EP3922928A4 - Outdoor unit of refrigeration device and refrigeration device comprising same - Google Patents

Outdoor unit of refrigeration device and refrigeration device comprising same Download PDF

Info

Publication number
EP3922928A4
EP3922928A4 EP19914434.6A EP19914434A EP3922928A4 EP 3922928 A4 EP3922928 A4 EP 3922928A4 EP 19914434 A EP19914434 A EP 19914434A EP 3922928 A4 EP3922928 A4 EP 3922928A4
Authority
EP
European Patent Office
Prior art keywords
refrigeration device
same
outdoor unit
refrigeration
outdoor
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
EP19914434.6A
Other languages
German (de)
French (fr)
Other versions
EP3922928A1 (en
Inventor
Tomotaka Ishikawa
Nobuya ISHIHARA
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 EP3922928A1 publication Critical patent/EP3922928A1/en
Publication of EP3922928A4 publication Critical patent/EP3922928A4/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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • F25B47/022—Defrosting cycles hot gas defrosting
    • F25B47/025—Defrosting cycles hot gas defrosting by reversing the 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
    • 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
    • F25B6/00—Compression machines, plants or systems, with several condenser circuits
    • F25B6/04—Compression machines, plants or systems, with several condenser circuits arranged in series
    • 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
    • F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/04—Refrigeration circuit bypassing means
    • F25B2400/0415—Refrigeration circuit bypassing means for the receiver
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/13—Economisers
    • 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
    • F25B2700/191—Pressures near an expansion 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2101—Temperatures in a bypass

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
EP19914434.6A 2019-02-05 2019-02-05 Outdoor unit of refrigeration device and refrigeration device comprising same Pending EP3922928A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/004076 WO2020161803A1 (en) 2019-02-05 2019-02-05 Outdoor unit of refrigeration device and refrigeration device comprising same

Publications (2)

Publication Number Publication Date
EP3922928A1 EP3922928A1 (en) 2021-12-15
EP3922928A4 true EP3922928A4 (en) 2022-01-26

Family

ID=71948173

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19914434.6A Pending EP3922928A4 (en) 2019-02-05 2019-02-05 Outdoor unit of refrigeration device and refrigeration device comprising same

Country Status (4)

Country Link
EP (1) EP3922928A4 (en)
JP (1) JP7105933B2 (en)
CN (1) CN113348333B (en)
WO (1) WO2020161803A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020110888A1 (en) 2018-11-30 2020-06-04 パナソニックＩｐマネジメント株式会社 Battery
GB2616806A (en) * 2021-01-26 2023-09-20 Mitsubishi Electric Corp Outdoor unit for refrigeration device and refrigeration device equipped with same
WO2022195727A1 (en) * 2021-03-16 2022-09-22 三菱電機株式会社 Heat source machine for refrigeration apparatus and refrigeration apparatus equipped with same
WO2022219666A1 (en) * 2021-04-12 2022-10-20 三菱電機株式会社 Outdoor unit for refrigeration device and refrigeration device equipped with same
CN116026052B (en) * 2023-02-15 2023-05-30 中联云港数据科技股份有限公司 Air conditioner refrigerating system with dehumidification function

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2645019A1 (en) * 2010-11-24 2013-10-02 Mitsubishi Electric Corporation Heat pump hot-water supply device
JP5595245B2 (en) * 2010-11-26 2014-09-24 三菱電機株式会社 Refrigeration equipment
EP3425306A1 (en) * 2016-02-29 2019-01-09 Daikin Industries, Ltd. Freezing device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03177766A (en) * 1989-12-06 1991-08-01 Hitachi Ltd Freezer
JPH06341741A (en) * 1993-06-01 1994-12-13 Daikin Ind Ltd Defrosting controller for refrigerating device
JP3177766B2 (en) 1996-04-18 2001-06-18 オークマ株式会社 Tool transfer device
JP2013002678A (en) * 2011-06-14 2013-01-07 Daikin Industries Ltd Condensing unit set and refrigeration device
CN104024752B (en) * 2011-12-12 2017-06-23 三菱电机株式会社 Outdoor unit and conditioner
JP6341741B2 (en) 2014-04-22 2018-06-13 日本電産コパル株式会社 Booklet transport device
CN105758045A (en) * 2016-04-25 2016-07-13 深圳市派沃新能源科技有限公司 Ultralow-temperature overlapped triple generation heat pump unit
CN109157861B (en) * 2018-09-29 2024-02-06 南京五洲制冷集团有限公司 Indirect condensation type oil gas recovery unit with self-defrosting function

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2645019A1 (en) * 2010-11-24 2013-10-02 Mitsubishi Electric Corporation Heat pump hot-water supply device
JP5595245B2 (en) * 2010-11-26 2014-09-24 三菱電機株式会社 Refrigeration equipment
EP3425306A1 (en) * 2016-02-29 2019-01-09 Daikin Industries, Ltd. Freezing device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020161803A1 *

Also Published As

Publication number Publication date
EP3922928A1 (en) 2021-12-15
JPWO2020161803A1 (en) 2021-10-21
WO2020161803A1 (en) 2020-08-13
CN113348333B (en) 2023-07-11
JP7105933B2 (en) 2022-07-25
CN113348333A (en) 2021-09-03

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RIC1 Information provided on ipc code assigned before grant

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