JP7155440B2 - 室外ユニットおよび冷凍サイクル装置 - Google Patents

室外ユニットおよび冷凍サイクル装置 Download PDF

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Publication number
JP7155440B2
JP7155440B2 JP2021544987A JP2021544987A JP7155440B2 JP 7155440 B2 JP7155440 B2 JP 7155440B2 JP 2021544987 A JP2021544987 A JP 2021544987A JP 2021544987 A JP2021544987 A JP 2021544987A JP 7155440 B2 JP7155440 B2 JP 7155440B2
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JP
Japan
Prior art keywords
refrigerant
passage
valve
flow path
compressor
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.)
Active
Application number
JP2021544987A
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English (en)
Japanese (ja)
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JPWO2021048898A5 (https=
JPWO2021048898A1 (https=
Inventor
素 早坂
智隆 石川
悠介 有井
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 JPWO2021048898A1 publication Critical patent/JPWO2021048898A1/ja
Publication of JPWO2021048898A5 publication Critical patent/JPWO2021048898A5/ja
Priority to JP2022160266A priority Critical patent/JP7378561B2/ja
Application granted granted Critical
Publication of JP7155440B2 publication Critical patent/JP7155440B2/ja
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    • 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
    • F25B40/02—Subcoolers
    • 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
    • F25B1/00—Compression machines, plants or systems with non-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
    • 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
    • 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
    • F25B2700/193—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
    • F25B2700/2103—Temperatures near a 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of the compressor
    • 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
    • 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
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser

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)
JP2021544987A 2019-09-09 2019-09-09 室外ユニットおよび冷凍サイクル装置 Active JP7155440B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022160266A JP7378561B2 (ja) 2019-09-09 2022-10-04 室外ユニットおよび冷凍サイクル装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/035370 WO2021048898A1 (ja) 2019-09-09 2019-09-09 室外ユニットおよび冷凍サイクル装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022160266A Division JP7378561B2 (ja) 2019-09-09 2022-10-04 室外ユニットおよび冷凍サイクル装置

Publications (3)

Publication Number Publication Date
JPWO2021048898A1 JPWO2021048898A1 (https=) 2021-03-18
JPWO2021048898A5 JPWO2021048898A5 (https=) 2022-03-28
JP7155440B2 true JP7155440B2 (ja) 2022-10-18

Family

ID=74866212

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021544987A Active JP7155440B2 (ja) 2019-09-09 2019-09-09 室外ユニットおよび冷凍サイクル装置
JP2022160266A Active JP7378561B2 (ja) 2019-09-09 2022-10-04 室外ユニットおよび冷凍サイクル装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2022160266A Active JP7378561B2 (ja) 2019-09-09 2022-10-04 室外ユニットおよび冷凍サイクル装置

Country Status (3)

Country Link
JP (2) JP7155440B2 (https=)
GB (1) GB2602893B (https=)
WO (1) WO2021048898A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023233452A1 (ja) * 2022-05-30 2023-12-07 三菱電機株式会社 室外ユニットおよび冷凍サイクル装置
JPWO2025126455A1 (https=) * 2023-12-15 2025-06-19
JP7844608B1 (ja) * 2024-12-16 2026-04-13 日本キヤリア株式会社 冷凍装置、および冷凍ユニット

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007263443A (ja) 2006-03-28 2007-10-11 Mitsubishi Electric Corp 空気調和装置
US20110094248A1 (en) 2007-12-20 2011-04-28 Carrier Corporation Refrigerant System and Method of Operating the Same
WO2013160966A1 (ja) 2012-04-27 2013-10-31 三菱電機株式会社 空気調和装置
JP2014119221A (ja) 2012-12-18 2014-06-30 Daikin Ind Ltd 冷凍装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04110567A (ja) * 1990-08-31 1992-04-13 Hitachi Ltd 冷凍装置
JPH10104567A (ja) * 1996-10-01 1998-04-24 Seiko Instr Inc カラー液晶表示装置
JPH10318614A (ja) * 1997-05-16 1998-12-04 Matsushita Electric Ind Co Ltd 空気調和機
JP2008039233A (ja) * 2006-08-03 2008-02-21 Daikin Ind Ltd 冷凍装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007263443A (ja) 2006-03-28 2007-10-11 Mitsubishi Electric Corp 空気調和装置
US20110094248A1 (en) 2007-12-20 2011-04-28 Carrier Corporation Refrigerant System and Method of Operating the Same
WO2013160966A1 (ja) 2012-04-27 2013-10-31 三菱電機株式会社 空気調和装置
JP2014119221A (ja) 2012-12-18 2014-06-30 Daikin Ind Ltd 冷凍装置

Also Published As

Publication number Publication date
GB2602893A (en) 2022-07-20
JP2022177312A (ja) 2022-11-30
JP7378561B2 (ja) 2023-11-13
WO2021048898A1 (ja) 2021-03-18
JPWO2021048898A1 (https=) 2021-03-18
GB2602893B (en) 2023-05-17

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