JP7701640B2 - 冷凍サイクル装置 - Google Patents

冷凍サイクル装置 Download PDF

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Publication number
JP7701640B2
JP7701640B2 JP2023170914A JP2023170914A JP7701640B2 JP 7701640 B2 JP7701640 B2 JP 7701640B2 JP 2023170914 A JP2023170914 A JP 2023170914A JP 2023170914 A JP2023170914 A JP 2023170914A JP 7701640 B2 JP7701640 B2 JP 7701640B2
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JP
Japan
Prior art keywords
utilization
unit
refrigerant
heat source
pipe
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
JP2023170914A
Other languages
English (en)
Japanese (ja)
Other versions
JP2025060267A (ja
Inventor
史雄 五十嵐
喬也 中西
雄太 福山
将史 安野
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 JP2023170914A priority Critical patent/JP7701640B2/ja
Priority to PCT/JP2024/033168 priority patent/WO2025070184A1/ja
Priority to EP24808835.3A priority patent/EP4553418A4/de
Publication of JP2025060267A publication Critical patent/JP2025060267A/ja
Application granted granted Critical
Publication of JP7701640B2 publication Critical patent/JP7701640B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F25B49/02—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
    • 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
    • F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel 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
    • 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
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/031—Sensor arrangements
    • F25B2313/0314—Temperature sensors near the indoor heat exchanger
    • 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
    • F25B2500/221—Preventing leaks from developing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
JP2023170914A 2023-09-29 2023-09-29 冷凍サイクル装置 Active JP7701640B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023170914A JP7701640B2 (ja) 2023-09-29 2023-09-29 冷凍サイクル装置
PCT/JP2024/033168 WO2025070184A1 (ja) 2023-09-29 2024-09-18 冷凍サイクル装置
EP24808835.3A EP4553418A4 (de) 2023-09-29 2024-09-18 Kältekreislaufvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2023170914A JP7701640B2 (ja) 2023-09-29 2023-09-29 冷凍サイクル装置

Publications (2)

Publication Number Publication Date
JP2025060267A JP2025060267A (ja) 2025-04-10
JP7701640B2 true JP7701640B2 (ja) 2025-07-02

Family

ID=93924187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023170914A Active JP7701640B2 (ja) 2023-09-29 2023-09-29 冷凍サイクル装置

Country Status (3)

Country Link
EP (1) EP4553418A4 (de)
JP (1) JP7701640B2 (de)
WO (1) WO2025070184A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021085642A (ja) 2019-11-29 2021-06-03 ダイキン工業株式会社 空気調和装置
JP2021162193A (ja) 2020-03-31 2021-10-11 株式会社富士通ゼネラル 空気調和装置
JP2022066443A (ja) 2017-12-25 2022-04-28 ダイキン工業株式会社 冷凍装置
JP2023519091A (ja) 2020-02-05 2023-05-10 ダイキン工業株式会社 ヒートポンプシステム、表示装置、利用側ユニットおよび情報出力方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6804631B2 (ja) * 2017-03-13 2020-12-23 三菱電機株式会社 冷凍サイクル装置
CN111094871B (zh) 2017-09-29 2021-09-17 大金工业株式会社 冷冻装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022066443A (ja) 2017-12-25 2022-04-28 ダイキン工業株式会社 冷凍装置
JP2021085642A (ja) 2019-11-29 2021-06-03 ダイキン工業株式会社 空気調和装置
JP2023519091A (ja) 2020-02-05 2023-05-10 ダイキン工業株式会社 ヒートポンプシステム、表示装置、利用側ユニットおよび情報出力方法
JP2021162193A (ja) 2020-03-31 2021-10-11 株式会社富士通ゼネラル 空気調和装置

Also Published As

Publication number Publication date
EP4553418A1 (de) 2025-05-14
EP4553418A4 (de) 2025-08-06
WO2025070184A1 (ja) 2025-04-03
JP2025060267A (ja) 2025-04-10

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