KR19980023113A - Air Conditioner and Control Method - Google Patents
Air Conditioner and Control Method Download PDFInfo
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- KR19980023113A KR19980023113A KR1019960042547A KR19960042547A KR19980023113A KR 19980023113 A KR19980023113 A KR 19980023113A KR 1019960042547 A KR1019960042547 A KR 1019960042547A KR 19960042547 A KR19960042547 A KR 19960042547A KR 19980023113 A KR19980023113 A KR 19980023113A
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- temperature
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- evaporator
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F11/70—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
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
본 발명은 공기조화기 및 그 제어방법에 관한 것으로 실내 공기에 포함된 가스량을 감지하는 가스감지부(130)를 더 구비하고, 압축기,응축기,증발기등을 포함하여 이루어지는 냉동사이클에 의해 냉난방을 수행하도록 된 공기조화기에 있어서, (가) 실내공기에 포함된 가스량을 감지하여 소정의 기설정된 기준치와 비교하는 단계, (나) 상기 비교결과 실내가스량이 기준치이상이면 상기 압축기를 최소회전수로 구동시키고, 실외팬을 구동시키는 단계, (다) 실내온도 및 증발기의 온도를 감지하는 단계, (라) 상기 단계(다)의 감지결과 실내온도와 증발기의 온도가 제 1온도차이상이면 실내팬을 최소회전수로 구동시켜 실내공기중의 가스를 제거하는 공기청정운전을 수행하는 단계, (마) 실내온도와 증발기의 온도가 제2온도차이상이면 압축기,실외팬 및 실내팬의 구동을 오프시키고 공기청정운전을 완료하는 단계를 구비한 것을 특징으로 한다.The present invention relates to an air conditioner and a control method thereof, further comprising a gas detecting unit 130 for detecting the amount of gas contained in the indoor air, and performing cooling and heating by a refrigeration cycle including a compressor, a condenser, and an evaporator. In the air conditioner, (A) detecting the amount of gas contained in the indoor air and comparing it with a predetermined reference value, (B) if the indoor gas amount is greater than the reference value as a result of the comparison, the compressor is driven at the minimum rotational speed Driving the outdoor fan; (c) detecting the indoor temperature and the temperature of the evaporator; and (d) if the indoor temperature and the evaporator have a temperature difference of more than a first temperature, the indoor fan is rotated minimum. Performing an air cleaning operation to remove gas from indoor air by driving with water; (e) if the temperature of the indoor temperature and the evaporator is greater than or equal to the second temperature difference, the compressor, outdoor fan, and indoor And turning off the fan and completing the air cleaning operation.
Description
본 발명은 공기조화기 및 그 제어방법에 관한 것으로, 더욱 상세하게는 실내공기에 함유된 가스를 감지하고, 실내팬 및 압축기의 구동을 제어하여 증발기의 표면에 습기를 발생시켜 상기 가스를 제거할 수 있도록 된 공기조화기 및 그 제어방법에 관한 것이다.The present invention relates to an air conditioner and a control method thereof, and more particularly, to detect gas contained in indoor air, and to control the driving of an indoor fan and a compressor to generate moisture on the surface of an evaporator to remove the gas. It relates to an air conditioner and a control method thereof.
일반적으로 공기조화기는 압축,응축,팽창,증발의 4과정을 연속적으로 반복 수행하면서 실내를 냉방시키게 되는 데 이는 냉매가 증발이 이루어지는 과정에서 주변의 공기로부터 열을 흡수하는 증발기가 내설된 실내기와, 냉매를 고온고압으로 압축하는 압축기와, 상기 압축기에 의해 고온고압으로 압축된 냉매의 응축이 일어나며 주변으로 열을 방출하는 응축기가 내설되는 실외기가 별도로 구성되며 이들은 각각 실내,외에 설치된다.In general, the air conditioner cools the room while repeatedly performing the four processes of compression, condensation, expansion, and evaporation. The compressor compresses the refrigerant at a high temperature and high pressure, and an outdoor unit in which a condenser, which condenses the refrigerant compressed at a high temperature and high pressure by the compressor, emits heat to the surroundings, is installed separately.
이러한 공기조화기는 기본적으로 공기조화를 수행하기 위해 냉방 및 난방을 수행하는 데, 냉방운전시에는 실내온도와 증발기온도의 차에 의하여 실내공기에 포함된 습기가 노점온도 이하인 증발기와 접촉하여 증발기 표면에 응축되어 이슬로 맺히게 된다.Such an air conditioner basically performs cooling and heating in order to perform air conditioning. In the cooling operation, the moisture contained in the indoor air is brought into contact with the evaporator when the moisture contained in the indoor air is below the dew point temperature by the difference between the room temperature and the evaporator temperature. It condenses and forms dew.
한편, 근래에는 공기조화기에 의한 냉방 및 난방의 기능외에 실내에서 발생되는 먼저 및 가스등을 제거할 수 있도록 공기청정기능을 구비하여, 냉방 및 난방을 수행하지 않는 시기에 공기조화기를 공기청정기로 사용할 수 있도록 하여 하나의 제품을 복합적으로 사용할 수 있도록 한 공기조화기가 필요하게 되었다.On the other hand, in recent years, in addition to the function of cooling and heating by the air conditioner equipped with an air cleaning function to remove the first and gas generated in the room, the air conditioner can be used as an air cleaner when not cooling and heating Therefore, an air conditioner is required to use a single product in combination.
따라서, 본 발명은 이러한 점에 착안하여 안출된 것으로써 그 목적은 실내에서 발생되는 가스를 실내팬 및 압축기의 구동을 제어함으로써 효과적으로 제거할 수 있도록 하여 공기조화기를 사용하지 않는 시기에 이를 공기청정기로 대체사용할 수 있도록 된 공기조화기 및 그 제어방법을 제공하고자 하는 것이다.Therefore, the present invention has been devised in view of this point and its object is to effectively remove the gas generated in the room by controlling the operation of the indoor fan and the compressor to the air purifier when not using the air conditioner It is an object of the present invention to provide an air conditioner and a method of controlling the same.
도 1은 일반적인 공기조화기의 냉방사이클을 보인 도이다.1 is a view showing a cooling cycle of a general air conditioner.
도 2는 본 발명에 따른 공기조화기의 구성을 보인 제어블럭도이다.2 is a control block diagram showing the configuration of an air conditioner according to the present invention.
도 3은 본 발명에 따른 공깆호화기의 구동제어방법을 보인 플로우차트이다.3 is a flowchart showing a drive control method of a common encoder according to the present invention.
* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
100...마이컴, 110...실내온도감지부,100 ... microcomputer, 110 ... indoor temperature sensor,
120...증발기온도감지부, 130...가스감지부,120 evaporator temperature detector, 130 gas detector,
140...압축기구동부, 150...실외팬구동부,140 ... compression drive unit, 150 ... outdoor fan drive unit,
160...실내팬구동부, 170...루버구동부.160 ... indoor fan drive, 170 ... louver drive.
이를 실현하기 위하여 본 발명에 따른 공기조화기는 압축기,응축기,증발기등을 포함하여 이루어지는 냉동사이클에 의해 냉난방을 수행하도록 된 공기조화기에 있어서, 실내 공기에 포함된 가스량을 감지하는 가스감지부와; 상기 가스감지부의 감지결과 실내 가스량이 소정 기준치이상이면 상기 압축기를 운전가능한 범위내에서 최소회전수로 구동시키는 압축기구동부와; 상기 압축기의 구동과 동시에 상기 응축기의 열교환을 촉진시키도록 마련된 실외팬을 구동시키는 실외팬구동부와; 증발기의 온도와 실내온도가 소정값이상의 온도차가 발생되면 실내팬을 구동시켜 실내공기가 증발기로 유입될 수 있도록 하는 실내팬구동부와; 상기 가스감지부의 감지결과를 입력받아 상기 압축기,실외팬 및 실내팬의 구동을 제어하도록 소정의 제어신호를 출력하는 마이컴을 구비한 것을 특징으로 한다.In order to realize this, the air conditioner according to the present invention includes an air conditioner configured to perform cooling and heating by a refrigeration cycle including a compressor, a condenser, an evaporator, etc., comprising: a gas sensing unit configured to detect an amount of gas contained in indoor air; A compressor driving unit for driving the compressor at a minimum rotational speed within an operable range if the indoor gas amount is greater than a predetermined reference value as a result of the detection of the gas detecting unit; An outdoor fan driver configured to drive an outdoor fan provided to promote heat exchange of the condenser at the same time as the compressor; An indoor fan driver for driving the indoor fan to allow indoor air to flow into the evaporator when a temperature difference between the temperature of the evaporator and the indoor temperature is greater than a predetermined value; And a microcomputer that receives a detection result of the gas detector and outputs a predetermined control signal to control the driving of the compressor, the outdoor fan, and the indoor fan.
또한, 본 발명에 따른 공기조화기의 제어방법은 압축기,응축기,증발기등을 포함하여 이루어지는 냉동사이클에 의해 냉난방을 수행하도록 된 공기조화기에 있어서, (가) 실내공기에 포함된 가스량을 감지하여 소정의 기설정된 기준치와 비교하는 단계, (나) 상기 비교결과 실내가스량이 기준치이상이면 상기 압축기를 최소회전수로 구동시키고, 실외팬을 구동시키는 단계, (다) 실내온도 및 증발기의 온도를 감지하는 단계, (라) 상기 단계(다)의 감지결과 실내온도와 증발기의 온도가 제 1온도차이상이면 실내팬을 최소회전수로 구동시켜 실내공기중의 가스를 제거하는 공기청정운전을 수행하는 단계, (마) 실내온도와 증발기의 온도가 제2온도차이상이면 압축기,실외팬 및 실내팬의 구동을 오프시키고 공기청정운전을 완료하는 단계를 구비한 것을 특징으로 한다.In addition, the control method of the air conditioner according to the present invention is an air conditioner to perform cooling and heating by a refrigeration cycle comprising a compressor, a condenser, an evaporator, etc. (A) by detecting the amount of gas contained in the indoor air Comparing the preset reference value to (b) driving the compressor at the minimum rotational speed and driving the outdoor fan if the indoor gas amount is greater than the reference value, and (c) detecting the indoor temperature and the temperature of the evaporator. Step, (d) performing the air cleaning operation to remove the gas in the indoor air by driving the indoor fan at the minimum rotational speed when the indoor temperature and the temperature of the evaporator are greater than the first temperature difference as a result of the detection of the step (c); (E) if the temperature between the indoor temperature and the evaporator is greater than or equal to the second temperature, turning off the compressor, the outdoor fan, and the indoor fan, and completing the air cleaning operation. It shall be.
이하에는 본 발명의 양호한 실시예에 따른 구성 및 작용효과를 상세하게 설명한다.Hereinafter, the configuration and the effect according to the preferred embodiment of the present invention will be described in detail.
먼저, 도 1은 일반적인 공기조화기의 냉방사이클을 도시한 것이다. 이에 도시된 바와 같이, 공기조화의 기초가 되는 냉방사이클은 압축기(40), 응축기(10), 모세관(20), 증발기(30)의 일련의 장치들이 냉매관을 통해 직렬연결되어 냉매의 상태가 압축, 응축, 감압, 증발의 과정을 반복하는 사이클로 구성된다.First, Figure 1 shows a cooling cycle of a general air conditioner. As shown in the figure, a cooling cycle that is the basis of air conditioning is a series of devices of the compressor 40, the condenser 10, the capillary tube 20, the evaporator 30 is connected in series through the refrigerant pipe to the state of the refrigerant It consists of a cycle of repeated compression, condensation, depressurization and evaporation.
상기 구성에 의해 냉방운전을 수행하는 경우 가스상의 냉매는 압축기(40)에 의해서 고온 고압으로 압축되어 응축기(10)로 유입되어 응축 액화되고 액화된 냉매는 모세관(20)을 통해서 압력이 감압되어 증발기(30)에 들어가고 여기서 주위에서 열을 빼앗아서 증발한다. 증발한 냉매는 가스로 되어 다시 압축기(40)에 흡입되어 순환 작용이 반복된다. 증발기(30)에서 차가와진 공기에 실내팬(60)에 의해 실내의 공기를 통과시켜 실내 공기를 차게 하여 다시 실내로 송입한다. 이것을 반복함으로써 실내가 점점 냉방되게 된다. 이러한 과정에 의해 실내 공기가 가지고 있는 열을 계속해서 실외로 운반하여 방출한다.When the cooling operation is performed by the above configuration, the gaseous refrigerant is compressed to a high temperature and high pressure by the compressor 40 and flows into the condenser 10 to condense and liquefy the liquefied refrigerant. Enters (30), where heat is taken from the surroundings and evaporates. The evaporated refrigerant turns into gas and is sucked back into the compressor 40 to repeat the circulation action. The indoor air is passed by the indoor fan 60 through the cool air from the evaporator 30 to cool the indoor air, and then the air is supplied again. By repeating this, the room is gradually cooled. By this process, the heat of indoor air continues to be transported and released to the outside.
또한, 본 발명에 따른 공기조화기는 도 2에 도시한 바와 같이, 공기조화기의 냉방 및 공기청정등의 운전을 총괄적으로 제어하는 마이컴(100)과, 실내의 온도를 감지하는 실내온도감지부(110)와, 증발기의 표면온도를 감지하는 증발기 온도감지부(120)와, 실내의 공기에 함유된 가스를 감지하여 그 감지된 가스량에 비례하는 신호를 상기 마이컴(100)에 출력하는 가스감지부(130)와, 실내의 공기를 흡입하여 증발기(30)와 열교환시킨 뒤 실내로 토출시키는 실내팬(60)을 소정 회전수로 구동시키는 실내팬구동부(160)와, 상기 마이컴(100)의 제어신호에 따라 압축기(40)를 소정의 운전주파수로 구동시키는 압축기구동부(140)와, 응축기(10)와 실외공기와의 열교환을 촉진시키는 실외팬(50)의 구동을 제어하는 실외팬구동부(150)와, 상기 증발기(30)에 의해 열교환된 공기의 토출풍향을 제어하도록 루버의 구동을 제어하는 루버구동부(170)를 구비한다.In addition, the air conditioner according to the present invention, as shown in Figure 2, the microcomputer 100 for the overall control of the operation of the air conditioning and cooling of the air conditioner, and the indoor temperature detection unit for sensing the temperature of the room ( 110, an evaporator temperature detector 120 for detecting the surface temperature of the evaporator, and a gas detector for detecting a gas contained in the air in the room and outputting a signal proportional to the amount of gas detected by the microcomputer 100. 130 and the indoor fan driver 160 driving the indoor fan 60 to suck the air in the room, heat exchange with the evaporator 30, and discharge the air into the room at a predetermined rotational speed, and control of the microcomputer 100. The compressor driver 140 driving the compressor 40 at a predetermined operating frequency according to the signal, and the outdoor fan driver 150 controlling the driving of the outdoor fan 50 to promote heat exchange between the condenser 10 and the outdoor air. ) And the air heat exchanged by the evaporator 30 To control the output direction of the wind and a louver driving unit 170 for controlling the driving of the louver.
상기의 구성에 있어서, 가스감지부(130)는 실내공기가 유입되는 증발기의 전면에 설치되어 실내공기에 포함된 가스(SO2,NO2,CO등)를 감지한다. 이러한 가스감지부(130)는 일반적으로 접촉연소방식의 센서로서 알루미나 소결체에 Pt,Pd등을 증감촉매로서 사용한 SnO2,ZnO나 AFe2O3등을 소결하여 만든 산화물 반도체로 치환한 것이다. 이러한 가스센서의 원리는 일예로 SnO2반도체 가스센서는 반도체 표면에 가스가 흡착함에 따라 반도체의 전도가 변화되어 센서의 저항치가 변화되는 것을 이용한 것이며, 센서에는 히터가 내장되어 이에 따라 반도체 감지부를 200℃ - 300℃로 가열하여 가스의 흡착속도를 빠르게 한다. 또한, 이러한 가스센서의 저항치는 가스의 농도가 증가됨에 따라 저하되게 된다.In the above configuration, the gas detection unit 130 is installed on the front of the evaporator in which the indoor air flows to detect the gas (SO 2 , NO 2 , CO, etc.) contained in the indoor air. The gas detecting unit 130 is a contact combustion type sensor, which is generally replaced with an oxide semiconductor made by sintering SnO 2 , ZnO, AFe 2 O 3, etc. using Pt, Pd or the like as a sensitization catalyst in an alumina sintered body. The principle of the gas sensor is, for example, SnO 2 semiconductor gas sensor is that the conductivity of the semiconductor is changed as the gas is adsorbed on the semiconductor surface to change the resistance value of the sensor, the heater is built in the sensor accordingly 200 It heats up to 300 ℃ and it speeds up the adsorption of gas. In addition, the resistance of the gas sensor is lowered as the concentration of the gas is increased.
이러한 구성을 갖는 본 발명에 따른 공기조화기의 구동제어방법은 도 3에 도시한 플로우차트에서 보는 바와 같다. 이는 도 3에 도시한 바와 같이, 먼저 단계(s10)에서는 공기조화기가 운전중인가 즉 냉방운전 혹은 난방운전을 수행중인가를 판단하고, 이때 압축기가 오프된 상태이면 공조운전을 수행하지 않는 상태이므로 단계(s12)로 진행하여 가스감지부를 통해 실내 공기에 포함된 가스량(G)을 감지한다. 또한, 이때 감지된 가스량은 단계(s14)에서 공기청정기능을 수행하기 위한 기준조건으로서 기설정된 소정 기준값이상인가를 판단하게 된다.The driving control method of the air conditioner according to the present invention having such a configuration is as shown in the flowchart shown in FIG. As shown in FIG. 3, first, in step S10, it is determined whether the air conditioner is in operation, that is, cooling or heating is being performed. If the compressor is off, air conditioning is not performed. The flow proceeds to step s12 to detect the gas amount G included in the indoor air through the gas detector. In addition, it is determined at this time that the detected gas amount is equal to or greater than a predetermined reference value which is set as a reference condition for performing the air cleaning function in step S14.
상기 판단결과 실내의 가스량이 소정 기준값이상이면 공기청정운전을 수행할 필요가 있는 것으로 판단하여 단계(s16)에서와 같이 압축기의 운전주파수를 실행가능한 주파수의 범위내에서 최소 운전주파수로 구동시키게 된다. 또한, 단계(s18)에서는 압축기가 구동됨에 따른 압축기의 구동시간을 카운트하게 된다. 단계(s20)에서는 실외팬(50)을 구동시키고, 실내팬(60)은 구동을 오프시키는 데 이는 압축기(40)의 구동에 의해 고온고압으로 압축된 냉매가 응축기(10)로 유입되어 외부의 공기와 열교환되어 응축된 뒤 저온의 냉매가 증발기(30)로 유입되도록 한다. 이때 저온의 냉매가 유입되는 증발기(30)와 실내의 더운 공기가 접촉하여 실내 공기에 함유된 습기가 증발기 표면에 응축되어 이슬로 맺히게 된다.As a result of the determination, if the amount of gas in the room is greater than or equal to a predetermined reference value, it is determined that the air cleaning operation needs to be performed, and as shown in step S16, the driving frequency of the compressor is driven at the minimum operating frequency within a range of executable frequencies. In operation s18, the driving time of the compressor is counted as the compressor is driven. In step s20, the outdoor fan 50 is driven, and the indoor fan 60 is turned off. The refrigerant compressed at high temperature and high pressure by the driving of the compressor 40 flows into the condenser 10 to the outside. After the heat exchange with the air to condense, the low-temperature refrigerant is introduced into the evaporator (30). At this time, the evaporator 30 into which the low-temperature refrigerant flows and the hot air in the room come into contact with each other to condense dew on the surface of the evaporator.
또한, 단계(s22)에서는 증발기온도감지부(120)를 통해 증발기의 온도를 감지하고, 단계(s24)에서는 실내온도감지부(110)를 통해 실내온도를 감지하게 된다. 따라서, 단계(s26)에서는 상기 단계 (s22)및 (s24)에서 각각 감지된 증발기의 온도와 실내온도의 차가 소정치 예컨데 10℃이상인가를 비교하고, 10℃이상이면 단계(s28)로 진행한다. 단계(s28)에서는 실내팬(60)을 최소회전수로 구동시켜 실내의 공기를 증발기로 흡입하여 증발기(30)의 표면에 형성된 이슬에 실내공기중에 함유된 먼지 및 가스등이 흡착되어 제거될 수 있도록 한다. 한편, 단계(s30)에서는 루버를 구동가능범위내에서 최상향으로 구동시킨다.In addition, in step S22, the temperature of the evaporator is sensed through the evaporator temperature detector 120, and in step S24, the indoor temperature is sensed through the indoor temperature detector 110. FIG. Therefore, in step s26, the difference between the temperature of the evaporator sensed in steps s22 and s24 and the room temperature, respectively, is compared with a predetermined value, for example, 10 ° C or more, and if it is 10 ° C or more, the process proceeds to step s28. . In step s28, the indoor fan 60 is driven at the minimum rotational speed so that the indoor air is sucked into the evaporator so that the dust and gas contained in the indoor air are adsorbed and removed from the dew formed on the surface of the evaporator 30. do. On the other hand, in step S30, the louver is driven upward in the driveable range.
이러한 공기청정운전중에 실내온도가 증발기(30)의 온도와 비교하여 단계(s32)에서와 같이 소정 온도 예컨데 20℃이상 높으면 단계(s34)에서는 압축기(40)의 구동을 오프시키고, 단계(s36)에서 실내팬(60) 및 실외팬(50)의 구동을 오프시켜 공기청정운전을 완료한다. 반면, 온도차가 20℃이하이면 단계(s42)로 진행하여 압축기(40)의 운전시간(T)이 공기청정운전을 완료하기 위하여 기설정된 기준시간이상인가를 판단하여 기준시간이상이면 실내온도 및 증발기의 온도차와 실내의 가스량의 대소에 관계없이 단계(s34)로 진행하여 공기청정운전을 종료시킨다.During the air cleaning operation, if the indoor temperature is higher than the temperature of the evaporator 30, the predetermined temperature, for example, 20 ° C. or more, as in step S32, the driving of the compressor 40 is turned off in step S34, and step S36. The air cleaning operation is completed by turning off the driving of the indoor fan 60 and the outdoor fan 50. On the other hand, if the temperature difference is less than 20 ℃ proceeds to step s42 to determine whether the operation time (T) of the compressor 40 is more than the predetermined reference time to complete the air cleaning operation, if the reference time is more than the room temperature and evaporator Irrespective of the difference in temperature and the amount of gas in the room, the process proceeds to step s34 to terminate the air cleaning operation.
그러나, 소정 기준시간이내이면 상기 단계(s12)로 복귀하여 이하 단계를 반복하여 공기청정운전을 수행하게 된다. 한편, 단계(s14)에서 공기청정운전의 수행으로 실내 공기에 포함된 가스량이 일정 기준값이하로 감소하였으면 단계(s38) 및 단계(s40)으로 진행하여 압축기 및 실외팬, 실내팬의 구동을 오프시켜 공기청정운전을 완료하게 된다.However, if within a predetermined reference time, the process returns to the step S12 and the air cleaning operation is performed by repeating the following steps. On the other hand, if the amount of gas contained in the indoor air is reduced to a predetermined reference value or less by performing the air cleaning operation in step (s14), proceed to step (s38) and step (s40) to turn off the drive of the compressor, the outdoor fan and the indoor fan The air cleaning operation is completed.
이상에서 설명한 바와 같이, 본 발명에 따른 공기조화기 및 그 제어방법에 의하여 냉방 및 난방운전을 수행하지 않는 기간동안 압축기 및 실내팬과 실외팬의 구동을 제어하여 증발기에 형성되는 이슬로 실내공기중에 포함된 가스를 제거함으로써 별도의 기구를 추가하지 않고도 공기조화기를 공기청정기로 사용할 수 있어 사용가치를 높이며, 공기조화기의 복합상품화를 이룰 수 있어 사용자의 만족도를 향상시킬 수 있는 이점을 제공하게 된다.As described above, by controlling the operation of the compressor, the indoor fan and the outdoor fan during the period of not performing the cooling and heating operation by the air conditioner and the control method according to the present invention in the dew furnace indoor air formed in the evaporator By eliminating the gas included, the air conditioner can be used as an air purifier without adding a separate device, thereby increasing the value of use, and achieving the commercialization of the air conditioner, thereby improving the user's satisfaction. .
Claims (5)
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| KR1019960042547A KR0169461B1 (en) | 1996-09-25 | 1996-09-25 | Airconditioner and its control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100686515B1 (en) * | 2005-01-26 | 2007-02-27 | 임헌북 | Ventilation system and method of controlling the same |
| CN111591099A (en) * | 2020-03-30 | 2020-08-28 | 宁波吉利汽车研究开发有限公司 | Odor purification method and system of vehicle-mounted air conditioner, electronic equipment and storage medium |
| CN113847683A (en) * | 2021-09-09 | 2021-12-28 | 珠海格力电器股份有限公司 | Cleaning control method and device for air conditioner, processor and air conditioning system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100686515B1 (en) * | 2005-01-26 | 2007-02-27 | 임헌북 | Ventilation system and method of controlling the same |
| CN111591099A (en) * | 2020-03-30 | 2020-08-28 | 宁波吉利汽车研究开发有限公司 | Odor purification method and system of vehicle-mounted air conditioner, electronic equipment and storage medium |
| CN111591099B (en) * | 2020-03-30 | 2022-08-02 | 宁波吉利汽车研究开发有限公司 | Odor purification method and system of vehicle-mounted air conditioner, electronic equipment and storage medium |
| CN113847683A (en) * | 2021-09-09 | 2021-12-28 | 珠海格力电器股份有限公司 | Cleaning control method and device for air conditioner, processor and air conditioning system |
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