WO2008078370A1 - 冷凍サイクル用液バック検出方法及び装置 - Google Patents

冷凍サイクル用液バック検出方法及び装置 Download PDF

Info

Publication number
WO2008078370A1
WO2008078370A1 PCT/JP2006/325717 JP2006325717W WO2008078370A1 WO 2008078370 A1 WO2008078370 A1 WO 2008078370A1 JP 2006325717 W JP2006325717 W JP 2006325717W WO 2008078370 A1 WO2008078370 A1 WO 2008078370A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid back
detection
refrigeration cycle
refrigerant
apparatus therefor
Prior art date
Application number
PCT/JP2006/325717
Other languages
English (en)
French (fr)
Inventor
Seitarou Sugimoto
Tsuyoshi Maruyama
Yoshirou Kuroiwa
Masaaki Ohta
Teruyuki Takeda
Original Assignee
Orion Machinery Company Limited
Ubukata Industries Co., 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 Orion Machinery Company Limited, Ubukata Industries Co., Ltd. filed Critical Orion Machinery Company Limited
Priority to JP2008550930A priority Critical patent/JPWO2008078370A1/ja
Priority to PCT/JP2006/325717 priority patent/WO2008078370A1/ja
Publication of WO2008078370A1 publication Critical patent/WO2008078370A1/ja

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
    • 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
    • F25B2500/28—Means for preventing liquid refrigerant entering into the compressor
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

　冷凍サイクルＣを循環する冷媒Ｒにより発生する液バックを検出するに際し、少なくとも冷媒温度Ｔｒを検出可能な温度検出素子部２を、低圧側の冷媒Ｒ中に臨ませて取付けるとともに、この温度検出素子部２の検出結果に基づく検出信号Ｖｓｉを信号処理して得た出力信号Ｖｓの大きさを、予め液バックを検出可能に設定した閾値Ｖｓｒと比較し、出力信号Ｖｓの大きさが閾値Ｖｓｒに達したことにより液バックを検出する。これにより、液バックそのものを直接的に検知する。
PCT/JP2006/325717 2006-12-25 2006-12-25 冷凍サイクル用液バック検出方法及び装置 WO2008078370A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008550930A JPWO2008078370A1 (ja) 2006-12-25 2006-12-25 冷凍サイクル用液バック検出方法及び装置
PCT/JP2006/325717 WO2008078370A1 (ja) 2006-12-25 2006-12-25 冷凍サイクル用液バック検出方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/325717 WO2008078370A1 (ja) 2006-12-25 2006-12-25 冷凍サイクル用液バック検出方法及び装置

Publications (1)

Publication Number Publication Date
WO2008078370A1 true WO2008078370A1 (ja) 2008-07-03

Family

ID=39562169

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/325717 WO2008078370A1 (ja) 2006-12-25 2006-12-25 冷凍サイクル用液バック検出方法及び装置

Country Status (2)

Country Link
JP (1) JPWO2008078370A1 (ja)
WO (1) WO2008078370A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011127884A (ja) * 2009-12-21 2011-06-30 Orion Machinery Co Ltd 温湿度調整装置及び温湿度調整方法
CN109863355A (zh) * 2016-10-17 2019-06-07 艾默生环境优化技术有限公司 液击检测和保护
US11009250B2 (en) 2015-06-30 2021-05-18 Emerson Climate Technologies Retail Solutions, Inc. Maintenance and diagnostics for refrigeration systems

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6451171U (ja) * 1987-09-25 1989-03-29
JP2005315550A (ja) * 2004-04-29 2005-11-10 Ysd:Kk 冷媒流量制御装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5469448U (ja) * 1977-10-26 1979-05-17
JPS5883165A (ja) * 1981-11-12 1983-05-18 ダイキン工業株式会社 空調機の冷媒制御装置
JPH0820150B2 (ja) * 1990-07-04 1996-03-04 株式会社ユニシアジェックス 空調装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6451171U (ja) * 1987-09-25 1989-03-29
JP2005315550A (ja) * 2004-04-29 2005-11-10 Ysd:Kk 冷媒流量制御装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011127884A (ja) * 2009-12-21 2011-06-30 Orion Machinery Co Ltd 温湿度調整装置及び温湿度調整方法
US11009250B2 (en) 2015-06-30 2021-05-18 Emerson Climate Technologies Retail Solutions, Inc. Maintenance and diagnostics for refrigeration systems
CN109863355A (zh) * 2016-10-17 2019-06-07 艾默生环境优化技术有限公司 液击检测和保护

Also Published As

Publication number Publication date
JPWO2008078370A1 (ja) 2010-04-15

Similar Documents

Publication Publication Date Title
WO2010148526A8 (de) Tracking-verfahren und messsystem mit lasertracker
AU2008315298A8 (en) Fluid sensor, refrigerant leakage detection device, refrigeration system, and refrigerant leakage detection method
EP3376140A3 (en) Refrigeration cycle apparatus and refrigeration cycle system
MY185951A (en) Air conditioning system and method for leakage detection in an air conditioning system
WO2011158165A3 (en) Diagnostic kit and method for measuring balloon dimension in vivo
WO2011010832A3 (en) Refrigerator and method of operating the same
EP2040016A3 (en) Refrigeration monitoring system and method
WO2007069176A3 (en) Method for the detection of a use of a camera unit in a mobile device
JP2012170702A5 (ja)
EP1881301A3 (fr) Procédé de fonctionnement d'un dispositif de capteur domotique autonome pour détecter l'existence et/ou mesurer l'intensité d'un phénomène physique
WO2007076060A3 (en) Monitoring system
TW200802138A (en) Detection of stationary objects in video
WO2009128614A3 (en) Refrigerator and ice maker thereof
FR2911163B1 (fr) Procede de determination des effets du vent sur un store
WO2009076240A3 (en) Optical sensor for detecting infection and other anomalous conditions associated with catheter systems
WO2007069107A3 (en) Display devices with ambient light sensing
MX2015012304A (es) Metodo no invasivo para la medicion de metabolitos para la salud de la piel.
ATE541168T1 (de) Eisbereiter
EP2450491A4 (en) AUTOMATIC INDUCTION SYSTEM AND METHOD
CA2725861A1 (en) Calorimeter and methods of using it and control systems therefor
WO2007054422A3 (de) Verfahren zur umfelderfassung
WO2009045578A3 (en) Object detection incorporating background clutter removal
WO2009138980A3 (en) Cavitation detector
WO2008078370A1 (ja) 冷凍サイクル用液バック検出方法及び装置
WO2013103544A3 (en) Automated detection of video artifacts in an information signal

Legal Events

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

Ref document number: 06835164

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2008550930

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 06835164

Country of ref document: EP

Kind code of ref document: A1