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EP3082378A1 - Hotplate device - Google Patents

Hotplate device Download PDF

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Publication number
EP3082378A1
EP3082378A1 EP16159628.3A EP16159628A EP3082378A1 EP 3082378 A1 EP3082378 A1 EP 3082378A1 EP 16159628 A EP16159628 A EP 16159628A EP 3082378 A1 EP3082378 A1 EP 3082378A1
Authority
EP
European Patent Office
Prior art keywords
area
cooking
heating
hob
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16159628.3A
Other languages
German (de)
French (fr)
Other versions
EP3082378B1 (en
Inventor
Carlos Franco Gutierrez
Eduardo Imaz Martinez
Teresa Del Carmen Marzo Alvarez
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
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3082378A1 publication Critical patent/EP3082378A1/en
Application granted granted Critical
Publication of EP3082378B1 publication Critical patent/EP3082378B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12Cooking devices
    • 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
    • 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
    • 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
    • H05B2213/05Heating plates with pan detection means
    • 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
    • H05B2213/07Heating plates with temperature control means

Definitions

  • the invention relates to a hob device according to claim 1 and a method for operating a hob device according to claim 12.
  • the object of the invention is in particular to provide a generic device with improved properties in terms of ease of use.
  • the object is achieved by the features of claims 1 and 12, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.
  • a cooktop device in particular an induction cooktop device, with at least one variable cooktop area, which has at least one partial area, which is provided for carrying out special heating processes, and with a control unit, which is provided, in the case of a detection of an erected cooking utensil in the subarea in particular, to automatically offer a catalog of several special heating processes for selection to a user and / or to issue, in particular to propose.
  • a "cooktop device” should in particular be understood as meaning at least one part, in particular a subassembly, of a cooktop, in particular an induction cooktop.
  • the hob device may also comprise the entire hob, in particular the entire induction hob.
  • a "variable cooktop area” is to be understood in particular as an area on a side of a cooktop panel, in particular of the cooktop unit, facing an operator in an installed position, which is in particular spanned by at least two heating elements and which is advantageous in any particular operating state for heating at least one cookware, which is placed in the installed position, in particular at an arbitrary position on the hob plate in the area spanned by the heating elements is, is provided.
  • the control unit assigns at least one heating zone to at least one cooking utensil arranged within the variable cooking surface area and operates the cooking utensil in particular with a heating power and / or heating power density assigned to the cooking utensil.
  • the hob device comprises at least two, in particular at least four, advantageously at least six, particularly advantageously at least eight, preferably at least ten, preferably at least twelve and more preferably at least fifteen heating elements defining the variable cooking surface area and advantageously in the form of a particular common and advantageous single Matrix are arranged.
  • the heating elements are arranged in particular in a spatial proximity to one another, wherein in particular a gap, in particular at least 40%, advantageously at least 60% and preferably at least 80% of at least one extension of a heating element of the heating elements, between the heating elements is excluded.
  • each other nearest arbitrary heating elements of the heating elements a maximum distance of at most 10 cm, in particular of at most 7 cm, advantageously of at most 5 cm, more preferably of at most 3 cm and preferably of at most 2 cm.
  • the heating elements cover an area fraction of at least 70%, in particular of at least 75%, advantageously of at least 80%, particularly advantageously of at least 85% and preferably of at least 90% of the variable cooking surface area.
  • the variable cooktop area has a total area which, in the installed position and in at least one mounted state, extends in particular over at least 70%, advantageously at least 80% and particularly advantageously at least 90%, of a surface of the cooktop panel.
  • the variable cooking surface area in the installation position is arranged in particular on the side of the hob plate facing an operator.
  • the cooktop device comprises in particular at least one sensor, such as a contact sensor and / or an optical sensor and / or an NTC resistor and / or a PTC resistor, wherein the sensor is in particular provided, at least one temperature of at least one in the variable cooktop area detected cooking utensils.
  • the sensor could be arranged in particular in the installation position in the variable cooking surface area below the hob plate. Alternatively or additionally, the sensor could be arranged in the installed position above the hob plate and in particular with the Hob plate connected and / or attached to the hob plate. Alternatively or additionally, the sensor could be provided for attachment to the cooking utensils.
  • the hob device comprises at least one hob plate, which is provided in particular for setting up cooking utensils.
  • a "partial area" of the variable cooktop area is to be understood in particular as part and / or portion of the variable cooktop area having an area corresponding to a total area of the variable cooktop area or smaller than the total area of the cooktop variable area, the area being at least one Has minimum size, which is defined in particular by an areal extent of the sensor, and wherein the surface is defined in particular in at least one operating state by an areal extent of a set up at least partially on the sensor cooking utensils.
  • a "special” heating process should be understood to mean, in particular, a heating process which involves a normal heating of a set up cooking utensil, in which, following a detection of the cooking utensil, an operating input of at least one operating parameter, in particular an average heating power and / or a heating power level and / or an average heating power density, by means of an operating unit is required and in which the cooking utensil is heated in particular at most with a heating power provided by an inverter deviates.
  • a "control unit” is to be understood 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 in particular provided to control at least the heating elements and in particular at least one power electronics supplying the heating elements / or to regulate.
  • the control unit preferably comprises a computing unit and, in particular in addition to the computing unit, a memory unit with a control and / or regulating program stored therein, which is intended to be executed by the computing unit.
  • the term “automatically” is intended in particular to be understood automatically and / or, in particular with the exception of setting up at least one cooking utensil while avoiding an action of an operator.
  • a “catalog” of several heating processes is to be understood as meaning, in particular, a selection of at least two, in particular of at least three and advantageously of at least four, particularly advantageously of at least five, preferably at least seven and particularly preferably at least ten heating processes.
  • a catalog of several special heating processes shall in particular be understood to mean that the control unit provides the catalog of several special heating processes to an electrical and / or electronic unit and / or that the control unit keeps the catalog of several special heating processes by means of an operating unit, which in particular has an output unit outputs, such as optically and / or acoustically by means of the operating unit, in particular the output unit.
  • the inventive design in particular a high ease of use can be achieved.
  • a large number of special heating processes can be made available and / or a high level of flexibility can be made possible.
  • An operator can be taught a great deal of experience in this use in particular by frequent use of special heating processes, whereby a high level of customer satisfaction achieved and / or faster handling of the special heating processes can be achieved.
  • a high level of safety can be made possible by the sensor of the cooktop device, since a temperature of the cooking utensil erected in the subarea can be constantly monitored.
  • the partial area is smaller than the variable cooking surface area.
  • the partial area could in particular make up an area fraction of at least 10%, in particular of at least 20%, advantageously of at least 30% and preferably of at least 35% of the variable cooking surface area.
  • the portion could be a surface extension of at least 300 cm 2, especially at least 600 cm 2, have advantageously at least 900 cm 2, and preferably of at least 1200 cm 2.
  • the variable cooking surface area for example, could have a maximum and / or total areal extent of at least substantially 3000 cm 2 .
  • a size of the partial area could be fixed, wherein the size and / or position could be defined in particular by an arrangement of at least two and advantageously by at least three sensors.
  • the subarea could be optically marked.
  • a size of the subregion is variable and, in particular, is dependent on a size of the cooking utensil.
  • the size of the subarea could be adjustable by means of a control unit, wherein, in particular, certain heating elements and / or a specific area of the variable cooktop area could be selectable.
  • control unit for combining heating elements covered by the cooking utensil to form a heating zone in the event of detection of an erected cooking utensil, wherein the heating elements defining the cooking utensil define a size of the portion.
  • the size of the subregion is at least substantially dependent on a size of a bottom surface of the cooking utensil.
  • a "size" of a region and / or element is to be understood in at least one operating state and / or in a mounting position, in particular a surface extension of the region and / or element in a main plane of extension of the hob plate.
  • a "main extension plane" of an object should be understood to mean, in particular, a plane which is parallel to a largest side surface of a smallest imaginary cuboid which just completely surrounds the object, and in particular runs through the center of the cuboid.
  • a size of the subregion can be adapted in particular to any type of cooking utensil, which in particular avoids unnecessary activation of heating elements which are not required and / or an energy-efficient design can be made possible.
  • the subregion has at least one sensor region which at least essentially defines a position of the subregion.
  • the partial area has a minimum size, which is defined in particular by the sensor area.
  • a position of the partial area and / or the sensor area could be displayed in the variable cooking surface area, in particular by a marking on a surface of the hob plate and / or by a light source arranged in the installed position below the hob plate.
  • a position of the subarea and / or the sensor area in the variable cooktop area could be output, in particular acoustically and / or optically, advantageously by means of a display, in particular by means of an output unit, which could in particular be part of an operating unit.
  • a "sensor region” is to be understood in particular to mean a region which is provided for measuring and / or measuring by at least one sensor and which defines, in particular, an areal extent which is detectable by the sensor, in particular measurable and / or measurable, in the main extension plane of the cooktop plate is.
  • the sensor is arranged at least to a large extent in the sensor area.
  • the senor could be arranged at a distance from the sensor region and in particular be connected to the sensor region by means of at least one waveguide, for example a glass fiber cable.
  • the sensor is provided in particular for a detection of cooking utensils set up and / or for a detection of a temperature of at least one set up cooking utensil.
  • the sensor region could be arranged in an edge region and / or in a center and / or in a center of gravity of the subregion.
  • a simple operation can be made possible and / or a marking of the position of the partial area can be facilitated.
  • the cooktop device comprises at least one infrared sensor which is provided to detect at least one temperature of cooking utensils placed in the subarea.
  • the infrared sensor advantageously has at least one infrared sensor region, which in particular coincides with the sensor region of the partial region and / or is identical to the sensor region of the partial region and / or is connected to the sensor region of the partial region by means of at least one waveguide.
  • the sensor and the infrared sensor are integrally formed.
  • the cooktop device could have at least one sensor unit, which could be provided for the detection of erected cooking utensils and which, in particular, could be formed at least partially in one piece with the heating elements.
  • the sensor and preferably the infrared sensor, is / are provided for the detection of cooking utensils installed in the subarea.
  • the sensor unit and the sensor and / or the infrared sensor integrally formed.
  • the catalog comprises at least one temperature-controlled heating process and / or at least one boost heating process and / or at least one heating process using previous heating settings and / or at least one grill heating process.
  • a "temperature-controlled heating process” should in particular be understood to mean a heating process in which the control unit in particular regulates a particular current temperature of at least one cooking utensil set up in the subarea to a desired temperature.
  • the desired temperature could for example be preprogrammed, such as, for example, as part of a particular multi-part heating process and / or a particular multi-part recipe.
  • the setpoint temperature could be predetermined, for example, by an operator input by means of the operating unit.
  • a "boost heating process” should in particular be understood to mean a heating process in which the control unit operates at least one heating element which is assigned to a set up cooking appliance over a particular predetermined period of time with a heating power density exceeding a normal heating power density.
  • the normal heating power is, in particular, a heating power density, which generates the heating element assigned to the erected cooking appliance, in particular due to an energy permanently supplied to the heating element by a supply element and / or which can be adjusted directly by means of an operating unit, in particular by an operator, in particular avoiding the use of a special heating process is, wherein the control unit is the supply element in particular under control of a maximum utilization of the supply element controls and / or the heating element supplies an energy which is smaller than a maximum energy supplied to the heating element.
  • the control unit operates, in particular, the heating element associated with the raised cooking appliance with at least two supply elements, wherein an energy supplied to the heating element reaches in particular a maximum energy that can be supplied to the heating element and / or exceeds a maximum utilization of a particular individual supply element.
  • the control unit could be provided to operate at least one of the pot and / or the pan associated heating element in the boost heating process in the event of detection of at least one raised pot and / or at least one set-up pan.
  • the hob device includes at least one power electronics with at least two supply elements, which could be formed, for example, as an inverter and / or inverter.
  • a "heating process using previous heating settings” should in particular be understood to mean a heating process in which the control unit, in particular following a change in a position of at least one cooking utensil placed in the partial area, from a first position, in particular within the partial area, to a second position, in particular within of the sub-area assigns a heating setting assigned to the cooking utensils in the first position, in particular automatically and / or after confirmation by an operating input by means of the operating unit, to the cooking utensil arranged in the second position.
  • the heating setting could, for example, have a desired temperature of the cooking utensil and / or a heating power density supplied to the cooking utensil and / or a time setting, such as a remaining and / or already expired cooking time.
  • a "grill heating process” should in particular be understood to mean a heating process in which the control unit regulates a current temperature of at least one exhibited cooking utensil to a value which is in particular at least 110%, advantageously at least 120%, particularly advantageously at least 130%, preferably at least 140 % and preferably at least 150% of a value during cooking and / or roasting, and / or in particular at least 220 ° C, preferably at least 240 ° C, particularly advantageous at least 260 ° C, preferably at least 280 ° C and preferably at least 300 ° C.
  • a high degree of flexibility can be achieved and / or a high level of comfort for an operator can be achieved.
  • a method for operating a hob device is proposed, with at least one variable cooking surface area having at least a portion in which special heating processes are feasible, wherein in the case of detection of an erect cooking dishes in the sub-area in particular an operator automatically a catalog of several special heating processes offered for selection and / or issued, in particular proposed, is.
  • This can be achieved in particular a high ease of use.
  • a large number of special heating processes can be made available and / or a high level of flexibility can be made possible.
  • the hob device should not be limited to the application and embodiment described above.
  • the cooktop apparatus may have a number different from a number of individual elements, components and units mentioned herein.
  • Fig. 1 shows a hob 26, which is formed as an induction hob, with a Hob device 10, which is designed as an induction hob device.
  • the cooktop apparatus 10 includes a cooktop panel 28. In an assembled condition, the cooktop panel 28 forms part of an outer housing, particularly an outer housing of the cooktop 26.
  • the cooktop panel 28 is provided for erecting cooking utensils 18 (see FIG. Fig. 2 to 5 ).
  • the hob apparatus 10 includes a variable cooking surface area 12 (see FIG. Fig. 1 to 5 ).
  • the variable cooking surface area 12 has at least one heating element 30.
  • the variable cooktop area 12 has forty-eight heating elements 30.
  • the variable cooking surface area could have a larger and / or a smaller number of heating elements.
  • the variable cooktop area 12 is intended to heat cooking dishes 18 placed on the cooktop panel 28 above the heating elements 30.
  • the hob device 10 comprises an operating unit 32 (cf. Fig. 1 to 5 ).
  • the operating unit 32 is provided for an input and / or selection of operating parameters, for example a heating power and / or a heating power density and / or a heating zone.
  • the operating unit 32 is provided for outputting a value of an operating parameter to an operator.
  • the cooktop device 10 comprises a control unit 16.
  • the control unit 16 is provided for carrying out actions and / or changing settings as a function of operating parameters entered by means of the operating unit 32.
  • the control unit 16 controls a power supply to the heating elements 30 in a heating operation state.
  • the variable cooking surface area 12 has two partial areas 14 (cf. Fig. 2 to 5 ). In the following, only one of the partial areas 14 will be described.
  • the portion 14 is defined by a number of heating elements 30 of the variable cooking surface area 12. In the following, only one of the heating elements 30 will be described.
  • the partial area 14 is provided for carrying out a number of special heating processes.
  • the hob device 10 includes a sensor unit 34, which is provided for a detection of erected cooking utensils 18.
  • the control unit 16 automatically offers an operator a catalog of several special heating processes for selection.
  • the control unit 16 outputs the catalog for selection to the operator in the event of detection of an erected cooking utensil 18 in the partial area 14 by means of the operating unit 32 (cf. Fig. 4 ).
  • the catalog has a number of eight special heating processes. Alternatively, the catalog could have a greater or lesser number of special heating processes.
  • the hob device 10 comprises at least one sensor 36 (cf. Fig. 1 to 5 ) provided for detecting a temperature of the erected cooking utensil 18.
  • the hob device 10 comprises two sensors 36. Only one of the sensors 36 will be described below.
  • the sensor 36 is arranged in an installed position below the hob plate 28. In the installed position, the sensor 36 is arranged in the partial area 14.
  • the sensor 36 is provided for detecting the raised cooking utensil 18.
  • the sensor 36 and the sensor unit 34 are partially formed in one piece.
  • the sensor unit 34 is provided for detecting cooking utensil 18 set up in the variable cooktop area 12 outside the subarea 14.
  • the partial area 14 is smaller than the variable cooking surface area 12.
  • the partial area 14 has a size that depends on a size of the set up cooking utensil 18 (cf. Fig. 2 ). In the case of a first cooking utensil 18 'set up in the partial region 14', which has a small bottom surface, the partial region 14 'is smaller than in the case of a second cooking utensil 18 "set up in the partial region 14", which has a larger bottom surface than the first cooking utensil 18 '.
  • the size of the portion 14, 14 ', 14 is variable.
  • the partial region 14 has a sensor region 20 (cf. Fig. 1 to 5 ).
  • the sensor region 20 essentially defines a position 22 of the partial region 14.
  • the sensor 36 defines the sensor area 20.
  • a size of the sensor area 20 is substantially identical with a size of the sensor 36.
  • a position of the sensor area 20 is defined by a position of the sensor 36.
  • the sensor area 20 defines a minimum size of the area 14.
  • the hob device 10 comprises two infrared sensors 24. Of the infrared sensors 24, only one will be described below.
  • the infrared sensor 24 detects a temperature of the cooking utensil 18 set up in the partial area 14.
  • the infrared sensor 24 is provided for detecting a temperature of the raised cooking utensil 18.
  • the infrared sensor 24 and the sensor 36 are integrally formed.
  • the infrared sensor 24 is provided for detecting cooking utensils 18 set up in the partial area 14.
  • the hob device could comprise at least one light source, which could be arranged in the installed position below the hob plate and which could emit electromagnetic radiation in the direction of the hob plate, wherein the electromagnetic radiation emitted by the light source in the case of at least one raised Gargeschirrs reflected at the bottom of the raised Gargeschirrs and could be measured by the infrared sensor.
  • the infrared sensor could detect a change in a characteristic of an electromagnetic radiation spectrum detected by the infrared sensor and thus, in particular, a presence of the raised cooking utensil.
  • the infrared sensor 24 and the sensor unit 34 are partially formed in one piece.
  • the infrared sensor 24 detects a temperature of a floor of set up cooking utensils 18.
  • the infrared sensor 24 detects in the installed position a temperature of a floor of set up cooking utensils 18 in particular in the installed position from below the hob plate 28.
  • In the installed position is the infrared sensor 24 arranged in the partial area 14.
  • the infrared sensor 24 is arranged in the installed position below the hob plate 28.
  • the infrared sensor 24 defines the sensor area 20.
  • a size of the sensor area 20 is substantially identical to a size of the infrared sensor 24.
  • a position of the sensor area 20 is defined by a position of the infrared sensor 24.
  • a cooking utensil 18 is placed in the partial region 14 of the variable cooking surface region 12 in a first step (cf. Fig. 3 ).
  • an operator is automatically offered the catalog of several special heating processes for selection by the control unit 16 (cf. Fig. 4 ).
  • the control unit 16 outputs via the operating unit 32 a number of eight special heating processes.
  • a memory unit (not shown) of the control unit 16 different algorithms for performing various special heating processes are stored.
  • the catalog includes two temperature-controlled heating processes.
  • the catalog includes four boost heating processes.
  • the catalog includes two heating processes using previous heating settings.
  • the catalog includes two grill heating processes.
  • the catalog includes a special heating process suitable for cooking.
  • the special heating process suitable for cooking is particularly suitable for large-volume and / or high-height cookware 18, such as, in particular, cooking pots and / or pressure cookers.
  • the catalog includes a special heating process suitable for frying for each type of special heating process.
  • the special heating process suitable for frying is particularly suitable for small volume and / or low height cookware 18, such as pans and / or TeppanYaki plates in particular.
  • the catalog includes at least one boost heating process with a predetermined period of time.
  • the catalog comprises two boost heating processes each having a predetermined period of time.
  • the catalog includes a boost heating process of a predetermined period suitable for cooking.
  • the catalog includes a boost heating process with a predetermined time, which is suitable for frying.
  • the catalog comprises at least one boost heating process with an increased time duration, which amounts to at least 120%, in particular at least 140%, advantageously at least 160%, particularly advantageously at least 180% and preferably at least 200% of the predetermined time duration.
  • the catalog comprises two boost heating processes, each of which has an increased duration.
  • the catalog includes a boost heating process with increased time spent cooking suitable is.
  • the catalog includes a boost heating process with increased time, which is suitable for frying.
  • the catalog could include a heating process of predetermined duration and a heating process of increased duration.
  • the operator selects an operating process by means of the control unit 32 a special heating process from the catalog of special heating processes.
  • the control unit 16 outputs an operating request, in particular to the operator, for selecting and / or inputting an operating parameter, such as a heating power and / or a heating power density, as a function of an operating input by means of the operating unit 32 (cf. Fig. 5 ).
  • the control unit 16 performs a function of an operating input by means of the control unit 32 by a selected from the catalog special heating processes special heating process. In the method, a special heating process is carried out in the partial area 14 by the control unit 16.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Stoves And Ranges (AREA)

Abstract

Um eine gattungsgemäße Vorrichtung mit verbesserten Eigenschaften hinsichtlich eines Bedienkomforts bereitzustellen, wird eine Kochfeldvorrichtung (10) mit zumindest einem variablen Kochflächenbereich (12), der zumindest einen Teilbereich (14) aufweist, welcher zur Durchführung spezieller Heizprozesse vorgesehen ist, und mit einer Steuereinheit (16) vorgeschlagen, die dazu vorgesehen ist, im Fall einer Detektion eines aufgestellten Gargeschirrs (18) in dem Teilbereich (14) automatisch einen Katalog von mehreren speziellen Heizprozessen zur Auswahl anzubieten.In order to provide a generic device with improved properties in terms of ease of use, a cooktop device (10) with at least one variable cooktop area (12), which has at least one partial area (14), which is provided for performing special heating processes, and with a control unit (16 ), which is provided in the event of detection of an erected cooking utensil (18) in the sub-area (14) automatically offer a catalog of several special heating processes for selection.

Description

Die Erfindung betrifft eine Kochfeldvorrichtung nach dem Patentanspruch 1 und ein Verfahren zum Betrieb einer Kochfeldvorrichtung nach dem Patentanspruch 12.The invention relates to a hob device according to claim 1 and a method for operating a hob device according to claim 12.

Aus der internationalen Anmeldung WO 2013/118027 A1 ist bereits eine Kochfeldvorrichtung bekannt, welche einen variablen Kochflächenbereich und eine Vielzahl von Infrarot-Sensoren aufweist, die in dem variablen Kochflächenbereich unterhalb einer Kochfeldplatte angeordnet sind.From the international application WO 2013/118027 A1 There is already known a cooktop apparatus having a variable cooktop area and a plurality of infrared sensors disposed in the variable cooktop area below a cooktop panel.

Die Aufgabe der Erfindung besteht insbesondere darin, eine gattungsgemäße Vorrichtung mit verbesserten Eigenschaften hinsichtlich eines Bedienkomforts bereitzustellen. Die Aufgabe wird erfindungsgemäß durch die Merkmale der Patentansprüche 1 und 12 gelöst, während vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung den Unteransprüchen entnommen werden können.The object of the invention is in particular to provide a generic device with improved properties in terms of ease of use. The object is achieved by the features of claims 1 and 12, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.

Es wird eine Kochfeldvorrichtung, insbesondere eine Induktionskochfeldvorrichtung, mit zumindest einem variablen Kochflächenbereich vorgeschlagen, der zumindest einen Teilbereich aufweist, welcher zur Durchführung spezieller Heizprozesse vorgesehen ist, und mit einer Steuereinheit, die dazu vorgesehen ist, im Fall einer Detektion eines aufgestellten Gargeschirrs in dem Teilbereich insbesondere einem Bediener automatisch einen Katalog von mehreren speziellen Heizprozessen zur Auswahl anzubieten und/oder auszugeben, insbesondere vorzuschlagen. Unter einer "Kochfeldvorrichtung" soll insbesondere zumindest ein Teil, insbesondere eine Unterbaugruppe, eines Kochfelds, insbesondere eines Induktionskochfelds, verstanden werden. Insbesondere kann die Kochfeldvorrichtung auch das gesamte Kochfeld, insbesondere das gesamte Induktionskochfeld, umfassen. Unter einem "variablen Kochflächenbereich" soll insbesondere ein Bereich auf einer einem Bediener in einer Einbaulage zugewandten Seite einer Kochfeldplatte insbesondere der Kochfeldvorrichtung verstanden werden, der insbesondere durch zumindest zwei Heizelemente aufgespannt ist und der vorteilhaft in irgendeinem insbesondere beliebigen Betriebszustand zu einer Beheizung zumindest eines Gargeschirrs, welches in der Einbaulage insbesondere an einer beliebigen Position auf der Kochfeldplatte in dem durch die Heizelemente aufgespannten Bereich aufgestellt ist, vorgesehen ist. Die Steuereinheit ordnet insbesondere zumindest einem innerhalb des variablen Kochflächenbereichs aufgestellten Gargeschirr zumindest eine Heizzone zu und betreibt das Gargeschirr insbesondere mit einer dem Gargeschirr zugeordneten Heizleistung und/oder Heizleistungsdichte. Insbesondere umfasst die Kochfeldvorrichtung zumindest zwei, insbesondere zumindest vier, vorteilhaft zumindest sechs, besonders vorteilhaft zumindest acht, vorzugsweise zumindest zehn, bevorzugt zumindest zwölf und besonders bevorzugt zumindest fünfzehn Heizelemente, die den variablen Kochflächenbereich definieren und die vorteilhaft in Form einer insbesondere gemeinsamen und vorteilhaft einzigen Matrix angeordnet sind. Hierbei sind die Heizelemente insbesondere in einer räumlichen Nähe zueinander angeordnet, wobei insbesondere eine Lücke, die insbesondere mindestens 20 %, vorteilhaft mindestens 40 %, besonders vorteilhaft mindestens 60 % und vorzugsweise mindestens 80 % zumindest einer Erstreckung eines Heizelements der Heizelemente beträgt, zwischen den Heizelementen ausgeschlossen ist. Hierbei weisen zumindest zwei benachbart zueinander angeordnete insbesondere einander nächstgelegene beliebige Heizelemente der Heizelemente einen maximalen Abstand von höchstens 10 cm, insbesondere von höchstens 7 cm, vorteilhaft von höchstens 5 cm, besonders vorteilhaft von höchstens 3 cm und vorzugsweise von höchstens 2 cm auf. Die Heizelemente decken insbesondere einen Flächenanteil von mindestens 70 %, insbesondere von mindestens 75 %, vorteilhaft von mindestens 80 %, besonders vorteilhaft von mindestens 85 % und vorzugsweise von mindestens 90 % des variablen Kochflächenbereichs ab. Der variable Kochflächenbereich weist insbesondere eine Gesamtfläche auf, welche sich in der Einbaulage und in wenigstens einem montierten Zustand insbesondere über einen Anteil von mindestens 70 %, vorteilhaft von mindestens 80 % und besonders vorteilhaft von mindestens 90 % einer Oberfläche der Kochfeldplatte erstreckt. Hierbei ist der variable Kochflächenbereich in der Einbaulage insbesondere auf der einem Bediener zugewandten Seite der Kochfeldplatte angeordnet. Die Kochfeldvorrichtung umfasst insbesondere zumindest einen Sensor, wie beispielsweise einen Kontaktsensor und/oder einen optischen Sensor und/oder einen NTC-Widerstand und/oder einen PTC-Widerstand, wobei der Sensor insbesondere dazu vorgesehen ist, zumindest eine Temperatur wenigstens eines in dem variablen Kochflächenbereich aufgestellten Gargeschirrs zu detektieren. Der Sensor könnte insbesondere in der Einbaulage in dem variablen Kochflächenbereich unterhalb der Kochfeldplatte angeordnet sein. Alternativ oder zusätzlich könnte der Sensor in der Einbaulage oberhalb der Kochfeldplatte angeordnet und insbesondere mit der Kochfeldplatte verbunden und/oder an der Kochfeldplatte befestigt sein. Alternativ oder zusätzlich könnte der Sensor zu einer Befestigung an dem Gargeschirr vorgesehen sein. Insbesondere umfasst die Kochfeldvorrichtung zumindest eine Kochfeldplatte, welche insbesondere zu einem Aufstellen von Gargeschirr vorgesehen ist. Unter einem "Teilbereich" des variablen Kochflächenbereichs soll insbesondere ein Teil und/oder Abschnitt des variablen Kochflächenbereichs verstanden werden, der eine Fläche aufweist, die einer Gesamtfläche des variablen Kochflächenbereichs entspricht oder die kleiner ist als die Gesamtfläche des variablen Kochflächenbereichs, wobei die Fläche zumindest eine Mindestgröße aufweist, welche insbesondere durch eine Flächenerstreckung des Sensors definiert ist, und wobei die Fläche insbesondere in wenigstens einem Betriebszustand durch eine Flächenerstreckung eines wenigstens teilweise auf dem Sensor aufgestellten Gargeschirrs definiert ist. Unter einem "speziellen" Heizprozess soll insbesondere ein Heizprozess verstanden werden, welcher von einer normalen Beheizung eines aufgestellten Gargeschirrs, bei der insbesondere im Anschluss an eine Detektion des Gargeschirrs eine Bedieneingabe wenigstens eines Betriebsparameters, insbesondere einer mittleren Heizleistung und/oder einer Heizleistungsstufe und/oder einer mittleren Heizleistungsdichte, mittels einer Bedieneinheit erforderlich ist und bei der das Gargeschirr insbesondere maximal mit einer von einem Wechselrichter bereitgestellten Heizleistung erhitzbar ist, abweicht. Unter einer "Steuereinheit" soll insbesondere eine elektronische Einheit verstanden werden, die vorzugsweise in einer Steuer- und/oder Regeleinheit eines Kochfelds wenigstens teilweise integriert ist und die insbesondere dazu vorgesehen ist, zumindest die Heizelemente und insbesondere wenigstens eine die Heizelemente versorgende Leistungselektronik 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. Unter "automatisch" soll insbesondere selbsttätig und/oder, insbesondere mit Ausnahme eines Aufstellens wenigstens eines Gargeschirrs, unter Vermeidung einer Aktion eines Bedieners verstanden werden. Unter einem "Katalog" von mehreren Heizprozessen soll insbesondere eine Auswahl von mindestens zwei, insbesondere von mindestens drei und vorteilhaft von mindestens vier, besonders vorteilhaft von mindestens fünf, vorzugsweise von mindestens sieben und besonders bevorzugt von mindestens zehn Heizprozessen verstanden werden. Unter der Wendung, dass die Steuereinheit dazu vorgesehen ist, einen Katalog von mehreren speziellen Heizprozessen "zur Auswahl anzubieten" und/oder "auszugeben", soll insbesondere verstanden werden, dass die Steuereinheit den Katalog von mehreren speziellen Heizprozessen an eine elektrische und/oder elektronische Einheit bereitstellt und/oder dass die Steuereinheit den Katalog von mehreren speziellen Heizprozessen mittels einer Bedieneinheit, welche insbesondere eine Ausgabeeinheit aufweist, ausgibt, wie beispielsweise optisch und/oder akustisch mittels der Bedieneinheit, insbesondere der Ausgabeeinheit. 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.There is proposed a cooktop device, in particular an induction cooktop device, with at least one variable cooktop area, which has at least one partial area, which is provided for carrying out special heating processes, and with a control unit, which is provided, in the case of a detection of an erected cooking utensil in the subarea in particular, to automatically offer a catalog of several special heating processes for selection to a user and / or to issue, in particular to propose. A "cooktop device" should in particular be understood as meaning at least one part, in particular a subassembly, of a cooktop, in particular an induction cooktop. In particular, the hob device may also comprise the entire hob, in particular the entire induction hob. A "variable cooktop area" is to be understood in particular as an area on a side of a cooktop panel, in particular of the cooktop unit, facing an operator in an installed position, which is in particular spanned by at least two heating elements and which is advantageous in any particular operating state for heating at least one cookware, which is placed in the installed position, in particular at an arbitrary position on the hob plate in the area spanned by the heating elements is, is provided. In particular, the control unit assigns at least one heating zone to at least one cooking utensil arranged within the variable cooking surface area and operates the cooking utensil in particular with a heating power and / or heating power density assigned to the cooking utensil. In particular, the hob device comprises at least two, in particular at least four, advantageously at least six, particularly advantageously at least eight, preferably at least ten, preferably at least twelve and more preferably at least fifteen heating elements defining the variable cooking surface area and advantageously in the form of a particular common and advantageous single Matrix are arranged. In this case, the heating elements are arranged in particular in a spatial proximity to one another, wherein in particular a gap, in particular at least 40%, advantageously at least 60% and preferably at least 80% of at least one extension of a heating element of the heating elements, between the heating elements is excluded. Here, at least two adjacently arranged, in particular, each other nearest arbitrary heating elements of the heating elements a maximum distance of at most 10 cm, in particular of at most 7 cm, advantageously of at most 5 cm, more preferably of at most 3 cm and preferably of at most 2 cm. In particular, the heating elements cover an area fraction of at least 70%, in particular of at least 75%, advantageously of at least 80%, particularly advantageously of at least 85% and preferably of at least 90% of the variable cooking surface area. In particular, the variable cooktop area has a total area which, in the installed position and in at least one mounted state, extends in particular over at least 70%, advantageously at least 80% and particularly advantageously at least 90%, of a surface of the cooktop panel. In this case, the variable cooking surface area in the installation position is arranged in particular on the side of the hob plate facing an operator. The cooktop device comprises in particular at least one sensor, such as a contact sensor and / or an optical sensor and / or an NTC resistor and / or a PTC resistor, wherein the sensor is in particular provided, at least one temperature of at least one in the variable cooktop area detected cooking utensils. The sensor could be arranged in particular in the installation position in the variable cooking surface area below the hob plate. Alternatively or additionally, the sensor could be arranged in the installed position above the hob plate and in particular with the Hob plate connected and / or attached to the hob plate. Alternatively or additionally, the sensor could be provided for attachment to the cooking utensils. In particular, the hob device comprises at least one hob plate, which is provided in particular for setting up cooking utensils. A "partial area" of the variable cooktop area is to be understood in particular as part and / or portion of the variable cooktop area having an area corresponding to a total area of the variable cooktop area or smaller than the total area of the cooktop variable area, the area being at least one Has minimum size, which is defined in particular by an areal extent of the sensor, and wherein the surface is defined in particular in at least one operating state by an areal extent of a set up at least partially on the sensor cooking utensils. A "special" heating process should be understood to mean, in particular, a heating process which involves a normal heating of a set up cooking utensil, in which, following a detection of the cooking utensil, an operating input of at least one operating parameter, in particular an average heating power and / or a heating power level and / or an average heating power density, by means of an operating unit is required and in which the cooking utensil is heated in particular at most with a heating power provided by an inverter deviates. A "control unit" is to be understood 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 in particular provided to control at least the heating elements and in particular at least one power electronics supplying the heating elements / or to regulate. The control unit preferably comprises a computing unit and, in particular in addition to the computing unit, a memory unit with a control and / or regulating program stored therein, which is intended to be executed by the computing unit. The term "automatically" is intended in particular to be understood automatically and / or, in particular with the exception of setting up at least one cooking utensil while avoiding an action of an operator. A "catalog" of several heating processes is to be understood as meaning, in particular, a selection of at least two, in particular of at least three and advantageously of at least four, particularly advantageously of at least five, preferably at least seven and particularly preferably at least ten heating processes. Under the phrase that the control unit is intended to To "offer for selection" and / or "issue" a catalog of several special heating processes shall in particular be understood to mean that the control unit provides the catalog of several special heating processes to an electrical and / or electronic unit and / or that the control unit keeps the catalog of several special heating processes by means of an operating unit, which in particular has an output unit outputs, such as optically and / or acoustically by means of the operating unit, in particular the output unit. 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 Bedienkomfort erreicht werden. Insbesondere kann eine hohe Anzahl an speziellen Heizprozessen zur Verfügung gestellt und/oder eine hohe Flexibilität ermöglicht werden. Einem Bediener kann insbesondere durch häufige Verwendung der speziellen Heizprozesse eine große Erfahrung in dieser Verwendung vermittelt werden, wodurch eine hohe Kundenzufriedenheit erzielt und/oder ein schnellerer Umgang mit den speziellen Heizprozessen erreicht werden kann. Durch den Sensor der Kochfeldvorrichtung kann insbesondere eine hohe Sicherheit ermöglicht werden, da eine Temperatur des in dem Teilbereich aufgestellten Gargeschirrs ständig kontrolliert werden kann.The inventive design, in particular a high ease of use can be achieved. In particular, a large number of special heating processes can be made available and / or a high level of flexibility can be made possible. An operator can be taught a great deal of experience in this use in particular by frequent use of special heating processes, whereby a high level of customer satisfaction achieved and / or faster handling of the special heating processes can be achieved. In particular, a high level of safety can be made possible by the sensor of the cooktop device, since a temperature of the cooking utensil erected in the subarea can be constantly monitored.

Ferner wird vorgeschlagen, dass der Teilbereich kleiner ist als der variable Kochflächenbereich. Der Teilbereich könnte insbesondere einen Flächenanteil von mindestens 10 %, insbesondere von mindestens 20 %, vorteilhaft von mindestens 30 % und vorzugsweise von mindestens 35 % des variablen Kochflächenbereichs ausmachen. Beispielsweise könnte der Teilbereich eine Flächenerstreckung von mindestens 300 cm2, insbesondere von mindestens 600 cm2, vorteilhaft von mindestens 900 cm2, und vorzugsweise von mindestens 1200 cm2 aufweisen. Hierbei könnte der variable Kochflächenbereics beispielsweise eine maximale und/oder gesamte Flächenerstreckung von wenigstens im Wesentlichen 3000 cm2 aufweisen. Dadurch kann insbesondere eine hohe Flexibilität ermöglicht werden, da in dem Teilbereich ein spezieller Heizprozess und in einem dem Teilbereich benachbarten Bereich des variablen Kochflächenbereichs eine insbesondere normale Beheizung wenigstens eines Gargeschirrs zeitgleich durchgeführt werden können.It is also proposed that the partial area is smaller than the variable cooking surface area. The partial area could in particular make up an area fraction of at least 10%, in particular of at least 20%, advantageously of at least 30% and preferably of at least 35% of the variable cooking surface area. For example, the portion could be a surface extension of at least 300 cm 2, especially at least 600 cm 2, have advantageously at least 900 cm 2, and preferably of at least 1200 cm 2. In this case, the variable cooking surface area, for example, could have a maximum and / or total areal extent of at least substantially 3000 cm 2 . In this way, in particular a high degree of flexibility can be made possible, since in the partial area a special heating process and in a region of the variable cooking surface area adjacent to the partial area In particular, normal heating of at least one Gargeschirrs can be carried out at the same time.

Eine Größe des Teilbereichs könnte beispielsweise fest vorgegeben sein, wobei die Größe und/oder Position insbesondere durch eine Anordnung von zumindest zwei und vorteilhaft von zumindest drei Sensoren definiert sein könnte. Insbesondere könnte der Teilbereich optisch markiert sein. Vorteilhaft ist eine Größe des Teilbereichs variabel und insbesondere von einer Größe des Gargeschirrs abhängig ausgebildet. Beispielsweise könnte die Größe des Teilbereichs mittels einer Bedieneinheit einstellbar sein, wobei insbesondere bestimmte Heizelemente und/oder ein bestimmter Bereich des variablen Kochflächenbereichs auswählbar sein könnten. Vorteilhaft ist die Steuereinheit dazu vorgesehen, im Fall einer Detektion eines aufgestellten Gargeschirrs von dem Gargeschirr bedeckte Heizelemente zu einer Heizzone zusammenzufassen, wobei die die dem Gargeschirr zugeordnete Heizzone definierenden Heizelemente eine Größe des Teilbereichs definieren. Hierbei ist die Größe des Teilbereichs zumindest im Wesentlichen abhängig von einer Größe einer Bodenfläche des Gargeschirrs. Unter einer "Größe" eines Bereichs und/oder Elements soll in wenigstens einem Betriebszustand und/oder in einer Einbaulage insbesondere eine Flächenerstreckung des Bereichs und/oder Elements in einer Haupterstreckungsebene der Kochfeldplatte verstanden werden. Unter einer "Haupterstreckungsebene" eines Objekts soll insbesondere eine Ebene verstanden werden, welche parallel zu einer größten Seitenfläche eines kleinsten gedachten Quaders ist, welcher das Objekt gerade noch vollständig umschließt, und insbesondere durch den Mittelpunkt des Quaders verläuft. Dadurch kann eine Größe des Teilbereichs insbesondere auf jegliche Art von Gargeschirr angepasst werden, wodurch insbesondere eine unnötige Aktivierung von nicht benötigten Heizelementen vermieden und/oder eine energieeffiziente Ausgestaltung ermöglicht werden kann.For example, a size of the partial area could be fixed, wherein the size and / or position could be defined in particular by an arrangement of at least two and advantageously by at least three sensors. In particular, the subarea could be optically marked. Advantageously, a size of the subregion is variable and, in particular, is dependent on a size of the cooking utensil. For example, the size of the subarea could be adjustable by means of a control unit, wherein, in particular, certain heating elements and / or a specific area of the variable cooktop area could be selectable. Advantageously, the control unit is provided for combining heating elements covered by the cooking utensil to form a heating zone in the event of detection of an erected cooking utensil, wherein the heating elements defining the cooking utensil define a size of the portion. Here, the size of the subregion is at least substantially dependent on a size of a bottom surface of the cooking utensil. A "size" of a region and / or element is to be understood in at least one operating state and / or in a mounting position, in particular a surface extension of the region and / or element in a main plane of extension of the hob plate. A "main extension plane" of an object should be understood to mean, in particular, a plane which is parallel to a largest side surface of a smallest imaginary cuboid which just completely surrounds the object, and in particular runs through the center of the cuboid. As a result, a size of the subregion can be adapted in particular to any type of cooking utensil, which in particular avoids unnecessary activation of heating elements which are not required and / or an energy-efficient design can be made possible.

Weiterhin wird vorgeschlagen, dass der Teilbereich zumindest einen Sensorbereich aufweist, welcher wenigstens im Wesentlichen eine Position des Teilbereichs festlegt. Der Teilbereich weist insbesondere eine Mindestgröße auf, welche insbesondere durch den Sensorbereich definiert ist. Beispielsweise könnte eine Position des Teilbereichs und/oder des Sensorbereichs in dem variablen Kochflächenbereich angezeigt sein, wie insbesondere durch eine Markierung auf einer Oberfläche der Kochfeldplatte und/oder durch eine in der Einbaulage unterhalb der Kochfeldplatte angeordnete Lichtquelle.Furthermore, it is proposed that the subregion has at least one sensor region which at least essentially defines a position of the subregion. In particular, the partial area has a minimum size, which is defined in particular by the sensor area. For example, a position of the partial area and / or the sensor area could be displayed in the variable cooking surface area, in particular by a marking on a surface of the hob plate and / or by a light source arranged in the installed position below the hob plate.

Alternativ oder zusätzlich könnte eine Position des Teilbereichs und/oder des Sensorbereichs in dem variablen Kochflächenbereich insbesondere mittels einer Ausgabeeinheit, die insbesondere Teil einer Bedieneinheit sein könnte, ausgegeben werden, insbesondere akustisch und/oder optisch, vorteilhaft mittels eines Displays. Unter einem "Sensorbereich" soll insbesondere ein Bereich verstanden werden, welcher zu einem Ausmessen und/oder Vermessen durch zumindest einen Sensor vorgesehen ist und welcher insbesondere durch eine von dem Sensor erfassbare, insbesondere ausmessbare und/oder vermessbare, Flächenerstreckung in der Haupterstreckungsebene der Kochfeldplatte definiert ist. Beispielsweise ist denkbar, dass der Sensor wenigstens zu einem Großteil in dem Sensorbereich angeordnet ist. Alternativ oder zusätzlich könnte der Sensor beabstandet zu dem Sensorbereich angeordnet und insbesondere mittels zumindest eines Wellenleiters, beispielsweise eines Glasfaserkabels, mit dem Sensorbereich verbunden sein. Der Sensor ist insbesondere zu einer Detektion von aufgestelltem Gargeschirr und/oder zu einer Detektion einer Temperatur wenigstens eines aufgestellten Gargeschirrs vorgesehen. Unter der Wendung, dass der Sensorbereich "wenigstens im Wesentlichen" eine Position des Teilbereichs festlegt, soll insbesondere verstanden werden, dass der Sensorbereich zumindest einen ersten Teil des Teilbereichs ausbildet, wobei sich zumindest ein zweiter Teil des Teilbereichs insbesondere abhängig von einer Position wenigstens eines aufgestellten Gargeschirrs in verschiedene Richtungen in dem variablen Kochflächenbereich erstrecken könnte. Beispielsweise könnte der Sensorbereich in einem Randbereich und/oder in einem Mittelpunkt und/oder in einem Schwerpunkt des Teilbereichs angeordnet sein. Dadurch kann insbesondere eine einfache Bedienung ermöglicht und/oder eine Markierung der Position des Teilbereichs erleichtert werden.Alternatively or additionally, a position of the subarea and / or the sensor area in the variable cooktop area could be output, in particular acoustically and / or optically, advantageously by means of a display, in particular by means of an output unit, which could in particular be part of an operating unit. A "sensor region" is to be understood in particular to mean a region which is provided for measuring and / or measuring by at least one sensor and which defines, in particular, an areal extent which is detectable by the sensor, in particular measurable and / or measurable, in the main extension plane of the cooktop plate is. For example, it is conceivable that the sensor is arranged at least to a large extent in the sensor area. Alternatively or additionally, the sensor could be arranged at a distance from the sensor region and in particular be connected to the sensor region by means of at least one waveguide, for example a glass fiber cable. The sensor is provided in particular for a detection of cooking utensils set up and / or for a detection of a temperature of at least one set up cooking utensil. By the use of the sensor region "at least substantially" defining a position of the subregion, it should be understood in particular that the sensor region forms at least a first part of the subregion, whereby at least a second part of the subregion depends in particular on a position of at least one Gartens could extend in different directions in the variable cooking surface area. For example, the sensor region could be arranged in an edge region and / or in a center and / or in a center of gravity of the subregion. As a result, in particular a simple operation can be made possible and / or a marking of the position of the partial area can be facilitated.

Vorteilhaft umfasst die Kochfeldvorrichtung zumindest einen Infrarot-Sensor, der dazu vorgesehen ist, wenigstens eine Temperatur von in dem Teilbereich aufgestelltem Gargeschirr zu detektieren. Der Infrarot-Sensor weist vorteilhaft zumindest einen Infrarot-Sensorbereich auf, der insbesondere mit dem Sensorbereich des Teilbereichs übereinstimmt und/oder identisch mit dem Sensorbereich des Teilbereichs ist und/oder mit dem Sensorbereich des Teilbereichs mittels zumindest eines Wellenleiters verbunden ist. Insbesondere sind der Sensor und der Infrarot-Sensor einstückig ausgebildet. Dadurch kann insbesondere eine hohe Sicherheit ermöglicht werden, da eine Temperatur des in dem Teilbereich aufgestellten Gargeschirrs ständig kontrolliert werden kann.Advantageously, the cooktop device comprises at least one infrared sensor which is provided to detect at least one temperature of cooking utensils placed in the subarea. The infrared sensor advantageously has at least one infrared sensor region, which in particular coincides with the sensor region of the partial region and / or is identical to the sensor region of the partial region and / or is connected to the sensor region of the partial region by means of at least one waveguide. In particular, the sensor and the infrared sensor are integrally formed. As a result, high safety in particular can be made possible, since a temperature of the cooking utensils set up in the subarea can be constantly monitored.

Insbesondere kann eine optimierte und/oder präzise Ermittlung einer aktuellen Temperatur des in dem Teilberiech ausgestellten Gargeschirrs erreicht werden.In particular, an optimized and / or precise determination of a current temperature of the cooking utensils exhibited in the Teilberiech can be achieved.

Die Kochfeldvorrichtung könnte beispielsweise zumindest eine Sensoreinheit aufweisen, welche zu einer Detektion von aufgestelltem Gargeschirr vorgesehen sein könnte und welche insbesondere wenigstens teilweise einstückig mit den Heizelementen ausgebildet sein könnte. Vorteilhaft sind/ist der Sensor und vorzugsweise der Infrarot-Sensor zu einer Detektion von in dem Teilbereich aufgestelltem Gargeschirr vorgesehen. Insbesondere sind die Sensoreinheit und der Sensor und/oder der Infrarot-Sensor, einstückig ausgebildet. Dadurch kann insbesondere auf eine zusätzliche Sensoreinheit zu einer Detektion von aufgestelltem Gargeschirr verzichtet und/oder eine preisgünstige Ausgestaltung erzielt werden.By way of example, the cooktop device could have at least one sensor unit, which could be provided for the detection of erected cooking utensils and which, in particular, could be formed at least partially in one piece with the heating elements. Advantageously, the sensor, and preferably the infrared sensor, is / are provided for the detection of cooking utensils installed in the subarea. In particular, the sensor unit and the sensor and / or the infrared sensor, integrally formed. As a result, it is possible in particular to dispense with an additional sensor unit for the detection of erected cooking utensils and / or to achieve a cost-effective configuration.

Zudem wird vorgeschlagen, dass der Katalog wenigstens einen temperaturkontrollierten Heizprozess und/oder wenigstens einen Boost-Heizprozess und/oder wenigstens einen Heizprozess unter Verwendung früherer Heizeinstellungen und/oder wenigstens einen Grill-Heizprozess umfasst. Unter einem "temperaturkontrollierten Heizprozess" soll insbesondere ein Heizprozess verstanden werden, in welchem die Steuereinheit insbesondere eine insbesondere aktuelle Temperatur wenigstens eines in dem Teilbereich aufgestellten Gargeschirrs auf eine Solltemperatur regelt. Die Solltemperatur könnte beispielsweise vorprogrammiert sein, wie beispielsweise als Teil eines insbesondere mehrteiligen Heizprozesses und/oder eines insbesondere mehrteiligen Rezepts. Alternativ oder zusätzlich könnte die Solltemperatur beispielsweise durch eine Bedieneingabe mittels der Bedieneinheit vorgegeben sein. Unter einem "Boost-Heizprozess" soll insbesondere ein Heizprozess verstanden werden, in welchem die Steuereinheit zumindest ein Heizelement, welches einem aufgestellten Gargeschirr zugeordnet ist, über eine insbesondere vorbestimmte Zeitdauer mit einer über eine Normalheizleistungsdichte hinausgehende Heizleistungsdichte betreibt. Die Normalheizleistung ist insbesondere eine Heizleistungsdichte, welche das dem aufgestellten Gargeschirr zugeordnete Heizelement insbesondere aufgrund einer dem Heizelement durch ein Versorgungselement insbesondere dauerhaft zugeführten Energie erzeugt und/oder welche mittels einer Bedieneinheit insbesondere durch einen Bediener direkt, insbesondere unter Vermeidung einer Verwendung eines speziellen Heizprozesses, einstellbar ist, wobei die Steuereinheit das Versorgungselement insbesondere unter Einhaltung einer maximalen Auslastung des Versorgungselements ansteuert und/oder dem Heizelement eine Energie zuführt, welche kleiner ist als eine maximale dem Heizelement zuführbare Energie. Die Steuereinheit betreibt in dem Boost-Heizprozess insbesondere das dem aufgestellten Gargeschirr zugeordnete Heizelement mit zumindest zwei Versorgungselementen, wobei eine dem Heizelement zugeführte Energie insbesondere an eine maximal dem Heizelement zuführbare Energie heranreicht und/oder eine maximale Auslastung eines insbesondere einzelnen Versorgungselements überschreitet. Insbesondere könnte die Steuereinheit dazu vorgesehen sein, im Fall einer Detektion wenigstens eines aufgestellten Topfs und/oder wenigstens einer aufgestellten Pfanne zumindest ein dem Topf und/oder der Pfanne zugeordnetes Heizelement in dem Boost-Heizprozess zu betreiben. Unter der Wendung, dass die Steuereinheit zumindest ein Heizelement "betreibt", soll insbesondere verstanden werden, dass die Steuereinheit zumindest ein Versorgungselement ansteuert, welches in Abhängigkeit einer Ansteuerung durch die Steuereinheit dem Heizelement Energie, insbesondere in Form von hochfrequentem Wechselstrom, zuführt. Die Kochfeldvorrichtung umfasst zumindest eine Leistungselektronik mit zumindest zwei Versorgungselementen, welche beispielsweise als Wechselrichter und/oder Umrichter ausgebildet sein könnten. Unter einem "Heizprozess unter Verwendung früherer Heizeinstellungen", soll insbesondere ein Heizprozess verstanden werden, in welchem die Steuereinheit insbesondere im Anschluss an eine Änderung einer Position wenigstens eines in dem Teilbereich aufgestellten Gargeschirrs von einer ersten Position insbesondere innerhalb des Teilbereichs zu einer zweiten Position insbesondere innerhalb des Teilbereichs eine dem Gargeschirr in der ersten Position zugeordnete Heizeinstellung insbesondere automatisch und/oder nach einer Bestätigung durch eine Bedieneingabe mittels der Bedieneinheit dem in der zweiten Position angeordneten Gargeschirr zuordnet. Die Heizeinstellung könnte beispielsweise eine Solltemperatur des Gargeschirrs und/oder eine dem Gargeschirr zugeführte Heizleistungsdichte und/oder eine Zeiteinstellung, wie beispielsweise eine verbleibende und/oder bereits abgelaufene Garzeit, aufweisen. Unter einem "Grill-Heizprozess" soll insbesondere ein Heizprozess verstanden werden, in welchem die Steuereinheit eine aktuelle Temperatur wenigstens eines ausgestellten Gargeschirrs auf einen Wert regelt, der insbesondere mindestens 110 %, vorteilhaft mindestens 120 %, besonders vorteilhaft mindestens 130 %, vorzugsweise mindestens 140 % und vorzugsweise mindestens 150 % eines Werts beim Kochen und/oder beim Braten beträgt, und/oder der insbesondere mindestens 220°C, vorteilhaft mindestens 240°C, besonders vorteilhaft mindestens 260°C, vorzugsweise mindestens 280°C und vorzugsweise mindestens 300°C beträgt. Dadurch kann insbesondere eine hohe Flexibilität erreicht und/oder ein hoher Komfort für einen Bediener ermöglicht werden.In addition, it is proposed that the catalog comprises at least one temperature-controlled heating process and / or at least one boost heating process and / or at least one heating process using previous heating settings and / or at least one grill heating process. A "temperature-controlled heating process" should in particular be understood to mean a heating process in which the control unit in particular regulates a particular current temperature of at least one cooking utensil set up in the subarea to a desired temperature. The desired temperature could for example be preprogrammed, such as, for example, as part of a particular multi-part heating process and / or a particular multi-part recipe. Alternatively or additionally, the setpoint temperature could be predetermined, for example, by an operator input by means of the operating unit. A "boost heating process" should in particular be understood to mean a heating process in which the control unit operates at least one heating element which is assigned to a set up cooking appliance over a particular predetermined period of time with a heating power density exceeding a normal heating power density. The normal heating power is, in particular, a heating power density, which generates the heating element assigned to the erected cooking appliance, in particular due to an energy permanently supplied to the heating element by a supply element and / or which can be adjusted directly by means of an operating unit, in particular by an operator, in particular avoiding the use of a special heating process is, wherein the control unit is the supply element in particular under control of a maximum utilization of the supply element controls and / or the heating element supplies an energy which is smaller than a maximum energy supplied to the heating element. In the boost heating process, the control unit operates, in particular, the heating element associated with the raised cooking appliance with at least two supply elements, wherein an energy supplied to the heating element reaches in particular a maximum energy that can be supplied to the heating element and / or exceeds a maximum utilization of a particular individual supply element. In particular, the control unit could be provided to operate at least one of the pot and / or the pan associated heating element in the boost heating process in the event of detection of at least one raised pot and / or at least one set-up pan. By the use of the control unit "operating" at least one heating element, it should be understood that the control unit activates at least one supply element which supplies energy to the heating element, in particular in the form of high-frequency alternating current, as a function of activation by the control unit. The hob device includes at least one power electronics with at least two supply elements, which could be formed, for example, as an inverter and / or inverter. A "heating process using previous heating settings" should in particular be understood to mean a heating process in which the control unit, in particular following a change in a position of at least one cooking utensil placed in the partial area, from a first position, in particular within the partial area, to a second position, in particular within of the sub-area assigns a heating setting assigned to the cooking utensils in the first position, in particular automatically and / or after confirmation by an operating input by means of the operating unit, to the cooking utensil arranged in the second position. The heating setting could, for example, have a desired temperature of the cooking utensil and / or a heating power density supplied to the cooking utensil and / or a time setting, such as a remaining and / or already expired cooking time. A "grill heating process" should in particular be understood to mean a heating process in which the control unit regulates a current temperature of at least one exhibited cooking utensil to a value which is in particular at least 110%, advantageously at least 120%, particularly advantageously at least 130%, preferably at least 140 % and preferably at least 150% of a value during cooking and / or roasting, and / or in particular at least 220 ° C, preferably at least 240 ° C, particularly advantageous at least 260 ° C, preferably at least 280 ° C and preferably at least 300 ° C. As a result, in particular a high degree of flexibility can be achieved and / or a high level of comfort for an operator can be achieved.

Ferner wird ein Verfahren zum Betrieb einer Kochfeldvorrichtung vorgeschlagen, mit zumindest einem variablen Kochflächenbereich, der zumindest einen Teilbereich aufweist, in welchem spezielle Heizprozesse durchführbar sind, wobei im Fall einer Detektion eines aufgestellten Gargeschirrs in dem Teilbereich insbesondere einem Bediener automatisch ein Katalog von mehreren speziellen Heizprozessen zur Auswahl angeboten und/oder ausgegeben, insbesondere vorgeschlagen, wird. Dadurch kann insbesondere ein hoher Bedienkomfort erreicht werden. Insbesondere kann eine hohe Anzahl an speziellen Heizprozessen zur Verfügung gestellt und/oder eine hohe Flexibilität ermöglicht werden.Furthermore, a method for operating a hob device is proposed, with at least one variable cooking surface area having at least a portion in which special heating processes are feasible, wherein in the case of detection of an erect cooking dishes in the sub-area in particular an operator automatically a catalog of several special heating processes offered for selection and / or issued, in particular proposed, is. This can be achieved in particular a high ease of use. In particular, a large number of special heating processes can be made available and / or a high level of flexibility can be made possible.

Die Kochfeldvorrichtung soll hierbei nicht auf die oben beschriebene Anwendung und Ausführungsform beschränkt sein. Insbesondere kann die Kochfeldvorrichtung zu einer Erfüllung einer hierin beschriebenen Funktionsweise eine von einer hierin genannten Anzahl von einzelnen Elementen, Bauteilen und Einheiten abweichende Anzahl aufweisen.The hob device should not be limited to the application and embodiment described above. In particular, in order to fulfill a mode of operation described herein, the cooktop apparatus may have a number different from a number of individual elements, components and units mentioned herein.

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. Der Fachmann wird die Merkmale zweckmäßigerweise auch einzeln betrachten und zu sinnvollen weiteren Kombinationen zusammenfassen.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. The person skilled in the art will expediently also consider the features individually and combine them into meaningful further combinations.

Es zeigen:

Fig. 1
ein Kochfeld mit einer Kochfeldvorrichtung in einer schematischen Draufsicht,
Fig. 2
das Kochfeld mit der Kochfeldvorrichtung und mehrere verschiedene Gargeschirre, welche eine Größe eines Teilbereichs eines variablen Kochflächenbereichs der Kochfeldvorrichtung definieren, in einer schematischen Draufsicht,
Fig. 3
das Kochfeld mit der Kochfeldvorrichtung und ein in dem Teilbereich aufgestelltes Gargeschirr in einer schematischen Draufsicht,
Fig. 4
das Kochfeld mit der Kochfeldvorrichtung und das in dem Teilbereich aufgestellte Gargeschirr in einem ersten Verfahrensschritt in einer schematischen Draufsicht,
Fig. 5
das Kochfeld mit der Kochfeldvorrichtung und das in dem Teilbereich aufgestellte Gargeschirr in einem zweiten Verfahrensschritt in einer schematischen Draufsicht.
Show it:
Fig. 1
a hob with a hob device in a schematic plan view,
Fig. 2
the hob with the hob device and a plurality of different cookware, which define a size of a portion of a variable cooking surface area of the hob device, in a schematic plan view,
Fig. 3
the hob with the hob device and a set up in the sub-range cooking utensils in a schematic plan view,
Fig. 4
the cooking hob with the hob device and the cooking utensils set up in the partial area in a first process step in a schematic plan view,
Fig. 5
the hob with the hob device and the set up in the sub-range cooking utensils in a second step in a schematic plan view.

Fig. 1 zeigt ein Kochfeld 26, das als ein Induktionskochfeld ausgebildet ist, mit einer Kochfeldvorrichtung 10, die als eine Induktionskochfeldvorrichtung ausgebildet ist. Die Kochfeldvorrichtung 10 umfasst eine Kochfeldplatte 28. In einem montierten Zustand bildet die Kochfeldplatte 28 einen Teil eines Außengehäuses aus, und zwar insbesondere eines Außengehäuses des Kochfelds 26. Die Kochfeldplatte 28 ist zu einem Aufstellen von Gargeschirr 18 vorgesehen (vgl. Fig. 2 bis 5). Fig. 1 shows a hob 26, which is formed as an induction hob, with a Hob device 10, which is designed as an induction hob device. The cooktop apparatus 10 includes a cooktop panel 28. In an assembled condition, the cooktop panel 28 forms part of an outer housing, particularly an outer housing of the cooktop 26. The cooktop panel 28 is provided for erecting cooking utensils 18 (see FIG. Fig. 2 to 5 ).

Die Kochfeldvorrichtung 10 umfasst einen variablen Kochflächenbereich 12 (vgl. Fig. 1 bis 5). Der variable Kochflächenbereich 12 weist zumindest ein Heizelement 30 auf. Im vorliegenden Ausführungsbeispiel weist der variable Kochflächenbereich 12 achtundvierzig Heizelemente 30 auf. Alternativ könnte der variable Kochflächenbereich eine größere und/oder eine kleinere Anzahl an Heizelementen aufweisen. Der variable Kochflächenbereich 12 ist dazu vorgesehen, auf der Kochfeldplatte 28 oberhalb der Heizelemente 30 aufgestelltes Gargeschirr 18 zu erhitzen.The hob apparatus 10 includes a variable cooking surface area 12 (see FIG. Fig. 1 to 5 ). The variable cooking surface area 12 has at least one heating element 30. In the present embodiment, the variable cooktop area 12 has forty-eight heating elements 30. Alternatively, the variable cooking surface area could have a larger and / or a smaller number of heating elements. The variable cooktop area 12 is intended to heat cooking dishes 18 placed on the cooktop panel 28 above the heating elements 30.

Die Kochfeldvorrichtung 10 umfasst eine Bedieneinheit 32 (vgl. Fig. 1 bis 5). Die Bedieneinheit 32 ist zu einer Eingabe und/oder Auswahl von Betriebsparametern, beispielsweise einer Heizleistung und/oder einer Heizleistungsdichte und/oder einer Heizzone vorgesehen. Die Bedieneinheit 32 ist zu einer Ausgabe eines Werts eines Betriebsparameters an einen Bediener vorgesehen. Die Kochfeldvorrichtung 10 umfasst eine Steuereinheit 16. Die Steuereinheit 16 ist dazu vorgesehen, in Abhängigkeit von mittels der Bedieneinheit 32 eingegebenen Betriebsparametern Aktionen auszuführen und/oder Einstellungen zu verändern. Die Steuereinheit 16 regelt in einem Heizbetriebszustand eine Energiezufuhr zu den Heizelementen 30.The hob device 10 comprises an operating unit 32 (cf. Fig. 1 to 5 ). The operating unit 32 is provided for an input and / or selection of operating parameters, for example a heating power and / or a heating power density and / or a heating zone. The operating unit 32 is provided for outputting a value of an operating parameter to an operator. The cooktop device 10 comprises a control unit 16. The control unit 16 is provided for carrying out actions and / or changing settings as a function of operating parameters entered by means of the operating unit 32. The control unit 16 controls a power supply to the heating elements 30 in a heating operation state.

Der variable Kochflächenbereich 12 weist zwei Teilbereiche 14 auf (vgl. Fig. 2 bis 5). Im Folgenden wird lediglich einer der Teilbereiche 14 beschrieben. Der Teilbereich 14 ist durch eine Anzahl an Heizelementen 30 des variablen Kochflächenbereichs 12 definiert. Im Folgenden wird lediglich eines der Heizelemente 30 beschrieben. Der Teilbereich 14 ist zur Durchführung mehrerer spezieller Heizprozesse vorgesehen.The variable cooking surface area 12 has two partial areas 14 (cf. Fig. 2 to 5 ). In the following, only one of the partial areas 14 will be described. The portion 14 is defined by a number of heating elements 30 of the variable cooking surface area 12. In the following, only one of the heating elements 30 will be described. The partial area 14 is provided for carrying out a number of special heating processes.

Die Kochfeldvorrichtung 10 umfasst eine Sensoreinheit 34, welche zu einer Detektion von aufgestelltem Gargeschirr 18 vorgesehen ist. Im Fall einer Detektion eines aufgestellten Gargeschirrs 18 in dem Teilbereich 14 bietet die Steuereinheit 16 einem Bediener automatisch einen Katalog von mehreren speziellen Heizprozessen zur Auswahl an. Die Steuereinheit 16 gibt im Fall einer Detektion eines aufgestellten Gargeschirrs 18 in dem Teilbereich 14 mittels der Bedieneinheit 32 den Katalog zur Auswahl an den Bediener aus (vgl. Fig. 4). Der Katalog weist eine Anzahl von acht speziellen Heizprozessen auf. Alternativ könnte der Katalog eine größere oder kleinere Anzahl an speziellen Heizprozessen aufweisen.The hob device 10 includes a sensor unit 34, which is provided for a detection of erected cooking utensils 18. In the case of detection of an erected cooking utensil 18 in the sub-area 14, the control unit 16 automatically offers an operator a catalog of several special heating processes for selection. The control unit 16 outputs the catalog for selection to the operator in the event of detection of an erected cooking utensil 18 in the partial area 14 by means of the operating unit 32 (cf. Fig. 4 ). The catalog has a number of eight special heating processes. Alternatively, the catalog could have a greater or lesser number of special heating processes.

Die Kochfeldvorrichtung 10 umfasst zumindest einen Sensor 36 (vgl. Fig. 1 bis 5), der zu einer Detektion einer Temperatur des aufgestellten Gargeschirrs 18 vorgesehen ist. Im vorliegenden Ausführungsbeispiel umfasst die Kochfeldvorrichtung 10 zwei Sensoren 36. Von den Sensoren 36 wird im Folgenden lediglich einer beschrieben. Der Sensor 36 ist in einer Einbaulage unterhalb der Kochfeldplatte 28 angeordnet. In der Einbaulage ist der Sensor 36 in dem Teilbereich 14 angeordnet. Der Sensor 36 ist zu einer Detektion des aufgestellten Gargeschirrs 18 vorgesehen. Der Sensor 36 und die Sensoreinheit 34 sind teilweise einstückig ausgebildet. Die Sensoreinheit 34 ist zu einer Detektion von in dem variablen Kochflächenbereich 12 außerhalb des Teilbereichs 14 aufgestelltem Gargeschirr 18 vorgesehen.The hob device 10 comprises at least one sensor 36 (cf. Fig. 1 to 5 ) provided for detecting a temperature of the erected cooking utensil 18. In the present exemplary embodiment, the hob device 10 comprises two sensors 36. Only one of the sensors 36 will be described below. The sensor 36 is arranged in an installed position below the hob plate 28. In the installed position, the sensor 36 is arranged in the partial area 14. The sensor 36 is provided for detecting the raised cooking utensil 18. The sensor 36 and the sensor unit 34 are partially formed in one piece. The sensor unit 34 is provided for detecting cooking utensil 18 set up in the variable cooktop area 12 outside the subarea 14.

Im vorliegenden Ausführungsbeispiel ist der Teilbereich 14 kleiner als der variable Kochflächenbereich 12. Der Teilbereich 14 weist eine Größe auf, welche von einer Größe des aufgestellten Gargeschirrs 18 abhängig ist (vgl. Fig. 2). Im Fall eines ersten in dem Teilbereich 14' aufgestellten Gargeschirrs 18', welches eine kleine Bodenfläche aufweist, ist der Teilbereich 14' kleiner als im Fall eines zweiten in dem Teilbereich 14" aufgestellten Gargeschirrs 18", welches eine größere Bodenfläche aufweist als das erste Gargeschirr 18'. Die Größe des Teilbereichs 14, 14', 14" ist variabel.In the present exemplary embodiment, the partial area 14 is smaller than the variable cooking surface area 12. The partial area 14 has a size that depends on a size of the set up cooking utensil 18 (cf. Fig. 2 ). In the case of a first cooking utensil 18 'set up in the partial region 14', which has a small bottom surface, the partial region 14 'is smaller than in the case of a second cooking utensil 18 "set up in the partial region 14", which has a larger bottom surface than the first cooking utensil 18 '. The size of the portion 14, 14 ', 14 "is variable.

Der Teilbereich 14 weist einen Sensorbereich 20 auf (vgl. Fig. 1 bis 5). Der Sensorbereich 20 legt im Wesentlichen eine Position 22 des Teilbereichs 14 fest. Der Sensor 36 definiert den Sensorbereich 20. Eine Größe des Sensorbereichs 20 ist im Wesentlichen identisch mit einer Größe des Sensors 36. Eine Position des Sensorbereichs 20 ist definiert durch eine Position des Sensors 36. Der Sensorbereich 20 definiert eine Mindestgröße des Teilbereichs 14.The partial region 14 has a sensor region 20 (cf. Fig. 1 to 5 ). The sensor region 20 essentially defines a position 22 of the partial region 14. The sensor 36 defines the sensor area 20. A size of the sensor area 20 is substantially identical with a size of the sensor 36. A position of the sensor area 20 is defined by a position of the sensor 36. The sensor area 20 defines a minimum size of the area 14.

Im vorliegenden Ausführungsbeispiel umfasst die Kochfeldvorrichtung 10 zwei Infrarot-Sensoren 24. Von den Infrarot-Sensoren 24 wird im Folgenden lediglich einer beschrieben. Der Infrarot-Sensor 24 detektiert eine Temperatur von in dem Teilbereich 14 aufgestelltem Gargeschirr 18. Der Infrarot-Sensor 24 ist zu einer Detektion einer Temperatur des aufgestellten Gargeschirrs 18 vorgesehen. Der Infrarot-Sensor 24 und der Sensor 36 sind einstückig ausgebildet.In the present exemplary embodiment, the hob device 10 comprises two infrared sensors 24. Of the infrared sensors 24, only one will be described below. The infrared sensor 24 detects a temperature of the cooking utensil 18 set up in the partial area 14. The infrared sensor 24 is provided for detecting a temperature of the raised cooking utensil 18. The infrared sensor 24 and the sensor 36 are integrally formed.

Der Infrarot-Sensor 24 ist zu einer Detektion von in dem Teilbereich 14 aufgestelltem Gargeschirr 18 vorgesehen. Beispielsweise könnte die Kochfeldvorrichtung zumindest eine Lichtquelle aufweisen, welche in der Einbaulage unterhalb der Kochfeldplatte angeordnet sein könnte und welche elektromagnetische Strahlung in Richtung der Kochfeldplatte emittieren könnte, wobei die von der Lichtquelle emittierte elektromagnetische Strahlung im Fall wenigstens eines aufgestellten Gargeschirrs am Boden des aufgestellten Gargeschirrs reflektiert und von dem Infrarot-Sensor gemessen werden könnte. Alternativ oder zusätzlich könnte der Infrarot-Sensor im Fall wenigstens eines aufgestellten Gargeschirrs eine Änderung einer Charakteristik eines durch den Infrarot-Sensor detektierten elektromagnetischen Strahlungsspektrums und damit insbesondere eine Anwesenheit des aufgestellten Gargeschirrs detektieren.The infrared sensor 24 is provided for detecting cooking utensils 18 set up in the partial area 14. For example, the hob device could comprise at least one light source, which could be arranged in the installed position below the hob plate and which could emit electromagnetic radiation in the direction of the hob plate, wherein the electromagnetic radiation emitted by the light source in the case of at least one raised Gargeschirrs reflected at the bottom of the raised Gargeschirrs and could be measured by the infrared sensor. Alternatively or additionally, in the case of at least one upright cookware, the infrared sensor could detect a change in a characteristic of an electromagnetic radiation spectrum detected by the infrared sensor and thus, in particular, a presence of the raised cooking utensil.

Der Infrarot-Sensor 24 und die Sensoreinheit 34 sind teilweise einstückig ausgebildet. Der Infrarot-Sensor 24 detektiert eine Temperatur eines Bodens von aufgestelltem Gargeschirr 18. Der Infrarot-Sensor 24 detektiert in der Einbaulage eine Temperatur eines Bodens von aufgestelltem Gargeschirr 18 insbesondere in der Einbaulage von unterhalb der Kochfeldplatte 28. In der Einbaulage ist der Infrarot-Sensor 24 in dem Teilbereich 14 angeordnet. Der Infrarot-Sensor 24 ist in der Einbaulage unterhalb der Kochfeldplatte 28 angeordnet. Der Infrarot-Sensor 24 definiert den Sensorbereich 20. Eine Größe des Sensorbereichs 20 ist im Wesentlichen identisch mit einer Größe des Infrarot-Sensors 24. Eine Position des Sensorbereichs 20 ist definiert durch eine Position des Infrarot-Sensors 24.The infrared sensor 24 and the sensor unit 34 are partially formed in one piece. The infrared sensor 24 detects a temperature of a floor of set up cooking utensils 18. The infrared sensor 24 detects in the installed position a temperature of a floor of set up cooking utensils 18 in particular in the installed position from below the hob plate 28. In the installed position is the infrared sensor 24 arranged in the partial area 14. The infrared sensor 24 is arranged in the installed position below the hob plate 28. The infrared sensor 24 defines the sensor area 20. A size of the sensor area 20 is substantially identical to a size of the infrared sensor 24. A position of the sensor area 20 is defined by a position of the infrared sensor 24.

In einem Verfahren zum Betrieb der Kochfeldvorrichtung 10 wird in einem ersten Schritt ein Gargeschirr 18 in dem Teilbereich 14 des variablen Kochflächenbereichs 12 aufgestellt (vgl. Fig. 3). Im Fall einer Detektion des aufgestellten Gargeschirrs 18 in dem Teilbereich 14 wird einem Bediener durch die Steuereinheit 16 automatisch der Katalog von mehreren speziellen Heizprozessen zur Auswahl angeboten (vgl. Fig. 4). Die Steuereinheit 16 gibt über die Bedieneinheit 32 eine Anzahl von acht speziellen Heizprozessen aus. In einer Speichereinheit (nicht dargestellt) der Steuereinheit 16 sind unterschiedliche Algorithmen zur Durchführung verschiedener spezieller Heizprozesse gespeichert.In a method for operating the hob device 10, a cooking utensil 18 is placed in the partial region 14 of the variable cooking surface region 12 in a first step (cf. Fig. 3 ). In the case of detection of the erected cooking utensil 18 in the partial area 14, an operator is automatically offered the catalog of several special heating processes for selection by the control unit 16 (cf. Fig. 4 ). The control unit 16 outputs via the operating unit 32 a number of eight special heating processes. In a memory unit (not shown) of the control unit 16 different algorithms for performing various special heating processes are stored.

Der Katalog umfasst zwei temperaturkontrollierte Heizprozesse. Der Katalog umfasst vier Boost-Heizprozesse. Der Katalog umfasst zwei Heizprozesse unter Verwendung früherer Heizeinstellungen. Der Katalog umfasst zwei Grill-Heizprozesse. Für jede Art von speziellem Heizprozess umfasst der Katalog einen zum Kochen geeigneten speziellen Heizprozess. Der zum Kochen geeignete spezielle Heizprozess ist besonders geeignet für Gargeschirre 18 mit großem Volumen und/oder großer Höhe, wie insbesondere Kochtöpfe und/oder Schnellkochtöpfe. Der Katalog umfasst für jede Art von speziellem Heizprozess einen zum Braten geeigneten speziellen Heizprozess. Der zum Braten geeignete spezielle Heizprozess ist besonders geeignet für Gargeschirre 18 mit kleinem Volumen und/oder geringer Höhe, wie insbesondere Pfannen und/oder TeppanYaki-Platten.The catalog includes two temperature-controlled heating processes. The catalog includes four boost heating processes. The catalog includes two heating processes using previous heating settings. The catalog includes two grill heating processes. For every type of special heating process, the catalog includes a special heating process suitable for cooking. The special heating process suitable for cooking is particularly suitable for large-volume and / or high-height cookware 18, such as, in particular, cooking pots and / or pressure cookers. The catalog includes a special heating process suitable for frying for each type of special heating process. The special heating process suitable for frying is particularly suitable for small volume and / or low height cookware 18, such as pans and / or TeppanYaki plates in particular.

Im Fall der Boost-Heizprozesse umfasst der Katalog wenigstens einen Boost-Heizprozess mit einer vorbestimmten Zeitdauer. Im vorliegenden Ausführungsbeispiel umfasst der Katalog zwei Boost-Heizprozesse, welche jeweils eine vorbestimmte Zeitdauer aufweisen. Der Katalog umfasst einen Boost-Heizprozess mit vorbestimmter Zeitdauer, welcher zum Kochen geeignet ist. Der Katalog umfasst einen Boost-Heizprozess mit vorbestimmter Zeitdauer, welcher zum Braten geeignet ist.In the case of the boost heating processes, the catalog includes at least one boost heating process with a predetermined period of time. In the present embodiment, the catalog comprises two boost heating processes each having a predetermined period of time. The catalog includes a boost heating process of a predetermined period suitable for cooking. The catalog includes a boost heating process with a predetermined time, which is suitable for frying.

Der Katalog umfasst wenigstens einen Boost-Heizprozess mit einer erhöhten Zeitdauer, welche mindestens 120 %, insbesondere mindestens 140 %, vorteilhaft mindestens 160 %, besonders vorteilhaft mindestens 180 % und vorzugsweise mindestens 200 % der vorbestimmten Zeitdauer beträgt. Im vorliegenden Ausführungsbeispiel umfasst der Katalog zwei Boost-Heizprozesse, welche jeweils eine erhöhte Zeitdauer aufweisen. Der Katalog umfasst einen Boost-Heizprozess mit erhöhter Zeitdauer, welcher zum Kochen geeignet ist. Der Katalog umfasst einen Boost-Heizprozess mit erhöhter Zeitdauer, welcher zum Braten geeignet ist.The catalog comprises at least one boost heating process with an increased time duration, which amounts to at least 120%, in particular at least 140%, advantageously at least 160%, particularly advantageously at least 180% and preferably at least 200% of the predetermined time duration. In the present embodiment, the catalog comprises two boost heating processes, each of which has an increased duration. The catalog includes a boost heating process with increased time spent cooking suitable is. The catalog includes a boost heating process with increased time, which is suitable for frying.

Alternativ oder zusätzlich könnte der Katalog für jede Art von speziellem Heizprozess einen Heizprozess mit vorbestimmter Zeitdauer und einen Heizprozess mit erhöhter Zeitdauer umfassen.Alternatively or additionally, for each type of special heating process, the catalog could include a heating process of predetermined duration and a heating process of increased duration.

Der Bediener wählt über eine Bedieneingabe mittels der Bedieneinheit 32 einen speziellen Heizprozess aus dem Katalog an speziellen Heizprozessen aus. Die Steuereinheit 16 gibt in Abhängigkeit einer Bedieneingabe mittels der Bedieneinheit 32 eine Bedienaufforderung insbesondere an den Bediener zur Auswahl und/oder Eingabe eines Betriebsparameters aus, wie beispielsweise einer Heizleistung und/oder einer Heizleistungsdichte (vgl. Fig. 5). Die Steuereinheit 16 führt in Abhängigkeit einer Bedieneingabe mittels der Bedieneinheit 32 einen aus dem Katalog an speziellen Heizprozessen ausgewählten speziellen Heizprozess durch. In dem Verfahren wird durch die Steuereinheit 16 ein spezieller Heizprozess in dem Teilbereich 14 durchgeführt.The operator selects an operating process by means of the control unit 32 a special heating process from the catalog of special heating processes. The control unit 16 outputs an operating request, in particular to the operator, for selecting and / or inputting an operating parameter, such as a heating power and / or a heating power density, as a function of an operating input by means of the operating unit 32 (cf. Fig. 5 ). The control unit 16 performs a function of an operating input by means of the control unit 32 by a selected from the catalog special heating processes special heating process. In the method, a special heating process is carried out in the partial area 14 by the control unit 16.

Bezugszeichenreference numeral

1010
KochfeldvorrichtungHob device
1212
Variabler KochflächenbereichVariable cooking surface area
1414
Teilbereichsubregion
1616
Steuereinheitcontrol unit
1818
Gargeschirrcooking containers
2020
Sensorbereichsensor range
2222
Positionposition
2424
Infrarot-SensorInfrared sensor
2626
Kochfeldhob
2828
KochfeldplatteHotplate
3030
Heizelementheating element
3232
Bedieneinheitoperating unit
3434
Sensoreinheitsensor unit
3636
Sensorsensor

Claims (12)

Kochfeldvorrichtung mit zumindest einem variablen Kochflächenbereich (12), der zumindest einen Teilbereich (14) aufweist, welcher zur Durchführung spezieller Heizprozesse vorgesehen ist, und mit einer Steuereinheit (16), die dazu vorgesehen ist, im Fall einer Detektion eines aufgestellten Gargeschirrs (18) in dem Teilbereich (14) automatisch einen Katalog von mehreren speziellen Heizprozessen zur Auswahl anzubieten.Hob device with at least one variable cooking surface area (12) having at least a portion (14), which is provided for performing special heating processes, and with a control unit (16), which is provided in the event of detection of a raised cooking utensil (18) in the sub-area (14) to automatically offer a catalog of several special heating processes to choose from. Kochfeldvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Teilbereich (14) kleiner ist als der variable Kochflächenbereich (12).Hob device according to claim 1, characterized in that the portion (14) is smaller than the variable cooking surface area (12). Kochfeldvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass eine Größe des Teilbereichs (14) variabel ausgebildet ist.Hob device according to claim 2, characterized in that a size of the portion (14) is variable. Kochfeldvorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der Teilbereich (14) zumindest einen Sensorbereich (20) aufweist, welcher wenigstens im Wesentlichen eine Position (22) des Teilbereichs (14) festlegt.Cooking field device according to claim 2 or 3, characterized in that the partial region (14) has at least one sensor region (20) which at least substantially defines a position (22) of the partial region (14). Kochfeldvorrichtung nach einem der vorhergehenden Ansprüche, gekennzeichnet durch zumindest einen Infrarot-Sensor (24), der dazu vorgesehen ist, wenigstens eine Temperatur von in dem Teilbereich (14) aufgestelltem Gargeschirr (18) zu detektieren.Cooking-field device according to one of the preceding claims, characterized by at least one infrared sensor (24) which is provided to detect at least one temperature of cooking utensil (18) set up in the partial area (14). Kochfeldvorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass der Infrarot-Sensor (24) zu einer Detektion von in dem Teilbereich (14) aufgestelltem Gargeschirr (18) vorgesehen ist.Hob device according to Claim 5, characterized in that the infrared sensor (24) is provided for detecting cooking utensils (18) set up in the partial area (14). Kochfeldvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Katalog wenigstens einen temperaturkontrollierten Heizprozess umfasst.Hob device according to one of the preceding claims, characterized in that the catalog comprises at least one temperature-controlled heating process. Kochfeldvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Katalog wenigstens einen Boost-Heizprozess umfasst.Hob device according to one of the preceding claims, characterized in that the catalog comprises at least one boost heating process. Kochfeldvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Katalog wenigstens einen Heizprozess unter Verwendung früherer Heizeinstellungen umfasst.Hob device according to one of the preceding claims, characterized in that the catalog comprises at least one heating process using previous heating settings. Kochfeldvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Katalog wenigstens einen Grill-Heizprozess umfasst.Hob device according to one of the preceding claims, characterized in that the catalog comprises at least one grill heating process. Kochfeld, insbesondere Induktionskochfeld, mit zumindest einer Kochfeldvorrichtung (10) nach einem der vorhergehenden Ansprüche.Hob, in particular induction hob, with at least one hob device (10) according to one of the preceding claims. Verfahren zum Betrieb einer Kochfeldvorrichtung (10), insbesondere nach einem der Ansprüche 1 bis 10, mit zumindest einem variablen Kochflächenbereich (12), der zumindest einen Teilbereich (14) aufweist, in welchem spezielle Heizprozesse durchführbar sind, wobei im Fall einer Detektion eines aufgestellten Gargeschirrs (18) in dem Teilbereich (14) automatisch ein Katalog von mehreren speziellen Heizprozessen zur Auswahl angeboten wird.Method for operating a cooktop apparatus (10), in particular according to one of claims 1 to 10, having at least one variable cooktop area (12), which has at least one subarea (14) in which special heating processes can be carried out, wherein in the case of detection of an established cooktop Gargeschirrs (18) in the sub-area (14) is automatically offered a catalog of several special heating processes for selection.
EP16159628.3A 2015-04-09 2016-03-10 Hotplate device Active EP3082378B1 (en)

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IT201800004418A1 (en) * 2018-04-12 2019-10-12 Induction hob with automatic cooking
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EP2066148A1 (en) * 2007-11-28 2009-06-03 BSH Bosch und Siemens Hausgeräte GmbH Hob with a temperature sensor and user interface with a graphical display and method for operating a hob
WO2013118027A1 (en) * 2012-02-10 2013-08-15 BSH Bosch und Siemens Hausgeräte GmbH Induction cooking hob having an inductor coil field
EP2670211A2 (en) * 2012-05-31 2013-12-04 BSH Bosch und Siemens Hausgeräte GmbH Hotplate device
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2684518A1 (en) * 2017-03-30 2018-10-03 Bsh Electrodomésticos España, S.A. COOKING FIELD DEVICE (Machine-translation by Google Translate, not legally binding)
IT201800004418A1 (en) * 2018-04-12 2019-10-12 Induction hob with automatic cooking
DE102020116581A1 (en) 2020-06-24 2021-12-30 Miele & Cie. Kg Cooking device for a hob and hob with a cooking device

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EP3082378B1 (en) 2020-05-06
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