EP3028540B1 - Ensemble table de cuisson - Google Patents

Ensemble table de cuisson Download PDF

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Publication number
EP3028540B1
EP3028540B1 EP14786275.9A EP14786275A EP3028540B1 EP 3028540 B1 EP3028540 B1 EP 3028540B1 EP 14786275 A EP14786275 A EP 14786275A EP 3028540 B1 EP3028540 B1 EP 3028540B1
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EP
European Patent Office
Prior art keywords
heating
heating element
heating elements
cooking surface
unit
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
EP14786275.9A
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German (de)
English (en)
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EP3028540A1 (fr
Inventor
Ignacio Garde Aranda
Oscar Gracia Campos
Ignacio Millan Serrano
Daniel Palacios Tomas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP3028540A1 publication Critical patent/EP3028540A1/fr
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Publication of EP3028540B1 publication Critical patent/EP3028540B1/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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/03—Heating plates made out of a matrix of heating elements that can define heating areas adapted to cookware randomly placed on the heating plate

Definitions

  • the invention is based on a hob device according to the preamble of claim 1.
  • a cooktop device specifically an induction cooktop device, with five heating elements for heating up cooked dishes and with two heating frequency units, each of which two of the heating elements are assigned, has been proposed.
  • an induction hob with a number of inductors and a number of inverters for supplying the inductors with a heating current via a respective circuit and with a switching device for closing and interrupting the circuit is known.
  • This induction hob has several groups of several inductors, the switching device being designed to connect the inductors from one group in different switching positions to different inverters.
  • An induction hob with a heating unit for heating a vessel, which is arranged in a heating area, is known, the heating unit comprising a plurality of heating coils, which each form heating areas.
  • the induction hob has a plurality of inverters which supply a control voltage to one or more of the heating coils.
  • a control unit records heating areas in which the vessel is located and controls several inverters with one control command. With a large number of relays, opening and closing signals connect several heating coils to the inverters in accordance with the heating areas detected by the control unit.
  • the object of the invention is, in particular, to provide a generic device with improved properties with regard to high flexibility and / or high efficiency.
  • the object is achieved by the features of patent claim 1, while advantageous refinements and developments of the invention can be found in the subclaims.
  • the invention is based on a cooktop device, in particular an induction cooktop device, with at least five, in particular at least six, advantageously at least seven, particularly advantageously at least eight, preferably at least nine, advantageously at least ten heating elements, at least for heating up cooked dishes and with at least two, in particular at least three, advantageously at least four heating frequency units, each of which is assigned at least two of the heating elements.
  • the cooktop device have at least one circuit arrangement, which is intended to connect at least one further of the heating elements to different heating frequency units in different operating modes, in particular depending on all the cooking utensils set up and / or depending on at least one operating input by means of at least one operating unit to couple.
  • a “heating element” is to be understood in particular as an element which is intended to transmit at least a large part of electrical energy to a cookware, at least in one operating mode, preferably through at least one base body forming a cooking surface, and / or electrical energy in heat convert, in particular to heat at least one set of cooking utensils, preferably through at least one base body forming a cooking surface.
  • the heating element is intended to transmit a power of at least 100 W, in particular at least 500 W, advantageously at least 1000 W, preferably at least 2000 W, in at least one operating mode in which the heating element is connected to a heating frequency unit.
  • the heating element is designed as an induction heating element.
  • An “induction heating element” is to be understood in particular as a wound electrical conductor through which high-frequency alternating current flows in at least one operating mode.
  • the induction heating element is intended to convert electrical energy into an alternating magnetic field which is intended to cause eddy currents and / or magnetic reversal effects in a metallic, preferably at least partially ferromagnetic, cookware, which are converted into heat.
  • the induction heating element is preferably provided to cause the cooking utensils to heat up.
  • the induction heating element is preferably provided for converting electrical energy into electromagnetic energy in the operating mode To convert field energy, which is ultimately converted into heat in a suitable cookware.
  • at least the further heating element is arranged in a half-bridge circuit.
  • at least part of the, advantageously at least a large part of, preferably all the heating elements are arranged in a half-bridge circuit.
  • it is conceivable that at least the further heating element is arranged in a full-bridge circuit.
  • the hob device comprises at least one control unit which is provided to operate at least one of the heating elements.
  • a “control unit” is to be understood in particular to mean an electronic unit which is preferably at least partially integrated in a control and / or regulating unit of a hob and which is preferably intended to control and / or regulate at least the supply electronics.
  • the control unit preferably comprises a computing unit and in particular, in addition to the computing unit, a storage unit with a control and / or regulating program stored therein, which is intended to be executed by the computing unit.
  • the control unit comprises at least one driver electronics for generating at least one control signal for switching at least one switching element.
  • the phrase that the control unit is intended to "operate" at least one heating element is to be understood in particular to mean that the control unit is intended to control at least one heating frequency unit that supplies the heating element.
  • control unit is provided to operate heating elements covered by a single cookware with a common phase, at least in one operating state.
  • the control unit is intended to operate heating elements covered by a single cookware with at least substantially the same frequency, at least in one operating state.
  • control unit is provided to operate heating elements covered by a single cookware alternately at different frequencies, at least in one operating state.
  • control unit is provided, at least in one operating state, to operate heating elements covered by a single cookware with at least substantially the same frequency and to change at least one duty cycle.
  • control unit is intended to operate heating elements covered by a single cookware with "at least substantially the same frequency" in at least one operating state is to be understood in particular to mean that the control unit is intended to operate the heating elements in the operating state Frequencies too operate that differ by less than 200 Hz, in particular by less than 100 Hz, advantageously by less than 50 Hz, particularly advantageously by less than 20 Hz.
  • a “heating frequency unit” is understood to mean an electrical unit that generates an oscillating electrical signal with a frequency of at least 10 kHz for at least one heating element. This frequency is advantageously at least 20 kHz and in particular at most 100 kHz.
  • the heating frequency unit is provided to provide a maximum electrical power of at least 1000 W, in particular at least 2000 W, advantageously at least 3000 W and preferably at least 3500 W, which is required by the heating element.
  • the heating frequency unit comprises in particular at least one inverter, which preferably has at least two, preferably series-connected, bidirectional unipolar switches, which are formed in particular by a transistor and a diode connected in parallel, and particularly advantageously at least one buffer capacity connected in parallel to the bidirectional unipolar switches, which is formed in particular by at least one capacitor.
  • a voltage tap of the heating frequency unit is arranged in particular at a common contact point between two bidirectional unipolar switches.
  • the heating frequency unit is provided to supply at least one heating element.
  • one of the heating frequency units is provided for supplying two heating elements arranged next to one another.
  • the phrase that a heating element is “assigned” to a heating frequency unit is to be understood in particular to mean that the heating element in each operating state in which the heating element is operated draws a heating energy necessary for operating the heating element from the heating frequency unit.
  • a “circuit arrangement” is to be understood in particular as a unit which is provided to establish and / or interrupt a connection between at least one of the heating frequency units and at least one of the heating elements.
  • the circuit arrangement is provided for connecting the further heating element to at least one first of the heating frequency units, at least in a first operating mode.
  • the circuit arrangement is provided for connecting the further heating element to at least a second one of the heating frequency units, which in particular is separate from the first of the heating frequency units, at least in a second operating mode.
  • the circuit arrangement is intended to at least one of the heating elements in "Connect" different operating modes to different heating frequency units, in particular it should be understood that the further heating element in the operating state in which the further heating element is operated and is connected to at least one of the heating frequency units, a heating energy necessary for the operation of the further heating element from the at least one Heating frequency unit refers.
  • the circuit arrangement comprises at least two, in particular at least three, advantageously at least four, particularly advantageously at least five, preferably a multiplicity of switching elements.
  • a “switching element” is to be understood in particular to mean an electrical and / or electronic and / or preferably electromechanical element which is intended to establish and / or separate an electrically conductive connection between two points, in particular contact points of the switching element.
  • the switching element preferably has at least one control contact via which the switching element can be switched.
  • the switching element is preferably provided to receive at least one control signal, in particular from at least one control unit, by means of the control contact and to change at least one switching state as a function of the control signal.
  • the switching element is designed as a mechanical and / or electromechanical switching element.
  • the switching element is preferably designed as an electromagnetic switching element, in particular as a relay.
  • Provided is to be understood in particular to be specially programmed, designed and / or equipped.
  • the fact that an object is provided for a specific function should in particular be understood to mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.
  • a high degree of flexibility and / or high heating efficiency can in particular be achieved by the configuration according to the invention.
  • an advantageous supply of the heating elements can be achieved.
  • an advantageous heat distribution and / or a rapid heating process can be achieved.
  • intermodulation noises and / or flickers can be avoided.
  • an overload of one of the heating frequency units can be avoided.
  • the heating frequency units to which the further heating element can be connected are assigned to one, in particular single, common phase. Taking the phrase that the heating frequency units are one "Assigned common phase" should be understood in particular to mean that the heating frequency units are connected to the same phase of a supply network in every operating state in which the heating frequency units are activated and are supplied with energy by the phase. As a result, a high level of comfort for an operator and / or high heating efficiency can be achieved. In particular, flicker and / or intermodulation hum can be avoided.
  • the heating frequency units to which the further heating element can be connected are assigned to different phases.
  • the circuit arrangement is intended to connect the further heating element to at least one first of the heating frequency units or to at least a second of the heating frequency units, at least in one operating state, the first and the second of the heating frequency units being assigned to different phases.
  • the phrase that the heating frequency units are “assigned to different phases” is to be understood in particular to mean that the heating frequency units in each operating state in which the heating frequency units are activated are connected to two separately configured phases of at least one supply network and are supplied with energy by the phases become. As a result, a high degree of flexibility and / or high heating efficiency can be achieved.
  • the circuit arrangement be provided to connect the further heating element to at least two of the heating frequency units at the same time in at least one operating mode, in particular as a function of all cooking utensils set up and / or as a function of at least one operating input by means of at least one operating unit.
  • a high heating power density and / or a fast heating process can thereby be achieved in particular.
  • a “resonance unit” is to be understood in particular as a unit which is formed by at least one resonance capacitance and which is preferably different from a buffer capacitance and / or a capacitance which is connected in parallel with a switching element.
  • the resonance unit is formed by a combination of series and parallel connections of several capacitors.
  • the resonance unit is part of an electrical resonant circuit, in particular one electrical series resonant circuit.
  • the resonance unit and the heating element which has the resonance unit preferably form an electrical resonant circuit, in particular an electrical series resonant circuit.
  • the resonance unit is preferably connected in series with at least one of the heating elements in at least one operating state, in particular via a switching element, and is particularly advantageously intended to be charged via the heating element by at least one of the heating frequency units, in particular if the one of the heating elements is due to the circuit arrangement is placed on a higher electrical potential.
  • the resonance unit is arranged on a side of the one of the heating elements facing away from the heating frequency unit in the direction of a line path.
  • one of the heating elements is arranged in the bridge branch together with a resonance unit, preferably connected in series with the one of the heating elements, between two voltage dividers formed by heating frequency units.
  • one of the heating elements is advantageously arranged in the bridge branch between a voltage divider formed by at least one of the heating frequency units and a voltage divider formed by two resonance capacitors.
  • at least some of the heating elements have a common resonance unit.
  • a high degree of flexibility and / or high heating efficiency can thereby be achieved.
  • a high heating power and / or heating power density can be achieved.
  • the heating elements form a variable cooking area.
  • at least two, in particular at least three, advantageously at least four of the heating elements form the variable cooking area.
  • the heating elements forming the variable cooking surface area are designed as elongated heating elements.
  • the heating elements forming the variable cooking surface area are arranged adjacent to one another with respect to at least one longitudinal axis of the heating elements of the variable cooking surface areas.
  • the further heating element is designed as an elongated heating element.
  • the further heating element has a longitudinal axis which is oriented at least substantially perpendicular to the longitudinal axes of the heating elements of the variable cooking surface area.
  • variable cooking surface area should in particular be understood to mean a cooking surface area which it is provided to form at least one cooking zone adapted to at least one set of cookware.
  • the variable cooking surface area differs from a cooking surface in which heating zones are fixed, in particular by markings on the cooking surface.
  • the variable cooking surface area is formed by at least two, in particular at least three, advantageously at least four heating elements.
  • the heating elements forming the variable cooking surface area are arranged in a single row.
  • a “row” is to be understood in particular as a row and / or a column and / or a stripe.
  • the heating elements are arranged along one another, in particular lined up, along a longitudinal direction connecting the heating elements, which is in particular formed as a straight line.
  • the longitudinal direction connects the focal points of the heating elements.
  • the heating elements it is also conceivable for the heating elements to be arranged offset, the focal points of the heating elements being at a distance which is less than 50% from a straight line which is aligned at least substantially parallel to the longitudinal direction of the row and which connects the heating elements to one another at least substantially in the center. , in particular less than 40%, advantageously less than 30% of an amount of at least one extension, in particular a longitudinal extension and / or a transverse extension, of at least one of the heating elements forming the row.
  • a "single" row of at least two heating elements is to be understood in particular to mean a row in which the heating elements are arranged adjacent, in particular precisely, to a longitudinal direction of the row, the control unit being provided for only at least one of the heating elements arranged adjacent to one another in the longitudinal direction to form at least one cooking zone adapted to the cookware.
  • at least one additional heating element which is formed separately from the heating elements forming the row and is part of an additional row formed separately from the row, is arranged spaced apart from each of the heating elements forming the row.
  • the additional heating element is at a distance from each of the heating elements forming the row with respect to a row transverse direction, which is oriented at least substantially perpendicular to the row longitudinal direction, which is greater than 15%, in particular greater than 30%, advantageously greater than 40%, preferably greater than 50%, particularly preferably greater than 75% of an amount of at least one extension, in particular a longitudinal extension and / or a transverse extension, of at least one of the heating elements forming the row.
  • a straight line and / or plane is “at least substantially perpendicular” to another straight line and / or plane formed separately from the one straight line and / or plane should be understood in particular to mean that the straight line and / or plane is aligned with the further straight line and / or plane in the case of a projection onto at least one projection plane, in which at least one of the straight lines and / or one of the planes is arranged, encloses an angle which is preferably less than 15 °, advantageously less than 10 ° and in particular deviates by less than 5 ° from an angle of 90 °.
  • at least some of the heating elements form a classic hob. It is also conceivable that part of a cooking surface is designed as a classic hob, part of at least one further heating element and another part of the cooking surface is designed as a variable cooking surface area. This enables a high degree of flexibility to be achieved.
  • the heating elements form a further variable cooking surface area, the further heating element being arranged at least essentially between the variable cooking surface areas.
  • at least two, in particular at least three, advantageously at least four of the heating elements form the further variable cooking surface area.
  • the variable cooking surface areas are assigned to different phases.
  • the variable cooking surface area is assigned to a first phase.
  • the further variable cooking surface area is assigned to a second phase, which differs in particular from the first phase.
  • the longitudinal axis of the further heating unit is at least substantially parallel to the longitudinal row direction in which the heating elements forming the variable cooking surface area are arranged and / or to a further longitudinal row direction in which the heating elements forming the further variable cooking area area are arranged are aligned.
  • the phrase that the further heating element is arranged “at least substantially” between the variable cooking surface areas is to be understood in particular to mean that when at least one projection of the further heating element and the variable cooking surface areas is viewed in at least one plane, a projection of the further heating element to a mass fraction and / or volume fraction of more than 70%, in particular more than 80%, advantageously more than 90% is arranged between projections of the variable cooking surface areas.
  • a flexible configuration and / or an advantageous heat distribution can be achieved.
  • a symmetrical configuration can advantageously be achieved.
  • Fig. 1 shows an inventive hob 46a, which is designed as an induction hob, with an inventive hob device 10a, which is designed as an induction hob device.
  • the hob device 10a has a base body 48a for setting up cooking utensils.
  • the base body 48a forms a cooking surface.
  • the cooktop device 10a comprises nine heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, 28a for heating up cooked dishes.
  • the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, 28a, which are designed as induction heating elements, are arranged below the base body 48.
  • the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, 28a are each provided for cooking utensils placed on the base body 48a above the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, 28a to heat.
  • the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, 28a are designed as elongated heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, 28a.
  • Each heating element 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, 28a has a longitudinal extent 50a which is greater than a transverse extent 52a of the heating element 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, 28a.
  • variable cooking surface area 42a Four of the heating elements 12a, 14a, 16a, 18a form a variable cooking surface area 42a.
  • the heating elements 12a, 14a, 16a, 18a forming the variable cooking surface area 42a are arranged adjacent to one another with respect to a longitudinal axis 60a of the heating elements 12a, 14a, 16a, 18a.
  • Four of the heating elements 20a, 22a, 24a, 26a form a further variable cooking surface area 44a.
  • the heating elements 20a, 22a, 24a, 26a forming the further variable cooking surface area 44a are arranged adjacent to one another with respect to a longitudinal axis 60a of the heating elements 20a, 22a, 24a, 26a.
  • the two variable cooking surface areas 42a, 44a are arranged side by side.
  • variable cooking surface areas 42a, 44a are arranged on one side of the base body 48a on two mutually opposite partial areas of the side.
  • the heating elements 12a, 14a, 16a, 18a forming the variable cooking surface area 42a are arranged in a single row.
  • the heating elements 20a, 22a, 24a, 26a which form the further variable cooking surface area 44a are arranged in a single row.
  • the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a forming the individual rows are arranged one behind the other in a row longitudinal direction 54a.
  • the row longitudinal direction 54a is oriented essentially perpendicular to the longitudinal extent 50a of the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a.
  • the row longitudinal direction 54a extends from an installed state an area of the base body 48a facing an operator in the direction of an area of the base body 48a facing away from an operator in the installed state.
  • the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a forming the individual rows are at a distance with respect to the row longitudinal direction 54a which is significantly smaller than the transverse extension 52a of the heating elements 12a, which is essentially parallel to the row longitudinal direction 54a, 14a, 16a, 18a, 20a, 22a, 24a, 26a.
  • the variable cooking surface area 42a is formed by a first heating element 12a, a second heating element 14a, a third heating element 16a and a fourth heating element 18a.
  • the first heating element 12a is arranged in the region of the base body 48a facing an operator in the installed state. Starting from the first heating element 12a, the second heating element 14a follows in the row longitudinal direction 54a, then the third heating element 16a and then the fourth heating element 18a.
  • the further variable cooking surface area 44a is formed by a fifth heating element 20a, a sixth heating element 22a, a seventh heating element 24a and an eighth heating element 26a.
  • the fifth heating element 20a is arranged in the region of the base body 48a facing an operator in the installed state. Starting from the fifth heating element 20a, the sixth heating element 22a follows in the row longitudinal direction 54a, then the seventh heating element 24a and then the eighth heating element 26a.
  • the further heating element 28a is essentially arranged between the variable cooking surface areas 42a, 44a.
  • the further heating element 28a is arranged in a region of the base body 48a facing away from an operator in the installed state.
  • the further heating element 28a has a longitudinal axis 86a, which is oriented essentially perpendicular to the longitudinal axes 60a of the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a of the variable cooking surface areas 42a, 44a.
  • the longitudinal axis 86a of the further heating element 28a is oriented substantially perpendicular to the longitudinal axes 60a of the heating elements 12a, 14a, 16a, 18a of the variable cooking surface area 42a.
  • the longitudinal axis 86a of the further heating element 28a is oriented substantially perpendicular to the longitudinal axes 60a of the heating elements 20a, 22a, 24a, 26a of the further variable cooking surface area 44a.
  • the cooktop device 10a comprises a control unit 56a for controlling and regulating the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, 28a.
  • the Hob device 10a has an operating unit 58a in the installed state for an operator to enter operating parameters.
  • the control unit is provided for selecting and / or changing a heating zone.
  • the control unit could be provided for setting a heating power and / or heating power density of a heating zone.
  • the control unit is designed to select and / or change a cooking time and / or a cooking program.
  • the operating unit is provided for changing an operating mode and / or operating state.
  • further configurations of the operating unit and / or the operating parameter that appear to be useful to a person skilled in the art are conceivable.
  • the control unit 56a carries out different actions depending on the operating parameters entered by means of the operating unit 58a.
  • the cooktop device 10a comprises four heating frequency units 32a, 34a, 36a, 38a for supplying the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, 28a (cf. Fig. 2 ).
  • the heating frequency units 32a, 34a, 36a, 38a are each provided to supply two heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, 28a arranged next to one another.
  • Each heating frequency unit 32a, 34a, 36a, 38a is assigned two of the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a.
  • Each heating frequency unit 32a, 34a, 36a, 38a comprises an inverter.
  • the heating elements 12a, 14a, 16a, 18a of the variable cooking surface area 42a are assigned to a first heating frequency unit 32a and a second heating frequency unit 34a.
  • the first heating element 12a and the second heating element 14a are assigned to the first heating frequency unit 32a.
  • the third heating element 16a and the fourth heating element 18a are assigned to the second heating frequency unit 34a.
  • the heating frequency units 32a, 34a, to which the heating elements 12a, 14a, 16a, 18a of the variable cooking surface area 42a are assigned, are assigned to a common phase 62a.
  • the heating elements 20a, 22a, 24a, 26a of the further variable cooking surface area 44a are assigned to a third heating frequency unit 36a and a fourth heating frequency unit 38a.
  • the fifth heating element 20a and the sixth heating element 22a are assigned to the third heating frequency unit 36a.
  • the fourth heating frequency unit 38a is assigned the seventh heating element 24a and the eighth heating element 26a.
  • the heating frequency units 36a, 38a, to which the heating elements 20a, 22a, 24a, 26a of the further variable cooking surface area 44a are assigned, are a common phase 64a assigned.
  • the heating elements 12a, 14a, 16a, 18a of the variable cooking surface area 42a are operated by a different phase 62a, 64a than the heating elements 20a, 22a, 24a, 26a of the further variable cooking surface area 44a.
  • the heating frequency units to which the heating elements of the variable cooking surface area are assigned are assigned to the same phase as the heating frequency units to which the heating elements of the further variable cooking surface area are assigned.
  • the cooktop device 10a comprises two rectifier units 66a, 68a, which are each connected to one of the phases 62a, 64a. Each rectifier unit 66a, 68a comprises two outputs 70a, 72a, 74a, 76a.
  • the cooktop device 10a comprises a circuit arrangement 40a which is provided to establish and / or to connect the heating frequency units 32a, 34a, 36a, 38a and the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, 28a interrupt.
  • the circuit arrangement 40a comprises five switching elements which are designed as changeover switches.
  • the circuit arrangement 40a comprises twelve switching elements which are designed as switch-on devices.
  • the circuit arrangement 40a comprises six switching elements which are designed as two-way switches. In this case, the circuit arrangement 40a comprises ten switching elements which are designed as on switches.
  • a first buffer capacitance 78a is connected to the outputs 70a, 72a of a first rectifier unit 66a.
  • the first heating frequency unit 32a is connected in parallel with the first buffer capacitance 78a.
  • the first heating element 12a, the second heating element 14a and the further heating element 28a are connected between two switching elements of the first heating frequency unit 32a via the circuit arrangement 40a.
  • the first heating element 12a, the second heating element 14a and the further heating element 28a can each be connected individually to the first heating frequency unit 32a via a switch of the circuit arrangement 40a.
  • the first heating element 12a, the second heating element 14a and the further heating element 28a each have their own resonance unit.
  • the resonance units of the first heating element 12a, the second heating element 14a and of the further heating element 28a are each connected to the outputs 70a, 72a of the first rectifier unit 66a.
  • a second buffer capacitance 80a is connected to the outputs 70a, 72a of the first rectifier unit 66a.
  • the second heating frequency unit 34a is connected in parallel with the second buffer capacitance 80a.
  • the third heating element 16a and the fourth heating element 18a are connected between two switching elements of the second heating frequency unit 34a via the circuit arrangement 40a.
  • the third heating element 16a and the fourth heating element 18a can each be connected individually to the second heating frequency unit 34a via a switch of the circuit arrangement 40a.
  • the third heating element 16a and the fourth heating element 18a each have their own resonance unit.
  • the resonance units of the third heating element 16a and the fourth heating element 18a are each connected to the outputs 70a, 72a of the first rectifier unit 66a.
  • a third buffer capacitance 82a is connected to the outputs 74a, 76a of a second rectifier unit 68a.
  • the third heating frequency unit 36a is connected in parallel with the third buffer capacitance 82a.
  • the fifth heating element 20a and the sixth heating element 22a are connected between two switching elements of the third heating frequency unit 36a via the circuit arrangement 40a.
  • the fifth heating element 20a and the sixth heating element 22a can each be connected individually to the third heating frequency unit 36a via a switch of the circuit arrangement 40a.
  • the fifth heating element 20a and the sixth heating element 22a each have their own resonance unit.
  • the resonance units of the fifth heating element 20a and the sixth heating element 22a are each connected to the outputs 74a, 76a of the second rectifier unit 68a.
  • a fourth buffer capacitance 84a is connected to the outputs 74a, 76a of the second rectifier unit 68a.
  • the fourth heating frequency unit 38a is connected in parallel with the fourth buffer capacitance 84a.
  • the seventh heating element 24a and the eighth heating element 26a are connected between two switching elements of the fourth heating frequency unit 38a via the circuit arrangement 40a.
  • the seventh heating element 24a and the eighth heating element 26a can each be connected individually to the fourth heating frequency unit 38a via a switch of the circuit arrangement 40a.
  • the seventh heating element 24a and the eighth heating element 26a each have their own Resonance unit.
  • the resonance units of the seventh heating element 24a and the eighth heating element 26a are each connected to the outputs 70a, 72a of the second rectifier unit 68a.
  • the circuit arrangement 40a connects the further heating element 28a to different heating frequency units 32a, 34a, 36a, 38a in different operating modes.
  • the circuit arrangement 40a automatically connects the further heating element 28a in different operating modes to different heating frequency units 32a, 34a, 36a, 38a.
  • the further heating element 28a can be connected to each of the heating frequency units 32a, 34a, 36a, 38a by means of the circuit arrangement 40a.
  • the heating frequency units 32a, 34a, 36a, 38a, to which the further heating element 28a can be connected, are assigned to different phases 62a, 64a.
  • the circuit arrangement 40a connects the further heating element 28a to one of the heating frequency units 32a, 34a, 36a, 38a, which are assigned to the same phase 62a, 64a as the heating frequency units 32a, 34a, 36a, 38a, to which the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a are assigned, with which the further heating element 28a forms a common heating zone.
  • the further heating element 28a and heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, with which the further heating element 28a forms a common heating zone, are operated by the same phase 62a, 64a.
  • the further heating element 28a and heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a, with which the further heating element 28a forms a common heating zone, are operated at essentially the same frequency.
  • the circuit arrangement 40a connects the further heating element 28a to one of the variable cooking surface areas 42a, 44a as a function of a parameter.
  • the circuit arrangement 40a connects the further heating element 28a to different heating frequency units 32a, 34a, 36a, 38a in different operating modes, depending on an occupancy of the cookware.
  • the control unit 56a uses the operating unit 58a to output to an operator to which of the variable cooking surface areas 42a, 44a the further heating element 28 is connected. Should an operator want to connect the further heating element 28a to another of the variable cooking surface areas 42a, 44a, the operator can by operating input by means of the operating unit Enter 58a to which of the variable cooking surface areas 42a, 44a the further heating element 28a is to be connected.
  • the circuit arrangement 40a connects the further heating element 28a to different heating frequency units 32a, 34a, 36a, 38a in different operating modes depending on an operating input by means of the operating unit 58a.
  • the circuit arrangement 40a connects the further heating element 28a to a plurality of heating frequency units 32a, 34a, 36a, 38a at the same time.
  • the circuit arrangement 40a connects the further heating element 28a in the operating mode to a plurality of heating frequency units 32a, 34a, 36a, 38a depending on an operating input by means of the operating unit 58a.
  • the circuit arrangement 40a connects the further heating element 28a to heating frequency units 32a, 34a, 36a, 38a, which are assigned to the same phase 62a, 64a as heating frequency units 32a, 34a, 36a, 38a, as a function of a cookware assignment , to which heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a are assigned, with which the further heating element 28a forms a common heating zone.
  • the circuit arrangement 40a connects the further heating element 28a to heating frequency units 32a, 34a, 36a, 38a, which are assigned to another phase 62a, 64a, such as heating frequency units 32a, 34a , 36a, 38a, to which heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a are assigned, with which the further heating element 28a forms a common heating zone.
  • FIG. 4 and 5 Another embodiment of the invention is shown. The following descriptions are essentially limited to the differences between the exemplary embodiments, with the components, features and functions remaining the same as in the description of the exemplary embodiment in FIG 1 to 3 can be referred.
  • the letter a is in the reference numerals of the exemplary embodiment in the 1 to 3 by the letter b in the reference numerals of the embodiment of the Fig. 4 and 5 replaced.
  • components with the same designation in particular with regard to components with the same reference symbols, it is also possible in principle to refer to the drawings and / or the description of the exemplary embodiment of the 1 to 3 to get expelled.
  • Fig. 4 shows an inventive hob 46b, which is designed as an induction hob, with an inventive hob device 10b, which is designed as an induction hob device.
  • the hob device 10b has a base body 48a for setting up cooking utensils.
  • the base body 48b forms a cooking surface.
  • the cooktop device 10b comprises ten heating elements 12b, 14b, 16b, 18b, 20b, 22b, 24b, 26b, 28b, 30b for heating cookware that has been set up.
  • the heating elements 12b, 14b, 16b, 18b, 20b, 22b, 24b, 26b, 28b, 30b are designed as elongated heating elements 12b, 14b, 16b, 18b, 20b, 22b, 24b, 26b, 28b, 30b.
  • Each heating element 12b, 14b, 16b, 18b, 20b, 22b, 24b, 26b, 28b, 30b has a longitudinal extent 50b which is greater than a transverse extent 52b of the heating element 12b, 14b, 16b, 18b, 20b, 22b, 24b, 26b, 28b, 30b.
  • heating elements 12b, 14b, 16b, 18b form a variable cooking surface area 42b.
  • the heating elements 12b 14b, 16b, 18b forming the variable cooking surface area 42b are arranged adjacent to one another with respect to a longitudinal axis 60b of the heating elements 12b 14b, 16b, 18b.
  • Four of the heating elements 20b, 22b, 24b, 26b form a further variable cooking surface area 44b.
  • the heating elements 20b, 22b, 24b, 26b which form the further variable cooking surface area 44b are arranged adjacent to one another with respect to a longitudinal axis 60b of the heating elements 20b, 22b, 24b, 26b.
  • the heating elements 12b, 14b, 16b, 18b forming the variable cooking surface area 42b are arranged in a single row.
  • the heating elements 20b, 22b, 24b, 26b which form the further variable cooking surface area 44b are arranged in a single row.
  • the heating elements 12b, 14b, 16b, 18b, 20b, 22b, 24b, 26b forming the individual row are arranged one behind the other in a row longitudinal direction 54b.
  • the further heating elements 28b, 30b are essentially arranged between the variable cooking surface areas 42b, 44b.
  • the further heating elements 28b, 30b are arranged in an area of the base body 48b facing away from an operator in the installed state.
  • the further heating elements 28b, 30b each have a longitudinal axis 86b, which is essentially perpendicular to the longitudinal axes 60b of the heating elements 12a, 14a, 16a, 18a, 20a, 22a, 24a, 26a of the variable cooking surface areas 42b, 44b is aligned.
  • Each of the further heating elements 28b, 30b is assigned to one of the variable cooking surface areas 42b, 44b.
  • the cooktop device has nine heating elements, four of the heating elements each forming a variable cooking surface area and exactly one further heating element being provided, which is essentially arranged between the variable cooking surface areas.
  • the additional heating element is assigned to one of the variable cooking surface areas.
  • the cooktop device 10b comprises a control unit 56a for controlling and regulating the heating elements 12b, 14b, 16b, 18b, 20b, 22b, 24b, 26b, 28b, 30b.
  • the hob device 10b has a control unit 58b in the installed state for an operator to enter operating parameters.
  • the control unit 56b carries out different actions depending on the operating parameters entered by means of the operating unit 58b.
  • the hob device 10b comprises four heating frequency units 32b, 34b, 36b, 38b for supplying the heating elements 12b, 14b, 16b, 18b, 20b, 22b, 24b, 26b, 28b, 30b (cf. Fig. 5 ).
  • the heating frequency units 32b, 34b, 36b, 38b are each provided to supply two heating elements 12b, 14b, 16b, 18b, 20b, 22b, 24b, 26b, 28b, 30b arranged next to one another.
  • Each heating frequency unit 32b, 34b, 36b, 38b is assigned two of the heating elements 12b, 14b, 16b, 16b, 18b, 20b, 22b, 24b, 26b.
  • Each heating frequency unit 32b, 34b, 36b, 38b comprises an inverter.
  • the heating elements 12b, 14b, 16b, 18b of the variable cooking surface area 42b are assigned to a first heating frequency unit 32b and a second heating frequency unit 34b.
  • the heating frequency units 32b, 34b, to which the heating elements 12b, 14b, 16b, 18b of the variable cooking surface area 42b are assigned, are assigned to a common phase 62b.
  • the heating elements 20b, 22b, 24b, 26b of the further variable cooking surface area 44b are assigned to a third heating frequency unit 36a and a fourth heating frequency unit 38b.
  • the heating frequency units 36b, 38b, to which the heating elements 20a, 22a, 24a, 26a of the further variable cooking surface area 44b are assigned, are assigned to a common phase 64b.
  • the phase 62b to which the first heating frequency unit 32b and the second heating frequency unit 34b are assigned differs from the phase 64b to which the third heating frequency unit 36a and the fourth heating frequency unit 38b are assigned.
  • the heating elements 12b, 14b, 16b, 18b of the variable cooking surface area 42b are operated by a different phase 62b, 64b than the heating elements 20b, 22b, 24b, 26b of the further variable cooking surface area 44b.
  • the cooktop device 10b comprises two rectifier units 66b, 68b, which are each connected to one of the phases 62b, 64b. Each rectifier unit 66b, 68b comprises two outputs 70b, 72b, 74b, 76b.
  • the cooktop device 10b comprises a circuit arrangement 40b which is provided to establish a connection between the heating frequency units 32b, 34b, 36b, 38b and the heating elements 12b, 14b, 16b, 18b, 20b, 22b, 24b, 26b, 28b, 30b and / or interrupt.
  • the circuit arrangement 40b comprises four switching elements which are designed as changeover switches.
  • the circuit arrangement 40b comprises twelve switching elements which are designed as switch-on devices.
  • the circuit arrangement 40b connects the further heating elements 28b, 30b in different operating modes to different heating frequency units 32b, 34b, 36b, 38b.
  • the circuit arrangement 40b automatically connects the further heating elements 28b, 30b in different operating modes to different heating frequency units 32b, 34b, 36b, 38b.
  • the first further heating element 28b can be connected by means of the circuit arrangement 40a to heating frequency units 32b, 34b which are assigned to a common phase 62b.
  • the second further heating element 30b can be connected by means of the circuit arrangement 40a to heating frequency units 36b, 38b which are assigned to a common phase 64b.
  • the circuit arrangement 40a connects each of the further heating elements 28b, 30b to one of the heating frequency units 32b, 34b, 36b, 38b, which are assigned to the same phase 62a, 64a as heating frequency units 32b, 34b, 36b, 38b, to the heating elements 12b, 14b, 16b , 18b, 20b, 22b, 24b, 26b with which the further heating element 28b, 30b forms a common heating zone.
  • Each further heating element 28b, 30b and heating elements 12b, 14b, 16b, 18b, 20b, 22b, 24b, 26b with which the further heating element 28b, 30b forms a common heating zone are operated by the same phase 62a, 64a.
  • Each further heating element 28b, 30b and heating elements 12b, 14b, 16b, 18b, 20b, 22b, 24b, 26b, with which the further Heating element 28b, 30b forms a common heating zone are operated essentially at the same frequency.

Landscapes

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

Claims (10)

  1. Dispositif de table de cuisson, notamment dispositif de table de cuisson à induction, comprenant au moins cinq éléments chauffants (12a - b, 14a - b, 16a - b, 18a - b, 20a - b, 22a - b, 24a - b, 26a - b, 28a - b, 30a - b) au moins pour un échauffement de récipients de cuisson posés, et comprenant au moins deux unités à fréquence de chauffage (32a - b, 34a - b, 36a - b, 38a - b) auxquelles au moins deux des éléments chauffants (12a - b, 14a - b, 16a - b, 18a - b, 20a - b, 22a - b, 24a - b, 26a - b) sont respectivement attribués et lesquelles génèrent respectivement un signal électrique oscillant avec une fréquence d'au moins 10 kHz pour au moins un élément chauffant (12a - b, 14a - b, 16a - b, 18a - b, 20a - b, 22a - b, 24a - b, 26a - b, 28a - b, 30a - b), et comprenant au moins un agencement de circuit (40a - b) qui est ménagé pour connecter au moins un élément chauffant supplémentaire des éléments chauffants (28a - b, 30a - b) à différentes unités à fréquence de chauffage (32a - b, 34a- b, 36a - b) dans différents modes de fonctionnement.
  2. Dispositif de table de cuisson selon la revendication 1, caractérisé en ce que les unités à fréquence de chauffage (32a - b, 34a- b, 36a - b, 38a - b) auxquelles l'élément chauffant supplémentaire (28a - b, 30a - b) peut être connecté, sont attribuées à une phase commune (62a - b, 64a - b).
  3. Dispositif de table de cuisson selon l'une quelconque des revendications précédentes, caractérisé en ce que les unités à fréquence de chauffage (32a, 34a, 36a, 38a) auxquelles l'élément chauffant supplémentaire (28a, 30a) peut être connecté, sont attribuées à différentes phases (62a - b, 64a - b).
  4. Dispositif de table de cuisson au moins selon la revendication 2, caractérisé en ce que l'agencement de circuit (40a - b) est ménagé, dans au moins un mode de fonctionnement, pour connecter l'élément chauffant supplémentaire (28a - b, 30a - b) simultanément à au moins deux des unités à fréquence de chauffage (32a - b, 34a- b, 36a - b, 38a - b).
  5. Dispositif de table de cuisson selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une partie des éléments chauffants (12a - b, 14a - b, 16a - b, 18a - b, 20a - b, 22a - b, 24a - b, 26a - b, 28a - b, 30a - b) présente une propre unité de résonance.
  6. Dispositif de table de cuisson selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une partie des éléments chauffants (12a - b, 14a - b, 16a - b, 18a - b) forme une zone de surface de cuisson variable (42a - b).
  7. Dispositif de table de cuisson selon la revendication 6, caractérisé en ce que les éléments chauffants (12a - b, 14a - b, 16a - b, 18a - b) formant la zone de surface de cuisson variable (42a - b) sont disposés en une seule rangée.
  8. Dispositif de table de cuisson au moins selon la revendication 6, caractérisé en ce qu'au moins une partie des éléments chauffants (20a - b, 22a - b, 24a - b, 26a - b) forme une zone supplémentaire de surface de cuisson variable (44a - b), l'élément chauffant supplémentaire (28a - b, 30a - b) étant disposé au moins essentiellement entre les zones de surface de cuisson variables (42a - b, 44a - b).
  9. Dispositif de table de cuisson selon la revendication 8, caractérisé en ce que l'agencement de circuit (40a - b) est ménagé pour connecter l'élément chauffant supplémentaire (28a - b, 30a - b) à l'une des zones de surface de cuisson variables (42a - b, 44a - b) en fonction d'au moins une grandeur caractéristique.
  10. Table de cuisson, notamment table de cuisson à induction, comprenant au moins un dispositif de table de cuisson (10a - b) selon l'une quelconque des revendications 1 à 9.
EP14786275.9A 2013-08-02 2014-07-24 Ensemble table de cuisson Active EP3028540B1 (fr)

Applications Claiming Priority (2)

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ES201331222 2013-08-02
PCT/IB2014/063377 WO2015015375A1 (fr) 2013-08-02 2014-07-24 Ensemble table de cuisson

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EP3028540A1 EP3028540A1 (fr) 2016-06-08
EP3028540B1 true EP3028540B1 (fr) 2020-03-11

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WO2022048839A1 (fr) * 2020-09-02 2022-03-10 BSH Hausgeräte GmbH Dispositif de table de cuisson et procédé de fonctionnement d'un dispositif de table de cuisson
WO2022048835A1 (fr) * 2020-09-02 2022-03-10 BSH Hausgeräte GmbH Dispositif de table de cuisson

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JP6528119B2 (ja) * 2015-04-15 2019-06-12 パナソニックＩｐマネジメント株式会社 加熱調理器
ES2673131B1 (es) * 2016-12-19 2019-03-28 Bsh Electrodomesticos Espana Sa Dispositivo de aparato domestico de coccion por induccion con una matriz de elementos de calentamiento
EP3595407A1 (fr) * 2018-07-09 2020-01-15 Electrolux Appliances Aktiebolag Appareil de cuisson

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US6528770B1 (en) * 1999-04-09 2003-03-04 Jaeger Regulation Induction cooking hob with induction heaters having power supplied by generators
ES2347403B1 (es) * 2008-12-19 2011-08-17 Bsh Electrodomesticos España, S.A. Campo de coccion por induccion y procedimiento para accionar un campode coccion por induccion.
KR101844405B1 (ko) * 2011-04-08 2018-04-03 삼성전자주식회사 유도가열조리기 및 그 제어방법
KR101970524B1 (ko) * 2012-03-21 2019-04-19 엘지전자 주식회사 유도 가열 조리 장치 및 이의 제어 방법

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WO2022048839A1 (fr) * 2020-09-02 2022-03-10 BSH Hausgeräte GmbH Dispositif de table de cuisson et procédé de fonctionnement d'un dispositif de table de cuisson
WO2022048835A1 (fr) * 2020-09-02 2022-03-10 BSH Hausgeräte GmbH Dispositif de table de cuisson

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ES2782899T3 (es) 2020-09-16
EP3028540A1 (fr) 2016-06-08
WO2015015375A1 (fr) 2015-02-05

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