GB2406174A - Detection of refrigerant leakage by temperature measurement - Google Patents

Detection of refrigerant leakage by temperature measurement Download PDF

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Publication number
GB2406174A
GB2406174A GB0420628A GB0420628A GB2406174A GB 2406174 A GB2406174 A GB 2406174A GB 0420628 A GB0420628 A GB 0420628A GB 0420628 A GB0420628 A GB 0420628A GB 2406174 A GB2406174 A GB 2406174A
Authority
GB
United Kingdom
Prior art keywords
refrigerant
refrigerant leakage
sensing
evaporator
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.)
Withdrawn
Application number
GB0420628A
Other languages
English (en)
Other versions
GB0420628D0 (en
Inventor
Jin-Ho Jeong
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 GB0420628D0 publication Critical patent/GB0420628D0/en
Publication of GB2406174A publication Critical patent/GB2406174A/en
Withdrawn legal-status Critical Current

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/002—Investigating fluid-tightness of structures by using thermal means
    • 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
    • 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
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21174—Temperatures of an evaporator of the refrigerant at the inlet of the evaporator
    • 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
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21175—Temperatures of an evaporator of the refrigerant at the outlet of the evaporator
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/04—Refrigerators with a horizontal mullion
GB0420628A 2003-09-17 2004-09-16 Detection of refrigerant leakage by temperature measurement Withdrawn GB2406174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030064577A KR20050028391A (ko) 2003-09-17 2003-09-17 냉매누설감지시스템 및 방법

Publications (2)

Publication Number Publication Date
GB0420628D0 GB0420628D0 (en) 2004-10-20
GB2406174A true GB2406174A (en) 2005-03-23

Family

ID=33308407

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0420628A Withdrawn GB2406174A (en) 2003-09-17 2004-09-16 Detection of refrigerant leakage by temperature measurement

Country Status (5)

Country Link
US (1) US20050056031A1 (de)
JP (1) JP2005090953A (de)
KR (1) KR20050028391A (de)
DE (1) DE102004044990A1 (de)
GB (1) GB2406174A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007116380A2 (en) * 2006-04-07 2007-10-18 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for monitoring the gas tightness of a cooling system for a refrigerated vehicle
GR1006642B (el) * 2008-07-14 2009-12-22 Θεοδωρος Ευθυμιου Ευθυμιου Συστημα εμμεσης ανιχνευσης διαρροης ψυκτικων μεσων σε ψυκτικες διαταξεις επι μεσων μεταφορας

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7412842B2 (en) 2004-04-27 2008-08-19 Emerson Climate Technologies, Inc. Compressor diagnostic and protection system
US7275377B2 (en) 2004-08-11 2007-10-02 Lawrence Kates Method and apparatus for monitoring refrigerant-cycle systems
US8590325B2 (en) 2006-07-19 2013-11-26 Emerson Climate Technologies, Inc. Protection and diagnostic module for a refrigeration system
US20080216494A1 (en) 2006-09-07 2008-09-11 Pham Hung M Compressor data module
ES2742529T3 (es) 2006-09-21 2020-02-14 Mitsubishi Electric Corp Sistema de refrigeración/acondicionamiento de aire con función de detección de fugas de refrigerante, acondicionador de aire/refrigerador y método para detectar fugas de refrigerante
US20090037142A1 (en) 2007-07-30 2009-02-05 Lawrence Kates Portable method and apparatus for monitoring refrigerant-cycle systems
JP4806793B2 (ja) * 2007-10-04 2011-11-02 群馬県 冷凍装置の冷媒漏れ検出方法
US9140728B2 (en) 2007-11-02 2015-09-22 Emerson Climate Technologies, Inc. Compressor sensor module
US20110112814A1 (en) * 2009-11-11 2011-05-12 Emerson Retail Services, Inc. Refrigerant leak detection system and method
CN102893095B (zh) * 2010-05-12 2016-01-06 三菱电机株式会社 切换装置及空调装置
AU2012223466B2 (en) 2011-02-28 2015-08-13 Emerson Electric Co. Residential solutions HVAC monitoring and diagnosis
US9874413B2 (en) * 2011-05-25 2018-01-23 International Business Machines Corporation Data center with dual radiator cabinets for redundant operation
US8964338B2 (en) 2012-01-11 2015-02-24 Emerson Climate Technologies, Inc. System and method for compressor motor protection
KR101336979B1 (ko) * 2012-01-20 2013-12-04 (주) 에타 제빙용 증발기의 내부 용접결함 검사장치 및 검사방법
WO2013111180A1 (ja) * 2012-01-24 2013-08-01 三菱電機株式会社 空気調和装置の冷媒充填方法、空気調和装置
WO2013119489A2 (en) 2012-02-10 2013-08-15 Carrier Corporation Method for detection of loss of refrigerant
US9310439B2 (en) 2012-09-25 2016-04-12 Emerson Climate Technologies, Inc. Compressor having a control and diagnostic module
WO2014144446A1 (en) 2013-03-15 2014-09-18 Emerson Electric Co. Hvac system remote monitoring and diagnosis
US9551504B2 (en) 2013-03-15 2017-01-24 Emerson Electric Co. HVAC system remote monitoring and diagnosis
US9803902B2 (en) 2013-03-15 2017-10-31 Emerson Climate Technologies, Inc. System for refrigerant charge verification using two condenser coil temperatures
AU2014248049B2 (en) 2013-04-05 2018-06-07 Emerson Climate Technologies, Inc. Heat-pump system with refrigerant charge diagnostics
KR102105655B1 (ko) * 2013-07-08 2020-04-28 엘지전자 주식회사 공기 조화기 및 그 제어방법
CN104677550B (zh) * 2013-11-26 2018-02-02 美的集团股份有限公司 空调系统的制冷剂泄露检测方法
CN103940560B (zh) * 2014-04-10 2016-08-17 广东美的制冷设备有限公司 冷媒泄漏检测方法、冷媒泄漏检测系统和空调器
US11022346B2 (en) 2015-11-17 2021-06-01 Carrier Corporation Method for detecting a loss of refrigerant charge of a refrigeration system
DE102016110585A1 (de) 2016-06-08 2017-12-14 Truma Gerätetechnik GmbH & Co. KG Klimasystem und Verfahren zur Leckageerkennung in einem Klimasystem
EP3584521A4 (de) * 2017-02-14 2020-12-30 Daikin Industries, Ltd. Kühlvorrichtung
CN106950045B (zh) * 2017-03-02 2019-03-26 珠海格力电器股份有限公司 一种多联机内机管路异常的检测方法
IL252452B (en) 2017-05-23 2021-12-01 Smartgreen Ltd Methods for identifying cooling shortages in cooling systems with multiple cooling locations
CN110375468B (zh) 2018-04-13 2022-10-11 开利公司 风冷热泵系统、用于其的制冷剂泄漏检测方法及检测系统
EP3821184A4 (de) 2018-07-09 2022-03-30 Crane Payment Innovations, Inc. Kältemittelleckdetektor für einen verkaufsautomaten
IT201900006922A1 (it) * 2019-05-16 2020-11-16 Ft System Srl Metodo ed apparato per stabilire la presenza di fessure in contenitori sigillati
US11248849B2 (en) * 2019-10-15 2022-02-15 Lennox Industries Inc. Detecting loss of charge in HVAC systems
TWI722617B (zh) * 2019-10-25 2021-03-21 財團法人工業技術研究院 非侵入式冷媒洩漏偵測系統、其方法以及其門檻值自適化之方法
WO2022180941A1 (ja) 2021-02-24 2022-09-01 エッペンドルフ・ハイマック・テクノロジーズ株式会社 遠心機
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
CN113503675A (zh) * 2021-07-09 2021-10-15 合肥美菱物联科技有限公司 一种冰箱化霜需求判断方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150584A (en) * 1991-09-26 1992-09-29 General Motors Corporation Method and apparatus for detecting low refrigerant charge
US5457965A (en) * 1994-04-11 1995-10-17 Ford Motor Company Low refrigerant charge detection system
JPH09105567A (ja) * 1995-10-06 1997-04-22 Denso Corp 冷凍装置
JPH11211293A (ja) * 1998-01-26 1999-08-06 Sanyo Electric Co Ltd 冷蔵庫
US6330802B1 (en) * 2000-02-22 2001-12-18 Behr Climate Systems, Inc. Refrigerant loss detection
US6430944B1 (en) * 2001-04-13 2002-08-13 Smc Kabushiki Kaisha Remote maintenance system and method for chiller units

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566561A (en) * 1946-06-28 1951-09-04 Edelberg Vladimir Screwing and unscrewing tongs, particularly for drilling pipe joints
US4215602A (en) * 1978-06-26 1980-08-05 Bob's Casing Crews Power tongs
US5174125A (en) * 1991-07-24 1992-12-29 Donald Duncan Device for detecting loss of refrigerant in an airconditioner
JPH06137725A (ja) * 1992-10-28 1994-05-20 Hitachi Ltd 冷凍装置の冷媒漏れ検知方式
US5845549A (en) * 1995-12-20 1998-12-08 Frank's Casing Crew And Rental Tools, Inc. Power tong gripping ring mechanism
JP3733674B2 (ja) * 1997-01-30 2006-01-11 株式会社デンソー 空調装置
JP2001255046A (ja) * 2000-03-13 2001-09-21 Sanyo Electric Co Ltd 冷凍装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150584A (en) * 1991-09-26 1992-09-29 General Motors Corporation Method and apparatus for detecting low refrigerant charge
US5457965A (en) * 1994-04-11 1995-10-17 Ford Motor Company Low refrigerant charge detection system
JPH09105567A (ja) * 1995-10-06 1997-04-22 Denso Corp 冷凍装置
JPH11211293A (ja) * 1998-01-26 1999-08-06 Sanyo Electric Co Ltd 冷蔵庫
US6330802B1 (en) * 2000-02-22 2001-12-18 Behr Climate Systems, Inc. Refrigerant loss detection
US6430944B1 (en) * 2001-04-13 2002-08-13 Smc Kabushiki Kaisha Remote maintenance system and method for chiller units

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007116380A2 (en) * 2006-04-07 2007-10-18 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for monitoring the gas tightness of a cooling system for a refrigerated vehicle
WO2007116380A3 (en) * 2006-04-07 2008-03-06 Air Liquide Method for monitoring the gas tightness of a cooling system for a refrigerated vehicle
GR1006642B (el) * 2008-07-14 2009-12-22 Θεοδωρος Ευθυμιου Ευθυμιου Συστημα εμμεσης ανιχνευσης διαρροης ψυκτικων μεσων σε ψυκτικες διαταξεις επι μεσων μεταφορας
WO2010007448A1 (en) * 2008-07-14 2010-01-21 Theodoros Efthymiou Automatic refrigerant leak detection system of indirect means for use on cooling and refrigeration units installed on vehicles and other transportation means.

Also Published As

Publication number Publication date
GB0420628D0 (en) 2004-10-20
DE102004044990A1 (de) 2005-04-14
US20050056031A1 (en) 2005-03-17
JP2005090953A (ja) 2005-04-07
KR20050028391A (ko) 2005-03-23

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)