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
  • F24C15/10—Tops, e.g. hot plates; Rings
• • 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
• • 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

Definitions

• the invention relates to a cooktop device according to the preamble of claim 1, a cooktop according to claim 10 and a method for operating a cooktop device according to claim 11.
• Lighting devices for cooktops are already known from the state of the art.
• WO 2015/068093 A1 shows a display unit which shines through a mounting plate to display at least one character readable by an operator.
• EP 3296644 B1 and DE 202023103051 U1 The figures show lighting devices for hobs.
• the light is only emitted outside the outermost edge area and/or not through a mounting plate. This results in only limited precision in marking an edge and/or limited visibility of processes in the outermost edge area.
• a light source cannot be protected from contamination, particularly from cooking, or only inefficiently so.
• the object of the invention is, in particular but not limited to, providing a generic device with improved user-friendliness and protection. This object is achieved according to the invention by the features of claim 1, claim 10 and claim 11, while advantageous embodiments and further developments of the invention can be found in the dependent claims.
• the invention relates to a cooktop device with a mounting plate and a radiation source unit.
• the radiation source unit be designed to radiate through an outermost edge area of the mounting plate.
• This design allows for particularly precise marking of the outermost edge area, thereby advantageously increasing safety and/or ease of use.
• the precise marking of the In the outermost edge area safety can be achieved, in particular, by precisely defining the boundaries for placing objects on the base plate.
• at least one process such as the extraction of steam, can be made particularly visible in the outermost edge area, thereby increasing ease of use.
• the cooktop's visibility can be improved with the cooktop device, whereby the edges of the structure correspond particularly precisely to areas marked by the radiation source unit.
• the safety, efficiency, and/or service life of the radiation source unit can be advantageously increased by protecting the at least one radiation source unit from contamination, particularly from liquids, vapors, and/or solids caused by the cooking process, by radiating through the base plate.
• the term "cooktop device” is understood to mean, in particular, at least a part, especially a sub-assembly, of a cooktop, and may also include accessory units for the cooktop, such as a sensor unit for externally measuring the temperature of a mounting unit.
• the cooktop device may also comprise the entire cooktop.
• the cooktop may be designed as an induction cooktop and/or as a resistance cooktop.
• the cooktop is preferably designed as a range cooktop, which in particular has an integrated range hood.
• the range cooktop is in particular designed as a cooktop with downward-facing ventilation, especially as a downdraft cooktop.
• the cooktop for example, the cooktop device, preferably has a power transfer unit with at least one power transfer element, in particular a power transfer coil, for example, a heating coil.
• the power transfer unit may be designed as a power supply unit for an inductive power supply and/or as any heating unit that would appear suitable to a person skilled in the art.
• the cooktop, in particular the energy transfer unit is preferably designed to transfer energy to a stand-alone unit placed on the base plate, in particular to supply energy to and/or heat this unit.
• the stand-alone unit can be designed as a cooking vessel or as a small household appliance, in particular as a small cooking appliance.
• the cooking vessel is, for example,
• the appliance may be designed as a pot, pan, roaster, or other cooking vessel that would be considered suitable by a person skilled in the art.
• the small household appliance is preferably portable and, in particular, can be transported manually by the user.
• the small household appliance has at least one electrical functional unit, for example, an electric motor and/or a sensor unit and/or the like, which can be operated by means of inductive energy emanating from the energy transfer unit.
• the small household appliance may, for example, be designed as a food processor, rice cooker, air fryer, blender, kettle, coffee maker, smart pot, and/or the like.
• the energy transfer unit is preferably located at least partially, and more preferably completely, below the base plate.
• the mounting plate is designed for setting up the mounting unit for energy transfer to the mounting unit.
• the mounting plate is preferably plate-like.
• a "plate-like” element is understood to be an element having a material thickness, preferably a thickness, which is preferably a maximum of 50%, more preferably a maximum of 20%, more preferably a maximum of 10%, and most advantageously a maximum of 5% of a length and/or width of the element, wherein the element has, in particular, opposing sides, each having a flat, especially smooth, surface.
• the mounting plate is preferably formed in one piece and/or as a single unit.
• the mounting plate preferably has a top surface facing the mounting unit when set up and, in particular, a bottom surface facing away from the mounting unit when set up, especially towards the energy transfer unit.
• the top surface and/or the bottom surface are preferably arranged at least substantially parallel to a main plane of extension of the mounting plate.
• the term "at least substantially parallel” here refers in particular to an alignment of a direction and/or a plane relative to a reference direction and/or a reference plane, wherein the direction and/or the plane exhibits a deviation from the reference direction and/or the reference plane of, in particular, less than 8°, advantageously less than 5°, and especially advantageously less than 2°.
• the "principal extent plane" of a component or element shall be understood to mean, in particular, a plane that is parallel to a major side face of the smallest possible imaginary cuboid that just completely encloses the component or element, and in particular passes through the center of the cuboid.
• the mounting plate preferably has a constant thickness.
• the mounting plate is designed as a cooktop, in particular made of glass and/or glass-ceramic and/or another material that would appear suitable to a person skilled in the art.
• the mounting plate can be designed as a kitchen worktop, in particular made of a non-metallic material.
• the kitchen worktop in particular in contrast to the cooktop, is additionally designed to provide a food preparation area in which, in particular, cutting and/or mixing and/or pounding and/or peeling of food could be carried out.
• the mounting plate is preferably at least partially, in particular at least in the outermost edge region, preferably completely, at least partially, permeable, in particular transparent or translucent, to radiation emanating from the radiation source unit.
• a translucent design can significantly improve ease of use by reducing the visibility of the radiation source unit beneath the mounting plate, particularly for the operator.
• the mounting plate is preferably designed to transmit the radiation from the radiation source unit, at least partially, and preferably at least largely, along a radiation path extending across the thickness of the mounting plate.
• the transmission of the radiation has a transmittance greater than 0.5, advantageously at least 0.7, preferably greater than 0.8, and most preferably at least 0.9.
• the radiation source unit is specifically designed to radiate from its outermost edge.
• the radiation transmitted through the mounting plate can, in particular due to refraction and/or wavelength-dependent absorption and/or reflection and/or scattering of the radiation in and/or at the mounting plate and/or due to a change in polarization and/or due to another effect known to those skilled in the art, deviate at least partially from the radiation emitted directly at the radiation source unit, for example with respect to a wavelength and/or a color and/or an intensity and/or a polarization and/or the like.
• the radiation transmitted through the mounting plate can, at least in the
• the radiation emitted directly from the radiation source unit corresponds substantially to the radiation, in particular with respect to at least a wavelength and/or a color and/or an intensity and/or a polarization and/or the like.
• the radiation source unit is designed to emit radiation into the outermost edge region.
• the radiation source unit preferably has at least one radiation element, which is designed, in particular, to emit radiation into at least a subsection of the outermost edge region.
• the radiation element is preferably designed as an LED.
• another design of the radiation element that would appear suitable to a person skilled in the art would be conceivable, for example, as an incandescent bulb or the like.
• the radiation source unit preferably has a plurality, in particular at least two, radiation elements, which are preferably identical to each other. Alternatively, the at least two radiation elements can each be designed differently from each other.
• the radiation source unit, in particular the at least one radiation element is preferably designed to emit at least, for example, only, visible radiation.
• the radiation source unit can be designed as a light source unit with at least one radiation element designed as a luminaire.
• the radiation source unit is preferably designed to emit radiation into at least a portion, preferably the entire outermost edge region, and in particular to illuminate this area.
• the radiation is preferably in the form of light.
• the radiation transmitted through the mounting plate is at least partially visible, wherein the transmitted radiation is in particular based at least on visible radiation emitted by the radiation source unit.
• the outermost edge region can be marked for the operator in a particularly simple manner, in particular displayed to the human eye.
• the radiation source unit is designed to emit infrared and/or ultraviolet radiation.
• the radiation source unit is designed to emit other radiation that appears useful to those skilled in the art.
• the radiation transmitted through the mounting plate can be at least partially infrared and/or ultraviolet, wherein the transmitted radiation is in particular based at least on infrared and/or ultraviolet radiation emitted by the radiation source unit.
• advantageous radiation can be used to mark the outermost edge area for machine detection, For example, a detection camera that views the cooktop from above could be used.
• the mounting plate is designed to convert invisible radiation, particularly infrared and/or ultraviolet radiation emitted by the radiation source unit, into visible radiation.
• the outermost edge region describes, in particular, at least an area and/or a volume of the mounting plate at an outermost edge of the mounting plate.
• the radiation source unit is provided, in particular, for marking the outermost edge by means of radiation from the outermost edge region.
• the outermost edge region comprises at least a portion of at least one side surface of the mounting plate, wherein the side surface extends, in particular, at least substantially perpendicular to the top and/or the bottom and preferably forms a termination of the mounting plate.
• the expression "at least substantially perpendicular” here is intended, in particular, to define an orientation of a direction and/or a plane relative to a reference direction and/or a reference plane, wherein the direction and/or the plane and the reference direction and/or the reference plane, in particular when viewed in a projection plane, enclose an angle of 90° and the angle has a maximum deviation of, in particular, less than 8°, advantageously less than 5°, and most advantageously less than 2°.
• the outermost edge region has at least one edge of the mounting plate, at least partially, preferably completely, wherein the at least one edge is formed, in particular, between the top and the side surface and/or between the top and the bottom.
• the radiation source unit is preferably designed to radiate through the edge and, in particular, to illuminate it, at least partially, and in particular completely.
• the outermost edge region extends at least from the bottom to the edge, in particular in a direction parallel to the thickness of the mounting plate.
• the outermost edge region can comprise a portion of the bottom and, in particular, a portion of the top of the mounting plate.
• the outermost edge region can extend from the portion of the bottom to the portion of the top of the outermost edge region and have a thickness that corresponds to the thickness of the mounting plate.
• the outermost edge region preferably has a thickness, in particular along a direction parallel to the thickness of the mounting plate, that is less than or equal to the thickness of the mounting plate.
• the width is at least 1 mm, preferably at least 2 mm, particularly preferably at least 2.5 mm, and particularly advantageously at least 3 mm.
• the width is preferably a maximum of 15 mm, more preferably a maximum of 10 mm, particularly preferably a maximum of 7 mm, and particularly advantageously a maximum of 5 mm.
• other larger or smaller values for the width that would appear reasonable to a person skilled in the art would be conceivable.
• the term "intended” is understood to mean specifically programmed, designed, and/or equipped.
• the fact that an object is intended for a specific function is understood to mean, in particular, that the object fulfills and/or executes this specific function in at least one application and/or operating state.
• the radiation source unit particularly in its entirety, be arranged below the mounting plate.
• the radiation source unit is arranged on a side of the mounting plate facing away from the side intended for mounting the mounting plate, particularly the top side.
• the mounting plate can advantageously protect the radiation source unit from contamination, especially caused by a cooking process in and/or on the mounting plate above the mounting plate.
• the radiation source unit is preferably attached to the underside of the mounting plate.
• the radiation source unit in particular the at least one radiation element, can be designed to emit radiation at least substantially parallel to the top and/or the underside, wherein the cooktop device, in a radiation path between the radiation source unit and the mounting plate, has in particular at least one radiation deflection element for deflecting the emitted radiation in a direction at least substantially perpendicular to the top and/or the underside.
• the radiation source unit is preferably part of a radiation output unit, which may additionally include at least one radiation deflection element and is particularly designed to emit the radiation and direct it to the mounting plate.
• the radiation output unit is preferably designed to emit the radiation in the direction of the mounting plate, in particular at least substantially perpendicular to the top and/or bottom.
• the radiation output unit can be freely
• the radiation source unit, in particular the at least one radiation element may be designed to emit radiation in the direction of the mounting plate, wherein a radiation path between the radiation source unit and the mounting plate may, in particular, be free of a radiation deflection element.
• the radiation source unit, in particular the at least one radiation element may be designed to emit radiation at least substantially perpendicular to the top and/or the bottom.
• the cooktop device preferably has at least one blocking element for blocking the radiation, particularly outside the outermost edge region.
• the blocking element preferably limits the outermost edge region, particularly in a viewing direction perpendicular to the top of the mounting plate, at least on one side, particularly on a side opposite the edge.
• the blocking element is arranged below the mounting plate.
• the blocking element is preferably connected to the underside of the mounting plate, particularly by contact.
• the blocking element is preferably plate-like.
• the blocking element can be designed as a plate, particularly a rigid one.
• the connection between the blocking element and the mounting plate can be designed to be separable without damage.
• the blocking element can be designed as a film and/or as a printed ink layer and/or the like, particularly with a thickness of a maximum of 5 mm, advantageously 3 mm, preferably a maximum of 2 mm, particularly preferably a maximum of 1 mm, and particularly advantageously a maximum of 0.5 mm.
• the locking element and/or at least another locking element is arranged on the top of the mounting plate and/or that the mounting plate is opaque at least outside the outermost edge area, at least for the radiation of the radiation source unit and in particular opaque.
• the outermost edge area has a beveled and/or rounded section of the mounting plate.
• the beveled and/or rounded section is preferably designed as the beveled and/or rounded edge.
• ease of use can be improved by enhancing the aesthetics through illumination of the beveled and/or rounded section.
• the radiation source unit is specifically designed to... to radiate through the beveled and/or rounded area of the mounting plate.
• the visibility of the outermost edge area can be further increased by means of radiation through the beveled and/or rounded area.
• Radiation emanating from the mounting plate, caused by the radiation source unit preferably has at least one horizontal directional component and/or at least one directional component parallel to the top surface of the mounting plate.
• the mounting plate has a recess adjacent to the outermost edge area.
• the recess can be advantageously characterized by means of radiation.
• the recess can provide at least one function of the cooktop.
• the recess is preferably designed as part of a channel of the cooktop and/or can be configured to accommodate at least one functional element, for example, a plate, for instance, to enhance the aesthetics and/or to provide a cooling area for the mounting unit or the like.
• the recess penetrates the mounting plate, preferably completely, in particular along a direction from the underside to the top.
• the recess can be at least substantially square, and in particular at least substantially rectangular, wherein the shape of the recess deviates from a purely square, and in particular rectangular, shape by at most 25%, preferably by at most 10%, and preferably by at most 5%.
• the recess can have any shape that appears sensible to a person skilled in the art, for example, an at least substantially oval or circular shape, or the like.
• the recess is preferably located between the energy transfer elements and, in particular, in the center of the mounting plate, especially in a viewing direction perpendicular to the top surface of the mounting plate.
• the recess is located in an end region of the mounting plate, for example, on a user interface of the cooktop and, in particular, on a side of the mounting plate facing away from the user, or in another region of the mounting plate that appears sensible to a person skilled in the art.
• the outermost edge area can border at least one further recess in the mounting plate and/or an outer end area of the The mounting plate, which in particular encloses the entire remainder of the mounting plate, must be arranged.
• the recess be designed as an extraction opening.
• the cooktop is designed as an extraction cooktop, in particular as a range cooktop with a range hood.
• the extraction of steam through the opening, and thus in particular the extraction effect can be made visible by means of radiation, which can particularly increase ease of use.
• lighting can be provided in the area of the extraction opening.
• the outermost edge is preferably designed as an outermost extraction edge area.
• the edge of the extraction opening can be marked with particular precision.
• the extraction opening is preferably part of an extraction duct of the cooktop and in particular forms its beginning, especially along an extraction direction.
• the cooktop preferably has at least one fan unit to provide extraction power.
• the cooktop has at least one filter unit for filtering at least the extracted medium, in particular in the extraction duct.
• the cooktop device has at least one cover element which can be received within the recess with at least substantially no overlap.
• the cooktop device has exactly one cover element for receipt in the recess.
• the cover element is received in the recess at least when the extractor unit, in particular the fan unit, of the cooktop is not in operation.
• ease of use can be increased, in particular by improving the aesthetics and/or cleaning efficiency of the cooktop device, especially the cooktop itself.
• the cover element is preferably designed to close the recess and, in particular, the extraction duct within the recess. In particular, the entry of an object and/or liquid into the extraction duct through the recess closed by means of the cover element can be prevented.
• the cover element is preferably designed to fit snugly in the recess and, in particular, is shaped to fit the recess.
• the cover element is plate-like and has a thickness at least substantially corresponding to the thickness of the
• the mounting plate is fitted with a cover element, wherein the thickness of the cover element differs from the thickness of the mounting plate by less than 25%, preferably less than 10%, and most preferably less than 5%.
• the cover element can be designed to seal the recess in a liquid-tight and/or gas-tight manner.
• the cover element, which is received in the recess preferably contacts the side surface of the mounting plate in its outermost edge region.
• the cover element can be at least partially, and in particular completely, opaque to the radiation from the radiation source unit.
• the cover element is designed to block a radiation path emanating from the radiation source unit through the side surface.
• the cover element is at least partially transparent or translucent to the radiation emanating from the radiation source unit, wherein in particular at least one radiation path of the radiation radiating through the side surface passes through the cover element.
• the cover element can be made of the same material as the mounting plate.
• the cover element is to be received, in particular, at least in one, and especially in every, viewing direction parallel to the top surface of the mounting plate, with at least substantially no overlap. In a state received in the recess, the cover element is aligned, in particular, parallel to the mounting plate.
• a surface of the cover element in the received state is arranged, at least substantially, in the same plane as the top surface of the mounting plate, wherein the offset between a plane of the surface of the cover element and a plane of the top surface of the mounting plate is, in particular, at most 25%, preferably less than 10%, and most preferably a maximum of 5% of the thickness of the cover element and/or the mounting plate.
• the cover element is to be completely received in the recess.
• the cover element is completely received in the recess, at least when the extractor fan is not in operation.
• the cover element is to be received in the recess flush with the top surface of the mounting plate.
• the cover element can be permanently, in particular at least without tools and/or non-destructively, inseparably connected to the mounting plate.
• the cover element can be pivotably connected to the mounting plate relative to the mounting plate.
• the cover element can be designed as a hinged element, which, in particular, can be pivoted relative to the mounting plate, at least to the point of insertion into the recess.
• the cover element can be completely removed from the recess, especially without tools, and in particular that it can be reinserted into the recess to receive the cover element.
• the mounting plate have a volume and/or surface treatment, in particular a matting, in its outermost edge region.
• the visibility of the radiation emitted through the outermost edge region can be increased by enhanced scattering of the radiation by the volume and/or surface treatment.
• the surface treatment can, for example, include roughening and/or texturing of the surface.
• the volume treatment can, for example, be designed as the introduction of particles acting as scattering centers, at least in the outermost edge region of the mounting plate. Alternatively, any other volume and/or surface treatment that appears suitable to a person skilled in the art, in particular for providing scattering centers, is conceivable.
• the radiation emitted by the radiation source include at least one status indicator.
• this status indicator can be communicated to the operator in a particularly efficient and, in particular, intuitive manner.
• the status indicator is preferably configured as information regarding the exhaust unit, especially the fan unit, and/or regarding the recording status of the cover element.
• the status indicator can be configured as a wavelength, especially a color, of the radiation and/or as a pulse frequency, especially a flashing frequency, of the radiation and/or as an intensity of the radiation.
• the status indicator can be configured as a pattern of the radiation resulting from separate control of the radiation elements.
• the status information is in the form of information regarding a run-on mode, in particular of the fan unit, after switching off and/or reducing the power transfer unit and/or regarding an extraction stage of the fan unit and/or regarding a maintenance status, for example as a maintenance instruction for a filter change and/or filter cleaning and/or the like, and/or regarding a switch-off state of the cooktop, in which in particular the cover element is received in the recess, and/or as another information that appears meaningful to a person skilled in the art.
• the system provides status information regarding the cooktop device and/or, in particular, the cooktop itself.
• the radiation can function as ambient lighting, at least when the cooktop is switched off.
• the cooktop device preferably includes at least one control unit for determining the status information and controlling the radiation source based on that information.
• the cooktop device preferably has at least one radiation guidance element for directing radiation from the radiation source unit to the outermost edge region. It is further proposed that the cooktop device has at least one light guide and/or a reflector for directing radiation from the radiation source to the outermost edge region.
• the efficiency of the radiation transmission to the outermost edge region can be increased, particularly by reducing intensity loss along the radiation path.
• the position and/or service life of the radiation source unit can be improved, as the radiation guidance element allows it to be located, in particular, outside a heating zone with a lower limit temperature of the energy transfer unit.
• the radiation guidance element is preferably configured as the light guide and/or the reflector.
• the aforementioned radiation deflection element preferably configured as a radiation guidance element, is preferably configured as the light guide and/or the reflector.
• the radiation guidance element for example, the light guide
• the light guide is configured for a straight transmission of the radiation, in particular without deflection.
• the light guide and/or the reflector is designed to change the direction of radiation, in particular to deflect it, between the radiation source unit and the mounting plate.
• the light guide and/or the reflector are preferably designed to deflect the radiation emitted from the radiation source unit, in particular at least substantially parallel to the top and/or bottom surface, in a direction at least substantially perpendicular to the top and/or bottom surface.
• the radiation guiding element in particular the radiation deflection element, preferably the light guide and/or the reflector, is preferably designed to change the direction of propagation of the radiation by at least substantially 90°, wherein the change is preferably by a maximum of 8°, advantageously by less than 5°, and particularly advantageously by a maximum of 2° of 90°.
• the optical fiber and/or reflector are preferably designed for at least one reflection of the radiation.
• the optical fiber is preferably designed as a waveguide with at least one fiber, for example, at least one optical fiber.
• the optical fiber and/or reflector can be designed to guide radiation emanating from only one radiation element or from more than one radiation element of the radiation source unit.
• the cooktop device can have more than one optical fiber and/or reflector.
• the optical fiber can be designed to change the direction of propagation of the radiation by at least substantially 90° in the direction of the cooktop.
• the optical fiber can be designed to transport the radiation to sub-regions of the outermost edge area that are remote from the radiation element and, in particular, to provide more than one deflection of the direction of propagation of the radiation.
• the cooktop device can, for example, comprise only a light guide and/or reflector, wherein the light guide is preferably annular in shape corresponding to the outermost edge region and is specifically designed to direct all radiation from the radiation source unit to the outermost edge region.
• the annular light guide is preferably designed to illuminate the entire outermost edge region.
• the light guide can be attached to the underside of the mounting plate, for example, by means of an adhesive bond.
• the method preferably comprises at least one process step, particularly an emission step, in which the radiation source unit emits radiation.
• the radiation source unit emits radiation, particularly in the emission step, through the outermost edge region.
• At least one light guide, particularly one of the aforementioned devices, and/or one reflector, particularly one of the aforementioned devices, of the cooktop device can direct the radiation, particularly in the emission step, to the outermost edge region.
• the method can comprise a further process step, particularly a status output step, in which the The radiation source unit is preferably designed to output and/or change at least one status piece of information, in particular the one mentioned above.
• the cooktop device, the cooktop, and the method for operating the cooktop device are not limited to the application and embodiment described above.
• the cooktop device, the cooktop, and the method for operating the cooktop device may, to achieve a functionality described herein, comprise a different number of individual elements, components, units, and process steps than specified herein.
• Figure 1 shows an oblique top view of at least part of a cooktop 50a.
• the cooktop 50a is designed as a range cooktop 52a, in particular as a downdraft cooktop.
• the cooktop 50a has a range extraction unit (not shown), in particular for downward extraction.
• the cooktop 50a, in particular the range extraction unit has at least one extraction duct (not shown) and at least one fan unit (not shown) for driving an extraction along the extraction duct.
• the extractor hood is currently in an open state. In this open state, the extractor hood is ready for extraction operation.
• the cooktop 50a has a support plate 12a.
• the support plate 12a is designed to support at least one mounting unit 54a on a top surface 22a of the support plate 12a.
• the support plate 12a is designed as a cooktop surface.
• the support plate 12a is made of glass and/or glass-ceramic. Alternatively, a different material composition that would be considered sensible by a person skilled in the art and/or a design of the support plate 12a as a kitchen worktop are conceivable.
• the cooktop 50a has an energy transfer unit 56a for transferring energy to at least one mounting unit 54a placed on the base plate 12a.
• the energy transfer unit 56a is designed to transfer energy, in this case heating, to a mounting unit 54a placed above an energy transfer element 58a on the base plate 12a.
• the energy transfer unit 56a is designed to transfer energy to the mounting unit 54a when it is placed on at least one energy transfer zone 60a of the cooktop 50a, which is fixedly arranged on the base plate 12a and is specifically designed as a heating zone.
• the energy transmission unit 56a has a matrix-like structure and is designed to form a variable energy transmission area.
• the energy transfer unit 56a comprises at least one energy transfer element 58a.
• the energy transfer element 58a is designed as an energy transfer coil, in this case, for example, as a heating coil.
• the energy transfer element 58a is assigned to a respective energy transfer zone 60a.
• the energy transmission unit 56a can be designed as an energy supply unit for an inductive power supply of the installation unit 54a.
• the installation unit 54a is designed in this case as a cooking vessel.
• the installation unit 54a can be designed as a small household appliance, in particular as a small cooking appliance, which can be supplied with power inductively from the energy transmission unit 56a.
• the mounting plate 12a has a recess 18a, to which an outermost edge region 16a adjoins.
• the recess 18a penetrates the mounting plate 12a completely along a direction 66a at least substantially perpendicular to the upper surface 22a.
• the recess 18a is, in this case, at least substantially rectangular.
• the recess 18a is arranged between the energy transfer elements 58a.
• another shape and/or arrangement of the recess 18a that would appear sensible to a person skilled in the art is conceivable.
• the recess 18a is designed as an extraction opening 28a.
• the recess 18a is part of the extractor hood unit.
• the recess 18a forms the beginning of the extractor hood duct.
• the cooktop 50a has a cooktop device 10a.
• the cooktop device 10a is designed as a range hood cooktop device.
• the cooktop device 10a has the mounting plate 12a.
• the cooktop device 10a is free of the The extractor hood unit of the cooktop 50a is designed.
• the cooktop device 10a could, for example, at least partially incorporate the extractor hood unit.
• the cooktop device 10a includes a radiation source unit 14a.
• the radiation source unit 14a is designed to emit at least visible radiation. In this case, the radiation source unit 14a is designed to emit only visible radiation.
• the radiation from the radiation source unit 14a is in the form of light.
• the radiation source unit 14a is designed as a light source unit.
• the radiation source unit 14a is at least partially intended to emit radiation with a wavelength different from visible radiation, for example infrared and/or ultraviolet radiation.
• the radiation source unit 14a has at least one radiation element 24a (see Figure 2
• the at least one radiation element 24a is designed to emit radiation.
• the radiation element 24a is configured as a light source.
• the radiation element 24a is configured as an LED.
• any other configuration of the radiation element 24a that would appear sensible to a person skilled in the art would be conceivable.
• the radiation source unit 14a has at least two radiation elements 24a, of which only one radiation element 24a is designated (cf. Figure 2 The radiation elements 24a are identical in design.
• the radiation source unit 14a is designed to emit radiation through the outermost edge area 16a of the mounting plate 12a.
• the radiation source unit 14a is designed to emit radiation into the entire outermost boundary region 16a in at least one operating state.
• the radiation source unit 14a is designed to illuminate the entire outermost boundary region 16a in at least one operating state.
• the mounting plate 12a is designed to transmit at least a large part of the radiation, at least in the outermost edge area 16a.
• Figure 2 shows a schematic sectional view of at least part of the cooktop device 10a.
• the outermost edge region 16a is formed as a volume of the mounting plate 12a at an outermost edge 36a of the mounting plate 12a.
• the outermost edge region 16a has at least one side surface 42a of the mounting plate 12a.
• the side surface 42a extends at least substantially perpendicular to the top surface 22a.
• the outermost edge region 16a has at least one edge 46a of the mounting plate 12a.
• the edge 46a is formed between the top surface 22a and the side surface 42a.
• the radiation source unit 14a is arranged below the mounting plate 12a.
• the cooktop device 10a has at least one radiation output unit 62a.
• the radiation output unit 62a is designed to emit radiation and make it available at the base plate 12a.
• the radiation output unit 62a is designed to output the radiation to the base plate 12a.
• the radiation output unit 62a is arranged below the mounting plate 12a.
• the radiation output unit 62a is designed to emit the radiation at least substantially perpendicular to the upper surface 22a of the mounting plate 12a.
• the radiation output unit 62a comprises at least the radiation source unit 14a.
• the radiation output unit 62a in this case comprises at least one radiation guidance element 64a.
• the radiation source unit 14a is designed to emit radiation at least substantially parallel to the upper surface 22a.
• the radiation guidance element 64a is configured as a radiation deflection element and is designed to change at least one direction of radiation propagation.
• the radiation guidance element 64a is designed to deflect the radiation.
• the radiation guidance element 64a is designed to change the direction of radiation propagation by at least substantially 90°.
• the cooktop device 10a has at least one light guide 32a for radiation guidance from the radiation source unit 14a to the outermost edge region 16a.
• the radiation guidance element 64a is designed in this case as the light guide 32a.
• the cooktop device 10a has at least one blocking element 30a for blocking radiation outside the outermost edge region 16a.
• the blocking element 30a is arranged below the mounting plate 12a.
• the blocking element 30a extends along the mounting plate 12a outside the outermost edge region 16a.
• the blocking element 30a limits the outermost edge region 16a at least on one side.
• the blocking element 30a limits the outermost edge region 16a opposite the side surface 42a at least for a view in the direction 66a perpendicular to the surface 22a.
• the blocking element 30a is designed as a blocking pressure.
• the outermost edge region 16a has a chamfered area 26a of the mounting plate 12a.
• the chamfered area 26a is formed between the top surface 22a and the side surface 42a of the mounting plate 12a.
• the chamfered area 26a is formed as the chamfered edge 46a.
• the outermost edge area 16a can have a rounded area of the mounting plate 12a, which is in particular designed as a rounded edge 46a.
• the emission from radiation source unit 14a contains at least one status information.
• the radiation source unit 14a is designed to output status information at least by means of a radiation color.
• the status information can be output by a pulse duration and/or an output pattern of the radiation.
• the status information can be output by the intensity of the radiation.
• the status information can be configured as information regarding a run-on mode of the fan unit after switching off the power transfer unit 56a.
• the status information can be designed as information regarding an extraction stage of the fan unit.
• the status information can be designed as a maintenance notice, for example regarding a filter change and/or filter cleaning.
• the status information can indicate a switched-off state of the cooktop 50a, in which a cover element 20a is inserted in the recess 18a.
• the status information can be any status information relating to the cooktop device 10a and/or the cooktop 50a that appears meaningful to the person skilled in the art.
• the cooktop device 10a has a control unit 38a, which is designed to control the radiation source unit 14a to output status information.
• the control unit 38a is designed in this case as at least one electronic circuit board 40a.
• the control unit 38a can, for example, be connected electronically and/or electrically to an operator interface (not shown) of the cooktop 50a and/or to at least one further control unit (not shown) of the cooktop 50a and/or to at least one sensor unit (not shown) of the cooktop 50a for the purpose of determining the status information.
• the cooktop device 10a has at least one housing 70a for receiving the radiation source unit 14a.
• the at least one housing 70a is provided for receiving the radiation guidance element 64a, in this case the light guide 32a.
• the at least one housing 70a is provided for receiving the control unit 38a.
• the mounting plate 12a has a surface treatment 44a in the outermost edge area 16a.
• the surface treatment 44a is shown here as an example of a matting 48a.
• the mounting plate 12a can have any other surface treatment that appears sensible to a person skilled in the art and/or a volume treatment in the outermost edge area 16a.
• FIG. 3 The hob 50a is shown in a closed state of the extractor hood unit.
• the cooktop device 10a includes the cover element 20a, which can be received within the recess 18a with at least substantially no overlap.
• the cover element 20a is received in the recess 18a when the extractor hood is closed.
• the cover element 20a can be received in the recess 18a to close the extraction duct.
• the cover element 20a can be positively fitted into the recess 18a.
• the cover element 20a is designed in a plate-like form.
• the cover element 20a is opaque to the radiation from the radiation source unit 14a.
• the cover element 20a is designed to block radiation from the radiation source unit 14a emanating from at least one side surface 42a.
• the cover element 20a can be received in the recess 18a in a viewing direction 68a parallel to the top surface 22a, at least substantially without overlap.
• the cover element 20a can be received completely in the recess 18a.
• the cover element 20a can be received flush with the mounting plate 12a, in particular with the top surface 22a, in the recess 18a.
• Figure 5 shows a flowchart of a method for operating the cooktop device 10a, wherein the at least one radiation source unit 14a radiates through the outermost edge area 16a of the mounting plate 12a.
• the process includes an emission step 100a in which the radiation source unit 14a emits radiation.
• emission step 100a the radiation source unit 14a emits radiation through the outermost boundary region 16a.
• the procedure includes a status output step 102a, in which the radiation source unit 14a changes the radiation to an output of status information, for example, a status information changed with respect to a status information output in emission step 100a.
• Figure 6 Figure 1 shows a cooktop device 10b with at least one radiation guidance element 64b in an alternative embodiment, in an open state of a cooktop extractor unit (not shown) which has the cooktop device 10b.
• the cooktop device 10b has at least one reflector 34b for radiation guidance from a radiation source unit 14b to an outermost edge region 16b.
• the radiation guidance element 64b is designed as the at least one reflector 34b.
• Figure 7 Figure 10b shows the cooktop device in a closed state of the extractor hood unit.
• Figure 8 shows a cooktop device 10c with a radiation output unit 62c in an alternative embodiment, in an open state of a cooktop extractor unit (not shown) which has the cooktop device 10c.
• the radiation output unit 62c is designed without a radiation guidance element.
• a radiation path from a radiation source unit 14c of the cooktop device 10c to a mounting plate 12c of the cooktop device 10c is designed without any change in direction.
• the radiation source unit 14c is designed for this purpose. intended to emit radiation at least substantially perpendicular to a top surface 22c of the mounting plate 12c.
• Figure 9 Figure 10c shows the cooktop device in a closed state of the extractor hood unit.

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• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Electric Stoves And Ranges (AREA)

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• 2024
  • 2024-05-02 DE DE102024204100.9A patent/DE102024204100A1/de active Pending
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  • 2025-04-24 EP EP25172413.4A patent/EP4644780A1/fr active Pending

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