EP4033178A4 - Heat source unit and refrigeration device - Google Patents

Heat source unit and refrigeration device Download PDF

Info

Publication number
EP4033178A4
EP4033178A4 EP20871109.3A EP20871109A EP4033178A4 EP 4033178 A4 EP4033178 A4 EP 4033178A4 EP 20871109 A EP20871109 A EP 20871109A EP 4033178 A4 EP4033178 A4 EP 4033178A4
Authority
EP
European Patent Office
Prior art keywords
heat source
source unit
refrigeration device
refrigeration
unit
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
EP20871109.3A
Other languages
German (de)
French (fr)
Other versions
EP4033178B1 (en
EP4033178A1 (en
Inventor
Azuma Kondou
Takeo Ueno
Takahito Nakayama
Takamasa Itou
Satoru Sakae
Chiharu Tomita
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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
Priority claimed from JP2019180679A external-priority patent/JP6849037B1/en
Priority claimed from JP2019180683A external-priority patent/JP6787465B1/en
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP4033178A1 publication Critical patent/EP4033178A1/en
Publication of EP4033178A4 publication Critical patent/EP4033178A4/en
Application granted granted Critical
Publication of EP4033178B1 publication Critical patent/EP4033178B1/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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • 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
    • F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
    • 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
    • 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
    • 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
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/075—Details of compressors or related parts with parallel compressors
    • 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
    • F25B2600/2509—Economiser 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
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
    • 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
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser
    • 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
    • F25B47/025—Defrosting cycles hot gas defrosting by reversing the cycle

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP20871109.3A 2019-09-30 2020-07-17 Refrigeration device Active EP4033178B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019180679A JP6849037B1 (en) 2019-09-30 2019-09-30 Heat source unit, freezing equipment, and supercooling unit
JP2019180683A JP6787465B1 (en) 2019-09-30 2019-09-30 Heat source unit and refrigeration equipment
PCT/JP2020/027906 WO2021065156A1 (en) 2019-09-30 2020-07-17 Heat source unit and refrigeration device

Publications (3)

Publication Number Publication Date
EP4033178A1 EP4033178A1 (en) 2022-07-27
EP4033178A4 true EP4033178A4 (en) 2022-10-26
EP4033178B1 EP4033178B1 (en) 2024-05-29

Family

ID=75338048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20871109.3A Active EP4033178B1 (en) 2019-09-30 2020-07-17 Refrigeration device

Country Status (3)

Country Link
EP (1) EP4033178B1 (en)
CN (1) CN114341569B (en)
WO (1) WO2021065156A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024023988A1 (en) * 2022-07-27 2024-02-01 三菱電機株式会社 Refrigeration cycle device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009287800A (en) * 2008-05-27 2009-12-10 Daikin Ind Ltd Refrigerating device
JP2010236712A (en) * 2009-03-30 2010-10-21 Daikin Ind Ltd Refrigerating device
JP2015068571A (en) * 2013-09-30 2015-04-13 ダイキン工業株式会社 Refrigeration unit

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09318178A (en) * 1996-05-28 1997-12-12 Matsushita Electric Ind Co Ltd Air conditioner
CN101413745B (en) * 2007-10-17 2013-02-06 开利公司 Middle and low temperature integrated type refrigerated storage / refrigerating system with air discharging and defrosting functions
JP2009133820A (en) * 2007-10-31 2009-06-18 Hitachi-Ge Nuclear Energy Ltd Nuclear power generation system of fast breeder reactor type
CN102884384A (en) * 2010-09-27 2013-01-16 东芝开利株式会社 Hot water supply system
JP2015048983A (en) 2013-09-02 2015-03-16 株式会社マック Over-cooler and steam compression type refrigeration cycle having the over-cooler incorporated
JP5988953B2 (en) * 2013-11-19 2016-09-07 三菱電機株式会社 Heat pump water heater
JP2015132413A (en) * 2014-01-10 2015-07-23 ダイキン工業株式会社 Refrigeration device
JP2019082316A (en) * 2017-10-31 2019-05-30 ダイキン工業株式会社 Refrigerant cycle device
JP7138696B2 (en) * 2018-03-02 2022-09-16 三菱電機株式会社 air conditioning system
CN108240715B (en) * 2018-03-19 2023-12-29 吉林大学 High-efficient air supplementing type heat pump air conditioning system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009287800A (en) * 2008-05-27 2009-12-10 Daikin Ind Ltd Refrigerating device
JP2010236712A (en) * 2009-03-30 2010-10-21 Daikin Ind Ltd Refrigerating device
JP2015068571A (en) * 2013-09-30 2015-04-13 ダイキン工業株式会社 Refrigeration unit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021065156A1 *

Also Published As

Publication number Publication date
CN114341569B (en) 2023-04-28
EP4033178B1 (en) 2024-05-29
WO2021065156A1 (en) 2021-04-08
EP4033178A1 (en) 2022-07-27
CN114341569A (en) 2022-04-12

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