EP3951288A4 - Unité extérieure et dispositif à cycle de réfrigération équipé de ladite unité - Google Patents

Unité extérieure et dispositif à cycle de réfrigération équipé de ladite unité Download PDF

Info

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
outdoor unit
circuit device
device equipped
refrigeration circuit
refrigeration
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
Application number
EP19922100.3A
Other languages
German (de)
English (en)
Other versions
EP3951288A1 (fr
Inventor
Shintaro KOYAMA
Hiroki Sato
Yusuke Arii
Tomotaka Ishikawa
Ryo TSUKIYAMA
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 EP3951288A1 publication Critical patent/EP3951288A1/fr
Publication of EP3951288A4 publication Critical patent/EP3951288A4/fr
Pending legal-status Critical Current

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—Component parts or details not otherwise provided for in this subclass
    • 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—Component parts or details not otherwise provided for in this subclass
    • 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)
EP19922100.3A 2019-03-26 2019-03-26 Unité extérieure et dispositif à cycle de réfrigération équipé de ladite unité Pending EP3951288A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/012745 WO2020194490A1 (fr) 2019-03-26 2019-03-26 Unité extérieure et dispositif à cycle de réfrigération équipé de ladite unité

Publications (2)

Publication Number Publication Date
EP3951288A1 EP3951288A1 (fr) 2022-02-09
EP3951288A4 true EP3951288A4 (fr) 2022-03-23

Family

ID=72609336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19922100.3A Pending EP3951288A4 (fr) 2019-03-26 2019-03-26 Unité extérieure et dispositif à cycle de réfrigération équipé de ladite unité

Country Status (4)

Country Link
EP (1) EP3951288A4 (fr)
JP (1) JP7154388B2 (fr)
CN (1) CN113614473B (fr)
WO (1) WO2020194490A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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
US12487008B2 (en) 2022-01-14 2025-12-02 Trane International Inc. Method of commissioning an HVAC system
US12117191B2 (en) 2022-06-24 2024-10-15 Trane International Inc. Climate control system with improved leak detector
ES2946857B2 (es) * 2023-01-30 2023-10-25 Univ Valencia Politecnica Método y sensor de detección de fugas de refrigerante

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005043008A (ja) * 2003-07-24 2005-02-17 Denso Corp 冷凍サイクル装置
US20070089438A1 (en) * 2005-10-21 2007-04-26 Abtar Singh Monitoring refrigerant in a refrigeration system
JP2011226704A (ja) * 2010-04-20 2011-11-10 Mitsubishi Electric Corp 冷凍空調装置並びに冷凍空調システム
EP3193105A2 (fr) * 2016-01-13 2017-07-19 Bergstrom, Inc. Système de réfrigération avec surchauffe, sous-refroidissement et commande de niveau de charge de fluide frigorigène
JP2018105532A (ja) * 2016-12-26 2018-07-05 カルソニックカンセイ株式会社 空調装置
EP3358277A1 (fr) * 2015-09-30 2018-08-08 Daikin Industries, Ltd. Procédé de spécification de point de fuite de réfrigérant
GB2564312A (en) * 2016-05-09 2019-01-09 Mitsubishi Electric Corp Refrigeration device
WO2019053880A1 (fr) * 2017-09-15 2019-03-21 三菱電機株式会社 Climatiseur de réfrigération

Family Cites Families (17)

* Cited by examiner, † Cited by third party
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 (ja) * 1993-08-26 2001-06-18 松下電器産業株式会社 冷凍サイクルの飽和蒸気温度検出回路
JP2006214617A (ja) * 2005-02-02 2006-08-17 Matsushita Electric Ind Co Ltd 空気調和機
JP4317878B2 (ja) * 2007-01-05 2009-08-19 日立アプライアンス株式会社 空気調和機及びその冷媒量判定方法
US20090037142A1 (en) * 2007-07-30 2009-02-05 Lawrence Kates Portable method and apparatus for monitoring refrigerant-cycle systems
JP5674452B2 (ja) 2010-12-22 2015-02-25 三菱電機株式会社 冷凍装置
EP3705800A3 (fr) * 2012-07-03 2020-12-23 Samsung Electronics Co., Ltd. Procédé de commande de diagnostic pour climatiseur
US20150059373A1 (en) * 2013-09-05 2015-03-05 Beckett Performance Products, Llc Superheat and sub-cooling control of refrigeration system
WO2015111222A1 (fr) * 2014-01-27 2015-07-30 三菱電機株式会社 Dispositif de réfrigération
KR20160099938A (ko) * 2015-02-13 2016-08-23 주식회사 대유위니아 냉장고의 냉매 누설 감지 방법
KR101710941B1 (ko) * 2015-12-18 2017-02-28 서울대학교산학협력단 히트펌프 시스템의 냉매량 판단방법
JP6737295B2 (ja) * 2017-04-05 2020-08-05 株式会社デンソー 冷媒漏れ検知装置、冷凍サイクル装置
CN112513541B (zh) * 2018-08-09 2022-04-26 三菱电机株式会社 制冷循环装置
WO2020065999A1 (fr) * 2018-09-28 2020-04-02 三菱電機株式会社 Unité extérieure pour dispositif à cycle frigorifique, dispositif à cycle frigorifique, et dispositif de climatisation
WO2020079771A1 (fr) * 2018-10-17 2020-04-23 三菱電機株式会社 Unité extérieure et dispositif à cycle frigorifique pourvue de celle-ci
WO2020144738A1 (fr) * 2019-01-08 2020-07-16 三菱電機株式会社 Climatiseur
CN110162013A (zh) * 2019-05-29 2019-08-23 上海理工大学 一种制冷系统故障诊断方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005043008A (ja) * 2003-07-24 2005-02-17 Denso Corp 冷凍サイクル装置
US20070089438A1 (en) * 2005-10-21 2007-04-26 Abtar Singh Monitoring refrigerant in a refrigeration system
JP2011226704A (ja) * 2010-04-20 2011-11-10 Mitsubishi Electric Corp 冷凍空調装置並びに冷凍空調システム
EP3358277A1 (fr) * 2015-09-30 2018-08-08 Daikin Industries, Ltd. Procédé de spécification de point de fuite de réfrigérant
EP3193105A2 (fr) * 2016-01-13 2017-07-19 Bergstrom, Inc. Système de réfrigération avec surchauffe, sous-refroidissement et commande de niveau de charge de fluide frigorigène
GB2564312A (en) * 2016-05-09 2019-01-09 Mitsubishi Electric Corp Refrigeration device
JP2018105532A (ja) * 2016-12-26 2018-07-05 カルソニックカンセイ株式会社 空調装置
WO2019053880A1 (fr) * 2017-09-15 2019-03-21 三菱電機株式会社 Climatiseur de réfrigération

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020194490A1 *

Also Published As

Publication number Publication date
JP7154388B2 (ja) 2022-10-17
WO2020194490A1 (fr) 2020-10-01
JPWO2020194490A1 (ja) 2021-11-11
EP3951288A1 (fr) 2022-02-09
CN113614473B (zh) 2022-12-20
CN113614473A (zh) 2021-11-05

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