EP1367346A3 - Verfahren zum Steuern des Abtauprozesses eines Verdampfers - Google Patents

Verfahren zum Steuern des Abtauprozesses eines Verdampfers Download PDF

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Publication number
EP1367346A3
EP1367346A3 EP03010509A EP03010509A EP1367346A3 EP 1367346 A3 EP1367346 A3 EP 1367346A3 EP 03010509 A EP03010509 A EP 03010509A EP 03010509 A EP03010509 A EP 03010509A EP 1367346 A3 EP1367346 A3 EP 1367346A3
Authority
EP
European Patent Office
Prior art keywords
evaporator
air
determined
xzl
xrl
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
EP03010509A
Other languages
English (en)
French (fr)
Other versions
EP1367346B1 (de
EP1367346A2 (de
Inventor
Thomas Krieger
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.)
Carrier Kaeltetechnik Deutschland GmbH
Original Assignee
Linde Kaeltetechnik GmbH
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 Linde Kaeltetechnik GmbH filed Critical Linde Kaeltetechnik GmbH
Publication of EP1367346A2 publication Critical patent/EP1367346A2/de
Publication of EP1367346A3 publication Critical patent/EP1367346A3/de
Application granted granted Critical
Publication of EP1367346B1 publication Critical patent/EP1367346B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002—Defroster control
    • F25D21/006—Defroster control with electronic control circuits
    • 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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/02—Detecting the presence of frost or condensate

Abstract

Es wird ein Verfahren zum Steuern des Abtauprozesses eines bereiften und/oder vereisten Verdampfers, insbesondere eines Kühlmöbel-Verdampfers, bei dem die Temperaturen der Verdampfer-Rückluft (TRL) und der Verdampfer-Zuluft (TZL) sowie die Verdampfungstemperatur erfasst werden, beschrieben.
Erfindungsgemäß wird bzw. werden
  • a) die relative Feuchte (ϕRL) der Verdampfer-Rückluft erfasst,
  • b) die relative Feuchte (ϕZL) der Verdampfer-Zuluft mit 1 angenommen, da diese nach dem Durchgang durch den Verdampfer im gesättigten Zustand vorliegt,
  • c) der Umluftvolumenstrom (VL) des Verdampfers ermittelt,
  • d) mittels der Zustandsgleichung für feuchte Luft die Wasserbeladung am Verdampferein- (xRL) und -austritt (xZL) bestimmt und die am Verdampfer angelagerte Wassermenge (Δx = xRL - xZL) ermittelt,
  • e) mittels der Gleichung mW = ρL*VL*Δx*Δt für ein Zeitintervall (Δt) die am Verdampfer angelagerte Wassermasse ermittelt, wobei der Parameter ρL für die Dichte der Luft steht,
  • f) zwischen zwei Abtauprozessen die derart ermittelten Wassermassenwerte (mw) aufsummiert und mit einem einstellbaren Wassermassen-Sollwert verglichen, und
  • g) bei Erreichen des Wassermassen-Sollwertes ein Abtauprozess eingeleitet.
    •
    EP03010509A 2002-05-28 2003-05-09 Verfahren zum Steuern des Abtauprozesses eines Verdampfers Expired - Lifetime EP1367346B1 (de)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE10223716A DE10223716A1 (de) 2002-05-28 2002-05-28 Verfahren zum Steuern des Abtauprozesses eines Verdampfers
    DE10223716 2002-05-28

    Publications (3)

    Publication Number Publication Date
    EP1367346A2 EP1367346A2 (de) 2003-12-03
    EP1367346A3 true EP1367346A3 (de) 2005-08-03
    EP1367346B1 EP1367346B1 (de) 2007-03-28

    Family

    ID=29414232

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP03010509A Expired - Lifetime EP1367346B1 (de) 2002-05-28 2003-05-09 Verfahren zum Steuern des Abtauprozesses eines Verdampfers

    Country Status (4)

    Country Link
    EP (1) EP1367346B1 (de)
    AT (1) ATE358264T1 (de)
    DE (2) DE10223716A1 (de)
    ES (1) ES2283677T3 (de)

    Families Citing this family (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US6964172B2 (en) 2004-02-24 2005-11-15 Carrier Corporation Adaptive defrost method
    US7802441B2 (en) 2004-05-12 2010-09-28 Electro Industries, Inc. Heat pump with accumulator at boost compressor output
    US7849700B2 (en) 2004-05-12 2010-12-14 Electro Industries, Inc. Heat pump with forced air heating regulated by withdrawal of heat to a radiant heating system
    DE102006048880A1 (de) 2006-10-16 2008-04-17 Wurm Gmbh & Co. Kg Elektronische Systeme Abtausteuerverfahren
    CN108646695B (zh) * 2018-07-12 2020-05-22 杭州数亦有道科技有限公司 一种用于蒸发工序的智能控制方法

    Citations (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US3759049A (en) * 1972-02-25 1973-09-18 Whirlpool Co Defrost control
    DE3110042A1 (de) * 1981-03-16 1982-09-30 Gesellschaft für Wärmepumpen und Energierückgewinnungsanlagen mbH, 7311 Holzmaden Verfahren und anordnung zum abtauen von eis an einem luftkuehler einer waermepumpe oder kaeltemaschine
    US4561263A (en) * 1983-03-28 1985-12-31 Honeywell Inc. Refrigeration or heat pump system defrost
    DE4318842A1 (de) * 1993-06-07 1994-12-08 York Int Gmbh Verfahren zum Abtauen einer Kälteanlage

    Family Cites Families (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE3333907A1 (de) * 1983-09-20 1985-04-04 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Verfahren und vorrichtung zur abtauregelung von waermepumpen
    DE4318843A1 (de) * 1993-06-07 1994-12-08 York Int Gmbh Verfahren zum Betätigen von Rahmenheizungen in Kühlmöbeln
    DE19844854A1 (de) * 1998-09-30 2000-04-06 Winfried H Eming Verfahren zur zeitunabhängigen Abtauung von Kälteverdampfern in Kühlmöbeln und Kühlmöbel zur Durchführung des Verfahrens

    Patent Citations (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US3759049A (en) * 1972-02-25 1973-09-18 Whirlpool Co Defrost control
    DE3110042A1 (de) * 1981-03-16 1982-09-30 Gesellschaft für Wärmepumpen und Energierückgewinnungsanlagen mbH, 7311 Holzmaden Verfahren und anordnung zum abtauen von eis an einem luftkuehler einer waermepumpe oder kaeltemaschine
    US4561263A (en) * 1983-03-28 1985-12-31 Honeywell Inc. Refrigeration or heat pump system defrost
    DE4318842A1 (de) * 1993-06-07 1994-12-08 York Int Gmbh Verfahren zum Abtauen einer Kälteanlage

    Also Published As

    Publication number Publication date
    ES2283677T3 (es) 2007-11-01
    EP1367346B1 (de) 2007-03-28
    DE10223716A1 (de) 2003-12-11
    DE50306888D1 (de) 2007-05-10
    EP1367346A2 (de) 2003-12-03
    ATE358264T1 (de) 2007-04-15

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