EP4328522A4 - BINARY REFRIGERATION CYCLE DEVICE - Google Patents

BINARY REFRIGERATION CYCLE DEVICE Download PDF

Info

Publication number
EP4328522A4
EP4328522A4 EP21937876.7A EP21937876A EP4328522A4 EP 4328522 A4 EP4328522 A4 EP 4328522A4 EP 21937876 A EP21937876 A EP 21937876A EP 4328522 A4 EP4328522 A4 EP 4328522A4
Authority
EP
European Patent Office
Prior art keywords
refrigeration cycle
cycle device
binary refrigeration
binary
refrigeration
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Withdrawn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
EP21937876.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4328522A1 (en
Inventor
Takumi NISHIYAMA
Tomotaka Ishikawa
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 EP4328522A1 publication Critical patent/EP4328522A1/en
Publication of EP4328522A4 publication Critical patent/EP4328522A4/en
Withdrawn legal-status Critical Current

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
    • F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
    • 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
    • F25B49/022—Compressor control 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
    • 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
    • F25B49/027—Condenser control 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
    • F25B6/00—Compression machines, plants or systems, with several condenser circuits
    • F25B6/04—Compression machines, plants or systems, with several condenser circuits arranged in series
    • 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—Component parts or details not otherwise provided for in this subclass
    • F25B2400/12—Inflammable refrigerants
    • F25B2400/121—Inflammable refrigerants using R1234
    • 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—Component parts or details not otherwise provided for in this subclass
    • F25B2400/16—Receivers
    • 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
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0253—Compressor control by controlling speed with variable 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
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • 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
    • F25B2700/2115—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
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide

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)
EP21937876.7A 2021-04-21 2021-04-21 BINARY REFRIGERATION CYCLE DEVICE Withdrawn EP4328522A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/016203 WO2022224382A1 (ja) 2021-04-21 2021-04-21 二元冷凍サイクル装置

Publications (2)

Publication Number Publication Date
EP4328522A1 EP4328522A1 (en) 2024-02-28
EP4328522A4 true EP4328522A4 (en) 2024-05-29

Family

ID=83722138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21937876.7A Withdrawn EP4328522A4 (en) 2021-04-21 2021-04-21 BINARY REFRIGERATION CYCLE DEVICE

Country Status (4)

Country Link
EP (1) EP4328522A4 (https=)
JP (1) JP7471515B2 (https=)
CN (1) CN117222853A (https=)
WO (1) WO2022224382A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023175821A1 (ja) * 2022-03-17 2023-09-21 三菱電機株式会社 冷凍装置、および冷凍装置の室外機

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160178244A1 (en) * 2014-12-22 2016-06-23 Heatcraft Refrigeration Products Llc Carbon Dioxide Based Auxiliary Cooling System
EP3617612A1 (en) * 2017-04-25 2020-03-04 Mitsubishi Electric Corporation Binary refrigeration device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2865799B2 (ja) * 1990-04-25 1999-03-08 株式会社日立製作所 冷凍サイクル装置
WO2012066763A1 (ja) * 2010-11-15 2012-05-24 三菱電機株式会社 冷凍装置
CN103250012B (zh) * 2011-03-18 2016-02-17 东芝开利株式会社 二元制冷循环装置
WO2015132966A1 (ja) * 2014-03-07 2015-09-11 三菱電機株式会社 冷凍サイクル装置
JP2017227396A (ja) * 2016-06-23 2017-12-28 サンデンホールディングス株式会社 二元冷凍サイクル装置
GB201719885D0 (en) * 2017-11-29 2018-01-10 Jtl Systems Ltd A condenser device for a refrigeration system and method of controlling thereof
US11585608B2 (en) * 2018-02-05 2023-02-21 Emerson Climate Technologies, Inc. Climate-control system having thermal storage tank
JP2020190377A (ja) * 2019-05-23 2020-11-26 ダイキン工業株式会社 冷凍装置
JPWO2021065944A1 (https=) * 2019-09-30 2021-04-08
CN111735224A (zh) * 2020-01-21 2020-10-02 天津冷源工程设计院 一种适用于多种负荷工况的制冷系统
CN111928512B (zh) * 2020-09-10 2024-08-09 四方科技集团股份有限公司 一种冷热联用多级压缩循环系统及控制方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160178244A1 (en) * 2014-12-22 2016-06-23 Heatcraft Refrigeration Products Llc Carbon Dioxide Based Auxiliary Cooling System
EP3617612A1 (en) * 2017-04-25 2020-03-04 Mitsubishi Electric Corporation Binary refrigeration device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022224382A1 *
ZHILI SUN ET AL: "Comparative analysis of thermodynamic performance of CO2 cascade refrigeration system assisted with expander and mechanical subcooling", INTERNATIONAL JOURNAL OF ENERGY RESEARCH, WILEY, CHICHESTER, GB, vol. 43, no. 14, 18 August 2019 (2019-08-18), pages 7891 - 7907, XP071644630, ISSN: 0363-907X, DOI: 10.1002/ER.4719 *

Also Published As

Publication number Publication date
EP4328522A1 (en) 2024-02-28
JPWO2022224382A1 (https=) 2022-10-27
JP7471515B2 (ja) 2024-04-19
CN117222853A (zh) 2023-12-12
WO2022224382A1 (ja) 2022-10-27

Similar Documents

Publication Publication Date Title
EP3764027A4 (en) REFRIGERATION CIRCUIT DEVICE
EP3730576A4 (en) REFRIGERATION CYCLE DEVICE
EP4130610A4 (en) REFRIGERATING CYCLE DEVICE
EP4113039A4 (en) REFRIGERATION CIRCUIT DEVICE
EP4317846A4 (en) REFRIGERATING CYCLE DEVICE
EP3798539A4 (en) REFRIGERATION CYCLE UNIT
EP4246057A4 (en) REFRIGERATION CYCLE DEVICE
EP4177539A4 (en) COOLING DEVICE
EP4257892A4 (en) REFRIGERATION CYCLE SYSTEM
EP4116641A4 (en) SEMICONDUCTOR REFRIGERATION DEVICE
EP3910263A4 (en) Refrigeration cycle device
EP4080136A4 (en) REFRIGERATION CYCLE DEVICE
EP4137754A4 (en) BINARY COOLER
EP4317834A4 (en) REFRIGERATION CYCLE DEVICE
EP4300004A4 (en) REFRIGERATION CYCLE DEVICE
EP3862649A4 (en) REFRIGERATION CIRCUIT DEVICE
EP3910262A4 (en) Refrigeration cycle device
PL3936787T3 (pl) Urządzenie z cyklem chłodniczym
EP4089346A4 (en) REFRIGERATION CIRCUIT DEVICE
EP4257893A4 (en) REFRIGERATION CYCLE SYSTEM
EP3764024A4 (en) REFRIGERATION CIRCUIT DEVICE
EP4170265A4 (en) REFRIGERATION CYCLE DEVICE
EP3981987A4 (en) Screw compressor, and refrigeration cycle device
EP4328522A4 (en) BINARY REFRIGERATION CYCLE DEVICE
EP3575711A4 (en) REFRIGERATION CIRCUIT DEVICE

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20231011

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20240430

RIC1 Information provided on ipc code assigned before grant

Ipc: F25B 1/00 20060101ALI20240424BHEP

Ipc: F25B 43/00 20060101ALI20240424BHEP

Ipc: F25B 7/00 20060101ALI20240424BHEP

Ipc: F25B 6/04 20060101AFI20240424BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20240906