EP2409095B1 - Mikroprozessorgesteuerte abtaubeendigung - Google Patents

Mikroprozessorgesteuerte abtaubeendigung Download PDF

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Publication number
EP2409095B1
EP2409095B1 EP10753838.1A EP10753838A EP2409095B1 EP 2409095 B1 EP2409095 B1 EP 2409095B1 EP 10753838 A EP10753838 A EP 10753838A EP 2409095 B1 EP2409095 B1 EP 2409095B1
Authority
EP
European Patent Office
Prior art keywords
evaporator
temperature
rate
time
defrost
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
EP10753838.1A
Other languages
English (en)
French (fr)
Other versions
EP2409095A4 (de
EP2409095A2 (de
Inventor
Scott Fulmer
Mark Perkovich
Donald Hotaling
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 Corp
Original Assignee
Carrier Corp
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Filing date
Publication date
Application filed by Carrier Corp filed Critical Carrier Corp
Publication of EP2409095A2 publication Critical patent/EP2409095A2/de
Publication of EP2409095A4 publication Critical patent/EP2409095A4/de
Application granted granted Critical
Publication of EP2409095B1 publication Critical patent/EP2409095B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • F25D21/08—Removing frost by electric heating
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/10—Sensors measuring the temperature of the evaporator

Claims (4)

  1. Kühleinheit, umfassend:
    einen Verdampfer (22);
    Abtaumittel zum Abtauen des Verdampfers (22); und
    mindestens einen Temperatursensor (32) in messbarer Verbindung mit dem Verdampfer (22); wobei
    mindestens eine Steuerung (30) mit dem mindestens einen Temperatursensor (32) kommunikativ verbunden ist, wobei die mindestens eine Steuerung (30) dafür ausgelegt ist, mit dem Berechnen einer Temperaturanstiegsrate zu beginnen, wenn die Temperatur etwa den Gefrierpunkt von Wasser erreicht, und den Betrieb des Abtaumittels zu beenden, wenn die Rate ein vorgegebenes Kriterium aufweist; wobei
    die mindestens eine Steuerung (30) ferner dafür ausgelegt ist, einen Zeitpunkt zu bestimmen, zu dem die Temperatur auf einen Gefrierpunkt von Wasser gestiegen ist; und dadurch gekennzeichnet ist, dass
    die vorbestimmten Kriterien bei dem Fehlen einer signifikanten oder nachweisbaren Änderung der Temperaturanstiegsrate nach einer bestimmten Zeitspanne ab dem Zeitpunkt vorliegen.
  2. Verfahren zum Beenden einer Abtaufunktion eines Kühlschranks, wobei das Verfahren Folgendes umfasst:
    Auslösen einer Funktion zum Abtauen eines Verdampfers (22) in einer Kühleinheit; und
    Messen der Temperatur des Verdampfers (22) während der Funktion zum Abtauen des Verdampfers (22);
    Berechnen einer Temperaturänderungsrate des Verdampfers (22), wenn die Temperatur etwa den Gefrierpunkt von Wasser erreicht, wobei die Berechnung auf der gemessenen Temperatur basiert; und
    Beenden der Funktion zum Abtauen, wenn die Temperaturänderungsrate ein bestimmtes Kriterium aufweist;
    ferner umfassend den Schritt des Bestimmens eines ersten Zeitpunkts, zu dem die Temperatur des Verdampfers (22) etwa die Gefriertemperatur von Wasser erreicht;
    dadurch gekennzeichnet, dass die bestimmten Kriterien bei dem Fehlen einer signifikanten oder nachweisbaren Änderung der Temperaturanstiegsrate nach einer bestimmten Zeitdauer ab dem Zeitpunkt vorliegen.
  3. Verfahren nach Anspruch 2, wobei der Zeitpunkt durch einen signifikanten Rückgang der Temperaturänderungsrate bestimmt wird.
  4. Verfahren nach Anspruch 2, wobei der Schritt des Messens in kontinuierlichen Abständen über eine Zeitspanne erfolgt, und/oder wobei der Schritt des Berechnens in kontinuierlichen Abständen über eine Zeitspanne erfolgt.
EP10753838.1A 2009-03-18 2010-02-12 Mikroprozessorgesteuerte abtaubeendigung Active EP2409095B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16126909P 2009-03-18 2009-03-18
PCT/US2010/024058 WO2010107536A2 (en) 2009-03-18 2010-02-12 Microprocessor controlled defrost termination

Publications (3)

Publication Number Publication Date
EP2409095A2 EP2409095A2 (de) 2012-01-25
EP2409095A4 EP2409095A4 (de) 2015-07-29
EP2409095B1 true EP2409095B1 (de) 2019-04-24

Family

ID=42740164

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10753838.1A Active EP2409095B1 (de) 2009-03-18 2010-02-12 Mikroprozessorgesteuerte abtaubeendigung

Country Status (4)

Country Link
US (1) US20120042667A1 (de)
EP (1) EP2409095B1 (de)
CN (1) CN102356288B (de)
WO (1) WO2010107536A2 (de)

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US9354636B2 (en) 2013-03-15 2016-05-31 Regal Beloit America, Inc. User-interface for pump system
US9387502B2 (en) 2013-03-15 2016-07-12 Regal Beloit America, Inc. Schedule advance for pump motor controller
US9885351B2 (en) 2013-03-15 2018-02-06 Regal Beloit America, Inc. System and method of controlling a pump system using integrated digital inputs
DE102013218429A1 (de) * 2013-09-13 2015-04-02 Robert Bosch Gmbh Verfahren zum Enteisen einer Wärmepumpe
CN103591669B (zh) * 2013-10-18 2016-03-30 广东美的制冷设备有限公司 空调设备的防结霜方法和防结霜装置、空调设备
US9933200B2 (en) * 2013-11-27 2018-04-03 Lennox Industries Inc. Defrost operation management
KR102173371B1 (ko) * 2014-01-06 2020-11-03 엘지전자 주식회사 냉장고, 및 홈 어플라이언스
KR102220911B1 (ko) * 2014-01-06 2021-02-25 엘지전자 주식회사 냉장고, 및 홈 어플라이언스
WO2018020653A1 (ja) * 2016-07-29 2018-02-01 三菱電機株式会社 冷凍冷蔵庫
DE102016220163A1 (de) * 2016-10-14 2018-04-19 BSH Hausgeräte GmbH Kältegerät mit Dörrfunktion und Betriebsverfahren dafür
KR102418143B1 (ko) * 2017-04-28 2022-07-07 엘지전자 주식회사 냉장고 및 그 제어 방법
KR20180120975A (ko) 2017-04-28 2018-11-07 엘지전자 주식회사 냉장고 및 그 제어 방법
ES2894502T3 (es) * 2018-06-22 2022-02-14 Danfoss As Un procedimiento para finalizar la descongelación de un evaporador
EP3587962B1 (de) * 2018-06-22 2020-12-30 Danfoss A/S Verfahren zum beenden der abtauung eines verdampfers unter verwendung von lufttemperaturmessungen
EP3591316A1 (de) 2018-07-06 2020-01-08 Danfoss A/S Vorrichtung zum entfernen von nicht kondensierbaren gasen aus einem kältemittel
US11002475B1 (en) * 2019-05-30 2021-05-11 Illinois Tool Works Inc. Refrigeration system with evaporator temperature sensor failure detection and related methods
CN111964322B (zh) * 2020-08-17 2022-03-04 创历电器(滁州)股份有限公司 一种脱冰方法
CN114152365B (zh) * 2022-02-07 2022-04-12 中国空气动力研究与发展中心低速空气动力研究所 一种临界防冰保护的光纤结冰传感器、系统和方法
CN114153249B (zh) * 2022-02-07 2022-04-26 中国空气动力研究与发展中心低速空气动力研究所 一种高精度的光纤结冰传感器、系统和方法
CN115371338B (zh) * 2022-07-06 2023-07-18 西安交通大学 一种冰箱除霜控制方法

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Also Published As

Publication number Publication date
US20120042667A1 (en) 2012-02-23
WO2010107536A3 (en) 2010-11-11
WO2010107536A2 (en) 2010-09-23
CN102356288B (zh) 2014-03-05
CN102356288A (zh) 2012-02-15
EP2409095A4 (de) 2015-07-29
EP2409095A2 (de) 2012-01-25

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