ES1066972U - Electric radiant heater - Google Patents
Electric radiant heater Download PDFInfo
- Publication number
- ES1066972U ES1066972U ES200702652U ES200702652U ES1066972U ES 1066972 U ES1066972 U ES 1066972U ES 200702652 U ES200702652 U ES 200702652U ES 200702652 U ES200702652 U ES 200702652U ES 1066972 U ES1066972 U ES 1066972U
- Authority
- ES
- Spain
- Prior art keywords
- face
- insulating base
- area
- contact surface
- support cover
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000000919 ceramic Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000002241 glass-ceramic Substances 0.000 abstract 1
- 239000012212 insulator Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003605 opacifier Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000012783 reinforcing fiber Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- -1 soapstone Chemical compound 0.000 description 1
- 239000002470 thermal conductor Substances 0.000 description 1
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
- H05B3/748—Resistive heating elements, i.e. heating elements exposed to the air, e.g. coil wire heater
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Resistance Heating (AREA)
- Electric Stoves And Ranges (AREA)
Abstract
Description
Foco radiante eléctrico.Electric radiant spotlight
La presente invención se refiere a un foco radiante eléctrico adaptado a una placa de cocción, en particular de una cocina vitrocerámica.The present invention relates to a focus electric radiant adapted to a hob, in particular of a ceramic hob.
Son conocidos en el estado de la técnica, focos radiantes eléctricos adaptados a una placa de cocción los cuales comprenden una cubierta de soporte metálica que aloja en su interior una base aislante que incluye un reborde perimetral y sobre la cual se fija al menos un conductor térmico, incluyendo dicha cubierta de soporte un saliente de apoyo que sobresale en relación a su fondo, tal y como se divulga en los documentos ES 1054629U y EP 1139696A.They are known in the state of the art, spotlights electric radiators adapted to a hob which they comprise a metal support cover that houses in its inside an insulating base that includes a perimeter flange and on which at least one thermal conductor is fixed, including said support cover a support projection protruding in relation to your fund, as disclosed in the documents ES 1054629U and EP 1139696A.
La base aislante está hecha de un material de aislamiento térmico obtenido por compresión, que comprende un aerogel de sílice microporoso reforzado con fibras cerámicas, y opcionalmente alúmina y un opacificante, de modo que dicha base aislante tiene unas buenas propiedades mecánicas y de aislamiento térmico, tal y como se divulga en el documento GB 1580909 A.The insulating base is made of a material of thermal insulation obtained by compression, comprising a microporous silica airgel reinforced with ceramic fibers, and optionally alumina and an opacifier, so that said base insulator has good mechanical and insulation properties thermal, as disclosed in GB 1580909 A.
De modo general, la base aislante, cuyas caras son sustancialmente planas, se apoya sobre el saliente de apoyo de la cubierta de soporte a través del borde perimetral, mientras que en la zona del fondo, generalmente combada de la cubierta de soporte, hay una separación no uniforme entre la base aislante y el fondo de dicha cubierta de soporte.In general, the insulating base, whose faces they are substantially flat, it rests on the support projection of the support cover through the perimeter edge while in the bottom area, usually combated from the deck of support, there is a non-uniform separation between the insulating base and the bottom of said support cover.
El objeto de la presente invención es el de proporcionar un foco radiante eléctrico adaptado a una placa de cocción, en particular de una cocina vitrocerámica, según se define en las reivindicaciones.The object of the present invention is that of provide an electric radiant bulb adapted to a plate cooking, in particular of a ceramic hob, as defined in the claims.
El foco radiante eléctrico de la invención comprende una base aislante que tiene en un extremo, una primera cara sustancialmente plana y circular sobre la cual se fija al menos una resistencia de caldeo, y en el extremo opuesto, una segunda cara sustancialmente circular, y una cubierta de soporte metálica que aloja en su interior dicha base aislante.The electric radiant bulb of the invention it comprises an insulating base having at one end, a first substantially flat and circular face on which it is fixed to the minus a heating resistance, and at the opposite end, a second substantially circular face, and a support cover metal housing inside said insulating base.
La segunda cara de la base aislante se apoya directamente sobre una superficie de fondo de la cubierta de soporte a través de una superficie de contacto, de tal modo que el área de dicha superficie de contacto es inferior al área del círculo delimitado por la segunda cara de dicha base aislante. De este modo, se minimiza la conducción de calor entre la base ai0slante y la cubierta de soporte, al reducir la superficie de contacto entre dicha base aislante y dicha cubierta de soporte, obteniéndose un foco radiante de gran capacidad de aislamiento y coste mínimo gracias a la geometría optimizada de base aislante y cubierta de soporte, que permite una fabricación repetitiva de la misma.The second face of the insulating base rests directly on a bottom surface of the roof of support through a contact surface, such that the area of said contact surface is less than the area of the circle delimited by the second face of said insulating base. From In this way, heat conduction between the base is minimized front and support cover, by reducing the surface of contact between said insulating base and said support cover, obtaining a radiant focus of great capacity of isolation and minimum cost thanks to the optimized geometry of insulating base and support cover, which allows repetitive manufacturing of the same.
Esta y otras características y ventajas de la invención se harán evidentes a la vista de las figuras y de la descripción detallada de la invención.This and other features and advantages of the invention will become apparent in view of the figures and of the Detailed description of the invention.
La Fig. 1 es una sección transversal de una primera realización de una base aislante insertada en una cubierta exterior de un foco radiante según la invención.Fig. 1 is a cross section of a first embodiment of an insulating base inserted in a cover exterior of a radiant bulb according to the invention.
La Fig. 2 es una vista en planta de la base aislante de la Fig. 1.Fig. 2 is a plan view of the base insulator of Fig. 1.
La Fig. 3 es una sección transversal de una segunda realización de una base aislante insertada en una cubierta exterior de un foco radiante según la invención.Fig. 3 is a cross section of a second embodiment of an insulating base inserted in a cover exterior of a radiant bulb according to the invention.
La Fig. 4 es una vista en planta de la base aislante de la Fig. 3.Fig. 4 is a plan view of the base insulator of Fig. 3.
La Fig. 5 es una sección transversal de una tercera realización de una base aislante insertada en una cubierta exterior de un foco radiante según la invención.Fig. 5 is a cross section of a third embodiment of an insulating base inserted in a cover exterior of a radiant bulb according to the invention.
La Fig. 6 es una vista en planta de la base aislante de la Fig. 5.Fig. 6 is a plan view of the base insulator of Fig. 5.
En referencia a las Figuras 1 a 6, un foco radiante eléctrico conforme a la invención, adaptado a una placa de cocción no representada, comprende una base aislante 2 sustancialmente de revolución que tiene en un extremo, una primera cara 2a sustancialmente plana y circular sobre la cual se fijan una o varias resistencias de caldeo, no representadas en la figuras, y en el extremo opuesto, una segunda cara 2b sustancialmente plana y circular definida por un diámetro D1, y una cubierta de soporte 3, metálica y adaptada a la geometría exterior de la base aislante 2, que aloja en su interior dicha base aislante 2.Referring to Figures 1 to 6, a focus electric radiant according to the invention, adapted to a plate of cooking not shown, comprises an insulating base 2 substantially of revolution that has at one end, a first substantially flat and circular face 2a on which a or several heating resistors, not shown in the figures, and at the opposite end, a second face 2b substantially flat and circular defined by a diameter D1, and a support cover 3, metallic and adapted to the outer geometry of the insulating base 2, which houses said insulating base 2 inside.
La cubierta de soporte 3 tiene una pared 3b sustancialmente vertical de una altura superior a un espesor H2 de la base aislante 2, y una superficie de fondo 3a sobre la cual se apoya directamente la segunda cara 2b de la base aislante 2 a través de una superficie de contacto 10, de modo que el área de dicha superficie de contacto 10 es inferior al área del círculo de diámetro D1 delimitado por la segunda cara 2b.The support cover 3 has a wall 3b substantially vertical of a height greater than a thickness H2 of the insulating base 2, and a bottom surface 3a on which directly supports the second face 2b of the insulating base 2 a through a contact surface 10, so that the area of said contact surface 10 is less than the area of the circle of diameter D1 delimited by the second face 2b.
En una primera realización de la invención mostrada en las figuras 1 y 2, la base aislante 2 está hecha por moldeo de una sola capa de material uniforme microporoso, buen aislante térmico, de buenas propiedades mecánicas y resistente a la absorción de humedad, que comprende un polvo de aerogel de sílice mezclado con fibras de refuerzo cerámica, opcionalmente materiales opacificantes y cargas cerámicas La base aislante 2 incluye una pluralidad de orificios 6, dispuestos simétricamente sobre la segunda cara 2b, que reducen el área de la superficie de contacto 10 de dicha segunda cara 2b con la superficie de fondo 3a, y crean unas capas de aire aislantes entre la base aislante 2 y la cubierta de soporte 3. Los orificios 6 son orificios ciegos definidos por una altura H1, la cual es inferior al espesor H2 de la base aislante 2.In a first embodiment of the invention shown in figures 1 and 2, the insulating base 2 is made by single layer molding of microporous uniform material, good thermal insulator, with good mechanical properties and resistant to moisture absorption, comprising a silica airgel powder mixed with ceramic reinforcing fibers, optionally materials opacifiers and ceramic charges Insulating base 2 includes a plurality of holes 6, symmetrically arranged on the second face 2b, which reduce the area of the contact surface 10 of said second face 2b with the bottom surface 3a, and create insulating air layers between the insulating base 2 and the cover of support 3. The holes 6 are blind holes defined by a height H1, which is less than the thickness H2 of the base insulator 2.
En una segunda realización mostrada en las figuras 3 y 4, la base aislante 2 comprende un primer elemento 4 sustancialmente cilíndrico, una de cuyas dos caras se corresponde con la primera cara 2a de la base aislante 2, y un segundo elemento 5, sustancialmente cilíndrico, una de cuyas dos caras se corresponde con la segunda cara 2b de la base aislante 2, siendo dicho primer elemento 4 y segundo elemento 5 coaxiales y apoyándose dicho primer elemento 4 sobre el segundo elemento 5. El primer elemento 4 está hecho por moldeo de un material uniforme microporoso, buen aislante térmico, de buenas propiedades mecánicas, y resistente a la absorción de humedad, que comprende un polvo de aerogel de sílice mezclado con fibras de refuerzo cerámica y opcionalmente materiales opacificantes y cargas cerámicas, mientras que el segundo elemento 5 está hecho de un material con buenas propiedades mecánicas, tal que aluminia, esteatita, cordierita o similar.In a second embodiment shown in the Figures 3 and 4, the insulating base 2 comprises a first element 4 substantially cylindrical, one of whose two faces corresponds with the first face 2a of the insulating base 2, and a second element 5, substantially cylindrical, one of whose two faces is corresponds to the second face 2b of the insulating base 2, being said first element 4 and second element 5 coaxial and leaning said first element 4 on the second element 5. The first element 4 is made by molding a uniform material microporous, good thermal insulator, good properties mechanical, and resistant to moisture absorption, which comprises a silica airgel powder mixed with ceramic reinforcing fibers and optionally opacifying materials and ceramic fillers, while the second element 5 is made of a material with Good mechanical properties, such as aluminum, soapstone, Cordierite or similar.
Por otro lado, el segundo elemento 5 incluye una pluralidad de orificios 7 correspondientes, dispuestos simétricamente en una configuración tipo panel de abeja, siendo dichos orificios 7 pasantes, los cuales reducen el área de la superficie de contacto 10 de la base aislante 2 a la cubierta de soporte 3, y crean unas cavidades de aire que mejoran el aislamiento entre la base aislante 2 y la cubierta de soporte 3.On the other hand, the second element 5 includes a plurality of corresponding holes 7, arranged symmetrically in a bee panel type configuration, being said through holes 7, which reduce the area of the contact surface 10 of the insulating base 2 to the cover of support 3, and create air cavities that improve the insulation between the insulating base 2 and the support cover 3.
En una tercera realización de la invención, mostrada en las figuras 5 y 6, la cubierta de soporte 3 incluye unos salientes 8, hacia el interior de la cubierta de soporte 3, hechos por medio de un procedimiento de estampación, y sobre los cuales se apoya la segunda cara 2b de la base aislante 2, reduciendo de este modo la superficie de contacto 10 entre la base aislante 2 y la cubierta de soporte 3. Los salientes 8 pueden tener geometrías variadas, pudiendo presentarse en forma de una matriz de proyecciones individuales, de canales rectilíneos ó de canales circulares concéntricos.In a third embodiment of the invention, shown in figures 5 and 6, the support cover 3 includes projections 8, towards the inside of the support cover 3, made by means of a stamping procedure, and on the which rests the second face 2b of the insulating base 2, thereby reducing the contact surface 10 between the base insulator 2 and support cover 3. The protrusions 8 may have varied geometries, and can be presented in the form of a matrix of individual, straight channel or channel projections concentric circular.
Claims (7)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200702652U ES1066972Y (en) | 2007-12-21 | 2007-12-21 | ELECTRICAL RADIANT FOCUS |
| ES08382072.0T ES2533905T3 (en) | 2007-12-21 | 2008-12-04 | Electric radiant spotlight |
| EP20080382072 EP2073601B1 (en) | 2007-12-21 | 2008-12-04 | Electric radiant heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200702652U ES1066972Y (en) | 2007-12-21 | 2007-12-21 | ELECTRICAL RADIANT FOCUS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES1066972U true ES1066972U (en) | 2008-04-01 |
| ES1066972Y ES1066972Y (en) | 2008-07-01 |
Family
ID=39168027
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200702652U Expired - Lifetime ES1066972Y (en) | 2007-12-21 | 2007-12-21 | ELECTRICAL RADIANT FOCUS |
| ES08382072.0T Active ES2533905T3 (en) | 2007-12-21 | 2008-12-04 | Electric radiant spotlight |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES08382072.0T Active ES2533905T3 (en) | 2007-12-21 | 2008-12-04 | Electric radiant spotlight |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2073601B1 (en) |
| ES (2) | ES1066972Y (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2205132C3 (en) * | 1972-02-03 | 1980-09-04 | E.G.O. Elektro-Geraete Blanc U. Fischer, 7519 Oberderdingen | Electric cooker |
| GB1580909A (en) | 1977-02-10 | 1980-12-10 | Micropore Internatioonal Ltd | Thermal insulation material |
| DE3034495A1 (en) * | 1980-09-12 | 1982-03-25 | Grünzweig + Hartmann und Glasfaser AG, 6700 Ludwigshafen | Hotplate for cooker with insulating layer - fixed between heating element and bottom of shallow pot-shaped holder |
| DE3810586A1 (en) * | 1988-03-29 | 1989-10-12 | Ego Elektro Blanc & Fischer | Heating system for electric cooking appliances |
| DE19919784A1 (en) | 1999-04-30 | 2000-11-02 | Diehl Ako Stiftung Gmbh & Co | Receiving tray with an insulating layer for radiant heating elements and method for producing channels in the insulating layer |
| GB2360683B (en) | 2000-03-23 | 2004-11-10 | Ceramaspeed Ltd | Radiant electric heater |
| ES1054629Y (en) | 2003-04-25 | 2003-12-01 | Eika S Coop | "RADIANT FOCUS FOR A KITCHEN PLATE WITH AN INSULATING RING" |
-
2007
- 2007-12-21 ES ES200702652U patent/ES1066972Y/en not_active Expired - Lifetime
-
2008
- 2008-12-04 ES ES08382072.0T patent/ES2533905T3/en active Active
- 2008-12-04 EP EP20080382072 patent/EP2073601B1/en not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| EP2073601A3 (en) | 2009-08-26 |
| ES2533905T3 (en) | 2015-04-15 |
| ES1066972Y (en) | 2008-07-01 |
| EP2073601A2 (en) | 2009-06-24 |
| EP2073601B1 (en) | 2015-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG1K | Utility model granted |