EP2009369B1 - A heat pump air condition system, and the steam jet system and the control method thereof - Google Patents

A heat pump air condition system, and the steam jet system and the control method thereof Download PDF

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Publication number
EP2009369B1
EP2009369B1 EP07720698.5A EP07720698A EP2009369B1 EP 2009369 B1 EP2009369 B1 EP 2009369B1 EP 07720698 A EP07720698 A EP 07720698A EP 2009369 B1 EP2009369 B1 EP 2009369B1
Authority
EP
European Patent Office
Prior art keywords
gas inlet
compressor
gas
actual
jet
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.)
Active
Application number
EP07720698.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2009369A1 (en
EP2009369A4 (en
Inventor
Yuhai Su
Guiping Liu
Changquan Sun
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to PL07720698T priority Critical patent/PL2009369T3/pl
Publication of EP2009369A1 publication Critical patent/EP2009369A1/en
Publication of EP2009369A4 publication Critical patent/EP2009369A4/en
Application granted granted Critical
Publication of EP2009369B1 publication Critical patent/EP2009369B1/en
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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
    • F25B13/00—Compression machines, plants or systems, with reversible 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
    • 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
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • 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
    • F25B2400/13—Economisers
    • 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
    • F25B2500/19—Calculation of parameters
    • 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
    • F25B2500/31—Low ambient temperatures
    • 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
    • F25B2600/027—Compressor control by controlling pressure
    • F25B2600/0272—Compressor control by controlling pressure the suction pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1931—Discharge pressures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor

Definitions

  • the present invention relates to the field of air source heat pump air conditioner, more particularly, to a heat pump air conditioning system which has good heating effect in working condition of outdoor ultra low temperature, and to a control method thereof.
  • Document JP2004183913 A discloses an air conditioner with a heat pump cycle having an intercooler whereby in heating operation the refrigerant flowing out of said intercooler is divided into two branches, one flow passing back through said intercooler to an intermediate gas inlet of a compressor.
  • the present invention aims at solving problems in prior art by providing a heat pump air conditioning system which has good heating effect in working condition of outdoor ultra low temperature, and a control method thereof.
  • a set of cooling coil pipes may be connected between said liquid reservoir and said outdoor unit heat exchanger.
  • Said sensors may be pressure sensors or temperature sensors.
  • a control method of the above mentioned heat pump air conditioning system according to claim 1 comprises a control method of the compressor steam jet system which comprises the following steps:
  • Step 1 further comprises: detect the gas pressures at the first gas inlet, the second gas inlet and the gas outlet of the compressor, which is correspondingly represented as P lower , P jet and P upper , and calculate out the temperature T jet corresponding to P jet according to the relation between pressure and temperature;
  • Step 3 further comprises:
  • Step 1 further comprises: detect the gas temperatures at the first gas inlet, the second gas inlet and the gas outlet of the compressor, which is correspondingly represented as T lower , T jet and T upper , and calculate out the pressures P lower and P upper corresponding to Tiower and T upper according to the relation between pressure and temperature;
  • the Step 3 further comprises:
  • the present invention employs the steam jet system to jet intermediate pressure refrigerant steam to the compressor and controls the pressure at the jet mouth (that is the second gas inlet of the compressor) in order to keep the refrigerant jet amount to the compressor at the optimum value.
  • the present invention works as common heat pump air conditioning unit in cooling and heating operations; when the outdoor temperature greatly decreases and the heat output is reduced, the steam jet system in the system will work and jet intermediate pressure saturated refrigerant gas to the compressor, thereby double compression is enabled inside the compressor which increases the heat output and the energy efficiency ratio when the system is working under low temperature outdoor, and the defrosting frequency and defrosting time are greatly decreased.
  • FIG. 1 is a schematic view illustrating the principle of the heat pump air conditioning system according to the first embodiment of the present invention, wherein the solid lines with arrowheads represent the flow direction of the refrigerant when the heat pump air conditioning system is in heating operation.
  • the heat pump air conditioning system comprises an indoor throttle device 20, an indoor unit heat exchanger 19, a four-way valve 13, an outdoor unit heat exchanger 14, an outdoor throttle device 15, a set of cooling coil pipes 16 and a liquid reservoir 17, wherein these components are connected in series by means of copper pipes to form a cooling and heating loop.
  • the outdoor throttle device 15 consists of a check valve and an electronic expansion valve which are connected in parallel.
  • Said heat pump air conditioning system further comprises a compressor steam jet system
  • said compressor steam jet system comprises a compressor 11 which comprises a first gas inlet 111, a second gas inlet 112 and a gas outlet 113, said gas outlet 113 is connected with said four-way valve 13, said first gas inlet 111 is connected with said four-way valve 13 through a gas-liquid separator, and said second gas inlet 112 is connected to between said indoor throttle device 20 and said liquid reservoir 17 by means of the bypass pipe on which an electronic expansion valve 21 is disposed, that is to connect with the outflow end of the indoor throttle device 20.
  • An absorption coil pipe 18 is disposed on said bypass pipe, and the absorption coil pipe 18 is disposed inside the liquid reservoir 17, so that the refrigerant which is supplemented to the second gas inlet of the compressor is able to make sufficient heat exchange in the liquid reservoir 17 which ensures all the supplementaries in the compressor is gas without any liquid, thereby the compressor is ensured with good reliability.
  • the compressor 11 can be an Enhanced Vapor Injection digital scroll compressor
  • the indoor throttle device 20 can be an electronic expansion valve.
  • the heat pump air conditioning system further comprises a steam jet control device, and said steam jet control device comprises three sensors and said electronic expansion valve 21.
  • the three sensors are respectively a low pressure sensor 201, a high pressure sensor 202 and a jet pressure sensor 203.
  • the high pressure sensor 202 is disposed at the gas outlet 113 of the compressor 11
  • the low pressure sensor 201 is disposed at the first gas inlet 111 of the compressor 11
  • the jet pressure sensor 203 is disposed at the second gas inlet 112 of the compressor 11
  • the electronic expansion valve 21 is disposed on said bypass pipe.
  • the refrigerant flowing out of the indoor unit heat exchanger 19 is divided into two branches; one flow of refrigerant passes the electronic expansion valve 21 which is disposed on said bypass pipe and the coil pipe 18 which is disposed inside the liquid reservoir 17, and then is absorbed into the second gas inlet 112 of the compressor 11; the other flow of refrigerant goes directly into the liquid reservoir and passes the cooling coil pipe 16 of the outdoor unit and the auxiliary throttle device 15 then into the outdoor unit heat exchanger 14.
  • the working principle of the steam jet control device is that: the pressures of gas in and out of the compressor is detected by sensors which are disposed at the gas inlets and gas outlet of the compressor, then according to the changes of pressure of gas in and out of the compressor to control the opening degree of the second gas inlet so as to control the steam jet amount, which comprises the following steps:
  • the opening degree of the second gas inlet is controlled by adjusting the opening degree of the electronic expansion valve 21.
  • the low-temperature and low-pressure refrigerant gas (state point 1) steamed from the outdoor unit heat exchanger 14 is compressed by the compressor 11 to reach the state point 2 of the intermediate pressure and then mixed in the scroll coil of the compressor 11 to the state point 10 with the intermediate pressure gas (state point 9) which is absorbed from the second gas inlet 112 of compressor, then continuously compressed by the compressor 11 to be the high-temperature and high-pressure gas (state point 3);
  • the high-temperature and high-pressure refrigerant gas in the indoor unit heat exchanger 19 is cooled and condensed to be high-temperature and high-pressure refrigerant liquid (state point 4), then the high pressure liquid is throttled and pressure-reduced to be gas liquid mixture (state point 5) by the indoor throttle device 20 such as the electronic expansion valve; at this time, the refrigerant is flowing into two branches, one flow of refrigerant passes the electronic expansion
  • the working principle of the whole heat pump air conditioning system is that: in normal working condition, the present invention works as common heat pump air conditioning unit in cooling and heating operations; when the outdoor temperature decreases and the heat output is reduced, the steam jet control device in the system will work and jet intermediate pressure saturated refrigerant gas to the compressor, thereby double compression is enabled inside the compressor which increases the heat output and the energy efficiency ratio when the system is working under low temperature outdoor.
  • the compress ratio of the compressor and the gas exhaust temperature of the system are within logical range, and the system is proved to be operated with good stability and reliability from a large number of experiments; the system employs intelligent defrosting mode to make the system to run or not run defrosting by high-pressure control, which enables "defrosting when needed, stop defrosting when no needed”.
  • the second embodiment is different from the first embodiment in that the sensors in the steam jet control device according to the second embodiment are temperature sensors, the working principle of the steam jet control device with temperature sensors is that: the temperatures of gas in and out of the compressor is detected by sensors which are disposed at the gas inlets and gas outlet of the compressor, then according to the changes of temperature of gas in and out of the compressor to control the opening degree of the second gas inlet so as to control the steam jet amount.
  • the opening degree of the second gas inlet is controlled by adjusting the opening degree of the electronic expansion valve 21, which comprises the following steps:
  • the system of Figure 3 which is not part of the present invention is different from the first embodiment in that no cooling coil pipe 16 and liquid reservoir 17 are disposed in the heat pump system according to the third embodiment, and no coil pipe 18 is disposed on the bypass pipe either. Besides, said bypass pipe can be directly led out of the outlet of the indoor unit heat exchanger.
EP07720698.5A 2006-04-11 2007-04-06 A heat pump air condition system, and the steam jet system and the control method thereof Active EP2009369B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07720698T PL2009369T3 (pl) 2006-04-11 2007-04-06 Układ klimatyzacji pompy ciepła, oraz układ strumienia pary oraz sposób ich sterowania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2006100349431A CN100386580C (zh) 2006-04-11 2006-04-11 一种热泵空调系统及其蒸气喷射控制装置和控制方法
PCT/CN2007/001125 WO2007115494A1 (fr) 2006-04-11 2007-04-06 Système de conditionnement d'air à pompe thermique, système frigorifique à éjection de vapeur et procédé de commande associé

Publications (3)

Publication Number Publication Date
EP2009369A1 EP2009369A1 (en) 2008-12-31
EP2009369A4 EP2009369A4 (en) 2016-11-23
EP2009369B1 true EP2009369B1 (en) 2018-10-31

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EP07720698.5A Active EP2009369B1 (en) 2006-04-11 2007-04-06 A heat pump air condition system, and the steam jet system and the control method thereof

Country Status (7)

Country Link
EP (1) EP2009369B1 (ru)
CN (1) CN100386580C (ru)
ES (1) ES2705478T3 (ru)
PL (1) PL2009369T3 (ru)
RU (1) RU2426956C2 (ru)
TR (1) TR201820044T4 (ru)
WO (1) WO2007115494A1 (ru)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101769659B (zh) * 2009-01-05 2011-08-31 珠海格力电器股份有限公司 热泵型空调系统
CN102466368B (zh) * 2010-11-03 2014-04-30 海尔集团公司 空调热水器及其控制方法
CN103090579B (zh) * 2011-10-31 2015-10-28 中国科学院理化技术研究所 电动汽车的空调热泵系统
WO2013136714A1 (ja) * 2012-03-14 2013-09-19 ダイキン工業株式会社 調湿装置
CN103307805B (zh) * 2013-06-14 2015-03-25 上海海立睿能环境技术有限公司 一种三联供热泵系统
CN103574842A (zh) * 2013-10-26 2014-02-12 宁波奥克斯空调有限公司 变频空调系统的控制方法
JP6242321B2 (ja) * 2014-10-03 2017-12-06 三菱電機株式会社 空気調和機
CN106482379A (zh) * 2016-10-25 2017-03-08 重庆美的通用制冷设备有限公司 空调及其制冷系统
CN107062463A (zh) * 2017-01-05 2017-08-18 宁波奥克斯电气股份有限公司 太阳能喷射制冷辅助空调机组及控制方法
CN106839095A (zh) * 2017-01-05 2017-06-13 宁波奥克斯电气股份有限公司 太阳能电热互补式空调热泵机组及控制方法
DE102017214941A1 (de) 2017-08-25 2019-02-28 Dometic Sweden Ab Freizeitfahrzeug, Kühlvorrichtung, Steuerungssystem und Verfahren zur Steuerung der Kühlvorrichtung
DE112018005002T5 (de) 2017-10-27 2020-07-16 Dometic Sweden Ab Systeme, verfahren und vorrichtungen zur bereitstellung von kommunikation zwischen klimasteuerungsvorrichtungen in einem wohnmobil
CN110953755A (zh) * 2019-10-31 2020-04-03 清华大学 可调温除湿的空调系统及其控制方法
WO2021112810A1 (ru) * 2019-12-05 2021-06-10 Валэрий Пэтрович ОСНАЧ Система отопления и охлаждения здания
CN113587479A (zh) * 2020-06-28 2021-11-02 李华玉 第二类单工质联合循环
CN113587480A (zh) * 2020-06-28 2021-11-02 李华玉 第二类单工质联合循环
WO2022007375A1 (zh) * 2020-07-10 2022-01-13 李华玉 第二类单工质联合循环
CN114151934B (zh) * 2021-12-07 2023-04-14 青岛海信日立空调系统有限公司 空调器

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5056329A (en) * 1990-06-25 1991-10-15 Battelle Memorial Institute Heat pump systems
JPH055564A (ja) * 1991-06-28 1993-01-14 Toshiba Corp 空気調和機
JP3080558B2 (ja) * 1995-02-03 2000-08-28 株式会社日立製作所 寒冷地向けヒートポンプ空調機
JPH0989389A (ja) * 1995-09-21 1997-04-04 Denso Corp 冷凍サイクル装置
JPH1089781A (ja) * 1996-09-20 1998-04-10 Hitachi Ltd 冷凍装置ユニット及び冷凍装置並びに冷凍装置の運転方法
JPH11237126A (ja) * 1998-02-20 1999-08-31 Hitachi Ltd Ｈｆｃ系冷媒対応冷凍装置
JP2001116373A (ja) * 1999-10-21 2001-04-27 Hitachi Ltd 空気調和機
JP3719364B2 (ja) * 1999-12-15 2005-11-24 三菱電機株式会社 冷凍サイクル
JP2001317820A (ja) * 2000-05-08 2001-11-16 Hitachi Ltd 冷凍サイクル装置
CN1133047C (zh) * 2001-03-14 2003-12-31 清华同方股份有限公司 一种适用于寒冷地区的热泵空调机组
JP2003106684A (ja) * 2001-09-28 2003-04-09 Matsushita Electric Ind Co Ltd 冷凍サイクルの制御方法
JP4069733B2 (ja) * 2002-11-29 2008-04-02 三菱電機株式会社 空気調和機
CN2615599Y (zh) * 2003-02-14 2004-05-12 清华同方人工环境有限公司 一种低温风冷热泵机组
US7299649B2 (en) * 2003-12-09 2007-11-27 Emerson Climate Technologies, Inc. Vapor injection system
CN1288401C (zh) * 2005-04-11 2006-12-06 北京工业大学 一种带喷射器和贮液过冷器的热泵或制冷系统
CN2896146Y (zh) * 2006-04-11 2007-05-02 珠海格力电器股份有限公司 一种热泵空调系统及其蒸气喷射控制装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2705478T3 (es) 2019-03-25
WO2007115494A1 (fr) 2007-10-18
TR201820044T4 (tr) 2019-02-21
RU2008143066A (ru) 2010-05-10
EP2009369A1 (en) 2008-12-31
PL2009369T3 (pl) 2019-05-31
EP2009369A4 (en) 2016-11-23
CN1828186A (zh) 2006-09-06
RU2426956C2 (ru) 2011-08-20
CN100386580C (zh) 2008-05-07

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