EP3738408B1 - Dispositif table de cuisson - Google Patents

Dispositif table de cuisson Download PDF

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Publication number
EP3738408B1
EP3738408B1 EP18822145.1A EP18822145A EP3738408B1 EP 3738408 B1 EP3738408 B1 EP 3738408B1 EP 18822145 A EP18822145 A EP 18822145A EP 3738408 B1 EP3738408 B1 EP 3738408B1
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EP
European Patent Office
Prior art keywords
heating units
cooking surface
heating
cooking
operating state
Prior art date
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Application number
EP18822145.1A
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German (de)
English (en)
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EP3738408A1 (fr
Inventor
Alberto Dominguez Vicente
Jesus Manuel Moya Nogues
Ramon Peinado Adiego
Jorge VILLA LOPEZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP3738408A1 publication Critical patent/EP3738408A1/fr
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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H05B6/065—Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1245—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
    • H05B6/1272—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements with more than one coil or coil segment per heating zone
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/03—Heating 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 the preamble of claim 1 and a method for operating a hob device according to the preamble of claim 12.
  • a hob device with a large number of heating units which define a variable cooking surface area is already known from the prior art.
  • First heating units of the heating units define a first cooking surface portion of the variable cooking surface area and second heating units of the heating units define a second cooking surface portion of the variable cooking surface area that is different from the first cooking surface portion.
  • a control unit of the hob device heats the cooking utensils set up with a target heating power intended for the corresponding cooking utensil.
  • the total output power of the heating units can fluctuate, which can cause flickering.
  • EP 2 931 005 discloses a hob device according to the preamble of claim 1.
  • the object of the invention is, in particular, to provide a generic device with improved properties with regard to heating cooking utensils.
  • the object is achieved according to the invention by the features of claims 1 and 12, while advantageous refinements and developments of the invention can be found in the subclaims.
  • the invention is based on a hob device, in particular an induction hob device, with a plurality of heating units which define at least one variable cooking surface area, which has at least one fixedly defined first cooking surface part area and at least one fixedly defined second cooking surface part area and in particular at least one fixedly defined third cooking surface part area.
  • the hob device has at least one control unit, which, in at least one operating state, in which at least one piece of cooking utensils is set up in the cooking surface sub-areas, generates a total output power from the first heating units defining the first cooking surface sub-area of the heating units and a total output power from the second heating units of the heating units defining the second cooking surface section at any particular time is kept at least essentially constant, in particular in order to thereby minimize the occurrence of flicker.
  • each cooking utensil can be supplied with at least essentially a target heating power requested for the cooking utensil and, in particular, at the same time a total output power can be kept constant at all times.
  • a large number of cooking utensils can be heated at a target heating power, particularly at the same time and advantageously, while avoiding the occurrence of flicker.
  • a “hob device”, in particular an “induction hob device”, should be understood to mean in particular at least a part, in particular a subassembly, of a hob, in particular an induction hob.
  • the hob device in particular has at least one mounting plate, below which the heating units are arranged in particular in at least one installation position.
  • a “set-up plate” is intended to mean in particular at least one, in particular plate-like unit, which is intended for setting up at least one cooking utensil and/or for placing at least one item to be cooked for the purpose of heating.
  • the mounting plate could, for example, be designed as a partial area of at least one worktop, in particular at least one kitchen worktop, in particular at least one cooking system having the hob device. Alternatively or additionally, the mounting plate could be designed as a hob plate.
  • the set-up plate designed as a hob plate could in particular be at least part of a Form the hob outer housing and in particular together with at least one outer housing unit, with which the set-up plate designed as a hob plate could be connected in particular in at least one assembled state, form at least a large part of the hob outer housing.
  • the support plate could, for example, be made at least largely of glass and/or of glass ceramic and/or of Neolith and/or of Dekton and/or of wood and/or of marble and/or of stone, in particular of natural stone, and/or of laminate and/or made of metal and/or made of plastic and/or made of ceramic.
  • “At least to a large extent” should be understood to mean in particular a proportion, in particular a mass proportion and/or volume proportion, of at least 70%, in particular of at least 80%, advantageously of at least 90% and preferably of at least 95%.
  • a “heating unit” is intended to mean, in particular, a unit which is intended to supply energy to at least one cooking utensil in at least one operating state for the purpose of heating the cooking utensil.
  • the heating unit could be designed as a resistance heating unit and in particular be intended to convert energy into heat and supply this to the cooking utensil for the purpose of heating the cooking utensil.
  • the heating unit could be designed as an induction heating unit and in particular be intended to supply energy in the form of an alternating electromagnetic field to the cooking utensil, wherein the energy supplied to the cooking utensil could be converted into heat, in particular in the cooking utensil.
  • the heating units are arranged in particular below the variable cooking surface area and/or the mounting plate and are advantageously arranged in a close area of the variable cooking surface area and/or the mounting plate.
  • the heating unit could in particular have exactly one heating element, which could in particular be defined by exactly one line element, which could be provided in at least one operating state, in particular for conducting electrical current, in particular for providing heating energy.
  • the heating unit could have at least two, in particular at least three, advantageously at least five and preferably several heating elements, which in particular could each have exactly one line element.
  • the heating unit could in particular have a group of heating elements.
  • variable cooking surface area is intended to mean, in particular, a cooking surface area which is intended for placing cooking utensils at any desired position for the purpose of heating.
  • the variable cooking surface area could be at least a partial surface area of the set-up plate, in particular a partial surface area of the set-up plate that faces an operator in at least one operating state.
  • the heating units in particular are arranged below the variable cooking surface area.
  • the control unit forms at least one heating zone from at least some of the heating units, which is adapted in particular to at least one set-up cooking utensil, in particular to a size and / or shape of at least one set-up cooking utensil.
  • variable cooking surface area differs from a cooking surface area in which cooking zones are fixed, in particular by markings on the cooking surface area.
  • the heating units defining the variable cooking surface area could, for example, be arranged in the form of a matrix.
  • the heating units defining the variable cooking surface area could, for example, be movably mounted at least partially, in particular at least substantially parallel to a main extension plane of the mounting plate, and in particular be designed as movable heating units.
  • a “main extension plane” of an object is to be understood in particular as a plane which is parallel to a largest side surface of a smallest imaginary geometric cuboid, which just completely encloses the object, and in particular runs through the center of the cuboid.
  • “Substantially parallel” is to be understood here in particular as an alignment of a direction relative to a reference direction, in particular in a plane, with the direction having a deviation from the reference direction of in particular a maximum of 8°, advantageously a maximum of 5° and particularly advantageously a maximum of 2° having.
  • a “firmly defined” cooking surface sub-area is to be understood in particular as a cooking surface sub-area, the position of which is determined by at least one property, for example by at least one structural and/or electrical and/or spatial property, and/or by at least one marking, in particular in any operating state. is fixed and/or predetermined invariably and/or independently of a heating zone configuration and/or of a cooking utensil configuration.
  • a firmly defined cooking surface subarea could be fixed unchangeably and/or constantly by at least one connection of heating units defining the cooking surface subregion to a common mains voltage phase and/or by a spatial arrangement of heating units defining the cooking surface subregion.
  • At least some of the heating units define the first cooking surface area and are referred to below as first heating units. At least some of the heating units define the second cooking surface area and are referred to below as second heating units.
  • the variable cooking surface area could, for example, have a number of n cooking surface subareas, where n could in particular be an integer real number greater than two.
  • at least one piece of cooking utensils could be set up in each of the n cooking surface areas in at least one operating state.
  • the control unit in the operating state in which at least one part of a cooking utensil is set up in the particular n cooking surface subareas, the control unit could keep a respective total output power of respective heating units of the heating units defining the corresponding cooking surface subarea at least essentially constant at all times.
  • control unit is to be understood in particular as an electronic unit which is preferably at least partially integrated into a control and/or regulating unit of a hob and which is preferably intended to control and/or regulate at least the heating units.
  • control unit comprises a computing unit and in particular, in addition to the computing unit, a storage unit with a control and/or regulation program stored therein, which is intended to be executed by the computing unit.
  • At least one part of a cooking utensil is set up in the cooking surface sub-areas is intended to mean in particular that in one of the cooking surface sub-areas there is at least one part of a cooking utensil and in another At least part of a cooking utensil is set up in the cooking surface areas.
  • at least one part of a cooking utensil could be placed in one of the cooking surface subareas and at least another part of the cooking utensil could be placed in the other of the cooking surface subareas.
  • At least one cooking utensil in particular completely, could be set up in one of the cooking surface subareas and at least one further cooking utensil, different from the one cooking utensil, in particular completely, could be set up in the other of the cooking surface subareas.
  • a “total output power” of heating units defining a cooking surface area is to be understood as a sum of the output powers of all heating units defining the cooking surface area at a specific point in time, in particular a period.
  • An “output power” of one of the heating units is to be understood in particular as an electrical power which the heating unit transmits in at least one operating state to at least one set-up cooking utensil and/or which the heating unit in at least one operating state serves to heat at least one heating zone and/or at least one cooking utensils.
  • the output power could be characterized by at least one electrical current.
  • the heating unit could, for example, convert the output power in at least one line element of the heating unit at least partially, advantageously at least to a large extent and preferably completely into a heat flow and provide the heat flow in particular for heating at least one heating zone and/or at least one cooking utensil.
  • the heating unit could, in particular in at least one operating state, in particular by means of the electrical current, provide a particularly high-frequency electromagnetic alternating field, which could be converted into heat, in particular in a cooking utensil.
  • the total output power differs in particular from an average output power.
  • An “average output power” of a heating unit should be understood to mean, in particular, an output power of the heating unit that is averaged over time, in particular over at least one time interval.
  • the average output power of the heating unit is in particular a quotient of a sum of all output powers of the heating unit within the time interval and the time interval.
  • the time interval could be at least a large part of a period and advantageously an entire period.
  • the control unit sets the middle one in at least one operating state Output power, in particular for each heating zone individually, advantageously by controlling the heating units that heat the heating zone, such that the average output power corresponds to a target heating power specified, in particular for the heating zone.
  • the control unit adapts in particular a heating power supplied to at least one heating zone to a target heating power specified for the heating zone, in particular at any time.
  • the target heating output could, for example, be predetermined by an operator, in particular by at least one operating input using at least one operator interface, and/or by a cooking program, which could in particular be stored in the memory unit of the control unit.
  • the control unit heats cooking utensils set up in the operating state and/or at least one heating zone provided for the cooking utensils with at least one target heating power intended for the cooking utensils.
  • control unit in at least one operating state keeps a total output power "at least substantially constant" at any time is intended to mean that the control unit in the operating state maintains a total output power at any time and a further total output power at any further time, which is in particular different from the point in time, sets such that a quotient of a smaller of the total output powers and a larger of the total output powers is at least 0.9, in particular at least 0.95, advantageously at least 0.97, particularly advantageously at least 0.98, preferably at least 0.99 and particularly preferably at least 0.995.
  • the quotient of the smaller of the total output powers and the larger of the total output powers is at least 0.97, particularly advantageously at least 0.98, preferably at least 0.99 and particularly preferably at least 0.995.
  • the quotient of the smaller of the total output powers and the larger of the total output powers is at least 0.9, in particular at least 0 .92, advantageous at least 0.93, particularly advantageously at least 0.94, preferably at least 0.95 and particularly preferably at least 0.97.
  • a total output power difference between the total output power at the particularly arbitrary point in time and the further total output power at the particularly arbitrary further point in time is in particular at least essentially zero.
  • a total output power difference between two total output powers at two different, in particular arbitrary times, in particular a period duration is at least essentially zero.
  • a “total output power difference” is intended to mean, in particular, a difference in the total output power at two different points in time.
  • a total output power of the first heating units and a total output power of the second heating units could be at least substantially and advantageously completely identical.
  • a total output power of the first heating units and a total output power of the second heating units differ. This allows, in particular, a flexible adjustment of the total output power of the heating units, whereby set-up cooking utensils can be heated particularly flexibly and advantageously with a predetermined target heating output.
  • the control unit could in particular adjust at least one output power of at least one of the heating units, advantageously at least a large part of the output power of the heating units and preferably all output power of the heating units by means of a frequency.
  • the control unit could in particular adjust at least one output power of at least one of the heating units, advantageously at least a large part of the output powers of the heating units and preferably all output powers of the heating units by means of a duty cycle.
  • flicker is intended to be understood in particular as a subjective impression of instability in a visual perception, which is caused in particular by a light stimulus whose luminance or spectral distribution fluctuates over time.
  • flicker can be caused by a voltage drop in the mains voltage.
  • the term “intended” is intended to mean, in particular, specifically programmed, designed and/or equipped. Including that an object is intended for a specific function is, it should be understood in particular that the object fulfills and/or carries out this specific function in at least one application and/or operating state.
  • each of the first heating units in the operating state, at least a large part of and advantageously each of the first heating units could be connected to a first mains voltage phase and at least a large part of and advantageously each of the second heating units could be connected to the same first mains voltage phase.
  • at least a majority of and advantageously each of the first heating units are connected to a first mains voltage phase and at least a large part of and advantageously each of the second heating units are connected to a second mains voltage phase which is different from the first mains voltage phase.
  • the first heating units are connected to the first mains voltage phase in the operating state.
  • the second heating units are connected to the second mains voltage phase in the operating state.
  • a “mains voltage phase” should be understood to mean in particular a phase of a household network, in particular exactly one phase of a household network.
  • the first mains current voltage phase and the second mains current voltage phase could in particular be phase-shifted, in particular at a phase angle of at least substantially 120°.
  • “At least a majority” should be understood to mean in particular a proportion, in particular a mass proportion and/or volume proportion and/or number proportion, of at least 70%, in particular of at least 80%, advantageously of at least 90% and preferably of at least 95%. This means that a large number of cooking utensils can be heated, in particular at the same time.
  • a total output power per mains voltage phase can be limited, which in particular enables low complexity, in particular in a calculation of output powers and/or time intervals by the control unit.
  • a total output power of heating units, which in the operating state are connected to a particularly single common mains voltage phase can be kept at least essentially constant, whereby in particular predetermined standards with regard to flicker can be adhered to.
  • the first total output power which is in particular a total output power provided by the first heating units, in the operating state a maximum of one value of one of the first mains voltage phase maximum power provided.
  • the second total output power which is in particular a total output power provided by the second heating units, in the operating state assumes a maximum value of a maximum power provided by the second mains voltage phase.
  • a “maximum power provided by a mains voltage phase” is intended to mean, in particular, a power which can be tapped and/or requested at most from the mains voltage phase in at least one operating state, in particular independently of a heating zone configuration and/or of the cooking utensils set up.
  • the maximum power provided by a mains voltage phase could, for example, assume a maximum value of 3600 W, in particular per mains voltage phase.
  • the control unit operates the first heating units and the second heating units independently of one another.
  • the control unit avoids in particular a boost mode and/or an assignment of at least two mains voltage phases to at least one of the heating units. In this way, overloading of the heating units can be avoided, which means that a long-lasting design can be achieved.
  • a small number of possible different heating powers per heating unit can be achieved, in particular in comparison to a higher maximum power provided by the first mains voltage phase, which in particular enables simple calculability and/or a simple control algorithm.
  • a cooking utensil could be set up in the first cooking surface sub-area and another cooking utensil that is different from the cooking utensil could be set up in the second cooking surface sub-area.
  • at least a large part of and advantageously each of the cooking utensils could in particular be set up at least to a large extent and advantageously completely in one of the cooking surface areas.
  • at least a first cooking utensil sub-area of the cooking utensil is set up in the first cooking surface sub-area and at least a second cooking utensil sub-area of the particular same cooking utensil is set up in the second cooking surface sub-area.
  • a particular cooking utensil is partially set up in the first cooking surface sub-area and in particular at the same time partially in the second cooking surface sub-area. This allows you to a cooking utensil, which is partially placed on each of the cooking surface areas, can in particular be optimally heated.
  • the control unit could operate the first heating units that heat the first cooking utensil sub-area and the second heating units heating the second cooking utensil sub-area at least in sections at the same time.
  • the first heating units and the second heating units with the same frequency and / or operate with frequencies different by at least 17 kHz, in particular by at least 18 kHz, advantageously by at least 19 kHz and preferably by at least 20 kHz, in order to avoid intermodulation hum in particular.
  • the control unit operates the first heating units that heat the first cooking utensil sub-area and the second heating units heating the second cooking utensil sub-area without overlapping in time.
  • the control unit first operates the first heating units that heat the first cooking utensil sub-area and in particular then the second heating units heating the second cooking utensil sub-area.
  • the control unit could first operate the second heating units that heat the second cooking utensil sub-area and in particular then operate the first heating units heating the first cooking utensil sub-area.
  • the control unit avoids, in particular, at least partially simultaneous operation of the first heating units heating the first cooking utensil sub-area and the second heating units heating the second cooking utensil sub-area, in particular in the case that it is possible to avoid intermodulation hum while at the same time keeping the total output power of the heating units defining the cooking surface sub-areas constant is.
  • intermodulation hum can be avoided particularly reliably, whereby a high level of operating comfort can be achieved.
  • a sum of an activation duration of the first heating units heating the first cooking utensil sub-area and an activation duration of the second heating units heating the second cooking utensil sub-area corresponds to a maximum of one period.
  • a sum is particularly advantageous an activation duration of the first heating units heating the first cooking utensil sub-area and an activation duration of the second heating units heating the second cooking utensil sub-area is less than a period.
  • variable cooking surface area could, for example, exclusively have the first cooking surface partial area and the second cooking surface partial area.
  • the variable cooking surface area has at least one fixedly defined third cooking surface subarea, in which at least a third cooking utensil subarea of the particular same cooking utensil is set up in the operating state. This allows, in particular, optimized and/or efficient heating of the cooking utensils.
  • the third heating units of the heating units defining the third cooking surface area is connected to a third mains voltage phase. At least some of the heating units define the third cooking surface area and are referred to below as third heating units.
  • the third heating units are connected to the third mains voltage phase in the operating state. This makes it possible in particular to heat the cooking utensils particularly quickly and/or to heat the cooking utensils with a high heating output.
  • control unit operates the first heating units and the second heating units in the operating state while avoiding intermodulation hum.
  • control unit could operate the first heating units and the second heating units in the operating state without overlapping in time.
  • control unit could operate the first heating units and the second heating units with an at least substantially the same frequency.
  • control unit could operate the first heating units and the second heating units with frequencies different by at least 17 kHz. In this way, a high level of operating comfort and/or low-noise, preferably silent heating of cooking utensils can be achieved.
  • control unit could be provided, in the event that it is impossible to avoid intermodulation hum while simultaneously keeping the total output power of the heating units defining the cooking surface subareas constant, to prioritize keeping the total output power of the heating units defining the cooking surface subareas constant and in particular to accept the occurrence of intermodulation humming.
  • control unit is intended to prioritize the avoidance of intermodulation hum while simultaneously keeping the total output power of the heating units defining the cooking surface subareas constant.
  • the control unit keeps the total output power of the heating units defining the cooking surface subareas at least substantially constant while at the same time avoiding intermodulation humming.
  • the control unit avoids the occurrence of intermodulation hum in particular in at least one further operating state, in which in particular it is impossible to avoid intermodulation hum while at the same time keeping the total output power of the heating units defining the cooking surface subareas constant, and in particular accepts minimal fluctuations in the total output power of the heating units defining the cooking surface subareas.
  • These fluctuations are arranged in a range which is contained by the phrase “at least substantially constant”.
  • control unit operates the first heating units and the second heating units in the operating state while avoiding the occurrence of flicker.
  • the control unit keeps the total output power of the first heating units and the total output power of the second heating units at least substantially constant in the operating state. In this way, a high level of operating comfort can be provided and/or the occurrence of flicker can be efficiently avoided.
  • control unit could be intended to prevent the occurrence of flicker and/or keeping the total output power of the heating units defining the cooking surface subareas constant while simultaneously heating the cooking utensils with a target heating power specified for the cooking utensils Flicker and / or keeping the total output power of the heating units defining the cooking surface areas constant.
  • control unit is intended to, in the event that it is impossible to avoid the occurrence of flicker and/or keep the total output power of the heating units defining the cooking surface subareas constant while simultaneously heating the cooking utensil with a target heating power specified for the cooking utensil, to heat the cooking utensil with the to prioritize the target heating power specified for the cooking utensils and in particular to accept the occurrence of flicker and / or at least a change and / or at least a jump in the total output power of the heating units defining the cooking surface subareas.
  • the control unit is advantageously intended to, in the operating state, in the event that it is impossible to avoid the occurrence of flicker and/or to keep the total output power of the heating units defining the cooking surface subareas constant while simultaneously heating the cooking utensil with the target heating power, the cooking utensil with the for To heat the cooking utensils specified target heating power and at the same time minimize the occurrence of flicker and / or at least a change and / or at least a jump in the total output power of the heating units defining the cooking surface areas. This means that particularly optimal cooking results can be achieved.
  • Optimum heating of cooking utensils can be achieved in particular by a hob, in particular by an induction hob, with at least one hob device according to the invention.
  • cooking utensils can be heated particularly advantageously by a method for operating a hob device with a plurality of heating units, which define at least one variable cooking surface area, which has at least one fixedly defined first cooking surface part area and at least one fixedly defined second cooking surface part area, wherein in at least one operating state, in which at least one part of a cooking utensil is placed in the cooking surface subareas, defining a total output power from the first cooking surface subarea first heating units of the heating units and a total output power from the second heating units of the heating units defining the second cooking surface area is kept at least substantially constant at all times.
  • compliance with regulations regarding flicker can be made more difficult for competitors, which in particular can result in high competitiveness.
  • the hob device should not be limited to the application and embodiment described above.
  • the hob device can have a number of individual elements, components and units that deviate from the number mentioned herein. Further advantages result from the following drawing description.
  • the drawing shows exemplary embodiments of the invention.
  • the drawing, description and claims contain numerous features in combination.
  • Fig. 1 shows a hob 40a, which is designed as an induction hob.
  • the hob 40a has a hob device 10a, which is designed as an induction hob device.
  • the hob device 10a has a stand plate 42a.
  • the stand plate 42a is designed as a hob plate.
  • the mounting plate 42a forms part of an outer hob housing, in particular an outer hob housing, in particular of the hob 40a.
  • the mounting plate 42a is intended for setting up cooking utensils 60a.
  • the hob device 10a has a plurality of heating units 12a for heating cooking utensils 60a. Of the multiple objects present in the figures, only one is provided with a reference number. In the present exemplary embodiment, the hob device 10a has fifty-six heating units 12a. The heating units 12a are arranged in an installed position below the mounting plate 42a. The heating units 12a are intended to heat cooking utensils 60a placed on the support plate 42a above the heating units 12a. The heating units 12a are designed as induction heating units in the present exemplary embodiment.
  • the hob device 10a has an operator interface 44a for inputting and/or selecting operating parameters, for example a heating power and/or a heating power density and/or a heating zone.
  • the operator interface 44a is intended to output a value of an operating parameter to an operator.
  • the hob device 10a has a control unit 38a.
  • the control unit 38a is intended to carry out actions and/or change settings depending on operating parameters entered via the operator interface 44a.
  • the control unit 38a regulates an energy supply to the heating units 12a in an operating state.
  • the heating units 12a define a variable cooking surface area 14a.
  • the variable cooking surface area 14a has a fixedly defined first cooking surface part area 16a and a fixedly defined second cooking surface part area 18a.
  • the first cooking surface portion 16a and the second cooking surface portion 18a are arranged adjacent to one another and in particular partially adjoin one another.
  • the first cooking surface portion 16a and the second cooking surface portion 18a are arranged adjacent to one another in a transverse direction 46a in the operating state.
  • First heating units 12a1 of the heating units 12a define the firmly defined first cooking surface section 16a.
  • a number of first heating units 12a1 is essentially 50% of a total number of heating units 12a.
  • the first heating units 12a1 of the heating units 12a defining the first cooking surface section 16a are connected to a first mains voltage phase 48a in the operating state.
  • Second heating units 12a2 of the heating units 12a define the firmly defined second cooking surface section 18a.
  • a number of second heating units 12a2 is essentially 50% of a total number of heating units 12a.
  • the second heating units 12a2 of the heating units 12a defining the second cooking surface section 18a are connected in the operating state to a second mains voltage phase 50a that is different from the first mains voltage phase 48a.
  • a cooking utensil 60a is set up in the cooking surface sections 16a, 18a.
  • a first cooking utensil 60a1 is partially placed in the first cooking surface section 16a and partly in the second cooking surface section 18a.
  • a first cooking utensil subarea 62a1 of the first cooking utensil 60a1 is set up in the first cooking surface subarea 16a and a second cooking utensil subarea 64a1 of the first cooking utensil 60a1 is set up in the second cooking surface subarea 18a.
  • a second cooking utensil 60a2 is completely set up in the first cooking surface section 16a.
  • a third cooking utensil 60a3 is completely set up in the second cooking surface section 18a.
  • the control unit 38a keeps a total output power from the first heating units 12a1 of the heating units 12a defining the first cooking surface subregion 16a essentially constant at all times.
  • the total output power from the first heating units 12a1 of the heating units 12a defining the first cooking surface portion 16a is referred to below as the first total output power.
  • the first total output power takes on a maximum value of a maximum power provided by the first mains voltage phase 48a.
  • the control unit 38a keeps a total output power from the second heating units 12a2 of the heating units 12a defining the second cooking surface portion 18a essentially constant at all times.
  • the total output power from the second heating units defining the second cooking surface portion 18a 12a2 of the heating units 12a is referred to below as the second total output power.
  • the second total output power takes on a maximum value of a maximum power provided by the second mains voltage phase 50a.
  • the control unit 38a operates the first heating units 12a1 which heat the first cooking utensil section 62a1 and the second heating units 12a2 which heat the second cooking utensil section 64a1 without overlapping in time (cf. Fig. 2 ).
  • the control unit 38a first operates the first heating units 12a1 which heat the first cooking utensil section 62a1 and then the second heating units 12a2 which heat the second cooking utensil section 64a1 (cf. Fig. 2 ).
  • the control unit 38a operates the first heating units 12a1 which heat the first cooking utensil section 62a1 and the second heating units 12a2 which heat the second cooking utensil section 64a1 within a particular single period Tsc.
  • a sum of an activation duration t on , ci of the first heating units 12a1 heating the first cooking utensil section 62a1 and an activation duration t on , CII of the second heating units 12a2 heating the second cooking utensil section 64a1 is smaller in the example shown than the period Tsc.
  • the control unit 38a operates the first heating units 12a1 and the second heating units 12a2 while avoiding flicker (cf. Fig. 3 ). To avoid flicker, in the operating state, the control unit 38a keeps the total output power from the first heating units 12a1 defining the first cooking surface portion 16a and the total output power from the heating units 12a2 of the heating units 12a defining the second cooking surface portion 18a essentially constant at all times.
  • control unit 38a operates the first heating units 12a1 and the second heating units 12a2 while avoiding intermodulation hum (cf. Fig. 2 ). In the operating state, the control unit 38a sets the output power of the heating units 12a via a respective frequency.
  • the control unit 38a selects an operating option from a catalog of operating options in the operating state. For example, the control unit 38a could avoid this in the operating state of intermodulation hum, operate the first heating units 12a1 and/or the second heating units 12a2 at least substantially at a substantially same frequency. This is in the figures, especially in Fig. 2 , 5 , 8th , 11 and 14 , marked by dashed hatching.
  • control unit 38a could operate the first heating units 12a1 and/or the second heating units 12a2 with frequencies that could differ by at least 17 kHz. This is in the figures, especially in Fig. 2 , 5 , 8th , 11 and 14 , marked by dash-dotted hatching.
  • control unit 38a could alternatively or additionally deactivate at least part of the first and/or the second heating units 12a1, 12a2 and at least part of the first and/or the second heating units 12a1, 12a2 with a specific frequency operate. This is in the figures, especially in Fig. 2 , 5 , 8th , 11 and 14 , marked by solid hatching.
  • the control unit 38a operates in a first time interval of the period T SC in the operating state first heating units 12a1, which are assigned to cooking utensils 60a set up in the first cooking surface subarea 16a, in particular the first cooking utensil subarea 62a1 and the second cooking utensil 60a2, with an essentially the same frequency (cf. Fig. 2 ).
  • the control unit 38a In a second time interval of the period Tsc, in the operating state, the control unit 38a operates first heating units 12a1, which are assigned to the second cooking utensil 60a2 set up in the first cooking surface section 16a, at a specific frequency and deactivates first heating units 12a1, which are set up in the first cooking surface section 16a are assigned to the first cooking utensil section 62a1.
  • a sum of the first time interval and the second time interval corresponds essentially and in particular completely to the period Tsc.
  • the control unit 38a keeps a total output power of activated first heating units 12a1 essentially constant at all times (cf. Fig. 3 ).
  • the control unit 38a operates in a first time interval of the period T SC in the operating state second heating units 12a2, which correspond to the third one set up in the second cooking surface section 18a
  • Cooking utensils 60a3 are assigned, with a certain frequency and deactivates second heating units 12a2, which are assigned to the second cooking utensil subarea 64a1 set up in the second cooking surface subarea 18a (cf. Fig. 2 ).
  • the control unit 38a In a second time interval of the period Tsc, in the operating state, the control unit 38a operates second heating units 12a2, which are assigned to cooking utensils 60a set up in the second cooking surface section 18a, in particular the second cooking utensil section 64a1 and the third cooking utensils 60a3, with a substantially same frequency.
  • a sum of the first time interval and the second time interval corresponds essentially and in particular completely to the period Tsc.
  • the control unit 38a keeps a total output power of activated second heating units 12a2 essentially constant at all times (cf. Fig. 3 ).
  • Fig. 4 shows another cooking utensil configuration.
  • a first cooking utensil 60a1 is partially placed in the first cooking surface section 16a and partly in the second cooking surface section 18a.
  • a first cooking utensil subarea 62a1 of the first cooking utensil 60a1 is set up in the first cooking surface subarea 16a and a second cooking utensil subarea 64a1 of the first cooking utensil 60a1 is set up in the second cooking surface subarea 18a.
  • a second cooking utensil 60a2 is completely set up in the first cooking surface section 16a.
  • a third cooking utensil 60a3 is completely set up in the first cooking surface section 16a.
  • a fourth cooking utensil 60a4 is completely set up in the second cooking surface section 18a.
  • the control unit 38a operates in a first time interval of the period T SC in the operating state first heating units 12a1, which are assigned to cooking utensils 60a set up in the first cooking surface subarea 16a, in particular the first cooking utensil subarea 62a1 and the second cooking utensil 60a2 and the third cooking utensil 60a3, with essentially the same frequency (cf. Fig. 5 ).
  • the control unit 38a operates first heating units 12a1, which are assigned to cooking utensils 60a set up in the first cooking surface subarea 16a, in particular the first cooking utensil subarea 62a1 and the second cooking utensil 60a2 and the third cooking utensil 60a3, with frequency in a second time interval of the period T SC , which differ by at least 17 kHz.
  • the operates Control unit 38a in the operating state first heating units 12a1, which are assigned to the second cooking utensil 60a2 and the third cooking utensil 60a3, with frequencies that differ by at least 17 kHz.
  • a sum of the first time interval, the second time interval and the third time interval corresponds essentially and in particular completely to the period Tsc.
  • the control unit 38a keeps a total output power of activated first heating units 12a1 essentially constant at all times (cf. Fig. 6 ).
  • the control unit 38a operates in a first time interval of the period T SC in the operating state second heating units 12a2, which are assigned to the fourth cooking utensil 60a4 set up in the second cooking surface section 18a, at a certain frequency and deactivates second heating units 12a2, which are in the second Cooking surface section 18a is assigned to the second cooking utensil section 64a1 (cf. Fig. 5 ).
  • the control unit 38a In a second time interval of the period Tsc, in the operating state, the control unit 38a operates second heating units 12a2, which are assigned to the second cooking utensil subarea 64a1 set up in the second cooking surface subarea 18a, at a specific frequency and deactivates second heating units 12a2, which are set up in the second cooking surface subarea 18a fourth cooking dishes 60a4 are assigned.
  • a sum of the first time interval and the second time interval corresponds essentially and in particular completely to the period Tsc.
  • the control unit 38a keeps a total output power of activated second heating units 12a2 essentially constant at all times (cf. Fig. 6 ).
  • Fig. 7 shows another cooking utensil configuration.
  • a first cooking utensil 60a1 is partially placed in the first cooking surface section 16a and partly in the second cooking surface section 18a.
  • a first cooking utensil subarea 62a1 of the first cooking utensil 60a1 is set up in the first cooking surface subarea 16a and a second cooking utensil subarea 64a1 of the first cooking utensil 60a1 is set up in the second cooking surface subarea 18a.
  • a second cooking utensil 60a2 is completely set up in the first cooking surface section 16a.
  • a third cooking utensil 60a3 is completely set up in the first cooking surface section 16a.
  • a fourth cooking utensil 60a4 is completely in the second cooking surface area 18a set up.
  • a fifth cooking utensil 60a5 is completely set up in the second cooking surface section 18a.
  • the control unit 38a operates in a first time interval of the period T SC in the operating state first heating units 12a1, which are assigned to cooking utensils 60a set up in the first cooking surface subarea 16a, in particular the first cooking utensil subarea 62a1 and the second cooking utensil 60a2 and the third cooking utensil 60a3, with essentially the same frequency (cf. Fig. 8 ).
  • the control unit 38a In the operating state, in a second time interval of the period T SC , the control unit 38a operates first heating units 12a1, which are assigned to the second cooking utensil 60a2 and the third cooking utensil 60a3, with frequencies that differ by at least 17 kHz, and deactivates first heating units 12a1, which are assigned to the first cooking utensil section 62a1.
  • the control unit 38a operates first heating units 12a1, which are assigned to the second cooking utensil 60a2 and the third cooking utensil 60a3, with frequencies that differ by at least 17 kHz, and deactivates first heating units 12a1, which are assigned to the second cooking utensil 60a2 and the third cooking utensil 60a3 are assigned to the first cooking utensil section 62a1.
  • a sum of the first time interval and the second time interval and the third time interval corresponds essentially and in particular completely to the period Tsc.
  • the control unit 38a keeps a total output power of activated first heating units 12a1 essentially constant at all times (cf. Fig. 9 ).
  • the control unit 38a operates in a first time interval of the period T SC in the operating state second heating units 12a2, which are assigned to the fourth cooking utensil 60a4 and the fifth cooking utensil 60a5, with frequencies that differ by at least 17 kHz, and deactivates second heating units 12a2 , which are assigned to the second cooking utensil section 64a1 (cf. Fig. 8 ).
  • the control unit 38a operates second heating units 12a2, which are assigned to the fourth cooking utensil 60a4, at a specific frequency and deactivates second heating units 12a2, which are assigned to the fifth cooking utensil 60a5 and the second cooking utensil section 64a1.
  • the control unit 38a operates second heating units 12a2 in the operating state, which are assigned to the second cooking utensil section 64a1 and the fifth cooking utensil 60a5 are, with frequencies that differ by at least 17 kHz, and deactivates second heating units 12a2, which are assigned to the fourth cooking utensil 60a4.
  • a sum of the first time interval and the second time interval and the third time interval corresponds essentially and in particular completely to the period Tsc.
  • the control unit 38a keeps a total output power of activated second heating units 12a2 essentially constant at all times (cf. Fig. 9 ).
  • the cooking utensil configuration shown corresponds to that in Fig. 4 Cookware configuration shown, which is why reference is made to the description above at this point. It is assumed below that it is impossible to simultaneously keep the total output power of the heating units 12a defining the cooking surface areas 16a, 18a constant and heat the cooking utensils 60a with target heating powers specified for the respective cooking utensil 60a.
  • the control unit 38a prioritizes heating the cooking utensils 60a with that for the corresponding cooking utensil 60a specified target heating output (cf. Fig. 12 ).
  • the control unit 38a operates in a first time interval of the period T SC in the operating state first heating units 12a1, which are assigned to cooking utensils 60a set up in the first cooking surface subarea 16a, in particular the first cooking utensil subarea 62a1 and the second cooking utensil 60a2 and the third cooking utensil 60a3, with essentially the same frequency (cf. Fig. 11 ).
  • the control unit 38a operates first heating units 12a1, which are assigned to cooking utensils 60a set up in the first cooking surface subarea 16a, in particular the first cooking utensil subarea 62a1 and the second cooking utensil 60a2 and the third cooking utensil 60a3, with frequencies in a second time interval of the period T SC , which differ by at least 17 kHz.
  • the control unit 38a operates in a third time interval of the period Tsc, which is referred to as an overlap time interval, in the operating state first heating units 12a1, which are placed in the first cooking surface section 16a of cooking utensils 60a, in particular the first cooking utensil section 62a1 and the second cooking utensil 60a2 and the third cooking utensil 60a3 , are assigned, and second Heating units 12a2, which are assigned to cooking utensils 60a placed in the second cooking surface portion 18a, in particular the second cooking utensil portions 64a1 and the fourth cooking utensils 60a4, with a substantially same frequency.
  • the control unit 38a operates first heating units 12a1, which are assigned to the second cooking utensil 60a2 and the third cooking utensil 60a3, at frequencies that differ by at least 17 kHz.
  • a sum of the first time interval and the second time interval and the third time interval and the fourth time interval corresponds essentially and in particular completely to the period Tsc.
  • a total output power of activated first heating units 12a1 in the overlap time interval is lower than a total output power of activated first heating units 12a1 in remaining time intervals of the period Tsc (cf. Fig. 12 ).
  • the control unit 38a operates in a first time interval of the period T SC in the operating state second heating units 12a2, which are assigned to the fourth cooking utensil 60a4 set up in the second cooking surface section 18a, at a certain frequency and deactivates second heating units 12a2, which are in the second Cooking surface section 18a is assigned to the second cooking utensil section 64a1 (cf. Fig. 11 ).
  • a second time interval corresponds to the overlap time interval, which is why reference is made to the above description at this point.
  • the control unit 38a operates second heating units 12a2, which are assigned to the second cooking utensil section 64a1, at a specific frequency and deactivates second heating units 12a2, which are assigned to the fourth cooking utensil 60a4.
  • a sum of the first time interval and the second time interval and the third time interval corresponds essentially and in particular completely to the period Tsc.
  • a total output power of activated second heating units 12a2 in the overlap time interval is lower than a total output power of activated second heating units 12a2 in remaining time intervals of the period T SC (cf. Fig. 12 ).
  • the control unit 38a could be assigned to first heating units 12a1, which are assigned to cooking utensils 60a set up in the first cooking surface subarea 16a, in particular to the first cooking utensil subarea 62a1 and the second cooking utensils 60a2 and the third cooking utensils 60a3 are, and second heating units 12a2, which are assigned to cooking utensils 60a set up in the second cooking surface subarea 18a, in particular the second cooking utensil subarea 64a1 and the fourth cooking utensils 60a4, operate at frequencies which could differ by at least 17 kHz.
  • a total output power from the first heating units 12a1 of the heating units 12a defining the first cooking surface subregion 16a and a total output power from the second heating units 12a2 of the heating units 12a defining the second cooking surface portion 18a are kept essentially constant at all times.
  • Fig. 13 to 15 Another embodiment of the invention is shown. The following descriptions are essentially limited to the differences between the exemplary embodiments, with regard to the same components, features and functions being referred to the description of the exemplary embodiment Fig. 1 to 12 can be referred. To distinguish between the exemplary embodiments, the letter a is in the reference numerals of the exemplary embodiment in the Fig. 1 to 12 by the letter b in the reference numbers of the exemplary embodiment Fig. 13 to 15 replaced. With regard to components with the same designation, in particular with regard to components with the same reference numerals, one can in principle also refer to the drawings and/or the description of the exemplary embodiment Fig. 1 to 12 to get expelled.
  • Fig. 13 shows a hob 40b, which is designed as an induction hob, with a hob device 10b, which is designed as an induction hob device.
  • Heating units 12b of the hob device 10b define a variable cooking surface area 14b.
  • the variable cooking surface area 14b has a fixedly defined first cooking surface part area 16b and a fixedly defined second cooking surface part area 18b and a fixedly defined third cooking surface part area 20b.
  • the first cooking surface portion 16b and the second cooking surface portion 18b and the third cooking surface portion 20b are arranged adjacent to one another and in particular partially adjoin one another, in particular in a transverse direction 46b.
  • First heating units 12b1 of the heating units 12b define the firmly defined first cooking surface section 16b.
  • the first heating units 12b1 of the heating units 12b defining the first cooking surface section 16b are connected to a first mains voltage phase 48b in the operating state.
  • Second heating units 12b2 of the heating units 12b define the firmly defined second cooking surface section 18b.
  • the second heating units 12b2 of the heating units 12b defining the second cooking surface section 18b are connected in the operating state to a second mains voltage phase 50b that is different from the first mains voltage phase 48b.
  • Third heating units 12b3 of the heating units 12b define the firmly defined third cooking surface section 20b.
  • the third heating units 12b3 of the heating units 12b defining the third cooking surface section 20b are connected in the operating state to a third mains voltage phase 52b which is different from the first mains voltage phase 48b and from the second mains voltage phase 50b.
  • a cooking utensil 60b is set up in each of the cooking surface areas 16b, 18b, 20b.
  • a first cooking utensil 60b1 is placed partly in the first cooking surface subarea 16b and partly in the second cooking surface subregion 18b and partly in the third cooking surface subregion 20b.
  • a first cooking utensil sub-area 62b1 of the first cooking utensil 60b1 is set up in the first cooking surface sub-area 16b and a second cooking utensil sub-area 64b1 of the first cooking utensil 60b1 is set up in the second cooking surface sub-area 18b and a third cooking utensil sub-area 66b1 of the first cooking utensil 60b1 is set up in the third cooking surface sub-area 20b.
  • a second cooking utensil 60b2 is completely set up in the first cooking surface section 16b.
  • a third cooking utensil 60b3 is set up completely in the second cooking surface section 18b.
  • a fourth cooking utensil 60b4 is completely set up in the third cooking surface section 20b.
  • the control unit 38b operates the first heating units 12b1 which heat the first cooking utensil section 62b1 and the second heating units 12b2 which heat the second cooking utensil section 64b1 and the third heating units 12b3 which heat the third cooking utensil section 66b1 without overlapping in time (cf. Fig. 14 ).
  • the control unit 38b operates the first heating units 12b1 which heat the first cooking utensil section 62b1 and the second heating units 12b2 which heat the second cooking utensil section 64b1 and the third heating units 12b3 which heat the third cooking utensil section 66b1 within a particular single period Tsc.
  • the control unit 38b operates first heating units 12b1, which are assigned to the first cooking utensil section 62b1, at a certain frequency in a first time interval of the period T SC in the operating state and deactivates first heating units 12b1, which are assigned to the second cooking utensil 60b2 (cf. Fig. 14 ).
  • the control unit 38b In a second time interval of the period T SC, in the operating state, the control unit 38b operates first heating units 12b1, which are assigned to the second cooking utensil 60b2, at a certain frequency and deactivates first heating units 12b1, which are assigned to the first cooking utensil subarea 62b1 set up in the first cooking surface subarea 16b .
  • a sum of the first time interval and the second time interval corresponds essentially and in particular completely to the period Tsc.
  • the control unit 38b keeps a total output power of activated first heating units 12b1 essentially constant at all times (cf. Fig. 15 ).
  • the control unit 38b operates second heating units 12b2, which are assigned to the third cooking utensil 60a3, at a certain frequency in a first time interval of the period T SC and in a third time interval of the period T SC in the operating state and deactivates second heating units 12b2, which are assigned to the third cooking utensil 60a3 second cooking utensil subarea 62b1 are assigned (cf. Fig. 14 ).
  • the control unit 38b In a second time interval of the period Tsc, in the operating state, the control unit 38b operates first heating units 12b1, which are assigned to the second cooking utensil section 64b1, at a specific frequency and deactivates first heating units 12b1, which are assigned to the third cooking utensil 60b3. A sum of the first time interval and the second time interval essentially corresponds and in particular completely the period Tsc. In the operating state, the control unit 38b keeps a total output power of activated second heating units 12b2 essentially constant at all times (cf. Fig. 15 ).
  • the control unit 38b operates third heating units 12b3, which are assigned to the fourth cooking utensil 60b4, at a certain frequency in a first time interval of the period T SC in the operating state and deactivates third heating units 12b3, which are assigned to the third cooking utensil subarea 66b1 (cf. Fig. 14 ).
  • the control unit 38b operates third heating units 12b3, which are assigned to the third cooking utensil section 66b1, at a specific frequency and deactivates third heating units 12b3, which are assigned to fourth cooking utensils 60b4.
  • a sum of the first time interval and the second time interval corresponds essentially and in particular completely to the period Tsc.
  • the control unit 38b keeps a total output power from activated third heating units 12b3 essentially constant at all times (cf. Fig. 15 ).

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cookers (AREA)
  • Electric Stoves And Ranges (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Baking, Grill, Roasting (AREA)

Claims (12)

  1. Dispositif de champ de cuisson, en particulier dispositif de champ de cuisson à induction, avec une pluralité d'unités de chauffe (12a-b), lesquelles définissent au moins une zone de surface de cuisson variable (14a-b), laquelle présente au moins une première zone partielle de surface de cuisson définie de manière fixe (16a-b) et au moins une deuxième zone partielle de cuisson définie de manière fixe (18a-b), caractérisé en ce que au moins une unité de commande (38a-b), laquelle maintient, dans au moins un état de fonctionnement, dans lequel respectivement au moins une partie d'un élément de batterie de cuisine (60a-b) est posée dans les zones partielles de surface de cuisson (16a-b, 18a-b), une puissance de sortie totale, à savoir une somme des puissances de sortie de l'ensemble des unités de chauffe (12a-b) définissant la zone partielle de surface de cuisson (16a-b, 18a-b) en un instant donné, des premières unités de chauffe (12a1-b1) des unités de chauffe (12a-b) définissant la première zone partielle de surface de cuisson (16a-b) et une puissance de sortie totale des deuxièmes unités de chauffe (12a2-b2) des unités de chauffe (12a-b) définissant la deuxième zone partielle de surface de cuisson (18a-b) au moins essentiellement constantes à chaque instant, et en ce que l'unité de commande (38a-b) règle dans l'état de fonctionnement une puissance de sortie totale en un quelconque instant et une puissance de sortie totale supplémentaire en un quelconque instant supplémentaire de telle sorte qu'un quotient d'une plus petite des puissances de sortie totales et d'une plus grande des puissances de sortie totales atteint au moins 0,9.
  2. Dispositif de champ de cuisson selon la revendication 1, caractérisé en ce que dans l'état de fonctionnement, au moins une majeure partie des premières unités de chauffe (12a1-b1) est raccordée à une première phase de tension de courant de secteur (48a-b) et au moins une majeure partie des deuxièmes unités de chauffe (12a2-b2) est raccordée à une deuxième phase de tension de courant de secteur (50a-b) différente de la première phase de tension de courant de secteur (48a-b).
  3. Dispositif de champ de cuisson selon la revendication 2, caractérisé en ce que la première puissance de sortie totale adopte, dans l'état de fonctionnement, au maximum une valeur d'une puissance maximale mise à disposition par la première phase de tension de courant de secteur (48a-b).
  4. Dispositif de champ de cuisson selon l'une des revendications précédentes, caractérisé en ce que dans l'état de fonctionnement, au moins une première zone partielle d'élément de batterie de cuisine (62a-b) de l'élément de batterie de cuisine (60a-b) est posée dans la première zone partielle de surface de cuisson (16a-b) et au moins une deuxième zone partielle d'élément de batterie de cuisine (64a-b) de l'élément de batterie de cuisine (60a-b) est posée dans la deuxième zone partielle de surface de cuisson (18a-b).
  5. Dispositif de champ de cuisson selon la revendication 4, caractérisé en ce que l'unité de commande (38a-b) exploite sans chevauchement temporel, dans l'état de fonctionnement, les premières unités de chauffe (12a1-b1) chauffant la première zone partielle d'élément de batterie de cuisine (62a-b) et les deuxièmes unités de chauffe (12a2-b2) chauffant la deuxième zone partielle d'élément de batterie de cuisine (64a-b).
  6. Dispositif de champ de cuisson selon la revendication 4 ou 5, caractérisé en ce que dans l'état de fonctionnement, une somme d'une durée d'activation des premières unités de chauffe (12a1-b1) chauffant la première zone partielle d'élément de batterie de cuisine (62a-b) et d'une durée d'activation des deuxièmes unités de chauffe (12a2-b2) chauffant la deuxième zone partielle d'élément de batterie de cuisine (64a-b) correspond au maximum à une durée de période.
  7. Dispositif de champ de cuisson selon l'une des revendications 4 à 6, caractérisé en ce que la zone de surface de cuisson variable (14b) présente au moins une troisième zone partielle de surface de cuisson définie de manière fixe (20b) dans laquelle au moins une troisième zone partielle d'élément de batterie de cuisine (66b) de l'élément de batterie de cuisine (60b) est posée dans l'état de fonctionnement.
  8. Dispositif de champ de cuisson au moins selon les revendications 2 et 7, caractérisé en ce que dans l'état de fonctionnement, au moins une majeure partie des troisièmes unités de chauffe (12b3) des unités de chauffe (12b) définissant la troisième zone partielle de surface de cuisson (20b) est raccordée à une troisième phase de tension de courant de secteur (52b).
  9. Dispositif de champ de cuisson selon l'une des revendications précédentes, caractérisé en ce que l'unité de commande (38a-b) exploite, dans l'état de fonctionnement, les premières unités de chauffe (12a1-b1) et les deuxièmes unités de chauffe (12a2-b2) en évitant un bourdonnement d'intermodulation.
  10. Dispositif de champ de cuisson selon l'une des revendications précédentes, caractérisé en ce que l'unité de commande (38a-b) est prévue afin de prioriser la chauffe de l'élément de batterie de cuisine (60a-b) selon la puissance de chauffe théorique prescrite pour l'élément de batterie de cuisine (60a-b) dans le cas où un maintient constant des puissances de sortie totales des unités de chauffe (12a-b) définissant les zones partielles de surface de cuisson (16a-b, 18a-b, 20a-b) est impossible en présence d'un chauffage concomitant de l'élément de batterie de cuisine (60a-b) selon une puissance de chauffe théorique prescrite pour l'élément de batterie de cuisine (60a-b).
  11. Champ de cuisson, en particulier champ de cuisson à induction, avec au moins un dispositif de champ de cuisson (10a-b) selon l'une des revendications précédentes.
  12. Procédé d'exploitation d'un dispositif de champ de cuisson (10a-b), en particulier selon l'une des revendications 1 à 10 avec une pluralité d'unités de chauffe (12a-b), lesquelles définissent au moins une zone de surface de cuisson variable (14a-b), laquelle présente au moins une première zone partielle de surface de cuisson définie de manière fixe (16a-b) et au moins une deuxième zone partielle de cuisson définie de manière fixe (18a-b), caractérisé en ce que dans au moins un état de fonctionnement, dans lequel respectivement au moins une partie d'un élément de batterie de cuisine (60a-b) est posée dans les zones partielles de surface de cuisson (16a-b, 18a-b), une puissance de sortie totale, à savoir une somme des puissances de sortie de l'ensemble des unités de chauffe (12a-b) définissant la zone partielle de surface de cuisson (16a-b, 18a-b) en un instant donné, des premières unités de chauffe (12a1-b1) des unités de chauffe (12a-b) définissant la première zone partielle de surface de cuisson (16a-b) et une puissance de sortie totale des deuxièmes unités de chauffe (12a2-b2) des unités de chauffe (12a-b) définissant la deuxième zone partielle de surface de cuisson (18a-b) sont au moins essentiellement maintenues constantes à chaque instant, et en ce que dans l'état de fonctionnement une puissance de sortie totale en un quelconque instant et une puissance de sortie totale supplémentaire en un quelconque instant supplémentaire sont réglées de telle sorte qu'un quotient d'une plus petite des puissances de sortie totales et d'une plus grande des puissances de sortie totales atteint au moins 0,9.
EP18822145.1A 2018-01-08 2018-11-26 Dispositif table de cuisson Active EP3738408B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201830018A ES2719130A1 (es) 2018-01-08 2018-01-08 Dispositivo de campo de coccion
PCT/IB2018/059298 WO2019135115A1 (fr) 2018-01-08 2018-11-26 Dispositif table de cuisson

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EP3738408A1 EP3738408A1 (fr) 2020-11-18
EP3738408B1 true EP3738408B1 (fr) 2023-09-27

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2872258B1 (fr) * 2004-06-25 2006-11-10 Brandt Ind Sas Table de cuisson a plusieurs zones de cuisson
ES2304892B1 (es) * 2007-04-09 2009-06-04 Bsh Electrodomesticos España, S.A. Campo de coccion y procedimiento para el accionamiento de un campo de coccion.
ES2329211B1 (es) * 2007-08-07 2010-08-30 Bsh Electrodomesticos España, S.A. Circuito de dispositivo de coccion.
ES2382431B1 (es) * 2009-07-29 2013-05-08 BSH Electrodomésticos España S.A. Aparato de coccion con al menos dos zonas de calentamiento
FR2978530B1 (fr) * 2011-07-26 2013-08-02 Fagorbrandt Sas Table de cuisson et procede de commande en fonctionnement d'une table de cuisson
FR2984463B1 (fr) * 2011-12-16 2017-12-22 Fagorbrandt Sas Table de cuisson comprenant au moins deux parties de cuisson d'un plan de cuisson
ES2866624T3 (es) * 2013-08-02 2021-10-19 Bsh Hausgeraete Gmbh Dispositivo de campo de cocción
DE102014105161B4 (de) * 2014-04-11 2023-03-23 Miele & Cie. Kg Verfahren zum Betreiben einer Kochfeldeinrichtung und Kochfeldeinrichtung

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ES2961692T3 (es) 2024-03-13
EP3738408A1 (fr) 2020-11-18
WO2019135115A1 (fr) 2019-07-11
ES2719130A1 (es) 2019-07-08

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