EP1901007B1 - Oven door - Google Patents

Oven door Download PDF

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Publication number
EP1901007B1
EP1901007B1 EP07114896.9A EP07114896A EP1901007B1 EP 1901007 B1 EP1901007 B1 EP 1901007B1 EP 07114896 A EP07114896 A EP 07114896A EP 1901007 B1 EP1901007 B1 EP 1901007B1
Authority
EP
European Patent Office
Prior art keywords
heat
conducting plate
oven
disc
oven door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP07114896.9A
Other languages
German (de)
French (fr)
Other versions
EP1901007A2 (en
EP1901007A3 (en
Inventor
Franz Götzendorfer
Hans Lappat
Stefan Sojer
Christine Thaller
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 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
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL07114896T priority Critical patent/PL1901007T3/en
Publication of EP1901007A2 publication Critical patent/EP1901007A2/en
Publication of EP1901007A3 publication Critical patent/EP1901007A3/en
Application granted granted Critical
Publication of EP1901007B1 publication Critical patent/EP1901007B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/04—Doors specially adapted for stoves or ranges with transparent panels
    • 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
    • F24C14/00—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning
    • F24C14/02—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning pyrolytic type
    • 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 oven door for closing the feed opening of the cooking chamber of a particular pyrolytic self-cleaning oven, with a front and a garraum disorderen disc preferably made of glass material, which define a cavity by at least one heat well-conducting material consisting of heat conducting plate at a small distance located in front of the front pane.
  • the present invention has for its object to improve a door of the type mentioned above so that with structurally particular manufacturing technology simple and cost-saving means and measures placement of the heat conduction in a precisely predetermined distance in front of the front pane and with minimal heat conducting contact with the same can be realized.
  • Such features serving as spacers are manufacturing technology very simple and with constant embossing depth produced and ensure a constant distance and thus a constant wide thermally insulating air cushion or a constant wide flow cavity between the front plate and heat conduction, so that on the one hand best possible heat dissipation or thermal insulation on both sides of the heat conduction and on the other hand by heat conduction a continuous heat dissipation from the front pane, which is reached by hand when handling the oven, is ensured.
  • a connection between the disc and heat conduction takes place by means provided on the forms splices. In this way, a heat conduction between the heat conducting plate and fron departmenter disc is minimized.
  • the characteristics in the heat conducting plate are preferably wedge-shaped and run in virtually punctiform peaks, which are supported with the least possible contact on the front pane.
  • the heat-conducting plate is at least partially covered on the side facing the cooking chamber of the oven by a heat-reflecting, the heat-conducting plate closely adjacent plate.
  • the plate on one side to the cooking chamber with a reflective heat reflecting surface that surface area of the door system, which is exposed to most heat energy of the oven door, protect from emanating from the oven heat radiation.
  • the plate is placed in front of the heat conduction plate with a small allowable air flow and designed as a manufacturing unit.
  • the oven door essentially consists of a front pane 1 made of glass material, to which a pair of metallic, elongated connecting bars 2 are fastened eg by gluing in the upper door region, which connecting bars 2 extend over almost the entire height of the oven door ( Fig.1 ).
  • the disc 1 is printed on the back with the exception of a see-through window 3 with an opaque color. With her the connecting beams 2 superior edges supported in a known manner, the disc 1 on the peripheral seal of a baking oven flange of a baking oven, not shown.
  • the two discs 1 and 4 define a door cavity 5 within which a heat-insulating disc package 6, a only in FIG. 1 but not in FIG. 2 was shown only on the upper, in the operation of the oven most heated area extending plate 7, as well as a distance on the inside of the disc 1 resting, large-scale heat conduction plate 8 is made of aluminum material.
  • the heat-conducting plate 8 as well as the one-sided reflecting plate 7 has at several points forms 9 in the form of wart-like, wedge-shaped tapered embossing points 9 with a substantially point-shaped tip, with which the heat-conducting 8 selectively with a distance a of, for example, 0.5 mm at the adjacent surface of the disc 1 is supported, as is the case with the plate 7, and thus defines a preferably open up and down flow channel 10 therebetween.
  • the also made of aluminum plate 7 is provided on the inside of the cooking chamber with a heat-reflecting surface. In this way, a large part of the heat coming from the cooking chamber and passing through the inner pane 4 is reflected and kept away from the adjacent heat conducting plate 8 and thus from the front pane 1.
  • the reflecting plate 7 like the heat-conducting plate 8, can also be provided on the punctiform forms 9 with a small area of adhesive material for the firm connection to the respectively adjacent element.
  • the Wärmleitplatte 8 and the one-sided reflecting Platte7 are preferably formed in combination as a prefabricated unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electric Stoves And Ranges (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Electric Ovens (AREA)

Description

Die Erfindung bezieht sich auf eine Backofentür zum verschließen der Beschickungsöffnung des Garraums eines insbesondere pyrolytisch selbstreinigenden Backofens, mit einer frontseitigen und einer garraumseitigen Scheibe vorzugsweise aus Glasmaterial, welche Scheiben einen Hohlraum begrenzen, indem sich zumindest eine aus Wärme gut leitenden Material bestehende Wärmeleitplatte mit geringem Abstand vor der frontseitigen Scheibe befindet.The invention relates to a oven door for closing the feed opening of the cooking chamber of a particular pyrolytic self-cleaning oven, with a front and a garraumseitigen disc preferably made of glass material, which define a cavity by at least one heat well-conducting material consisting of heat conducting plate at a small distance located in front of the front pane.

Bei einer bekannten Backofentür dieser Art ( DE 10304282A1 ) ist in einem Hohlraum zwischen der frontseitigen Scheibe und der garraumseitigen Scheibe ein großflächiges, einen Wärmefluss zur frontseitigen Scheibe hemmendes Element in Form eine Wärmeleitplatte aus Aluminium angeordnet, welche mit der frontseitigen Scheibe partiell durch Kleben befestigt ist. Diese Wärmeleitplatte hat einen geringen Abstand zur benachbarten frontseitigen Scheibe und hat die Aufgabe, vom Garraum ausgehende Wärmestrahlung aufzunehmen und in Bereiche der Backofentür abzuführen, wo ein unmittelbarer Übergang zur fronseitigen Scheibe nicht mehr stattfindet oder eine solche thermische Beeinflussung nicht mehr zu einer z.B. partiellen starken Erhitzung der frontseitigen Scheibe im griffbereiten Bereich führt oder wo eine besonders intensive Abführung der Wärmeenergie nach Außen hin erfolgen kann. Man erhält dadurch eine gleichmäßige Verteilung der Fronttemperatur an der fronseitigen Scheibe auf relativ niedrigem Temperaturniveau.In a known oven door of this type ( DE 10304282A1 ) is in a cavity between the front pane and the garraumseitigen disc a large-scale, a heat flow to the front pane disc-inhibiting element in the form of a Wärmeleitplatte made of aluminum, which is partially attached to the front pane by gluing. This heat-conducting plate has a small distance from the adjacent front pane and has the task to absorb radiant heat emanating from the oven and dissipate in areas of the oven door, where an immediate transition to fronseitigen disc no longer takes place or such thermal influence no longer for example, a partial strong heating the front panel in the ready area leads or where a particularly intense dissipation of heat energy can be done to the outside. This gives a uniform distribution of the front temperature on the fronseitigen disc at a relatively low temperature level.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Backofentür der Eingangs genannten Art so zu verbessern, dass mit konstruktiv insbesondere fertigungstechnisch einfachen und Kosten sparenden Mitteln und Maßnahmen eine Platzierung der Wärmeleitplatte in einem exakt vorbestimmten Abstand vor der frontseitigen Scheibe und mit geringstem wärmeleitenden Kontakt zu der selben realisiert werden kann.The present invention has for its object to improve a door of the type mentioned above so that with structurally particular manufacturing technology simple and cost-saving means and measures placement of the heat conduction in a precisely predetermined distance in front of the front pane and with minimal heat conducting contact with the same can be realized.

Diese Aufgabe wird bei einer Backofentür der Eingangs genannten Art durch die Merkmale des Anspruchs 1 gelöst. Derartige als Abstandhalter dienende Ausprägungen sind fertigungstechnisch sehr einfach und mit konstanter Prägetiefe herstellbar und gewährleisten einen konstanten Abstand und damit ein konstant weites thermisch isolierendes Luftpolster bzw. einen konstant weiten Strömungshohlraum zwischen frontseitiger Scheibe und Wärmeleitplatte, so dass einerseits eine best mögliche Wärmeabführung bzw. thermische Isolierung beiderseits der Wärmeleitplatte und andererseits durch Wärmeleitung eine stetige Wärmeabführung aus dem Bereich der frontseitigen Scheibe, der bei der Handhabung am Backofen mit der Hand erreichbar ist, sichergestellt ist.This object is achieved in a oven door of the type mentioned by the features of claim 1. Such features serving as spacers are manufacturing technology very simple and with constant embossing depth produced and ensure a constant distance and thus a constant wide thermally insulating air cushion or a constant wide flow cavity between the front plate and heat conduction, so that on the one hand best possible heat dissipation or thermal insulation on both sides of the heat conduction and on the other hand by heat conduction a continuous heat dissipation from the front pane, which is reached by hand when handling the oven, is ensured.

Gemäß einer vorteilhaften Weiterbildung der Erfindung findet eine Verbindung zwischen Scheibe und Wärmeleitplatte durch an den Ausprägungen vorgesehenen Klebestellen statt. Auf dieser Weise ist eine Wärmeleitung zwischen Wärmeleitplatte und fronseitiger Scheibe auf ein Mindestmaß begrenzt.According to an advantageous embodiment of the invention, a connection between the disc and heat conduction takes place by means provided on the forms splices. In this way, a heat conduction between the heat conducting plate and fronseitiger disc is minimized.

Die Ausprägungen in der Wärmeleitplatte sind bevorzugt keilartig geformt und laufen in praktisch punktförmigen Spitzen aus, die sich mit geringst möglichem Kontakt an der frontseitigen Scheibe abstützen.The characteristics in the heat conducting plate are preferably wedge-shaped and run in virtually punctiform peaks, which are supported with the least possible contact on the front pane.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist die Wärmeleitplatte auf der dem Garraum des Backofens zugewandten Seite zumindest partiell von einer Wärmestrahlen reflektierenden, der Wärmeleitplatte eng benachbarten Platte überdeckt. Insbesondere im oberen Türbereich mit der höchsten Betriebstemperatur wird die einseitig zum Garraum hin mit einer Wärmestrahlen reflektierenden Oberfläche versehende Platte denjenigen Flächenbereich des Türsystems, der der meisten Wärmeenergie der Backofentür ausgesetzt ist, vor der vom Garraum ausgehenden Wärmestrahlung schützen. Vorzugsweise wird die Platte mit geringem, eine Luftströmung erlaubenden Abstand vor der Wärmeleitplatte platziert und als fertigungstechnische Baueinheit konzipiert.According to an advantageous development of the invention, the heat-conducting plate is at least partially covered on the side facing the cooking chamber of the oven by a heat-reflecting, the heat-conducting plate closely adjacent plate. Especially in the upper door area with the highest operating temperature, the plate on one side to the cooking chamber with a reflective heat reflecting surface that surface area of the door system, which is exposed to most heat energy of the oven door, protect from emanating from the oven heat radiation. Preferably, the plate is placed in front of the heat conduction plate with a small allowable air flow and designed as a manufacturing unit.

Die Erfindung ist anhand eines in der Zeichnung dargestellten Ausführungsbeispieles nach stehend erläutert.The invention is explained with reference to an embodiment shown in the drawing after standing.

Es zeigt:

Figur1
eine vom nicht dargestellten Garraum, eines Backofens her gesehene Draufsicht auf die Backofentür gemäß der Schnittlinie I - I in Figur 2,
Figur2
eine Schnittansicht mit Sicht von oben der unterbrochen dargestellten Backofentür gemäß der Schnittlinie II - II in Figur 1.
It shows:
Figur1
a top view of the oven door according to the section line I - I in FIG FIG. 2 .
Figur2
a sectional view with a view from above of the oven door shown broken according to the section line II - II in FIG. 1 ,

Die Backofentür gemäß den Figuren besteht im wesentlichen aus einer frontseitigen Scheibe 1 aus Glasmaterial, an der im oberen Türbereich ein Paar von metallischen, lang gestreckten Verbindungsholmen 2 z.B. durch Kleben befestigt sind, welche Verbindungsholme 2 sich über nahezu die gesamte Bauhöhe der Backofentür erstrecken (Fig.1). Die Scheibe 1 ist rückseitig mit Ausnahme eines Durchsichtfensters 3 mit einer undurchsichtigen Farbe bedruckt. Mit ihren die Verbindungsholme 2 überragenden Rändern stützt sich in bekannter Weise die Scheibe 1 an der umlaufenden Dichtung eines Backofenflansches eines nicht dargestellten Backofens ab. An den innenseitigen Flächen der Verbindungsholme 2 ist eine innere, dem Garraum des Backofens zugewandte napfartig profilierte Scheibe 4 ebenfalls aus Glasmaterial befestigt. Die beiden Scheiben 1 und 4 begrenzen einen Türhohlraum 5 innerhalb welchem sich ein wärmedämmendes Scheibenpaket 6, eine nur in Figur 1, nicht aber in Figur 2 dargestellte sich nur über den oberen, im Betrieb des Backofens am stärksten erhitzten Bereich erstreckende Platte 7, sowie eine mit Abstand auf der Innenseite der Scheibe 1 aufliegende, großflächige Wärmeleitplatte 8 aus Aluminiummaterial befindet.The oven door according to the figures essentially consists of a front pane 1 made of glass material, to which a pair of metallic, elongated connecting bars 2 are fastened eg by gluing in the upper door region, which connecting bars 2 extend over almost the entire height of the oven door ( Fig.1 ). The disc 1 is printed on the back with the exception of a see-through window 3 with an opaque color. With her the connecting beams 2 superior edges supported in a known manner, the disc 1 on the peripheral seal of a baking oven flange of a baking oven, not shown. On the inside surfaces of the connecting beams 2, an inner, the cooking chamber of the oven facing cup-shaped profiled disc 4 is also attached from glass material. The two discs 1 and 4 define a door cavity 5 within which a heat-insulating disc package 6, a only in FIG. 1 but not in FIG. 2 was shown only on the upper, in the operation of the oven most heated area extending plate 7, as well as a distance on the inside of the disc 1 resting, large-scale heat conduction plate 8 is made of aluminum material.

Die Wärmeleitplatte 8 ebenso wie die einseitig reflektierende Platte 7 besitzt an mehreren Stellen Ausprägungen 9 in Form von warzenartigen, keilförmig zulaufenden Prägestellen 9 mit im wesentlichen punktförmiger Spitze, mit denen sich die Wärmeleitplatte 8 punktuell mit einem Abstand a von beispielsweise 0,5 mm an der benachbarten Oberfläche der Scheibe 1 abstützt, ebenso wie dies bei der Platte 7 der Fall ist, und damit dazwischen einen bevorzugt nach oben und unten offenen Strömungskanal 10 begrenzt. Die ebenfalls aus Aluminium bestehende Platte 7 ist auf der dem Garraum zugewandten Innenseite mit einer Wärmestrahlen reflektierenden Oberfläche versehen. Auf diese Weise wird ein Großteil der vom Garraum herkommenden und durch die innere Scheibe 4 hindurch tretende Wärmestrahlung reflektiert und von der benachbarten Wärmeleitplatte 8 und damit von der frontseitigen Scheibe 1 abgehalten. Die auf die Frontseite der Backofentür noch auftreffende, vom Scheibenpaket 6 nicht gehemmte und von der Oberfläche der Platte 7 nicht reflektierte Wärmestrahlung wird innerhalb der absorbierenden Wärmeleitplatte 8 gleichmäßig verteilt und in periphere Bereiche transportiert, so dass die berührbare Außenfläche der frontseitigen Scheibe 1 auf einem gemäßigten Temperaturniveau gehalten werden kann.The heat-conducting plate 8 as well as the one-sided reflecting plate 7 has at several points forms 9 in the form of wart-like, wedge-shaped tapered embossing points 9 with a substantially point-shaped tip, with which the heat-conducting 8 selectively with a distance a of, for example, 0.5 mm at the adjacent surface of the disc 1 is supported, as is the case with the plate 7, and thus defines a preferably open up and down flow channel 10 therebetween. The also made of aluminum plate 7 is provided on the inside of the cooking chamber with a heat-reflecting surface. In this way, a large part of the heat coming from the cooking chamber and passing through the inner pane 4 is reflected and kept away from the adjacent heat conducting plate 8 and thus from the front pane 1. The on the front of the Oven door still impinging, not inhibited by the disk package 6 and not reflected by the surface of the plate 7 heat radiation is evenly distributed within the absorbent Wärmeleitplatte 8 and transported to peripheral areas, so that the accessible outer surface of the front pane 1 can be maintained at a moderate temperature level.

Die reflektierende Platte 7, wie die Wärmeleitplatte 8, können an den punktuellen Ausprägungen 9 ebenfalls kleinflächig mit Klebematerial für die feste Verbindung mit dem jeweils benachbarten Element versehen sein. Die Wärmleitplatte 8 und die einseitig reflektierende Platte7 sind vorzugsweise in Kombination als vorfertigbare Baueinheit ausgebildet.The reflecting plate 7, like the heat-conducting plate 8, can also be provided on the punctiform forms 9 with a small area of adhesive material for the firm connection to the respectively adjacent element. The Wärmleitplatte 8 and the one-sided reflecting Platte7 are preferably formed in combination as a prefabricated unit.

Claims (4)

  1. Oven door for closing the loading opening of the cooking compartment of an especially pyrolytic self-cleaning oven, with a disc (1, 4) on the front side and on the cooking compartment side, preferably made from glass material, which discs (1, 4) delimit a cavity (5), in which at least one heat-conducting plate (8) consisting of a good heat-conducting material is disposed at a minimal distance from the front disc (1), wherein the heat-conducting plate is supported on the front disc (1) and defines a distance (a) between the disc (1) and heat-conducting plate (8), characterised in that the support and retention of the defined distance is carried out by a number of small, preferably punctiform shapes (9) of the heat-conducting plate (8).
  2. Oven door according to claim 1, characterised in that a connection between disc (1) and heat-conducting plate (8) takes place by means of adhesive areas provided on the shapes (9).
  3. Oven door according to one of the preceding claims, characterised in that on the side facing the cooking compartment of the oven the heat-conducting plate (8) is covered at least partially by a plate (7) which reflects heat rays and is closely adjacent to the heat-conducting plate (8).
  4. Oven with an oven door according to one of the preceding claims.
EP07114896.9A 2006-09-08 2007-08-24 Oven door Not-in-force EP1901007B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07114896T PL1901007T3 (en) 2006-09-08 2007-08-24 Oven door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006042174A DE102006042174A1 (en) 2006-09-08 2006-09-08 oven door

Publications (3)

Publication Number Publication Date
EP1901007A2 EP1901007A2 (en) 2008-03-19
EP1901007A3 EP1901007A3 (en) 2016-09-14
EP1901007B1 true EP1901007B1 (en) 2018-01-17

Family

ID=38638233

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07114896.9A Not-in-force EP1901007B1 (en) 2006-09-08 2007-08-24 Oven door

Country Status (4)

Country Link
EP (1) EP1901007B1 (en)
DE (1) DE102006042174A1 (en)
PL (1) PL1901007T3 (en)
TR (1) TR201802669T4 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010040953A1 (en) * 2010-09-17 2012-03-22 BSH Bosch und Siemens Hausgeräte GmbH oven
DE102010063906A1 (en) 2010-12-22 2012-06-28 BSH Bosch und Siemens Hausgeräte GmbH Oven door and oven with a oven door

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4243604A1 (en) * 1992-12-22 1994-06-23 Bosch Siemens Hausgeraete oven
DE4344242C2 (en) * 1993-12-23 2001-10-04 Bsh Bosch Siemens Hausgeraete oven
US5433189A (en) * 1994-02-17 1995-07-18 Maytag Corporation Oven door heat dissipation system
DE10304282B4 (en) * 2003-02-03 2020-06-18 BSH Hausgeräte GmbH Oven door

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
DE102006042174A1 (en) 2008-03-27
EP1901007A2 (en) 2008-03-19
PL1901007T3 (en) 2018-06-29
EP1901007A3 (en) 2016-09-14
TR201802669T4 (en) 2018-03-21

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