EP2171378B1 - Refrigerator and/or freezer device - Google Patents

Refrigerator and/or freezer device Download PDF

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Publication number
EP2171378B1
EP2171378B1 EP08773707.8A EP08773707A EP2171378B1 EP 2171378 B1 EP2171378 B1 EP 2171378B1 EP 08773707 A EP08773707 A EP 08773707A EP 2171378 B1 EP2171378 B1 EP 2171378B1
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EP
European Patent Office
Prior art keywords
unit
heating device
door
accordance
refrigerator
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.)
Not-in-force
Application number
EP08773707.8A
Other languages
German (de)
French (fr)
Other versions
EP2171378A1 (en
Inventor
Helmuth Bauer
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.)
Liebherr Hausgeraete Lienz GmbH
Original Assignee
Liebherr Hausgeraete Lienz GmbH
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Filing date
Publication date
Application filed by Liebherr Hausgeraete Lienz GmbH filed Critical Liebherr Hausgeraete Lienz GmbH
Publication of EP2171378A1 publication Critical patent/EP2171378A1/en
Application granted granted Critical
Publication of EP2171378B1 publication Critical patent/EP2171378B1/en
Not-in-force 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
    • F25D21/04—Preventing the formation of frost or condensate
    • 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
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • 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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • 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
    • F25D23/00—General constructional features
    • F25D23/10—Arrangements for mounting in particular locations, e.g. for built-in type, for corner type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F25D2323/024—Door hinges
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/40—Refrigerating devices characterised by electrical wiring

Definitions

  • the present invention relates to a refrigerator and / or freezer with a device outer wall and / or with the device interior closing door or flap.
  • the insulation of the refrigerator and / or freezer door in built-in appliances is carried out correspondingly strong in order to avoid condensation.
  • the door insulation must be performed so strong that would result in a relatively large loss of content in the device.
  • Another way to improve insulation is the use of vacuum panels.
  • vacuum panels have the disadvantage that they are relatively expensive and in the case of very small leaks lose their good insulating properties in the long term.
  • US 4 127 765 A discloses a refrigerator and / or freezer having all the features of the preamble of claim 1 of the invention.
  • the present invention is therefore the object of developing a refrigerator and / or freezer of the type mentioned in such a way that the occurrence of condensate reliably prevented or the probability of the occurrence of condensate is reliably reduced.
  • the door or flap has an outer wall and that the heating device is arranged on the inside and / or outside.
  • the heater can be provided in series use or be designed as a retrofit kit.
  • kits that consists of said heater or at least this. It is conceivable, for example, subsequently to apply the kit or the heater on the appliance door or flap or between the appliance door and furniture door.
  • the heater is conceivable, for example, to perform the heater as a film heater, which is glued to the outside of the door or door.
  • the type of heating is arbitrary. The same applies to their attachment.
  • a preferred embodiment of the invention lies in a foil heater with a small thickness. If a device door and a furniture door are provided, this results in particular in the advantage that a minimum distance can be realized between the two doors.
  • the heating device is located on the inside of the door or flap, provision can be made for the heating device to be foamed in or adjacent to the foam.
  • the use of the heater is not limited to the door or flap of the device. It is conceivable that the condensation on the housing of the device should be prevented. Thus, it can be provided that the heating device is arranged on the inside and / or on the outside of the device outer wall. In this case, it may be useful to provide one or more heating devices there as well.
  • the heating power of the heater used in the invention can be relatively low, since this only has the task to ensure that the dew point is not exceeded as possible in the desired installation conditions.
  • the heating device is an electric heater.
  • the use of a film heater is provided, which requires a small mounting space.
  • a self-adhesive heater or a self-adhesive film heater is used, but any other form of heating or electric heating is used.
  • the device is in communication with a furniture door or flap and that the heating device is arranged in the region between the furniture door or flap and the appliance door or flap.
  • the heating device can be arranged on the appliance door or flap or on the furniture door or flap. It is also conceivable to arrange the heater in the space between two doors or flaps. It is crucial that the heating device is designed in such a way that said condensate formation in the region in question is completely or substantially prevented.
  • the heating device has at least one cable, in particular via a connection and / or sensor cable, and that the cable is guided over the hinge or hinges, by means of which / the door or flap of the device pivoted is.
  • the applicant's utility model application with the file number DE 20 2007 008 106.5 referenced the disclosure of which is the subject of the present invention. It is thus conceivable to guide the cable or cables in a suitable manner over the hinge, as a result of which the cable (s) is / are protected against jamming and damage even with extremely frequent actuation of the door or flap.
  • connection means in particular a socket for connecting the cable or cables are arranged on the body of the device.
  • connection means in particular a socket for connecting the cable or cables are arranged on the body of the device.
  • the device has a control or regulating device for operating the heater or a receptacle for such a control or regulating device. It is advantageous if a mounting option of the control or regulating device is already taken into account on the device side.
  • the control or regulating device may be designed such that it switches on the heating device as soon as the device is switched on. In this case, the heater will run with the unit turned on.
  • the heating power must be matched to the door or flap surface, on the one hand to ensure that the formation of condensate does not occur or only to a minor extent and on the other hand to avoid an unacceptably high heating of the device.
  • a temperature sensor is provided for determining a temperature actual value, and that the control or regulating device is designed such that it operates the heater such that the actual temperature value with the due to a comparison of the actual temperature value with a temperature setpoint or with a temperature setpoint range Temperature setpoint or is within the temperature setpoint range. It is conceivable, for example, that the temperature sensor is arranged on the outside of the door or flap or, for example, measures the temperature in the area between a furniture door or flap and the appliance door or flap.
  • the temperature sensor can of course also be arranged elsewhere. It is essential that by means of the measured actual temperature conclusions on the probability of the occurrence of condensate can be drawn, so that the heater can be controlled accordingly.
  • a temperature sensor for determining a Temperaturistives is provided on or in the range of the device and a temperature sensor for measuring the ambient temperature, and that the control or regulating device is designed such that they due to a comparison of Temperaturistagonist the Heating device operates.
  • the control or regulating device is designed such that they due to a comparison of Temperaturistagonist the Heating device operates.
  • the device when the device is designed with a sensor for determining the humidity and when the control or regulating device is designed such that it operates the heater due to the measured humidity is particularly advantageous.
  • This solution also allows an energy-optimized deployment of the heater. For example, it can be provided that the heater is operated at the lower power, the lower the humidity, since then decreases the probability of the occurrence of condensate.
  • control unit communicates with one or more humidity sensors as well as with one or more temperature sensors and operates the heater on the basis of combined actual values of humidity and temperature.
  • the heating device has one or more heating circuits. If there are several heating circuits, ie areas that can be operated with different heating power, it is possible to use the Adjust heating capacity differently for different areas of the device. It is conceivable, for example, to provide a greater heating power in the area with a greater likelihood of the occurrence of condensate than in other areas.
  • the refrigerator and / or freezer is a built-in appliance.
  • the invention is not limited to these devices.
  • the heater is optionally designed with their incoming and outgoing cables as a kit, which is subsequently mounted on an existing device.
  • This can also consist of a self-adhesive film heater, which is glued to the outside of the door. If the device is a built-in device, a minimal distance between the appliance door and the furniture door can be realized due to the small thickness of the foil heating.
  • the kit also includes a cable guide, which is subsequently attached to the device or on the hinge with a suitable cable guide and ensures positioning of the supplying or dissipating cable.
  • a corresponding plug-in option is provided on the device side. Also provided on the device side is the ability to install the control or regulating device. In these cases, a retrofitting of existing devices can thus be carried out in a simple manner.
  • a cooling device is designed as standard with an electric heater, which is a self-adhesive foil heating, which is prior to foaming of the door on the inner surface the outer door is attached. Then the door is filled with foam and provided with the inner door.
  • the supply line of the electric heater is guided via a bushing or the like from the insulating foam to the outside and passed over a corresponding cable guide on the hinge to the cabinet housing.
  • the electric heater is not connected to a control electronics, but only with a power supply that operates the electric heater permanently or in response to certain operating conditions, such as depending on whether the device is turned on.
  • control device in the device, by means of which the heating power or the temperature is controlled at the points of the device in which is to be expected with the greatest likelihood of condensation. It can be provided that the temperature of the environment and / or the device surface, preferably the door surface, is measured and connected via an electrical or mechanical thermostat according to this temperature, the electric heater is switched on or off or their performance is adjusted. In this way, it can be achieved, for example, that the temperature is kept constant in the stated range or is always in a desired value range.
  • the use of a humidity sensor is also conceivable, it being possible for the heating device to be switched on or off or its power to be regulated on the basis of the measured moisture value.
  • control and regulation of the heating device can be realized independently of whether it is a series solution from the outset used heater or a retrofit kit with subsequently attached heater is.

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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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Refrigerator Housings (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Central Heating Systems (AREA)
  • Building Environments (AREA)

Description

Die vorliegende Erfindung betrifft ein Kühl- und/oder Gefriergerät mit einer Geräteaußenwand und/oder mit einer den Geräteinnenraum verschließenden Tür oder Klappe.The present invention relates to a refrigerator and / or freezer with a device outer wall and / or with the device interior closing door or flap.

Bei hoher Luftfeuchtigkeit tritt an der Oberfläche insbesondere von Einbaugeräten, speziell an deren Tür, Kondensat auf und läuft zwischen der Kühlgerätetür und der Möbeltür nach unten. Dies ist unerwünscht, denn es führt zu Beschädigungen der Küchenmöbel und des Bodens und dementsprechend gegebenenfalls zu Reklamationen.In the case of high air humidity condensate appears on the surface, in particular of built-in appliances, especially on their door, and runs down between the refrigerator door and the furniture door. This is undesirable because it leads to damage to the kitchen furniture and the floor and, accordingly, if necessary, to complaints.

Üblicherweise wird die Isolation der Kühl- und/oder Gefriergerätetür bei Einbaugeräten entsprechend stark ausgeführt, um eine Kondensatbildung zu vermeiden. Damit beispielsweise auch bei 90% Luftfeuchtigkeit kein Kondensat entsteht, muss jedoch die Türisolation derart stark ausgeführt werden, dass sich ein vergleichsweise großer Inhaltsverlust im Gerät ergeben würde. Eine weitere Möglichkeit, die Isolation zu verbessern, ist der Einsatz von Vakuumpaneelen. Diese weisen jedoch den Nachteil auf, dass sie vergleichsweise teuer sind und im Falle geringster Undichtigkeiten auf Dauer ihre guten Isoliereigenschaften verlieren.Usually, the insulation of the refrigerator and / or freezer door in built-in appliances is carried out correspondingly strong in order to avoid condensation. Thus, for example, even at 90% humidity condensate does not occur, however, the door insulation must be performed so strong that would result in a relatively large loss of content in the device. Another way to improve insulation is the use of vacuum panels. However, these have the disadvantage that they are relatively expensive and in the case of very small leaks lose their good insulating properties in the long term.

US 4 127 765 A offenbart ein Kühl- und/oder Gefriergerät, das sämtliche Merkmale des Oberbegriffs des Anspruchs 1 der Erfindung aufweist. US 4 127 765 A discloses a refrigerator and / or freezer having all the features of the preamble of claim 1 of the invention.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein Kühl- und/oder Gefriergerät der eingangsgenannten Art dahingehend weiterzubilden, dass das Auftreten von Kondensat zuverlässig verhindert bzw. die Wahrscheinlichkeit für das Auftreten von Kondensat zuverlässig verringert wird.The present invention is therefore the object of developing a refrigerator and / or freezer of the type mentioned in such a way that the occurrence of condensate reliably prevented or the probability of the occurrence of condensate is reliably reduced.

Diese Aufgabe wird durch ein Kühl- und/oder Gefriergerät mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a refrigerator and / or freezer with the features of claim 1.

Denkbar ist es, dass die Tür oder Klappe eine Außenwand aufweist und dass die Heizeinrichtung auf deren Innenseite und/oder Außenseite angeordnet ist.It is conceivable that the door or flap has an outer wall and that the heating device is arranged on the inside and / or outside.

Die Heizeinrichtung kann im Serieneinsatz vorgesehen werden oder auch als Nachrüstsatz ausgeführt sein.The heater can be provided in series use or be designed as a retrofit kit.

Ist sie im Serieneinsatz vorgesehen, ist beispielsweise, jedoch nicht zwingend vorgesehen, dass sie vor dem Schäumen der Tür an der Innenfläche der Türaußenwandung aufgebracht wird und sodann das Ausschäumen vorgenommen wird. Jedoch ist auch bei einem Serieneinsatz alternativ oder zusätzlich eine andere Anordnung der Heizeinrichtung, beispielsweise im Bereich des Gerätegehäuses denkbar.If it is used in series production, it is for example, but not necessarily intended that it is applied to the inner surface of the door outer wall before the foaming of the door and then the foaming is carried out. However, alternatively or additionally, another arrangement of the heating device, for example in the region of the device housing, is also conceivable for a series application.

Anstatt serienmäßig alle Geräte mit einer derartigen Heizeinrichtung auszuführen, was vergleichsweise kostenintensiv ist, zumal eine Heizeinrichtung in vielen Fallen aufgrund der Umgebungsbedingungen nicht erforderlich ist, kann vorgesehen sein, einen Bausatz bereitzustellen, der aus der genannten Heizeinrichtung besteht oder diese zumindest aufweist. Denkbar ist es beispielsweise, nachträglich auf der Gerätetür oder -klappe oder zwischen Gerätetür und Möbeltür den Bausatz bzw. die Heizeinrichtung aufzubringen.Instead of making all appliances with such a heater as standard, which is relatively expensive, especially as a heater is not required in many cases due to the environmental conditions, can be provided to provide a kit that consists of said heater or at least this. It is conceivable, for example, subsequently to apply the kit or the heater on the appliance door or flap or between the appliance door and furniture door.

Denkbar ist es beispielsweise, die Heizeinrichtung als Folienheizung auszuführen, die außen auf die Gerätetür oder -klappe geklebt wird.It is conceivable, for example, to perform the heater as a film heater, which is glued to the outside of the door or door.

Wie oben ausgeführt, ist die Art der Heizung beliebig. Dasselbe gilt für deren Befestigungsart.As stated above, the type of heating is arbitrary. The same applies to their attachment.

Eine bevorzugte Ausgestaltung der Erfindung liegt in einer Folienheizung mit geringer Dicke. Ist eine Gerätetür sowie eine Möbeltür vorgesehen, ergibt sich dabei insbesondere der Vorteil, dass zwischen beiden Türen ein minimaler Abstand realisierbar ist.A preferred embodiment of the invention lies in a foil heater with a small thickness. If a device door and a furniture door are provided, this results in particular in the advantage that a minimum distance can be realized between the two doors.

Befindet sich die Heizeinrichtung auf der Innenseite der Tür oder Klappe, kann vorgesehen sein, dass die Heizeinrichtung eingeschäumt ist oder an die Einschäumung angrenzt.If the heating device is located on the inside of the door or flap, provision can be made for the heating device to be foamed in or adjacent to the foam.

Denkbar ist es beispielsweise, vor dem Schäumen der Tür die Heizeinrichtung an der Innenfläche der Türaußenwandung aufzubringen, und zwar vorzugsweise derart, dass eine möglichst gleichmäßige Wärmeverteilung an der Türoberfläche gewährleistet ist.It is conceivable, for example, to apply the heating device to the inner surface of the door outer wall before foaming the door, preferably in such a way that the most uniform possible heat distribution is ensured at the door surface.

Der Einsatz der Heizeinrichtung ist nicht auf die Tür oder Klappe des Gerätes beschränkt. Denkbar ist es, dass die Kondensatbildung auch am Gehäuse des Gerätes verhindert werden soll. Somit kann vorgesehen sein, dass die Heizeinrichtung auf der Innenseite und/oder auf der Außenseite der Geräteaußenwand angeordnet ist. In diesem Fall kann es sinnvoll sein, auch dort eine oder mehrere Heizeinrichtungen vorzusehen.The use of the heater is not limited to the door or flap of the device. It is conceivable that the condensation on the housing of the device should be prevented. Thus, it can be provided that the heating device is arranged on the inside and / or on the outside of the device outer wall. In this case, it may be useful to provide one or more heating devices there as well.

Die Heizleistung der erfindungsgemäß eingesetzten Heizeinrichtung kann vergleichsweise gering sein, da diese nur die Aufgabe hat, sicherzustellen, dass der Taupunkt bei den gewünschten Aufstellungsbedingungen möglichst nicht unterschritten wird.The heating power of the heater used in the invention can be relatively low, since this only has the task to ensure that the dew point is not exceeded as possible in the desired installation conditions.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass es sich bei der Heizeinrichtung um eine Elektroheizung handelt. Vorzugsweise ist der Einsatz einer Folienheizung vorgesehen, die einen geringen Montageplatz benötigt.In a further embodiment of the invention, it is provided that the heating device is an electric heater. Preferably, the use of a film heater is provided, which requires a small mounting space.

Idealerweise wird eine selbstklebende Heizeinrichtung bzw. eine selbstklebende Folienheizung verwendet, jedoch ist auch jede andere Form einer Heizung bzw. Elektroheizung einsetzbar.Ideally, a self-adhesive heater or a self-adhesive film heater is used, but any other form of heating or electric heating is used.

Gemäß der Erfindung ist vorgesehen, dass das Gerät mit einer Möbeltür oder-klappe in Verbindung steht und dass die Heizeinrichtung im Bereich zwischen der Möbeltür oder -klappe und der Gerätetür oder -klappe angeordnet ist. Die Heizeinrichtung kann dabei an der Gerätetür- oder -klappe oder auch an der Möbeltür oder -klappe angeordnet sein. Denkbar ist es ebenfalls, die Heizeinrichtung in dem Zwischenraum zwischen beiden Türen bzw. Klappen anzuordnen. Entscheidend ist, dass die Heizeinrichtung derart ausgeführt ist, dass die genannte Kondensatbildung in dem fraglichen Bereich vollständig oder weitgehend verhindert wird.According to the invention it is provided that the device is in communication with a furniture door or flap and that the heating device is arranged in the region between the furniture door or flap and the appliance door or flap. The heating device can be arranged on the appliance door or flap or on the furniture door or flap. It is also conceivable to arrange the heater in the space between two doors or flaps. It is crucial that the heating device is designed in such a way that said condensate formation in the region in question is completely or substantially prevented.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass die Heizeinrichtung über wenigstens ein Kabel, insbesondere über ein Anschluss- und/oder Fühlerkabel verfügt, und dass das Kabel über das oder die Scharniere geführt ist, mittels dessen/derer die Tür oder Klappe des Gerätes verschwenkbar ist. In diesem Zusammenhang wird auf die Gebrauchsmusteranmeldung der Anmelderin mit dem Aktenzeichen DE 20 2007 008 106.5 verwiesen, deren Offenbarungsgehalt insoweit zum Gegenstand der vorliegenden Erfindung gemacht wird. Denkbar ist es somit, das oder die Kabel in geeigneter Weise über das Scharnier zu führen, wodurch das/die Kabel gegen Klemmen und Beschädigung selbst bei extrem häufiger Betätigung der Tür oder Klappe geschützt ist/sind.In a further embodiment of the invention, it is provided that the heating device has at least one cable, in particular via a connection and / or sensor cable, and that the cable is guided over the hinge or hinges, by means of which / the door or flap of the device pivoted is. In this context, the applicant's utility model application with the file number DE 20 2007 008 106.5 referenced, the disclosure of which is the subject of the present invention. It is thus conceivable to guide the cable or cables in a suitable manner over the hinge, as a result of which the cable (s) is / are protected against jamming and damage even with extremely frequent actuation of the door or flap.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass am Korpus des Gerätes Anschlussmittel, insbesondere eine Buchse zum Anschließen des oder der Kabel angeordnet sind. Dies ist insbesondere im Falle eines Nachrüstsatzes vorteilhaft, da in diesem Falle denkbar ist, dass die Kabelenden mit einem Stecker ausgeführt sind, der in eine geeignete Buchse am Gerät eingesteckt wird, um die Heizeinrichtung mit Strom zu versorgen, Meßwerte des Fühlers an das Gerät zu übertragen etc..In a further embodiment of the invention it is provided that connection means, in particular a socket for connecting the cable or cables are arranged on the body of the device. This is particularly advantageous in the case of a retrofit kit, since in this case it is conceivable that the cable ends are designed with a plug which is plugged into a suitable socket on the device to provide power to the heater, readings of the probe to the device transferred etc.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass das Gerät über eine Steuer- oder Regeleinrichtung zum Betrieb der Heizeinrichtung oder über eine Aufnahme für eine solche Steuer- oder Regeleinrichtung verfügt. Vorteilhaft ist es, wenn bereits geräteseitig eine Einbaumöglichkeit des Steuer- bzw. Regelorgans berücksichtigt wird.In a further embodiment of the invention it is provided that the device has a control or regulating device for operating the heater or a receptacle for such a control or regulating device. It is advantageous if a mounting option of the control or regulating device is already taken into account on the device side.

Die Steuer- oder Regeleinrichtung kann derart ausgeführt sein, dass sie die Heizeinrichtung einschaltet, sobald das Gerät eingeschaltet wird. In diesem Fall läuft die Heizeinrichtung bei eingeschaltetem Gerät. Dabei muss die Heizleistung selbstverständlich auf die Tür bzw. Klappenfläche abgestimmt werden, um einerseits sicherzustellen, dass die Kondensatbildung nicht oder nur im untergeordneten Maße auftritt und um andererseits eine unzulässig hohe Erwärmung des Gerätes zu vermeiden.The control or regulating device may be designed such that it switches on the heating device as soon as the device is switched on. In this case, the heater will run with the unit turned on. Of course, the heating power must be matched to the door or flap surface, on the one hand to ensure that the formation of condensate does not occur or only to a minor extent and on the other hand to avoid an unacceptably high heating of the device.

Weiterhin kann vorgesehen sein, dass ein Temperaturfühler zur Ermittlung eines Temperaturistwertes vorgesehen ist, und dass die Steuer- oder Regeleinrichtung derart ausgeführt ist, dass sie aufgrund eines Vergleiches des Temperaturistwertes mit einem Temperatursollwert oder mit einem Temperatursollwertbereich die Heizeinrichtung derart betreibt, dass der Temperaturistwert mit dem Temperatursollwert übereinstimmt oder in dem Temperatursollwertbereich liegt. Denkbar ist beispielsweise, dass der Temperaturfühler an der Außenseite der Tür oder Klappe angeordnet ist oder beispielsweise die Temperatur in dem Bereich zwischen einer Möbeltür oder -klappe und der Gerätetür oder -klappe mißt.Furthermore, it can be provided that a temperature sensor is provided for determining a temperature actual value, and that the control or regulating device is designed such that it operates the heater such that the actual temperature value with the due to a comparison of the actual temperature value with a temperature setpoint or with a temperature setpoint range Temperature setpoint or is within the temperature setpoint range. It is conceivable, for example, that the temperature sensor is arranged on the outside of the door or flap or, for example, measures the temperature in the area between a furniture door or flap and the appliance door or flap.

Der Temperaturfühler kann selbstverständlich auch an anderer Stelle angeordnet sein. Wesentlich ist, dass mittels des gemessenen Temperaturistwertes Rückschlüsse auf die Wahrscheinlichkeit für das Auftreten von Kondensat gezogen werden können, so dass die Heizeinrichtung entsprechend angesteuert werden kann.The temperature sensor can of course also be arranged elsewhere. It is essential that by means of the measured actual temperature conclusions on the probability of the occurrence of condensate can be drawn, so that the heater can be controlled accordingly.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass ein Temperaturfühler zur Ermittlung eines Temperaturistwertes am oder im Bereich des Gerätes sowie ein Temperaturfühler zur Messung der Umgebungstemperatur vorgesehen ist, und dass die Steuer- oder Regeleinrichtung derart ausgeführt ist, dass sie aufgrund eines Vergleiches beider Temperaturistwerte die Heizeinrichtung betreibt. Durch den Vergleich der Umgebungstemperatur beispielsweise mit der Oberflächentemperatur der Tür oder Klappe ist eine besonders exakte und energiesparende Beheizung möglich. Wird festgestellt, dass beide Temperaturistwerte identisch oder ähnlich sind, ist das Auftreten von Kondensat unwahrscheinlich, so dass die Heizeinrichtung ausgeschaltet oder mit relativ geringer Leistung betrieben werden kann.In a further embodiment of the invention, it is provided that a temperature sensor for determining a Temperaturistwertes is provided on or in the range of the device and a temperature sensor for measuring the ambient temperature, and that the control or regulating device is designed such that they due to a comparison of Temperaturistwerte the Heating device operates. By comparing the ambient temperature, for example, with the surface temperature of the door or flap a particularly accurate and energy-saving heating is possible. If it is determined that both actual temperatures are identical or similar, the occurrence of condensation is unlikely, so that the heater can be switched off or operated at relatively low power.

Besonders vorteilhaft ist es, wenn das Gerät mit einem Sensor zur Ermittlung der Luftfeuchte ausgeführt ist und wenn die Steuer- oder Regeleinrichtung derart ausgeführt ist, dass sie aufgrund der gemessenen Luftfeuchtigkeit die Heizeinrichtung betreibt. Auch diese Lösung ermöglicht eine energieoptimierte Einsatzweise der Heizeinrichtung. Beispielsweise kann vorgesehen sein, dass die Heizeinrichtung mit umso geringerer Leistung betrieben wird, je geringer die Luftfeuchtigkeit ist, da dann die Wahrscheinlichkeit für das Auftreten von Kondensat abnimmt.It when the device is designed with a sensor for determining the humidity and when the control or regulating device is designed such that it operates the heater due to the measured humidity is particularly advantageous. This solution also allows an energy-optimized deployment of the heater. For example, it can be provided that the heater is operated at the lower power, the lower the humidity, since then decreases the probability of the occurrence of condensate.

Selbstverständlich ist es ebenfalls denkbar, dass die Steuer- oder Regeleinheit sowohl mit einem oder mehreren Luftfeuchtigkeitssensoren als auch mit einem oder mehreren Temperatursensoren in Verbindung steht und auf der Grundlage kombinierter Istwerte von Luftfeuchtigkeit und Temperatur die Heizeinrichtung betreibt.Of course, it is also conceivable that the control unit communicates with one or more humidity sensors as well as with one or more temperature sensors and operates the heater on the basis of combined actual values of humidity and temperature.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass die Heizeinrichtung einen oder mehrere Heizkreise aufweist. Liegen mehrere Heizkreise, d.h. mit unterschiedlicher Heizleistung betreibbare Bereiche vor, besteht die Möglichkeit, die Heizleistung für unterschiedliche Bereiche des Gerätes unterschiedlich einzustellen. Denkbar ist es beispielsweise, im Bereich mit größerer Wahrscheinlichkeit für das Auftreten von Kondensat eine größere Heizleistung vorzusehen als in anderen Bereichen.In a further embodiment of the invention, it is provided that the heating device has one or more heating circuits. If there are several heating circuits, ie areas that can be operated with different heating power, it is possible to use the Adjust heating capacity differently for different areas of the device. It is conceivable, for example, to provide a greater heating power in the area with a greater likelihood of the occurrence of condensate than in other areas.

In einer Ausgestaltung der Erfindung ist vorgesehen, dass es sich bei dem Kühl- und/oder Gefriergerät um ein Einbaugerät handelt. Jedoch ist die Erfindung nicht auf diese Geräte beschränkt.In one embodiment of the invention, it is provided that the refrigerator and / or freezer is a built-in appliance. However, the invention is not limited to these devices.

Die vorliegende Erfindung wird im Folgenden anhand eines Ausführungsbeispiels näher erläutert.The present invention will be explained in more detail below with reference to an embodiment.

In einer ersten Ausführungsform der Erfindung ist die Heizeinrichtung gegebenenfalls mit ihren zu- und abführenden Kabeln als Bausatz ausgeführt, der nachträglich an einem bestehenden Gerät montiert wird. Auch dieser kann aus einer selbstklebenden Folienheizung bestehen, die außen auf die Gerätetür geklebt wird. Handelt es sich bei dem Gerät um ein Einbaugerät, kann aufgrund der geringen Dicke der Folienheizung ein minimaler Abstand zwischen Gerätetür und Möbeltür realisiert werden.In a first embodiment of the invention, the heater is optionally designed with their incoming and outgoing cables as a kit, which is subsequently mounted on an existing device. This can also consist of a self-adhesive film heater, which is glued to the outside of the door. If the device is a built-in device, a minimal distance between the appliance door and the furniture door can be realized due to the small thickness of the foil heating.

Im Bausatz ferner ist eine Kabelführung beinhaltet, die nachträglich am Gerät bzw. am Scharnier mit einer geeigneten Kabelführung befestigt wird und die eine Positionierung der zuleitenden bzw. ableitenden Kabel gewährleistet.The kit also includes a cable guide, which is subsequently attached to the device or on the hinge with a suitable cable guide and ensures positioning of the supplying or dissipating cable.

Für den Anschluß der Elektroheizung ist geräteseitig eine entsprechende Steckmöglichkeit vorgesehen. Ebenfalls geräteseitig vorgesehen ist die Einbaumöglichkeit des Steuer- oder Regelorgans. In diesen Fällen kann somit auf einfache Art und Weise eine Nachrüstung bestehender Geräte erfolgen.For the connection of the electric heater, a corresponding plug-in option is provided on the device side. Also provided on the device side is the ability to install the control or regulating device. In these cases, a retrofitting of existing devices can thus be carried out in a simple manner.

In einer zweiten Ausführungsform der Erfindung ist vorgesehen, dass ein Kühlgerät serienmäßig mit einer Elektroheizung ausgeführt ist, bei der es sich um eine selbstklebende Folienheizung handelt, die vor dem Schäumen der Tür an der Innenfläche der Außentür angebracht wird. Anschließend wird die Tür ausgeschäumt und mit der Innentür versehen.In a second embodiment of the invention it is provided that a cooling device is designed as standard with an electric heater, which is a self-adhesive foil heating, which is prior to foaming of the door on the inner surface the outer door is attached. Then the door is filled with foam and provided with the inner door.

Die Zuleitung der Elektroheizung wird über eine Buchse oder dergleichen aus dem Isolierschaum nach außen geführt und über eine entsprechende Kabelführung über das Scharnier zum Schrankgehäuse geleitet.The supply line of the electric heater is guided via a bushing or the like from the insulating foam to the outside and passed over a corresponding cable guide on the hinge to the cabinet housing.

Denkbar ist es, dass die Elektroheizung nicht mit einer Regelelektronik, sondern lediglich mit einer Stromversorgung in Verbindung steht, die die Elektroheizung dauerhaft oder in Abhängigkeit von bestimmten Betriebszuständen, wie beispielsweise in Abhängigkeit davon betreibt, ob das Gerät eingeschaltet ist.It is conceivable that the electric heater is not connected to a control electronics, but only with a power supply that operates the electric heater permanently or in response to certain operating conditions, such as depending on whether the device is turned on.

Denkbar ist es ferner, eine Regeleinrichtung im Gerät vorzusehen, mittels derer die Heizleistung bzw. die Temperatur an den Stellen des Gerätes geregelt wird, in denen mit größter Wahrscheinlichkeit mit Kondensatbildung zu rechnen ist. Dabei kann vorgesehen sein, dass die Temperatur der Umgebung und/oder der Geräteoberfläche, vorzugsweise der Türoberfläche, gemessen wird und über einen elektrischen oder mechanischen Thermostaten entsprechend dieser Temperatur die Elektroheizung zu- oder abgeschaltet wird bzw. deren Leistung angepaßt wird. Auf diese Weise kann beispielsweise erreicht werden, dass die Temperatur in dem genannten Bereich konstant gehalten wird oder stets in einem Sollwertbereich liegt.It is also conceivable to provide a control device in the device, by means of which the heating power or the temperature is controlled at the points of the device in which is to be expected with the greatest likelihood of condensation. It can be provided that the temperature of the environment and / or the device surface, preferably the door surface, is measured and connected via an electrical or mechanical thermostat according to this temperature, the electric heater is switched on or off or their performance is adjusted. In this way, it can be achieved, for example, that the temperature is kept constant in the stated range or is always in a desired value range.

Auch kann vorgesehen sein, durch einen Vergleich der Umgebungstemperatur mit der Oberflächentemperatur eine besonders exakte und energiesparende Beheizung möglich zu machen.It can also be provided to make a particularly accurate and energy-saving heating possible by comparing the ambient temperature with the surface temperature.

Schließlich ist alternativ oder zusätzlich auch der Einsatz eines Feuchtesensors denkbar, wobei aufgrund des gemessenen Feuchtewertes die Heizeinrichtung zu- oder abgeschaltet bzw. deren Leistung geregelt werden kann.Finally, alternatively or additionally, the use of a humidity sensor is also conceivable, it being possible for the heating device to be switched on or off or its power to be regulated on the basis of the measured moisture value.

Die oben angeführten Beispiele zur Steuerung und Regelung der Heizeinrichtung sind unabhängig davon realisierbar, ob es sich um eine Serienlösung mit von vornherein eingesetzter Heizeinrichtung oder um einen Nachrüstsatz mit nachträglich anzubringender Heizeinrichtung handelt.The examples given above for the control and regulation of the heating device can be realized independently of whether it is a series solution from the outset used heater or a retrofit kit with subsequently attached heater is.

Claims (15)

  1. A refrigerator unit and/or a freezer unit having an outer unit wall and/or having a door or flap closing the inner unit space, wherein a heating device is provided at or in the region of the door or flap and/or at or in the region of the outer unit wall,
    characterized in that
    the unit is connected to a furniture door or furniture flap; and in that the heating device is arranged in the region between the furniture door or furniture flap and the door or flap of the unit.
  2. A refrigerator unit and/or a freezer unit in accordance with claim 1, characterized in that the door or flap has an outer door wall or an outer flap wall; and in that the heating device is arranged at its inner side or at its outer side.
  3. A refrigerator unit and/or a freezer unit in accordance with one of the preceding claims, characterized in that the heating device is arranged on the inner side and/or on the outer side of the outer unit wall.
  4. A refrigerator unit and/or a freezer unit in accordance with one of the preceding claims, characterized in that the heating device is made in the form of a retrofit kit or as a component of a retrofit kit.
  5. A refrigerator unit and/or a freezer unit in accordance with one of the preceding claims, characterized in that the heating device is an electric heating.
  6. A refrigerator unit and/or a freezer unit in accordance with claim 5, characterized in that the heating device is a foil heating.
  7. A refrigerator unit and/or a freezer unit in accordance with one of the preceding claims, characterized in that the heating device is a self-adhesive heating device.
  8. A refrigerator unit and/or a freezer unit in accordance with one of the preceding claims, with provision being made that the heating device is arranged at the furniture door or furniture flap and/or at the door or flap of the unit.
  9. A refrigerator unit and/or a freezer unit in accordance with one of the preceding claims, characterized in that the heating device is foamed in or is adjacent to a foaming.
  10. A refrigerator unit and/or a freezer unit in accordance with one of the preceding claims, characterized in that the heating device has at least one cable, in particular a connection and/or sensor cable; and in that the cable is guided via the hinge by means of which the door or flap of the unit is pivotable, with provision preferably being made that connection means, in particular a socket, is provided at the carcass of the unit for the connection of the cable or cables.
  11. A refrigerator unit and/or a freezer unit in accordance with one of the preceding claims, characterized in that the unit has a control or regulation unit for the operation of the heating device or a mount for such a control or regulation unit, with provision preferably being made that the control or regulation device is made such that it switches the heating device on as soon as the unit is switched on.
  12. A refrigerator unit and/or a freezer unit in accordance with claim 11, characterized in that a temperature sensor is provided for the determination of an actual temperature value; and in that the control or regulation device is made such that it operates the heating device on the basis of a comparison of the actual temperature value with a desired temperature value or with a desired temperature value range such that the actual temperature value coincides with the desired temperature value or lies in the desired temperature value range; and/or in that a temperature sensor is provided for the determination of an actual temperature value at or in the region of the unit and a temperature sensor is provided for measurement the environmental temperature; and in that the control or regulation device is made such that it operates the heating device on the basis of a comparison of both actual temperature values.
  13. A refrigerator unit and/or a freezer unit in accordance with one of the claims 11 or 12, characterized in that the unit is made with a sensor for the determination of the air humidity; and in that the control or regulation device is made such that it operates the heating device on the basis of the measured air humidity.
  14. A refrigerator unit and/or a freezer unit in accordance with one of the preceding claims, characterized in that the heating device has one or more heating circuits.
  15. A refrigerator unit and/or a freezer unit in accordance with one of the preceding claims, characterized in that the refrigerator unit and/or freezer unit is a built-in unit.
EP08773707.8A 2007-06-29 2008-06-26 Refrigerator and/or freezer device Not-in-force EP2171378B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202007009117 2007-06-29
DE202007013803U DE202007013803U1 (en) 2007-06-29 2007-10-02 Fridge and / or freezer
PCT/EP2008/005232 WO2009003636A1 (en) 2007-06-29 2008-06-26 Refrigerator and/or freezer device

Publications (2)

Publication Number Publication Date
EP2171378A1 EP2171378A1 (en) 2010-04-07
EP2171378B1 true EP2171378B1 (en) 2016-04-13

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Application Number Title Priority Date Filing Date
EP08773707.8A Not-in-force EP2171378B1 (en) 2007-06-29 2008-06-26 Refrigerator and/or freezer device

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US (1) US20100192604A1 (en)
EP (1) EP2171378B1 (en)
CN (1) CN101688730B (en)
DE (1) DE202007013803U1 (en)
ES (1) ES2581993T3 (en)
WO (1) WO2009003636A1 (en)

Families Citing this family (3)

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Publication number Publication date
CN101688730B (en) 2013-02-06
WO2009003636A1 (en) 2009-01-08
DE202007013803U1 (en) 2008-11-13
US20100192604A1 (en) 2010-08-05
CN101688730A (en) 2010-03-31
ES2581993T3 (en) 2016-09-08
EP2171378A1 (en) 2010-04-07

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