EP4265980A4 - Cold heat source unit and refrigeration cycle device - Google Patents

Cold heat source unit and refrigeration cycle device Download PDF

Info

Publication number
EP4265980A4
EP4265980A4 EP20966023.2A EP20966023A EP4265980A4 EP 4265980 A4 EP4265980 A4 EP 4265980A4 EP 20966023 A EP20966023 A EP 20966023A EP 4265980 A4 EP4265980 A4 EP 4265980A4
Authority
EP
European Patent Office
Prior art keywords
heat source
source unit
refrigeration cycle
cold heat
cycle device
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.)
Withdrawn
Application number
EP20966023.2A
Other languages
German (de)
French (fr)
Other versions
EP4265980A1 (en
Inventor
Kohei Ueda
Yusuke Arii
Motoshi HAYASAKA
Takashi Ikeda
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 EP4265980A1 publication Critical patent/EP4265980A1/en
Publication of EP4265980A4 publication Critical patent/EP4265980A4/en
Withdrawn legal-status Critical Current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
    • 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
    • F25B31/00—Compressor arrangements
    • F25B31/002—Lubrication
    • F25B31/004—Lubrication oil recirculating 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
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/03—Oil level
    • 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
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1931—Discharge pressures
    • 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
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures
    • 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
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
EP20966023.2A 2020-12-18 2020-12-18 Cold heat source unit and refrigeration cycle device Withdrawn EP4265980A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/047521 WO2022130637A1 (en) 2020-12-18 2020-12-18 Cold heat source unit and refrigeration cycle device

Publications (2)

Publication Number Publication Date
EP4265980A1 EP4265980A1 (en) 2023-10-25
EP4265980A4 true EP4265980A4 (en) 2024-05-08

Family

ID=82059301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20966023.2A Withdrawn EP4265980A4 (en) 2020-12-18 2020-12-18 Cold heat source unit and refrigeration cycle device

Country Status (3)

Country Link
EP (1) EP4265980A4 (en)
JP (1) JPWO2022130637A1 (en)
WO (1) WO2022130637A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024111097A1 (en) * 2022-11-24 2024-05-30 三菱電機株式会社 Refrigeration cycle device
WO2024116246A1 (en) * 2022-11-28 2024-06-06 三菱電機株式会社 Refrigeration cycle device
WO2024122029A1 (en) * 2022-12-08 2024-06-13 三菱電機株式会社 Refrigeration cycle apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001082815A (en) * 1999-09-14 2001-03-30 Mitsubishi Electric Corp Refrigeration airconditioning cycle device
CN105928251A (en) * 2016-05-06 2016-09-07 宁波工程学院 Heat pump
EP3306231A1 (en) * 2016-10-05 2018-04-11 Mitsubishi Heavy Industries Thermal Systems, Ltd. Control device, refrigerant circuit system, control method and program
CN110953754A (en) * 2018-09-26 2020-04-03 日立江森自控空调有限公司 Refrigerating air conditioner and closed electric compressor used for same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0725574Y2 (en) 1989-11-17 1995-06-07 三菱重工業株式会社 Refrigerant recovery device
JPH0674579A (en) * 1992-08-26 1994-03-15 Daikin Ind Ltd Refrigerating apparatus
JP2003202146A (en) * 2002-01-10 2003-07-18 Sanyo Electric Co Ltd Air-conditioning device
JP2011208860A (en) * 2010-03-29 2011-10-20 Hitachi Appliances Inc Air conditioner
JP5921425B2 (en) * 2012-12-12 2016-05-24 ヤンマー株式会社 air conditioner
JPWO2015045011A1 (en) * 2013-09-24 2017-03-02 三菱電機株式会社 Refrigeration cycle equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001082815A (en) * 1999-09-14 2001-03-30 Mitsubishi Electric Corp Refrigeration airconditioning cycle device
CN105928251A (en) * 2016-05-06 2016-09-07 宁波工程学院 Heat pump
EP3306231A1 (en) * 2016-10-05 2018-04-11 Mitsubishi Heavy Industries Thermal Systems, Ltd. Control device, refrigerant circuit system, control method and program
CN110953754A (en) * 2018-09-26 2020-04-03 日立江森自控空调有限公司 Refrigerating air conditioner and closed electric compressor used for same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022130637A1 *

Also Published As

Publication number Publication date
WO2022130637A1 (en) 2022-06-23
JPWO2022130637A1 (en) 2022-06-23
EP4265980A1 (en) 2023-10-25

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