EP3013120B1 - Plaque de cuisson - Google Patents

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Publication number
EP3013120B1
EP3013120B1 EP15190189.9A EP15190189A EP3013120B1 EP 3013120 B1 EP3013120 B1 EP 3013120B1 EP 15190189 A EP15190189 A EP 15190189A EP 3013120 B1 EP3013120 B1 EP 3013120B1
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EP
European Patent Office
Prior art keywords
control unit
cookware
parameter
cooking
cooking utensil
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.)
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Application number
EP15190189.9A
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German (de)
English (en)
Other versions
EP3013120B2 (fr
EP3013120A1 (fr
Inventor
Carlos Bernal Ruiz
Antonio Bono Nuez
Sergio Llorente Gil
Bonifacio Martin Del Brio
Daniel Palacios Tomas
Julio Rivera Peman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
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Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
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Publication of EP3013120B1 publication Critical patent/EP3013120B1/fr
Publication of EP3013120B2 publication Critical patent/EP3013120B2/fr
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/05—Heating plates with pan detection means

Definitions

  • the invention relates to a hob device according to the preamble of patent claim 1 and a method for operating a hob device according to the preamble of patent claim 10.
  • a hob device with a sensor unit is already known from the prior art, which detects different cooking device parameters in the case of a set up cooking utensil.
  • the sensor unit detects, for example, a presence, a size and a shape of the set up cooking utensils.
  • the hob device also includes a control unit that evaluates the Garware characteristics for further processing.
  • the control unit assigns the cooking utensils, for example, a heating zone and controls to a heating of the cooking utensil in response to an operating input by means of a control unit of the cooktop device to a supply unit.
  • An automatic heating operation starts the control unit exclusively based on an operator input by means of the operating unit.
  • the German patent application DE 10 2008 041390 A1 discloses a cooktop apparatus with a monitoring unit for monitoring at least one cooking zone of a cooktop, which has at least one sensor unit, which is intended for detection in an infrared range.
  • the sensor unit has a plurality of infrared sensors, which are arranged in a sensor field.
  • a system for detecting cooker-related properties through a cooking surface with a solid surface includes a presence, an absence, a removal, a deployment, and other properties (for example, a size) a cooking utensil on the cooking surface.
  • An energy source heats the contents of a cooking appliance mounted on the cooking surface, and an optical radiation source is controlled to provide a questionnaire for the detection of the cooking appliance's characteristics.
  • the cooking appliance characteristics detection system may be part of a monitoring system for monitoring the characteristics of the cooking appliance, or it may be part of a control system for controlling the energy source depending on the detected characteristics of the cooking appliance, or it may be both.
  • the international patent application WO 2012/006674 A1 discloses a cooking appliance and method.
  • the cooking apparatus includes a temperature controlled heating element, a user interface that allows a user to select a predetermined item for cooking, and a processor module that has cooking data for cooking the aforementioned item and provides hints to the user during cooking.
  • the cooking data may refer to a cooking sequence or to a cooking process.
  • a cookware sensor for automatic cookware detection can be used.
  • the object of the invention is, in particular, to provide a generic hob device with improved properties in terms of high ease of use.
  • the object is achieved by the characterizing features of claims 1 and 10, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.
  • the invention is based on a cooktop device, in particular an induction cooktop device, with a sensor unit which is provided to detect at least one cooking appliance characteristic of at least one set up cooking utensil, and with a control unit, which is provided to evaluate the at least one cooking appliance parameter.
  • control unit be provided to evaluate at least one further cooking appliance parameter for further processing in addition to size and shape.
  • at least one part, in particular a subassembly, of a cooking field, in particular one Induction hob to be understood.
  • the hob device may also comprise the entire hob, in particular the entire induction hob.
  • a "sensor unit” should in particular be understood as a unit which has at least one sensor for detecting the at least one cooking appliance parameter and which in particular detects the at least one cooking appliance parameter detected by the at least one sensor in at least one electrical parameter, in particular in at least one electrical signal. converts and transmitted to the at least one electrical parameter advantageous to the control unit.
  • a "Gargeschirrkennting” should be understood as a physical and / or chemical size that characterizes the cooking utensil as such and / or defined, regardless of an operating condition.
  • the at least one Garwaren characteristic could be formed for example as a size and / or as a shape.
  • the at least one cooking dish parameter could alternatively or additionally be designed as a material and / or as a parameter characterizing a material of the at least one cooking utensil.
  • the at least one Garwaren characteristic could be formed as an electrical and / or thermal parameters, such as as a conductivity and / or as a permeability and / or as a thermal property, such as in particular a thermal conductivity or a heat capacity.
  • the at least one Garware characteristic could be formed as a type and / or as a kind of Gargeschirrs.
  • the at least one cooking appliance parameter may alternatively or additionally be a measured parameter that could be detected, in particular, by the sensor unit.
  • the additional cooking appliance parameter may alternatively or additionally be embodied, in particular, as a parameter which could be stored in a memory unit of the control unit and which in particular could be preprogrammed and / or which could have been stored in the memory unit, in particular by the control unit during at least one operating state.
  • the at least one further cooking cooking characteristic differs in particular from a heating zone, which is associated in particular with the at least one cooking utensil.
  • the at least one further cooking appliance characteristic differs from one Heating power and / or a Schutschsêt, which is assigned in particular the at least one cooking utensils and / or with which the control unit operates the at least one cooking utensil.
  • the at least one further cooking cooking parameter differs in particular from a temperature which has the at least one cooking utensil, in particular in a heating operating state.
  • the at least one further cooking cooking characteristic differs from a position at which, in particular, at least one cooking utensil is set up.
  • control unit is to be understood as meaning, in particular, an electronic unit which is preferably at least partially integrated in a control and / or regulating unit of a hob and which is preferably provided with at least one electrical component, in particular the hob device and / or the hob For example, at least one supply unit and / or at least one heating element to control and / 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.
  • control unit By the phrase that the control unit is intended to "evaluate" the at least one cooking appliance parameter, it should be understood in particular that the control unit identifies the at least one cooking appliance parameter and / or as the at least one parameter based on a parameter transmitted by the sensor unit Garware characteristic is formed, at least performs an action and / or initiates.
  • control unit By the phrase that the control unit "initiates" an action, it should be understood, in particular, that the control unit outputs at least one signal, in particular a command and / or an execution arrangement, to a further unit which subsequently executes the action.
  • the control unit could output the at least one signal to an operating unit, which in particular has an output unit, in order in particular to achieve an output to an operator, such as a prompt and / or information.
  • control unit could output the at least one signal to at least one supply unit, in particular the cooktop device and / or the cooktop, in order to achieve activation of at least one electrical element, such as at least one heating element.
  • control unit is intended to evaluate at least one cooking appliance parameter "for further processing"
  • the Control unit which evaluates at least one Gargeschirrkennulate associated with at least one Gargeschirr and keeps ready for subsequent processing and preferably also carries out the subsequent processing, in particular to determine a advantageously instantaneously and / or at a later time subsequent heating operation of at least one Gargeschirrs and / or simplify
  • 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.
  • the inventive design can be made possible in particular a high level of comfort for an operator.
  • high satisfaction can be achieved with an operator.
  • Particularly advantageous can / can be carried out an optimized heating operation and / or a good cooking result can be achieved.
  • an operator may be given an impression of a cunning control unit.
  • a clear distinction to competitors and / or competitors can be made possible.
  • the control unit is provided for recognizing the at least one cooking utensil, in particular one type of the at least one cooking utensil, on the basis of the at least one cooking utensil parameter.
  • the control unit allocates the at least one cooking utensil to a group of cooking utensils, such as a cooking group and / or a roasting group and / or a pan group and / or a fryer group and / or a Teppan Yaki group.
  • a heating operation optimized for the at least one cooking utensil can be selected and / or performed.
  • the control unit could be provided, in particular, for recognizing at least one particularly arbitrary and advantageously previously unknown cooking utensil on the basis of the at least one cookingware characteristic.
  • the control unit is provided to recognize the at least one cooking utensil based on the at least one cooking utensil parameter.
  • the at least one cooking dish parameter is designed in particular as a parameter that is advantageously stored in the memory unit of the control unit. This can in particular a short processing time and / or a small number of actions and in particular to calculation steps of the control unit are achieved.
  • control unit be provided for comparing the at least one cooking appliance parameter with at least one reference parameter stored in a memory unit of the control unit, in particular in the memory unit of the control unit, for the detection and / or, in particular, the recognition of the at least one cooking appliance.
  • the control unit takes on at least one identification of the at least one cooking utensil when recognizing and / or recognizing the at least one cooking utensil, wherein the control unit advantageously has a size and / or a shape of the at least one cooking utensil with the at least one reference parameter stored in the memory unit compares.
  • a “reference parameter” is to be understood in particular to mean a past parameter which is designed in particular as a value of the at least one cooking appliance parameter and which is advantageously preprogrammed in the memory unit of the control unit and / or detected in at least one operating state, such as at least one heating operation subsequently stored by the control unit in the storage unit, in particular stored, has been.
  • a fast allocation of cooking parameters such as a heating power and / or a heating power density and / or a duty cycle, to which at least one cooking utensil can be made possible.
  • the control unit could classify the at least one cooking utensil as unknown and advantageously perform at least a majority and in particular all detection steps and / or computation steps, independently of a size of the deviation.
  • the control unit is preferably provided to use the at least one reference parameter in the event of a deviation of the at least one cooking appliance parameter from the at least one reference parameter within at least one tolerance range for further processing.
  • the control unit accepts the at least one cooking utensil in the event of a deviation of the at least one cooking utensil parameter from the at least one reference parameter within the at least one tolerance range as identified.
  • a "tolerance range" of a parameter, in particular of the at least one reference parameter should be understood to mean in particular a range in which at least one value is arranged which is at most 7%, in particular at most 5%, advantageously at most 4%, particularly advantageous a maximum of 3%, preferably by a maximum of 2% and more preferably by a maximum of 1% deviates from a value of the characteristic.
  • a lower necessary computing power can be achieved and / or a control unit that is easy to program can be provided.
  • in particular low costs and / or simple measuring programs can be achieved.
  • control unit be provided to store, in particular store, the at least one cooking appliance parameter in a memory unit of the control unit, in particular in the memory unit of the control unit, to form at least one reference parameter.
  • the control unit could, for example, be provided to remove the at least one first reference parameter from the memory unit in the case of a last use of at least one first time reference stored in the memory unit, in particular to erase it in order to advantageously free memory space in the memory unit To provide storage unit and / or in particular to achieve an effective and / or fast processing.
  • the control unit could have at least one free installation space for retrofitting a storage capacity of the storage unit.
  • control unit be provided to determine at least one operating mode based on a type of the identified at least one cooking utensil with which the at least one cooking utensil can be operated.
  • An "operating mode" is to be understood, in particular, as a type and / or a type of heating operation which in particular has at least one temperature to be reached in the heating operation and / or advantageously at least one result to be achieved. which is advantageously arranged in the at least one cooking utensil defined.
  • the at least one mode could be, for example, cooking and / or frying and / or frying and / or poaching and / or simmering and / or holding and / or steaming and / or steaming and / or cooking and / or pressure cooking and / or vacuum cooking and / or Low-temperature cooking.
  • an individual and / or targeted heating operation of the at least one cooking utensil can be achieved.
  • control unit be provided to advantageously propose to an operator the at least one operating mode with which the at least one cooking utensil is in particular operable.
  • control unit is provided to output the at least one operating mode to an operator by means of an output unit of an operating unit, in particular of the hob unit.
  • control unit is advantageously provided to start at least one particular temperature-controlled heating operation in time only after the operator input by means of the operating unit by the operator. This can be achieved in particular a high level of comfort for an operator.
  • control unit be provided to automatically and in particular automatically start at least one temperature-controlled heating operation on the basis of the at least one operating mode with which the at least one cooking utensil is operable.
  • the control unit is provided in particular for the at least one temperature-controlled heating operation in terms of time, in particular instantaneously and / or at a later time, after a determination of the at least one operating mode, in particular independently of an operator and / or advantageously independent of an operator input by means of the operating unit start.
  • a system is proposed with at least one cooking device according to the invention and with at least one cooking utensil, which is designed as a system cooking utensil, wherein the control unit has a memory unit in which at least one of the at least one Gargeschirr associated cooking utensil characteristic and / or at least one of the at least one Garware assigned additional function are stored / is.
  • a cooking utensils be understood, which is particularly advantageous in a delivery of a finished end product, in particular the hob is included in a delivery and / or is known in particular the control unit, in particular by at least one of the Gargeschirr associated cooking utensil characteristic and / or at least one of the Gargeschirr associated additional function.
  • the at least one additional function advantageously has at least one operating mode, which is especially adapted to the at least one cooking utensil, such as a roast on a pan and / or a cooking process on a cooking pot and / or a pressure cooking on a pressure cooker, in particular firmly closed is.
  • the at least one additional function defines and / or defines a use of at least one element, in particular at least one sensor, which is designed especially for the at least one cooking utensil, for example a frying sensor for a pan and / or a cooking sensor for a saucepan.
  • at least one element in particular at least one sensor, which is designed especially for the at least one cooking utensil, for example a frying sensor for a pan and / or a cooking sensor for a saucepan.
  • Fig. 1 shows a hob 20, which is formed as an induction cooktop, with a cooktop device 10, which is designed as an induction cooktop device.
  • the hob device 10 includes a hob plate 22. In a mounted state, the hob plate 22 is provided for setting up cooking utensils 14.
  • the hob apparatus 10 includes a plurality of heating elements 30.
  • the heating elements 30 define a variable cooking surface area 32.
  • the hob apparatus 10 includes forty-eight heating elements 30.
  • the hob apparatus could include fewer heating elements, such as two or four heating elements, which could in particular form a classic heating area in which heating zones are in particular fixed. In this case, a position of the heating zones could advantageously be defined by a position of the heating elements and in particular additionally be marked by markings on the hob plate.
  • the heating elements 30 are arranged in an installed position on a side facing away from the operator of the hob plate 22.
  • the heating elements 30 are each provided to heat cooking utensils 14 placed on the hob plate 22.
  • the heating elements 30 are designed as induction heating elements.
  • the hob device 10 comprises a supply unit 34 for supplying the heating elements 30 with energy.
  • the hob device 10 comprises an operating unit 24.
  • the operating unit 24 is provided for input and / or selection of operating parameters, for example a heating power and / or a heating power density and / or a heating mode and / or a heating zone.
  • the operating unit 24 is provided for outputting a value of an operating parameter to an operator. In this case, the operating unit could optically and / or acoustically output the value of the operating parameter to an operator.
  • the operating unit 24 has an output unit 26, which is provided for an optical and acoustic output of the 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 24.
  • the control unit 16 regulates an energy supply to the heating elements 30 in an operating state.
  • the control unit 16 activates the supply unit 34 in order to activate heating elements 30 assigned to one or more cooking utensils 14.
  • the control unit 16 operates the activated heating elements 30.
  • the control unit 16 controls the supply unit 34, which supplies the heating elements 30 with electric current.
  • the cooktop device 10 comprises a sensor unit 12.
  • the sensor unit 12 detects a cooking appliance parameter of a set up cooking utensil 14.
  • the sensor unit could be provided for a detection of a temperature parameter and / or a position parameter.
  • the sensor unit could be provided to detect a temperature parameter of the cooking utensil and / or a position characteristic of the cooking utensil.
  • the sensor unit could, for example, additionally be provided to detect a temperature characteristic of an applied food item and / or a position characteristic of an applied food item.
  • the temperature parameter is designed, in particular, as a value of a detected temperature and / or advantageously as a parameter that characterizes a value of a detected temperature, such as an amplitude and / or a magnitude and / or a pulse duration of an electrical signal.
  • the position characteristic is advantageously designed as a position of the cooking utensil and / or in particular as a position of heating elements, above which the cooking utensil is set up.
  • the sensor unit 12 has at least one sensor 28.
  • the sensor unit could have exactly one single sensor.
  • the sensor unit could have several and in particular a plurality of sensors. In the following, only one sensor 28 will be described, regardless of how many sensors 28 the sensor unit 12 has.
  • the sensor 28 detects the Gargeschirrkenn Vietnamese.
  • the sensor 28 detects the temperature characteristic and / or the position characteristic.
  • the sensor could be a Gargeschirrkennging a Gargeschirrs, in particular a Gargeschirr foundeds and / or a cooking utensil sidewall, wherein the control unit could heat the cooking utensil in particular for carrying out a heating operation designed as a frying process.
  • the senor could detect a temperature characteristic of a food and / or a position characteristic of a cooking product, which could be located in particular in a cooking utensil, in particular to perform a cooking operation designed as a heating operation.
  • a temperature characteristic of a food and / or a position characteristic of a cooking product which could be located in particular in a cooking utensil, in particular to perform a cooking operation designed as a heating operation.
  • the temperature characteristic and / or the position characteristic will / will not be described in further detail since these are not decisive for the invention.
  • a sensor 28a could be provided, which could be arranged on a side of the hob plate 22 facing away from the operator and, in particular, could be designed as an infrared sensor.
  • the sensor 28a could detect a Gargeschirrkenn-containing a Gargeschirrteils by the sensor 28a detects in particular coming from the Gargeschirrêt infrared radiation.
  • a sensor 28b could additionally be provided which could be arranged on the side of the hob plate 22 facing away from the operator and, in particular, could be designed as a measuring resistor.
  • the sensor 28b could change its resistance as a function of a temperature, the sensor 28b in particular being able to detect a parameter which indicates a temperature and is transmitted from the cooking utensil 14 through the hob plate 22 to the sensor 28b.
  • a sensor 28c could be integrated in a measuring dome.
  • the measuring dome could be arranged on an edge of a heating area.
  • the measuring dome could be movably arranged relative to the hob plate 22.
  • the measuring dome could in particular be arranged on the side of the hob plate 22 facing away from the operator.
  • the measuring dome could be moved from the side of the hob plate 22 facing away from the operator to an operator-facing side of the hob plate 22.
  • the sensor 28c could be advantageously designed as an infrared sensor.
  • the sensor 28c could detect incoming infrared radiation from the cooking utensil 14, in particular a Garware characteristic of Gargeschirrs 14 to detect.
  • the sensor 28c in particular for detecting the temperature characteristic, could detect infrared radiation coming from a food to be cooked in the cooking utensil 14, in order in particular to detect a temperature of the food to be cooked in the cooking utensil 14.
  • a sensor 28d, 28e could also be arranged directly on the cooking utensil 14 (cf. Fig. 2 ).
  • a sensor 28d could be provided for attachment to a side wall of the cooking utensil 14.
  • the sensor 28d could detect a cooking utensil characteristic of the cooking utensil 14, such as a sidewall material.
  • the sensor 28d could in particular detect a temperature characteristic of the cooking utensil 14, such as, for example, a temperature of the side wall of the cooking utensil 14 and / or the cooking utensil floor.
  • the sensor 28d could in particular have a measuring resistor.
  • the sidewall mounted sensor 28d could include an infrared sensor.
  • the senor 28d could, in particular, detect an infrared radiation emitted by the side wall of the cooking utensil 14, in order in particular to detect a cooking appliance characteristic of the cooking utensil 14.
  • the sensor 28d in particular for detecting the temperature characteristic, could detect infrared radiation emitted by a cooking product located in the cooking utensil 14 in order to detect, in particular, a parameter characterizing a temperature of the cooking product located in the cooking utensil 14.
  • a sensor 28e could additionally be provided for direct contact with a cooking product located in the cooking utensil 14.
  • the sensor 28e could include a sensor that detects a temperature characteristic, such as a parameter indicative of a temperature, of the food in the cooking utensil 14, such as by changing a resistance in response to a temperature of the food in the cookware 14.
  • a sensor 28f could be formed substantially in one piece with a heating element 30 of the heating elements 30.
  • the sensor 28f could detect a Gargeschirrkennhim particular by an electrical parameter.
  • the sensor unit 12 uses to detect the Garware characteristic with the sensor 28f For example, the supply unit 34.
  • Such a method is already known from the prior art and will therefore not be further elaborated.
  • an arrangement and / or specific embodiment of the sensor 28 is not the subject of this invention, which is why a more detailed representation is omitted here. In the following, only a single sensor 28 will generally be described.
  • the sensor unit 12 transmits a detected cooking appliance parameter to the control unit 16.
  • the control unit 16 evaluates the cooking appliance characteristic which the sensor unit 12 transmits to the control unit 16.
  • the control unit 16 in addition to size G and form evaluates a further Gargeschirrkennling.
  • any cooking utensil 14a such as an in Fig. 1 and 2 shown cooking utensil 14a, is set up by an operator.
  • a method for operating the hob device 10, in which the Garware characteristic of the set up Gargeschirrs 14 a is detected and evaluated, and in which in addition to size G and form further Gargeschirrkennhimn be evaluated for further processing is hereinafter with reference to Fig. 3 described.
  • the sensor unit 12 After setting up a cooking utensil 14, the sensor unit 12 detects several Gargeschirrkennhimn the set up cooking dishes 14. In the following, only one Gargeschirrkennhimn will be described.
  • the sensor unit 12 uses at least one sensor 28 for detecting the cooking appliance parameter.
  • the sensor unit 12 uses the sensor 28 f, which is formed essentially in one piece with a heating element 30.
  • the sensor 28 f is intended to be activated by the supply unit 34.
  • the control unit 16 controls the supply unit 34 to supply the sensor unit 12.
  • the supply unit 34 sends electrical signals to the sensor 28f.
  • the sensor 28f detects the Gargeschirrkennificat based on the electrical signals.
  • the sensor unit 12 transmits the detected cooking utensil parameter to the control unit 16.
  • the control unit 16 controls the supply unit 34 in order to determine a power with which the erected cooking utensil 14 can be operated.
  • the cooktop apparatus 10 comprises at least one analog-to-digital converter 36, which is intended to convert analog input signals into digital output signals.
  • the hob device 10 comprises two analog-to-digital converters 36. In the following, only one of the analog-to-digital converters 36 will be described described.
  • the analog-to-digital converter 36 has a high resolution.
  • a signal input of the analog-to-digital converter 36 is connected to a signal output of the supply unit 34.
  • a signal output of the analog-to-digital converter 36 is connected to a signal input of the control unit 16.
  • the analog-to-digital converter 36 is provided for conversion of a voltage-based signal.
  • the analog-to-digital converter 36 transmits a waveform of a voltage over time to the control unit 16.
  • the analog-to-digital converter 36 is provided for conversion of a current-based signal.
  • the current-based signal of the analog-to-digital converter 36 transmits a course of an electrical current over time to the control unit 16.
  • a signal output of the analog-to-digital converter 36 is connected to a signal input of the control unit 16.
  • the control unit 16 converts the time-dependent signals transmitted by the analog-digital converter 36 into frequency-dependent signals 42 in a signal transformation step 40.
  • a power determination step 44 the control unit 16 determines based on the frequency-dependent signals 42, a power that is suitable for operation of the set up Gargeschirrs 14.
  • the control unit 16 determines in the power determination step 44 based on the frequency-dependent signals 42, a phase which is suitable for operation of the set up Gargeschirrs 14.
  • the control unit 16 determines a power signal 46.
  • the power signal 46 has the phase and the power that are suitable for an operation of the set up cooking harness 14.
  • the control unit 16 determines a power factor 48 of the cooking utensil 14 in the power determination step 44.
  • the control unit 16 has a memory unit 50.
  • a dependency of the power factor 48 on a size G of the cooking utensil 14 is stored.
  • Fig. 4 shows such a dependence of the power factor 48 on a size G of the cooking utensil 14.
  • a size G of the cooking utensil 14 and on an ordinate the power factor 48 are plotted.
  • At least two value pairs of the power factor 48 and the size G of the cooking utensil 14 are stored in the memory unit 50.
  • a multiplicity of value pairs of the power factor 48 and the size G of the cooking utensil 14 are stored in the memory unit 50.
  • a plurality of value pairs are stored in the storage unit 50, each of which is defined by one type of cooking utensil 14 differ.
  • the different kinds of cooking utensils 14 are indicated by different symbols.
  • at least one value pair for each type of cooking utensil which is designed as a coffee maker and / or has a non-ferromagnetic material and / or comprises the stainless steel and / or comprises the steel and / or the one could be deposited in the storage unit Has coating of enamel and / or having a steel alloy.
  • a curve adjustment 52 is deposited in the storage unit 50 to a cooking utensil 14, which has stainless steel.
  • the control unit 16 stores the power factor 48 of the cooking utensil 14 in the storage unit 50.
  • the control unit 16 determines an impedance of the cooking utensil 14 on the basis of the frequency-dependent signal 42.
  • the control unit 16 determines an inductance of the cooking utensil 14 in the impedance determination step 54 on the basis of the frequency-dependent signal 42 Power factor determine the impedance and / or the inductance of the cooking utensils.
  • the control unit 16 determines an impedance signal 56 in the impedance determination step 54.
  • the impedance signal 56 has the impedance of the cooking utensil 14.
  • the impedance signal 56 has the inductance of the cooking utensil 14.
  • the control unit 16 stores the impedance signal 56 of the cooking utensil 14 in the storage unit 50.
  • the control unit 16 determines a cooking utensil signal 58.
  • the control unit 16 determines the size G of the cooking utensil 14 based on the power factor 48 of the cooking utensil 14.
  • the size G of the cooking utensil 14 is essentially a diameter of the cooking utensil 14 trained.
  • the control unit 16 determines electrical properties of the cooking utensil 14 on the basis of the cooking utensil signal 58 and on the basis of the power factor 48.
  • the cooking utensil signal 58 has a size G of the cooking utensil 14.
  • the cooking utensil signal 58 has electrical properties of the cooking utensil 14.
  • the control unit 16 is provided on the basis of the stored in the memory unit 50 parameters, such as the dependence of the power factor 48 of a size G of the cooking utensil 14 and / or the power factor 48 determined by the control unit 16 in the power determination step 44 to distinguish between different types of cooking utensils 14.
  • a material determination step 60 the control unit 16 determines a material of the cooking utensil 14 based on the parameters of the cooking utensil 14 stored in the storage unit 50.
  • the control unit 16 determines the material of the cooking utensil 14.
  • the control unit 16 determines the material of the cooking utensil 14 Base of the cooking utensil signal 58.
  • the control unit 16 determines a material signal 62 in the material determination step 60.
  • the material signal 62 comprises the material of the cooking utensil 14.
  • a size adjustment step 64 the control unit 16 adjusts the determined quantity G.
  • the control unit 16 determines a size adjustment factor 66 in the size adjustment step 64.
  • the size adjustment step 64 and the size adjustment factor 66 will be explained in more detail below.
  • the control unit 16 has an operator interface 68.
  • the operator interface 68 is in contact with the operating unit 24.
  • the operator interface 68 is provided for exchanging information with the operating unit 24.
  • the control unit 16 reads in by means of the user interface 68 an input by an operating input by means of the operating unit 24 heating power and / or Walkeradossêt.
  • an allocation step 70 the control unit 16, based on the size adjustment factor 66, assigns the input heating power and / or the heating power density to the cooking utensil 14.
  • the control unit 16 determines in the allocation step 70 an input desired heating power of the cooking utensil 14.
  • the term entered desired heating power has a heating power and / or a heating power density of the cooking utensil 14.
  • a power control cycle 72 the control unit 16 determines a value of a measured power of the cooking utensil 14 based on the power factor 48.
  • a power comparing step 74 the control unit compares the measured power of the cooking utensil with the input desired heating power.
  • the control unit 16 controls in the power control cycle 72 a value of the measured power to the value of the input target heating power.
  • the control unit 16 determines a power error factor 76.
  • the control unit 16 determines the Power error factor 76 based on the value of the measured power and the value of the entered desired heating power.
  • the control unit 16 performs a regulatory step 78 based on the power error factor 76. On the basis of the power error factor 76, the control unit 16 determines in the regulation step 78 a regulation parameter 80 with which the cooking utensil 14 can be operated. The control unit 16 determines, based on the power error factor 76 in the regulation step 78, a duty cycle and a frequency suitable for operation of the cooking utensil 14 to control the value of the measured power to the value of the input target heating power.
  • the regulation parameter 80 has the duty cycle, which is suitable for operation of the cooking utensil 14.
  • the regulation parameter 80 has the frequency suitable for operation of the cooking utensil 14.
  • a modulation step 82 the control unit 16 modulates the duty cycle and the frequency of the cooking utensil 14.
  • the control unit 16 determines a modulation signal 84 in the modulation step 82.
  • the modulation signal 84 has the superimposed parameters of the duty cycle and the frequency which lead to an operation of the cooking utensil 14 are suitable.
  • the control unit 16 outputs the modulation signal 84 to the supply unit 34.
  • the supply unit 34 activates the heating elements 30 associated with the cooking utensil 14 on the basis of the modulation signal 84.
  • the control unit 16 continuously repeats the power control cycle 72 in order to achieve a regulation of the value of the measured power to the value of the entered desired heating power.
  • an operator sets up any cooking utensil 14a which has hitherto been unknown to the control unit 16 (cf. Fig. 1 ).
  • the cooking utensil 14a is designed as a saucepan.
  • the control unit 16 recognizes the cooking utensil 14a.
  • the control unit 16 assigns a group of cooking utensils 14 to the cooking utensil 14a for recognition.
  • the storage unit 50 a plurality of different groups of cooking utensils 14 are stored.
  • the control unit 16 compares the cooking utensil characteristics with reference parameters stored in the memory unit 50 of the control unit 16.
  • the control unit 16 assigns the cooking utensils 14a to a cooking group.
  • the control unit 16 For determining operating parameters for the cooking utensil 14a, the control unit 16 issues a prompt to the operator by means of the operating unit 24.
  • the control unit 16 operates the cooking utensil 14a on the basis of the input desired heating power.
  • the control unit 16 controls a heating power density supplied to the cooking utensil 14a to the one target heating power density which the control unit 16a determines based on the input target heating power.
  • the control unit has determined a shape, a size G, a material and a type of cooking utensil on the basis of the parameters detected by the sensor unit, in particular the cookingware parameters and / or the temperature characteristics and / or the position characteristics.
  • the control unit 16 stores the cooking utensil characteristics associated with the cooking utensil 14a in the storage unit 50 of the reference characteristic forming unit 16. In addition, the control unit 16 stores the position characteristics and / or the temperature characteristics associated with the cooking utensil 14a in the storage unit 50 of the control unit 16 to form additional reference characteristics.
  • the control unit 16 recognizes the cooking utensils 14a again on the basis of the cooking utensil characteristics. For the recognition of the cooking utensil 14 a, the control unit 16 compares the cooking appliance parameters with reference parameters stored in the storage unit 50 of the control unit 16. The stored in the memory unit 50 reference characteristics has deposited the control unit 16 in a previous heating operation of the cooking utensils 14a in the storage unit 50. In the case of a recognition of a cooking utensil 14, the control unit 16 skips several process steps, such as the material detection step 60 and / or the size adjustment step 64 and / or the power control cycle 72. The control unit 16 proposes a heating power, in particular one, to the operator in the event of a recognition of a cooking utensil 14 Schudens Why, and / or a mode before.
  • an operator sets up a second cooking utensil 14b (see FIG. Fig. 5 ).
  • the second cooking utensil 14b differs from the cooking utensil 14a by a diameter of a cooking utensil floor.
  • the cooking utensil 14a has a diameter of substantially 18 cm.
  • the second cooking utensil 14b has for example, a diameter of substantially 17.5 cm.
  • the Garware characteristic in the form of the size G deviates from the stored in the memory unit 50 reference characteristic. A deviation from the reference parameter lies within a tolerance range.
  • the control unit 16 uses the reference characteristic in the event of a deviation of the cooking cooking parameter from the reference parameter within the tolerance range for further processing.
  • the control unit 16 for the second cooking utensil 14b uses a cooking utensil size G of substantially 18 cm.
  • an operator sets a cooking utensil 14c (see FIG. Fig. 6 ).
  • the cooking utensil 14c is formed as a system cooking utensil.
  • the hob device 10 and the cooking utensil 14c are part of a system 18.
  • the cooking utensil 14c associated Gargeschirrkennles are stored.
  • the Gargeschirrkennerien have a kind of Gargeschirrs 14c.
  • the cooking utensils 14 c associated additional functions are stored.
  • the additional functions have sensors 28 which are suitable for a heating operation of the cooking utensil 14c.
  • the cooking utensil 14c is formed as a pan.
  • the control unit 16 identifies the cooking utensil 14c as system cooking utensils. Based on a type of the identified cooking utensil 14c, the control unit 16 determines a mode with which the cooking utensil 14c is operable. The control unit 16 suggests the determined operating mode with which the cooking utensil 14c can be operated by means of the operating unit 24 to an operator. The control unit 16 waits for an operation input by the operation unit 24 before starting a heating operation of the cooking utensil 14c. Alternatively, the control unit 16, in addition to proposing the mode by means of the operating unit 24 based on the mode automatically start a temperature-controlled heating operation.
  • the control unit 16 uses a sensor 28a, which in particular could be arranged on a side of the hob plate 22 facing away from the operator and, in particular, could be designed as an infrared sensor.
  • a cooking utensil 14d could be designed, for example, as a TeppanYaki plate (cf. Fig. 7 ).
  • the cooking utensil 14d is designed as a system cooking utensil.
  • the cooking utensil 14d covers a plurality of heating elements 30.
  • the control unit 16 strikes the operator Additional function for the cooking utensils 14d before. According to the additional function, the control unit 16 assigns to the cooking utensil 14d an operating mode suitable for the cooking utensil 14d.
  • the control unit assigns the cooking utensil 14d two heating zones.
  • a first heating zone which is associated with the cooking utensil 14d designed as a TeppanYaki plate, is provided for heating cooking products.
  • a second heating zone which is associated with the cooking utensil 14d designed as a TeppanYaki plate, is provided for keeping food items warm.
  • control unit 16 activates special additional functions.
  • the control unit 16 releases additional symbols assigned to the additional functions.
  • the additional symbols are deactivated and hidden, such as unlit and / or concealed, arranged in a cooking dishes 14 designed differently from a system cooking dishes.

Landscapes

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

Claims (10)

  1. Dispositif de champ de cuisson, en particulier dispositif de champ de cuisson à induction, avec une unité de capteurs (12) prévue afin de détecter au moins une grandeur caractéristique d'élément de batterie de cuisine d'au moins un élément de batterie de cuisine utilisé (14), avec une unité de commande (16) prévue afin d'évaluer l'au moins une grandeur caractéristique d'élément de batterie de cuisine, et avec plusieurs éléments chauffants (30), dans lequel les éléments chauffants (30) définissent une zone de surface de cuisson variable (32), dans lequel l'unité de commande (16) est prévue afin d'évaluer, outre la taille et la forme, au moins une grandeur caractéristique d'élément de batterie de cuisine supplémentaire pour un traitement supplémentaire, caractérisé en ce que l'unité de commande (16) est prévue afin de reconnaître, sur la base de l'au moins une grandeur caractéristique d'élément de batterie de cuisine l'au moins un élément de batterie de cuisine (14), dans lequel l'unité de commande (16) est prévue afin de reconnaître une nouvelle fois, sur la base de l'au moins une grandeur caractéristique d'élément de batterie de cuisine, l'au moins un élément de batterie de cuisine (14), et dans lequel la grandeur caractéristique d'élément de batterie de cuisine est une grandeur physique et/ou chimique, qui caractérise et/ou définit l'élément de batterie de cuisine (14) en tant que tel, indépendamment d'un état de fonctionnement.
  2. Dispositif de champ de cuisson selon la revendication 1, caractérisé en ce que l'unité de commande (16) est prévue afin de comparer l'au moins une grandeur caractéristique d'élément de batterie de cuisine à au moins une grandeur caractéristique de référence enregistrée dans une unité de mémoire (50) de l'unité de commande (16) pour la reconnaissance de l'au moins un élément de batterie de cuisine (14).
  3. Dispositif de champ de cuisson selon la revendication 2, caractérisé en ce que l'unité de commande (16) est prévue, en cas de divergence de l'au moins une grandeur caractéristique d'élément de batterie de cuisine par rapport à l'au moins une grandeur caractéristique de référence à l'intérieur d'au moins une zone de tolérance, afin d'utiliser l'au moins une grandeur caractéristique de référence pour la suite du traitement.
  4. Dispositif de champ de cuisson selon l'une des revendications précédentes, caractérisé en ce que l'unité de commande (16) est prévue afin d'enregistrer l'au moins une grandeur caractéristique d'élément de batterie de cuisine dans une unité de mémoire (50) de l'unité de commande (16) pour la constitution d'au moins une grandeur caractéristique de référence.
  5. Dispositif de champ de cuisson selon l'une des revendications précédentes, caractérisé en ce que l'unité de commande (16) est prévue afin de déterminer, sur la base d'un type de l'au moins un élément de batterie de cuisine (14) identifié, au moins un mode de fonctionnement selon lequel l'au moins un élément de batterie de cuisine (14) peut être exploité.
  6. Dispositif de champ de cuisson selon la revendication 5, caractérisé en ce que l'unité de commande (16) est prévue afin de proposer l'au moins un mode de fonctionnement.
  7. Dispositif de champ de cuisson selon la revendication 5 ou 6, caractérisé en ce que l'unité de commande (16) est prévue afin de lancer, sur la base de l'au moins un mode de fonctionnement, automatiquement au moins un mode de chauffe à température régulée.
  8. Système avec au moins un dispositif de champ de cuisson (10) selon l'une des revendications précédentes et avec au moins un élément de batterie de cuisine (14) exécuté sous la forme d'un élément de batterie de cuisine systémique, dans lequel l'unité de commande (16) présente une unité de mémoire (50), dans laquelle au moins une grandeur caractéristique d'élément de batterie de cuisine affectée à l'au moins un élément de batterie de cuisine (14) et/ou au moins une fonction supplémentaire affectée à l'au moins un élément de batterie de cuisine (14) est/sont enregistrée(s).
  9. Champ de cuisson, en particulier champ de cuisson à induction, avec au moins un dispositif de champ de cuisson (10) selon l'une des revendications 1 à 7.
  10. Procédé pour une exploitation d'un dispositif de champ de cuisson (10), en particulier selon l'une des revendications 1 à 7, avec plusieurs éléments chauffants (30), dans lequel les éléments chauffants (30) définissent une zone de surface de cuisson variable (32), dans lequel au moins une grandeur caractéristique d'élément de batterie de cuisine d'au moins un élément de batterie de cuisine (14) utilisé est détectée et évaluée, dans lequel, outre la taille et la forme, au moins une grandeur caractéristique d'élément de batterie de cuisine supplémentaire est évaluée pour un traitement supplémentaire, caractérisé en ce que, sur la base de l'au moins une grandeur caractéristique d'élément de batterie de cuisine, une unité de commande (16) reconnaît l'au moins un élément de batterie de cuisine (14), dans lequel, sur la base de l'au moins une grandeur caractéristique d'élément de batterie de cuisine, l'unité de commande (16) reconnaît à nouveau l'au moins un élément de batterie de cuisine (14), et dans lequel la grandeur caractéristique d'élément de batterie de cuisine est une grandeur physique et/ou chimique, qui caractérise et/ou définit l'élément de batterie de cuisine (14) en tant que tel, indépendamment d'un état de fonctionnement.
EP15190189.9A 2014-10-23 2015-10-16 Plaque de cuisson Active EP3013120B2 (fr)

Applications Claiming Priority (1)

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ES201431558A ES2569577B1 (es) 2014-10-23 2014-10-23 Dispositivo de campo de cocción por inducción con sensor para detectar parámetros de una batería de cocción, sistema de dispositivo y batería, campo de cocción y procedimiento para accionar dicho dispositivo.

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EP3013120A1 EP3013120A1 (fr) 2016-04-27
EP3013120B1 true EP3013120B1 (fr) 2019-08-28
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KR102266358B1 (ko) * 2019-04-18 2021-06-17 엘지전자 주식회사 사용자 경험 및 사용자 인터페이스가 개선된 유도 가열 장치

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EP0780081B1 (fr) 1995-12-23 2001-12-12 AEG Hausgeräte GmbH Méthode pour régler automatiquement des emplacements de cuisson chauffants
EP1094688B1 (fr) 1999-10-22 2008-02-06 General Electric Company Table de cuisson et système de surveillance comprenant la détection des propriétés d'un ustensile à travers ladite table de cuisson qui posséde une surface solide
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EP2211591A1 (fr) 2009-01-22 2010-07-28 BSH Bosch und Siemens Hausgeräte GmbH Procédé de fonctionnement d'un champ de cuisson doté d'une multitude d'éléments de chauffage
EP2242328A2 (fr) 2009-04-17 2010-10-20 BSH Bosch und Siemens Hausgeräte GmbH Procédé de détection d'éléments de vaisselle de cuisson sur un champ de cuisson à matrice
EP2527747A1 (fr) 2011-05-24 2012-11-28 Diehl AKO Stiftung & Co. KG Dispositif de commande d'un champ de cuisson
EP2533605A2 (fr) 2011-06-06 2012-12-12 General Electric Company Détection de poêle de cuisson à induction
EP2571331A1 (fr) 2011-09-15 2013-03-20 Electrolux Home Products Corporation N.V. Générateur d'induction pour dispositifs de chauffage à induction et procédé de fonctionnement d'un générateur d'induction pour éléments de chauffage par induction
WO2013136218A1 (fr) 2012-03-14 2013-09-19 BSH Bosch und Siemens Hausgeräte GmbH Dispositif table de cuisson
EP2670211A2 (fr) 2012-05-31 2013-12-04 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de champ de cuisson
EP2688364A1 (fr) 2012-07-20 2014-01-22 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de champ de cuisson
DE102013218715A1 (de) 2012-10-19 2014-04-24 BSH Bosch und Siemens Hausgeräte GmbH Kochfeldvorrichtung

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EP3013120B2 (fr) 2022-08-24
ES2569577A2 (es) 2016-05-11
ES2569577R1 (es) 2016-05-18
ES2569577B1 (es) 2017-03-01
EP3013120A1 (fr) 2016-04-27

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