JP7412887B2 - 空気調和機及び流路切換弁 - Google Patents

空気調和機及び流路切換弁 Download PDF

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Publication number
JP7412887B2
JP7412887B2 JP2019008841A JP2019008841A JP7412887B2 JP 7412887 B2 JP7412887 B2 JP 7412887B2 JP 2019008841 A JP2019008841 A JP 2019008841A JP 2019008841 A JP2019008841 A JP 2019008841A JP 7412887 B2 JP7412887 B2 JP 7412887B2
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JP
Japan
Prior art keywords
flow path
port
refrigerant
switching valve
circuit
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
JP2019008841A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020109342A (ja
Inventor
重貴 脇坂
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
Priority to JP2019008841A priority Critical patent/JP7412887B2/ja
Priority to PCT/JP2019/045808 priority patent/WO2020141582A1/fr
Priority to EP19908011.0A priority patent/EP3889515A4/fr
Priority to CN201980087572.9A priority patent/CN113227663B/zh
Publication of JP2020109342A publication Critical patent/JP2020109342A/ja
Priority to US17/356,910 priority patent/US20210318041A1/en
Application granted granted Critical
Publication of JP7412887B2 publication Critical patent/JP7412887B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
  • Air Conditioning Control Device (AREA)
  • Multiple-Way Valves (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
JP2019008841A 2019-01-02 2019-01-02 空気調和機及び流路切換弁 Active JP7412887B2 (ja)

Priority Applications (5)

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 (fr) 2019-01-02 2019-11-22 Climatiseur et soupape de commutation de trajet d'écoulement
EP19908011.0A EP3889515A4 (fr) 2019-01-02 2019-11-22 Climatiseur et soupape de commutation de trajet d'écoulement
CN201980087572.9A CN113227663B (zh) 2019-01-02 2019-11-22 空调机以及流路切换阀
US17/356,910 US20210318041A1 (en) 2019-01-02 2021-06-24 Air conditioner and flow path switching valve

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JP2020109342A JP2020109342A (ja) 2020-07-16
JP7412887B2 true JP7412887B2 (ja) 2024-01-15

Family

ID=71407188

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019008841A Active JP7412887B2 (ja) 2019-01-02 2019-01-02 空気調和機及び流路切換弁

Country Status (5)

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

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
JP2003148817A (ja) 2001-11-06 2003-05-21 Mitsubishi Electric Corp 蓄熱式空気調和装置およびその冷媒回収方法
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
EP2728280A1 (fr) 2012-11-02 2014-05-07 LG Electronics, Inc. Climatiseur et son procédé de fonctionnement
JP2015152275A (ja) 2014-02-18 2015-08-24 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

Family Cites Families (23)

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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
US20050103029A1 (en) * 2002-01-15 2005-05-19 Keizou Kawahara Refrigerator having alarm device for alarming leakage of refrigerant
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
WO2011048724A1 (fr) * 2009-10-22 2011-04-28 ダイキン工業株式会社 Vanne de commutation de trajet d'écoulement, et climatiseur la comportant
WO2011141959A1 (fr) * 2010-05-12 2011-11-17 三菱電機株式会社 Appareil de commande et appareil de climatisation
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
JP2012037224A (ja) * 2010-07-13 2012-02-23 Daikin Industries Ltd 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
EP2905563B1 (fr) * 2012-08-27 2021-09-15 Daikin Industries, Ltd. Système de réfrigération
CN104781614B (zh) * 2012-11-30 2017-11-17 三菱电机株式会社 空气调节装置
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
JP6252332B2 (ja) * 2014-04-18 2017-12-27 ダイキン工業株式会社 冷凍装置
JP6604051B2 (ja) * 2015-06-26 2019-11-13 ダイキン工業株式会社 空気調和システム
EP3521716A4 (fr) * 2016-09-30 2019-10-16 Mitsubishi Electric Corporation Unité intérieure et climatiseur
JP7215819B2 (ja) * 2017-01-11 2023-01-31 ダイキン工業株式会社 空気調和装置及び室内ユニット
WO2019146070A1 (fr) * 2018-01-26 2019-08-01 三菱電機株式会社 Dispositif à cycle de réfrigération

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003148817A (ja) 2001-11-06 2003-05-21 Mitsubishi Electric Corp 蓄熱式空気調和装置およびその冷媒回収方法
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
EP2728280A1 (fr) 2012-11-02 2014-05-07 LG Electronics, Inc. Climatiseur et son procédé de fonctionnement
JP2015152275A (ja) 2014-02-18 2015-08-24 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

Also Published As

Publication number Publication date
EP3889515A1 (fr) 2021-10-06
US20210318041A1 (en) 2021-10-14
CN113227663A (zh) 2021-08-06
CN113227663B (zh) 2023-05-23
WO2020141582A1 (fr) 2020-07-09
JP2020109342A (ja) 2020-07-16
EP3889515A4 (fr) 2022-02-16

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