EP1303168A1 - Kochmulde mit diskreten verteilten Heizelementen - Google Patents

Kochmulde mit diskreten verteilten Heizelementen Download PDF

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Publication number
EP1303168A1
EP1303168A1 EP01124211A EP01124211A EP1303168A1 EP 1303168 A1 EP1303168 A1 EP 1303168A1 EP 01124211 A EP01124211 A EP 01124211A EP 01124211 A EP01124211 A EP 01124211A EP 1303168 A1 EP1303168 A1 EP 1303168A1
Authority
EP
European Patent Office
Prior art keywords
heating elements
cooking
cooking hob
hob
power
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
EP01124211A
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English (en)
French (fr)
Other versions
EP1303168B1 (de
Inventor
Davide Gerola
Cristiano Pastore
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.)
Whirlpool Corp
Original Assignee
Whirlpool Corp
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 Whirlpool Corp filed Critical Whirlpool Corp
Priority to ES01124211.2T priority Critical patent/ES2567796T3/es
Priority to EP01124211.2A priority patent/EP1303168B1/de
Publication of EP1303168A1 publication Critical patent/EP1303168A1/de
Application granted granted Critical
Publication of EP1303168B1 publication Critical patent/EP1303168B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
    • H05B3/746—Protection, e.g. overheat cutoff, hot plate indicator
    • 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 present invention relates to a cooking hob comprising a plurality of electrically powered heating elements (for example resistors or halogen lamps) distributed below a heat-resistant surface (for example of glass ceramic) on which a utensil is placed for the heat treatment (for example, cooking, heating or thawing) of a food contained therein, the heating elements being disposed in matrix arrangement, in accordance with the introduction to the accompanying claim 1.
  • electrically powered heating elements for example resistors or halogen lamps
  • a heat-resistant surface for example of glass ceramic
  • High versatility cooking hobs are known on which the user can locate several cooking utensils, even of different contour, in any desired regions and activate only those heating elements present in each of said regions; each corresponds at least approximately to the contour of the utensil itself.
  • the heating elements are disposed in a matrix configuration.
  • the first of the two said prior patents comprises a series of cooking regions and sensors which, associated with these regions, activate those covered by the cooking utensil.
  • the purpose of this known solution is to avoid the use of switches or other user-operated control means.
  • the heating elements are also disposed in matrix formation and are each associated with thermal load monitoring means, which cut off the power if the load is absent.
  • the matrix arrangement of the heating elements provided therein has however the drawback of not enabling "zero" level (open circuit) to be obtained for other heating elements not required by the cooking utensil.
  • the objects of the present invention are to provide a cooking hob comprising a plurality of matrix-arranged electrical heating elements which not only provides versatility but also offers the necessary protection from overtemperature and achieves power cut-off to those heating elements not required by the cooking utensil or utensils.
  • the reference numeral 1 indicates overall a cooking hob comprising a conventional glass ceramic plate 2 on which cooking utensils of any form, indicated by 3 and 4, are rested in any regions of the plate 2.
  • a heating element 5a, b, c etc. for example resistors disposed spirally to cover overall the maximum useful area of the plate 2.
  • the heating element can be considered a "thermal cell", each cell being controllable substantially independent of the others or also in combination with other specific cells concerned, where these lie below one and the same cooking utensil; groups of cells can also be independently controlled where each group is dedicated to a different specific cooking utensil on the basis of its contour.
  • the heating elements 5 are supported by an underplate 6 of electrically and thermally insulating material, bounded by a thermally insulating surrounding side wall 6A which together with the underplate 6 and plate 2 defines a compartment for containing the plurality of heating elements.
  • the ends of the heating elements 5 are connected in this example to conductive pins 7 which pass through and project from the underplate 6.
  • the pins 7 (see Figures 3 and 4 in particular) are intended to be engaged by conductive spring clips 10 rigid with printed circuit boards PCB supported via conventional columns 8 by a tray for example of sheet metal 9 forming part of the structure of the cooking hob 1.
  • these printed circuit boards comprise conductive tracks, static switches 16, 17 (for example triacs, mosfets, SCRs) and diodes.
  • the underlying compartment 11 holds the electronic control circuit 12 for the static switches and possibly the static switches themselves.
  • the tray 9 can contain a tangential fan 13 for cooling the static switches and diodes, and the underlying compartment can contain a bridge rectifier with non-filtered output (indicated by 14 in Figure 5) if the heating elements are to be powered from a half-wave supply of equal polarity.
  • the fan can also be located at another "cold" point and the cooling air be fed through a conduit.
  • the electronic control circuit 12 is connected to a touch screen 14A connected to a small CCD video camera 15A framing the cooking hob.
  • the cooking hob appears on the screen 14A together with the cooking utensils positioned thereon, for example the two indicated by 3 and 4, the reproductions of which on the screen are identified by 3' and 4'.
  • the user rests his finger on the reproductions 3' and 4' to hence select the heating elements 5 lying under the cooking utensils.
  • the cooking power, cooking time and those parameters usually involved in conventional cooking hobs are selected by again resting the finger on the underlying part of the screen.
  • the heating elements 5 form a matrix arrangement (see Figures 5, 6, 7, 8), a diode 15 being connected in series with each heating element 5.
  • the resistance elements are selected and controlled by the static switches 16A1, 16A2, 16A3, ... and 17A1, 17A2, 17A3 ... 17An which are controlled by the control circuit 12 in the manner described hereinafter, such as to operate those heating elements 5 required by the cooking utensils (for example 3, 4), with the power chosen by the user.
  • the cooking utensil "covers" the four heating elements 5a, b, h and i.
  • the user touches the utensil image on the touch screen to select those heating elements and touches the touch screen to insert the desired power and start the heating process.
  • the static switches 16A1, 16A2, 17A1 and 17A2 operate, controlled by the electronic control circuit.
  • Figure 6 shows a resistor and diode matrix of different configuration. It corresponds functionally to that of Figure 5 so that the same reference numerals are used in Figure 6 for equal or corresponding parts.
  • the matrix configuration of Figure 6 has the advantage of allowing the diodes 15 and static switches 16A and 17A to be located to the side of the cooking hob (the left limit of which is identified in the figure by the dashed straight line x-x), hence in that "cold" region well known for example in cooking hobs with lateral controls.
  • the diodes 15 are disposed in the reverse direction, as are the signs of the rectifier output.
  • the matrixes of Figures 7 and 8 correspond respectively to those of Figures 5 and 6.
  • the same reference numerals with apostrophes are used to indicate equal or corresponding parts.
  • the matrixes are however intended to be powered by an alternating current source 14', this requiring the diodes 15' to be arranged alternately from one heating element to the next.
  • the static switches 16' and 17' can be SCRs or MOSFETs instead of TRIACs.
  • the heating elements are controlled in the following manner.
  • the heating elements 5a, b, c etc. are dimensioned to dissipate a power much greater than the value generally used in conventional cooking hobs, which is about 7 Watt/cm 2 (at least twice, but preferably from 4 to 8 times, and even more preferably greater than or equal to 15 Watt/cm 2 ). This means that the heating elements 5b, b Vietnamese must be connected by static switches 16, 17 to the line voltage in pulsed mode to prevent them and the overlying glass ceramic plate 2 from undergoing damage.
  • Control can be by the full-wave method (in which the static switches 16, 17 relative to the rows and columns of the matrix are activated when the feed voltage crosses zero).
  • thermal power of the heating element (5a, b, c.7) is greater than the maximum allowable mean power enables the power to be distributed between several cooking utensils and avoid activating those regions of the cooking hob not covered by the cooking utensil, as will be clear from the following description given by way of example with reference to Figures 9A-9M and 10A-10M, where Figures 9A-9M relate to a solution for pure comparison purposes whereas Figures 10A-10M relate to a solution in accordance with an aspect of the invention.
  • the power level for the region A is equal to 80% of the maximum allowable mean power, and that of the region B is equal to 40% of said power.
  • Instantaneous power twice maximum allowable mean power (hereinafter defined, where necessary for the purpose of descriptive clarity, as uprated power).
  • the figures of region A have to receive 80% of the maximum allowable mean power with only 4 half-waves of the uprated power, whereas for region B 40% of the maximum allowable mean power is required and hence each underlying heating element must be powered with only two half-waves of the uprated power.
  • the powering method distributes the half-waves in each time interval T 1 ...T 10 ( Figures 10B-10M) within the control period T such as to: achieve the desired power level; minimize the difference between the number of resistance elements powered in each of the component time intervals T t of the control period T to reduce flicker (in the example the difference between these powered resistance elements never exceeds 1); prevent that, during each time interval (T 1 , T 2 , T 3 - T n ), line and column combinations are activated which power resistance elements not required by the cooking utensil.
  • each of the matrixes relative to the times T 1 to T 10 is such that resistance elements not covered by the cooking utensil are not activated.
  • this is expressed by the fact that each of these matrixes (T 1 -T 10 ), known as time matrixes, must necessarily be of unitary rank.
  • the time matrix represents in a given time interval the energy state (on-off) of the heating element elements.
  • the rank of a matrix is the number of rows/columns which are linearly independent, i.e. which cannot be obtained by a linear combination of the other rows/columns.
  • the heating elements are positioned along the same column, indicating that the matrix is of rank 1; the matrix for example of Figures 10B and 10C is also of rank 1 as the heating elements are repeated identically in the adjacent column.
  • the time matrix has been chosen as 10 elements only for simplification purposes.
  • the time base will in fact be chosen equal to the number of energy levels for the ratio of galvanic power to the maximum allowable mean power (with 10 energy levels of regulation, the time matrix will preferably be of 40 elements).
  • Figure 11 shows the voltage variation with time across three resistance elements for example; these three resistance elements are those indicated by Z 1 , Z 2 and Z 3 in Figures 10B-10M.
  • the ten matrixes T 1 -T 10 form overall a matrix D(i.j.t) the values of which are 0 (resistance element inactive) or 1 (resistance element active).
  • the indexes i and j relate to the rows and columns and t to the time interval considered.
  • the time matrix has been chosen as 10 elements only for simplification purposes.
  • the time base will in fact be chosen equal to the number of energy levels for the ratio of galvanic power to the maximum allowable mean power (with 10 energy levels of regulation, the time matrix will preferably be of 40 elements).
  • the cooking hob is provided with a total absorbed current sensor (for example a Hall sensor) at the mains supply, which on sensing a dangerous current intensity totally deactivates the cooking hob, either directly or indirectly (by comparison with the value provided by a control algorithm).
  • a total absorbed current sensor for example a Hall sensor

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Electric Stoves And Ranges (AREA)
  • Control Of Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)
EP01124211.2A 2001-10-12 2001-10-12 Kochmulde mit diskreten verteilten Heizelementen Expired - Lifetime EP1303168B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES01124211.2T ES2567796T3 (es) 2001-10-12 2001-10-12 Placa de cocina con elementos de calentamiento discretos distribuidos
EP01124211.2A EP1303168B1 (de) 2001-10-12 2001-10-12 Kochmulde mit diskreten verteilten Heizelementen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01124211.2A EP1303168B1 (de) 2001-10-12 2001-10-12 Kochmulde mit diskreten verteilten Heizelementen

Publications (2)

Publication Number Publication Date
EP1303168A1 true EP1303168A1 (de) 2003-04-16
EP1303168B1 EP1303168B1 (de) 2016-03-16

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EP01124211.2A Expired - Lifetime EP1303168B1 (de) 2001-10-12 2001-10-12 Kochmulde mit diskreten verteilten Heizelementen

Country Status (2)

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EP (1) EP1303168B1 (de)
ES (1) ES2567796T3 (de)

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1505854A1 (de) * 2003-08-04 2005-02-09 Whirpool Corporation Kochfeld mit Benutzerschnittstelle und beliebiger Positionierung
EP1517089A1 (de) * 2003-09-18 2005-03-23 E.G.O. ELEKTRO-GERÄTEBAU GmbH Bedienvorrichtung und Bedienverfahren für ein elektrisches Haushaltsgerät
EP1517091A2 (de) 2003-09-09 2005-03-23 Samsung Electronics Co., Ltd. Elektroherd und Methode zu dessen Regelung
WO2005069688A2 (de) * 2004-01-14 2005-07-28 E.G.O. Elektro-Gerätebau GmbH Ansteuerungsverfahren für heizelemente und vorrichtung sowie kochfeld
EP1505350A3 (de) * 2003-08-06 2006-05-03 E.G.O. ELEKTRO-GERÄTEBAU GmbH Verfahren und Vorrichtung zur Bedienung eines Kochsystems
EP1931177A1 (de) * 2006-12-04 2008-06-11 BSH Bosch und Siemens Hausgeräte GmbH Heizvorrichtungsschaltung
WO2008122495A1 (de) * 2007-04-09 2008-10-16 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld und verfahren zum betreiben eines kochfelds
WO2009053279A1 (de) * 2007-10-25 2009-04-30 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld und verfahren zum betreiben eines kochfelds
WO2010037675A1 (de) * 2008-09-30 2010-04-08 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld und verfahren zum betreiben eines kochfelds
ES2340900A1 (es) * 2008-04-30 2010-06-10 Bsh Electrodomestiscos España, S.A. Campo de coccion con varios elementos de calentamiento y una unidad de mando.
EP2203028A1 (de) * 2008-12-26 2010-06-30 Omron Co., Ltd. Verdrahtungsstruktur, Heizgerätantriebsvorrichtung, Messvorrichtung und Steuerungssystem
EP2365728A1 (de) * 2010-03-11 2011-09-14 Omron Corporation Temperatursteuerungssystem und Temperatursteuerungsverfahren
WO2013033340A1 (en) * 2011-08-30 2013-03-07 Watlow Electric Manufacturing Company Thermal array system
WO2014015886A1 (en) * 2012-07-26 2014-01-30 Hewlett-Packard Development Company, L.P. Electrical resistor heating
EP2731402A1 (de) * 2012-11-09 2014-05-14 Electrolux Home Products Corporation N.V. Verfahren zur Steuerung eines Induktionskochfelds mit einer Vielzahl von Induktionsspulen und ein Induktionskochfeld
US9006621B2 (en) 2009-01-20 2015-04-14 Bsh Bosch Und Siemens Hausgeraete Gmbh Hob with several heating elements with energy efficiency control
EP2551600B1 (de) 2011-07-26 2015-09-02 Groupe Brandt Kochfeld und Verfahren zur Steuerung, wenn das Kochfeld in Betrieb ist
EP2688365B1 (de) 2012-07-20 2016-03-16 BSH Hausgeräte GmbH Kochfeldvorrichtung
AU2015203200B2 (en) * 2011-08-30 2016-06-02 Watlow Electric Manufacturing Company Thermal array system
EP2543232B1 (de) 2010-03-03 2016-07-27 BSH Hausgeräte GmbH Kochfeld mit zumindest einer kochzone sowie verfahren zum betreiben eines kochfelds
US9518946B2 (en) 2013-12-04 2016-12-13 Watlow Electric Manufacturing Company Thermographic inspection system
AU2015203198B2 (en) * 2011-08-30 2017-03-09 Watlow Electric Manufacturing Company Thermal array system
WO2018116053A1 (de) * 2016-12-19 2018-06-28 BSH Hausgeräte GmbH Haushaltsgerätevorrichtung
WO2018116050A1 (de) * 2016-12-19 2018-06-28 BSH Hausgeräte GmbH Haushaltsgerätevorrichtung
EP3422815A1 (de) * 2017-06-29 2019-01-02 E.G.O. ELEKTRO-GERÄTEBAU GmbH Induktionskochvorrichtung und verfahren zur ansteuerung einer induktionskochvorrichtung
EP3562267A1 (de) * 2018-04-23 2019-10-30 Whirlpool Corporation Steuerschaltungen und verfahren für verteilte induktionsheizvorrichtungen
WO2020078734A1 (de) 2018-10-15 2020-04-23 Robert Bosch Gmbh Verfahren zum herstellen einer getriebeschnecke, die insbesondere auf einer ankerwelle angeordnet ist, sowie eine solche getriebeschnecke
DE102019202602A1 (de) * 2019-02-26 2020-08-27 E.G.O. Elektro-Gerätebau GmbH Elektrische Heizeinrichtung für ein Kochfeld und Kochfeld
US10761041B2 (en) 2017-11-21 2020-09-01 Watlow Electric Manufacturing Company Multi-parallel sensor array system

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
US10605464B2 (en) 2012-10-15 2020-03-31 Whirlpool Corporation Induction cooktop
ITTO20120896A1 (it) 2012-10-15 2014-04-16 Indesit Co Spa Piano cottura a induzione
EP3432682A1 (de) 2017-07-18 2019-01-23 Whirlpool Corporation Verfahren zum betreiben eines induktionskochfelds und kochfeld mit diesem verfahren
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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DE4007680A1 (de) * 1990-03-10 1991-09-19 Grass Ag Heizplatte
US5243171A (en) * 1988-11-25 1993-09-07 Nasram Investments Limited Food service system utilizing reflected infrared signals to identify type of dish
WO1997019298A1 (en) * 1995-11-21 1997-05-29 Aktiebolaget Electrolux A cooking surface with controls

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US5243171A (en) * 1988-11-25 1993-09-07 Nasram Investments Limited Food service system utilizing reflected infrared signals to identify type of dish
DE4007680A1 (de) * 1990-03-10 1991-09-19 Grass Ag Heizplatte
WO1997019298A1 (en) * 1995-11-21 1997-05-29 Aktiebolaget Electrolux A cooking surface with controls

Cited By (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1505854A1 (de) * 2003-08-04 2005-02-09 Whirpool Corporation Kochfeld mit Benutzerschnittstelle und beliebiger Positionierung
EP1505350A3 (de) * 2003-08-06 2006-05-03 E.G.O. ELEKTRO-GERÄTEBAU GmbH Verfahren und Vorrichtung zur Bedienung eines Kochsystems
EP1517091A3 (de) * 2003-09-09 2008-08-27 Samsung Electronics Co., Ltd. Elektroherd und Methode zu dessen Regelung
EP1517091A2 (de) 2003-09-09 2005-03-23 Samsung Electronics Co., Ltd. Elektroherd und Methode zu dessen Regelung
JP2005172415A (ja) * 2003-09-18 2005-06-30 Ego Elektro Geraete Blanc & Fischer 家庭用電気器具の操作装置並びに操作方法
US7238929B2 (en) 2003-09-18 2007-07-03 E.G.O Elektro-Geraetebau Gmbh Operating device and operating method for an electric domestic appliance
EP1517089A1 (de) * 2003-09-18 2005-03-23 E.G.O. ELEKTRO-GERÄTEBAU GmbH Bedienvorrichtung und Bedienverfahren für ein elektrisches Haushaltsgerät
WO2005069688A2 (de) * 2004-01-14 2005-07-28 E.G.O. Elektro-Gerätebau GmbH Ansteuerungsverfahren für heizelemente und vorrichtung sowie kochfeld
WO2005069688A3 (de) * 2004-01-14 2005-11-24 Ego Elektro Geraetebau Gmbh Ansteuerungsverfahren für heizelemente und vorrichtung sowie kochfeld
DE102004003126B4 (de) * 2004-01-14 2012-02-23 E.G.O. Elektro-Gerätebau GmbH Ansteuerungsverfahren für Heizelemente und Vorrichtung
EP1931177A1 (de) * 2006-12-04 2008-06-11 BSH Bosch und Siemens Hausgeräte GmbH Heizvorrichtungsschaltung
ES2310962A1 (es) * 2006-12-04 2009-01-16 Bsh Electrodomesticos España, S.A. Circuito de dispositivo de calentamiento.
ES2310962B1 (es) * 2006-12-04 2009-10-23 Bsh Electrodomesticos España, S.A. Circuito de dispositivo de calentamiento.
WO2008122495A1 (de) * 2007-04-09 2008-10-16 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld und verfahren zum betreiben eines kochfelds
WO2009053279A1 (de) * 2007-10-25 2009-04-30 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld und verfahren zum betreiben eines kochfelds
ES2340900A1 (es) * 2008-04-30 2010-06-10 Bsh Electrodomestiscos España, S.A. Campo de coccion con varios elementos de calentamiento y una unidad de mando.
CN102172100A (zh) * 2008-09-30 2011-08-31 Bsh博施及西门子家用器具有限公司 灶和灶的操作方法
WO2010037675A1 (de) * 2008-09-30 2010-04-08 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld und verfahren zum betreiben eines kochfelds
US9609697B2 (en) 2008-09-30 2017-03-28 BSH Hausgeräte GmbH Cooktop and method for operating a cooktop
CN102172100B (zh) * 2008-09-30 2013-10-30 Bsh博施及西门子家用器具有限公司 灶和灶的操作方法
EP2203028A1 (de) * 2008-12-26 2010-06-30 Omron Co., Ltd. Verdrahtungsstruktur, Heizgerätantriebsvorrichtung, Messvorrichtung und Steuerungssystem
US9006621B2 (en) 2009-01-20 2015-04-14 Bsh Bosch Und Siemens Hausgeraete Gmbh Hob with several heating elements with energy efficiency control
EP2543232B1 (de) 2010-03-03 2016-07-27 BSH Hausgeräte GmbH Kochfeld mit zumindest einer kochzone sowie verfahren zum betreiben eines kochfelds
EP2365728A1 (de) * 2010-03-11 2011-09-14 Omron Corporation Temperatursteuerungssystem und Temperatursteuerungsverfahren
CN102193569A (zh) * 2010-03-11 2011-09-21 欧姆龙株式会社 温度控制系统
EP2551600B1 (de) 2011-07-26 2015-09-02 Groupe Brandt Kochfeld und Verfahren zur Steuerung, wenn das Kochfeld in Betrieb ist
US9123755B2 (en) 2011-08-30 2015-09-01 Watlow Electric Manufacturing Company System and method for controlling a thermal array
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JP2014525662A (ja) * 2011-08-30 2014-09-29 ワトロウ エレクトリック マニュファクチュアリング カンパニー サーマルアレイシステム
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