EP2765827B1 - Dispositif de plaque de cuisson - Google Patents

Dispositif de plaque de cuisson Download PDF

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Publication number
EP2765827B1
EP2765827B1 EP14153481.8A EP14153481A EP2765827B1 EP 2765827 B1 EP2765827 B1 EP 2765827B1 EP 14153481 A EP14153481 A EP 14153481A EP 2765827 B1 EP2765827 B1 EP 2765827B1
Authority
EP
European Patent Office
Prior art keywords
unit
hotplate
shielding element
support
cooktop
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
EP14153481.8A
Other languages
German (de)
English (en)
Other versions
EP2765827A1 (fr
Inventor
Jesús CEAMANOS GAYA
Jose Eduardo Galve Villa
Damaso Martin Gomez
María Valencia Betran
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.)
BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
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Publication of EP2765827A1 publication Critical patent/EP2765827A1/fr
Application granted granted Critical
Publication of EP2765827B1 publication Critical patent/EP2765827B1/fr
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12Cooking devices
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12Cooking devices
    • H05B6/1209Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2206/00Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/02Induction heating
    • H05B2206/022Special supports for the induction coils

Definitions

  • the invention relates to a hob device according to the preamble of claim 1.
  • the invention is based on a cooktop device, in particular an induction cooktop device, with at least one cooktop housing unit, at least one shielding element and at least one carrier unit, which is provided to carry the shielding element at least in an operating state.
  • the carrier unit is formed integrally with the cooktop housing unit.
  • a “cooktop housing unit” is to be understood, in particular, as a group of components, in particular only a single component, which together with a cooktop panel provides a functional space and at least substantially completely limits it.
  • a “functional space” is to be understood in particular as meaning a space which, at least in a mounted state, in particular an operating state, accommodates at least a majority of the cooktop functional components, in particular at least one heating unit, a control unit, power electronics and / or comparable.
  • the cooktop housing unit forms a housing shell, whose open upper side is intended to be at least covered by the cooktop panel, in particular closed, to be.
  • the hob unit is at least substantially made of metal, alternatively and / or additionally made of plastic.
  • a heating unit should be understood, which is intended to heat mounted on a cooktop cooking utensils.
  • the heating unit in at least one operating state, is intended to deliver a heat output of at least 100 W, in particular at least 300 W, advantageously at least 1000 W, preferably at least 2000 W.
  • the heating unit is designed as an induction heating unit, which is intended to convert an alternating electrical current into an alternating magnetic field, which is intended to be converted into heat in a metallic and / or ferromagnetic cooking utensil by magnetic reversal effects and / or eddy current effects.
  • a “shielding element” is to be understood as meaning in particular a preferably metallic element which is provided for at least part of a radiation emanating from a heating unit, in particular at least part of the thermal radiation, preferably at least electromagnetic alternating fields with frequencies between 10 Hz and 200 kHz to absorb before it can get to sensitive hob electronics, in particular a control unit and / or a Sensorausense.
  • the shielding element is arranged between the heating unit and the hob electronics.
  • the shielding element is intended to carry the heating unit, in particular at least a majority of the heating units, advantageously each of the heating units.
  • the heating unit is designed as an inductor, which is intended to generate an alternating electromagnetic field by converting an alternating electrical current, which is intended to be converted into heat in a cooking utensil by eddy current effects and / or Ummagnetleiters bine.
  • the heating unit as radiant heater and / or resistance heater conceivable.
  • the shielding element extends at least in one direction, in particular in at least two mutually perpendicular directions, at least substantially over a whole extent of the hob unit.
  • the carrier unit has at least one carrier surface which is provided to receive part of a weight of the shielding element and / or heating units arranged on the shielding element and to forward it to other parts of the carrier unit.
  • the support surface is oriented at least substantially horizontally, at least in one operating position, and in particular has an angle of not more than 20 °, in particular not more than 10 °, advantageously not more than 5 °, preferably not more than 2 °, to the horizon.
  • the shielding element covers at least in an operating state, especially in a projection on a horizontal plane, the support surface at least partially.
  • one piece should be understood in particular at least materially connected connected, for example, by a welding process, a gluing process, a Anspritzrea and / or another, the skilled person appear useful process, and / or advantageously formed in one piece, such as by a Manufacture from a casting and / or by a production in a one- or multi-component injection molding process and advantageously from a single blank.
  • the fact that an object is intended for a function should in particular mean that the object fulfills this function at least in an assembled state, in particular an operating state.
  • An "operating state” is to be understood in particular a state in which a cooking utensil is arranged on the cooktop plate under hob-typical arrangement, preferably with horizontal cooktop plate orientation, and is heated by the heating unit.
  • the inventive design in particular, a simple assembly and / or a component savings can be achieved because it can be dispensed with additional support elements and their installation.
  • a space savings can be achieved as can be dispensed with space for an arrangement of additional support elements.
  • costs can be reduced by simplifying manufacture and saving on components.
  • heating units can be arranged near an edge of a hob plate.
  • the carrier unit is formed at least partially, in particular at least for the most part, by at least one embodiment of the cooktop housing unit.
  • at least one carrier surface of the carrier unit is formed by a formation of a component of the cooktop housing unit, in particular a cooktop housing wall.
  • the shaping is designed as a bent and / or folded region.
  • a component savings can be achieved.
  • a simple construction can be achieved.
  • the carrier unit is produced by means of a stamping and / or bending process, preferably of at least one part of the cooktop housing unit. It can in particular be a simple and / or flexibly customizable Construction and / or configuration can be achieved. Alternatively, it is conceivable that the carrier unit is manufactured in a casting process.
  • the hob device has a buffer unit which is arranged between the hob unit and the shielding element.
  • the buffer unit is provided for, in at least one operating state, a relative movement of the carrier unit relative to the shielding element, in particular a relative movement which is at least partially, in particular at least 10%, in particular at least 40%, advantageously at least 70%, oriented perpendicular to a carrier surface influence, in particular at least dampen and / or cushion.
  • the buffer unit is at least partially designed as a spring unit.
  • the buffer unit is in at least one mounted state at least by a weight of the shielding and / or arranged on this heating units and / or by a contact force, in particular by another element, such as a cooktop panel, generated and the shielding and / or on this arranged heating units is transmitted, biased.
  • the buffer unit is at least partially designed as a damping unit and is intended to convert at least 10%, in particular at least 30%, advantageously at least 50%, of a registered kinetic energy into heat.
  • the buffer unit generates an effective coefficient of friction of at least 1, in particular at least 2, advantageously at least 4, preferably at least 8, in order to at least substantially avoid a movement which is in particular in a direction which lies at least substantially parallel to the carrier surface.
  • a high transport safety and / or operational safety can be achieved.
  • slippage of the shielding element against the carrier unit and / or damage can be avoided.
  • production tolerances can be compensated.
  • the buffer unit is integrally formed with the carrier unit and / or the shielding element.
  • the buffer unit is integrally connected to the carrier unit and / or the shielding element.
  • the buffer unit is made of parts of the carrier units and / or from the Shielding molded. In particular, a simple production can be achieved. In particular, slippage of the buffer unit can be avoided.
  • the buffer unit is fixed by a positive connection between the carrier unit and the shielding element.
  • the buffer unit is designed as a soft polymer layer, in particular as a silicone layer, advantageously as a two-component silicone layer.
  • the soft polymer layer is applied in an uncured state to carrier surfaces of the carrier unit and / or to partial regions of the shielding element and / or hardened soft polymer layer sections are adhesively bonded to the carrier surface and / or the shielding element.
  • the soft polymer layer has a lower hardness than the materials of the carrier unit and / or the shielding element.
  • the soft polymer layer is formed by a polymer foam.
  • a simple production can be achieved.
  • a good spring and / or damping effect can be achieved.
  • the buffer unit to be formed by at least one tongue spring, which is formed from the shielding element and / or from a part of the carrier unit, that is to say the hob unit housing unit.
  • the carrier unit only supports one edge of the shielding element.
  • an edge of the shielding element should be understood to mean, in particular, a region of the shielding element which is less than 3 cm, in particular less than 2 cm, advantageously less than 1 cm, preferably less than 0.5 cm from an outer edge of the shielding element.
  • An “outer edge” of the shielding element should in particular be understood to mean a circumferential region which is formed by surface regions of the shielding element which, at least in one operating state, are aligned at least substantially vertically. In particular, a high space saving can be achieved.
  • the carrier unit has at least one carrier surface which is formed by an outward bend of a part of the cooktop housing unit.
  • an underside of a portion of the part which forms the support surface in an operating state on its upper side by means of outward buckling, to the outside turned away, so facing away from a, of the cooktop housing unit enclosed interior.
  • a simple construction can be achieved.
  • a large contact surface can be achieved.
  • the carrier unit has at least one carrier surface which is formed by an inward bend of a part of the cooktop housing unit.
  • an underside of a portion of the part, which forms the support surface in an operating state on its upper side by means of an inward bend faces inwards, that is to say facing an interior space enclosed by the cooktop housing unit.
  • a space savings can be achieved.
  • a good utilization of a hob plate surface can be achieved.
  • FIG. 1 shows a cooktop 10 designed as an induction cooktop with a designed as induction cooktop Hob device 12.
  • the Hob device 12 has a cooktop plate 14 and a cooktop housing unit 16, which enclose an inner space 18 in which formed as induction heating units heating units 20 are arranged.
  • FIG. 2 shows the cooktop device 12 with the cooktop housing unit 16, a shielding member 22 and a support unit 24, which is intended to support the shielding element 22.
  • the shielding member 22 is disposed in the inner space 18.
  • the shielding element 22 is formed by an aluminum sheet.
  • Interior 18 is further arranged a hob electronics 26.
  • the shielding element 22 is arranged between the heating units 20 and the hob electronics 26.
  • the support unit 24 is formed integrally with the cooktop housing unit 16.
  • the carrier unit 24 is formed by carrier surfaces 28, 29 which are formed by partial regions of a part 17 of the cooktop housing unit 16.
  • the carrier unit 24 is formed by formations of the cooktop housing unit 16.
  • the carrier unit 24 is manufactured by means of a stamping and bending process.
  • the cooktop housing unit 16 is formed by a single part 17 formed as a housing shell.
  • the part 17 is made by means of the punching and bending process of an aluminum sheet.
  • the carrier unit 24 has carrier surfaces 28 which are formed by outward buckling of the part 17 of the cooktop housing unit 16 on a right-hand left and rear side wall 30.
  • the support surfaces 28, which extend in sections over several centimeters, sometimes decimeters, along a side wall 30, are each interrupted by further formations, which serve in particular as positive locking and / or fastening means.
  • the side wall 30 has a double crease substantially along its entire length, forming an outward crease.
  • the cooktop housing unit 16 is connected to the cooktop panel 14 by means of mounting strips 36 attached to the cooktop panel 14.
  • the hob housing unit 16 is connected by a screw connection to the hob plate 14 after installation of the individual components in the interior 18.
  • the cooktop device 12 further comprises a buffer unit 32, which is arranged between the cooktop housing unit 16 or the carrier unit 24 and the shielding element 22.
  • the buffer unit 32 is integrally formed with the carrier unit 24.
  • the buffer unit 32 is formed of a soft polymer layer 34 of two-component silicone.
  • the soft polymer layer 34 is applied to the support surfaces 28, 29 after the stamping bending process.
  • the soft polymer layer 34 is applied by means of a computer-controlled robotic arm, whereby time and costs can be saved.
  • the shielding element 22 is placed on the buffer unit 32.
  • the buffer unit 32 allows an elastic deformation during assembly of the hob plate 14, in which this against the heating units 20, the heating units 20 in turn against the shielding member 22 and the shielding member 22 finally against the support unit 24th is pressed.
  • the heating units 20 are supported by the shielding member 22 and are disposed between the shielding member 22 and the cooking field plate 14.
  • the cooktop panel 14 is formed for example of glass ceramic, although other configurations, for example of borosilicate glass or of composite material, are conceivable.
  • the shielding element 22 has formed as a positive locking means formations which are intended to fix the heating units 20 laterally.
  • heating units and shielding spring elements are arranged, which allow a uniform contact pressure of the heating units to a hob plate.
  • FIG. 3 shows an embodiment of the support surface 29 of the support unit 24.
  • the support surface 29 is formed by an inward bend of the portion 17 of the cooktop housing unit 16 on a front wall 31.
  • the inward crease is formed by a bending punch of about 1.5 cm square.
  • the inward crease has the support surface 29 and a stabilizing bend 38, which is angled relative to the support surface 29 and whose side edge is supported against the front wall 31 to prevent bending of the support surface 29.
  • a soft polymer layer 35 of the buffer unit 32 is also arranged.
  • the support unit 24 supports with the support surfaces 28, 29 only one edge of the shield 22.
  • the support surfaces 28, 29 are arranged in a same plane.
  • a carrier unit is formed only by support surfaces which are formed on outward buckling or which are formed only by Ein arrangementknicken.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Baking, Grill, Roasting (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Claims (10)

  1. Dispositif de table de cuisson, notamment dispositif de table de cuisson à induction, comprenant une plaque de cuisson (14) et comprenant au moins une unité de boîtier de plaque de cuisson (16), lesquelles entourent un espace intérieur (18) dans lequel sont disposées des unités de chauffage (20) réalisées comme unités de chauffage par induction, comprenant au moins un élément de protection (22) et comprenant au moins une unité de support (24) qui est ménagée pour porter l'élément de protection (22) au moins dans un état de fonctionnement, l'unité de support (24) étant réalisée d'une seule pièce avec l'unité de boîtier de plaque de cuisson (16), et l'élément de protection (22) étant disposé dans l'espace intérieur (18), caractérisé en ce que l'unité de support (24) est formée par au moins un façonnement de l'unité de boîtier de plaque de cuisson (16), le façonnement étant réalisé comme zone repliée.
  2. Dispositif de table de cuisson selon la revendication 1, caractérisé en ce que l'unité de support (24) est fabriquée au moyen d'un processus d'estampage et/ou de pliage.
  3. Dispositif de table de cuisson selon l'une quelconque des revendications précédentes, caractérisé par une unité tampon (32) qui est disposée entre l'unité de boîtier de plaque de cuisson (16) et l'élément de protection (22).
  4. Dispositif de table de cuisson selon la revendication 3, caractérisé en ce que l'unité tampon (32) est réalisée d'une seule pièce avec l'unité de support (24) et/ou avec l'élément de protection (22).
  5. Dispositif de table de cuisson au moins selon la revendication 3, caractérisé en ce que l'unité tampon (32) est réalisée comme couche en polymère mou (34, 35).
  6. Dispositif de table de cuisson selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de support (24) soutient uniquement un bord de l'élément de protection (22).
  7. Dispositif de table de cuisson selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de support (24) présente au moins une surface de support (28) qui est formée par un pliage extérieur d'une partie (17) de l'unité de boîtier de plaque de cuisson (16).
  8. Dispositif de table de cuisson selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de support (24) présente au moins une surface de support (29) qui est formée par un pliage intérieur d'une partie (17) de l'unité de boîtier de plaque de cuisson (16).
  9. Table de cuisson, notamment plaque de cuisson à induction, comprenant un dispositif de table de cuisson (12) selon l'une quelconque des revendications précédentes.
  10. Procédé de fabrication d'un dispositif de table de cuisson (12) selon l'une quelconque des revendications 1 à 8, comprenant une plaque de cuisson (14) et comprenant au moins une unité de boîtier de plaque de cuisson (16), lesquelles entourent un espace intérieur (18) dans lequel des unités de chauffage (20) réalisées comme unités de chauffage par induction sont disposées, comprenant au moins un élément de protection (22) et comprenant au moins une unité de support (24) qui est ménagée pour porter l'élément de protection (22) au moins dans un état de fonctionnement, l'unité de support (24) étant réalisée d'une seule pièce avec l'unité de boîtier de plaque de cuisson (16), et l'élément de protection (22) étant disposé dans l'espace intérieur (18), caractérisé en ce que l'unité de support (24) est formée par au moins un façonnement de l'unité de boîtier de plaque de cuisson (16), le façonnement étant réalisé comme zone repliée.
EP14153481.8A 2013-02-11 2014-01-31 Dispositif de plaque de cuisson Active EP2765827B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201330172A ES2485565B1 (es) 2013-02-11 2013-02-11 Dispositivo de soporte de elemento de blindaje de campo de cocción

Publications (2)

Publication Number Publication Date
EP2765827A1 EP2765827A1 (fr) 2014-08-13
EP2765827B1 true EP2765827B1 (fr) 2018-01-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14153481.8A Active EP2765827B1 (fr) 2013-02-11 2014-01-31 Dispositif de plaque de cuisson

Country Status (2)

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EP (1) EP2765827B1 (fr)
ES (1) ES2485565B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2684109B1 (es) * 2017-03-30 2019-09-16 Bsh Electrodomesticos Espana Sa Dispositivo de campo de cocción
ES2768073A1 (es) * 2018-12-19 2020-06-19 Bsh Electrodomesticos Espana Sa Sistema de cocción
KR20210115330A (ko) 2020-03-12 2021-09-27 엘지전자 주식회사 전기 레인지

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2427032A2 (fr) * 2010-09-06 2012-03-07 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de champ de cuisson

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0235902B2 (ja) * 1982-07-22 1990-08-14 Matsushita Electric Ind Co Ltd Kanetsuchoriki
FR2740645B1 (fr) * 1995-10-27 1997-11-21 Europ Equip Menager Bobinage inducteur multibrin a toronnage de type litz pour foyer de cuisson par induction
DE102005005527A1 (de) * 2005-01-31 2006-08-03 E.G.O. Elektro-Gerätebau GmbH Induktionsheizeinrichtung und Kochfeldmulde mit einer solchen Induktionsheizeinrichtung
ES2298031B1 (es) * 2006-04-28 2008-12-16 Bsh Electrodomesticos España, S.A. Dispositivo portabobinas de induccion con un cuerpo de plastico.
IT1401158B1 (it) * 2010-07-28 2013-07-12 Smeg Spa Piano cottura
ES2394996B1 (es) * 2011-01-10 2014-01-17 BSH Electrodomésticos España S.A. Dispositivo de campo de cocción

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2427032A2 (fr) * 2010-09-06 2012-03-07 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de champ de cuisson

Also Published As

Publication number Publication date
ES2485565B1 (es) 2015-05-22
EP2765827A1 (fr) 2014-08-13
ES2485565A1 (es) 2014-08-13

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