US20220186999A1 - Refrigerant condition detection device, refrigerant condition detection method, and temperature control system - Google Patents

Refrigerant condition detection device, refrigerant condition detection method, and temperature control system Download PDF

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Publication number
US20220186999A1
US20220186999A1 US17/593,141 US202017593141A US2022186999A1 US 20220186999 A1 US20220186999 A1 US 20220186999A1 US 202017593141 A US202017593141 A US 202017593141A US 2022186999 A1 US2022186999 A1 US 2022186999A1
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US
United States
Prior art keywords
refrigerant
temperature
condenser
cooling fluid
refrigeration circuit
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.)
Abandoned
Application number
US17/593,141
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English (en)
Inventor
Syunji YAMAGUCHI
Komei MINEHARA
Kenta FUKAI
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.)
Shinwa Controls Co Ltd
Original Assignee
Shinwa Controls 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 Shinwa Controls Co Ltd filed Critical Shinwa Controls Co Ltd
Assigned to SHINWA CONTROLS CO., LTD reassignment SHINWA CONTROLS CO., LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FUKAI, KENTA, MINEHARA, KOMEI, YAMAGUCHI, SYUNJI
Publication of US20220186999A1 publication Critical patent/US20220186999A1/en
Abandoned legal-status Critical Current

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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
    • 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
    • F25B6/00—Compression machines, plants or systems, with several condenser circuits
    • F25B6/04—Compression machines, plants or systems, with several condenser circuits arranged in series
    • 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
    • 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
    • F24F11/38—Failure diagnosis
    • 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
    • F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
    • 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
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
    • 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
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • 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
    • F25B45/00—Arrangements for charging or discharging refrigerant
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/047—Water-cooled condensers
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/16—Receivers
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/24—Low amount of refrigerant in the system
    • 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
    • F25B2700/195—Pressures of the condenser
    • 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
    • F25B2700/2103—Temperatures near a heat exchanger
    • 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
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21161—Temperatures of a condenser of the fluid heated by the condenser
    • 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
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser

Definitions

  • the second cooling fluid flow device 22 has a pump 22 A.
  • a flow rate of the second cooling fluid to be supplied to the second condensing part 122 can be regulated.
  • a cooling capacity of the refrigerant in the second condensing part 122 can be regulated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Air Conditioning Control Device (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
US17/593,141 2019-05-10 2020-04-30 Refrigerant condition detection device, refrigerant condition detection method, and temperature control system Abandoned US20220186999A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019089951A JP7210018B2 (ja) 2019-05-10 2019-05-10 冷媒状態検知装置、冷媒状態検知方法及び温調システム
JP2019-089951 2019-05-10
PCT/JP2020/018223 WO2020230641A1 (ja) 2019-05-10 2020-04-30 冷媒状態検知装置、冷媒状態検知方法及び温調システム

Publications (1)

Publication Number Publication Date
US20220186999A1 true US20220186999A1 (en) 2022-06-16

Family

ID=73222734

Family Applications (1)

Application Number Title Priority Date Filing Date
US17/593,141 Abandoned US20220186999A1 (en) 2019-05-10 2020-04-30 Refrigerant condition detection device, refrigerant condition detection method, and temperature control system

Country Status (6)

Country Link
US (1) US20220186999A1 (ja)
JP (1) JP7210018B2 (ja)
KR (1) KR20220006029A (ja)
CN (1) CN113677940A (ja)
TW (1) TW202108943A (ja)
WO (1) WO2020230641A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020242736A1 (en) * 2019-05-24 2020-12-03 Carrier Corporation Low refrigerant charge detection in transport refrigeration system
CN114659232B (zh) * 2022-05-10 2024-03-12 长虹美菱股份有限公司 一种冰箱及其冷媒泄露检测方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09105567A (ja) * 1995-10-06 1997-04-22 Denso Corp 冷凍装置
CN100513944C (zh) * 2005-02-24 2009-07-15 三菱电机株式会社 空调装置
CN101836060A (zh) * 2007-10-23 2010-09-15 大金工业株式会社 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
US20170030227A1 (en) * 2014-04-16 2017-02-02 Orcan Energy Ag Device and method for recognizing leaks in closed circular processes
US20170234561A1 (en) * 2016-02-11 2017-08-17 Liebert Corporation Systems and methods for detecting degradation of a component in an air conditioning system
KR20170136458A (ko) * 2017-07-17 2017-12-11 (주)에코알앤에스 불응축가스를 퍼지할 수 있는 냉각장치 및 냉각장치의 유지보수방법
CN106471319B (zh) * 2014-06-24 2019-04-23 洋马株式会社 热泵式冷却装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4123764B2 (ja) * 2001-11-22 2008-07-23 三菱電機株式会社 冷凍サイクル装置
JP3811153B2 (ja) * 2003-10-28 2006-08-16 松下電器産業株式会社 冷凍サイクル装置およびその制御方法
JP2005140409A (ja) 2003-11-06 2005-06-02 Matsushita Electric Ind Co Ltd 冷蔵庫
CN104344622B (zh) * 2013-07-25 2016-09-07 广东美的暖通设备有限公司 风冷热泵冷热水机及其换热器防冻方法、系统
CN104879972A (zh) * 2015-06-03 2015-09-02 广东美的暖通设备有限公司 制冷系统及其自动充注冷媒的方法、装置
JP2017075761A (ja) * 2015-10-16 2017-04-20 ダイキン工業株式会社 水加熱装置
JP2019002639A (ja) 2017-06-16 2019-01-10 日立ジョンソンコントロールズ空調株式会社 空気調和機の冷媒漏洩検知方法、および、空気調和機

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09105567A (ja) * 1995-10-06 1997-04-22 Denso Corp 冷凍装置
CN100513944C (zh) * 2005-02-24 2009-07-15 三菱电机株式会社 空调装置
CN101836060A (zh) * 2007-10-23 2010-09-15 大金工业株式会社 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
US20170030227A1 (en) * 2014-04-16 2017-02-02 Orcan Energy Ag Device and method for recognizing leaks in closed circular processes
CN106471319B (zh) * 2014-06-24 2019-04-23 洋马株式会社 热泵式冷却装置
US20170234561A1 (en) * 2016-02-11 2017-08-17 Liebert Corporation Systems and methods for detecting degradation of a component in an air conditioning system
KR20170136458A (ko) * 2017-07-17 2017-12-11 (주)에코알앤에스 불응축가스를 퍼지할 수 있는 냉각장치 및 냉각장치의 유지보수방법

Also Published As

Publication number Publication date
JP7210018B2 (ja) 2023-01-23
JP2020186827A (ja) 2020-11-19
KR20220006029A (ko) 2022-01-14
WO2020230641A1 (ja) 2020-11-19
TW202108943A (zh) 2021-03-01
CN113677940A (zh) 2021-11-19

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Effective date: 20210930

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