JP7224480B2 - 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

Info

Publication number
JP7224480B2
JP7224480B2 JP2021544990A JP2021544990A JP7224480B2 JP 7224480 B2 JP7224480 B2 JP 7224480B2 JP 2021544990 A JP2021544990 A JP 2021544990A JP 2021544990 A JP2021544990 A JP 2021544990A JP 7224480 B2 JP7224480 B2 JP 7224480B2
Authority
JP
Japan
Prior art keywords
refrigerant
compressor
flow path
passage
condenser
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
JP2021544990A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2021048901A5 (https=
JPWO2021048901A1 (https=
Inventor
智隆 石川
悠介 有井
素 早坂
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 JPWO2021048901A1 publication Critical patent/JPWO2021048901A1/ja
Publication of JPWO2021048901A5 publication Critical patent/JPWO2021048901A5/ja
Application granted granted Critical
Publication of JP7224480B2 publication Critical patent/JP7224480B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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)
JP2021544990A 2019-09-09 2019-09-09 室外ユニットおよび冷凍サイクル装置 Active JP7224480B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/035373 WO2021048901A1 (ja) 2019-09-09 2019-09-09 室外ユニットおよび冷凍サイクル装置

Publications (3)

Publication Number Publication Date
JPWO2021048901A1 JPWO2021048901A1 (https=) 2021-03-18
JPWO2021048901A5 JPWO2021048901A5 (https=) 2022-04-08
JP7224480B2 true JP7224480B2 (ja) 2023-02-17

Family

ID=74866219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021544990A Active JP7224480B2 (ja) 2019-09-09 2019-09-09 室外ユニットおよび冷凍サイクル装置

Country Status (7)

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

Families Citing this family (4)

* 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
JP7814138B2 (ja) * 2021-10-18 2026-02-16 三菱重工サーマルシステムズ株式会社 冷凍装置
WO2023199511A1 (ja) * 2022-04-15 2023-10-19 三菱電機株式会社 冷凍サイクル装置
WO2024023993A1 (ja) * 2022-07-27 2024-02-01 三菱電機株式会社 冷凍サイクル装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009156531A (ja) 2007-12-27 2009-07-16 Mitsubishi Electric Corp 冷凍装置
JP2014102008A (ja) 2012-11-16 2014-06-05 Panasonic Corp 冷凍装置
WO2017175299A1 (ja) 2016-04-05 2017-10-12 三菱電機株式会社 冷凍サイクル装置

Family Cites Families (7)

* 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
DK2147264T3 (en) * 2007-04-24 2019-03-04 Carrier Corp Refrigerant vapor compression system
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
EP2975338B1 (en) * 2013-03-12 2020-11-25 Mitsubishi Electric Corporation Air conditioner
JP6935720B2 (ja) * 2017-10-12 2021-09-15 ダイキン工業株式会社 冷凍装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009156531A (ja) 2007-12-27 2009-07-16 Mitsubishi Electric Corp 冷凍装置
JP2014102008A (ja) 2012-11-16 2014-06-05 Panasonic Corp 冷凍装置
WO2017175299A1 (ja) 2016-04-05 2017-10-12 三菱電機株式会社 冷凍サイクル装置

Also Published As

Publication number Publication date
DK4030116T3 (da) 2023-11-13
FI4030116T3 (fi) 2023-11-02
CN114341567B (zh) 2024-01-02
EP4030116A1 (en) 2022-07-20
ES2964488T3 (es) 2024-04-08
CN114341567A (zh) 2022-04-12
JPWO2021048901A1 (https=) 2021-03-18
EP4030116A4 (en) 2022-09-07
WO2021048901A1 (ja) 2021-03-18
EP4030116B1 (en) 2023-10-11

Similar Documents

Publication Publication Date Title
US9759475B2 (en) Outdoor unit and air-conditioning apparatus
JP7224480B2 (ja) 室外ユニットおよび冷凍サイクル装置
US10088206B2 (en) Air-conditioning apparatus
US11384965B2 (en) Refrigeration cycle apparatus performing a refrigerant circulation operation using a liquid pump
JP7150148B2 (ja) 室外ユニット、冷凍サイクル装置および冷凍機
CN104613699B (zh) 冰箱
JP4725387B2 (ja) 空気調和装置
WO2017061010A1 (ja) 冷凍サイクル装置
JP7183381B2 (ja) 冷凍サイクル装置
JP2014119157A (ja) ヒートポンプ式加熱装置
JP7378561B2 (ja) 室外ユニットおよび冷凍サイクル装置
JP5812726B2 (ja) ヒートポンプ給湯機
JP7195449B2 (ja) 室外ユニットおよび冷凍サイクル装置
US11041667B2 (en) Refrigeration cycle apparatus
JP5872052B2 (ja) 空気調和装置
JP4082435B2 (ja) 冷凍装置
JP6554903B2 (ja) 空気調和装置
JP2006284034A (ja) 空気調和装置およびその膨張弁制御方法
JP2009236430A (ja) 圧縮式冷凍機及びその容量制御方法
EP4089349B1 (en) Air conditioner and control method thereof
WO2024023993A1 (ja) 冷凍サイクル装置
US20250369671A1 (en) Refrigeration cycle device
JP2009270777A (ja) 冷凍装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220121

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220121

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20230110

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230207

R150 Certificate of patent or registration of utility model

Ref document number: 7224480

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150