EP1623159B1 - Cooking device - Google Patents
Cooking device Download PDFInfo
- Publication number
- EP1623159B1 EP1623159B1 EP04729105.9A EP04729105A EP1623159B1 EP 1623159 B1 EP1623159 B1 EP 1623159B1 EP 04729105 A EP04729105 A EP 04729105A EP 1623159 B1 EP1623159 B1 EP 1623159B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooking device
- light source
- door
- cooking
- light
- 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.)
- Expired - Lifetime
Links
- 238000010411 cooking Methods 0.000 title claims description 66
- 238000005286 illumination Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Images
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
- F24C15/02—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
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/30—Lighting for domestic or personal use
- F21W2131/307—Lighting for domestic or personal use for ovens
Definitions
- the invention relates to a cooking appliance having a cooking chamber and a cooking appliance door for closing the cooking chamber and a lighting device for illuminating the cooking chamber, which has at least one reflector which is arranged in a door interior of the cooking appliance door and reflects light from a light source of the lighting device in the cooking chamber.
- the DE 85 18 078 U describes a cooking appliance with a single, arranged inside a cooking light.
- a reflector layer is applied, which is partially transparent to light rays and reflected by the light rays outgoing light into the cooking chamber.
- Out DE-A-38 08 716 is a device for illuminating the interiors of household appliances known.
- the lighting device is integrated in a baking oven door and has arched reflectors, which are formed elongated and have a parabolic cross-section and are arranged to extend in height of the viewing window.
- the reflectors are preferably associated with a plurality of luminous bodies.
- Out DE-A-36 43 354 is another lighting device for a closable by a oven door oven known.
- a door interior of the oven door lamps and associated inclined reflector surfaces 21 are arranged. As a result, an optimal illumination of the oven is obtained, the lamps are not visible from the outside.
- the object of the invention is to provide a cooking appliance in which a permanently reliable operation of the lighting device is ensured.
- the light source is arranged outside a sealing region provided between the cooking chamber door and a muffle flange that moves the cooking chamber opening. Due to their arrangement outside the sealing area contamination of the light source is prevented by cooking liquid. In addition, a thermal stress of the light source is reduced.
- the light source of the illumination device is held in the muffle flange.
- an assembly-technically favorable installation location is provided, since the light source is easily accessible and easily replaceable when the cooking appliance door is open.
- Conventional light sources for illuminating the cooking chamber of the cooking appliance muffle have a power between 40 and 100 W. Accordingly, the light source heats up during operation. To increase the life of the light source, it is advantageous to prevent overheating of the light source. It is therefore particularly advantageous to arrange the light source immediately adjacent to a door hinge provided in the cooking appliance, ie spaced apart from it by a distance of 5 to 6 cm. Door hinges are usually massive sheet metal profile parts with a correspondingly high heat storage capacity. As a result, an advantageous heat dissipation from the light source to the door hinge. In order to enable heat transfer by thermal radiation, it is preferable to arrange both the light source and the door hinge in a hollow chamber. The hollow chamber is preferably sealed off from a heat insulating jacket, which usually surrounds the cooking chamber.
- a heat dissipation of the waste heat of the light source can be further prevented by the fact that the light source is arranged in an air duct.
- a guided through the air duct air flow allows advantageous cooling of the light source.
- a forced air flow and / or air convection flow may occur during operation of the cooking appliance in the air duct.
- the light source outside the cooking appliance door, while the associated reflector is disposed within the cooking appliance door.
- Losses of light can occur in particular in a gap between the light source and the cooking appliance door.
- a light channel element is arranged, through which the light of the light source is transmitted to the cooking appliance door.
- the light channel element may preferably be in detachable engagement with the cooking appliance door or slightly spaced therefrom. When the cooking appliance door is open thus the light channel element is arranged separately from the door, whereby the inside of the door is easily cleaned.
- the optical window in the cooking appliance door may be formed in a recess into which the light source or the light guide element extends.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electric Stoves And Ranges (AREA)
- Electric Ovens (AREA)
Description
Die Erfindung betrifft ein Gargerät mit einem Garraum und einer Gargerätetür zum Schließen des Garraums sowie einer Beleuchtungseinrichtung zum Beleuchten des Garraums, die zumindest einen Reflektor aufweist, der in einem Türinnenraum der Gargerätetür angeordnet ist und Licht einer Lichtquelle der Beleuchtungseinrichtung in den Garraum reflektiert.The invention relates to a cooking appliance having a cooking chamber and a cooking appliance door for closing the cooking chamber and a lighting device for illuminating the cooking chamber, which has at least one reflector which is arranged in a door interior of the cooking appliance door and reflects light from a light source of the lighting device in the cooking chamber.
Die
Aus
Aus
Die Aufgabe der Erfindung besteht darin, ein Gargerät bereitzustellen, bei dem ein dauerhaft zuverlässiger Betrieb der Beleuchtungseinrichtung gewährleistet ist.The object of the invention is to provide a cooking appliance in which a permanently reliable operation of the lighting device is ensured.
Die Aufgabe der Erfindung ist durch ein Gargerät mit den Merkmalen des Patentanspruches 1 gelöst. Gemäß dem Patentanspruch 1 ist eine Lichtquelle der Beleuchtungseinrichtung außerhalb der Gargerätetür vorgesehen und in optischer Verbindung mit einem im Türinnenraum angeordneten Reflektor. Da die Lichtquelle außerhalb der Gargerätetür vorgesehen ist, wird die Lichtquelle nicht durch Erschütterungen beim Öffnen und Schließen der Gargerätetür mechanisch beansprucht. Dadurch ist ein ausreichend zuverlässiger Betrieb der Lichtquelle der Beleuchtungseinrichtung gewährleistet.The object of the invention is achieved by a cooking appliance with the features of
Es ist vorgesehen, dass die Lichtquelle unterhalb eines Muffelbodens angeordnet ist. Dadurch ist eine räumliche Trennung der Lichtquelle von den oberhalb der Gargutgerätemuffel angeordneten elektronischen Komponenten des Gargerätes erreicht. Die elektronischen Komponenten sind daher von der Abwärme der Lichtquelle geschützt. Darüber hinaus erfolgt keine zusätzliche Erwärmung des Türgriffs der Gargerätetür aufgrund der Abwärme der Lichtquelle.It is envisaged that the light source is arranged below a muffle floor. As a result, a spatial separation of the light source is achieved by the above the Gargutgerätemuffel arranged electronic components of the cooking appliance. The electronic components are therefore protected from the waste heat of the light source. In addition, there is no additional heating of the door handle of the cooking appliance door due to the waste heat of the light source.
Besonders vorteilhaft ist es, wenn die Lichtquelle außerhalb eines zwischen der Garraumtür und einem die Garraumöffnung umziehenden Muffelflansch vorgesehenen Dichtbereich angeordnet ist. Aufgrund ihrer Anordnung außerhalb des Dichtbereiches ist eine Verschmutzung der Lichtquelle durch Gargutflüssigkeit verhindert. Darüber hinaus ist eine Wärmebeanspruchung der Lichtquelle verringert.It is particularly advantageous if the light source is arranged outside a sealing region provided between the cooking chamber door and a muffle flange that moves the cooking chamber opening. Due to their arrangement outside the sealing area contamination of the light source is prevented by cooking liquid. In addition, a thermal stress of the light source is reduced.
Vorteilhaft kann es sein, wenn die Lichtquelle der Beleuchtungseinrichtung in dem Muffelflansch gehaltert ist. Dadurch ist ein montagetechnisch günstiger Einbauort bereitgestellt, da die Lichtquelle bei geöffneter Gargerätetür einfach zugänglich und problemlos austauschbar ist.It can be advantageous if the light source of the illumination device is held in the muffle flange. As a result, an assembly-technically favorable installation location is provided, since the light source is easily accessible and easily replaceable when the cooking appliance door is open.
Herkömmliche Lichtquellen zur Beleuchtung des Garraums der Gargerätemuffel weisen eine Leistung zwischen 40 und 100 W auf. Entsprechend erwärmt sich die Lichtquelle im Betrieb. Zur Erhöhung der Lebensdauer der Lichtquelle ist es vorteilhaft, eine Überhitzung der Lichtquelle zu verhindern. Es ist daher besonders günstig, die Lichtquelle unmittelbar neben einem im Gargerät vorgesehen Türscharnier, d.h. bis zu einem Abstand von 5 bis 6 cm davon beabstandet, anzuordnen. Türscharniere sind üblicherweise massive Blechprofilteile mit einem
entsprechend hohen Wärmespeichervermögen. Dadurch ist eine vorteilhafte Wärmeableitung von der Lichtquelle zu dem Türscharnier. Um eine Wärmeübertragung durch Wärmestrahlung zu ermöglichen, ist es bevorzugt, sowohl die Lichtquelle als auch das Türscharnier in einer Hohlkammer anzuordnen. Die Hohlkammer ist bevorzugt gegenüber einen Wärmeisoliermantel abgeschottet, der üblicherweise die Garraum umgibt.Conventional light sources for illuminating the cooking chamber of the cooking appliance muffle have a power between 40 and 100 W. Accordingly, the light source heats up during operation. To increase the life of the light source, it is advantageous to prevent overheating of the light source. It is therefore particularly advantageous to arrange the light source immediately adjacent to a door hinge provided in the cooking appliance, ie spaced apart from it by a distance of 5 to 6 cm. Door hinges are usually massive sheet metal profile parts with a
correspondingly high heat storage capacity. As a result, an advantageous heat dissipation from the light source to the door hinge. In order to enable heat transfer by thermal radiation, it is preferable to arrange both the light source and the door hinge in a hollow chamber. The hollow chamber is preferably sealed off from a heat insulating jacket, which usually surrounds the cooking chamber.
Im Falle einer unterhalb des Muffelbodens angeordneten Lichtquelle ist es weiter günstig, zwischen der Lichtquelle und der Unterhitzeheizeinrichtung ein Hitzeschutzelement anzuordnen.In the case of a light source arranged below the muffle bottom, it is further favorable to arrange a heat protection element between the light source and the lower heat heater.
Eine Wärmeableitung der Abwärme der Lichtquelle kann darüber hinaus dadurch verhindert werden, dass die Lichtquelle in einem Luftführungskanal angeordnet ist. Eine durch den Luftführungskanal geführte Luftströmung ermöglicht eine vorteilhafte Kühlung der Lichtquelle. In diesem Fäll kann sich im Betrieb des Gargeräts im Luftführungskanal eine erzwungene Luftströmung und/oder Luftkonvektionsströmung einstellen.A heat dissipation of the waste heat of the light source can be further prevented by the fact that the light source is arranged in an air duct. A guided through the air duct air flow allows advantageous cooling of the light source. In this case, a forced air flow and / or air convection flow may occur during operation of the cooking appliance in the air duct.
Bei dem erfindungsgemäßen Gargerät ist die Lichtquelle außerhalb der Gargerätetür, während der zugeordnete Reflektor innerhalb der Gargerätetür angeordnet ist. In diesem Fall ist es für eine hohe Lichtausbeute günstig, wenn Lichtverluste beim Übertragen des Lichts von der Lichtquelle in die Gargerätetür miniert sind. Dies kann erreicht werden, wenn in der Gargerätetür ein optisches Fenster vorgesehen wird, durch das das Licht der Lichtquelle strahlt.In the cooking appliance according to the invention, the light source outside the cooking appliance door, while the associated reflector is disposed within the cooking appliance door. In this case, it is favorable for a high luminous efficacy when light losses are minimized when transmitting the light from the light source to the cooking appliance door. This can be achieved if in the cooking appliance door, an optical window is provided, through which the light of the light source radiates.
Lichtverluste können insbesondere in einem Zwischenraum zwischen der Lichtquelle und der Gargerätetür auftreten. Hier ist es bevorzugt, wenn in dem Zwischenraum ein Lichtkanalelement angeordnet ist, durch das das Licht der Lichtquelle zur Gargerätetür übertragen wird.Losses of light can occur in particular in a gap between the light source and the cooking appliance door. Here it is preferred if in the intermediate space a light channel element is arranged, through which the light of the light source is transmitted to the cooking appliance door.
Das Lichtkanalelement kann bevorzugt in lösbarer Anlage mit der Gargerätetür oder geringfügig davon beabstandet sein. Bei geöffneter Gargerätetür ist somit das Lichtkanalelement separat von der Tür angeordnet, wodurch die Innenseite der Tür problemlos reinigbar ist. In einer weiteren Ausführungsform das optische Fenster in der Gargerätetür in einer Vertiefung ausgebildet sein, in die sich die Lichtquelle oder das Lichtführungselement hinein erstreckt.The light channel element may preferably be in detachable engagement with the cooking appliance door or slightly spaced therefrom. When the cooking appliance door is open thus the light channel element is arranged separately from the door, whereby the inside of the door is easily cleaned. In a further embodiment, the optical window in the cooking appliance door may be formed in a recess into which the light source or the light guide element extends.
Claims (12)
- Cooking device having a cooking compartment (1) and a cooking device door (9) for closing the cooking compartment (1), and an illumination device (21, 39) for illuminating the cooking compartment (1), which has at least one reflector (39) which is arranged in a door interior (37) of the cooking device door (9) and reflects light from a light source (21) of the illumination device into the cooking compartment (1), characterised in that the light source (21) is arranged outside the cooking device door (9) and radiates light in the direction of the reflector (39), wherein the light source (21) is arranged underneath a muffle floor.
- Cooking device according to claim 1, characterised in that the light source (21) is arranged outside a sealing region (15) provided between the cooking device door (9) and a muffle flange (13) surrounding a cooking compartment opening (5).
- Cooking device according to claim 2, characterised in that the light source (21) is supported in the muffle flange (13).
- Cooking device according to one of the preceding claims, characterised in that the light source (21) is arranged immediately adjacent to a door hinge (11) provided in the cooking device.
- Cooking device according to one of the preceding claims, characterised in that the light source (21) is disconnected from a bottom heat heating device (17) by means of a heat protection element (63).
- Cooking device according to one of the preceding claims, characterised in that the light source (21) is arranged in an air guide duct (67).
- Cooking device according to claim 6, characterised in that during operation of the cooking device a forced air flow and/or an air convection flow is generated in the air duct (67).
- Cooking device according to one of the preceding claims, characterised in that an optical window (53) is formed in the cooking device door (9), through which the light source radiates light to the reflector (39).
- Cooking device according to claim 8, characterised in that a light channel element (58) is arranged between the light source (21) and the cooking device door (9), through which the light source (21) radiates light to the reflector (39).
- Cooking device according to claim 9, characterised in that the light channel element (58) is releasably attached to or slightly spaced apart from the cooking device door (9).
- Cooking device door according to one of claims 8 to 10, characterised in that the optical window (53) is formed in a recess (29) of the cooking device door (9), into which the light source (21) or the light channel element (58) extends.
- Cooking device according to one of the preceding claims, characterised in that the light source (21) and a stationary part (68) of a door hinge (11) are arranged in a hollow compartment (65).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04729105T PL1623159T3 (en) | 2003-04-25 | 2004-04-23 | Cooking device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10318859A DE10318859A1 (en) | 2003-04-25 | 2003-04-25 | Cooking appliance |
PCT/EP2004/004328 WO2004097305A1 (en) | 2003-04-25 | 2004-04-23 | Cooking device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1623159A1 EP1623159A1 (en) | 2006-02-08 |
EP1623159B1 true EP1623159B1 (en) | 2018-10-17 |
Family
ID=33154433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04729105.9A Expired - Lifetime EP1623159B1 (en) | 2003-04-25 | 2004-04-23 | Cooking device |
Country Status (7)
Country | Link |
---|---|
US (1) | US7157667B2 (en) |
EP (1) | EP1623159B1 (en) |
DE (1) | DE10318859A1 (en) |
ES (1) | ES2700460T3 (en) |
PL (1) | PL1623159T3 (en) |
TR (1) | TR201816005T4 (en) |
WO (1) | WO2004097305A1 (en) |
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US6320164B2 (en) * | 2000-03-06 | 2001-11-20 | Pilkington North America, Inc. | Oven window including a thermally activated, light scattering device |
DE10032733C2 (en) * | 2000-07-05 | 2003-08-21 | Schott Glas | Viewing window for household appliances |
WO2003036176A1 (en) * | 2001-10-25 | 2003-05-01 | BSH Bosch und Siemens Hausgeräte GmbH | Lighting device for baking ovens |
DE10204612A1 (en) * | 2001-10-25 | 2003-05-15 | Bsh Bosch Siemens Hausgeraete | Lighting device for ovens |
-
2003
- 2003-04-25 DE DE10318859A patent/DE10318859A1/en not_active Withdrawn
-
2004
- 2004-04-23 TR TR2018/16005T patent/TR201816005T4/en unknown
- 2004-04-23 EP EP04729105.9A patent/EP1623159B1/en not_active Expired - Lifetime
- 2004-04-23 ES ES04729105T patent/ES2700460T3/en not_active Expired - Lifetime
- 2004-04-23 WO PCT/EP2004/004328 patent/WO2004097305A1/en active Application Filing
- 2004-04-23 PL PL04729105T patent/PL1623159T3/en unknown
-
2005
- 2005-10-21 US US11/256,355 patent/US7157667B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
DE10318859A1 (en) | 2004-11-11 |
EP1623159A1 (en) | 2006-02-08 |
PL1623159T3 (en) | 2019-03-29 |
ES2700460T3 (en) | 2019-02-15 |
US20060049188A1 (en) | 2006-03-09 |
WO2004097305A1 (en) | 2004-11-11 |
US7157667B2 (en) | 2007-01-02 |
TR201816005T4 (en) | 2018-11-21 |
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