EP3390915A1 - Speisenbehandlungsgerät - Google Patents
SpeisenbehandlungsgerätInfo
- Publication number
- EP3390915A1 EP3390915A1 EP16801818.2A EP16801818A EP3390915A1 EP 3390915 A1 EP3390915 A1 EP 3390915A1 EP 16801818 A EP16801818 A EP 16801818A EP 3390915 A1 EP3390915 A1 EP 3390915A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- muffle
- treatment device
- distribution element
- food treatment
- 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.)
- Withdrawn
Links
- 235000013305 food Nutrition 0.000 title claims abstract description 42
- 238000005286 illumination Methods 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 238000009304 pastoral farming Methods 0.000 claims description 2
- 238000010411 cooking Methods 0.000 abstract description 45
- 230000005855 radiation Effects 0.000 description 9
- 239000011521 glass Substances 0.000 description 8
- 229920001296 polysiloxane Polymers 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000003667 anti-reflective effect Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 235000012459 muffins Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/0008—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted at the end of the fibre
-
- 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 food processing device comprising a muffle interior surrounded by a muffle and a light generating device arranged outside the muffle for irradiating light into the muffle interior through an opening in the muffle.
- the invention is particularly advantageously applicable to cooking appliances with a furnace functionality and / or with a microwave functionality.
- DE 10 2012 223 465 A1 discloses a cooking appliance having a cooking appliance muffle and a light source arranged outside the muffle for illuminating the muffle interior through an opening of a muffle wall, wherein the light source is arranged below the opening and at least one optical element for beam deflection of the light of the light source in the Muffleinnenraum is provided.
- DE 10 2012 223 678 A1 discloses a lighting device for a cooking chamber of a cooking appliance, which comprises at least one light source and at least one light guide.
- the at least one optical waveguide is represented as an elongate element, and at least one part of the circumference of the optical waveguide has at least one structural region in which at least one structure is introduced. Furthermore, a cooking appliance is described with a lighting device.
- DE 10 2005 005 267 A1 discloses a device for heating food with a housing wall, which defines a cooking chamber, and a lighting device for the cooking chamber, wherein it has a light source with at least one light exit opening and wherein at the light exit opening a diffuser, preferably a diffuser or scattering plate, made of a temperature-resistant material connects, which scatters the light of the light source in the cooking chamber.
- DE 10 2013 005 988 A1 discloses an electrical domestic appliance, namely a refrigerator and / or freezer or oven, with at least one light panel illuminating an interior of the appliance and a light on at least one narrow side of the light panel in this light source device coupling.
- the light source device has at least a light-emitting diode and a lens optics, which collects at least a majority of the light emitted by the light emitting diode and directed to at least one narrow side of the light panel. It is the object of the present invention to at least partially overcome the disadvantages of the prior art and in particular to provide an improved one.
- a food processing device comprising a muffle interior surrounded by a muffle and a light generating device arranged outside the muffle for irradiating light into the muffle interior through an opening in the muffle, wherein in the muffle interior a light distribution element for distributing light, the is einstrahlbar through the aperture, is arranged and between the light generating device and the Lichtvermaschinelement a gap is present.
- this food processing device it is an advantage of this food processing device that a particularly simple adaptation to different - especially functional - embodiments of the food processing device (eg with or without microwave function) can be achieved because a lichtabstrahlender area of the light generating device is not fixed to the muffle, but spaced therefrom is.
- a functional modular structure of the food processing device is supported.
- the light generating device may be a prefabricated module.
- the lighting is also particularly cost-effective and tolerances insensitive implemented by the stronger mechanical decoupling of the light generating device of the muffle.
- such a jamming of the light generating device can be bypassed during assembly.
- the food treatment device is a household appliance.
- the food handling appliance may generally be a cooking appliance for cooking or heat-treating food.
- the food processing device has an oven or is an oven.
- the food handling device may include a steam cooking functionality and / or a microwave functionality, along with or even without oven functionality.
- Under a muffle can generally a housing or a wall, which (s) the muffle interior limited understood.
- the muffle interior can also be referred to as a food treatment room or - in the case of a furnace - as a furnace room and is used for treating food in the muffle interior. If the treatment room is a furnace space, the muffle can also be referred to as a furnace muffle.
- the light generating device is not directly connected to the muffle.
- the light generating means may comprise one or more light sources, e.g. LEDs, to produce the light that can be radiated through the aperture (which may also be referred to as an aperture) into the muffle interior.
- the gap may be located entirely within the muffle interior.
- the light-conducting device can extend or protrude into or through the opening in the muffle interior, while the light-distributing element is accommodated entirely in the muffle interior.
- the gap may be located entirely outside of the muffle interior.
- the Lichtvermaschinelement can extend into the aperture or protrude through the opening to the outside, while the light guide is located entirely outside the muffle interior.
- the breakthrough may have a single opening or multiple openings (eg multiple slots or round holes).
- the round holes may have a diameter between 0.5 mm and 10 mm (in particular of 5 + - 0.5 mm).
- the light-generating device has a light-conducting device for guiding the light generated by it to the aperture, wherein the light-conducting device ends before the breakthrough.
- the light can be directed to the breakthrough, so that its light losses are low up to the breakthrough, and at the same time a simple mechanical decoupling of the light guide are achieved by the muffle.
- the light-generating device has a light-guiding device for guiding the light generated by it to the opening, wherein the light-conducting device protrudes into the opening or projects through the opening into the muffle.
- the light-guiding device has or is a light guide or light waveguide which guides light coupled to a light entry surface, in particular at the end, by means of total internal reflection to a light exit surface, in particular at the end.
- the light guide may be exactly one light guide or have multiple light guides.
- the light guide may in particular be rod-shaped.
- the light-conducting device can be at least one hollow, internally mirrored tube or solid body or the like. be, which can also be referred to below as "Lichtleitkanal".
- the light guide can be made of plastic.
- the light guide is advantageously made of glass, since glass is thermally particularly resistant.
- the light generating device ends before the breakthrough and the food processing device has a reflector which laterally surrounds an area between the light generating device, in particular its light conducting device, and the opening. The light emitted by the light guide thus passes through the area surrounded by the reflector space to the breakthrough. Thus, light losses that would otherwise have been produced by light emitted by the light guide next to the aperture or reflected off of the aperture (eg, an edge thereof) can be reduced or even avoided.
- the reflector also prevents insulation material between the light exit surface of the light generating device and the breakthrough arrives.
- the reflector as Assembly aid, in particular threading aid, be used in the assembly of the light generating device.
- the reflector has a funnel shape and the light generating device, in particular its light guide, for example, dips into its narrower opening and the reflector with its further opening adjacent to the opening.
- the reflector consequently widens from the light-generating device, in particular its light-conducting device, to the aperture. This is particularly advantageous if a light exit surface of the light-guiding device is smaller than an area of the opening. If a light exit surface of the light guide is greater than a surface of the aperture, the reflector can narrow from the light guide to the breakthrough.
- the reflector is firmly connected to the muffle and an insertion opening for the light generating device, in particular its light-conducting device having.
- the advantage is achieved that the light-generating device, in particular its light-conducting device, is particularly easy to position on the -. funnel-shaped reflector can be arranged.
- the reflector can also be considered in this embodiment as an outer essay or intent element for the breakthrough.
- the introduction opening can closely or widely surround the light-generating device, in particular its light-conducting device. In particular, a lateral gap between them is microwave-impermeable.
- the insertion opening is elastically expandable.
- a close fit of the light-generating device in particular its light-conducting device, can be achieved.
- light losses can be kept very low.
- the insertion opening may have at least one resilient tab.
- the breakthrough is covered by a cover.
- That the breakthrough is covered by the cover may in particular mean that the cover a separately manufactured element, which is used in the breakthrough and / or placed on the breakthrough.
- the cover element can reduce or even completely prevent a passage of air and / or radiation of a spectral region outside of the radiatable light.
- This embodiment has the further advantage that a, for example, large, breakthrough in the muffle through the cover with little effort to desired functionalities of the food processing device is customizable and so a further improved modularity is provided.
- the cover element has or is a translucent panel.
- the disc is advantageously transparent to avoid light losses.
- the disc can e.g. made of glass or silicone.
- the cover member has or is a translucent metallic cover member.
- the light transmission may be provided by gaps or holes in the cover member, for example.
- Such a cover element has the advantage that it can be used as a microwave seal. The light generated by the light generating device can be detected by the
- Microwave seal penetrate into the muffle interior, but microwave radiation can not escape from the muffle.
- the microwave-tight cover element is in particular also electrically connected to the muffle, e.g. to improve a microwave tightness.
- the metallic translucent cover element may be or have, for example, a pinhole or a metal mesh or metal mesh.
- the light generated by the light generating means may then be e.g. penetrate through the holes of the pinhole or through gaps of the metal mesh in the muffle interior.
- the pinhole can be a perforated sheet.
- the pinhole can be tuned to the microwave radiation, for example, by choosing the size and density of the holes.
- Aperture can be formed as a metal foil, whose thickness is less than a wall thickness of the muffle, whereby particularly high freedom of design is made possible with respect to a density of the holes.
- the metal mesh may be in the form of a mat.
- the cover may be a multilayer element, for. B. comprising a layer in the form of a transparent silicone plate and a layer in the form of a pinhole.
- the aperture incorporated or integrated into the muffle is already microwave-tight, e.g. by providing several round holes, in particular with a diameter between 0.5 mm and 10 mm (especially of 5 + - 0.5 mm).
- the muffle in one of its side walls has an outwardly directed recess in which the breakthrough is located, and the light generating device is arranged so that its main emission direction parallel to the side wall of the muffle having the recess , lies.
- a main emission direction can be understood as meaning a direction of the light component generated by the light generation device with the highest light intensity or luminance.
- a main emission direction can also be understood to mean a direction along an axis of symmetry of the light cone emitted by the light-generating device.
- the depression may also be referred to as a bulge.
- the fact that the main emission direction is aligned parallel to the side wall of the muffle may in particular include that it lies in a vertical plane.
- the recess is an elongated recess, which is introduced into a vertically oriented wall (ie, in a left side wall, a right side wall and / or in the rear wall) of the muffle and there vertically, horizontally or obliquely aligned is. Due to the fact that the depression is an elongated depression, it is advantageously possible to achieve a particularly high or broad light radiation into the remaining muffle interior.
- Their horizontal orientation advantageously allows a uniform, wide illumination of a shelf level (at their level or at a height of an associated food).
- a vertical orientation of the recess advantageously allows a uniform illumination of several insertion levels.
- the recess has a rectangular top surface and an adjoining side surface connecting the top surface to the legal side wall and the breakthrough is in the side surface.
- This allows a particularly simple introduction of the depression, for example by deep drawing, and a particularly compact design.
- the light can be radiated into the muffle without beam deflection, for example by means of a rectilinear light-guiding device even with light guidance parallel to the associated side wall of the muffle.
- the light distribution element is arranged in the recess and can be irradiated through the aperture with the light.
- the light distribution element can in particular be arranged entirely in the depression.
- the light distribution element can be irradiated directly through the aperture, e.g. without interposition of an optical deflecting element.
- the light distribution element can therefore be arranged in particular in a direct line of sight from the light exit surface of the light generating device through the aperture.
- This embodiment can solve the problem alone. This is thus also solved by a food processing device having a muffle surrounded by a muffle interior and a light generator outside the muffle for irradiation of light into the muffle interior by an opening in the muffle, wherein in the muffle interior
- the muffle has in one of its side walls an outwardly directed recess in which the aperture is located, and the light distribution element is arranged in the recess and through the aperture with the light is irradiated.
- Transmitted light element that covers the recess against the rest of the muffle interior. As a result, the depression is better protected against the penetration of vapor, steam, microwave radiation, etc.
- the light distribution element has a rear side facing away from the muffle interior, which has an illuminated by the irradiated light illumination surface.
- This food processing device has the advantage that the light distribution element is particularly simple and compact to produce and into the muffle is einbringbar.
- the light distribution element has to cover the recess on an outer contour matching the depression.
- the Lichtvermaschinelement can be screwed to the muffle, for example, be locked, jammed, plugged, glued, etc. or be.
- the light distribution element has a particular step-shaped surface structure on its illumination surface.
- the irradiated light can advantageously be strongly deflected locally in a small space.
- the light distribution element can be kept so narrow.
- the surface structure is formed such that a light beam incident on the illumination surface is deflected obliquely downwards, that is to say into a half space below a horizontal plane, in which plane a light exit point of a relevant light beam lies. This results in the advantage that meals located in the muffin interior can be illuminated particularly effectively.
- the light distribution element has an elongated, over its longitudinal extent curved illumination surface.
- the curvature is advantageously parabolic in section.
- the steps can be arranged one behind the other on a parabola-shaped contour.
- the entire rear side, in particular the entire light distribution element can be curved along its longitudinal extension, which allows a particularly constant illumination over its length.
- the light distribution element has an elongated, over its transverse extent curved illumination surface.
- the curvature can be curved circular in particular in section.
- stages can have a curved shape or transverse extent.
- the depression in particular its cover surface, is covered on the inside at least in regions by a reflector element.
- the reflector element can be a reflector sheet.
- the reflector element in particular reflector plate, can be mirror-polished and / or covered with a specular or diffusely reflecting reflection layer. It is also a refinement which is advantageous for increasing the efficiency of an illumination, that the light distribution element has printing at least in regions.
- the food handling device described above has, inter alia, one or more of the following advantages: no separate microwave seal is required, or a simpler microwave seal can be used than hitherto.
- the result is an increase in the efficiency of the illumination, in particular if light (for example due to the jagged surface structure) is only irradiated downward into the muffle interior. It supports a modular design (furnace, pyrolysis, microwave, steam, etc.).
- a particularly tolerance-insensitive construction is made possible by decoupling the light guide from the muffle.
- a reduction in heating by microwave radiation in the recess is achieved.
- the optical fiber can be formed more easily (e.g., shorter, no printing, no phase, thicker, etc.).
- a standardization with a holder and a light guide of a ceiling lighting of the muffle is simplified or made possible.
- a simplification of the reflector sheet (for example, with embossments, tabs, bolts) is made possible.
- An existing problem of jamming optical fibers during assembly is eliminated.
- a cost reduction is made possible (e.g., with respect to a microwave seal, a reflector, a light guide, a holder, a mounting, etc.).
- FIG. 1 shows a side view of a section of a muffle of a cooking appliance according to a first embodiment, together with a light-generating device of the cooking appliance;
- Figure 2 shows the components of Figure 1 in a partial view obliquely from above on a lateral region of the muffle.
- FIG. 3 shows a side view of a section of the semi-transparent shown
- FIG. 4 shows a partial view obliquely from above onto a lateral region of a muffle of a cooking appliance according to a second exemplary embodiment, together with a light-generating device of this cooking appliance;
- FIG. 5 shows in a view obliquely from above a cover for the cooking appliance according to the first embodiment
- FIG. 6 shows a partial view obliquely from above onto a lateral region of the muffle of the cooking appliance according to the first exemplary embodiment with the mounted covering element from FIG. 5;
- FIG. 7 shows, in a partial view obliquely from above, the lateral area of the muffle of the cooking appliance according to the first exemplary embodiment with another covering element mounted thereon;
- FIG. 8 shows in a sectional view obliquely from above on a lateral region of the semi-transparent muffle of the cooking appliance according to the second embodiment with a reflector element housed therein;
- FIG. 9 shows the reflector element from FIG. 8 in a view obliquely from the front
- FIG. 10 shows in a view obliquely from above a lateral region of the cooking appliance according to the second embodiment, which additionally has a reflector arranged outside the muffle;
- FIG. 1 shows a sectional view in a view from the side of a region of the cooking appliance according to the second embodiment with the reflector of Fig.10;
- FIG. 13 shows as a sketch a sectional representation in a side view of the light generation device and of the light distribution element
- Fig. 15 shows the light distribution element in a plan view
- 16 shows a side view of a section of a muffle of a cooking appliance according to a third embodiment, shown in a semi-transparent manner, together with a light distribution element accommodated in the muffle and a light generating device of this cooking appliance.
- the cooking appliance 1 shows a side view of various components of a food processing device in the form of a cooking device 1, namely a muffle 2 and a light generating device 3. From the metallic muffle 2, a left side wall 4 and a detail of a rear wall 5, a ceiling 6 and a bottom 7 are shown. These walls 4 to 7 of the muffle 2, together with a right side wall, not shown, define a muffle interior M.
- the cooking appliance 1 may have a furnace functionality, e.g. by having one or more electric radiators (e.g., a top heat radiator, a bottom heat radiator, a heater air heater, etc., not shown).
- the cooking appliance 1 may additionally or alternatively have a microwave functionality and / or a steam generation functionality.
- the left side wall 4 has a longitudinally extending in the vertical direction, outward bulge or recess 8.
- the recess 8 is approximately parallelepiped with a vertically extending top surface 9 and an adjoining, circumferential side surface 10.
- the side surface 10 is inclined against the vertical.
- the light generating device 3 is arranged above the recess 8 and has one or more light sources in the form of LEDs (not shown), which are not visible here in a light source unit 1 1 housed.
- the light generated by the LEDs of the light source unit 11 is coupled on the front side into a light-conducting device in the form of a short, rod-shaped optical waveguide 12 made of glass.
- the light is guided in the light guide 12 and emitted again on an opposite end face, which serves as light exit surface 13.
- an electrical connection 14 and a fastening tab 15 are shown here by the light generating device 3.
- the light generating device 3 is not attached directly to the muffle 2.
- the light guide 12 ends in front of the side surface 10, in which - the light exit surface 13 opposite - an opening 16 is located.
- the light exit surface 13 is thus of the aperture 16 spaced and is not in mechanical contact with this.
- the light guide 12 can radiate through the opening 16 light into the muffle interior M, especially or even exclusively in the associated recess 8.
- the light guide 12 is vertically aligned, so that the main emission of the decoupled or radiated light emission surface 13 also is aligned vertically downwards.
- FIG. 2 shows the components from FIG. 1 in a view obliquely from above onto a left-side region of the muffle 2.
- the opening 16 is located in an upper-side section 17 of the side surface 10 and is here represented as a large hole made in the upper-side section 17 educated.
- the aperture 16 may be covered by a silicone or glass plate 23, e.g. to prevent leakage of heat and / or vapor and / or steam.
- the large, non-divided aperture 16 has the advantage that light can pass virtually lossless.
- FIG 3 shows an analogous to Figure 1 representation of the cooking appliance 1, wherein now the muffle 2 is shown at least in the region of the recess 8 semi-transparent.
- a Lichtvermaschinelement 18 made of transparent glass for distributing light L, which can be irradiated through the opening 16, in the remaining muffle interior M.
- a Gap S present in which the opening 16 is located.
- the light distribution element 18 is elongate plate-shaped and closes an opening of the recess 8 against the rest of the muffle interior M. It can therefore also serve as a cover glass. It is arranged standing upright, wherein a rear side 19 of the light distribution element 18 can be irradiated with the light L irradiated from the aperture 16 ("illumination surface"). The light L is deflected by the light distribution element 18 into the remaining muffle interior M (substantially obliquely downwards, as indicated by the associated arrows dotted). The light distribution element 18 is thus an optical transmitted light element. It has a surface structuring 21 for deflecting the light L at the associated illumination surface 20.
- the illumination surface 20 extends with only a slight angle of inclination to the vertical over virtually the entire length of the Lichtvermaschinelements 18, so that the light L from the opening 16 grazing on the back 19 falls and illuminates it practically over its entire height.
- the light distribution element 18 therefore emits the light L at its front side 22 also over its entire length or height. Because the light distribution element 18 is so long or high that it extends over almost the entire height (ie, over at least 60%, in particular over at least 75% of the height) of the muffle interior M, several insertion levels of the cooking device 1 can be illuminated simultaneously, and although also with several inserted slots.
- the cooking appliance 31 differs from the cooking appliance 1 in that an opening 33 in the form of several (here: eight) is comparatively smaller There is holes 34 on the upper side or on the upper-side section 35 of the side surface 36.
- This breakthrough 33 has the advantage that no microwave radiation emerges from the muffle 32. Thus, no additional microwave seal needs to be mounted.
- the holes may for example have a diameter between one and five millimeters.
- 5 shows a microwave-tight cover 41 in the form of a bent perforated plate with a plurality of regularly arranged holes 42.
- the cover 41 can be placed on the opening 16 of the muffle 2 shown in Figures 1 to 3 (and that from inside or outside ) in order to achieve a particularly high degree of modularity. Such a covering element 41 can therefore cover the opening 16 as required and then serves as a microwave shield.
- the cover 41 gives the same advantages as the opening 33 of the cooking appliance 31 and allows use of the same muffle 2 for cooking appliances 1 with and without microwave function.
- the cover 41 is made of metal and is electrically connected to the recess 8.
- the cover 41 has four slots 43 and 44, by means of which it can be screwed to the recess 8, as shown in Figure 6.
- the cover 41 may be formed as a metal foil whose thickness is less than a wall thickness of the muffle 2, whereby a higher freedom of design with respect to a density of the holes 42 is made possible.
- the cover 41 has at the edge of the recess 8 towards bent tabs 45 in order to achieve an elastically resilient and thus particularly secure support on the recess 8.
- the cover 41 may also be designed as a simpler - e.g. flat - perforated plate 46 (as shown in the attachment from the inside shown in Figure 7) or implemented as an expansion plate.
- a microwave-tight cover 41 may also be formed as a metal mesh or metal mesh.
- FIG. 8 shows based on the semi-transparent muffle 32 housed in the recess 8 reflector element in the form of a reflector plate 47.
- Figure 9 shows the reflector plate 47 in a view obliquely from the front.
- the light distribution member 18 may be held, e.g. be trapped.
- a recess 49 is introduced to allow the light L to reach the light distribution element 18. The light L thereby passes into an intermediate space between the light distribution element 18 and the
- Reflector plate 47 With the help of the reflector plate 47, light which is radiated onto the inside of the top surface 9 of the recess can be deflected onto the light distribution element 18, which increases a luminous efficacy.
- the reflector plate 47 can have, between the end regions 48a and 48b, a band-shaped reflection region 50 which is specularly or diffusely reflective on the side of the muffle.
- the reflector plate 47 On the wall side, the reflector plate 47 a plurality of bolts 51 (see also Fig. And Fig.6), which can be guided through corresponding holes 51 a (see also Fig.7) in the muffle 32 to the outside and screwed there.
- the reflector plate 47 can safely rest on the inside of the top surface 9 and cover it.
- the reflector plate 47 may be used analogously in the muffle 2.
- the bolts 51 can also be used for fastening the cover 41 (see also Fig.6)
- FIG. 10 shows the components of the cooking appliance 31 already shown in FIG. 4 in a view analogous to FIG.
- a funnel-shaped reflector attachment 52 is now additionally attached. That is, the reflector attachment 52 is arranged here above the opening 33.
- the reflector attachment 52 is screwed to the cover surface 9 of the depression by means of a strap-like fastening region 53, for example to the threaded bolts 51.
- the reflector attachment 52 narrows upward in the direction of the light guide 12, forming at its narrowest point 54 an insertion opening for the light guide 12 and then expands again, as shown in Fig.1 1.
- the reflector attachment 52 thus surrounds at the side a space region between the light exit surface 13 of the light guide 12 and the opening 12.
- the reflector attachment 52 With the aid of the reflector attachment 52, light L, which emerges obliquely from the light guide 12 and does not fall directly through the holes 34 into the muffle interior M but is reflected on the surrounding material of the depression 8, can be reflected back onto the opening 33, so the light output grows.
- the reflector attachment 52 also serves as Einfädel Anlagen during assembly of the light guide 12 and ensures that no insulating material between the light guide 12 and the holes 34 device. This structure is much less sensitive to tolerances than a long light guide, which is attached to a ventilation and at the same time in the muffle 32 inserted (which expands at a temperature increase).
- a - e.g. transparent cover for example in the form of a vapor seal (not shown), e.g. made of silicone or glass.
- the reflector attachment 52 can also be used with the cooking device 1.
- the 12 shows a sectional side view of an upper section of the light distribution element 18. Its rear side 19 has a step-shaped surface structure 21, while the muffle interior M facing outside the recess 8 front 22 is smooth.
- the front side 22 may be designed to be anti-reflective in order to make light extraction particularly effective.
- the front side 22 may be roughened or have an antireflection coating.
- the rear side 19 may be designed to be more effective light coupling anti-reflective.
- the front 22 can also be provided with a rough surface to act as a uniform diffuser.
- the light L decoupled from the light guide 12 generates a light spot that lies in the area of the surface structuring 21.
- the light spot thus corresponds to a projection of the incident light beam onto the light distribution element 18, and the illumination surface 20 also has the surface structuring 21.
- the surface structuring 21 has a step shape or a zigzag shape in cross section, by means of which the light L incident vertically from above is radiated from the front side 22 into the muffle inner space M in an obliquely downward direction (as indicated by the dotted arrow). As a result, an efficiency of the lighting of befindliches in the muffle interior M food is increased.
- an angle ⁇ of an oblique portion 55 of the stepped surface structuring 20 is advantageously 45 ° or more compared to a main emission direction of the light S (which corresponds to the vertical) .
- the surface structuring 21 extends over virtually the entire height of the rear side 19, it also does not need to assume its entire width. Rather, it only needs to be as wide as the light spot so that smooth surface areas 56 can also be provided on the rear side 19 next to the surface structuring 21 (on which the illumination surface 20 is also located). This simplifies manufacture of the light distribution element 18.
- the light distribution element 18 can decouple the light L on the front evenly over its height.
- the illumination surface 20 or the surface structuring 21 along its length may have a parabolic basic shape or course.
- the individual stages are then arranged one behind the other along a parabolic path.
- the structure can also be bent transversely, as shown in plan view in FIG. If specifically individual room areas of the muffle interior M are to be particularly illuminated - for example, only room areas next to and / or above baking trays - this can be achieved, for example, by means of an abruptly rising step or zigzag structure, in which, in particular, a depth of adjacent steps changes strongly.
- FIG. 16 shows a representation similar to FIG. 3 of a cooking appliance 57 with a light distribution element 58 accommodated in its muffle 2.
- the cooking appliance 57 differs from the cooking appliance 1 by the shape and arrangement of the light distribution element 58 in comparison with the light distribution element 18 Lichtvermaschinelement 58, the light L is coupled into an upper edge or narrow side (and not on the back) and coupled out after its run through the light distribution element 58 via a possibly unstructured front face 59 and distributed over the height.
- the upper edge of the light distribution element 58 serving as the coupling surface for the light L is advantageously perpendicular to the incident light L.
- a rear side 60 of the light distribution element 58 can be curved in the longitudinal direction (ie here, along the vertical direction), for example parabolically, the curvature advantageously initially flat (ie deviating slightly from the vertical) and then becoming steeper (ie, more deviating from the vertical).
- the light distribution element 58 can become increasingly narrower in the light irradiation direction.
- a e.g. Surface-like structuring may be provided on the front 59 and / or on the back 60.
- the above cooking appliances 1, 21 and 57 may be formed correspondingly in particular on their right side wall.
- the light generating device can also radiate its light from below or from the side into the depression and be arranged correspondingly below or laterally to the depression.
- a plurality of light generating and light distribution structures may be present on a side wall, eg a plurality of light generating devices 3, depressions 8 and light distribution elements 18 or 58, etc.
- on may be taken to mean a singular or a plurality, in particular in the sense of “at least one” or “one or more”, etc., as long as this is not explicitly excluded, eg by the expression “exactly a ", etc. Also, a number can include exactly the specified number as well as a usual tolerance range, as long as this is not explicitly excluded.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Electric Ovens (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015225992.7A DE102015225992A1 (de) | 2015-12-18 | 2015-12-18 | Speisenbehandlungsgerät |
| PCT/EP2016/079131 WO2017102309A1 (de) | 2015-12-18 | 2016-11-29 | Speisenbehandlungsgerät |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3390915A1 true EP3390915A1 (de) | 2018-10-24 |
Family
ID=57406267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16801818.2A Withdrawn EP3390915A1 (de) | 2015-12-18 | 2016-11-29 | Speisenbehandlungsgerät |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20180324907A1 (de) |
| EP (1) | EP3390915A1 (de) |
| CN (1) | CN108369011A (de) |
| DE (1) | DE102015225992A1 (de) |
| WO (1) | WO2017102309A1 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202019106167U1 (de) * | 2019-11-06 | 2019-11-25 | Bjb Gmbh & Co. Kg | Dichtungsanordnung für ein Gargerät |
| DE102021101699B3 (de) * | 2021-01-26 | 2022-05-12 | Bjb Gmbh & Co. Kg | Gargerät mit Halteplatte für eine Gargeräteleuchte |
| CN115574270A (zh) * | 2021-06-21 | 2023-01-06 | 广东美的厨房电器制造有限公司 | 家用电器 |
| BE1029645B1 (de) * | 2021-08-02 | 2023-02-27 | Miele & Cie | Gargerät, umfassend einen Garraum und mindestens eine Garraumleuchte |
| DE102022117406A1 (de) | 2021-08-02 | 2023-02-02 | Miele & Cie. Kg | Verfahren zur Herstellung eines Gargeräts und Gargerät |
| US12372251B2 (en) * | 2021-10-29 | 2025-07-29 | Whirlpool Corporation | Lighting assembly for a cooking appliance |
| DE102022108426A1 (de) | 2022-04-07 | 2023-10-12 | Bjb Gmbh & Co. Kg | Gargeräteleuchte und Gargerät mit Gargeräteleuchte |
| CN117179536A (zh) * | 2022-05-30 | 2023-12-08 | 广东美的厨房电器制造有限公司 | 烹饪设备 |
| BE1030652B1 (de) * | 2022-06-21 | 2024-01-29 | Miele & Cie | Garraumleuchte und Gargerät mit einem Garraum und mindestens einer Garraumleuchte |
| DE102022133410B3 (de) | 2022-12-15 | 2024-03-07 | Bjb Gmbh & Co. Kg | Gargeräteleuchte |
| DE102023202930A1 (de) * | 2023-03-30 | 2024-10-02 | BSH Hausgeräte GmbH | Garraumwandung mit einem Durchbruch |
| US12264823B1 (en) | 2023-12-05 | 2025-04-01 | Whirlpool Corporation | LED light guide design to enable installation of LED bar to LED reflector in a cooking appliance |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2746674A1 (de) * | 2012-12-19 | 2014-06-25 | BSH Bosch und Siemens Hausgeräte GmbH | Beleuchtungsvorrichtung für ein Gargerät und Gargerät |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1503940A (en) * | 1974-05-20 | 1978-03-15 | Matsushita Electric Industrial Co Ltd | Microwave ovens |
| SE444061B (sv) * | 1983-03-23 | 1986-03-17 | Philips Norden Ab | Belysningsanordning vid mikrovagsugnar |
| DE4025734C2 (de) * | 1990-08-14 | 1997-04-03 | Bosch Siemens Hausgeraete | Beleuchtungseinrichtung für einen Ofen |
| JP3362900B2 (ja) * | 1993-03-09 | 2003-01-07 | 富士通株式会社 | 面発光装置 |
| JP4473349B2 (ja) * | 1997-06-30 | 2010-06-02 | マクス−プランク−ゲゼルシャフト ツル フォルデルング デル ヴァイセンシャフト エー ファウ | 層状構造体製造方法、及び半導体基板 |
| FR2772460B1 (fr) * | 1997-12-12 | 2000-03-24 | Europ Equip Menager | Dispositif d'eclairage multiniveau d'une enceinte de four domestique |
| FR2826707B1 (fr) * | 2001-06-28 | 2004-02-06 | Brandt Cooking | Dispositif d'eclairage reparti, notamment pour l'eclairage d'une cavite |
| BR0213489A (pt) * | 2001-10-25 | 2004-11-03 | Bsh Bosch Siemens Hausgeraete | Dispositivo de iluminação para fornos |
| DE102005005267A1 (de) | 2004-12-22 | 2006-07-13 | Faist Systeme Gmbh | Vorrichtung zum Erhitzen von Lebensmitteln |
| DE102006054456A1 (de) * | 2006-11-16 | 2008-05-29 | Miele & Cie. Kg | Beleuchtungsvorrichtung für ein Haushaltsgerät mit einem Behandlungsraum |
| US7967495B2 (en) * | 2007-01-17 | 2011-06-28 | Toyoda Gosei Co., Ltd. | Scuff plate |
| EP2128527A1 (de) * | 2008-05-31 | 2009-12-02 | Electrolux Home Products Corporation N.V. | Ofen, insbesondere Haushaltsofen |
| PL2128526T3 (pl) * | 2008-05-31 | 2012-05-31 | Electrolux Home Products Corp Nv | Piekarnik, w szczególności piekarnik stosowany w gospodarstwach domowych |
| DE102009000655B3 (de) * | 2009-02-06 | 2010-09-09 | BSH Bosch und Siemens Hausgeräte GmbH | Hausgerät zur Zubereitung von Lebensmitteln |
| MX2009014046A (es) * | 2009-12-18 | 2011-06-21 | Mabe Sa De Cv | Sistema de iluminacion para cavidades. |
| EP2400225B1 (de) * | 2010-06-26 | 2018-11-14 | Electrolux Home Products Corporation N.V. | Ofenmuffel mit beleuchtungsvorrichtung |
| DE102012102857A1 (de) * | 2012-04-02 | 2013-10-02 | Miele & Cie. Kg | Haushaltsgerät |
| DE102012223465A1 (de) | 2012-12-17 | 2014-06-18 | BSH Bosch und Siemens Hausgeräte GmbH | Beleuchtung für ein Gargerät |
| DE102012223678A1 (de) | 2012-12-19 | 2014-06-26 | BSH Bosch und Siemens Hausgeräte GmbH | Beleuchtungsvorrichtung für ein Gargerät und Gargerät |
| CN104034063B (zh) * | 2013-03-06 | 2017-06-06 | 王颖 | 光磁电互补聚能式太阳炉 |
| DE102013005988A1 (de) | 2013-04-08 | 2014-10-09 | Emz-Hanauer Gmbh & Co. Kgaa | Elektrisches Haushaltsgerät mit beleuchtetem Innenraum |
| EP3045819A1 (de) * | 2015-11-24 | 2016-07-20 | V-Zug AG | Beleuchtung im gargerät |
-
2015
- 2015-12-18 DE DE102015225992.7A patent/DE102015225992A1/de not_active Withdrawn
-
2016
- 2016-11-29 EP EP16801818.2A patent/EP3390915A1/de not_active Withdrawn
- 2016-11-29 WO PCT/EP2016/079131 patent/WO2017102309A1/de not_active Ceased
- 2016-11-29 US US15/773,175 patent/US20180324907A1/en not_active Abandoned
- 2016-11-29 CN CN201680074176.9A patent/CN108369011A/zh active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2746674A1 (de) * | 2012-12-19 | 2014-06-25 | BSH Bosch und Siemens Hausgeräte GmbH | Beleuchtungsvorrichtung für ein Gargerät und Gargerät |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108369011A (zh) | 2018-08-03 |
| WO2017102309A1 (de) | 2017-06-22 |
| US20180324907A1 (en) | 2018-11-08 |
| DE102015225992A1 (de) | 2017-06-22 |
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