EP3473946A4 - Multi-split air conditioner control device, multi-split air conditioner, multi-split air conditioner control method, and multi-split air conditioner control program - Google Patents

Multi-split air conditioner control device, multi-split air conditioner, multi-split air conditioner control method, and multi-split air conditioner control program Download PDF

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Publication number
EP3473946A4
EP3473946A4 EP17885879.1A EP17885879A EP3473946A4 EP 3473946 A4 EP3473946 A4 EP 3473946A4 EP 17885879 A EP17885879 A EP 17885879A EP 3473946 A4 EP3473946 A4 EP 3473946A4
Authority
EP
European Patent Office
Prior art keywords
air conditioner
split air
conditioner control
control device
control 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Withdrawn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
EP17885879.1A
Other languages
German (de)
French (fr)
Other versions
EP3473946A1 (en
Inventor
Masayuki Takigawa
Takahiro Kato
Tatsuhiro Yasuda
Tomohiro SAKAGUCHI
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.)
Mitsubishi Heavy Industries Thermal Systems Ltd
Original Assignee
Mitsubishi Heavy Industries Thermal Systems 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 Mitsubishi Heavy Industries Thermal Systems Ltd filed Critical Mitsubishi Heavy Industries Thermal Systems Ltd
Publication of EP3473946A1 publication Critical patent/EP3473946A1/en
Publication of EP3473946A4 publication Critical patent/EP3473946A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F24F11/41—Defrosting; Preventing freezing
    • F24F11/42—Defrosting; Preventing freezing of outdoor units
    • 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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • 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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • F25B47/022—Defrosting cycles hot gas defrosting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature

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)
  • Air Conditioning Control Device (AREA)
EP17885879.1A 2016-12-28 2017-11-22 Multi-split air conditioner control device, multi-split air conditioner, multi-split air conditioner control method, and multi-split air conditioner control program Withdrawn EP3473946A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016256599A JP2018109463A (en) 2016-12-28 2016-12-28 Controller of multiple-type air conditioner, multiple-type air conditioner, method of controlling multiple-type air conditioner, and control program for multiple-type air conditioner
PCT/JP2017/041936 WO2018123361A1 (en) 2016-12-28 2017-11-22 Multi-split air conditioner control device, multi-split air conditioner, multi-split air conditioner control method, and multi-split air conditioner control program

Publications (2)

Publication Number Publication Date
EP3473946A1 EP3473946A1 (en) 2019-04-24
EP3473946A4 true EP3473946A4 (en) 2019-06-26

Family

ID=62707199

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17885879.1A Withdrawn EP3473946A4 (en) 2016-12-28 2017-11-22 Multi-split air conditioner control device, multi-split air conditioner, multi-split air conditioner control method, and multi-split air conditioner control program

Country Status (3)

Country Link
EP (1) EP3473946A4 (en)
JP (1) JP2018109463A (en)
WO (1) WO2018123361A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110836470B (en) * 2018-08-17 2021-07-23 青岛海尔空调器有限总公司 Defrost control method for fixed frequency air conditioner
CN110836466B (en) * 2018-08-17 2021-09-24 青岛海尔空调器有限总公司 Defrost control method for fixed frequency air conditioner
CN110836467B (en) * 2018-08-17 2021-07-23 青岛海尔空调器有限总公司 Defrost control method for fixed frequency air conditioner
CN110836476A (en) * 2018-08-17 2020-02-25 青岛海尔空调器有限总公司 Defrost control method for fixed frequency air conditioner
CN109855234A (en) * 2018-11-12 2019-06-07 青岛海尔空调器有限总公司 Air conditioner and heating control method thereof
JP6835116B2 (en) * 2019-02-18 2021-02-24 ダイキン工業株式会社 Refrigeration equipment
CN111854057B (en) * 2019-04-29 2022-02-22 青岛海尔空调电子有限公司 Control method and device for defrosting of air conditioner and air conditioner
JP7408942B2 (en) * 2019-07-25 2024-01-09 株式会社富士通ゼネラル air conditioner
CN110762787B (en) * 2019-10-12 2020-12-08 青岛海信日立空调系统有限公司 A defrosting control method for a multi-connected central air-conditioning system
CN111667637A (en) * 2020-05-11 2020-09-15 中外运冷链物流有限公司 Method for calculating electricity charge of single refrigeration house of centralized refrigeration system
CN113639413B (en) * 2021-07-23 2023-05-26 青岛海尔空调电子有限公司 Defrosting control method for air conditioner and air conditioner
JP7624911B2 (en) * 2021-11-22 2025-01-31 ダイキン工業株式会社 Refrigeration Cycle Equipment
CN115950052A (en) * 2022-12-02 2023-04-11 珠海格力节能环保制冷技术研究中心有限公司 Defrosting control method and device, heat exchange system and multi-connected air conditioning unit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0282061A (en) * 1988-09-20 1990-03-22 Sanden Corp Air conditioner for multi room type dwelling building
JPH04297762A (en) * 1991-03-27 1992-10-21 Sanyo Electric Co Ltd Control method of air conditioner
EP2589896A2 (en) * 2011-10-27 2013-05-08 LG Electronics Inc. Air Conditioner

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3271296B2 (en) 1992-05-15 2002-04-02 ダイキン工業株式会社 Defrosting operation control device for refrigeration system
JP2002089980A (en) 2000-09-20 2002-03-27 Fujitsu General Ltd Air conditioner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0282061A (en) * 1988-09-20 1990-03-22 Sanden Corp Air conditioner for multi room type dwelling building
JPH04297762A (en) * 1991-03-27 1992-10-21 Sanyo Electric Co Ltd Control method of air conditioner
EP2589896A2 (en) * 2011-10-27 2013-05-08 LG Electronics Inc. Air Conditioner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018123361A1 *

Also Published As

Publication number Publication date
EP3473946A1 (en) 2019-04-24
JP2018109463A (en) 2018-07-12
WO2018123361A1 (en) 2018-07-05

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