GB2555256B - Refrigerant leakage detection device - Google Patents

Refrigerant leakage detection device Download PDF

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Publication number
GB2555256B
GB2555256B GB1717955.7A GB201717955A GB2555256B GB 2555256 B GB2555256 B GB 2555256B GB 201717955 A GB201717955 A GB 201717955A GB 2555256 B GB2555256 B GB 2555256B
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.)
Active
Application number
GB1717955.7A
Other versions
GB201717955D0 (en
GB2555256A (en
Inventor
Nasu Motoshi
Inoue Takuya
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
    • 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
    • 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
    • F24F11/62—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)
  • Thermal Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)
  • Ventilation (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 GB201717955D0 (en) 2017-12-13
GB2555256A GB2555256A (en) 2018-04-25
GB2555256B true 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)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11359846B2 (en) 2020-07-06 2022-06-14 Emerson Climate Technologies, Inc. Refrigeration system leak detection
US11713893B2 (en) 2020-06-08 2023-08-01 Emerson Climate Technologies, Inc. Refrigeration leak detection
US11885516B2 (en) 2020-08-07 2024-01-30 Copeland Lp Refrigeration leak detection
US12044422B2 (en) * 2019-07-12 2024-07-23 Daikin Industries, Ltd. Refrigeration cycle system

Families Citing this family (6)

* 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
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

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08178480A (en) * 1994-12-20 1996-07-12 Matsushita Electric Ind Co Ltd Dehumidifier
JP2001027461A (en) * 1999-07-15 2001-01-30 Zexel Valeo Climate Control Corp Method for detecting quantity of refrigerant in vapor compression refrigeration cycle
JP2001041545A (en) * 1999-08-03 2001-02-16 Toshiba Kyaria Kk Air-conditioning device
JP2004069198A (en) * 2002-08-07 2004-03-04 Sanyo Electric Co Ltd Refrigerant leak detecting 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
JP2008096051A (en) * 2006-10-13 2008-04-24 Mitsubishi Heavy Ind Ltd Coolant charged amount determining method and coolant leakage detecting method for multiple type air conditioning system
JP2010231821A (en) * 2010-07-20 2010-10-14 Tokyo Gas Co Ltd Alarm
JP2012193884A (en) * 2011-03-16 2012-10-11 Fuji Koki Corp Refrigerant leakage detector
JP2013019621A (en) * 2011-07-13 2013-01-31 Fuji Koki Corp Cutoff valve device
JP2013047591A (en) * 2011-08-29 2013-03-07 Noritz Corp Heat pump water heater
WO2013038704A1 (en) * 2011-09-16 2013-03-21 パナソニック株式会社 Air conditioner
JP2014066480A (en) * 2012-09-27 2014-04-17 Noritz Corp Heat pump type heat source

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61135443U (en) * 1985-02-14 1986-08-23
JP2001170200A (en) * 1999-12-20 2001-06-26 Yamato Protec Co Checking method and checking system for fire extingushing equipment
JP4148925B2 (en) * 2004-06-28 2008-09-10 大阪瓦斯株式会社 Gas detector and gas alarm
US9544977B2 (en) * 2011-06-30 2017-01-10 Lutron Electronics Co., Inc. Method of programming a load control device using a smart phone
JP2013250038A (en) * 2012-06-04 2013-12-12 Daikin Industries Ltd Refrigeration device management system
JP6221379B2 (en) * 2013-06-14 2017-11-01 ダイキン工業株式会社 Air conditioner maintenance method

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08178480A (en) * 1994-12-20 1996-07-12 Matsushita Electric Ind Co Ltd Dehumidifier
JP2001027461A (en) * 1999-07-15 2001-01-30 Zexel Valeo Climate Control Corp Method for detecting quantity of refrigerant in vapor compression refrigeration cycle
JP2001041545A (en) * 1999-08-03 2001-02-16 Toshiba Kyaria Kk Air-conditioning device
JP2004069198A (en) * 2002-08-07 2004-03-04 Sanyo Electric Co Ltd Refrigerant leak detecting 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
JP2008096051A (en) * 2006-10-13 2008-04-24 Mitsubishi Heavy Ind Ltd Coolant charged amount determining method and coolant leakage detecting method for multiple type air conditioning system
JP2010231821A (en) * 2010-07-20 2010-10-14 Tokyo Gas Co Ltd Alarm
JP2012193884A (en) * 2011-03-16 2012-10-11 Fuji Koki Corp Refrigerant leakage detector
JP2013019621A (en) * 2011-07-13 2013-01-31 Fuji Koki Corp Cutoff valve device
JP2013047591A (en) * 2011-08-29 2013-03-07 Noritz Corp Heat pump water heater
WO2013038704A1 (en) * 2011-09-16 2013-03-21 パナソニック株式会社 Air conditioner
JP2014066480A (en) * 2012-09-27 2014-04-17 Noritz Corp Heat pump type heat source

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12044422B2 (en) * 2019-07-12 2024-07-23 Daikin Industries, Ltd. Refrigeration cycle system
US11713893B2 (en) 2020-06-08 2023-08-01 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

Also Published As

Publication number Publication date
GB201717955D0 (en) 2017-12-13
GB2555256A (en) 2018-04-25
WO2017002213A1 (en) 2017-01-05
JPWO2017002213A1 (en) 2017-09-28
JP6333481B2 (en) 2018-05-30

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