EP3951288A4 - Outdoor unit and refrigeration cycle device equipped with same - Google Patents
Outdoor unit and refrigeration cycle device equipped with same Download PDFInfo
- Publication number
- EP3951288A4 EP3951288A4 EP19922100.3A EP19922100A EP3951288A4 EP 3951288 A4 EP3951288 A4 EP 3951288A4 EP 19922100 A EP19922100 A EP 19922100A EP 3951288 A4 EP3951288 A4 EP 3951288A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- same
- outdoor unit
- refrigeration cycle
- device equipped
- cycle device
- 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
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
- F25B49/005—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
- 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
- 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
- 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
- F25B2400/01—Heaters
-
- 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
-
- 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
- F25B2600/00—Control issues
- F25B2600/05—Refrigerant levels
-
- 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
- F25B2600/19—Refrigerant outlet condenser temperature
-
- 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
- F25B2600/21—Refrigerant outlet evaporator temperature
-
- 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
- F25B2700/2101—Temperatures in a bypass
-
- 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
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21162—Temperatures of a condenser of the refrigerant at the inlet of the condenser
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/012745 WO2020194490A1 (en) | 2019-03-26 | 2019-03-26 | Outdoor unit and refrigeration cycle device equipped with same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3951288A1 EP3951288A1 (en) | 2022-02-09 |
EP3951288A4 true EP3951288A4 (en) | 2022-03-23 |
Family
ID=72609336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19922100.3A Pending EP3951288A4 (en) | 2019-03-26 | 2019-03-26 | Outdoor unit and refrigeration cycle device equipped with same |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3951288A4 (en) |
JP (1) | JP7154388B2 (en) |
CN (1) | CN113614473B (en) |
WO (1) | WO2020194490A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11231198B2 (en) | 2019-09-05 | 2022-01-25 | Trane International Inc. | Systems and methods for refrigerant leak detection in a climate control system |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005043008A (en) * | 2003-07-24 | 2005-02-17 | Denso Corp | Refrigerating cycle device |
US20070089438A1 (en) * | 2005-10-21 | 2007-04-26 | Abtar Singh | Monitoring refrigerant in a refrigeration system |
JP2011226704A (en) * | 2010-04-20 | 2011-11-10 | Mitsubishi Electric Corp | Refrigerating air conditioner, and refrigerating air conditioning system |
EP3193105A2 (en) * | 2016-01-13 | 2017-07-19 | Bergstrom, Inc. | Refrigeration system with superheating, subcooling and refrigerant charge level control |
JP2018105532A (en) * | 2016-12-26 | 2018-07-05 | カルソニックカンセイ株式会社 | Air conditioner |
EP3358277A1 (en) * | 2015-09-30 | 2018-08-08 | Daikin Industries, Ltd. | Refrigerant leakage spot specifying method |
GB2564312A (en) * | 2016-05-09 | 2019-01-09 | Mitsubishi Electric Corp | Refrigeration device |
WO2019053880A1 (en) * | 2017-09-15 | 2019-03-21 | 三菱電機株式会社 | Refrigeration air conditioner |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4576011A (en) * | 1982-11-01 | 1986-03-18 | Electric Power Research Institute | Air conditioning system and method of operation |
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 |
JP2006214617A (en) * | 2005-02-02 | 2006-08-17 | Matsushita Electric Ind Co Ltd | Air conditioner |
JP4317878B2 (en) * | 2007-01-05 | 2009-08-19 | 日立アプライアンス株式会社 | Air conditioner and method for judging refrigerant amount |
US20090037142A1 (en) * | 2007-07-30 | 2009-02-05 | Lawrence Kates | Portable method and apparatus for monitoring refrigerant-cycle systems |
JP5674452B2 (en) | 2010-12-22 | 2015-02-25 | 三菱電機株式会社 | Refrigeration equipment |
EP2682685B1 (en) * | 2012-07-03 | 2021-08-04 | Samsung Electronics Co., Ltd. | Diagnosis control method for an air conditioner |
US20150059373A1 (en) * | 2013-09-05 | 2015-03-05 | Beckett Performance Products, Llc | Superheat and sub-cooling control of refrigeration system |
JPWO2015111222A1 (en) * | 2014-01-27 | 2017-03-23 | 三菱電機株式会社 | Refrigeration equipment |
KR20160099938A (en) * | 2015-02-13 | 2016-08-23 | 주식회사 대유위니아 | Method for detecting leak of refrigerant in refrigerator |
KR101710941B1 (en) * | 2015-12-18 | 2017-02-28 | 서울대학교산학협력단 | Method for detecting shortage of refrigerant in heat pump system |
JP6737295B2 (en) * | 2017-04-05 | 2020-08-05 | 株式会社デンソー | Refrigerant leak detection device, refrigeration cycle device |
JP7002660B2 (en) * | 2018-08-09 | 2022-01-20 | 三菱電機株式会社 | Refrigeration cycle device |
WO2020065999A1 (en) * | 2018-09-28 | 2020-04-02 | 三菱電機株式会社 | Outdoor unit for refrigeration cycle device, refrigeration cycle device, and air conditioning device |
WO2020079771A1 (en) * | 2018-10-17 | 2020-04-23 | 三菱電機株式会社 | Outdoor unit and refrigeration cycle device provided with same |
WO2020144738A1 (en) * | 2019-01-08 | 2020-07-16 | 三菱電機株式会社 | Air conditioner |
CN110162013A (en) * | 2019-05-29 | 2019-08-23 | 上海理工大学 | A kind of breakdown of refrigeration system diagnostic method |
-
2019
- 2019-03-26 JP JP2021508457A patent/JP7154388B2/en active Active
- 2019-03-26 EP EP19922100.3A patent/EP3951288A4/en active Pending
- 2019-03-26 WO PCT/JP2019/012745 patent/WO2020194490A1/en unknown
- 2019-03-26 CN CN201980094183.9A patent/CN113614473B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005043008A (en) * | 2003-07-24 | 2005-02-17 | Denso Corp | Refrigerating cycle device |
US20070089438A1 (en) * | 2005-10-21 | 2007-04-26 | Abtar Singh | Monitoring refrigerant in a refrigeration system |
JP2011226704A (en) * | 2010-04-20 | 2011-11-10 | Mitsubishi Electric Corp | Refrigerating air conditioner, and refrigerating air conditioning system |
EP3358277A1 (en) * | 2015-09-30 | 2018-08-08 | Daikin Industries, Ltd. | Refrigerant leakage spot specifying method |
EP3193105A2 (en) * | 2016-01-13 | 2017-07-19 | Bergstrom, Inc. | Refrigeration system with superheating, subcooling and refrigerant charge level control |
GB2564312A (en) * | 2016-05-09 | 2019-01-09 | Mitsubishi Electric Corp | Refrigeration device |
JP2018105532A (en) * | 2016-12-26 | 2018-07-05 | カルソニックカンセイ株式会社 | Air conditioner |
WO2019053880A1 (en) * | 2017-09-15 | 2019-03-21 | 三菱電機株式会社 | Refrigeration air conditioner |
Non-Patent Citations (1)
Title |
---|
See also references of WO2020194490A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN113614473B (en) | 2022-12-20 |
WO2020194490A1 (en) | 2020-10-01 |
CN113614473A (en) | 2021-11-05 |
JP7154388B2 (en) | 2022-10-17 |
EP3951288A1 (en) | 2022-02-09 |
JPWO2020194490A1 (en) | 2021-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20210709 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20220218 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F25B 40/00 20060101ALI20220215BHEP Ipc: F25B 40/02 20060101ALI20220215BHEP Ipc: F25B 49/00 20060101ALI20220215BHEP Ipc: F25B 49/02 20060101AFI20220215BHEP |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |