EP3139115B1 - Kühlvorrichtung mit einem Temperaturgeregelten Spezialfach - Google Patents

Kühlvorrichtung mit einem Temperaturgeregelten Spezialfach Download PDF

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Publication number
EP3139115B1
EP3139115B1 EP16184776.9A EP16184776A EP3139115B1 EP 3139115 B1 EP3139115 B1 EP 3139115B1 EP 16184776 A EP16184776 A EP 16184776A EP 3139115 B1 EP3139115 B1 EP 3139115B1
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EP
European Patent Office
Prior art keywords
compartment
temperature
special
evaporator
freezing
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Active
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EP16184776.9A
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English (en)
French (fr)
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EP3139115A1 (de
Inventor
Kaan SAHNALI
Tolga Nurettin AYNUR
Gokmen PEKER
Unsal KAYA
Erkan KARAKAYA
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Arcelik AS
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Arcelik AS
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Publication of EP3139115A1 publication Critical patent/EP3139115A1/de
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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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control 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
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2507—Flow-diverting 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2511—Evaporator distribution 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2104—Temperatures of an indoor room or compartment
    • 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
    • F25D2700/12—Sensors measuring the inside temperature
    • F25D2700/121—Sensors measuring the inside temperature of particular compartments
    • 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
    • F25D2700/12—Sensors measuring the inside temperature
    • F25D2700/122—Sensors measuring the inside temperature of freezer compartments

Definitions

  • the present invention relates to a cooling device that comprises a temperature controlled special compartment.
  • cooling devices the circulation of the refrigerant fluid through the units composed of the compressor, the condenser, the capillary tube and the evaporator constitutes the refrigeration cycle.
  • cooling devices composed of fresh food and freezing compartments wherein serially connected evaporators are provided in both compartments, the refrigerant fluid alternately circulates the evaporators in both compartments according to the order of connection in the refrigeration cycle.
  • the refrigerant fluid is directed to one of the compartments by means of a valve.
  • a refrigerator comprising a plate having outlet openings that are opened controllably by means of the panel that moves by sliding, whereon the plate is disposed.
  • Japanese Patent Document JP2010139218A describes a refrigerator with a fresh food compartment evaporator, a freezing compartment evaporator, and a vegetable compartment evaporator that are arranged in parallel behind a valve.
  • the outlets of the three evaporators directly lead back to the compressor.
  • the outlet of the vegetable compartment evaporator leads to the fresh food compartment evaporator.
  • the aim of the present invention is the realization of a cooling device that comprises a controllably cooled special compartment together with the fresh food compartment and the freezing compartment.
  • the cooling device realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a fresh food compartment; a freezing compartment; a special compartment; a compressor providing the realization of the refrigeration cycle; a condenser that is formed by bending a tube in serpentine form and that enables the refrigerant fluid leaving the compressor as hot vapor to be condensed so as to change into liquid phase; at least one fresh food compartment evaporator that provides the cooling of the fresh food compartment; at least one freezing compartment evaporator that provides the cooling of the freezing compartment; a first temperature sensor that measures the interior temperature of the fresh food compartment; a second temperature sensor that measures the interior temperature of the freezing compartment; a first valve disposed at the condenser outlet, and a control unit that evaluates the data received from the first temperature sensor and the second temperature sensor so as to enable the refriger
  • the cooling device of the present invention comprises
  • the refrigerant fluid used in the refrigeration cycle performed for the aim of cooling the fresh food compartment and/or the freezing compartment is delivered to the special compartment for cooling the special compartment controllably and to keep the special compartment temperature at the desired level.
  • control unit enables the refrigerant fluid leaving the fresh food compartment evaporator to be delivered to the special compartment evaporator by evaluating the data received from the third temperature sensor.
  • the refrigerant fluid used in the refrigeration cycle performed for the aim of cooling the fresh food compartment and the freezing compartment is delivered to the special compartment from the outlet of the fresh food compartment evaporator in order to cool the special compartment controllably and to keep the special compartment temperature at the desired level.
  • control unit enables the refrigerant fluid leaving the freezing compartment evaporator to be delivered to the special compartment evaporator by evaluating the data received from the third temperature sensor.
  • the refrigerant fluid used in the refrigeration cycle performed for the aim of cooling the fresh food compartment and the freezing compartment is delivered to the special compartment from the outlet of the freezing compartment evaporator to cool the special compartment controllably and to keep the special compartment temperature at the desired level.
  • the cooling device comprises a second valve disposed at the outlet of the freezing compartment evaporator and the control unit that enables the refrigerant fluid leaving the freezing compartment evaporator to be delivered to the special compartment evaporator or the compressor depending on the data received from the third temperature sensor.
  • the refrigerant fluid leaving the freezing compartment evaporator is carried to the special compartment evaporator by means of the second valve in the case the thermal load of the special compartment increases.
  • control unit In another embodiment of the present invention, the control unit
  • the cooling device comprises a third valve disposed at the outlet of the fresh food compartment evaporator and the control unit that enables the refrigerant fluid leaving the fresh food compartment evaporator to be delivered to the freezing compartment evaporator or the special compartment evaporator by passing through the third valve depending on the data received from the second temperature sensor and the third temperature sensor.
  • the special compartment is required to be cooled but the freezing compartment not required to be cooled
  • the refrigerant fluid leaving the fresh food compartment evaporator is delivered to the special compartment evaporator by means of the third valve.
  • the control unit enables the refrigerant fluid to be delivered to the fresh food compartment evaporator through the first valve so that the fresh food compartment is cooled first.
  • the refrigerant fluid leaving the fresh food compartment evaporator is carried to the freezing compartment evaporator by passing through the third valve.
  • control unit In another embodiment of the present invention, the control unit
  • control unit enables the delivery of the refrigerant fluid to be stopped by stopping the compressor if the fresh food compartment temperature is lower than the fresh food compartment limit temperature and the freezing compartment temperature is lower than the freezing compartment limit temperature, and the special compartment temperature is lower than the special compartment limit temperature.
  • the control unit prevents energy consumption by terminating the refrigeration cycle.
  • a cooling device wherein the refrigeration cycle performance is improved by delivering the refrigerant fluid to the fresh food compartment evaporator, the freezing compartment evaporator and the special compartment evaporator by evaluating the temperatures measured in each compartment.
  • the temperature of the special compartment is prevented from exceeding a limit temperature predetermined by the producer by delivering the refrigerant fluid leaving the fresh food compartment and/or the freezing compartment to the special compartment evaporator.
  • the cooling device (1) comprises a fresh food compartment (2) wherein the foods are placed to be cooled; a freezing compartment (3) that is kept at lower temperatures than the fresh food compartment (2) and wherein the foods are placed to be frozen; a special compartment (4) that is disposed inside the fresh food compartment (2) and that is kept at a temperature between the fresh food compartment (2) temperature and the freezing compartment (3) temperature; a compressor (5) providing the compression of the refrigerant fluid; a condenser (6) that enables the refrigerant fluid leaving the compressor (5) to change to the liquid phase by being condensed; at least one fresh food compartment evaporator (7) providing the cooling of the fresh food compartment (2); at least one freezing compartment evaporator (8) providing the cooling of the freezing compartment (3); a first temperature sensor (10) that measures the temperature of the fresh food compartment (2) for controlling the cooling process; a second temperature sensor (11) that measures the temperature of the freezing compartment (3) for controlling the freezing process; a first valve (13) that is disposed at the outlet of the condenser (6), and a control unit (14)
  • the cooling device (1) of the present invention comprises
  • control unit (14) enables the refrigerant fluid leaving the fresh food compartment evaporator (7) to be delivered to the special compartment evaporator (9) by evaluating the data received from the third temperature sensor (12).
  • the control unit (14) controls the temperature of the special compartment (4) and when the special compartment (4) needs to be cooled, directs the refrigerant fluid leaving the fresh food compartment evaporator (7) to the special compartment evaporator (9).
  • control unit (14) enables the refrigerant fluid leaving the freezing compartment evaporator (8) to be delivered to the special compartment evaporator (9) by evaluating the data received from the third temperature sensor (12).
  • the control unit (14) controls the temperature of the special compartment (4) and when the special compartment (4) needs to be cooled, directs the refrigerant fluid leaving the freezing compartment evaporator (8) to the special compartment evaporator (9).
  • the control unit (14) determines the compartment the thermal load of which has increased by evaluating the data received from the first temperature sensor (10) and the second temperature sensor (11) and provides the delivery of the refrigerant fluid leaving the condenser (6) to be directed to the fresh food compartment evaporator (7) or the freezing compartment evaporator (8) by passing through the first valve (13) so as to be directed to the detected compartment.
  • the thermal load of the special compartment (4) increases, the refrigerant fluid leaving the fresh food compartment evaporator (7) and/or the freezing compartment evaporator (8) is delivered to the special compartment evaporator (9).
  • the cooling device (1) comprises
  • control unit (14) In another embodiment of the present invention, the control unit (14)
  • the cooling device (1) comprises
  • control unit (14) In another embodiment of the present invention, the control unit (14)
  • the control unit (14) enables the delivery of the refrigerant fluid to be stopped by stopping the compressor (5) if the fresh food compartment temperature (T FF ) is lower than the fresh food compartment limit temperature (T FFlim ) and the freezing compartment temperature (T FRZ ) is lower than the freezing compartment limit temperature (T FRZlim ) and the special compartment temperature (T SC ) is lower than the special compartment limit temperature (T SClim ).
  • the control unit (14) decides that the fresh food compartment (2) and the freezing compartment (3) and the special compartment (4) do not require to be cooled, thus stops the delivery of the refrigerant fluid to the fresh food compartment evaporator (6), the freezing compartment evaporator (7) and the special compartment evaporator (9).
  • the cooling requirement of the special compartment (4) is determined by detecting the interior temperature thereof and the special compartment (4) is enabled to be cooled effectively and controllably by delivering the refrigerant fluid leaving the fresh food compartment evaporator (7) and/or the freezing compartment evaporator (8) to the special compartment evaporator (9).

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (4)

  1. Kühlvorrichtung (1), umfassend
    - ein Frischefach (2), in dem die Lebensmittel zum Kühlen platziert sind.;
    - ein Gefrierfach (3), das bei niedrigeren Temperaturen als das Frischefach (2) gehalten wird und wobei die Lebensmittel zum Einfrieren platziert werden;
    - ein Spezialfach (4), das innerhalb des Frischefachs (2) entsorgt ist;
    - einen Kompressor (5), der die Kompression des Kältemittelfluids vorsieht;
    - einen Kondensator (6), der es dem aus dem Kompressor (5) austretenden Kältemittelfluid ermöglicht, durch Kondensation in die flüssige Phase überzugehen.;
    - mindestens einen Frischefach-Verdampfer (7), der die Kühlung des Frischefachs (2) vorsieht;
    - mindestens einen Gefrierfach-Verdampfer (8), der die Kühlung des Gefrierfachs (3) vorsieht;
    - einen ersten Temperatursensor (10), der die Temperatur des Frischefachs (2) zum Steuern des Kühlvorgangs misst;
    - einen zweiten Temperatursensor (11), der die Temperatur des Gefrierfachs (3) zum Steuern des Gefriervorgangs misst;
    - ein erstes Ventil (13), das am Ausgang des Kondensators (6) entsorgt ist;
    - eine Steuereinheit (14), die es ermöglicht, dass das aus dem Kondensator (6) austretende Kältemittel zum Frischefach-Verdampfer (7) oder zum Gefrierfach-Verdampfer (8) geleitet wird, indem es durch das erste Ventil (13) geleitet wird, indem es die von dem ersten Temperatursensor (10) und dem zweiten Temperatursensor (11) empfangenen Daten ausgewertet,
    - mindestens einen Spezialfach-Verdampfer (9), der die Kühlung des Spezialfachs (4) vorsieht, und
    - einen dritten Temperatursensor (12), der die Temperatur des Spezialfachs (4) misst;
    gekennzeichnet durch dass
    - das Spezialfach (4) auf einer Temperatur zwischen der Temperatur des Frischefachs (2) und der Temperatur des Gefrierfachs (3) gehalten wird;
    - ein zweites Ventil (15), das am Ausgang des Gefrierfach-Verdampfers (8) entsorgt ist,
    - die Steuereinheit (14), die es ermöglicht, dass das aus dem Gefrierfach-Verdampfer (8) austretende Kältemittel an den Spezialfach-Verdampfer (9) oder den Kompressor (5) durch Auswertung der vom dritten Temperatursensor (12) empfangenen Daten abgegeben wird.;
    - ein drittes Ventil (16), das am Ausgang des Frischefach-Verdampfers (7) entsorgt ist, und
    - die Steuereinheit (14), die es ermöglicht, dass das aus dem Frischefach-Verdampfer (7) austretende Kältemittel zum Gefrierfach-Verdampfer (8) oder zum Spezialfach-Verdampfer (9) durch das dritte Ventil (16) in Abhängigkeit von den vom zweiten Temperatursensor (11) und dem dritten Temperatursensor (12) empfangenen Daten geleitet wird.
  2. Kühlvorrichtung (1) nach Anspruch 1, gekennzeichnet durch dass die Steuereinheit (14)
    - die die vom dritten Temperatursensor (12) erfasste Temperatur (Tsc) des Spezialfachs (4) mit der vom Hersteller vorgegebenen Grenztemperatur (TSClim) des Spezialfachs (4) vergleicht,
    - ermöglicht es, das Kältemittelfluid durch das zweite Ventil (15) zu leiten und an den Kompressor (5) abzugeben, wenn die Temperatur (Tsc) des Spezialfachs (4) niedriger ist als die Grenztemperatur (TSClim) des Spezialfachs (4),
    - ermöglicht es, das Kältemittelfluid durch das zweite Ventil (15) zu leiten und an den Spezialfach-Verdampfer (9) abzugeben, wenn die Temperatur (TSC) des Spezialfachs (4) höher ist als die Grenztemperatur (TSClim) des Spezialfachs (4).
  3. Kühlvorrichtung (1) nach Anspruch 1 oder 2, gekennzeichnet durch dass die Steuereinheit (14)
    - die die vom zweiten Temperatursensor (11) erfasste Temperatur (TFRZ) des Gefrierfachs (3) mit der vom Hersteller vorgegebenen Grenztemperatur (TTFRZlim) des Gefrierfachs (3) vergleicht,
    - die die vom dritten Temperatursensor (12) erfasste Temperatur (TSC) des Spezialfachs (4) mit der vom Hersteller vorgegebenen Grenztemperatur (TSClim) des Spezialfachs (4) vergleicht,
    - ermöglicht die Zufuhr des Kältemittelfluids zum Spezialfach-Verdampfer (9) durch Durchlaufen des dritten Ventils (16), wenn die Temperatur (TFRZ) des Gefrierfachs (3) niedriger ist als die Grenztemperatur (TTFRZlim) des Gefrierfachs (3) und die Temperatur (TSC) des Spezialfachs (4) höher ist als die Grenztemperatur (TSClim) des Spezialfachs (4), und
    - ermöglicht die Zufuhr des Kältemittelfluids zum Gefrierfach-Verdampfer (8) durch das dritte Ventil (16), wenn die Temperatur (TFRZ) des Gefrierfachs (3) niedriger ist als die Grenztemperatur (TTFRZlim) des Gefrierfachs (3) und die Temperatur (TSC) des Spezialfachs (4) niedriger ist als die Grenztemperatur (TSClim) des Spezialfachs (4).
  4. Kühlvorrichtung (1) nach einem der vorstehenden Ansprüche, gekennzeichnet durch dass die Steuereinheit (14), die es ermöglicht, die Abgabe des Kältemittelfluids durch Stoppen des Kompressors (5) zu stoppen, wenn die die Temperatur (TFF) des Frischefachs niedriger ist als die Grenztemperatur (TFFlim) des Frischefachs und die Temperatur (TFRZ) des Gefrierfachs niedriger ist als die Grenztemperatur (TTFRZlim) des Gefrierfachs und die Temperatur des Spezialfachs (TSC) niedriger ist als die Grenztemperatur (TSClim) des Spezialfachs.
EP16184776.9A 2015-09-07 2016-08-18 Kühlvorrichtung mit einem Temperaturgeregelten Spezialfach Active EP3139115B1 (de)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6041779U (ja) * 1983-08-31 1985-03-25 株式会社東芝 冷蔵庫
CN201852392U (zh) * 2010-11-02 2011-06-01 合肥美的荣事达电冰箱有限公司 冰吧

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100254409B1 (ko) 1997-08-29 2000-05-01 구자홍 냉장고의 집중식 냉기공급장치
KR100826180B1 (ko) * 2006-12-26 2008-04-30 엘지전자 주식회사 냉장고 및 그 제어방법
DE102008044386A1 (de) * 2008-12-05 2010-06-10 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät und Verfahren zum Betreiben eines Kältegeräts
JP5175705B2 (ja) * 2008-12-15 2013-04-03 株式会社東芝 冷蔵庫
US9605884B2 (en) * 2011-10-24 2017-03-28 Whirlpool Corporation Multiple evaporator control using PWM valve/compressor
CN104296454A (zh) * 2014-10-15 2015-01-21 合肥华凌股份有限公司 冰箱

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6041779U (ja) * 1983-08-31 1985-03-25 株式会社東芝 冷蔵庫
CN201852392U (zh) * 2010-11-02 2011-06-01 合肥美的荣事达电冰箱有限公司 冰吧

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