EP4062107A1 - Dunstabzugsvorrichtung mit wrasenleitplatte und beleuchtungseinrichtung - Google Patents
Dunstabzugsvorrichtung mit wrasenleitplatte und beleuchtungseinrichtungInfo
- Publication number
- EP4062107A1 EP4062107A1 EP20801244.3A EP20801244A EP4062107A1 EP 4062107 A1 EP4062107 A1 EP 4062107A1 EP 20801244 A EP20801244 A EP 20801244A EP 4062107 A1 EP4062107 A1 EP 4062107A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- light
- guide plate
- lighting device
- vapor
- 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
Links
- 239000003517 fume Substances 0.000 title claims abstract description 13
- 238000005286 illumination Methods 0.000 title abstract description 8
- 238000000149 argon plasma sintering Methods 0.000 claims abstract description 14
- 239000012780 transparent material Substances 0.000 claims abstract description 12
- 239000011521 glass Substances 0.000 claims description 21
- 238000001125 extrusion Methods 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007788 roughening Methods 0.000 description 3
- 238000010411 cooking Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000016776 visual perception Effects 0.000 description 1
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
- F24C15/20—Removing cooking fumes
- F24C15/2064—Removing cooking fumes illumination for cooking hood
-
- 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
- F24C15/20—Removing cooking fumes
- F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
Definitions
- the invention relates to an extractor device with a vapor guide plate and a lighting device.
- DE 102009044504 B3 describes an extractor hood with a lighting device which comprises at least one light source and a light guide element.
- the hood housing is designed in several parts.
- a connecting element is arranged in the interior of the housing, via which the upper and lower housing shells are connected.
- the light guide element is arranged in the intermediate layer of the housing shells and the light exit surface forms part of the edge surface of the hood shade housing, the at least one light source being arranged inside the housing on the connecting element and assigned to the light guide element in such a way that its light exit surface illuminates the edge of the hood shade housing in the parting plane of the housing shells .
- a reflector space is formed in the hood housing.
- the light is passed into a reflector and from there directed into a light guide element via a diffuser.
- a disadvantage of this extractor hood is that its construction is complex. Due to the reflector and diffuser, which contains light-scattering and light-blocking elements, this structure is also very lossy.
- the object of the present invention is therefore to create a solution by means of which a light guide element can be used in a simple manner in an extractor device and in which the light emitted by the light guide element is as homogeneous as possible.
- the invention therefore relates to an extractor device with at least one vapor guide plate and at least one lighting device.
- the extractor device is characterized in that the vapor guide plate represents a light guide, the lighting device a housing for at least one Includes light source, which at least partially consists of a transparent material, at least part of the lighting device, which consists of transparent material, faces the vapor guide plate and at least part of an edge of the vapor guide plate, which faces the lighting device, has light-scattering properties.
- a device for cleaning contaminated air, especially vapors and vapors that arise during cooking is referred to as an extractor device.
- the extractor device has at least one vapor guide plate.
- a surface element is referred to as a vapor guide plate which guides the air, which is sucked in by a fan inside the extractor device, to the suction opening of the extractor device.
- a vapor guide plate can be arranged in front of and a vapor guide plate behind the suction opening at the suction opening in order to form a supply channel in the flow direction in front of the suction opening.
- the at least one vapor guiding plate represents a light guide.
- the vapor guiding plate consists of a material that is suitable for guiding light.
- the vapor guide plate consists of glass, that is to say is formed by a glass pane. The surfaces of the glass pane are preferably polished, as a result of which light that is introduced into the glass pane via one of the edges is reflected on the surfaces and thereby passed on.
- the lighting device has a housing for at least one light source.
- the light source can be an LED (Light Emitting Diode).
- the housing consists of a transparent material at least in some areas.
- the housing consists at least in some areas of a material that is transparent and free of scattering and light-blocking particles.
- the surfaces of the material of the housing are preferably designed in such a way that there is no or no significant light scattering on them. At least some areas of the housing have little or no opacity.
- the lighting device faces the vapor guide plate.
- the part of the lighting device faces an edge of the vapor guide plate.
- An orientation of the part of the lighting device in which the light emitted from the lighting device can reach the steam deflector and in particular the edge of the steam deflector directly, i.e. without deflecting elements, is referred to as facing the steam deflector.
- the lighting device can therefore rest on the edge of the vapor guide plate.
- At least a part of an edge of the vapor guide plate facing the lighting device has light-scattering properties.
- the light-scattering properties are preferably achieved by surface treatment, in particular by roughening.
- the edge of the vapor guide plate facing the lighting device has completely light-scattering properties.
- the edge is preferably roughened over its entire length.
- the lighting device is mechanically decoupled from the vapor guide plate and thus the vapor guide plate can be easily removed from the extractor device and in particular from the lighting device. In addition, a homogeneous light output from the vapor guide plate can be guaranteed.
- Directional information such as above and below, as well as information such as width and height relate - unless otherwise stated - to an extractor device and its components in an assembled state.
- these details relate on an extractor device with at least one vapor guide plate, which lies in the vertical, wherein the extractor device is installed in a horizontal worktop behind a hob and extends in the width direction of the hob behind this.
- the housing of the lighting device represents a one-piece housing. This on the one hand simplifies the overall structure of the lighting device. In addition, the installation of the lighting device is simplified, since there is no risk of a transparent part, such as a transparent plate, slipping during installation. In addition, the position of the transparent part of the housing relative to the light source is fixed and does not have to be adjusted by alignment.
- the entire housing is made of transparent material. On the one hand, this simplifies production. On the other hand, inadvertent covering of the light source by a non-transparent part of the housing can be prevented.
- the housing represents a closed housing.
- a housing is referred to as a closed housing which has a wall on at least four sides. The walls are preferably integrally connected to one another. On the two further sides, the housing can have closing flaps which can be connected, for example inserted, to the further four walls which define a cavity. The housing is therefore preferably closed on all sides. In this way, the penetration of impurities into the interior and thus contamination of the at least one light source arranged in the interior of the housing can be prevented.
- the housing represents an extrusion profile.
- the advantage of an extrusion profile is that complex geometries, such as, for example, webs, can be produced in a simple manner by the extrusion.
- the housing is preferably made of plastic. On the one hand, this has the advantage that the housing can be manufactured in a simple manner and, on the other hand, it has the advantage the transparent property of at least a part of the housing can be adjusted in a simple manner.
- the lighting device comprises a lighting unit which comprises at least one light source, and the lighting unit is pushed into the housing of the lighting device.
- the lighting unit can be pushed in over an end face of an elongated housing. Since the at least one light source is permanently mounted in the lighting unit, it is not necessary to align the individual light sources separately.
- At least one light source is particularly preferably arranged on a circuit board.
- the lighting device therefore has a lighting unit with a circuit board.
- all light sources are arranged on a single circuit board.
- the light sources are preferably arranged equidistantly, that is to say at the same distance from one another, in a row.
- This circuit board with the light sources can be pushed into a housing, which in particular can represent an extrusion profile, in a simple manner, and production is thus simplified.
- the lighting device has a lighting unit with at least two circuit boards.
- a single light source or preferably at least two light sources can be arranged on each circuit board.
- the at least two circuit boards are contacted directly. This means that the blanks lie directly against one another without an intermediate element and are in direct contact with one another. With this embodiment, the distance between light sources which are arranged in the vicinity of the edge of the respective circuit board can be kept small and thus the homogeneity of the light output can be improved.
- at least two circuit boards are provided in the lighting unit, each of which is connected to one another via a spacer. In particular, a spacer is provided between two boards.
- the edge of the vapor guiding plate which has light-scattering properties, has a roughened surface.
- the scattering properties can be adjusted by roughening, without light-blocking particles being introduced into the material.
- the edge or edges that do not face the lighting device can be treated to influence the light output.
- one or more edges can be ground in order to deflect the light beam impinging on them.
- the light introduced into the vapor guiding plate can be used, for example, to illuminate certain areas around the vapor guiding plate, for example the hob.
- At least one edge of the vapor guide plate which has scattering properties, faces away from the at least one lighting device.
- the light that was introduced into the vapor guide plate by the lighting device and was passed through the vapor guide plate can be output in a scattering manner from the opposite edge. This further increases the homogeneity of the light output.
- the vapor guide plate consists of glass.
- the vapor guide plate can also consist of Plexiglas, plastic or other light-guiding materials.
- the extractor device has a suction opening through which air is sucked in downwards and which is at least one vapor guide plate arranged adjacent to the suction port.
- the invention can also be referred to as a table fan or a trough fan.
- the inventive design of the vapor guide plate can be used particularly well as a light guide.
- the vapor guide plate can be used as a design element or as a functional lamp.
- the vapor guide plate is oriented vertically, at least part of the vapor guide plate protrudes above the plane in which the suction opening is located, and at least the part of the edges that protrude above the plane of the suction opening is at least partially roughened. This means that all edges of the vapor guide plate that are visible to the user can be used to output homogeneous light.
- FIG. 1 a schematic perspective view of an embodiment of the extractor device according to the invention
- FIG. 2 a schematic sectional view through an embodiment of the extractor device according to the invention in the area of the lighting device;
- FIG. 3 a schematic cross-sectional view of an embodiment of FIG.
- FIG. 4 a schematic longitudinal sectional view of an embodiment of FIG.
- FIG. 5 a schematic longitudinal sectional view of a further embodiment of FIG.
- FIG. 6 a schematic longitudinal sectional view of a further embodiment of FIG.
- FIG. 1 shows a perspective view of an embodiment of the extractor device 1 according to the invention.
- the extractor device 1 is arranged in a worktop 6 behind a hob 5.
- the extractor device 1 has a Extractor housing 2, of which only the top is visible in Figure 1.
- a suction opening 20 is provided in the top of the extractor housing 2. Via this suction opening 20, vapors and vapors that arise during cooking on the hob 5 can be sucked into the extractor device 1.
- the extractor device 1 has a fan, which is not shown in the figures.
- the extractor device 1 has two vapor guide plates 3.
- a vapor guide plate 3 is provided in front of the suction opening 20, that is to say between the suction opening 20 and the hob 5 and behind the suction opening 20.
- the vapor guide plates 3 are in the vertical and represent flat plates, in particular glass plates.
- the front vapor guide plate 3 has a smaller width and a smaller height than the rear vapor guide plate 3.
- Below the suction opening 20 is in the extractor device 1 and in particular in the The extractor housing 2 is provided with a lighting device (not visible in FIG. 1) via which light can be introduced into the vapor guide plates 3.
- FIG. 2 shows a schematic sectional view of an embodiment of an extractor device 1 in the area of the lighting device 4.
- the extractor device 1 has only one vapor guide plate 3.
- the vapor guide plate 3 is guided in the extractor housing 2 by a vertically extending guide 21.
- the lower edge 30 of the vapor guide plate 3 faces the lighting device 4 and is arranged at a distance from the lighting device 4.
- the lower edge 30 has a rounded shape which, in cross section, represents a C shape, in particular a C cut.
- the lighting device 4 has a lighting unit 43 with a circuit board 431 and with light sources 430 provided on the circuit board 431, of which only one light source 430 is visible in FIG.
- the circuit board 431 and light source (s) 430 are accommodated in a housing 40.
- the lighting device 4 also has a connection 42 via which the lighting device 4 can be connected to the power supply. In FIG. 2, connecting cables can be seen from the connection 42.
- the lighting device 4 is arranged below the vapor guide plate 3 in the extractor housing 2.
- the lighting device 4 is aligned so that the light source 430 is directed upwards.
- the lighting device 4 is aligned in such a way that light that is emitted by the light source 430 is directed onto the lower edge 30 of the vapor guide plate 3.
- the housing 40 is transparent and the edge 30 of the vapor guide plate 3 facing the lighting device 4 has light-scattering properties and in particular has a roughened surface, light from the light source 430 can reach the vapor guide plate 3 and there without being scattered through the material of the housing 40 sprinkled on the lower edge 30 and thus introduced homogeneously into the interior of the vapor guide plate 3.
- the front and rear of the vapor guide plate 3 have reflective properties.
- the front and rear of the vapor guide plate 3 can be polished. If, as indicated in FIG. 1, at least the upper edge of the vapor guide plate 3 and possibly also its side edges are roughened, then light that is guided from the lower edge 30 through the vapor guide plate 3 by means of reflection to the upper or side edge can be roughened. can be output homogeneously over these edges by scattering.
- FIG 3 an embodiment of a lighting device 4 of an extractor device 1 according to the invention is shown.
- the lighting device 4 has a housing 40 and a lighting unit 43 accommodated in the housing 40.
- the housing 40 represents a one-piece housing, which was preferably produced by extrusion.
- the housing 40 also represents a closed housing which has closed walls on its top, bottom and both sides.
- the housing 40 has a rectangular cross section. However, it is also within the scope of the invention that the housing 40 has a different cross section, for example round or oval.
- two webs 402 are formed on the opposite side walls, between which there is a groove 401.
- the webs 402 and thus the groove preferably extend over the entire length of the housing 40 which, when the lighting device 4 is installed in the extractor device 1, lies in the width direction of the extractor device 1.
- the circuit board 431 is in the groove 401 the lighting unit 43 is introduced. In particular, the circuit board 431 with the light sources 430 mounted thereon is pushed into the groove 401.
- the top of the housing 40 is transparent.
- the lighting unit 43 is accommodated in the housing 40 in such a way that the light sources 430 face this upper side.
- FIGS. 4, 5 and 6 one embodiment of the lighting device 4 of the extractor device 1 is shown in longitudinal section.
- the lighting device 4 has a closure cap 41 at each of the longitudinal ends of the housing 40.
- the housing 40 represents, for example, an extrusion profile that is usually open at the longitudinal ends. By inserting or otherwise fastening the closure caps 41 to the longitudinal ends, the housing 40 can be closed after the lighting unit 43 has been introduced into the interior of the housing 40.
- a passage for a connection 42 is also provided on a closure cap 41. In the interior of the housing 40, the connection 42 rests against a circuit board 431 which is adjacent to the closure cap 41.
- the lighting unit 43 consists of a single circuit board 431 and four light sources 430 provided thereon.
- the light sources 430 are not arranged equidistantly here. This is possible because with the extractor device 1 according to the invention the introduction of light into the vapor guide plate 3 and thus also the light outlet from the vapor guide plate 3 is homogeneous due to the nature of the housing 40 and the edge of the vapor guide plate 3.
- the lighting unit 43 consists of two circuit boards 431 and four light sources 430 provided thereon. Two light sources 430 are provided on each circuit board 431.
- the plates 431 have a shorter length than the housing 40.
- the circuit boards 431 are connected to one another via a spacer element 432, which can also be referred to as a contact bridge.
- the spacer element 432 is used in particular for electrical contact between the boards 431, but can also mechanically support them against one another.
- the lighting unit 43 consists of two circuit boards 431 and four light sources 430 provided thereon. Two light sources 430 are provided on each circuit board 431.
- the plates 431 have a shorter length than the housing 40.
- the circuit boards 431 are in direct contact with one another at a contact point 433.
- the lighting device which can also be referred to as a light strip, is, according to one embodiment, a transparent profile with n-fold PCB segments (printed circuit board segments) connected in series.
- the PCB segments are optionally designed with a continuous board with LED groups or several boards.
- PCB segments connected n-fold in series in the transparent profile can contact each other with or without an intermediate element by lining up.
- the number of light sources in the lighting unit can be greater than four and also be odd.
- the number of circuit boards in the lighting unit can also be greater than two and also be odd.
- illumination of at least one edge of the vapor guide plate can be mechanically decoupled from the illumination device and in particular the light source.
- the edges of the vapor guide plate facing away from the lighting device which can also be referred to as the light module, in particular the glass edges, can shine decoratively and homogeneously.
- the light source is preferably not visible and remains in the extractor device when the vapor guide plate, in particular the glass pane or a plate of another passive light guide, is removed.
- a vapor guide plate in particular into glass edges, around the visible over the plane a worktop and in particular a hob to let the protruding edges of a vapor guide plate, in particular the glass edges, shine.
- the light can be introduced over the entire length of the glass edge of the vapor guide plate by means of a one-piece, transparent extrusion profile, preferably as a closed tubular profile.
- This tube is designed in such a way that at least one LED board can be inserted.
- a rough, light-scattering machined edge, in particular the glass edge of the vapor guiding plate, is decisive for the homogeneous lighting effect, so that the light rays when entering the vapor guiding plate and especially the glass are scattered and thus better distributed in all directions.
- the rough edge of the vapor guiding plate especially the glass edge, leads to a diffusely shining surface that decisively enhances the visual perception of the glow and brightness.
- the lighting device required for this which is also referred to as a light module, is preferably designed in one piece as a closed tube (extrusion profile) made of clear plastic or another transparent material.
- the homogeneity of the light emitted by the vapor guide plate is not achieved by a clouding (opacity) of the material of the housing of the lighting device, but rather through the light-scattering properties of the edge of the vapor guide plate, in particular the roughening of the edge of a glass plate.
- the advantage that this type of generation of homogeneity has, in particular, is that, in contrast to cloudiness, for example in a diffuser, which leads to considerable losses in brightness, since this is always achieved due to the production process by light-blocking and light-scattering particles in the plastic Fume extractor device according to the invention no or only slight losses in brightness are to be feared.
- the edge is preferably roughened. As a result, practically all incident light rays are scattered diffusely to all sides. Significantly more light rays are captured by the eye, which in turn results in a significant increase in luminance and the associated brightness of the roughened surface.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019217915.0A DE102019217915A1 (de) | 2019-11-20 | 2019-11-20 | Dunstabzugsvorrichtung mit Wrasenleitplatte und Beleuchtungseinrichtung |
PCT/EP2020/080904 WO2021099115A1 (de) | 2019-11-20 | 2020-11-04 | Dunstabzugsvorrichtung mit wrasenleitplatte und beleuchtungseinrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4062107A1 true EP4062107A1 (de) | 2022-09-28 |
Family
ID=73131753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20801244.3A Pending EP4062107A1 (de) | 2019-11-20 | 2020-11-04 | Dunstabzugsvorrichtung mit wrasenleitplatte und beleuchtungseinrichtung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4062107A1 (de) |
CN (1) | CN114729755A (de) |
DE (1) | DE102019217915A1 (de) |
WO (1) | WO2021099115A1 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009044504B3 (de) | 2009-11-12 | 2011-06-22 | Miele & Cie. KG, 33332 | Dunstabzugshaube mit einer Beleuchtungseinrichtung |
EP2927606B1 (de) * | 2014-04-04 | 2017-02-15 | Falmec S.P.A. | Verbesserte dunstabzugshaube |
DE102016010198A1 (de) * | 2016-08-23 | 2018-03-01 | Emz-Hanauer Gmbh & Co. Kgaa | Haushalts-Backofen mit Muffelbeleuchtung |
DE102016217836A1 (de) * | 2016-09-19 | 2018-03-22 | BSH Hausgeräte GmbH | Beleuchtungsmodul für Dunstabzugshaube und Dunstabzugshaube |
DE102018204008A1 (de) * | 2018-03-15 | 2019-09-19 | E.G.O. Elektro-Gerätebau GmbH | Kochfeld mit Dunstabzug und Verfahren zum Betrieb eines solchen Kochfelds |
-
2019
- 2019-11-20 DE DE102019217915.0A patent/DE102019217915A1/de active Pending
-
2020
- 2020-11-04 EP EP20801244.3A patent/EP4062107A1/de active Pending
- 2020-11-04 WO PCT/EP2020/080904 patent/WO2021099115A1/de unknown
- 2020-11-04 CN CN202080080222.2A patent/CN114729755A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
DE102019217915A1 (de) | 2021-05-20 |
WO2021099115A1 (de) | 2021-05-27 |
CN114729755A (zh) | 2022-07-08 |
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