DE4391398T1 - Verfahren und Vorrichtung zum Erfassen eines Mangels eines Kühlmittels in einer Klima-Anlage - Google Patents

Verfahren und Vorrichtung zum Erfassen eines Mangels eines Kühlmittels in einer Klima-Anlage

Info

Publication number
DE4391398T1
DE4391398T1 DE4391398T DE4391398T DE4391398T1 DE 4391398 T1 DE4391398 T1 DE 4391398T1 DE 4391398 T DE4391398 T DE 4391398T DE 4391398 T DE4391398 T DE 4391398T DE 4391398 T1 DE4391398 T1 DE 4391398T1
Authority
DE
Germany
Prior art keywords
coolant
lack
detecting
air conditioning
conditioning system
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.)
Pending
Application number
DE4391398T
Other languages
English (en)
Other versions
DE4391398C2 (de
Inventor
Masaru Kuribara
Kazumitsu Kobayashi
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.)
Hitachi Unisia Automotive Ltd
Original Assignee
Unisia Jecs 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 Unisia Jecs Corp filed Critical Unisia Jecs Corp
Publication of DE4391398T1 publication Critical patent/DE4391398T1/de
Pending 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
    • F25B49/005—Arrangement or mounting of control or safety devices of safety devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/246—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
    • G01F23/247—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80—Arrangements for signal processing
    • G01F23/802—Particular electronic circuits for digital processing equipment
    • G01F23/804—Particular electronic circuits for digital processing equipment containing circuits handling parameters other than liquid level
    • 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
    • F25B2700/04—Refrigerant level
    • 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
    • F25B2700/17—Speeds
    • F25B2700/171—Speeds of the compressor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
DE4391398T 1992-03-31 1993-03-31 Verfahren und Vorrichtung zum Erfassen eines Mangels eines Kühlmittels in einer Klima-Anlage Pending DE4391398T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4105554A JPH06207766A (ja) 1992-03-31 1992-03-31 空調装置
PCT/JP1993/000409 WO1993020393A1 (en) 1992-03-31 1993-03-31 Refrigerant shortage detecting method and apparatus for air-conditioners

Publications (1)

Publication Number Publication Date
DE4391398T1 true DE4391398T1 (de) 1994-04-28

Family

ID=14410784

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4391398T Pending DE4391398T1 (de) 1992-03-31 1993-03-31 Verfahren und Vorrichtung zum Erfassen eines Mangels eines Kühlmittels in einer Klima-Anlage
DE4391398A Expired - Fee Related DE4391398C2 (de) 1992-03-31 1993-03-31 Verfahren und Vorrichtung zum Feststellen eines Mangels an Kühlmittel in einer Klima-Anlage

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE4391398A Expired - Fee Related DE4391398C2 (de) 1992-03-31 1993-03-31 Verfahren und Vorrichtung zum Feststellen eines Mangels an Kühlmittel in einer Klima-Anlage

Country Status (4)

Country Link
US (1) US5398516A (de)
JP (1) JPH06207766A (de)
DE (2) DE4391398T1 (de)
WO (1) WO1993020393A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401415C1 (de) * 1994-01-19 1994-12-01 Daimler Benz Ag Verfahren zur Überwachung des Kältemittelfüllstandes in einer Kälteanlage
US5481883A (en) * 1994-10-20 1996-01-09 Harkness, Jr.; Charles A. Method and apparatus for reduction of refrigerant gases escaping from refrigeration systems
US5860286A (en) * 1997-06-06 1999-01-19 Carrier Corporation System monitoring refrigeration charge
DE19935269C1 (de) * 1999-07-27 2001-01-25 Daimler Chrysler Ag Verfahren zur Überwachung des Kältemittelfüllstandes in einer Kälteanlage
US6293114B1 (en) 2000-05-31 2001-09-25 Red Dot Corporation Refrigerant monitoring apparatus and method
JP4529873B2 (ja) * 2005-01-27 2010-08-25 株式会社デンソー 空調ユニット
EP2414749B1 (de) * 2009-04-03 2019-06-19 Carrier Corporation Systeme und verfahren mit erwärmungs- und kühlsystemsteuerung
US8973380B2 (en) * 2009-05-28 2015-03-10 Schneider Electric It Corporation Systems and methods for detecting refrigerant leaks in cooling systems
US10070583B2 (en) 2012-08-09 2018-09-11 Orlando Jerez Blade for use with rotary head assembly
US11388856B2 (en) 2012-08-09 2022-07-19 Orlando Jerez Ramped connector and blade for use with rotary head assembly
SG11201600715UA (en) 2013-08-01 2016-02-26 Carrier Corp Refrigerant level monitor for refrigeration system
JP5812081B2 (ja) * 2013-11-12 2015-11-11 ダイキン工業株式会社 室内機
CN114761743A (zh) * 2019-12-04 2022-07-15 三菱电机株式会社 室外机组以及制冷环路装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059443A (en) * 1959-01-29 1962-10-23 Arthur Berryman Alarm apparatus for refrigeration systems and the like
US4167858A (en) * 1976-10-27 1979-09-18 Nippondenso Co., Ltd. Refrigerant deficiency detecting apparatus
JPS5428050A (en) * 1977-08-03 1979-03-02 Nippon Denso Co Ltd Refrigerator with means for sensing failure of coolant
JPS5664261A (en) * 1979-10-30 1981-06-01 Toyoda Automatic Loom Works Protection method of and apparatus for refrigerant compressor
JPS6117876A (ja) * 1984-07-04 1986-01-25 日産自動車株式会社 冷媒過封入警報装置
JP2600337B2 (ja) * 1988-10-11 1997-04-16 株式会社デンソー 気液比検出装置
JPH0359371A (ja) * 1989-07-27 1991-03-14 Toshiba Corp 冷凍サイクルの冷媒漏洩検出装置
JP2997487B2 (ja) * 1989-12-13 2000-01-11 株式会社日立製作所 冷凍装置及び冷凍装置における冷媒量表示方法
JPH0816569B2 (ja) * 1989-12-27 1996-02-21 株式会社ユニシアジェックス 空調装置
JPH03236572A (ja) * 1990-02-13 1991-10-22 Nippondenso Co Ltd 冷凍サイクル中の水分検出装置
JP3032230B2 (ja) * 1990-04-10 2000-04-10 株式会社デンソー 気液比検出装置
JP2530258B2 (ja) * 1990-12-19 1996-09-04 株式会社ユニシアジェックス 空調装置
JPH05180546A (ja) * 1991-12-26 1993-07-23 Japan Electron Control Syst Co Ltd 冷媒センサ

Also Published As

Publication number Publication date
WO1993020393A1 (en) 1993-10-14
US5398516A (en) 1995-03-21
DE4391398C2 (de) 1997-11-20
JPH06207766A (ja) 1994-07-26

Similar Documents

Publication Publication Date Title
DE59305773D1 (de) Verfahren und vorrichtung zur koordinatenmessung an werkstücken
DE69509587T2 (de) Verfahren und Vorrichtung zum Feststellen eines Fahrzeugazimuths
DE69313230T2 (de) Verfahren und Vorrichtung zur Erkennung von Abnormalitäten in einer Anlage zur Gasversorgung
DE4397190T1 (de) Vorrichtung und Verfahren zur Klimatisierung des Innenraums eines Fahrzeugs
DE59402277D1 (de) Verfahren und Vorrichtung zur Luftversorgung eines Brennstoffzellensystems
DE69311203D1 (de) Verfahren und Vorrichtung zur Absenkung der Lufttemperatur im Innenraum eines abgestellten Fahrzeugs
DE69533382D1 (de) Verfahren und Vorrichtung zur Messung des Isolationszustandes eines dezentralen Energieversorgungssystems
DE59108489D1 (de) Verfahren und Vorrichtung zur Überprüfung eines Katalysators
DE69524347D1 (de) Vorrichtung und Verfahren zum Wegmessung
DE69314714D1 (de) Verfahren und Vorrichtung zum Lesen eines Bildes
DE69322229T2 (de) Verfahren und Vorrichtung zur Ermittlung der Luftqualität
DE69214604T2 (de) Verfahren und Vorrichtung für die Klimaanlage eines Fahrzeugs
DE59609795D1 (de) Verfahren und Vorrichtung zur Koordinatenmessung an Werkstücken
DE69310185T2 (de) Verfahren und vorrichtung zur diagnose der kühlmittelmenge in einer klimaanlage
DE4391398T1 (de) Verfahren und Vorrichtung zum Erfassen eines Mangels eines Kühlmittels in einer Klima-Anlage
DE4498938T1 (de) Verfahren und Vorrichtung zum Erfassen der Ansaugluftmenge eines Motors
DE69406886D1 (de) Verfahren und Vorrichtung zur geometrischen Kontrolle eines Fahrzeugs
DE69025177T2 (de) Verfahren und vorrichtung zum testen eines luftkissen-rückhaltesystems (airbag)
DE69222477T3 (de) Verfahren und Vorrichtung zum Steuern einer Klimaanlage in einem Fahrzeug
DE59405408D1 (de) Verfahren und vorrichtung zum einhalten einer vorgegebenen fahrgeschwindigkeit eines fahrzeugs
DE59205698D1 (de) Verfahren und Vorrichtung zur Regulierung eines Streckwerkes
DE59209075D1 (de) Verfahren und vorrichtung zur webmaschinenklimatisierung
DE69312193T2 (de) Verfahren und Vorrichtung zur Steuerung eines Messinstrumentes
DE69301827T2 (de) Verfahren und vorrichtung zur detektion des in funktion tretens einer notlauffläche innerhalb eines reifens
DE69226795T2 (de) Vorrichtung und Verfahren zur Kühlung eines Raumes