EP2479519A3 - Refrigerant system - Google Patents

Refrigerant system Download PDF

Info

Publication number
EP2479519A3
EP2479519A3 EP12150965.7A EP12150965A EP2479519A3 EP 2479519 A3 EP2479519 A3 EP 2479519A3 EP 12150965 A EP12150965 A EP 12150965A EP 2479519 A3 EP2479519 A3 EP 2479519A3
Authority
EP
European Patent Office
Prior art keywords
refrigerant
cooler
building
refrigerant system
air
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
EP12150965.7A
Other languages
German (de)
French (fr)
Other versions
EP2479519B1 (en
EP2479519A2 (en
Inventor
Jaeheuk Choi
Taehee Kwak
Yoonho Yoo
Doyong Ha
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 EP2479519A2 publication Critical patent/EP2479519A2/en
Publication of EP2479519A3 publication Critical patent/EP2479519A3/en
Application granted granted Critical
Publication of EP2479519B1 publication Critical patent/EP2479519B1/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
    • F25B1/00—Compression machines, plants or systems with non-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
    • 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
    • F25B49/005—Arrangement or mounting of control or safety devices of safety devices
    • 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
    • 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
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0232—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with bypasses
    • 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
    • F25B2400/04—Refrigeration circuit bypassing means
    • F25B2400/0409—Refrigeration circuit bypassing means for the evaporator
    • 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
    • F25B2400/06—Several compression cycles arranged in parallel
    • F25B2400/061—Several compression cycles arranged in parallel the capacity of the first system being different from the second
    • 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
    • F25B2700/15—Power, e.g. by voltage or current
    • F25B2700/151—Power, e.g. by voltage or current of the compressor motor
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel

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

A refrigerant system, includes: an air conditioner (1) configured to condition air in a building by using a first refrigerant cycle; a cooler (2) configured to cool air in a storage compartment of the building by using a second refrigerant cycle; and a refrigerant heat exchanger (4) configured to exchange heat between a refrigerant of the air conditioner and a refrigerant of the cooler, wherein the cooler includes a main compressor (211) and an auxiliary compressor (212) configured to backup the main compressor.
EP12150965.7A 2011-01-24 2012-01-12 Refrigerant system Active EP2479519B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110006686A KR101250100B1 (en) 2011-01-24 2011-01-24 Refrigerant system and method for controlling the same

Publications (3)

Publication Number Publication Date
EP2479519A2 EP2479519A2 (en) 2012-07-25
EP2479519A3 true EP2479519A3 (en) 2014-07-30
EP2479519B1 EP2479519B1 (en) 2019-08-21

Family

ID=45495793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12150965.7A Active EP2479519B1 (en) 2011-01-24 2012-01-12 Refrigerant system

Country Status (4)

Country Link
US (1) US20120186284A1 (en)
EP (1) EP2479519B1 (en)
JP (1) JP5563609B2 (en)
KR (1) KR101250100B1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5575192B2 (en) * 2012-08-06 2014-08-20 三菱電機株式会社 Dual refrigeration equipment
KR101973203B1 (en) 2012-09-24 2019-04-26 엘지전자 주식회사 A united type system of air conditioning and cooling
JP5769684B2 (en) * 2012-10-18 2015-08-26 三菱電機株式会社 Heat pump equipment
KR102032178B1 (en) * 2012-11-06 2019-10-15 엘지전자 주식회사 Integral air conditioning system for heating and cooling
KR102014441B1 (en) * 2012-11-07 2019-08-26 엘지전자 주식회사 A combined refrigerating and air conditioning system
KR102014457B1 (en) * 2012-11-07 2019-10-21 엘지전자 주식회사 A combined refrigerating and air conditioning system
KR102087677B1 (en) * 2013-06-24 2020-03-11 엘지전자 주식회사 A combined refrigerating and air conditioning system
CN208443069U (en) * 2015-01-09 2019-01-29 特灵国际有限公司 Heat pump system
KR102243833B1 (en) * 2015-01-28 2021-04-23 엘지전자 주식회사 Hot water supply device using heat pump and a method for controlling the same
KR101721771B1 (en) 2015-09-17 2017-03-30 엘지전자 주식회사 Colntrol method for refrigerator
US10634424B2 (en) 2017-01-12 2020-04-28 Emerson Climate Technologies, Inc. Oil management for micro booster supermarket refrigeration system
US10422562B2 (en) 2017-02-14 2019-09-24 Heatcraft Refrigeration Products Llc Cooling system with intermediary heat exchange
EP3370017A1 (en) * 2017-03-03 2018-09-05 Huurre Group Oy Multi-mode refrigeration system
KR102359565B1 (en) 2017-08-25 2022-02-08 엘지전자 주식회사 Refrigerator
WO2020095464A1 (en) * 2018-11-07 2020-05-14 伸和コントロールズ株式会社 Temperature adjustment system
CN115540156B (en) * 2022-09-20 2024-08-16 珠海格力电器股份有限公司 Multi-system fault protection control method and system and air conditioning unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484449A (en) * 1983-02-15 1984-11-27 Ernest Muench Low temperature fail-safe cascade cooling apparatus
JPH1114123A (en) * 1997-06-23 1999-01-22 Sanyo Electric Co Ltd Air conditioner
WO2006019074A1 (en) * 2004-08-17 2006-02-23 Daikin Industries, Ltd. Freezing apparatus
EP1775528A1 (en) * 2004-08-02 2007-04-18 Daikin Industries, Ltd. Refrigeration unit

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4934155A (en) * 1986-03-18 1990-06-19 Mydax, Inc. Refrigeration system
JPH06129718A (en) * 1992-10-14 1994-05-13 Sanyo Electric Co Ltd Air-conditioning machine
JP2004360967A (en) * 2003-06-03 2004-12-24 Toshiba Kyaria Kk Air conditioner
US7246500B2 (en) * 2004-10-28 2007-07-24 Emerson Retail Services Inc. Variable speed condenser fan control system
JP4659521B2 (en) * 2004-12-08 2011-03-30 三菱電機株式会社 Refrigeration air conditioner, operation method of refrigeration air conditioner, method of manufacturing refrigeration air conditioner, refrigeration apparatus, method of manufacturing refrigeration apparatus
WO2008016348A1 (en) * 2006-08-01 2008-02-07 Carrier Corporation Operation and control of tandem compressors and reheat function
JP2008070075A (en) * 2006-09-15 2008-03-27 Matsushita Electric Ind Co Ltd Air conditioner
KR101166203B1 (en) * 2006-12-26 2012-07-18 엘지전자 주식회사 Multi-Type Air conditioner and the controlling method
JP4687710B2 (en) * 2007-12-27 2011-05-25 三菱電機株式会社 Refrigeration equipment
KR20100002905A (en) * 2008-06-30 2010-01-07 한국과학기술연구원 Diagnostic equipment of cooling system, cooling system having the same and diagnostic method of cooling system
KR101504202B1 (en) * 2008-07-22 2015-03-19 엘지전자 주식회사 Compressor and air conditioner comprising the compressor therein
CN102119277A (en) * 2008-07-22 2011-07-06 Lg电子株式会社 Compressor and air-conditioner having the same
JP5321013B2 (en) * 2008-11-26 2013-10-23 パナソニック株式会社 Heat pump equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484449A (en) * 1983-02-15 1984-11-27 Ernest Muench Low temperature fail-safe cascade cooling apparatus
JPH1114123A (en) * 1997-06-23 1999-01-22 Sanyo Electric Co Ltd Air conditioner
EP1775528A1 (en) * 2004-08-02 2007-04-18 Daikin Industries, Ltd. Refrigeration unit
WO2006019074A1 (en) * 2004-08-17 2006-02-23 Daikin Industries, Ltd. Freezing apparatus

Also Published As

Publication number Publication date
EP2479519B1 (en) 2019-08-21
JP5563609B2 (en) 2014-07-30
JP2012154619A (en) 2012-08-16
EP2479519A2 (en) 2012-07-25
KR20120085396A (en) 2012-08-01
KR101250100B1 (en) 2013-04-09
US20120186284A1 (en) 2012-07-26

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