EP3988871A4 - Outdoor unit, refrigeration cycle device, and refrigerator - Google Patents

Outdoor unit, refrigeration cycle device, and refrigerator Download PDF

Info

Publication number
EP3988871A4
EP3988871A4 EP19933763.5A EP19933763A EP3988871A4 EP 3988871 A4 EP3988871 A4 EP 3988871A4 EP 19933763 A EP19933763 A EP 19933763A EP 3988871 A4 EP3988871 A4 EP 3988871A4
Authority
EP
European Patent Office
Prior art keywords
refrigerator
outdoor unit
refrigeration cycle
cycle device
refrigeration
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
EP19933763.5A
Other languages
German (de)
French (fr)
Other versions
EP3988871A1 (en
Inventor
Ryo TSUKIYAMA
Tomotaka Ishikawa
Satoru Yanachi
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 EP3988871A1 publication Critical patent/EP3988871A1/en
Publication of EP3988871A4 publication Critical patent/EP3988871A4/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
    • 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
    • F25B49/005—Arrangement or mounting of control or safety devices of safety devices
    • 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
    • F25B2400/16—Receivers
    • 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
    • F25B2400/23—Separators
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/24—Low amount of refrigerant in the system
    • 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
    • F25B2600/2509—Economiser 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
    • 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
EP19933763.5A 2019-06-20 2019-06-20 Outdoor unit, refrigeration cycle device, and refrigerator Pending EP3988871A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/024585 WO2020255355A1 (en) 2019-06-20 2019-06-20 Outdoor unit, refrigeration cycle device, and refrigerator

Publications (2)

Publication Number Publication Date
EP3988871A1 EP3988871A1 (en) 2022-04-27
EP3988871A4 true EP3988871A4 (en) 2022-06-22

Family

ID=74040373

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19933763.5A Pending EP3988871A4 (en) 2019-06-20 2019-06-20 Outdoor unit, refrigeration cycle device, and refrigerator

Country Status (4)

Country Link
EP (1) EP3988871A4 (en)
JP (1) JP7278376B2 (en)
CN (1) CN114127492B (en)
WO (1) WO2020255355A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1818627A1 (en) * 2004-11-29 2007-08-15 Mitsubishi Electric Corporation Refrigerating air conditioner, operation control method of refrigerating air conditioner, and refrigerant quantity control method of refrigerating air conditioner
JP2010223542A (en) * 2009-03-25 2010-10-07 Mitsubishi Electric Corp Refrigerating air-conditioning device
EP2924372A1 (en) * 2012-11-20 2015-09-30 Mitsubishi Electric Corporation Refrigeration device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5316287A (en) 1976-07-28 1978-02-15 Hitachi Ltd Handrail for man conveyor
JP3178178B2 (en) * 1993-08-26 2001-06-18 松下電器産業株式会社 Refrigeration cycle saturated steam temperature detection circuit
JPH11159895A (en) * 1997-11-28 1999-06-15 Hitachi Ltd Air conditioner
CA2436367A1 (en) * 2003-05-09 2004-11-09 Serge Dube Energy storage with refrigeration systems and method
JP2005308393A (en) * 2005-07-25 2005-11-04 Daikin Ind Ltd Refrigerating machine and refrigerant amount detecting method of refrigerating machine
JP4462435B2 (en) * 2005-11-16 2010-05-12 株式会社富士通ゼネラル Refrigeration equipment
KR101545488B1 (en) * 2008-03-21 2015-08-21 엘지전자 주식회사 Method for charging of refrigerant of air conditioner
JP2013002801A (en) * 2011-06-22 2013-01-07 Panasonic Corp Refrigeration cycle device, and hot-water heater including the same
JP6057859B2 (en) * 2013-08-08 2017-01-11 アズビル株式会社 Dryness measuring device
JP2015148406A (en) * 2014-02-07 2015-08-20 パナソニックＩｐマネジメント株式会社 Refrigeration device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1818627A1 (en) * 2004-11-29 2007-08-15 Mitsubishi Electric Corporation Refrigerating air conditioner, operation control method of refrigerating air conditioner, and refrigerant quantity control method of refrigerating air conditioner
JP2010223542A (en) * 2009-03-25 2010-10-07 Mitsubishi Electric Corp Refrigerating air-conditioning device
EP2924372A1 (en) * 2012-11-20 2015-09-30 Mitsubishi Electric Corporation Refrigeration device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020255355A1 *

Also Published As

Publication number Publication date
WO2020255355A1 (en) 2020-12-24
CN114127492A (en) 2022-03-01
JP7278376B2 (en) 2023-05-19
EP3988871A1 (en) 2022-04-27
CN114127492B (en) 2023-06-06
JPWO2020255355A1 (en) 2020-12-24

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