨다. 결국 사용자가 희망온도를 실내온도보다 5℃이상 낮게 설정하고, 풍량을 약풍으로 설정했다면 찬 바람이 싫다는 의사이므로 제1압축기(41)보다 작은 용량을 갖는 제2압축기(42)만 구동시켜 사용자의 편익을 향상시킨다.That is, even if the temperature difference between the desired temperature and the room temperature is equal to or higher than a predetermined temperature (5 ° C) in an environment where the room temperature is lower than a predetermined temperature (28 ° C), if the user sets the air volume as the fourth air volume The second compressor 42 having a smaller capacity than the first compressor 42 is driven. As a result, if the user sets the desired temperature to be lower than the room temperature by 5 ° C or more and sets the air flow rate to the weak air flow, only the second compressor 42 having a capacity smaller than that of the first compressor 41 is driven, .

그리고, 실내온도가 일정온도(28℃) 이상이면, 설정된 풍량에 관계없이 희망온도와 실내온도의 온도차에 따라 제1압축기(41)와 제2압축기(42)를 모두 구동하거나 어느 하나를 선택적으로 구동한다(S36).If the indoor temperature is equal to or higher than the predetermined temperature (28 DEG C), the first compressor (41) and the second compressor (42) are driven either in accordance with the temperature difference between the desired temperature and the room temperature, (S36).

예를 들어, 실내온도가 28℃이상이고, 상기 온도차가 온도차가 5℃ 이상이면 일정 용량을 갖는 제1압축기(41)와 제1압축기(41)보다 작은 용량을 갖는 제2압축기(42)를 모두 구동하고, 온도차가 3℃이상 5℃미만이면 큰 용량을 갖는 제1압축기(41)만 구동하며, 온도차가 1℃이상 3℃미만이면 작은 용량을 갖는 제2압축기(42)만 구동한다.For example, if the indoor temperature is 28 ° C or higher and the temperature difference is 5 ° C or higher, the first compressor 41 having a constant capacity and the second compressor 42 having a smaller capacity than the first compressor 41 Only the first compressor 41 having a large capacity is driven if the temperature difference is between 3 ° C and 5 ° C, and only the second compressor 42 having a small capacity is driven if the temperature difference is between 1 ° C and 3 ° C.

이와 같이 본 실시예에 의한 에어컨 운전 제어 방법은 사용자가 설정한 희망온도뿐만 아니라 풍량까지 감안하여 에어컨 용량을 가변적으로 제어함으로써 사용자에게 편익을 향상 시킨다.As described above, the air conditioner operation control method according to the present embodiment improves the convenience to the user by variably controlling the air conditioner capacity in consideration of not only the desired temperature set by the user but also the air amount.

본 발명은 도면에 도시된 실시예를 참고로 하여 설명되었으나, 이는 예시적 인 것에 불과하며 당해 기술이 속하는 기술분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다. 따라서, 본 발명의 기술적 보호범위는 특허청구범위에 의하여 정해져야할 것이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. . Accordingly, the technical scope of the present invention should be determined by the claims.

도 1은 본 실시예에 따른 에어컨 운전 제어 시스템의 블럭도이다.1 is a block diagram of an air conditioner operation control system according to the present embodiment.

도 2은 본 실시예에 따른 에어컨 운전 제어 방법의 순서도이다. 2 is a flowchart of an air conditioner operation control method according to the present embodiment.

<도면의 주요부분에 대한 부호의 설명>Description of the Related Art

10 : 키입력부 20 : 실내온도 감지부10: key input unit 20: indoor temperature sensing unit

30 : 제어부 40 : 압축기구동부30: control unit 40: compressor driving unit

41 : 제1압축기 42 : 제2압축기41: first compressor 42: second compressor

Claims (5)

희망온도 및 풍량을 설정하기 위한 신호를 입력받고, 실내온도를 검출하는 단계; 및Receiving a signal for setting a desired temperature and an air flow rate, and detecting a room temperature; And 상기 희망온도와 상기 실내온도와의 온도차 및 상기 풍량에 따라 일정 용량을 갖는 제1압축기 및 상기 제1압축기보다 작은 용량을 갖는 제2압축기를 선택적으로 구동하는 단계를 포함하되, Selectively driving a first compressor having a predetermined capacity and a second compressor having a capacity smaller than that of the first compressor according to a temperature difference between the desired temperature and the room temperature and the air flow rate, 상기 희망온도와 상기 실내온도와의 온도차가 설정온도 이상이고, 상기 풍량이 제1풍량 내지 제4풍량 중 가장 작은 풍량을 갖는 상기 제4풍량으로 설정되면 상기 제2압축기만 구동하는 것을 특징으로 하는 에어컨 운전 제어 방법.The second compressor is driven only when the temperature difference between the desired temperature and the room temperature is equal to or higher than the set temperature and the air volume is set to the fourth air volume having the smallest air volume among the first air volume to the fourth air volume Air conditioner operation control method. 삭제delete 제 1 항에 있어서,The method according to claim 1, 상기 설정온도는 5℃인 것을 특징으로 하는 에어컨 운전 제어 방법.Wherein the set temperature is 5 占 폚. 제 1 항에 있어서, 상기 실내온도가 일정온도 이상이면, The method of claim 1, wherein if the room temperature is equal to or higher than a predetermined temperature, 상기 풍량에 관계없이 상기 희망온도와 상기 실내온도와의 온도차에 따라 상기 제1압축기 및 상기 제2압축기를 모두 구동하거나 어느 하나를 선택적으로 구동하는 것을 특징으로 하는 에어컨 운전 제어 방법.Wherein either one of the first compressor and the second compressor is driven or any one of them is selectively driven according to a temperature difference between the desired temperature and the room temperature regardless of the air volume. 제 4 항에 있어서, 5. The method of claim 4, 상기 실내온도가 28℃이상이고,The room temperature is 28 DEG C or higher, 상기 온도차가 5℃ 이상이면 상기 제1압축기와 상기 제2압축기를 모두 구동하고, 상기 온도차가 3℃이상 5℃미만이면 상기 제1압축기만 구동하며, 상기 온도차가 1℃이상 3℃미만이면 상기 제2압축기만 구동하는 것을 특징으로 하는 에어컨 운전 제어 방법.The first compressor and the second compressor are both driven when the temperature difference is equal to or higher than 5 캜 and only the first compressor is driven when the temperature difference is equal to or higher than 3 캜 and less than 5 캜, Wherein only the second compressor is driven.
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