WO2015132843A1 - Climatiseur - Google Patents

Climatiseur Download PDF

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Publication number
WO2015132843A1
WO2015132843A1 PCT/JP2014/055215 JP2014055215W WO2015132843A1 WO 2015132843 A1 WO2015132843 A1 WO 2015132843A1 JP 2014055215 W JP2014055215 W JP 2014055215W WO 2015132843 A1 WO2015132843 A1 WO 2015132843A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor
pressure
air
suction pressure
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2014/055215
Other languages
English (en)
Japanese (ja)
Inventor
小谷 正直
禎夫 関谷
佐々木 重幸
久保田 淳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Global Life Solutions Inc
Original Assignee
Hitachi Appliances Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Appliances Inc filed Critical Hitachi Appliances Inc
Priority to PCT/JP2014/055215 priority Critical patent/WO2015132843A1/fr
Publication of WO2015132843A1 publication Critical patent/WO2015132843A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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 humidification; by dehumidification
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46Improving electric energy efficiency or saving
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/029Control issues
    • F25B2313/0293Control issues related to the indoor fan, e.g. controlling speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/029Control issues
    • F25B2313/0294Control issues related to the outdoor fan, e.g. controlling speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/11Fan speed control
    • F25B2600/111Fan speed control of condenser fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/11Fan speed control
    • F25B2600/112Fan speed control of evaporator fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19Pressures
    • F25B2700/193Pressures of the compressor
    • F25B2700/1931Discharge pressures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19Pressures
    • F25B2700/193Pressures of the compressor
    • F25B2700/1933Suction pressures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21Temperatures
    • F25B2700/2104Temperatures of an indoor room or compartment
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21Temperatures
    • F25B2700/2106Temperatures of fresh outdoor air
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present invention relates to an air conditioner.
  • the compressor of the air conditioner uses a differential pressure (Pd ⁇ Ps) (hereinafter simply referred to as “differential pressure”) between the suction pressure (Ps) and the discharge pressure (Pd) of the compressor to provide a bearing for the compressor. Supply refrigeration oil. For this reason, in order to ensure the reliability of the air conditioner, it is necessary to maintain this differential pressure (Pd ⁇ Ps).
  • Pd ⁇ Ps differential pressure
  • the air conditioning load when the air conditioning load is small, the temperature difference between the indoor heat exchanger temperature / the indoor air and the outdoor heat exchanger temperature / the outdoor air decreases, and the differential pressure also decreases.
  • the air conditioning load is small, if the rotational speed of the compressor is increased for the purpose of increasing the discharge pressure to maintain the differential pressure, the cooling operation or the heating operation is performed with an excess capacity to the load. In such a case, the thermo-off cycle becomes short, and the on / off of the compressor is unnecessarily repeated to deteriorate the energy saving performance.
  • Patent Document 1 is “an air conditioner equipped with an air-cooled condenser having a single or a plurality of blowers and a compressor of a type that performs oil supply using a pressure difference between discharge pressure and suction pressure; A pressure detection port is disposed in each of the discharge part and the suction part of the compressor, and the difference between the pressure detected by the discharge part during operation of the compressor and the pressure detected from the suction part approaches the lower limit value of the possible oil pressure difference.
  • a control method of an air conditioner characterized by having a function of stopping the rotation of a condenser blower in the following cases.
  • the smooth operation of the refrigeration cycle can be expected” by maintaining the differential pressure lower than the lower limit value of the refueling possible and preventing the shortage of the refueling amount.
  • the discharge pressure is increased by stopping the rotation of the condenser blower to increase the oil supply differential pressure of the compressor to secure the oil supply differential pressure lower limit value ⁇ P or more, but the suction pressure is not controlled. Therefore, the evaporation temperature of the evaporator rises with the increase of the suction pressure. When the evaporation temperature of the evaporator rises, the temperature difference between the temperature of the refrigerant flowing into the indoor unit and the dew point temperature of the room air becomes small, and the dehumidifying ability is lowered.
  • the present invention is an air conditioner capable of securing a differential pressure between the suction pressure and the discharge pressure of the compressor while suppressing the deterioration of the energy saving performance and the reduction of the dehumidifying capacity even when the air conditioning load is small.
  • the challenge is to provide
  • the air conditioner according to the present invention comprises a refrigeration cycle apparatus for circulating a refrigerant by sequentially connecting a compressor, a four-way valve for switching the flow direction of the refrigerant, an outdoor heat exchanger, a pressure reducing device, and an indoor heat exchanger;
  • Air conditioner load is estimated based on set temperature and indoor air temperature, indoor blower that ventilates air to heat exchanger, outdoor fan that ventilates air to outdoor heat exchanger, compressor based on air conditioning load and outdoor air temperature
  • the target discharge pressure of the compressor is calculated, and the target suction pressure of the compressor is calculated based on the differential pressure lower limit which is the lower limit value of the differential pressure between the discharge pressure of the compressor and the discharge pressure of the compressor and the suction pressure.
  • a controller for controlling the suction pressure of the target to be the target suction pressure.
  • the present invention even when the air conditioning load is small, it is possible to secure the differential pressure between the suction pressure and the discharge pressure of the compressor while suppressing the deterioration of the energy saving performance and the reduction of the dehumidifying capacity.
  • the air conditioner includes a compressor, a four-way valve for switching the flow direction of a refrigerant, an outdoor heat exchanger, a pressure reducing device, and an indoor heat exchanger, which are sequentially connected to circulate the refrigerant.
  • An indoor fan that vents air to the indoor heat exchanger, an outdoor fan ventilating air to the outdoor heat exchanger, and an air conditioning load is estimated based on the set temperature and the indoor air temperature, and compression is performed based on the air conditioning load and the outdoor air temperature.
  • the target discharge pressure of the compressor is calculated, and the target suction pressure of the compressor is calculated based on the differential pressure lower limit which is the lower limit value of the differential pressure between the compressor target discharge pressure and the compressor discharge pressure and suction pressure.
  • the air conditioning load is estimated based on the set temperature and the indoor air temperature
  • the target discharge pressure of the compressor is calculated based on the air conditioning load and the outdoor air temperature
  • the target discharge pressure of the compressor and the discharge pressure and suction pressure of the compressor The target suction pressure of the compressor is calculated based on the differential pressure lower limit value which is the lower limit value of the differential pressure
  • the suction pressure of the compressor is controlled to be the target suction pressure.
  • the differential pressure between the suction pressure and the discharge pressure of the compressor can be secured, and in particular, at this time, the suction pressure of the compressor is controlled to be the target suction pressure.
  • a control circuit capable of closing and opening a part of the indoor heat exchanger is provided, and when the target suction pressure of the compressor becomes smaller than a predetermined value, the heat transfer area of the indoor heat exchanger is controlled by closing the control circuit. It may be configured to
  • FIG. 1 is a system diagram of the air conditioner of the present embodiment.
  • the refrigerant flows through the compressor 1, the four-way valve 2 for switching the flow direction of the refrigerant, the outdoor heat exchanger 3, the pressure reducing device 4, and the indoor heat exchanger 5.
  • the indoor unit and the outdoor unit are respectively provided with an outdoor fan 6 and an indoor fan 7 for ventilating the air to the indoor and outdoor heat exchangers.
  • pressure detection means 8 and 9 for detecting the suction pressure and the discharge pressure are provided in the suction portion and the discharge portion of the compressor, respectively.
  • the indoor unit comprises an indoor air temperature detection means 10.
  • the outdoor unit includes an outdoor air temperature detection means 12.
  • the user can change the operation mode of the air conditioner with the remote control 11 to set the indoor air conditioning temperature.
  • the indoor heat exchanger 5 includes a control circuit 13, which is controlled by a control valve 14.
  • the control of the differential pressure and the control of the control circuit are controlled by the controller 15.
  • the control circuit 13 is configured as part of the flow path of the indoor heat exchanger. Therefore, since the indoor air passing through the indoor heat exchanger 5 does not bypass the indoor heat exchanger, the heat transfer performance of the indoor heat exchanger 5 can be exhibited in the normal operation.
  • FIG. 2 shows a control flow of the air conditioner in the present embodiment.
  • Estimate the target suction pressure (PsG) F4 (Qa, Tao, Tset)) from the estimated target compressor discharge pressure (PdG) and the compressor oil supply differential pressure lower limit ( ⁇ Po) (Step 2).
  • suction pressure (Ps) and the discharge pressure (Pd) are detected by the suction pressure detecting means 8 and the discharge pressure detecting means 9, and the detected suction pressure (Ps) and the discharge pressure (Pd) have predetermined pressures (PdG, PsG). Is not satisfied, the number of rotations (Nfi, Nfo) of the outdoor blower 6 and the outdoor blower 7 is changed (Step 4).
  • Qa heat passing rate
  • A heat transfer area
  • ⁇ T temperature difference between air and refrigerant
  • Qa GaC (Tai-TaiD) (Ga: indoor unit air flow, C: specific heat of air, TaiD: air temperature blown out from the indoor unit).
  • the air conditioner of the present embodiment can control the discharge pressure (Pd) and the suction pressure (Ps) according to the outdoor temperature (Tao) and the air conditioning load (Qa). For this reason, it is possible to secure a differential pressure equal to or higher than the differential pressure lower limit value ( ⁇ Po). Furthermore, since the means for controlling the evaporation temperature (Te) is provided, the necessary amount of dehumidification can be secured even when performing a cooling operation with a low air conditioning load at a low outside air temperature.

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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)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention concerne un climatiseur configuré de sorte que, même si une charge de climatisation est petite, la différence entre la pression d'aspiration et la pression de refoulement d'un compresseur peut être assurée alors que la dégradation de l'efficacité d'économie d'énergie et la réduction de la capacité de déshumidification sont empêchées. Le climatiseur selon l'invention est pourvu : d'un dispositif à cycle de réfrigération formé en reliant séquentiellement un compresseur, une soupape à quatre voies qui sélectionne la direction d'écoulement d'un fluide frigorigène, un échangeur de chaleur extérieur, un dispositif de réduction de pression et un échangeur de chaleur intérieur, le dispositif à cycle de réfrigération permettant à un fluide frigorigène de circuler à travers celui-ci; d'une soufflante intérieure amenant l'air à s'écouler à travers l'échangeur de chaleur intérieur ; d'une soufflante extérieure amenant l'air à s'écouler à travers l'échangeur de chaleur extérieur ; d'un dispositif de commande qui estime une charge de climatisation sur la base d'une température définie et d'une température d'air intérieur, calcule une pression de refoulement cible du compresseur sur la base à la fois de la charge de climatisation et d'une température d'air extérieur, calcule une pression d'aspiration cible du compresseur sur la base à la fois de la pression de refoulement cible du compresseur et d'une valeur limite inférieure de pression différentielle qui est la valeur limite inférieure de la différence entre la pression de refoulement et la pression d'aspiration du compresseur, et effectue une commande de sorte que la pression d'aspiration du compresseur correspond à la pression d'aspiration cible.
PCT/JP2014/055215 2014-03-03 2014-03-03 Climatiseur Ceased WO2015132843A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/055215 WO2015132843A1 (fr) 2014-03-03 2014-03-03 Climatiseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/055215 WO2015132843A1 (fr) 2014-03-03 2014-03-03 Climatiseur

Publications (1)

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WO2015132843A1 true WO2015132843A1 (fr) 2015-09-11

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105864939A (zh) * 2016-03-08 2016-08-17 珠海格力电器股份有限公司 一种空调系统、以及除湿控制方法和系统
CN107305074A (zh) * 2016-04-18 2017-10-31 青岛海尔空调电子有限公司 一种温湿度独立控制空调系统
CN108344115A (zh) * 2018-02-07 2018-07-31 广东美的暖通设备有限公司 风冷机组的控制方法、风冷机组及存储介质
EP3482492A4 (fr) * 2016-07-07 2020-03-18 Rocky Research Entraînement vectoriel pour systèmes de compression de vapeur
CN113418245A (zh) * 2021-03-22 2021-09-21 青岛海尔空调电子有限公司 用于除湿的系统及方法、装置
CN113531862A (zh) * 2021-06-30 2021-10-22 苏州英维克温控技术有限公司 变频氟泵空调控制方法、装置、电子设备和介质
CN114353198A (zh) * 2021-12-15 2022-04-15 广州万居隆电器有限公司 一种带调温型新风除湿机的除湿系统及其控制方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10311615A (ja) * 1997-05-09 1998-11-24 Tabai Espec Corp 冷媒切換式冷凍機及びこれを用いた環境試験装置
JP2004353916A (ja) * 2003-05-28 2004-12-16 Takasago Thermal Eng Co Ltd 温度制御方法及び空調機
JP2006046675A (ja) * 2004-07-30 2006-02-16 Sanrei Facilities Kk 食材の凍結方法及び凍結庫
US20060288716A1 (en) * 2005-06-23 2006-12-28 York International Corporation Method for refrigerant pressure control in refrigeration systems
JP2007303818A (ja) * 2001-04-20 2007-11-22 York Internatl Corp 冷却システムにおける凝縮器からの熱の除去を制御する方法及び装置
JP2010169286A (ja) * 2009-01-20 2010-08-05 Hitachi Appliances Inc 冷凍装置
JP2013087973A (ja) * 2011-10-13 2013-05-13 Mitsubishi Electric Corp 空気調和機

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10311615A (ja) * 1997-05-09 1998-11-24 Tabai Espec Corp 冷媒切換式冷凍機及びこれを用いた環境試験装置
JP2007303818A (ja) * 2001-04-20 2007-11-22 York Internatl Corp 冷却システムにおける凝縮器からの熱の除去を制御する方法及び装置
JP2004353916A (ja) * 2003-05-28 2004-12-16 Takasago Thermal Eng Co Ltd 温度制御方法及び空調機
JP2006046675A (ja) * 2004-07-30 2006-02-16 Sanrei Facilities Kk 食材の凍結方法及び凍結庫
US20060288716A1 (en) * 2005-06-23 2006-12-28 York International Corporation Method for refrigerant pressure control in refrigeration systems
JP2010169286A (ja) * 2009-01-20 2010-08-05 Hitachi Appliances Inc 冷凍装置
JP2013087973A (ja) * 2011-10-13 2013-05-13 Mitsubishi Electric Corp 空気調和機

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105864939A (zh) * 2016-03-08 2016-08-17 珠海格力电器股份有限公司 一种空调系统、以及除湿控制方法和系统
CN105864939B (zh) * 2016-03-08 2019-01-15 珠海格力电器股份有限公司 一种空调系统、以及除湿控制方法和系统
CN107305074A (zh) * 2016-04-18 2017-10-31 青岛海尔空调电子有限公司 一种温湿度独立控制空调系统
EP3482492A4 (fr) * 2016-07-07 2020-03-18 Rocky Research Entraînement vectoriel pour systèmes de compression de vapeur
US11639819B2 (en) 2016-07-07 2023-05-02 Rocky Research Vector drive for vapor compression systems
CN108344115A (zh) * 2018-02-07 2018-07-31 广东美的暖通设备有限公司 风冷机组的控制方法、风冷机组及存储介质
CN108344115B (zh) * 2018-02-07 2020-10-20 广东美的暖通设备有限公司 风冷机组的控制方法、风冷机组及存储介质
CN113418245A (zh) * 2021-03-22 2021-09-21 青岛海尔空调电子有限公司 用于除湿的系统及方法、装置
CN113531862A (zh) * 2021-06-30 2021-10-22 苏州英维克温控技术有限公司 变频氟泵空调控制方法、装置、电子设备和介质
CN114353198A (zh) * 2021-12-15 2022-04-15 广州万居隆电器有限公司 一种带调温型新风除湿机的除湿系统及其控制方法

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