System comprising a hob, an exhaust hood with lighting and a lighting control system, and method for operating such a system

Abstract

The invention relates to a system (2) comprising a cooktop (4), wherein the cooktop (4) has at least one cooktop control unit (8) connected to a cooktop control unit (6) of the cooktop (4) via signal transmission and with at least one control element (10, 12, 14, 16, 18, 20;10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30) for switching on the hob (4) and setting hob parameters, a range hood (32) for extracting fumes above the hob (4), wherein the range hood (32) has a light (34), and a light control connected to the light (34) for switching on or switching on and adjusting the light (34), characterized in that the hob control (8) is simultaneously designed as the light control, wherein the hob control (8) is designed and configured such that the hob (4) can be switched on independently by a user (36) on the one hand and the light (34) can be switched on independently by a user (36) on the other hand. are switchable. Furthermore, the invention relates to a method for operating a system (2).;

Description

[0001] The invention relates to a system comprising a hob, an extractor hood with lighting and a lighting control of the type mentioned in the preamble of patent claim 1 and a method for operating a system.

[0002] Such systems and methods for their operation are already known from the prior art in a variety of embodiments. The known systems comprise a hob, wherein the hob has at least one hob control connected to a hob control unit of the hob in a signal-transmitting manner and having at least one control element for switching the hob on and setting hob parameters; an extractor hood for extracting vapors above the hob, wherein the extractor hood has lighting; and a lighting control connected to the lighting in a signal-transmitting manner for switching on or switching on and setting the lighting.

[0003] It is known from publication CH 707 522 A2 that in such a system, the hob control is simultaneously configured as the lighting control. A similar system is shown in publications EP 2 894 816 A1 and DE 10 2015 115 234 A1 and DE 10 2017 203 080 A1.

[0004] Different operating gestures for a hob are shown in the document DE 10 2005 018 298 A1.

[0005] The invention therefore addresses the problem of improving a system comprising a hob, an extractor hood with lighting and lighting control, as well as a method for operating a system.

[0006] According to the invention, this problem is solved by a system having the features of patent claim 1.

[0007] Furthermore, this problem is solved by a method for operating a system having the features of patent claim 8.

[0008] The cooktop and extractor hood of the system according to the invention can be designed in a variety of ways. For example, the cooktop can be an induction cooktop, a gas cooktop, a solid-state cooktop, or a combination cooktop with at least two of the aforementioned heating types. The cooktop can be, for example, a ceiling hood, a wall hood, an island hood, or a downdraft extractor, i.e., a fan that can be retracted into the cooktop and extended out of the cooktop. Furthermore, various built-in appliance solutions for the cooker hood of the system according to the invention are conceivable, such as built-in, under-counter, and intermediate units. Advantageous embodiments and further developments of the invention are set out in the following subclaims.

[0009] The advantage achievable with the invention lies in the particular improvement of a system comprising a hob, an extractor hood with lighting, and a lighting control, as well as a method for operating the same. Due to the inventive design of the system and the method for operating a system, operation of the lighting, i.e., switching it on and off or switching it on and off, as well as setting lighting parameters, is realized in a structurally and circuit-technically simple manner. Regarding switching the lighting on and off, it should also be noted that switching off can be effected either by the same lighting switch-on operation or by a lighting switch-off operation that is different from the lighting switch-on operation.It is also conceivable that, alternatively or in addition to the aforementioned possibilities, the lighting could be switched off automatically, for example, after a predetermined period of time has elapsed during which no operation of the hob controls or the like has been performed by a user of the system. Furthermore, this significantly improves the ergonomics of operating the lighting, since a user of the system operates both the hob and the extractor hood lighting solely using the hob controls located on the hob. Furthermore, the invention enables intuitive and thus simplified operation of the lighting.

[0010] The system according to the invention and its components can be freely selected within wide, suitable limits in terms of type, functionality, material, dimensions, number, and arrangement. See the aforementioned exemplary explanations of the cooktop and the extractor hood of the system according to the invention. The same applies to the cooktop control. For example, the cooktop control can preferably be designed as a so-called touch control, in which one or more touch-sensitive sensors, such as capacitive sensors or the like, are arranged beneath a cooktop plate. This results in an aesthetically high-quality appearance and a resistance to soiling of the cooktop. Furthermore, the cooktop is easy to clean and can be freely designed within wide limits.

[0011] According to the invention, the lighting is switched on independently of the hob by operating the hob control. This means, in particular, that the lighting can also be switched on without the hob being put into an operating state in which hob parameters can be selected or adjusted by operating the hob control.

[0012] An advantageous development of the system according to the invention provides that the hob control is designed and configured such that the hob can be switched on and the lighting switched on by means of a first control element of the at least one control element, preferably only by means of the first control element. In this way, the hob can be switched on and the lighting can be switched on in a particularly simple manner in terms of construction and circuitry. This applies in particular to the preferred embodiment of this development, since, in addition to the first control element, no further control element is required for switching on the hob on the one side and for switching on the lighting of the extractor hood on the other side. The operation of the hob control for switching on the hob and the lighting is thus also very simple and therefore very user-friendly.

[0013] Accordingly, an advantageous development of the method according to the invention provides that the hob switch-on operation and the lighting switch-on operation are carried out by means of a first operating element of the at least one operating element, preferably only by means of the first operating element.

[0014] An advantageous development of the aforementioned embodiment of the system according to the invention provides that the hob control is designed and configured such that the lighting switch-on operation can be carried out by means of the first control element and at least one second control element, preferably at least one second and one third control element, of the at least one control element. Particularly preferably, the lighting switch-on operation is configured as a single movement by the user. This enables a reliable differentiation between the hob switch-on operation on the one hand and the lighting switch-on operation on the other hand using technically simple means. This applies particularly to the preferred embodiment of this development.In addition, the particularly preferred embodiment of this development has the further advantage that the ergonomics when using the hob control to switch on the lighting by means of the lighting switch-on operation are further improved.

[0015] Accordingly, an advantageous development of the method according to the invention provides that the lighting switch-on operation is carried out by means of the first operating element and at least one second operating element, preferably at least one second and one third operating element, of the at least one operating element, particularly preferably that the lighting switch-on operation is designed as a single movement of the user.

[0016] A further advantageous development of the system according to the invention provides that the hob control is designed and configured such that at least one lighting parameter of the lighting can be adjusted after it has been switched on using the hob control by means of a lighting adjustment actuation by the user on the hob control, preferably that the lighting parameter can be adjusted using the hob control independently of the switched-on state of the hob. In this way, it is possible not only to switch the lighting of the extractor hood on or off using the hob control, but also to adjust it after it has been switched on using the hob control. Thus, an adaptation of the lighting to the circumstances of the individual case, for example to the currently prevailing lighting conditions in the environment of the system, can be realized using only the hob control.

[0017] Accordingly, an advantageous development of the method according to the invention provides that at least one lighting parameter of the lighting is set after it has been switched on by means of the hob control by means of a lighting setting actuation by the user on the hob control, preferably that the lighting parameter is set by means of the hob control independently of a switched-on state of the hob.

[0018] An advantageous development of the latter embodiment of the system according to the invention provides that the lighting adjustment operation can be carried out by means of a first operating element and at least one second operating element, preferably at least the second and one third operating element. Particularly preferably, the lighting adjustment operation is designed as a single movement of the user. Analogous to the above explanations regarding the lighting switch-on operation, this enables a reliable differentiation of the lighting adjustment operation from other operations of the cooktop operation using technically simple means. This applies particularly to the preferred embodiment of this development, since at least one first, one second, and one third operating element are used to carry out the lighting adjustment operation.In addition, the particularly preferred embodiment of this development has the further advantage that the ergonomics when using the hob control to adjust the lighting by means of the lighting adjustment actuation are further improved.

[0019] Accordingly, an advantageous development of the method according to the invention provides that the lighting adjustment operation is carried out by means of the first operating element and at least the second operating element, preferably at least the second and the third operating element, particularly preferably that the lighting adjustment operation is designed as a single movement of the user.

[0020] Another advantageous development of the system according to the invention provides that the hob control is designed and configured in such a way that an actuation duration and / or a number of actuations and / or a temporal actuation sequence and / or an actuation speed of at least one of the at least one operating element of the hob control, in each case in a predetermined time interval, can be evaluated for the automatic detection of the hob switch-on actuation and / or the lighting switch-on actuation and / or the lighting adjustment actuation.This enables a variety of different gestures to be used to operate the hob control to switch on and adjust the hob on the one hand and to switch on the lighting using the lighting switch-on control or to switch on the lighting using the lighting switch-on control and to adjust the lighting parameters after switching on the lighting using the lighting adjustment control on the other hand.

[0021] Accordingly, an advantageous development of the method according to the invention provides that in the hob control an actuation duration and / or a number of actuations and / or a temporal actuation sequence and / or an actuation speed of at least one of the at least one operating element of the hob control is / are evaluated, in each case in a predetermined time interval, for the automatic detection of the hob switch-on actuation and / or the lighting switch-on actuation and / or the lighting adjustment actuation.

[0022] A particularly advantageous development of the system according to the invention provides that, on the one hand, the hob has a plurality of cooking zones, each cooking zone being assigned a hob control of a plurality of hob controls, and, on the other hand, the lighting is designed and configured to illuminate each of the cooking zones separately, the hob control and the hob controls being designed and configured such that the lighting of one of the cooking zones can be switched on and / or adjusted using the hob control assigned to that cooking zone. In this way, highly individualized lighting of the hob, adapted to the respective situation when using the system and in particular the hob, can be realized using the lighting of the extractor hood.

[0023] Accordingly, an advantageous development of the method according to the invention provides that, on the one hand, the hob has a plurality of cooking zones, wherein each cooking zone is assigned a hob control of a plurality of hob controls, and, on the other hand, the lighting is designed and configured to illuminate each of the cooking zones separately, wherein the lighting of one of the cooking zones is switched on and / or adjusted by means of the hob control assigned to this cooking zone.

[0024] Two embodiments of the invention are shown purely schematically in the drawings and are described in more detail below. Figure 1 shows a first embodiment of the system according to the invention for carrying out the method according to the invention, in a partial representation, and Figure 2 shows a second embodiment of the system according to the invention for carrying out the method according to the invention, in a partial representation.

[0025] In the Fig. 1 a first embodiment of the system according to the invention for carrying out the method according to the invention is partially shown.

[0026] The system 2 according to the first exemplary embodiment comprises a hob 4 designed as an induction hob, wherein the hob 4 has a hob control 8 which is connected to a hob control 6 of the hob 4 in a signal-transmitting manner and has a plurality of control elements 10, 12, 14, 16, 18, 20 for switching on the hob 4 and setting hob parameters, an extractor hood 32 for extracting fumes (not shown) above the hob 4, wherein the extractor hood 32 has a light 34, and a light control which is connected to the light 34 in a signal-transmitting manner and is used to switch on the light 34. The hob control 8 is designed here as a so-called touch control, wherein under a hob plate (not shown) of the hob 4, there are located, not shown, the above-mentioned control elements 10, 12, 14, 16, 18, 20 assigned, capacitive sensors are arranged and connected to the hob control 6 in a signal-transmitting manner.The lighting 34 of the extractor hood 32 is also connected to the hob control 6 in a signal-transmitting manner, so that the lighting 34 of the extractor hood 32 can be operated simultaneously by means of the hob control 6 and the hob control 8. In the present exemplary embodiment, the hob control 6 and the hob control 8 of the hob 4 are designed and configured such that the hob 4 can be switched on and off only by means of the control element 10, which is designed as the first control element.

[0027] According to the invention, the hob control 8 is designed simultaneously as the lighting control, wherein the hob control 8 is designed and configured such that the hob 4, on the one hand, can be switched on by a user switching on the hob, and the lighting 34, on the other hand, can be switched on independently of one another by a user switching on the hob, which is different from the user switching on the hob. The user 36 is in the Fig. 1 only the right hand is depicted.

[0028] In the present first exemplary embodiment, the hob control 8 is designed and configured such that the hob switch-on operation and the lighting switch-on operation can be carried out by means of the first operating element 10 of the plurality of operating elements 10, 12, 14, 16, 18, 20, wherein the hob switch-on operation, as already explained above, can be carried out only by means of the first operating element 10, while the lighting switch-on operation can be carried out by means of the first operating element 10 and at least the operating element 12 designed as the second operating element, the operating element 14 designed as the third operating element, the operating element 16 designed as the fourth operating element, the operating element 18 designed as the fifth operating element and the operating element 20 designed as the sixth operating element, namely such that the lighting switch-on operation is designed as a single movement of the user.

[0029] To turn on the hob, the user 36 uses a single finger of their right hand to briefly touch the first control element 10 of the hob control 8. The hob 4 is switched on and thus ready for use. In the same way, namely by briefly touching the first control element 10 again, the user 36 of the system 2 can turn the hob 4 off again.

[0030] To turn on the lighting, the user 36 simultaneously operates the first to sixth control elements 10 to 20 of the hob control 8 with his entire right hand by briefly tapping the first to sixth control elements 10 to 20 with his right hand. The lighting 34 of the extractor hood 32 is switched on and illuminates the hob 4 in a predetermined manner. In the same way, namely by briefly tapping the first to sixth control elements 10 to 20 again, the user 36 of the system 2 can turn the lighting 34 off again.

[0031] For example, the first control element 10 has a standby function. Accordingly, the power consumption of the hob 4 and thus of the system 2 is significantly reduced.

[0032] By means of the aforementioned hob activation actuation, system 2 is transferred from standby mode to normal operating mode, in which all functions of system 2 are available. This also occurs by means of the aforementioned lighting activation actuation, since the first operating element 10 is also actuated in this case. Technically speaking, in the present exemplary embodiment, when the lighting is activated, the actuation of the first operating element 10 is initially detected, which leads to the transfer of system 2 from standby mode to normal operating mode. Shortly thereafter, it is detected that the other operating elements 12 to 20 have also been actuated. This occurs even though the user 36 actually only performs a single movement.

[0033] Thus, the hob 4 on one side and the lighting 34 of the extractor hood 32 on the other side can each be switched on and off independently of one another using the hob control 8 of the hob 4. If only the first control element 10 is operated in the aforementioned manner, only the hob 4 is switched on or off using the hob control 6. In contrast, if the first to sixth control elements 10 to 20 are operated simultaneously in the aforementioned manner, only the lighting 34 of the extractor hood 32 is switched on or off.

[0034] Both the hob activation and the lighting activation are designed as a single movement by the user, so that the operation of the hob control 8 for switching on the hob 4 on the one hand and for switching on the lighting 34 of the extractor hood 32 on the other hand is very ergonomic and intuitive. The same applies to switching off the hob 4 and the lighting 34, respectively.

[0035] In order to sense the above-mentioned short actuations of the hob control 8 for the purpose of carrying out the hob switch-on actuation and the lighting switch-on actuation, the hob control 6 is designed and configured such that an actuation duration and / or a number of actuations and / or a temporal actuation sequence and / or an actuation speed of at least one of the at least one operating element 10 to 20 of the hob control 8 can be evaluated in the hob control 6, in each case in a predetermined time interval, for the automatic detection of the hob switch-on actuation and the lighting switch-on actuation.

[0036] In contrast to the first exemplary embodiment, it is conceivable in other embodiments of the invention that both the hob activation and the lighting activation can be carried out and are carried out using only the first operating element. For example, it could be provided that the first operating element of the at least one operating element of the hob operation is only briefly tapped using a single finger to activate the hob activation, while the first operating element is tapped several times briefly using a single finger to activate the lighting activation. However, other configurations are also conceivable.

[0037] In the Fig. 2A second embodiment of the system according to the invention for carrying out the method according to the invention is shown purely by way of example. Identical or equivalent components are designated by the same reference numerals. Furthermore, the second embodiment is explained below only to the extent of the distinguishing features from the first embodiment. Otherwise, reference is made to the above explanations regarding the first embodiment.

[0038] In contrast to the first embodiment, the individual control elements 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 of the plurality of control elements 10 to 30 of the cooktop control 8 are arranged next to one another. Furthermore, the cooktop control 8 of the second embodiment has more control elements 10 to 30 than the first embodiment.

[0039] In the second embodiment, as in the first embodiment, the hob 4 is switched on by means of the hob switch-on operation by merely briefly tapping the first control element 10. However, in the second embodiment, the lighting 34 is switched on and off by means of the lighting switch-on operation by simultaneously briefly tapping the first and second control elements 10, 12. Otherwise, the lighting 34 of the extractor hood 32 is switched on and off in a similar manner to the first embodiment.

[0040] Furthermore, the second embodiment differs from the first embodiment in that the hob control 6 and the hob control 8 are designed and configured such that at least one lighting parameter of the lighting 34 can be adjusted after it has been switched on by means of the hob control 8 by means of a lighting adjustment actuation of the user 36 on the hob control 8, wherein the lighting parameter can be adjusted by means of the hob control 8 independently of a switched-on state of the hob 4.

[0041] The lighting adjustment operation can be carried out using the operating elements 10 to 30 of the hob control 8, namely in such a way that the lighting adjustment operation is designed as a single movement of the user 36. For this purpose, the hob control 6 is designed and configured such that an actuation duration and / or a number of actuations and / or a temporal actuation sequence and / or an actuation speed of at least one of the at least one operating element 10 to 30 of the hob control 8 can be evaluated in the hob control 6, each at a predetermined time interval, for automatically detecting the lighting adjustment operation.

[0042] For example, repeated, brief placement of the user's hand 36 on the hob control 8 of the hob 4 within a predetermined period of time can be used to time-controlled the lighting 34 to switch on. For each time the hand is placed on the hob control 8, i.e., on at least two, preferably at least three, of the control elements 10 to 30 of the hob control 8, the switch-on time of the switched-on lighting 34 increases, for example, by five minutes. After the switch-on time specified in the aforementioned manner has elapsed, the hob control 6 automatically switches the lighting 34 off again.

[0043] Furthermore, a swiping motion of one finger of the hand, multiple fingers of the hand, or the entire hand of the user 36 across the control elements 10 to 30 of the cooktop control 8 within a predetermined period of time can be used to dim the lighting 34 of the extractor hood 32. Accordingly, a swipe along the cooktop control 8 toward the control element 30 can cause a steady or sudden increase in the illuminance, and a swipe along the cooktop control 8 toward the control element 10 can cause a steady or sudden decrease in the illuminance.The wiping speed and / or width of the operating elements 10 to 30 touched directly next to one another by at least one of the fingers of the hand or the hand of the user 36, detected by the cooktop control 6, can influence a rate of change in the illuminance of the lighting 34, i.e., the rate of change in the brightness of the lighting 34, in a predetermined manner. For example, it may be irrelevant whether operating elements of the cooktop control 8 are actuated in the area of the operating element 10 or in the area of the operating element 30 or in the area of the entire cooktop control 8, i.e., in the area of the operating elements 10 to 30, during the aforementioned wiping movement of the user 36.

[0044] Alternatively or in addition to the aforementioned embodiments, the wiping movement can also be designed perpendicular to the linear extension of the hob control 8, instead of parallel to the linear extension of the hob control 8. Accordingly, a wiping movement with the user's hand 36 over the hob control 8 could detect an increasing width or a decreasing number of control elements 10 to 30 arranged directly next to one another, and thus, for example, a light color of the lighting 34 of the extractor hood 32 could be set. Thus, an actuation of the hob control 8 with the user's hand 36 in the direction from the fingertips towards the wrist of the hand could, for example, change the light color continuously or gradually from one end of the spectrum of visible light to the other end of this spectrum.When the hob control 8 is operated with the user's hand 36 in the direction from the wrist toward the fingertips, the light color could be changed continuously or gradually in the opposite direction of the aforementioned spectrum. Analogous to the above, the speed of the respective swiping movement could influence the rate of change of the light color, i.e., the speed of the change in the light color.

[0045] If the lighting 34 of the extractor hood 32 is designed to be zoomable, it would also be possible, alternatively or additionally, to zoom in on the lighting of the hob 4 using the lighting 34 to a specific area of the hob 4, for example a specific cooking zone (not shown) of the hob 4, or, for example, to expand the lighting of a specific cooking zone to the entire hob 4. This could be done purely by way of example with a swiping motion with two fingers of the user's hand 36 over the hob control 8. For the aforementioned zooming in, the two fingers of the hand could be moved from a position in which the two fingers are spread apart from one another to a position in which the two fingers are directly adjacent to one another. For the aforementioned zooming out, the two fingers could be moved accordingly from the position in which the two fingers are directly adjacent to one another to the position in which the two fingers are spread apart from one another.

[0046] The gestures, for example the aforementioned wiping movements with at least one finger of the hand, several fingers of the hand or the entire hand of the user 36, can be combined with each other and / or with other gestures in a meaningful way according to the lighting parameters of the lighting 34 of the extractor hood 32 provided in the respective embodiment of the invention.

[0047] Due to the inventive design of the system and the method for operating the system according to the present exemplary embodiments, operation of the lighting 34, i.e., switching it on and off or switching it on and off as well as setting lighting parameters of the lighting 34, is realized in a structurally and circuit-technically simple manner. With regard to switching the lighting 34 on and off, it should also be noted that switching it off can also be carried out by a lighting switch-off operation that is different from the lighting switch-on operation. Furthermore, it is conceivable that switching the lighting 34 off automatically, as an alternative or in addition to the aforementioned possibilities, for example, after a predetermined time interval has elapsed during which no operation of the hob control 8 or the like has been carried out by the user 36 of the system 2.Furthermore, in the present embodiments of the invention, the ergonomics of operating the lighting 34 are significantly improved, since the user 36 of the system 2 operates both the hob 4 and the lighting 34 of the extractor hood 32 solely by means of the hob control 8 arranged on the hob 4. Furthermore, the invention according to the present embodiments enables intuitive and thus simplified operation of the lighting 34.

[0048] However, the invention is not limited to the present embodiments.

[0049] For example, the hob and extractor hood of the system according to the invention can be suitably designed in a variety of embodiments. See, in particular, the explanations in the introduction to the description. Furthermore, the system according to the invention can be designed as a system for household use as well as for commercial operation, i.e., for professional use.

[0050] In particular, the invention is not limited to the structural, circuitry, and process engineering designs of the two exemplary embodiments. For example, it is not necessary for the cooktop control to be designed as a so-called touch control. The person skilled in the art will make the appropriate selection in terms of structural, circuitry, and process engineering, depending on the requirements of the individual case.

[0051] In contrast to the exemplary embodiments explained, it can be provided that, on the one hand, the hob has a plurality of cooking zones, wherein each cooking zone is assigned a hob control of a plurality of hob controls, and, on the other hand, the lighting is designed and configured to illuminate each of the cooking zones separately, wherein the hob control and the hob controls are designed and configured such that the lighting of one of the cooking zones can be switched on and / or adjusted by means of the hob control assigned to this cooking zone.The same applies to an advantageous development of the method according to the invention, according to which, on the one hand, the hob has a plurality of cooking zones, wherein each cooking zone is assigned a hob control of a plurality of hob controls, and, on the other hand, the lighting is designed and configured to illuminate each of the cooking zones separately, wherein the lighting of one of the cooking zones is switched on and / or adjusted by means of the hob control assigned to that cooking zone. For example, each cooking zone can be assigned its own hob control according to one of the two exemplary embodiments. However, a combination of a common hob control for the hob as a whole and individual hob controls assigned to the respective cooking zones is also conceivable.For example, the cooker hood lighting could be switched on or switched on and off using the shared hob control in at least one of the ways explained above. When the lighting is switched on, the corresponding lighting parameters can then be adjusted for each of the cooking zones using the hob control assigned to that zone in at least one of the ways explained above.

Claims

1. System (2) comprising a hob (4) and an extractor hood (32) for extracting vapours above the hob (4), wherein the hob (4) comprises at least one hob control (8) which is connected to a hob controller (6) of the hob (4) in a signal-transmitting manner and has at least one control element (10, 12, 14, 16, 18, 20; 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30) for switching on the hob (4) and adjusting hob parameters, wherein the extractor hood (32) has an illumination means (34) and an illumination-means control connected to the illumination means (34) in a signal-transmitting manner for switching on or for switching on and adjusting the illumination means (34), wherein the hob control (8) is simultaneously designed as the illumination-means control, wherein the hob control (8) and the hob controller (6) are designed and configured such that the hob (4) can be switched on by means of a hob switch-on operation by a user (36) and that the illumination means (34) can be switched on by means of an illumination-means switch-on operation by the user (36) which is different from the hob switch-on operation, wherein the illumination means (34) can be switched on independently of the hob (4), characterised in that the illumination means (34) can also be switched on without the hob (4) being put into an operating state by means of a hob switch-on operation, in which operating state hob parameters can be selected or adjusted.

2. System (2) according to claim 1, characterised in that the hob control (8) is designed and configured such that the hob switch-on operation and the illumination-means switch-on operation can be carried out by means of a first control element (10) of the at least one control element (10, 12, 14, 16, 18, 20; 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30), preferably solely by means of the first control element.

3. System (2) according to claim 2, characterised in that the hob control (8) is designed and configured such that the illumination-means switch-on operation can be carried out by means of the first control element (10) and at least one second control element (12), preferably at least one second and one third control element (10, 12, 14, 16, 18, 20), of the at least one control element (10, 12, 14, 16, 18, 20; 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30), particularly preferably that the illumination-means switch-on operation is designed as a single movement by the user (36).

4. System (2) according to any of claims 1 to 3, characterised in that the hob controller (6) and the hob control (8) are designed and configured such that at least one illumination parameter of the illumination means (34) can be adjusted after it has been switched on by means of the hob control (8) by the user (36) performing an illumination-means adjustment operation on the hob control (8), preferably that the illumination parameter can be adjusted by means of the hob control (8) independently of a switched-on state of the hob (4).

5. System (2) according to claim 4, characterised in that the illumination-means adjustment operation can be carried out by means of a first control element (10) and at least one second control element (12), preferably at least the second and one third control element (10, 12, 14, 16, 18, 20), particularly preferably that the illumination-means adjustment operation is designed as a single movement by the user (36).

6. System (2) according to any of claims 1 to 5, characterised in that the hob controller (6) is designed and configured such that, in the hob controller (6), an operation duration and / or a quantity of operations and / or a temporal operation sequence and / or an operation speed of at least one of the at least one control element (10, 12, 14, 16, 18, 20; 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30) of the hob control (8) can be evaluated, in each case at a predetermined time interval, in order to automatically detect the hob switch-on operation and / or the illumination-means switch-on operation and / or the illumination-means adjustment operation.

7. System according to any of claims 1 to 6, characterised in that the hob has a plurality of hot plates, wherein each hot plate is assigned a hob control of a plurality of hob controls, and the illumination means is designed and configured to illuminate each of the hot plates separately, wherein the hob controller and the hob controls are designed and configured such that the illumination means of one of the hot plates can be switched on and / or adjusted by means of the hob control assigned to this hot plate.

8. Method for operating a system (2) according to any of claims 1 to 7, characterised in that the hob (4) and the illumination means (34) can be switched on independently of one another by means of a hob switch-on operation performed by a user (36) on the hob control (8) and by means of an illumination-means switch-on operation performed by the user (36) on the hob control (8), which illumination-means switch-on operation is different from the hob switch-on operation, wherein the illumination means (34) can also be switched on without the hob (4) being put into an operating state by means of a hob switch-on operation, in which operating state hob parameters can be selected or adjusted.

9. Method according to claim 8, characterised in that the hob switch-on operation and the illumination-means switch-on operation are carried out by means of a first control element (10) of the at least one control element (10, 12, 14, 16, 18, 20; 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30), preferably solely by means of the first control element.

10. Method according to claim 9, characterised in that the illumination-means switch-on operation is carried out by means of the first control element (10) and at least one second control element (12), preferably at least one second and one third control element (10, 12, 14, 16, 18, 20), of the at least one control element (10, 12, 14, 16, 18, 20; 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30), particularly preferably that the illumination-means switch-on operation is designed as a single movement by the user (36).

11. Method according to any of claims 8 to 10, characterised in that at least one illumination parameter of the illumination means (34) is adjusted after it has been switched on by means of the hob control (8) by an illumination-means adjustment operation performed by the user (36) on the hob control (8), preferably that the illumination parameter is adjusted by means of the hob control (8) independently of a switched-on state of the hob (4).

12. Method according to claim 11, characterised in that the illumination-means adjustment operation is carried out by means of the first control element (10) and at least the second control element (12), preferably at least the second and the third control element (10, 12, 14, 16, 18, 20; 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30), particularly preferably that the illumination-means adjustment operation is designed as a single movement by the user (36).

13. Method according to any of claims 8 to 12, characterised in that, in the hob controller (6), an operation duration and / or a quantity of operations and / or a temporal operation sequence and / or an operation speed of at least one of the at least one control element (10, 12, 14, 16, 18, 20; 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30) of the hob control (8) is / are evaluated, in each case at a predetermined time interval, in order to automatically detect the hob switch-on operation and / or the illumination-means switch-on operation and / or the illumination-means adjustment operation.

14. Method according to any of claims 8 to 13, characterised in that the hob has a plurality of hot plates, wherein each hot plate is assigned a hob control of a plurality of hob controls, and the illumination means is designed and configured to illuminate each of the hot plates separately, wherein the illumination means of one of the hot plates is switched on and / or adjusted by means of the hob control assigned to that hot plate.

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