EP3859249A4 - Refrigerant leakage determination device, freezing device including this refrigerant leakage determination device, and refrigerant leakage determination method - Google Patents

Refrigerant leakage determination device, freezing device including this refrigerant leakage determination device, and refrigerant leakage determination method Download PDF

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Publication number
EP3859249A4
EP3859249A4 EP19865774.4A EP19865774A EP3859249A4 EP 3859249 A4 EP3859249 A4 EP 3859249A4 EP 19865774 A EP19865774 A EP 19865774A EP 3859249 A4 EP3859249 A4 EP 3859249A4
Authority
EP
European Patent Office
Prior art keywords
refrigerant leakage
leakage determination
determination device
freezing
device including
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.)
Granted
Application number
EP19865774.4A
Other languages
German (de)
French (fr)
Other versions
EP3859249B1 (en
EP3859249A1 (en
Inventor
Kiichirou Satou
Masataka Nakano
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP3859249A1 publication Critical patent/EP3859249A1/en
Publication of EP3859249A4 publication Critical patent/EP3859249A4/en
Application granted granted Critical
Publication of EP3859249B1 publication Critical patent/EP3859249B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control 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
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/19—Calculation of parameters
    • 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
    • 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
EP19865774.4A 2018-09-28 2019-09-26 Refrigerant leakage determination device, freezing device including this refrigerant leakage determination device, and refrigerant leakage determination method Active EP3859249B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018185173A JP6887979B2 (en) 2018-09-28 2018-09-28 Refrigerant leakage determination device, refrigeration device equipped with this refrigerant leakage determination device, and refrigerant leakage determination method
PCT/JP2019/037874 WO2020067296A1 (en) 2018-09-28 2019-09-26 Refrigerant leakage determination device, freezing device including this refrigerant leakage determination device, and refrigerant leakage determination method

Publications (3)

Publication Number Publication Date
EP3859249A1 EP3859249A1 (en) 2021-08-04
EP3859249A4 true EP3859249A4 (en) 2021-11-03
EP3859249B1 EP3859249B1 (en) 2023-08-30

Family

ID=69953139

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19865774.4A Active EP3859249B1 (en) 2018-09-28 2019-09-26 Refrigerant leakage determination device, freezing device including this refrigerant leakage determination device, and refrigerant leakage determination method

Country Status (6)

Country Link
US (1) US20220034568A1 (en)
EP (1) EP3859249B1 (en)
JP (1) JP6887979B2 (en)
CN (1) CN112752938B (en)
DK (1) DK3859249T3 (en)
WO (1) WO2020067296A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11971183B2 (en) 2021-12-14 2024-04-30 Trane International Inc. Systems and methods for refrigerant leak detection in a climate control system

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE544494C2 (en) * 2020-10-21 2022-06-21 Senseair Ab Temperature controller for a temperature control mechanism
DE102020130850B3 (en) * 2020-11-23 2022-04-28 Viessmann Refrigeration Solutions Gmbh Method for detecting leaks in a refrigeration circuit of a compression refrigeration machine and leak detection system
JP7197814B2 (en) * 2021-05-21 2022-12-28 ダイキン工業株式会社 Refrigerant leak detection system
CN113687670B (en) * 2021-08-02 2022-09-16 北京京仪自动化装备技术股份有限公司 Temperature control method and temperature control system of heat exchanger
WO2023199425A1 (en) * 2022-04-13 2023-10-19 三菱電機株式会社 Refrigerant leak detection system and leak detection device

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JP2009002650A (en) * 2008-10-06 2009-01-08 Daikin Ind Ltd Abnormality diagnosis system
EP2546588A1 (en) * 2010-03-12 2013-01-16 Mitsubishi Electric Corporation Refrigeration air conditioning device
US20170268811A1 (en) * 2014-11-04 2017-09-21 Mitsubishi Electric Corporation Refrigeration cycle apparatus, and abnormality detection system for refrigeration cycle apparatus

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JPH05272849A (en) * 1991-11-15 1993-10-22 Oki Electric Ind Co Ltd Method and device for predicting deterioration of heat exchanger
JP3357736B2 (en) * 1994-01-28 2002-12-16 三洋電機株式会社 Air conditioner
US6205798B1 (en) * 1999-01-19 2001-03-27 Carrier Corporation Test for the automated detection of leaks between high and low pressure sides of a refrigeration system
JP4113700B2 (en) * 2001-11-16 2008-07-09 三菱電機株式会社 Liquid level detection device, liquid reservoir, refrigeration cycle device, and refrigerant leakage detection system
JP4018374B2 (en) * 2001-11-21 2007-12-05 株式会社山武 Air conditioner abnormality detection device, abnormality detection method, and program
JP4458349B2 (en) * 2004-08-27 2010-04-28 日立アプライアンス株式会社 Device diagnostic device, operation program thereof, device diagnostic method
JP4124228B2 (en) * 2005-12-16 2008-07-23 ダイキン工業株式会社 Air conditioner
JP2007225158A (en) * 2006-02-21 2007-09-06 Mitsubishi Electric Corp Defrosting operation control device and method
WO2009091399A1 (en) * 2008-01-17 2009-07-23 Carrier Corporation Detection of co2 leakage in a container
JP5040975B2 (en) * 2008-09-30 2012-10-03 ダイキン工業株式会社 Leakage diagnostic device
JP2010127568A (en) * 2008-11-28 2010-06-10 Mitsubishi Electric Corp Abnormality detection device and refrigerating cycle device including the same
JP2013204871A (en) 2012-03-28 2013-10-07 Hitachi Appliances Inc Air conditioner
US10139803B2 (en) * 2014-04-16 2018-11-27 Mitsubishi Electric Corporation Instruction value generation device
JP2015222151A (en) * 2014-05-23 2015-12-10 日立アプライアンス株式会社 Outdoor unit of air conditioner
JP2016090177A (en) * 2014-11-07 2016-05-23 東芝キヤリア株式会社 Refrigeration cycle device
EP3290816B1 (en) * 2015-04-28 2024-01-31 Mitsubishi Electric Corporation Monitoring device and method for air conditioner
WO2017219230A1 (en) * 2016-06-21 2017-12-28 马玉琴 Air conditioner and refrigerant leakage detecting method therefor
US10697655B2 (en) * 2016-12-28 2020-06-30 Pure Humidifier Company Modulating makeup fluid control systems and methods for same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009002650A (en) * 2008-10-06 2009-01-08 Daikin Ind Ltd Abnormality diagnosis system
EP2546588A1 (en) * 2010-03-12 2013-01-16 Mitsubishi Electric Corporation Refrigeration air conditioning device
US20170268811A1 (en) * 2014-11-04 2017-09-21 Mitsubishi Electric Corporation Refrigeration cycle apparatus, and abnormality detection system for refrigeration cycle apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11971183B2 (en) 2021-12-14 2024-04-30 Trane International Inc. Systems and methods for refrigerant leak detection in a climate control system

Also Published As

Publication number Publication date
EP3859249B1 (en) 2023-08-30
JP2020056509A (en) 2020-04-09
CN112752938A (en) 2021-05-04
JP6887979B2 (en) 2021-06-16
WO2020067296A1 (en) 2020-04-02
CN112752938B (en) 2022-08-30
US20220034568A1 (en) 2022-02-03
DK3859249T3 (en) 2023-11-13
EP3859249A1 (en) 2021-08-04

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