WO2012085821A1 - Dispositif pour appareil ménager - Google Patents

Dispositif pour appareil ménager Download PDF

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Publication number
WO2012085821A1
WO2012085821A1 PCT/IB2011/055782 IB2011055782W WO2012085821A1 WO 2012085821 A1 WO2012085821 A1 WO 2012085821A1 IB 2011055782 W IB2011055782 W IB 2011055782W WO 2012085821 A1 WO2012085821 A1 WO 2012085821A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass unit
coating
appliance device
layer
domestic appliance
Prior art date
Application number
PCT/IB2011/055782
Other languages
German (de)
English (en)
Inventor
Miguel Angel BUÑUEL MAGDALENA
Diego Cuartielles Ruiz
Francisco Javier Ester Sola
Jose-Ramon Garcia Jimenez
Pilar Perez Cabeza
Fernando Planas Layunta
Original Assignee
BSH Bosch und Siemens Hausgeräte GmbH
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 BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Publication of WO2012085821A1 publication Critical patent/WO2012085821A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3618—Coatings of type glass/inorganic compound/other inorganic layers, at least one layer being metallic
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3639—Multilayers containing at least two functional metal layers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3649—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer made of metals other than silver
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • 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

Definitions

  • the invention relates to a household appliance device according to the preamble of claim 1.
  • the object of the invention is in particular to provide a generic device with improved properties in terms of heat radiation shielding and energy conservation.
  • the object is achieved by the features of claim 1, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.
  • the invention relates to a domestic appliance device, in particular a hob device, with a glass unit and with at least one coating, which is arranged on at least a partial region of a rear side of the glass unit.
  • the glass unit is formed as a borosilicate glass unit.
  • a “coating” is to be understood as meaning, in particular, a layer of a material applied to a base material, In particular, the material of the coating differs from the base material, a "partial area” being understood to mean at least one contiguous area. the one bounded by at least one closed line.
  • the "backside” of the glass unit is to be understood as meaning, in particular, a side of the glass unit which differs from one side of the glass unit which is directly accessible to an operator of the household appliance device.
  • Borosilicate glass unit “should be understood in particular a glass unit, which is formed from borosilicate glass.
  • Borosilicate glass preferably has a boron mass fraction of 2 - 5%.
  • borosilicate glass includes 4-8% alkali metal oxides, such as sodium oxide and / or potassium oxide, 2-1% alumina, 0-5% alkaline earth metal oxides, 70-80% silica, and
  • the borosilicate glass unit is particularly preferably used in a hob plate. Further fields of application of borosilicate glass are found in preferably transparent components of household appliances. Household appliance doors, in particular, would also be suitable for such an application.
  • borosilicate glass has a lower transparency for infrared radiation than glass ceramic.
  • the plate heated by a cooking plate on the cooking hob can be reduced in a space below the cooktop radiated heat.
  • the space below the hob plate arranged electronic components can be protected from overheating.
  • the radiated heat, rather than penetrating the glass unit is at least partially absorbed in the glass unit.
  • the resulting heating of the glass unit below the cookware allows a low heat dissipation from the cooking vessel.
  • Borosilicate glass also allows more planar surfaces than glass-ceramic, which in particular a simpler and more thorough cleaning of the top is made possible. Likewise, this allows a precise
  • the borosilicate glass unit is formed from hardened, preferably thermally hardened, borosilicate glass. Under "hardened”
  • Borosilicate glass should be understood in particular borosilicate glass, which was rapidly cooled after heating to a high temperature, in particular a temperature between 550 ° C and 650 ° C, preferably a temperature between 585 ° C and 615 ° C, near the melting point of the glass. In the glass arise by application of this method compressive stresses between 24
  • hardened borosilicate glass differs from annealed borosilicate glass which has a compressive stress greater than 69 MPa and / or an edge stress greater than 67 MPa.
  • a particularly safe, in particular unbreakable construction can be achieved.
  • PVD process a process for physical vapor deposition
  • the PVD process is a magnetron sputtering process, magnetron sputtering produces a plasma whose accelerated particles eject individual atoms and / or atomic assemblies, so-called clusters, from the starting material These ejected atoms and / or clusters can then be deposited on the carrier material,
  • a flexible and simple production process can be ensured by using a PVD process, in particular a high degree of flexibility with regard to a thickness and a material
  • the coating is formed as a multilayer structure.
  • a thickness of the thinnest layer is greater than 10% of a thickness of the thickest layer, depending on a layer thickness and a material of the individual layers.
  • At least one layer of the multilayer structure which is formed from a metallic compound, adjoins at least one other layer of the multilayer structure, which is formed from an insulating compound.
  • layers of metallic compounds and insulating compounds alternate within the multilayer structure.
  • Metallic compound is to be understood in particular a compound having a specific electrical conductivity greater than 10 "8 S / m, advantageously greater than 10 " 4 S / m, particularly advantageously greater than 1 S / m and preferably greater than 100 S /
  • this compound contains at least one of the substances stainless steel, molybdenum, nickel, chromium, niobium, vanadium, titanium,
  • Tantalum, silicon, aluminum, copper and / or an alloy of these substances An "insulating compound” is to be understood as meaning in particular a compound which differs from a metallic compound, preferably this compound comprises at least one of tin oxide, zinc oxide, titanium oxide, aluminum oxide, silicon oxide, niobium oxide, tantalum oxide, silicon nitride, aluminum nitride, titanium nitride
  • 0 to 4 insulating layers and 1 to 3 metallic layers are provided, which in particular affords good flexibility with regard to an achievable effect of the infrared opaqueness and / or coloration In particular, a metallic-looking coloration the coating can be achieved.
  • At least one layer of the multilayer structure has a layer thickness between 2 nm and 200 nm, advantageously between 2 nm and 100 nm and preferably between 2 nm and 50 nm and / or that a thickness of the coating is smaller than 500 nm and preferably less than 300 nm
  • Flexibility can be achieved with regard to an achievable effect of the infrared opacity and / or coloring.
  • a low attenuation of the used induction heating elements and thus an energy saving can be achieved.
  • the invention has at least one display means.
  • a "display means” should be understood as meaning, in particular, a means which is provided for visualization of parameters of the domestic appliance,
  • a position of a cooking zone can be displayed by serigraphy on a front side and / or the rear side of the glass unit
  • a display can be achieved by means of an LED arrangement and / or a laser marking on the rear side, front side and / or inside the glass unit, as well as other display means which appear suitable for the person skilled in the art
  • Glass unit can be achieved a high durability of the display means.
  • the partial area is designed as a décor.
  • a “décor” is understood to mean a subarea whose form serves a visual task, in particular, it can be used to visualize the position of the object
  • Cooking zones are provided. As a result, a high level of comfort can be achieved.
  • a protective coating which covers at least the coating.
  • a protective coating should in particular be understood as meaning a coating which preferably serves to protect the coating by high hardness and / or scratch resistance. Also can through the protective coating an air seal the coating can be achieved, whereby degeneration, in particular oxidation of the materials used can be prevented.
  • the protective coating is designed in particular as a coating, ceramic coating and / or polymer coating. It can be applied by any method which appears suitable to a person skilled in the art in a thickness of preferably 100 ⁇ m to 1000 ⁇ m. As a result, a long shelf life of the coating can be achieved.
  • Fig. 1 is a schematic representation of a domestic appliance in a
  • FIG. 1 shows a domestic appliance with a domestic appliance device, namely a hob with a hob device, in a view from above.
  • the hob device has a glass unit 12 with two coatings 14 and 16, which are arranged on five partial areas 18, 19, 20, 21 and 22 of a rear side 29 of the glass unit 12.
  • the glass unit 12 forms a cooking plate with four cooking zones 23, 24, 25 and 26.
  • garnishes for food preparation are positioned.
  • the back 29 of the glass unit 12 is a bottom of the glass unit 12.
  • Below the hob plate heating elements are arranged in the cooking zones 23, 24, 25 and 26.
  • the heating elements are designed as induction heating elements.
  • the glass unit 12 is formed as a borosilicate glass unit 28.
  • the borosilicate glass unit 28 is formed of hardened borosilicate glass.
  • the coating 14 is arranged on the subregions 18, 19, 21 and 22.
  • the sub-divisions che 18, 19, 21, 22 are formed as decors 70, 72, 74, 76.
  • the partial areas 18, 19, 21, 22 are formed by the surfaces of the cooking zones 23, 24, 25 and 26.
  • the coating 16 is arranged on the subregion 20, which is disjoint with the subregions 18, 19, 21, 22 and has a further four recesses.
  • the coatings 14 and 16 have a different coloration, which serves to visualize the cooking zones 23, 24, 25 and 26. Under the recesses four display means 52, 53, 54 and 55 are arranged.
  • These display means 52, 53, 54, 55 are formed as LEDs, which are provided to display active cooking zones 23, 24, 25 and 26. In alternative embodiments, which are not further described here, a partial area may cover a surface that extends over the entire rear side 29 of the glass unit 12.
  • Coatings 14 and 16 were applied by a PVD method.
  • the PVD method is a magnetron sputtering method.
  • the coatings 14 and 16 are formed as multilayer structures 30 and 32. A section II-II through the cooking plate at an edge of the cooking zone 23 is shown in FIG.
  • the multilayer structures 30 and 32 each consist of 5 layers 38, 34, 39, 35, 40 and 41, 36, 42, 37, 43.
  • the layers 34 and 35 of the multilayer structure 30 are formed from metallic compounds and adjoin layers 38, 39 and 40 of the multilayer structure 30 formed of insulating compounds.
  • the layers 36 and 37 of the multilayer structure 32 are formed of metallic compounds and adjoin layers 41, 42 and 43 of the multilayer structure 32, which are formed of insulating compounds.
  • the first and fifth layers 38 and 40, and 41 and 43 serve primarily to protect the metallic layers 34 and 35, or 36 and 37, from heat-induced oxidation.
  • the layer 38 of the multilayer structure 30 is directly adjacent to the glass unit 12. It consists of 78 nm tin oxide. This is followed by the layer 34 of 18 nm stainless steel. Adjacent to this layer 38 of 78 nm tin oxide. The following layer 35 consists of 26 nm stainless steel. The last layer 40 of the multilayer structure 30 is formed from tin oxide with a layer thickness 44 of 50 nm. This multi-layered structure
  • a layer 41 of the multilayer structure 32 directly adjoins the glass unit 12. It consists of 100 nm tin oxide. This is followed by the layer 36 of 14 nm stainless steel. At this borders the layer 42 of 78 nm tin oxide. The following layer 37 consists of 35 nm stainless steel. The last layer 43 of the multilayer structure 32 is formed from tin oxide with a layer thickness 46 of 50 nm. This multilayer structure 32 leads to a metallic green coloration of the coating 16.
  • a layer sequence of 17 nm tin oxide, 33 nm copper, 66 nm tin oxide, 25 nm stainless steel and 50 nm tin oxide leads to a metallic red coloration.
  • a layer sequence of 29 nm tin oxide, 45 nm aluminum silicide, 41 nm tin oxide, 22 nm stainless steel and 50 nm tin oxide leads to a metallic yellow color.
  • a metallic black color is achieved by a layer sequence of 46 nm tin oxide, 8 nm stainless steel, 56 nm tin oxide, 33 nm stainless steel and 50 nm tin oxide.
  • the coatings 14 and 16 have the same structure.
  • the coatings 14 and 16 thus each have a thickness 48 or 50 which is smaller than 500 nm.
  • a display means 56 designed as a serigraphy is arranged on the rear side 29 of the glass unit 12. This display means 56 is intended to visualize a position of the cooking zone 23.
  • the serigraphy can be supplemented or replaced by further display means 57, 58 formed as a serigraph on the rear side 29 of the glass unit 12 and / or by means of a laser mark indicating means 59, 60, 61 within the glass unit 12 and / or by means of serigraphy and / or laser marking formed display means 62, 63, 64 on the front side, ie the side facing away from the rear side 29 of the glass unit 12.
  • the display means 56 is omitted, the two coatings 14 and 16 directly adjoin one another.
  • the coatings 14 and 16 and the display means 56, 57 and 58 are covered by a protective coating 66.
  • multilayer structure 62 display means 32 multilayer structure 63 display means

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Surface Treatment Of Glass (AREA)
  • Cookers (AREA)

Abstract

L'invention concerne un dispositif pour appareil ménager, en particulier un dispositif pour plaque de cuisson, comprenant une unité de verre (12) et au moins un revêtement (14, 16) qui est disposé sur au moins une région partielle (18, 19, 20, 21, 22) d'une face arrière (29) de l'unité de verre (12). L'invention a pour objet une protection contre le rayonnement thermique et par conséquent une économie d'énergie. A cet effet, l'unité de verre (12) est réalisée comme unité de verre borosilicate (28).
PCT/IB2011/055782 2010-12-23 2011-12-19 Dispositif pour appareil ménager WO2012085821A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201031927A ES2385152A1 (es) 2010-12-23 2010-12-23 Dispositivo de aparato doméstico.
ESP201031927 2010-12-23

Publications (1)

Publication Number Publication Date
WO2012085821A1 true WO2012085821A1 (fr) 2012-06-28

Family

ID=45498053

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2011/055782 WO2012085821A1 (fr) 2010-12-23 2011-12-19 Dispositif pour appareil ménager

Country Status (2)

Country Link
ES (1) ES2385152A1 (fr)
WO (1) WO2012085821A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2717651A1 (fr) * 2012-10-03 2014-04-09 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'appareil ménager
EP3382284A1 (fr) * 2017-03-30 2018-10-03 BSH Hausgeräte GmbH Dispositif formant appareil électroménager et procédé de fabrication d'un dispositif formant appareil électroménager
US10315276B2 (en) * 2014-12-12 2019-06-11 Schott Ag Method for producing a glass ceramic element with patterned coating

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001072087A1 (fr) * 2000-03-23 2001-09-27 Schott Glas Plaque de cuisson
DE102006017250A1 (de) * 2006-04-12 2007-10-18 BSH Bosch und Siemens Hausgeräte GmbH Platteneinheit
WO2008157148A1 (fr) * 2007-06-13 2008-12-24 Ppg Industries Ohio, Inc. Couche transparente pour appareil
CN201314593Y (zh) * 2008-10-14 2009-09-23 昆山永新玻璃制品有限公司 平底微波炉
JP2010159171A (ja) * 2009-01-06 2010-07-22 Nippon Electric Glass Co Ltd 調理器用トッププレート
WO2011020719A1 (fr) * 2009-08-17 2011-02-24 BSH Bosch und Siemens Hausgeräte GmbH Plaque de couverture d'appareil ménager comportant une plaque support au moins semi-transparente, appareil ménager destiné à la préparation d'aliments et procédé de fabrication d'une plaque de couverture d'appareil ménager

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2079119A (en) * 1980-06-17 1982-01-13 Bfg Glassgroup Vitreous cooking hob
US7208703B2 (en) * 2002-05-16 2007-04-24 Nippon Electric Glass Co., Ltd. Cooking top plate
JP2009139055A (ja) * 2007-12-10 2009-06-25 Nippon Electric Glass Co Ltd 調理器用トッププレート

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001072087A1 (fr) * 2000-03-23 2001-09-27 Schott Glas Plaque de cuisson
DE10014373C2 (de) 2000-03-23 2003-12-11 Schott Glas Kochfeld
DE102006017250A1 (de) * 2006-04-12 2007-10-18 BSH Bosch und Siemens Hausgeräte GmbH Platteneinheit
WO2008157148A1 (fr) * 2007-06-13 2008-12-24 Ppg Industries Ohio, Inc. Couche transparente pour appareil
CN201314593Y (zh) * 2008-10-14 2009-09-23 昆山永新玻璃制品有限公司 平底微波炉
JP2010159171A (ja) * 2009-01-06 2010-07-22 Nippon Electric Glass Co Ltd 調理器用トッププレート
WO2011020719A1 (fr) * 2009-08-17 2011-02-24 BSH Bosch und Siemens Hausgeräte GmbH Plaque de couverture d'appareil ménager comportant une plaque support au moins semi-transparente, appareil ménager destiné à la préparation d'aliments et procédé de fabrication d'une plaque de couverture d'appareil ménager

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2717651A1 (fr) * 2012-10-03 2014-04-09 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'appareil ménager
US10194493B2 (en) 2012-10-03 2019-01-29 BSH Hausgeräte GmbH Household appliance apparatus
US10315276B2 (en) * 2014-12-12 2019-06-11 Schott Ag Method for producing a glass ceramic element with patterned coating
EP3382284A1 (fr) * 2017-03-30 2018-10-03 BSH Hausgeräte GmbH Dispositif formant appareil électroménager et procédé de fabrication d'un dispositif formant appareil électroménager

Also Published As

Publication number Publication date
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