EP3680578A4 - Heat pump system and air conditioner - Google Patents

Heat pump system and air conditioner Download PDF

Info

Publication number
EP3680578A4
EP3680578A4 EP19801655.2A EP19801655A EP3680578A4 EP 3680578 A4 EP3680578 A4 EP 3680578A4 EP 19801655 A EP19801655 A EP 19801655A EP 3680578 A4 EP3680578 A4 EP 3680578A4
Authority
EP
European Patent Office
Prior art keywords
air conditioner
heat pump
pump system
heat
conditioner
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
EP19801655.2A
Other languages
German (de)
French (fr)
Other versions
EP3680578A1 (en
EP3680578B1 (en
Inventor
designation of the inventor has not yet been filed The
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.)
GD Midea Heating and Ventilating Equipment Co Ltd
Hefei Midea Heating and Ventilating Equipment Co Ltd
Original Assignee
GD Midea Heating and Ventilating Equipment Co Ltd
Hefei 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 GD Midea Heating and Ventilating Equipment Co Ltd, Hefei Midea Heating and Ventilating Equipment Co Ltd filed Critical GD Midea Heating and Ventilating Equipment Co Ltd
Publication of EP3680578A1 publication Critical patent/EP3680578A1/en
Publication of EP3680578A4 publication Critical patent/EP3680578A4/en
Application granted granted Critical
Publication of EP3680578B1 publication Critical patent/EP3680578B1/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
    • 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
    • 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
    • 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
    • F25B47/025—Defrosting cycles hot gas defrosting by reversing the 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/008—Refrigerant heaters
    • 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
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way 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
    • F25B2347/00—Details for preventing or removing deposits or corrosion
    • F25B2347/02—Details of defrosting cycles
    • F25B2347/023—Set point 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
    • 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
    • F25B2500/26—Problems to be solved characterised by the startup of the refrigeration cycle
EP19801655.2A 2018-10-24 2019-05-30 Heat pump system and air conditioner Active EP3680578B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811253993.8A CN109405335B (en) 2018-10-24 2018-10-24 Heat pump system and air conditioner
PCT/CN2019/089266 WO2020082735A1 (en) 2018-10-24 2019-05-30 Heat pump system and air conditioner

Publications (3)

Publication Number Publication Date
EP3680578A1 EP3680578A1 (en) 2020-07-15
EP3680578A4 true EP3680578A4 (en) 2020-08-05
EP3680578B1 EP3680578B1 (en) 2022-12-28

Family

ID=65469801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19801655.2A Active EP3680578B1 (en) 2018-10-24 2019-05-30 Heat pump system and air conditioner

Country Status (4)

Country Link
US (1) US20210364206A1 (en)
EP (1) EP3680578B1 (en)
CN (1) CN109405335B (en)
WO (1) WO2020082735A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109405335B (en) * 2018-10-24 2020-05-22 广东美的暖通设备有限公司 Heat pump system and air conditioner
CN111780465A (en) * 2020-06-22 2020-10-16 上海爱斯达克汽车空调系统有限公司 Shutdown-free electric automobile heat pump defrosting system and operation method thereof
CN115076966A (en) * 2021-03-15 2022-09-20 广东美的暖通设备有限公司 Control method and device of air conditioner
CN113587469B (en) * 2021-08-02 2022-11-15 珠海格力节能环保制冷技术研究中心有限公司 Control device and method of temperature control system and temperature control system
CN114110846B (en) * 2021-11-23 2023-05-02 珠海格力电器股份有限公司 Energy storage heat pump system and control method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727726A (en) * 1986-10-31 1988-03-01 Kabushiki Kaisha Toshiba Refrigeration cycle apparatus
KR101436637B1 (en) * 2008-01-21 2014-09-01 엘지전자 주식회사 cooling and heating system and controling method of the same
CN105865073A (en) * 2016-04-18 2016-08-17 广东美的制冷设备有限公司 Air conditioning system and control method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009287903A (en) * 2008-06-02 2009-12-10 Kansai Electric Power Co Inc:The Thermal storage type heat pump device
CN103791569B (en) * 2012-10-30 2016-10-05 珠海格力电器股份有限公司 Heat pump type air corditioning system
CN203964489U (en) * 2014-07-01 2014-11-26 珠海格力电器股份有限公司 Air conditioner heat pump system
CN108224840B (en) * 2018-01-25 2023-08-15 珠海格力电器股份有限公司 Heat pump air conditioning system and control method
CN109405335B (en) * 2018-10-24 2020-05-22 广东美的暖通设备有限公司 Heat pump system and air conditioner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727726A (en) * 1986-10-31 1988-03-01 Kabushiki Kaisha Toshiba Refrigeration cycle apparatus
KR101436637B1 (en) * 2008-01-21 2014-09-01 엘지전자 주식회사 cooling and heating system and controling method of the same
CN105865073A (en) * 2016-04-18 2016-08-17 广东美的制冷设备有限公司 Air conditioning system and control method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020082735A1 *

Also Published As

Publication number Publication date
WO2020082735A1 (en) 2020-04-30
EP3680578A1 (en) 2020-07-15
US20210364206A1 (en) 2021-11-25
EP3680578B1 (en) 2022-12-28
CN109405335A (en) 2019-03-01
CN109405335B (en) 2020-05-22

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