BRPI0605541A - device and method for controlling a heating element of a glass ceramic cooking plate - Google Patents

device and method for controlling a heating element of a glass ceramic cooking plate

Info

Publication number
BRPI0605541A
BRPI0605541A BRPI0605541-9A BRPI0605541A BRPI0605541A BR PI0605541 A BRPI0605541 A BR PI0605541A BR PI0605541 A BRPI0605541 A BR PI0605541A BR PI0605541 A BRPI0605541 A BR PI0605541A
Authority
BR
Brazil
Prior art keywords
cooking plate
heating element
glass ceramic
resistance
tracks
Prior art date
Application number
BRPI0605541-9A
Other languages
Portuguese (pt)
Inventor
Marcio Tibirica
Cesario Junior Zimmermann
Davide Gerola
Davide Parachini
Cristiano Pastore
Original Assignee
Whirlpool Sa
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 Sa filed Critical Whirlpool Sa
Priority to BRPI0605541-9A priority Critical patent/BRPI0605541A/en
Priority to PCT/BR2007/000324 priority patent/WO2008064446A1/en
Publication of BRPI0605541A publication Critical patent/BRPI0605541A/en

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
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
    • G05D23/1928—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperature of one space
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Control Of Resistance Heating (AREA)
  • Electric Stoves And Ranges (AREA)

Abstract

DISPOSITIVO E MéTODO PARA CONTROLAR UM ELEMENTO AQUECEDOR DE UMA PLACA DE COCçãO VITROCERáMICA De acordo com a presente invenção, são providos um dispositivo e um método para controlar um elemento aquecedor (20) de uma placa de cocção (10) vitrocerâmica tendo pelo menos duas trilhas (38,40) de metal condutivo, para alcançar uma temperatura selecionada, para determinar, automaticamente, a resistência da placa de cocção (10) vitrocerâmica entre as trilhas, ou a resistência entre dois pontos espaçados entre si por um comprimento conhecido de uma das trilhas, dependendo do valor da temperatura selecionada ao aplicar uma tensão (54) em CC nas duas trilhas, quando se desejar determinar a resistência da placa de cocção (10) vitrocerâmica e, para apenas um das trilhas (38,40), no caso de determinar a resistência da trilha. A temperatura da placa de cocção (10) é computada a partir do valor da resistência determinada e comparada com a temperatura selecionada, para ligar/desligar o elemento aquecedor (20), de forma a alcançar a temperatura selecionada.DEVICE AND METHOD FOR CONTROLING A HEATING ELEMENT OF A VITROCEROMIC COOKING BOARD In accordance with the present invention, there is provided a device and method for controlling a heating element (20) of a glass ceramic cooking plate (10) having at least two tracks. (38,40) of conductive metal, to achieve a selected temperature, to automatically determine the resistance of the glass ceramic cooking plate (10) between the tracks, or the resistance between two points spaced apart by a known length of one of the depending on the temperature value selected when applying a DC voltage (54) on both tracks, when the resistance of the glass ceramic cooking plate (10) is to be determined and, for only one of the tracks (38,40), determine track resistance. The temperature of the cooking plate (10) is computed from the value of the determined resistance and compared with the selected temperature to turn on / off the heating element (20) in order to reach the selected temperature.

BRPI0605541-9A 2006-12-01 2006-12-01 device and method for controlling a heating element of a glass ceramic cooking plate BRPI0605541A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BRPI0605541-9A BRPI0605541A (en) 2006-12-01 2006-12-01 device and method for controlling a heating element of a glass ceramic cooking plate
PCT/BR2007/000324 WO2008064446A1 (en) 2006-12-01 2007-11-23 Device and method for controlling a heating element of a glass-ceramic cooktop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0605541-9A BRPI0605541A (en) 2006-12-01 2006-12-01 device and method for controlling a heating element of a glass ceramic cooking plate

Publications (1)

Publication Number Publication Date
BRPI0605541A true BRPI0605541A (en) 2008-07-15

Family

ID=39047946

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0605541-9A BRPI0605541A (en) 2006-12-01 2006-12-01 device and method for controlling a heating element of a glass ceramic cooking plate

Country Status (2)

Country Link
BR (1) BRPI0605541A (en)
WO (1) WO2008064446A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2399732B1 (en) * 2010-12-13 2014-02-05 BSH Electrodomésticos España S.A. Home Appliance Device
EP2659325B1 (en) * 2010-12-29 2018-08-29 BSH Hausgeräte GmbH Domestic appliance apparatus
CN113207198B (en) * 2020-11-09 2022-10-14 上海航天精密机械研究所 Test piece-level quartz lamp heater heat flow uniformity enhancing device and design method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4022845A1 (en) * 1990-07-18 1992-01-23 Schott Glaswerke TEMPERATURE SENSOR OR SENSOR ARRANGEMENT MADE OF GLASS CERAMIC AND CONTACTING FILM RESISTORS
EP0786923A3 (en) * 1996-01-26 1998-01-07 AEG Hausgeräte GmbH Switching system for the overtemperature protection of a glass ceramic plate of a cooktop
DE10023179C2 (en) * 2000-05-11 2002-07-18 Schott Glas Device and its use Control of cooktops with glass ceramic cooktops

Also Published As

Publication number Publication date
WO2008064446A1 (en) 2008-06-05
WO2008064446A8 (en) 2008-08-14

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Legal Events

Date Code Title Description
B03A Publication of an application: publication of a patent application or of a certificate of addition of invention
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE A 5A ANUIDADE.

B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2160 DE 29/05/2012.