EP3943842A4 - Refrigerant cycle system - Google Patents

Refrigerant cycle system Download PDF

Info

Publication number
EP3943842A4
EP3943842A4 EP20774020.0A EP20774020A EP3943842A4 EP 3943842 A4 EP3943842 A4 EP 3943842A4 EP 20774020 A EP20774020 A EP 20774020A EP 3943842 A4 EP3943842 A4 EP 3943842A4
Authority
EP
European Patent Office
Prior art keywords
cycle system
refrigerant cycle
refrigerant
cycle
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.)
Granted
Application number
EP20774020.0A
Other languages
German (de)
French (fr)
Other versions
EP3943842A1 (en
EP3943842B1 (en
Inventor
Shin Higashiyama
Kensuke URATA
Hiroshi Dohmae
Kazuhiro Nakayama
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP3943842A1 publication Critical patent/EP3943842A1/en
Publication of EP3943842A4 publication Critical patent/EP3943842A4/en
Application granted granted Critical
Publication of EP3943842B1 publication Critical patent/EP3943842B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F24F11/88—Electrical aspects, e.g. circuits
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/04—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in series
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line 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
    • 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
    • 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
    • F25B6/00—Compression machines, plants or systems, with several condenser circuits
    • F25B6/04—Compression machines, plants or systems, with several condenser circuits arranged in series
    • 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
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves
    • 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
    • F25B2700/15—Power, e.g. by voltage or current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Conditioning Control Device (AREA)
  • Saccharide Compounds (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
EP20774020.0A 2019-03-19 2020-03-12 Refrigerant cycle system Active EP3943842B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019051178A JP7008658B2 (en) 2019-03-19 2019-03-19 Refrigerant cycle system
PCT/JP2020/010923 WO2020189527A1 (en) 2019-03-19 2020-03-12 Refrigerant cycle system

Publications (3)

Publication Number Publication Date
EP3943842A1 EP3943842A1 (en) 2022-01-26
EP3943842A4 true EP3943842A4 (en) 2022-04-20
EP3943842B1 EP3943842B1 (en) 2023-10-18

Family

ID=72521007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20774020.0A Active EP3943842B1 (en) 2019-03-19 2020-03-12 Refrigerant cycle system

Country Status (7)

Country Link
US (1) US20220163240A1 (en)
EP (1) EP3943842B1 (en)
JP (1) JP7008658B2 (en)
CN (1) CN113574335B (en)
AU (1) AU2020240873B2 (en)
ES (1) ES2967040T3 (en)
WO (1) WO2020189527A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005121333A (en) * 2003-10-20 2005-05-12 Hitachi Ltd Air conditioner
KR20060059619A (en) * 2004-11-29 2006-06-02 엘지전자 주식회사 Multi-air conditioner for simultaneously heating and cooling to supplying emergency power resources
KR20100092192A (en) * 2009-02-12 2010-08-20 엘지전자 주식회사 Air conditioner and controlling method thereof
WO2018055770A1 (en) * 2016-09-26 2018-03-29 東芝キヤリア株式会社 Air conditioning device
EP3382294A1 (en) * 2015-11-27 2018-10-03 Toshiba Carrier Corporation Air conditioning system and indoor unit used in same

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237966A (en) * 1979-01-24 1980-12-09 Tomlinson Joe W Energy conserving heating and air conditioning system
JP2001182992A (en) * 1999-12-22 2001-07-06 Matsushita Refrig Co Ltd Controller for air conditioner
JP2008249264A (en) 2007-03-30 2008-10-16 Osaka Gas Co Ltd Air conditioner
US9097448B2 (en) * 2009-10-12 2015-08-04 Lg Electronics Inc. Air conditioning system and method for controlling operation thereof
JP6109296B2 (en) * 2013-03-19 2017-04-05 三菱電機株式会社 Power converter and refrigeration air conditioner
JP5984732B2 (en) * 2013-04-09 2016-09-06 三菱電機株式会社 Air conditioner
US20230118671A1 (en) * 2013-09-25 2023-04-20 Gree Electric Appliances, Inc. Of Zhuhai Photovoltaic air conditioning system
CN104848468B (en) * 2014-02-18 2018-03-06 珠海格力电器股份有限公司 Energy processing method and system of multi-source power supply air conditioning system
JP2016109363A (en) 2014-12-08 2016-06-20 三菱電機株式会社 Air conditioner
CN106403142B (en) * 2015-07-31 2019-05-24 青岛海尔空调电子有限公司 Multi-online air-conditioning system indoor unit abnormal power-down guard method
EP3176516B1 (en) * 2015-12-01 2018-03-21 Toshiba Carrier Corporation Air-conditioning apparatus
CN106504459A (en) * 2016-10-31 2017-03-15 国网山东省电力公司济南供电公司 A kind of unmanned communications equipment room fire early-warning system
EP3798527A4 (en) * 2018-05-21 2021-05-26 Mitsubishi Electric Corporation Air conditioner and packaging set for air conditioner
JP7477738B2 (en) * 2019-03-19 2024-05-02 ダイキン工業株式会社 Refrigeration Cycle Equipment
CN111174391A (en) * 2020-03-12 2020-05-19 珠海格力电器股份有限公司 Emergency power supply protection device for indoor unit of multi-split system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005121333A (en) * 2003-10-20 2005-05-12 Hitachi Ltd Air conditioner
KR20060059619A (en) * 2004-11-29 2006-06-02 엘지전자 주식회사 Multi-air conditioner for simultaneously heating and cooling to supplying emergency power resources
KR20100092192A (en) * 2009-02-12 2010-08-20 엘지전자 주식회사 Air conditioner and controlling method thereof
EP3382294A1 (en) * 2015-11-27 2018-10-03 Toshiba Carrier Corporation Air conditioning system and indoor unit used in same
WO2018055770A1 (en) * 2016-09-26 2018-03-29 東芝キヤリア株式会社 Air conditioning device

Also Published As

Publication number Publication date
CN113574335B (en) 2023-07-07
US20220163240A1 (en) 2022-05-26
JP7008658B2 (en) 2022-01-25
EP3943842A1 (en) 2022-01-26
ES2967040T3 (en) 2024-04-25
EP3943842B1 (en) 2023-10-18
AU2020240873A1 (en) 2021-11-11
JP2020153551A (en) 2020-09-24
CN113574335A (en) 2021-10-29
WO2020189527A1 (en) 2020-09-24
AU2020240873B2 (en) 2023-04-06

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