EP2460388A1 - Table de cuisson avec au moins deux zones de cuisson - Google Patents

Table de cuisson avec au moins deux zones de cuisson

Info

Publication number
EP2460388A1
EP2460388A1 EP10730177A EP10730177A EP2460388A1 EP 2460388 A1 EP2460388 A1 EP 2460388A1 EP 10730177 A EP10730177 A EP 10730177A EP 10730177 A EP10730177 A EP 10730177A EP 2460388 A1 EP2460388 A1 EP 2460388A1
Authority
EP
European Patent Office
Prior art keywords
cookware
heating zones
heating
hob
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.)
Granted
Application number
EP10730177A
Other languages
German (de)
English (en)
Other versions
EP2460388B1 (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
Original Assignee
BSH Bosch und Siemens 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
Family has litigation
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(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens 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
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/05—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.
  • the invention is in particular the object of providing a cooktop with a Sensoran- order that can safely detect large cookware elements that cover at least two heating zones.
  • 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 as an element of the cooking surface which directly carries a cookware element in a cooking process
  • the cover plate is arranged at least partially between a heating element and the cookware element during a cooking process 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 cooktops with a classic trough mirror with two, four or six heating zones.
  • Each heating zone may comprise concentrically or to extend the heating zone to the Bräteroder bridge roaster heating zone juxtaposed heating elements, so that the size of the heating zone depending on the size and / or shape of the cookware 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 a unit which is provided to determine at least one parameter with information about the cookware element.
  • sensor unit 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” is to be understood in particular as meaning a unit which comprises at least one evaluation unit and / or a special sensor for detecting the bridging a "bridging" a material connection of the two heating zones are understood by means of the cooking utensil element.
  • inventive design can be determined in particular whether also a outside of the two heating zones, in particular between see the two heating zones, arranged area of the cover plate covered by the cookware element If, at the same time, the two cookware sensors arranged within the heating zones respond, the two heating zones and the gap are very likely to be shared by one large cookware element, on the other hand, if the two sensors located within the heating zones respond, while the other, outside If the sensor located in the heating zone does not respond, it is likely that two separate cookware elements are placed on the heating zones.
  • the hob device has a control and / or regulating unit which is designed to operate the two heating zones in a coordinated manner, at least from the cookware sensor unit, whereby a particularly convenient operation and a particularly efficient operation can be achieved can.
  • the operating frequencies of the inductors may be matched to each other for destructive interference and / or to avoid hum of the hob.
  • control and / or computing unit at bridging at least one operating parameter, such as an induction frequency, a heating power, a heating period and / or another, the skilled person as meaningful appearing operating parameters, from at least one of the heating zones to another of the heating zones adapts and in particular equates.
  • operating parameter such as an induction frequency, a heating power, a heating period and / or another
  • the lock-up detection unit is provided to detect a crosstalk of energy from one of the heating zones to another of the heating zones, which makes it possible to detect bridging in a structurally particularly simple manner.
  • a "crosstalk of an energy” should be understood to mean, in particular, a transport of energy through a cookware element,
  • the energy is considered to be sensible to a person skilled in the art as a heat energy, as an electrical energy, as a magnetic energy and / or as another
  • the cookware sensor is arranged at least partially within at least one of the two heating zones The same cookware sensor is particularly advantageously provided for detecting a cooking utensil element set up on one of the heating zones the heating zone is arranged.
  • 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 area of the cover plate” is to be understood as meaning, in particular, an area that is arranged outside a heating zone
  • the control and / or regulating unit is designed to operate simultaneously with the two cookware sensors disposed within the two heating zones and at least one between the two heating zones arranged 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. This may cause a faulty NEN of a large cookware element are avoided, especially in cases where a cookware element is placed on both heating zones, wherein one of the cookware elements projects beyond the lateral edge of the heating zone by a few centimeters, but not covered both heating zones simultaneously.
  • the at least one further cookware sensor has the same distance to the two center points of the two heating zones.
  • a particularly reliable detection can take place if the hob is equipped with at least two further cookware sensors, which can be arranged in particular symmetrically to a connecting line of the two centers of the two heating zones in the inactive area of the cover plate outside the two 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 inductors can be used as the cookware sensors located within the heating zone.
  • the other cookware sensors outside the edges of the heating zones may also be designed as inductive sensors.
  • FIG. 2 a two of the heating zones of the hob of FIG. 1 in a detailed representation with two further cookware sensors arranged between the heating zones, FIG.
  • FIG. 3 shows the two heating zones from FIG. 2 with cooking pots placed on a respective heating zone
  • FIG. 4 shows the hob from FIG. 2 with both heating zones and the others
  • Fig. 5 shows two heating zones of a hob with an arranged between the heating zones elongated sensor according to a further embodiment of the invention.
  • Fig. 1 shows schematically a hob with four heating zones 10a to 10d. Under each of the heating zones 10a to 10d, a circular heating element 12a to 12d formed as an inductor is arranged.
  • the well level of the hob is designed essentially classic, wherein the different heating zones 10a to 10d or heating elements 12a to 12d have different diameters.
  • the edges 14a to 14d of the heating zones 10a to 10d correspond to the edges of the heating elements 12a to 12d in such a way that the edges 14a to 14d are arranged on a cover plate 16 of the hob vertically above the edges of the heating elements 12a to 12d.
  • the edges 14a to 14d are identified by markings applied by asegraphically.
  • a large cookware element 18a in the form of a brewer is arranged on the two heating zones 10a and 10b arranged on the left in FIG. 1 such that the cookware element 18a largely covers the two heating zones 10a, 10b.
  • the cooktop has a cooktop device with a cookware sensor unit 28.
  • the cookware sensor unit 28 has cookware sensors 20a to 20d and a cookware sensor unit 28.
  • the cookware sensors 20a to 2Od are in the center the heating zones 10a to 1 Od or the heating elements 12a to 12d are arranged, 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.
  • the evaluation unit 32 is partially formed in one piece with a control and / or regulating unit 26.
  • the signal coupling means are integrally formed with the cookware sensors 20a to 2Od, but could alternatively be formed separately.
  • the signal coupling means upon operation, couple a signal to a cookware element 18a, 18c, 18d. In this case, the signal is formed as an inductive signal.
  • the cookware element 18a forwards the signal.
  • the cookware sensor 20a to 2Od of one of the heating zones 10a to 10d detects the signal of a signal coupling means of another one of the heating zones 10a to 10d.
  • a cookware sensor of a heating zone could also detect a heat temperature of another heating zone.
  • the evaluation unit 32 detects the overcoupling of the energy.
  • the lock-up detection unit 30 is provided to detect a crosstalk of an energy from one of the heating zones 10a to 10d to another of the heating zones 10a to 10d.
  • the bridging detection unit 30 comprises two further cookware sensors 22a, 22b.
  • the further cookware sensors 22a, 22b are arranged outside the edges 14a, 14b below the cover plate 16 formed of glass or glass ceramic in an inactive region 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, centered on the relevant heating zone 10a, 10b is set up.
  • 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-11d.
  • the other two cookware sensors 22a, 22b are arranged symmetrically to a connecting line 24 between the centers of the two heating zones 10a, 10b.
  • FIG. 3 shows the section of the cooking hob shown in FIG. 2 in a configuration with two cookware elements 18c, 18d whose diameter does not exceed or only slightly exceeds the diameter of the relevant heating zone 10a, 10b 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 control and / or regulating unit 26 shown schematically in FIG. 1 picks up the signals of the cookware sensors 20a to 20d and 22a, 22b in order to detect on which of the heating zones 10a-10d a cookware element 18c, 18d is placed or possibly a large, elongated cookware element 18a of the type shown in Fig. 1, both heating zones 10a, 10b covered.
  • the control unit 26 concludes from the fact that the two other cookware sensors 22a, 22b do not respond that two separate, independent cookware elements 18c, 18d to the two heating zones 10a, 10b are set up.
  • FIG. 4 shows a configuration in which an elongated cookware element 18a designed as a roasting pan is placed on the hob such that both heating zones 10a, 10b are covered.
  • Both the cookware sensors 20a, 20b within the heating zones 10a, 10b and the cookware sensors 22a, 22b outside the active areas of the heating zones 10a, 10b respond. From this, the control and / or regulating unit 26 (FIG. 1) deduces that not two independent cookware elements, but only a single cookware element 18a is set up, which covers both heating zones 10a, 10b.
  • the control and / or regulating unit 26 operates the two heating zones 10a, 10b in a coordinated manner, in particular with the same chen 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.
  • the further sensors 22a, 22b may be disposed between a certain pair of heating zones 10a, 10b, or alternatively between each pair of adjacent heating zones 10a-1d0.
  • FIG. 5 shows two heating zones 10a, 10b of a hob with an elongated sensor 22c arranged between the heating zones 10a, 10b according to a further embodiment of the invention.
  • the sensor 22c replaces the two further cookware sensors 22a, 22b from FIGS. 2-4.

Landscapes

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

Abstract

L'invention concerne un agencement de table de cuisson, en particulier pour une table de cuisson avec une plaque de couverture (16) qui comprend au moins deux zones de cuisson (10a à 10d), avec une unité de détection de casserole (28). Selon l'invention, il est prévu que l'unité de détection de casserole (28) possède au moins une unité de détection du pontage (30) qui est prévue pour détecter au moins un pontage entre lesdites au moins deux zones de cuisson (10a à 10d) par au moins une casserole (18a).
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 true EP2460388A1 (fr) 2012-06-06
EP2460388B1 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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Publication number Priority date Publication date Assignee Title
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
WO2015145309A1 (fr) * 2014-03-24 2015-10-01 BSH Hausgeräte GmbH Dispositif pour appareil de cuisson avec unité de pontage à commande automatique
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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Also Published As

Publication number Publication date
ES2382431A1 (es) 2012-06-08
ES2828700T3 (es) 2021-05-27
EP3518618B1 (fr) 2020-09-16
EP3518618A1 (fr) 2019-07-31
CN102474916A (zh) 2012-05-23
ES2382431B1 (es) 2013-05-08
EP2460388B1 (fr) 2019-11-06
US20120125918A1 (en) 2012-05-24
ES2768753T3 (es) 2020-06-23
WO2011012418A1 (fr) 2011-02-03

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