WO2012045573A2 - Appareil frigorifique comprenant un accumulateur de froid - Google Patents

Appareil frigorifique comprenant un accumulateur de froid Download PDF

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Publication number
WO2012045573A2
WO2012045573A2 PCT/EP2011/066276 EP2011066276W WO2012045573A2 WO 2012045573 A2 WO2012045573 A2 WO 2012045573A2 EP 2011066276 W EP2011066276 W EP 2011066276W WO 2012045573 A2 WO2012045573 A2 WO 2012045573A2
Authority
WO
WIPO (PCT)
Prior art keywords
evaporator
refrigerating appliance
air duct
interior
cold storage
Prior art date
Application number
PCT/EP2011/066276
Other languages
German (de)
English (en)
Other versions
WO2012045573A3 (fr
WO2012045573A9 (fr
Inventor
Bertram Wolf
Frank Bailly
Jörg STELZER
Original Assignee
BSH Bosch und Siemens Hausgeräte 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 BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to EP11757654.6A priority Critical patent/EP2625477B1/fr
Publication of WO2012045573A2 publication Critical patent/WO2012045573A2/fr
Publication of WO2012045573A3 publication Critical patent/WO2012045573A3/fr
Publication of WO2012045573A9 publication Critical patent/WO2012045573A9/fr

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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/006—Self-contained movable devices, e.g. domestic refrigerators with cold storage accumulators
    • 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
    • F25D16/00—Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with refrigerating machinery
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements 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

Definitions

  • the invention relates to a refrigeration device, in particular a household refrigerator, which has a cold storage.
  • DE 695 00 621 T2 discloses a refrigerated cabinet with a freezer compartment which communicates with another compartment. The further compartment has an evaporator for cooling the air of the compartment.
  • the evaporator is associated with a cold storage, which consists of a battery of cold storage, which in turn are separated by a gap from the evaporator and arranged at a mutual distance.
  • the object of the present invention is to specify an improved refrigeration appliance, in particular an improved household refrigerating appliance with a cold storage.
  • the object of the invention is achieved by a refrigeration device, having a
  • Inner container with a coolable interior for storing refrigerated goods coupled via openings with the interior air duct, a disposed within the air channel cold storage with a storage material, and a refrigeration cycle with a arranged in the air duct evaporator, wherein the air duct and the coolable interior through a heat-insulating wall are separated from each other.
  • a refrigeration device Under a refrigeration device is in particular a household refrigeration appliance understood, ie a refrigeration appliance for household management in households or possibly in the
  • Catering area is used, and in particular serves to store food and / or drinks in household quantities at certain temperatures, such as a refrigerator, a freezer, a fridge-freezer, a freezer or a wine storage cabinet.
  • the refrigeration device according to the invention is a household cooling device, so that the coolable interior is formed as a cooling space whose target temperature is above freezing.
  • the refrigerator according to the invention therefore comprises the coolable interior and the air channel separated from the interior, which is coupled via the openings with the interior.
  • the evaporator and the cold storage are arranged, which are provided to cool the coolable interior via the openings.
  • Cold storage which are known in the art in principle, include the storage material, such as a so-called PCM (phase change material), which is intended to store cold.
  • Suitable storage materials are, for example, substances or mixtures which have a melting point (or phase change point) below the desired temperature of the coolable interior.
  • Storage materials are e.g. Brine solutions with a melting point of, for example, ⁇ 4 ° C in the case of a domestic refrigerator.
  • the interior and the air duct are thermally isolated from each other, whereby an improved temperature setting or temperature control of the coolable interior is made possible. This is particularly advantageous when the coolable interior is a cold room that is cooled to temperatures above freezing.
  • the temperature setting or temperature control of the coolable interior can then be carried out particularly well, if, according to a variant of
  • the heat-insulating wall is designed such that it substantially completely prevents heat transfer between the air duct and the coolable interior.
  • the cold storage is thermally conductively connected to the evaporator according to an embodiment of the refrigerator according to the invention. This can e.g. be realized by at least one thermal bridge is provided between the evaporator and the cold storage. But it is also possible that de evaporator and the cold storage touch.
  • the evaporator can be designed as a plate evaporator.
  • the heat-conducting connection between the plate evaporator and the cold storage obtained, for example, designed as a plate evaporator evaporator can lie flat against the cold storage.
  • the evaporator can also be designed as a lamella evaporator.
  • the fins of the vaporizer designed as a vaporizer protrude into the cold storage.
  • the air duct may extend at least for the most part vertically. Then it can be provided that the air duct is provided at its two ends with one of the openings.
  • a controllable by means of a control device of the refrigerator according to the invention can be provided fan, which is adapted from the cold storage and / or of the
  • the fan is arranged in the upper opening of the air duct or at least in the region of the upper opening of the air duct, when the air duct extends at least for the most part vertically.
  • a household cooling device with a is (phase change material) tank or generally
  • Cold storage the storage material is used in particular in the frozen state as a cold accumulator, provided.
  • the cold storage is thermally coupled to the evaporator, which is in particular part of a refrigeration cycle of the refrigerator optionally designed as a cooling device according to the invention.
  • a cold vapor compression cycle may preferably be used.
  • the PCM tank or the cold storage is separated from the refrigerator interior (coolable interior) by an additional insulation or by the heat-insulating wall, whereby this optionally cooled largely independently of the temperature of the interior, optionally can be frozen.
  • the air of the interior can be specifically directed through Luftleitkanäle on the evaporator and the PCM tank.
  • PCM material or storage material substances or mixtures may be used, which have a melting point (or phase change point) below the desired interior temperature. These are for example in the case of a household refrigerator brine solutions with a melting point of ⁇ 4 ° C.
  • the regulation of the interior temperature in the refrigerator according to the invention can preferably be carried out via the amount of air which is passed through the evaporator and / or the PCM tank (cold storage). In this case, the heat can be transferred from the air to the evaporator and / or to the PCM tank.
  • the refrigeration device according to the invention In mains operation, i. If the refrigeration device according to the invention is supplied with electrical energy via an electrical supply network, the heat can be transferred directly to the evaporator and thus possibly to the refrigerant of the refrigeration circuit. In the case of off-grid operation, the heat is transferred to the PCM tank (generally: cold storage) and thus to the PCM material (in general:
  • the relatively low power requirement of the optional fans and the control electronics or the control device of the refrigeration device according to the invention can e.g. be covered by a rechargeable battery, whereby a completely mains independent operation of the refrigerator according to the invention with relatively low power consumption from the battery over a certain period is possible.
  • the refrigeration device according to the invention allows, over a longer period without
  • Fig. 1 is a household refrigerator in a sectional view and Fig. 2 shows another household refrigerator in a sectional view.
  • Fig. 1 shows a household refrigerator 1 as an example of a refrigerator in a sectional view.
  • the household refrigerator 1 has an inner container 2 with a coolable interior 3.
  • the coolable interior 3 is provided to store refrigerated goods.
  • a door leaf 4 is hinged so that the interior 3 is accessible.
  • a separated from the coolable interior 3 compartment or a separate air duct 5 is arranged in the rear part of the inner container 2, which is limited in the case of the present embodiment by the rear wall 6 of the inner container 3 and a vertically extending wall 7.
  • the wall 7 comprises a heat-insulating material or is made of a heat-insulating material, so that the wall 7 substantially completely prevents heat transfer.
  • the air channel 5 extends essentially over the entire height of the interior 3. It has an upper opening 8 in the upper area and a lower opening 9 in the lower area, via which an air exchange between the air duct 5 and the coolable interior 3 is enabled.
  • an evaporator 10 is arranged in the case of the present embodiment.
  • the evaporator 10 is in particular as a
  • the evaporator 10 is part of a compressor refrigeration cycle, which comprises a condenser 1 1 and a compressor 12 in addition to the evaporator 10.
  • the compressor refrigeration cycle is in particular designed as a cold steam compression circuit and is by means of an electric, not shown
  • Power supply network supplied with electrical energy.
  • the household refrigerating appliance 1 further comprises a cold storage 13 arranged inside the air duct 5, in which a storage material 14, a so-called PCM (phase change material) is arranged.
  • a storage material 14 is known in the art in principle and is intended to store cold.
  • Substances or substance mixtures which have a melting point (or phase change point) below the desired temperature of the coolable interior 3 are used in particular as the storage material 14.
  • Suitable storage materials 14 are, for example, brine solutions with a
  • the cold storage 13 is thermally conductively connected to the evaporator 10.
  • the evaporator 10 touches the
  • the compressor refrigeration cycle may e.g. with a not shown
  • the household cooling device 1 further comprises a particular connected to the control device fan 15, which is arranged, if necessary, an air flow through the evaporator 10 and / or the
  • the air flow is especially when the
  • Evaporator 10 and / or the cold storage 13 is passed.
  • the heat can be transferred from the air to the evaporator 10 and / or to the cold storage 13.
  • the amount of air is controlled by the fan 15.
  • domestic refrigerating appliance 1 is configured, for example, to switch fan 15 on and off as required on the basis of a setpoint temperature of interior 3 and on the basis of a measured or determined actual temperature of interior 3.
  • switch fan 15 on and off as required on the basis of a setpoint temperature of interior 3 and on the basis of a measured or determined actual temperature of interior 3.
  • Power supply network is supplied with electrical energy, the heat can be transferred directly to the evaporator 10 and thus to the refrigerant of the refrigeration cycle.
  • Domestic refrigerator 1 is not supplied with electrical energy from the power grid. Then there is a transfer of heat to the cold storage 13 and thus to the storage material 14, which thereby thaws slowly or is heated.
  • the relatively low electrical power requirement of the fan 15 and the control device can be covered by a rechargeable, relatively small battery, not shown in detail, whereby a completely mains independent operation of the household refrigerator 1 with relatively low power consumption from the battery over a certain period is possible.
  • FIG. 2 shows a further household cooling device 21 as an example of a refrigeration device in a sectional illustration.
  • components of the household refrigerating appliance 21 shown in FIG. 2 which are substantially identical in construction and function to components of the household refrigerating appliance 1 shown in FIG. 1, are given the same reference numerals.
  • the household refrigerating appliance 21 shown in FIG. 2 differs essentially from the domestic refrigerating appliance 1 shown in FIG. 1 in that the cold storage tank 13 is arranged in an upper region of the inner container 2 and below it
  • Cold storage 13 a no-frost cooling unit or its evaporator 22 is arranged.
  • the evaporator 22 is thermally conductively connected to the cold storage 13 in the case of the present embodiment.
  • the evaporator 22 is as a
  • the no-frost cooling unit is supplied by means of an electrical power supply network not shown with electrical energy and may be connected to a control device of the household refrigeration device 21, not shown, to be turned on and off as needed, in order to uA the memory material 14 of the cold storage 13 cool.
  • the household refrigerating appliance 21 likewise comprises a compartment or air duct 5 which is separated in the rear part of the inner container 2 and from the coolable inner space 3 and which in the case of the present embodiment is bounded by the rear wall 6 of the inner container 3 and a vertically running wall 7.
  • the wall 7 comprises a heat-insulating material or is made of a heat-insulating material, so that the wall 7 substantially completely prevents heat transfer.
  • the air duct 5 has a horizontally extending wall 27 which adjoins the vertically extending wall 7 and which likewise comprises a heat-insulating material or is made of a heat-insulating material, so that the horizontally extending wall 27 likewise substantially completely completes a heat transfer prevented.
  • the evaporator 22 is in particular on the horizontally extending wall 27.
  • the air channel 5 has an upper opening 28 in the upper area, a central opening 23 in the central area and a lower opening in the middle area
  • the household cooling device 21 further comprises a particular associated with the control device fan 25 which is adapted, if necessary, a flow of air through the evaporator 22 and / or the
  • the air flow is especially when the
  • Evaporator 22 and / or the cold storage 13 is passed.
  • the heat can be transferred from the air to the evaporator 22 and / or to the cold storage 13.
  • the amount of air is controlled by the fan 25.
  • Domestic refrigerator 1 is, for example, set up in this way, the fan 25th on demand and off due to a target temperature of the inner space 3 and due to a measured or determined actual temperature of the inner space 3.
  • Power supply network is supplied with electrical energy, the heat can be transferred directly to the evaporator 22 and thus to the refrigerant of the refrigeration cycle.
  • Household cooler 21 is not supplied with electrical energy from the power grid. Then there is a transfer of heat to the cold storage 13 and thus to the storage material 14, which thereby thaws slowly or is heated.
  • the relatively low electrical power requirement of the fan 25 and the control device can be covered by a rechargeable, relatively small battery, not shown in detail, whereby a completely mains independent operation of the household cooling device 21 is possible with relatively low power consumption from the battery over a certain period.

Abstract

L'invention concerne un appareil frigorifique (1, 21) qui comprend un récipient interne (2) présentant un compartiment interne (3) pouvant être réfrigéré, destiné à l'entreposage de denrées réfrigérées, un conduit de circulation d'air (5) relié au compartiment interne (3) par des ouvertures (8, 9, 23, 28, 29), un accumulateur de froid (13) comprenant un matériau accumulateur (14), placé à l'intérieur du conduit de circulation d'air (5), et un circuit frigorifique comprenant un évaporateur (10, 22) placé dans le conduit de circulation d'air (5). Le conduit de circulation d'air (5) et le compartiment interne (3) pouvant être réfrigéré, sont séparés par une paroi thermo-isolante (7, 27).
PCT/EP2011/066276 2010-10-04 2011-09-20 Appareil frigorifique comprenant un accumulateur de froid WO2012045573A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11757654.6A EP2625477B1 (fr) 2010-10-04 2011-09-20 Appareil frigorifique comprenant un accumulateur de froid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010041952A DE102010041952A1 (de) 2010-10-04 2010-10-04 Kältegerät mit einem Kältespeicher
DE102010041952.4 2010-10-04

Publications (3)

Publication Number Publication Date
WO2012045573A2 true WO2012045573A2 (fr) 2012-04-12
WO2012045573A3 WO2012045573A3 (fr) 2012-12-27
WO2012045573A9 WO2012045573A9 (fr) 2013-07-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/066276 WO2012045573A2 (fr) 2010-10-04 2011-09-20 Appareil frigorifique comprenant un accumulateur de froid

Country Status (3)

Country Link
EP (1) EP2625477B1 (fr)
DE (1) DE102010041952A1 (fr)
WO (1) WO2012045573A2 (fr)

Cited By (2)

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RU183476U1 (ru) * 2018-05-03 2018-09-24 Акционерное общество "Производственное объединение "Завод имени Серго" Холодильник
CN114440518A (zh) * 2020-10-30 2022-05-06 青岛海尔电冰箱有限公司 冰箱及其控制方法

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DE102012207683A1 (de) 2012-05-09 2013-11-14 BSH Bosch und Siemens Hausgeräte GmbH Haushaltskältegerät mit Wärmetauscher und Verdampfer am Gefrierfach
DE102012207679A1 (de) 2012-05-09 2013-11-14 BSH Bosch und Siemens Hausgeräte GmbH Haushaltskältegerät mit zumindest einem kühlbaren Innenraum zum Lagern von Kältegut
DE102012207681A1 (de) 2012-05-09 2013-11-14 BSH Bosch und Siemens Hausgeräte GmbH Haushaltskältegerät mit Temperaturerfassungssensoren und Verfahren zum Betreiben eines derartigen Haushaltskältegeräts
DE102012207685A1 (de) 2012-05-09 2013-11-14 BSH Bosch und Siemens Hausgeräte GmbH Haushaltskältegerät mit einem Kältespeicher als Trennbereich zwischen zwei Innenräumen
DE102012207686A1 (de) 2012-05-09 2013-11-14 BSH Bosch und Siemens Hausgeräte GmbH Haushaltskältegerät mit zwei kühlbaren Innenräumen und jeweils einem Kältespeicher
DE102012207684A1 (de) 2012-05-09 2013-11-14 BSH Bosch und Siemens Hausgeräte GmbH Haushaltskältegerät mit zwei über einen Luftkanal verbundenen Innenräumen und zumindest einem Kältespeicher
DE102012207682A1 (de) 2012-05-09 2013-11-14 BSH Bosch und Siemens Hausgeräte GmbH Haushaltskältegerät mit drei Temperaturerfassungssensoren und Verfahren zum Betreiben eines Haushaltskältegeräts
DE102012207687A1 (de) 2012-05-09 2013-11-14 BSH Bosch und Siemens Hausgeräte GmbH Haushaltskältegerät mit einem mit dem Gefrierfach gekoppelten Kältespeicher
DE102012207680A1 (de) 2012-05-09 2013-11-14 BSH Bosch und Siemens Hausgeräte GmbH Haushaltskältegerät mit einstellbarem Gefrierbetriebsmodus
DE102012222848A1 (de) 2012-12-12 2014-06-12 BSH Bosch und Siemens Hausgeräte GmbH Behälter für ein Haushaltskältegerät mit einer Wand mit PCM-Material sowie Haushaltskältegerät und Verwendung eines PCM-Materials in einer Wand eines Haushaltskältegeräts
CN103353202A (zh) * 2013-08-06 2013-10-16 合肥华凌股份有限公司 导风管和具有它的冰箱
AT14764U1 (de) * 2015-06-18 2016-05-15 Landig & Lava Gmbh & Co Kg Fleischreifevorrichtung mit Plattenverdampfer
DE102015216078A1 (de) 2015-08-24 2017-03-02 BSH Hausgeräte GmbH Haushaltskältegerät mit einem nicht von Isolationsschaum umgebenem Druckausgleichselement eines Sekundär-Kältekreislaufs
DE102015216077A1 (de) 2015-08-24 2017-03-16 BSH Hausgeräte GmbH Haushaltskältegerät mit einer Kältemittel-Zwischenlagereinheit in einem Sekundär-Kältekreislauf sowie Verfahren zum Abtauen eines Wärmetauschers eines Sekundär-Kältekreislaufs
DE102015218445A1 (de) 2015-09-25 2017-03-30 Bayerisches Zentrum Für Angewandte Energieforschung E. V. Wärmetauscher mit MPE-Bauteil und zwei Medien-Strömungslabyrinthen sowie Haushaltskältegerät
DE102016202677A1 (de) 2016-02-22 2017-08-24 BSH Hausgeräte GmbH Haushaltskältegerät, insbesondere No-Frost-Haushaltskältegerät, mit Getränkegerät, welches thermisch mit dem Kühlfach und dem Gefrierfach gekoppelt ist
WO2017149032A1 (fr) * 2016-03-02 2017-09-08 Coolfinity Ip B.V. Réfrigérateur et processus de refroidissement
DE102016210706A1 (de) 2016-06-15 2017-12-21 BSH Hausgeräte GmbH Haushaltskältegerät mit einer Eisbereitereinheit und einer eine Druckkammer aufweisenden Kühlvorrichtung zum Kühlen der Eisbereitereinheit
DE102016210705A1 (de) 2016-06-15 2017-12-21 BSH Hausgeräte GmbH Haushaltskältegerät mit einem mit einem Luftkreislauf koppelbaren Lagerbereich zur Durchführung eines Verdunstungskühlungs-Betriebs sowie Verfahren zum Betreiben eines Haushaltskältegeräts
DE102016224389A1 (de) 2016-12-07 2018-06-07 BSH Hausgeräte GmbH No-Frost-Haushaltskältegerät mit zur Rückwand dichtender Trennplatte
DE102016224608A1 (de) 2016-12-09 2018-06-14 BSH Hausgeräte GmbH Haushaltskältegerät mit spezifischem Abdecksystem in einem Aufnahmeraum für Lebensmittel
DE102016224610A1 (de) 2016-12-09 2018-06-14 BSH Hausgeräte GmbH Haushaltskältegerät mit spezifischer Befestigung einer Abdeckplatte an einem Aufnahmeraum für Lebensmittel sowie Verfahren zur Montage einer derartigen Abdeckplatte
DE102017205066A1 (de) 2017-03-24 2018-09-27 BSH Hausgeräte GmbH Haushaltskältegerät mit einem spezifisch kühlbaren Speiseeisbereiter
CN107328142A (zh) * 2017-06-14 2017-11-07 合肥华凌股份有限公司 无风道盖板的制冷设备
CN110118464B (zh) * 2018-02-06 2022-09-02 Bsh家用电器有限公司 具有支撑基底的家用制冷器具及覆盖板的安装方法
WO2020141352A1 (fr) * 2019-01-02 2020-07-09 Soben Robot mobile autonome electrique à compartiment réfrigéré

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU183476U1 (ru) * 2018-05-03 2018-09-24 Акционерное общество "Производственное объединение "Завод имени Серго" Холодильник
CN114440518A (zh) * 2020-10-30 2022-05-06 青岛海尔电冰箱有限公司 冰箱及其控制方法
CN114440518B (zh) * 2020-10-30 2023-10-24 青岛海尔电冰箱有限公司 冰箱及其控制方法

Also Published As

Publication number Publication date
DE102010041952A1 (de) 2012-04-05
EP2625477A2 (fr) 2013-08-14
WO2012045573A3 (fr) 2012-12-27
EP2625477B1 (fr) 2020-02-12
WO2012045573A9 (fr) 2013-07-18

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