EP2434236A3 - Refrigerant system and a control method of the same - Google Patents

Refrigerant system and a control method of the same Download PDF

Info

Publication number
EP2434236A3
EP2434236A3 EP11182541.0A EP11182541A EP2434236A3 EP 2434236 A3 EP2434236 A3 EP 2434236A3 EP 11182541 A EP11182541 A EP 11182541A EP 2434236 A3 EP2434236 A3 EP 2434236A3
Authority
EP
European Patent Office
Prior art keywords
same
refrigerant system
control method
refrigerant
present
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
EP11182541.0A
Other languages
German (de)
French (fr)
Other versions
EP2434236B1 (en
EP2434236A2 (en
Inventor
Hojong Jeong
Baikyoung Chung
Jaehwa Jung
Yongcheol Sa
Byungsoon Kim
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2434236A2 publication Critical patent/EP2434236A2/en
Publication of EP2434236A3 publication Critical patent/EP2434236A3/en
Application granted granted Critical
Publication of EP2434236B1 publication Critical patent/EP2434236B1/en
Not-in-force 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
    • F25B45/00—Arrangements for charging or discharging refrigerant
    • 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
    • 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
    • F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • 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
    • F25B2400/13—Economisers
    • 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
    • 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
    • F25B2600/19—Refrigerant outlet condenser temperature
    • 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
    • F25B2700/04—Refrigerant level
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

The present invention relates to the refrigerant system in which the refrigerant amount stored in the accumulator may be adjusted by the super cooling adjustment unit according to the indoor conditioning load. Therefore, according to the present invention, the flow refrigerant amount on the refrigerant cycle may be optimally adjusted according to the indoor conditioning load, and there is an advantage that the operation efficiency may be more improved.
EP11182541.0A 2010-09-27 2011-09-23 Refrigerant system Not-in-force EP2434236B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100093470A KR101201635B1 (en) 2010-09-27 2010-09-27 An air conditioner

Publications (3)

Publication Number Publication Date
EP2434236A2 EP2434236A2 (en) 2012-03-28
EP2434236A3 true EP2434236A3 (en) 2015-06-03
EP2434236B1 EP2434236B1 (en) 2018-11-07

Family

ID=44970932

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11182541.0A Not-in-force EP2434236B1 (en) 2010-09-27 2011-09-23 Refrigerant system

Country Status (4)

Country Link
US (1) US20120073313A1 (en)
EP (1) EP2434236B1 (en)
KR (1) KR101201635B1 (en)
CN (1) CN102418959A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110219790A1 (en) * 2010-03-14 2011-09-15 Trane International Inc. System and Method For Charging HVAC System
CN108966594B (en) * 2012-05-02 2021-07-13 保锐科技股份有限公司 Water-cooling heat dissipation system
JP5842733B2 (en) * 2012-05-23 2016-01-13 ダイキン工業株式会社 Refrigeration equipment
KR102031871B1 (en) * 2012-07-17 2019-11-08 엘지전자 주식회사 An air conditioner
KR101426998B1 (en) * 2012-08-02 2014-08-06 엘지전자 주식회사 An air conditioner
KR102008710B1 (en) * 2013-01-22 2019-08-09 엘지전자 주식회사 An air conditioner and a control method the same
CN106032949B (en) * 2015-03-09 2020-01-10 大金工业株式会社 Refrigerating device
US20170016659A1 (en) * 2015-07-14 2017-01-19 Nortek Global Hvac Llc Refrigerant charge and control method for heat pump systems
CN105066287A (en) * 2015-07-20 2015-11-18 特灵空调系统(中国)有限公司 Multi-split air conditioner and control method thereof
KR20190000254A (en) 2017-06-22 2019-01-02 엘지전자 주식회사 Air conditioner

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794328A (en) * 1954-06-29 1957-06-04 Gen Electric Variable temperature refrigeration
JPH085163A (en) * 1994-06-16 1996-01-12 Mitsubishi Heavy Ind Ltd Refrigerating cycle device
JP2001027460A (en) * 1993-12-28 2001-01-30 Mitsubishi Electric Corp Refrigeration cycle system
EP1795834A2 (en) * 2005-12-06 2007-06-13 Sanden Corporation Vapor compression refrigerating system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493193A (en) * 1982-03-05 1985-01-15 Rutherford C. Lake, Jr. Reversible cycle heating and cooling system
DE69517457T2 (en) * 1994-03-15 2001-02-15 Mitsubishi Electric Corp air conditioning
JP3118376B2 (en) * 1994-08-19 2000-12-18 三洋電機株式会社 Air conditioner
US7424807B2 (en) * 2003-06-11 2008-09-16 Carrier Corporation Supercritical pressure regulation of economized refrigeration system by use of an interstage accumulator
CN1690552A (en) * 2004-04-28 2005-11-02 乐金电子(天津)电器有限公司 Cooling agent temperature control system for air-conditioners and control method thereof
KR100748519B1 (en) * 2005-02-26 2007-08-13 엘지전자 주식회사 Second-refrigerant pump driving type air conditioner
US8087258B2 (en) * 2005-10-25 2012-01-03 Mitsubishi Electric Corporation Air conditioner, refrigerant filling method of air conditioner, method for judging refrigerant filling state of air conditioner as well as refrigerant filling and pipe cleaning method of air conditioner
WO2007121540A2 (en) * 2006-04-20 2007-11-01 Springer Carrier Ltda Heat pump system having auxiliary water heating and heat exchanger bypass
KR100907263B1 (en) * 2009-03-10 2009-07-10 대신파워텍 (주) Distribution board

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794328A (en) * 1954-06-29 1957-06-04 Gen Electric Variable temperature refrigeration
JP2001027460A (en) * 1993-12-28 2001-01-30 Mitsubishi Electric Corp Refrigeration cycle system
JPH085163A (en) * 1994-06-16 1996-01-12 Mitsubishi Heavy Ind Ltd Refrigerating cycle device
EP1795834A2 (en) * 2005-12-06 2007-06-13 Sanden Corporation Vapor compression refrigerating system

Also Published As

Publication number Publication date
EP2434236B1 (en) 2018-11-07
KR20120031843A (en) 2012-04-04
CN102418959A (en) 2012-04-18
KR101201635B1 (en) 2012-11-20
EP2434236A2 (en) 2012-03-28
US20120073313A1 (en) 2012-03-29

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