EP3855089A4 - Air conditioner and control method - Google Patents

Air conditioner and control method Download PDF

Info

Publication number
EP3855089A4
EP3855089A4 EP18934249.6A EP18934249A EP3855089A4 EP 3855089 A4 EP3855089 A4 EP 3855089A4 EP 18934249 A EP18934249 A EP 18934249A EP 3855089 A4 EP3855089 A4 EP 3855089A4
Authority
EP
European Patent Office
Prior art keywords
air conditioner
control method
conditioner
air
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.)
Withdrawn
Application number
EP18934249.6A
Other languages
German (de)
French (fr)
Other versions
EP3855089A1 (en
Inventor
Akira Iuchi
Ken Miura
Naoki Imato
Hiroyuki Nagai
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.)
Toshiba Carrier Corp
Original Assignee
Toshiba Carrier 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 Toshiba Carrier Corp filed Critical Toshiba Carrier Corp
Publication of EP3855089A1 publication Critical patent/EP3855089A1/en
Publication of EP3855089A4 publication Critical patent/EP3855089A4/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Withdrawn legal-status Critical Current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
    • F24F11/70—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
    • 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
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • 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
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/10—Pressure
    • F24F2140/12—Heat-exchange fluid pressure
    • 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
    • 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
    • F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor 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
    • F25B2313/029—Control issues
    • F25B2313/0293—Control issues related to the indoor fan, e.g. controlling speed
    • 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
    • F25B2313/0314—Temperature sensors near the indoor 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
    • F25B2500/00—Problems to be solved
    • F25B2500/09—Improving heat transfers
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1931—Discharge pressures
    • 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
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)
EP18934249.6A 2018-09-20 2018-09-20 Air conditioner and control method Withdrawn EP3855089A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/034819 WO2020059077A1 (en) 2018-09-20 2018-09-20 Air conditioner and control method

Publications (2)

Publication Number Publication Date
EP3855089A1 EP3855089A1 (en) 2021-07-28
EP3855089A4 true EP3855089A4 (en) 2022-04-13

Family

ID=69888569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18934249.6A Withdrawn EP3855089A4 (en) 2018-09-20 2018-09-20 Air conditioner and control method

Country Status (5)

Country Link
EP (1) EP3855089A4 (en)
JP (1) JPWO2020059077A1 (en)
KR (1) KR20210042981A (en)
CN (1) CN112714847A (en)
WO (1) WO2020059077A1 (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11173628A (en) * 1997-12-15 1999-07-02 Mitsubishi Heavy Ind Ltd Air conditioner
JP2003287257A (en) * 2002-03-28 2003-10-10 Daikin Ind Ltd Indoor unit of air-conditioner, and the air-conditioner
JP2011149615A (en) * 2010-01-21 2011-08-04 Mitsubishi Electric Corp Air conditioning system
EP2410257A1 (en) * 2009-03-19 2012-01-25 Daikin Industries, Ltd. Air conditioning device
JP2012154600A (en) * 2011-01-28 2012-08-16 Daikin Industries Ltd Air conditioner
US20150032269A1 (en) * 2012-04-23 2015-01-29 Mitsubishi Electric Corporation Air-conditioning system
EP2835595A1 (en) * 2012-04-06 2015-02-11 Mitsubishi Heavy Industries, Ltd. Control device, method, and program, and multi-type air conditioning system comprising same
EP2955463A1 (en) * 2013-02-06 2015-12-16 Daikin Industries, Ltd. Refrigeration device
US20160273794A1 (en) * 2014-06-30 2016-09-22 Hitachi Appliances, Inc. Air conditioning apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2903997B2 (en) * 1993-09-30 1999-06-14 三菱電機株式会社 Drain pump control unit for air conditioner
JP3778117B2 (en) 2002-03-28 2006-05-24 ダイキン工業株式会社 Air conditioner
CN201652706U (en) * 2010-04-23 2010-11-24 青岛海信日立空调系统有限公司 Novel air conditioner controller
JP5998984B2 (en) * 2013-02-26 2016-09-28 株式会社富士通ゼネラル Air conditioner
CN103791588B (en) * 2014-01-21 2016-08-24 宁波奥克斯电气股份有限公司 Solve the control method that VRF Air Conditioning System cold-producing medium is on the low side
CN104896621B (en) * 2015-06-09 2017-08-29 广东美的暖通设备有限公司 The control method of multi-online air-conditioning system and multi-online air-conditioning system
CN107560092B (en) * 2017-09-25 2019-10-22 珠海格力电器股份有限公司 Multi-split air conditioner running state control method and system and heat pump multi-split air conditioner
CN108006909B (en) * 2017-11-21 2020-05-08 广东美的暖通设备有限公司 Multi-split air conditioning system and control method of electronic expansion valve in heating mode of multi-split air conditioning system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11173628A (en) * 1997-12-15 1999-07-02 Mitsubishi Heavy Ind Ltd Air conditioner
JP2003287257A (en) * 2002-03-28 2003-10-10 Daikin Ind Ltd Indoor unit of air-conditioner, and the air-conditioner
EP2410257A1 (en) * 2009-03-19 2012-01-25 Daikin Industries, Ltd. Air conditioning device
JP2011149615A (en) * 2010-01-21 2011-08-04 Mitsubishi Electric Corp Air conditioning system
JP2012154600A (en) * 2011-01-28 2012-08-16 Daikin Industries Ltd Air conditioner
EP2835595A1 (en) * 2012-04-06 2015-02-11 Mitsubishi Heavy Industries, Ltd. Control device, method, and program, and multi-type air conditioning system comprising same
US20150032269A1 (en) * 2012-04-23 2015-01-29 Mitsubishi Electric Corporation Air-conditioning system
EP2955463A1 (en) * 2013-02-06 2015-12-16 Daikin Industries, Ltd. Refrigeration device
US20160273794A1 (en) * 2014-06-30 2016-09-22 Hitachi Appliances, Inc. Air conditioning apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020059077A1 *

Also Published As

Publication number Publication date
CN112714847A (en) 2021-04-27
KR20210042981A (en) 2021-04-20
JPWO2020059077A1 (en) 2021-08-30
EP3855089A1 (en) 2021-07-28
WO2020059077A1 (en) 2020-03-26

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