EP2460388B1 - Table de cuisson avec au moins deux zones de cuisson - Google Patents

Table de cuisson avec au moins deux zones de cuisson Download PDF

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Publication number
EP2460388B1
EP2460388B1 EP10730177.2A EP10730177A EP2460388B1 EP 2460388 B1 EP2460388 B1 EP 2460388B1 EP 10730177 A EP10730177 A EP 10730177A EP 2460388 B1 EP2460388 B1 EP 2460388B1
Authority
EP
European Patent Office
Prior art keywords
heating zones
heating
cookware
hotplate
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10730177.2A
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German (de)
English (en)
Other versions
EP2460388A1 (fr
Inventor
Carlos Bernal Ruiz
Ignacio Garde Aranda
Pilar MOLINA GAUDÓ
Fernando Monterde Aznar
Maria Elena Moya Albertin
Ramon Peinado Adiego
Diego Puyal Puente
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42797486&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2460388(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to EP19158851.6A priority Critical patent/EP3518618B1/fr
Publication of EP2460388A1 publication Critical patent/EP2460388A1/fr
Application granted granted Critical
Publication of EP2460388B1 publication Critical patent/EP2460388B1/fr
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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/05—Heating plates with pan detection means

Definitions

  • the invention is based on a hob with a cover plate and at least two heating zones according to the preamble of claim 1.
  • From the DE 102 07 183 B4 is an induction hob with four heating zones is known in which to dispense with a marking of the heating zone.
  • sensor and control means not described in further detail are provided.
  • the DE 102 07 183 B4 further teaches to make the induction coils so that the entire surface of the hob is filled as possible, so that inactive areas of the hob are avoided if possible.
  • a device for determining the location of cooking appliances on a cooktop which has a multiplicity of heating elements which are distributed in a matrix-like manner beneath a heat / heat-resistant surface on which the cooking appliance can be randomly placed.
  • Each heating element can also function as a magnetic field transmitter.
  • the device comprises loops which are arranged essentially around parts / sections of the matrix of heating elements and act as magnetic field receivers.
  • the loops each have conductors disposed between each pair of adjacent heater-column or heater-row rows. Connection means are provided to connect each loop to a detection circuit.
  • the German patent application DE 102 07 183 A1 discloses a hob with a plate for receiving cookware, under which a plurality of separately operable heating surfaces are arranged, which emit energy only in those areas over which is cookware.
  • the separately operable heating surfaces extend depending on their geometry substantially over the entire usable plate area.
  • On the plate there are no positional marks for the placement of the cooking utensils on cooking zones or position markings, which characterize cooking zones by optically separating plate sections, each of which has a separately operable heating surface.
  • the invention is particularly based on a hob device, in particular for a hob with a cover plate comprising at least two heating zones, with a cookware sensor unit.
  • a "cover plate” is to be understood in particular an element of the hob, which carries a cookware element in particular directly during a cooking process.
  • the cover plate is at least partially disposed in a cooking process between a heating element and the cookware element.
  • a “heating zone” is to be understood in particular a region of the cover plate, which is intended to conduct energy from the heating element to the cookware element.
  • the heating zones advantageously each have at least one predetermined outer edge, which corresponds at least substantially to the outer edge of a heating element arranged below the cover plate.
  • This outer edge separates the active areas of the hob from the inactive areas of the hob and defines the interior of the heating zones from the outside of the heating zones.
  • the invention relates to hobs with a classic bowl mirror with two, four or six heating zones.
  • Each heating zone may comprise heating elements arranged concentrically or to expand the heating zone to the roasting or bridge roasting heating zone, so that the size of the heating zone depends on the size and / or shape of the cooking utensil element can take two or three values.
  • the heating zone may also comprise a plurality of predetermined edges. The edges of freely definable heating zones of a matrix hob should not be considered as "predetermined" edges in this context.
  • a "cookware sensor unit” is to be understood in particular as meaning a unit which is intended to determine at least one parameter with information about the cookware element.
  • the cookware sensor unit comprises at least one cookware sensor.
  • the cookware sensor unit per heating zone on a cookware sensor.
  • the cookware sensor unit could have at least one further cookware sensor outside the heating zones.
  • the cookware sensor unit is at least partially formed in one piece with a control and / or regulating unit of the heating zones.
  • the cookware sensor unit has at least one bridging detection unit, which is provided to detect at least one bridging of the at least two heating zones by means of at least one cookware element.
  • a "bridging detection unit” should in particular be understood to mean a unit which comprises at least one evaluation unit and / or a special sensor for detecting the bridging.
  • the bridging detection unit is formed at least partially in one piece with the control and / or regulating unit of the two heating zones.
  • a "bridging” is to be understood as meaning a material connection of the two heating zones by means of the cooking utensil element.
  • provided is intended to be understood in particular specially programmed, designed and / or equipped.
  • the lock-up detection unit is provided to detect a crosstalk of an energy from one of the heating zones to another of the heating zones, whereby a bridge can be detected in a structurally particularly simple manner.
  • a "crosstalk of an energy” should in particular be understood to mean a transport of energy through a cookware element.
  • the energy is preferably in the form of heat energy, electrical energy, magnetic energy and / or other energy that appears appropriate to the person skilled in the art.
  • the cookware sensor is at least partially disposed within at least one of the two heating zones. Particularly advantageous is the same cookware sensor for detecting a set up on one of the heating zone cooking utensil provided.
  • Each heating zone preferably has a cookware sensor associated with the heating zone, which is arranged in particular within the heating zone.
  • the bridging detection unit has at least one cookware sensor which is provided to detect a cookware element in an inactive region of the cover plate between the two heating zones, whereby a particularly simple detection is possible.
  • An "inactive region of the cover plate” should be understood in particular to mean a region which is arranged outside a heating zone.
  • the control and / or regulating unit is designed to be arranged in the simultaneous response of the two within the two heating zones Cookware sensors and the at least one arranged between the two heating zones further cookware sensor to operate the two heating zones in a coordinated manner.
  • the cookware sensor be spaced at least 3 or 5 cm from the edges of the heating zones.
  • the further cookware sensor is elongate and is arranged transversely to a connecting line of the two centers of the two heating zones in the inactive region of the cover plate outside the two heating zones.
  • the invention can be used in particular in induction hobs with a conventional well mirror, for example in hobs with exactly four heating zones, each of which can be heated by an inductor.
  • the cooktop has a cooktop device with a cookware sensor unit 28.
  • the cookware sensor unit 28 has cookware sensors 20 a to 20 d and a cookware sensor unit 28.
  • the cookware sensors 20a to 20d are arranged in the center of the heating zones 10a to 10d or the heating elements 12a to 12d, which preferably comprise induction coils, but can also operate capacitively or optically in alternative embodiments of the invention.
  • the cookware sensors 20a to 20d provide a characteristic with information about a cookware element 18a, 18c, 18d placed on the respective heating zone 10a to 10d.
  • the cookware sensor unit 28 has a bridging detection unit 30 with signal coupling means and an evaluation unit 32.
  • Fig. 2 shows the two heating zones 10a, 10b of the hob Fig. 1 in a detailed view.
  • the bridging detection unit 30 comprises two further cookware sensors 22a, 22b.
  • the other cookware sensors 22a, 22b are outside the edges 14a, 14b below the cover plate 16 formed of glass or glass ceramic arranged in an inactive area of the hob.
  • the further cookware sensors 22a, 22b have a distance of about 3 to 5 cm from the edges 14a, 14b of the heating zones 10a, 10b, so that they do not respond even if a round cookware element with a diameter corresponding to the diameter of the respective heating zone 10a , 10b exceeds by less than 5 cm, is placed centrally on the relevant heating zone 10a, 10b.
  • the distances of the other cookware sensors 22a, 22b to the edges 14a, 14b of the two heating zones are the same. If the diameter of the two heating zones 10a, 10b is also the same, the distance to the centers of the two heating zones 10a, 10b is the same.
  • the further cookware sensors 22a, 22b are thus provided to detect a cookware element 18a in an inactive region of the cover plate 16 between the two heating zones 10a-10d.
  • Fig. 3 shows the in Fig. 2 shown section of the hob in a configuration with two cookware elements 18c, 18d, the diameter of which does not exceed the diameter of the respective heating zone 10a, 10b or only slightly and which are placed centrally on the heating zone 10a, 10b.
  • the two other cookware sensors 22a, 22b are therefore not covered by the bottom of the cookware elements 18c, 18d so that they do not respond.
  • the cookware sensors 20a, 20b arranged in the center of the heating zones 10a, 10b are completely covered by the bottom of the respective cooking utensil element 18c, 18d, so that these cookware sensors 20a, 20b respond.
  • the Fig. 3 shows the in Fig. 2 shown section of the hob in a configuration with two cookware elements 18c, 18d, the diameter of which does not exceed the diameter of the respective heating zone 10a, 10b or only slightly and which are placed centrally on the heating zone 10a, 10b.
  • the two other cookware sensors 22a, 22b are
  • the control and / or regulating unit 26 operates the two heating zones 10a, 10b in a coordinated manner, in particular with the same heating frequency and / or the same surface heating power.
  • the heating power for heating the cookware element 18a may be selected by the user through a single input with a single control element.
  • the heating zones 10a, 10b are combined in this sense to a common, large heating zone.
  • the control and / or regulating unit 26 can visualize the assignment of the operating element to the combined heating zone, for example via a display.
  • FIG. 5 shows two heating zones 10a, 10b of a hob with an arranged between the heating zones 10a, 10b elongated sensor 22c according to another embodiment of the invention.
  • the sensor 22c replaces the two other cookware sensors 22a, 22b from the Figures 2-4 , reference numeral 10a heating zone 18c Cookware element 10b heating zone 18d Cookware element 10c heating zone 20a Cookware Sensor 10d heating zone 20b Cookware Sensor 12a heating element 20c Cookware Sensor 12b heating element 20d Cookware Sensor 12c heating element 22a Cookware Sensor 12d heating element 22b Cookware Sensor 14a edge 22c Cookware Sensor 14b edge 24 connecting line 14c edge 26 Control and / or control unit 14d edge 28 Cookware sensor unit 16 cover 30 Bridging detection unit 18a Cookware element 18b Cookware element 32 evaluation

Claims (11)

  1. Dispositif pour table de cuisson, notamment pour une table de cuisson dotée d'une plaque de recouvrement (16) pourvue d'au moins deux zones chauffantes (10a-10d), comportant une unité de capteur d'ustensile de cuisson (28) qui comprend au moins une unité de détection de pontage (30) agencée pour détecter au moins un pontage des au moins deux zones chauffantes (10a-10d) par au moins un élément d'ustensile de cuisson (18a),
    caractérisé en ce que l'unité de détection de pontage (30) est agencée pour détecter un transfert d'énergie d'une des zones chauffantes (10a-10d) sur une autre des zones chauffantes (10a-10d).
  2. Dispositif pour table de cuisson selon la revendication 1, caractérisé par une unité de commande et/ou de réglage (26) qui est configurée pour faire fonctionner les deux zones chauffantes (10a-10d) d'une manière coordonnée l'une à l'autre au moins en fonction de l'unité de capteur d'ustensile de cuisson (28).
  3. Dispositif pour table de cuisson selon au moins la revendication 1, caractérisé en ce que le capteur d'ustensile de cuisson (22a-22b) est distant d'au moins 3 cm des bords (14a, 14d) de la zone chauffante (10a-10d).
  4. Dispositif pour table de cuisson selon au moins la revendication 1, caractérisé en ce que le capteur d'ustensile de cuisson (22a, 22b) est situé à une même distance des bords (14a-14d) des deux zones chauffantes (10a-10d).
  5. Dispositif pour table de cuisson selon au moins la revendication 1, caractérisé en ce que le capteur d'ustensile de cuisson (22a, 22b) est disposé symétriquement par rapport à une ligne (24) qui relie les deux centres des deux zones chauffantes (10a, 10b) dans la région inactive de la plaque de recouvrement (16) à l'extérieur des deux zones chauffantes (10a, 10b).
  6. Dispositif pour table de cuisson selon au moins la revendication 1, caractérisé en ce que le capteur d'ustensile de cuisson (22c) est oblong et est disposé transversalement par rapport à une ligne (24) qui relie les deux centres des deux zones chauffantes (10a, 10b) dans la région inactive de la plaque de recouvrement (16) à l'extérieur des deux zones chauffantes (10a, 10b).
  7. Dispositif pour table de cuisson selon l'une des revendications précédentes, caractérisé en ce que la table de cuisson comprend exactement quatre zones chauffantes (10a-10d).
  8. Dispositif pour table de cuisson selon l'une des revendications précédentes, caractérisé en ce que les zones chauffantes comprennent des éléments chauffants (12a-12d), qui sont des inducteurs.
  9. Dispositif pour table de cuisson selon au moins la revendication 8, caractérisé en ce que les capteurs d'ustensile de cuisson (20a-20d) disposés à l'intérieur de la zone chauffante (10a-10d) sont les inducteurs.
  10. Dispositif pour table de cuisson selon l'une des revendications précédentes, caractérisé en ce qu'au moins un capteur d'ustensile de cuisson supplémentaire (20a-22b) est un capteur inductif.
  11. Table de cuisson comprenant un dispositif pour table de cuisson selon l'une des revendications précédentes.
EP10730177.2A 2009-07-29 2010-07-08 Table de cuisson avec au moins deux zones de cuisson Active EP2460388B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19158851.6A EP3518618B1 (fr) 2009-07-29 2010-07-08 Plaque de cuisson pourvue d'au moins deux zones chauffantes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200930530A ES2382431B1 (es) 2009-07-29 2009-07-29 Aparato de coccion con al menos dos zonas de calentamiento
PCT/EP2010/059794 WO2011012418A1 (fr) 2009-07-29 2010-07-08 Table de cuisson avec au moins deux zones de cuisson

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP19158851.6A Division EP3518618B1 (fr) 2009-07-29 2010-07-08 Plaque de cuisson pourvue d'au moins deux zones chauffantes
EP19158851.6A Division-Into EP3518618B1 (fr) 2009-07-29 2010-07-08 Plaque de cuisson pourvue d'au moins deux zones chauffantes

Publications (2)

Publication Number Publication Date
EP2460388A1 EP2460388A1 (fr) 2012-06-06
EP2460388B1 true EP2460388B1 (fr) 2019-11-06

Family

ID=42797486

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19158851.6A Active EP3518618B1 (fr) 2009-07-29 2010-07-08 Plaque de cuisson pourvue d'au moins deux zones chauffantes
EP10730177.2A Active EP2460388B1 (fr) 2009-07-29 2010-07-08 Table de cuisson avec au moins deux zones de cuisson

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19158851.6A Active EP3518618B1 (fr) 2009-07-29 2010-07-08 Plaque de cuisson pourvue d'au moins deux zones chauffantes

Country Status (5)

Country Link
US (1) US20120125918A1 (fr)
EP (2) EP3518618B1 (fr)
CN (1) CN102474916A (fr)
ES (3) ES2382431B1 (fr)
WO (1) WO2011012418A1 (fr)

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FR2978530B1 (fr) 2011-07-26 2013-08-02 Fagorbrandt Sas Table de cuisson et procede de commande en fonctionnement d'une table de cuisson
ES2537479A1 (es) * 2013-12-05 2015-06-08 Bsh Electrodomésticos España, S.A. Dispositivo de campo de cocción y procedimiento para la puesta en funcionamiento de un dispositivo de campo de cocción
US10440783B2 (en) * 2014-03-24 2019-10-08 BSH Hausgeräte GmbH Cooking appliance device having a self-controlling bypassing unit
US20160227609A1 (en) * 2015-01-30 2016-08-04 Schott Corporation Multi function glass or glass-ceramic cooktop system and method of cooking thereon
EP3116288B1 (fr) * 2015-07-09 2020-05-13 Electrolux Appliances Aktiebolag Procédé pour commander une table de cuisson par induction comprenant un certain nombre de bobines d'induction
EP3397022B1 (fr) * 2017-04-26 2019-12-18 Vestel Elektronik Sanayi ve Ticaret A.S. Dispositif et procédé de cuisson par induction
EP3445134B1 (fr) * 2017-08-14 2020-03-11 Electrolux Appliances Aktiebolag Appareil de cuisson et son procédé de fonctionnement
CN109407555B (zh) * 2017-08-16 2021-10-08 佛山市顺德区美的电热电器制造有限公司 加热平台、器具、加热平台的控制方法及器具的控制方法
ES2713379A1 (es) * 2017-11-20 2019-05-21 Bsh Electrodomesticos Espana Sa Procedimiento para el montaje de un sistema de coccion
ES2719130A1 (es) * 2018-01-08 2019-07-08 Bsh Electrodomesticos Espana Sa Dispositivo de campo de coccion
EP3767180A1 (fr) * 2019-07-19 2021-01-20 Electrolux Appliances Aktiebolag Plaque de cuisson doté de zones de chauffage avec différentes températures
CN113721511B (zh) * 2021-08-27 2023-04-25 广东美的厨房电器制造有限公司 烹饪器具及其控制方法、控制装置、控制系统和存储介质

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EP2180760A1 (fr) * 2008-10-21 2010-04-28 Whirpool Corporation Procédé pour la détection de la présence d'un récipient de cuisson sur une plaque de cuisson par induction et plaque utilisant ledit procédé

Also Published As

Publication number Publication date
ES2382431A1 (es) 2012-06-08
EP3518618A1 (fr) 2019-07-31
EP3518618B1 (fr) 2020-09-16
ES2382431B1 (es) 2013-05-08
CN102474916A (zh) 2012-05-23
EP2460388A1 (fr) 2012-06-06
US20120125918A1 (en) 2012-05-24
ES2828700T3 (es) 2021-05-27
WO2011012418A1 (fr) 2011-02-03
ES2768753T3 (es) 2020-06-23

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