EP1632738B1 - Klimaanlage und Verfahren zu deren Betrieb - Google Patents

Klimaanlage und Verfahren zu deren Betrieb Download PDF

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Publication number
EP1632738B1
EP1632738B1 EP05101673.1A EP05101673A EP1632738B1 EP 1632738 B1 EP1632738 B1 EP 1632738B1 EP 05101673 A EP05101673 A EP 05101673A EP 1632738 B1 EP1632738 B1 EP 1632738B1
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EP
European Patent Office
Prior art keywords
capacity compressor
temperature
small
conditioner
air
Prior art date
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Ceased
Application number
EP05101673.1A
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English (en)
French (fr)
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EP1632738A2 (de
EP1632738A3 (de
Inventor
Yoon-Jei Hwang
Ji-Young Jang
Chan-Ho Song
Jeong-Taek Park
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LG Electronics Inc
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LG Electronics Inc
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Publication of EP1632738A2 publication Critical patent/EP1632738A2/de
Publication of EP1632738A3 publication Critical patent/EP1632738A3/de
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Publication of EP1632738B1 publication Critical patent/EP1632738B1/de
Ceased legal-status Critical Current
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Classifications

    • 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • 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
    • F24F3/06—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 arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room 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
    • F24F11/30—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
    • F24F11/62—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
    • 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
    • F25B2400/04—Refrigeration circuit bypassing means
    • F25B2400/0401—Refrigeration circuit bypassing means for the compressor
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/26—Problems to be solved characterised by the startup of the refrigeration 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
    • 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

Definitions

  • the present invention relates to an air-conditioner and, more particularly, to a method for controlling an operation of the air-conditioner.
  • an air-conditioner includes a compressor for compressing a low temperature low pressure gaseous refrigerant to a high temperature high pressure gaseous refrigerant; a condenser for changing the high temperature high pressure gaseous refrigerant after being compressed in the compressor into middle temperature high pressure liquid-state refrigerant; an electronic expansion valve for changing the middle temperature high pressure liquid-state refrigerant to low temperature low pressure liquid-state refrigerant; an evaporator for changing the low temperature low pressure liquid-state refrigerant to a gaseous refrigerant; and a four-way valve for changing a channel of the refrigerant according to a cooling mode or heating mode.
  • the indoor heat exchanger serves as the condenser and the outdoor heat exchanger serves as the evaporator
  • the indoor heat exchanger serves as the evaporator and the outdoor heat exchanger serves as the condenser.
  • output capacity of the air-conditioner can be varied according to a cooling load or a heating load by using a plurality of compressors each having different capacity, so cooling and heating efficiency can be optimized.
  • Figure 1 shows the construction of an air-conditioner in accordance with a conventional art.
  • the conventional air-conditioner includes: first and second compressors 11 and 12, each having different capacity, for compressing low temperature low pressure gaseous refrigerant to a high temperature high pressure gaseous refrigerant; an outdoor heat exchanger 14 for heat-exchanging the high temperature high pressure gaseous refrigerant with outdoor air so as to be condensed to a middle temperature high pressure liquid-state refrigerant; an outdoor fan 14A for blowing air toward the outdoor heat exchanger; an electronic expansion valve 15 for changing the middle temperature high pressure liquid-state refrigerant that has passed through the outdoor heat exchanger 14 to a low temperature low pressure liquid-state refrigerant; an indoor heat exchanger 16 for heat-exchanging the low temperature low pressure liquid-state refrigerant that has passed the electronic expansion valve with indoor air; an indoor fan 16A for blowing air toward the indoor heat exchanger 16; and an accumulator 17 for extracting only the gaseous refrigerant from the refrigerant that has passed through the indoor heat exchanger 16 and supplying it to
  • the air-conditioner also includes check valves 11A and 12A for preventing the refrigerant discharged from a small-capacity compressor 11 from flowing back to a large-capacity compressor 12 or the refrigerant discharged from the large compressor 12 from flowing back to the small-capacity compressor 11; and a four-way valve 13 for setting the role of the indoor heat exchanger and the outdoor heat exchanger by switching a channel of the refrigerant that has passed through the first and second compressors 11 and 12.
  • the refrigerant In cooling a room, the refrigerant is discharged from two compressors, passes through the check valve and then is condensed in the outdoor heat exchanger.
  • the condensed refrigerant passes through the electronic expansion valve and is evaporated in the indoor heat exchanger. Thereafter, the evaporated refrigerant passes through a common accumulator and then is returned to the compressor.
  • the operation of the conventional air-conditioner includes two stages. That is, in the first stage, only the first compressor 11 is operated, and in the second stage, both the first and second compressors 11 and 1 2 are operated. Namely, the conventional air-conditioner is operated by two stages.
  • the large-capacity compressor is actuated at a point when the pressure of the discharge passage of the large-capacity compressor and the pressure of the suction opening become equal after the certain time (maximum 30 minutes) elapses. Therefore, the capability of coping with a load of the air-conditioner deteriorates.
  • one object of the present invention is to provide an air-conditioner capable of enhancing load coping capability by shortening time to make a pressure of a discharge passage of a large-capacity compressor and a pressure of a suction opening of the large-capacity compressor equal before the large-capacity compressor is started for operation while a small-capacity compressor is being operated.
  • Another object of the present invention is to provide a method for controlling an operation of the air-conditioner, in which a small-capacity compressor and a large-capacity compressor are all operated to perform a cooling operation several times repeatedly, and then, when an indoor load is increased while only the small-capacity compressor is operated for cooling a room, a pressure of a discharge passage of the large-capacity compressor and a pressure of a suction opening of the small-capacity compressor are made to be equal and then the large-capacity compressor is started for perform a cooling operation, whereby the cooling operation of the air-conditioner is performed in a high power saving mode.
  • An air-conditioner capable of enhancing load coping capability by shortening time to make a pressure of a discharge passage of a large-capacity compressor and a pressure of a suction opening of the large-capacity compressor equal before the large-capacity compressor is started for operation while a small-capacity compressor is being operated, and a method for controlling an operation of an air-conditioner in which a small-capacity compressor and a large-capacity compressor are all operated to perform a cooling operation several times repeatedly, and then, when an indoor load is increased while only the small-capacity compressor is operated for cooling a room, a pressure of a discharge passage of the large-capacity compressor and a pressure of a suction opening of the small-capacity compressor are made to be equal and then the large-capacity compressor is started for perform a cooling operation, whereby the cooling operation of the air-conditioner is performed in a high power saving mode, in accordance with a preferred embodiment of the present invention will now be described with reference to Figures 3 to
  • FIG. 3 is a block diagram of an air-conditioner in accordance with the present invention.
  • an air-conditioner in accordance with the present invention includes: a small-capacity compressor 31 and a large-capacity compressor 32 for compressing a refrigerant to a high temperature high pressure gaseous refrigerant; first check value 33 and second check valve 34 respectively installed at a discharge passage of a refrigerant channel of the small-capacity compressor and the large-capacity compressor; an indoor heat exchanger 35 connected to the first and second check valves; an outdoor heat exchanger 36 connected to the indoor heat exchanger; an accumulator 37 connected to the outdoor heat exchanger; a valve (38) for connecting the suction opening and the discharge passage of the refrigerant channel of a compressor having greater compression capacity among the small-capacity compressor and the large-capacity compressor; and a controller (not shown) for controlling the valve.
  • the method for controlling an operation of the air-condition includes: a first step in which in case of a cooling operation, a small-capacity compressor and a large-capacity compressor are actuated, and then, when a value of a room temperature varied by the actuated small-capacity compressor and large-capacity compressor is smaller than a value obtained by subtracting a pre-set first temperature from a desired temperature set by a user, the small-capacity compressor and the large-capacity compressor are stopped; a second step in which in a state than the small-capacity compressor and the large-capacity compressor are stopped, when the value of the room temperature is greater than a value obtained by adding a pre-set second temperature to the desired temperature, it goes back to the first step; a third step in which the first and second steps are repeatedly performed as many as the pre-set number of times; a fourth step in which only the small-capacity compressor is controlled to satisfy a relation of (desired temperature
  • the operation of the air-conditioner will be described in detail as follows.
  • the air-conditioner of the present invention is operated by two stages.
  • the small-capacity compressor 31 compresses the gaseous refrigerant.
  • the compressed refrigerant flows to the indoor heat exchanger 35 after passing through the first check valve 33.
  • the valve 38 is operated for a certain time before operating the large-capacity compressor 32.
  • the operation of the large-capacity compressor 32 is performed when an indoor load is increased. In other words, the room temperature is controlled only by the small-capacity compressor 31, and then, when the room temperature goes gradually up to be higher by a pre-set certain temperature than a desired temperature as set by the user, the large-capacity compressor 32 is then actuated.
  • the reason of operating the valve 38 for a certain time is to make the pressure of the suction opening of the large-capacity compressor 32 into which the refrigerant flows and the pressure of the discharge passage of the large-capacity compressor 32 from which the refrigerant is discharged equal.
  • the certain time during which the valve 38 is operated is preferably 1 minute and 30 seconds as obtained from experimentation.
  • the valve can be installed at either side of the two compressors.
  • the refrigerant After passing through the small-capacity compressor 31 and the large-capacity compressor 32, the refrigerant flows through the first and second check valves 33 and 34, and then to the outdoor heat exchanger 36 through the refrigerant channel. The refrigerant is then introduced from the outdoor heat exchanger 36 to the accumulator 37 and then to the small-capacity compressor 31 or to the large-capacity compressor 32. Through the processes, cooling or heating is performed.
  • Figure 5 is a graph showing a waveform of a room temperature in the method for controlling an operation of the air-conditioner in accordance with the present invention.
  • the controller (not shown) actuates both the small-capacity compressor 31 and the large-capacity compressor 32 in order to lower the room temperature before operation of the air-conditioner, namely, in order to resolve the indoor load (step S401).
  • the controller compares a value of the room temperature changed by the operated small-capacity compressor 31 and large-capacity compressor 32 and a value obtained by subtracting a pre-set first temperature from a desired temperature set by the user (step S402).
  • the controller stops operation of the small-capacity compressor 31 and the large-capacity compressor 32 (step S403).
  • the controller keeps operating of the small-capacity compressor 31 and the large-capacity compressor 32.
  • the pre-set first temperature is preferably 0.5°C.
  • the controller compares the increased value of the room temperature and a value obtained by adding a pre-set second temperature to the desired temperature (step S404).
  • the controller actuates the small-capacity compressor 31 and the large-capacity compressor 32 again (step S401). If the increased value of the room temperature is smaller than the value obtained by adding the pre-set second temperature to the desired temperature, the controller maintains the stop state of the smaller-capacity compressor 31 and the large-capacitor compressor 32.
  • the indoor load can be resolved.
  • the certain number of times is preferably two times.
  • the small-capacity compressor is actuated (step S405).
  • the pre-set second temperature is preferably 0.5°C.
  • step S406 While the small-capacity compressor is being operated, the value of the room temperature and the value obtained by subtracting the pre-set first temperature from the desired temperature (step S406).
  • the small-capacity compressor is stopped (step S407), or otherwise, the small-capacity compressor is continuously operated.
  • the controller compares the value of the room temperature and the value obtained by adding the pre-set second temperature to the desired temperature (step S408).
  • the small-capacity compressor 31 is maintained in the stop stage.
  • the controller actuates the small-capacity compressor 31 again (step S409).
  • the value of the room temperature and a value obtained by adding a pre-set third temperature to the desired temperature are compared (step S410).
  • the pre-set third temperature is preferably greater than the pre-set first and second temperatures.
  • the valve 38 is operated for a certain time and then stopped (step S411).
  • the reason why the value of the room temperature is greater than the value obtained by adding the pre-set third temperature to the desired temperature is because it can happens that the room temperature is gradually increased when the room temperature is controlled only by the small-capacity compressor 31.
  • the certain time is preferably about 1 minute and 30 seconds (the optimum time obtained through experimentation).
  • step S412 After the valve 38 is stopped, the large-capacity compressor 32 is actuated to reduce the increased indoor load (step S412).
  • the two compressors of the air-conditioner in accordance with the present invention have the same capacity, the two compressors can be operated regardless of an actuation order.
  • the air-conditioner is operated according to the same control method.
  • the air-conditioner and the method for controlling an operation of the air-conditioner of the present invention have the following advantages.
  • the load coping capability can be enhanced.
  • the cooling operation of the air-conditioner can be performed in the high power saving mode.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Air Conditioning Control Device (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Claims (10)

  1. Klimaanlage umfassend:
    einen Kompressor mit kleiner Kapazität (31) und einen Kompressor mit großer Kapazität (32) zur Verdichtung eines Kühlmittels auf ein gasförmiges Hochtemperatur-Hochdruck-Kühlmittel,
    ein Ventil (38) zum Verbinden einer Ansaugöffnung für einen Kühlmittelkanal des Kompressors mit großer Kapazität (32) und eine Abgabepassage eines Kühlmittelkanals des Kompressors mit großer Kapazität (32), und
    einen Kontroller zur Kontrolle des Kompressors mit kleiner Kapazität (31), des Kompressors mit großer Kapazität (32); und
    einen Kontroller zur Steuerung des Kompressors mit kleiner Kapazität (31), des Kompressors mit großer Kapazität (31) und des Ventils (38),
    dadurch gekennzeichnet, dass
    der Kontroller einen Kontrollvorgang durch die folgenden Schritte ausführt, umfassend:
    - einen ersten Schritt , wobei im Falle eines Kühlbetriebs ein Kompressor mit kleiner Kapazität (31) und ein Kompressor mit großer Kapazität (32) betätigt werden, und dann, wenn ein Wert einer Raumtemperatur, der durch den betätigten Kompressor mit kleiner Kapazität (31) und den Kompressor mit großer Kapazität (32) variiert wird, kleiner ist als ein Wert, der durch Subtraktion einer voreingestellten ersten Temperatur von einer gewünschten vom Anwender eingestellten Temperatur erhalten wird, der Kompressor mit kleiner Kapazität (31) und der Kompressor mit großer Kapazität (32) angehalten werden;
    - einen zweiten Schritt, wobei er in einem Zustand, in dem der Kompressor mit kleiner Kapazität (31) und der Kompressor mit großer Kapazität (32) angehalten werden, wenn der Wert der Raumtemperatur größer ist als ein Wert, der durch Addieren der voreingestellten zweiten Temperatur zu der gewünschten Temperastur erhalten wird, zum ersten Schritt zurückkehrt;
    - einen dritten Schritt, wobei der erste und der zweite Schritt wiederholt so viele Male durchgeführt werden wie ein voreingestellte Anzahl von Malen;
    - einen vierten Schritt, wobei nur der Kompressor mit kleiner Kapazität (31) kontrolliert wird, um eine Beziehung von (gewünschter Temperatur - voreingestellter zweiter Temperatur) zu erfüllen;
    - einen fünften Schritt, wobei wenn der Wert der Raumtemperatur größer ist als ein Wert, der durch Addieren ein voreingestellten dritten Temperstur zu der gewünschten Temperatur erhalten wird, Ventil (28) für eine bestimmte Zeit betrieben und dann angehalten wird; und
    - eine sechsten Schritt, wobei der Kompressor mit großer Kapazität (32) betätigt wird,
    wobei die voreingestellte dritte Temperatur größer ist als die voreingestellten ersten und zweiten Temperaturen.
  2. Klimaanlage nach Anspruch 1, wobei während des Betreibens des Kompressors mit kleiner Kapazität (32) der Kontroller das Ventil für eine bestimmte Zeit vor dem Betreiben des Kompressors mit großer Kapazität betreibt, und der Kontroller dann den Kompressor mit großer Kapazität betreibt.
  3. Klimaanlage nach Anspruch 1 oder 2, wobei die bestimmte Zeit 1 Minute und 30 Sekunden ist.
  4. Klimaanlage nach einem der Ansprüche 1-3, wobei die voreingestellten ersten und zweiten Temperaturen 0,5 °C sind.
  5. Klimaanlage nach einem der Ansprüche 1-4, wobei die voreingestellte Anzahl von Malen zwei Mal ist.
  6. Verfahren zur Kontrolle eines Betriebs einer Klimaanlage mit einem Kompressor mit kleiner Kapazität (31) und einem Kompressor mit großer Kapazität (32) und einem Ventil (38) zum Verbinden einer Ansaugöffnung eines Kühlmittelkanals des Kompressors mit großer Kapazität (32) und einer Abgabepassage eines Kühlmittelkanals des Kompressors mit großer Kapazität (32) umfassend:
    einen ersten Schritt, wobei im Falle eines Kühlbetriebs der Kompressor mit kleiner Kapazität (31) und der Kompressor mit großer Kapazität (32) betätigt werden, und dann, wenn ein Wert einer Raumtemperatur, der durch den betätigten Kompressor mit kleiner Kapazität (31) und den Kompressor mit großer Kapazität (32) variiert wird, kleiner ist als ein Wert, der durch Subtraktion einer voreingestellten ersten Temperatur von einer gewünschten vom Anwender eingestellten Temperatur erhalten wird, der Kompressor mit kleiner Kapazität (31) und der Kompressor mit großer Kapazität (32) angehalten werden;
    - einen zweiten Schritt, wobei er in einem Zustand, in dem der Kompressor mit kleiner Kapazität (31) und der Kompressor mit großer Kapazität (32) angehalten werden, wenn der Wert der Raumtemperatur größer ist als ein Wert, der durch Addieren der voreingestellten zweiten Temperatur zu der gewünschten Temperastur erhalten wird, zum ersten Schritt zurückkehrt;
    - einen dritten Schritt, wobei der erste und der zweite Schritt wiederholt so viele Male durchgeführt werden wie ein voreingestellte Anzahl von Malen;
    - einen vierten Schritt, wobei nur der Kompressor mit kleiner Kapazität (31) kontrolliert wird, um eine Beziehung von (gewünschter Temperatur - voreingestellter zweiter Temperatur) zu erfüllen;
    - einen fünften Schritt, wobei wenn der Wert der Raumtemperatur größer ist als ein Wert, der durch Addieren einer voreingestellten dritten Temperatur zu der gewünschten Temperatur erhalten wird, das Ventil (28) für eine bestimmte Zeit betrieben und dann angehalten wird; und
    - eine sechsten Schritt, wobei der Kompressor mit großer Kapazität (32) betätigt wird,
    wobei die voreingestellte dritte Temperatur größer ist als die voreingestellten ersten und zweiten Temperaturen.
  7. Verfahren nach Anspruch 6, wobei der vierte Schritt folgendes umfasst:
    einen Schritt, wobei nachdem der Kompressor mit kleiner Kapazität (31) betätigt wird, wenn der Wert der Raumtemperatur, der durch den betätigten Kompressor mit kleiner Kapazität (31) und den Kompressor mit großer Kapazität (32) variiert wird, kleiner ist als der Wert, der durch Subtraktion der voreingestellten ersten Temperatur von der gewünschten ersten Temperatur erhalten wird, der Kompressor mit kleiner Kapazität angehalten wird; und
    einen Schritt, bei angehaltenem Kompressor mit kleiner Kapazität, wenn der Wert der Raumtemperatur größer ist als der Wert, der durch Addieren der voreingestellten zweiten Temperatur zu der gewünschten Temperatur erhalten wird, der Kompressor mit kleiner Kapazität betätigt wird.
  8. Verfahren nach Anspruch 6 oder 7, wobei die bestimmte Zeit 1 Minute und 30 Sekunden ist.
  9. Verfahren nach einem der Ansprüche 6-8, wobei die voreingestellten ersten und zweiten Tempersturen 0,5 °C sind.
  10. Verfahren nach einen der Ansprüche 6-9, wobei die voreingestellte Anzahl zwei Mal ist.
EP05101673.1A 2004-08-20 2005-03-04 Klimaanlage und Verfahren zu deren Betrieb Ceased EP1632738B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040066061A KR100608683B1 (ko) 2004-08-20 2004-08-20 공기조화기 및 그의 절전운전방법

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EP1632738A2 EP1632738A2 (de) 2006-03-08
EP1632738A3 EP1632738A3 (de) 2012-05-23
EP1632738B1 true EP1632738B1 (de) 2013-06-19

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EP05101673.1A Ceased EP1632738B1 (de) 2004-08-20 2005-03-04 Klimaanlage und Verfahren zu deren Betrieb

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US (1) US20060037333A1 (de)
EP (1) EP1632738B1 (de)
KR (1) KR100608683B1 (de)
CN (1) CN100470157C (de)

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KR20040045090A (ko) * 2002-11-22 2004-06-01 엘지전자 주식회사 다수개의 압축기를 적용한 히트펌프 시스템의 압축기제어방법
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KR101116208B1 (ko) * 2004-05-17 2012-03-06 삼성전자주식회사 압축기의 제어 장치 및 방법

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CN100470157C (zh) 2009-03-18
EP1632738A2 (de) 2006-03-08
KR20060017399A (ko) 2006-02-23
EP1632738A3 (de) 2012-05-23
US20060037333A1 (en) 2006-02-23
KR100608683B1 (ko) 2006-08-08
CN1737439A (zh) 2006-02-22

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