EP2859286B1 - Kühlvorrichtung mit zwei fächern - Google Patents

Kühlvorrichtung mit zwei fächern Download PDF

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Publication number
EP2859286B1
EP2859286B1 EP13720975.5A EP13720975A EP2859286B1 EP 2859286 B1 EP2859286 B1 EP 2859286B1 EP 13720975 A EP13720975 A EP 13720975A EP 2859286 B1 EP2859286 B1 EP 2859286B1
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EP
European Patent Office
Prior art keywords
fresh food
compartment temperature
food compartment
compressor
whereat
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
EP13720975.5A
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English (en)
French (fr)
Other versions
EP2859286A1 (de
Inventor
Erhan Kacmaz
Turgay Ercan
Mesut TUNCEL
Ferkan Gulbas
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.)
Arcelik AS
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Arcelik AS
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Publication date
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Publication of EP2859286A1 publication Critical patent/EP2859286A1/de
Application granted granted Critical
Publication of EP2859286B1 publication Critical patent/EP2859286B1/de
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices

Definitions

  • the present invention relates to a cooling device comprising a fresh food compartment and a freezing compartment.
  • the refrigeration process is performed by means of evaporators disposed in the compartments, connected to each other in series or in parallel instead of forced air circulation.
  • both refrigeration circuits are connected to a single compressor.
  • the fresh food compartment temperature is taken as reference in some cooling devices and the freezing compartment is taken as reference in others.
  • the compressor cannot be used efficiently and energy consumption increases.
  • Operating conditions of the fan that is used in the cooling compartment and/or the freezing compartment and that provides the air in the compartment to be dispersed, are generally determined according to the operation of the compressor or the temperature values of the compartment wherein the fan is located. In embodiments wherein the fan is simultaneously operated with the compressor, the compartment temperature cannot be sensitively adjusted and energy is consumed unnecessarily. In situations wherein the operating conditions of the fan are determined according to the temperature values of the compartment in which the fan is located, the temperature of the related compartment may not reach the cut-in temperature of the fan according to the environment conditions and this prevents the homogeneous distribution of the cool air in the compartment.
  • a cooling device that comprises a fresh food compartment fan, the operation of which is regulated according to the freezing compartment conditions.
  • WO 2010/076229 A2 discloses a cooling device according to the preamble of claim 1.
  • the aim of the present invention is the realization of a cooling device, of which the cooling efficiency is improved.
  • a cooling device according to the first claim and the dependent claims thereof is realized in order to attain the aim of the present invention.
  • a control unit that controls the activation and the deactivation of the compressor and the fan is provided.
  • the fresh food compartment temperature and/or the freezing compartment temperature should reach respectively the fresh food compartment temperature predetermined by the producer whereat the compressor is activated and/or the freezing compartment temperature predetermined by the producer whereat the compressor is activated.
  • the fresh food compartment temperature and the freezing compartment temperature should reach respectively the fresh food compartment temperature predetermined by the producer wherein the compressor is deactivated and the freezing compartment temperature predetermined by the producer wherein the compressor is deactivated.
  • the fresh food compartment temperature whereat the fan is deactivated is lower than the fresh food compartment temperature whereat the fan is activated. After the fan is activated, the fresh food compartment temperature continues to decrease and after some time the fan is deactivated. When the ambient temperature is low, the freezing compartment realizes the compressor deactivation condition later than the fresh food compartment. By keeping small the temperature range whereat the fan is operated, the excessive cooling of the fresh food compartment is prevented.
  • the fan when the fan is not activated during a critical duration predetermined by the producer, at least one heater located in and/or in the vicinity of the fresh food compartment is activated if the fresh food compartment temperature is lower than the fresh food compartment temperature whereat the fan is activated.
  • the fan is provided to be activated by rapidly bringing the fresh food compartment temperature to the fresh food compartment temperature whereat the compressor is deactivated.
  • the heater is deactivated when the fresh food compartment temperature reaches the fresh food compartment temperature whereat the compressor is deactivated.
  • the speed of the fan decreases as the fresh food compartment temperature decreases.
  • the fresh food compartment temperature is prevented from decreasing suddenly.
  • the fan is prevented from remaining idle for a long time at low ambient temperatures, thus providing a homogeneous heat distribution in the fresh food compartment.
  • Figure 1 - is the schematic view of a cooling device.
  • the cooling device (1) furthermore comprises a control unit (8)
  • the control unit (8) activates the fan (7) at the fresh food compartment temperature (TF ANcut-in ) which is equal to the fresh food compartment temperature (T Rcut-out ) whereat the compressor (4) is deactivated.
  • T F freezing compartment temperature
  • T F freezing compartment temperature
  • T FANcut-in fresh food compartment temperature
  • the fan (7) is activated at every cycle and the air in the fresh food compartment (2) is provided to be dispersed in a homogeneous manner.
  • the control unit (8) deactivates the fan (7) at the fresh food compartment temperature (T FANcut-out ) whereat the fan (7) is deactivated that is lower than the fresh food compartment temperature (T FANcut-in ) whereat the fan (7) is activated. Since the fresh food compartment temperature (T R ) continues to decrease when the freezing compartment temperature (T F ) does not reach the freezing compartment temperature (T Fcut-out ) whereat the compressor (4) is deactivated during the operation of the compressor (4), the fan (7) is deactivated when the fresh food compartment temperature (T FANcut-out ) whereat the fan (7) is deactivated, predetermined by the producer is reached and thus the objects in the fresh food compartment (2) are prevented from overheating.
  • the cooling device (1) comprises a heater (9) that provides the heating of the fresh food compartment (2) when needed.
  • the control unit (8) activates the heater (9) if the fresh food compartment temperature (T R ) is lower than the fresh food compartment temperature (T FANcut-in ) whereat the fan (7) is activated when the fan (7) is not operated for a critical duration (t) predetermined by the producer. Consequently, the fan (7) is prevented from being inactive for a long time and the air distribution in the fresh food compartment (2) is prevented from getting heterogeneous.
  • control unit (8) deactivates the heater (9) when the fresh food compartment temperature (T R ) reaches the fresh food compartment temperature (T FANcut-in ) whereat the fan (7) is activated.
  • the fan (7) is activated as the heater (9) is deactivated and the air in the fresh food compartment (2) is propelled.
  • the rotational speed of the fan (7) decreases as the fresh food compartment temperature (T R ) approaches the fresh food compartment temperature (T FANcut-out ) whereat the fan (7) is deactivated getting away from the fresh food compartment temperature (T FANcut-in ) whereat the fan (7) is activated.
  • the fan (7) is activated at certain intervals, thus providing a homogeneous distribution of the air in the fresh food compartment (2).
  • the fresh food compartment (2) is more effectively cooled.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Claims (6)

  1. Kühlvorrichtung (1) umfassend ein Frischhaltefach (2), in das Lebensmittel zum Kühlen gelegt werden, ein Gefrierfach (3), in das Lebensmittel zum Einfrieren gelegt werden und das bei Temperaturen unter derjenigen des Frischhaltefachs (2) gehalten wird, einen Kompressor (4), der ein Kühlmittel in einem Kühlzyklus verdichtet und zirkulieren lässt, einen Frischhaltefachtemperatursensor (5), der die Temperatur des Frischhaltefachs (2) misst, einen Gefrierfachtemperatursensor (6), der die Temperatur des Gefrierfachs (3) misst, ein Gebläse (7), das für die Luftzirkulation im Frischhaltefach (2) bereitstellt, und eine Steuereinheit (8),
    - die, wenn der Kompressor (4) deaktiviert wird, die Frischhaltefachtemperatur (TR) und die Gefrierfachtemperatur (TF) jeweils mit der Frischhaltefachtemperatur (TRcut-in), bei der der Kompressor (4) aktiviert wird, und mit der Gefrierfachtemperatur (TFcut-in) vergleicht, bei der der Kompressor (4) aktiviert wird, und die den Kompressor (4) aktiviert, wenn wenigstens eine von der Frischhaltefachtemperatur (TR) und der Gefrierfachtemperatur (TF) jeweils die Frischhaltefachtemperatur (TRcut-in), bei der der Kompressor (4) aktiviert wird, bzw. die Gefrierfachtemperatur (TFcut-in) erreicht, bei der der Kompressor (4) aktiviert wird, und
    - die, wenn der Kompressor (4) aktiviert wird, die Frischhaltefachtemperatur (TR) und die Gefrierfachtemperatur (TF) jeweils mit der Frischhaltefachtemperatur (TRcut-out), bei der der Kompressor (4) deaktiviert wird, und mit der Gefrierfachtemperatur (TFcut-out) vergleicht, bei der der Kompressor (4) deaktiviert wird, und die den Kompressor (4) deaktiviert, wenn wenigstens eine von der Frischhaltefachtemperatur (TR) und der Gefrierfachtemperatur (TF) jeweils die Frischhaltefachtemperatur (TRcut-out), bei der der Kompressor (4) deaktiviert wird, bzw. die Gefrierfachtemperatur (TFcut-out) erreicht, bei der der Kompressor (4) deaktiviert wird, und
    dadurch gekennzeichnet, dass die Steuereinheit (8) das Gebläse (7) bei der Frischhaltefachtemperatur (TFANcut-in) aktiviert, die gleich der Frischhaltefachtemperatur (TRcut-out) ist, bei der der Kompressor (4) deaktiviert wird.
  2. Kühlvorrichtung (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Steuereinheit (8) das Gebläse (7) bei einer Frischhaltefachtemperatur (TFANcut-out), bei der das Gebläse (7) deaktiviert wird, deaktiviert, die niedriger als die Frischhaltefachtemperatur (TFANcut-in) ist, bei der das Gebläse (7) aktiviert wird.
  3. Kühlvorrichtung (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass eine Heizeinrichtung (9) bei Bedarf für das Erwärmen des Frischhaltefach (2) sorgt und die Steuereinheit (8) die Heizeinrichtung (9) aktiviert, wenn die Frischhaltefachtemperatur (TR) niedriger als die Frischhaltefachtemperatur (TFANcut-in) ist, bei der das Gebläse (7) aktiviert wird.
  4. Kühlvorrichtung (1) nach Anspruch 3, dadurch gekennzeichnet, dass die Steuereinheit (8) die Heizeinrichtung (9) deaktiviert, wenn die Frischhaltefachtemperatur (TR) die Frischhaltefachtemperatur (TFANcut-in) erreicht, bei der das Gebläse (7) aktiviert wird.
  5. Kühlvorrichtung (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Drehzahl des Gebläses (7) veränderbar ist.
  6. Kühlvorrichtung (1) nach Anspruch 5, dadurch gekennzeichnet, dass die Drehzahl des Gebläses (7) abnimmt, wenn sich die Frischhaltefachtemperatur (TR) der Frischhaltefachtemperatur (TFANut-out) nähert, bei der das Gebläse (7) deaktiviert ist, und sich von der Frischhaltefachtemperatur (TFANcut-in) entfernt, bei der das Gebläse (7) aktiviert wird.
EP13720975.5A 2012-06-06 2013-05-09 Kühlvorrichtung mit zwei fächern Active EP2859286B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201206626 2012-06-06
PCT/EP2013/059684 WO2013182374A1 (en) 2012-06-06 2013-05-09 A cooling device with two compartments

Publications (2)

Publication Number Publication Date
EP2859286A1 EP2859286A1 (de) 2015-04-15
EP2859286B1 true EP2859286B1 (de) 2016-03-30

Family

ID=48325743

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13720975.5A Active EP2859286B1 (de) 2012-06-06 2013-05-09 Kühlvorrichtung mit zwei fächern

Country Status (3)

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EP (1) EP2859286B1 (de)
PL (1) PL2859286T3 (de)
WO (1) WO2013182374A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3732413B1 (de) 2017-12-25 2023-07-12 Arçelik Anonim Sirketi Kühler mit einem durch wärme gesteuerten sonderfach
JP7150160B2 (ja) * 2019-05-20 2022-10-07 三菱電機株式会社 冷却制御装置、冷却システム及び冷却制御方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10185395A (ja) 1996-12-26 1998-07-14 Matsushita Refrig Co Ltd 冷凍冷蔵庫
BRPI0402013A (pt) 2004-05-04 2005-12-20 Multibras Eletrodomesticos Sa Sistema de controle de refrigeração em refrigeradores combinados
US7765819B2 (en) * 2006-01-09 2010-08-03 Maytag Corporation Control for a refrigerator
CN102272543B (zh) * 2008-12-31 2013-10-23 阿塞里克股份有限公司 冷却装置
PL2449323T3 (pl) * 2009-06-30 2013-08-30 Arcelik As Lodówka działająca niezależnie od temperatury otoczenia

Also Published As

Publication number Publication date
EP2859286A1 (de) 2015-04-15
PL2859286T3 (pl) 2016-10-31
WO2013182374A1 (en) 2013-12-12

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