EP2833697B1 - Hotplate device - Google Patents

Hotplate device Download PDF

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Publication number
EP2833697B1
EP2833697B1 EP14177589.0A EP14177589A EP2833697B1 EP 2833697 B1 EP2833697 B1 EP 2833697B1 EP 14177589 A EP14177589 A EP 14177589A EP 2833697 B1 EP2833697 B1 EP 2833697B1
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EP
European Patent Office
Prior art keywords
heating
control unit
heating element
operating
power density
Prior art date
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Application number
EP14177589.0A
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German (de)
French (fr)
Other versions
EP2833697A1 (en
Inventor
Ignacio Garde Aranda
Estefania Gella Lopez
Oscar Gracia Campos
Javier Herrera Rodriguez
Alfonso Lorente Perez
Ramon Peinado Adiego
Demetrio Torrubia Marco
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
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Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2833697A1 publication Critical patent/EP2833697A1/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/06Control, e.g. of temperature, of power
    • H05B6/062Control, e.g. of temperature, of power for cooking plates or the like
    • H05B6/065Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/68Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/037Heaters with zones of different power density
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/03Heating plates made out of a matrix of heating elements that can define heating areas adapted to cookware randomly placed on the heating plate

Definitions

  • the invention relates to a hob device according to claim 1.
  • FR 2 984 463 A1 and DE 23 55 412 A1 disclose cooktop devices of the prior art.
  • the object of the invention is in particular to provide a generic device with improved properties in terms of a high level of comfort for an operator and / or high flexibility.
  • the object is achieved by the features of claim 1, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.
  • a hob device in particular an induction hob device, with at least two, in particular at least three, advantageously at least four, more preferably at least six, preferably at least eight heating elements proposed at least for heating of cooking dishes and with at least one control unit, which is provided in at least one operating mode the heating elements predefined, stored in the control unit Schuzzisêtn automatically assigned, and which is intended to change in the operating mode in response to an operator input by means of at least one control unit at least one of the predefined Schutulsêtn at least one heating element.
  • heating element is to be understood in particular to mean an element which is intended, at least in one operating mode, to transfer electrical energy to cooking utensils, preferably through at least one main body forming a cooking surface, and / or electrical energy into heat to convert in particular to heat at least one set up cooking utensils, preferably by at least one main body forming a cooking surface.
  • the heating element is provided to transmit in at least one operating mode in which the heating element is connected to a supply electronics, a power of at least 100 W, in particular at least 500 W, advantageously at least 1000 W, preferably at least 2000 W.
  • the heating element is designed as an induction heating element.
  • an “induction heating element” is to be understood, in particular, as a wound electrical conductor which is traversed by high-frequency alternating current in at least one operating mode.
  • the induction heating element is intended to convert electrical energy into a magnetic alternating field, which is intended to cause in a metallic, preferably at least partially ferromagnetic, cooking harness eddy currents and / or Ummagnetmaschines bine that are converted into heat.
  • the induction heating element is intended to cause heating of the cooking utensil.
  • the induction heating is intended to convert in the operating mode electrical energy into electromagnetic field energy, which is finally converted into heat in a suitable cooking utensils.
  • the hob device comprises at least one supply electronics at least for a supply of the heating elements.
  • the supply electronics comprises at least one heating frequency unit, in particular at least two, advantageously at least three, preferably at least four heating frequency units, for supplying at least one heating element.
  • a heating frequency unit of the supply electronics is provided to supply two, in particular juxtaposed heating elements.
  • a "heating frequency unit” should be understood in particular to mean an electrical unit which 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 not more than 100 kHz for a heating element.
  • the heating frequency unit is provided to provide a required by the heating element, maximum electrical power 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 in particular formed 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 in particular formed by at least one capacitor.
  • the hob device has at least one main body at least for setting up cooking utensils. In particular, the main body forms at least substantially a cooking surface.
  • control unit is to be understood as meaning, in particular, an electronic unit which is preferably at least partially integrated in a control and / or regulating unit of a hob and which is preferably provided to control and / or regulate at least the heating elements.
  • the control unit 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 arithmetic unit.
  • the hob device has at least one sensor unit, which is formed in particular by the heating elements themselves, which is intended to detect cooking utensils arranged, in particular by measuring at least one inductance and / or at least one capacitance.
  • the sensor unit is provided to recognize at least the shape, size and / or material of the cooking utensils.
  • the sensor unit is provided to detect cooking utensils set up on the basis of shape, size and / or material and to distinguish them from each other.
  • the control unit is provided to evaluate measured values of the sensor unit, to calculate at least one heating zone and to determine heating elements that form this heating zone.
  • the control unit is provided to associate a detected cooking utensil with a shape, size and / or position adapted heating zone.
  • the control unit is provided to enable at least one detection of a raised cooking utensil by the sensor unit by activating at least one of the heating elements, in particular at least a majority of, advantageously all heating elements.
  • control unit is provided to effect at least a regular detection of food set up, in particular by the sensor unit.
  • control unit is intended to effect at least a "regular" detection of erected cooking utensils, should be understood in particular that the control unit is intended to detect a set up Gargeschirr at intervals of less than 30 s, in particular of less than 10 s, advantageously less than 5 s, particularly advantageously less than 1 s, preferably less than 0.1 s.
  • control unit is intended to "effect" at least one regular detection of set up cooking utensils
  • control unit is intended to provide at least one regular detection of set up cooking utensils by activating at least one of, in particular at least a majority of, advantageously allow all heating elements.
  • control unit is intended to "allocate” a heating power density to a heating element, it should be understood, in particular, that the control unit is intended to be activated upon activation of the heating system Heating element to operate the heating element with the Schuzzis emphasize, which is associated with the heating element.
  • control unit is intended to "operate" at least one heating element
  • control unit is intended to control the supply electronics which supply the heating element.
  • control unit is intended to "automatically” allocate the heating element densities stored in the control unit in at least one operating mode
  • control unit is provided in the operating mode depending on the cooking utensils installed Heating elements predefined, stored in the control unit heating power densities automatically, in particular while avoiding an operator input by means of an operating unit to assign.
  • the control unit is provided to associate at least one of, in particular a majority of, advantageously each of the heating elements with a predefined heating power density.
  • a predefined heating power density associated with a first heating element differs from a predefined heating power density associated with a second heating element formed separately from the first.
  • a predefined, individual heating power density is stored in the storage unit of the control unit for at least one of, in particular a majority of, advantageously each of the heating elements.
  • the control unit in the operating mode, is provided to change at least one of the predefined heating power densities of at least one heating element outside a heating operation, in particular before the start of the heating operation and / or after the end of the heating operation, as a function of an operating input by means of at least one operating unit.
  • the control unit is preferably provided to change at least one of the predefined heating power densities of at least one heating element in operation, in particular during a heating operation, as a function of an operating input by means of at least one operating unit.
  • the control unit is provided to change in the operating mode as a function of an operating input by means of at least one control unit at least one of the predefined Schutulsêtn at least one heating element in operation, in particular heated during a heating process at least one set up Gargeschirr.
  • the hob device comprises at least one operating unit at least for an operating input of operating parameters. Under an "operator input" should in particular an actuation of the operating unit by a Operator understood.
  • the operating unit is provided for selecting and / or changing a heating zone.
  • the operating unit could be provided for setting a heating power and / or heating power density of a heating zone.
  • the operating unit is designed to select and / or change a cooking time and / or a cooking program.
  • the operating unit is provided for a change of an operating mode and / or operating state.
  • further embodiments of the operating unit and / or the operating parameters appearing appropriate to a person skilled in the art are conceivable.
  • provided is intended to be understood in particular specially programmed, designed and / or equipped.
  • the fact that an object is intended for a specific function should in particular mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.
  • a high level of comfort for an operator and / or high flexibility can be achieved by the configuration according to the invention.
  • an operator can conveniently and / or flexibly change predefined heating power densities according to his needs.
  • an operator can adapt predefined heating power densities to a current heating process, whereby a high operator satisfaction and / or an advantageous heat distribution and / or a quick heating process can be achieved.
  • control unit be provided to change a predefined heating power density assigned to a second heating element in the operating mode as a function of a change in a predefined heating power density of at least one first heating element.
  • control unit is provided, after changing a predefined heating power density of the first heating element, to maintain and / or invert an existing structure of the heating power densities assigned to the heating elements.
  • An "arrangement" of the heating power densities assigned to the heating elements should in particular be understood as meaning that the heating power densities assigned to the heating elements have rising and / or falling values as a function of a reference point.
  • the heater power densities associated with the heaters could be a function of a distance to an edge of a cooking surface Have basic body rising and / or falling values.
  • the heating power densities assigned to the heating elements advantageously have increasing and / or decreasing values as a function of a distance to an operator.
  • the control unit could be provided to allocate predefined heating power densities to the heating elements whose values are linearly and / or exponentially dependent on one another. It is also conceivable that the control unit is provided, after changing a predefined heating power density of at least one first heating element, to restructure the heating power densities assigned to the heating elements, in particular to perform a new structuring.
  • control unit could be provided, after changing a predefined heating power density of at least one first heating element, to change the heating power densities assigned to the heating elements by at least substantially the same amount and / or proportion.
  • a value of a first heating power density of the first heating element is greater than a value of a second heating power density of the second heating element closest to the first heating element and after changing the first heating power density of the first heating element
  • the control unit is provided for changed first heating power density of the first heating element is smaller than the value of the heating power density of the second heating element to the first heating element, the second Schuzzis Why and the second heating element to assign the first Schuticians emphasize.
  • the control unit is provided for changed first heating power density of the first heating element is greater than the value of the Schumans participat of the second heating element to the first heating element, the second Schumann elaborates emphasize and the second heating element to assign the first Schukkakukan's mind.
  • a value of a first heating power density of a first heating element located closest to an operator is greater than a value of a second heating power density of a second heating element maximally spaced from the first heating element in a row longitudinal direction, and provided the first heating power density of the first heating element is changed, if the value of the changed first heating power density of the first heating element is smaller than the value of the heating power density of the second heating element, the structure of the heating elements Invert associated heat power densities.
  • control unit be provided to output in the operating mode a, in particular exactly one heating power density of, in particular, exactly one heating element in operation by means of at least one operating unit.
  • control unit is provided to output at least one heating power density of at least one heating element in operation by means of at least one operating unit.
  • control unit could be provided, for example, to output two heating power densities of two heating elements in operation by means of at least one operating unit.
  • the operating unit comprises at least one output unit for outputting at least one piece of information to an operator.
  • control unit is provided by means of the operating unit at least to an optical output of the operating mode which the control unit has automatically selected.
  • control unit is provided for an acoustic output of the operating mode, which the control unit has automatically selected, by means of the operating unit.
  • control unit is provided in the operating mode to assign a heating element which is arranged in an area facing an operator, in particular in the installed state, a higher heating power density than a heating element which, in particular, is installed in an operator remote area is arranged.
  • the Control unit is provided, at least in an operating mode a heating element, which is arranged in a, in particular in the installed state facing an operator area, assigning a lower heating power density than a heating element, which is arranged in a, in particular in the installed state facing away from an operator area.
  • control unit is provided, at least in one operating mode, to associate with a heating element arranged in the area facing an operator a highest heating power density of all heating elements, in particular in a comparison with further heating elements, at least one cooking surface area.
  • control unit is provided, at least in one operating mode, to associate with a heating element arranged in the area facing away from an operator a lowest heating power density of all heating elements, in particular in a comparison with further heating elements, at least one cooking surface area.
  • control unit is provided to assign heating elements in dependence on a distance to the area facing an operator different Schutulisses participatn. This can be achieved in particular a high level of comfort for an operator.
  • an operator can prepare food in the region facing an operator.
  • an operator can place ready-cooked food for keeping warm in the area facing away from the operator, in order to be able to continue preparing cooking food comfortably, particularly in the area facing an operator.
  • control unit is provided to switch between the operating mode and at least one further operating mode in which the heating elements are operated independently of one another, depending on an operating input by means of at least one operating unit.
  • heating power densities in the further operating mode are freely selectable, in particular while avoiding influencing further heating power densities of further heating elements.
  • a first heating power density of a first heating element can be selected freely by an operating input by means of the operating unit.
  • a second heating power density of a second heating element can be freely selected by an operating input by means of the operating unit, in particular while avoiding influencing the first heating power density of the first heating element.
  • variable cooktop area is to be understood, in particular, as a cooktop area, which is intended to form at least one cooking zone adapted to at least one set of cooking utensils.
  • the variable cooktop area differs from a cooktop in which heating zones, in particular by markings on the cooktop, are fixed.
  • the variable cooktop area of at least two, in particular of at least three is advantageously formed by at least four heating elements.
  • the heating elements forming the variable cooking surface area are arranged in a single row.
  • a "row” is to be understood in particular as meaning a row and / or a column and / or a strip.
  • the heating elements along a row connecting the heating elements longitudinal direction which is in particular formed as a straight, arranged against each other, in particular strung.
  • the series longitudinal direction connects focal points of the heating elements.
  • the heating elements are arranged offset, wherein focal points of the heating elements to a straight line which is aligned at least substantially parallel to the row longitudinal direction and which connects the heating elements at least substantially centrally, have a distance which is smaller than 50% , In particular less than 40%, advantageously less than 30% of an amount of at least one extension, in particular a longitudinal extent and / or a transverse extent, at least one of the heating elements forming the row.
  • a "single" row of at least two heating elements should be understood to mean, in particular, a row in which the heating elements are arranged adjacent to a row longitudinal direction, in particular precisely, wherein the control unit is provided to at least one of at least one of the heating elements adjacently arranged in the row longitudinal direction to form a cooking appliance adjusted cooking zone.
  • at least one further heating element which is formed separately from the heating elements forming the row and is part of a further row formed separately from the row, is arranged at a distance from each of the heating elements forming the row.
  • the further heating element has a spacing, which is greater than 15%, in particular greater than 30%, advantageously greater than 40%, for each of the row-forming heating elements with respect to a row transverse direction which is aligned at least substantially perpendicular to the row longitudinal direction. preferably greater than 50%, particularly preferably greater than 75% of an amount of at least one extension, in particular a longitudinal extent and / or a transverse extent, at least one of the heating elements forming the row.
  • a straight line and / or plane is aligned "at least substantially perpendicularly" to a further straight line and / or plane formed by a straight line and / or plane
  • the straight line and / or Level with the further straight line and / or plane in a projection on at least one projection plane in which at least one of the lines and / or one of the planes is arranged an angle includes, preferably by less than 15 °, advantageously less than 10 ° and differs in particular by less than 5 ° from an angle of 90 °.
  • at least a part of the heating elements form a classic cooktop.
  • a part, in particular substantially 50%, of a cooking surface as a classic hob and a further part, in particular substantially 50%, of the cooking surface is designed as a variable cooking surface area.
  • a high degree of flexibility can be achieved.
  • Fig. 1 shows a cooktop 38 according to the invention, which is designed as an induction cooktop, with a cooktop device 10 according to the invention, which is designed as an induction cooktop device.
  • the hob device 10 has a base body 40 for setting up cooking utensils 28.
  • the main body 40 forms a cooking surface.
  • the hob apparatus 10 includes eight heating elements 12, 14, 16, 18, 20, 22, 24, 26 for heating up cooking utensils 28.
  • the heating elements 12, 14, 16, 18, 20, 22, 24, 26 are used as induction heating elements are formed, are arranged below the main body 40.
  • the heating elements 12, 14, 16, 18, 20, 22, 24, 26 are each provided on the base body 40 above the heating elements 12, 14, 16, 18, 20, 22, 24, 26 heated cooking utensils 28 to set up.
  • the heating elements 12, 14, 16, 18, 20, 22, 24, 26 are formed as elongated heating elements 12, 14, 16, 18, 20, 22, 24, 26.
  • Each heating element 12, 14, 16, 18, 20, 22, 24, 26 has a longitudinal extent 42 that is greater than a transverse extent 44 of the heating element 12, 14, 16, 18, 20, 22, 24, 26.
  • the hob device 10 comprises two variable cooktop areas 34, 36.
  • Each four of the heating elements 12, 14, 16, 18, 20, 22, 24, 26 form one of the variable cooktop areas 34, 36.
  • the two variable cooktop areas 34, 36 are arranged side by side. In this case, the two variable cooktop areas 34, 36 are arranged next to one another with respect to a direction aligned substantially parallel to the longitudinal extent 42 of the heating elements 12, 14, 16, 18, 20, 22, 24, 26.
  • a first of the variable cooktop areas 34 is arranged on a first side of the main body 40.
  • a second of the variable cooking surface areas 36 is arranged on a second side of the main body 40, which is opposite to the first side.
  • heating elements 12, 14, 16, 18, 20, 22, 24, 26 each, which form one of the variable cooktop areas 34, 36, are arranged in a single row.
  • the individual row forming heating elements 12, 14, 16, 18, 20, 22, 24, 26 are arranged adjacent in the longitudinal direction 46.
  • the row longitudinal direction 46 is aligned substantially perpendicular to the longitudinal extent 42 of the heating elements 12, 14, 16, 18, 20, 22, 24, 26.
  • the row longitudinal direction 46 extends from an area of the main body 40 facing an operator in the installed state in the direction of a region of the main body 40 facing away from the operator in the installed state.
  • the heating elements 12, 14, 16, 18, 20, 22 forming the single row 24, 26 have a spacing in the longitudinal direction 46, which is substantially smaller than the transverse extension 44 of the heating elements 12, 14, 16, 18, 20, 22, 24, 26 which is aligned substantially parallel to the longitudinal direction 46.
  • the first variable cooking surface area 34 is formed by a first heating element 12, a second heating element 14, a third heating element 16 and a fourth heating element 18.
  • the first heating element 12 is arranged in the region of the main body 40 facing an operator in the installed state.
  • the second heating element 14 follows in the longitudinal direction 46, then the third heating element 16 and then the fourth heating element 18 second variable cooktop area 36 is formed by a fifth heating element 20, a sixth heating element 22, a seventh heating element 24 and an eighth heating element 26.
  • the fifth heating element 20 is arranged in the region of the main body 40 facing an operator in the installed state.
  • the sixth heating element 22 follows in the longitudinal direction 46, followed by the seventh heating element 24 and then the eighth heating element 26.
  • the hob device 10 comprises a supply electronics for supplying the heating elements 12, 14, 16, 18, 20, 22, 24, 26.
  • the supply electronics comprises four heating frequency units, each for a supply of two juxtaposed heating elements 12, 14, 16, 18th , 20, 22, 24, 26 are provided.
  • the hob device 10 has in the installed state to an operator assigning area on a control unit 32 for an input of operating characteristics.
  • the operating unit is provided for selecting and / or changing a heating zone.
  • the operating unit could be provided for setting a heating power and / or heating power density of a heating zone.
  • the operating unit is designed to select and / or change a cooking time and / or a cooking program.
  • the operating unit is provided for a change of an operating mode and / or operating state.
  • further embodiments of the operating unit and / or the operating parameters appearing appropriate to a person skilled in the art are conceivable.
  • the hob device 10 has a control unit 30 for operating the heating elements 12, 14, 16, 18, 20, 22, 24, 26.
  • the control unit 30 is provided to execute actions and / or to change settings as a function of the operating parameters entered by means of the operating unit 32.
  • the cooktop device 10 comprises a sensor unit for a detection of the cooking utensil 28 set up.
  • the sensor unit is formed essentially in one piece with the heating elements 12, 14, 16, 18, 20, 22, 24, 26.
  • the control unit 30 is connected to the sensor unit.
  • the control unit 30 and the sensor unit are electrically connected.
  • the control unit 30 operates the heating elements 12, 14, 16, 18, 20, 22, 24, 26 in response to an operating input by means of the operating unit 32 in different operating modes.
  • the control unit 30 places the heating elements 12, 14, 16, 18, 20, 22, 24, 26 in an operating mode predefined, stored in the control unit 30 Kirbysêtn automatically.
  • the control unit 30 operates heating elements 12, 14, 16, 18, 20, 22, 24, 26 covered in the operating mode of installed cooking utensils 28 with the predefined heating power densities stored in the control unit 30.
  • each of the heating elements 12, 14, 16, 18, 20, 22, 24, 26 has its own individual heating power density, which differs from the heating power densities of the further heating elements 12, 14, 16, 18, 20, 22, 24, 26 , stored in the control unit 30.
  • the control unit 30 divides the predefined heating power densities stored in the control unit 30 as a function of a position of the heating elements 12, 14, 16, 18, 20, 22, 24, 26.
  • the control unit 30 assigns a heating element 12, 14, 16 in the operating mode , 18, 20, 22, 24, 26, which is arranged in the area facing the operator, to a higher Schuzzisêt than a heating element 12, 14, 16, 18, 20, 22, 24, 26, facing away from the operator in an operator Area is arranged.
  • the control unit 30 assigns a higher heating power density to the first heating element 12, which is arranged in the installed state to an operator facing area, than the fourth heating element 18, which is arranged in the installed state an operator facing away from the area.
  • the control unit 30 assigns the first heating element 12 a first heating power density that is greater than a second heating power density that is assigned to the second heating element 14.
  • the second heating power density associated with the second heating element 14 is greater than a third heating power density associated with the third heating element 16.
  • the third heating power density associated with the third heating element 16 is greater than a fourth heating power density associated with the fourth heating element 18.
  • a cooking utensil 28 is placed on the second heating element 14.
  • the control unit 30 automatically assigns the second heating power density stored in the control unit 30 to the second heating element 14 covered by the cooking utensil 28 that has been set up.
  • the control unit 30 operates the second heating element 14 covered by the cooking utensil 28 with the predefined second heating power density stored in the control unit 30.
  • the control unit 30 outputs the second heating power density of the second heating element 14 in operation by means of the operation unit 32.
  • the control unit 30 outputs, in the operation mode, a heating power density of a Operating heating element 14, 16, 18, 20, 22, 24, 26 by means of the control unit 32 from.
  • the control unit 30 changes one of the predefined heating power densities of one of the heating elements 12, 14, 16, 18, 20, 22, 24, 26 in the operating mode as a function of an operating input by means of the operating unit 32.
  • the control unit 30 modifies one of those stored in the control unit 30 predefined Schutulsêtn depending on an operator input by means of the control unit 32 outside a heating process.
  • the control unit 30 changes one of the predefined heating power densities stored in the control unit 30 as a function of an operating input by means of the operating unit 32 before the start of a heating operation and after the end of a heating operation.
  • control unit 30 changes one of the predefined heating power densities stored in the control unit 30 during a heating operation as a function of an operating input by means of the operating unit 32.
  • control unit 30 changes one of the predefined heating power densities of an operating heating element 12, 14, 16, 18, 20, 22, 24, 26 in the operating mode as a function of an operating input by means of the operating unit 32.
  • the control unit 30 After changing one of the predefined heating power densities stored in the control unit 30, the control unit 30 checks in the operating mode whether the structure of the predefined heating power densities is changed by the change of one of the predefined heating power densities stored in the control unit 30. In the event of a change in the structure of the predefined heating power densities, the control unit 30 changes a further heating element 12, 14, 16 in the operating mode as a function of a change in a predefined heating power density of a heating element 12, 14, 16, 18, 20, 22, 24, 26. 18, 20, 22, 24, 26 assigned, predefined Schutsch. None. After changing one of the predefined heating power densities stored in the control unit 30, the control unit 30 maintains the division of the heating power densities in the operating mode.
  • the first heating power density of the first heating element 12 is changed.
  • the control unit 30 checks whether the changed first heating power density of the first heating element 12 is greater than the second Heated power density of the second heating element 14. If the changed first heating power density of the first heating element 12 is greater than the second heating power density of the second heating element 14, the control unit 30 changes the first heating power density of the first heating element 12 according to the operating input by means of the operating unit 32 in the operating mode the control unit 30 in the operating mode, the Schutschsêtn the other heating elements 14, 16, 18, 20, 22, 24, 26 unchanged.
  • the control unit 30 changes the first heating power density of the first heating element 12 according to the operating input by means of the operating unit 32 in the operating mode Operating mode, the Schuiers Whyn the other heating elements 14, 16, 18, 20, 22, 24, 26 unchanged. If the changed first heating power density of the first heating element 12 is smaller than the second heating power density of the second heating element 14 and greater than the third heating power density of the third heating element 16, the control unit 30 assigns the second heating power density to the first heating element 12 and the second heating element 14 in the operating mode changed first Schuticians participat too.
  • the control unit 30 checks whether the changed second heating power density is greater than the first heating power density of the first heating element 12. Is the changed second heating power density of the second heating element 14 greater than the first heating power density In the operating mode, the control unit 30 assigns the changed second heating power density to the first heating element 12 and the first heating power density to the second heating element 14. If the changed second heating power density of the second heating element 14 is smaller than the third heating power density of the third heating element 16 and greater than the fourth heating power density of the fourth heating element 18, the control unit 30 assigns the modified second heating power density and the second heating element 14 to the third heating element 16 in the operating mode the third Schus emphasize too.
  • the control unit 30 changes the second heating power density of the second heating element 14 in the operating mode according to Operating input by means of the control unit 32 and leaves the Schuzzisêtn the other heating elements 14, 16, 18, 20, 22, 24, 26 unchanged. In an analogous manner, the control unit 30 moves after changing a further Wien tediouss emphasize, for example, the third or fourth Schuzzis emphasize.
  • the first heating power density of the first heating element 12 is changed, which is greater than the heating power densities of the further heating elements 14, 16, 18, which form the first variable cooking surface area 34 together with the first heating element 12.
  • the control unit 30 checks whether the changed first heating power density of the first heating element 12 is greater than the second heating power density of the second heating element 14.
  • the control unit 30 checks in FIG If the changed first heating power density of the first heating element 12 is smaller than the third heating power density of the third heating element 16, the control unit 30 checks in the operating mode whether the changed If the changed first heating power density of the first heating element 12 is smaller than the fourth heating power density of the fourth heating element 18, the control unit inverts unit 30 in the operating mode, the outline of the Bank elaborates emphasizen. In this case, the control unit 30 assigns the changed first heating power density to the first heating element 12 in the operating mode. Further, in the operation mode, the control unit 30 assigns the third heater power density to the second heater 14 greater than the changed first heater power density.
  • the control unit 30 assigns the second heater power density to the third heater 16 greater than the third heater power density. Further, in the operation mode, the control unit 30 assigns to the fourth heating element 18 the original first heating power density which is larger than the second heating power density. If the changed first heating power density of the first heating element 12 is less than the fourth heating power density of the fourth heating element 18, the control unit 30 in the operating mode orders a heating element 12, 14, 16, 18, 20, 22, 24, 26 in the one operator facing region, a lower Schutulsêt than a heating element 12, 14, 16, 18, 20, 22, 24, 26, which is arranged in the area facing away from an operator.
  • the control unit 30 changes in response to an operating input by means of the operating unit 32 between the operating mode and a further operating mode in which the heating elements 14, 16, 18, 20, 22, 24, 26 are operated independently.
  • the control unit 30 operates the heating elements 14, 16, 18, 20, 22, 24, 26 in dependence on an operating input by means of the operating unit 32 with individual heating power densities.
  • the control unit 30 changes the changed heating power density of the heating element 14, 16, 18, 20, 22, 24, 26 independently of further individual heating power densities of others Heating elements 14, 16, 18, 20, 22, 24, 26.
  • the control unit 30 leaves the other individual heating power densities of the other heating elements 14, 16, 18, 20, 22, 24, 26 unchanged in the further operating mode.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Stoves And Ranges (AREA)
  • Control Of Resistance Heating (AREA)

Description

Die Erfindung betrifft eine Kochfeldvorrichtung nach dem Patentanspruch 1. Die Dokumenten EP 1 610 590 A1 , FR 2 984 463 A1 und DE 23 55 412 A1 offenbaren Kochfeldvorrichtungen nach dem Stand der Technik. Die Aufgabe der Erfindung besteht insbesondere darin, eine gattungsgemäße Vorrichtung mit verbesserten Eigenschaften hinsichtlich eines hohen Komforts für einen Bediener und/oder einer hohen Flexibilität bereitzustellen. Die Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst, während vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung den Unteransprüchen entnommen werden können. Es wird eine Kochfeldvorrichtung, insbesondere eine Induktionskochfeldvorrichtung, mit zumindest zwei, insbesondere zumindest drei, vorteilhaft zumindest vier, besonders vorteilhaft zumindest sechs, vorzugsweise zumindest acht Heizelementen zumindest zu einem Erhitzen von aufgestelltem Gargeschirr und mit zumindest einer Steuereinheit vorgeschlagen, die dazu vorgesehen ist, in zumindest einem Betriebsmodus den Heizelementen vordefinierte, in der Steuereinheit gespeicherte Heizleistungsdichten automatisch zuzuordnen, und die dazu vorgesehen ist, in dem Betriebsmodus in Abhängigkeit von einer Bedieneingabe mittels zumindest einer Bedieneinheit zumindest eine der vordefinierten Heizleistungsdichten zumindest eines Heizelements zu verändern. Unter einem "Heizelement" soll insbesondere ein Element verstanden werden, das dazu vorgesehen ist, zumindest in einem Betriebsmodus elektrische Energie zumindest zu einem Großteil an ein Gargeschirr, vorzugsweise durch zumindest einen eine Kochfläche ausbildenden Grundkörper hindurch, zu übertragen und/oder elektrische Energie in Wärme umzuwandeln, um insbesondere zumindest ein aufgestelltes Gargeschirr, vorzugsweise durch zumindest einen eine Kochfläche ausbildenden Grundkörper hindurch, zu erhitzen. Insbesondere ist das Heizelement dazu vorgesehen, in zumindest einem Betriebsmodus, in dem das Heizelement an eine Versorgungselektronik angeschlossen ist, eine Leistung von zumindest 100 W, insbesondere zumindest 500 W, vorteilhaft zumindest 1000 W, vorzugsweise zumindest 2000 W zu übertragen. Insbesondere ist das Heizelement als ein Induktionsheizelement ausgebildet. Unter einem "Induktionsheizelement" soll insbesondere ein gewickelter elektrischer Leiter verstanden werden, der in zumindest einem Betriebsmodus von hochfrequentem Wechselstrom durchflossen ist. Insbesondere ist das Induktionsheizelement dazu vorgesehen, elektrische Energie in ein magnetisches Wechselfeld umzuwandeln, das dazu vorgesehen ist, in einem metallischen, vorzugsweise zumindest teilweise ferromagnetischen, Gargeschirr Wirbelströme und/oder Ummagnetisierungseffekte hervorzurufen, die in Wärme umgewandelt werden. Vorzugsweise ist das Induktionsheizelement dazu vorgesehen, eine Erwärmung des Gargeschirrs zu verursachen. Vorzugsweise ist das Induktionsheizelement dazu vorgesehen, in dem Betriebsmodus elektrische Energie in elektromagnetische Feldenergie zu wandeln, die in einem geeigneten Gargeschirr letztendlich in Wärme gewandelt wird. Vorteilhaft umfasst die Kochfeldvorrichtung zumindest eine Versorgungselektronik zumindest zu einer Versorgung der Heizelemente. Insbesondere umfasst die Versorgungselektronik zumindest eine Heizfrequenzeinheit, insbesondere zumindest zwei, vorteilhaft zumindest drei, vorzugsweise zumindest vier Heizfrequenzeinheiten, zu einer Versorgung zumindest eines Heizelements. Insbesondere ist eine Heizfrequenzeinheit der Versorgungselektronik zu einer Versorgung von zwei, insbesondere nebeneinander angeordneten Heizelementen vorgesehen. Unter einer "Heizfrequenzeinheit" soll insbesondere eine elektrische Einheit verstanden werden, die ein oszillierendes elektrisches Signal, vorzugsweise mit einer Frequenz von zumindest 1 kHz, insbesondere von wenigstens 10 kHz, vorteilhaft von mindestens 20 kHz und insbesondere von maximal 100 kHz für ein Heizelement erzeugt. Insbesondere ist die Heizfrequenzeinheit dazu vorgesehen, eine von dem Heizelement geforderte, maximale elektrische Leistung von zumindest 1000 W, insbesondere zumindest 2000 W, vorteilhaft zumindest 3000 W und vorzugsweise zumindest 3500 W bereitzustellen. Die Heizfrequenzeinheit umfasst insbesondere zumindest einen Wechselrichter, der vorzugsweise zumindest zwei, vorzugsweise in Reihe geschaltete, bidirektionale unipolare Schalter, die insbesondere von einem Transistor und einer parallel geschalteten Diode gebildet sind, und besonders vorteilhaft zumindest jeweils einen parallel zu den bidirektionalen unipolaren Schaltern geschaltete Dämpfungskapazität, die insbesondere von zumindest einem Kondensator gebildet ist, aufweist. Insbesondere weist die Kochfeldvorrichtung zumindest einen Grundkörper zumindest zu einem Aufstellen von Gargeschirr auf. Insbesondere bildet der Grundkörper zumindest im Wesentlichen eine Kochfläche aus. Unter einer "Steuereinheit" soll insbesondere eine elektronische Einheit verstanden werden, die vorzugsweise in eine Steuer- und/oder Regeleinheit eines Kochfelds zumindest teilweise integriert ist und die vorzugsweise dazu vorgesehen ist, zumindest die Heizelemente zu steuern und/oder zu regeln. Vorzugsweise umfasst die Steuereinheit eine Recheneinheit und insbesondere zusätzlich zur Recheneinheit eine Speichereinheit mit einem darin gespeicherten Steuer- und/oder Regelprogramm, das dazu vorgesehen ist, von der Recheneinheit ausgeführt zu werden. Vorteilhaft weist die Kochfeldvorrichtung zumindest eine Sensoreinheit auf, die insbesondere von den Heizelementen selbst gebildet ist, die dazu vorgesehen ist, aufgestelltes Gargeschirr insbesondere mittels Messung zumindest einer Induktivität und/oder zumindest einer Kapazität zu detektieren. Insbesondere ist die Sensoreinheit dazu vorgesehen, zumindest Form, Größe und/oder Material von aufgestelltem Gargeschirr zu erkennen. Insbesondere ist die Sensoreinheit dazu vorgesehen, aufgestelltes Gargeschirr anhand von Form, Größe und/oder Material zu erkennen und voneinander zu unterscheiden. Insbesondere ist die Steuereinheit dazu vorgesehen, Messwerte der Sensoreinheit auszuwerten, zumindest eine Heizzone zu berechnen und Heizelemente festzulegen, die diese Heizzone bilden. Insbesondere ist die Steuereinheit dazu vorgesehen, einem detektierten Gargeschirr eine in Form, Größe und/oder Position angepasste Heizzone zuzuordnen. Insbesondere ist die Steuereinheit dazu vorgesehen, mittels Aktivierung zumindest eines der Heizelemente, insbesondere zumindest eines Großteils der, vorteilhaft aller Heizelemente zumindest eine Detektion eines aufgestellten Gargeschirrs durch die Sensoreinheit zu ermöglichen. Alternativ sind weitere, einem Fachmann als sinnvoll erscheinende Möglichkeiten zu einer Detektion von aufgestelltem Gargeschirr denkbar. Insbesondere ist die Steuereinheit dazu vorgesehen, zumindest eine regelmäßige Detektion von aufgestelltem Gargeschirr, insbesondere durch die Sensoreinheit, zu bewirken. Unter der Wendung, dass die Steuereinheit dazu vorgesehen ist, zumindest eine "regelmäßige" Detektion von aufgestelltem Gargeschirr zu bewirken, soll insbesondere verstanden werden, dass die Steuereinheit dazu vorgesehen ist, eine Detektion von aufgestelltem Gargeschirr in zeitlichen Abständen von weniger als 30 s, insbesondere von weniger als 10 s, vorteilhaft von weniger als 5 s, besonders vorteilhaft von weniger als 1 s, vorzugsweise von weniger als 0,1 s zu bewirken. Unter der Wendung, dass die Steuereinheit dazu vorgesehen ist, zumindest eine regelmäßige Detektion von aufgestelltem Gargeschirr zu "bewirken", soll insbesondere verstanden werden, dass die Steuereinheit dazu vorgesehen ist, zumindest eine regelmäßige Detektion von aufgestelltem Gargeschirr durch eine Aktivierung zumindest eines der, insbesondere zumindest eines Großteils der, vorteilhaft aller Heizelemente zu ermöglichen. Unter der Wendung, dass die Steuereinheit dazu vorgesehen ist, einem Heizelement eine Heizleistungsdichte "zuzuordnen", soll insbesondere verstanden werden, dass die Steuereinheit dazu vorgesehen ist, bei einer Aktivierung des Heizelements das Heizelement mit der Heizleistungsdichte zu betreiben, die dem Heizelement zugeordnet ist. Unter der Wendung, dass die Steuereinheit dazu vorgesehen ist, zumindest ein Heizelement zu "betreiben", soll insbesondere verstanden werden, dass die Steuereinheit dazu vorgesehen ist, die Versorgungselektronik anzusteuern, die das Heizelement versorgt. Unter der Wendung, dass die Steuereinheit dazu vorgesehen ist, in zumindest einem Betriebsmodus den Heizelementen vordefinierte, in der Steuereinheit gespeicherte Heizleistungsdichten "automatisch" zuzuordnen, soll insbesondere verstanden werden, dass die Steuereinheit dazu vorgesehen ist, in dem Betriebsmodus in Abhängigkeit von aufgestelltem Gargeschirr den Heizelementen vordefinierte, in der Steuereinheit gespeicherte Heizleistungsdichten selbsttätig, insbesondere unter Vermeidung einer Bedieneingabe mittels einer Bedieneinheit, zuzuordnen. Insbesondere ist die Steuereinheit dazu vorgesehen, zumindest einem der, insbesondere einem Großteil der, vorteilhaft jedem der Heizelemente eine vordefinierte Heizleistungsdichte zuzuordnen. Insbesondere unterscheidet sich eine vordefinierte Heizleistungsdichte, die einem ersten Heizelement zugeordnet ist, von einer vordefinierten Heizleistungsdichte, die einem zweiten Heizelement, das von dem ersten getrennt ausgebildet ist, zugeordnet ist. Insbesondere ist in der Speichereinheit der Steuereinheit zu zumindest einem der, insbesondere einem Großteil der, vorteilhaft jedem der Heizelemente eine vordefinierte, individuelle Heizleistungsdichte gespeichert. Insbesondere ist die Steuereinheit dazu vorgesehen, in dem Betriebsmodus in Abhängigkeit von einer Bedieneingabe mittels zumindest einer Bedieneinheit zumindest eine der vordefinierten Heizleistungsdichten zumindest eines Heizelements außerhalb eines Heizvorgangs, insbesondere vor Beginn des Heizvorgangs und/oder nach Ende des Heizvorgangs, zu verändern. Vorzugsweise ist die Steuereinheit dazu vorgesehen, in dem Betriebsmodus in Abhängigkeit von einer Bedieneingabe mittels zumindest einer Bedieneinheit zumindest eine der vordefinierten Heizleistungsdichten zumindest eines sich in Betrieb befindenden Heizelements, insbesondere während eines Heizvorgangs, zu verändern. Insbesondere ist die Steuereinheit dazu vorgesehen, in dem Betriebsmodus in Abhängigkeit von einer Bedieneingabe mittels zumindest einer Bedieneinheit zumindest eine der vordefinierten Heizleistungsdichten zumindest eines sich in Betrieb befindenden Heizelements, das insbesondere während eines Heizvorgangs zumindest ein aufgestelltes Gargeschirr beheizt, zu verändern. Insbesondere umfasst die Kochfeldvorrichtung zumindest eine Bedieneinheit zumindest zu einer Bedieneingabe von Betriebskenngrößen. Unter einer "Bedieneingabe" soll insbesondere eine Betätigung der Bedieneinheit durch einen Bediener verstanden werden. Beispielsweise ist die Bedieneinheit zu einer Auswahl und/oder Veränderung einer Heizzone vorgesehen. Zudem könnte die Bedieneinheit zu einer Einstellung einer Heizleistung und/oder Heizleistungsdichte einer Heizzone vorgesehen sein. Ebenfalls denkbar ist, dass die Bedieneinheit zu einer Auswahl und/oder Veränderung einer Garzeit und/oder eines Garprogramms ausgebildet ist. Weiterhin ist denkbar, dass die Bedieneinheit zu einem Wechsel eines Betriebsmodus und/oder Betriebszustands vorgesehen ist. Alternativ sind weitere, einem Fachmann als sinnvoll erscheinende Ausbildungen der Bedieneinheit und/oder der Betriebskenngrößen denkbar. Unter "vorgesehen" soll insbesondere speziell programmiert, ausgelegt und/oder ausgestattet verstanden werden. Darunter, dass ein Objekt zu einer bestimmten Funktion vorgesehen ist, soll insbesondere verstanden werden, dass das Objekt diese bestimmte Funktion in zumindest einem Anwendungs- und/oder Betriebszustand erfüllt und/oder ausführt.The invention relates to a hob device according to claim 1. The documents EP 1 610 590 A1 . FR 2 984 463 A1 and DE 23 55 412 A1 disclose cooktop devices of the prior art. The object of the invention is in particular to provide a generic device with improved properties in terms of a high level of comfort for an operator and / or high flexibility. The object is achieved by the features of claim 1, while advantageous embodiments and modifications of the invention can be taken from the dependent claims. It is a hob device, in particular an induction hob device, with at least two, in particular at least three, advantageously at least four, more preferably at least six, preferably at least eight heating elements proposed at least for heating of cooking dishes and with at least one control unit, which is provided in at least one operating mode the heating elements predefined, stored in the control unit Heizleistungsdichten automatically assigned, and which is intended to change in the operating mode in response to an operator input by means of at least one control unit at least one of the predefined Heizleistungsdichten at least one heating element. A "heating element" is to be understood in particular to mean an element which is intended, at least in one operating mode, to transfer electrical energy to cooking utensils, preferably through at least one main body forming a cooking surface, and / or electrical energy into heat to convert in particular to heat at least one set up cooking utensils, preferably by at least one main body forming a cooking surface. In particular, the heating element is provided to transmit in at least one operating mode in which the heating element is connected to a supply electronics, a power of at least 100 W, in particular at least 500 W, advantageously at least 1000 W, preferably at least 2000 W. In particular, the heating element is designed as an induction heating element. An "induction heating element" is to be understood, in particular, as a wound electrical conductor which is traversed by high-frequency alternating current in at least one operating mode. In particular, the induction heating element is intended to convert electrical energy into a magnetic alternating field, which is intended to cause in a metallic, preferably at least partially ferromagnetic, cooking harness eddy currents and / or Ummagnetisierungseffekte that are converted into heat. Preferably, the induction heating element is intended to cause heating of the cooking utensil. Preferably, the induction heating is intended to convert in the operating mode electrical energy into electromagnetic field energy, which is finally converted into heat in a suitable cooking utensils. Advantageously, the hob device comprises at least one supply electronics at least for a supply of the heating elements. In particular, the supply electronics comprises at least one heating frequency unit, in particular at least two, advantageously at least three, preferably at least four heating frequency units, for supplying at least one heating element. In particular, a heating frequency unit of the supply electronics is provided to supply two, in particular juxtaposed heating elements. A "heating frequency unit" should be understood in particular to mean an electrical unit which 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 not more than 100 kHz for a heating element. In particular, the heating frequency unit is provided to provide a required by the heating element, maximum electrical power 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 in particular formed 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 in particular formed by at least one capacitor. In particular, the hob device has at least one main body at least for setting up cooking utensils. In particular, the main body forms at least substantially a cooking surface. A "control unit" is to be understood as meaning, in particular, an electronic unit which is preferably at least partially integrated in a control and / or regulating unit of a hob and which is preferably provided to control and / or regulate at least the heating elements. Preferably, the control unit 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 arithmetic unit. Advantageously, the hob device has at least one sensor unit, which is formed in particular by the heating elements themselves, which is intended to detect cooking utensils arranged, in particular by measuring at least one inductance and / or at least one capacitance. In particular, the sensor unit is provided to recognize at least the shape, size and / or material of the cooking utensils. In particular, the sensor unit is provided to detect cooking utensils set up on the basis of shape, size and / or material and to distinguish them from each other. In particular, the control unit is provided to evaluate measured values of the sensor unit, to calculate at least one heating zone and to determine heating elements that form this heating zone. In particular, the control unit is provided to associate a detected cooking utensil with a shape, size and / or position adapted heating zone. In particular, the control unit is provided to enable at least one detection of a raised cooking utensil by the sensor unit by activating at least one of the heating elements, in particular at least a majority of, advantageously all heating elements. Alternatively, further possibilities that would appear appropriate to a person skilled in the art for the detection of erected cooking utensils are conceivable. In particular, the control unit is provided to effect at least a regular detection of food set up, in particular by the sensor unit. Under the phrase that the control unit is intended to effect at least a "regular" detection of erected cooking utensils, should be understood in particular that the control unit is intended to detect a set up Gargeschirr at intervals of less than 30 s, in particular of less than 10 s, advantageously less than 5 s, particularly advantageously less than 1 s, preferably less than 0.1 s. By the phrase that the control unit is intended to "effect" at least one regular detection of set up cooking utensils, it should be understood in particular that the control unit is intended to provide at least one regular detection of set up cooking utensils by activating at least one of, in particular at least a majority of, advantageously allow all heating elements. By the use of the control unit being intended to "allocate" a heating power density to a heating element, it should be understood, in particular, that the control unit is intended to be activated upon activation of the heating system Heating element to operate the heating element with the Heizleistungsdichte, which is associated with the heating element. By the phrase that the control unit is intended to "operate" at least one heating element, it should be understood, in particular, that the control unit is intended to control the supply electronics which supply the heating element. Under the phrase that the control unit is intended to "automatically" allocate the heating element densities stored in the control unit in at least one operating mode, it should be understood in particular that the control unit is provided in the operating mode depending on the cooking utensils installed Heating elements predefined, stored in the control unit heating power densities automatically, in particular while avoiding an operator input by means of an operating unit to assign. In particular, the control unit is provided to associate at least one of, in particular a majority of, advantageously each of the heating elements with a predefined heating power density. In particular, a predefined heating power density associated with a first heating element differs from a predefined heating power density associated with a second heating element formed separately from the first. In particular, a predefined, individual heating power density is stored in the storage unit of the control unit for at least one of, in particular a majority of, advantageously each of the heating elements. In particular, in the operating mode, the control unit is provided to change at least one of the predefined heating power densities of at least one heating element outside a heating operation, in particular before the start of the heating operation and / or after the end of the heating operation, as a function of an operating input by means of at least one operating unit. In the operating mode, the control unit is preferably provided to change at least one of the predefined heating power densities of at least one heating element in operation, in particular during a heating operation, as a function of an operating input by means of at least one operating unit. In particular, the control unit is provided to change in the operating mode as a function of an operating input by means of at least one control unit at least one of the predefined Heizleistungsdichten at least one heating element in operation, in particular heated during a heating process at least one set up Gargeschirr. In particular, the hob device comprises at least one operating unit at least for an operating input of operating parameters. Under an "operator input" should in particular an actuation of the operating unit by a Operator understood. For example, the operating unit is provided for selecting and / or changing a heating zone. In addition, the operating unit could be provided for setting a heating power and / or heating power density of a heating zone. It is also conceivable that the operating unit is designed to select and / or change a cooking time and / or a cooking program. Furthermore, it is conceivable that the operating unit is provided for a change of an operating mode and / or operating state. Alternatively, further embodiments of the operating unit and / or the operating parameters appearing appropriate to a person skilled in the art are conceivable. By "provided" is intended to be understood in particular specially programmed, designed and / or equipped. The fact that an object is intended for a specific function should in particular mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.

Durch die erfindungsgemäße Ausgestaltung kann insbesondere ein hoher Komfort für einen Bediener und/oder eine hohe Flexibilität erreicht werden. Insbesondere kann ein Bediener komfortabel und/oder flexibel vordefinierte Heizleistungsdichten gemäß seiner Bedürfnisse verändern. Insbesondere kann ein Bediener vordefinierte Heizleistungsdichten an einen aktuellen Heizvorgang anpassen, wodurch eine hohe Zufriedenheit des Bedieners und/oder eine vorteilhafte Wärmeverteilung und/oder ein schneller Heizvorgang erreicht werden kann.In particular, a high level of comfort for an operator and / or high flexibility can be achieved by the configuration according to the invention. In particular, an operator can conveniently and / or flexibly change predefined heating power densities according to his needs. In particular, an operator can adapt predefined heating power densities to a current heating process, whereby a high operator satisfaction and / or an advantageous heat distribution and / or a quick heating process can be achieved.

Zudem wird vorgeschlagen, dass die Steuereinheit dazu vorgesehen ist, in dem Betriebsmodus in Abhängigkeit einer Änderung einer vordefinierten Heizleistungsdichte zumindest eines ersten Heizelements eine einem zweiten Heizelement zugeordnete, vordefinierte Heizleistungsdichte zu verändern. Insbesondere ist die Steuereinheit dazu vorgesehen, nach Änderung einer vordefinierten Heizleistungsdichte des ersten Heizelements eine bestehende Gliederung der den Heizelementen zugeordneten Heizleistungsdichten aufrechtzuerhalten und/oder zu invertieren. Unter einer "Gliederung" der den Heizelementen zugeordneten Heizleistungsdichten soll insbesondere verstanden werden, dass die den Heizelementen zugeordneten Heizleistungsdichten in Abhängigkeit von einem Bezugspunkt ansteigende und/oder abfallende Werte aufweisen. Beispielsweise könnten die den Heizelementen zugeordneten Heizleistungsdichten in Abhängigkeit von einem Abstand zu einer Kante des eine Kochfläche ausbildenden Grundkörpers ansteigende und/oder abfallende Werte aufweisen. Vorteilhaft weisen die den Heizelementen zugeordneten Heizleistungsdichten in Abhängigkeit von einem Abstand zu einem Bediener ansteigende und/oder abfallende Werte auf. Beispielsweise könnte die Steuereinheit dazu vorgesehen sein, den Heizelementen vordefinierte Heizleistungsdichten zuzuordnen, deren Werte linear und/oder exponentiell voneinander abhängig sind. Ebenfalls denkbar ist, dass die Steuereinheit dazu vorgesehen ist, nach Änderung einer vordefinierten Heizleistungsdichte zumindest eines ersten Heizelements die den Heizelementen zugeordneten Heizleistungsdichten neu zu gliedern, insbesondere eine neue Gliederung vorzunehmen. Weiterhin könnte die Steuereinheit dazu vorgesehen sein, nach Änderung einer vordefinierten Heizleistungsdichte zumindest eines ersten Heizelements die den Heizelementen zugeordneten Heizleistungsdichten um zumindest im Wesentlichen denselben Betrag und/oder Anteil zu ändern. Insbesondere ist die Steuereinheit für den Fall, dass ein Wert einer ersten Heizleistungsdichte des ersten Heizelements größer ist als ein Wert einer zweiten Heizleistungsdichte des zweiten zu dem ersten Heizelement nächstgelegenen Heizelements, und nach Änderung der ersten Heizleistungsdichte des ersten Heizelements dazu vorgesehen, falls der Wert der geänderten ersten Heizleistungsdichte des ersten Heizelements kleiner ist als der Wert der Heizleistungsdichte des zweiten Heizelements dem ersten Heizelement die zweite Heizleistungsdichte und dem zweiten Heizelement die erste Heizleistungsdichte zuzuordnen. Insbesondere ist die Steuereinheit für den Fall, dass ein Wert einer ersten Heizleistungsdichte des ersten Heizelements kleiner ist als ein Wert einer zweiten Heizleistungsdichte des zweiten zu dem ersten Heizelement nächstgelegenen Heizelements, und nach Änderung der ersten Heizleistungsdichte des ersten Heizelements dazu vorgesehen, falls der Wert der geänderten ersten Heizleistungsdichte des ersten Heizelements größer ist als der Wert der Heizleistungsdichte des zweiten Heizelements dem ersten Heizelement die zweite Heizleistungsdichte und dem zweiten Heizelement die erste Heizleistungsdichte zuzuordnen. Insbesondere ist die Steuereinheit für den Fall, dass ein Wert einer ersten Heizleistungsdichte eines ersten Heizelements, das einem Bediener nächstgelegen angeordnet ist, größer ist als ein Wert einer zweiten Heizleistungsdichte eines zweiten Heizelements, das zu dem ersten Heizelement in einer Reihenlängsrichtung maximal beabstandet ist, und nach Änderung der ersten Heizleistungsdichte des ersten Heizelements dazu vorgesehen, falls der Wert der geänderten ersten Heizleistungsdichte des ersten Heizelements kleiner ist als der Wert der Heizleistungsdichte des zweiten Heizelements, die Gliederung der den Heizelementen zugeordneten Heizleistungsdichten zu invertieren. Insbesondere ist die Steuereinheit für den Fall, dass ein Wert einer ersten Heizleistungsdichte eines ersten Heizelements, das einem Bediener nächstgelegen angeordnet ist, kleiner ist als ein Wert einer zweiten Heizleistungsdichte eines zweiten Heizelements, das zu dem ersten Heizelement bezüglich einer Reihenlängsrichtung maximal beabstandet ist, und nach Änderung der ersten Heizleistungsdichte des ersten Heizelements dazu vorgesehen, falls der Wert der geänderten ersten Heizleistungsdichte des ersten Heizelements größer ist als der Wert der Heizleistungsdichte des zweiten Heizelements, die Gliederung der den Heizelementen zugeordneten Heizleistungsdichten zu invertieren. Dadurch kann insbesondere eine hohe Zufriedenheit des Bedieners und/oder eine vorteilhafte Kochleistung erreicht werden.In addition, it is proposed that the control unit be provided to change a predefined heating power density assigned to a second heating element in the operating mode as a function of a change in a predefined heating power density of at least one first heating element. In particular, the control unit is provided, after changing a predefined heating power density of the first heating element, to maintain and / or invert an existing structure of the heating power densities assigned to the heating elements. An "arrangement" of the heating power densities assigned to the heating elements should in particular be understood as meaning that the heating power densities assigned to the heating elements have rising and / or falling values as a function of a reference point. For example, the heater power densities associated with the heaters could be a function of a distance to an edge of a cooking surface Have basic body rising and / or falling values. The heating power densities assigned to the heating elements advantageously have increasing and / or decreasing values as a function of a distance to an operator. For example, the control unit could be provided to allocate predefined heating power densities to the heating elements whose values are linearly and / or exponentially dependent on one another. It is also conceivable that the control unit is provided, after changing a predefined heating power density of at least one first heating element, to restructure the heating power densities assigned to the heating elements, in particular to perform a new structuring. Furthermore, the control unit could be provided, after changing a predefined heating power density of at least one first heating element, to change the heating power densities assigned to the heating elements by at least substantially the same amount and / or proportion. In particular, in the case that a value of a first heating power density of the first heating element is greater than a value of a second heating power density of the second heating element closest to the first heating element and after changing the first heating power density of the first heating element, the control unit is provided for changed first heating power density of the first heating element is smaller than the value of the heating power density of the second heating element to the first heating element, the second Heizleistungsdichte and the second heating element to assign the first Heizleistungsdichte. Specifically, in the case where a value of a first heating power density of the first heating element is smaller than a value of a second heating power density of the second heating element nearest to the first heating element, and after changing the first heating power density of the first heating element, the control unit is provided for changed first heating power density of the first heating element is greater than the value of the Heizleistungsdichte of the second heating element to the first heating element, the second Heizleistungsdichte and the second heating element to assign the first Heizleistungsdichte. In particular, in the case that a value of a first heating power density of a first heating element located closest to an operator is greater than a value of a second heating power density of a second heating element maximally spaced from the first heating element in a row longitudinal direction, and provided the first heating power density of the first heating element is changed, if the value of the changed first heating power density of the first heating element is smaller than the value of the heating power density of the second heating element, the structure of the heating elements Invert associated heat power densities. In particular, in the case where a value of a first heating power density of a first heating element located closest to an operator is smaller than a value of a second heating power density of a second heating element maximally spaced from the first heating element with respect to a row longitudinal direction, and the control unit provided the first heating power density of the first heating element has been changed, if the value of the changed first heating power density of the first heating element is greater than the value of the heating power density of the second heating element, inverting the structure of the heating power densities assigned to the heating elements. This can be achieved in particular a high satisfaction of the operator and / or an advantageous cooking performance.

Weiterhin wird vorgeschlagen, dass die Steuereinheit dazu vorgesehen ist, in dem Betriebsmodus eine, insbesondere genau eine Heizleistungsdichte eines, insbesondere genau eines, sich in Betrieb befindenden Heizelements mittels zumindest einer Bedieneinheit auszugeben. Alternativ ist denkbar, dass die Steuereinheit dazu vorgesehen ist, zumindest eine Heizleistungsdichte zumindest eines sich in Betrieb befindenden Heizelements mittels zumindest einer Bedieneinheit auszugeben. Hierbei könnte die Steuereinheit beispielsweise dazu vorgesehen sein, zwei Heizleistungsdichten zweier sich in Betrieb befindender Heizelemente mittels zumindest einer Bedieneinheit auszugeben. Insbesondere umfasst die Bedieneinheit zumindest eine Ausgabeeinheit zu einer Ausgabe zumindest einer Information an einen Bediener. Insbesondere ist die Steuereinheit zumindest zu einer optischen Ausgabe des Betriebsmodus, den die Steuereinheit automatisch ausgewählt hat, mittels der Bedieneinheit vorgesehen. Alternativ oder zusätzlich ist denkbar, dass die Steuereinheit zu einer akustischen Ausgabe des Betriebsmodus, den die Steuereinheit automatisch ausgewählt hat, mittels der Bedieneinheit vorgesehen ist. Dadurch kann insbesondere ein Bediener in angenehmer Weise informiert werden. Zudem kann vorteilhaft ein hoher Bedienkomfort erreicht werden.Furthermore, it is proposed that the control unit be provided to output in the operating mode a, in particular exactly one heating power density of, in particular, exactly one heating element in operation by means of at least one operating unit. Alternatively, it is conceivable that the control unit is provided to output at least one heating power density of at least one heating element in operation by means of at least one operating unit. In this case, the control unit could be provided, for example, to output two heating power densities of two heating elements in operation by means of at least one operating unit. In particular, the operating unit comprises at least one output unit for outputting at least one piece of information to an operator. In particular, the control unit is provided by means of the operating unit at least to an optical output of the operating mode which the control unit has automatically selected. Alternatively or additionally, it is conceivable that the control unit is provided for an acoustic output of the operating mode, which the control unit has automatically selected, by means of the operating unit. As a result, in particular, an operator can be informed in a pleasant way. In addition, advantageously a high level of operating comfort can be achieved.

Ferner wird vorgeschlagen, dass die Steuereinheit dazu vorgesehen ist, in dem Betriebsmodus einem Heizelement, das in einem, insbesondere in eingebautem Zustand einem Bediener zugewandten Bereich angeordnet ist, eine höhere Heizleistungsdichte zuzuordnen als einem Heizelement, das in einem, insbesondere in eingebautem Zustand einem Bediener abgewandten Bereich angeordnet ist. Alternativ ist denkbar, dass die Steuereinheit dazu vorgesehen ist, zumindest in einem Betriebsmodus einem Heizelement, das in einem, insbesondere in eingebautem Zustand einem Bediener zugewandten Bereich angeordnet ist, eine niedere Heizleistungsdichte zuzuordnen als einem Heizelement, das in einem, insbesondere in eingebautem Zustand einem Bediener abgewandten Bereich angeordnet ist. Insbesondere ist die Steuereinheit dazu vorgesehen, zumindest in einem Betriebsmodus einem Heizelement, das in dem einem Bediener zugewandten Bereich angeordnet ist, eine höchste Heizleistungsdichte aller Heizelemente, insbesondere in einem Vergleich mit weiteren Heizelementen, zumindest eines Kochflächenbereichs zuzuordnen. Insbesondere ist die Steuereinheit dazu vorgesehen, zumindest in einem Betriebsmodus einem Heizelement, das in dem einem Bediener abgewandten Bereich angeordnet ist, eine geringste Heizleistungsdichte aller Heizelemente, insbesondere in einem Vergleich mit weiteren Heizelementen, zumindest eines Kochflächenbereichs zuzuordnen. Insbesondere ist die Steuereinheit dazu vorgesehen, Heizelementen in Abhängigkeit von einer Entfernung zu dem einem Bediener zugewandten Bereich unterschiedliche Heizleistungsdichten zuzuordnen. Dadurch kann insbesondere ein hoher Komfort für einen Bediener erreicht werden. Insbesondere kann ein Bediener in dem einem Bediener zugewandten Bereich Gargut zubereiten. Zudem kann ein Bediener fertig zubereitetes Gargut zu einem Warmhalten in dem einem Bediener abgewandten Bereich platzieren, um insbesondere in dem einem Bediener zugewandten Bereich weiterhin komfortabel Gargut zubereiten zu können.It is also proposed that the control unit is provided in the operating mode to assign a heating element which is arranged in an area facing an operator, in particular in the installed state, a higher heating power density than a heating element which, in particular, is installed in an operator remote area is arranged. Alternatively, it is conceivable that the Control unit is provided, at least in an operating mode a heating element, which is arranged in a, in particular in the installed state facing an operator area, assigning a lower heating power density than a heating element, which is arranged in a, in particular in the installed state facing away from an operator area. In particular, the control unit is provided, at least in one operating mode, to associate with a heating element arranged in the area facing an operator a highest heating power density of all heating elements, in particular in a comparison with further heating elements, at least one cooking surface area. In particular, the control unit is provided, at least in one operating mode, to associate with a heating element arranged in the area facing away from an operator a lowest heating power density of all heating elements, in particular in a comparison with further heating elements, at least one cooking surface area. In particular, the control unit is provided to assign heating elements in dependence on a distance to the area facing an operator different Heizleistungsdichten. This can be achieved in particular a high level of comfort for an operator. In particular, an operator can prepare food in the region facing an operator. In addition, an operator can place ready-cooked food for keeping warm in the area facing away from the operator, in order to be able to continue preparing cooking food comfortably, particularly in the area facing an operator.

Zudem wird vorgeschlagen, dass die Steuereinheit dazu vorgesehen ist, in Abhängigkeit von einer Bedieneingabe mittels zumindest einer Bedieneinheit zwischen dem Betriebsmodus und zumindest einem weiteren Betriebsmodus, in dem die Heizelemente voneinander unabhängig betrieben werden, zu wechseln. Insbesondere sind Heizleistungsdichten in dem weiteren Betriebsmodus frei wählbar, insbesondere unter Vermeidung einer Beeinflussung weiterer Heizleistungsdichten weiterer Heizelemente. Insbesondere ist in dem weiteren Betriebsmodus eine erste Heizleistungsdichte eines ersten Heizelements frei durch eine Bedieneingabe mittels der Bedieneinheit wählbar. Insbesondere ist in dem weiteren Betriebsmodus eine zweite Heizleistungsdichte eines zweiten Heizelements frei durch eine Bedieneingabe mittels der Bedieneinheit wählbar, insbesondere unter Vermeidung einer Beeinflussung der ersten Heizleistungsdichte des ersten Heizelements. Dadurch kann insbesondere eine flexible Ausgestaltung erreicht werden.In addition, it is proposed that the control unit is provided to switch between the operating mode and at least one further operating mode in which the heating elements are operated independently of one another, depending on an operating input by means of at least one operating unit. In particular, heating power densities in the further operating mode are freely selectable, in particular while avoiding influencing further heating power densities of further heating elements. In particular, in the further operating mode, a first heating power density of a first heating element can be selected freely by an operating input by means of the operating unit. In particular, in the further operating mode, a second heating power density of a second heating element can be freely selected by an operating input by means of the operating unit, in particular while avoiding influencing the first heating power density of the first heating element. As a result, in particular a flexible embodiment can be achieved.

Weiterhin wird vorgeschlagen, dass zumindest ein Teil der Heizelemente einen variablen Kochflächenbereich ausbildet. Unter einem "variablen Kochflächenbereich" soll insbesondere ein Kochflächenbereich verstanden werden, der dazu vorgesehen ist, zumindest eine an zumindest ein aufgestelltes Gargeschirr angepasste Kochzone zu bilden. Insbesondere unterscheidet sich der variable Kochflächenbereich von einer Kochfläche, bei der Heizzonen, insbesondere durch Markierungen auf der Kochfläche, fest vorgegeben sind. Insbesondere ist der variable Kochflächenbereich von zumindest zwei, insbesondere von zumindest drei, vorteilhaft von zumindest vier Heizelementen gebildet. Erfindungsgemäß sind die den variablen Kochflächenbereich ausbildenden Heizelemente in einer einzelnen Reihe angeordnet. Unter einer "Reihe" soll insbesondere eine Zeile und/oder eine Spalte und/oder ein Streifen verstanden werden. Insbesondere sind die Heizelemente entlang einer die Heizelemente verbindenden Reihenlängsrichtung, die insbesondere als eine Gerade ausgebildet ist, aneinander angeordnet, insbesondere aufgereiht. Insbesondere verbindet die Reihenlängsrichtung Schwerpunkte der Heizelemente. Ebenfalls denkbar ist, dass die Heizelemente versetzt angeordnet sind, wobei Schwerpunkte der Heizelemente zu einer Geraden, die zumindest im Wesentlichen parallel zu der Reihenlängsrichtung ausgerichtet ist und die die Heizelemente zumindest im Wesentlichen mittig miteinander verbindet, einen Abstand aufweisen, der kleiner ist als 50 %, insbesondere kleiner als 40 %, vorteilhaft kleiner als 30 % eines Betrags zumindest einer Erstreckung, insbesondere einer Längserstreckung und/oder einer Quererstreckung, zumindest eines der die Reihe ausbildenden Heizelemente. Unter einer "einzelnen" Reihe aus zumindest zwei Heizelementen soll insbesondere eine Reihe verstanden werden, bei welcher die Heizelemente in, insbesondere genau, einer Reihenlängsrichtung benachbart angeordnet sind, wobei die Steuereinheit dazu vorgesehen ist, aus den in Reihenlängsrichtung benachbart angeordneten Heizelementen zumindest eine an zumindest ein aufgestelltes Gargeschirr angepasste Kochzone zu bilden. Insbesondere ist zumindest ein weiteres Heizelement, das von den die Reihe ausbildenden Heizelementen getrennt ausgebildet und Teil einer von der Reihe getrennt ausgebildeten weiteren Reihe ist, zu jedem der die Reihe ausbildenden Heizelemente beabstandet angeordnet. Insbesondere weist das weitere Heizelement zu jedem der die Reihe ausbildenden Heizelemente bezüglich einer Reihenquerrichtung, die zumindest im Wesentlichen senkrecht zu der Reihenlängsrichtung ausgerichtet ist, einen Abstand auf, der größer ist als 15 %, insbesondere größer als 30 %, vorteilhaft größer als 40 %, bevorzugt größer als 50 %, besonders bevorzugt größer als 75 % eines Betrags zumindest einer Erstreckung, insbesondere einer Längserstreckung und/oder einer Quererstreckung, zumindest eines der die Reihe ausbildenden Heizelemente. Unter der Wendung, dass eine Gerade und/oder Ebene "zumindest im Wesentlichen senkrecht" zu einer weiteren, von der einen Gerade und/oder Ebene getrennt ausgebildeten Gerade und/oder Ebene ausgerichtet ist, soll insbesondere verstanden werden, dass die Gerade und/oder Ebene mit der weiteren Gerade und/oder Ebene bei einer Projektion auf zumindest eine Projektionsebene, in der zumindest eine der Geraden und/oder eine der Ebenen angeordnet ist, einen Winkel einschließt, der vorzugsweise um weniger als 15°, vorteilhaft um weniger als 10° und insbesondere um weniger als 5° von einem Winkel von 90° abweicht. Alternativ oder zusätzlich ist denkbar, dass zumindest ein Teil der Heizelemente ein klassisches Kochfeld ausbildet. Ebenfalls denkbar ist, dass ein Teil, insbesondere im Wesentlichen 50 %, einer Kochfläche als klassisches Kochfeld und ein weiterer Teil, insbesondere im Wesentlichen 50 %, der Kochfläche als variabler Kochflächenbereich ausgebildet ist. Dadurch kann insbesondere ein hohes Maß an Flexibilität erreicht werden.Furthermore, it is proposed that at least a part of the heating elements form a variable cooking surface area. A "variable cooktop area" is to be understood, in particular, as a cooktop area, which is intended to form at least one cooking zone adapted to at least one set of cooking utensils. In particular, the variable cooktop area differs from a cooktop in which heating zones, in particular by markings on the cooktop, are fixed. In particular, the variable cooktop area of at least two, in particular of at least three, is advantageously formed by at least four heating elements. According to the invention, the heating elements forming the variable cooking surface area are arranged in a single row. A "row" is to be understood in particular as meaning a row and / or a column and / or a strip. In particular, the heating elements along a row connecting the heating elements longitudinal direction, which is in particular formed as a straight, arranged against each other, in particular strung. In particular, the series longitudinal direction connects focal points of the heating elements. It is also conceivable that the heating elements are arranged offset, wherein focal points of the heating elements to a straight line which is aligned at least substantially parallel to the row longitudinal direction and which connects the heating elements at least substantially centrally, have a distance which is smaller than 50% , In particular less than 40%, advantageously less than 30% of an amount of at least one extension, in particular a longitudinal extent and / or a transverse extent, at least one of the heating elements forming the row. A "single" row of at least two heating elements should be understood to mean, in particular, a row in which the heating elements are arranged adjacent to a row longitudinal direction, in particular precisely, wherein the control unit is provided to at least one of at least one of the heating elements adjacently arranged in the row longitudinal direction to form a cooking appliance adjusted cooking zone. In particular, at least one further heating element, which is formed separately from the heating elements forming the row and is part of a further row formed separately from the row, is arranged at a distance from each of the heating elements forming the row. In particular, the further heating element has a spacing, which is greater than 15%, in particular greater than 30%, advantageously greater than 40%, for each of the row-forming heating elements with respect to a row transverse direction which is aligned at least substantially perpendicular to the row longitudinal direction. preferably greater than 50%, particularly preferably greater than 75% of an amount of at least one extension, in particular a longitudinal extent and / or a transverse extent, at least one of the heating elements forming the row. By the notion that a straight line and / or plane is aligned "at least substantially perpendicularly" to a further straight line and / or plane formed by a straight line and / or plane, it shall be understood in particular that the straight line and / or Level with the further straight line and / or plane in a projection on at least one projection plane in which at least one of the lines and / or one of the planes is arranged, an angle includes, preferably by less than 15 °, advantageously less than 10 ° and differs in particular by less than 5 ° from an angle of 90 °. Alternatively or additionally, it is conceivable that at least a part of the heating elements form a classic cooktop. It is also conceivable that a part, in particular substantially 50%, of a cooking surface as a classic hob and a further part, in particular substantially 50%, of the cooking surface is designed as a variable cooking surface area. As a result, in particular a high degree of flexibility can be achieved.

Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbeschreibung. In der Zeichnung sind Ausführungsbeispiele der Erfindung dargestellt. Die Zeichnung, die Beschreibung und die Ansprüche enthalten zahlreiche Merkmale in Kombination.Further advantages emerge from the following description of the drawing. In the drawings, embodiments of the invention are shown. The drawing, the description and the claims contain numerous features in combination.

Es zeigen:

Fig. 1
ein erfindungsgemäßes Kochfeld mit einer erfindungsgemäßen Kochfeldvorrichtung in einer schematischen Draufsicht.
Show it:
Fig. 1
a cooking hob according to the invention with a hob according to the invention in a schematic plan view.

Fig. 1 zeigt ein erfindungsgemäßes Kochfeld 38, das als ein Induktionskochfeld ausgebildet ist, mit einer erfindungsgemäßen Kochfeldvorrichtung 10, die als eine Induktionskochfeldvorrichtung ausgebildet ist. Die Kochfeldvorrichtung 10 weist einen Grundkörper 40 zu einem Aufstellen von Gargeschirren 28 auf. Der Grundkörper 40 bildet eine Kochfläche aus. Die Kochfeldvorrichtung 10 umfasst acht Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 zu einem Erhitzen von aufgestelltem Gargeschirr 28. Die Heizelemente 12, 14, 16, 18, 20, 22, 24, 26, die als Induktionsheizelemente ausgebildet sind, sind unterhalb des Grundkörpers 40 angeordnet. Die Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 sind jeweils dazu vorgesehen, auf dem Grundkörper 40 oberhalb der Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 aufgestelltes Gargeschirr 28 zu erhitzen. Die Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 sind als längliche Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 ausgebildet. Jedes Heizelement 12, 14, 16, 18, 20, 22, 24, 26 weist eine Längserstreckung 42 auf, die größer ist als eine Quererstreckung 44 des Heizelements 12, 14, 16, 18, 20, 22, 24, 26. Fig. 1 shows a cooktop 38 according to the invention, which is designed as an induction cooktop, with a cooktop device 10 according to the invention, which is designed as an induction cooktop device. The hob device 10 has a base body 40 for setting up cooking utensils 28. The main body 40 forms a cooking surface. The hob apparatus 10 includes eight heating elements 12, 14, 16, 18, 20, 22, 24, 26 for heating up cooking utensils 28. The heating elements 12, 14, 16, 18, 20, 22, 24, 26 are used as induction heating elements are formed, are arranged below the main body 40. The heating elements 12, 14, 16, 18, 20, 22, 24, 26 are each provided on the base body 40 above the heating elements 12, 14, 16, 18, 20, 22, 24, 26 heated cooking utensils 28 to set up. The heating elements 12, 14, 16, 18, 20, 22, 24, 26 are formed as elongated heating elements 12, 14, 16, 18, 20, 22, 24, 26. Each heating element 12, 14, 16, 18, 20, 22, 24, 26 has a longitudinal extent 42 that is greater than a transverse extent 44 of the heating element 12, 14, 16, 18, 20, 22, 24, 26.

Die Kochfeldvorrichtung 10 umfasst zwei variable Kochflächenbereiche 34, 36. Jeweils vier der Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 bilden einen der variablen Kochflächenbereiche 34, 36 aus. Die beiden variablen Kochflächenbereiche 34, 36 sind nebeneinander angeordnet. Hierbei sind die beiden variablen Kochflächenbereiche 34, 36 bezüglich einer im Wesentlichen parallel zu der Längserstreckung 42 der Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 ausgerichteten Richtung nebeneinander angeordnet. Ein erster der variablen Kochflächenbereiche 34 ist auf einer ersten Seite des Grundkörpers 40 angeordnet. Ein zweiter der variablen Kochflächenbereiche 36 ist auf einer zweiten Seite des Grundkörpers 40, die der ersten Seite gegenüberliegt, angeordnet. Jeweils vier Heizelemente 12, 14, 16, 18, 20, 22, 24, 26, die einen der variablen Kochflächenbereiche 34, 36 ausbilden, sind in einer einzelnen Reihe angeordnet. Die die einzelne Reihe ausbildenden Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 sind in Reihenlängsrichtung 46 benachbart angeordnet. Die Reihenlängsrichtung 46 ist im Wesentlichen senkrecht zu der Längserstreckung 42 der Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 ausgerichtet. Die Reihenlängsrichtung 46 erstreckt sich ausgehend von einem in eingebautem Zustand einem Bediener zugewandten Bereich des Grundkörpers 40 in Richtung eines in eingebautem Zustand einem Bediener abgewandten Bereichs des Grundkörpers 40. Die die einzelne Reihe ausbildenden Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 weisen in Reihenlängsrichtung 46 einen Abstand auf, der wesentlich kleiner ist als die im Wesentlichen parallel zu der Reihenlängsrichtung 46 ausgerichtete Quererstreckung 44 der Heizelemente 12, 14, 16, 18, 20, 22, 24, 26.The hob device 10 comprises two variable cooktop areas 34, 36. Each four of the heating elements 12, 14, 16, 18, 20, 22, 24, 26 form one of the variable cooktop areas 34, 36. The two variable cooktop areas 34, 36 are arranged side by side. In this case, the two variable cooktop areas 34, 36 are arranged next to one another with respect to a direction aligned substantially parallel to the longitudinal extent 42 of the heating elements 12, 14, 16, 18, 20, 22, 24, 26. A first of the variable cooktop areas 34 is arranged on a first side of the main body 40. A second of the variable cooking surface areas 36 is arranged on a second side of the main body 40, which is opposite to the first side. Four heating elements 12, 14, 16, 18, 20, 22, 24, 26 each, which form one of the variable cooktop areas 34, 36, are arranged in a single row. The individual row forming heating elements 12, 14, 16, 18, 20, 22, 24, 26 are arranged adjacent in the longitudinal direction 46. The row longitudinal direction 46 is aligned substantially perpendicular to the longitudinal extent 42 of the heating elements 12, 14, 16, 18, 20, 22, 24, 26. The row longitudinal direction 46 extends from an area of the main body 40 facing an operator in the installed state in the direction of a region of the main body 40 facing away from the operator in the installed state. The heating elements 12, 14, 16, 18, 20, 22 forming the single row 24, 26 have a spacing in the longitudinal direction 46, which is substantially smaller than the transverse extension 44 of the heating elements 12, 14, 16, 18, 20, 22, 24, 26 which is aligned substantially parallel to the longitudinal direction 46.

Der erste variable Kochflächenbereich 34 ist von einem ersten Heizelement 12, einem zweiten Heizelement 14, einem dritten Heizelement 16 und einem vierten Heizelement 18 gebildet. Das erste Heizelement 12 ist in dem in eingebautem Zustand einem Bediener zugewandten Bereich des Grundkörpers 40 angeordnet. Ausgehend von dem ersten Heizelement 12 folgen in der Reihenlängsrichtung 46 das zweite Heizelement 14, anschließend das dritte Heizelement 16 und danach das vierte Heizelement 18. Der zweite variable Kochflächenbereich 36 ist von einem fünften Heizelement 20, einem sechsten Heizelement 22, einem siebten Heizelement 24 und einem achten Heizelement 26 gebildet. Das fünfte Heizelement 20 ist in dem in eingebautem Zustand einem Bediener zugewandten Bereich des Grundkörpers 40 angeordnet. Ausgehend von dem fünften Heizelement 20 folgen in der Reihenlängsrichtung 46 das sechste Heizelement 22, anschließend das siebte Heizelement 24 und danach das achte Heizelement 26.The first variable cooking surface area 34 is formed by a first heating element 12, a second heating element 14, a third heating element 16 and a fourth heating element 18. The first heating element 12 is arranged in the region of the main body 40 facing an operator in the installed state. Starting from the first heating element 12, the second heating element 14 follows in the longitudinal direction 46, then the third heating element 16 and then the fourth heating element 18 second variable cooktop area 36 is formed by a fifth heating element 20, a sixth heating element 22, a seventh heating element 24 and an eighth heating element 26. The fifth heating element 20 is arranged in the region of the main body 40 facing an operator in the installed state. Starting from the fifth heating element 20, the sixth heating element 22 follows in the longitudinal direction 46, followed by the seventh heating element 24 and then the eighth heating element 26.

Die Kochfeldvorrichtung 10 umfasst eine Versorgungselektronik zu einer Versorgung der Heizelemente 12, 14, 16, 18, 20, 22, 24, 26. Die Versorgungselektronik umfasst vier Heizfrequenzeinheiten, die jeweils zu einer Versorgung von zwei nebeneinander angeordneten Heizelementen 12, 14, 16, 18, 20, 22, 24, 26 vorgesehen sind.The hob device 10 comprises a supply electronics for supplying the heating elements 12, 14, 16, 18, 20, 22, 24, 26. The supply electronics comprises four heating frequency units, each for a supply of two juxtaposed heating elements 12, 14, 16, 18th , 20, 22, 24, 26 are provided.

Die Kochfeldvorrichtung 10 weist in dem in eingebautem Zustand einem Bediener zuweisenden Bereich eine Bedieneinheit 32 zu einer Eingabe von Betriebskenngrößen auf. Beispielsweise ist die Bedieneinheit zu einer Auswahl und/oder Veränderung einer Heizzone vorgesehen. Zudem könnte die Bedieneinheit zu einer Einstellung einer Heizleistung und/oder Heizleistungsdichte einer Heizzone vorgesehen sein. Ebenfalls denkbar ist, dass die Bedieneinheit zu einer Auswahl und/oder Veränderung einer Garzeit und/oder eines Garprogramms ausgebildet ist. Weiterhin ist denkbar, dass die Bedieneinheit zu einem Wechsel eines Betriebsmodus und/oder Betriebszustands vorgesehen ist. Alternativ sind weitere, einem Fachmann als sinnvoll erscheinende Ausbildungen der Bedieneinheit und/oder der Betriebskenngrößen denkbar. Die Kochfeldvorrichtung 10 weist eine Steuereinheit 30 zu einem Betreiben der Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 auf. Die Steuereinheit 30 ist dazu vorgesehen, in Abhängigkeit der mittels der Bedieneinheit 32 eingegebenen Betriebskenngrößen Aktionen auszuführen und/oder Einstellungen zu verändern. Die Kochfeldvorrichtung 10 umfasst eine Sensoreinheit zu einer Detektion von aufgestelltem Gargeschirr 28. Die Sensoreinheit ist im Wesentlichen einstückig mit den Heizelementen 12, 14, 16, 18, 20, 22, 24, 26 ausgebildet. Die Steuereinheit 30 ist mit der Sensoreinheit verbunden. Die Steuereinheit 30 und die Sensoreinheit sind elektrisch verbunden.The hob device 10 has in the installed state to an operator assigning area on a control unit 32 for an input of operating characteristics. For example, the operating unit is provided for selecting and / or changing a heating zone. In addition, the operating unit could be provided for setting a heating power and / or heating power density of a heating zone. It is also conceivable that the operating unit is designed to select and / or change a cooking time and / or a cooking program. Furthermore, it is conceivable that the operating unit is provided for a change of an operating mode and / or operating state. Alternatively, further embodiments of the operating unit and / or the operating parameters appearing appropriate to a person skilled in the art are conceivable. The hob device 10 has a control unit 30 for operating the heating elements 12, 14, 16, 18, 20, 22, 24, 26. The control unit 30 is provided to execute actions and / or to change settings as a function of the operating parameters entered by means of the operating unit 32. The cooktop device 10 comprises a sensor unit for a detection of the cooking utensil 28 set up. The sensor unit is formed essentially in one piece with the heating elements 12, 14, 16, 18, 20, 22, 24, 26. The control unit 30 is connected to the sensor unit. The control unit 30 and the sensor unit are electrically connected.

In einem Verfahren zum Betrieb der Kochfeldvorrichtung 10 betreibt die Steuereinheit 30 die Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 in Abhängigkeit von einer Bedieneingabe mittels der Bedieneinheit 32 in unterschiedlichen Betriebsmodi. Die Steuereinheit 30 ordnet den Heizelementen 12, 14, 16, 18, 20, 22, 24, 26 in einem Betriebsmodus vordefinierte, in der Steuereinheit 30 gespeicherte Heizleistungsdichten automatisch zu. Die Steuereinheit 30 betreibt in dem Betriebsmodus von aufgestelltem Gargeschirr 28 bedeckte Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 mit den in der Steuereinheit 30 gespeicherten vordefinierten Heizleistungsdichten. Hierbei ist zu jedem der Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 eine eigene, individuelle Heizleistungsdichte, die sich von Heizleistungsdichten der weiteren Heizelemente 12, 14, 16, 18, 20, 22, 24, 26 unterscheidet, in der Steuereinheit 30 gespeichert. Die Steuereinheit 30 gliedert die in der Steuereinheit 30 gespeicherten, vordefinierten Heizleistungsdichten in Abhängigkeit von einer Position der Heizelemente 12, 14, 16, 18, 20, 22, 24, 26. Die Steuereinheit 30 ordnet in dem Betriebsmodus einem Heizelement 12, 14, 16, 18, 20, 22, 24, 26, das in dem einem Bediener zugewandten Bereich angeordnet ist, eine höhere Heizleistungsdichte zu als einem Heizelement 12, 14, 16, 18, 20, 22, 24, 26, das in dem einem Bediener abgewandten Bereich angeordnet ist. Beispielsweise ordnet die Steuereinheit 30 dem ersten Heizelement 12, das in dem in eingebautem Zustand einem Bediener zugewandten Bereich angeordnet ist, eine höhere Heizleistungsdichte zu als dem vierten Heizelement 18, das in dem in eingebautem Zustand einem Bediener abgewandten Bereich angeordnet ist. Die Steuereinheit 30 ordnet in dem Betriebsmodus dem ersten Heizelement 12 eine erste Heizleistungsdichte zu, die größer ist als eine zweite Heizleistungsdichte, die dem zweiten Heizelement 14 zugeordnet ist. Die dem zweiten Heizelement 14 zugeordnete zweite Heizleistungsdichte ist größer als eine dritte Heizleistungsdichte, die dem dritten Heizelement 16 zugeordnet ist. Die dem dritten Heizelement 16 zugeordnete dritte Heizleistungsdichte ist größer als eine vierte Heizleistungsdichte, die dem vierten Heizelement 18 zugeordnet ist.In a method for operating the hob device 10, the control unit 30 operates the heating elements 12, 14, 16, 18, 20, 22, 24, 26 in response to an operating input by means of the operating unit 32 in different operating modes. The control unit 30 places the heating elements 12, 14, 16, 18, 20, 22, 24, 26 in an operating mode predefined, stored in the control unit 30 Heizleistungsdichten automatically. The control unit 30 operates heating elements 12, 14, 16, 18, 20, 22, 24, 26 covered in the operating mode of installed cooking utensils 28 with the predefined heating power densities stored in the control unit 30. Here, each of the heating elements 12, 14, 16, 18, 20, 22, 24, 26 has its own individual heating power density, which differs from the heating power densities of the further heating elements 12, 14, 16, 18, 20, 22, 24, 26 , stored in the control unit 30. The control unit 30 divides the predefined heating power densities stored in the control unit 30 as a function of a position of the heating elements 12, 14, 16, 18, 20, 22, 24, 26. The control unit 30 assigns a heating element 12, 14, 16 in the operating mode , 18, 20, 22, 24, 26, which is arranged in the area facing the operator, to a higher Heizleistungsdichte than a heating element 12, 14, 16, 18, 20, 22, 24, 26, facing away from the operator in an operator Area is arranged. For example, the control unit 30 assigns a higher heating power density to the first heating element 12, which is arranged in the installed state to an operator facing area, than the fourth heating element 18, which is arranged in the installed state an operator facing away from the area. In the operating mode, the control unit 30 assigns the first heating element 12 a first heating power density that is greater than a second heating power density that is assigned to the second heating element 14. The second heating power density associated with the second heating element 14 is greater than a third heating power density associated with the third heating element 16. The third heating power density associated with the third heating element 16 is greater than a fourth heating power density associated with the fourth heating element 18.

Beispielsweise wird auf dem zweiten Heizelement 14 ein Gargeschirr 28 aufgestellt. Die Steuereinheit 30 ordnet in dem Betriebsmodus dem von aufgestelltem Gargeschirr 28 bedeckten zweiten Heizelement 14 automatisch die vordefinierte, in der Steuereinheit 30 gespeicherte zweite Heizleistungsdichte zu. Die Steuereinheit 30 betreibt in dem Betriebsmodus das von aufgestelltem Gargeschirr 28 bedeckte zweite Heizelement 14 mit der vordefinierten, in der Steuereinheit 30 gespeicherten zweiten Heizleistungsdichte. Zudem gibt die Steuereinheit 30 in dem Betriebsmodus die zweite Heizleistungsdichte des sich in Betrieb befindenden zweiten Heizelements 14 mittels der Bedieneinheit 32 aus. Die Steuereinheit 30 gibt in dem Betriebsmodus eine Heizleistungsdichte eines sich in Betrieb befindenden Heizelements 14, 16, 18, 20, 22, 24, 26 mittels der Bedieneinheit 32 aus.For example, a cooking utensil 28 is placed on the second heating element 14. In the operating mode, the control unit 30 automatically assigns the second heating power density stored in the control unit 30 to the second heating element 14 covered by the cooking utensil 28 that has been set up. In the operating mode, the control unit 30 operates the second heating element 14 covered by the cooking utensil 28 with the predefined second heating power density stored in the control unit 30. In addition, in the operation mode, the control unit 30 outputs the second heating power density of the second heating element 14 in operation by means of the operation unit 32. The control unit 30 outputs, in the operation mode, a heating power density of a Operating heating element 14, 16, 18, 20, 22, 24, 26 by means of the control unit 32 from.

Die Steuereinheit 30 verändert in dem Betriebsmodus in Abhängigkeit von einer Bedieneingabe mittels der Bedieneinheit 32 eine der vordefinierten Heizleistungsdichten eines der Heizelemente 12, 14, 16, 18, 20, 22, 24, 26. Die Steuereinheit 30 verändert eine der in der Steuereinheit 30 gespeicherten vordefinierten Heizleistungsdichten in Abhängigkeit von einer Bedieneingabe mittels der Bedieneinheit 32 außerhalb eines Heizvorgangs. Beispielsweise verändert die Steuereinheit 30 in dem Betriebsmodus eine der in der Steuereinheit 30 gespeicherten vordefinierten Heizleistungsdichten in Abhängigkeit von einer Bedieneingabe mittels der Bedieneinheit 32 vor Beginn eines Heizvorgangs und nach Ende eines Heizvorgangs. Zusätzlich zu einer Änderung einer der in der Steuereinheit 30 gespeicherten vordefinierten Heizleistungsdichten außerhalb eines Heizvorgangs verändert die Steuereinheit 30 in Abhängigkeit von einer Bedieneingabe mittels der Bedieneinheit 32 eine der in der Steuereinheit 30 gespeicherten vordefinierten Heizleistungsdichten während eines Heizvorgangs. Hierbei verändert die Steuereinheit 30 in dem Betriebsmodus in Abhängigkeit von einer Bedieneingabe mittels der Bedieneinheit 32 eine der vordefinierten Heizleistungsdichten eines sich in Betrieb befindenden Heizelements 12, 14, 16, 18, 20, 22, 24, 26.The control unit 30 changes one of the predefined heating power densities of one of the heating elements 12, 14, 16, 18, 20, 22, 24, 26 in the operating mode as a function of an operating input by means of the operating unit 32. The control unit 30 modifies one of those stored in the control unit 30 predefined Heizleistungsdichten depending on an operator input by means of the control unit 32 outside a heating process. In the operating mode, for example, the control unit 30 changes one of the predefined heating power densities stored in the control unit 30 as a function of an operating input by means of the operating unit 32 before the start of a heating operation and after the end of a heating operation. In addition to a change in one of the predefined heating power densities stored in the control unit 30 outside a heating process, the control unit 30 changes one of the predefined heating power densities stored in the control unit 30 during a heating operation as a function of an operating input by means of the operating unit 32. In this case, the control unit 30 changes one of the predefined heating power densities of an operating heating element 12, 14, 16, 18, 20, 22, 24, 26 in the operating mode as a function of an operating input by means of the operating unit 32.

Nach Änderung einer der in der Steuereinheit 30 gespeicherten vordefinierten Heizleistungsdichten überprüft die Steuereinheit 30 in dem Betriebsmodus, ob durch die Änderung einer der in der Steuereinheit 30 gespeicherten vordefinierten Heizleistungsdichten die Gliederung der vordefinierten Heizleistungsdichten verändert ist. Im Falle einer Veränderung der Gliederung der vordefinierten Heizleistungsdichten verändert die Steuereinheit 30 in dem Betriebsmodus in Abhängigkeit einer Änderung einer vordefinierten Heizleistungsdichte eines Heizelements 12, 14, 16, 18, 20, 22, 24, 26 eine einem weiteren Heizelement 12, 14, 16, 18, 20, 22, 24, 26 zugeordnete, vordefinierte Heizleistungsdichte. Nach Änderung einer der in der Steuereinheit 30 gespeicherten vordefinierten Heizleistungsdichten behält die Steuereinheit 30 in dem Betriebsmodus die Gliederung der Heizleistungsdichten bei.After changing one of the predefined heating power densities stored in the control unit 30, the control unit 30 checks in the operating mode whether the structure of the predefined heating power densities is changed by the change of one of the predefined heating power densities stored in the control unit 30. In the event of a change in the structure of the predefined heating power densities, the control unit 30 changes a further heating element 12, 14, 16 in the operating mode as a function of a change in a predefined heating power density of a heating element 12, 14, 16, 18, 20, 22, 24, 26. 18, 20, 22, 24, 26 assigned, predefined Heizleistungsdichte. After changing one of the predefined heating power densities stored in the control unit 30, the control unit 30 maintains the division of the heating power densities in the operating mode.

Beispielsweise wird in dem Betriebsmodus die erste Heizleistungsdichte des ersten Heizelements 12 verändert. Die Steuereinheit 30 prüft, ob die veränderte erste Heizleistungsdichte des ersten Heizelements 12 größer ist als die zweite Heizleistungsdichte des zweiten Heizelements 14. Ist die veränderte erste Heizleistungsdichte des ersten Heizelements 12 größer als die zweite Heizleistungsdichte des zweiten Heizelements 14, so verändert die Steuereinheit 30 in dem Betriebsmodus die erste Heizleistungsdichte des ersten Heizelements 12 gemäß der Bedieneingabe mittels der Bedieneinheit 32. Zudem belässt die Steuereinheit 30 in dem Betriebsmodus die Heizleistungsdichten der weiteren Heizelemente 14, 16, 18, 20, 22, 24, 26 unverändert. Ist die veränderte erste Heizleistungsdichte des ersten Heizelements 12 gleich groß wie die zweite Heizleistungsdichte des zweiten Heizelements 14, so verändert die Steuereinheit 30 in dem Betriebsmodus die erste Heizleistungsdichte des ersten Heizelements 12 gemäß der Bedieneingabe mittels der Bedieneinheit 32. Zudem belässt die Steuereinheit 30 in dem Betriebsmodus die Heizleistungsdichten der weiteren Heizelemente 14, 16, 18, 20, 22, 24, 26 unverändert. Ist die veränderte erste Heizleistungsdichte des ersten Heizelements 12 kleiner als die zweite Heizleistungsdichte des zweiten Heizelements 14 und größer als die dritte Heizleistungsdichte des dritten Heizelements 16, so ordnet die Steuereinheit 30 in dem Betriebsmodus dem ersten Heizelement 12 die zweite Heizleistungsdichte und dem zweiten Heizelement 14 die veränderte erste Heizleistungsdichte zu.For example, in the operating mode, the first heating power density of the first heating element 12 is changed. The control unit 30 checks whether the changed first heating power density of the first heating element 12 is greater than the second Heated power density of the second heating element 14. If the changed first heating power density of the first heating element 12 is greater than the second heating power density of the second heating element 14, the control unit 30 changes the first heating power density of the first heating element 12 according to the operating input by means of the operating unit 32 in the operating mode the control unit 30 in the operating mode, the Heizleistungsdichten the other heating elements 14, 16, 18, 20, 22, 24, 26 unchanged. If the changed first heating power density of the first heating element 12 is the same as the second heating power density of the second heating element 14, then the control unit 30 changes the first heating power density of the first heating element 12 according to the operating input by means of the operating unit 32 in the operating mode Operating mode, the Heizleistungsdichten the other heating elements 14, 16, 18, 20, 22, 24, 26 unchanged. If the changed first heating power density of the first heating element 12 is smaller than the second heating power density of the second heating element 14 and greater than the third heating power density of the third heating element 16, the control unit 30 assigns the second heating power density to the first heating element 12 and the second heating element 14 in the operating mode changed first Heizleistungsdichte too.

In analoger Weise prüft die Steuereinheit 30 in dem Betriebsmodus nach Änderung der zweiten Heizleistungsdichte des zweiten Heizelements 14, ob die veränderte zweite Heizleistungsdichte größer ist als die erste Heizleistungsdichte des ersten Heizelements 12. Ist die veränderte zweite Heizleistungsdichte des zweiten Heizelements 14 größer als die erste Heizleistungsdichte des ersten Heizelements 12, so ordnet die Steuereinheit 30 in dem Betriebsmodus dem ersten Heizelement 12 die veränderte zweite Heizleistungsdichte und dem zweiten Heizelement 14 die erste Heizleistungsdichte zu. Ist die veränderte zweite Heizleistungsdichte des zweiten Heizelements 14 kleiner als die dritte Heizleistungsdichte des dritten Heizelements 16 und größer als die vierte Heizleistungsdichte des vierten Heizelements 18, so ordnet die Steuereinheit 30 in dem Betriebsmodus dem dritten Heizelement 16 die veränderte zweite Heizleistungsdichte und dem zweiten Heizelement 14 die dritte Heizleistungsdichte zu. Ist die veränderte zweite Heizleistungsdichte des zweiten Heizelements 14 weder größer als die erste Heizleistungsdichte des ersten Heizelements 12 noch kleiner als die dritte Heizleistungsdichte des dritten Heizelements 16, so verändert die Steuereinheit 30 in dem Betriebsmodus die zweite Heizleistungsdichte des zweiten Heizelements 14 gemäß der Bedieneingabe mittels der Bedieneinheit 32 und belässt die Heizleistungsdichten der weiteren Heizelemente 14, 16, 18, 20, 22, 24, 26 unverändert. In analoger Weise verfährt die Steuereinheit 30 nach Änderung einer weiteren Heizleistungsdichte, beispielsweise der dritten oder der vierten Heizleistungsdichte.In an analogous manner, in the operating mode, after changing the second heating power density of the second heating element 14, the control unit 30 checks whether the changed second heating power density is greater than the first heating power density of the first heating element 12. Is the changed second heating power density of the second heating element 14 greater than the first heating power density In the operating mode, the control unit 30 assigns the changed second heating power density to the first heating element 12 and the first heating power density to the second heating element 14. If the changed second heating power density of the second heating element 14 is smaller than the third heating power density of the third heating element 16 and greater than the fourth heating power density of the fourth heating element 18, the control unit 30 assigns the modified second heating power density and the second heating element 14 to the third heating element 16 in the operating mode the third Heizleistungsdichte too. If the changed second heating power density of the second heating element 14 is neither greater than the first heating power density of the first heating element 12 nor less than the third heating power density of the third heating element 16, the control unit 30 changes the second heating power density of the second heating element 14 in the operating mode according to Operating input by means of the control unit 32 and leaves the Heizleistungsdichten the other heating elements 14, 16, 18, 20, 22, 24, 26 unchanged. In an analogous manner, the control unit 30 moves after changing a further Heizleistungsdichte, for example, the third or fourth Heizleistungsdichte.

Beispielsweise wird in dem Betriebsmodus die erste Heizleistungsdichte des ersten Heizelements 12 verändert, die größer ist als Heizleistungsdichten der weiteren Heizelemente 14, 16, 18, die gemeinsam mit dem ersten Heizelement 12 den ersten variablen Kochflächenbereich 34 ausbilden. Die Steuereinheit 30 prüft, ob die veränderte erste Heizleistungsdichte des ersten Heizelements 12 größer ist als die zweite Heizleistungsdichte des zweiten Heizelements 14. Ist die veränderte erste Heizleistungsdichte des ersten Heizelements 12 kleiner als die zweite Heizleistungsdichte des zweiten Heizelements 14, so überprüft die Steuereinheit 30 in dem Betriebsmodus, ob die veränderte erste Heizleistungsdichte größer ist als die dritte Heizleistungsdichte des dritten Heizelements 16. Ist die veränderte erste Heizleistungsdichte des ersten Heizelements 12 kleiner als die dritte Heizleistungsdichte des dritten Heizelements 16, so überprüft die Steuereinheit 30 in dem Betriebsmodus, ob die veränderte erste Heizleistungsdichte größer ist als die vierte Heizleistungsdichte des vierten Heizelements 18. Ist die veränderte erste Heizleistungsdichte des ersten Heizelements 12 kleiner als die vierte Heizleistungsdichte des vierten Heizelements 18, so invertiert die Steuereinheit 30 in dem Betriebsmodus die Gliederung der Heizleistungsdichten. Hierbei ordnet die Steuereinheit 30 in dem Betriebsmodus dem ersten Heizelement 12 die veränderte erste Heizleistungsdichte zu. Ferner ordnet die Steuereinheit 30 in dem Betriebsmodus dem zweiten Heizelement 14 die dritte Heizleistungsdichte zu, die größer ist als die veränderte erste Heizleistungsdichte. Zudem ordnet die Steuereinheit 30 in dem Betriebsmodus dem dritten Heizelement 16 die zweite Heizleistungsdichte zu, die größer ist als die dritte Heizleistungsdichte. Weiterhin ordnet die Steuereinheit 30 in dem Betriebsmodus dem vierten Heizelement 18 die ursprüngliche erste Heizleistungsdichte zu, die größer ist als die zweite Heizleistungsdichte. Ist die veränderte erste Heizleistungsdichte des ersten Heizelements 12 kleiner als die vierte Heizleistungsdichte des vierten Heizelements 18, so ordnet die Steuereinheit 30 in dem Betriebsmodus einem Heizelement 12, 14, 16, 18, 20, 22, 24, 26, das in dem einem Bediener zugewandten Bereich angeordnet ist, eine niederere Heizleistungsdichte zu als einem Heizelement 12, 14, 16, 18, 20, 22, 24, 26, das in dem einem Bediener abgewandten Bereich angeordnet ist.For example, in the operating mode, the first heating power density of the first heating element 12 is changed, which is greater than the heating power densities of the further heating elements 14, 16, 18, which form the first variable cooking surface area 34 together with the first heating element 12. The control unit 30 checks whether the changed first heating power density of the first heating element 12 is greater than the second heating power density of the second heating element 14. If the changed first heating power density of the first heating element 12 is smaller than the second heating power density of the second heating element 14, the control unit 30 checks in FIG If the changed first heating power density of the first heating element 12 is smaller than the third heating power density of the third heating element 16, the control unit 30 checks in the operating mode whether the changed If the changed first heating power density of the first heating element 12 is smaller than the fourth heating power density of the fourth heating element 18, the control unit inverts unit 30 in the operating mode, the outline of the Heizleistungsdichten. In this case, the control unit 30 assigns the changed first heating power density to the first heating element 12 in the operating mode. Further, in the operation mode, the control unit 30 assigns the third heater power density to the second heater 14 greater than the changed first heater power density. In addition, in the operation mode, the control unit 30 assigns the second heater power density to the third heater 16 greater than the third heater power density. Further, in the operation mode, the control unit 30 assigns to the fourth heating element 18 the original first heating power density which is larger than the second heating power density. If the changed first heating power density of the first heating element 12 is less than the fourth heating power density of the fourth heating element 18, the control unit 30 in the operating mode orders a heating element 12, 14, 16, 18, 20, 22, 24, 26 in the one operator facing region, a lower Heizleistungsdichte than a heating element 12, 14, 16, 18, 20, 22, 24, 26, which is arranged in the area facing away from an operator.

Die Steuereinheit 30 wechselt in Abhängigkeit von einer Bedieneingabe mittels der Bedieneinheit 32 zwischen dem Betriebsmodus und einem weiteren Betriebsmodus, in dem die Heizelemente 14, 16, 18, 20, 22, 24, 26 voneinander unabhängig betrieben werden. In dem weiteren Betriebsmodus betreibt die Steuereinheit 30 die Heizelemente 14, 16, 18, 20, 22, 24, 26 in Abhängigkeit von einer Bedieneingabe mittels der Bedieneinheit 32 mit individuellen Heizleistungsdichten. Nach Änderung einer der individuellen Heizleistungsdichten eines der Heizelemente 14, 16, 18, 20, 22, 24, 26 ändert die Steuereinheit 30 die veränderte Heizleistungsdichte des Heizelements 14, 16, 18, 20, 22, 24, 26 unabhängig von weiteren individuellen Heizleistungsdichten weiterer Heizelemente 14, 16, 18, 20, 22, 24, 26. Hierbei belässt die Steuereinheit 30 in dem weiteren Betriebsmodus die weiteren individuellen Heizleistungsdichten der weiteren Heizelemente 14, 16, 18, 20, 22, 24, 26 unverändert.The control unit 30 changes in response to an operating input by means of the operating unit 32 between the operating mode and a further operating mode in which the heating elements 14, 16, 18, 20, 22, 24, 26 are operated independently. In the further operating mode, the control unit 30 operates the heating elements 14, 16, 18, 20, 22, 24, 26 in dependence on an operating input by means of the operating unit 32 with individual heating power densities. After changing one of the individual heating power densities of one of the heating elements 14, 16, 18, 20, 22, 24, 26, the control unit 30 changes the changed heating power density of the heating element 14, 16, 18, 20, 22, 24, 26 independently of further individual heating power densities of others Heating elements 14, 16, 18, 20, 22, 24, 26. Here, the control unit 30 leaves the other individual heating power densities of the other heating elements 14, 16, 18, 20, 22, 24, 26 unchanged in the further operating mode.

Bezugszeichenreference numeral

1010
KochfeldvorrichtungHob device
1212
Heizelementheating element
1414
Heizelementheating element
1616
Heizelementheating element
1818
Heizelementheating element
2020
Heizelementheating element
2222
Heizelementheating element
2424
Heizelementheating element
2626
Heizelementheating element
2828
Gargeschirrcooking containers
3030
Steuereinheitcontrol unit
3232
Bedieneinheitoperating unit
3434
Variabler KochflächenbereichVariable cooking surface area
3636
Variabler KochflächenbereichVariable cooking surface area
3838
Kochfeldhob
4040
Grundkörperbody
4242
Längserstreckunglongitudinal extension
4444
Quererstreckungtransverse extension
4646
ReihenlängsrichtungSeries longitudinally

Claims (8)

  1. Hob apparatus with at least two heating elements (12, 14, 16, 18, 20, 22, 24, 26) at least for heating a cooking utensil (28) placed thereupon and with at least one control unit (30), which is provided, in at least one operating mode, to automatically assign predefined heat output densities stored in the control unit (30) to the heating elements (12, 14, 16, 18, 20, 22, 24, 26), and which is provided, in the operating mode, to modify at least one of the predefined heat output densities of at least one heating element (12, 14, 16, 18, 20, 22, 24, 26) as a function of a operator entry by means of at least one operating unit (32), wherein at least one part of the heating elements (14, 16, 18, 20, 22, 24, 26) embodies a variable cooktop surface (34, 36), characterized in that heating elements (12, 14, 16, 18, 20, 22, 24, 26) embodying the variable cooktop surface (34, 36) are arranged in an single row.
  2. Hob apparatus according to claim 1, characterised in that the control unit (30) is provided, in the operating mode, to modify at least one of the predefined heat output densities of at least one operational heating element (12, 14, 16, 18, 20, 22, 24, 26) as a function of a operator entry by means of at least one operating unit (32).
  3. Hob apparatus according to one of the preceding claims, characterised in that the control unit (30) is provided, in the operating mode, to modify a predefined heat output density assigned to a second heating element (12, 14, 16, 18, 20, 22, 24, 26) as a function of a modification to a predefined heat output density of at least one first heating element (12, 14, 16, 18, 20, 22, 24, 26).
  4. Hob apparatus according to one of the preceding claims, characterised in that the control unit (30) is provided, in the operating mode, to output a heat output density of an operational heating element (12, 14, 16, 18, 20, 22, 24, 26) by means of at least one operating unit (32).
  5. Hob apparatus according to one of the preceding claims, characterised in that the control unit (30) is provided, in the operating mode, to assign a higher heat output density to a heating element (12, 14, 16, 18, 20, 22, 24, 26), which is arranged in an area facing an operator, than to a heating element (12, 14, 16, 18, 20, 22, 24, 26), which is arranged in an area facing away from an operator.
  6. Hob apparatus according to one of the preceding claims, characterised in that the control unit (30) is provided to switch between the operating mode and at least one further operating mode, in which the heating elements (12, 14, 16, 18, 20, 22, 24, 26) are operated independently of one another, as a function of a operator entry by means of at least one operating unit (32).
  7. Hob with at least one hob apparatus (10) according to one of claims 1 to 6.
  8. Method for operating a hob apparatus (10) according to one of claims 1 to 6, with at least two heating elements (12, 14, 16, 18, 20, 22, 24, 26) at least for heating a cooking utensil (28) placed thereupon and with at least one control unit (30), wherein in at least one operating mode, predefined heat output densities stored in the control unit (30) are automatically assigned to the heating elements (12, 14, 16, 18, 20, 22, 24, 26) by the control unit (30), wherein, in the operating mode, at least one of the predefined heat output densities of at least one heating element (12, 14, 16, 18, 20, 22, 24, 26) is modified by the control unit (30) as a function of an operator entry by means of at least one operating unit (32), wherein at least one part of the heating elements (14, 16, 18, 20, 22, 24, 26) embodies a variable cooktop surface (34, 36), and wherein the heating elements (12, 14, 16, 18, 20, 22, 24, 26) embodying the variable cooktop surface (34, 36) are arranged in a single row.
EP14177589.0A 2013-07-31 2014-07-18 Hotplate device Active EP2833697B1 (en)

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ES2634872T3 (en) 2013-07-31 2017-09-29 BSH Hausgeräte GmbH Cooking countertop device
EP2846607B1 (en) 2013-09-05 2016-05-18 Electrolux Appliances Aktiebolag An induction cooking hob including a cooking area with three or more induction coils and a method for controlling a cooking area
DE102016217783A1 (en) 2016-09-16 2018-03-22 E.G.O. Elektro-Gerätebau GmbH Method for operating a hob with multiple heaters
DE102017221341A1 (en) * 2017-11-28 2019-05-29 E.G.O. Elektro-Gerätebau GmbH Pot detection sensor for an induction hob and induction hob
CN111742613B (en) * 2018-02-23 2022-06-28 三菱电机株式会社 Induction heating cooker
DE102020200694B4 (en) 2020-01-22 2021-08-12 E.G.O. Elektro-Gerätebau GmbH Method for operating a hob device and hob device
DE102021214821B3 (en) 2021-12-21 2023-03-30 E.G.O. Elektro-Gerätebau GmbH Method of operating a cooktop and cooktop

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DE3241968A1 (en) 1982-11-12 1984-05-17 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Cooking tray, especially built-in cooking field with several heating locations
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FR2863039A1 (en) 2003-11-27 2005-06-03 Brandt Ind Heating procedure for cooking vessel placed on cooker hob has series of inductors that detect presence of vessel and switch on appropriate number of heaters
EP1610590A1 (en) 2004-06-25 2005-12-28 Brandt Industries Cooking hob with a plurality of cooking zones
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EP2846607A1 (en) 2013-09-05 2015-03-11 Electrolux Appliances Aktiebolag An induction cooking hob including a cooking area with three or more induction coils and a method for controlling a cooking area
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EP2833697A1 (en) 2015-02-04

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