EP3306237B1 - Refrigeration cycle device and method for detecting coolant leakage - Google Patents

Refrigeration cycle device and method for detecting coolant leakage Download PDF

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Publication number
EP3306237B1
EP3306237B1 EP16863952.4A EP16863952A EP3306237B1 EP 3306237 B1 EP3306237 B1 EP 3306237B1 EP 16863952 A EP16863952 A EP 16863952A EP 3306237 B1 EP3306237 B1 EP 3306237B1
Authority
EP
European Patent Office
Prior art keywords
refrigerant
heat insulating
temperature
indoor
temperature sensor
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
Application number
EP16863952.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3306237A4 (en
EP3306237A1 (en
Inventor
Yasuhiro Suzuki
Takao Komai
Akira Maeda
Mitsuru KAWASHIMA
Masahiko Takagi
Kenyu Tanaka
Kazuki Watanabe
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 EP3306237A1 publication Critical patent/EP3306237A1/en
Publication of EP3306237A4 publication Critical patent/EP3306237A4/en
Application granted granted Critical
Publication of EP3306237B1 publication Critical patent/EP3306237B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25B49/02—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
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
    • F25B2500/222—Detecting refrigerant leaks
EP16863952.4A 2015-11-09 2016-10-17 Refrigeration cycle device and method for detecting coolant leakage Active EP3306237B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/JP2015/081514 WO2017081735A1 (ja) 2015-11-09 2015-11-09 冷凍サイクル装置及び冷媒漏洩検知方法
PCT/JP2016/080641 WO2017081988A1 (ja) 2015-11-09 2016-10-17 冷凍サイクル装置及び冷媒漏洩検知方法

Publications (3)

Publication Number Publication Date
EP3306237A1 EP3306237A1 (en) 2018-04-11
EP3306237A4 EP3306237A4 (en) 2018-06-06
EP3306237B1 true EP3306237B1 (en) 2019-06-19

Family

ID=58695015

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16863952.4A Active EP3306237B1 (en) 2015-11-09 2016-10-17 Refrigeration cycle device and method for detecting coolant leakage

Country Status (5)

Country Link
US (1) US20180292118A1 (zh)
EP (1) EP3306237B1 (zh)
JP (1) JP6157789B1 (zh)
CN (1) CN108351139B (zh)
WO (2) WO2017081735A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017109824A1 (ja) * 2015-12-21 2017-06-29 三菱電機株式会社 冷凍サイクル装置
US10859299B2 (en) * 2016-11-16 2020-12-08 Mitsubishi Electric Corporation Air-conditioning apparatus and refrigerant leakage detection method
CN111189250B (zh) * 2018-11-15 2021-05-25 青岛海尔空调器有限总公司 一种制冷设备
JP6614389B1 (ja) 2019-07-12 2019-12-04 ダイキン工業株式会社 冷凍装置の室内機
WO2021050699A1 (en) * 2019-09-12 2021-03-18 Carrier Corporation Initial power up or power outage refrigerant purge
US11248849B2 (en) 2019-10-15 2022-02-15 Lennox Industries Inc. Detecting loss of charge in HVAC systems
WO2022244158A1 (ja) * 2021-05-19 2022-11-24 三菱電機株式会社 冷媒漏洩検知装置及び冷媒漏洩検知方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10122711A (ja) * 1996-10-18 1998-05-15 Matsushita Electric Ind Co Ltd 冷凍サイクル制御装置
JP2000146375A (ja) * 1998-11-05 2000-05-26 Hitachi Ltd 冷凍装置
JP2000230761A (ja) * 1999-02-09 2000-08-22 Zexel Corp 冷媒漏洩検出手段の取付構造
CN100513941C (zh) * 2001-09-19 2009-07-15 株式会社东芝 制冷冰箱的控制装置和冷媒泄漏判断方法
JP2007078203A (ja) * 2005-09-12 2007-03-29 Matsushita Electric Ind Co Ltd 配管温度センサー取り付け部品
JP2009068772A (ja) * 2007-09-13 2009-04-02 Nissan Motor Co Ltd 空調装置，シール状態検出方法及び冷媒漏れ検出器
JP5881435B2 (ja) * 2012-01-27 2016-03-09 三菱電機株式会社 熱交換器及びこれを備えた空気調和機
CN204100499U (zh) * 2013-08-26 2015-01-14 三菱电机株式会社 空调装置
JP5818849B2 (ja) * 2013-08-26 2015-11-18 三菱電機株式会社 空気調和装置および冷媒漏洩検知方法
JP5665937B1 (ja) * 2013-09-13 2015-02-04 三菱電機株式会社 冷凍サイクル装置
JP2016125694A (ja) * 2014-12-26 2016-07-11 ダイキン工業株式会社 空気調和装置の室内機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2017081988A1 (ja) 2017-05-18
JP6157789B1 (ja) 2017-07-05
CN108351139A (zh) 2018-07-31
WO2017081735A1 (ja) 2017-05-18
EP3306237A4 (en) 2018-06-06
EP3306237A1 (en) 2018-04-11
JPWO2017081988A1 (ja) 2017-11-09
US20180292118A1 (en) 2018-10-11
CN108351139B (zh) 2020-10-20

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