EP2217036B2 - 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
EP2217036B2
EP2217036B2 EP10152083.1A EP10152083A EP2217036B2 EP 2217036 B2 EP2217036 B2 EP 2217036B2 EP 10152083 A EP10152083 A EP 10152083A EP 2217036 B2 EP2217036 B2 EP 2217036B2
Authority
EP
European Patent Office
Prior art keywords
glass sheet
kitchen
cooktop
glass
hob
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
Other languages
German (de)
English (en)
Other versions
EP2217036A1 (fr
EP2217036B1 (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
Application granted granted Critical
Publication of EP2217036B1 publication Critical patent/EP2217036B1/fr
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 an inductively heated hob, a method for its production and use.
  • Induction hobs are becoming more and more popular due to their good heating performance and many safety advantages.
  • heat is generated in ferromagnetic materials with the help of an alternating magnetic field. It enables the pots and pans to heat up quickly and at the same time ensures that the rest of the hob is not heated.
  • the hob only has the residual heat that is given off by the cooking appliances as reheating.
  • an induction cooker uses a larger part of the energy to generate heat in the pot and not on the hotplate.
  • the induction hob also offers advantages in terms of safety.
  • 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 make hygienic cleaning of the worktop more difficult.
  • 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 the connected devices.
  • Moisture in crevices or joints is also an ideal breeding ground for mold, which is a problem that should not be underestimated when processing and preparing food.
  • completely planar worktops are in great demand in kitchens, also for aesthetic reasons.
  • DE 196 12 621 C2 discloses a hob with a hob made of glass or glass ceramic.
  • the hob has at least one cooking zone and one functional zone with operating elements.
  • the functional zone is embedded in a recess in the cooking surface using a hard, temperature and expansion-resistant material.
  • U1 discloses a worktop, in particular a kitchen worktop, counter top or counter cladding.
  • the worktop is made of glass.
  • the worktop contains scratch-resistant and dirt-repellent coatings.
  • WO 98/31198 A1 discloses an induction hob with a non-metallic hotplate.
  • the circuit arrangement enables the induction field to be switched on automatically 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 of at least one crystalline metal oxide layer which has at least one intermediate layer made of an amorphous, temperature-stable mixed oxide.
  • EP 1264 806 A1 , DE 102 43 500 A1 , EP 1 867 613 A1 and DE 10 2011 002556 A1 describe glass ceramic hobs with ceramic colors on the underside.
  • EP 0 716 270 A1 and JP H01 314511 A describe glass ceramic hobs with a scratch-resistant coating.
  • WO 2005/092810 A2 and U.S. 5,450,305 A describe hobs made of hardened glass.
  • the object of the invention is to provide a worktop with an integrated induction hob and scratch-resistant coating that does not have any recesses, joints, depressions, elevations, edges and / or other unevenness on the hob.
  • the worktop should be planar over the entire surface and have as uniform an appearance as possible.
  • the kitchen worktop with induction hob comprises at least one pane of glass 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 the person skilled in the art in the context of the application; thicknesses between 3 mm and 30 mm are preferred, particularly preferably 5 mm to 10 mm.
  • the inner area (A i ) delimited by the hob markings is less than 70%, preferably less than 50% of the total area (A G ) of the glass pane.
  • the inner area (A i ) results from the area resulting from the outer border of the hob marking. It corresponds to the minimum area in which all individual hobs are included. It depends on the number of each Hobs and their arrangement in relation to one another also have 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 surface or storage surface on the kitchen worktop according to the invention.
  • An induction hob is attached under the hob markings on the back of the glass pane.
  • the induction hob is aligned so that suitable pots placed on the hob markings 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 area (A i ) is preferably less than 50%, particularly preferably less than 30%, particularly preferably less than 20% of the total area (A G ) of the glass pane. This means that more than 70% of the glass pane can be used as work and storage space at the same time.
  • the underside of the glass pane has a ceramic color and / or a print. This means that the parts underneath the glass, such as the induction hob, are not visible. In principle, different ceramic colors are possible, but these must be temperature-resistant to the point that they can withstand the heat given off by the pot when the induction field is switched 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 ink preferably comprises a ceramic screen printing ink.
  • the glass pane includes toughened 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 that arise in the area of the hob marking.
  • Optical and functional effects can be integrated with reflective or colored intermediate layers.
  • Examples of functional coatings are IR-reflecting intermediate layers, particularly preferably silver-containing intermediate layers.
  • the glass pane preferably contains cutouts, particularly preferably cutouts for fittings, sink, sink area and / or sink. It is thus possible to integrate appropriate wet fittings in 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 character 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 25000 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, placing kitchen appliances or cutting food on the worktop can easily scratch the work surface and disrupt the visual appearance. This does not affect the heating capacity of the cooking surfaces.
  • the glass pane preferably has lighting, particularly preferably LEDs or OLEDs, on the rear, i.e. on and / or to the side of the side with the attached induction hob. As a light source, these can illuminate the work surface from below and / or from the side.
  • the glass pane has a dirt-repellent, hydrophobic coating. This increases the contact angle of polar liquids such as water on the surface of the panes and thus reduces the wetting of the surface. The liquid drains off faster and cleans the surface. In addition, the formation of limescale is made more difficult.
  • Corresponding coatings can contain hydrophobic silanes such as alkyl alcohol silanes or alkyl chlorosilanes, for example octyltrimethoxysilane.
  • TiO 2 particles can be applied to the surface. When exposed to light, these catalytically decompose organic dirt particles on the pane surface.
  • Coatings with a hydrophobic and / or lipophobic effect for example fluorinated organic silanes, are also possible.
  • the invention also includes a method for producing the kitchen worktop according to the invention.
  • a pane of glass is provided. This is preferably cleaned and the edges of the disc sanded.
  • the hob markings are applied to the prepared pane. This can be done by scratching or printing heat-resistant ceramic paints. Another option is engraving using a suitable laser.
  • an induction hob is attached under the hob marking on the disc.
  • the term "attached” includes both a direct attachment to the pane, for example by means of suitable adhesive, and the non-fixed positioning under the pane. The distance can be determined by the effective radius of the induction hob.
  • the process involves applying a scratch-resistant coating to the glass pane.
  • the scratch-resistant coating is applied to the top of the glass, ie on the induction hob applied away from the side.
  • the process involves applying a hydrophobic, dirt-repellent coating to the glass pane.
  • the hydrophobic, dirt-repellent coating is applied to the top of the glass, i.e. on the side facing away from the induction hob.
  • the process involves applying a scratch-resistant coating to the glass pane and then applying a hydrophobic, dirt-repellent coating. This results in the layer structure of the glass pane, scratch-resistant coating and hydrophobic, dirt-repellent coating as the top layer.
  • the coating is applied to the top of the glass, i.e. on the side facing away from the induction hob.
  • the invention also 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 kitchen unit and, for example, be provided with corresponding base cabinets.
  • a free-standing version with only suitable table legs is also possible.
  • the table legs can also be made of glass, so that the entire kitchen unit, except for the induction hob, can consist entirely of glass.
  • Figure 1 shows a schematic top view of the kitchen worktop.
  • the dimensions of the glass pane (1) result from the length of the pane (L) and the width (B) of the pane.
  • the hob markings (2) indicate the inner surface (A i ).
  • This inner area (A i ) results as the minimum area in which all the individual hobs (2a, 2b, 2c, 2d to 2n) are contained.
  • the area not occupied by the inner area (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 attached to the glass pane (1) below the hob marking (2).
  • a fixed connection between the glass pane (1) and the induction hob (3) is not absolutely necessary.
  • the induction hob (3) must be arranged so close that the effective radius of the magnetic induction field allows the cookware to be heated.
  • FIG 3 shows a schematic view of the inventive use of the kitchen worktop (5) in a kitchen unit.
  • the kitchen worktop (5) according to the invention can be used in a kitchen unit and, for example, can be provided with corresponding base units (4).
  • the control elements for the induction hob (3) (In Figure 3 not shown) can be attached both as a touch field on the glass pane (1) and on the outer cladding.

Landscapes

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

Claims (8)

  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,
    dans laquelle le plaque de verre (1) presente un revêtement resistant aux taches et hydrophobe sur le revêtement résistant aux rayures comme couche supérieure.
  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 ceramique.
  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 10 revendications 1 à 5, dans laquelle la plaque de verre (1) presente, sur le côté inférieur et/ou sur côté, un éclairage, de préférence des LED ou des OLED.
  7. Procédé de fabrication d'une plaque pour plan de travail de cuisine selon l'une des revendications 1 à 6 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, dans lequel un revêtement résistant aux rayures est appliqué sur la plaque de verre (1) et ensuite un revêtement résistant aux taches et hydrophobe est appliqué sur le revêtement résistant aux rayures comme couche supérieure.
  8. Utilisation de la plaque pour plan de travail de cuisine selon l'une des revendications 1 à 6 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 EP2217036B1 (fr) 2017-07-19
EP2217036B2 true 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)

Families Citing this family (17)

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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
DE102013200372B4 (de) * 2013-01-14 2024-11-07 BSH Hausgeräte GmbH Kochfeld, Küchenarbeitsplatte mit einem integrierten Kochfeld
FR3018170B1 (fr) * 2014-03-10 2017-01-27 Eurokera Plan de travail en vitroceramique
FR3018171B1 (fr) * 2014-03-10 2017-01-27 Eurokera Plan de travail en vitroceramique
FR3040768B1 (fr) * 2015-09-08 2018-07-27 Eurokera S.N.C. Plan de travail en vitroceramique
FR3040699A1 (fr) * 2015-09-08 2017-03-10 Eurokera Surface de mobilier en vitroceramique
FR3040608B1 (fr) * 2015-09-08 2018-05-25 Eurokera S.N.C. Plan de travail en vitroceramique
FR3040769B1 (fr) * 2015-09-08 2018-07-27 Eurokera Plan de travail en vitroceramique
FR3040767B1 (fr) * 2015-09-08 2018-07-27 Eurokera Plan de travail en vitroceramique
FR3040770B1 (fr) 2015-09-08 2018-07-27 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
FR3040609B1 (fr) * 2015-09-08 2018-05-25 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
FR3040610B1 (fr) * 2015-09-08 2018-05-25 Eurokera S.N.C. 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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Patent Citations (1)

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US20020084263A1 (en) † 2000-11-11 2002-07-04 Dietmar Wennemann Cooking unit with a glass-ceramic or glass panel made of transparent colorless material and provided with an IR permeable solid colored underside coating

Also Published As

Publication number Publication date
DE202010018464U1 (de) 2016-11-25
EP2217036A1 (fr) 2010-08-11
EP2217036B1 (fr) 2017-07-19
DE102009007363A1 (de) 2010-08-12

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