EP3885676A4 - Kühlmittelkreislauf, kühlmittelmengenbestimmungssystem und kühlmittelmengenbestimmungsverfahren - Google Patents

Kühlmittelkreislauf, kühlmittelmengenbestimmungssystem und kühlmittelmengenbestimmungsverfahren Download PDF

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Publication number
EP3885676A4
EP3885676A4 EP19887164.2A EP19887164A EP3885676A4 EP 3885676 A4 EP3885676 A4 EP 3885676A4 EP 19887164 A EP19887164 A EP 19887164A EP 3885676 A4 EP3885676 A4 EP 3885676A4
Authority
EP
European Patent Office
Prior art keywords
amount determination
refrigerant
refrigerant amount
cycle device
determination method
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Withdrawn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
EP19887164.2A
Other languages
English (en)
French (fr)
Other versions
EP3885676A1 (de
Inventor
Noriyuki Okuda
Tooru Nishikawa
Masahiro Honda
Hiroshi Yoh
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.)
Daikin Industries Ltd
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
Publication of EP3885676A1 publication Critical patent/EP3885676A1/de
Publication of EP3885676A4 publication Critical patent/EP3885676A4/de
Withdrawn legal-status Critical Current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
    • 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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • 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
    • F25B2500/19—Calculation of parameters
    • 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
    • F25B2700/2106—Temperatures of fresh outdoor air
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
EP19887164.2A 2018-11-19 2019-11-12 Kühlmittelkreislauf, kühlmittelmengenbestimmungssystem und kühlmittelmengenbestimmungsverfahren Withdrawn EP3885676A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018216841A JP2020085280A (ja) 2018-11-19 2018-11-19 冷媒サイクル装置、冷媒量判断システム、及び、冷媒量判断方法
PCT/JP2019/044420 WO2020105515A1 (ja) 2018-11-19 2019-11-12 冷媒サイクル装置、冷媒量判断システム、及び、冷媒量判断方法

Publications (2)

Publication Number Publication Date
EP3885676A1 EP3885676A1 (de) 2021-09-29
EP3885676A4 true EP3885676A4 (de) 2022-08-10

Family

ID=70773414

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19887164.2A Withdrawn EP3885676A4 (de) 2018-11-19 2019-11-12 Kühlmittelkreislauf, kühlmittelmengenbestimmungssystem und kühlmittelmengenbestimmungsverfahren

Country Status (5)

Country Link
US (1) US20220003472A1 (de)
EP (1) EP3885676A4 (de)
JP (1) JP2020085280A (de)
CN (1) CN112888907A (de)
WO (1) WO2020105515A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11231198B2 (en) 2019-09-05 2022-01-25 Trane International Inc. Systems and methods for refrigerant leak detection in a climate control system
US12117191B2 (en) 2022-06-24 2024-10-15 Trane International Inc. Climate control system with improved leak detector
WO2024095444A1 (ja) * 2022-11-04 2024-05-10 三菱電機株式会社 空調システム

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060137370A1 (en) * 2004-12-27 2006-06-29 Carrier Corporation Refrigerant charge status indication method and device
WO2008010988A1 (en) * 2006-07-19 2008-01-24 Emerson Climate Technologies, Inc. Protection and diagnostic module for a refrigeration system
WO2008035418A1 (fr) * 2006-09-21 2008-03-27 Mitsubishi Electric Corporation SystÈme de rÉFRIGÉration/de climatisation de l'air ayant une fonction de dÉtection de fuite de rÉFRIGÉrant, rÉFRIGÉrateur/climatiseur d'air et procÉDÉ de dÉtection d'une fuite de rÉFRIGÉrant
US20140299289A1 (en) * 2013-04-05 2014-10-09 Emerson Electric Co. Heat-pump system with refrigerant charge diagnostics
EP3064867A2 (de) * 2015-03-04 2016-09-07 Fujitsu General Limited Klimaanlage
US20180283719A1 (en) * 2015-03-31 2018-10-04 Daikin Industries, Ltd. Air conditioning indoor unit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06159869A (ja) * 1992-11-18 1994-06-07 Mitsubishi Heavy Ind Ltd 空気調和機
JPH06185838A (ja) * 1992-12-16 1994-07-08 Zexel Corp 冷媒循環サイクルの冷媒不足検出装置
JP4165566B2 (ja) * 2006-01-25 2008-10-15 ダイキン工業株式会社 空気調和装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060137370A1 (en) * 2004-12-27 2006-06-29 Carrier Corporation Refrigerant charge status indication method and device
WO2008010988A1 (en) * 2006-07-19 2008-01-24 Emerson Climate Technologies, Inc. Protection and diagnostic module for a refrigeration system
WO2008035418A1 (fr) * 2006-09-21 2008-03-27 Mitsubishi Electric Corporation SystÈme de rÉFRIGÉration/de climatisation de l'air ayant une fonction de dÉtection de fuite de rÉFRIGÉrant, rÉFRIGÉrateur/climatiseur d'air et procÉDÉ de dÉtection d'une fuite de rÉFRIGÉrant
US20140299289A1 (en) * 2013-04-05 2014-10-09 Emerson Electric Co. Heat-pump system with refrigerant charge diagnostics
EP3064867A2 (de) * 2015-03-04 2016-09-07 Fujitsu General Limited Klimaanlage
US20180283719A1 (en) * 2015-03-31 2018-10-04 Daikin Industries, Ltd. Air conditioning indoor unit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020105515A1 *

Also Published As

Publication number Publication date
EP3885676A1 (de) 2021-09-29
JP2020085280A (ja) 2020-06-04
WO2020105515A1 (ja) 2020-05-28
US20220003472A1 (en) 2022-01-06
CN112888907A (zh) 2021-06-01

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