EP2354724A3 - Air conditioner and method for controlling air conditioner - Google Patents

Air conditioner and method for controlling air conditioner Download PDF

Info

Publication number
EP2354724A3
EP2354724A3 EP11153578.7A EP11153578A EP2354724A3 EP 2354724 A3 EP2354724 A3 EP 2354724A3 EP 11153578 A EP11153578 A EP 11153578A EP 2354724 A3 EP2354724 A3 EP 2354724A3
Authority
EP
European Patent Office
Prior art keywords
air conditioner
controlling
refrigerant leak
cycle change
controlling air
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
EP11153578.7A
Other languages
German (de)
French (fr)
Other versions
EP2354724B1 (en
EP2354724A2 (en
Inventor
Kiback Kwon
Sunghwan Kim
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2354724A2 publication Critical patent/EP2354724A2/en
Publication of EP2354724A3 publication Critical patent/EP2354724A3/en
Application granted granted Critical
Publication of EP2354724B1 publication Critical patent/EP2354724B1/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
    • F24F11/30—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
    • 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
    • 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
    • F24F11/52—Indication arrangements, e.g. displays
    • 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
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1931—Discharge pressures
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

Provided are an air conditioner, which detects refrigerant leak in real time, and a method for controlling the air conditioner. The method for controlling an air conditioner includes: tracking a cycle change from operating variables of the air conditioner; detecting refrigerant leak from the cycle change; and representing result of the detecting refrigerant leak.
EP11153578.7A 2010-02-08 2011-02-07 Air conditioner and method for controlling air conditioner Active EP2354724B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100011515A KR101155345B1 (en) 2010-02-08 2010-02-08 Air conditioner and method for controlling of air conditioner

Publications (3)

Publication Number Publication Date
EP2354724A2 EP2354724A2 (en) 2011-08-10
EP2354724A3 true EP2354724A3 (en) 2014-11-26
EP2354724B1 EP2354724B1 (en) 2024-04-03

Family

ID=44070033

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11153578.7A Active EP2354724B1 (en) 2010-02-08 2011-02-07 Air conditioner and method for controlling air conditioner

Country Status (3)

Country Link
EP (1) EP2354724B1 (en)
KR (1) KR101155345B1 (en)
CN (1) CN102147142B (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103791594B (en) * 2012-10-30 2017-02-01 珠海格力电器股份有限公司 Heat pump air conditioning system and control method for preventing internal leakage of system
CN104567158B (en) * 2014-12-19 2017-02-22 李宁 System and method for controlling leakage amount of refrigerant of refrigerator system
CN104949411B (en) * 2015-06-09 2018-07-17 广东美的暖通设备有限公司 A kind of refrigerant amount detecting device, air-conditioning and detection method with the detection device
JP6590945B2 (en) * 2015-12-11 2019-10-16 三菱電機株式会社 Refrigeration equipment
CN105546771B (en) * 2016-02-29 2018-05-08 美的集团武汉制冷设备有限公司 The method and apparatus of air-conditioner coolant leak detection
JP6825336B2 (en) * 2016-11-30 2021-02-03 ダイキン工業株式会社 Refrigeration equipment
JP6875423B2 (en) * 2017-01-19 2021-05-26 三菱電機株式会社 Refrigeration cycle equipment
IL252452B (en) * 2017-05-23 2021-12-01 Smartgreen Ltd Methods for detection of lack of refrigerant in multi-cooling location cooling systems
CN107341520B (en) * 2017-07-10 2019-10-01 美的集团股份有限公司 Judgment method, server and the computer readable storage medium of breakdown of refrigerator
CN110375468B (en) 2018-04-13 2022-10-11 开利公司 Air-cooled heat pump system, and refrigerant leakage detection method and detection system for same
CN110375466B (en) 2018-04-13 2022-10-28 开利公司 Device and method for detecting refrigerant leakage of air source heat pump system
CN110836434B (en) * 2018-08-16 2021-06-25 奥克斯空调股份有限公司 Air conditioner refrigerant leakage detection method and device
CN110836519B (en) * 2018-08-16 2021-06-22 奥克斯空调股份有限公司 Air conditioner refrigerant leakage detection method and detection system
CN110857804B (en) * 2018-08-24 2021-04-27 奥克斯空调股份有限公司 Air conditioner refrigerant leakage fault detection method and air conditioner
JP6732862B2 (en) * 2018-12-06 2020-07-29 三菱電機株式会社 Refrigeration equipment
CN110044033A (en) * 2019-04-29 2019-07-23 广东美的制冷设备有限公司 Refrigerant leakage detection method, system and the air-conditioning of air-conditioning
US11231198B2 (en) 2019-09-05 2022-01-25 Trane International Inc. Systems and methods for refrigerant leak detection in a climate control system
CN111520870B (en) * 2020-03-26 2022-05-10 青岛海信日立空调系统有限公司 Air conditioning system
JP2020169807A (en) * 2020-07-08 2020-10-15 三菱電機株式会社 Refrigeration equipment
US12117191B2 (en) 2022-06-24 2024-10-15 Trane International Inc. Climate control system with improved leak detector

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1270292A2 (en) * 2001-06-27 2003-01-02 Behr GmbH & Co. Method for detecting refrigerant loss in a refrigerant circuit and cooling or air conditioning installation
US20040159114A1 (en) * 2000-12-11 2004-08-19 Behr Gmbh & Co. Method of monitoring refrigerant level
JP2006292211A (en) * 2005-04-07 2006-10-26 Daikin Ind Ltd Air conditioner
US20070204635A1 (en) * 2005-02-24 2007-09-06 Mitsubishi Denki Kabushiki Kaisha Air Conditioning Apparatus
EP1876403A1 (en) * 2005-04-07 2008-01-09 Daikin Industries, Ltd. Air conditioner coolant amount judgment system
EP1970651A1 (en) * 2006-09-21 2008-09-17 Mitsubishi Electric Corporation Refrigerating/air conditioning system having refrigerant learage detecting function, refrigerator/air conditioner and method for detecting leakage of refrigerant

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10122711A (en) * 1996-10-18 1998-05-15 Matsushita Electric Ind Co Ltd Refrigeration cycle control device
KR100432224B1 (en) * 2002-05-01 2004-05-20 삼성전자주식회사 Refrigerant leakage detecting method for air conditioner
CN1566826A (en) * 2003-06-17 2005-01-19 乐金电子(天津)电器有限公司 Air-conditioner with one outdoor set and multiple indoor sets and its control method
CN100580347C (en) * 2005-04-07 2010-01-13 大金工业株式会社 Refrigerant Quantity Judgment System for Air Conditioning Devices
CN1888644A (en) * 2005-06-27 2007-01-03 乐金电子(天津)电器有限公司 Air conditioner refrigerant leakaging sensing method
KR100857598B1 (en) * 2007-02-09 2008-09-09 삼성전자주식회사 Refrigerant leak detection method of air conditioner
JP4806793B2 (en) * 2007-10-04 2011-11-02 群馬県 Refrigerant leak detection method for refrigeration equipment
JP4412385B2 (en) * 2007-10-22 2010-02-10 三菱電機株式会社 Refrigerant leak detection method for refrigeration cycle equipment
KR101282038B1 (en) * 2008-03-19 2013-07-04 삼성전자주식회사 Air conditioner and method of controlling the same
JP2009236332A (en) * 2008-03-26 2009-10-15 Gunma Prefecture Refrigerant leakage detecting method of refrigerating device
KR101498621B1 (en) * 2008-03-28 2015-03-04 엘지전자 주식회사 Air conditioning system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040159114A1 (en) * 2000-12-11 2004-08-19 Behr Gmbh & Co. Method of monitoring refrigerant level
EP1270292A2 (en) * 2001-06-27 2003-01-02 Behr GmbH & Co. Method for detecting refrigerant loss in a refrigerant circuit and cooling or air conditioning installation
US20070204635A1 (en) * 2005-02-24 2007-09-06 Mitsubishi Denki Kabushiki Kaisha Air Conditioning Apparatus
JP2006292211A (en) * 2005-04-07 2006-10-26 Daikin Ind Ltd Air conditioner
EP1876403A1 (en) * 2005-04-07 2008-01-09 Daikin Industries, Ltd. Air conditioner coolant amount judgment system
EP1970651A1 (en) * 2006-09-21 2008-09-17 Mitsubishi Electric Corporation Refrigerating/air conditioning system having refrigerant learage detecting function, refrigerator/air conditioner and method for detecting leakage of refrigerant

Also Published As

Publication number Publication date
KR20110092072A (en) 2011-08-17
KR101155345B1 (en) 2012-06-11
EP2354724B1 (en) 2024-04-03
CN102147142B (en) 2014-05-07
EP2354724A2 (en) 2011-08-10
CN102147142A (en) 2011-08-10

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