EP4030116A4 - Unité extérieure et dispositif à cycle frigorifique - Google Patents

Unité extérieure et dispositif à cycle frigorifique Download PDF

Info

Publication number
EP4030116A4
EP4030116A4 EP19944704.6A EP19944704A EP4030116A4 EP 4030116 A4 EP4030116 A4 EP 4030116A4 EP 19944704 A EP19944704 A EP 19944704A EP 4030116 A4 EP4030116 A4 EP 4030116A4
Authority
EP
European Patent Office
Prior art keywords
outdoor unit
refrigeration cycle
cycle device
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.)
Granted
Application number
EP19944704.6A
Other languages
German (de)
English (en)
Other versions
EP4030116A1 (fr
EP4030116B1 (fr
Inventor
Tomotaka Ishikawa
Yusuke Arii
Motoshi HAYASAKA
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 EP4030116A1 publication Critical patent/EP4030116A1/fr
Publication of EP4030116A4 publication Critical patent/EP4030116A4/fr
Application granted granted Critical
Publication of EP4030116B1 publication Critical patent/EP4030116B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • 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
    • F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
    • 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
    • F25B2600/00—Control issues
    • F25B2600/23—Time delays
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
EP19944704.6A 2019-09-09 2019-09-09 Unité extérieure et dispositif à cycle frigorifique Active EP4030116B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/035373 WO2021048901A1 (fr) 2019-09-09 2019-09-09 Unité extérieure et dispositif à cycle frigorifique

Publications (3)

Publication Number Publication Date
EP4030116A1 EP4030116A1 (fr) 2022-07-20
EP4030116A4 true EP4030116A4 (fr) 2022-09-07
EP4030116B1 EP4030116B1 (fr) 2023-10-11

Family

ID=74866219

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19944704.6A Active EP4030116B1 (fr) 2019-09-09 2019-09-09 Unité extérieure et dispositif à cycle frigorifique

Country Status (7)

Country Link
EP (1) EP4030116B1 (fr)
JP (1) JP7224480B2 (fr)
CN (1) CN114341567B (fr)
DK (1) DK4030116T3 (fr)
ES (1) ES2964488T3 (fr)
FI (1) FI4030116T3 (fr)
WO (1) WO2021048901A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113294925A (zh) * 2021-05-21 2021-08-24 浙江国祥股份有限公司 一种带复合式经济器的蒸发冷凝式冷水机组
WO2023199511A1 (fr) * 2022-04-15 2023-10-19 三菱電機株式会社 Dispositif à cycle frigorifique
WO2024023993A1 (fr) * 2022-07-27 2024-02-01 三菱電機株式会社 Dispositif à cycle de réfrigération

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008130357A1 (fr) * 2007-04-24 2008-10-30 Carrier Corporation Système de compression de vapeur de réfrigérant et procédé d'opération transcritique
US20150338121A1 (en) * 2013-03-12 2015-11-26 Mitsubishi Electric Corporation Air-conditioning apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187940A (en) * 1991-02-19 1993-02-23 Standard Motor Products, Inc. Refrigerant recovery and purification system
JP4734161B2 (ja) * 2006-04-19 2011-07-27 日立アプライアンス株式会社 冷凍サイクル装置及び空気調和機
JP4687710B2 (ja) * 2007-12-27 2011-05-25 三菱電機株式会社 冷凍装置
CN201892359U (zh) * 2010-11-30 2011-07-06 青岛金华工业集团有限公司 具有两种冷却方式的冷媒回收加注机
JP5500240B2 (ja) 2012-05-23 2014-05-21 ダイキン工業株式会社 冷凍装置
JP6112388B2 (ja) * 2012-11-16 2017-04-12 パナソニックＩｐマネジメント株式会社 冷凍装置
WO2017175299A1 (fr) * 2016-04-05 2017-10-12 三菱電機株式会社 Dispositif à cycle frigorifique
JP6935720B2 (ja) * 2017-10-12 2021-09-15 ダイキン工業株式会社 冷凍装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008130357A1 (fr) * 2007-04-24 2008-10-30 Carrier Corporation Système de compression de vapeur de réfrigérant et procédé d'opération transcritique
US20150338121A1 (en) * 2013-03-12 2015-11-26 Mitsubishi Electric Corporation Air-conditioning apparatus

Also Published As

Publication number Publication date
CN114341567A (zh) 2022-04-12
EP4030116A1 (fr) 2022-07-20
WO2021048901A1 (fr) 2021-03-18
DK4030116T3 (da) 2023-11-13
FI4030116T3 (fi) 2023-11-02
CN114341567B (zh) 2024-01-02
JPWO2021048901A1 (fr) 2021-03-18
ES2964488T3 (es) 2024-04-08
EP4030116B1 (fr) 2023-10-11
JP7224480B2 (ja) 2023-02-17

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