Device for operating a kitchen appliance in the form of a hob and / or an extractor hood

Abstract

The operating device (31) for operating a built-in kitchen appliance in the form of a hob and / or an extractor hood has a housing (32) for accommodating electronic components and is designed as a separate component, in particular removable without tools.

Description

[0001] The invention relates to a device for operating a kitchen appliance in the form of a hob and / or an extractor hood. The invention further relates to an insert for an extractor hood and an extractor hood. Finally, the invention relates to a hob system and an operating system for operating a kitchen appliance in the form of a hob and / or an extractor hood, in particular a hob with an extractor hood.

[0002] Cooktop extractors are becoming increasingly popular. They can be designed as compact units (assembled units) or as modular systems in which different modules can be combined with one another.

[0003] Corresponding hobs are known, for example, from WO 2012 / 146 237 A1, DE 10 2007 002 241 A1, and DE 10 2016 211 207 A1. A control element for a cooking appliance is known from DE102018209550A1.

[0004] There is a constant need to improve the operation of a cooktop extractor, or more generally, a kitchen appliance in the form of a cooktop and / or an extractor device. This object is achieved by the various aspects of the present invention.

[0005] According to one aspect of the invention, the device for operating (hereinafter also operating device) a kitchen appliance, in particular a built-in kitchen appliance, in the form of a hob and / or an extractor device, in particular a hob with an extractor device, is designed as a separate component.

[0006] This allows the control unit to be removed from the hob and / or extractor hood. The control unit is therefore also referred to as removable, removable, or removable. The control unit can be removed without tools.

[0007] The operating device can in particular serve as at least a partial cover for an inlet opening of an extractor device.

[0008] The operating device can preferably be integrated into the surface of the kitchen appliance to operate it.

[0009] The removable control panel provides greater flexibility. This will be explained in more detail below.

[0010] The removability also makes cleaning the control unit particularly easy.

[0011] According to one aspect, the housing of the operating device can be dishwasher-safe. This allows for particularly easy cleaning of the operating device.

[0012] A dishwasher-safe design of the housing is understood to mean, in particular, a design of the housing in which components arranged inside the housing, in particular electrical or electronic components, are not damaged during a wash cycle in the dishwasher.

[0013] However, the dishwasher-safe design of the control panel is not a mandatory feature. The other aspects can also lead to advantages worthy of protection independent of this feature.

[0014] According to one aspect, the housing can in particular be encapsulated.

[0015] The housing can be closed, in particular, by means of a cover. It can, in particular, be glued to the cover. A seal, in particular a circumferential seal, can be arranged between the housing and the cover.

[0016] The housing, in particular its interior, can preferably be designed to be dust-tight and / or splash-proof, in particular protected against temporary or permanent submersion.

[0017] This ensures reliable protection of the electrical and / or electronic components located in the housing.

[0018] The housing can, in particular, be designed to be splash-proof. It can, in particular, be designed according to a protection class with an IP code whose second digit is at least 4, in particular at least 5, in particular at least 6, in particular at least 7, in particular at least 8. The housing of the operating device can, in particular, be designed according to IP 68.

[0019] The operating device, in particular its housing, can preferably be heat-resistant, in particular up to a temperature of at least 200°C, in particular at least 300°C. This can be achieved by appropriately selecting the materials used to manufacture the operating device.

[0020] The heat resistance provides protection against damage from hot cookware, for example. Due to its heat resistance, the control unit can also be used as a trivet.

[0021] Preferably, the housing cover is scratch-resistant. This makes the control unit particularly robust. The control unit can also be used as a cutting board.

[0022] In particular, electrical and / or electronic components, in particular a printed circuit board, can be arranged in the housing.

[0023] According to a further aspect, the operating device can have an input element in the form of a touch-sensitive sensor or screen for entering control data. Generally, the operating device can have one or more input elements. In addition to the aforementioned touch-sensitive elements, buttons, switches, or toggles can also serve as input elements. A combination of different such input elements can also be provided.

[0024] A touch-sensitive input element enables particularly comfortable operation.

[0025] The control device has an interface for transmitting data and / or power. This control device is also referred to as an active control device. This distinguishes it from passive control devices, which are also suitable for operating a device but lack active electrical / electronic control.

[0026] According to a further aspect, the interface of the operating device can have electrically conductive contact elements and / or one or more channels for wireless data and / or energy transmission.

[0027] The contact elements can be spring-loaded. This ensures reliable contact with complementary contact elements.

[0028] The contact elements can be metallic. They are preferably made of a stainless material. Gold pins, especially spring-loaded gold pins, can serve as contact elements.

[0029] In particular, an NFC interface (near field communication interface), particularly based on RFID technology (radio frequency identification, identification using electromagnetic waves), can serve as a wireless interface.

[0030] An inductive, capacitive system can be used for wireless power transfer (WPT). This system can comprise a WPT transmitter and a WPT receiver. It can, in particular, be a near-field system.

[0031] Corresponding systems are known, for example, from DE 10 2021 201 800 B3.

[0032] The control device can also be wirelessly integrated into a home network and / or coupled to other devices, in particular a mobile phone or a computer, in particular a tablet or laptop. It can, for example, comprise a Bluetooth module and / or a WLAN module and / or a mobile radio module.

[0033] The contact elements of the interface can be protected against moisture and / or contamination, in particular by means of a seal.

[0034] The interface can be formed, in particular, at the end of the housing. It can preferably be arranged on an underside of the housing or on a front side of the control device, in particular its housing. The interface is preferably not visible when the control device is properly inserted into the kitchen appliance. It is then also protected against contamination.

[0035] The operating device can also have two or more interfaces. In particular, it can have two interfaces arranged symmetrically to each other with respect to a central axis or a central plane. This can make it possible to insert the operating device into the kitchen appliance in two orientations rotated by 180° to each other.

[0036] According to a further aspect, the operating device can have a screen. This enables particularly convenient, user-friendly operation.

[0037] It can generally have an output element for outputting information.

[0038] The screen can be a TFT display, an LCD display or an LED screen, in particular an OLED screen.

[0039] Such screens are particularly flat, meaning they require little space. They also enable particularly high optical quality.

[0040] The screen may have a screen diagonal of at least 3 inches, in particular at least 4 inches, in particular at least 5 inches, in particular at least 8 inches, in particular at least 12 inches, in particular at least 16 inches.

[0041] In principle, the entire visible surface of the cover can be designed as a screen. The surface area of ​​the screen can, in particular, be at least 20%, in particular 30%, in particular 50%, in particular 70%, in particular 90% of the visible surface of the cover of the operating device.

[0042] The screen can be borderless. The width of the edge of the control element, which is not used to display information, can be at most 5 mm, in particular at most 3 mm, and in particular at most 1 mm.

[0043] Using suitable modules, the screen can be used to display a television program and / or to browse the Internet.

[0044] The screen can be bonded directly to the cover. An optically transparent resin (OCR) or an optically clear adhesive (OCA) can be used to fill the gap between the screen and the cover.

[0045] By directly bonding the screen to the cover, a particularly high optical quality can be achieved and ensured. This can improve readability, especially in difficult lighting conditions.

[0046] The housing of the control unit can be made of aluminum or plastic, for example. It can be designed, in particular, as an aluminum die-cast part or as an injection-molded plastic part.

[0047] The housing cover can be made of glass or glass ceramic, in particular. It can be made of the same material as the surface of a hob, in particular the same material as the surface of the hob that the control device is used to operate.

[0048] According to a further aspect, the operating device may comprise a loudspeaker and / or a voice coil drive.

[0049] These elements can also be located within the housing. They provide haptic feedback and / or sound output.

[0050] The operating device may also comprise means for sound input, in particular a microphone.

[0051] The operating device can in particular enable sound output and / or sound input.

[0052] The operating device can also have a camera.

[0053] The operating device can in particular enable image output and / or image input.

[0054] The operating device can, in particular, be multimedia-capable. It can, in particular, form a multimedia module.

[0055] According to a further aspect, the housing may have a cross-section tapering downwards.

[0056] This can lead to aerodynamic advantages.

[0057] The housing may, in particular, have a trapezoidal cross-section. It may also have concave, inwardly curved longitudinal sides.

[0058] The operating device can be inserted, in particular, into an inlet opening of a fume extractor. The housing preferably has a flow-influencing, in particular a flow-guiding, function. The housing can, in particular, have aerodynamically rounded sections. This can improve the inlet behavior.

[0059] The operating device, in particular the housing, can have one or more gripping elements, such as recessed grips. This can facilitate removal from the inlet opening.

[0060] The operating device, in particular the housing, can have a support surface. The support surface can allow the operating device to be set up. When set up, the visible side of the cover forms an angle in the range of 90° to 135° with a horizontal plane.

[0061] According to a further aspect, the operating device can be part of a filter insert.

[0062] The filter insert can, in particular, be an insert with a grease filter. The insert can also have a drip tray for collecting liquid.

[0063] The operating device can be connected to the filter insert in a removable manner, in particular without the use of tools. It can, in particular, be latchable to the filter insert. It can also be connected to the filter insert using one or more magnets.

[0064] For details of the filter insert, please refer to EP 3 475 622 A1.

[0065] A further object of the invention is to improve an insert, in particular a filter insert, for an extractor device.

[0066] This task is solved by an insert with an operating device according to the previous description and - a filter device for filtering cooking fumes, in particular a grease filter device, and / or - a collecting element for collecting liquid.

[0067] The advantages arise from those of the operating device.

[0068] The operating device can, in particular, be removably connected to the other components of the insert. The operating device can, in particular, be removably connected, in particular removably latchable, to the filter device, in particular to the filter element, and / or to the collecting element. The connected components can then be inserted together into the designated receiving space in the hob or extractor device or removed together from it. They can be separated from one another without tools. This can facilitate cleaning.

[0069] The collecting element can be used, in particular, to collect liquid, especially overflow liquid, that penetrates through the cooking vapor inlet opening. The collecting element can preferably have a volume of at least 100 ml, in particular at least 200 ml, in particular at least 300 ml, in particular at least 500 ml, in particular at least 1000 ml. This allows downstream components to be effectively protected from the penetration of liquid.

[0070] The filter device can comprise one or more filter elements, in particular grease filter elements. The filter elements can be plate-shaped. They can also be curved. The filter elements can also be designed as hollow filters, in particular with a cavity enclosed by filter material.

[0071] They can also be combination filters, especially for filtering a selection of grease, odors, microparticles and moisture.

[0072] With the aid of the insert, the operating device can be arranged, in particular aligned, in the flow area, in particular in a flow channel of an extractor hood. The operating device can in particular be arranged in the flow channel such that it is partially, in particular completely, surrounded by the flow channel on its circumference. It can in particular be arranged in the flow channel such that it is surrounded by the flow channel along its long sides. It can in particular be arranged in the flow channel such that it is spaced from the flow channel all the way around, in particular completely, or only along its long sides, i.e., leaving one or more inlet slots free.

[0073] A further object of the invention is to improve an extractor device, in particular in the form of a so-called downdraft extractor.

[0074] This object is achieved by a fume extractor device with an inlet opening at least partially surrounded by a frame and an operating device that can be reversibly inserted into the inlet opening. When inserted into the inlet opening, the operating device can, in particular, reduce the maximum flow cross-section defined by the inlet opening.

[0075] The operating device can in particular be designed such that, when inserted into the inlet opening, it reduces the effective flow cross-section by at least 30%, in particular at least 50%, in particular at least 70%.

[0076] This allows the flow velocity in the area of ​​the remaining free flow cross-section to be increased. This can lead to better extraction of cooking fumes. The ratio of the visible surface of the operating device when inserted into the inlet opening to the maximum free flow cross-section defined by the inlet opening can be at least 30%, in particular at least 50%, in particular at least 70%.

[0077] The operating device can form a flow-influencing element, particularly when used.

[0078] Because it can be removed from the inlet opening, it can offer additional functions. This simplifies operation and enhances the cooking experience. The removable control panel makes it easier to clean.

[0079] When inserted into the air inlet, the surface of the control unit can be flush with the top edge of the frame. This makes it particularly easy to integrate the control unit into a cooktop system.

[0080] When inserted into the inlet opening, an inlet slot, in particular a circumferential inlet slot, may remain, particularly laterally of the operating device, particularly between an edge of the operating device and the frame surrounding the inlet opening. Two slots may also be present, separated from each other by the operating device. The slots may extend, in particular, along the longitudinal sides of the operating device.

[0081] When inserted into the inlet opening, the operating device can also be completely circumferentially spaced from the flow channel. In this case, it can be surrounded by a circumferential slot. The extraction slot can, in particular, be designed to be simply continuous.

[0082] The shape of the frame, in particular its inner cross-section, can be adapted to the shape of the operating device, in particular its outer cross-section, in particular its housing.

[0083] The slots can, in particular, have a constant flow cross-section in the direction of flow. They can also have a flow cross-section that widens in the direction of flow. They can also have a flow cross-section that tapers in the direction of flow.

[0084] The frame can have rounded and / or beveled edges. This can improve, and in particular optimize, the flow-influencing properties of the frame.

[0085] According to an advantageous variant, the extraction slot(s) can be designed to be closable. To close the extraction slots, the extractor device and / or the operating device can have closure flaps. The inlet opening can also be completely covered, in particular closable, by the operating device. This can be achieved, for example, by inserting the operating device in a twisted position, in particular after rotation about its longitudinal axis. A separate closure element can also be provided to completely close the inlet opening.

[0086] Preferably, the extractor device has a flat upper surface when the inlet opening is partially or completely covered or closed. This can be arranged flush with an adjacent hob.

[0087] According to a further aspect, the operating device can be arranged in a second arrangement on or in the extractor device in addition to a first arrangement in the inlet opening such that it, in particular its longitudinal axis, is aligned obliquely to a plane defined by the inlet opening.

[0088] This can lead to better visibility of the screen.

[0089] The operating device can be oriented, in particular, around an adjustable viewing angle, in particular pivotable, in particular pivotable around one or two pivot axes.

[0090] This can particularly improve the use of the operating device as a multimedia device.

[0091] The operating device can also be pivotable within itself. It can, in particular, have one or more pivot axes. It can, in particular, have one or more hinged elements.

[0092] According to a further aspect, the extractor device, in particular the frame surrounding the inlet opening, can have one or more receiving elements for receiving, in particular for aligning and / or positioning, the operating device. The receiving elements can be formed on matching structures in the operating device, in particular on its housing.

[0093] The control unit can be mounted in the frame using a three-point support. This ensures a shake-free recording of the control unit in the frame.

[0094] The operating device, in particular its housing, and / or the frame surrounding the inlet opening, can have guide elements, such as webs, bevels, or guide rails. This can facilitate the insertion of the operating device into the inlet opening.

[0095] The operating device and / or the frame can, in particular, be designed such that the operating device is automatically guided into the correct position. The operating device is therefore also referred to as self-aligning.

[0096] One or more positioning magnets can be provided to guide and / or fix the operating device in the frame. The positioning magnets can be arranged in the operating device, in particular in or on its housing and / or in or on the frame.

[0097] The ability to insert or remove the control unit makes it interchangeable. This facilitates maintenance. It also makes it possible to provide different control units with different functionality, particularly with different functional scopes, for a specific extractor hood or hob system. For example, the simplest version of the control unit can only be used to operate the extractor hood and / or one or more hobs. Depending on the user's wishes or requirements, the control unit can assume more complex functions. For possible functions, please refer to the previous description.Depending on the customer's wishes, the extractor hood can be equipped with a minimalist control unit, a multimedia-capable control unit or a control unit that can be integrated into a home network.

[0098] For details of the operating system, please refer to the previous description.

[0099] The control unit can be used to operate the extractor hood and optionally also one or more hobs.

[0100] The extractor hood has one or more fans.

[0101] It can be a recirculation device, an exhaust air device, or an extractor hood device that enables both recirculation and exhaust air operation. In the latter case, it may be possible, in particular, to switch between recirculation and exhaust air operation using the operating device. In principle, such a selection can also be automated, in particular sensor-controlled. Likewise, switching between recirculation and exhaust air operation can also be prevented by sensors and / or external control signals. For example, exhaust air operation of the extractor hood device can be prevented if a fireplace is activated in the apartment. The latter can be detected by sensors. Exhaust air operation can also be prevented if the temperature difference between the outside and inside temperatures exceeds a predetermined value. This can generally contribute to energy savings.

[0102] According to a further aspect, the extractor device can have an odor filter module. The odor filter module can be removable. In particular, it can be connected to an inlet duct of the extractor device and / or to an exhaust opening of the fan housing.

[0103] The odor filter module has a filter seat. It may also have a filter change chamber. An odor filter can be reversibly arranged on the filter seat via the filter change chamber. The filter can be inserted into or removed from the filter change chamber, particularly through the cooking fume inlet.

[0104] The filter can be made up of one or more parts.

[0105] The filter may have a curved shape. This can facilitate insertion through the filter change chamber.

[0106] The filter can be designed to be reversibly deformable.

[0107] In particular, the filter change chamber allows tool-free access to an area downstream of the fan.

[0108] The filter change chamber can be designed to be closable, in particular hermetically sealed. It can be separated from an area upstream of the fan, in particular from a negative pressure area, by means of a flap. The closure element, in particular the flap, can be removed through the inlet opening of the downdraft extractor. It can separate a negative pressure area from a positive pressure area.

[0109] The filter change chamber can also be closed off from the removal opening by the filter itself. For this purpose, it may be sufficient for the filter to have a cross-section that essentially corresponds to the cross-section of the opening through which the filter is inserted into the filter change chamber, the removal opening.

[0110] In principle, a closure element for closing the opening to the filter change chamber can also be provided on the filter, in particular at one end thereof, in particular at one end in the longitudinal direction. The closure element on the filter can in particular be plate-shaped. It can preferably have a handle element by means of which the filter can be inserted into and removed from the filter change chamber.

[0111] One or more guide elements, such as guide rails, can be provided in the filter change chamber to guide the filter or filters when they are inserted into or through the filter change chamber.

[0112] The insertion and / or removal of the filter can be facilitated by aids such as springs, bearings, tabs or straps.

[0113] The filter seat can be located upstream of the fan. It can also be located downstream of the fan.

[0114] The aspects of the filter module are particularly advantageous independently of the other aspects of the present invention. They represent independent subject matter of the invention.

[0115] An object of the present invention is therefore also, in particular, an extractor hood device, in particular a modular extractor hood device, in particular for extracting cooking fumes downwards, with a filter change module.

[0116] Further advantages and details of the invention will become apparent from the description of exemplary embodiments with reference to the figures. They show: Fig. 1 schematically shows a view of a hob system with two hobs and a downdraft extractor arranged between them, Fig. 2 schematically shows a perspective view of a hob system with two hobs and a downdraft extractor arranged between them, Fig. 3 schematically shows an exploded view of a device for operating a cooking hob system according to one of the Fig. 1 or Fig. 2, Fig. 4 schematically shows a perspective view of an extractor device for a modular hob system, in particular according to Fig. 2, and Fig. 5 schematically shows a cross section through a further variant of a device for operating a hob system with an interface in the area.

[0117] In the following, the general components of a hob system 1 are described. The hob system 1 comprises at least one hob 2. In the Fig. The hob system 1 shown as an example in FIG. 1 includes two hobs 2. The hobs 2 can essentially be any type of hob. They can be, in particular, induction hobs, gas hobs, tepan yaki hobs, wok hobs, electric hobs or hotplates, grills, or other hobs. A hob is understood to be, in particular, a device for heating food, particularly in the form of a built-in kitchen appliance.

[0118] At the Fig. 1, control knobs 3 are provided for operating each of the hobs 2. Operation by means of touch-sensitive sensors, which can in particular be integrated into the hobs 2, is also possible. Operation via a separate control module is also conceivable. In this case, the hobs 2 can be designed to be non-autonomous, i.e. without their own control electronics. This can simplify the structure of the hobs 2. It is particularly possible to reduce the overall height of the hobs 2. It can in particular be no more than 10 cm, in particular no more than 6 cm, in particular no more than 5 cm, in particular no more than 4 cm, in particular no more than 3 cm, in particular no more than 2 cm.

[0119] A combination of different control elements is also possible. The hob system 1 can, in particular, comprise both control knobs 3 and one or more touch-sensitive input fields, in particular one or more touch-sensitive displays. Operation, in particular control of the hobs 2 and / or the extractor hood device described below, is possible, in particular, optionally via control knobs 3 and / or touch-sensitive input elements.

[0120] The hob system 1 further comprises a downdraft extractor 4. The downdraft extractor 4 forms a device for extracting cooking fumes. The term "downdraft extractor 4" refers in particular to the extraction device as a whole, and not just the actual fan.

[0121] The downdraft extractor 4, i.e., the extractor device, comprises one or more fans. The fans can, in particular, be designed as radial fans 21. However, this is not to be understood as a limitation. The radial fan(s) 21 can have one or more fan motors 22.

[0122] At the Fig. In the alternative shown in Figure 2, the downdraft extractor 4 is arranged between the two hobs 2. It can also be arranged to the side of the hobs 2 or in the area behind the hobs 2.

[0123] It may have a round, in particular a circular, cooking vapor inlet opening 5. In the illustrated alternative, the cooking vapor inlet opening 5 is elongated, in particular rectangular.

[0124] The cooking vapor inlet opening 5 has, in particular, an aspect ratio of at least 2:1, in particular at least 3:1, in particular at least 5:1, in particular at least 10:1. Typically, the aspect ratio of the cooking vapor inlet opening 5 is at most 100:1, in particular at most 50:1.

[0125] Multiple cooking vapor inlet openings 5 ​​may also be provided. It is particularly possible to provide two or more cooking vapor inlet openings 5, in particular slot-shaped cooking vapor inlet openings 5. These can, in particular, be aligned parallel to one another.

[0126] The cooking vapor inlet opening 5 can be reversibly closed, in particular at least partially, in particular completely, by means of a closure element. It can be covered, in particular, at least in part, by means of a closure element. In the case of multiple cooking vapor inlet openings 5, these can each be reversibly closed separately, i.e., independently of one another, by means of closure elements.

[0127] A control knob 7 is provided for operating the downdraft extractor 4. Operation using a touch-sensitive sensor is also possible.

[0128] The downdraft extractor 4, in particular the cooking vapor inlet opening, is arranged in particular in the area of ​​a cooking surface level 8. It serves to extract cooking vapors from the area above the cooking surface level 8 to an area below the cooking surface level 8. It is therefore also referred to as a downdraft system (downward extraction).

[0129] The cooking fume inlet opening 5 is preferably arranged stationary relative to the cooking surface plane 8.

[0130] According to an alternative not shown in the figures, the area of ​​the downdraft extractor 4 with the cooking fume inlet opening 5 can be displaced in a direction perpendicular to the hob plane 8.

[0131] It can be provided to arrange the cooking vapor inlet opening 5 a few millimeters above the hob level 8. This can significantly reduce the risk of liquid accidentally entering the downdraft extractor 4, particularly in the event of liquids boiling over. In particular, it can also be provided to design the cooking vapor inlet opening 5 such that it can be moved to a position a few millimeters above the hob level when the downdraft extractor 4 is in operation. In this case, it can be arranged flush with the hob level 8 when the downdraft extractor 4 is switched off.

[0132] The hob system 1 is modular. In this case, essentially freely selectable hobs 2 can be flexibly combined with one or more of the downdraft extractors 4.

[0133] The hob system 1 can also be designed as an assembly unit. In this case, one or more hobs 2 are integrated with one or more downdraft extractors 4 into a single system. They are arranged in a common housing. For installation, this housing simply needs to be inserted into a recess in a worktop 9.

[0134] In the area below the hob system 1, compartments, in particular drawers 10 of a kitchen base unit 11, can be used essentially without restriction.

[0135] The kitchen base cabinet 11 generally forms a piece of kitchen furniture. The hob system 1, in particular the downdraft extractor 4, can be integrated into the kitchen furniture. They can, in particular, be integrated into the kitchen furniture at the factory.

[0136] The mounting unit, in particular the downdraft extractor 4, preferably has a total height h in the range of less than 30 cm, in particular less than 25 cm, in particular less than 20 cm, in particular less than 18 cm, in particular less than 16 cm, in particular less than 15 cm. In particular, the mounting unit does not require more space under the worktop 9 for installation than a normal cutlery drawer.

[0137] For corresponding details and further information on the general structure of the hob system 1, reference is made to EP 2 702 329 A1 and EP 3 475 622 B1, which are hereby fully incorporated into the present application as part of the latter.

[0138] Whenever the fans, motors or other components are referred to in the plural below, the generic plural, which includes the singular, is to be understood unless it is clear from the context that a plurality of corresponding elements is specifically required.

[0139] The fan motors 22 can be mounted or suspended. They can, in particular, be attached to a mounting frame 23. Such a mounting frame 23 enables particularly stable and reliable installation of the downdraft extractor 4, in particular its radial fan 21, particularly on the worktop 9.

[0140] The downdraft extractor has a shaft 24. The shaft 24 serves primarily as a collection space for the cooking fumes to be extracted. It can form part of a cooking fume inlet device.

[0141] A chamber 25 is located downstream of the shaft 24. The chamber 25 serves to convey the cooking vapors from the shaft 24 to the fan 21. Multiple shafts 24 may also be provided.

[0142] In particular, several chambers 25 may be provided.

[0143] In this case, several chambers 25 can be in flow connection, in particular, with a single shaft 24 or with several separate shafts 24.

[0144] The chambers 25 can form intake chambers of the radial fans 21.

[0145] The chambers 25 can be arranged at least in regions below the housing 26 of the radial fan 21 or the housing 26 of the radial fans 21.

[0146] The chambers 25 can also be arranged above the fan housing 26. This is particularly possible with double-flow fans.

[0147] The downdraft extractor 4 can have a filter seat 27 for receiving a filter. The filter seat 27 can, in particular, serve to receive an odor filter. The filter seat 27 can be arranged downstream of the fans 21 or upstream of the fans 21, in particular in the area between the cooking fume inlet opening 5 and the fans 21.

[0148] The filter seat 27 can be connected to the shaft 24 in particular via a filter change chamber 28.

[0149] The filter change chamber 28 and the filter seat 27 can form an optional module. They can be reversibly attached to the downdraft extractor 4, in particular to the shaft 24 and / or to the housing 26 of the radial fan 21. In the case of a pure exhaust air solution, the filter seat 27 and the filter change chamber 28 can be omitted. The filter change chamber 28 can be connected to the shaft 24, in particular via a reversibly closable or openable opening 45. The opening enables easy replacement of the filter, in particular an odor filter, and in particular its replacement and arrangement on the filter seat 27. The filter can be inserted and removed, in particular, through the cooking fume inlet opening 5. The opening 45 can preferably be reversibly closable. It can be closed, in particular, by means of a closure flap that can be reversibly removed through the cooking fume inlet opening 5.

[0150] Upstream of the shaft 24, in the area of ​​the cooking fume inlet opening 5, a frame element 29, which is also simply referred to as frame 29, is provided.

[0151] The frame element 29, in particular, completely surrounds the cooking vapor inlet opening 5. It can be a component of the shaft 24. The frame element 29 can, in particular, close off the shaft 24 on the inflow side.

[0152] The frame element 29 can have curved wall sections. The wall sections can, in particular, each be curved around horizontally extending axes. They can, in particular, be linear in the horizontal direction.

[0153] The frame element 29 can have a cross-section tapering in the inflow direction.

[0154] The frame may have a free edge 30, which is arranged in particular in the region of the hob plane 8. The free edge 30 may be very narrow. It may have a thickness, in particular a maximum thickness of at most 5 mm, in particular at most 3 mm, in particular at most 1 mm.

[0155] An operating device 31 can be inserted into the cooking vapor inlet opening 5. The operating device 31 can be inserted into the cooking vapor inlet opening 5 in a reversible manner. By inserting the operating device 31 into the cooking vapor inlet opening 5, the flow cross-section of the cooking vapor inlet opening 5, in particular the flow cross-section defined by the frame 29, can be reduced.

[0156] The operating device 31 can be inserted into the cooking vapor inlet opening 5 in such a way that its surface is flush with the surface of the adjacent cooking surfaces 2. The surface of the operating device 31 can, in particular, be flat.

[0157] The operating device 31 is described in more detail below.

[0158] The operating device 31 serves to operate, in particular to control, the hob system 1, in particular the hobs 2 and / or the downdraft extractor 4. The hob system 1, in particular the hobs 2 and / or the downdraft extractor 4, can also be operated, in particular controlled, via the control knobs 3, 7. However, the control knobs 3, 7 can also be omitted.

[0159] The operating device 31 has a housing 32. The housing 32 serves to accommodate electronic components.

[0160] The housing 32 has a housing base 33 and a cover 34.

[0161] By means of the cover 34, the housing lower part 33 can be covered, in particular closed, in particular sealed in a liquid-tight manner.

[0162] The cover 34 can in particular be glued, pressed, latched or screwed to the housing lower part 33.

[0163] A seal 35 may be provided between the cover 34 and the housing base 33. The seal 35 may, in particular, comprise a circumferential sealing element.

[0164] The housing 32 can, in particular, be designed to be dishwasher-safe. It is preferably at least splash-proof.

[0165] The housing 32 is preferably heat-resistant, in particular up to at least 200 °C, in particular at least 300 °C, in particular at least 500 °C.

[0166] In particular, an input device 36 can be arranged in the housing 32.

[0167] The input device 36 can have an input element in the form of a touch-sensitive sensor or screen for inputting control data. Alternatively or additionally, the input device 36 can have other input elements, such as buttons, switches, or acoustic input elements, in particular a microphone.

[0168] In particular, an output device can be arranged in the housing 32.

[0169] According to a preferred variant, the input device 36 has a screen 37. The input device 36 can also have multiple screens 37.

[0170] The screen 37 can be designed as a flat screen, in particular as a liquid crystal display (LCD), LED or OLED screen.

[0171] The screen 37 can be designed to be touch-sensitive. According to a preferred variant, the screen 37 is connected to the cover 34. In particular, it can be bonded to the cover 34. Preferably, direct optical bonding is provided to connect the screen 37 to the cover 34.

[0172] The screen 37 can be connected to the cover 34, in particular, via an optically transparent resin (OCR, Optically Clear Resin) or an optically transparent adhesive film (OCA, Optically Clear Adhesive). A corresponding bonding layer 38 is provided in the Fig. 3 shown exemplary and schematically.

[0173] A circuit board 41 with electronic components can be arranged on the back of the screen 37. In particular, control electronics for processing the input signals and / or for controlling the output signals, in particular for controlling the screen 37, can be arranged on the circuit board 41.

[0174] The screen 37 may have a diagonal of at least 10 cm, in particular at least 15 cm, in particular at least 20 cm, in particular at least 30 cm, in particular at least 40 cm. The representation in the Fig. 3 is to be understood as an example only.

[0175] The screen 37 can, in particular, have an image area that essentially corresponds to the free visible surface of the operating device 31. The ratio of the image area of ​​the screen 37 to the free visible surface of the operating device 31 can be at least 0.5, in particular at least 0.7, in particular at least 0.9, in particular at least 0.95.

[0176] The screen 37 can in particular be borderless or frameless.

[0177] The screen 37 can also be designed to be foldable. This allows the width of the screen 37, in particular its display area, to be increased. In the unfolded state, the screen 37 can have a width that essentially corresponds to the width of the free opening of the cooking vapor inlet 5. In the unfolded state, the screen 37 can also have a width that is greater than the width of the free opening of the cooking vapor inlet 5.

[0178] The height of the screen 37 can in particular correspond to the length of the free opening of the cooking vapor inlet 5. The height of the screen 37 can also be smaller, for example, at most half the length of the free opening of the cooking vapor inlet 5.

[0179] The area with the screen 37 can be pivoted relative to the rest of the cover 34.

[0180] The operating device 31 has one or more interfaces 39 for data and / or energy transmission. The interface 39 is shown exemplary and schematically in the Fig. 5. The interfaces 39 can each have electrically conductive contact elements 40 and / or one or more channels for wireless data and / or energy transmission.

[0181] Contact pins, in particular spring-loaded contact pins, can serve as contact elements 40. The contact pins can be made of metal, in particular a stainless metal.

[0182] The interface 39 can be sealed. It can, in particular, comprise a sealing element, for example made of silicone, in particular one-component silicone (1K silicone). The sealing element can completely surround the interface 39 on its circumference.

[0183] The interface 39 can be arranged at one end of the operating device 31, in particular at one end in the longitudinal direction.

[0184] The operating device 31 can also have two interfaces 39. These can be arranged at opposite ends of the operating device 31.

[0185] The interfaces 39 can each be arranged on the underside of the operating device 31.

[0186] The interfaces 39 can each be web-shaped. Alternative geometric configurations are also possible.

[0187] The interfaces 39 can also be arranged in an inwardly offset or recessed area of ​​the housing base 33.

[0188] The interfaces 39 can be arranged with web-shaped or otherwise configured extensions, particularly on the underside of the operating device 31. These extensions are particularly designed to complement corresponding receptacles. The receptacles are particularly formed in the frame element 29.

[0189] The operating device 31 can have a loudspeaker 43.

[0190] The loudspeaker 43 can be used to output audio signals, in particular music. The loudspeaker 43 can also be used to generate haptic signals. In particular, it can be in direct contact with the cover 34.

[0191] The loudspeaker 43 can, in particular, be arranged in a receptacle provided for this purpose. The receptacle is connected to the cover 34. It can, in particular, be glued, screwed, or latched to the cover 34.

[0192] Alternatively or in addition to the interface 39, the operating device 31 can have one or more wireless interfaces. The wireless interfaces can be used, in particular, for transmitting data and / or energy.

[0193] A near-field system (NFC, Near Field Controller) can be used to transmit data.

[0194] A wireless power transfer system (WPT system, Wireless Power Transfer System) can be used to transmit energy.

[0195] The wireless interface can be arranged, in particular, in the area of ​​the rear side of the circuit board 41. It can also be arranged in another area of ​​the operating device 31. It is preferably arranged in the area of ​​the bottom of the housing lower part 33. QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] WO 2012 / 146 237 A1

[0003] DE 10 2007 002 241 A1

[0003] DE 10 2016 211 207 A1

[0003] DE 102018209550A1

[0003] DE 10 2021 201 800 B3

[0031] EP 3 475 622 A1

[0064] EP 2 702 329 A1

[0137] EP 3 475 622 B1

[0137]

Claims

[1] Device (31) for operating a built-in kitchen appliance in the form of a hob and / or an extractor hood device, comprising 1.

1. a housing (32) for accommodating electronic components, 1.

2. an interface (39) for the transmission of data and / or energy, 1.

3. wherein the device (31) is designed as a separate component, 1.

4. wherein the housing (32) is dishwasher safe. [2] Device (31) according to one of the preceding claims, characterized by that it has an input element in the form of a touch-sensitive sensor or screen (37) for entering control data. [3] Device (31) according to one of the preceding claims, characterized by that the interface (39) has electrically conductive contact elements (40) and / or one or more channels for wireless data and / or energy transmission. [4] Device (31) according to one of the preceding claims, characterized by that it has a screen (37). [5] Device (31) according to claim characterized by that the screen (37) is bonded directly to a cover (34). [6] Device (31) according to one of the preceding claims, characterized by that it has a loudspeaker (43) and / or a voice coil drive. [7] Device (31) according to one of the preceding claims, characterized by that the housing (32) has a cross-section that tapers downwards. [8] Device (31) according to one of the preceding claims, characterized by that it is part of a filter insert (12). [9] Insert (12) for an extractor device (4) comprising 9.

1. a tool-free removable operating device (31) according to one of the preceding claims and 9.

2. a filter device (13) for filtering cooking fumes and / or a collecting element (14) for collecting liquid. [10] Extractor device (4) comprising 10.

1. an inlet opening (5) at least partially surrounded by a frame (29) on the circumference and 10.

2. an operating device (31), 10.

3. wherein the operating device (31) can be reversibly inserted into the inlet opening (5), whereby it reduces the maximum flow cross-section defined by the inlet opening (5). [11] Extractor device (4) according to claim 10, characterized by that the operating device (31), in addition to being arranged in the inlet opening (5), can be arranged on or in the extractor device (4) in such a way that it is aligned obliquely to a plane defined by the inlet opening (5). [12] Hob system (1) comprising 12.1 one or more hobs (2), 12.

2. one or more extractor hoods (4), 12.

3. one or more operating devices (31) according to one of claims 1 to 8. [13] Operating system for operating a built-in kitchen appliance in the form of a hob and / or an extractor device comprising 13.

1. a control device which transmits data 13.1.

1. both with an operating device (31) according to one of claims 1 to 8 13.1.

2. as well as with one or more control knobs (7).

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