WO2009054126A1 - 流体センサ、冷媒漏洩検知装置、冷凍装置、及び、冷媒漏洩検知方法 - Google Patents

流体センサ、冷媒漏洩検知装置、冷凍装置、及び、冷媒漏洩検知方法 Download PDF

Info

Publication number
WO2009054126A1
WO2009054126A1 PCT/JP2008/002987 JP2008002987W WO2009054126A1 WO 2009054126 A1 WO2009054126 A1 WO 2009054126A1 JP 2008002987 W JP2008002987 W JP 2008002987W WO 2009054126 A1 WO2009054126 A1 WO 2009054126A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerant leakage
leakage detection
fluid sensor
refrigerant
detection method
Prior art date
Application number
PCT/JP2008/002987
Other languages
English (en)
French (fr)
Inventor
Yoshinari Sasaki
Takahiro Yamaguchi
Tsuyoshi Yonemori
Manabu Yoshimi
Youyou Xu
Original Assignee
Daikin Industries, Ltd.
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 Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Priority to US12/738,891 priority Critical patent/US8350582B2/en
Priority to EP08841832.2A priority patent/EP2213965A4/en
Priority to CN200880113368A priority patent/CN101836060A/zh
Priority to AU2008315298A priority patent/AU2008315298B8/en
Publication of WO2009054126A1 publication Critical patent/WO2009054126A1/ja

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G01M3/186Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
    • G01M3/188Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators for radiators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/005Arrangement or mounting of control or safety devices of safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/22Preventing, detecting or repairing leaks of refrigeration fluids
    • F25B2500/222Detecting refrigerant leaks

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

 冷凍装置の冷媒回路のどの場所から冷媒漏洩が生じているかの特定を含めて、冷媒漏洩の検知ができるようにする。流体センサ(8)は、冷媒回路(10)からの冷媒漏洩を検知するための流体センサであって、間隔を空けて設けられた2つの電極(81、82)を有するセンサ本体(8a)を備えるとともに、2つの電極(81、82)間のインピーダンスを測定するインピーダンス測定装置(9)に接続できるように構成されている。
PCT/JP2008/002987 2007-10-23 2008-10-22 流体センサ、冷媒漏洩検知装置、冷凍装置、及び、冷媒漏洩検知方法 WO2009054126A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/738,891 US8350582B2 (en) 2007-10-23 2008-10-22 Fluid sensor, refrigerant leakage detection device, refrigeration system, and refrigerant leakage detection method
EP08841832.2A EP2213965A4 (en) 2007-10-23 2008-10-22 FLUID DETECTOR, REFRIGERANT FLUID LEAK DETECTION DEVICE, REFRIGERATION DEVICE, AND REFRIGERANT FLUID LEAK DETECTION METHOD
CN200880113368A CN101836060A (zh) 2007-10-23 2008-10-22 流体传感器、制冷剂泄漏检测装置、制冷装置以及制冷剂泄漏检测方法
AU2008315298A AU2008315298B8 (en) 2007-10-23 2008-10-22 Fluid sensor, refrigerant leakage detection device, refrigeration system, and refrigerant leakage detection method

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007275537 2007-10-23
JP2007-275537 2007-10-23
JP2008-010540 2008-01-21
JP2008010540 2008-01-21
JP2008-244470 2008-09-24
JP2008244470A JP2009198154A (ja) 2007-10-23 2008-09-24 流体センサ、冷媒漏洩検知装置、冷凍装置、及び、冷媒漏洩検知方法

Publications (1)

Publication Number Publication Date
WO2009054126A1 true WO2009054126A1 (ja) 2009-04-30

Family

ID=40579234

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002987 WO2009054126A1 (ja) 2007-10-23 2008-10-22 流体センサ、冷媒漏洩検知装置、冷凍装置、及び、冷媒漏洩検知方法

Country Status (7)

Country Link
US (1) US8350582B2 (ja)
EP (1) EP2213965A4 (ja)
JP (1) JP2009198154A (ja)
KR (1) KR20100070371A (ja)
CN (1) CN101836060A (ja)
AU (1) AU2008315298B8 (ja)
WO (1) WO2009054126A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011027216A (ja) * 2009-07-28 2011-02-10 Yokohama Rubber Co Ltd:The マリンホース
JP2013002783A (ja) * 2011-06-21 2013-01-07 Noritz Corp ヒートポンプ式熱源機
JP2018173259A (ja) * 2017-03-30 2018-11-08 三菱電機ビルテクノサービス株式会社 冷媒漏洩検知装置および冷媒漏洩検知方法並びに冷媒漏洩検知システム
JP2021119334A (ja) * 2020-01-30 2021-08-12 三菱電機株式会社 冷媒漏洩検知装置、冷媒漏洩検知システム、および、冷媒漏洩検知方法

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110112814A1 (en) * 2009-11-11 2011-05-12 Emerson Retail Services, Inc. Refrigerant leak detection system and method
US8344865B2 (en) * 2010-10-29 2013-01-01 GM Global Technology Operations LLC Method and apparatus for monitoring a vehicular propulsion system battery
JP5562318B2 (ja) * 2011-11-21 2014-07-30 三菱電機株式会社 流体漏洩箇所特定装置及びこれを備えた冷凍空調装置
JP5916360B2 (ja) 2011-11-30 2016-05-11 三菱重工業株式会社 ターボ冷凍機
JP5511898B2 (ja) * 2012-06-22 2014-06-04 三菱電機株式会社 除湿装置、冷凍装置、及び除湿システム
CN103683996B (zh) * 2012-08-31 2016-08-17 西门子公司 一种逆变器
CN103018780B (zh) * 2012-12-31 2015-11-04 中国科学院合肥物质科学研究院 一种探针式高频响液态金属泄漏检测装置
CN103116005B (zh) * 2013-03-06 2015-11-11 杨宗辉 家用电器碳氢化合物制冷剂释放及低爆炸极限测量装置
JP5697710B2 (ja) * 2013-04-08 2015-04-08 三菱電機株式会社 冷凍サイクル装置
KR102150441B1 (ko) * 2013-07-26 2020-09-01 엘지전자 주식회사 공기조화장치
CN104089383A (zh) * 2014-07-04 2014-10-08 珠海格力电器股份有限公司 传感器安装盒、空调器检漏装置及传感器
US10488065B2 (en) 2014-12-17 2019-11-26 Carrier Corporation Leak detection unit for refrigerant system
WO2017019909A1 (en) 2015-07-28 2017-02-02 Carrier Corporation Refrigerant analyzer and a method of using the same
US10151663B2 (en) 2015-09-15 2018-12-11 Emerson Climate Technologies, Inc. Leak detector sensor systems using tag-sensitized refrigerants
JP6827279B2 (ja) * 2016-07-15 2021-02-10 日立ジョンソンコントロールズ空調株式会社 冷暖切替ユニット及びそれを備える空気調和機
EP4361510A2 (en) * 2017-04-06 2024-05-01 Carrier Corporation Moderate-to-low global warming potential value refrigerant leak detection
CN106972127B (zh) * 2017-05-18 2023-07-18 华霆(合肥)动力技术有限公司 电池热管理装置及电池模组
GB2576644B (en) * 2017-06-09 2021-03-31 Mitsubishi Electric Corp Refrigerating device and air-conditioning device
JP2019016709A (ja) * 2017-07-07 2019-01-31 富士通株式会社 冷却装置、排気浄化装置及び自動車
JP6834820B2 (ja) * 2017-07-12 2021-02-24 ダイキン工業株式会社 冷媒検知センサ、および、それを用いた冷凍装置
US20190170413A1 (en) * 2017-12-01 2019-06-06 Johnson Controls Technology Company Electrical monitoring of refrigerant circuit
JP6964533B2 (ja) * 2018-02-14 2021-11-10 三菱電機ビルテクノサービス株式会社 空調システム
CN108302842B (zh) * 2018-03-03 2021-01-05 山东同方嘉禾有限公司 一种溴化锂制冷机组的管路漏点检测方法
JP7009624B2 (ja) * 2018-05-21 2022-02-10 三菱電機株式会社 空気調和機および空気調和機の梱包セット
CN110848876B (zh) * 2018-08-21 2021-07-02 奥克斯空调股份有限公司 一种冷媒泄露的检测方法、系统及空调器
DE102019205908B4 (de) * 2019-04-25 2021-02-18 Dometic Sweden Ab Heizeinheit, Absorptionskältevorrichtung, Fahrzeug mit der Absorptionskältevorrichtung und Verfahren zum Betrieb derselben
JP7210018B2 (ja) * 2019-05-10 2023-01-23 伸和コントロールズ株式会社 冷媒状態検知装置、冷媒状態検知方法及び温調システム
JP7350528B2 (ja) * 2019-06-18 2023-09-26 三菱電機株式会社 冷媒漏洩検知装置、冷媒漏洩検知システム及び冷媒漏洩検知方法
DE102019121456A1 (de) * 2019-08-08 2021-02-11 Vaillant Gmbh Beladungsmessverfahren und Vorrichtung
WO2023084026A1 (en) * 2021-11-12 2023-05-19 Sensative Ab Capacitive oil sensor assembly
CN114935434A (zh) * 2022-04-06 2022-08-23 中国电子科技集团公司第二十九研究所 一种末端连接器、薄膜式漏液检测装置和漏液检测方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11218002A (ja) * 1998-02-03 1999-08-10 Hitachi Ltd 蒸気漏れ検知装置
JP2000180289A (ja) * 1998-12-17 2000-06-30 Kayaba Ind Co Ltd 油漏れ検出器
JP2000230761A (ja) * 1999-02-09 2000-08-22 Zexel Corp 冷媒漏洩検出手段の取付構造
JP2002357582A (ja) * 2001-05-31 2002-12-13 Jeitekku Kk 水分検知装置
JP2003254924A (ja) * 2002-03-06 2003-09-10 Norio Miura 窒素酸化物センサ
JP2007163099A (ja) 2005-12-16 2007-06-28 Daikin Ind Ltd 空気調和装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041771A (en) * 1975-05-09 1977-08-16 Arthur D. Little, Inc. Temperature-sensitive detector
JP3494188B2 (ja) * 1994-03-17 2004-02-03 富士通株式会社 集積回路素子用冷却装置
US6170318B1 (en) * 1995-03-27 2001-01-09 California Institute Of Technology Methods of use for sensor based fluid detection devices
US6509553B2 (en) * 2000-09-05 2003-01-21 A.T.C.T. Advanced Thermal Chips Technologies Ltd. Method and apparatus for providing an indication of the composition of a fluid particularly useful in heat pumps and vaporizers
US6801041B2 (en) * 2002-05-14 2004-10-05 Abbott Laboratories Sensor having electrode for determining the rate of flow of a fluid
US6772598B1 (en) * 2002-05-16 2004-08-10 R.S. Services, Inc. Refrigerant leak detection system
US6639517B1 (en) * 2002-09-30 2003-10-28 James Chapman Leak detection mat and system
US7466147B2 (en) * 2005-08-08 2008-12-16 Continental Automotive Systems Us, Inc. Fluid quality sensor
US20080238449A1 (en) * 2007-03-27 2008-10-02 Denso Corporation Fluid sensor and impedance sensor
JP5788211B2 (ja) * 2010-04-27 2015-09-30 株式会社 ナンバ 冷凍サイクルにおける冷媒漏洩検知装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11218002A (ja) * 1998-02-03 1999-08-10 Hitachi Ltd 蒸気漏れ検知装置
JP2000180289A (ja) * 1998-12-17 2000-06-30 Kayaba Ind Co Ltd 油漏れ検出器
JP2000230761A (ja) * 1999-02-09 2000-08-22 Zexel Corp 冷媒漏洩検出手段の取付構造
JP2002357582A (ja) * 2001-05-31 2002-12-13 Jeitekku Kk 水分検知装置
JP2003254924A (ja) * 2002-03-06 2003-09-10 Norio Miura 窒素酸化物センサ
JP2007163099A (ja) 2005-12-16 2007-06-28 Daikin Ind Ltd 空気調和装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2213965A4 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011027216A (ja) * 2009-07-28 2011-02-10 Yokohama Rubber Co Ltd:The マリンホース
JP2013002783A (ja) * 2011-06-21 2013-01-07 Noritz Corp ヒートポンプ式熱源機
JP2018173259A (ja) * 2017-03-30 2018-11-08 三菱電機ビルテクノサービス株式会社 冷媒漏洩検知装置および冷媒漏洩検知方法並びに冷媒漏洩検知システム
JP2021119334A (ja) * 2020-01-30 2021-08-12 三菱電機株式会社 冷媒漏洩検知装置、冷媒漏洩検知システム、および、冷媒漏洩検知方法

Also Published As

Publication number Publication date
EP2213965A4 (en) 2014-05-28
KR20100070371A (ko) 2010-06-25
JP2009198154A (ja) 2009-09-03
EP2213965A1 (en) 2010-08-04
AU2008315298B2 (en) 2011-08-04
CN101836060A (zh) 2010-09-15
AU2008315298B8 (en) 2011-08-25
AU2008315298A8 (en) 2011-08-25
US8350582B2 (en) 2013-01-08
US20100244863A1 (en) 2010-09-30
AU2008315298A1 (en) 2009-04-30

Similar Documents

Publication Publication Date Title
WO2009054126A1 (ja) 流体センサ、冷媒漏洩検知装置、冷凍装置、及び、冷媒漏洩検知方法
WO2008045827A3 (en) Robotic surgical system with contact sensing feature
WO2007007301A3 (en) In-vivo measurement of biomechanical properties of internal tissues
WO2008061033A3 (en) Rotating fluid measurement device and method
WO2008027098A3 (en) Biosensor for measurement of species in a body fluid
MX2008009276A (es) Controlador de dispositivo de apagado de emergencia versatil.
WO2012160091A3 (de) Sensorvorrichtung zum nachweis eines analyten
EP1700912A4 (en) METHOD OF DETECTING A TARGET MOLECULE USING AN APTAMERE
GB2445498A (en) Apparatus and method for detecting fluid entering a wellbore
EP2369318A3 (en) Thermal Measurement System and Method for Leak Detection
CA2726067A1 (en) Detection meter and mode of operation
DE602005014981D1 (de) System zum nachweis von leckstellen und verschlüssen in einem kryoablationskatheter
FR2976356B1 (fr) Indicateur de pression.
WO2014195076A3 (de) Messgerät
WO2013088427A8 (en) Pipeline inspection apparatus for the internal inspection of pipelines
WO2010132328A3 (en) System to detect poor process ground connections within an electromagnetic flowmeter
WO2012067748A3 (en) Ultrasonic level sensor for aerated fluids
WO2010065286A8 (en) Method and apparatus for pressure measurement using fill tube
WO2007146243A3 (en) Methods and apparatus for determining the location of implanted ports
WO2009010960A3 (en) Medical device and method for use in tissue characterization and treatment
WO2008025182A3 (de) Sensoreinheit
EP2525277A3 (en) Apparatus, and associated method, for testing a touch sensing device
WO2012067390A3 (ko) 제연 설비 구축을 위한 누설 면적 측정 방법 및 시스템
WO2012035291A3 (en) Leakage sensor
WO2011137732A3 (zh) 一种电子血压计的误差检测方法、装置及电子血压计

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880113368.1

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08841832

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 12738891

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2008841832

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 20107010718

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2008315298

Country of ref document: AU

ENP Entry into the national phase

Ref document number: 2008315298

Country of ref document: AU

Date of ref document: 20081022

Kind code of ref document: A