EP2217036B1 - Plaque de travail de cuisine dotée d'un champ de cuisson à induction - Google Patents

Plaque de travail de cuisine dotée d'un champ de cuisson à induction Download PDF

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Publication number
EP2217036B1
EP2217036B1 EP10152083.1A EP10152083A EP2217036B1 EP 2217036 B1 EP2217036 B1 EP 2217036B1 EP 10152083 A EP10152083 A EP 10152083A EP 2217036 B1 EP2217036 B1 EP 2217036B1
Authority
EP
European Patent Office
Prior art keywords
glass sheet
kitchen countertop
kitchen
cooktop
glass
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.)
Active
Application number
EP10152083.1A
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German (de)
English (en)
Other versions
EP2217036B2 (fr
EP2217036A1 (fr
Inventor
Michael Wollgram
Bernd Schultz
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.)
Saint Gobain Glass France SAS
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain 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
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Application filed by Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Publication of EP2217036A1 publication Critical patent/EP2217036A1/fr
Publication of EP2217036B1 publication Critical patent/EP2217036B1/fr
Application granted granted Critical
Publication of EP2217036B2 publication Critical patent/EP2217036B2/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
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them

Definitions

  • the invention comprises a kitchen worktop with inductively heated hob, a process for their preparation and use.
  • Induction hobs are becoming increasingly popular due to their good heating performance and many safety benefits.
  • heat is generated in ferromagnetic materials using an alternating magnetic field. It allows the pots and pans to heat up quickly while ensuring that the remaining part of the hob is not heated. If the heating process is completed, the hob has only the residual heat that is returned by the cooking appliances as reheating.
  • the induction cooker uses a larger amount of energy to create heat in the pot and not on the hotplate.
  • the induction hob also offers advantages in terms of safety. An on-board hotplate will only heat if there is a suitable cookware made of ferromagnetic metal on it.
  • the induction hob is usually inserted into a recess in the kitchen worktop.
  • this process reduces the planarity of the worktop and creates new joints, which complicate a hygienic cleaning of the worktop.
  • the joints are difficult to seal, so that water can get under the worktop. This ingress of water can damage the material of the worktop or attached equipment.
  • moisture in cracks or gaps is an ideal breeding ground for mold, which is a problem that should not be underestimated when processing and preparing food.
  • completely planar worktops in kitchens are also in great demand for aesthetic reasons.
  • DE 196 12 621 C2 discloses a hob with a cooking surface made of glass or glass ceramic.
  • the hob has at least one cooking zone and a Function zone with controls on.
  • the functional zone is embedded in a recess of the cooking surface via a hard, temperature and expansion-resistant material.
  • U1 discloses a worktop, in particular kitchen countertop, counter top or counter top.
  • the worktop is made of glass.
  • the countertop contains scratch-resistant and dirt-repellent coatings.
  • WO 98/31198 A1 discloses an induction hob with a non-metallic cooking plate.
  • the circuit arrangement allows the automatic activation of the induction field for heating when a pot is placed on the hob.
  • the voltage can be regulated variably depending on the pot size.
  • EP 1 514 852 A1 discloses a transparent protective layer, in particular a scratch-resistant layer for glass.
  • the protective layer consists at least of a crystalline metal oxide layer which has at least one intermediate layer of an amorphous temperature-stable mixed oxide.
  • EP 1 867 613 A1 and DE 10 2011 002556 A1 describe ceramic hobs with ceramic colors on the bottom.
  • EP 0 716 270 A1 and JP H01 314511 A describe ceramic hobs with scratch-resistant coating.
  • WO 2005/092810 A2 and US 5 450 305 A describe hobs made of tempered glasses.
  • the object of the invention is to provide a worktop with integrated induction cooktop and scratch-resistant coating which has no recesses, joints, depressions, elevations, edges and / or other irregularities on the cooktop.
  • the worktop should be planar on the entire surface and have a uniform appearance as possible.
  • the kitchen worktop with induction hob comprises at least one glass pane with a length of more than 100 cm and a width of more than 40 cm.
  • the thickness of the glass pane can be selected by a person skilled in the art within the scope of the application; thicknesses of between 3 mm and 30 mm, more preferably 5 mm to 10 mm, are preferred.
  • the inner surface (A i ) delimited by the cooktop markings is less than 70%, preferably less than 50% of the total area (A G ) of the glass pane.
  • the inner surface (A i ) results from the area resulting from the outer border of the cooktop marking. It corresponds to the minimum area in which all individual hobs are included. In this case, depending on the number of individual cooktops and their arrangement to each other and polygonal or rounded inner surfaces (A i ) possible.
  • the part of the glass pane surface not occupied by the inner surface (A i ) can be used as a work or storage surface on the kitchen worktop according to the invention.
  • an induction cooktop is attached under the cooktop markings on the back of the glass pane.
  • the induction hob is aligned so that suitable, parked on the cooktop markers, pots are heated.
  • the pots must contain a ferromagnetic material.
  • the areas of the glass pane adjacent to the pot are only slightly heated by the pot itself, but not by the induction field.
  • the glass pane preferably has a length of greater than 150 cm, preferably greater than 200 cm.
  • the size ranges of the glass pane length are preferably 150 cm to 400 cm, particularly preferably 200 cm to 300 cm.
  • the inner surface (A i ) is preferably less than 50%, more preferably less than 30%, most preferably less than 20% of the total area (A G ) of the glass sheet. At the same time, more than 70% of the glass pane can be used as work and storage space.
  • the glass pane has a ceramic color and / or a pressure on the underside. This causes the underlying glass parts such as the induction hob are not visible. In principle, various ceramic colors are possible, but they must be so far temperature resistant that they resist the heat emitted by the pot when the induction field is turned on. Examples of ceramic paints are emulsion paints containing inorganic pigments such as TiO 2 , Fe 2 O 3 , and Cr 2 O 3 and / or mixtures thereof.
  • the ceramic paint preferably comprises a ceramic screen printing ink.
  • the glass pane includes tempered safety glass. In addition to single-pane safety glass, multi-pane or laminated safety glass is also possible.
  • the inserted intermediate layers must, however, withstand the temperature fluctuations arising in the area of the hob mark.
  • IR-reflecting intermediate layers particularly preferably silver-containing intermediate layers.
  • the glass pane preferably contains recesses, particularly preferably recesses for fittings, sink, Spülfeld and / or sink. This makes it possible to integrate corresponding wet fittings into the kitchen worktop according to the invention.
  • a corresponding sink is preferably mounted below the kitchen worktop according to the invention, so that the planar nature of the work surface is not impaired.
  • the glass pane has a scratch-resistant coating on the surface, preferably containing metal oxides such as Al 2 O 3 , SiO 2 , ZrO 2 , SnO 2 , Y 2 O 3 , Si 3 N 4 and / or Mixtures thereof.
  • the layer thickness is preferably 100 nm to 25,000 nm, particularly preferably 1000 nm to 5000 nm.
  • This scratch-resistant coating prevents damage to the surface of the kitchen worktop according to the invention. In particular, the placement of kitchen appliances or cutting food on the countertop can easily scratch the work surface and disturb the visual appearance. The heating power of the cooking surfaces is not affected.
  • the glass sheet preferably has on the back, i. on and / or side of the side with the attached induction hob, a lighting, particularly preferably LEDs or OLEDs on. These can illuminate the work surface from below and / or from the side as a light source.
  • the glass pane preferably has a dirt-repellent, particularly preferably hydrophobic coating.
  • a dirt-repellent particularly preferably hydrophobic coating.
  • This increases the contact angle of polar liquids such as water on the surface of the discs and thus reduces the wetting of the surface. The liquid drains faster and cleans the surface.
  • the formation of limescale is made more difficult.
  • Corresponding coatings may contain hydrophobic silanes, such as alkylalcohol or alkylchlorosilanes, for example octyltrimethoxysilane.
  • TiO 2 particles can be applied to the surface. These decompose catalytically under the influence of light organic dirt particles on the disk surface. Examples of such coatings are also disclosed in the patent applications EP 0 850 204 A1 and EP 0 927 144 A1 disclosed. Also possible are hydrophobic and / or lipophobic coatings, for example fluorinated organic silanes.
  • the invention further includes a method for producing the kitchen worktop according to the invention.
  • a glass sheet is provided. This is preferably cleaned and abraded the edges of the disc.
  • the hob marks are placed on the prepared disc. This can be done by scratching or by printing heat-resistant ceramic colors. Another option is engraving with the help of a suitable laser.
  • an induction hob is placed under the hob mark of the pane.
  • the term "attached” includes both a direct attachment to the disc, for example by suitable adhesive, as well as the non-fixed positioning under the disc. The distance can be determined by the effective radius of the induction hob.
  • the method preferably includes applying a scratch-resistant coating to the glass sheet.
  • the scratch-resistant coating is more preferably applied to the glass top, i. applied on the side facing away from the induction hob.
  • the method preferably includes applying a hydrophobic, stain-resistant coating to the glass sheet.
  • the hydrophobic, soil-repellent coating is more preferably applied to the glass top, i. applied on the side facing away from the induction hob.
  • the method preferably includes applying a scratch-resistant coating to the glass sheet and then applying a hydrophobic, stain-resistant coating. This results in the layer structure glass pane, scratch-resistant coating and hydrophobic, dirt-repellent coating as a topcoat.
  • the coating is particularly preferred on the glass top, i. on the side facing away from the induction hob, applied.
  • the invention further includes the use of the kitchen worktop in a fitted kitchen and / or kitchenette.
  • the kitchen worktop according to the invention can be used in a kitchenette and be provided for example with appropriate base cabinets. Also a freestanding version only with appropriate legs is possible.
  • the table legs can be made of glass, so that the entire kitchen can be made entirely of glass except for the induction hob.
  • FIGS. 1 to 3 explained.
  • the figures are purely schematic representations and are not to scale. They limit the invention in any way.
  • FIG. 1 shows a schematic plan view of the kitchen worktop.
  • the cooktop markings (2) indicate the inner surface (A i ). This inner surface (A i ) results as a minimum area in which all individual cooktops (2 a, 2 b, 2 c, 2 d to 2 n) are included.
  • the area not occupied by the inner surface (A i ) can be used as a work and storage area in the kitchen worktop according to the invention.
  • FIG. 2 shows a schematic cross section of the kitchen worktop according to the invention.
  • the induction hob (3) is mounted under the hob mark (2) on the glass sheet (1).
  • a firm connection between glass pane (1) and induction hob (3) is not absolutely necessary.
  • the induction hob (3) must rather be arranged so close that the radius of action of the magnetic induction field allows heating of the cookware.
  • FIG. 3 shows a schematic view of the inventive use of the kitchen worktop (5) in a kitchenette.
  • the kitchen worktop (5) according to the invention can be used in a kitchenette and, for example be provided with appropriate base cabinets (4).
  • the control elements for the induction hob (3) (In FIG. 3 not shown) can be mounted both as a touchfield on the glass pane (1) and on the outer lining.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Surface Treatment Of Glass (AREA)

Claims (12)

  1. Plaque pour plan de travail de cuisine avec un champ de cuisson à induction, comportant au moins
    a) une plaque de verre (1) ayant une longueur (L) supérieure à 100 cm et une largeur (B) supérieure à 40 cm ;
    b) des marquages de champ de cuisson (2) appliqués sur la plaque de verre, avec une surface interne (Ai) limitée par les marquages de champ de cuisson inférieure à 70 % de la surface totale (AG) de la plaque de verre (1),
    caractérisée par
    c) un champ de cuisson à induction (3) appliqué au-dessous des marquages de champ de cuisson (2) et au-dessous de la plaque pour plan de travail de cuisine, et la plaque de verre (1) présente une peinture céramique sur le côté inférieur,
    d) la plaque de verre (1) présente un revêtement résistant aux rayures sur la surface ; et
    e) la plaque de verre (1) consiste en un verre de sécurité monocouche.
  2. Plaque pour plan de travail de cuisine selon la revendication 1, dans laquelle la plaque de verre (1) présente une longueur (L) supérieure à 150 cm.
  3. Plaque pour plan de travail de cuisine selon l'une des revendications 1 ou 2, dans laquelle la surface interne (Ai) est inférieure à 30 %, de préférence inférieure à 20 % de la surface totale (AG) de la plaque de verre.
  4. Plaque pour plan de travail de cuisine selon la revendication 1, dans laquelle la peinture céramique comporte une peinture d'impression sérigraphique céramique.
  5. Plaque pour plan de travail de cuisine selon l'une des revendications 1 à 4, dans laquelle la plaque de verre (1) contient des évidements pour robinetterie, évier, zone de lavage de vaisselle et/ou bac d'évier.
  6. Plaque pour plan de travail de cuisine selon l'une des revendications 1 à 5, dans laquelle le revêtement résistant aux rayures contient des oxydes métalliques tels qu'Al2O3, SiO2, ZrO2, SnO2, Y2O3 et/ou les mélanges de ceux-ci.
  7. Plaque pour plan de travail de cuisine selon l'une des revendications 1 à 6, dans laquelle le revêtement résistant aux rayures présente une épaisseur de couche de 100 nm à 25 000 nm, de façon particulièrement préférée de 1000 nm à 5000 nm.
  8. Plaque pour plan de travail de cuisine selon l'une des revendications 1 à 7, dans laquelle la plaque de verre (1) présente, sur le côté inférieur et/ou sur le côté, un éclairage, de préférence des LED ou des OLED.
  9. Plaque pour plan de travail de cuisine selon l'une des revendications 1 à 8, dans laquelle le plaque de verre (1) présente un revêtement résistant aux taches, de préférence hydrophobe.
  10. Procédé de fabrication d'une plaque pour plan de travail de cuisine selon l'une des revendications 1 à 9 comportant :
    a.) se procurer une plaque de verre (1) ;
    b.) appliquer des marquages de champ de cuisson (2) ; et
    c.) monter un champ de cuisson à induction (3) sous le marquage de champ de cuisson.
  11. Procédé selon la revendication 10, dans lequel un revêtement résistant aux rayures et/ou un revêtement hydrophobe est appliqué sur la plaque de verre (1).
  12. Utilisation de la plaque pour plan de travail de cuisine selon l'une des revendications 1 à 9 dans une cuisine intégrée, un bloc-cuisine, un bloc-cuisine de café, de bar et/ou de restaurant.
EP10152083.1A 2009-02-04 2010-01-29 Plaque de travail de cuisine dotée d'un champ de cuisson à induction Active EP2217036B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009007363A DE102009007363A1 (de) 2009-02-04 2009-02-04 Küchenarbeitsplatte mit Induktionskochfeld

Publications (3)

Publication Number Publication Date
EP2217036A1 EP2217036A1 (fr) 2010-08-11
EP2217036B1 true EP2217036B1 (fr) 2017-07-19
EP2217036B2 EP2217036B2 (fr) 2021-01-13

Family

ID=42123058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10152083.1A Active EP2217036B2 (fr) 2009-02-04 2010-01-29 Plaque de travail de cuisine dotée d'un champ de cuisson à induction

Country Status (2)

Country Link
EP (1) EP2217036B2 (fr)
DE (2) DE102009007363A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3117150B1 (fr) * 2014-03-10 2023-11-15 Eurokera S.N.C. Equipement mobilier ou menager comprenant un plan de travail de grande taille en materiau verrier

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Publication number Priority date Publication date Assignee Title
DE102011000278A1 (de) * 2011-01-21 2012-07-26 DESIGNquadrat GbR (vertretungsberechtigte Gesellschafter Alexander Christ, 50679 Köln, Guido Endert, 42799 Leichlingen, Horst Wergen, 42105 Wuppertal) Induktionsherd
DE202011109214U1 (de) 2011-12-16 2012-01-25 Vetro Küche + Glas KG Küchenarbeitsplatte
DE102013200372A1 (de) * 2013-01-14 2014-07-17 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld, Küchenarbeitsplatte mit einem integrierten Kochfeld und Küchenzeile
FR3018170B1 (fr) * 2014-03-10 2017-01-27 Eurokera Plan de travail en vitroceramique
FR3040769B1 (fr) * 2015-09-08 2018-07-27 Eurokera Plan de travail en vitroceramique
FR3040610B1 (fr) * 2015-09-08 2018-05-25 Eurokera S.N.C. Plan de travail en vitroceramique
FR3040770B1 (fr) * 2015-09-08 2018-07-27 Eurokera S.N.C. Plan de travail en vitroceramique
FR3040766B1 (fr) 2015-09-08 2018-07-27 Eurokera S.N.C. Plan de travail en vitroceramique
FR3040608B1 (fr) * 2015-09-08 2018-05-25 Eurokera S.N.C. Plan de travail en vitroceramique
FR3040611B1 (fr) * 2015-09-08 2018-05-25 Eurokera S.N.C. Plan de travail en vitroceramique
FR3040768B1 (fr) * 2015-09-08 2018-07-27 Eurokera S.N.C. Plan de travail en vitroceramique
FR3040609B1 (fr) * 2015-09-08 2018-05-25 Eurokera S.N.C. Plan de travail en vitroceramique
FR3040699A1 (fr) * 2015-09-08 2017-03-10 Eurokera Surface de mobilier en vitroceramique
FR3040767B1 (fr) * 2015-09-08 2018-07-27 Eurokera Plan de travail en vitroceramique
DE102017123771A1 (de) * 2017-10-12 2019-04-18 Miele & Cie. Kg Kochfeldsystem
WO2020148382A1 (fr) * 2019-01-16 2020-07-23 Carsten Petersen Plateau avec module de chauffage par induction

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DE2306037A1 (de) 1973-02-08 1974-08-15 Environment One Corp Elektrischer kuechenherd
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DE2306037A1 (de) 1973-02-08 1974-08-15 Environment One Corp Elektrischer kuechenherd
GB2079119A (en) 1980-06-17 1982-01-13 Bfg Glassgroup Vitreous cooking hob
JPH01314511A (ja) * 1988-06-16 1989-12-19 Yamaha Corp 耐擦傷性に優れたカウンター
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EP0716270A1 (fr) * 1994-11-04 1996-06-12 Bosch-Siemens HausgerÀ¤te GmbH Plaque de cuisson au vitrocérame
DE19721737C1 (de) 1997-05-24 1998-11-12 Schott Glas Blei- und cadmiumfreie Glaszusammensetzung zum Glasieren, Emaillieren und Dekorieren von Gläsern oder Glaskeramiken sowie Verfahren zur Herstellung einer damit beschichteten Glaskeramik
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EP1264806A1 (fr) * 2001-05-07 2002-12-11 Schott Glas Panneau en verre ou en vitrocéramique et sa méthode de fabrication
WO2003008355A1 (fr) 2001-07-10 2003-01-30 Schott Glas Corps plat dote d'une protection augmentant sa resistance
WO2003050055A1 (fr) 2001-12-11 2003-06-19 Eurokera Plaques de vitroceramique, plans de cuisson comportant lesdites plaques et procedes de fabrication desdites plaques
DE10243500A1 (de) * 2002-09-19 2004-04-01 Schott Glas Glas-/Glaskeramik-Kochfläche
DE10314070A1 (de) 2003-03-28 2004-10-21 Schott Glas Mit einem Kratzschutz versehener flächiger Körper
DE10342398A1 (de) 2003-09-13 2005-04-14 Schott Ag Schutzschicht für einen Körper sowie Verfahren und Anordnung zur Herstellung von Schutzschichten
WO2005092810A2 (fr) 2004-03-26 2005-10-06 Eurokera Plaques en vitroceramique et en verre, plaques chauffantes et preparation
JP2006230517A (ja) 2005-02-23 2006-09-07 Cleanup Corp システムキッチン
DE102005055035A1 (de) 2005-11-16 2007-05-24 Schott Ag Hartstoffbeschichteter Glas-Artikel und Verfahren zu dessen Herstellung
EP1867613A1 (fr) * 2006-06-16 2007-12-19 Schott AG Champ de cuisson doté d'une plaque vitrocéramique comme surface de cuisson
DE102007033338A1 (de) 2007-07-16 2009-01-22 Schott Ag Hartstoffbeschichteter Glas- oder Glaskeramik-Artikel und Verfahren zu dessen Herstellung
WO2010091525A1 (fr) 2009-02-10 2010-08-19 Vetrotech Saint-Gobain (International) Ag Composite à fonctions de protection multiples

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"Pyrex", WIKIPEDIA, 14 March 2018 (2018-03-14), XP055490835, Retrieved from the Internet <URL:https://en.wikipedia.org/wiki/Pyrex>
"Specification for Thermally toughened glass panels for use in domestic appliances", BRITISH STANDARD , BS 3193:1993, 1993, XP055490829
ERNST: "Wörterbuch der industriellen Technik - Deutsch/Englisch, 8. Auflage", 2015, article "Einscheibensicherheitsglas", pages: 237, XP055490818
PFAENDER: "Schott Glaslexikon", 1980, pages: 67, XP055490824

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EP3117150B1 (fr) * 2014-03-10 2023-11-15 Eurokera S.N.C. Equipement mobilier ou menager comprenant un plan de travail de grande taille en materiau verrier

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