HOB DEVICE

Description

[0001] The invention relates to a hob device according to the preamble of claim 1 and a method for operating a hob device according to the preamble of claim 14.

[0002] A hob device is already known from the prior art, comprising a plurality of heating units and a power supply unit which, in an operating state, supplies at least one of the heating units with power. Power supply outputs of the power supply unit are electrically connected to configuration inputs of a configuration unit. Configuration outputs of the configuration unit are electrically connected to assignment inputs of an assignment unit. In the operating state, assignment outputs of the assignment unit can be assigned to the assignment inputs by means of the assignment unit. The assignment outputs are each electrically connected to one of the heating units. A first power supply output of the power supply outputs is electrically connected exclusively to a first configuration input.A second power supply output of the power supply outputs is exclusively electrically connected to a second configuration input. A third power supply output of the power supply outputs is exclusively electrically connected to a third configuration input.

[0003] Rather, the document WO 2009 / 056452 A1 discloses a hob device according to the preamble of claim 1.

[0004] Furthermore, from the document WO 2011 / 051856 A1, a power supply unit is known which regulates a power supply to at least one heating unit via a configuration unit, wherein, for a cost-effective design, the number of switching operations in an operating state is largely reduced to a necessary number, so that the power supply unit can be used alternately for several heating units by means of "OR circuits".

[0005] The object of the invention is, in particular, to provide a generic device with improved properties regarding flexibility. This object is achieved according to the invention by the features of claims 1 and 14, while advantageous embodiments and further developments of the invention can be found in the subclaims.

[0006] The invention is based on a hob device, in particular an induction hob device, with at least three heating units, with at least one energy supply unit which has at least three energy supply outputs and which supplies at least one of the heating units with energy in at least one operating state, with at least one configuration unit which has at least three configuration inputs, each of which is electrically connected to one of the energy supply outputs, and at least three configuration outputs, wherein a first configuration input, in particular of the configuration inputs, is electrically connected to a first configuration output, in particular of the configuration outputs, and a second configuration input, in particular of the configuration inputs, is electrically connected to a second configuration output, in particular of the configuration outputs, and with at least one allocation unit,which has at least three assignment inputs, each of which is electrically connected to one of the configuration outputs, and at least three assignment outputs, each of which is electrically connectable to one of the heating units, and by means of which, in the operating state, the assignment outputs are electrically connectable to the assignment inputs.

[0007] It is proposed that a third configuration input, in particular of the configuration inputs, can be electrically connected optionally to at least one of the configuration outputs in the operating state.

[0008] Such a design makes it possible to achieve a high degree of flexibility. In particular, energy supply outputs, which are in particular electrically connected to the configuration inputs, can be flexibly combined, thereby making it possible to achieve a large number of heatable heating zone configurations and / or cooking utensil configurations. High efficiency, in particular with regard to total output power, can be achieved in particular because the available total output power can be flexibly distributed independently of the number of activated heating units. In particular, a reliable and / or robust design can be achieved, in particular with regard to high target heating powers, in particular those requested by an operator and advantageously provided for exactly one heating zone.In particular, at least two of the power supply outputs can be assigned to precisely one heating zone, whereby, in particular, low electrical currents through electrical components, such as in particular at least one heating frequency unit and / or the configuration unit and / or the allocation unit and / or at least one switching unit, and / or a low load and / or low losses can be achieved. Particularly with a small number of heating frequency units, a large number of heating zones and / or cooking utensils can be heated, which in particular enables a high level of comfort for an operator.In particular, in the case of at least two heating zones, which could in particular be provided for heating one cooking utensil each and which could in particular be connected to a number of energy supply outputs which is smaller than a maximum number of energy supply outputs, a reliable design can be achieved.

[0009] A "cooktop device," in particular an "induction cooktop device," is understood to mean at least one part, in particular a subassembly, of a cooktop, in particular an induction cooktop. The cooktop device has, in particular, at least one mounting plate, below which the heating units are arranged in at least one installation position. The cooktop device could, for example, be provided for at least two, in particular for at least three, advantageously for at least five, and preferably for several different cooktops, which could differ in particular in the number and / or arrangement of heating units. This makes it possible to achieve, in particular, high flexibility and / or low inventory and / or low costs, since the development of different cooktop devices for different cooktops can be dispensed with.

[0010] A "support plate" should be understood to mean, in particular, at least one, in particular plate-like unit, which is intended for the placement of at least one cooking utensil and / or for the placement of at least one item of food for heating purposes. The support plate could, for example, be designed as a partial region of at least one worktop, in particular at least one kitchen worktop, in particular at least one cooking system comprising the hob device. Alternatively or additionally, the support plate could be designed as a hob plate. The support plate designed as a hob plate could, in particular, form at least part of a hob outer housing and, in particular, together with at least one outer housing unit, to which the support plate designed as a hob plate could, in particular, be connected in at least one assembled state, form at least a large part of the hob outer housing.The base plate could, for example, be made at least largely of glass and / or glass ceramic and / or Neolith and / or Dekton and / or wood and / or marble and / or stone, in particular natural stone, and / or laminate and / or metal and / or plastic and / or ceramic. "At least largely" is understood to mean a proportion, in particular a mass fraction and / or volume fraction, of at least 70%, in particular of at least 80%, advantageously of at least 90%, and preferably of at least 95%.

[0011] The hob device comprises, in particular, at least four, in particular at least five, advantageously at least eight, particularly advantageously at least twelve, and preferably a plurality of heating units, in particular including the at least three heating units. In this context, a "heating unit" is understood to mean, in particular, a unit that is intended to supply energy to at least one cooking utensil in at least one operating state for the purpose of heating the cooking utensil. For example, the heating unit could be designed as a resistance heating unit and, in particular, be intended to convert energy into heat and supply this heat to the cooking utensil for the purpose of heating the cooking utensil.Alternatively or additionally, the heating unit could be designed as an induction heating unit and, in particular, be provided to supply energy in the form of an alternating electromagnetic field to the cooking utensil, wherein the energy supplied to the cooking utensil could be converted into heat, in particular in the cooking utensil. In at least one operating state, the heating units are arranged, in particular, below at least one variable cooking surface area and / or the support plate and are advantageously arranged in a vicinity of the variable cooking surface area and / or the support plate.

[0012] In particular, the heating unit could have precisely one heating element, which could be defined in particular by precisely one conducting element, which in at least one operating state could be provided in particular for conducting electrical current, in particular for providing heating energy. Alternatively, the heating unit could have at least two, in particular at least three, advantageously at least five, and preferably more heating elements, each of which could have precisely one conducting element. The heating unit could in particular have a group of heating elements.

[0013] At least some, and advantageously all, of the at least three heating units could, for example, be designed as stand-alone heating units and, in particular, define independent heating zones. Alternatively or additionally, at least some, and advantageously all, of the at least three heating units could, for example, define at least one variable cooking surface area. A "variable" cooking surface area is to be understood, in particular, as a cooking surface area that is intended for placing cooking utensils in, in particular, any desired position for the purpose of heating. For example, the variable cooking surface area could be at least a surface portion of the installation plate, specifically a surface portion of the installation plate facing an operator in at least one operating state. In at least one operating state, the heating units, in particular, are arranged below the variable cooking surface area.A control unit, in particular of the cooking surface device, forms at least one heating zone from at least some of the heating units in at least one operating state, which heating zone is adapted in particular to at least one item of cooking utensil set up, in particular to a size and / or shape of at least one item of cooking utensil set up. In particular, the variable cooking surface area differs from a cooking surface area in which cooking zones are fixedly predetermined, in particular by markings on the cooking surface area. The heating units defining the variable cooking surface area could, for example, be arranged in the form of a matrix. Alternatively or additionally, the heating units defining the variable cooking surface area could, for example, be movably mounted at least partially, in particular at least substantially parallel to a main extension plane of the installation plate, and could, in particular, be designed as movable heating units.

[0014] A "main extension plane" of an object is understood to mean, in particular, a plane that is parallel to the largest side surface of a smallest imaginary geometric cuboid that just completely encloses the object, and in particular, runs through the center of the cuboid. "Substantially parallel" is understood here to mean, in particular, an alignment of a direction relative to a reference direction, in particular in a plane, wherein the direction has a deviation from the reference direction of, in particular, a maximum of 8°, advantageously a maximum of 5°, and particularly advantageously a maximum of 2°.

[0015] An "energy supply unit" is understood to mean, in particular, a unit which, in particular, has at least one heating frequency unit and which, in particular in at least one operating state, provides energy, in particular in the form of electrical current and advantageously in the form of a high-frequency alternating current, in particular by means of the heating frequency unit. The energy supply unit could, for example, have at least two, in particular at least three, advantageously at least four, particularly advantageously at least five, and preferably at least six heating frequency units.

[0016] A "heating frequency unit" is understood, in particular, to be an electrical unit that generates an oscillating electrical signal, preferably with a frequency of at least 1 kHz, in particular of at least 10 kHz, advantageously of at least 20 kHz, and in particular of a maximum of 100 kHz for an induction heating unit. In particular, the heating frequency unit is intended to provide a maximum electrical power required by the induction heating unit of at least 1000 W, in particular at least 2000 W, advantageously at least 3000 W, and preferably at least 3500 W.The heating frequency unit comprises, in particular, at least one inverter, which preferably has at least two, preferably series-connected, bidirectional unipolar switches, which are formed, in particular, by a transistor and a diode connected in parallel, and, particularly advantageously, at least one damping capacitor connected in parallel to the bidirectional unipolar switches, which is formed, in particular, by at least one capacitor. This makes it possible to provide a high-frequency energy supply to the induction heating unit. A voltage tap of the heating frequency unit is arranged, in particular, at a common contact point of two bidirectional unipolar switches.

[0017] An "object input" of an object is understood to mean, in particular, an electrical contact through which energy, in particular in the form of electrical current, enters and / or can enter the object in at least one operating state. An "object output" of an object is understood to mean, in particular, an electrical contact through which energy, in particular in the form of electrical current, exits and / or can exit the object in at least one operating state. The object input and the object output are arranged at opposite end regions of the object, in particular with respect to at least one, in particular technical, current direction.

[0018] A "configuration unit" is to be understood, in particular, as a unit which, in at least one operating state, in particular as a function of control by the control unit, establishes at least one electrically conductive connection between at least one of the configuration inputs and at least one of the configuration outputs. In particular, the configuration unit has at least one configuration switching unit, by means of which the third configuration input can be electrically conductively connected, in particular selectively, to at least one of the configuration outputs in the operating state. For example, by means of the configuration unit, in particular by means of the configuration switching unit, the first configuration input could be selectively connected to the second configuration output and / or to the third configuration output in at least one operating state.In particular by means of the configuration unit, in particular by means of the configuration switching unit, the second configuration input could be selectively connectable to the first configuration output and / or to the third configuration output in at least one operating state.

[0019] Particularly advantageously, the first configuration input is electrically conductively connected to the first configuration output, particularly permanently and / or independently of an operating state and / or independently of a switching position of the configuration switching unit. The second configuration input is particularly advantageously electrically conductively connected to the second configuration output, particularly permanently and / or independently of an operating state and / or independently of a switching position of the configuration switching unit.

[0020] A "switching unit" is understood to mean, in particular, a unit which, in particular, has at least one switching element and which, in particular by means of the switching element, is provided for establishing and / or breaking at least one electrical connection. In at least one operating state, the switching unit, in particular, establishes an electrically conductive connection and / or interrupts an electrically conductive connection.

[0021] A "switching element" is understood to mean, in particular, an electrical and / or electronic element that has a first contact and a second contact and is designed to establish and / or break an electrically conductive connection between the first contact and the second contact, and that, in particular in addition to the first contact and the second contact, has, in particular, a control contact for receiving at least one control signal. In particular, the switching element can be switched via the control contact, wherein the switching element can be designed, in particular, to receive a control signal, in particular from the control unit, by means of the control contact and to change a switching position depending on the control signal. For example, the switching element could be designed as a mechanical and / or electromechanical and / or electromagnetic switching element, in particular as a relay.The switching element could alternatively be designed as a transistor, in particular as a power transistor and preferably as an IGBT.

[0022] A "control unit" is understood, in particular, to mean an electronic unit that is preferably at least partially integrated into a control and / or regulating unit of a hob and that is preferably intended to control and / or regulate at least the heating units and / or the heating frequency units and / or at least one switching unit, in particular the configuration switching unit and / or at least one allocation switching unit. The control unit preferably comprises a computing unit and, in particular, in addition to the computing unit, a memory unit with a control and / or regulating program stored therein, which is intended to be executed by the computing unit.

[0023] An "assignment unit" is to be understood, in particular, as a unit which, in at least one operating state, in particular as a function of control by the control unit, establishes at least one electrically conductive connection between at least one of the assignment inputs and at least one of the assignment outputs. For example, by means of the assignment unit, at least one first assignment input of the assignment inputs could be electrically connected to at least one first assignment output of the assignment outputs and / or at least one second assignment input of the assignment inputs could be electrically connected to at least one second assignment output of the assignment outputs and / or at least one third assignment input of the assignment inputs could be electrically connected to at least one third assignment output of the assignment outputs, thereby achieving, in particular, a small number of components and / or dispensing with an assignment switching unit.

[0024] Particularly advantageously, the allocation unit comprises at least one allocation switching unit, by means of which at least one, in particular any, allocation input of the allocation inputs can be electrically connected, in particular selectively, to at least one, in particular any, allocation output of the allocation outputs in the operating state. This allows, in particular, a flexible design to be achieved.

[0025] The phrase that a first object is "electrically conductively connected to a second object" is to be understood as meaning that, regardless of an operating state, in particular regardless of a switching position of at least one configuration switching unit and / or at least one assignment switching unit, at least one electrically conductive connection exists between the first object and the second object. The phrase that a first object is "electrically conductively connectable to a second object" is to be understood as meaning that, in at least one operating state, depending on a switching position of at least one configuration switching unit and / or at least one assignment switching unit, at least one electrically conductive connection exists between the first object and the second object.

[0026] The phrase "optionally" electrically connectable to at least one of the configuration outputs in the operating state should be understood to mean, in particular, that the third configuration input is connectable to the first configuration output and / or to the second configuration output and / or to the third configuration output in the operating state, in particular by means of the configuration switching unit. The cooktop device has, in particular, at least one control unit, which is provided, in particular, for controlling and / or regulating the configuration unit and / or the allocation unit and / or the power supply unit and which, in particular, electrically connects the third configuration input, in at least one operating state, optionally, in particular depending on at least one allocation parameter, to at least one of the configuration outputs.The allocation parameter could, for example, be a heating zone configuration and / or a cooking utensil configuration and / or an energy utilization and / or a heating power available in particular for the corresponding mains voltage phase and / or an operating input via at least one user interface, in particular of the hob device.

[0027] "Intended" should be understood in particular to mean specifically programmed, designed, and / or equipped. The fact that an object is intended for a specific function should be understood in particular to mean that the object fulfills and / or performs this specific function in at least one application and / or operating state.

[0028] It is further proposed that the first configuration input be electrically conductively connected to the third configuration output in the operating state. For example, the first configuration input could be electrically conductively connected exclusively to the first configuration output and to the third configuration output in the operating state. Advantageously, the first configuration input is electrically conductively connectable to the first configuration output and to the third configuration output in the operating state and, in particular, additionally, in particular to the second configuration output in the operating state. In particular, the configuration unit, in particular as a function of control by the control unit, electrically conductively connects the first configuration input to the first configuration output and to the third configuration output and, in particular, additionally, in particular to the second configuration output in at least the operating state.This allows for a particularly flexible design.

[0029] Preferably, the second configuration input is electrically conductively connectable to the third configuration output in the operating state. For example, the second configuration input could be electrically conductively connectable exclusively to the second configuration output and to the third configuration output in the operating state. Advantageously, the second configuration input is electrically conductively connectable to the second configuration output and to the third configuration output in the operating state and, in particular additionally, in particular to the first configuration output. In particular, the configuration unit, in particular depending on control by the control unit, electrically connects the second configuration input to the second configuration output and to the third configuration output in at least the operating state and, in particular additionally, in particular to the first configuration output.This allows for a high level of flexibility.

[0030] It is also proposed that the first configuration input be electrically conductively connected exclusively to the first configuration output in the operating state. In particular, the configuration unit, in particular depending on control by the control unit, electrically conductively connects the first configuration input exclusively to the first configuration output in at least one operating state. The second configuration input be electrically conductively connected exclusively to the second configuration output in the operating state. In particular, the configuration unit, in particular depending on control by the control unit, electrically conductively connects the second configuration input exclusively to the second configuration output in at least one operating state.This makes it possible, in particular, to achieve a clear and / or simple design, which in particular makes it possible to achieve low costs and / or a low variety of components.

[0031] It is further proposed that, in the operating state, the third configuration input be electrically conductively connected simultaneously to at least two configuration outputs, in particular to the first configuration output and / or to the second configuration output and / or to the third configuration output. The phrase "an object is electrically conductively connected simultaneously to at least two other objects" is intended to mean, in particular, that at at least one point in time, and advantageously at any point in time, the object is electrically conductively connected to at least a first of the other objects and to at least a second of the other objects.In particular, at least one electrically conductive connection exists between the object and the first further object and at least one electrically conductive connection exists between the first object and the second further object at at least one time, and advantageously at any time. As a result, the third configuration input can be used, in particular, to support at least two configuration outputs simultaneously, thereby enabling, in particular, low losses and / or low loading of components. In particular, the third configuration input can be connected, in particular, flexibly to the configuration outputs.

[0032] It is further proposed that, in the operating state, the third configuration input be electrically conductively connected simultaneously exclusively to one, in particular to exactly one, of the configuration outputs, in particular to the first configuration output or to the second configuration output or to the third configuration output. The phrase "simultaneously electrically conductively connectable exclusively to one of the further objects" is intended to mean, in particular, that at at least one, and advantageously at any, in particular arbitrary, point in time, the object is electrically conductively connected either to a first of the further objects or to a second of the further objects or to a third of the further objects.In particular, at least one electrically conductive connection exists between the object and the first further object and either the first of the further objects or the second of the further objects or the third of the further objects at at least one point in time, and advantageously at any particular point in time. This makes it possible to achieve, in particular, a high degree of clarity and / or a low susceptibility to errors.

[0033] The energy supply unit could, for example, have a number of at least twelve, in particular at least fifteen, advantageously at least twenty, and particularly advantageously at least twenty-four heating frequency units. Preferably, the energy supply unit has a total number of a maximum of twelve, in particular a maximum of ten, advantageously a maximum of eight, particularly advantageously a maximum of seven, and preferably a maximum of six heating frequency units. In particular, the energy supply unit could have a number of a maximum of six, in particular a maximum of five, advantageously a maximum of four, and preferably a maximum of three heating frequency units per mains voltage phase. This makes it possible, in particular, to achieve low costs.

[0034] For example, a number of heating frequency units of the energy supply unit could be greater than a number of energy supply outputs. In particular, at least two heating frequency units of the energy supply unit could be electrically connected to exactly one of the energy supply outputs, whereby the energy supply output could be operated with greater heating power and / or in a boost mode. Preferably, a number of heating frequency units of the energy supply unit is at most as large as a number of energy supply outputs. For example, a number of heating frequency units of the energy supply unit could be smaller than a number of energy supply outputs. In particular, at least one of the heating frequency units could be selectively connectable to at least two of the energy supply outputs.Particularly advantageously, the number of heating frequency units of the power supply unit is equal to the number of power supply outputs, which in particular enables optimal heating. In particular, each of the heating frequency units could be electrically connected to precisely one of the power supply outputs. This allows, in particular, a low number of components and / or low costs to be achieved.

[0035] It is further proposed that at least one of the, in particular at least a majority of the and advantageously each of the assignment inputs can be electrically conductively connected in the operating state to at least two of the, in particular to at least a majority of the and advantageously to each of the assignment outputs. In particular, the assignment unit, in particular depending on control by the control unit, electrically conductively connects at least one of the assignment inputs to at least two of the assignment outputs in at least one of the operating state. This makes it possible, in particular, to flexible assignment of the assignment outputs to the assignment inputs, whereby in particular a multitude of possible combinations and / or a high level of flexibility can be achieved.

[0036] It is also proposed that at least a first assignment input of the assignment inputs, in the operating state, is in particular exclusively electrically connectable and in particular electrically connected to at least one first assignment output of the assignment outputs. In particular, in particular additionally, at least a second assignment input of the assignment inputs, in the operating state, could in particular exclusively electrically connectable and in particular electrically connected to at least one second assignment output of the assignment outputs. At least a third of the assignment inputs, in particular in the operating state, could in particular exclusively electrically connectable and in particular electrically connected to at least one third assignment output of the assignment outputs.In particular, the allocation unit, in particular depending on control by the control unit, electrically connects the first and / or second and / or third allocation input, in particular, to the corresponding, in particular first and / or second and / or third, allocation outputs in an electrically conductive manner, at least in the operating state. This enables, in particular, a clear and / or fixed allocation of the allocation inputs to the allocation outputs, thereby achieving, in particular, a simple and / or uncomplicated and / or reliable design with, in particular, a low susceptibility to errors.

[0037] It is further proposed that the cooktop device have at least one control unit which, in the operating state, electrically connects at least one of the power supply outputs to at least one heating unit that heats a heating zone, depending on a heating zone configuration and / or a cooking utensil configuration. A "heating zone configuration" is to be understood, in particular, as a property that characterizes at least one property of at least one heating zone in at least one operating state. The heating zone configuration could, for example, be an arrangement of heating zones in the variable cooking surface area, in particular absolutely and / or relative to at least one boundary edge of the variable cooking surface area and / or relative to at least one cooktop edge and / or relative to one another.Alternatively or additionally, the heating zone configuration could in particular be a property of a heating zone itself, such as a size and / or a shape of the heating zone. The heating zone configuration could, for example, be a particular chronological sequence in which heating zones are and / or were formed. Alternatively or additionally, the heating zone configuration could in particular be a spatial proximity of at least two heating zones to one another. The heating zone configuration could alternatively or additionally, for example, be a coupling, in particular absolute and / or relative to one another, of heating units which could form, in particular, adjacently arranged heating zones in at least one operating state and / or a sequence of a coupling of heating units which could in particular form, in particular, adjacently arranged heating zones in at least one operating state.A "cooking utensil configuration" should be understood, in particular, as a property that characterizes cooking utensils located on the cooking surface, in particular for the purpose of heating by the cooking surface. The cooking utensil configuration could, for example, be an arrangement of cooking utensils in the variable cooking surface area, in particular absolute and / or relative to at least one boundary edge of the variable cooking surface area and / or relative to at least one cooking surface edge and / or relative to one another. Alternatively or additionally, the cooking utensil configuration could, in particular, be a property of a cooking utensil itself, such as a size and / or a shape and / or a material of the cooking utensil. The cooking utensil configuration could, for example, be a particular chronological order in which cooking utensils are and / or were arranged in the variable cooking surface area.Alternatively or additionally, the cooking utensil configuration could in particular be a spatial proximity of at least two cooking utensils to one another. Alternatively or additionally, the cooking utensil configuration could, for example, be a coupling, in particular absolutely and / or relative to one another, of heating units which, in at least one operating state, heat, in particular, adjacently arranged cooking utensils and / or a sequence of coupling of heating units which, in at least one operating state, heat, in particular, adjacently arranged cooking utensils. In particular, the heating zone configuration could correspond to a cooking utensil configuration. Alternatively, the heating zone configuration could, for example, have at least one heating zone which could be provided for heating at least two cooking utensils.This allows for a particularly flexible response to a given heating zone configuration and / or cooking utensil configuration, which in particular enables a high level of user comfort.

[0038] For example, in at least one operating state, the control unit could electrically connect precisely one of the configuration outputs to at least two adjacent heating units that heat a common heating zone. Preferably, in this operating state, the control unit electrically connects at least two, and in particular at least three, of the power supply outputs to at least two, and in particular at least three, adjacent heating units that heat a common heating zone. This allows even large heating zones and / or cooking utensils to be heated optimally and / or with sufficient heat output, thereby enabling a short cooking time and / or optimal cooking results to be achieved.

[0039] In particular, in at least one operating state, in the case of a heating zone configuration, which in particular could have exactly one, particularly very large, heating zone and be provided for heating exactly one, particularly very large, cooking utensil, the control unit could electrically connect the heating units heating the heating zone to at least two, and advantageously to at least three, power supply outputs. A very large cooking utensil could, for example, be arranged at least partially above at least one first heating unit and at least one second heating unit and in particular cover a proportion of at least 50%, in particular of at least 60%, and advantageously of at least 70%, of the heating units defining at least one first cooking surface sub-area of the variable cooking surface area.In particular, in the case of a heating zone configuration which in particular has at least two heating zones of different sizes and could be provided for heating at least two cooking utensils of different sizes, the control unit could electrically connect a larger heating unit heating the heating zones to a larger number of energy supply outputs than a smaller heating unit heating the heating zones.

[0040] In at least one operating state, the control unit could, for example, electrically connect at least two of the configuration outputs to a single heating unit, in particular, and operate the heating unit in the operating state, in particular in a boost mode and / or with increased heating power. Preferably, in the operating state, the control unit prevents an electrically conductive connection between at least two of the energy supply outputs and, in particular, precisely one single heating unit. In at least one operating state, the control unit assigns, in particular, at most one of the configuration outputs and / or at most one of the heating frequency units of the energy supply unit to at least one single heating unit at the same time.In at least one operating state, the control unit could assign at least two different configuration outputs and / or at least two different heating frequency units to at least one, in particular single, heating unit in at least two, in particular directly consecutive, time intervals, which could in particular be part of a single period. This can, in particular, prevent overloading of the heating units, thereby achieving a long-lasting design.

[0041] A particularly high degree of flexibility can be achieved in particular by a hob, in particular by an induction hob, with at least one hob device according to the invention.

[0042] A flexible design and / or a flexible assignability of the third configuration input to the configuration outputs can be achieved in particular by a method for operating a hob device with at least three heating units, with at least one energy supply unit which has at least three energy supply outputs and which supplies at least one of the heating units with energy in at least one operating state, with at least one configuration unit which has at least three configuration inputs, each of which is electrically connected to one of the energy supply outputs, and at least three configuration outputs, wherein a first configuration input is electrically connected to a first configuration output and a second configuration input is electrically connected to a second configuration output, and with at least one assignment unit which has at least three assignment inputs,which are each electrically connected to one of the configuration outputs, and at least three assignment outputs, each electrically connectable to one of the heating units, and by means of which, in the operating state, the assignment outputs are electrically connectable to the assignment inputs, wherein a third configuration input is optionally electrically connected to at least one of the configuration outputs in the operating state.

[0043] The hob device is not intended to be limited to the application and embodiment described above. In particular, the hob device can be used for a

[0044] Fulfilling a function described herein may have a number of individual elements, components, and units that differs from the number stated herein. Further advantages will become apparent from the following description of the drawings. The drawings illustrate exemplary embodiments of the invention. The drawings, the description, and the claims contain numerous features in combination.

[0045] They show: Fig. 1 shows a hob with a hob device in a schematic plan view, Fig. 2 shows a section of the hob device in a schematic circuit diagram, Fig. 3 shows the hob in an operating state with a first heating zone configuration in a schematic representation, Fig. 4 shows the hob in an operating state with a second heating zone configuration in a schematic representation, Fig. 5 shows the hob in an operating state with a third heating zone configuration in a schematic representation, Fig. 6 shows a section of an alternative hob device of an alternative hob in a schematic circuit diagram and Fig. 7 shows a section of an alternative hob device of an alternative hob in a schematic circuit diagram.

[0046] Fig. 1 shows a hob 40a configured as an induction hob. The hob 40a includes a hob device 10a configured as an induction hob device.

[0047] The hob device 10a has a support plate 42a. In the present exemplary embodiment, the support plate 42a is designed as a hob plate. In an assembled state, the support plate 42a forms part of a hob outer housing, specifically a hob outer housing, in particular of the hob 40a. The support plate 42a is provided for placing cooking utensils 60a thereon (cf. Fig. 3 bis 5 ).

[0048] The hob device 10a has a plurality of heating units 12a for heating cooking utensils 60a. In the figures, only one of the multiple heating units is provided with a reference symbol. In the present exemplary embodiment, the hob device 10a has fifty-six heating units 12a. The heating units 12a are arranged in an installed position below the support plate 42a. The heating units 12a are intended to heat cooking utensils 60a placed on the support plate 42a above the heating units 12a. In the present exemplary embodiment, the heating units 12a are designed as induction heating units.

[0049] The cooktop device 10a has a user interface 44a for inputting and / or selecting operating parameters, for example, a heating power and / or a heating power density and / or a heating zone. The user interface 44a is provided for outputting a value of an operating parameter to an operator.

[0050] The cooktop device 10a has a control unit 38a. The control unit 38a is designed to execute actions and / or change settings depending on operating parameters entered via the user interface 44a. The control unit 38a regulates a power supply to the heating units 12a in a heating operating state.

[0051] The heating units 12a define a variable cooking surface area 14a. The cooking surface area 14a has a first cooking surface sub-area 16a and a second cooking surface sub-area 18a. The first cooking surface sub-area 16a and the second cooking surface sub-area 18a are arranged adjacent to one another and, in particular, partially adjoin one another. In the present exemplary embodiment, the first cooking surface sub-area 16a and the second cooking surface sub-area 18a are arranged adjacent to one another in a transverse direction 46a in an operating state.

[0052] First heating units 12a1 of the heating units 12a define the first cooking surface sub-area 16a. A number of first heating units 12a1 is essentially 50% of a total number of heating units 12a. The first heating units 12a1 of the heating units 12a defining the first cooking surface sub-area 16a are connected to a first mains voltage phase 48a in an operating state.

[0053] Second heating units 12a2 of the heating units 12a define the second cooking surface sub-area 18a. The number of second heating units 12a2 is essentially 50% of a total number of heating units 12a. The second heating units 12a2 of the heating units 12a defining the second cooking surface sub-area 18a are connected, in an operating state, to a second mains voltage phase 50a different from the first mains voltage phase 48a.

[0054] The hob device 10a has a power supply unit 20a (cf. Fig. 2 ). In an operating state, the power supply unit 20a supplies activated heating units 12a of the heating units 12a with power. The power supply unit 20a is provided to supply the heating units 12a with power.

[0055] In the present embodiment, the power supply unit 20a has three heating frequency units 36a per mains voltage phase 48a, 50a. In total, the power supply unit 20a has six heating frequency units 36a in the present embodiment. The power supply unit 20a has a total of six heating frequency units 36a.

[0056] In the present embodiment, the power supply unit 20a has three power supply outputs 22a per mains voltage phase 48a, 50a. In total, the power supply unit 20a has six power supply outputs 22a in the present embodiment. The power supply unit 20a has a total of six power supply outputs 22a.

[0057] In the following, only one of the mains voltage phases 48a, 50a is described. A description of another of the mains voltage phases 48a, 50a is analogous, which is why reference can be made to the description given for one of the mains voltage phases 48a, 50a.

[0058] In the present embodiment, the number of heating frequency units 36a of the power supply unit 20a is equal to the number of power supply outputs 22a. A first heating frequency unit 36a1 of the heating frequency units 36a is electrically connected to a first power supply output 22a1 of the power supply outputs 22a. A second heating frequency unit 36a2 of the heating frequency units 36a is electrically connected to a second power supply output 22a2 of the power supply outputs 22a. A third heating frequency unit 36a3 of the heating frequency units 36a is electrically connected to a third power supply output 22a3 of the power supply outputs 22a.

[0059] The cooktop device 10a has a configuration unit 24a. The configuration unit 24a has three configuration inputs 26a. The configuration inputs 26a are each electrically connected to one of the power supply outputs 22a. A first configuration input 26a1 of the configuration inputs 26a is electrically connected to the first power supply output 22a1. A second configuration input 26a2 of the configuration inputs 26a is electrically connected to the second power supply output 22a2. A third configuration input 26a3 of the configuration inputs 26a is electrically connected to the third power supply output 22a3.

[0060] The configuration unit 24a has three configuration outputs 28a. The configuration outputs 28a can each be electrically connected to at least one of the configuration inputs 26a. The first configuration input 26a1 is electrically connected to a first configuration output 28a1 of the configuration outputs 28a. The second configuration input 26a2 is electrically connected to a second configuration output 28a2 of the configuration outputs 28a. The third configuration input 26a3 is electrically connected to a third configuration output 28a3 of the configuration outputs 28a.

[0061] The third configuration input 26a3 is, in particular in addition to the electrical connection to the third configuration output 28a3, electrically conductively connectable to the first configuration output 28a1 in an operating state. In an operating state, the third configuration input 26a3 is, in particular in addition to the electrical connection to the third configuration output 28a3, electrically conductively connectable to the second configuration output 28a2. In an operating state, the third configuration input 26a3 is, in particular, in addition to the electrical connection to the third configuration output 28a3, electrically conductively connectable to three configuration outputs 28a simultaneously.

[0062] In an operating state, the first configuration input 26a1 is electrically connectable to the third configuration output 28a3, in particular in addition to the electrical connection to the first configuration output 28a1. In an operating state, the first configuration input 26a1 is electrically connectable to the third configuration output 28a3 and to the second configuration output 28a2, in particular in addition to the electrical connection to the first configuration output 28a1.

[0063] In the present embodiment, the third configuration input 26a3 can be selectively electrically connected to at least one of the configuration outputs 28a in an operating state.

[0064] The configuration unit 24a has a configuration switching unit 52a. In an operating state, the configuration switching unit 52a selectively connects the third configuration input 26a3 to one of the configuration outputs 28a. In the present embodiment, the configuration switching unit 24a has two configuration switching elements 54a.

[0065] A first configuration switching element 54a1 branches off from an electrically conductive connection between the first configuration input 26a1 and the first configuration output 28a1. The first configuration switching element 54a1 branches off from an electrically conductive connection between the third configuration input 26a3 and the third configuration output 28a3.

[0066] A second configuration switching element 54a2 branches off from an electrically conductive connection between the second configuration input 26a2 and the second configuration output 28a2. The second configuration switching element 54a2 branches off from an electrically conductive connection between the third configuration input 26a3 and the third configuration output 28a3.

[0067] The hob device 10a has an allocation unit 30a. The allocation unit 30a has three allocation inputs 32a. Each of the allocation inputs 32a is electrically connected to one of the configuration outputs 28a. The allocation inputs 32a are each electrically connected to one of the configuration outputs 28a. A first allocation input 32a1 of the allocation inputs 32a is electrically connected to the first configuration output 28a1. A second allocation input 32a2 of the allocation inputs 32a is electrically connected to the second configuration output 28a2. A third allocation input 32a3 of the allocation inputs 32a is electrically connected to the third configuration output 28a3.

[0068] The allocation unit 30a has a plurality of allocation outputs 34a. The number of allocation outputs 34a and the number of heating units 12a are essentially and in particular completely identical. The allocation unit 30a has n allocation outputs 34a. In the present exemplary embodiment, the allocation unit 30a has fifty-six allocation outputs 34a. The allocation outputs 34a can each be electrically connected to one of the heating units 12a. In the present exemplary embodiment, the allocation outputs 34a are each electrically connected to one of the heating units 12a.

[0069] Alternatively, the hob device 10a could have at least one activation switching unit, which could be provided, in particular, for activating and / or deactivating at least one of the heating units 12a, in particular at least a majority of the heating units 12a, and advantageously each of the heating units 12a. In particular, at least one activation switching element could be arranged between one of the assignment outputs 34a and one of the heating units 12a and, in particular depending on a control by the control unit 38a, establish and / or break an electrically conductive connection between the assignment output 34a and the heating unit 12a.

[0070] In an operating state, the allocation outputs 34a can be electrically connected to the allocation inputs 32a by means of the allocation unit 30a. The allocation unit 30a has an allocation switching unit 56a. By means of the allocation switching unit 56a, an electrically conductive connection between the allocation outputs 34a and the allocation inputs 32a can be established and / or severed. The allocation switching unit 56a has a plurality of allocation switching elements 58a, of which Fig. 2 in particular only one is shown.

[0071] In an operating state, each of the assignment inputs 32a can be selectively electrically connected to each of the assignment outputs 34a, in particular by means of the assignment switching unit 56a. For example, a first assignment input 32a1 of the assignment inputs 32a can be selectively electrically connected to each of the assignment outputs 34a in an operating state. A second assignment input 32a2 of the assignment inputs 32a can be selectively electrically connected to each of the assignment outputs 34a in an operating state. In an operating state, a third assignment input 32a3 of the assignment inputs 32a can be selectively electrically connected to each of the assignment outputs 34a.

[0072] In an operating state, the control unit 38a connects, depending on a heating zone configuration, at least one of the energy supply outputs 22a to at least one heating unit 12a, which heats a heating zone, in an electrically conductive manner (cf. Fig. 3 bis 5 ).

[0073] In the case of a heating zone configuration in which three, in particular small, cooking utensils 60a are arranged in the first cooking surface partial area 16a, the control unit 38a forms a heating zone from the heating units 12a for each cooking utensil 60a placed thereon in an operating state (cf. Fig. 3 ). In an operating state in the case of the heating zone configuration in which three, in particular small, cooking utensils 60a are arranged in the first cooking surface sub-area 16a, the control unit 38a jointly assigns one of the energy supply outputs 22a to the heating units 12a, which form a heating zone.

[0074] In the case of a heating zone configuration in which a particularly small cooking utensil 60a and a particularly large cooking utensil 60a are arranged in the first cooking surface partial area 16a, the control unit 38a forms a heating zone from the heating units 12a for each cooking utensil 60a placed thereon in an operating state (cf. Fig. 5 ). In an operating state, in the case of the heating zone configuration in which a particularly small cooking utensil 60a and a particularly large cooking utensil 60a are arranged in the first cooking surface sub-area 16a, the control unit 38a jointly assigns one of the energy supply outputs 22a to the heating units 12a, which form a heating zone heating the small cooking utensil 60a, and jointly assigns two of the energy supply outputs 22a to the heating units 12a, which form a heating zone heating the large cooking utensil 60a. In an operating state, the control unit 38a assigns two of the energy supply outputs 22a to a particularly single heating zone. In an operating state, the control unit 38a electrically connects two of the energy supply outputs 22a to at least two adjacent heating units 12a, which heat a common heating zone.

[0075] In the case of a heating zone configuration in which a particularly very large cooking utensil 60a is arranged in the first cooking surface partial area 16a, the control unit 38a forms a heating zone from the heating units 12a for the cooking utensil 60a placed thereon in an operating state (cf. Fig. 4 ). In an operating state, in the case of the heating zone configuration in which a particularly very large cooking utensil 60a is arranged in the first cooking surface sub-area 16a, the control unit 38a jointly assigns three of the energy supply outputs 22a to the heating units 12a, which form a heating zone heating the very large cooking utensil 60a, and thus in particular all of the energy supply outputs 22a available for the heating units 12a defining the first cooking surface sub-area 16a. In an operating state, the control unit 36a assigns three of the energy supply outputs 22a to a particularly single heating zone. In an operating state, the control unit 38a electrically connects three of the energy supply outputs 22a to at least two adjacent heating units 12a, which heat a common heating zone.

[0076] In an operating state, the control unit 38a, in particular by appropriately controlling the configuration unit 24a and / or the allocation unit 30a and / or the activation switching unit, avoids at any time an assignment of two energy supply outputs 22a to a single heating unit 12a. In an operating state, the control unit 38a assigns a maximum of one of the energy supply outputs 22a to each heating unit 12a. In an operating state, the control unit 38a, in particular by appropriately controlling the configuration unit 24a and / or the allocation unit 30a and / or the activation switching unit, prevents an electrically conductive connection between at least two of the energy supply outputs 22a and a heating unit 12a.

[0077] In a method for operating the hob device 10a, the third configuration input 26a3 is optionally electrically connected to at least one of the configuration outputs 28a in the operating state.

[0078] In Fig. 6 and 7 Two further embodiments of the invention are shown. The following descriptions are essentially limited to the differences between the embodiments, whereby with regard to the same components, features and functions, reference is made to the description of the embodiment of the Fig. 1 bis 5 To distinguish the embodiments, the letter a in the reference numerals of the embodiment in the Fig. 1 bis 5 by the letters b and c in the reference numerals of the embodiment of the Fig. 6 and 7With regard to components with the same designation, in particular with regard to components with the same reference numerals, reference can generally also be made to the drawings and / or the description of the embodiment of the Fig. 1 bis 5 be referred to.

[0079] Fig. 6 shows a section of an alternative hob device 10b of an alternative hob 40b in a schematic circuit diagram. A configuration unit 24b of the hob device 10b has a configuration switching unit 52b. In an operating state, the configuration switching unit 52b selectively connects a third configuration input 26b3 of the configuration unit 24b to one of a total of three configuration outputs 28b of the configuration unit 24b. In the present exemplary embodiment, the configuration switching unit 52b has two configuration switching elements 54b.

[0080] In an operating state, a first configuration switching element 54b1 of the configuration switching elements 54b electrically connects the third configuration input 26b3 either to a first configuration output 28b1 of the configuration outputs 28b or to a second configuration switching element 54b2 of the configuration switching elements 54b.

[0081] In an operating state, in particular in a case in which the first configuration switching element 54b1 electrically connects the third configuration input 26b3 to the second configuration switching element 54b2, the second configuration switching element 54b2 electrically connects the third configuration input 26b3 either to a third configuration output 28b3 of the configuration outputs 28b or to a second configuration output 28b2 of the configuration outputs 28b.

[0082] In an operating state, the first configuration input 26b1 is electrically conductively connected exclusively to the first configuration output 28b1. In an operating state, the first configuration input 26b1 is electrically conductively connected, in particular permanently, to the first configuration output 28b1.

[0083] In an operating state, the second configuration input 26b2 is electrically conductively connected exclusively to the second configuration output 28b2. In an operating state, the second configuration input 26b2 is electrically conductively connected, in particular permanently, to the second configuration output 28b2.

[0084] In an operating state, the third configuration input 26b3 is electrically connectable exclusively to one of the configuration outputs 28b. In an operating state, the third configuration input 26b3 is electrically connectable exclusively to either the first configuration output 28b1, the second configuration output 28b2, or the third configuration output 28b3.

[0085] Fig. 7 shows a section of an alternative hob device 10c of an alternative hob 40c in a schematic circuit diagram. A configuration unit 24c of the hob device 10c is identical to that of Fig. 6 described configuration unit 24b. Alternatively, the configuration unit 24c could, for example, be identical to the Fig. 2 described configuration unit 24a.

[0086] In the present embodiment, the hob device 10c has three heating units 12c. The hob device 10c has an allocation unit 30c. The allocation unit 30c has three allocation inputs 32c. The allocation unit 30c has three allocation outputs 34c.

[0087] In an operating state, a first assignment input 32c1 of the assignment inputs 32c is electrically conductively connected, in particular exclusively, to a first assignment output 34c1 of the assignment outputs 34c. In the present exemplary embodiment, the first assignment input 32c1 is electrically conductively connected, in particular permanently and advantageously exclusively, to the first assignment output 34c1.

[0088] In an operating state, a second assignment input 32c2 of the assignment inputs 32c is electrically conductively connected, in particular exclusively, to a second assignment output 34c2 of the assignment outputs 34c. In the present exemplary embodiment, the second assignment input 32c2 is electrically conductively connected, in particular permanently and advantageously exclusively, to the second assignment output 34c2.

[0089] In an operating state, a third assignment input 32c3 of the assignment inputs 32c is electrically conductively connected, in particular exclusively, to a third assignment output 34c3 of the assignment outputs 34c. In the present exemplary embodiment, the third assignment input 32c3 is electrically conductively connected, in particular permanently and advantageously exclusively, to the third assignment output 34c3. Reference symbol

[0090] 10Cooktop device 12Heating unit 14Variable cooking surface area 16First cooking surface sub-area 18Second cooking surface sub-area 20Power supply unit 22Power supply output 24Configuration unit 26Configuration input 28Configuration output 30Assignment unit 32Assignment input 34Assignment output 36Heating frequency unit 38Control unit 40Cooktop 42Standing plate 44User interface 46Cross direction 48First mains voltage phase 50Second mains voltage phase 52Configuration switching unit 54Configuration switching element 56Assignment switching unit 58Assignment switching element 60Cookware

Claims

1. Hob apparatus, in particular induction hob apparatus, with at least three heating units (12a-c), with at least one power supply unit (20a-c) which has at least three power supply outputs (22a-c) and which supplies power to at least one of the heating units (12a-c) in at least one operating state, with at least one configuration unit (24a-c) which has at least three configuration inputs (26a-c), each of which are connected in an electrically conductive manner to one of the power supply outputs (22a-c), specifically independently of an operating state, and has at least three configuration outputs (28a-c), wherein a first configuration input (26a1-c1) is connected in an electrically conductive manner to a first configuration output (28a1-c1) and a second configuration input (26a2-c2) is connected in an electrically conductive manner to a second configuration output (28a2-c2), specifically independently of an operating state, and with at least one assignment unit (30a-c) which has at least three assignment inputs (32a-c), each of which are connected in an electrically conductive manner to one of the configuration outputs (28a-c), specifically independently of an operating state, and has at least three assignment outputs (34a-c), each of which are connected in an electrically conductive manner to one of the heating units (12a-c), specifically in at least one operating state depending on a switch position, and by means of which switch position, in the operating state, the assignment outputs (34a-c) are connected in an electrically conductive manner to the assignment inputs (32a-c), specifically in at least one operating state depending on a switch position, characterised in that, in the operating state, a third configuration input (26a3-c3) can be selectively connected in an electrically conductive manner to at least one of the configuration outputs (28a-c), specifically in at least one operating state depending on a switch position.

2. Hob apparatus according to claim 1, characterised in that, in the operating state, the first configuration input (26a1) can be connected in an electrically conductive manner to the third configuration output (26a1), specifically in at least one operating state depending on a switch position.

3. Hob apparatus according to claim 1, characterised in that, in the operating state, the first configuration input (26b1-c1) can be exclusively connected in an electrically conductive manner to the first configuration output (28b1-c1), specifically in at least one operating state depending on a switch position.

4. Hob apparatus according to one of the preceding claims, characterised in that, in the operating state, the third configuration input (26a3) can be simultaneously connected in an electrically conductive manner to at least two configuration outputs (28a), specifically in at least one operating state depending on a switch position.

5. Hob apparatus according to one of claims 1 to 3, characterised in that, in the operating state, the third configuration input (26b3-c3) can be exclusively simultaneously connected in an electrically conductive manner to one of the configuration outputs (28b3-c3), specifically in at least one operating state depending on a switch position.

6. Hob apparatus according to one of the preceding claims, characterised in that the power supply unit (20a-c) has a total number of at most twelve heating frequency units (36a-c).

7. Hob apparatus according to one of the preceding claims, characterised in that a number of heating frequency units (36a-c) of the power supply unit (20a-c) is at most as great as the number of power supply units (22a-c).

8. Hob apparatus according to one of the preceding claims, characterised in that, in the operating state, at least one of the assignment inputs (32a-b) can be selectively connected in an electrically conductive manner to at least two of the assignment outputs (34a-b), specifically in at least one operating state depending on a switch position.

9. Hob apparatus according to one of the preceding claims, characterised in that at least a first assignment input (32c1) of the assignment inputs (32c) can be connected in an electrically conductive manner to at least one first assignment output (34c1) in the operating state, specifically in at least one operating state depending on a switch position.

10. Hob apparatus according to one of the preceding claims, characterised by at least one control unit (38a-c), which, in the operating state, connects at least one of the power supply outputs (22a-c) in an electrically conductive manner to at least one heating unit (12a-c) which heats a heating zone as a function of a heating zone configuration.

11. Hob apparatus according to claim 10, characterised in that, in the operating state, the control unit (38a-c) connects at least two of the power supply outputs (22a-c) in an electrically conductive manner to at least two heating units (12a-c) which are adjacent to one another and heat a shared heating zone.

12. Hob apparatus according to claim 10 or 11, characterised in that, in the operating state, the control unit (38a-c) prevents an electrically conductive connection between at least two of the power supply outputs (22a-c) and a heating unit (12a-c).

13. Hob, in particular induction hob, with at least one hob apparatus (10a-c) according to one of the preceding claims.

14. Method for operating a hob apparatus (10a-c), in particular according to one of claims 1 to 12, with at least three heating units (12a-c), with at least one power supply unit (20a-c) which has at least three power supply outputs (22a-c) and which supplies power to at least one of the heating units (12a-c) in at least one operating state, with at least one configuration unit (24a-c) which has at least three configuration inputs (26a-c), each of which are connected in an electrically conductive manner to one of the power supply outputs (22a-c), specifically independently of an operating state, and has at least three configuration outputs (28a-c), wherein a first configuration input (26a1-c1) is connected in an electrically conductive manner to a first configuration output (28a1-c1) and a second configuration input (26a2-c2) is connected in an electrically conductive manner to a second configuration output (28a2-c2), specifically independently of an operating state, and with at least one assignment unit (30a-c) which has at least three assignment inputs (32a-c), each of which are connected in an electrically conductive manner to one of the configuration outputs (28a-c), specifically in at least one operating state depending on a switch position, and has at least three assignment outputs (34a-c), each of which are connected in an electrically conductive manner to one of the heating units (12a-c), specifically in at least one operating state depending on a switch position, and by means of which switch position, in the operating state, the assignment outputs (34a-c) are connected in an electrically conductive manner to the assignment inputs (32-c), specifically in at least one operating state depending on a switch position, characterised in that, in the operating state, a third configuration input (26a3-c3) is selectively connected in an electrically conductive manner to at least one of the configuration outputs (28a-c), specifically in at least one operating state depending on a switch position.