EP2741009B1 - Cooking device with a heating and signal receiving arrangement - Google Patents

Cooking device with a heating and signal receiving arrangement Download PDF

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Publication number
EP2741009B1
EP2741009B1 EP12008219.3A EP12008219A EP2741009B1 EP 2741009 B1 EP2741009 B1 EP 2741009B1 EP 12008219 A EP12008219 A EP 12008219A EP 2741009 B1 EP2741009 B1 EP 2741009B1
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EP
European Patent Office
Prior art keywords
heating
heating element
slot antenna
signal receiving
cooking device
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EP12008219.3A
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German (de)
French (fr)
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EP2741009A1 (en
Inventor
Fredy Betschart
Roman Frei
Werner Buff
Georg Horna
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V-Zug AG
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V-Zug AG
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Priority to EP12008219.3A priority Critical patent/EP2741009B1/en
Publication of EP2741009A1 publication Critical patent/EP2741009A1/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
    • 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
    • F24C7/085—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on baking ovens
    • 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
    • F24C7/06—Arrangement or mounting of electric heating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas

Definitions

  • the invention relates to a cooking appliance with a heating and signal receiving arrangement according to the preamble of claim 1.
  • an antenna arrangement for a household appliance with a cooking chamber in which a heating element is located.
  • the household appliance may be, for example, an oven.
  • the antenna arrangement is used for signal exchange between a transmitting device in the form of a temperature sensor, which is designed as a spit and inserted into a piece of meat located in the cooking chamber, and designed as a rod antenna receiving device, which is also arranged in the cooking chamber.
  • the heating element and the rod antenna are fastened by means of a common holding device in the form of a flange to the rear wall of the cooking chamber. There is no direct connection between heating element and rod antenna.
  • US 4,377,733 describes a cooking appliance in which the heating coil is used as an antenna to communicate with a Gargutsensor.
  • the cooking appliance has a cooking space in which a heating and signal receiving arrangement is arranged.
  • This comprises a heating element and a signal receiving arrangement, which is designed as a slot antenna.
  • the slot antenna is thermally connected directly to the heating element.
  • thermally direct means on the one hand that the slot antenna is directly, i. without intermediate components connected to the heating element, and on the other hand, that this direct connection is thermally conductive. That the slot antenna is connected to the heating element without insulation.
  • connection between slot antenna and heating element is preferably detachable to allow removal / replacement of the slot antenna independently of the heating element.
  • the heating element is preferably designed as a heating coil, in particular as DeckenMapplanetaryl.
  • the heating element has one or more struts, wherein the slot antenna is thermally directly (and thus without insulation) connected to one or more of the struts.
  • the one or more braces to which the slot antenna is attached are not configured to support the heating and signal receiving assembly on the cooking chamber walls.
  • the slot antenna can preferably be implemented inexpensively as a wire, for example made of stainless steel, which is bent in the form of a rectangle (with electrically connected wire ends). The inner surface of the rectangle then forms the slot.
  • the slot antenna could be realized by an elongate metal plate having one or more slots or by a metallic waveguide having one or more slots or by a similar metallic structure.
  • the cooking appliance according to the invention has a heating and signal receiving arrangement which is arranged in the cooking chamber of the cooking appliance.
  • a slot antenna offers the advantage that, despite its compact design, even high frequencies can be well received. Furthermore, the signal reception by the slot antenna is advantageously substantially independent of the position / location of a temperature sensor introduced into the cooking chamber, for example a cooking temperature sensor inserted in the food to be cooked. The user can thus place the cooking product sensor at essentially any point / position in the cooking chamber and, in particular, in the food to be cooked without this having an effect on the signal of the cooking temperature sensor received by the slot antenna or on the signal strength of the received signal.
  • the direct arrangement of the slot antenna on the heating element results in a particularly compact construction (seen in the vertical direction of the cooking chamber) for the heating and signal receiving arrangement according to the invention, so that the heating and signal receiving arrangement can advantageously be arranged in the region of the top heat of the cooking chamber Usually about 3.5 cm to the cooking space ceiling amounts.
  • the thermally direct connection of the slot antenna with the heating element has the advantage that the heating and signal receiving arrangement according to the invention, regardless of their attachment in or on the cooking chamber forms a very user-friendly, very robust component, which is perceived by the user as a single component ,
  • FIG. 1 shows an inventive cooking appliance 1, which may be, for example, an oven.
  • food 3 is placed on a Garguthalter 4.
  • Garguttemperaturterler 5 is inserted to measure the temperature of the food 3.
  • a heating and signal receiving element 7 is arranged, which serves for heating the cooking chamber 2 and for receiving signals, in particular measurement signals of the Garguttemperaturtlers 5.
  • the heating and signal receiving element 7 comprises a heating element 8, which is preferably designed as DeckenMapplanetaryl, and a signal receiving element in the form of a slot antenna. 9
  • FIG. 2 shows the inventive heating and signal receiving element 7 in plan view.
  • the signal receiving element formed as a slot antenna 9 is shown in FIG FIG. 3 shown.
  • the slot antenna 9 is preferably designed as a rectangular shaped wire with connected wire ends.
  • the opening 10 of the rectangular shaped wire forms the slot of the slot antenna 9.
  • the attachment points 11 are preferably provided on the longitudinal sides of the rectangular-shaped slot antenna 9, and preferably in outer areas (seen in the longitudinal direction of the slot antenna 9).
  • connection between slot antenna 9 and heating element 8 takes place without insulation, so that a very robust, durable connection of slot antenna 9 and heating element 8 can be produced via the - preferably four - attachment points 11.
  • the connection to the attachment points 11 can be realized in a detachable manner, for example by means of metallically conductive screw terminals 12. Alternatively, the connection can be made at the attachment points 11, for example, by a soldered or welded connection.
  • the slot antenna 9 may have a length of about 34 cm at its longitudinal sides and a length of about 4 cm at its transverse sides. From the transverse side, which is opposite to that transverse side of the slot antenna 9, which is closer to the cooking chamber wall when installed, each longitudinal side of the slot antenna 9, an attachment point about 8 cm and an attachment point about 26 cm away.
  • an electrical lead in the form of an antenna feed line 13 is connected, and preferably to the longitudinal sides of the slot antenna 9 and close to the cooking chamber wall, to which the heating element 8 is attached.
  • the antenna feed line 13 is preferably a high-temperature cable, in particular a high-temperature cable which can be used up to and including a temperature of 1000 ° C., for example the commercially available high-temperature cable 1CCAc40Si.
  • the antenna feed line 13 is surrounded by an unspecified insulation.
  • a holder 14 is provided, on which the heating element 8 is attached ( FIG. 2 ). That as Slot antenna executed signal receiving element is not directly connected to the bracket 14.
  • the holder 14 is preferably designed as a carrier element, in particular as a carrier sheet.
  • the holder 14 has an opening 15 for (through) guiding the antenna feed line 13.
  • This opening 15 is used only for (through) guiding the antenna feed line 13 to an externally of the cooking chamber 2 provided evaluation for the evaluation of the signal received by the slot antenna 9 of the Garguttemperaturtlers 5.
  • the antenna feed line 13 is preferably not attached to the opening 15.
  • the preferably designed as a heating coil heating element 8 has braces, in particular transverse and / or longitudinal struts 16, 17.
  • the slot antenna 9 can be thermally connected directly to the struts 16, 17.
  • the slot antenna 9 is thermally directly attached to two parallel arranged on each of its longitudinal sides at the same height fastening points 11 on two parallel cross braces 17.
  • the cross braces 17, to which the slot antenna 9 is fixed preferably do not form wall brackets for holding the heating element 8 on one or more cooking space walls.
  • it can also be provided one or more cross braces, where the slot antenna 9 is not directly attached and which are designed as a wall bracket.
  • one or more of the cross braces 17, to which the slot antenna 9 is directly attached are designed as wall brackets.

Description

Die Erfindung betrifft ein Gargerät mit einer Heiz- und Signalempfangsanordnung gemäss Oberbegriff von Anspruch 1.The invention relates to a cooking appliance with a heating and signal receiving arrangement according to the preamble of claim 1.

Aus der europäischen Patentanmeldung EP 1 767 914 A2 ist eine Antennenanordnung für ein Haushaltsgerät mit einem Garraum bekannt, in welchem sich ein Heizelement befindet. Bei dem Haushaltsgerät kann es sich beispielsweise um einen Backofen handeln. Die Antennenanordnung dient dem Signalaustausch zwischen einer Sendeeinrichtung in Form eines Temperaturfühlers, der als Spiess ausgeführt und in ein in dem Garraum befindliches Fleischstück eingesteckt ist, und einer als Stabantenne ausgebildeten Empfangseinrichtung, die ebenfalls in dem Garraum angeordnet ist. Das Heizelement und die Stabantenne sind mittels einer gemeinsamen Haltevorrichtung in Form eines Flansches an der Rückwand des Garraums befestigt. Eine direkte Verbindung zwischen Heizelement und Stabantenne besteht nicht.From the European patent application EP 1 767 914 A2 an antenna arrangement for a household appliance with a cooking chamber is known in which a heating element is located. The household appliance may be, for example, an oven. The antenna arrangement is used for signal exchange between a transmitting device in the form of a temperature sensor, which is designed as a spit and inserted into a piece of meat located in the cooking chamber, and designed as a rod antenna receiving device, which is also arranged in the cooking chamber. The heating element and the rod antenna are fastened by means of a common holding device in the form of a flange to the rear wall of the cooking chamber. There is no direct connection between heating element and rod antenna.

US 4 377 733 beschreibt ein Gargerät, bei welchem der Heizwendel als Antenne eingesetzt wird, um mit einem Gargutsensor zu kommunizieren. US 4,377,733 describes a cooking appliance in which the heating coil is used as an antenna to communicate with a Gargutsensor.

Es ist Aufgabe der Erfindung, ein Gargerät zu schaffen, welches neben ausreichender Hitzebereitstellung besonders gut für die Erfassung eines Signals eines Temperaturfühlers, insbesondere eines in ein Gargut eingesteckten Garguttemperaturfühlers, geeignet ist und zwar weitestgehend unabhängig von der Position des Temperaturfühlers.It is an object of the invention to provide a cooking appliance, which in addition to sufficient heat supply particularly well suited for the detection of a signal of a temperature sensor, in particular a food product inserted in a Garguttemperaturfühlers, is largely independent of the position of the temperature sensor.

Die Aufgabe wird durch ein Gargerät mit den Merkmalen von Anspruch 1 gelöst.The object is achieved by a cooking appliance having the features of claim 1.

Das Gargerät besitzt einen Garraum, in welchem eine Heiz- und Signalempfangsanordnung angeordnet ist. Diese umfasst ein Heizelement und eine Signalempfangsanordnung, die als Schlitzantenne ausgebildet ist. Die Schlitzantenne ist thermisch direkt mit dem Heizelement verbunden. Der Ausdruck "thermisch direkt" bedeutet dabei einerseits, dass die Schlitzantenne direkt, d.h. ohne Zwischenkomponenten mit dem Heizelement verbunden ist, und andererseits, dass diese direkte Verbindung thermisch leitend ist. D.h. die Schlitzantenne ist ohne Isolierung mit dem Heizelement verbunden.The cooking appliance has a cooking space in which a heating and signal receiving arrangement is arranged. This comprises a heating element and a signal receiving arrangement, which is designed as a slot antenna. The slot antenna is thermally connected directly to the heating element. The term "thermally direct" means on the one hand that the slot antenna is directly, i. without intermediate components connected to the heating element, and on the other hand, that this direct connection is thermally conductive. That the slot antenna is connected to the heating element without insulation.

Die Verbindung zwischen Schlitzantenne und Heizelement ist vorzugsweise lösbar, um einen Ausbau/Austausch der Schlitzantenne unabhängig von dem Heizelement zu ermöglichen.The connection between slot antenna and heating element is preferably detachable to allow removal / replacement of the slot antenna independently of the heating element.

Das Heizelement ist vorzugsweise als Heizwendel, insbesondere als Deckenheizwendel, ausgeführt. Bevorzugt weist das Heizelement eine oder mehrere Verstrebungen auf, wobei die Schlitzantenne mit einer oder mehrerer der Verstrebungen thermisch direkt (und somit ohne Isolierung) verbunden ist. Vorzugsweise sind die einen oder mehreren Verstrebungen, an denen die Schlitzantenne angebracht ist, nicht zur Halterung der Heiz- und Signalempfangsanordnung an den Garraumwänden ausgestaltet.The heating element is preferably designed as a heating coil, in particular as Deckenheizwendel. Preferably, the heating element has one or more struts, wherein the slot antenna is thermally directly (and thus without insulation) connected to one or more of the struts. Preferably, the one or more braces to which the slot antenna is attached are not configured to support the heating and signal receiving assembly on the cooking chamber walls.

Die Schlitzantenne lässt sich vorzugsweise kostengünstig als ein Draht, beispielsweise aus Edelstahl, realisieren, der in Form eines Rechtecks gebogen ist (mit elektrisch leitend verbundenen Drahtenden). Die Innenfläche des Rechtecks bildet dann den Schlitz. Selbstverständlich sind andere Formen denkbar. So könnte die Schlitzantenne zum Beispiel auch durch eine längliche Metallplatte mit einem oder mehreren Schlitzen oder durch einen metallischen Hohlleiter mit einem oder mehreren Schlitzen oder durch eine ähnliche metallische Struktur realisiert werden.The slot antenna can preferably be implemented inexpensively as a wire, for example made of stainless steel, which is bent in the form of a rectangle (with electrically connected wire ends). The inner surface of the rectangle then forms the slot. Of course, other shapes are conceivable. For example, the slot antenna could be realized by an elongate metal plate having one or more slots or by a metallic waveguide having one or more slots or by a similar metallic structure.

Das erfindungsgemässe Gargerät weist eine Heiz- und Signalempfangsanordnung auf, die in dem Garraum des Gargeräts angeordnet ist.The cooking appliance according to the invention has a heating and signal receiving arrangement which is arranged in the cooking chamber of the cooking appliance.

Der Einsatz einer Schlitzantenne bietet den Vorteil, dass trotz kompaktem Aufbau auch hohe Frequenzen gut empfangen werden können. Ferner ist der Signalempfang durch die Schlitzantenne vorteilhafterweise im Wesentlichen unabhängig von der Position/dem Ort eines in den Garraum eingebrachten Temperaturfühlers, beispielsweise eines in das Gargut eingesteckten Garguttemperaturfühlers. Der Benutzer kann den Gargutfühler also an im Wesentlichen beliebiger Stelle/Position im Garraum und insbesondere im Gargut platzieren, ohne dass dies Einfluss auf das von der Schlitzantenne empfangene Signal des Garguttemperaturfühlers bzw. auf die Signalstärke des empfangenen Signals hätte.The use of a slot antenna offers the advantage that, despite its compact design, even high frequencies can be well received. Furthermore, the signal reception by the slot antenna is advantageously substantially independent of the position / location of a temperature sensor introduced into the cooking chamber, for example a cooking temperature sensor inserted in the food to be cooked. The user can thus place the cooking product sensor at essentially any point / position in the cooking chamber and, in particular, in the food to be cooked without this having an effect on the signal of the cooking temperature sensor received by the slot antenna or on the signal strength of the received signal.

Durch die direkte Anordnung der Schlitzantenne am Heizelement ergibt sich für die erfindungsgemässe Heiz- und Signalempfangsanordnung ein besonders kompakter Aufbau (in vertikaler Richtung des Garraums gesehen), sodass die Heiz- und Signalempfangsanordnung sich vorteilhafterweise im Bereich der Oberhitze des Garraums anordnen lässt, der in der Regel etwa 3.5 cm bis zur Garraumdecke beträgt.The direct arrangement of the slot antenna on the heating element results in a particularly compact construction (seen in the vertical direction of the cooking chamber) for the heating and signal receiving arrangement according to the invention, so that the heating and signal receiving arrangement can advantageously be arranged in the region of the top heat of the cooking chamber Usually about 3.5 cm to the cooking space ceiling amounts.

Die thermisch direkte Verbindung der Schlitzantenne mit dem Heizelement bietet den Vorteil, dass die erfindungsgemässe Heiz- und Signalempfangsanordnung unabhängig von deren Anbringung im bzw. am Garraum ein einfach vom Benutzer handhabbares, sehr robustes Bauteil bildet, welches vom Benutzer auch nur als ein Bauteil wahrgenommen wird.The thermally direct connection of the slot antenna with the heating element has the advantage that the heating and signal receiving arrangement according to the invention, regardless of their attachment in or on the cooking chamber forms a very user-friendly, very robust component, which is perceived by the user as a single component ,

Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den abhängigen Ansprüchen und dem anhand der Zeichnung nachfolgend dargestellten Ausführungsbeispiel. Es zeigen:

  • Fig. 1 eine schematische Darstellung eines Gargeräts mit einer erfindungsgemässen Heiz- und Signalempfangsanordnung,
  • Fig. 2 eine Draufsicht einer erfindungsgemässen Heiz- und Signalempfangsanordnung in schematischer Darstellung und
  • Fig. 3 eine Draufsicht auf ein Signalempfangselement einer erfindungsgemässen Heiz- und Signalempfangsanordnung in schematischer Darstellung.
Further advantageous embodiments of the invention will become apparent from the dependent claims and the embodiment illustrated below with reference to the drawing. Show it:
  • Fig. 1 a schematic representation of a cooking appliance with a heating and signal receiving arrangement according to the invention,
  • Fig. 2 a plan view of an inventive heating and signal receiving arrangement in a schematic representation and
  • Fig. 3 a plan view of a signal receiving element of a heating and signal receiving arrangement according to the invention in a schematic representation.

In den Figuren bezeichnen gleiche Bezugszeichen gleiche oder gleich wirkende Komponenten.In the figures, like reference numerals designate like or equivalent components.

Figur 1 zeigt ein erfindungsgemässes Gargerät 1, bei dem es sich beispielsweise um einen Backofen handeln kann. Innerhalb des Garraums 2 des Gargeräts 1 ist Gargut 3 auf einem Garguthalter 4 platziert. In das Gargut 3 ist ein Garguttemperaturfühler 5 eingesteckt, um die Temperatur des Garguts 3 zu messen. FIG. 1 shows an inventive cooking appliance 1, which may be, for example, an oven. Within the cooking chamber 2 of the cooking appliance 1 food 3 is placed on a Garguthalter 4. In the food 3 a Garguttemperaturfühler 5 is inserted to measure the temperature of the food 3.

Im Oberhitzebereich 6 des Gargeräts 1 ist ein Heiz- und Signalempfangselement 7 angeordnet, welches zum Heizen des Garraums 2 und zum Empfangen von Signalen, insbesondere von Messsignalen des Garguttemperaturfühlers 5, dient. Das Heiz- und Signalempfangselement 7 umfasst ein Heizelement 8, welches bevorzugt als Deckenheizwendel ausgebildet ist, und ein Signalempfangselement in Form einer Schlitzantenne 9.In the upper heat region 6 of the cooking appliance 1, a heating and signal receiving element 7 is arranged, which serves for heating the cooking chamber 2 and for receiving signals, in particular measurement signals of the Garguttemperaturfühlers 5. The heating and signal receiving element 7 comprises a heating element 8, which is preferably designed as Deckenheizwendel, and a signal receiving element in the form of a slot antenna. 9

Figur 2 zeigt das erfindungsgemässe Heiz- und Signalempfangselement 7 in Draufsicht. Das als Schlitzantenne 9 ausgebildete Signalempfangselement ist in Figur 3 dargestellt. Die Schlitzantenne 9 ist vorzugsweise als rechteckig geformter Draht mit verbundenen Drahtenden ausgeführt. Die Öffnung 10 des rechteckig geformten Drahts bildet den Schlitz der Schlitzantenne 9. Es sind vorzugsweise vier Befestigungspunkte 11 vorgesehen, an denen das Heizelement 8 thermisch direkt mit der Schlitzantenne 9 verbunden ist (und vice versa). Selbstverständlich können auch mehr oder weniger Befestigungspunkte vorgesehen sein. Die Befestigungspunkte 11 sind vorzugsweise an den Längsseiten der rechteckig geformten Schlitzantenne 9 vorgesehen und zwar bevorzugt in äusseren Bereichen (in Längsrichtung der Schlitzantenne 9 gesehen). FIG. 2 shows the inventive heating and signal receiving element 7 in plan view. The signal receiving element formed as a slot antenna 9 is shown in FIG FIG. 3 shown. The slot antenna 9 is preferably designed as a rectangular shaped wire with connected wire ends. The opening 10 of the rectangular shaped wire forms the slot of the slot antenna 9. There are preferably provided four attachment points 11 at which the heating element 8 is thermally connected directly to the slot antenna 9 (and vice versa). Of course, more or less attachment points can be provided. The attachment points 11 are preferably provided on the longitudinal sides of the rectangular-shaped slot antenna 9, and preferably in outer areas (seen in the longitudinal direction of the slot antenna 9).

Die Verbindung von Schlitzantenne 9 und Heizelement 8 erfolgt ohne Isolierung, sodass sich über die - vorzugsweise vier - Befestigungspunkte 11 eine sehr robuste, haltbare Verbindung von Schlitzantenne 9 und Heizelement 8 herstellen lässt. Die Verbindung an den Befestigungspunkten 11 kann lösbar zum Beispiel mittels metallisch leitender Schraubklemmen 12 realisiert sein. Alternativ kann die Verbindung an den Befestigungspunkten 11 beispielsweise durch eine Löt- oder Schweissverbindung gegeben sein.The connection between slot antenna 9 and heating element 8 takes place without insulation, so that a very robust, durable connection of slot antenna 9 and heating element 8 can be produced via the - preferably four - attachment points 11. The connection to the attachment points 11 can be realized in a detachable manner, for example by means of metallically conductive screw terminals 12. Alternatively, the connection can be made at the attachment points 11, for example, by a soldered or welded connection.

Beispielsweise kann die Schlitzantenne 9 an ihren Längsseiten eine Länge von etwa 34 cm und an ihren Querseiten eine Länge von etwa 4 cm aufweisen. Von der Querseite, die gegenüber derjenigen Querseite der Schlitzantenne 9 liegt, die sich im eingebauten Zustand näher an der Garraumwand befindet, sind je Längsseite der Schlitzantenne 9 ein Befestigungspunkt etwa 8 cm und ein Befestigungspunkt etwa 26 cm entfernt.For example, the slot antenna 9 may have a length of about 34 cm at its longitudinal sides and a length of about 4 cm at its transverse sides. From the transverse side, which is opposite to that transverse side of the slot antenna 9, which is closer to the cooking chamber wall when installed, each longitudinal side of the slot antenna 9, an attachment point about 8 cm and an attachment point about 26 cm away.

An die Schlitzantenne 9 ist eine elektrische Zuleitung in Form einer Antennenzuleitung 13 angeschlossen und zwar vorzugsweise an die Längsseiten der Schlitzantenne 9 und nahe zu der Garraumwand, an welche das Heizelement 8 befestigt ist. Bei der Antennenzuleitung 13 handelt es sich vorzugsweise um ein Hochtemperaturkabel, insbesondere um ein Hochtemperaturkabel, welches bis zu und einschliesslich einer Temperatur von 1000°C verwendbar ist wie zum Beispiel das handelsübliche Hochtemperaturkabel 1CCAc40Si. Die Antennenzuleitung 13 ist von einer nicht näher bezeichneten Isolierung umgeben.To the slot antenna 9, an electrical lead in the form of an antenna feed line 13 is connected, and preferably to the longitudinal sides of the slot antenna 9 and close to the cooking chamber wall, to which the heating element 8 is attached. The antenna feed line 13 is preferably a high-temperature cable, in particular a high-temperature cable which can be used up to and including a temperature of 1000 ° C., for example the commercially available high-temperature cable 1CCAc40Si. The antenna feed line 13 is surrounded by an unspecified insulation.

Zur Anbringung des Heizelements 8 an eine Garraumwand ist eine Halterung 14 vorgesehen, an welcher das Heizelement 8 befestigt ist (Figur 2). Das als Schlitzantenne ausgeführte Signalempfangselement ist nicht direkt mit der Halterung 14 verbunden. Die Halterung 14 ist vorzugsweise als Trägerelement, insbesondere als Trägerblech, ausgeführt sein.For attachment of the heating element 8 to a cooking chamber wall, a holder 14 is provided, on which the heating element 8 is attached ( FIG. 2 ). That as Slot antenna executed signal receiving element is not directly connected to the bracket 14. The holder 14 is preferably designed as a carrier element, in particular as a carrier sheet.

Die Halterung 14 weist eine Öffnung 15 zur (Durch-)Führung der Antennenzuleitung 13 auf. Diese Öffnung 15 dient nur der (Durch-)Führung der Antennenzuleitung 13 zu einer extern des Garraums 2 vorgesehenen Auswerteeinheit zur Auswertung des von der Schlitzantenne 9 empfangenen Signals des Garguttemperaturfühlers 5. Die Antennenzuleitung 13 ist jedoch bevorzugterweise nicht an der Öffnung 15 befestigt.The holder 14 has an opening 15 for (through) guiding the antenna feed line 13. This opening 15 is used only for (through) guiding the antenna feed line 13 to an externally of the cooking chamber 2 provided evaluation for the evaluation of the signal received by the slot antenna 9 of the Garguttemperaturfühlers 5. However, the antenna feed line 13 is preferably not attached to the opening 15.

Das vorzugsweise als Heizwendel ausgeführte Heizelement 8 weist Verstrebungen, insbesondere Quer- und/oder Längsverstrebungen 16, 17 auf. Über die Befestigungspunkte 11 kann die Schlitzantenne 9 thermisch direkt mit den Verstrebungen 16, 17 verbunden werden. Bevorzugt ist die Schlitzantenne 9 mit jeweils zwei an ihren Längsseiten auf gleicher Höhe angeordneten Befestigungspunkten 11 an zwei parallel verlaufenden Querverstrebungen 17 thermisch direkt befestigt. Die Querverstrebungen 17, an welchen die Schlitzantenne 9 befestigt ist, bilden vorzugsweise keine Wandhalter zum Halten des Heizelements 8 an einer oder mehreren Garraumwänden. Es können jedoch auch eine oder mehrere Querverstrebungen vorgesehen sein, an denen die Schlitzantenne 9 nicht direkt befestigt ist und welche als Wandhalter ausgebildet sind. Grundsätzlich ist es natürlich möglich, dass auch eine oder mehrere der Querverstrebungen 17, an welchen die Schlitzantenne 9 direkt befestigt ist, als Wandhalter ausgebildet sind.The preferably designed as a heating coil heating element 8 has braces, in particular transverse and / or longitudinal struts 16, 17. About the attachment points 11, the slot antenna 9 can be thermally connected directly to the struts 16, 17. Preferably, the slot antenna 9 is thermally directly attached to two parallel arranged on each of its longitudinal sides at the same height fastening points 11 on two parallel cross braces 17. The cross braces 17, to which the slot antenna 9 is fixed, preferably do not form wall brackets for holding the heating element 8 on one or more cooking space walls. However, it can also be provided one or more cross braces, where the slot antenna 9 is not directly attached and which are designed as a wall bracket. In principle, it is of course possible that one or more of the cross braces 17, to which the slot antenna 9 is directly attached, are designed as wall brackets.

Claims (5)

  1. Cooking device with a cooking space (2), inside which a heating and signal reception arrangement (7) is arranged, which comprises a heating element (8) and a signal reception element (9), characterized in that the signal reception element (9) is formed as slot antenna (9) which is connected to the heating element (8) via a direct, thermally conducting connection without intermediary components and without isolation.
  2. Cooking device according to claim 1, characterized in that a support (14) for attaching the heating element (8) to a cooking space wall is provided, to which the heating element (8) is attached, wherein the support (14) has an opening (15) for guiding an electrical line (13) of the signal reception element (9) through it.
  3. Cooking device according to claim 2, characterized in that the signal reception element (9) is not connected directly to the support (14).
  4. Cooking device according to one of the preceding claims, characterized in that the heating element (8) and the signal reception element (9) are connected to one another in a detachable way.
  5. Cooking device according to one of the preceding claims, characterized in that the heating element (8) has one or more struts (16, 17), particularly cross struts (17), wherein the signal reception element (9) is directly thermally connected to at least one strut (17).
EP12008219.3A 2012-12-10 2012-12-10 Cooking device with a heating and signal receiving arrangement Active EP2741009B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12008219.3A EP2741009B1 (en) 2012-12-10 2012-12-10 Cooking device with a heating and signal receiving arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12008219.3A EP2741009B1 (en) 2012-12-10 2012-12-10 Cooking device with a heating and signal receiving arrangement

Publications (2)

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EP2741009A1 EP2741009A1 (en) 2014-06-11
EP2741009B1 true EP2741009B1 (en) 2017-07-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12008219.3A Active EP2741009B1 (en) 2012-12-10 2012-12-10 Cooking device with a heating and signal receiving arrangement

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800003661A1 (en) * 2018-03-16 2019-09-16 Italcoppie Sensori S R L SYSTEM FOR THE DETECTION OF A TEMPERATURE VALUE INSIDE AT LEAST ONE FOOD IN A HEAT TREATMENT APPARATUS

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3320396A (en) * 1964-06-18 1967-05-16 Technology Instr Corp Electronic oven
US4377733A (en) * 1978-08-31 1983-03-22 Sharp Kabushiki Kaisha Temperature-sensing probe structure for wireless temperature-sensing system
GB2117925B (en) * 1982-02-19 1986-02-05 Hitachi Heating Appl Heating apparatus of thawing sensor controlled type
DE3442848A1 (en) * 1984-11-23 1986-06-05 Bosch Siemens Hausgeraete Baking oven
AU588137B2 (en) * 1986-10-15 1989-09-07 Matsushita Electric Industrial Co., Ltd. Microwave oven with heater
DE102005046012B3 (en) 2005-09-26 2006-10-05 Miele & Cie. Kg Antenna device for signal exchange in domestic appliance such as oven, has common holding device for receiver and heating element of heatable chamber
DE102007043370B3 (en) * 2007-09-12 2008-09-25 Miele & Cie. Kg Home appliance, particularly baking oven, has treatment room, electrical controller and rod antenna that has elongated base body and rod antenna is fixed on front end of wall of treatment room by fixed bearing or clamping

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
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