EP3889515A4 - AIR CONDITIONER AND FLOW PATH SWITCHING VALVE - Google Patents

AIR CONDITIONER AND FLOW PATH SWITCHING VALVE Download PDF

Info

Publication number
EP3889515A4
EP3889515A4 EP19908011.0A EP19908011A EP3889515A4 EP 3889515 A4 EP3889515 A4 EP 3889515A4 EP 19908011 A EP19908011 A EP 19908011A EP 3889515 A4 EP3889515 A4 EP 3889515A4
Authority
EP
European Patent Office
Prior art keywords
flow path
air conditioner
switching valve
path switching
valve
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.)
Pending
Application number
EP19908011.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3889515A1 (en
Inventor
Shigetaka Wakisaka
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 EP3889515A1 publication Critical patent/EP3889515A1/en
Publication of EP3889515A4 publication Critical patent/EP3889515A4/en
Pending legal-status Critical Current

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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • 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
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
    • 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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump 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
    • 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
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • 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
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • 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
    • F25B49/005—Arrangement or mounting of control or safety devices of safety devices
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • 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
    • F25B2313/005—Outdoor unit 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/006—Compression machines, plants or systems with reversible cycle not otherwise provided for two pipes connecting the outdoor side to the indoor side with 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
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
    • 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
    • F25B2313/029—Control issues
    • F25B2313/0292—Control issues related to reversing 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
    • F25B2500/00—Problems to be solved
    • F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
    • F25B2500/222—Detecting refrigerant leaks
    • 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
    • F25B2600/2515—Flow valves

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)
  • Multiple-Way Valves (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
EP19908011.0A 2019-01-02 2019-11-22 AIR CONDITIONER AND FLOW PATH SWITCHING VALVE Pending EP3889515A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019008841A JP7412887B2 (ja) 2019-01-02 2019-01-02 空気調和機及び流路切換弁
PCT/JP2019/045808 WO2020141582A1 (ja) 2019-01-02 2019-11-22 空気調和機及び流路切換弁

Publications (2)

Publication Number Publication Date
EP3889515A1 EP3889515A1 (en) 2021-10-06
EP3889515A4 true EP3889515A4 (en) 2022-02-16

Family

ID=71407188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19908011.0A Pending EP3889515A4 (en) 2019-01-02 2019-11-22 AIR CONDITIONER AND FLOW PATH SWITCHING VALVE

Country Status (5)

Country Link
US (1) US20210318041A1 (zh)
EP (1) EP3889515A4 (zh)
JP (1) JP7412887B2 (zh)
CN (1) CN113227663B (zh)
WO (1) WO2020141582A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102438931B1 (ko) * 2020-12-11 2022-08-31 엘지전자 주식회사 공기조화기 및 그 제어방법
BE1030293B1 (nl) * 2022-02-23 2023-09-18 Daikin Europe Nv Airconditioningsysteem en werkwijze voor het tot stand brengen van een besturingslogica voor de bediening van de afsluitklep

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130014525A1 (en) * 2010-05-12 2013-01-17 Mitsubishi Electric Corporation Switching device and air-conditioning apparatus
EP2728280A1 (en) * 2012-11-02 2014-05-07 LG Electronics, Inc. Air conditioner and control method thereof
EP3315880A1 (en) * 2015-06-26 2018-05-02 Daikin Industries, Ltd. Air conditioning system
JP2018112350A (ja) * 2017-01-11 2018-07-19 ダイキン工業株式会社 空気調和装置及び室内ユニット

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Publication number Priority date Publication date Assignee Title
JPS62141469A (ja) * 1985-12-14 1987-06-24 ダイキン工業株式会社 ヒ−トポンプ式空気調和機
JP3060770B2 (ja) * 1993-02-26 2000-07-10 ダイキン工業株式会社 冷凍装置
JPH09264641A (ja) * 1996-03-29 1997-10-07 Matsushita Electric Ind Co Ltd 冷凍サイクル装置
JPH11182895A (ja) * 1997-12-17 1999-07-06 Mitsubishi Electric Corp 空気調和機
JP3530370B2 (ja) * 1998-01-20 2004-05-24 株式会社鷺宮製作所 冷暖房ユニットの駆動用電力供給方法及びその装置
JP4265868B2 (ja) * 2000-12-11 2009-05-20 東芝キヤリア株式会社 空気調和機
JP4141676B2 (ja) 2001-11-06 2008-08-27 三菱電機株式会社 蓄熱式空気調和装置およびその冷媒回収方法
KR20040073565A (ko) * 2002-01-15 2004-08-19 가부시끼가이샤 도시바 냉매누출을 알리는 알림장치를 구비한 냉장고
JP2003227664A (ja) 2002-02-05 2003-08-15 Mitsubishi Electric Corp 空気調和機および空気調和機の運転方法
JP2007163011A (ja) * 2005-12-13 2007-06-28 Daikin Ind Ltd 冷凍装置
JP5211894B2 (ja) * 2008-06-27 2013-06-12 ダイキン工業株式会社 空気調和機
CN102667276B (zh) * 2009-10-22 2014-03-12 大金工业株式会社 空调机
JP5517789B2 (ja) 2010-07-02 2014-06-11 日立アプライアンス株式会社 空気調和機
WO2012008148A1 (ja) * 2010-07-13 2012-01-19 ダイキン工業株式会社 冷媒流路切換ユニット
JP2012127519A (ja) * 2010-12-13 2012-07-05 Panasonic Corp 空気調和機
CN102213463B (zh) * 2011-05-26 2013-11-06 广东美的电器股份有限公司 使用可燃冷媒的空调器及其控制方法
KR101678324B1 (ko) * 2012-08-27 2016-11-21 다이킨 고교 가부시키가이샤 냉동장치
WO2014083678A1 (ja) * 2012-11-30 2014-06-05 三菱電機株式会社 空気調和装置
JP6285172B2 (ja) * 2013-12-19 2018-02-28 日立ジョンソンコントロールズ空調株式会社 空気調和機の室外機
JP6262560B2 (ja) 2014-02-18 2018-01-17 株式会社Ｎｔｔファシリティーズ 空気調和装置および空気調和装置の制御方法
JP6252332B2 (ja) * 2014-04-18 2017-12-27 ダイキン工業株式会社 冷凍装置
CN109790992B (zh) * 2016-09-30 2023-06-30 三菱电机株式会社 室内机及空气调节机
WO2019146070A1 (ja) * 2018-01-26 2019-08-01 三菱電機株式会社 冷凍サイクル装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130014525A1 (en) * 2010-05-12 2013-01-17 Mitsubishi Electric Corporation Switching device and air-conditioning apparatus
EP2728280A1 (en) * 2012-11-02 2014-05-07 LG Electronics, Inc. Air conditioner and control method thereof
EP3315880A1 (en) * 2015-06-26 2018-05-02 Daikin Industries, Ltd. Air conditioning system
JP2018112350A (ja) * 2017-01-11 2018-07-19 ダイキン工業株式会社 空気調和装置及び室内ユニット

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020141582A1 *

Also Published As

Publication number Publication date
JP2020109342A (ja) 2020-07-16
CN113227663A (zh) 2021-08-06
EP3889515A1 (en) 2021-10-06
JP7412887B2 (ja) 2024-01-15
US20210318041A1 (en) 2021-10-14
WO2020141582A1 (ja) 2020-07-09
CN113227663B (zh) 2023-05-23

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