EP2299181B1 - Cooking device with a cooking chamber partition panel - Google Patents

Cooking device with a cooking chamber partition panel Download PDF

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Publication number
EP2299181B1
EP2299181B1 EP10175039.6A EP10175039A EP2299181B1 EP 2299181 B1 EP2299181 B1 EP 2299181B1 EP 10175039 A EP10175039 A EP 10175039A EP 2299181 B1 EP2299181 B1 EP 2299181B1
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EP
European Patent Office
Prior art keywords
cooking
cooking chamber
unit
operating mode
designed
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EP10175039.6A
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German (de)
French (fr)
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EP2299181A1 (en
Inventor
Franz Brunner
Klaus Erdmann
Aric Jennings
Markus Theine
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Priority to PL10175039T priority Critical patent/PL2299181T3/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/16—Shelves, racks or trays inside ovens; Supports therefor
    • F24C15/166—Shelves, racks or trays inside ovens; Supports therefor with integrated heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination

Definitions

  • the invention relates to a cooking appliance, in particular an oven, according to the preamble of claim 1.
  • the object of the invention is in particular to provide a generic device with improved properties in terms of comfortable operation and safe operation.
  • the invention is based on a cooking appliance, in particular an oven, with an operating unit, a display unit, with a cooking chamber, with a heating element integrated in a cooking chamber cover for providing a top heat and an independently controllable heating element integrated in a cooking chamber floor for providing a bottom heat and with at least one arranged in the cooking chamber cooking space divider.
  • a "cooking space divider” should be understood as meaning, in particular, an element which is intended to separate the cooking space into at least two subspaces, in particular in a horizontal division, and which, in particular, provides thermal insulation of the at least two subspaces to a substantial prevention of mass transfer between the two subspaces may have a sealing element.
  • active cooking space dividers which comprise at least one heating element and passive cooking space dividers which do not comprise a heating element.
  • the cooking chamber of the cooking appliance can be closed with a door.
  • the cooking device comprises at least one sensor unit which is set up to detect at least one parameter of the cooking chamber divider in a signal, and a control unit which is configured to evaluate a signal of the at least one sensor unit.
  • a "control unit” is to be understood as meaning in particular a device having a computing unit, a memory unit, an operating program stored therein and / or an application program stored therein.
  • a "parameter” is to be understood as meaning, in particular, an orientation, a position, an identification feature, a type feature or an electrical measured variable characterizing the cooking chamber divider. This allows a particularly safe and comfortable operation of the cooking appliance and the at least one cooking chamber divider can be achieved.
  • an erroneous confusion of cooking space divider can be detected and a commissioning of a mistakenly mistaken cooking space divider can be avoided.
  • detection of disturbances during operation of the at least one cooking compartment divider can be made possible.
  • an electrical measurement variable of the at least one cooking compartment divider can be an electrical resistance.
  • control unit is set up to change from one operating mode to another operating mode, at least on the basis of a signal of the at least one sensor unit.
  • control unit is set up to change the operating unit in at least one operating feature at least when changing at least one first operating mode to another operating mode, a solution with a comfortable operation can be achieved by automatic adaptation when a cooking chamber divider is inserted into the cooking appliance or an exchange of a Garraumteilers be provided against another cooking compartment divider.
  • control unit is set up, at least when changing at least a first operating mode in a further operating mode to change a representation of the display unit in at least one display feature.
  • a change of one type or a change of at least one specification feature of the at least one cooking chamber divider can be displayed.
  • the at least one cooking chamber divider comprises at least one heating element to reduce a cooking chamber volume for cooking food. Energy is saved by a lower mass to be heated and a short heating time is achieved.
  • the cooking appliance has a power supply unit which is provided to provide an electrical power supply to the at least one cooking space divider in at least two different height levels of the cooking space.
  • the cooking chamber of the cooking appliance can be divided in a flexible manner and adapted as Railgarraum to a size of the food, whereby time and energy can be saved for cooking.
  • a cooking appliance with different operating modes and zones can be provided.
  • the electrical power supply elements may be formed by plug contacts which correspond with correspondingly designed contacts of the at least one cooking chamber unit.
  • a use of flexible electrical lines is conceivable.
  • other suitable means for powering the at least one cooking chamber unit such as an inductive transmission of energy according to the type of inductive cooktops, are also possible.
  • control unit is set up to carry out a heating operation with the at least one heating element of the at least one cooking compartment divider in dependence on the signal of the at least one sensor unit.
  • the at least one sensor unit is also set up to detect a number of heating elements and / or their functionality, whereby interference can advantageously be detected reliably.
  • electrical switching elements of the cooking appliance for supplying power to the at least one cooking chamber divider can advantageously be activated or deactivated depending on a signal of the at least one sensor unit become.
  • the cooking appliance has a height adjustment device with which the at least one cooking space divider in the cooking space is height-adjustable.
  • the height adjustment device can comprise, for example, fixing and / or guide elements fixed at different heights for changing a height of a cooking space divider.
  • the height adjustment device for height adjustment of the at least one cooking chamber divider can have at least one element which can be moved substantially in the vertical direction.
  • Fig. 1 shows a cooking appliance formed by an oven 10 with a cooking chamber 12, wherein the cooking chamber 12 with a door 14 is closed.
  • the oven 10 has a control unit 16, an operating unit 18 with controls 20 and a display unit 22 and is equipped with a cooking space divider 36, which is in an operational state is arranged in the cooking chamber 12.
  • the oven 10 further comprises a known per se, in a cooking chamber cover 26 integrated heating element for providing a top heat and a per se known, integrated in a cooking chamber 28, independently controllable heating element to provide a bottom heat.
  • the oven 10 With two arranged at different heights in pairs on both sides of the cooking chamber 12, known per se guide elements 34, the oven 10 has a height adjustment 32, with the cooking space divider 36 in the cooking chamber 12 is adjustable in height, by changing a height position in the in a same height arranged guide elements 34 is inserted.
  • the cooking space divider 36 is formed as a flat, substantially rectangular plate 38 and equipped with two heating elements 40, 42, each aligned in a substantially horizontally disposed heating level and formed in a meander shape not described in detail. Between the heating levels is an unspecified thermal insulation layer 44 for thermal separation of the two heating elements 40, 42. Each of the two heating elements 40, 42 is disposed near one of the two horizontally aligned surfaces 46, 48 of the cooking compartment 36.
  • the two heating elements 40, 42 are equipped with supply line contacts 50 which are led to contact elements 52 in a plug element 54 on a rear side of the cooking space divider 36 ( Fig. 2 ).
  • the two heating elements 40, 42 of the cooking chamber divider 36 are intended to be controlled independently of each other, which can be realized particularly easily by a single contact ( Fig. 3 ). Also on the back of the cooking compartment divider 36 has a contact unit 56 with six metallic contact pads 58, which are contacted with resistance elements 60, 62, 64 in the interior of the cooking compartment 36.
  • the oven 10 has a power supply unit 66, which is provided to provide an electrical power supply of the cooking chamber divider 36 in two different height levels of the cooking chamber 12.
  • the power supply unit 66 comprises at a rear side of the cooking chamber 12 in the two height positions of the guide elements 34 a plurality of plug sockets 68, which correspond to the plug element 54 of the cooking space divider 36.
  • the oven 10 has a sensor unit 72 which comprises an integrally formed with the control unit 16 electronic unit 80 and in several different height levels of the cooking chamber 12 each formed as a sprung metal studs 74 contact elements in an operative position of the cooking space divider 36 to the at contact the back of the cooking compartment 36 arranged contact fields 58 of the contact unit 56. Further, the electrical contacts of the arranged in several height positions sockets 68 of the power supply unit 66 to the control unit 16 are electrically connected.
  • the sensor unit 72 is provided to detect electrical resistance values between the six contact fields 58 in signals as characteristics of the cooking space divider 36.
  • the resistance values of the resistive elements 60, 62, 64 of the cooking chamber divider 36 provide in coded form information regarding the presence of heating elements 40, 42, one type of heating elements 40, 42 and their electrical heating power.
  • the control unit 16 is provided for evaluating the signals of the sensor unit 72 and for this purpose compares the signals with reference values stored in memory elements of the control unit 16.
  • the control unit 16 is provided to change from one operating mode to another operating mode based on the signal from the sensor unit 72, and this change
  • control unit 16 is provided for carrying out a heating operation with at least one heating element 40, 42 of the cooking space divider 36 selected by an operator as a function of Signal of the sensor unit 72 perform by only in the height position of the detected by the sensor unit 72 contact unit 56 arranged socket 68 of the cooking appliance with power and the other, unused sockets 68 are disabled to increase reliability.
  • the sensor unit 72 is also provided to detect and indicate malfunctions in the operation of the cooking chamber divider 36 and errors. If, for example, the resistance value representing one type of cooking space divider corresponds to a cooking space divider with two heating elements, the sensor unit 72 does not detect any current flow during a current flow test on the electrical contacts of a socket 68 occupied by a cooking space divider, the control unit 16 is provided with a fault indication of the relevant heating element of the cooking space divider in the display unit 22 ( Fig. 4 ).
  • cooking compartment 80 electronics unit 28 oven floor 30 side surface 32 height adjustment 34 guide element 36 Garraumteiler 38 plate 40 heating element 42 heating element 44 thermal insulation layer 46 surface 48 surface 50 Zu effets. mich 52 contact element 54 male member 56
  • Contact unit 58 Contact field 60 resistive element 62 resistive element

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)

Description

Die Erfindung betrifft ein Gargerät, insbesondere einen Backofen, nach dem Oberbegriff des Anspruchs 1.The invention relates to a cooking appliance, in particular an oven, according to the preamble of claim 1.

Aus der Druckschrift DE 42 17 545 A1 ist ein elektrischer Backofen mit einem Garraumteiler mit zwei unabhängig ansteuerbaren Heizelementen bekannt, wobei der Garraumteiler mit einer Steckverbindung an eine Stromversorgung an einer Rückseite eines Garraums anschließbar ist.From the publication DE 42 17 545 A1 an electric oven with a cooking space divider with two independently controllable heating elements is known, wherein the cooking space divider can be connected with a plug connection to a power supply to a rear side of a cooking chamber.

Die Dokumente US 2003/0047553 A1 , EP 1 657 493 A1 , EP 2 026 014 A1 , EP 0 253 278 A2 , KR 2008 0095551 A und WO 01/78568 A1 offenbaren weitere Gargeräte mit jeweils einem Garraumteiler.The documents US 2003/0047553 A1 . EP 1 657 493 A1 . EP 2 026 014 A1 . EP 0 253 278 A2 . KR 2008 0095551 A and WO 01/78568 A1 reveal further cooking appliances, each with a cooking compartment divider.

Die Aufgabe der Erfindung besteht insbesondere darin, eine gattungsgemäße Vorrichtung mit verbesserten Eigenschaften hinsichtlich einer komfortablen Bedienung und eines zugleich sicheren Betriebs bereitzustellen.The object of the invention is in particular to provide a generic device with improved properties in terms of comfortable operation and safe operation.

Die Aufgabe wird gemäß der Erfindung durch die Merkmale des Anspruchs 1 gelöst, während vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung den Unteransprüchen entnommen werden können.The object is achieved according to the invention by the features of claim 1, while advantageous embodiments and further developments of the invention can be taken from the dependent claims.

Die Erfindung geht aus von einem Gargerät, insbesondere einem Backofen, mit einer Bedieneinheit, einer Anzeigeeinheit, mit einem Garraum, mit einem in einer Garraumdecke integrierten Heizelement zur Bereitstellung einer Oberhitze und einem in einem Garraumboden integrierten, unabhängig ansteuerbaren Heizelement zur Bereitstellung einer Unterhitze und mit zumindest einem im Garraum angeordneten Garraumteiler. Unter einem "Garraumteiler" soll in diesem Zusammenhang insbesondere ein Element verstanden werden, das dazu vorgesehen ist, den Garraum in zumindest zwei Teilräume, insbesondere in einer horizontalen Teilung, zu trennen und das insbesondere zu einer thermischen Trennung der zumindest zwei Teilräume eine thermische Isolierung und zu einer weitgehenden Verhinderung eines Stoffaustausches zwischen den beiden Teilräumen ein Dichtungselement aufweisen kann. In diesem Zusammenhang soll insbesondere zwischen aktiven Garraumteilern, die zumindest ein Heizelement umfassen, und passiven Garraumteilern, die kein Heizelement umfassen, unterschieden werden. Insbesondere kann der Garraum des Gargeräts mit einer Tür verschließbar sein.The invention is based on a cooking appliance, in particular an oven, with an operating unit, a display unit, with a cooking chamber, with a heating element integrated in a cooking chamber cover for providing a top heat and an independently controllable heating element integrated in a cooking chamber floor for providing a bottom heat and with at least one arranged in the cooking chamber cooking space divider. In this context, a "cooking space divider" should be understood as meaning, in particular, an element which is intended to separate the cooking space into at least two subspaces, in particular in a horizontal division, and which, in particular, provides thermal insulation of the at least two subspaces to a substantial prevention of mass transfer between the two subspaces may have a sealing element. In this context, a distinction should in particular be made between active cooking space dividers which comprise at least one heating element and passive cooking space dividers which do not comprise a heating element. In particular, the cooking chamber of the cooking appliance can be closed with a door.

Es wird vorgeschlagen, dass das Gargerät zumindest eine Sensoreinheit, die dazu eingerichtet ist, zumindest eine Kenngröße des Garraumteilers in einem Signal zu erfassen, und eine Steuereinheit umfasst, die dazu eingerichtet ist, ein Signal der zumindest einen Sensoreinheit auszuwerten. Unter einer "Steuereinheit" soll in diesem Zusammenhang insbesondere ein Gerät mit einer Recheneinheit, einer Speichereinheit, einem darin gespeicherten Betriebsprogramm und/oder einem darin gespeicherten Anwendungsprogramm verstanden werden. Unter einer "Kenngröße" soll in diesem Zusammenhang insbesondere eine Ausrichtung, eine Position, ein Identifikationsmerkmal, ein Typenmerkmal oder eine den Garraumteiler charakterisierende elektrische Meßgröße verstanden werden. Dadurch kann ein besonders sicherer und komfortabler Betrieb des Gargeräts und des zumindest einen Garraumteilers erreicht werden. Weiterhin kann eine irrtümliche Verwechslung von Garraumteilern erkannt und eine Inbetriebnahme eines irrtümlich verwechselten Garraumteilers vermieden werden. Insbesondere kann eine Erkennung von Störungen beim Betrieb des zumindest einen Garraumteilers ermöglicht werden. Vorzugsweise kann eine elektrische Meßgröße des zumindest einen Garraumteilers ein elektrischer Widerstand sein.It is proposed that the cooking device comprises at least one sensor unit which is set up to detect at least one parameter of the cooking chamber divider in a signal, and a control unit which is configured to evaluate a signal of the at least one sensor unit. In this context, a "control unit" is to be understood as meaning in particular a device having a computing unit, a memory unit, an operating program stored therein and / or an application program stored therein. In this context, a "parameter" is to be understood as meaning, in particular, an orientation, a position, an identification feature, a type feature or an electrical measured variable characterizing the cooking chamber divider. This allows a particularly safe and comfortable operation of the cooking appliance and the at least one cooking chamber divider can be achieved. Furthermore, an erroneous confusion of cooking space divider can be detected and a commissioning of a mistakenly mistaken cooking space divider can be avoided. In particular, detection of disturbances during operation of the at least one cooking compartment divider can be made possible. Preferably, an electrical measurement variable of the at least one cooking compartment divider can be an electrical resistance.

Zudem wird vorgeschlagen, dass die Steuereinheit dazu eingerichtet ist, zumindest aufgrund eines Signals der zumindest einen Sensoreinheit von einem Betriebsmodus in einen anderen Betriebsmodus zu wechseln. Dadurch kann eine einfache Bedienbarkeit und ein erhöhter Komfort bei einem Betrieb des zumindest einen Garraumteilers in dem Gargerät erreicht werden.In addition, it is proposed that the control unit is set up to change from one operating mode to another operating mode, at least on the basis of a signal of the at least one sensor unit. As a result, simple operability and increased comfort can be achieved during operation of the at least one cooking compartment divider in the cooking appliance.

Wenn die Steuereinheit dazu eingerichtet ist, zumindest bei einem Wechsel zumindest eines ersten Betriebsmodus in einen weiteren Betriebsmodus die Bedienungseinheit in zumindest einem Bedienungsmerkmal zu verändern, kann eine Lösung mit einer komfortablen Bedienung durch automatische Anpassung bei einem Einsetzen eines Garraumteilers in das Gargerät oder einem Austausch eines Garraumteilers gegen einen anderen Garraumteiler bereitgestellt werden.If the control unit is set up to change the operating unit in at least one operating feature at least when changing at least one first operating mode to another operating mode, a solution with a comfortable operation can be achieved by automatic adaptation when a cooking chamber divider is inserted into the cooking appliance or an exchange of a Garraumteilers be provided against another cooking compartment divider.

In einer vorteilhaften Ausgestaltung ist die Steuereinheit dazu eingerichtet, zumindest bei einem Wechsel zumindest eines ersten Betriebsmodus in einen weiteren Betriebsmodus eine Darstellung der Anzeigeeinheit in zumindest einem Anzeigemerkmal zu verändern. Dadurch kann einem Bediener vorteilhaft ein Wechsel des Betriebsmodus angezeigt und eine komfortable Kontrolle durch automatische Anpassung erzielt werden. Vorzugsweise können durch den Wechsel des Betriebsmodus eine Änderung eines Typs oder eine Änderung zumindest eines Spezifikationsmerkmals des zumindest einen Garraumteilers angezeigt werden.In an advantageous embodiment, the control unit is set up, at least when changing at least a first operating mode in a further operating mode to change a representation of the display unit in at least one display feature. As a result, an operator can advantageously see a change of the operating mode and comfortable control by automatic adjustment can be achieved. Preferably, by changing the operating mode, a change of one type or a change of at least one specification feature of the at least one cooking chamber divider can be displayed.

Erfindungsgemäß umfasst der zumindest eine Garraumteiler zumindest ein Heizelement, ein Garraumvolumen zur Garung von Gargut zu verringern. Durch eine geringere aufzuheizende Masse wird Energie gespart und es wird eine kurze Aufheizzeit erzielt.According to the invention, the at least one cooking chamber divider comprises at least one heating element to reduce a cooking chamber volume for cooking food. Energy is saved by a lower mass to be heated and a short heating time is achieved.

Ferner wird vorgeschlagen, dass das Gargerät eine Stromversorgungseinheit aufweist, die dazu vorgesehen ist, in zumindest zwei unterschiedlichen Höhenebenen des Garraums eine elektrische Stromversorgung des zumindest einen Garraumteilers bereitzustellen. Dadurch kann der Garraum des Gargeräts in flexibler Weise aufgeteilt und als Teilgarraum an eine Größe des Garguts angepasst werden, wodurch Zeit und Energie zur Garung eingespart werden kann. In einer entsprechenden Ausgestaltung kann ein Gargerät mit unterschiedlichen Betriebsarten und -zonen bereitgestellt werden. Vorzugsweise können die elektrischen Stromversorgungselemente von Steckkontakten gebildet sein, die mit entsprechend ausgeführten Kontakten der zumindest einen Garraumeinheit korrespondieren. Alternativ ist auch eine Verwendung von flexiblen elektrischen Leitungen denkbar. Grundsätzlich sind aber auch andere, dem Fachmann sinnvoll erscheinende Mittel zur Stromversorgung der zumindest einen Garraumeinheit wie etwa eine induktive Übertragung von Energie gemäß der Art induktiver Kochfelder möglich.It is further proposed that the cooking appliance has a power supply unit which is provided to provide an electrical power supply to the at least one cooking space divider in at least two different height levels of the cooking space. As a result, the cooking chamber of the cooking appliance can be divided in a flexible manner and adapted as Teilgarraum to a size of the food, whereby time and energy can be saved for cooking. In a corresponding embodiment, a cooking appliance with different operating modes and zones can be provided. Preferably, the electrical power supply elements may be formed by plug contacts which correspond with correspondingly designed contacts of the at least one cooking chamber unit. Alternatively, a use of flexible electrical lines is conceivable. In principle, however, other suitable means for powering the at least one cooking chamber unit, such as an inductive transmission of energy according to the type of inductive cooktops, are also possible.

Außerdem wird vorgeschlagen, dass die Steuereinheit dazu eingerichtet ist, einen Heizvorgang mit dem zumindest einen Heizelement des zumindest einen Garraumteilers in Abhängigkeit des Signals der zumindest einen Sensoreinheit durchzuführen. Dadurch kann ein sicherer Betrieb des zumindest einen Heizelements des zumindest einen Garraumteilers ermöglicht werden.It is also proposed that the control unit is set up to carry out a heating operation with the at least one heating element of the at least one cooking compartment divider in dependence on the signal of the at least one sensor unit. As a result, reliable operation of the at least one heating element of the at least one cooking compartment divider can be made possible.

Erfindungsgemäß ist die zumindest eine Sensoreinheit auch dazu eingerichtet, eine Anzahl von Heizelementen und/oder deren Funktionalität zu erfassen, wodurch vorteilhaft Störungen sicher erkannt werden können. In einer entsprechenden Ausgestaltung können vorteilhaft elektrische Schaltelemente des Gargeräts zur Stromversorgung des zumindest einen Garraumteilers abhängig von einem Signal der zumindest einen Sensoreinheit aktiviert oder deaktiviert werden.According to the invention, the at least one sensor unit is also set up to detect a number of heating elements and / or their functionality, whereby interference can advantageously be detected reliably. In a corresponding embodiment, electrical switching elements of the cooking appliance for supplying power to the at least one cooking chamber divider can advantageously be activated or deactivated depending on a signal of the at least one sensor unit become.

Des Weiteren wird vorgeschlagen, dass das Gargerät eine Höhenverstelleinrichtung aufweist, mit der der zumindest eine Garraumteiler im Garraum höhenverstellbar ist. Grundsätzlich kann die Höhenverstelleinrichtung beispielweise in unterschiedlichen Höhen fixierte Halterungs- und/oder Führungselemente zur Veränderung einer Höhe eines Garraumteilers umfassen. Vorzugsweise jedoch kann die Höhenverstelleinrichtung zur Höhenverstellung des zumindest einen Garraumteilers zumindest ein im Wesentlichen in vertikaler Richtung verfahrbares Element aufweisen. Durch Verwendung zumindest eines Garraumteilers in einem Gargerät mit einer Höhenverstelleinrichtung ist eine Energieeinsparung durch Anpassung des Garraumvolumens an ein Gargut und eine kürzere Aufheizzeit erreichbar. Wenn der Garraumteiler insbesondere als aktiver Garraumteiler ausgebildet ist, kann eine Optimierung eines Garergebnisses durch Anpassung des Abstandes zwischen dem Gargut und dem zumindest einen Heizelement erzielt werden.Furthermore, it is proposed that the cooking appliance has a height adjustment device with which the at least one cooking space divider in the cooking space is height-adjustable. In principle, the height adjustment device can comprise, for example, fixing and / or guide elements fixed at different heights for changing a height of a cooking space divider. Preferably, however, the height adjustment device for height adjustment of the at least one cooking chamber divider can have at least one element which can be moved substantially in the vertical direction. By using at least one cooking chamber divider in a cooking appliance with a height adjustment device, an energy saving can be achieved by adapting the cooking space volume to a food to be cooked and a shorter heating time. If the cooking space divider is designed in particular as an active cooking space divider, an optimization of a cooking result can be achieved by adjusting the distance between the food to be cooked and the at least one heating element.

Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbeschreibung. In den Zeichnungen sind Ausführungsbeispiele der Erfindung dargestellt.Further advantages emerge from the following description of the drawing. In the drawings, embodiments of the invention are shown.

Es zeigen:

Fig. 1
eine perspektivische Ansicht eines Backofens mit einem Garraumteiler,
Fig. 2
eine teilgeschnittene Draufsicht auf den Garraumteiler gemäß der Fig. 1,
Fig. 3
eine Rückansicht auf den Garraumteiler gemäß der Fig. 1 und
Fig. 4
eine Detailansicht auf eine Bedienungseinheit und eine Anzeigeeinheit des Backofens gemäß der Fig. 1.
Show it:
Fig. 1
a perspective view of a baking oven with a cooking space divider,
Fig. 2
a partially cutaway plan view of the cooking space divider according to the Fig. 1 .
Fig. 3
a rear view of the cooking space divider according to the Fig. 1 and
Fig. 4
a detailed view of an operating unit and a display unit of the oven according to the Fig. 1 ,

Fig. 1 zeigt ein von einem Backofen 10 gebildetes Gargerät mit einem Garraum 12, wobei der Garraum 12 mit einer Tür 14 verschließbar ist. Der Backofen 10 weist eine Steuereinheit 16, eine Bedienungseinheit 18 mit Bedienelementen 20 und eine Anzeigeeinheit 22 auf und ist mit einem Garraumteiler 36 ausgestattet, der in einem betriebsbereiten Zustand im Garraum 12 angeordnet ist. Der Backofen 10 umfasst weiterhin ein an sich bekanntes, in einer Garraumdecke 26 integriertes Heizelement zur Bereitstellung einer Oberhitze und ein an sich bekanntes, in einem Garraumboden 28 integriertes, unabhängig ansteuerbares Heizelement zur Bereitstellung einer Unterhitze. Mit zwei in unterschiedlichen Höhen jeweils paarweise zu beiden Seiten des Garraums 12 angeordneten, an sich bekannten Führungselementen 34 weist der Backofen 10 eine Höhenverstellvorrichtung 32 auf, mit der der Garraumteiler 36 im Garraum 12 höhenverstellbar ist, indem er zur Veränderung einer Höhenposition in die in einer gleichen Höhe angeordneten Führungselemente 34 eingeschoben wird. Fig. 1 shows a cooking appliance formed by an oven 10 with a cooking chamber 12, wherein the cooking chamber 12 with a door 14 is closed. The oven 10 has a control unit 16, an operating unit 18 with controls 20 and a display unit 22 and is equipped with a cooking space divider 36, which is in an operational state is arranged in the cooking chamber 12. The oven 10 further comprises a known per se, in a cooking chamber cover 26 integrated heating element for providing a top heat and a per se known, integrated in a cooking chamber 28, independently controllable heating element to provide a bottom heat. With two arranged at different heights in pairs on both sides of the cooking chamber 12, known per se guide elements 34, the oven 10 has a height adjustment 32, with the cooking space divider 36 in the cooking chamber 12 is adjustable in height, by changing a height position in the in a same height arranged guide elements 34 is inserted.

Der Garraumteiler 36 ist als flache, im Wesentlichen rechteckförmige Platte 38 ausgebildet und mit zwei Heizelementen 40, 42 ausgestattet, die jeweils in einer im Wesentlichen horizontal angeordneten Heizebene ausgerichtet und in einer nicht näher beschriebenen Mäanderform ausgebildet sind. Zwischen den Heizebenen befindet sich eine nicht näher beschriebene thermische Isolierschicht 44 zur thermischen Trennung der zwei Heizelemente 40, 42. Jedes der beiden Heizelelemente 40, 42 ist nahe einer der beiden horizontal ausgerichteten Oberflächen 46, 48 des Garraumteilers 36 angeordnet. Zur Stromversorgung sind die beiden Heizelemente 40, 42 mit Zuleitungskontaktierungen 50 ausgestattet, die zu Kontaktelementen 52 in einem Steckerelement 54 an einer Rückseite des Garraumteilers 36 geführt sind (Fig. 2). Die beiden Heizelemente 40, 42 des Garraumteilers 36 sind dazu vorgesehen, voneinander unabhängig angesteuert zu werden, was durch eine Einzelkontaktierung besonders einfach realisiert werden kann (Fig. 3). Ebenfalls an der Rückseite weist der Garraumteiler 36 eine Kontakteinheit 56 mit sechs metallischen Kontaktfeldern 58 auf, die mit Widerstandselementen 60, 62, 64 im Inneren des Garraumteilers 36 kontaktiert sind.The cooking space divider 36 is formed as a flat, substantially rectangular plate 38 and equipped with two heating elements 40, 42, each aligned in a substantially horizontally disposed heating level and formed in a meander shape not described in detail. Between the heating levels is an unspecified thermal insulation layer 44 for thermal separation of the two heating elements 40, 42. Each of the two heating elements 40, 42 is disposed near one of the two horizontally aligned surfaces 46, 48 of the cooking compartment 36. For power supply, the two heating elements 40, 42 are equipped with supply line contacts 50 which are led to contact elements 52 in a plug element 54 on a rear side of the cooking space divider 36 ( Fig. 2 ). The two heating elements 40, 42 of the cooking chamber divider 36 are intended to be controlled independently of each other, which can be realized particularly easily by a single contact ( Fig. 3 ). Also on the back of the cooking compartment divider 36 has a contact unit 56 with six metallic contact pads 58, which are contacted with resistance elements 60, 62, 64 in the interior of the cooking compartment 36.

Ferner weist der Backofen 10 eine Stromversorgungseinheit 66 auf, die dazu vorgesehen ist, in zwei unterschiedlichen Höhenebenen des Garraums 12 eine elektrische Stromversorgung des Garraumteilers 36 bereitzustellen. Die Stromversorgungseinheit 66 umfasst dazu an einer Rückseite des Garraums 12 in den beiden Höhenpositionen der Führungselemente 34 mehrere Steckerbuchsen 68, die mit dem Steckerelement 54 des Garraumteilers 36 korrespondieren. In einer betriebsbereiten Position des Garraumteilers 36 ist dieser mit dem Steckerelement 54, das an seiner Rückseite angeordnet ist, in einer der Steckerbuchsen 68 des Backofens eingesteckt und ein an den Seitenflächen des Garraumteilers 36 umlaufendes Dichtungselement 70 dichtet den Garraumteiler 36 gegen Seitenflächen 30 des Garraums 12, gegen eine Rückwand des Garraums 12 und gegen die geschlossene Tür 14 ab.Furthermore, the oven 10 has a power supply unit 66, which is provided to provide an electrical power supply of the cooking chamber divider 36 in two different height levels of the cooking chamber 12. For this purpose, the power supply unit 66 comprises at a rear side of the cooking chamber 12 in the two height positions of the guide elements 34 a plurality of plug sockets 68, which correspond to the plug element 54 of the cooking space divider 36. In an operative position of the cooking space divider 36, this is plugged with the plug element 54, which is arranged on its back, in one of the sockets 68 of the oven and a circumferential on the side surfaces of the cooking space divider 36 sealing member 70 seals the cooking space divider 36 against Side surfaces 30 of the cooking chamber 12, against a rear wall of the cooking chamber 12 and against the closed door 14 from.

Des Weiteren weist der Backofen 10 eine Sensoreinheit 72 auf, die eine einteilig mit der Steuereinheit 16 ausgebildete Elektronikeinheit 80 und in mehreren unterschiedlichen Höhenebenen des Garraums 12 jeweils sechs als gefederte Metallbolzen 74 ausgebildete Kontaktelemente umfasst, die in einer betriebsbereiten Position des Garraumteilers 36 an die an der Rückseite des Garraumteilers 36 angeordneten Kontaktfelder 58 der Kontakteinheit 56 kontaktieren. Ferner sind die elektrischen Kontakte der in mehreren Höhenpositionen angeordneten Steckerbuchsen 68 der Stromversorgungseinheit 66 mit der Steuereinheit 16 elektrisch verbunden. Die Sensoreinheit 72 ist dazu vorgesehen, als Kenngrößen des Garraumteilers 36 elektrische Widerstandswerte zwischen den sechs Kontaktfeldern 58 in Signalen zu erfassen. Die Widerstandswerte der Widerstandselemente 60, 62, 64 des Garraumteilers 36 stellen in einer codierten Form Informationen hinsichtlich eines Vorhandenseins von Heizelementen 40, 42, eines Typs von Heizelementen 40, 42 und deren elektrischer Heizleistung bereit. Die Steuereinheit 16 ist dazu vorgesehen, die Signale der Sensoreinheit 72 auszuwerten und vergleicht dazu die Signale mit in Speicherelementen der Steuereinheit 16 hinterlegten Referenzwerten. Bei einer Feststellung einer Übereinstimmung der Signale der Sensoreinheit 72 mit den hinterlegten Referenzwerten innerhalb von in der Steuereinheit 16 ebenfalls hinterlegten Toleranzbereichen ist die Steuereinheit 16 dazu vorgesehen, aufgrund des Signals der Sensoreinheit 72 von einem Betriebsmodus in einen anderen Betriebsmodus zu wechseln und diesen Wechsel, in diesem Ausführungsbeispiel von einem herkömmlichen Backofenbetrieb mit der durch das in der Garraumdecke 26 integrierte Heizelement bereitgestellten Oberhitze und der durch das im Garraumboden 28 integrierte Heizelement bereitgestellten Unterhitze zu einem möglichen Doppelbackofenbetrieb mit unabhängig steuerbarer Oberhitze und Unterhitze in beiden Teilgarräumen 76, 78 unterhalb und oberhalb des Garraumteilers 36, durch eine Veränderung einer Darstellung der Anzeigeeinheit 22 anzuzeigen, wobei die Veränderung der Darstellung der Anzeigeeinheit 22 auch durch die Steuereinheit 16 bei dem Wechsel von einem Betriebsmodus in einen anderen Betriebsmodus vorgenommenen Veränderungen von Bedienungsmerkmalen von Bedienelementen 20 umfasst, indem ein Temperatureinstellbereich eines als Drehknopf 24 ausgebildeten Bedienelements 20 an eine Heizleistung eines Heizelements 40, 42 angepasst wird. Des Weiteren ist die Steuereinheit 16 dazu vorgesehen, einen Heizvorgang mit zumindest einem von einem Bediener ausgewählten Heizelement 40, 42 des Garraumteilers 36 in Abhängigkeit des Signals der Sensoreinheit 72 durchzuführen, indem nur die in der Höhenposition der von der Sensoreinheit 72 erfassten Kontakteinheit 56 angeordnete Steckerbuchse 68 des Gargeräts mit Strom versorgt und die anderen, unbelegten Steckerbuchsen 68 zur Erhöhung einer Betriebssicherheit deaktiviert werden.Furthermore, the oven 10 has a sensor unit 72 which comprises an integrally formed with the control unit 16 electronic unit 80 and in several different height levels of the cooking chamber 12 each formed as a sprung metal studs 74 contact elements in an operative position of the cooking space divider 36 to the at contact the back of the cooking compartment 36 arranged contact fields 58 of the contact unit 56. Further, the electrical contacts of the arranged in several height positions sockets 68 of the power supply unit 66 to the control unit 16 are electrically connected. The sensor unit 72 is provided to detect electrical resistance values between the six contact fields 58 in signals as characteristics of the cooking space divider 36. The resistance values of the resistive elements 60, 62, 64 of the cooking chamber divider 36 provide in coded form information regarding the presence of heating elements 40, 42, one type of heating elements 40, 42 and their electrical heating power. The control unit 16 is provided for evaluating the signals of the sensor unit 72 and for this purpose compares the signals with reference values stored in memory elements of the control unit 16. If the signals of the sensor unit 72 coincide with the stored reference values within tolerance ranges also stored in the control unit 16, the control unit 16 is provided to change from one operating mode to another operating mode based on the signal from the sensor unit 72, and this change This exemplary embodiment of a conventional oven operation with the provided by the cooking element 26 integrated in the heating element upper heat and provided by the heating element integrated in the cooking chamber 28 bottom heat to a possible double oven operation with independently controllable top heat and bottom heat in Teilgarräumen 76, 78 below and above the cooking space divider 36, by changing a representation of the display unit 22, wherein the change in the representation of the display unit 22 also by the control unit 16 when changing from an operating mode changes in operating features of operating elements 20 made in another operating mode by adjusting a temperature setting range of a control element 20 embodied as a rotary knob 24 to a heating power of a heating element 40, 42. Furthermore, the control unit 16 is provided for carrying out a heating operation with at least one heating element 40, 42 of the cooking space divider 36 selected by an operator as a function of Signal of the sensor unit 72 perform by only in the height position of the detected by the sensor unit 72 contact unit 56 arranged socket 68 of the cooking appliance with power and the other, unused sockets 68 are disabled to increase reliability.

Die Sensoreinheit 72 ist außerdem dazu vorgesehen, Störungen beim Betrieb des Garraumteilers 36 und Irrtümer zu erfassen und anzuzeigen. Wenn beispielsweise der einen Typ eines Garraumteilers darstellende Widerstandswert einem Garraumteiler mit zwei Heizelementen entspricht, die Sensoreinheit 72 während einer Stromflussprüfung an den elektrischen Kontakten einer mit einem Garraumteiler belegten Steckerbuchse 68 jedoch keinen Stromfluss feststellt, ist die Steuereinheit 16 dazu vorgesehen, eine Störungsanzeige des betreffenden Heizelements des Garraumteilers in der Anzeigeeinheit 22 anzuzeigen (Fig. 4). Bezugszeichen 10 Backofen 64 Widerstandselement 12 Garraum 66 Stromversorgungseinheit 14 Tür 68 Steckerbuchse 16 Steuereinheit 70 Dichtungselement 18 Bedienungseinheit 72 Sensoreinheit 20 Bedienelement 74 Metallbolzen 22 Anzeigeeinheit 76 Teilgarraum 24 Drehknopf 78 Teilgarraum 26 Garraumdecke 80 Elektronikeinheit 28 Garraumboden 30 Seitenfläche 32 Höhenverstellvorrichtung 34 Führungselement 36 Garraumteiler 38 Platte 40 Heizelement 42 Heizelement 44 thermische Isolierschicht 46 Oberfläche 48 Oberfläche 50 Zuleitungskontaktierung 52 Kontaktelement 54 Steckerelement 56 Kontakteinheit 58 Kontaktfeld 60 Widerstandselement 62 Widerstandselement The sensor unit 72 is also provided to detect and indicate malfunctions in the operation of the cooking chamber divider 36 and errors. If, for example, the resistance value representing one type of cooking space divider corresponds to a cooking space divider with two heating elements, the sensor unit 72 does not detect any current flow during a current flow test on the electrical contacts of a socket 68 occupied by a cooking space divider, the control unit 16 is provided with a fault indication of the relevant heating element of the cooking space divider in the display unit 22 ( Fig. 4 ). reference numeral 10 oven 64 resistive element 12 oven 66 Power supply unit 14 door 68 socket 16 control unit 70 sealing element 18 operating unit 72 sensor unit 20 operating element 74 metal studs 22 display unit 76 Teilgarraum 24 knob 78 Teilgarraum 26 cooking compartment 80 electronics unit 28 oven floor 30 side surface 32 height adjustment 34 guide element 36 Garraumteiler 38 plate 40 heating element 42 heating element 44 thermal insulation layer 46 surface 48 surface 50 Zuleitungskontaktierung 52 contact element 54 male member 56 Contact unit 58 Contact field 60 resistive element 62 resistive element

Claims (7)

  1. Cooking device, in particular oven (10), with an operating unit (18), a display unit (22), with a cooking chamber (12), with a heating element integrated in a cooking chamber ceiling (26) for providing a top heat and an independently actuatable heating element integrated in a cooking chamber base (28) for providing a bottom heat and with at least one cooking chamber partition panel (26) arranged in the cooking chamber (12) and comprising at least one heating element (40, 42), and with
    at least one sensor unit (72), which is designed to capture at least one parameter of the cooking chamber partition panel (36) in a signal and with a control unit (16), which is designed to evaluate a signal of the at least one sensor unit (72),
    characterised in that
    the at least one sensor unit (72) is designed to capture a number of heating elements (40, 42) and their functionality.
  2. Cooking device according to claim 1,
    characterised in that
    the control unit (16) is designed to switch from one operating mode into another operating mode at least on account of a signal of the at least one sensor unit (72).
  3. Cooking device according to claim 2,
    characterised in that
    the control unit (16) is designed to change the operating unit (18) into at least one operating feature at least with a switch in at least one first operating mode into a further operating mode.
  4. Cooking device at least according to claim 2,
    characterised in that
    the control unit (16) is designed to change a view of the display unit (22) into at least one display feature at least with a switch in at least one first operating mode into a further operating mode.
  5. Cooking device according to one of the preceding claims,
    characterised by
    a power supply unit (66), which is provided to provide an electrical power supply of the at least one cooking chamber partition panel (36) at at least two different height levels of the cooking chamber (12).
  6. Cooking device according to one of the preceding claims,
    characterised in that
    the control unit (16) is designed to carry out a heating process with the at least one heating element (40, 42) of the at least one cooking chamber partition panel (36) as a function of the signal of the at least one sensor unit (72).
  7. Cooking device according to one of the preceding claims,
    characterised by
    a height adjustment facility (32), with which the at least one cooking chamber partition panel (36) is height adjustable in the cooking chamber (12).
EP10175039.6A 2009-09-15 2010-09-02 Cooking device with a cooking chamber partition panel Active EP2299181B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10175039T PL2299181T3 (en) 2009-09-15 2010-09-02 Cooking device with a cooking chamber partition panel

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Application Number Priority Date Filing Date Title
DE102009029462A DE102009029462A1 (en) 2009-09-15 2009-09-15 Cooking appliance with a cooking compartment divider

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EP2299181A1 EP2299181A1 (en) 2011-03-23
EP2299181B1 true EP2299181B1 (en) 2019-11-06

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Also Published As

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ES2754040T3 (en) 2020-04-15
PL2299181T3 (en) 2020-05-18
DE102009029462A1 (en) 2011-03-24
EP2299181A1 (en) 2011-03-23

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