EP3297397A1 - Procédé de fonctionnement d'une plaque de cuisson dotée d'une pluralité de dispositifs de chauffage - Google Patents

Procédé de fonctionnement d'une plaque de cuisson dotée d'une pluralité de dispositifs de chauffage Download PDF

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Publication number
EP3297397A1
EP3297397A1 EP17190630.8A EP17190630A EP3297397A1 EP 3297397 A1 EP3297397 A1 EP 3297397A1 EP 17190630 A EP17190630 A EP 17190630A EP 3297397 A1 EP3297397 A1 EP 3297397A1
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EP
European Patent Office
Prior art keywords
power density
cooking vessel
heating
area power
hob
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
EP17190630.8A
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German (de)
English (en)
Other versions
EP3297397B1 (fr
Inventor
Christian Egenter
Gabriel Rupp
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.)
EGO Elektro Geratebau GmbH
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EGO Elektro Geratebau GmbH
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Application filed by EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Priority to PL17190630T priority Critical patent/PL3297397T3/pl
Publication of EP3297397A1 publication Critical patent/EP3297397A1/fr
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/03—Heating plates made out of a matrix of heating elements that can define heating areas adapted to cookware randomly placed on the heating plate
    • 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 method for operating a hob, said hob having a plurality of heaters under a hob plate.
  • the invention has for its object to provide an aforementioned method, with which a hob with a cooktop plate and several or with a plurality of heaters can be operated advantageously, especially in the event that a cooking vessel to be moved to the hob plate and should be heated further.
  • the hob which is to be operated by the method according to the invention, has a hob plate and a plurality of heaters are arranged underneath.
  • the heaters adjoin one another and / or are provided in a regular arrangement, so that they cover a substantial part of the area under the cooktop panel, in particular a so-called heating area.
  • Such hobs are for example from the aforementioned EP 2211591 A1 or the DE 102014224051 A1 known.
  • a cooking vessel is placed on the hob plate in a first position, wherein the cooking vessel thereby covers at least one heating device.
  • the cooking vessel covers at least two heating devices in such a way that both heating devices are operated.
  • an operation of this at least one heater with a certain predetermined first area power density is typically entered as a power level on a manual input by an operator to an operator of the hob, alternatively by means of a remote control for the cooktop.
  • a first area power density could also be specified by an automatic cooking program.
  • the cooking vessel on the hob plate is moved, for example, deliberately by an operator, because the current position may be distracting or unnecessary.
  • a displacement of the cooking vessel must be done by a certain resolveverschiebeweg, so that the process expires or makes sense. This can be, for example, at least 5 cm.
  • the cooking vessel is then in a second position, which differs from the first position by this trenchverschiebeweg.
  • the future area power density with which the cooking vessel is heated is determined. It is thus determined with which future surface power density the heating of the cooking vessel takes place in the second position. There are at least two cases.
  • the previous heating of the cooking vessel with a so-called small area power density was carried out as the first area power density.
  • the cooking vessel has been heated after placement in the first position with such a small area power density to the time when it has then been moved by a certain displacement, namely at least the strictlychiebeweg, in the second position.
  • a small area power density is equal to and less than 3.5 W / cm 2 , under certain circumstances even less than 3 W / cm 2 or 2.5 W / cm 2 .
  • 3.5 W / cm 2 usually correspond to an induction hob of a stage 7 as a power level or Heat setting.
  • the cooking vessel is also heated at the second position with the previous first area power density, so it is maintained.
  • the heating of the cooking vessel does not change or only insignificantly, namely possibly dependent on negligible parameters such as coverage of one or more heating devices.
  • this heating is continued with a small area power density even at the new second position, in particular is continued permanently.
  • the cooking vessel has been heated after its erection at the first operation of the heater with a large surface power density as the first area power density, and this is then reduced after moving the cooking vessel in the second position, in particular permanently reduced.
  • the second area power density is thus lower than the predetermined first and large area power density.
  • a large area power density as a discrimination value or limit value can be greater than the previously mentioned 3.5 W / cm 2 or greater than 45% of the maximum area power density. It may also be present at even higher values, for example at 4 W / cm 2 or even at 5 W / cm 2 , ie at 50% to 60% of the maximum surface power density.
  • the invention has found that, in practice, when the cooking vessel is heated with such a large or very large or even at the maximum surface density, a cooking vessel is displaced when an undesired or critical state is present. For example, water may be used for noodles or boil water with noodles in it or threaten to sear or steak a steak in a pan too much.
  • conventional hobs with a few heaters where usually only a single heater, possibly provided with several heating circuits for resizing, for heating the cooking vessel, by moving the cooking vessel away from the complete coverage of the heater a clear or complete Reduction of heating power can be effected.
  • the cooking vessel is taken from the cooking area, so to speak. In the second case of the invention, this behavior is to be simulated or simulated so to speak, for which reason the area power density is just reduced in this second case.
  • a reduction in the area power density in the aforementioned second case that is, when a large predetermined first area power density has been used at the beginning, to a new or future area power density between 0.5 W / cm 2 and 4 W / cm 2 or 1.0 W / cm 2 and 4 W / cm 2 , more preferably between 1.5 W / cm 2 and 2.5 W / cm 2 .
  • a reduction of the area power density can be made to or below the prescribed limit above which a distinction is made in either a small area power density or a large area power density.
  • a reduction of the area power density in this second case takes place even more strongly, in particular even below said first area power density or below the limit value. This can be turned off in all cases, a prescribed critical or unwanted state.
  • the aforementioned small area power density is even below 3.5 W / cm 2 . It can also be only 1.5 W / cm 2 or 2.5 W / cm 2 corresponding to a level 5 or 6 as a power level or cooking level.
  • the said minimum displacement can advantageously be greater than 5 cm, particularly advantageously greater than 10 cm.
  • a shift direction can generally be neglected. This can be taken into account that in use can be several cooking vessels on the hob plate and a shift is not always possible only to the rear, which is probably the most common and simplest case, but under certain circumstances even must be done diagonally behind, possibly even after front. It could also be provided in one embodiment of the invention, however, that the displacement direction has an effect on the level and / or duration of the power reduction.
  • the small area power density and the large area power density directly adjoin one another without a further power range for a surface power density therebetween, ie only separated by a single fixed limit value. It may be possible to provide a very small area power density or a very large area power density below or below.
  • the hob signaling to an operator when the displacement of the cooking vessel has been determined by at least the aforementioned minimum displacement.
  • Such signaling can be done optically and / or acoustically.
  • signaling may occur if, depending on the distinction made in the first or second case, the area power density has been maintained or reduced.
  • an operator is offered an option on the area power density determine, especially about the acquisition or not.
  • This option can be offered for a specific offer time, in particular 1 sec to 10 sec.
  • an operating input in particular at an aforementioned control device of the hob, a power takeover of the previous first area power density or setting a new second area power density can be confirmed or prevented.
  • an operator may be prompted to optically and / or acoustically accept or reject a future area power density presented by the hob on a display in the form of a cooking level as suggested by the cooktop.
  • This can apply to the two aforementioned cases, ie both when the cooking vessel was heated first with the first small area power density and in the future should continue to be heated as well as when a reduction should be based on a first large area power density.
  • the area power density is determined and set according to the above-described distinction in the first case or the second case.
  • Airritable spastic pressure can be specified not only in centimeters or as an absolute measure, but also based on the size or a diameter of the installed cooking vessel or one of the heaters of the hob.
  • a minimum displacement should be greater than 50%, advantageously greater than 65%, of a diameter of the installed cooking vessel or one of the heating devices.
  • the minimum displacement can be determined that it is so large that at least one previously covered by the cooking vessel in the first position sufficiently for a heating operation heater, which was advantageously completely covered before, in the second position of the Cooking vessel is no longer covered.
  • the specific surface power density with which the cooking vessel is heated after its placement on the hob plate in the first position is specified by an operator. This can take place just by a manual input to an operating device of the hob. Alternatively, an automatic cooking program or the like. determine this area power density in the hob itself.
  • the recognition of a covering of at least one heater by the cooking vessel can be done either by the heater itself, especially if it is induction heating coils. These can determine their degree of coverage by a cooking vessel relatively reliable. This knows the expert. Alternatively, other sensors could be provided which can detect overlaps or positions of cooking vessels on a hob.
  • a hob with which the above-described method can be advantageously carried out, should have more than the usual four heaters for four discrete cooking zones.
  • at least twice three or two times four heating devices can be provided, in particular three times four heating devices.
  • Their arrangement should be regular, so that a good coverage is achievable.
  • the heaters should also be arranged relatively close to each other in order to achieve the most complete possible heating of the cooking vessel at any position.
  • FIG. 1 a plan view of an induction hob with a plurality of induction heating coils and two possible displacement paths of a pot.
  • Fig. 1 is a cooking hob in plan view from above with a cooking plate 12, under which in a heating area 13, a plurality of induction heating coils 15 is arranged. Here three times four, so twelve, heating devices are shown, which cover the area of the heating area 13 substantially. But there could also be more induction heating coils available.
  • the induction heating coils 15 are advantageously the same size, particularly advantageously identical.
  • the control device has controls 18, which may be formed for example by said touch switch, and at least one display 19.
  • the display 19 is designed as a known 7-segment display. It shows a power level "8" here.
  • a pot 21 is placed in the front area on the left of the hob plate 12 and the heating area 13 and covers two Indukommieswespulen 15 such that they serve to heat this pot 21 together.
  • the erection of the pot 21 may have been recognized by the induction heating coils themselves.
  • further sensors may have detected it or an operator may enter information on the operating device 17 by means of the operating elements 18 that the pot 21 is to be heated on the left in front.
  • a power level is selected, namely the power level "8", which is then displayed in the display 19.
  • This power level 8 corresponds to a surface power density of about 5 W / cm 2 for the pot 21. So it is a large area power density.
  • the pot 21 is moved by the operator to the rear. This is to serve as a quick response to the fact that the water in the pot 21 is threatening to overcook, which is not desired by the operator. Moving the pot 21 then at least subjectively for many operators faster and more direct and reliable than reducing the power by means of the operating device.
  • the reduced area power density well 21 may act as the second new area power density operate.
  • the power is reduced, at least to the limit between small area power density and high surface power density or a value between 3 W / cm 2 and 4 W / cm 2 , here 3.5 W / cm 2 . If the distance d was smaller than the minimum displacement, no action would be taken.
  • the predefined first area power density were set to less than 3.5 W / cm 2 or less than 3 W / cm 2 or a power level of "7" or "6" or lower, then no change and in particular no reduction in the area power density or the power level in the new second position.
  • the reduction of the power incidentally also already the shifting and recognition of the displacement of the pot, can be visually and / or acoustically displayed in a known manner.
  • the option can be offered after detecting the pot in the second position 21 or else 21 'for up to 10 seconds from the hob 11 or from the operating device 17 and a control contained therein, a power takeover after shifting to confirm or prevent or reverse.
  • a power reduction in the new second position an operator can by operating a special control element, which is visually displayed for example, cause the surface power density or the power level is not permanently reduced.
  • the surface power density has been reduced, at least provisionally, immediately after shifting, it is then again increased to the original first surface power density. If the operator allows more than the predetermined 10 seconds to elapse without a valid actuation of the special operating element provided for it, then the reduced second area power density remains. This time of 10 seconds can generally also be varied, for example, only 3 seconds to 5 seconds or up to 20 seconds.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Stoves And Ranges (AREA)
EP17190630.8A 2016-09-16 2017-09-12 Procédé de fonctionnement d'une plaque de cuisson dotée d'une pluralité de dispositifs de chauffage Active EP3297397B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17190630T PL3297397T3 (pl) 2016-09-16 2017-09-12 Sposób działania płyty kuchennej z kilkoma urządzeniami grzewczymi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016217783.4A DE102016217783A1 (de) 2016-09-16 2016-09-16 Verfahren zum Betrieb eines Kochfeldes mit mehreren Heizeinrichtungen

Publications (2)

Publication Number Publication Date
EP3297397A1 true EP3297397A1 (fr) 2018-03-21
EP3297397B1 EP3297397B1 (fr) 2020-11-04

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ID=59858582

Family Applications (1)

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EP17190630.8A Active EP3297397B1 (fr) 2016-09-16 2017-09-12 Procédé de fonctionnement d'une plaque de cuisson dotée d'une pluralité de dispositifs de chauffage

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EP (1) EP3297397B1 (fr)
DE (1) DE102016217783A1 (fr)
ES (1) ES2845753T3 (fr)
PL (1) PL3297397T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3612002A1 (fr) * 2018-08-14 2020-02-19 E.G.O. Elektro-Gerätebau GmbH Procédé de commande d'un dispositif de chauffage d'un champ de cuisson et champ de cuisson
BE1031072B1 (de) * 2022-11-25 2024-06-24 Miele & Cie Kochfeld

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019219808A1 (de) 2019-12-17 2021-06-17 E.G.O. Elektro-Gerätebau GmbH Verfahren zum Betrieb eines Kochgeräts und Kochgerät
KR20210083568A (ko) * 2019-12-27 2021-07-07 엘지전자 주식회사 피가열체의 속성에 기초하여 화력이 조절되는 전기 레인지
DE102020209648A1 (de) * 2020-07-30 2022-02-03 E.G.O. Elektro-Gerätebau GmbH Verfahren zum Betrieb eines Kochfelds und Kochfeld

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2211591A1 (fr) * 2009-01-22 2010-07-28 BSH Bosch und Siemens Hausgeräte GmbH Procédé de fonctionnement d'un champ de cuisson doté d'une multitude d'éléments de chauffage
DE102013218715A1 (de) * 2012-10-19 2014-04-24 BSH Bosch und Siemens Hausgeräte GmbH Kochfeldvorrichtung
WO2015015361A1 (fr) * 2013-07-31 2015-02-05 BSH Bosch und Siemens Hausgeräte GmbH Système de table de cuisson
EP3001772A1 (fr) * 2014-09-24 2016-03-30 BSH Hausgeräte GmbH Plaque de cuisson

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2872258B1 (fr) 2004-06-25 2006-11-10 Brandt Ind Sas Table de cuisson a plusieurs zones de cuisson
DE102009020905A1 (de) 2009-05-12 2010-12-09 Diehl Ako Stiftung & Co. Kg Kochfeld
DE102011102394B4 (de) 2011-05-24 2013-01-31 Diehl Ako Stiftung & Co. Kg Vorrichtung und Verfahren zur Bedienung eines Kochfeldes
EP3448118B2 (fr) 2013-04-30 2023-04-05 Electrolux Appliances Aktiebolag Table de cuisson et procédés pour faire fonctionner une telle plaque de cuisson
EP2833697B1 (fr) 2013-07-31 2017-06-14 BSH Hausgeräte GmbH Dispositif de plaque de cuisson
EP3028535B2 (fr) 2013-07-31 2022-09-21 BSH Hausgeräte GmbH Système de table de cuisson
ES2544515B1 (es) 2014-02-28 2016-06-09 Bsh Electrodomésticos España, S.A. Campo de cocción con varios elementos de calentamiento.
DE102014224051A1 (de) 2014-11-25 2016-05-25 E.G.O. Elektro-Gerätebau GmbH Induktionskochfeld und Verfahren zur Steuerung eines Induktionskochfelds

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2211591A1 (fr) * 2009-01-22 2010-07-28 BSH Bosch und Siemens Hausgeräte GmbH Procédé de fonctionnement d'un champ de cuisson doté d'une multitude d'éléments de chauffage
DE102013218715A1 (de) * 2012-10-19 2014-04-24 BSH Bosch und Siemens Hausgeräte GmbH Kochfeldvorrichtung
WO2015015361A1 (fr) * 2013-07-31 2015-02-05 BSH Bosch und Siemens Hausgeräte GmbH Système de table de cuisson
EP3001772A1 (fr) * 2014-09-24 2016-03-30 BSH Hausgeräte GmbH Plaque de cuisson

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3612002A1 (fr) * 2018-08-14 2020-02-19 E.G.O. Elektro-Gerätebau GmbH Procédé de commande d'un dispositif de chauffage d'un champ de cuisson et champ de cuisson
BE1031072B1 (de) * 2022-11-25 2024-06-24 Miele & Cie Kochfeld

Also Published As

Publication number Publication date
ES2845753T3 (es) 2021-07-27
PL3297397T3 (pl) 2021-05-17
EP3297397B1 (fr) 2020-11-04
DE102016217783A1 (de) 2018-03-22

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