EP2278228B1 - Four avec unn dispositif d'éclairage pour l'espace de cuisson du four - Google Patents

Four avec unn dispositif d'éclairage pour l'espace de cuisson du four Download PDF

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Publication number
EP2278228B1
EP2278228B1 EP10169539.3A EP10169539A EP2278228B1 EP 2278228 B1 EP2278228 B1 EP 2278228B1 EP 10169539 A EP10169539 A EP 10169539A EP 2278228 B1 EP2278228 B1 EP 2278228B1
Authority
EP
European Patent Office
Prior art keywords
light source
oven
baking oven
housing
cooling air
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.)
Active
Application number
EP10169539.3A
Other languages
German (de)
English (en)
Other versions
EP2278228A3 (fr
EP2278228A2 (fr
Inventor
Jochen Herbolsheimer
Peter Kellermann
Markus-Günter LOHR
Peter Mallinger
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 PL10169539T priority Critical patent/PL2278228T3/pl
Publication of EP2278228A2 publication Critical patent/EP2278228A2/fr
Publication of EP2278228A3 publication Critical patent/EP2278228A3/fr
Application granted granted Critical
Publication of EP2278228B1 publication Critical patent/EP2278228B1/fr
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
    • F24C15/00—Details
    • F24C15/008—Illumination for oven cavities
    • 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
    • F24C15/006—Arrangements for circulation of cooling air

Definitions

  • the invention relates to an oven comprising a furnace housing, a furnace muffle and a lighting device for the treatment room of the oven with at least one arranged outside the treatment room, but light emitting the treatment room associated, thermally highly loaded light source.
  • a known lighting device for an oven ( DE 10 2005 044 347 A1 ) Is disposed between the boundary wall of the treatment chamber (cooking chamber) and the at least one light source, an insulating material through which a for the light source z.
  • a transparent or translucent porous material such as a silicate airgel is proposed.
  • DE-U-29718343 discloses a cooking appliance with a cooling medium flowed light source.
  • the EP 0 913 646 A1 shows a cooking appliance with a furnace muffle, in the wall for illuminating an oven light with a lamp holder and a content Erten lamp is arranged with a base, and arranged above the furnace muffle between a blowout opening of a cooling housing and an opening into the open air outlet opening blower shaft.
  • the EP 0 913 646 A1 discloses an oven according to the preamble of claim 1.
  • the DE 297 18 343 U1 discloses a lighting device for a stove, which is equipped with a fan for cooling or circulating air and a cooking chamber at least partially surrounding cooling air chamber.
  • the lighting device has a luminaire housing with a socket for a lamp. The space formed by the lamp housing is closed to the cooking chamber by a translucent cover.
  • the present invention has for its object to provide a lighting device of the type mentioned in such a way that with or without heat insulation from inside to outside and without elaborate design measures in all conceivable light sources the maximum permissible operating temperature in the range of the light source is not exceeded.
  • the cooling medium may consist of a treatment space and the heat-insulating layer flowing around z. B. forced by cooling fan cooling air flow or from a heat sink located outside the treatment room z. B. in the form of the treatment room moving outer metallic furnace housing with good thermal conductivity and thus heat dissipating properties.
  • the measure according to the invention ensures, in particular, the unhesitating use of all conceivable light sources, including those with the highest thermal emission, by discharging the heat energy emanating from the light source and / or to the heat energy originating from the treatment space in comparatively cool zones outside the treatment space.
  • the cooling medium consists of a heat-conducting heat sink.
  • the large and largely of good heat conducting material existing cooling potential for the dissipation of the operating heat of at least one light source is used, which is located at a distance outside of the treatment chamber (cooking chamber).
  • a large heat sink which is formed by a surrounding the treatment room muffle with a distance covering metallic wall of the oven housing and / or by another part of the furnace muffle surrounding oven.
  • the heat dissipation takes place predominantly by heat conduction in that the wall has a metallic connecting element bridging the distance between the wall and the light source, which is connected to the carrier of the light source or is itself the carrier of the light source.
  • the oven muffle in a cooling air duct around flowing cooling air flow.
  • the light source is placed in a luminaire housing which projects at least partially into a cooling air channel which moves around the furnace muffle and is therefore exposed to the full cooling air flow.
  • the projecting into the cooling air duct part can advantageously be formed filigree or provided with flow openings, whereby the cooling air flow presents the largest possible surface of the part to be cooled.
  • the luminaire housing between the light source and the treatment space facing the luminaire opening a transparent or translucent heat insulating z.
  • B. of silica, preferably a bed of silicate airgel possesses.
  • cuboid muffle 1 of a furnace not shown forms a treatment room 2
  • the front side with a muffle flange 3 is closed by an oven door and in which, as usual, several shelves for food to be cooked Gargutisme are provided.
  • a lighting device which consists in the embodiment of a plurality of bulbs 4, arranged on the two opposite side walls 5 and on the upper wall 6 of the oven muffle first
  • FIGS. 2 to 5 one of these bulbs 4 is shown as a detail.
  • the wall 5 of the oven muffle 1 is deposited with a thermal barrier coating 6.
  • a cooling air channel 8 is formed, which is fluidically connected to a cooling air blower, not shown.
  • the light source 4 consists of a pyramid-shaped light housing 9 (see also FIG. 1 ), which may be formed, for example, as a light-guiding reflector element for the lamp and which is used in an interruption of the thermal barrier coating 6 and the cavity is covered on the garage side with a glass pane 10 in a lamp opening.
  • a light source 11 in the form of an incandescent lamp, a light emitting diode or the like is used at the narrowed end of the lamp housing 9.
  • In the luminaire housing 9 is between the light source 11 and between a transparent intermediate bottom 12 (FIG. FIGS.
  • the narrowed end of the lamp housing 9 and thus the light source 11 projects into the cooling air channel 8 and is therefore in direct connection at least with the cooling medium in the form of the cooling air channel 8 in the direction an outflow opening in the furnace housing flowing cooling air flow, represented by flow arrows 14th
  • FIG. 2 While in FIG. 2 only the luminous source 11 of the luminous means or its carrier 15 (FIG. FIG. 2 ) is exposed to the cooling air flow heat dissipating has in the embodiments according to FIG. 3 and FIG. 5 the luminaire housing 9 flow openings 16, through which the cooling air in the cooling air passage 8 can flow in contact with the light source 11.
  • FIGS. 4 and 5 is provided as essential, heat-conducting dissipating cooling medium, a heat sink in the form of the outer and cool wall 7 of the furnace housing.
  • a distance between the wall 7 and light source 11 and the carrier 15 bridging, U-shaped connecting element 17 is provided on the wall 7, which is in direct communication with the light source 11.
  • This connecting element 17 is also placed in the cooling air duct 8 and may have flow openings 16 for its ventilation and heat dissipation, in addition to the flow of cooling air through the flow openings 16 in the luminaire housing 9 FIG. 5 through, as illustrated by flow file 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Claims (5)

  1. Four de cuisson comprenant une enveloppe de four, un moufle de four (1) et un dispositif d'éclairage pour un espace de traitement (2) du four formé par le moufle (1) comprenant au moins une source d'éclairage (11) à forte charge thermique située à l'extérieur de l'espace de traitement (2), mais associée à l'espace de traitement (2) de manière à émettre de la lumière, la source d'éclairage (11) et/ou son support (9, 15) étant directement reliés à un dissipateur thermique (7) ayant une bonne propriété de conduction de chaleur et évacuant la chaleur,
    caractérisé en ce que le dissipateur thermique (7) est formé par une paroi métallique de l'enveloppe de four revêtant, avec un espacement, le moufle de four (1) entourant l'espace de traitement (2) et le dissipateur thermique (7) comporte un élément de liaison métallique (17) comblant l'espacement entre le dissipateur thermique (7) et la source d'éclairage (11) et qui est relié au support (9, 15) de la source d'éclairage (11) ou est lui-même le support de la source d'éclairage (11).
  2. Four de cuisson selon la revendication 1, caractérisé en ce qu'il est prévu un fluide de refroidissement qui fait fonction de flux d'air de refroidissement circulant autour du moufle de four (1) dans un canal d'air de refroidissement (8).
  3. Four de cuisson selon l'une des revendications précédentes, caractérisé en ce que la source d'éclairage (11) est placée dans un logement pour éclairage (9) resp. comprend un élément réflecteur qui fait saillie, au moins partiellement, dans un canal d'air de refroidissement (8) faisant le tour du moufle de four (1).
  4. Four de cuisson selon la revendication 3, caractérisé en ce que le logement pour éclairage et/ou l'élément de liaison (17) sont pourvus d'ouvertures d'écoulement (16) dans la zone du canal d'air de refroidissement (8).
  5. Four de cuisson selon l'une des revendications 3 et 4, caractérisé en ce que le logement pour éclairage (9) comprend un matériau calorifuge transparent ou translucide, par exemple en acide silicique, de préférence un remplissage en aérogel de silicate (13), entre la source d'éclairage (11) et l'ouverture d'éclairage tournée vers l'espace de traitement (2).
EP10169539.3A 2009-07-22 2010-07-14 Four avec unn dispositif d'éclairage pour l'espace de cuisson du four Active EP2278228B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10169539T PL2278228T3 (pl) 2009-07-22 2010-07-14 Piekarnik z urządzeniem oświetleniowym do komory roboczej piekarnika

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910027912 DE102009027912A1 (de) 2009-07-22 2009-07-22 Beleuchtungseinrichtung für den Behandlungsraum eines Backofens

Publications (3)

Publication Number Publication Date
EP2278228A2 EP2278228A2 (fr) 2011-01-26
EP2278228A3 EP2278228A3 (fr) 2012-10-31
EP2278228B1 true EP2278228B1 (fr) 2017-03-01

Family

ID=43086076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10169539.3A Active EP2278228B1 (fr) 2009-07-22 2010-07-14 Four avec unn dispositif d'éclairage pour l'espace de cuisson du four

Country Status (3)

Country Link
EP (1) EP2278228B1 (fr)
DE (1) DE102009027912A1 (fr)
PL (1) PL2278228T3 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011088087A1 (de) * 2011-12-09 2013-06-13 BSH Bosch und Siemens Hausgeräte GmbH Beleuchtungsvorrichtung für ein Gargerät und Gargerät
DE102012211202A1 (de) * 2012-06-28 2014-01-02 BSH Bosch und Siemens Hausgeräte GmbH Geschlossene Garraumleuchte
EP2966360B1 (fr) * 2013-03-07 2020-04-08 Panasonic Intellectual Property Management Co., Ltd. Dispositif de cuisson par chauffage
DE102013210823B3 (de) * 2013-06-10 2014-12-11 Irlbacher Blickpunkt Glas Gmbh LED-Heißraumleuchte sowie diese Heißraumleuchte enthaltendes Haushaltsgerät
DE102013225404A1 (de) 2013-12-10 2015-06-11 BSH Hausgeräte GmbH Haushaltsgerät mit Halbleiterlichtquelle
DE102014203531A1 (de) * 2014-02-27 2015-08-27 BSH Hausgeräte GmbH Gargerät mit einer spezifischen Kühlung einer Beleuchtungsvorrichtung
DE102015116713A1 (de) * 2015-10-01 2017-04-06 Osram Opto Semiconductors Gmbh Anordnung mit einem optoelektronischen Bauelement und einer Schutzschicht aus Aerogel
EP3359881B1 (fr) * 2015-10-08 2020-05-06 Arçelik Anonim Sirketi Appareil de cuisson avec un dispositif d'éclairage
KR102600945B1 (ko) * 2017-01-03 2023-11-13 삼성전자주식회사 조리기기
DE102017009427A1 (de) 2017-10-11 2019-04-11 Emz-Hanauer Gmbh & Co. Kgaa Pyrolyse-Backofen mit einem Leuchtmodul

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29718343U1 (de) * 1997-10-20 1998-01-15 Brökelmann, Jaeger & Busse GmbH & Co, 59755 Arnsberg Beleuchtungseinrichtung für einen Herd
DE19748002A1 (de) * 1997-10-30 1999-05-06 Bosch Siemens Hausgeraete Herd mit gekühlter Beleuchtungseinrichtung
DE19833774A1 (de) * 1998-07-27 2000-02-03 Bsh Bosch Siemens Hausgeraete Gargerät mit gekühlter Leuchte
DE102005044347A1 (de) * 2005-09-16 2007-03-22 BSH Bosch und Siemens Hausgeräte GmbH Beleuchtungsvorrichtung für Backöfen und Backofen

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
PL2278228T3 (pl) 2017-07-31
DE102009027912A1 (de) 2011-01-27
EP2278228A3 (fr) 2012-10-31
EP2278228A2 (fr) 2011-01-26

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