EP0715134A3 - Refrigerating cycle - Google Patents

Refrigerating cycle Download PDF

Info

Publication number
EP0715134A3
EP0715134A3 EP95117514A EP95117514A EP0715134A3 EP 0715134 A3 EP0715134 A3 EP 0715134A3 EP 95117514 A EP95117514 A EP 95117514A EP 95117514 A EP95117514 A EP 95117514A EP 0715134 A3 EP0715134 A3 EP 0715134A3
Authority
EP
European Patent Office
Prior art keywords
refrigerant
mixing ratio
high boiling
refrigerant circuit
point
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Withdrawn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
EP95117514A
Other languages
German (de)
French (fr)
Other versions
EP0715134A2 (en
Inventor
Atuyumi 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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of EP0715134A2 publication Critical patent/EP0715134A2/en
Publication of EP0715134A3 publication Critical patent/EP0715134A3/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Withdrawn legal-status Critical Current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
    • 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
    • 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
    • F25B9/006—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant containing more than one component
    • 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
    • F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • 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
    • F25B2400/16—Receivers

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)
  • Air Conditioning Control Device (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Control Of Non-Electrical Variables (AREA)

Abstract

In a refrigerating cycle (air conditioner) using mixture refrigerant, a mixing ratio of the refrigerant in a refrigerant circuit is measured by a mixing ratio detector (W1), and a controller (21) receives the detection signal to open a control valve (13) when the mixing ratio of a high boiling-point refrigerant component is low, whereby the high boiling-point refrigerant stocked in a liquid reservoir (14) is returned to the refrigerant circuit. The high boiling-point refrigerant which is supplied from the liquid reservoir (14) through the opening operation of the control valve (13) is supplied from a low pressure side of a compressor (1) into the refrigerant circuit to keep the mixing ratio of the refrigerant circulating in the refrigerant circuit to a predetermined value, thereby preventing abnormal increase of pressure of the refrigerant due to variation of the mixing ratio.
EP95117514A 1994-11-29 1995-11-07 Refrigerating cycle Withdrawn EP0715134A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP295320/94 1994-11-29
JP6295320A JPH08152207A (en) 1994-11-29 1994-11-29 Air conditioner

Publications (2)

Publication Number Publication Date
EP0715134A2 EP0715134A2 (en) 1996-06-05
EP0715134A3 true EP0715134A3 (en) 1998-01-21

Family

ID=17819095

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95117514A Withdrawn EP0715134A3 (en) 1994-11-29 1995-11-07 Refrigerating cycle

Country Status (9)

Country Link
EP (1) EP0715134A3 (en)
JP (1) JPH08152207A (en)
KR (1) KR100382813B1 (en)
CN (1) CN1174315A (en)
BR (1) BR9505560A (en)
CA (1) CA2163299A1 (en)
MY (1) MY124292A (en)
SG (1) SG34303A1 (en)
TW (1) TW339400B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3185722B2 (en) * 1997-08-20 2001-07-11 三菱電機株式会社 Refrigeration air conditioner and method for determining refrigerant composition of refrigeration air conditioner
US5848537A (en) * 1997-08-22 1998-12-15 Carrier Corporation Variable refrigerant, intrastage compression heat pump
SG88804A1 (en) 1999-12-07 2002-05-21 Sanyo Electric Co Air conditioner
JP4465860B2 (en) * 2000-11-20 2010-05-26 株式会社富士通ゼネラル Air conditioner refrigeration equipment
ATE360200T1 (en) * 2001-09-21 2007-05-15 Infineon Technologies Ag CELL FOR MEASURING THE CONCENTRATION OF A COMPONENT OF A TWO-COMPONENT LIQUID MIXTURE, A DEVICE AND AN ETCHING SYSTEM
SE528734C2 (en) * 2005-06-13 2007-02-06 Svenning Ericsson Cooling system e.g. air conditioner has expansion valve membrane and valve mechanism which control opening of expansion valve based on amount of liquid vaporized in signal channels
CN204593592U (en) * 2014-03-03 2015-08-26 三菱电机株式会社 air conditioner
DE102014104709A1 (en) * 2014-04-02 2015-10-08 Krones Ag Container treatment plant with refrigeration system and method for starting up a refrigeration system of a container treatment plant
JP6260446B2 (en) * 2014-05-09 2018-01-17 旭硝子株式会社 Thermal cycle system
CN105349105B (en) * 2014-08-21 2019-03-26 詹治平 Refrigerant composition
CN105444446B (en) * 2014-08-27 2017-12-19 维谛技术有限公司 A kind of refrigeration control system of computer room, method and device
JP6495048B2 (en) * 2015-02-26 2019-04-03 三菱重工サーマルシステムズ株式会社 Oil return circuit and oil return method for refrigeration cycle
CN106895532A (en) * 2017-04-28 2017-06-27 朱玲 A kind of negative pressure higher boiling working medium refrigeration system
CN108444157B (en) * 2018-04-09 2023-09-22 杨厚成 Mixed working medium filling system and method for acoustic energy refrigerator
CN112313458A (en) * 2018-09-12 2021-02-02 开利公司 Liquid receivers for heating, air conditioning and refrigeration systems
AU2019347228B9 (en) * 2018-09-28 2022-08-11 Daikin Industries, Ltd. Refrigeration cycle apparatus and control method thereof
EP3859241B1 (en) 2018-09-28 2024-07-10 Daikin Industries, Ltd. Refrigerant filling method
CN110500688B (en) * 2019-09-24 2024-04-16 华北理工大学 Dilution type refrigeration heat pump system for air conditioning by utilizing dilution heat

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2277138A (en) * 1938-08-31 1942-03-24 Honeywell Regulator Co Air conditioning system
US3668882A (en) * 1970-04-29 1972-06-13 Exxon Research Engineering Co Refrigeration inventory control
US5186012A (en) * 1991-09-24 1993-02-16 Institute Of Gas Technology Refrigerant composition control system for use in heat pumps using non-azeotropic refrigerant mixtures
EP0586193A1 (en) * 1992-08-31 1994-03-09 Hitachi, Ltd. Refrigeration cycle
EP0631095A2 (en) * 1993-06-24 1994-12-28 Hitachi, Ltd. Refrigeration cycle and method of controlling the refrigeration composition ratio of the refrigeration cycle

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS542561A (en) 1977-06-08 1979-01-10 Toshiba Corp Heat-pump-type air conditioner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2277138A (en) * 1938-08-31 1942-03-24 Honeywell Regulator Co Air conditioning system
US3668882A (en) * 1970-04-29 1972-06-13 Exxon Research Engineering Co Refrigeration inventory control
US5186012A (en) * 1991-09-24 1993-02-16 Institute Of Gas Technology Refrigerant composition control system for use in heat pumps using non-azeotropic refrigerant mixtures
EP0586193A1 (en) * 1992-08-31 1994-03-09 Hitachi, Ltd. Refrigeration cycle
EP0631095A2 (en) * 1993-06-24 1994-12-28 Hitachi, Ltd. Refrigeration cycle and method of controlling the refrigeration composition ratio of the refrigeration cycle

Also Published As

Publication number Publication date
SG34303A1 (en) 1996-12-06
KR100382813B1 (en) 2003-08-14
CN1174315A (en) 1998-02-25
BR9505560A (en) 1997-11-04
KR960018427A (en) 1996-06-17
CA2163299A1 (en) 1996-05-30
TW339400B (en) 1998-09-01
MY124292A (en) 2006-06-30
JPH08152207A (en) 1996-06-11
EP0715134A2 (en) 1996-06-05

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