CN114364929B - 室外单元以及冷冻循环装置 - Google Patents
室外单元以及冷冻循环装置 Download PDFInfo
- Publication number
- CN114364929B CN114364929B CN201980099963.2A CN201980099963A CN114364929B CN 114364929 B CN114364929 B CN 114364929B CN 201980099963 A CN201980099963 A CN 201980099963A CN 114364929 B CN114364929 B CN 114364929B
- Authority
- CN
- China
- Prior art keywords
- flow path
- refrigerant
- pressure
- outdoor unit
- 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
Links
- 238000005057 refrigeration Methods 0.000 title claims description 25
- 239000003507 refrigerant Substances 0.000 claims abstract description 165
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000001514 detection method Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 18
- 238000013461 design Methods 0.000 description 18
- 238000004781 supercooling Methods 0.000 description 14
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
- 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
- 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
- F25B2400/0411—Refrigeration circuit bypassing means for the expansion valve or capillary tube
-
- 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
- F25B2400/23—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
- F25B2600/25—Control of valves
- F25B2600/2501—Bypass 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2515—Flow 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2519—On-off 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/035372 WO2021048900A1 (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 (2)
Publication Number | Publication Date |
---|---|
CN114364929A CN114364929A (zh) | 2022-04-15 |
CN114364929B true CN114364929B (zh) | 2024-01-02 |
Family
ID=74866223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201980099963.2A Active CN114364929B (zh) | 2019-09-09 | 2019-09-09 | 室外单元以及冷冻循环装置 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP4030117B1 (ja) |
JP (1) | JP7195449B2 (ja) |
CN (1) | CN114364929B (ja) |
DK (1) | DK4030117T3 (ja) |
ES (1) | ES2967450T3 (ja) |
FI (1) | FI4030117T3 (ja) |
WO (1) | WO2021048900A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024023988A1 (ja) * | 2022-07-27 | 2024-02-01 | 三菱電機株式会社 | 冷凍サイクル装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101059288A (zh) * | 2006-04-19 | 2007-10-24 | 日立空调·家用电器株式会社 | 制冷循环装置及空调机 |
JP2008180420A (ja) * | 2007-01-23 | 2008-08-07 | Mitsubishi Electric Corp | 空気調和システムの運転制御方法及び空気調和システム |
JP2010127531A (ja) * | 2008-11-27 | 2010-06-10 | Mitsubishi Electric Corp | 冷凍空調装置 |
CN104321597A (zh) * | 2012-05-23 | 2015-01-28 | 大金工业株式会社 | 制冷装置 |
CN107965937A (zh) * | 2017-11-17 | 2018-04-27 | 珠海格力电器股份有限公司 | 一种制冷机组及其抽空停机控制方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4687710B2 (ja) * | 2007-12-27 | 2011-05-25 | 三菱電機株式会社 | 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 |
US10393418B2 (en) * | 2013-12-25 | 2019-08-27 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
JP6295676B2 (ja) * | 2014-01-21 | 2018-03-20 | 株式会社デンソー | ヒートポンプサイクル |
JPWO2017175299A1 (ja) * | 2016-04-05 | 2018-10-25 | 三菱電機株式会社 | 冷凍サイクル装置 |
JP6935720B2 (ja) * | 2017-10-12 | 2021-09-15 | ダイキン工業株式会社 | 冷凍装置 |
-
2019
- 2019-09-09 JP JP2021544989A patent/JP7195449B2/ja active Active
- 2019-09-09 ES ES19944984T patent/ES2967450T3/es active Active
- 2019-09-09 DK DK19944984.4T patent/DK4030117T3/da active
- 2019-09-09 EP EP19944984.4A patent/EP4030117B1/en active Active
- 2019-09-09 FI FIEP19944984.4T patent/FI4030117T3/fi active
- 2019-09-09 WO PCT/JP2019/035372 patent/WO2021048900A1/ja unknown
- 2019-09-09 CN CN201980099963.2A patent/CN114364929B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101059288A (zh) * | 2006-04-19 | 2007-10-24 | 日立空调·家用电器株式会社 | 制冷循环装置及空调机 |
JP2008180420A (ja) * | 2007-01-23 | 2008-08-07 | Mitsubishi Electric Corp | 空気調和システムの運転制御方法及び空気調和システム |
JP2010127531A (ja) * | 2008-11-27 | 2010-06-10 | Mitsubishi Electric Corp | 冷凍空調装置 |
CN104321597A (zh) * | 2012-05-23 | 2015-01-28 | 大金工业株式会社 | 制冷装置 |
CN107965937A (zh) * | 2017-11-17 | 2018-04-27 | 珠海格力电器股份有限公司 | 一种制冷机组及其抽空停机控制方法 |
Also Published As
Publication number | Publication date |
---|---|
CN114364929A (zh) | 2022-04-15 |
FI4030117T3 (fi) | 2023-12-14 |
JPWO2021048900A1 (ja) | 2021-03-18 |
EP4030117B1 (en) | 2023-11-22 |
JP7195449B2 (ja) | 2022-12-23 |
ES2967450T3 (es) | 2024-04-30 |
EP4030117A4 (en) | 2022-09-07 |
DK4030117T3 (da) | 2023-12-18 |
WO2021048900A1 (ja) | 2021-03-18 |
EP4030117A1 (en) | 2022-07-20 |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |