EP3859249A4 - Kältemittelleckbestimmungsvorrichtung, gefriervorrichtung mit dieser kältemittelleckbestimmungsvorrichtung und kältemittelleckbestimmungsverfahren - Google Patents

Kältemittelleckbestimmungsvorrichtung, gefriervorrichtung mit dieser kältemittelleckbestimmungsvorrichtung und kältemittelleckbestimmungsverfahren 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 leak
leak 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
English (en)
French (fr)
Other versions
EP3859249B1 (de
EP3859249A1 (de
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/de
Publication of EP3859249A4 publication Critical patent/EP3859249A4/de
Application granted granted Critical
Publication of EP3859249B1 publication Critical patent/EP3859249B1/de
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—Component parts or details not otherwise provided for in this subclass
    • 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

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)
EP19865774.4A 2018-09-28 2019-09-26 Kältemittelleckbestimmungsvorrichtung, gefriervorrichtung mit dieser kältemittelleckbestimmungsvorrichtung und kältemittelleckbestimmungsverfahren Active EP3859249B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018185173A JP6887979B2 (ja) 2018-09-28 2018-09-28 冷媒漏洩判定装置、この冷媒漏洩判定装置を備える冷凍装置、及び冷媒漏洩判定方法
PCT/JP2019/037874 WO2020067296A1 (ja) 2018-09-28 2019-09-26 冷媒漏洩判定装置、この冷媒漏洩判定装置を備える冷凍装置、及び冷媒漏洩判定方法

Publications (3)

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

Family

ID=69953139

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19865774.4A Active EP3859249B1 (de) 2018-09-28 2019-09-26 Kältemittelleckbestimmungsvorrichtung, gefriervorrichtung mit dieser kältemittelleckbestimmungsvorrichtung und kältemittelleckbestimmungsverfahren

Country Status (6)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11971183B2 (en) 2019-09-05 2024-04-30 Trane International Inc. Systems and methods for refrigerant leak detection in a climate control system
US12117191B2 (en) 2022-06-24 2024-10-15 Trane International Inc. Climate control system with improved leak detector
US12487008B2 (en) 2022-01-14 2025-12-02 Trane International Inc. Method of commissioning an HVAC system

Families Citing this family (7)

* 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 (de) * 2020-11-23 2022-04-28 Viessmann Refrigeration Solutions Gmbh Verfahren zum Erkennen von Leckagen in einem Kältekreis einer Kompressionskältemaschine und Leckagedetektiersystem
JP7197814B2 (ja) * 2021-05-21 2022-12-28 ダイキン工業株式会社 冷媒漏洩検知システム
CN113687670B (zh) * 2021-08-02 2022-09-16 北京京仪自动化装备技术股份有限公司 热交换器温控方法及温控系统
JPWO2023199425A1 (de) * 2022-04-13 2023-10-19
JP7534664B2 (ja) * 2022-12-26 2024-08-15 ダイキン工業株式会社 冷媒漏洩判定方法及び冷凍サイクル装置
DE102023100871A1 (de) * 2023-01-16 2024-07-18 Diehl Ako Stiftung & Co. Kg Verfahren zum Überwachen von Arbeitsmittelverlust aus einer Wärmepumpe

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JP2009002650A (ja) * 2008-10-06 2009-01-08 Daikin Ind Ltd 異常診断システム
EP2546588A1 (de) * 2010-03-12 2013-01-16 Mitsubishi Electric Corporation Kälteklimaanlage
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 (ja) * 1991-11-15 1993-10-22 Oki Electric Ind Co Ltd 熱交換機の劣化予測方法およびその装置
JP3357736B2 (ja) * 1994-01-28 2002-12-16 三洋電機株式会社 空気調和装置
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 (ja) * 2001-11-16 2008-07-09 三菱電機株式会社 液面検出装置、液溜、冷凍サイクル装置、及び、冷媒漏出検出システム
JP4018374B2 (ja) * 2001-11-21 2007-12-05 株式会社山武 空気調和機の異常検出装置、異常検出方法及びプログラム
JP4458349B2 (ja) * 2004-08-27 2010-04-28 日立アプライアンス株式会社 機器診断装置、その動作プログラム、機器診断方法
JP4124228B2 (ja) * 2005-12-16 2008-07-23 ダイキン工業株式会社 空気調和装置
JP2007225158A (ja) * 2006-02-21 2007-09-06 Mitsubishi Electric Corp 除霜運転制御装置および除霜運転制御方法
WO2009091399A1 (en) * 2008-01-17 2009-07-23 Carrier Corporation Detection of co2 leakage in a container
JP5040975B2 (ja) * 2008-09-30 2012-10-03 ダイキン工業株式会社 漏洩診断装置
JP2010127568A (ja) * 2008-11-28 2010-06-10 Mitsubishi Electric Corp 異常検出装置およびそれを備えた冷凍サイクル装置
JP2013204871A (ja) 2012-03-28 2013-10-07 Hitachi Appliances Inc 空気調和機
DE112014006594B4 (de) * 2014-04-16 2023-07-13 Mitsubishi Electric Corporation Anweisungswerterzeugungsvorrichtung
JP2015222151A (ja) * 2014-05-23 2015-12-10 日立アプライアンス株式会社 空気調和機の室外機
JP2016090177A (ja) * 2014-11-07 2016-05-23 東芝キヤリア株式会社 冷凍サイクル装置
EP3290816B1 (de) * 2015-04-28 2024-01-31 Mitsubishi Electric Corporation Überwachungsvorrichtung und verfahren für eine klimaanlage
WO2017219230A1 (zh) * 2016-06-21 2017-12-28 马玉琴 空调器及其冷媒泄漏检测的方法
CA2990498A1 (en) * 2016-12-28 2018-06-28 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 (ja) * 2008-10-06 2009-01-08 Daikin Ind Ltd 異常診断システム
EP2546588A1 (de) * 2010-03-12 2013-01-16 Mitsubishi Electric Corporation Kälteklimaanlage
US20170268811A1 (en) * 2014-11-04 2017-09-21 Mitsubishi Electric Corporation Refrigeration cycle apparatus, and abnormality detection system for refrigeration cycle apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11971183B2 (en) 2019-09-05 2024-04-30 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

Also Published As

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

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