EP2007174B1 - Commutation de dispositif de cuisson et dispositif de chauffage d'un objet - Google Patents

Commutation de dispositif de cuisson et dispositif de chauffage d'un objet Download PDF

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Publication number
EP2007174B1
EP2007174B1 EP08104455.4A EP08104455A EP2007174B1 EP 2007174 B1 EP2007174 B1 EP 2007174B1 EP 08104455 A EP08104455 A EP 08104455A EP 2007174 B1 EP2007174 B1 EP 2007174B1
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EP
European Patent Office
Prior art keywords
heating
subgroup
heating units
units
signal processing
Prior art date
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EP08104455.4A
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German (de)
English (en)
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EP2007174A1 (fr
EP2007174B2 (fr
Inventor
Ignacio Garde Aranda
Pablo Jesus Hernandez Blasco
Daniel Palacios Tomas
Sergio Llorente Gil
Fernando Monterde Aznar
Jesus Acero Acero
Luis Angel Barragan Perez
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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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
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/03—Heating plates made out of a matrix of heating elements that can define heating areas adapted to cookware randomly placed on the heating plate

Definitions

  • the invention relates to a cooking apparatus circuit according to the preamble of claim 1 and to a method for heating an object according to the preamble of claim 10.
  • a cooking apparatus comprising a cooking plate for laying a preparation utensil and a set of induction coils forming a contiguous cooking area of the cooking plate.
  • the cooking device is intended to heat the cooking utensil in an arbitrarily selected by an operator position in the cooking area.
  • the cooking device has a control unit which forms a cooking zone of the cooking plate adapted to the position of the preparation utensil selected by the operator by forming a group of induction coils.
  • a heating power of induction coils is generated by switching operations of inverters.
  • the inverters are supplied with an electrical signal, which is obtained from a mains power supply signal and has a shape suitable for the switching operations.
  • the electrical signal for supplying the inverters is a current signal rectified from the mains power supply.
  • the object of the invention is in particular to provide a circuit and a method for a generic device with improved properties in terms of a cost-optimized cooking operation.
  • the invention is based on a cooking device circuit with a group of heating units, a control unit, which is intended to form a matched to a selection position of a cookware heating group of heating units, and a A signal processing device provided for processing a signal into a form adapted for a heating unit power operation.
  • the signal processing device has a first signal processing unit for supplying a first subset of heating units and at least one second signal processing unit for supplying a second subset of heating units.
  • a first signal processing unit for supplying a first subset of heating units
  • at least one second signal processing unit for supplying a second subset of heating units.
  • the signal to be processed corresponds in particular to a signal related to a mains power supply.
  • a branch power supply connection point is followed by a branch point, in which at least two line units are branched off for connection to a respective signal processing unit.
  • the signal processing units may be partially formed integrally with each other. However, it is advantageous if the signal processing units are formed separately from each other.
  • the first and second subgroups co-operate to form the entire group of heating units.
  • heating unit is to be understood as meaning, in particular, a unit which is provided for the purpose of transmitting a heat energy to the preparation tableware.
  • the heating unit has at least one heating means, e.g. is designed as an inductive heating means or as a radiation body.
  • the heating unit may comprise a single heating means or it may comprise a plurality of heating means.
  • heating unit power operation is to be understood in particular as an operation of a heating unit in which a heating power is transmitted to the preparation harness by the heating unit.
  • the heating unit is expediently supplied with electrical power by a power unit.
  • the power unit preferably has an inverter with switching means, such as transistors, which provides by means of switching operations of the switching means in a known manner a heating power for the heating means.
  • switching means such as transistors
  • This signal generated by a signal processing unit advantageously serves as an input signal for a power unit.
  • the signal processing unit is expediently connected between a connection point for connection to a mains power supply and a power unit.
  • a signal adapted to a heating unit power operation corresponds to a rectified and / or filtered signal available for connection by a power unit.
  • the signal processing units each have at least one rectifier and / or a filter unit which is provided for rectifying or filtering a signal related to the mains power supply.
  • a “selection position” is to be understood, in particular, as a position of the preparation utensil that can be arbitrarily selected by an operator within a continuous cooking area for heating a preparation utensil.
  • This cooking area is advantageously determined by the group of heating units.
  • a "cooking area for heating a cooking utensil” is to be understood in this context, in particular a range of cooking appliance, which is suitable for a cooking operation of the cooking utensil.
  • the cooking area preferably corresponds to a portion of a cooking plate of the cooking device covering the group of heating units in the vertical upward direction.
  • the cooking area contiguous a substantial part, in particular more than 50%, advantageously more than 75% and preferably more as 90% of the entire surface of the cooking plate, which is suitable for a cooking operation, whereby a particularly high flexibility in the choice of a cooking position of the preparation tableware can be achieved.
  • the group of heating units to reach a large cooking area preferably has at least 10, advantageously at least 20 heating units.
  • the control unit is provided in particular for a selection position of the preparation harness in the cooking area to form the heating group of heating units for heating the preparation dishes.
  • a position of the cooking utensil "in the cooking area” is to be understood in particular to mean a position of the cooking utensil relative to the cooking area in which the cooking utensil floor is arranged completely in the cooking area.
  • the group of heating units is designed in a matrix arrangement.
  • a "die arrangement” is to be understood in particular an arrangement in which the heating units are designed in a plurality of parallel aligned rows, and in particular wherein the distance between two directly adjacent heating units in a row over the row is constant.
  • a "series" of heating units is to be understood in particular as an arrangement of at least three heating units arranged along a straight line.
  • a "row” may, in particular, be understood to mean a row of dies or a die gap.
  • the dimension of the heating units is expediently chosen such that a standard tableware, such as e.g. a cookware with a diameter of at least 8 cm, heating units covered by at least two parallel rows.
  • the first signal processing unit be used to process a signal having a first current phase and the second signal processing unit to process a signal having a second current phase different from the first current phase, whereby a particularly effective power supply can be achieved , If, in a selection position of the preparation harness, the corresponding heating group is composed of heating units of the first and second subgroups, particularly high power values can be achieved.
  • the first subgroup and the second subgroup associated with the first and second signal processing units may overlap.
  • heating units can be supplied by the first and / or the second signal processing unit.
  • the subgroups may be identical.
  • it is advantageous if the first subgroup and the second subgroup are at least largely in particular, completely different from each other, whereby a structurally simple design can be achieved with a low cabling.
  • the first subgroup and the second subgroup are "at least largely" different from each other when, in particular, the proportion of the heating units associated with the two subgroups is less than 50%, advantageously less than 25%, and preferably less than 10% of the total number of heater units of the cooker circuit represents.
  • the first subgroup and the second subgroup form an intertwined arrangement of heating units.
  • an "intertwined arrangement” is to be understood as meaning, in particular, an arrangement of heating units which is designed in such a way that, in any selection position of the preparation tableware, the preparation table bottom covers heating units of the first and second subgroups.
  • a heating group is formed by the control unit at each selection position, which is composed of heating units of the first and the second subgroup. In this way, a particularly advantageous distribution of a power supply to the signal processing units can be achieved for any optional position of the preparation harness.
  • this die arrangement will correspond to an intertwined arrangement if in at least one row of the die arrangement, i. in a matrix row or a Matrizenpalte, in particular a maximum of five, advantageously a maximum of three heating units of the same subgroup are arranged one behind the other.
  • the group of heating units has at least one row in which at least one heating unit of the first subgroup is arranged between heating units of the second subgroup.
  • the heating unit of the first subgroup is disposed between a heating unit of the second subgroup arranged in front of it and a heating unit of the second subgroup arranged in the row direction, the heating units of the second subgroup being a direct neighbor of the second subgroup Heating unit of the first subgroup may be different.
  • the group of heating units have at least one row in which the heating units are assigned alternately to the first and the second subgroup, whereby a particularly advantageous distribution of a load to be supplied to the subgroups can be achieved.
  • the heating units of the series are "alternately” assigned to the first and the second subgroup, if in the row for a predominant number of pairs of directly adjacent heating units, in particular for all pairs of directly adjacent heating units, the pairs each consist of heating units of different subgroups.
  • alternating can be understood in particular "successively”.
  • a "predominant number” of pairs is to be understood in particular as meaning at least half, preferably at least three quarters, of the total number of imageable pairs.
  • the group of heating units is designed in a die arrangement having at least a region in which a heating unit of the first subgroup is directly adjacent in the row and column direction of heating units of the second subgroup, whereby a largely even distribution of a load on the groups can be achieved.
  • the heating units in the row and column directions are assigned alternately to the first and the second subgroup in the matrix arrangement.
  • Serve the signal processing units for processing signals of different current phases can be achieved with such an arrangement, a particularly high heating power of a heating group formed.
  • the power consumption in the power supply of a heating group can be doubled compared to a single-phase system, advantageously with unchanged requirements for processing electronics for processing a mains current signal.
  • a power consumption of 16 A can be increased to 32 A in the power supply of a heating group. This is particularly advantageous in a power boost mode (or boost mode) in a cooking operation.
  • the invention is further based on a method for heating a cooking utensil arranged in a selection position on a hotplate by means of a set of heating units in which a heating group of heating units is adapted to the selected position is formed and a heating of the preparation harness is operated by means of the heating group.
  • a proportion of heating units obtains a heating power from a first current phase and at least a second portion of heating units relates a heating power from a second current phase.
  • FIG. 1 shows a trained as an induction cooktop cooking device 10.
  • the cooking device 10 has a mounting frame 12 for attachment to a countertop, a cooking plate 14 for placing cookware and a control panel 16 for starting, stopping and setting a heating operation.
  • Two cooking utensils 18, 20 designed as a pot are arranged on the cooking plate 14, of which in each case a preparation dish bottom is represented schematically by a continuous circular line.
  • the arrangement of the radiator 24, which are shown schematically in the figure by a dashed rectangle, is designed as a matrix arrangement. This radiator 24 different columns and different rows are covered by the preparation dishes 18.
  • a group of 48 heating units 22, each with a radiator 24 is shown by way of example. Further embodiments of the cooking device 10 with other numbers of heating units 22 are possible.
  • a heating signal H designed as a magnetic alternating field is generated by the corresponding heating element 24 (see FIG. 2 ), which has a heating frequency, which is for example 25 kHz.
  • the heating signal H induces electrical currents in the metallic bottom of the preparation harnesses 18, 20. These electrical currents heat up due to ohmic losses in the preparation dishes 18, 20 food.
  • a radiator 24 in operation of the corresponding heating unit 22 is supplied to generate the heating signal H with an alternating electrical current, which oscillates with the heating frequency.
  • power units 26 designed as inverters are provided, which are provided for supplying the heating units 22 with electrical power. These power units 26 are in FIG. 2 shown.
  • the cooking apparatus 10 is provided for heating the cooking utensils 18, 20 by means of a group operation of the heating units 22.
  • the heating units 22 are each provided with a sensor means, not shown, detected by means of which can be whether the corresponding radiator 24 is covered by one of the preparation harnesses 18, 20 at least partially.
  • Heating groups of heating units 22 are formed by means of a grouping process which is not described in more detail, and each of these is assigned to one of the preparation utensils 18, 20. If an operator starts a cooking operation of the cooking apparatus 10 by means of the control panel 16, this cooking operation is carried out by means of the heating units 22 of both heating groups, while the further heating units 22 belonging to none of the heating groups formed remain undriven.
  • corresponding heating groups of heating units 22 are adapted or newly formed on the basis of the new arrangement of cooking utensils to be heated relative to the radiators 24.
  • FIG. 2 shows a cooking device circuit 28 of the cooking device 10. It can be seen the group of heating units 22.
  • the heating units 22 each have a heating element 24 designed as an induction coil. For the sake of clarity, only eight heating units 22 have been shown in the figure. On the arrangement of further heating units 22 and power units 26 have the power lines shown in dashed lines.
  • a heating unit 22 is assigned a different power unit 26 in each case.
  • the power unit 26 is designed as an inverter and has switching means not shown in detail, which are provided for generating an alternating current with the heating frequency.
  • a power unit 26 preferably comprises at least one pair of switching means formed as semiconductor devices. Regardless of the topology of the power unit 26, the switching means of the power units 26 are indicated schematically by means of a transistor symbol. In this example, the switching means are formed as an IGBT (Insulated Gate Bipolar Transistor or Insulated Gate Bipolar Transistor).
  • IGBT Insulated Gate Bipolar Transistor or Insulated Gate Bipolar Transistor
  • switching means such as MOSFET (Metal Oxide Semiconductor Field Effect Transistor or metal-oxide-semiconductor field effect transistor), or other switching means that appear appropriate to those skilled in the art are conceivable.
  • the inverters may be constructed with different topologies, such as a pair of switching means in a half-bridge topology or with two pairs of switching means arranged in a full-bridge topology.
  • the power units 26 at least partially are integrally formed with each other.
  • a power unit 26 is provided for supplying power to two or more heating units 22.
  • the cooking device circuit 28 is further provided with a control unit 30.
  • the control unit 30 may comprise a microprocessor or it may be designed as a microprocessor. This is connected to the various power units 26.
  • the control unit 30 is particularly designed to be dependent on the in FIG. 1 shown election positions of the cooking utensils 18, 20 on the hotplate 14 to form the heating groups and to control a heating process with the heating groups.
  • the cooking device circuit 28 has a signal processing device 32, which serves to convert a signal drawn from a mains power supply 34 into a signal adapted for operation of the power units 26.
  • the signal processing device 32 is designed to rectify a signal related to the mains power supply.
  • the DC voltage V is e.g. 220 V or 230 V.
  • the signal processing device 32 has two signal processing units 36.1, 36.2, each having a rectifier.
  • the group of heating units 22 is divided into two subgroups, wherein a first subgroup of the signal processing unit 36.1 and a second subgroup of the signal processing unit 36.2 are assigned.
  • heating units 22 of the first subgroup are electrically connected to the first signal processing unit 36.1
  • heating units 22 of the second subgroup are electrically connected to the second signal processing unit 36.2.
  • the first signal processing unit 36.1 generates a first signal 38.1, which has a rectified voltage V and is provided on a first DC busbar 40.1 for connection by power units 26.
  • This signal 38.1 can be obtained from power units 26 which serve to supply power to heating units 22 of the first subgroup.
  • the signal 38.1 of the voltage V is fed to the corresponding power unit 26 via lines branched off from the DC bus 40.1.
  • the second signal processing unit 36.2 generates a second signal 38.2, which likewise has a rectified voltage V and is provided on a second DC bus 40.2 for connection by power units 26.
  • This signal 38.2 can be obtained from power units 26 which serve to supply power to heating units 22 of the second subgroup.
  • the signal 38.2 of the voltage V is fed to the corresponding power unit 26 via lines branched off from the DC bus 40.2.
  • the signal processing device 32 is connected to the mains power supply 34, which serves to supply a three-phase current.
  • the signal processing units 36.1, 36.2 are connected to different phase lines of the mains power supply 34.
  • the first signal processing unit 36.1 is electrically connected to a first line L2 and a neutral conductor N of the mains power supply 34, whereby a first signal 42.1, which has a first phase, is obtained from the signal processing unit 36.1.
  • the second signal processing unit 36.2 is electrically connected to a second line L1 and the neutral conductor N, whereby a second signal 42.2 having a second phase different from the first phase is obtained from the signal processing unit 36.2.
  • the signals 42.1, 42.2 are converted by means of the signal processing unit 36.1 or 36.2 into the signal 38.1 or 38.2 of the DC voltage V.
  • the signal processing units 36.1, 36.2 are provided for supplying the subgroups each with a different current phase.
  • the signal processing units 36 are connected in parallel with respect to the mains power supply 34.
  • the power units 26 are each connected in series with each one of the signal processing units 36 and parallel to each other.
  • the signal processing units 36.1, 36.2 can each be provided with a further signal processing means, such as a filter unit.
  • the cooking device circuit 28 may be connected to a commercial power supply formed as a single-phase AC power supply. In this case, the signals 42.1, 42.2 have an identical current phase.
  • FIGS. 3 to 6 Different spatial distributions of the heating units 22 of the first and the second subgroup are based on the FIGS. 3 to 6 described. They each show the arrangement of the heating units 22 and the contour of the preparation dishes floors (see also FIG. 1 ).
  • the heating units 22 of the first subgroup, ie the heating units 22 assigned to the first signal processing unit 36.1 are shown by a solid line, while the heating units 22 of the second subgroup, ie the heating units 22 assigned to the second signal processing unit 36.2, are designated by a dashed line.
  • the arrangement of the heating units 22 corresponds to a matrix arrangement.
  • This arrangement has four rows of dies, referred to as rows 44a-44d. These are aligned in a row direction 45, which in the configuration shown corresponds to the horizontal direction.
  • the heating units 22 are thus arranged along a straight, horizontal line and two directly adjacent heating units 22 are spaced apart by a distance S which is constant over the row 44.
  • the arrangement has twelve die gaps, which are designated as rows 46a to 46l. These are aligned in a column direction 47, which in the configuration shown is perpendicular to the first row direction 45, that corresponds to the vertical direction.
  • the heating units 22 are thus arranged along a straight, vertical line and two directly adjacent heating units 22 are spaced apart by a distance T which is constant over the row 46.
  • Alternative die arrangements are conceivable in which the row direction 45 and the column direction 47 are not perpendicular to each other, e.g. in a honeycomb arrangement.
  • the group of heating units 22 is distributed in two subgroups which are overlap-free.
  • all the heating units 22 of the first subgroup are assigned exclusively to the first signal processing unit 36.1
  • all the heating units 22 of the second subgroup are assigned exclusively to the second signal processing unit 36.2.
  • a fraction of the heating units 22 or all heating units 22 are two signal processing units 36.1, 36.2 are assigned.
  • the signal processing units 36.1, 36.2 optionally supply heating units 22 of the first subgroup and / or the second subgroup.
  • FIG. 3 shows a first distribution variant in which a left half of the matrix assembly of heating units 22 of the first subgroup is composed, while a right half of the matrix assembly of heating units 22 of the second subgroup is composed.
  • the terms “up”, “down”, “horizontal”, “vertical”, “left” and “right” refer to the view of an end user of the cooking apparatus 10 viewing the hotplate 14 under normal operating conditions. Here, the "lower” edge of the cooking plate 14 and the lower row 44d facing the user.
  • the die assembly is divided into a first block of heating units 22 of the first subgroup and a second block of heating units 22 of the second subgroup. In this case, a block extends over the entire arrangement in a first die direction, in particular the column direction 47, and the blocks are arranged in the second die direction, in particular the row direction 45, side by side.
  • FIGS. 4 . 5 and 6 each show an example of an intertwined arrangement.
  • heating units 22 of the first and second sub-groups are covered by the preparation table bottom at any optional position of a preparation table on the cooking plate 14.
  • the cookware heating units 22 which receive a heating power from a first power phase
  • heating units 22, which receive a heating power from a second current phase are in the FIGS. 4 to 6 denoted by dashed reference numerals.
  • FIGS. 4 and 5 each represent an arrangement that corresponds to a crossed arrangement of heating units 22.
  • each pair of directly adjacent rows 46 ' consists of a row 46' assigned to the first subgroup and one of the second subgroup associated row 46 '.
  • the heating units 22 in each row 44 ' are assigned alternately to the first and second subgroups.
  • FIG. 5 shows another example of a crossed arrangement in which the rows 44 "a to 44" d are alternately assigned to the first subgroup and the second subgroup.
  • each pair of directly adjacent horizontal rows 44 "consists of a row 44" associated with the first subgroup and a row 44 "associated with the second subset.
  • the heating units 22 in each row 46 are alternately associated with the first and second subgroups.
  • FIG. 6 Another example of an intertwined arrangement is in FIG. 6 shown.
  • the heating units 22 are alternately assigned to the first and second subgroups.
  • each heating unit 22 is a subgroup in the row direction 45 and in the column direction 47 of a heating unit 22 of the other subgroup directly adjacent.
  • die diagonals of the same orientation are alternately assigned to the first and second subgroups. It can be advantageously achieved in this configuration that in any optional position of a cooking utensil on the cooking plate 14, a corresponding heating group is largely evenly distributed to the first and the second subgroup.
  • a further embodiment of an intertwined arrangement may consist in that the matrix arrangement is composed of sub-matrices or blocks, which are assigned alternately to the first and the second subgroup in the row direction 45 and in the column direction 47.

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

Claims (10)

  1. Circuit de dispositif de cuisson comprenant un groupe d'unités de chauffage (22), une unité de commande (30) qui est ménagée pour former un groupe de chauffage d'unités de chauffage (22), adapté à une position de sélection d'une batterie de cuisine (18, 20), et comprenant un dispositif de traitement de signal (32) qui est ménagé pour le traitement d'un signal (42.1, 42.2) dans une forme adaptée pour un fonctionnement de puissance d'unités de chauffage, caractérisé en ce que le dispositif de traitement de signal (32) présente une première unité de traitement de signal (36.1) destinée à alimenter un premier sous-groupe d'unités de chauffage (22) et au moins une deuxième unité de traitement de signal (36.2) destinée à alimenter un deuxième sous-groupe d'unités de chauffage (22).
  2. Circuit de dispositif de cuisson selon la revendication 1, caractérisé en ce que la première unité de traitement de signal (36.1) sert au traitement d'un signal (42.1) au moyen d'une première phase de courant et en ce que la deuxième unité de traitement de signal (36.2) sert au traitement d'un signal (42.2) au moyen d'une deuxième phase de courant différente de la première phase de courant.
  3. Circuit de dispositif de cuisson selon la revendication 1 ou 2, caractérisé en ce que le premier sous-groupe et le deuxième sous-groupe sont réalisés au moins largement de manière différente l'un de l'autre.
  4. Circuit de dispositif de cuisson selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier sous-groupe et le deuxième sous-groupe forment un dispositif entrelacé d'unités de chauffage (22).
  5. Circuit de dispositif de cuisson selon l'une quelconque des revendications précédentes, caractérisé en ce que le groupe d'unités de chauffage (22) présente au moins une rangée (44' ; 46", 44"' ; 46"') dans laquelle au moins une unité de chauffage (22) du premier sous-groupe est disposée entre des unités de chauffage (22) du deuxième sous-groupe.
  6. Circuit de dispositif de cuisson selon la revendication 5, caractérisé en ce que le groupe d'unités de chauffage (22) présente au moins une rangée (44' ; 46", 44"' ; 46"') dans laquelle les unités de chauffage (22) sont attribuées en alternance au premier et au deuxième sous-groupe.
  7. Circuit de dispositif de cuisson selon la revendication 5 ou 6, caractérisé en ce que le groupe d'unités de chauffage (22) est configuré dans une disposition en matrice qui présente au moins une zone dans laquelle une unité de chauffage (22) du premier sous-groupe, dans le sens des rangées (45) et dans le sens des colonnes (47), est directement avoisinante à des unités de chauffage (22) du deuxième sous-groupe.
  8. Circuit de dispositif de cuisson selon la revendication 7, caractérisé en ce que dans la disposition en matrice, les unités de chauffage (22), dans le sens des rangées (45) et dans le sens des colonnes (47), sont attribuées en alternance au premier et au deuxième sous-groupe.
  9. Dispositif de cuisson, notamment dispositif de cuisson à induction, comprenant un circuit de dispositif de cuisson selon l'une quelconque des revendications précédentes.
  10. Procédé de chauffage d'une batterie de cuisine (18, 20), disposée sur une plaque de cuisson (14) dans une position de sélection, au moyen d'un jeu d'unités de chauffage (22), dans lequel procédé un groupe de chauffage d'unités de chauffage (22) est formé en étant adapté à la position de sélection et dans lequel un échauffement de la batterie de cuisine (18, 20) est réalisé au moyen du groupe de chauffage, caractérisé en ce que dans le groupe de chauffage, une partie des unités de chauffage (22) obtient une puissance de chauffage à partir d'une première phase de courant et au moins une deuxième partie des unités de chauffage (22) obtient une puissance de chauffage à partir d'une deuxième phase de courant.
EP08104455.4A 2007-06-21 2008-06-18 Commutation de dispositif de cuisson et dispositif de chauffage d'un objet Active EP2007174B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200701894A ES2323837B1 (es) 2007-06-21 2007-06-21 Circuito de dispositivo de coccion y procedimeinto para el calentamiento de un objeto.

Publications (3)

Publication Number Publication Date
EP2007174A1 EP2007174A1 (fr) 2008-12-24
EP2007174B1 true EP2007174B1 (fr) 2015-05-27
EP2007174B2 EP2007174B2 (fr) 2018-08-22

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EP08104455.4A Active EP2007174B2 (fr) 2007-06-21 2008-06-18 Commutation de dispositif de cuisson et dispositif de chauffage d'un objet

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EP (1) EP2007174B2 (fr)
ES (2) ES2323837B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4013190B1 (fr) * 2020-12-14 2023-10-25 Electrolux Appliances Aktiebolag Dispositif de circuit pour un dispositif de cuisson, en particulier une plaque de cuisson, en particulier une plaque de cuisson par induction et dispositif de cuisson, en particulier une plaque de cuisson, en particulier une plaque de cuisson par induction

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2328384B1 (fr) * 2009-11-27 2017-03-15 Electrolux Home Products Corporation N.V. Plaque de cuisson à induction et procédé de contrôle de plaque de cuisson à induction
FR2954661A1 (fr) * 2009-12-23 2011-06-24 Jaeger Inducteurs sur phases equilibrees
EP2506669B2 (fr) 2011-03-29 2023-10-11 BSH Hausgeräte GmbH Dispositif de commutation
CN103891400B (zh) * 2011-11-04 2016-03-30 Bsh家用电器有限公司 感应加热装置
EP2846607B1 (fr) 2013-09-05 2016-05-18 Electrolux Appliances Aktiebolag Table de cuisson par induction comprenant une zone de cuisson avec trois ou plusieurs bobines d'induction et procédé permettant de commander une zone de cuisson
EP3706509A1 (fr) * 2019-03-04 2020-09-09 Electrolux Appliances Aktiebolag Circuit d'alimentation électrique pour un dispositif de cuisson et dispositif de cuisson

Citations (9)

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Publication number Priority date Publication date Assignee Title
US3953711A (en) 1973-11-06 1976-04-27 E.G.O. Elektro-Geraete Blanc Und Fischer Cooking units
EP0380030A1 (fr) 1989-01-23 1990-08-01 Nikko Corporation Ltd. Appareil de chauffage par induction électro-magnétique à basse fréquence
US6498325B1 (en) 1999-04-09 2002-12-24 Jaeger Regulation Modular induction heated cooking hob having reduced radiation and a method of making the same
EP1439739A1 (fr) 2003-01-20 2004-07-21 Whirlpool Corporation Plaque de cuisson électrique et sa méthode de détermination de l'emplacement sur lequel se trouvent les ustensiles de cuissons
FR2863039A1 (fr) 2003-11-27 2005-06-03 Brandt Ind Procede de chauffage d'un recipient pose sur une table de cuisson a moyens de chauffage associe a des inducteurs
EP0971562B1 (fr) 1997-01-24 2006-11-22 Brandt Industries Foyer de cuisson par induction multi-usages
EP1206164B1 (fr) 2000-11-08 2007-01-03 Whirlpool Corporation Dispositif de détermination de l'emplacement d'ustensiles de cuisine sur une plaque de cuisson comprenant une répartition discrète d'éléments chauffants
WO2007074233A2 (fr) 2005-12-27 2007-07-05 Brandt Industries Foyer de cuisson par induction de taille variable
WO2008058614A1 (fr) 2006-11-15 2008-05-22 E.G.O. Elektro-Gerätebau GmbH Zone de cuisson à induction, table de cuisson à induction et procédé d'excitation

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Publication number Priority date Publication date Assignee Title
FR2608348B1 (fr) * 1986-12-10 1993-11-12 Electricite De France Appareil electrique de cuisson par induction a emission d'harmoniques reduite
CA2008232C (fr) * 1989-01-23 1994-07-19 Atsushi Iguchi Appareil de chauffage a induction, electromagnetique, a basse frequence
DE9413820U1 (de) * 1994-08-26 1995-12-21 AEG Hausgeräte GmbH, 90429 Nürnberg Induktionskochplatte
EP1404154B1 (fr) * 2002-09-26 2006-09-13 MTECH Holding AB Dispositif de chauffage magnétique

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953711A (en) 1973-11-06 1976-04-27 E.G.O. Elektro-Geraete Blanc Und Fischer Cooking units
EP0380030A1 (fr) 1989-01-23 1990-08-01 Nikko Corporation Ltd. Appareil de chauffage par induction électro-magnétique à basse fréquence
EP0971562B1 (fr) 1997-01-24 2006-11-22 Brandt Industries Foyer de cuisson par induction multi-usages
US6498325B1 (en) 1999-04-09 2002-12-24 Jaeger Regulation Modular induction heated cooking hob having reduced radiation and a method of making the same
EP1206164B1 (fr) 2000-11-08 2007-01-03 Whirlpool Corporation Dispositif de détermination de l'emplacement d'ustensiles de cuisine sur une plaque de cuisson comprenant une répartition discrète d'éléments chauffants
EP1439739A1 (fr) 2003-01-20 2004-07-21 Whirlpool Corporation Plaque de cuisson électrique et sa méthode de détermination de l'emplacement sur lequel se trouvent les ustensiles de cuissons
FR2863039A1 (fr) 2003-11-27 2005-06-03 Brandt Ind Procede de chauffage d'un recipient pose sur une table de cuisson a moyens de chauffage associe a des inducteurs
WO2007074233A2 (fr) 2005-12-27 2007-07-05 Brandt Industries Foyer de cuisson par induction de taille variable
WO2008058614A1 (fr) 2006-11-15 2008-05-22 E.G.O. Elektro-Gerätebau GmbH Zone de cuisson à induction, table de cuisson à induction et procédé d'excitation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4013190B1 (fr) * 2020-12-14 2023-10-25 Electrolux Appliances Aktiebolag Dispositif de circuit pour un dispositif de cuisson, en particulier une plaque de cuisson, en particulier une plaque de cuisson par induction et dispositif de cuisson, en particulier une plaque de cuisson, en particulier une plaque de cuisson par induction

Also Published As

Publication number Publication date
EP2007174A1 (fr) 2008-12-24
EP2007174B2 (fr) 2018-08-22
ES2323837A1 (es) 2009-07-24
ES2539131T5 (es) 2018-10-10
ES2323837B1 (es) 2010-05-25
ES2539131T3 (es) 2015-06-26

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