EP1833281B1 - Champ de cuisson doté d'une surface de cuisson vitrocéramique - Google Patents

Champ de cuisson doté d'une surface de cuisson vitrocéramique Download PDF

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Publication number
EP1833281B1
EP1833281B1 EP07102142A EP07102142A EP1833281B1 EP 1833281 B1 EP1833281 B1 EP 1833281B1 EP 07102142 A EP07102142 A EP 07102142A EP 07102142 A EP07102142 A EP 07102142A EP 1833281 B1 EP1833281 B1 EP 1833281B1
Authority
EP
European Patent Office
Prior art keywords
glass ceramic
ceramic plate
type
coating
chosen
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.)
Not-in-force
Application number
EP07102142A
Other languages
German (de)
English (en)
Other versions
EP1833281A2 (fr
EP1833281A3 (fr
Inventor
Martin Taplan
Ioannis Kosmas
Wolfgang Schmidbauer
Torsten Gabelmann
Sascha Backes
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.)
Schott AG
Original Assignee
Schott AG
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 Schott AG filed Critical Schott AG
Publication of EP1833281A2 publication Critical patent/EP1833281A2/fr
Publication of EP1833281A3 publication Critical patent/EP1833281A3/fr
Application granted granted Critical
Publication of EP1833281B1 publication Critical patent/EP1833281B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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
    • H05B2213/07—Heating plates with temperature control means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24926—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including ceramic, glass, porcelain or quartz layer

Definitions

  • heaters for these hobs are mainly used electric radiant heaters.
  • the energy transfer from the heat source through the glass ceramic through to the pot bottom takes place by thermal radiation.
  • the resistance wire of the radiant heater heats up to a temperature of about 1300 K.
  • a certain part of the emitted radiation goes from the heating coil directly through the glass ceramic to the bottom of the pot or, if the pot is not placed, into the vicinity of the hotplate.
  • the remaining part of the radiation is absorbed in the glass ceramic and heats the glass ceramic plate in the cooking area accordingly.
  • Halogen radiators work after the Same principle as the conventional radiant heaters, but in this case, the heating coil is wrapped in a quartz tube with inert gas. This protective gas prevents contact of the heating coil with oxygen. This makes it possible to operate the heating coil up to approx. 2400 K.
  • the underside of the glass ceramic cooking surface with lenses or prisms in such a way that the passing of the heating coil directly through the glass ceramic primary radiation remains focused more in the cooking zone and thus the increase in temperature of the Anstellbine is reduced.
  • the focusing of the primary radiation should be done by a complex configuration of the glass ceramic underside.
  • a kind described parallel prismatic structure which can act in the form, of course, only in one direction. Either to the back wall or to the side wall, but not in both directions alike.
  • a cooking surface made of glass ceramic in which a coating consists of an upper-side layer of an enamel color.
  • the adaptation is achieved in a surprisingly simple manner by selecting a gas-ceramic plate of the type A, in which the coating is applied over the entire surface or in structured grids.
  • the coating of the top side or the bottom side can take place in the form of the known coating techniques.
  • the screen printing process has become standard practice.
  • a screen printing coating is possible. In principle, however, spraying, sputtering or the like are conceivable.
  • An essential advantage of the screen printing technique is the simple application of special decorative scorches, cooking zone markings or defined occupancy levels to achieve specific transmission values.
  • the Fig. 2 shows in a diagram accordingly Fig. 1 the emission curve of a halogen heater with a radiator temperature of 2400 K, at which the maximum radiation is about 1200 nm. Since the surfaces cut from the emission curve of the transmission curves of glass ceramic type 1 and 2 different from those when using the band heater after Fig. 1 are, is also to be expected with a different proportion of primary radiation.
  • a slightly modified screening or occupancy density compared to the band heater to choose to achieve 100% interchangeability.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Electric Stoves And Ranges (AREA)
  • Surface Treatment Of Glass (AREA)

Claims (10)

  1. Procédé d'équipement d'un champ de cuisson avec des plaques en vitrocéramique avec différents degrés de transmission de spectre infra-rouge comme surface de cuisson, qui présentent au moins une zone de cuisson, qui est chauffée par-dessous au moyen d'un corps chauffant rayonnant en liaison avec un limiteur de température ajusté, qui limite la température de face supérieure des plaques en vitrocéramique à une valeur maximale, caractérisé en ce que la plaque en vitrocéramique (type A) avec le plus haut degré de transmission de spectre infra-rouge est sélectionnée en vue de l'équipement, laquelle présente à des fins d'adaptation à une vitrocéramique (type B) avec un plus petit degré de transmission de spectre infra-rouge des configurations absorbant ou réfléchissant les infra-rouges tout en conservant le réglage de valeur limite de température ajusté du corps chauffant rayonnant employé.
  2. Procédé selon la revendication 1, caractérisé en ce qu'une plaque en vitrocéramique du type A est sélectionnée, sur laquelle le revêtement est appliqué sur toute la surface.
  3. Procédé selon la revendication 1, caractérisé en ce qu'une plaque en vitrocéramique du type A est sélectionnée, sur laquelle le revêtement est appliqué en tramages structurés.
  4. Procédé selon une des revendications 1 à 3, caractérisé en ce qu'une plaque en vitrocéramique du type A est sélectionnée, sur laquelle le revêtement est appliqué sur la face supérieure et/ou sur la face inférieure de la plaque en vitrocéramique.
  5. Procédé selon une des revendications 1 à 4, caractérisé en ce qu'une plaque en vitrocéramique du type A est sélectionnée, sur laquelle le revêtement est appliqué par sérigraphie.
  6. Procédé selon une des revendications 1 à 5, caractérisé en ce qu'une plaque en vitrocéramique du type A est sélectionnée, sur laquelle le revêtement est constitué d'une couche de face supérieure constituée d'une couleur d'émail.
  7. Procédé selon une des revendications 1 à 5, caractérisé en ce qu'une plaque en vitrocéramique du type A est sélectionnée, sur laquelle le revêtement est constitué d'une couche de face inférieure constituée d'une couleur de lustre avec des fractions d'or et/ou de platine et/ou de palladium.
  8. Procédé selon une des revendications 1 à 5, caractérisé en ce qu'une plaque en vitrocéramique de type A est sélectionnée, sur laquelle le revêtement est constitué d'un revêtement de face inférieure de SnO2.
  9. Procédé selon la revendication 8, caractérisé en ce qu'une plaque en vitrocéramique du type A est sélectionnée, sur laquelle le revêtement de SnO2 possède une épaisseur prédéfinie, entraînant l'adaptation au degré de transmission d'infra-rouges.
  10. Procédé selon la revendication 1, caractérisé en ce qu'une plaque en vitrocéramique de type A est sélectionnée, dans laquelle la plaque en vitrocéramique présente au moins un revêtement rugueux de face inférieure réfléchissant les infra-rouges.
EP07102142A 2006-03-11 2007-02-12 Champ de cuisson doté d'une surface de cuisson vitrocéramique Not-in-force EP1833281B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006011315A DE102006011315B4 (de) 2006-03-11 2006-03-11 Verfahren zur Bestückung eines Kochfeldes mit Glaskeramikplatten

Publications (3)

Publication Number Publication Date
EP1833281A2 EP1833281A2 (fr) 2007-09-12
EP1833281A3 EP1833281A3 (fr) 2008-07-16
EP1833281B1 true EP1833281B1 (fr) 2012-10-10

Family

ID=38006419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07102142A Not-in-force EP1833281B1 (fr) 2006-03-11 2007-02-12 Champ de cuisson doté d'une surface de cuisson vitrocéramique

Country Status (3)

Country Link
US (2) US20070221654A1 (fr)
EP (1) EP1833281B1 (fr)
DE (1) DE102006011315B4 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018131459A1 (de) * 2018-12-07 2020-06-10 Schott Ag Platte umfassend ein Glas- oder Glaskeramiksubstrat sowie eine Beschichtung sowie deren Verwendung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2437026C3 (de) * 1974-08-01 1978-06-08 Jenaer Glaswerk Schott & Gen., 6500 Mainz Kochfläche aus Glaskeramik
DE2506931C3 (de) * 1975-02-19 1980-11-06 Karl 7519 Oberderdingen Fischer Aus Glaskeramik bestehende Herdplatte
DE3316548C2 (de) * 1983-03-25 1985-01-17 Flachglas AG, 8510 Fürth Verfahren zur Beschichtung eines transparenten Substrates
US5270517A (en) * 1986-12-29 1993-12-14 Ppg Industries, Inc. Method for fabricating an electrically heatable coated transparency
FR2657079B1 (fr) * 1990-01-12 1993-04-09 Corning France Verres precurseurs de vitroceramiques, procede de conversion de ces verres en vitroceramiques a dilation tres faible ou nulle et vitroceramiques obtenues.
US5994674A (en) * 1993-04-13 1999-11-30 Gda Applied Energy Limited Hob
GB2335834B (en) * 1998-03-26 2002-10-23 Ceramaspeed Ltd Radiant electric heater
DE20019210U1 (de) * 2000-11-11 2001-01-25 Schott Glas Kochfeld
DE20106167U1 (de) * 2001-04-07 2001-06-21 Schott Glas Kochfeld mit einer Glaskeramikplatte als Kochfläche
AU2003235268A1 (en) * 2002-05-16 2003-12-02 Nippon Electric Glass Co., Ltd. Cooking top plate
DE102004002766B4 (de) * 2004-01-20 2008-10-16 Schott Ag Glaskeramikplatte mit mindestens einem mattierten Bereich und Verfahren zum Herstellen einer solchen Glaskeramikplatte
DE102004023847B4 (de) * 2004-05-13 2013-12-05 BSH Bosch und Siemens Hausgeräte GmbH Kochfläche mit einer Glaskeramikplatte

Also Published As

Publication number Publication date
EP1833281A2 (fr) 2007-09-12
EP1833281A3 (fr) 2008-07-16
US8097837B2 (en) 2012-01-17
US20080237222A1 (en) 2008-10-02
US20070221654A1 (en) 2007-09-27
DE102006011315B4 (de) 2008-06-12
DE102006011315A1 (de) 2007-09-13

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