EP3704413A1 - Appareil de cuisson doté d'un dispositif d'éclairage destiné à produire un point focal extérieur au boîtier - Google Patents

Appareil de cuisson doté d'un dispositif d'éclairage destiné à produire un point focal extérieur au boîtier

Info

Publication number
EP3704413A1
EP3704413A1 EP18795358.3A EP18795358A EP3704413A1 EP 3704413 A1 EP3704413 A1 EP 3704413A1 EP 18795358 A EP18795358 A EP 18795358A EP 3704413 A1 EP3704413 A1 EP 3704413A1
Authority
EP
European Patent Office
Prior art keywords
light
door
cooking appliance
housing
lighting device
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.)
Pending
Application number
EP18795358.3A
Other languages
German (de)
English (en)
Inventor
Maxim Balzer
Peter Jell
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
Publication of EP3704413A1 publication Critical patent/EP3704413A1/fr
Pending legal-status Critical Current

Links

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
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6444—Aspects relating to lighting devices in the microwave cavity

Definitions

  • Cooking appliance with a lighting device for generating a housing-external focal point
  • the invention relates to a cooking appliance with a housing in which a cooking chamber is formed.
  • the cooking appliance also has a door, which is movably arranged on the housing and is designed to close the cooking chamber.
  • the cooking appliance furthermore has a lighting device which has at least one light source.
  • the lighting device is arranged at least with partial components on the housing.
  • the cooking appliance can be illuminated inside.
  • light sources are arranged externally to the door, wherein by means of additional optical elements, such as
  • the light can then be passed into the oven.
  • a space located in front of the cooking chamber can be illuminated by the light sources of the lighting device, for example, to be able to illuminate an extended food support from above.
  • a lighting device has a light source, which is arranged in the front region of a housing and is arranged externally to a door. Externally to the door beyond a light guide is arranged.
  • a further light guide is arranged on the door, which couples in the closed state of the door with the door-external light light, so that the light from the light source via the two light guides can be introduced into the door.
  • the door-side optical fiber is movably disposed relative to the door.
  • a cooking appliance having the features of claim 1.
  • One aspect of the invention relates to a cooking appliance with a housing in which a cooking chamber is formed.
  • the cooking appliance also has a door.
  • the door is movably arranged on the housing. It is also designed to close the cooking chamber.
  • the cooking appliance furthermore has a lighting device which has at least one light source.
  • the lighting device is arranged at least with subcomponents on the housing and arranged outside the door at least with subcomponents.
  • the lighting device has an optical device, which is designed for the defined influencing of the light beams of the light source such that the light beams are bundled outside the housing in a focal point.
  • the optical device has at least one optically acting focusing element, such as a converging lens or a parabolic mirror or the like, which is arranged in the housing.
  • this housing-side optical focusing element is then such that light beams emitted by the light source are bundled with this focusing element in such a way that a defined focus is produced in a defined manner outside the housing and thus at the exit of the light beams from the housing.
  • this at least one focus or this at least one focal point is formed or generated at a defined distance from an outer wall of the housing.
  • the distance is preferably between 0 cm and 5 cm, in particular between 0 cm and 4 cm, in particular between 0 cm and 3 cm, in particular between 0 cm and 2 cm, for example between 0.5 cm and 1, 5 cm.
  • the focal point is thus placed relatively close to the housing, so that just after the focus takes place again given fanning the light beams to a widened light cone is advantageous in that, for example, in a solid food support, thus in an anteroom to the cooking appliance (in the depth direction of the cooking appliance considered), can be illuminated as large as possible.
  • this embodiment that the food support is illuminated from above with this one light source at least 50 percent of its surface, preferably at least 70 percent of its surface.
  • the door has at least one optical element of the lighting device, in which light rays of the light source in
  • Closed state of the door are preferably coupled.
  • the focus is in the closed state of the door at a coupling end of the optical element or within a distance interval considered in the direction of light propagation of preferably +/- 3 cm, in particular +/- 2cm, in particular +/- 1 cm thereto.
  • Lighting device which is arranged outside the housing and inside the door.
  • Lighting device is thus arranged in this embodiment in sub-components also inside the door. It is preferably provided that this coupling end has an area which is greater than the area of the focal point.
  • the lighting device has a light guide, which is arranged in the door. With the light-light device, in the closed state of the door, light beams radiated by the light source can be radiated forward out of the door and / or backwards out of the door viewed in the depth direction of the cooking appliance. By means of such a configuration, in the closed state of the door, specific areas in front of the door and thus outside the cooking appliance can be illuminated individually.
  • the lighting device is designed to illuminate an anteroom lying in front of a feed opening of the cooking chamber in the depth direction of the cooking appliance when the door is open.
  • the vestibule is arranged at such a distance from the focal point that the illumination of the vestibule takes place with a light cone that has been widened again in the direction of the propagation of the light beams after the focal point. This can be done as large as possible and uniform or homogeneous illumination of the vestibule. Just when, for example, with the door open a food support from the cooking chamber is at least partially pulled out and is in this vestibule, this food support can be illuminated from above through this widened light cone over a large area and illuminated, in particular to be broadcast very homogeneously.
  • the lighting device has a first
  • the lighting device has at least one second operating mode, in which the light beams are radiated out of the housing in a second luminous flux different from the first luminous flux at the light exit region.
  • the execution of the first operating mode is coupled to a first position of the door and / or the execution of the second
  • Operating mode is coupled to a second position of the door.
  • the individual luminous flux of the lighting device is automatically adjusted depending on the respective position of the door. This can be done for example via a control unit.
  • the first position of the door is a fully closed position and / or the second position of the door is such a position in which an anteroom forms in front of a feed opening of the cooking chamber, which is bounded down through the door.
  • the luminous flux is higher than in the second operating mode.
  • a higher luminous flux can be generated to provide sufficient illumination in the interior of the oven, so that even through the closed door, the cooking chamber can be observed improved for a user .
  • the blasting of the door external to the device and thus in particular, for example, carried forward with a higher luminous flux so that an individual lighting of areas in advance is improved even when the door is closed.
  • components in the door that are to be individually illuminated can then be illuminated with a higher luminous flux in this respect, so that the front perceptibility of an observer who sees the door at the front is improved.
  • the light beams are generated with a higher luminous flux than in the first operating mode.
  • This can be a comprehensive illumination
  • a food support can thus be illuminated sufficiently bright with a minimized number of light sources in its withdrawn state from the oven from above.
  • the light beams with individual light intensity can be generated in the different operating states.
  • variable light intensity at least one orifice is advantageous in this regard.
  • the two different luminous fluxes in the at least two different operating states differ by at least the value of 50 lumens.
  • the difference of the luminous fluxes in different operating states can also be dependent on the number of light sources of the lighting device, which are then each used for individual illumination, for example, of an anteroom in front of the cooking chamber. The same can also be done depending on how many
  • Light sources of a lighting device are present and find for a coupling of light rays in the door with the door closed use.
  • the at least one housing-side light source of the lighting device viewed in the depth direction in the region of a control panel or a switch front or a flange, for example one
  • At least one light aperture with the door open serves as a planar light source for illuminating the antechamber and is designed accordingly, so that a correspondingly expanded light cone acts here.
  • the housing-side optical element of the lighting device is advantageously formed such that it has a focusing effect and in this respect forms the housing-side external focal point.
  • the door-side optical element of the lighting device may be a light guide or an optical fiber connection. It can be provided an optical fiber or a plurality of optical fibers. In addition or instead of this, at least one lens or a reflector or a mirror can also be used.
  • the mentioned optical elements can be made of different ones
  • the illumination device inside the door has an optical element whose coupling-in region, in which the light beams emitted by the housing are coupled in, is designed as an optically acting collection region.
  • this collecting region can be designed as a lens convex at least on one side or a concave lens on at least one side.
  • the lighting device thus preferably has at least two separate optical elements, of which an optical element is arranged outside and inside the housing, and the second optical element is arranged outside the housing and inside the door.
  • these at least two optical elements are each designed as optical focusing elements.
  • two lenses may be provided here, or a lens and a lens
  • Optical fiber which is designed as a fiber optic or fiber optic rod, or a lens and a mirror or a lens and a reflector may be provided.
  • the housing-side configuration of the optical element is such that this optical Element has a focal point at a distance between 0.5 cm and 2 cm, in particular between 0.5 cm and 1, 5 cm, in particular 1 cm.
  • the optical element which is arranged on the housing side, is offset back inwards to the outer wall, from which the light exits from the housing. As a result, this optical element is protected accordingly. This also provides some protection against unwanted light scattering in the device.
  • a pipe section can be arranged between the lens and the outer wall or a lateral panel can be formed.
  • Pipe piece or a diaphragm can also be such that the pipe section or the aperture is formed on the inside with a, for example, frosted, dark surface.
  • the further optical element which is arranged on the door side, can be attached to the
  • Einkoppel Symposium be formed with a concave surface or flat. It can be provided that this light collecting region of the optical element, which is arranged on the door side, integrated and thus formed integrally with this optical element. This avoids further media transfer of the light rays in the door between separate optical elements.
  • this optical element in particular the coupling-in region, which is preferably designed as a light-collecting region, is arranged set back in relation to an outer side of the door inwards.
  • this optical element in an upper region of the door, for example in an upper cover, which also as
  • Top panel is called, is arranged.
  • Lighting device for generating light beams is formed in a first light color and at least for generating light beams is formed in a first different second light color.
  • the illumination device is designed to generate a continuous light of the light beams and / or of a pulsed light of the light beams.
  • different operating functions of the cooking appliance are visually displayed by the different light colors and / or different values of operating parameters of at least one operating function of the cooking appliance are optically displayed.
  • the light beams differ depending on a pulse frequency
  • the light source is a light-emitting diode. It can also be a multicolor LED. It is preferably provided that the
  • Lighting device has a light source that generates light rays with which an anteroom in the depth direction in front of the cooking chamber can be illuminated when the door is open and also generates light rays which are radiated from the housing into the door when the door is closed. There are then with a single light source light beams for different uses or different specific
  • the lighting device has at least two light sources, each of which is designed for this above-mentioned functionality.
  • these light sources viewed in the height direction of the cooking appliance above the
  • Another independent aspect of the invention relates to a cooking appliance with a housing in which a cooking chamber is formed.
  • the cooking appliance also has a door, which is movably arranged on the housing and is designed to close the cooking chamber.
  • the cooking appliance furthermore has a lighting device which has a light source.
  • the lighting device is arranged at least with partial components on the housing.
  • the lighting device has a first
  • Another independent aspect of the invention relates to a cooking appliance with a housing in which a cooking chamber is formed.
  • the cooking appliance also has a door, which is movably arranged on the housing and which is designed to close the cooking chamber.
  • the cooking appliance furthermore has a lighting device which has at least one light source.
  • the lighting device is arranged at least with partial components on the housing.
  • the lighting device has an optical device, which has a first optical focusing element in the housing, and which has a separate second optical focusing element, which is arranged in the door.
  • Embodiments of the above-mentioned first independent aspect of the invention are to be considered as advantageous embodiments of the further independent aspects.
  • top, bottom, front, “rear”, “horizontal”, “vertical”, “depth direction”, “width direction”, “height direction”, etc. are the positions given when the device was used and disposed as intended and orientations indicated.
  • Fig. 1 is a schematic front view of an embodiment of a
  • Fig. 2 is a perspective view of the cooking appliance according to FIG. 1 with
  • FIG. 3 is a side view of the cooking appliance of FIG. 1; FIG.
  • Fig. 5 is a further schematic representation of subcomponents of
  • Lighting apparatus shows an enlarged view of the cooking appliance according to FIG. 1 to FIG. 3 in a partial section with the door closed;
  • FIG. 7 shows an exemplary representation of a partial region of an optical element of the illumination device, which is arranged on the door side.
  • a cooking appliance 1 is shown in a front view, which may be for example an oven or a steam cooker or a Mikrowellengar Market.
  • the cooking appliance 1 has a housing 2, in which a cooking chamber 3 is designed for preparing food.
  • the cooking chamber 3 is bounded by walls of a muffle, which is arranged in the housing 2.
  • Front side, the muffle and thus also the cooking chamber 3 a Charging opening 4 (Fig. 2), which is closed by a door 5.
  • the door 5 is arranged here pivotably on the housing 2, the door 5 has, for example, a handle 6 and is at least partially formed with a transparent region 7, through which the door 5 can be seen through in the closed state and thus can be seen in the cooking chamber 3 ,
  • the cooking appliance 1 also has in
  • the cooking appliance 1 is shown in a perspective view and with the door 5 open. Furthermore, a separate food support 10 is shown in FIG. 2, which can be, for example, a baking sheet or a grate or the like. On the food support 10, a food to be cooked 1 1 is applied here by way of example.
  • the food support 10 is here pulled out in the depth direction (z-direction) from the cooking chamber 3 and is thus considered in the depth direction in an anteroom 12 in front of the cooking chamber 3.
  • the cooking appliance 1 also has a lighting device 13. Im shown
  • the lighting device 13 a first light source 14, which may be, for example, a light emitting diode, in particular a multi-color light-emitting diode.
  • a first light source 14 viewed in the vertical direction (y direction) above the cooking chamber 3 and adjacent to the
  • Charging opening 4 is arranged.
  • a second light source 15 of the lighting device 13 is provided here.
  • Light sources 14 and 15 are arranged in the width direction (x-direction), on opposite sides of the housing 2 and disposed in the housing 2, respectively. They can be arranged, for example, in the area of the control panel 8 or on a vertical respective slat, which represents a front-side viewing component. They may also be arranged, for example, on a front flange, in particular the muffle.
  • FIG. 3 the cooking appliance 1 according to FIG. 2 is shown in a side view.
  • the vestibule 12 can be seen here. It is illuminated here by the illumination device 13, in particular the light beams 16 and 17 of the light sources 14 and 15.
  • the rays of light 16, 17 here each form an expanded cone of light 22, which is directed obliquely forward and downward and the food support 10 illuminated from above.
  • the illumination device 13 has an optical device 18, as shown in the exemplary illustration in FIG. 4.
  • the optical device 18 is designed for defined influencing of the light beams of the light sources 14, 15 such that these light beams are bundled outside the housing 2 in a focal point 19.
  • the focal point 19 is formed at a defined distance from an optical element 20 of the optical device 18 and thus in particular at a defined distance from an outer wall 21 of the housing 2.
  • a distance A is between 0 cm and 2 cm.
  • the light beams 16 which are shown here by way of example, are concentrated in the focal point 19 and then expand after the light beam 16
  • Focus point 19 viewed in the direction of light propagation, again and form the already mentioned in this respect light cone 22, as can be seen in Fig. 2 and Fig. 3, only when the door 5 is open.
  • Fig. 5 is a schematic view of an enlarged view of this
  • the optical device 18 has a door-external and here housing internal optical element 20, which is a first
  • Focusing element is.
  • the illumination device 13 has a housing-external and intra-door further optical element 23, as shown by way of example in Fig. 7.
  • This further optical element 23 may also be formed in an advantageous embodiment as at least partially focusing element.
  • a coupling-in region 24 of this optical element 23 has a concave surface 25. Due to the orientation of the light beams 16 or 17 incident in the coupling-in region 24, this concave surface 25 acts here collecting or bundling.
  • This surface can also be designed otherwise, for example, be designed flat.
  • this optical element 23, which is arranged in the door 5, thus has, in particular, a focusing area or light collecting area, which can also be integrated and thus formed in one piece with the optical element 23.
  • This Lichteinkoppel Symposium 24 which is a coupling end of the optical element 23, the light emitted from the housing 2 of the light sources 14 and 15 can be coupled in the closed state of the door 5.
  • this optical element 23 is arranged in the door 5 in such a way that the coupling-in region 24 in the closed state of the door 5 at the focal point 19 or within a distance interval of +/- 1, 0 cm at this
  • Focus 19 is arranged.
  • Fig. 6 in which a portion of a
  • the optical element 20 which is only symbolically shown here, faces the optical device 18 directly adjacent to the coupling region 24. As is shown in FIG. 4, this optical element 20 can be set back inwards relative to the outer wall 21. In this regard, as shown in Fig. 4 then a diaphragm area or a pipe section 26 may be provided. This can be formed matt on the inside in an advantageous embodiment. In another embodiment, it may be provided that this optical element 20, as shown symbolically in FIG. 6, extends up to the outer wall 21 or even is arranged standing beyond.
  • the door 5 is set back inside, at the focal point 19 or within the aforementioned distance interval of +/- 1, 0 cm.
  • the lighting device 13 in the closed state of the door 5 via the optical device 18 in the optical element 23rd coupled light or light beams 16, 17 radiates out of the door 5 out into the cooking chamber 3, as indicated in Fig. 6, and / or viewed in the depth direction the cooking chamber 3 facing away from the door 5 radiates forward, as also shown in FIG 6 is indicated.
  • the lighting device 13 has a light-guiding device 29 in the door 5, which offers these emission possibilities when the door 5 is closed.
  • the illumination device 13 has a first operating mode in which the light beams 16, 17, as emitted by the light sources 14, 15, are emitted from the housing 2 with a first luminous flux at a first light exit region, and the
  • Lighting device 13 has at least one second operating mode in which these light beams 16, 17 are emitted from the housing 2 with a second luminous flux different from the first luminous flux at the light exit region.
  • This light exit region can be, for example, the exit opening on the outer wall 21 or the light outcoupling region 29 (FIG. 4) of the optical element 20, which is the last optical element in front of the outer wall 21 in the direction of the light propagation with possibly a plurality of existing optical elements in the housing 2.
  • the carrying out of the first operating mode is coupled to a first position of the door 5 and / or the execution of the second operating mode is coupled to a second position of the door.
  • the first position of the door 5 may preferably be the fully closed position, as shown in Fig. 6 and Fig. 1.
  • the second position of the door 5 is one in which an anteroom 12 is formed in front of the feed opening 4 of the cooking chamber 3, said antechamber 12 is limited by the at least partially open door 3 downwards. It can also be provided that the
  • Lighting device 13 for generating light beams 16, 17 is formed in a first light color and at least for generating light beams 16, 17 is formed in a first different second light color. In addition or instead of this, provision may also be made for the lighting device 13 to generate a continuous light of the light beams 16, 17 and / or a pulsed light of the light beam
  • Light beams 16, 17 is formed.
  • an individual assignment to different operating states can take place, so that, for example, in one Operating state, the light beams 16, 17 are generated in a continuous light, and in a second operating state, a pulsed light of the light beams is generated.
  • a specific operating function of the cooking appliance 1 is optically displayed and / or a specific value of an operating parameter of at least one

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Ovens (AREA)

Abstract

L'invention concerne un appareil de cuisson (1) comprenant un boîtier (2) dans lequel est formé un espace de cuisson (3), une porte (5) qui est montée mobile sur le boîtier (2) et qui est conçue pour refermer l'espace de cuisson (3), et un dispositif d'éclairage (13) qui présente au moins une source de lumière (14, 15), le dispositif d'éclairage (13) étant monté au moins avec des composants partiels sur le boîtier (2), le dispositif d'éclairage (13) présentant un dispositif optique (18) qui est conçu pour agir de façon définie sur les faisceaux lumineux (16, 17) de la source de lumière (14, 15) de sorte que les faisceaux lumineux (16, 17) sont dirigés sur un point focal (19) à l'extérieur du boîtier (2).
EP18795358.3A 2017-11-02 2018-10-22 Appareil de cuisson doté d'un dispositif d'éclairage destiné à produire un point focal extérieur au boîtier Pending EP3704413A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017219497.9A DE102017219497A1 (de) 2017-11-02 2017-11-02 Gargerät mit einer Beleuchtungsvorrichtung zur Erzeugung eines gehäuseexternen Brennpunkts
PCT/EP2018/078829 WO2019086281A1 (fr) 2017-11-02 2018-10-22 Appareil de cuisson doté d'un dispositif d'éclairage destiné à produire un point focal extérieur au boîtier

Publications (1)

Publication Number Publication Date
EP3704413A1 true EP3704413A1 (fr) 2020-09-09

Family

ID=64049103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18795358.3A Pending EP3704413A1 (fr) 2017-11-02 2018-10-22 Appareil de cuisson doté d'un dispositif d'éclairage destiné à produire un point focal extérieur au boîtier

Country Status (3)

Country Link
EP (1) EP3704413A1 (fr)
DE (1) DE102017219497A1 (fr)
WO (1) WO2019086281A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1005769S1 (en) 2021-09-08 2023-11-28 Newage Products Inc. Oven

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5960785A (en) * 1997-05-28 1999-10-05 American Trim, Llc Cooking range oven having insulated oven door with viewing system
DE10204612A1 (de) * 2001-10-25 2003-05-15 Bsh Bosch Siemens Hausgeraete Beleuchtungsreinrichtung für Backöfen
DE102007058942A1 (de) * 2007-12-07 2009-06-10 BSH Bosch und Siemens Hausgeräte GmbH Gargerät
FR2936859B1 (fr) * 2008-10-03 2012-12-21 Fagorbrandt Sas Four de cuisson comprenant un dispositif d'eclairage integre dans un bandeau de commande.
DE102009000655B3 (de) 2009-02-06 2010-09-09 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät zur Zubereitung von Lebensmitteln
DE102010003115A1 (de) 2010-03-22 2011-09-22 BSH Bosch und Siemens Hausgeräte GmbH Gargerät
US8405003B2 (en) * 2010-11-19 2013-03-26 General Electric Company Oven having diffuse light pipe assembly
DE102012224034A1 (de) * 2012-12-20 2014-06-26 BSH Bosch und Siemens Hausgeräte GmbH Beleuchtungseinrichtung für Gargeräte

Also Published As

Publication number Publication date
WO2019086281A1 (fr) 2019-05-09
DE102017219497A1 (de) 2019-05-02

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