DE602004013409D1 - Air conditioning with several external units and control method for it - Google Patents

Air conditioning with several external units and control method for it

Info

Publication number
DE602004013409D1
DE602004013409D1 DE602004013409T DE602004013409T DE602004013409D1 DE 602004013409 D1 DE602004013409 D1 DE 602004013409D1 DE 602004013409 T DE602004013409 T DE 602004013409T DE 602004013409 T DE602004013409 T DE 602004013409T DE 602004013409 D1 DE602004013409 D1 DE 602004013409D1
Authority
DE
Germany
Prior art keywords
control method
air conditioning
external units
several external
several
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.)
Active
Application number
DE602004013409T
Other languages
German (de)
Other versions
DE602004013409T2 (en
Inventor
Jin-Seob Song
Sae-Dong Jang
Il-Nahm Hwang
Balk-Young Chung
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 DE602004013409D1 publication Critical patent/DE602004013409D1/en
Application granted granted Critical
Publication of DE602004013409T2 publication Critical patent/DE602004013409T2/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
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
    • F25B2313/0253—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units in parallel 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/031—Sensor arrangements
    • F25B2313/0314—Temperature sensors near the indoor heat exchanger
    • 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
    • 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
    • F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/19—Calculation of parameters
    • 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
    • F25B2700/13—Mass flow of refrigerants
    • 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
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1931—Discharge pressures
    • 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
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
DE602004013409T 2003-10-27 2004-10-19 Multi-unit air conditioning system and control method therefor Active DE602004013409T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2003-0075248A KR100504902B1 (en) 2003-10-27 2003-10-27 Air conditioner with out door units and refrigerant control method thereof
KR2003075248 2003-10-27

Publications (2)

Publication Number Publication Date
DE602004013409D1 true DE602004013409D1 (en) 2008-06-12
DE602004013409T2 DE602004013409T2 (en) 2008-07-31

Family

ID=34420671

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004013409T Active DE602004013409T2 (en) 2003-10-27 2004-10-19 Multi-unit air conditioning system and control method therefor

Country Status (5)

Country Link
US (1) US20050086954A1 (en)
EP (1) EP1528332B1 (en)
KR (1) KR100504902B1 (en)
CN (1) CN1329697C (en)
DE (1) DE602004013409T2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060062769A (en) * 2004-12-06 2006-06-12 엘지전자 주식회사 Multi airconditioning system and method for controlling the system
KR100700545B1 (en) * 2005-08-10 2007-03-28 엘지전자 주식회사 Apparatus for controlling the driving of an air conditioner having plural compressors and method therefor
KR100680618B1 (en) * 2005-09-27 2007-02-08 삼성전자주식회사 Airconditioner and its starting method
JP4285583B2 (en) * 2007-05-30 2009-06-24 ダイキン工業株式会社 Air conditioner
US9625184B2 (en) 2013-01-31 2017-04-18 Trane International Inc. Multi-split HVAC system
EP3199878B1 (en) 2014-09-26 2021-04-28 Gree Electric Appliances, Inc. of Zhuhai Variable refrigerant volume system and control method thereof
JP6293647B2 (en) * 2014-11-21 2018-03-14 ヤンマー株式会社 heat pump
KR101645845B1 (en) 2015-01-12 2016-08-04 엘지전자 주식회사 Air conditioner
KR101694603B1 (en) 2015-01-12 2017-01-09 엘지전자 주식회사 Air conditioner
KR101639516B1 (en) * 2015-01-12 2016-07-13 엘지전자 주식회사 Air conditioner
CN104612935B (en) * 2015-01-16 2017-03-08 王仪靖 One kind helps the high-lift efficient liquid pumping installations of floating hoisting type Large Copacity

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW212224B (en) * 1992-02-28 1993-09-01 Sanyo Denki Kk
JPH07234038A (en) * 1994-02-18 1995-09-05 Sanyo Electric Co Ltd Multiroom type cooling-heating equipment and operating method thereof
DE69530823T2 (en) * 1994-06-29 2003-12-04 Daikin Ind Ltd OIL COMPENSATION IN AIR CONDITIONING
WO1996000873A1 (en) * 1994-06-29 1996-01-11 Daikin Industries, Ltd. Refrigerator
JPH11125476A (en) * 1997-10-22 1999-05-11 Mitsubishi Heavy Ind Ltd Multi-room air conditioner having a plurality of outdoor units and operating method therefor
KR100364534B1 (en) * 1999-10-27 2002-12-16 엘지전자 주식회사 Multi air conditioner
JP2002181370A (en) * 2001-12-03 2002-06-26 Sanyo Electric Co Ltd Air-conditioner
KR100474326B1 (en) * 2002-02-25 2005-03-08 엘지전자 주식회사 Multiple airconditioner
KR100437805B1 (en) * 2002-06-12 2004-06-30 엘지전자 주식회사 Multi-type air conditioner for cooling/heating the same time and method for controlling the same
KR100504498B1 (en) * 2003-01-13 2005-08-03 엘지전자 주식회사 Air conditioner

Also Published As

Publication number Publication date
CN1329697C (en) 2007-08-01
KR20050040081A (en) 2005-05-03
CN1641277A (en) 2005-07-20
EP1528332A1 (en) 2005-05-04
EP1528332B1 (en) 2008-04-30
KR100504902B1 (en) 2005-07-29
DE602004013409T2 (en) 2008-07-31
US20050086954A1 (en) 2005-04-28

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Legal Events

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