EP2543231B1 - Plaque de cuisson comportant au moins une zone de cuisson, ainsi que procédé pour faire fonctionner une plaque de cuisson - Google Patents

Plaque de cuisson comportant au moins une zone de cuisson, ainsi que procédé pour faire fonctionner une plaque de cuisson Download PDF

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Publication number
EP2543231B1
EP2543231B1 EP11703658.2A EP11703658A EP2543231B1 EP 2543231 B1 EP2543231 B1 EP 2543231B1 EP 11703658 A EP11703658 A EP 11703658A EP 2543231 B1 EP2543231 B1 EP 2543231B1
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EP
European Patent Office
Prior art keywords
cooking
zone
zones
operating mode
sub
Prior art date
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EP11703658.2A
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German (de)
English (en)
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EP2543231A1 (fr
Inventor
David Casanova Lacueva
Fang DAI
Ignacio Garde Aranda
Carlos Vicente Mairal Serrano
Julio Rivera Peman
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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
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H05B6/065—Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/05—Heating plates with pan detection means

Definitions

  • the invention relates to a hob with at least one cooking zone and a device for detecting a preparation vessel on the cooking zone. Furthermore, the invention relates to a method for operating a hob.
  • Hobs are known from the prior art, which have several cooking zones. Each cooking zone considered by itself is heated by a radiator, which is located under a mounting plate of the hob, can be placed on the preparation vessels.
  • cooktops are known in which a cooking zone is heated by a plurality of heating units extending in each other, which are formed, for example, as circular heating coils or induction coils. As a result, the cooking zone can be heated over an individual area with heating elements formed in one another and with a different radius.
  • the detection of a pot occupancy is essential. As a result, it can be recognized at which position and with which surface size a preparation vessel is set up on the mounting plate.
  • the FR 2 863 039 A1 a method for heating a container, which is placed on a hob with inductors as heating means.
  • the known cooking zones of a hob are limited in terms of their size and beyond functionally limited in terms of the arrangement of the heating units and their individual operation.
  • a heating device for a Indutationsgarêt comprises a circuit arrangement with a plurality of inductors, which can be interconnected differently.
  • the heating device comprises at least a first oscillating circuit which comprises at least a first and a second inductor for the transmission of heating energy to a heating element and a first circuit for exciting the first resonant circuit and for supplying the heating energy to the inductors.
  • the heating device has a switching means by which the heating energy can optionally be supplied in parallel only to one of the inductors or simultaneously to both inductors.
  • the heating units are arranged side by side without overlapping, such that in a common operation of the partial cooking zones a contiguous heated surface is formed.
  • the partial cooking zones are operated in a first operating mode as a single cooking zone and in the first operating mode occupancy detection of a partial cooking zone is performed with at least one preparation vessel, wherein a occupancy detection phase is started user defined.
  • a first occupancy detection phase is started automatically and only the partial cooking zone on which a preparation vessel is detected is heated. This ensures a particularly energy-saving operation.
  • the execution of a subsequent further occupancy detection phase can only be started in a user-defined manner.
  • a user is usually focused on it and concentrated and possibly distracted so that he also hangs items such as a fork or other cutlery on the hob. If an automatic occupancy detection would then be carried out and such an occupancy would be detected, heating of this cutlery would be carried out, which of course is undesirable. This can be avoided by the above advantageous embodiment.
  • setting up a further preparation vessel on the cooking zone in the first operating mode is not recognized and the Operakochzone on which the further preparation vessel is placed, remains unheated.
  • the corresponding safety aspects can be done and an undesirable heating can be avoided.
  • energy is also saved here if the user is merely provided that he wants to place the preparation vessel only for parking on the hob, without heating it immediately.
  • the removal and installation of one or more preparation vessels on the partial cooking zones of the cooking zone is detected and the partial cooking zone, on which an occupancy is detected, are heated.
  • both preparation vessels can additionally be set up or removed, which are then also detected during the occupancy test.
  • an occupancy detection phase lasts less than 10 seconds and is more preferably about 5 seconds.
  • a very user-friendly approach is thereby created.
  • all partial cooking zones are checked for occupancy.
  • a movement of a preparation vessel detected during an occupancy detection phase on the cooking zone is recognized even after an occupancy detection phase and then the partial cooking zones are heated, to which the preparation vessel is displaced.
  • those partial cooking zones on which the preparation vessel previously stood, and which are now no longer occupied are automatically switched off.
  • a certain follow-up time can be defined, so that optionally on the now vacant space on one or more Part cooking zones on which the preparation vessel was previously and then no longer stands after moving, this Operakochzone is continued by setting up a further preparation vessel.
  • such a follow-up period may take a few seconds, in particular less than ten seconds, preferably about five seconds.
  • the first operating mode is started only user-defined. Therefore, the user must deliberately want this mode of operation and then activate it himself. This can be used to avoid unwanted operation settings and ensure energy-efficient operation.
  • the first operating mode is automatically started when switching on the hob.
  • a first partial cooking zone can be heated by at least two juxtaposed heating units and the two heating units can be supplied with electrical energy by a first driver circuit.
  • a second partial cooking zone is heated by at least one third heating unit arranged next to the two heating units of the first partial cooking zone, and at least the third heating unit is supplied with energy by a separate second driver circuit.
  • the second partial cooking zone preferably also has at least two heating units which can be supplied with energy by the second driver circuit. In such an embodiment, therefore, each partial cooking zone has at least two subzones, wherein a subzone can be heated by an associated heating unit.
  • the partial cooking zones are operated independently of each other as their own cooking zone.
  • the first partial cooking zone can be switched on and off independently of the second partial cooking zone.
  • the individual partial cooking zones can then also be fed with different outputs in this second operating mode. In this second operating mode, they can also be switched on and off independently by a user.
  • the invention relates to a hob, in particular an induction hob, with at least one cooking zone, which is constructed from at least two Operakochzonen, each Operakochzone is heated by at least one heating unit.
  • the heating units are arranged next to each other without overlapping such that, during a joint operation of the partial cooking zones, a coherent heatable surface is formed.
  • the hob has a control unit, by means of which the partial cooking zones in a first operating mode of the hob are operable as a single contiguous cooking zone.
  • the hob also includes a device for occupancy detection of the partial cooking zone with at least one preparation vessel. In the first operating mode, occupancy detection of a partial cooking zone can be carried out, wherein the hob has an input element with which an occupancy and detection phase can be activated in a user-defined manner.
  • the input element may be a rotary and / or push switch. However, the input element may also be a touch-sensitive control element on a touch panel.
  • a preferred induction hob comprises circuitry for operating a cooking zone of the induction hob.
  • the circuit arrangement comprises a parallel circuit in which two inductors are connected in parallel. In series with the parallel circuit, a current measuring element is connected.
  • the induction hob also includes a device for occupancy detection of at least a partial cooking zone of the entire cooking zone with a preparation vessel. This occupancy detection apparatus includes the current measuring element.
  • a heatability of a cooking zone with an inductor includes that by the electromagnetic interaction of a coil of the inductor with a suitable metallic material a preparation vessel, a corresponding heating of the preparation vessel is generated. Exactly this specific physical basis is understood in the context of the invention by the formulation of the heatability of a cooking zone or a surface thereof or a Operakochzone with an inductor also below.
  • the formulation of a side-by-side arrangement of the inductors means such a positioning, in which the inductors are positioned side by side to each other. It should therefore be understood an arrangement in which the surfaces formed by the inductors on the cooktop panel arranged above are arranged side by side and do not partially overlap or even a surface is completely absorbed by the other. This would be the case with inductors of different radius, which are arranged radially inside one another, which should not be included here.
  • Fig. 1 is shown in a schematic representation of a plan view of a hob 1, which has a mounting plate 2, which may be formed of glass or glass ceramic. On a top 3 of the mounting plate 2 preparation vessels, such as pans, pots or the like can be placed.
  • the hob 1 in the exemplary embodiment comprises three cooking zones 4, 5 and 6, which are different in terms of their surface dimensions and their surface shape.
  • the cooking zones 4 and 5 are circular and have different radii.
  • the maximum area size is indicated, which is thus recognizable to a user, where below the storage tray 2 in these positions for the cooking zones 4 and 5 is a radiator.
  • the hob 1 is formed in the embodiment as an induction hob, so that under the cooking zones 4 and 5 each have at least one inductor is formed.
  • each of these inductors has a single coil, which is wound in a corresponding circular, so that upon activation of the induction coil substantially the entire surface of the cooking zone 4, which is bounded by the contour 41, is heated, and in view of Cooking zone 5 which is limited by the contour 51, this is also heated by an induction coil.
  • the cooking zones 4 and 5 are arranged spaced from each other, wherein they are also spaced apart from the cooking zone 6 are arranged.
  • At least one of the cooking zones 4 and 5 comprise a plurality of induction coils, which are separately activatable and deactivatable and are formed as circles arranged inside each other, so that these independent induction coils have different radii.
  • a cooking zone 4 and 5 can also be heated in radially smaller and larger surface areas.
  • the cooking zone 6 is formed as a particularly large cooking zone area, which is also formed rectangular in terms of their shape beyond.
  • the cooking zone 6 comprises four under the mounting plate. 2 arranged inductors, each of which inductor having a single induction coil. With regard to the shape of these are arranged side by side and have an oval shape, as in Fig. 1 is shown.
  • the inductors adjoin one another in such a way that the heatable surface can be heated almost completely. Owing to the oval shape of the wound induction coils of the individual inductors 6a, 6b, 6c and 6d designed as heating units, particularly uniform surface heating is possible.
  • these inductors 6a to 6d with their induction coils are not arranged in cascade with one another, but next to each other and all have the same geometric dimensions.
  • the hob 1 comprises a device 16 for detecting a preparation vessel on the cooking zones 4, 5 and 6.
  • a device 16 for detecting a preparation vessel on the cooking zones 4, 5 and 6. this is to be seen with regard to the recognition of a preparation vessel on the cooking zone 6, which in terms of area very large and larger than the surfaces of the cooking zone 4 and 5 together.
  • the surface of the cooking zone 6 extends substantially over at least 80%, preferably at least 90% of the depth of the hob 1 and thus also the mounting plate 2, which means an extension in the y-direction.
  • the cooking zone 6 has a surface in the width (x-direction), which in the embodiment comprises at least 30%, preferably 40% of the total width extension of the mounting plate 2.
  • the device 16 preferably comprises a plurality of sensors, which are capacitive or inductive working, so that the occupancy can be reliably detected.
  • the hob 1 further comprises a circuit arrangement 7, which are designed to supply power to the individual heating units of the cooking zones 4 to 6, and the inductors 6a to 6d include.
  • the circuit arrangement comprises a first driver circuit 8 and a separate second driver circuit 9.
  • the first driver circuit 8 is designed to supply the two first heating units or inductors 6a and 6b.
  • the second drive circuit 9 for the power supply of the two further heating units or Inductors 6c and 6d formed.
  • the two driver circuits 8 and 9 are independently operable.
  • the hob 1 comprises a control unit, which is associated with the circuit arrangement 7 component-specific and functional.
  • the control unit By means of the control unit, the individual inductors 6a to 6d are individually controlled and activated and deactivated accordingly, and the signals of the device 16 can be correspondingly processed with this control unit.
  • the first driver circuit 8 comprises a first half-bridge circuit 10, which is connected in series with a parallel circuit 20.
  • the parallel circuit 20 comprises a first circuit branch in which a first relay 11 is connected in series with the induction coil of the inductor 6a and thus the first heating unit.
  • a relay 12 is also connected, which is connected in series with the induction coil of the second inductor 6b and the second heating unit.
  • the second driver circuit 9 is constructed analogously to the first driver circuit 8 and also comprises a half-bridge circuit 13 which is connected in series with a parallel circuit.
  • this parallel circuit comprises a first circuit branch in which a relay 14 is connected in series with an induction coil of the third inductor 6c or the third heating unit.
  • another relay 15 is connected in series with an induction coil of the fourth inductor 6d and the fourth heating unit, respectively.
  • These sub-zones 61a and 61b essentially represent in terms of area the size of the oval configurations of the induction coils arranged underneath, which are characterized by the corresponding contours on the upper side 3 of the mounting plate 2.
  • the second driver circuit 9 is constructed analogously to the first driver circuit 8 and also comprises a half-bridge circuit 13 which is connected in series with a parallel circuit 21.
  • This parallel circuit 21 also here comprises a first circuit branch in which a relay 14 in series with an induction coil of the third Inductor 6c and the third heating unit is connected.
  • another relay 15 is connected in series with an induction coil of the fourth inductor 6d and the fourth heating unit, respectively.
  • a current measuring element 22 is connected in series with the parallel circuit 20 in series with the parallel circuit 20, a current measuring element 22 is connected.
  • the current measuring element 22 is component-specific also associated with the device 16 for pot detection or occupancy detection of the cooking zone.
  • the second driver circuit 9 also has a current measuring element 23, which is connected in series with the parallel circuit 21.
  • the current measuring elements 22 and 23 of the separate driver circuits 8 and 9 are connected between the half-bridge circuits 10 and 13 and the parallel circuits 20 and 21, respectively.
  • the current measuring element 22 could be connected in series with the parallel circuit 20 even after the parallel circuit 20, as the dashed box symbolizes.
  • the interconnection of the current measuring element 23 could be provided after the parallel circuit 21 and in series.
  • the induction hob 1 also includes an operating device 24, which is formed on the hob plate or mounting plate 2.
  • This operating device 24 may be formed at least partially touch-sensitive. It can have a plurality of operating elements and, moreover, also comprise a display unit.
  • the operating device 24 has an operating element 25, which may also be formed touch-sensitive. With this operating element 25, a user-defined activation of an occupancy recognition test of the entire cooking zone 6 can be performed.
  • the large-area cooking zone 6 is formed from several partial cooking zones.
  • two partial cooking zones 61 and 62 are provided, whose corresponding zone areas are identified. These are contiguous and immediately adjacent to each other.
  • Each of these partial cooking zones 61 and 62 has two sub-zones 61a and 61b as well as 62a and 62b in the exemplary embodiment.
  • the areas of the subzones are defined in terms of size by the coils of the inductors 6a to 6d, which are wound in an oval fashion, or their size.
  • the induction hob 1 is designed so that at least the cooking zone 6 can be operated in two different operating modes.
  • a first operating mode that the two partial cooking zones 61 and 62, which form the entire cooking zone 6, are operated together and thus form the entire cooking surface of the cooking zone 6.
  • this first operating mode provision is made in particular for all partial cooking zones 61 and 62 and in particular also the subzones 61 a, 61 b, 62 a and 62 b to be supplied with the same electrical power.
  • this relates to the partial cooking zones 61 and 62 occupied by a preparation vessel 17 or 18 and the subzones 61 a, 61 b, 62 a and 62 b formed.
  • the sub-zones 61, 61 b, 62 a and 62 b respectively locally and functionally associated inductors 6 a to 6 b can be fed only with the same power when this first mode of operation is activated.
  • those inductors 6a to 6d, their associated sub-zones 61a, 61b, 62a and 62b or the corresponding Operakochzonen 61 and 62 on the mounting plate 2, which are covered with a preparation vessel 17 or 18, only with the same electrical Power can be fed.
  • an occupancy recognition test is performed by means of the device 16, as will be explained later.
  • a first occupancy detection test is performed automatically. If a preparation vessel 17 or 18 is then detected at specific locations, the inductors 6a to 6d which are correspondingly occupied via the subzones 61a, 61b, 62a and 62b are activated. If a further occupancy check is subsequently required or is to be carried out, this can only be started user-defined. For this purpose, the user must press the control element 25. An automatic second occupancy detection test and thus starting a second occupancy detection phase automatically is therefore not possible.
  • the cooking zone 6 is also operable in its second mode of operation by allowing the partial cooking zones 61 and 62 to be independently switched on and off. In this second operating mode, the partial cooking zones 61 and 62 can also be operated independently of one another with different powers. In this second operating mode quasi an entire cooking zone 6 does not exist and the partial cooking zones 61 and 62 are to be seen as separate autonomous cooking zones analogous to the other cooking zones 4 and 5.
  • a multi-stage search method is performed with regard to the occupancy detection process-specific. For this purpose, it is checked in a first step, if ever a preparation vessel is arranged on the entire cooking zone 6, which is searched in this first search step only superordinate and not local specific for an occupancy.
  • the partial cooking zones 61 and 62 with their zone areas shown accordingly are preferably formed with regard to the number and their size depending on the number of driver circuits 8 and 9.
  • the first partial cooking zone 61 is thus formed such that it represents approximately half of the entire cooking zone surface of the cooking zone 6 and in particular includes the surfaces of the regions of the cooking zone 6, which can be heated with the two first inductors 6a and 6b.
  • the second partial cooking zone 62 is formed such that it comprises the surface of the cooking zone 6, through which the further inductors 6c and 6d can be heated.
  • a general occupancy of the cooking zone 6 is thus first checked in a general and higher-order search strategy.
  • low-voltage measuring signals are generated by the device 16, which generate an oscillation in one of the series resonant circuits formed by the inductors 6a to 6d and the indicated capacitors.
  • all switching elements in the form of relays 11 to 15 are closed.
  • the current measuring elements 22 and 23 then correspondingly occurring current values are detected, it being possible to detect, depending on the current values, whether at least one preparation vessel is located on the cooking zone 6.
  • the relays 11 and 14 are then opened and the relays 12 and 15 are closed.
  • the relays 11 and 14 are then opened and the relays 12 and 15 are closed.
  • inductor 6a to 6b is then supplied with electrical energy by closing the series-connected relays 11 to 15, whose associated sub-zone 61a, 61b, 62a and 62b is also explicitly occupied with a preparation vessel.
  • the remaining inductors, whose associated sub-zone is not occupied, are or will remain deactivated.
  • Such occupancy detection phase takes in the embodiment about 5 seconds. During this period, preparation vessels 17 and 18 can be removed or placed, and this is then also recognized. If an occupancy recognition phase has expired and ended accordingly, an additional installation of a preparation vessel on the cooking zone 6 will not be detected in the further course, and this further preparation vessel will then not be heated either. Only when the user actively activates the control element 25, a further occupancy detection test is started and then detected the additionally prepared after the first occupancy detection phase preparation vessel.
  • a cooking vessel detected during an occupancy detection phase can be displaced (but not removed) on the cooking zone 6 in this first operating mode after expiration of the occupancy detection phase on the cooking zone 6, and this displacement is detected. Then, those inductors 6a to 6d are activated which are required for heating the preparation vessel at the new location, whereby those inducers 6a to 6d, which are now not occupied compared to the original position of the preparation vessel before the displacement, are deactivated.
  • the sub-zones 61 a, 61 b, 62 a and 62 b shown by way of example are the same in terms of surface area in terms of area and also the same in terms of their shape. It can also be provided that at least one sub-zone is larger and / or formed with a different shape. This also depends in particular on the design and size of the inductor 6a to 6d arranged underneath and associated therewith.
  • the relay 13 is opened because no preparation vessel is placed on the sub-zone 62a.
  • the further sub-zones 61 a, 61 b and 62 b are covered with the preparation vessels 17 and 18, so that the associated underneath and thus below the cooktop plate or mounting plate 2 arranged inductors 6 a, 6 b and 6 d must be supplied with energy, including the relay 11 , 12 and 15 are closed.

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

Claims (15)

  1. Procédé pour faire fonctionner une zone de cuisson (6) d'une plaque de cuisson (1), dans lequel la zone de cuisson (6) est formée par au moins deux zones de cuisson partielles (61, 62), chaque zone de cuisson partielle (61, 62) pouvant être chauffée par au moins une unité de chauffage (6a à 6d), lesdites unités de chauffage (6a à 6d) étant juxtaposées sans recouvrement, de telle sorte que lorsque les zones de cuisson partielles (61, 62) fonctionnent ensemble, il se forme une surface chauffante continue, les zones de cuisson partielles (61, 62) fonctionnant dans un premier mode de fonctionnement comme zone de cuisson unique (6) et dans le premier mode de fonctionnement, une reconnaissance d'occupation d'une zone de cuisson partielle (61, 62) par au moins un récipient de préparation (17, 18) pouvant être effectuée, le lancement d'une phase de reconnaissance d'occupation étant défini par l'utilisateur, caractérisé en ce que dans le premier mode de fonctionnement, toutes les zones de cuisson partielles (61, 62) activées peuvent être alimentées uniquement avec la même puissance électrique.
  2. Procédé selon la revendication 1, caractérisé en ce qu'avec le choix du premier mode de fonctionnement une première phase de reconnaissance d'occupation est lancée automatiquement et seule la zone de cuisson partielle (61, 62) sur laquelle un récipient de préparation (17, 18) est détecté, est chauffée.
  3. Procédé selon la revendication 2, caractérisé en ce qu'après la première phase de reconnaissance d'occupation, le lancement de la mise en oeuvre d'une autre phase de reconnaissance d'occupation suivante ne peut être défini que par l'utilisateur.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'à la fin d'une phase de reconnaissance d'occupation, la pose d'un autre récipient de préparation (17, 18) sur la zone de cuisson (6) dans le premier mode de fonctionnement reste non détectée et la zone de cuisson partielle (61, 62) sur laquelle l'autre récipient de préparation (17, 18) est posé, reste non chauffée.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que durant une phase de reconnaissance d'occupation, la pose et le retrait d'un ou plusieurs récipients de préparation (17, 18) sur les zones de cuisson partielles (61, 62) de la zone de cuisson (6) sont détectés et la zone de cuisson partielle (61, 62) sur laquelle une occupation est détectée, est chauffée.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'une phase de reconnaissance d'occupation dure moins de 10 secondes, notamment 5 secondes.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'au moins dans la première phase de reconnaissance d'occupation, en particulier dans toutes les phases de reconnaissance d'occupation, toutes les zones de cuisson partielles (61, 62) sont vérifiées quant à leur occupation.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que dans le premier mode de fonctionnement, un déplacement d'un récipient de préparation (17, 18) détecté sur la zone de cuisson durant une phase de reconnaissance d'occupation est reconnu aussi après une phase de reconnaissance d'occupation et les zones de cuisson partielles (61, 62) sur lesquelles le récipient de préparation (17, 18) est déplacé, sont alors chauffées.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que le lancement du premier mode de fonctionnement ne peut être défini que par l'utilisateur.
  10. Procédé selon l'une des revendications 1 à 8, caractérisé en ce que le premier mode de fonctionnement est lancé automatiquement à la mise en marche de la plaque de cuisson (1).
  11. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'une première zone de cuisson partielle (61, 62) peut être chauffée par au moins deux unités de chauffage (6a à 6d) juxtaposées, lesdites deux unités de chauffage (6a à 6d) pouvant être alimentées en énergie électrique par un premier circuit excitateur (8, 9), et une deuxième zone de cuisson partielle (61, 62) peut être chauffée par au moins une troisième unité de chauffage (6a à 6d) placée à côté desdites deux unités de chauffage (6a à 6d) de la première zone de cuisson partielle (61, 62), ladite au moins troisième unité de chauffage (6a à 6d) pouvant être alimentée en énergie par un deuxième circuit excitateur (8, 9) séparé.
  12. Procédé selon l'une des revendications précédentes, caractérisé en ce que la plaque de cuisson est conçue comme plaque de cuisson à induction (1) et une unité de chauffage est conçue avec un inducteur (6a à 6d).
  13. Procédé selon l'une des revendications précédentes, caractérisé en ce que dans un deuxième mode de fonctionnement de la plaque de cuisson (1), les zones de cuisson partielles (61, 62) fonctionnent indépendamment l'une de l'autre, chacune comme zone de cuisson autonome.
  14. Plaque de cuisson comportant au moins une zone de cuisson (6) composée d'au moins deux zones de cuisson partielles (61, 62), chaque zone de cuisson partielle (61, 62) pouvant être chauffée par au moins une unité de chauffage (6a à 6d), lesdites unités de chauffage (6a à 6d) étant juxtaposées sans recouvrement, de telle sorte que lorsque les zones de cuisson partielles (61, 62) fonctionnent ensemble, une surface chauffante continue est formée, la plaque de cuisson (1) comportant une unité de commande (7) permettant de faire fonctionner les zones de cuisson partielles (61, 62), dans un premier mode de fonctionnement de la plaque de cuisson (1), comme zone de cuisson unique, et la plaque de cuisson (1) comportant un dispositif (16) de reconnaissance d'occupation des zones de cuisson partielles (61, 62) par au moins un récipient de préparation (17, 18) et une reconnaissance d'occupation d'une zone partielle (61, 62) pouvant être effectuée dans le premier mode de fonctionnement, la plaque de cuisson (1) comportant un élément d'entrée (25) au moyen duquel l'activation d'une phase de reconnaissance d'occupation peut être définie par l'utilisateur, caractérisée en ce que l'unité de commande (7) est conçue pour alimenter dans le premier mode de fonctionnement toutes les zones de cuisson partielles (61, 62) activées avec la même puissance électrique.
  15. Plaque de cuisson selon la revendication 14, caractérisée en ce que l'unité de commande (7) et le dispositif de reconnaissance d'occupation (16) sont conçus pour qu'à la fin d'une phase de reconnaissance d'occupation, la pose d'un autre récipient de préparation (17, 18) sur la zone de cuisson (6) reste non détectée dans le premier mode de fonctionnement et la zone de cuisson partielle (61, 62) sur laquelle l'autre récipient de préparation (17, 18) est posé, reste non chauffée.
EP11703658.2A 2010-03-03 2011-02-08 Plaque de cuisson comportant au moins une zone de cuisson, ainsi que procédé pour faire fonctionner une plaque de cuisson Active EP2543231B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201030316A ES2388303B1 (es) 2010-03-03 2010-03-03 Encimera de cocción con al menos una zona de cocción, y procedimiento para accionar una encimera de cocción.
PCT/EP2011/051795 WO2011107324A1 (fr) 2010-03-03 2011-02-08 Plaque de cuisson comportant au moins une zone de cuisson, ainsi que procédé pour faire fonctionner une plaque de cuisson

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EP2543231A1 EP2543231A1 (fr) 2013-01-09
EP2543231B1 true EP2543231B1 (fr) 2016-07-27

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US (1) US10321520B2 (fr)
EP (1) EP2543231B1 (fr)
ES (2) ES2388303B1 (fr)
WO (1) WO2011107324A1 (fr)

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ES2439417B1 (es) 2012-07-20 2015-03-12 Bsh Electrodomesticos Espana Dispositivo de campo de cocción
EP2741572B1 (fr) * 2012-12-04 2019-09-04 BSH Hausgeräte GmbH Dispositif de plaque de cuisson
TWI495399B (zh) * 2013-03-08 2015-08-01 Delta Electronics Inc 可增加加熱範圍之電磁感應加熱裝置
ES2634872T3 (es) 2013-07-31 2017-09-29 BSH Hausgeräte GmbH Dispositivo de encimera de cocción
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
ES2535245B1 (es) * 2013-11-05 2016-02-16 Bsh Electrodomésticos España, S.A. Dispositivo de campo de cocción por inducción
ES2538605B1 (es) * 2013-12-20 2016-04-15 Bsh Electrodomésticos España, S.A. Dispositivo de campo de cocción
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EP2543231A1 (fr) 2013-01-09
WO2011107324A1 (fr) 2011-09-09
US10321520B2 (en) 2019-06-11
ES2388303B1 (es) 2013-08-23
US20120318786A1 (en) 2012-12-20
ES2388303A1 (es) 2012-10-11
ES2586665T3 (es) 2016-10-18

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