EP3691411A1 - Cooking field module and method for controlling correct input - Google Patents

Abstract

Hob module (101) for installation below a worktop (200), comprising a housing device (102), an induction device (103) and a control device (104) for controlling the induction device (103). Furthermore, a sensor device (105, 114) is provided which is suitable and designed to detect a predetermined position of the induction device (103) below the worktop (200). The control device (104) is suitable and designed to enable operation of the induction device (104) only when the sensor device (105, 114) has recognized the predetermined position. In the method for checking the correct installation of a hob module (101) arranged below a worktop (200), a predetermined position of the induction device (103) below the worktop (200) is determined by means of a sensor device (105) at least after the hob module (101) has been installed. recognized and the operation of the induction device (103) is only released when the sensor device (105, 114) has recognized the predetermined position.

Description

The present invention relates to a hob module for installation below a worktop, which comprises at least one housing device, at least one induction device and at least one control device for controlling the at least one induction device. The present invention also relates to a method for checking the correct installation of such a hob module below a worktop.

Design plays an increasingly important role in modern kitchens. Also in the area of the cooktops there are increasing demands on the optics but also on the easy cleaning. For example, hobs should be as inconspicuous as possible and, in addition, there should preferably be no gaps between the hob and worktop, so that no dirt can accumulate between the hob and worktop.

Here, integrated or fully integrated hobs are advantageous from below into a worktop that is essentially or completely closed at the top. In such induction cooktops, the normal worktop serves as a base for the cookware and the necessary electronics and induction coils are arranged below the worktop.

This means that the hob cannot be distinguished from the rest of the worktop when it is not being cooked. Since the cookware is placed directly on the closed work surface and heated by means of induction coils, cleaning is also very easy.

For the approval of a modular cooktop, i.e. for cooktop technology, which is attached below the worktop in a fully integrated cooktop, it must be ensured that it can only be used after an intrinsically safe condition has been established. Since a ceramic glass cover is not available in such modular hobs, as is the case with stand-alone hobs, it must be ensured that the fully integrated hob installed can only be put into operation after proper installation.

Various requirements have to be met here. Among other things, the worktop must be approved for the modular hob to be installed. And the thickness of the worktop material must also meet certain requirements depending on the material. Furthermore, it must be ensured that there is no damage or damage during transport There has been a change in the interior of the modular hob. This is difficult for the fitter of such a hob, for example a kitchen builder, to check.

It is therefore the object of the present invention to provide a cooktop module for a cooktop which is installed below a worktop or fully integrated in a worktop and which can be operated safely.

This object is achieved by a hob module with the features of claim 1 and by a method with the features of claim 12. Preferred developments of the invention are the subject of the dependent claims. Further advantages and features of the invention result from the exemplary embodiments.

The hob module according to the invention is suitable for installation below a worktop and comprises at least one housing device, at least one induction device and at least one control device for controlling the at least one induction device. Furthermore, at least one sensor device is provided, which is suitable and designed to detect a predetermined position of the at least one induction device below the worktop. The control device is suitable and designed to only release the operation of the induction device when the sensor device has recognized the predetermined position.

The hob module according to the invention is particularly intended to provide a so-called fully integrated hob in connection with a worktop. In such a fully integrated hob, the hob electronics together with the primary coils and all other components, which are combined here as a hob module, are attached from below to a worktop of a kitchenette or island. The worktop as such is continuous on the surface, so that the hob cannot be seen when not in use, since only the continuous worktop is visible.

The problem with such cooktops is that the cooktop module is usually installed by a kitchen builder when the kitchen is installed below the worktop. However, if the hob module is not installed properly or in the intended manner below the worktop, malfunctions or dangerous situations can occur.

It is advantageous with the cooktop module according to the invention that the sensor device recognizes according to the invention whether the induction device is arranged in a predetermined position below the worktop and whether the predetermined functionality is present.

This allows the correct installation and a damage-free condition of the hob module to be concluded.

Such a sensor device can be provided, for example, as a separate component, or can also be integrated in the cooktop module. Depending on the configuration, the sensor device then detects whether the induction devices are in a predetermined position only once after the installation of the cooktop module or in appropriate further developments before each start of the cooktop. This guarantees particularly safe operation of the hob module or the fully integrated hob.

Depending on the configuration, the sensor device can contain one or more components such as transmitters and receivers. In particular, the position and / or orientation of the cooktop module or induction device is checked by means of the sensor device, so that the control device can release the operation of the cooktop if the cooktop module is installed correctly.

The automatic detection of a correct installation situation or correct installation provides a safe cooktop module, in which safe operation can be guaranteed even after installation below a worktop, since the cooktop module or the induction device is only released if correct installation Correct functionality is recognized by the position of the induction device relative to the worktop and, depending on the configuration.

The sensor device preferably comprises at least one mechanical, acoustic, optical, electrical, magnetic and / or electromagnetic sensor unit. The correct installation position of the hob module or the induction devices underneath the worktop can thus be recognized in various ways, alone or in combination. Among other things, it is possible to recognize correct installation using various material codes, optical or acoustic evaluations or electrical or magnetic or also mechanical switch systems.

An optical sensor device can be used to detect, for example, whether there are gaps between the hob module of the worktop during installation. This can be achieved, for example, in a simple manner using a brightness sensor. An acoustic evaluation can also provide information as to whether the hob module rests on the worktop in a suitable manner. Here, for example, an output test tone behaves differently, depending on whether the cooktop module lies tightly against a compensation surface or, due to an inclined or misaligned installation gap between cooktop module and worktop.

The sensor device and / or the sensor unit particularly preferably comprises at least one reference coil. In such an embodiment, the strength of the magnetic field, the power consumed and / or the capacity can be determined, for example, by means of a reference coil which is placed on the installation surface of the fully integrated hob, i.e. on the worktop, so that the distance between the induction device the material and the thickness of the worktop can be traced.

According to the invention, a reference coil can in particular also be designed as a reference pot, with the resonance circuit data from the hob also being able to be evaluated with regard to impedance and reactive and apparent power, in particular using a reference pot. These data also allow conclusions to be drawn about the correct installation situation.

When using reference coils, it is in particular possible to use an external sensor device, which can also include, for example, a separate measuring device. However, it is also conceivable to connect the reference coil to the hob module, so that the evaluation for a correct installation situation by means of the reference coil is carried out via the control device.

In expedient developments, the sensor device comprises at least one magnet, at least one reed contact and / or at least one Hall sensor. By means of a suitable arrangement of the components on the worktop and / or on the cooktop module, a correct installation situation can be inferred via a contact closure. In this case, for example, a magnet, a reed contact or a Hall sensor can be preinstalled on the worktop using a template, the induction device being released by means of the control device only when the cooktop module is correctly attached to the worktop using corresponding magnets or sensors.

The sensor device is preferably combined with at least one closure device which covers the at least one induction device until the predetermined position has been recognized. Such a closure device is preferably designed such that electromagnetic radiation cannot pass through it. The closure device can, for example, automatically release the induction device as soon as a correct installation situation has been recognized. The closure device can be designed as a separate component of the hob module or else as part of the sensor device. In particular, functionality such as, for example, a 3-inch diskette is provided, the closure device opening automatically as soon as a correct installation situation is mechanically recognized by a mechanical sensor.

The sensor device preferably comprises at least one latching device. Depending on the configuration, such a latching device can preferably be used to control a switch of the sensor device so that the induction devices are released. This can work, for example, analogously to an Isofix system in child seats, in which the correct snap-in indicates a correctly installed condition.

At least one fastening frame for the hob module is preferably provided. With such a mounting frame, the hob module can preferably be easily and reliably attached to the worktop. The mounting frame is pre-assembled, especially at work, so that the hob module can be easily attached to it.

The at least one sensor device or at least one sensor unit of the sensor device is particularly preferably provided on the fastening frame. By correctly installing the mounting frame, a predefined position for the cooking module can be defined. If the hob module is then properly fixed to the mounting frame, corresponding sensor units preferably meet, so that the control device enables the operation of the induction devices.

In advantageous configurations, at least one sensor device is arranged in at least one predetermined sensor position on the fastening frame. Such an arrangement of the sensor device or sensor units on the mounting frame allows a correct installation situation of the hob module to be detected particularly reliably. The sensor positions on the mounting frame determine certain reference points which have corresponding sensor units on the hob module.

The sensor device preferably comprises at least one magnet and at least one reed contact and / or at least one Hall sensor, the magnet being arranged on the housing device and reed contact and / or Hall sensor on the fastening frame. With such a configuration, the hob is activated by correctly installing the cooktop module on the mounting frame by activating the reed contact or the Hall sensor. Depending on the configuration, it is also possible for the magnet and contacts or sensors to be arranged upside down on the housing device and fastening frame.

Particularly preferably, at least two sensor devices can be provided, by means of which two predetermined positions can be recognized and distinguished. In particular, different coded sensors can be used, so that it is recognized whether the two detection points belong to each other and the hob, for example, was installed the wrong way round or in the intended orientation and orientation. In particular, the arrangement or positioning of the sensors with respect to at least one of the central axes of the cooktop module is not a mirror image, so that similar sensor devices are also used without activating a mismatching pole.

The method according to the invention is suitable for checking the correct installation of a cooktop module arranged below a worktop, as described above. A predetermined position of the induction device below the worktop is detected at least after installation by means of at least one sensor device and the operation of the induction unit is only released when the sensor device has recognized the predetermined position.

The method according to the invention also has the advantages already described.

In particular, a safe hob module without a footprint can be sold, which together with a worktop provides a fully integrated hob, in which the correct installation situation underneath the worktop is recognized, so that safe operation of the hob is always guaranteed. This is achieved in that the induction device can only be activated when a sensor device has recognized the correct installation.

Further advantages and features of the present invention result from the exemplary embodiments, which are explained below with reference to the accompanying figures.

According to an embodiment of the present invention, a mounting frame is provided. The mounting frame comprises at least one frame device, by means of which at least one hob module can be attached in particular below a worktop, for example a kitchen unit or a cooking island.

The fastening frame comprises at least one frame device for fastening a hob module below the surface of a worktop, in particular on the underside of a worktop, the hob module comprising at least one induction device. The frame device comprises at least one fastening device.

The mounting frame serves in particular to facilitate the assembly of a so-called fully integrated hob. In such a fully integrated hob, the footprint of the hob is closed by an essentially or even completely Provided worktop of a kitchenette or island, the hob electronics or the hob module with this electronics attached below the worktop or even embedded or integrated at least in sections from below into the worktop.

With regard to the electronic components of the cooktop module, the indication “below the worktop” is to be understood as at least below the surface of the worktop. With regard to the frame device, the indication “below the worktop” is to be understood as at least below the surface of the worktop, preferably on the underside of the worktop. In the installed position of the worktop, the underside of the worktop faces the center of mass of the earth and the surface of the worktop faces the center of mass of the earth.

The mounting frame offers many advantages. A considerable advantage is that the installation of a cooktop module under a worktop is considerably simplified by using such a mounting frame.

A cooktop module in particular comprises at least one induction device and the corresponding power electronics, a not inconsiderable weight being achieved in cooktop modules for several cooktops.

Since a fully integrated cooktop is not inserted into a recess in a worktop from above like not a conventional stand-alone cooktop with its own footprint, but is inserted from below under a closed worktop or worktop recessed from the underside, a fitter has to handle the not inconsiderable weight and fix the hob module at a predetermined location, for example with screw connections.

This is also relatively difficult due to the often very limited space available for assembly and is difficult to accomplish alone. According to the embodiment variant, a fastening frame is provided which comprises at least one fastening device for fastening the hob module. This mounting frame, which is much lighter than the hob module, can be attached to the underside of the worktop by a fitter in peace and relatively easily. Then only the hob module has to be fixed to the mounting frame.

The fastening device preferably comprises at least one fixing device. Such a fixing device can be provided by any suitable fixing device.

The fixing device particularly preferably comprises at least one adhesive surface. Such an adhesive surface or corresponding adhesive surfaces on the frame device and a hob module can be used, for example, to achieve a quick and easy fixation of the hob module to the frame device of the fastening frame by means of a Velcro or other adhesive connection.

In expedient refinements, the fixing device comprises at least one screw device and / or at least one clamping device. Here, too, it is preferred that correspondingly interacting elements of the screwing device and / or the clamping device are assigned to the hob module and / or the frame device. The hob module can also be securely and easily attached to the frame device using clamp or screw connections.

When using screw devices, for example, the use of threaded sleeves and / or threaded rods can be advantageous. Depending on the design and application, these can have different orientations. Depending on the installation space, it may be advantageous if the threaded sleeves or threaded rods are aligned horizontally or vertically. Depending on the design, a screw device can also be used to hang the hob module on the frame device without being pressed against the worktop.

The fastening device particularly preferably comprises at least one suspension device. Such a hanging device can in particular comprise at least one slot in the frame device or also a hook-like structure which engages in a corresponding opening in the hob module. When using a hanging device, the possibly relatively heavy cooktop module can first be attached to the frame device of the mounting frame by a technician, and then even released. Then the hob module initially hangs freely downwards and the installer then only has to lift and fix it with the free side upwards. Since one side of the cooktop module then already hangs on the frame device, it only has to lift one side, i.e. about half the weight, so that the cooktop module can be securely guided and held, since it is already securely fixed on one side in the hanging device is recorded.

In expedient configurations, the hanging device comprises at least one hanging element. Such a suspension element can be, for example, a hook-like construction or structure or just a slot in which a corresponding component engages in order to be received in or on the suspension device.

The hanging device is preferably provided on the side of the frame device facing away from the user. The side facing away from the user is to be understood in particular as the rear area of the frame device, which is difficult to access by a mechanic. Then the hob module can be hooked in at the back and pushed up to the front, where it can then be easily attached, fixed or screwed by the fitter. After the cooktop module is securely arranged underneath the worktop, depending on the configuration, an additional fixation such as a screw connection can also be attached.

In advantageous configurations, at least one adjustment device is provided. Using such an adjustment device, the hob module can preferably be aligned parallel to the worktop, so that optimal functionality of the induction hob or the fully integrated hob can be achieved. A lateral alignment below the worktop can also preferably be set.

In preferred configurations, the adjustment device is integrated in the fastening device. With such a configuration, for example, a certain play can be provided in the fixing devices or hanging device and / or with screw connections, for example, elongated holes can be used in order to enable the hob module to be aligned relative to the mounting frame or to the worktop.

According to a further embodiment, the hob system comprises at least one mounting frame, as described above, at least one hob module and at least one worktop. The mounting frame is attached to the underside of the worktop and the hob module is fixed to the mounting frame. The frame device of the fastening frame preferably comprises at least one fastening device and the hob module also comprises at least one fastening device which cooperate with the fastening device of the frame device. In this way, the hob module can be securely attached to the mounting frame, which in turn has previously been attached to the worktop.

The hob system also offers the advantages described above. In particular, the hob module can be attached to a worktop or below a worktop in a simple manner.

The frame device of the fastening frame preferably comprises at least one hanging device, the hob module comprising a fastening device matched to it. This ensures that the hob module is connected to the Frame device of the attachment of the mounting frame can be attached or suspended in order to absorb at least part of the weight of the hob module during assembly. As a result, the fitter can initially attach individual components of the cooktop module or the entire cooktop module to the frame device or hook it into the frame device, so that the actual fixing of the cooktop module below the worktop is considerably simplified.

The above method is also suitable for attaching a hob module to the underside of a worktop, the following steps being carried out in a suitable order. A mounting frame is mounted on the underside of the worktop, the hob module being fixed to the mounting frame.

The method also offers the advantages already mentioned.

The fixed hob module is preferably aligned below the worktop in the desired position. In particular, a horizontal and / or vertical alignment can be provided so that the hob module is preferably below a predetermined area of the worktop after adjustment and is also preferably aligned parallel to the worktop.

The frame device of the fastening frame particularly preferably comprises at least one fastening device with at least one hanging device on at least one side, the hob module being hooked into the hanging device.

In expedient further developments, the hob module is then raised to the desired position and then fixed. In this way it can be achieved that the hob module can be mounted below the worktop in a particularly simple and energy-saving manner.

Further advantages and features of the present invention result from the exemplary embodiments, which are explained below with reference to the accompanying figures.

The invention also relates to a fastening frame comprising at least one frame device for fastening a hob module to a worktop comprising at least one induction device, the frame device comprising at least one fastening device for fastening the hob module to the frame device.

A further embodiment is that the fastening device comprises at least one fixing device.

A further embodiment is that the fixing device comprises at least one adhesive surface.

A further embodiment is that the fixing device comprises at least one screw device and / or clamping device.

A further embodiment is that the fastening device comprises at least one hanging device.

A further embodiment is that the hanging device comprises at least one hanging element.

A further embodiment is that the hanging device is provided on the side facing away from the user.

A further embodiment is that at least one adjustment device is provided.

A further embodiment is that the adjusting device is integrated in the fastening device.

The cooktop system can comprise at least one mounting frame according to at least one of the preceding claims, at least one cooktop module and at least one worktop, the mounting frame being fastened to the underside of a worktop and the cooktop module being fixed to the mounting frame, the frame device of the mounting frame being at least one Fastening device and that the hob module comprises at least one fastening device which interacts with the fastening device of the frame device.

One embodiment of the cooktop system provides that the frame device of the fastening frame comprises at least one hanging device and that the cooktop module comprises a fastening device matched to it.

• Ein Montieren eines Befestigungsgestells an der Unterseite einer Arbeitsplatte;
• Ein Fixieren des Kochfeldmoduls an dem Befestigungsgestell.

The method can have steps for attaching a hob module to the underside of a worktop, in a suitable order:

• Mounting a mounting rack to the underside of a countertop;
• Fixing the hob module to the mounting frame.

A further embodiment of the method is that according to the preceding claim, characterized in that the fixed hob module, in particular below the worktop, is aligned in the desired position.

A further embodiment of the method is that the frame device of the fastening frame comprises at least one fastening device with at least one hanging device on at least one side, the hob module being hooked into the hanging device.

A further embodiment of the method is that the hob module is raised and fixed in the desired position.

Figur 1

eine rein schematische Darstellung eines Ausführungsbeispiels eines Kochfeldsystems mit einem Kochfeldmodul in einer Explosionsansicht;

Figur 2

eine rein schematische Darstellung eines weiteren Ausführungsbeispiels eines Kochfeldsystems mit einem Kochfeldmodul in einer Explosionsansicht;

Figur 3

eine rein schematische Darstellung eines anderen Ausführungsbeispiels eines Kochfeldsystems mit einem Kochfeldmodul in einer Explosionsansicht;

Figur 4

eine rein schematische Darstellung des Ausführungsbeispiels eines Kochfeldsystems gemäß Figur 3 mit einem vorinstallierten Kochfeldmodul;

Figur 5

eine rein schematische Darstellung eines Ausführungsbeispiels eines Kochfeldsystems in einer perspektivischen Explosionsansicht;

Figur 6

eine weitere rein schematische Darstellung des Ausführungsbeispiels eines Kochfeldsystems gemäß Figur 5 in einer perspektivischen Ansicht;

Figur 7

eine rein schematische Darstellung einer Arbeitsplatte für ein Kochfeldsystem;

Figur 8

eine rein schematische Darstellung eines Ausführungsbeispiels eines Befestigungsgestells in einer perspektivischen Ansicht;

Figur 9

eine Detailansicht des Bereichs A aus Figur 8;

Figur 10

eine Detailansicht des Bereichs B aus Figur 8;

Figur 11

eine rein schematische Darstellung eines Ausführungsbeispiels eines Kochfeldmoduls für ein Kochfeldsystem in einer perspektivischen Ansicht;

Figur 12

eine Detailansicht des markierten Bereichs in Figur 11.

The figures show:

Figure 1

a purely schematic representation of an embodiment of a hob system with a hob module in an exploded view;

Figure 2

a purely schematic representation of a further embodiment of a hob system with a hob module in an exploded view;

Figure 3

a purely schematic representation of another embodiment of a hob system with a hob module in an exploded view;

Figure 4

a purely schematic representation of the embodiment of a hob system according to Figure 3 with a pre-installed hob module;

Figure 5

a purely schematic representation of an embodiment of a hob system in a perspective exploded view;

Figure 6

another purely schematic representation of the embodiment of a hob system according to Figure 5 in a perspective view;

Figure 7

a purely schematic representation of a worktop for a cooktop system;

Figure 8

a purely schematic representation of an embodiment of a mounting frame in a perspective view;

Figure 9

a detailed view of area A. Figure 8 ;

Figure 10

a detailed view of area B. Figure 8 ;

Figure 11

a purely schematic representation of an embodiment of a hob module for a hob system in a perspective view;

Figure 12

a detailed view of the marked area in Figure 11 .

In Figure 1 A hob module 101 according to the invention is shown purely schematically, which in conjunction with a worktop 200 provides a hob system 300 or a fully integrated hob 300. In such a cooktop system 300 or in a fully integrated cooktop, the worktop 200 has a continuous top side 203. In the case of an integrated cooktop, the cooktop as such can only be recognized in operation, since otherwise only the upper side or the surface 203 of the worktop 200 can be seen.

In such a fully integrated hob, the electronics of the hob, for example the induction devices 103 and the power electronics, which according to the invention are combined as hob module 101, are introduced on the underside 201 of the worktop 200. Depending on the design, recesses can also be provided in the worktop 200 or in the underside 201 of the worktop 200, so that the electromagnetic radiation from the induction devices 103 of the hob module 101 does not have to act through the entire thickness of the worktop 200, but closer to the cooking vessels set up brought.

The problem with such fully integrated cooktops is that the cooktop electronics or the cooktop module 101 is subsequently assembled, for example by a kitchen constructor, to form a functional cooktop. However, it must be ensured that an operationally reliable and fully functional hob is provided. However, this is not absolutely necessary if the hob module is installed incorrectly below the worktop 200. In addition, invisible damage to the electronics may have resulted from the transportation of the hob module.

Therefore, in the cooktop module 101 according to the invention, the induction devices 103, here in the example four induction devices 103 for four cooktops on the worktop 200, are only released by the control device 104 when the correct installation of the cooktop module 101 in cooperation with a sensor device 105, 114 or a predetermined position of at least one induction device 103 relative to the worktop 200 and correct functionality has been determined.

In order to enable particularly simple installation or particularly simple attachment of the hob module 101 to the underside 201 of the worktop, a fastening frame 113 is provided in the exemplary embodiment shown. This fastening frame 113 is preassembled on the worktop, with the hob module 101 subsequently being able to be connected to the worktop 200 particularly easily via the fastening frame. In addition, depending on the embodiment, the sensor device 105 can be attached to the mounting frame 113, which is described in more detail in the following figures.

In Figure 1 This check of the correct installation situation is determined by means of a sensor device 114, this sensor device 114 comprising a sensor unit 115, which is designed here as a reference coil 110. In the exemplary embodiment shown, the reference coil 110 is in contact with an external measuring device 116, via which the correct installation of the cooktop module 101 or the correct alignment of the induction device 103 to the worktop 200 is recognized. In such an embodiment, the sensor device 114 is provided as an external sensor device, which initially activates the hob module 101 once it has been installed once the correct installation and proper functionality have been recognized.

In Figure 2 is a similar embodiment to that in Figure 1 shown. In the exemplary embodiment shown here, too, an external sensor device 105 is provided, which also comprises a reference coil 110 here.

In contrast to the one in Figure 1 In the exemplary embodiment shown, however, the evaluation as to whether a correct installation situation of the hob module 101 or a correct alignment of the induction devices 103 below the worktop 200 is present is not recognized by an external measuring device 116, but by the control device 104 of the hob module 101.

In Figure 2 it is furthermore shown purely schematically that additionally or exclusively a sensor device 105 can also be provided, which here is in operative connection with a closure device 111. This closure device 111 is shown here only in sections and purely schematically as a covering plate, which in the exemplary embodiment shown here is designed to be impermeable to electromagnetic radiation, so that the hob module 101 can only be put into operation or only works effectively as soon as this closure device 111 the induction devices 103 releases.

In the exemplary embodiment shown here, this is achieved by the sensor devices 105, which are designed here as latching devices 112. Grab the locking devices 112 into corresponding areas in the worktop 200, and if these are pressed in, the closure device 111 opens analogously to a 3-inch diskette.

In Figure 3 It is shown purely schematically that the induction devices 103 can also be released by means of the control device 104 by a combination of magnets 107 and reed contacts 108 or Hall sensors 109.

The magnets 107, the reed contacts 108 and / or the Hall sensors 109 can either be provided directly at predetermined positions on the underside 201 of the worktop 200 and on the housing device 102 of the hob module 101. If the cooktop module 101 is installed in the correct position, contact between the magnet 107 and the Hall sensor 109 or reed contact 108 releases the cooktop module 101 or the induction devices 103.

In the exemplary embodiment shown, however, provision is made to use a fastening frame 113 which is preassembled on the underside 201 of the worktop 200. By pre-assembling such a mounting frame 113, on the one hand sensor devices 105 or sensor units 106 can be attached to the worktop 200 at predetermined positions, which serve as reference points.

If the hob module 101 is now received or fixed on the mounting frame 113 and corresponding contacts, magnets or sensors meet corresponding opponents, the hob module 101 is released. A particularly reliable and precise positioning of the sensor devices 105 can be achieved by mounting the sensor device 105 or sensor units 106 over the mounting frame 113.

In Figure 4 the assembly of a hob module 101 below a worktop 200 by means of a fastening frame 113 is shown purely schematically. Indicated on the right side of the worktop 200 are the magnets 107 of the sensor device 105 or the sensor units 106 embedded in the underside 201 of the worktop 200.

When using a fastening frame 113, the hob module 101 can be hung on the fastening frame 113 on one side, for example. The hob module 101 must then be raised and fixed in a corresponding position, for example by means of a screw connection. As soon as the cooktop module is appropriately fixed underneath the worktop 200, the reed contacts 108 or Hall sensors 109 are triggered, activated or switched, so that the control device 104 releases the induction devices 103, so that the cooktop module 101 or the fully integrated cooktop or the hob system 300 is operational.

In Figure 5 A hob system 300 according to the invention is shown purely schematically in an exploded view. In the exemplary embodiment shown here, the hob system 300 according to the invention comprises a worktop 200, which here has a completely closed upper side 203. Cookware can be placed on this upper side 203 in order to heat it by means of a hob module 101 mounted below the worktop 200 or with one or more induction devices 102 of the hob module 101.

The worktop 200 is the normal worktop of the kitchen unit or island, ceramic 204 being selected as the material for the worktop 200. Since the hob module 101 is arranged below the worktop 200 and the top 203 of the worktop 200 is continuous or closed, the so-called fully integrated hob is provided by the hob system 300 according to the invention.

In such a fully integrated hob, the hotplates cannot be seen when not in use, since only the closed surface 203 of the worktop 200 is visible. Since no independent hob is inserted into a recess in the worktop 200 from above, there are also no gaps in which dirt or boiling liquids can settle.

The hob system 300 according to the invention also comprises a mounting frame 1, which comprises a frame device 402 for receiving or attaching the hob module 101.

According to the invention, the fastening frame 401 is first fastened at a predetermined location on the underside 201 and / or in a recess in the underside 201 of the worktop 200. The hob module 101 can then be fastened to the fastening frame 401 using suitable fastening devices 403.

Since the technical components such as primary coils, power electronics etc., combined according to the invention as cooktop module 101, are generally installed after the worktop is installed on the underside 201 of the worktop in fully integrated cooktops, the installation is relatively difficult, in particular because of the very limited space available. In addition, a cooktop module 101 has a not inconsiderable weight, so that a fitter is difficult to align it optimally on the underside 201 of the worktop 200 and then fasten it.

According to the invention, therefore, a relatively light fastening frame 401 is preassembled on the underside 201 or in a recess in the underside 201 of the worktop 200. Hereby the installation of the hob module 101 on a worktop 200 or on the frame device 402 of a mounting frame 401 is considerably simplified.

In Figure 6 is shown purely schematically in a perspective view of how a hob module 101 can be received or attached to the underside 201 of a worktop 200 in order to provide a hob system 300 according to the invention or a fully integrated hob.

As shown in more detail in the later figures, the frame device 402 of the fastening frame 401 comprises a fastening device 403, by means of which the hob module 101 can be received on the frame device 402. In the exemplary embodiment shown, suspension devices 408 are provided in the rear area of the frame device 402. This makes it possible for a fitter to initially mount the relatively heavy cooktop module 101, for example via a hanging element 409, on one side of the frame device. According to an embodiment that is not shown, it is possible for the fixing devices 404 to be designed as hanging devices 408.

You can then simply let the hob module 101 hang down in the suspended state, so that the fitter can provide additional tools and fastening material.

For the final installation of the cooktop module 101, it is then raised on the free side in the direction of the worktop 200, which is relatively easily possible due to the side of the cooktop module 101 which has already been suspended. Since the hob module 101 is already suspended from the frame device 402, the fitter only has to move approximately half the weight of the hob module 101. It is also possible, among other things, that he presses the hob module against the frame device 402 or the worktop 200 with one hand, for example, and then fixes it, for example, with screws.

In Figure 7 the structure of a worktop 200 is shown purely schematically, as can be used for a hob system 300 according to the invention. The worktop 200 is made of ceramic 204 in the exemplary embodiment shown here.

Since the material thickness in the area of the induction coils or induction devices 102 of the hob module 101 must not exceed a certain thickness, recesses are provided in most worktops for fully integrated hobs, so that the layer thickness can be reduced at this point.

In the case of wooden or other millable materials, such a recess can be made by a simple milling process, for example by the kitchen builder. In the exemplary embodiment shown, however, a ceramic material is provided for 204, which cannot be milled. In the exemplary embodiment shown, the worktop 200 therefore consists of three layers 202, the cover layer being a continuous ceramic plate, and the two subsequent layers having corresponding recesses 205 or cutouts, so that corresponding recess geometries result. The individual layers are then put together to form the desired worktop 200 and connected using suitable suitable means.

In Figure 8 A mounting frame 401 according to the invention for a cooktop system 300 according to the invention is shown purely schematically in a perspective view. It can be seen here that the fastening point 401 comprises a frame device 402 on which the hob module 101 can be accommodated. The mounting frame 401 or the frame device 402 is attached to the underside 201 of a worktop 200 before the hob module 101 is installed.

In the exemplary embodiment shown here, the fastening frame 401 or the frame device 402 comprises fastening devices 403, which comprise fixing devices 404, which are designed here as screwing devices 406. Alternatively, in Figure 8 also shown that, alternatively or in addition to a screw device 406, adhesive surfaces 405 and / or clamping devices 407 can also be provided, by means of which the hob module 101 is received on the frame device 402.

In addition, depending on the configuration, an adjusting device 411 can be provided, which is integrated here in the fixing devices 404 or screwing devices 406. In this way, a targeted alignment of the hob module 101 below the worktop can easily be set.

In the Figures 9 and 10 are the in Figure 8 marked sections A and B are shown enlarged again. It can be seen here that a fixing device 404 is provided on the rear side 410 of the frame device 402 when installed. A suspension device 408 can also be seen. The hanging device 408 comprises a hook-like hanging element 409, into which the hob module 101 can be hung. Depending on the design, the hanging element 409 can also be designed as an adjusting device 411, the hob module 101 being attached to the hanging element 409 and being able to be displaced appropriately along the extent of the hanging element 409.

Furthermore, it can be seen that a plurality of screwing devices 406 are provided, this screwing device 406 being designed as threaded sleeves 412 in the exemplary embodiment shown here.

In the exemplary embodiment shown, the hob module 101 can first be hooked into the hanging device 408 and then moved against the frame device 402. Subsequently, for final fixing, the hob module 101 can be fastened to the frame device by means of screws, the screws being designed such that they hold the hob module 101 here in a load-bearing manner as soon as they are screwed into the threaded sleeves 412.

Depending on the embodiment, corresponding recesses 206 can be provided in the worktop 200 for the threaded sleeves, so that the frame device 402 lies flat against the underside 201 of the worktop 200.

Fastening openings 413 are provided in the frame device 402 for fastening the fastening frame 401 to the worktop. In addition, further openings 414 are provided in or on the frame device, which can be used for fastening the frame device 402 and or the hob module 200.

In Figure 11 A hob module 101 is shown purely schematically, which can be used for the hob system 200 according to the invention. The hob module 101 shown here comprises four induction devices 102, by means of which cookware standing on the worktop 200 can be heated. The corresponding power electronics are arranged below the induction devices 102 in a housing 133.

In the exemplary embodiment shown, the hob module 101 comprises fastening devices 132 on several sides, which interact with the fastening devices 403 of the fastening frame.

Here is in Figure 12 the in Figure 11 marked area is shown enlarged, in which it can be seen that a fastening device 132 is designed as a slot 134 which interacts with a hanging element 409 of the hanging device 408 of the fastening frame 401. The hob module 101 is attached to the frame device 402 by means of the slot 134.

Furthermore, it can be seen that openings 135 are provided in the hob module 101 as fastening devices 132, which, depending on the configuration, also as Elongated hole 136 can be formed. The hob module can be fixed to the frame device 402 via these openings 135, for example by means of a screw connection.

Reference list

101

Hob module

102

Housing device

103

Induction device

104

Control device

105

Sensor device

106

Sensor unit

107

magnet

108

Reed contact

109

Hall sensor

110

Reference coil

111

Locking device

112

Locking device

113

Mounting frame

114

Sensor device

115

Sensor unit

116

Measuring device

132

Fastening device

133

casing

134

slot

135

opening

136

Long hole

200

Countertop

201

bottom

202

layer

203

Top

204

Ceramics

205

Recess

206

Recess

300

Hob system

401

Mounting frame

402

Frame furnishings

403

Fastening device

404

Fixing device

405

Adhesive surface

406

Screwing device

407

Clamping device

408

Hanging device

409

Hanging element

410

page

411

Adjustment device

412

Threaded sleeve

413

Mounting hole

414

opening

Claims (15)

Hob module (101) for installation below a worktop (200), comprising at least one housing device (102), at least one induction device (103) and at least one control device (104) for controlling the at least one induction device (103),
characterized,
that at least one sensor device (105, 114) is provided, which is suitable and designed to detect a predetermined position of the at least one induction device (103) below the worktop (200), and that the control device (104) is suitable and designed for this to only release the operation of the induction device (104) when the sensor device (105, 114) has recognized the predetermined position. Hob module (101) according to claim 1, characterized in that the sensor device (105, 114) comprises at least one mechanical, acoustic, optical, electrical, magnetic and / or electromagnetic sensor unit (106, 115). Hob module (101) according to one of the preceding claims, characterized in that the sensor device (114) and / or the sensor unit (115) comprises at least one reference coil (110). Hob module (101) according to one of the preceding claims, characterized in that the sensor device (105) comprises at least one magnet (107), at least one reed contact (108), and / or at least one Hall sensor (109). Hob module (101) according to one of the preceding claims, characterized in that the sensor device (105, 114) interacts with at least one closure device (111) which covers the at least one induction device (103) until the predetermined position has been recognized. Hob module (101) according to one of the preceding claims, characterized in that the sensor device (105) comprises at least one latching device (112). Hob module (101) according to one of the preceding claims, characterized in that at least one fastening frame (113) is provided. Hob module (101) according to the preceding claim, characterized in that the at least one sensor device (105) is provided on the fastening frame (113). Hob module (101) according to one of the two preceding claims, characterized in that the at least one sensor device (105) is arranged on at least one predetermined sensor position on the fastening frame. Hob module (101) according to one of the three preceding claims, characterized in that the sensor device (105) comprises at least one magnet (107) and at least one reed contact (108) and / or at least one Hall sensor (109) and that the Magnet (107) on the housing device (102) and that the reed contact (108) and / or the Hall sensor (109) is arranged on the mounting frame (113). Hob module (101) according to one of the preceding claims, characterized in that at least two sensor devices (105, 114) are provided, by means of which two predetermined positions can be recognized and distinguished. Hob system (300) comprising at least one hob module (101) and at least one worktop (200). Hob system (300) according to claim 12, wherein the hob system (300) comprises at least one mounting frame (401), which comprises at least one frame device (402) for attaching a hob module (101) to a worktop (200), the frame device (402) comprises at least one fastening device (403) for fastening the hob module (101) to the frame device (402), and wherein the fastening frame (401) is fastened to the underside (201) of a worktop (200) and wherein the hob module (200) to the Fastening frame (401) is fixed, wherein the frame device (402) of the fastening frame (401) comprises at least one fastening device (403) and that the hob module (101) comprises at least one fastening device (132) which is connected to the fastening device (403) of the frame device ( 402) interacts. Method for checking the correct installation of a hob module (101) arranged below a worktop (200), characterized in that a predetermined position of the induction device (103) below the worktop (200) at least after the hob module (101) has been installed by means of at least one Sensor device (105) is recognized, and that the operation of the induction device (103) is only released when the sensor device (105, 114) has recognized the predetermined position. The method of claim 14, wherein the following steps are performed in an appropriate order: - Mounting a mounting frame (401) on the underside (201) of a worktop (200) - Fixing the hob module (101) on the mounting frame (401).

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