EP3892928A4 - AIR CONDITIONER - Google Patents

AIR CONDITIONER Download PDF

Info

Publication number
EP3892928A4
EP3892928A4 EP18942549.9A EP18942549A EP3892928A4 EP 3892928 A4 EP3892928 A4 EP 3892928A4 EP 18942549 A EP18942549 A EP 18942549A EP 3892928 A4 EP3892928 A4 EP 3892928A4
Authority
EP
European Patent Office
Prior art keywords
air conditioner
conditioner
air
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.)
Granted
Application number
EP18942549.9A
Other languages
German (de)
French (fr)
Other versions
EP3892928A1 (en
EP3892928B1 (en
Inventor
Masakazu Sato
Atsushi Kawashima
Yusuke Tashiro
Yasuhide Hayamaru
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 Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3892928A1 publication Critical patent/EP3892928A1/en
Publication of EP3892928A4 publication Critical patent/EP3892928A4/en
Application granted granted Critical
Publication of EP3892928B1 publication Critical patent/EP3892928B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F24F1/16—Arrangement or mounting thereof
    • 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
    • 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
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • 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
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
    • F25B2313/0251—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units being defrosted alternately
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
    • F25B2313/0253—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units in parallel arrangements
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/031—Sensor arrangements
    • F25B2313/0315—Temperature sensors near the outdoor 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
    • F25B2700/2106—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
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21174—Temperatures of an evaporator of the refrigerant at the inlet of the evaporator

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)
  • Other Air-Conditioning Systems (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
EP18942549.9A 2018-12-04 2018-12-04 Air-conditioning apparatus Active EP3892928B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/044519 WO2020115812A1 (en) 2018-12-04 2018-12-04 Air conditioner

Publications (3)

Publication Number Publication Date
EP3892928A1 EP3892928A1 (en) 2021-10-13
EP3892928A4 true EP3892928A4 (en) 2021-12-15
EP3892928B1 EP3892928B1 (en) 2024-07-24

Family

ID=70975423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18942549.9A Active EP3892928B1 (en) 2018-12-04 2018-12-04 Air-conditioning apparatus

Country Status (5)

Country Link
US (1) US20220049869A1 (en)
EP (1) EP3892928B1 (en)
JP (1) JP6964803B2 (en)
CN (1) CN113167486B (en)
WO (1) WO2020115812A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111637593A (en) * 2020-05-25 2020-09-08 宁波奥克斯电气股份有限公司 Air conditioner capable of delaying frost formation and control method thereof
JP7185158B1 (en) * 2021-10-07 2022-12-07 ダイキン工業株式会社 Heat source unit and air conditioner
KR20230135892A (en) 2022-03-17 2023-09-26 삼성전자주식회사 air conditioner and controlling method thereof
CN115419965B (en) * 2022-09-14 2024-08-09 珠海格力电器股份有限公司 Air conditioner and control method and device thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2204625A1 (en) * 2009-01-06 2010-07-07 Lg Electronics Inc. Air conditioner and defrosting operation method of the same
EP2927623A1 (en) * 2012-11-29 2015-10-07 Mitsubishi Electric Corporation Air-conditioning device
WO2017199289A1 (en) * 2016-05-16 2017-11-23 三菱電機株式会社 Air conditioning device
EP3348937A1 (en) * 2015-09-09 2018-07-18 Mitsubishi Electric Corporation Air conditioner

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5219023A (en) * 1992-03-09 1993-06-15 General Motors Corporation Three row condenser with high efficiency flow path
US5315836A (en) * 1993-01-15 1994-05-31 Mccormack Manufacturing Co., Inc. Air cooling unit having a hot gas defrost circuit
JP4760542B2 (en) * 2006-05-31 2011-08-31 ダイキン工業株式会社 Heat exchanger
JP4272224B2 (en) 2006-09-07 2009-06-03 日立アプライアンス株式会社 Air conditioner
JP2009264605A (en) * 2008-04-22 2009-11-12 Daikin Ind Ltd Refrigerating device
JP2010139097A (en) * 2008-12-09 2010-06-24 Mitsubishi Electric Corp Air conditioner
CN102338592B (en) * 2010-07-27 2013-04-24 约克广州空调冷冻设备有限公司 Heat exchanger for heat pump of air conditioner
JP6085255B2 (en) * 2012-01-24 2017-02-22 三菱電機株式会社 Air conditioner
US10775060B2 (en) * 2013-10-24 2020-09-15 Mitsubishi Electric Corporation Air-conditioning apparatus
EP3015793B1 (en) * 2014-10-29 2018-01-10 LG Electronics Inc. Air conditioner and method of controlling the same
JP6320567B2 (en) * 2015-01-13 2018-05-09 三菱電機株式会社 Air conditioner
GB2552259B (en) * 2015-01-23 2020-07-22 Mitsubishi Electric Corp Outdoor unit for air-conditioning apparatus
KR102447943B1 (en) * 2018-02-05 2022-09-28 엘지전자 주식회사 air conditioner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2204625A1 (en) * 2009-01-06 2010-07-07 Lg Electronics Inc. Air conditioner and defrosting operation method of the same
EP2927623A1 (en) * 2012-11-29 2015-10-07 Mitsubishi Electric Corporation Air-conditioning device
EP3348937A1 (en) * 2015-09-09 2018-07-18 Mitsubishi Electric Corporation Air conditioner
WO2017199289A1 (en) * 2016-05-16 2017-11-23 三菱電機株式会社 Air conditioning device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020115812A1 *

Also Published As

Publication number Publication date
WO2020115812A1 (en) 2020-06-11
CN113167486B (en) 2022-10-14
JPWO2020115812A1 (en) 2021-09-02
EP3892928A1 (en) 2021-10-13
EP3892928B1 (en) 2024-07-24
US20220049869A1 (en) 2022-02-17
JP6964803B2 (en) 2021-11-10
CN113167486A (en) 2021-07-23

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