EP4163574A4 - Refrigeration cycle device - Google Patents

Refrigeration cycle device Download PDF

Info

Publication number
EP4163574A4
EP4163574A4 EP20940265.0A EP20940265A EP4163574A4 EP 4163574 A4 EP4163574 A4 EP 4163574A4 EP 20940265 A EP20940265 A EP 20940265A EP 4163574 A4 EP4163574 A4 EP 4163574A4
Authority
EP
European Patent Office
Prior art keywords
refrigeration cycle
cycle device
refrigeration
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.)
Pending
Application number
EP20940265.0A
Other languages
German (de)
French (fr)
Other versions
EP4163574A1 (en
Inventor
Tadayuki MATSUSHITA
Yasutaka Ochiai
Naohiro ICHIKAWA
Katsuya Taniguchi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP4163574A1 publication Critical patent/EP4163574A1/en
Publication of EP4163574A4 publication Critical patent/EP4163574A4/en
Pending legal-status Critical Current

Links

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
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary 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
    • 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
    • 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
    • F25B2313/031—Sensor arrangements
    • F25B2313/0315—Temperature sensors near the outdoor 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
    • F25B2500/19—Calculation of parameters
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
EP20940265.0A 2020-06-09 2020-06-09 Refrigeration cycle device Pending EP4163574A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/022734 WO2021250789A1 (en) 2020-06-09 2020-06-09 Refrigeration cycle device

Publications (2)

Publication Number Publication Date
EP4163574A1 EP4163574A1 (en) 2023-04-12
EP4163574A4 true EP4163574A4 (en) 2023-07-05

Family

ID=78845493

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20940265.0A Pending EP4163574A4 (en) 2020-06-09 2020-06-09 Refrigeration cycle device

Country Status (5)

Country Link
US (1) US20230221050A1 (en)
EP (1) EP4163574A4 (en)
JP (1) JP7367216B2 (en)
CN (1) CN115698606B (en)
WO (1) WO2021250789A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003050067A (en) * 2001-08-03 2003-02-21 Ckd Corp Cooler and method of judging failure of cooler
JP2013079749A (en) * 2011-10-03 2013-05-02 Mitsubishi Electric Corp Cooling device
EP3205954A1 (en) * 2016-02-12 2017-08-16 Mitsubishi Heavy Industries Thermal Systems, Ltd. Refrigeration cycle device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2413056B1 (en) * 2009-03-26 2021-07-14 Mitsubishi Electric Corporation Air-conditioning apparatus
JP5058324B2 (en) * 2010-10-14 2012-10-24 三菱電機株式会社 Refrigeration cycle equipment
JP5289475B2 (en) * 2011-02-01 2013-09-11 三菱電機株式会社 Refrigeration cycle apparatus, flow rate calculation method and program
US20140196483A1 (en) * 2011-09-13 2014-07-17 Mitsubishi Electric Corporation Heat pump apparatus and method of controlling heat pump apparatus
JP5780977B2 (en) * 2012-02-15 2015-09-16 三菱電機株式会社 Heat pump cycle equipment
JP6238876B2 (en) * 2014-11-21 2017-11-29 三菱電機株式会社 Refrigeration cycle equipment
JPWO2017145218A1 (en) * 2016-02-22 2018-09-20 三菱電機株式会社 Air conditioner
WO2018186106A1 (en) * 2017-04-05 2018-10-11 株式会社デンソー Refrigerant leakage detection device, and refrigeration cycle device
JP7068861B2 (en) * 2018-02-28 2022-05-17 大阪瓦斯株式会社 Chiller system
JP6678785B2 (en) * 2019-01-24 2020-04-08 三菱電機株式会社 Abnormality detection system, refrigeration cycle device, and abnormality detection method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003050067A (en) * 2001-08-03 2003-02-21 Ckd Corp Cooler and method of judging failure of cooler
JP2013079749A (en) * 2011-10-03 2013-05-02 Mitsubishi Electric Corp Cooling device
EP3205954A1 (en) * 2016-02-12 2017-08-16 Mitsubishi Heavy Industries Thermal Systems, Ltd. Refrigeration cycle device

Also Published As

Publication number Publication date
CN115698606B (en) 2024-03-19
CN115698606A (en) 2023-02-03
JPWO2021250789A1 (en) 2021-12-16
JP7367216B2 (en) 2023-10-23
US20230221050A1 (en) 2023-07-13
WO2021250789A1 (en) 2021-12-16
EP4163574A1 (en) 2023-04-12

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Effective date: 20230605

RIC1 Information provided on ipc code assigned before grant

Ipc: F25B 25/00 20060101ALI20230530BHEP

Ipc: F25B 13/00 20060101ALI20230530BHEP

Ipc: F25B 1/00 20060101ALI20230530BHEP

Ipc: F25B 49/02 20060101AFI20230530BHEP

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