GB201717955D0 - Refrigerant leakage detection device - Google Patents

Refrigerant leakage detection device

Info

Publication number
GB201717955D0
GB201717955D0 GBGB1717955.7A GB201717955A GB201717955D0 GB 201717955 D0 GB201717955 D0 GB 201717955D0 GB 201717955 A GB201717955 A GB 201717955A GB 201717955 D0 GB201717955 D0 GB 201717955D0
Authority
GB
United Kingdom
Prior art keywords
detection device
leakage detection
refrigerant leakage
refrigerant
leakage
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
GBGB1717955.7A
Other versions
GB2555256B (en
GB2555256A (en
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 GB201717955D0 publication Critical patent/GB201717955D0/en
Publication of GB2555256A publication Critical patent/GB2555256A/en
Application granted granted Critical
Publication of GB2555256B publication Critical patent/GB2555256B/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
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/003—Indoor unit with water as a heat sink or heat source
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/029—Control issues
    • F25B2313/0293—Control issues related to the indoor fan, e.g. controlling speed
    • 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
    • F25B2600/25—Control of valves
    • F25B2600/2507—Flow-diverting valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Thermal Sciences (AREA)
  • Ventilation (AREA)
  • Air Conditioning Control Device (AREA)
GB1717955.7A 2015-06-30 2015-06-30 Refrigerant leakage detection device Active GB2555256B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/068899 WO2017002213A1 (en) 2015-06-30 2015-06-30 Refrigerant leakage detection device

Publications (3)

Publication Number Publication Date
GB201717955D0 true GB201717955D0 (en) 2017-12-13
GB2555256A GB2555256A (en) 2018-04-25
GB2555256B GB2555256B (en) 2020-09-02

Family

ID=57608076

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1717955.7A Active GB2555256B (en) 2015-06-30 2015-06-30 Refrigerant leakage detection device

Country Status (3)

Country Link
JP (1) JP6333481B2 (en)
GB (1) GB2555256B (en)
WO (1) WO2017002213A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019077696A1 (en) * 2017-10-18 2019-04-25 三菱電機株式会社 Air conditioner
JP7067144B2 (en) * 2018-03-09 2022-05-16 三菱電機株式会社 Air conditioner
JP7243132B2 (en) * 2018-11-02 2023-03-22 三菱電機株式会社 heat pump equipment
EP3889514A4 (en) * 2018-11-30 2022-08-24 Hitachi-Johnson Controls Air Conditioning, Inc. Leak detecting device and leak detecting system
US11407287B2 (en) * 2019-04-11 2022-08-09 Carrier Corporation Refrigerant leak sensor pre-trip sequence and diagnostics
JP6866906B2 (en) * 2019-07-12 2021-04-28 ダイキン工業株式会社 Refrigeration cycle system
JP7079226B2 (en) * 2019-07-12 2022-06-01 ダイキン工業株式会社 Refrigerant cycle system equipped with a refrigerant leak notification device and a refrigerant leakage notification device
US11732916B2 (en) 2020-06-08 2023-08-22 Emerson Climate Technologies, Inc. Refrigeration leak detection
US11359846B2 (en) * 2020-07-06 2022-06-14 Emerson Climate Technologies, Inc. Refrigeration system leak detection
US11885516B2 (en) 2020-08-07 2024-01-30 Copeland Lp Refrigeration leak detection
US12104809B2 (en) 2021-04-26 2024-10-01 Therm-O-Disc, Incorporated Robust gas sensor for harsh environments
JP7260806B2 (en) * 2021-04-27 2023-04-19 ダイキン工業株式会社 Air conditioning system, operation control method thereof, and operation control device for air conditioning system
US20230235907A1 (en) * 2022-01-25 2023-07-27 Johnson Controls Tyco IP Holdings LLP Leakage detection and mitigation system
WO2024180589A1 (en) * 2023-02-27 2024-09-06 日本キヤリア株式会社 Air conditioner

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61135443U (en) * 1985-02-14 1986-08-23
JP3407441B2 (en) * 1994-12-20 2003-05-19 松下電器産業株式会社 Dehumidifier
JP4292525B2 (en) * 1999-07-15 2009-07-08 株式会社ヴァレオサーマルシステムズ Refrigerant amount detection method for vapor compression refrigeration cycle
JP2001041545A (en) * 1999-08-03 2001-02-16 Toshiba Kyaria Kk Air-conditioning device
JP2001170200A (en) * 1999-12-20 2001-06-26 Yamato Protec Co Checking method and checking system for fire extingushing equipment
JP3819815B2 (en) * 2002-08-07 2006-09-13 三洋電機株式会社 Refrigerant leak detection method for refrigerator
JP2005098642A (en) * 2003-09-26 2005-04-14 Hitachi Ltd Refrigeration air conditioner and refrigeration air conditioning system
JP2005176713A (en) * 2003-12-19 2005-07-07 Yokogawa Electric Corp Cereals-drying installation-monitoring system
JP4148925B2 (en) * 2004-06-28 2008-09-10 大阪瓦斯株式会社 Gas detector and gas alarm
JP5210510B2 (en) * 2006-10-13 2013-06-12 三菱重工業株式会社 Refrigerant filling amount determination method and refrigerant leakage detection method for multi-air conditioning system
JP5139481B2 (en) * 2010-07-20 2013-02-06 東京瓦斯株式会社 Alarm
JP5946606B2 (en) * 2011-03-16 2016-07-06 株式会社不二工機 Refrigerant leak detector
US9544977B2 (en) * 2011-06-30 2017-01-10 Lutron Electronics Co., Inc. Method of programming a load control device using a smart phone
JP5956728B2 (en) * 2011-07-13 2016-07-27 株式会社不二工機 Shut-off valve device
JP5838660B2 (en) * 2011-08-29 2016-01-06 株式会社ノーリツ Heat pump water heater
JP2014224612A (en) * 2011-09-16 2014-12-04 パナソニック株式会社 Air conditioner
JP2013250038A (en) * 2012-06-04 2013-12-12 Daikin Industries Ltd Refrigeration device management system
JP5958241B2 (en) * 2012-09-27 2016-07-27 株式会社ノーリツ Heat pump heat source machine
JP6221379B2 (en) * 2013-06-14 2017-11-01 ダイキン工業株式会社 Air conditioner maintenance method

Also Published As

Publication number Publication date
WO2017002213A1 (en) 2017-01-05
GB2555256B (en) 2020-09-02
GB2555256A (en) 2018-04-25
JPWO2017002213A1 (en) 2017-09-28
JP6333481B2 (en) 2018-05-30

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