EP3517848A4 - Multi-split air conditioning system and switching control method for operating mode of indoor units thereof - Google Patents

Multi-split air conditioning system and switching control method for operating mode of indoor units thereof Download PDF

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Publication number
EP3517848A4
EP3517848A4 EP16916102.3A EP16916102A EP3517848A4 EP 3517848 A4 EP3517848 A4 EP 3517848A4 EP 16916102 A EP16916102 A EP 16916102A EP 3517848 A4 EP3517848 A4 EP 3517848A4
Authority
EP
European Patent Office
Prior art keywords
control method
air conditioning
operating mode
conditioning system
switching control
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
EP16916102.3A
Other languages
German (de)
French (fr)
Other versions
EP3517848A1 (en
EP3517848B1 (en
Inventor
Jun Zhou
Shihong YANG
Zibao ZHUANG
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.)
Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment 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 Midea Group Co Ltd, GD Midea Heating and Ventilating Equipment Co Ltd filed Critical Midea Group Co Ltd
Publication of EP3517848A1 publication Critical patent/EP3517848A1/en
Publication of EP3517848A4 publication Critical patent/EP3517848A4/en
Application granted granted Critical
Publication of EP3517848B1 publication Critical patent/EP3517848B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • 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
    • 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using 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
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • 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
    • 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
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F24F11/67—Switching between heating and cooling modes
    • 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
    • F25B2313/006—Compression machines, plants or systems with reversible cycle not otherwise provided for two pipes connecting the outdoor side to the indoor side with multiple indoor 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
    • 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
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0234—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in series 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
    • F25B2500/00—Problems to be solved
    • F25B2500/12—Sound
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2507—Flow-diverting 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2515—Flow 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2519—On-off valves

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)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Air Conditioning Control Device (AREA)
EP16916102.3A 2016-09-19 2016-11-04 Multi-split air conditioning system and switching control method for operating mode of indoor units thereof Active EP3517848B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610832075.5A CN106440455B (en) 2016-09-19 2016-09-19 The method for handover control of multi-line system and its indoor unit operational mode
PCT/CN2016/104675 WO2018049722A1 (en) 2016-09-19 2016-11-04 Multi-split air conditioning system and switching control method for operating mode of indoor units thereof

Publications (3)

Publication Number Publication Date
EP3517848A1 EP3517848A1 (en) 2019-07-31
EP3517848A4 true EP3517848A4 (en) 2019-10-09
EP3517848B1 EP3517848B1 (en) 2020-06-24

Family

ID=58165710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16916102.3A Active EP3517848B1 (en) 2016-09-19 2016-11-04 Multi-split air conditioning system and switching control method for operating mode of indoor units thereof

Country Status (5)

Country Link
US (1) US20190212024A1 (en)
EP (1) EP3517848B1 (en)
CN (1) CN106440455B (en)
CA (1) CA3037194A1 (en)
WO (1) WO2018049722A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107940796B (en) * 2017-12-11 2020-06-30 广东美的暖通设备有限公司 Multi-split air conditioner system and starting control method of outdoor unit thereof
CN109798628B (en) * 2019-01-25 2021-01-05 广东美的暖通设备有限公司 Method and device for controlling pressure difference of refrigerant flow dividing device
CN109916044B (en) * 2019-02-02 2020-10-13 广东美的暖通设备有限公司 Mode switching control method and air conditioning system
KR20200114031A (en) * 2019-03-27 2020-10-07 엘지전자 주식회사 An air conditioning apparatus
CN110440492B (en) * 2019-08-16 2021-05-14 宁波奥克斯电气股份有限公司 Air conditioner control method and device and air conditioner
CN111473467B (en) * 2020-04-24 2021-09-21 宁波奥克斯电气股份有限公司 Control method and device for reducing noise by controlling differential pressure and air conditioner
WO2022038708A1 (en) * 2020-08-19 2022-02-24 三菱電機株式会社 Air conditioner
CN114646127B (en) * 2022-04-19 2023-09-19 青岛海信日立空调系统有限公司 Air conditioning system and refrigerant circulation abnormality detection method
CN114811863B (en) * 2022-05-16 2023-06-02 美的集团武汉暖通设备有限公司 Control method of multi-split air conditioner, controller, air conditioner and medium
CN115183426B (en) * 2022-07-28 2024-03-08 广东美的制冷设备有限公司 Control method of multi-split air conditioner, multi-split air conditioner and storage medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237833A (en) * 1991-01-10 1993-08-24 Mitsubishi Denki Kabushiki Kaisha Air-conditioning system
CN104748239A (en) * 2015-03-31 2015-07-01 广东美的暖通设备有限公司 Multi-split system
EP2905552A1 (en) * 2012-10-01 2015-08-12 Mitsubishi Electric Corporation Air conditioning device

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JP2001174090A (en) * 1999-12-20 2001-06-29 Fujitsu General Ltd Multiple-chamber air-conditioner
KR100447204B1 (en) * 2002-08-22 2004-09-04 엘지전자 주식회사 Multi-type air conditioner for cooling/heating the same time and method for controlling the same
US6892553B1 (en) * 2003-10-24 2005-05-17 Carrier Corporation Combined expansion device and four-way reversing valve in economized heat pumps
KR100619775B1 (en) * 2005-02-15 2006-09-11 엘지전자 주식회사 Multi-air conditioner capable of cooling and heating simultaneously
CN201007582Y (en) * 2007-02-13 2008-01-16 珠海格力电器股份有限公司 Air-conditioning unit capable of refrigeration and heat-production simultaneously
CN101592388B (en) * 2008-05-27 2013-10-30 海尔集团公司 Control method for complete machine capability of variable-capacity multi-connected unit and control system therefor
CN105115063A (en) * 2015-10-14 2015-12-02 珠海格力电器股份有限公司 Air-conditioning system
CN105588301B (en) * 2015-12-22 2018-07-10 广东美的暖通设备有限公司 Signal wire self checking method between multi-line system and its part flow arrangement and indoor unit
CN105627507B (en) * 2015-12-24 2019-01-04 珠海格力电器股份有限公司 The control method and device of four-way valve
CN105737334B (en) * 2016-02-22 2018-11-20 广东美的暖通设备有限公司 Multi-line system and its mode switch control method
CN105571082B (en) * 2016-02-22 2018-06-29 广东美的暖通设备有限公司 Multi-line system and its mode switch control method
CN105737335B (en) * 2016-02-22 2018-09-07 广东美的暖通设备有限公司 Multi-line system and its mode switch control method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237833A (en) * 1991-01-10 1993-08-24 Mitsubishi Denki Kabushiki Kaisha Air-conditioning system
EP2905552A1 (en) * 2012-10-01 2015-08-12 Mitsubishi Electric Corporation Air conditioning device
CN104748239A (en) * 2015-03-31 2015-07-01 广东美的暖通设备有限公司 Multi-split system

Also Published As

Publication number Publication date
CA3037194A1 (en) 2018-03-22
CN106440455B (en) 2019-04-30
EP3517848A1 (en) 2019-07-31
CN106440455A (en) 2017-02-22
US20190212024A1 (en) 2019-07-11
EP3517848B1 (en) 2020-06-24
WO2018049722A1 (en) 2018-03-22

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