WO2005069688A2 - Procede de commande pour elements chauffants, dispositif, et plaque de cuisson - Google Patents

Procede de commande pour elements chauffants, dispositif, et plaque de cuisson Download PDF

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Publication number
WO2005069688A2
WO2005069688A2 PCT/EP2005/000185 EP2005000185W WO2005069688A2 WO 2005069688 A2 WO2005069688 A2 WO 2005069688A2 EP 2005000185 W EP2005000185 W EP 2005000185W WO 2005069688 A2 WO2005069688 A2 WO 2005069688A2
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WO
WIPO (PCT)
Prior art keywords
power
heating elements
pattern
power level
heating
Prior art date
Application number
PCT/EP2005/000185
Other languages
German (de)
English (en)
Other versions
WO2005069688A3 (fr
Inventor
Klaus-Wolfgang Klingner
Martin Baier
Martin Bellm
Original Assignee
E.G.O. Elektro-Gerätebau 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
Application filed by E.G.O. Elektro-Gerätebau GmbH filed Critical E.G.O. Elektro-Gerätebau GmbH
Publication of WO2005069688A2 publication Critical patent/WO2005069688A2/fr
Publication of WO2005069688A3 publication Critical patent/WO2005069688A3/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
    • 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
    • H05B2213/03—Heating plates made out of a matrix of heating elements that can define heating areas adapted to cookware randomly placed on the heating plate

Definitions

  • the invention relates to a control method for a partial area of a heating surface with the features of the preamble of claim 1 and to a device and a hob, in which the control method is used.
  • the invention has for its object to provide a control method for a partial area of a heating field consisting of individual heating elements, it should be possible with the method to achieve a uniform and specifically determinable power output over this partial area.
  • n M us t he patterns of clocks with optionally different power levels, which in means lead to a power output of Pfviuster, wherein n M is the maximum model (n be-rich non),
  • the heating surface can be both a heating surface for only one cooking vessel, which has several heating elements, so that the heated surface can be adapted to the size of the cooking vessel, as well as a heating surface for one or more cooking vessels, in which the cooking vessels can be arranged anywhere on the heating surface and in which the heating surface is divided into a plurality of elements that can be controlled separately from each other, so that only the heating elements are specifically supplied with energy that are arranged so that they stand on the heating surface can heat. In the sub-region, it may also be the entire heating surface with all n H eiz f i e ⁇ ch act heating elements.
  • the heating elements have discrete power levels that determine the amount of power they can output.
  • the power to be determined in the first step of the method can be set directly by an operator or can also come from a control device which, for example, specifies the target power Ps o ii on the basis of an automatic cooking program or a manual input with specific power profiles.
  • the target power Psoii should not exceed the maximum power that can be output by all heating elements in the sub-area at the highest power level.
  • the number of heating elements is determined which, when operating at the highest power level, together come as close as possible to the target power P S ⁇ ⁇ without exceeding it.
  • the number of these heaters is non in the least case, zero, even the power output provided a heating element at maximum power, the target performance would exceed Psoii, and in the highest case n ⁇ ereic h, all the heating elements of the subregion with the highest power level if the target performance overall Psoii reach or the target power Psoii is above the maximum power that can be output by all heating elements in the sub-area.
  • the third method step it is determined how large the difference between the power P 0n that can be output by n 0 n heating elements at the highest power level and the desired power Psoii is. This power must be applied by one or more heating elements that cannot be operated continuously at the highest power level in order not to exceed the power Ps o ii. If these power difference Prvius he t is not zero, in the fourth method step, a number n M u s t r e patterns of clocks of different power levels composed that can achieve these power difference P M model. The patterns consist of any number of cycles of the same length, each of which is carried out at a specific performance level. The respective average power outputs of these patterns must sums the power difference P M u ste r arise.
  • the method allows, in principle, more than one pattern of cycles with different power levels to be used, preferably only one pattern should be defined, which runs on a heating element in the pattern mode.
  • the number of samples shall be the number n Be reaching the heating elements in the partial area minus the number of non heating elements that are operated at each of maximum power, not exceed.
  • the number of heating elements that are operated at the highest power level, the number of heating elements in sample mode, and the pattern itself are determined.
  • the functions "power output at the highest power level", “power output according to a defined model” and “no power output” are assigned to the heating elements of the sub-area in a rotating manner if there is at least one heating element of each function, each heating element in the sub-area is also assigned to each function in rotation. After a fixed number of cycles, preferably after each cycle, the function assignment continues to rotate.
  • the heating elements are preferably induction heating elements.
  • the number NMU is t he the one pattern. This represents a particularly expedient embodiment of the method, since only one heating element is in sample operation. As a result, the remaining heating elements are operated at full power or are not in operation.
  • the discrete power levels of the heating elements are generated by omitting individual half-waves of a cycle in the AC supply.
  • a number of half-waves which is preferably even, are combined to form one cycle.
  • the various discrete power levels can be achieved with such a clock. If standards or regulations stipulate that the negative and positive half-waves must be balanced within a certain number of half-waves, the number of power levels is reduced. In the case of cycles with six half-waves each, in which the number of negative and positive half-waves per cycle must be balanced, the four alternatives for the cycle with zero half-waves, with two half-waves, with four half-waves or with six half-waves result.
  • Such a cycle can therefore assume the discrete power levels "no power output", “one third of the maximum power”, “two thirds of the maximum power” and “maximum power”.
  • Particularly advantageous when using the control method according to the invention with clock cycles which differ in their power output due to the omission of half-waves is the minimization of fluctuations in the power consumption of the heating field, since in the partial areas only the heating elements operated with samples, preferably therefore only one heating element, alternately partially omitting half-waves and partially not omitting.
  • the pattern is composed exclusively of cycles of two different power levels, with no power being output at one power level and the other power level being the next higher power level to the power difference P M.
  • the pattern is composed exclusively of cycles of two different performance levels, where the one power level is the next higher power level to the power difference pattern and the other power level is the next lower power level to the power difference PMuster. In this way, a relatively balanced output is achieved.
  • the cycles of different performance levels are evenly distributed in the pattern.
  • the even distribution of the cycles of different performance levels means that the output is very even within the duration of a passage through the sample.
  • the cycles are arranged in blocks of the same power levels and arranged in the pattern. This is the simplest method for distributing the clocks of different power levels within the pattern. With regard to a control device for such a method, this offers the advantage that the control device can specify cycles of a higher power level until the required power P M us t er within the pattern has been reached, and then only until the end of the run through the pattern to specify cycles without output.
  • the number of clocks of the pattern is a prime number which is greater than the number of heating elements neereic h of the portion is preferably greater than the number of heating elements nHeizfizze the entire heating surface.
  • Such a determination of the number of cycles of the pattern ensures that no irregular distribution occurs when the functions are assigned to the heating elements in a rotating manner. Such an irregular distribution could result in a heating element being in and out of the pattern operation again and again at the same cycles of the pattern the consequence would be the inhomogeneous output of the sub-area.
  • a different heating element as the first heating element has the function "output according to pattern" with each pass through the pattern. It is particularly expedient if the number of cycles of the pattern is greater than the number of is heaters n H eizfi ä c h e of the entire heating surface.
  • the object on which the method is based can also be achieved by a device with the features of claim 9, preferably a control device, for controlling heating elements of a hob, as well as by a hob with the features of claim 10, this device being designed to do the described Execute procedure.
  • Such a device can be part of a hob together with several heating elements.
  • induction devices are preferably provided as heating elements.
  • Fig. 1 is a schematic representation of the method
  • Fig. 2 is a plan view of a heating surface with two sub-areas in operation
  • Fig. 3 shows a pattern of 41 cycles, in which the power output is determined for each cycle for each of the three heating elements of the first sub-area 4 is a pattern of 41 cycles, in which the power output is determined for each cycle for one of the seven heating elements of the second sub-area,
  • FIG. 5 shows three operating states of the first of the two regions in operation from FIG. 2, FIG. 6 seven operating states of the second of two regions in operation from FIG. 2 and FIG. 7 a representation of a complete pattern of 41 cycles, whereby for Each cycle shows how high the power output is and which of the heating elements is currently delivering maximum power, which of the heating elements is not performing power and which of the heating elements is delivering power in accordance with the sample specification.
  • FIG. 1 shows a schematic representation of the method according to the invention.
  • Input parameters of the process the maxi- mum power PHeizeiement that can deliver a heating element in each case, the number of heating elements n Ber verifiable that belong to the part to be heated range, and in the entire portion to be obtained power P S ⁇ ⁇ -
  • the number of non-heating elements is determined in a first step 10, which in operation does not just exceed the total target power Psoii during operation at full power PHeementement.
  • the power Pon is calculated, the non this number of heating elements at full power P H eizeiement in operation guaranteed.
  • the power difference jdoe is calculated, the target power and the power Po of Psoii no n heating elements in each full power P H eiz e is iement between the total.
  • the n M model pattern advertising set composed of bars of different power levels and, where appropriate, together provide the service jdoe average in their sum.
  • the number of cycles per pattern nja kt ePro pattern is fixed in the present case. Alternatively, it would, however, also possible for the number of cycles per sample nja teProMuster dependent on other values preferably, the number n Be reic h of the heating elements in the subregion, flexible set.
  • the heating elements are operated on the basis of the determined values and the defined pattern.
  • the heating elements can basically perform one of three different functions. A number of heating elements are operated with maximum power. A number n of heating element patterns, which are preferably only one heating element, are operated with patterns defined in step 16. The remaining heating elements in the section do not deliver any power.
  • the assignment of these functions to the actual heating elements changes permanently. The assignment is changed at short intervals, preferably at intervals of the time length of a cycle.
  • Fig. 2 shows a heating surface with a total of 38 heating elements.
  • the maximum output of each heating element is 300 watts.
  • Two sections 30, 32 of the heating surface are in operation.
  • the partial area 30 consists of a total of three heating elements 30a, 30b, 30c.
  • the target power of this partial area 30 is 360 watts.
  • the second section 32 consists of a total of seven heating elements 32a, 32b, 32c, 32d, 32e, 32f, 32g.
  • the target power of this second section 32 is 1350 watts.
  • one heating element is operated with its maximum output of 300 watts and a second heating element is operated in sample mode, that is to say with a pattern of cycles of different power levels. This is such that it leads to a power output of approx. 60 watts over the length of a complete pass.
  • a third heating element of section 30 is not needed to achieve the desired output of 360 watts.
  • the cross-hatched heating element 30b is operated with its maximum output of 300 watts
  • the single-hatched field 30a is operated with the pattern
  • the heating element 30c has no power output.
  • a total of four heating elements are operated with their full power of 300 watts each and a further heating element is operated in the sample mode.
  • Two heating elements of section 32 are not needed to achieve the target output of 1350 watts.
  • the four fields 32a, 32e, 32f, 32g each output their maximum power.
  • the heating element 32d is operated with the pattern.
  • the two heating elements 32b, 32c do not output any power.
  • 3 and 4 show the control patterns 34, 36 of the heating elements of the partial areas 30, 32 which are respectively in pattern operation. Since the entire heating surface has thirty-eight heating elements, the number of heating elements is
  • the performance levels are 0%, 33.3%, 66.6% and 100% of the performance. Converted to absolute power, this means that the power levels are 0 watts, 100 watts, 200 watts and 300 watts.
  • the heating element operated with the sample in the first partial area 30 must provide the power difference between the target power 360 watts and that of the one heating element operated at maximum power 300 watts. Since the power difference of 60 watts is still below the second of the discrete power levels of 100 watts, the pattern consists of clocks with 0 watts of power and 100 watts of power. The corresponding pattern 34 is shown in FIG. 3. It consists of 25 cycles with 100 watts of power and 16 cycles with 0 watts of power. The cycles of the same power are combined into blocks. The average power for the entire pattern is 60.97 watts. Based on the entire partial area 30, this results in an average power output of 360.97 watts over one pass of the pattern. This is only slightly above the target power of 360 watts for this subarea 30.
  • the pattern 36 of the heating element of the partial area 32 operated with a pattern The power to be applied by this heating element of the partial area 32 is 150 watts. The next higher discrete power level delivers 200 watts. The pattern has 31 cycles with the discrete power level of 200 watts. In addition, the sample shows ten bars without output. As with the pattern of the first partial area 30, the pattern of the second partial area 32 is divided into blocks with clocks of the same line level. The power emitted by the replaceable heating element in this sample averages 151, 21 watts over one pass of the sample. Together with the four heating elements of the second sub-area 32, which at full power operated, the total output is 1351, 21 watts. The target power of the second partial area 32 is thus exceeded by only a little more than one watt.
  • the cross-hatched heating elements are each the heating elements which are operated at maximum power.
  • the simply hatched heating elements are the heating elements on which the respective pattern of the partial area runs.
  • the heating element 30b is operated at full power, the heating element 30a is operated with the pattern 34 and the heating element 30c is not operated.
  • the heating elements change their assignment to the functions, so that the second operating state 42 is established.
  • the third operating state 44 after the same time period.
  • the first operating state 40 is continued again. It can be seen that in this way each of the heating elements has assumed each function once.
  • the choice of the prime number 41 as the number of cycles of the pattern ensures that the same heating element does not begin to carry out the pattern each time the pattern is passed. In the event that the pattern started on heating element 30a on the first pass, it will start on heating element 30b on the second pass. This ensures that the heating elements emit power very evenly.
  • the second partial area 32 has a total of seven different phases 50, 52, 54, 56, 58, 60, 62.
  • the heating element 32g represents the heating element that outputs power according to the pattern 36.
  • the four heating elements 32b, 32c, 32d, 32e are operated at full power.
  • the two heating elements 32a, 32f are operated without power.
  • the assignment changes, so that after seven phase changes, each heating element was operated a total of four times at full power, twice without power and once according to the pattern from FIG. 5. This results in a uniform power output for the entire second partial area 32.
  • FIG. 7 shows a complete run through the pattern for the first partial region 30.
  • the pattern begins with phase 70, in which the heating element 30a represents the alternating heating element. From there, the assignment of the functions to the heating elements of the subarea 30 is changed with each cycle.
  • the power output of the removable heating element is 100 watts.
  • the power output of the removable heating element is 0 watts in each case. So after a complete run of the pattern,
  • heating element 30a was operated with 300 watts for 14 cycles, with 100 watts for 9 cycles and with 0 watts for 18 cycles, that is to say with 124.39 watts on average,
  • heating element 30b was operated for 14 cycles with 300 watts, for 8 cycles with 100 watts and for 19 cycles with 0 watts, ie with an average of 121.95 watts and 3. that the heating element 30c was operated for 13 cycles with 300 watts, for 8 cycles with 100 watts and for 20 cycles with 0 watts, ie on average with 114.63 watts.
  • heating element 30b would start to carry out the pattern the next time through the pattern means that these performance differences are compensated for during longer operation.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Resistance Heating (AREA)

Abstract

La présente invention concerne un procédé qui permet le fonctionnement d'une partie (30, 32) d'une plaque de cuisson, composée de plusieurs éléments chauffants (30a, 30b, 30c, 32a, 32b, 32c, 32d, 32e, 32f, 32g), avec une puissance dont la répartition sur l'intégralité de ladite partie, est homogène et peut être sélectionnée, même lorsque les éléments chauffants (30a, 30b, 30c, 32a, 32b, 32c, 32d, 32e, 32f, 32g) ne peuvent fournir de la puissance que sur des plages de puissances discrètes. A cet effet, certain éléments chauffants fonctionnent à puissance élevée, dans la mesure du possible un élément chauffant a un fonctionnement cyclique alors que les autres éléments chauffants restent sans puissance.
PCT/EP2005/000185 2004-01-14 2005-01-12 Procede de commande pour elements chauffants, dispositif, et plaque de cuisson WO2005069688A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410003126 DE102004003126B4 (de) 2004-01-14 2004-01-14 Ansteuerungsverfahren für Heizelemente und Vorrichtung
DE102004003126.6 2004-01-14

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WO2005069688A2 true WO2005069688A2 (fr) 2005-07-28
WO2005069688A3 WO2005069688A3 (fr) 2005-11-24

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Cited By (12)

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ES2310962A1 (es) * 2006-12-04 2009-01-16 Bsh Electrodomesticos España, S.A. Circuito de dispositivo de calentamiento.
ES2329211A1 (es) * 2007-08-07 2009-11-23 Bsh Electrodomesticos España, S.A. Circuito de dispositivo de coccion.
ES2356780A1 (es) * 2009-01-20 2011-04-13 Bsh Electrodomesticos España, S.A. Campo de cocción con al menos una zona de calentamiento de varios elementos de calentamiento.
CN102396294A (zh) * 2009-04-17 2012-03-28 Bsh博世和西门子家用电器有限公司 具有探测装置的烹饪区及其工作方法
EP2731402A1 (fr) * 2012-11-09 2014-05-14 Electrolux Home Products Corporation N.V. Procédé permettant de commander une plaque de cuisson à induction avec plusieurs bobines d'induction et plaque de cuisson à induction
US9609697B2 (en) 2008-09-30 2017-03-28 BSH Hausgeräte GmbH Cooktop and method for operating a cooktop
US10605464B2 (en) 2012-10-15 2020-03-31 Whirlpool Corporation Induction cooktop
US10893579B2 (en) 2017-07-18 2021-01-12 Whirlpool Corporation Method for operating an induction cooking hob and cooking hob using such method
US10993292B2 (en) 2017-10-23 2021-04-27 Whirlpool Corporation System and method for tuning an induction circuit
US11064574B2 (en) 2013-09-05 2021-07-13 Electrolux Appliances Aktiebolag Induction cooking hob including a cooking area with three or more induction coils and a method for controlling a cooking area
US11140751B2 (en) 2018-04-23 2021-10-05 Whirlpool Corporation System and method for controlling quasi-resonant induction heating devices
US11212880B2 (en) 2012-10-15 2021-12-28 Whirlpool Emea S.P.A. Induction cooking top

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ES2304892B1 (es) * 2007-04-09 2009-06-04 Bsh Electrodomesticos España, S.A. Campo de coccion y procedimiento para el accionamiento de un campo de coccion.
ES2321467B1 (es) * 2007-08-24 2010-03-04 Bsh Electrodomesticos España, S.A. Disposicion de dispositivo de coccion.
ES2331037B1 (es) * 2007-10-25 2010-09-21 Bsh Electrodomesticos España, S.A. Campo de coccion y procedimiento para el accionamiento de un campo de coccion.
ES2335256B1 (es) 2008-01-14 2011-01-17 Bsh Electrodomesticos España, S.A. Campo de cocion por induccion con una pluralidad de cuerpos de calentamiento por induccion.
WO2010101202A1 (fr) * 2009-03-06 2010-09-10 三菱電機株式会社 Dispositif de cuisson par induction
EP3771288B1 (fr) 2009-10-05 2021-12-15 Whirlpool Corporation Procédé de fourniture de puissance à des zones de cuisson par induction d'une plaque de cuisson par induction dotée d'une pluralité de convertisseurs de puissance, et plaque de cuisson par induction utilisant ledit procédé
EP2328384B1 (fr) * 2009-11-27 2017-03-15 Electrolux Home Products Corporation N.V. Plaque de cuisson à induction et procédé de contrôle de plaque de cuisson à induction
ES2388269B1 (es) 2010-03-03 2013-08-23 BSH Electrodomésticos España S.A. Encimera de cocción con al menos una zona de cocción, y procedimiento para accionar una encimera de cocción.
DE112014005036A5 (de) * 2013-11-04 2016-09-08 BSH Hausgeräte GmbH Garvorrichtung mit Heizplatte
WO2016010493A1 (fr) * 2014-07-15 2016-01-21 Arçeli̇k Anoni̇m Şi̇rketi̇ Plaque de cuisson par induction permettant une commande de réglage de puissance améliorée
EP3262895A1 (fr) * 2015-02-26 2018-01-03 Arçelik Anonim Sirketi Appareil de cuisson à induction à rendement de cuisson accru
EP3282815B1 (fr) * 2016-08-08 2019-05-15 Electrolux Appliances Aktiebolag Procédé de commande d'une plaque de cuisson à induction
EP3291642A1 (fr) * 2016-09-02 2018-03-07 Electrolux Appliances Aktiebolag Plaque de cuisson et procédé de commande d'une zone de cuisson
ES2730394T3 (es) * 2016-10-10 2019-11-11 Ego Elektro Geraetebau Gmbh Método para controlar una encimera de cocción de inducción y encimera de cocción de inducción

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EP1206164A2 (fr) * 2000-11-08 2002-05-15 Whirlpool Corporation Dispositif de détermination de l'emplacement d'ustensiles de cuisine sur une plaque de cuisson comprenant une répartition discrète d'éléments chauffants
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Cited By (24)

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Publication number Priority date Publication date Assignee Title
ES2310962B1 (es) * 2006-12-04 2009-10-23 Bsh Electrodomesticos España, S.A. Circuito de dispositivo de calentamiento.
ES2310962A1 (es) * 2006-12-04 2009-01-16 Bsh Electrodomesticos España, S.A. Circuito de dispositivo de calentamiento.
ES2329211A1 (es) * 2007-08-07 2009-11-23 Bsh Electrodomesticos España, S.A. Circuito de dispositivo de coccion.
US9609697B2 (en) 2008-09-30 2017-03-28 BSH Hausgeräte GmbH Cooktop and method for operating a cooktop
ES2356780A1 (es) * 2009-01-20 2011-04-13 Bsh Electrodomesticos España, S.A. Campo de cocción con al menos una zona de calentamiento de varios elementos de calentamiento.
US20110272397A1 (en) * 2009-01-20 2011-11-10 BSH Bosch und Siemens Hausgeräte GmbH Hob having at least one heating zone having several heating elements
US9006621B2 (en) 2009-01-20 2015-04-14 Bsh Bosch Und Siemens Hausgeraete Gmbh Hob with several heating elements with energy efficiency control
CN102396294A (zh) * 2009-04-17 2012-03-28 Bsh博世和西门子家用电器有限公司 具有探测装置的烹饪区及其工作方法
US10009960B2 (en) 2009-04-17 2018-06-26 BSH Hausgeräte GmbH Cooktop having a detection assembly and method for operating a cooktop
US11655984B2 (en) 2012-10-15 2023-05-23 Whirlpool Corporation Induction cooktop
US11212880B2 (en) 2012-10-15 2021-12-28 Whirlpool Emea S.P.A. Induction cooking top
US10605464B2 (en) 2012-10-15 2020-03-31 Whirlpool Corporation Induction cooktop
EP2731402A1 (fr) * 2012-11-09 2014-05-14 Electrolux Home Products Corporation N.V. Procédé permettant de commander une plaque de cuisson à induction avec plusieurs bobines d'induction et plaque de cuisson à induction
AU2013343516B2 (en) * 2012-11-09 2017-04-20 Electrolux Home Products Corporation N. V. A method for controlling an induction cooking hob with a plurality of induction coils and an induction cooking hob
CN104685965B (zh) * 2012-11-09 2016-12-28 伊莱克斯家用产品股份有限公司 用于控制带有多个感应线圈的感应烹饪灶具的方法以及感应烹饪灶具
US10244584B2 (en) 2012-11-09 2019-03-26 Electrolux Home Products Corporation N.V. Method for controlling an induction cooking hob with a plurality of induction coils and an induction cooking hob
US20150245417A1 (en) * 2012-11-09 2015-08-27 Electrolux Home Products Corporation N.V. Method for controlling an induction cooking hob with a plurality of induction coils and an induction cooking hob
CN104685965A (zh) * 2012-11-09 2015-06-03 伊莱克斯家用产品股份有限公司 用于控制带有多个感应线圈的感应烹饪灶具的方法以及感应烹饪灶具
WO2014072401A1 (fr) 2012-11-09 2014-05-15 Electrolux Home Products Corporation N. V. Procédé pour commander une plaque de cuisson à induction avec une pluralité de bobines d'induction et plaque de cuisson à induction
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US11700675B2 (en) 2013-09-05 2023-07-11 Electrolux Appliances Aktiebolag Induction cooking hob including a cooking area with three or more induction coils and a method for controlling a cooking area
US10893579B2 (en) 2017-07-18 2021-01-12 Whirlpool Corporation Method for operating an induction cooking hob and cooking hob using such method
US10993292B2 (en) 2017-10-23 2021-04-27 Whirlpool Corporation System and method for tuning an induction circuit
US11140751B2 (en) 2018-04-23 2021-10-05 Whirlpool Corporation System and method for controlling quasi-resonant induction heating devices

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WO2005069688A3 (fr) 2005-11-24
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