EP2267372A1 - Gas hob - Google Patents

Gas hob Download PDF

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Publication number
EP2267372A1
EP2267372A1 EP10166082A EP10166082A EP2267372A1 EP 2267372 A1 EP2267372 A1 EP 2267372A1 EP 10166082 A EP10166082 A EP 10166082A EP 10166082 A EP10166082 A EP 10166082A EP 2267372 A1 EP2267372 A1 EP 2267372A1
Authority
EP
European Patent Office
Prior art keywords
cover
protection element
heat protection
gas
hob
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.)
Granted
Application number
EP10166082A
Other languages
German (de)
French (fr)
Other versions
EP2267372B1 (en
Inventor
Luis Acosta Herrero
Ainhoa De Carlos Negro
Pedro Herrera Estrada
Alberto Lopez Ortiz
Luis Antonio Palacios Valdueza
Emilio Placer Maruri
Almudena Verdeja Galnares
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ES200930577A external-priority patent/ES2384716A1/en
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to EP10166082.7A priority Critical patent/EP2267372B1/en
Publication of EP2267372A1 publication Critical patent/EP2267372A1/en
Application granted granted Critical
Publication of EP2267372B1 publication Critical patent/EP2267372B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges
    • 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
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/101—Tops, e.g. hot plates; Rings provisions for circulation of air
    • 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
    • F24C15/34—Elements and arrangements for heat storage or insulation

Definitions

  • the invention relates to a gas hob according to the preamble of claim 1.
  • thermally sensitive functional elements such as an electronic control module or an ignition electronics module
  • thermally sensitive functional elements such as an electronic control module or an ignition electronics module
  • a generic gas hob with at least one gas burner and a cooktop cover known.
  • an ignition electronics module is arranged as an electrically operable functional element.
  • the ignition electronics module is covered by a hood-shaped heat protection element, so that it is protected from direct thermal radiation, which emanates from the hot seat cover due to the operation.
  • a glass or glass ceramic plate is known, which is used in household appliances such as hearth doors. In order for the glass-ceramic plate to obtain a metallic appearance in partial areas, it can be provided with a metal layer. From the DE 102 32 814 A1 is also a glass ceramic plate with Metal appearance known. On a lower side of the glass ceramic plate, therefore, a decorative film is arranged, which is in clamping connection with the glass ceramic plate.
  • the object of the invention is to provide a gas hob in which thermally sensitive functional elements can be protected in a simple manner from thermal damage during cooking operation.
  • a functional element associated with a heat protection element directly or indirectly with the remote from a visible side of the cover underside in attachment and / or attached thereto In this way, heat radiation from the cover into the interior of the cooktop housing directly on the underside of the cover can be prevented. The heat radiation is therefore directly reflected back to the cover bottom again, without this can get into the interior of the hob housing.
  • the heat protection element may preferably be a sheet metal part with correspondingly good reflection properties.
  • the heat protection element can be arranged on the underside of the cover such that it covers the underlying functional element with a distance. In this way, on the one hand, the thermally sensitive functional element can be protected from thermal radiation. On the other hand, the air gap forming between the heat protection element and the functional element can be flowed through as a result of heat convection, as a result of which an additional cooling effect for cooling the functional element can be utilized.
  • the heat protection element may have an edge contour which may at least partially follow an outer contour of the functional element. In this way, in the installed position of the gas hob, the functional element completely covered by the heat protection element and thus shielded from heat radiation. Preferably, the heat protection element can protrude laterally beyond the outer contour of the functional element.
  • the heat protection element can be designed such a large area that at least two functional elements covered and thus can be protected from heat radiation.
  • the heat protection element can extend annularly around a mounting opening in the hob cover, through which mounting opening of the gas burner is guided.
  • An inner diameter of the heat protection element can be sized approximately the same size as the diameter of the mounting opening or larger.
  • the heat protection element is attached exclusively to the underside of the hob cover, whereby no space in the field of hob base must be kept for the arrangement of the heat protection element.
  • the heat protection element it is easy to glue the heat protection element with the underside of the hob cover.
  • the heat protection element can be arranged so that it is positioned without gaps on the underside of the cover.
  • a second heat protection element may be provided, which is arranged on the upper side on the visible side of the cover.
  • the upper-side arranged heat protection element may extend annularly along the mounting opening and have a centering opening through which the gas burner is guided upwards.
  • the upper side arranged heat protection element can be made smaller in the lateral direction than the arranged on the underside of the cover heat protection element. The upper-side heat protection element thus protects in particular the edge region of the cover from high temperatures, while moreover the lower thermal protection element thermally protects the functional elements in the cooktop housing.
  • the inventively arranged on the underside of the cover heat protection element is particularly important for partially transparent covers of vitreous material, such as glass ceramic or toughened glass.
  • a large amount of heat radiation is present, which can radiate from the gas burner on the cover into the housing interior.
  • FIG. 1 is a detail of a gas hob with a gas burner 1 is shown.
  • the gas burner 1 is guided with its burner lower part 3 through a mounting opening 5 of a hob cover 7.
  • the cover 7 is in the present embodiment, a radiation-transparent glass ceramic plate.
  • the burner lower part 3 is supported on an indicated base 9 on a bottom trough 11 of the gas hob.
  • a gas mixing chamber is also formed. This is on the one hand fluidically connected to the burner head and on the other hand via a partial line 13 with a gas main line 15.
  • an electromagnetically actuated control valve 17 is connected, which can be controlled by means of an electronic control device, not shown here, to set a gas flow rate to the gas burner 1.
  • the hob cover 7 forms, together with the bottom pan 11, a cooktop housing 14 in the interior 12 of which the electromechanically confirmable control valve 17 and an ignition electronics module 19 are arranged as functional elements.
  • the ignition electronics module 19 is mounted on the bottom pan 11. This is in signal communication with an ignition electrode 21 which is fixed in a radially expanded flange portion 23 of the burner base 3.
  • the flange portion 23 of the burner base 3 engages under the opening edge of the mounting hole 5 and is also screwed with the indicated screw 25 with a, the mounting hole 5 covering heat shield 27.
  • the cover 7 with its opening edge region between the heat shield 27 and the flange 23rd of the burner base 3 braced.
  • the heat shield 27 extends annularly around the gas burner 1 and is supported with its peripheral edge on the top of the cover 7.
  • the flange portion 23 of the burner base 3 is according to the Fig.1 1 pressed with the interposition of a large plate-shaped sheet metal part 29 against a bottom 31 of the cover 7.
  • the sheet metal part 29 has a recess 33 whose diameter is slightly larger than the diameter of the mounting opening 5.
  • the diameter of the formed in the heat shield 27 centering 34 is dimensioned much smaller, so that the heat shield 27, the cover-side mounting opening 5 partially covered. With its peripheral edge, however, the heat shield 27 is arranged in the radial direction outside of the burner head
  • the sheet metal part 29 extends not only in the opening edge region of the cover-side mounting hole 5, but also covers the adjacent to the burner base 3 functional elements 17, 19.
  • the sheet metal part 29 is substantially gap-free by means of an adhesive layer 35 to the Glued bottom 31 of the cover 7.
  • control valve 17 and the ignition electronics module 19 are arranged vertically below the sheet metal part 29 over a free distance a.
  • the space between the sheet metal part 29 and the two functional elements 17, 19 can thus be used as later described air guide gap.
  • Fig. 2 is in a view from above the gas hob extract Fig. 1 shown. Likewise indicated in dashed line the ignition electronics module 19 and the control valve 17. As from the Fig. 2 In contrast, the sheet metal part 29 is dimensioned such a large area that its edge contour 32, the two functional elements 17, 19 vertically overlaps and at least partially the contour of the functional elements 17, 19 follows.
  • both the heat shield 27 and the sheet metal part 29 act as a heat protection element.
  • the upper-side heat shield 27 protects the edge region and the edge region of the cover-side mounting opening 5 from a direct heat radiation emitted by the gas burner 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

The hob has electrical operable functional elements (17, 19) that are arranged between a hob cover (7) and a hob-base (11). A heat protection element is fastened with a lower side (31) of the hob cover, where the lower side is turned away from a visible face of the hob cover. The heat protection element covers the functional elements in a free distance. The hob cover is made of transparent glass-like material e.g. glass ceramic or hard glass.

Description

Die Erfindung betrifft ein Gaskochfeld nach dem Oberbegriff des Patentanspruches 1.The invention relates to a gas hob according to the preamble of claim 1.

Bei Gaskochfeldern kommt es während des Kochfeld-Betriebes im Gehäuse des Gaskochfeldes zu einer großen Wärmeentwicklung, bei der thermisch empfindliche Funktionselemente, etwa ein elektronisches Steuermodul oder ein Zündelektronikmodul, beschädigt werden können. Derart temperaturempfindliche Funktionselemente sind daher in Bereichen des Kochfeldgehäuses anzuordnen, die nicht mit kritischen Betriebstemperaturen beaufschlagt werden. Der zur Anordnung solcher thermisch empfindlicher Funktionselemente verfügbare Bauraum ist somit auf solche Gehäusebereiche beschränkt.In the case of gas hobs, large amounts of heat develop during the hob operation in the housing of the gas hob, in which thermally sensitive functional elements, such as an electronic control module or an ignition electronics module, can be damaged. Such temperature-sensitive functional elements are therefore to be arranged in areas of the hob housing, which are not subjected to critical operating temperatures. The space available for the arrangement of such thermally sensitive functional elements is thus limited to such housing areas.

Aus der DE 103 02 115 A1 ist ein gattungsgemäßes Gaskochfeld mit zumindest einem Gasbrenner sowie einer Kochfeld-Abdeckung bekannt. Im Gehäuse-Innenraum zwischen der Kochfeld-Abdeckung und einem Kochfeld-Boden ist als ein elektrisch betätigbares Funktionselement ein Zündelektronikmodul angeordnet. Das Zündelektronikmodul wird von einem haubenförmigen Wärmeschutzelement abgedeckt, so dass es vor unmittelbarer Wärmestrahlung geschützt ist, die von der betriebsbedingt heißen Kochfeld-Abdeckung ausgeht.From the DE 103 02 115 A1 is a generic gas hob with at least one gas burner and a cooktop cover known. In the housing interior space between the cooktop cover and a hob base, an ignition electronics module is arranged as an electrically operable functional element. The ignition electronics module is covered by a hood-shaped heat protection element, so that it is protected from direct thermal radiation, which emanates from the hot seat cover due to the operation.

Das aus der DE 103 02 115 A1 bekannte haubenförmige Wärmeschutzelement ist über einen Luftspalt von der Kochfeld-Abdeckung beabstandet. Somit ist zwar das Zündelektronikmodul vor hohen Temperaturen geschützt. Dennoch kann Wärme von der Kochfeld-Abdeckung mittels Wärmestrahlung auf das haubenförmige Wärmeschutzelement übertragen werden, wodurch die Betriebstemperatur im Gehäuse-Innenraum hoch bleibt.That from the DE 103 02 115 A1 known hood-shaped heat protection element is spaced over an air gap of the hob cover. Thus, although the ignition electronics module is protected from high temperatures. Nevertheless, heat from the cooktop cover can be transmitted to the hood-shaped heat protection element by means of thermal radiation, whereby the operating temperature in the housing interior remains high.

Aus der DE 101 22 093 A ist eine Glas- oder Glaskeramikplatte bekannt, die im Haushaltsgerätebereich etwa bei Herdtüren einsetzbar ist. Damit die Glaskeramikplatte in Teilbereichen ein metallisches Aussehen erhält, kann diese mit einer Metallschicht versehen werden. Aus der DE 102 32 814 A1 ist ebenfalls eine Glaskeramikplatte mit Metallanmutung bekannt. An einer Unterseite der Glaskeramikplatte ist daher eine Dekorfolie angeordnet, die in Klemmverbindung mit der Glaskeramikplatte ist.From the DE 101 22 093 A a glass or glass ceramic plate is known, which is used in household appliances such as hearth doors. In order for the glass-ceramic plate to obtain a metallic appearance in partial areas, it can be provided with a metal layer. From the DE 102 32 814 A1 is also a glass ceramic plate with Metal appearance known. On a lower side of the glass ceramic plate, therefore, a decorative film is arranged, which is in clamping connection with the glass ceramic plate.

Die Aufgabe der Erfindung besteht darin, ein Gaskochfeld bereitzustellen, bei dem thermisch empfindliche Funktionselemente in einfacher Weise vor thermischer Beschädigung während des Kochfeld-Betriebs geschützt werden können.The object of the invention is to provide a gas hob in which thermally sensitive functional elements can be protected in a simple manner from thermal damage during cooking operation.

Die Aufgabe ist durch die Merkmale des Patentanspruches 1 gelöst. Bevorzugte Weiterbildungen der Erfindung sind in den Unteransprüchen offenbart.The object is solved by the features of claim 1. Preferred embodiments of the invention are disclosed in the subclaims.

Gemäß dem kennzeichnenden Teil des Patentanspruches 1 ist das, einem Funktionselement zugeordnete Wärmeschutzelement unmittelbar oder mittelbar mit der von einer Sichtseite der Abdeckung abgewandten Unterseite in Anlage und/oder daran befestigt. Auf diese Weise kann eine Wärmeabstrahlung ausgehend von der Abdeckung in das Innere des Kochfeld-Gehäuses direkt an der Unterseite der Abdeckung verhindert werden. Die Wärmestrahlung wird daher unmittelbar an der Abdeckungs-Unterseite wieder zurückreflektiert, ohne dass diese in den Innenraum des Kochfeld-Gehäuses gelangen kann. Vor diesem Hintergrund kann das Wärmeschutzelement bevorzugt ein Blechteil mit entsprechend guten Reflexionseigenschaften sein.According to the characterizing part of patent claim 1, a functional element associated with a heat protection element directly or indirectly with the remote from a visible side of the cover underside in attachment and / or attached thereto. In this way, heat radiation from the cover into the interior of the cooktop housing directly on the underside of the cover can be prevented. The heat radiation is therefore directly reflected back to the cover bottom again, without this can get into the interior of the hob housing. Against this background, the heat protection element may preferably be a sheet metal part with correspondingly good reflection properties.

Das Wärmeschutzelement kann dabei derart an der Unterseite der Abdeckung angeordnet sein, dass es mit einem Abstand das darunterliegende Funktionselement überdeckt. Auf diese Weise kann einerseits das thermisch empfindliche Funktionselement vor Wärmestrahlung geschützt werden. Andererseits kann der sich zwischen dem Wärmeschutzelement und dem Funktionselement bildende Luftspalt aufgrund von Wärmekonvektion luftdurchströmt werden, wodurch eine zusätzliche Kühlwirkung zur Abkühlung des Funktionselementes genutzt werden kann.The heat protection element can be arranged on the underside of the cover such that it covers the underlying functional element with a distance. In this way, on the one hand, the thermally sensitive functional element can be protected from thermal radiation. On the other hand, the air gap forming between the heat protection element and the functional element can be flowed through as a result of heat convection, as a result of which an additional cooling effect for cooling the functional element can be utilized.

Das Wärmeschutzelement kann dabei eine Randkontur aufweisen, die zumindest teilweise einer Außenkontur des Funktionselementes folgen kann. Auf diese Weise ist in der Einbaulage des Gaskochfeldes das Funktionselement vollständig vom Wärmeschutzelement überdeckt und somit vor Wärmestrahlung abgeschirmt. Bevorzugt kann das Wärmeschutzelement seitlich über die Außenkontur des Funktionselementes hinausragen. Das Wärmeschutzelement kann dabei derart großflächig gestaltet sein, dass zumindest zwei Funktionselemente überdeckt und somit vor Wärmestrahlung geschützt werden können.The heat protection element may have an edge contour which may at least partially follow an outer contour of the functional element. In this way, in the installed position of the gas hob, the functional element completely covered by the heat protection element and thus shielded from heat radiation. Preferably, the heat protection element can protrude laterally beyond the outer contour of the functional element. The heat protection element can be designed such a large area that at least two functional elements covered and thus can be protected from heat radiation.

Bevorzugt kann sich das Wärmeschutzelement ringförmig um eine Montageöffnung in der Kochfeld-Abdeckung erstrecken, durch welche Montageöffnung der Gasbrenner geführt ist. Ein Innendurchmesser des Wärmeschutzelements kann dabei in etwa gleich groß wie der Durchmesser der Montageöffnung oder größer bemessen sein.Preferably, the heat protection element can extend annularly around a mounting opening in the hob cover, through which mounting opening of the gas burner is guided. An inner diameter of the heat protection element can be sized approximately the same size as the diameter of the mounting opening or larger.

Montagetechnisch bevorzugt ist das Wärmeschutzelement ausschließlich an der Unterseite der Kochfeld-Abdeckung befestigt, wodurch kein Bauraum im Bereich des Kochfeld-Bodens zur Anordnung des Wärmeschutzelementes vorgehalten werden muss.Mounting technology preferred, the heat protection element is attached exclusively to the underside of the hob cover, whereby no space in the field of hob base must be kept for the arrangement of the heat protection element.

Fertigungstechnisch einfach ist es dabei, das Wärmeschutzelement mit der Unterseite der Kochfeld-Abdeckung zu verkleben. Bevorzugt kann das Wärmeschutzelement dabei so angeordnet sein, dass es spaltfrei an der Unterseite der Abdeckung positioniert ist.Manufacturing technology, it is easy to glue the heat protection element with the underside of the hob cover. Preferably, the heat protection element can be arranged so that it is positioned without gaps on the underside of the cover.

Zusätzlich zum Wärmeschutzelement an der Abdeckungsunterseite kann ein zweites Wärmeschutzelement vorgesehen sein, das oberseitig auf der Sichtseite der Abdeckung angeordnet ist. Das oberseitig angeordnete Wärmeschutzelement kann sich entlang der Montageöffnung ringförmig erstrecken und eine Zentrieröffnung aufweisen, durch die der Gasbrenner nach oben geführt ist. Dabei kann das oberseitig angeordnete Wärmeschutzelement in Seitenrichtung kleiner gestaltet sein als das an der Unterseite der Abdeckung angeordnete Wärmeschutzelement. Das oberseitige Wärmeschutzelement schützt somit insbesondere den Kantenbereich der Abdeckung vor hohen Temperaturen, während darüberhinaus das untere Wärmeschutzelement die Funktionselemente im Kochfeld-Gehäuse thermisch schützt.In addition to the heat protection element on the cover underside, a second heat protection element may be provided, which is arranged on the upper side on the visible side of the cover. The upper-side arranged heat protection element may extend annularly along the mounting opening and have a centering opening through which the gas burner is guided upwards. In this case, the upper side arranged heat protection element can be made smaller in the lateral direction than the arranged on the underside of the cover heat protection element. The upper-side heat protection element thus protects in particular the edge region of the cover from high temperatures, while moreover the lower thermal protection element thermally protects the functional elements in the cooktop housing.

Das erfindungsgemäß an der Unterseite der Abdeckung angeordnete Wärmeschutzelement ist insbesondere bei teilweise transparenten Abdeckungen aus glasartigem Material, etwa Glaskeramik oder Hartglas von Bedeutung. Bei derart zumindest teilweise transparenten Materialien ist nämlich neben der Wärmeableitung in das Gehäuse-Innere zusätzlich noch ein großer Anteil an Wärmestrahlung vorhanden, der vom Gasbrenner über die Abdeckung in das Gehäuse-Innere abstrahlen kann.The inventively arranged on the underside of the cover heat protection element is particularly important for partially transparent covers of vitreous material, such as glass ceramic or toughened glass. In such at least partially transparent materials namely in addition to the heat dissipation in the housing interior additionally a large amount of heat radiation is present, which can radiate from the gas burner on the cover into the housing interior.

Nachfolgend ist ein Ausführungsbeispiel der Erfindung anhand der beigefügten Figuren gezeigt.Hereinafter, an embodiment of the invention with reference to the accompanying figures is shown.

Es zeigen:

Fig. 1
in einer teilweisen Seitenschnittdarstellung ein Gaskochfeld; und
Fig. 2
in einer raumbildlichen Teilansicht das Gaskochfeld von oben.
Show it:
Fig. 1
in a partial side sectional view of a gas hob; and
Fig. 2
in a three-dimensional partial view of the gas hob from above.

In der Fig. 1 ist ausschnittsweise ein Gaskochfeld mit einem Gasbrenner 1 gezeigt. Der Gasbrenner 1 ist mit seinem Brenner-Unterteil 3 durch eine Montageöffnung 5 einer Kochfeld-Abdeckung 7 geführt. Die Abdeckung 7 ist im vorliegenden Ausführungsbeispiel eine strahlungsdurchlässige Glaskeramikplatte.In the Fig. 1 is a detail of a gas hob with a gas burner 1 is shown. The gas burner 1 is guided with its burner lower part 3 through a mounting opening 5 of a hob cover 7. The cover 7 is in the present embodiment, a radiation-transparent glass ceramic plate.

Das Brenner-Unterteil 3 ist über einen angedeuteten Sockel 9 auf einer Bodenwanne 11 des Gaskochfeldes abgestützt. Im Brenner-Unterteil 3 ist außerdem eine Gasmischkammer ausgebildet. Diese ist einerseits strömungstechnisch mit dem Brennerkopf und anderseits über eine Teilleitung 13 mit einer Gas-Hauptleitung 15 verbunden. In der Teilleitung 13 ist ein elektromagnetisch betätigbares Regelventil 17 geschaltet, das mittels einer hier nicht dargestellten elektronischen Steuereinrichtung ansteuerbar ist, um einen Gasmengenstrom zum Gasbrenner 1 einzustellen.The burner lower part 3 is supported on an indicated base 9 on a bottom trough 11 of the gas hob. In the burner lower part 3, a gas mixing chamber is also formed. This is on the one hand fluidically connected to the burner head and on the other hand via a partial line 13 with a gas main line 15. In the sub-line 13, an electromagnetically actuated control valve 17 is connected, which can be controlled by means of an electronic control device, not shown here, to set a gas flow rate to the gas burner 1.

Die Kochfeld-Abdeckung 7 bildet zusammen mit der Bodenwanne 11 ein Kochfeld-Gehäuse 14, in dessen Innenraum 12 das elektromechanisch bestätigbare Regelventil 17 und ein Zündelektronikmodul 19 als Funktionselemente angeordnet sind.The hob cover 7 forms, together with the bottom pan 11, a cooktop housing 14 in the interior 12 of which the electromechanically confirmable control valve 17 and an ignition electronics module 19 are arranged as functional elements.

Auf der, dem Regelventil 17 gegenüberliegenden Seite des Brenner-Unterteils 3 ist das Zündelektronikmodul 19 auf der Bodenwanne 11 montiert. Dieses ist in Signalverbindung mit einer Zündelektrode 21, die in einem radial ausgeweiteten Flanschabschnitt 23 des Brenner-Unterteils 3 befestigt ist. Der Flanschabschnitt 23 des Brenner-Unterteils 3 untergreift den Öffnungsrand der Montageöffnung 5 und ist darüberhinaus mit der angedeuteten Schraubverbindung 25 mit einem, die Montageöffnung 5 überdeckenden Hitzeschutzschild 27 verschraubt. Auf diese Weise ist die Abdeckung 7 mit ihrem Öffnungsrandbereich zwischen dem Hitzeschutzschild 27 und dem Flanschabschnitt 23 des Brenner-Unterteils 3 verspannt. Das Hitzeschutzschild 27 erstreckt sich ringförmig um den Gasbrenner 1 und ist mit seinem Umfangsrand auf der Oberseite der Abdeckung 7 abgestützt.On the, the control valve 17 opposite side of the burner base 3, the ignition electronics module 19 is mounted on the bottom pan 11. This is in signal communication with an ignition electrode 21 which is fixed in a radially expanded flange portion 23 of the burner base 3. The flange portion 23 of the burner base 3 engages under the opening edge of the mounting hole 5 and is also screwed with the indicated screw 25 with a, the mounting hole 5 covering heat shield 27. In this way, the cover 7 with its opening edge region between the heat shield 27 and the flange 23rd of the burner base 3 braced. The heat shield 27 extends annularly around the gas burner 1 and is supported with its peripheral edge on the top of the cover 7.

Der Flanschabschnitt 23 des Brenner-Unterteils 3 ist gemäß der Fig.1 1 unter Zwischenlage eines großflächigen plattenförmigen Blechteiles 29 gegen eine Unterseite 31 der Abdeckung 7 gedrückt. Das Blechteil 29 weist eine Ausnehmung 33 auf, deren Durchmesser etwas größer als der Durchmesser der Montageöffnung 5 ist.The flange portion 23 of the burner base 3 is according to the Fig.1 1 pressed with the interposition of a large plate-shaped sheet metal part 29 against a bottom 31 of the cover 7. The sheet metal part 29 has a recess 33 whose diameter is slightly larger than the diameter of the mounting opening 5.

Im Vergleich zum Blechteil 29 ist der Durchmesser der im Hitzeschutzschild 27 ausgebildeten Zentrieröffnung 34 wesentlich kleiner bemessen, so dass das Hitzeschutzschild 27 die abdeckungsseitige Montageöffnung 5 teilweise überdeckt. Mit seinem Umfangsrand ist das Hitzeschutzschild 27 dagegen in Radialrichtung außerhalb des Brennerkopfes angeordnetCompared to the sheet metal part 29, the diameter of the formed in the heat shield 27 centering 34 is dimensioned much smaller, so that the heat shield 27, the cover-side mounting opening 5 partially covered. With its peripheral edge, however, the heat shield 27 is arranged in the radial direction outside of the burner head

Im Unterschied zum Hitzeschutzschild 27 erstreckt sich das Blechteil 29 nicht nur im Öffnungsrandbereich der abdeckungsseitigen Montageöffnung 5, sondern überdeckt zusätzlich auch die an das Brenner-Unterteil 3 angrenzenden Funktionselemente 17, 19. Das Blechteil 29 ist dabei im Wesentlichen spaltfrei mittels einer Klebschicht 35 an die Unterseite 31 der Abdeckung 7 geklebt.In contrast to the heat shield 27, the sheet metal part 29 extends not only in the opening edge region of the cover-side mounting hole 5, but also covers the adjacent to the burner base 3 functional elements 17, 19. The sheet metal part 29 is substantially gap-free by means of an adhesive layer 35 to the Glued bottom 31 of the cover 7.

Wie aus der Fig.1 1 weiter hervorgeht, sind das Regelventil 17 und das Zündelektronikmodul 19 über einen freien Abstand a vertikal unterhalb des Blechteils 29 angeordnet. Der Zwischenraum zwischen dem Blechteil 29 und den beiden Funktionselementen 17, 19 kann somit als später beschriebener Luftführungsspalt genutzt werden.Like from the Fig.1 1 Further, the control valve 17 and the ignition electronics module 19 are arranged vertically below the sheet metal part 29 over a free distance a. The space between the sheet metal part 29 and the two functional elements 17, 19 can thus be used as later described air guide gap.

In der Fig. 2 ist in einer Ansicht von oben der Gaskochfeld-Ausschnitt der Fig. 1 dargestellt. Ebenso angedeutet sind in gestrichelter Linie das Zündelektronikmodul 19 sowie das Regelventil 17. Wie aus der Fig. 2 hervorgeht, liegen beide Funktionselemente 17, 19 weit radial außerhalb des oberseitigen Hitzeschutzschildes 27. Demgegenüber ist das Blechteil 29 derart großflächig bemessen, dass dessen Randkontur 32 die beiden Funktionselemente 17, 19 vertikal überdeckt sowie zumindest teilweise der Kontur der Funktionselemente 17, 19 folgt.In the Fig. 2 is in a view from above the gas hob extract Fig. 1 shown. Likewise indicated in dashed line the ignition electronics module 19 and the control valve 17. As from the Fig. 2 In contrast, the sheet metal part 29 is dimensioned such a large area that its edge contour 32, the two functional elements 17, 19 vertically overlaps and at least partially the contour of the functional elements 17, 19 follows.

Im Gasbrenner-Betrieb wirken sowohl das Hitzeschutzschild 27 als auch das Blechteil 29 als Wärmeschutzelement. Dabei schützt das oberseitige Hitzeschutzschild 27 den Kantenbereich sowie den Randbereich der abdeckungsseitigen Montageöffnung 5 vor einer direkten, vom Gasbrenner 1 emittierten Wärmestrahlung.In gas burner operation, both the heat shield 27 and the sheet metal part 29 act as a heat protection element. In this case, the upper-side heat shield 27 protects the edge region and the edge region of the cover-side mounting opening 5 from a direct heat radiation emitted by the gas burner 1.

Darüber hinaus wird eine von der Abdeckung 7 ausgehende, in den Gehäuse-Innenraum 12 gerichtete Wärmestrahlung mittels des Blechteils 29 zurück reflektiert, ohne in den Innenraum 12 übertragen zu werden. Das Blechteil 29 verhindert somit, dass die Wärmestrahlung in den Innenraum 12 eintreten kann, wodurch die Betriebstemperatur im Raum unterhalb des Blechteils 29 reduziert ist.In addition, an outgoing from the cover 7, directed into the housing interior 12 heat radiation by means of the sheet metal part 29 is reflected back without being transferred to the interior 12. The sheet metal part 29 thus prevents the heat radiation can enter the interior 12, whereby the operating temperature in the space below the sheet metal part 29 is reduced.

Zugleich wird aufgrund von Luftkonvektion innerhalb des Gehäuse-Innenraums 12 ein Luftstrom I erzeugt, der durch den Luftführungsspalt zwischen dem Blechteil 29 und dem Zündelektronikmodul 19 strömt, wodurch das Zündelektronikmodul 19 weiter gekühlt werden kann.At the same time an air flow I is generated due to air convection within the housing interior 12, which flows through the air guide gap between the sheet metal part 29 and the ignition electronics module 19, whereby the ignition electronics module 19 can be further cooled.

BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS

11
Gasbrennergas burner
33
Brenner-UnterteilBrenner base
55
Montageöffnungmounting hole
77
Abdeckungcover
99
Sockelbase
1212
Innenraum13 TeilleitungInterior13 partial line
1414
Kochfeld-GehäuseHob housing
1515
Hauptleitungmain
1717
Regelventilcontrol valve
1919
ZündelektronikmodulZündelektronikmodul
2121
Zündelektrodeignition electrode
2323
Flanschabschnittflange
2525
Schraubverbindungscrew
2727
HitzeschutzschildHeat shield
2929
Blechteilsheet metal part
3131
Unterseite der Abdeckung 7Bottom of the cover 7
3232
Randkonturedge contour
3333
Ausnehmungrecess
3434
Zentrieröffnungcentering
3535
Klebschichtadhesive layer
aa
freier Abstandfree distance
ll
Luftstromairflow

Claims (9)

Gaskochfeld mit zumindest einem Gasbrenner (1) sowie einer Kochfeld-Abdeckung (7), zwischen der und einem Kochfeld-Boden (11) zumindest ein, insbesondere elektrisch betätigbares Funktionselement (17, 19) angeordnet ist, das mittels eines Wärmeschutzelements (29) vor thermischer Beschädigung während des Gasbrenner-Betriebs geschützt ist, dadurch gekennzeichnet, dass das Wärmeschutzelement (29) mit der von einer Sichtseite der Abdeckung (7) abgewandten Unterseite (31) der Abdeckung (7) in Anlage ist und/oder daran befestigt ist.Gas hob with at least one gas burner (1) and a cooktop cover (7) between which and a cooktop bottom (11) at least one, in particular electrically actuated functional element (17, 19) is arranged by means of a heat protection element (29) thermal damage is protected during gas burner operation, characterized in that the heat protection element (29) with the side facing away from a visible side of the cover (7) underside (31) of the cover (7) in abutment and / or is attached thereto. Gaskochfeld nach Anspruch 1, dadurch gekennzeichnet, dass das Wärmeschutzelement (29) in einem freien Abstand (a) das Funktionselement (17, 19) überdeckt.Gas cooking field according to claim 1, characterized in that the heat protection element (29) in a free distance (a), the functional element (17, 19) covers. Gaskochfeld nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Wärmeschutzelement (29) eine Randkontur (32) aufweist, die einer Kontur des Funktionselements (17, 19) folgt.Gas cooking field according to claim 1 or 2, characterized in that the heat protection element (29) has an edge contour (32) which follows a contour of the functional element (17, 19). Gaskochfeld nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass sich das Wärmeschutzelement (29) ringförmig entlang einer Montageöffnung (5) der Abdeckung (7) erstreckt, und insbesondere im Durchmesser im Wesentlichen gleich groß oder größer ist.Gas cooking field according to claim 1, 2 or 3, characterized in that the heat protection element (29) extends annularly along a mounting opening (5) of the cover (7), and in particular is substantially equal in size or larger in diameter. Gaskochfeld nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Wärmeschutzelement (29) ein insbesondere plattenförmiges Blechteil ist.Gas hob according to one of the preceding claims, characterized in that the heat protection element (29) is a particular plate-shaped sheet metal part. Gaskochfeld nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Wärmeschutzelement (29) mit der Unterseite (31) der Abdeckung (7) verklebt ist.Gas hob according to one of the preceding claims, characterized in that the heat protection element (29) with the underside (31) of the cover (7) is glued. Gaskochfeld nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein zweites Wärmeschutzelement (27) vorgesehen ist, das auf der Sichtseite der Kochfeld-Abdeckung (7) angeordnet ist.Gas cooking field according to one of the preceding claims, characterized in that a second heat shield member (27) is provided, which is disposed on the visible side of the hob cover (7). Gaskochfeld nach Anspruch 7, dadurch gekennzeichnet, dass das an der Unterseite (31) der Abdeckung (7) angeordnete Wärmeschutzelement (29) das an der Sichtseite der Abdeckung (7) angeordnete Wärmeschutzelement (27) zumindest teilweise umfangsseitig überragt.Gas cooking field according to claim 7, characterized in that on the underside (31) of the cover (7) arranged heat protection element (29) on the visible side of the cover (7) arranged heat protection element (27) projects beyond at least partially circumferentially. Gaskochfeld nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Abdeckung (7) aus transparentem, insbesondere glasartigem Material, etwa Glaskeramik oder Hartglas, hergestellt ist.Gas hob according to one of the preceding claims, characterized in that the cover (7) made of transparent, in particular vitreous material, such as glass ceramic or toughened glass, is produced.
EP10166082.7A 2009-06-25 2010-06-16 Gas cooking hob Active EP2267372B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10166082.7A EP2267372B1 (en) 2009-06-25 2010-06-16 Gas cooking hob

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09382103 2009-06-25
ES200930577A ES2384716A1 (en) 2009-06-25 2009-08-07 Cooking field to gas. (Machine-translation by Google Translate, not legally binding)
EP10166082.7A EP2267372B1 (en) 2009-06-25 2010-06-16 Gas cooking hob

Publications (2)

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EP2267372A1 true EP2267372A1 (en) 2010-12-29
EP2267372B1 EP2267372B1 (en) 2019-03-06

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013046238A1 (en) * 2011-09-29 2013-04-04 ASTER S.a.s. Height adjustable burner mounting of a gas cooking device
WO2015149824A1 (en) 2014-03-31 2015-10-08 Arcelik Anonim Sirketi Heat protective shield for gas cooking appliance
WO2015149829A1 (en) 2014-03-31 2015-10-08 Arcelik Anonim Sirketi Gas cooking appliance with improved heat protection
WO2023099710A3 (en) * 2021-12-03 2023-08-03 BSH Hausgeräte GmbH Hob apparatus, hob system, installation tool and method for installing a hob apparatus

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3229406A1 (en) * 1982-08-06 1984-03-29 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart COOKING BASKET, IN PARTICULAR GLASS-CERAMIC COOKING BASKET WITH OPERATING ORGANS
EP0124022A2 (en) * 1983-04-30 1984-11-07 Schott Glaswerke Cooker hob with gas heated hot plates and a continuous cooking area of glass-ceramic or similar material
DE3715126A1 (en) * 1986-09-24 1988-03-31 Cramer Gmbh & Co Kg Cooking zone (cool top platform), in particular for a cooker in a caravan
DE4442572C1 (en) * 1994-11-30 1995-09-28 Schott Glaswerke Protecting opening edges in shaped gas cooker cover body
DE10122093A1 (en) 2001-05-07 2002-11-28 Schott Glas Glass or glass ceramic panel used in household applications comprises parts of a glass or glass ceramic plate connected to a layer of a ceramic dye having a metal coating
DE10302115A1 (en) 2002-01-28 2003-08-14 Bsh Bosch Siemens Hausgeraete Cooking vessel for use on gas stove, has functional components protected by heat shield
EP1383356A2 (en) * 2002-07-19 2004-01-21 Schott Glas Transparent glass/glass-ceramic plate with a metal application for products with a heated zone
US20050269311A1 (en) * 2004-06-04 2005-12-08 Maytag Corporation Ventilation system for a cooking appliance
EP1770336A2 (en) * 2005-09-28 2007-04-04 BSH Bosch und Siemens Hausgeräte GmbH Arrangement of pot support
DE102007007842A1 (en) * 2006-04-12 2007-10-18 BSH Bosch und Siemens Hausgeräte GmbH Gas stove device, has actuator provided to operate set of gas burners in partly automatic and parameter dependent manner, and including switching off unit which is provided to switch off gas burners

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3229406A1 (en) * 1982-08-06 1984-03-29 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart COOKING BASKET, IN PARTICULAR GLASS-CERAMIC COOKING BASKET WITH OPERATING ORGANS
EP0124022A2 (en) * 1983-04-30 1984-11-07 Schott Glaswerke Cooker hob with gas heated hot plates and a continuous cooking area of glass-ceramic or similar material
DE3715126A1 (en) * 1986-09-24 1988-03-31 Cramer Gmbh & Co Kg Cooking zone (cool top platform), in particular for a cooker in a caravan
DE4442572C1 (en) * 1994-11-30 1995-09-28 Schott Glaswerke Protecting opening edges in shaped gas cooker cover body
DE10122093A1 (en) 2001-05-07 2002-11-28 Schott Glas Glass or glass ceramic panel used in household applications comprises parts of a glass or glass ceramic plate connected to a layer of a ceramic dye having a metal coating
DE10302115A1 (en) 2002-01-28 2003-08-14 Bsh Bosch Siemens Hausgeraete Cooking vessel for use on gas stove, has functional components protected by heat shield
EP1383356A2 (en) * 2002-07-19 2004-01-21 Schott Glas Transparent glass/glass-ceramic plate with a metal application for products with a heated zone
DE10232814A1 (en) 2002-07-19 2004-02-05 Schott Glas Transparent glass / glass ceramic plate with metal appearance for products with hot areas
US20050269311A1 (en) * 2004-06-04 2005-12-08 Maytag Corporation Ventilation system for a cooking appliance
EP1770336A2 (en) * 2005-09-28 2007-04-04 BSH Bosch und Siemens Hausgeräte GmbH Arrangement of pot support
DE102007007842A1 (en) * 2006-04-12 2007-10-18 BSH Bosch und Siemens Hausgeräte GmbH Gas stove device, has actuator provided to operate set of gas burners in partly automatic and parameter dependent manner, and including switching off unit which is provided to switch off gas burners

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013046238A1 (en) * 2011-09-29 2013-04-04 ASTER S.a.s. Height adjustable burner mounting of a gas cooking device
WO2015149824A1 (en) 2014-03-31 2015-10-08 Arcelik Anonim Sirketi Heat protective shield for gas cooking appliance
WO2015149829A1 (en) 2014-03-31 2015-10-08 Arcelik Anonim Sirketi Gas cooking appliance with improved heat protection
WO2023099710A3 (en) * 2021-12-03 2023-08-03 BSH Hausgeräte GmbH Hob apparatus, hob system, installation tool and method for installing a hob apparatus

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