EP4382829A8 - Dispositif à cycle frigorifique - Google Patents

Dispositif à cycle frigorifique Download PDF

Info

Publication number
EP4382829A8
EP4382829A8 EP22853035.8A EP22853035A EP4382829A8 EP 4382829 A8 EP4382829 A8 EP 4382829A8 EP 22853035 A EP22853035 A EP 22853035A EP 4382829 A8 EP4382829 A8 EP 4382829A8
Authority
EP
European Patent Office
Prior art keywords
refrigerant
value
flow rate
rate adjustment
adjustment units
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
EP22853035.8A
Other languages
German (de)
English (en)
Other versions
EP4382829A4 (fr
EP4382829A1 (fr
Inventor
Takashi Maeda
Ryuhei Kaji
Tomoki HIROKAWA
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 EP4382829A1 publication Critical patent/EP4382829A1/fr
Publication of EP4382829A8 publication Critical patent/EP4382829A8/fr
Publication of EP4382829A4 publication Critical patent/EP4382829A4/fr
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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • 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
    • F25B1/00—Compression machines, plants or systems with non-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
    • 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
    • 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
    • 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
    • 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
    • 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
    • F25B6/00—Compression machines, plants or systems, with several condenser circuits
    • F25B6/02—Compression machines, plants or systems, with several condenser circuits 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
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • 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
    • F25B2600/11—Fan speed control
    • 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
    • F25B2600/2511—Evaporator distribution 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2515—Flow valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
EP22853035.8A 2021-08-05 2022-08-02 Dispositif à cycle frigorifique Pending EP4382829A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021129044A JP7759207B2 (ja) 2021-08-05 2021-08-05 冷凍サイクル装置
PCT/JP2022/029573 WO2023013616A1 (fr) 2021-08-05 2022-08-02 Dispositif à cycle frigorifique

Publications (3)

Publication Number Publication Date
EP4382829A1 EP4382829A1 (fr) 2024-06-12
EP4382829A8 true EP4382829A8 (fr) 2024-07-24
EP4382829A4 EP4382829A4 (fr) 2024-11-13

Family

ID=85155672

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22853035.8A Pending EP4382829A4 (fr) 2021-08-05 2022-08-02 Dispositif à cycle frigorifique

Country Status (5)

Country Link
US (1) US20240175613A1 (fr)
EP (1) EP4382829A4 (fr)
JP (1) JP7759207B2 (fr)
CN (1) CN117716184A (fr)
WO (1) WO2023013616A1 (fr)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07229655A (ja) * 1994-02-17 1995-08-29 Sanyo Electric Co Ltd 蒸気圧縮式冷凍機の冷媒流量制御装置
JP3936757B2 (ja) * 1996-07-24 2007-06-27 東プレ株式会社 空気調和装置
JP2000018766A (ja) * 1998-06-25 2000-01-18 Topre Corp 空気調和装置
JP2007232265A (ja) * 2006-02-28 2007-09-13 Daikin Ind Ltd 冷凍装置
JP4776511B2 (ja) * 2006-11-24 2011-09-21 日立アプライアンス株式会社 冷凍装置
JP2010107181A (ja) * 2008-02-06 2010-05-13 Daikin Ind Ltd 冷凍装置
WO2009098900A1 (fr) * 2008-02-06 2009-08-13 Daikin Industries, Ltd. Système de réfrigération
JP5173857B2 (ja) * 2009-01-14 2013-04-03 三菱電機株式会社 空気調和装置
JP5447968B2 (ja) * 2010-03-31 2014-03-19 株式会社富士通ゼネラル ヒートポンプ装置
JP5593809B2 (ja) * 2010-04-28 2014-09-24 東京電力株式会社 産業用加熱システム及びその制御方法
JP5202665B2 (ja) * 2011-02-22 2013-06-05 株式会社東洋製作所 冷凍システム
US8793003B2 (en) * 2011-03-31 2014-07-29 Mitsubishi Electric Research Laboratories, Inc. Controlling operations of vapor compression system
WO2014103407A1 (fr) * 2012-12-28 2014-07-03 三菱電機株式会社 Dispositif de climatisation
JP5874754B2 (ja) * 2014-01-31 2016-03-02 ダイキン工業株式会社 冷凍装置
JP2016044826A (ja) * 2014-08-20 2016-04-04 日立アプライアンス株式会社 冷凍サイクル装置
WO2017068909A1 (fr) * 2015-10-21 2017-04-27 三菱電機株式会社 Conditionneur d'air
CN111692721B (zh) * 2019-03-15 2023-09-22 开利公司 用于空气调节系统的控制方法

Also Published As

Publication number Publication date
WO2023013616A1 (fr) 2023-02-09
EP4382829A4 (fr) 2024-11-13
CN117716184A (zh) 2024-03-15
JP7759207B2 (ja) 2025-10-23
US20240175613A1 (en) 2024-05-30
JP2023023475A (ja) 2023-02-16
EP4382829A1 (fr) 2024-06-12

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