EP1445544B2 - Plaque de cuisson en particulier à induction - Google Patents

Plaque de cuisson en particulier à induction Download PDF

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Publication number
EP1445544B2
EP1445544B2 EP03002858.3A EP03002858A EP1445544B2 EP 1445544 B2 EP1445544 B2 EP 1445544B2 EP 03002858 A EP03002858 A EP 03002858A EP 1445544 B2 EP1445544 B2 EP 1445544B2
Authority
EP
European Patent Office
Prior art keywords
support
heating elements
hob according
cooker hob
electronic component
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.)
Expired - Lifetime
Application number
EP03002858.3A
Other languages
German (de)
English (en)
Other versions
EP1445544A1 (fr
EP1445544B1 (fr
Inventor
Jürgen Leikam
Alwin Neukamm
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32605357&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1445544(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP03002858.3A priority Critical patent/EP1445544B2/fr
Priority to ES03002858.3T priority patent/ES2295471T5/es
Priority to DE50308681T priority patent/DE50308681D1/de
Publication of EP1445544A1 publication Critical patent/EP1445544A1/fr
Application granted granted Critical
Publication of EP1445544B1 publication Critical patent/EP1445544B1/fr
Publication of EP1445544B2 publication Critical patent/EP1445544B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • H05B6/1245—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
    • H05B6/1263—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements using coil cooling arrangements
    • 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
    • H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/02—Induction heating
    • H05B2206/022—Special supports for the induction coils

Definitions

  • the invention relates to a cooktop, in particular induction cooktop.
  • induction hobs have a compact assembly unit of induction coils, support plate, electronics and cooling, which is difficult to assemble and must be completely replaced in case of damage.
  • EP-A-0 633 566 A1 discloses a device for facilitating the positioning of halogen or resistance heating elements in glass ceramic cooktops, in which spacer elements are provided which are connected to walls of a frame connected to the glass ceramic plate or to a base connected to the frame for positioning the heating elements at a predetermined distance from the walls.
  • the cooking hob also has connecting elements between gags and a part for supplying electric power to the heating elements.
  • a glass ceramic hob which consists of a glass ceramic plate, to which a support structure is attached, which carries a plurality of heating elements and a controller under the glass ceramic plate.
  • the DE 199 35 835 A1 shows an induction hob with cooling fan, which is arranged together with inductors and electrical switching components below the hob plate.
  • the US-A-3,978,633 discloses a component of a glass ceramic plate, on the underside of a light or heat radiation element is held.
  • the BE-A-1008882 describes a glass ceramic hob with a glass ceramic plate under which a resistance heating circuit with a temperature sensor sits, which is connected to a controller.
  • the invention has for its object to simplify the assembly and disassembly.
  • At least a first carrier preferably holders for holding the heating elements are arranged.
  • the at least one first carrier receives in particular display and / or operating elements and / or means for temperature detection.
  • he has the ability to mount a frame or the glass ceramic.
  • Several first carriers may be releasably connected to a common flat carrier.
  • the at least one second carrier in addition to the electronics as coolant preferably means, which have cooling fans and / or heat sink or are designed as such.
  • one, two or more second carrier in particular each receive at least one electronics, which are assigned to a part of the heating elements and / or one of several types of heating elements.
  • the at least one third carrier is in particular a plate of glass ceramic, tempered glass or the like. It preferably has an operating and / or display area and / or an operating and / or display unit.
  • From the first to the second carrier preferably leads a line or wiring, which serves in particular the electrical connection of the heating elements with the electronics.
  • a line or wiring which serves in particular the electrical connection of the heating elements with the electronics.
  • plug-in connections which directly connect or indirectly connect the two units by sitting on both or one of the ends of the line, for example on the electronics-side end.
  • the cooking hob 2 shown comprises a central support plate 4 made of aluminum, a lower housing 6 made of plastic and an upper cooking plate 8 made of glass ceramic, which extend in different planes parallel to each other.
  • the outer edges of the support plate 4 are bent to an upwardly upwardly and downwardly opening U-shaped frame 10 which is interrupted on two opposite sides and forms passages 12, which also project somewhat into the flat region 14 of the support plate 4.
  • On the support plate 4 by means of indicated holder 16 four induction coils 18. These are grouped into two pairs whose leads 20 each lead through a passage 12 under the support plate 4.
  • an operating and display unit 22 with display elements 24 and sensory controls 26 is arranged.
  • the platterzparalleler leg 30 points away from the frame 10 of the support plate 4 and the plate normal leg 32 rests on the frame 10, so that the support plate 4 is closed top-like .
  • the frame 28 may also have an inwardly facing further plate-parallel leg, which receives on its upper side the glass ceramic plate and rests with its underside on the frame 10. In both cases, the attachment of the frame 28 of the glass ceramic plate 8 takes place on the frame 10 of the support plate 4 by laterally engaging fasteners 34, z. B. by screws or locking and / or snap elements.
  • the upwardly open to the support plate 4 and downwardly closed plastic housing 6 releasably attached Seen in plan view, it consists of mirror-image segments which are integrally or detachably connected to each other or provided completely separate.
  • Heatsinks 36 extend at their mutually facing segment sides, at one end of which a cooling fan 38 is arranged. With the other segment sides they each form a rectangle, one corner of which is cut out in favor of the cooling fan 38.
  • housing sections 40 are each pair of heating u. a. an unillustrated control electronics tonommmen, which is tailored to the Schuijnissesbestungung.
  • this can consist of two pairs of induction heating elements, two pairs of radiant heating elements or a pair of induction heating elements and a pair of radiant heating elements. These can also be combined with gas heating elements.
  • the control and possibly other electronics are wired as usual on printed circuit boards.
  • the assemblies are glass ceramic plate 8 / frame 28 (assembly 1), support plate 4 / induction coil 18 / control and display unit 22 (assembly 2) and housing 6 / heat sink 36 / cooling fan 38 / electronics (assembly 3) initially mounted in parallel operations and then releasably joined together.
  • the components forming parts are releasably connected together, in addition to the assembly also simplifies the disassembly of the hob.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Electric Stoves And Ranges (AREA)
  • Cookers (AREA)

Claims (15)

  1. Plaque de cuisson avec
    a) au moins un premier support (4) plat qui reçoit au moins des éléments chauffants (18),
    b) au moins un deuxième support (6) qui s'étend au moins en partie en dessous du premier support (4) et qui est relié avec celui-ci de manière amovible, et
    c) au moins un troisième support (8) plat qui s'étend au-dessus du premier support (4) au moins par-dessus les éléments chauffants (18) de celui-ci, est relié avec celui-ci et peut recevoir des récipients de cuisson sur sa face supérieure,
    dans laquelle :
    d) le premier support reçoit des éléments chauffants à induction,
    e) le deuxième support reçoit au moins une unité électronique pour la commande des éléments chauffants (18), et
    f) le troisième support est relié de manière amovible au premier support,
    g) les supports séparés pouvant d'abord être équipés puis assemblés pour former une plaque de cuisson,
    h) l'au moins un premier support se composant de matériau conducteur tel que de l'aluminium ou d'un matériau non conducteur tel que du plastique revêtu de matériau conducteur,
    caractérisée en ce que le deuxième support porte des moyens de refroidissement pour refroidir l'unité électronique,
    l'au moins un deuxième support se composant de plastique.
  2. Plaque de cuisson selon la revendication 1, dans laquelle les éléments chauffants (18) sont des éléments chauffants à induction et des éléments chauffants à rayonnement et/ou des éléments chauffants à gaz.
  3. Plaque de cuisson selon la revendication 1 ou 2, dans laquelle des fixations (16) sont disposées sur l'au moins un premier support (4) pour retenir les éléments chauffants (18).
  4. Plaque de cuisson selon l'une des revendications 1 à 3, dans laquelle l'au moins un premier support (4) reçoit des éléments d'affichage et/ou de commande (22, 24, 26).
  5. Plaque de cuisson selon l'une des revendications 1 à 4, dans laquelle l'au moins un premier support (6) reçoit des moyens pour la détection de la température.
  6. Plaque de cuisson selon l'une des revendications 1 à 5, dans laquelle l'au moins un premier support (4) présente un cadre (10).
  7. Plaque de cuisson selon l'une des revendications 1 à 6, dans laquelle plusieurs premiers supports sont reliés de façon amovible pour former un support plat commun.
  8. Plaque de cuisson selon la revendication 1, dans laquelle les moyens de refroidissement comprennent des souffleries de refroidissement (38) et/ou des dissipateurs de chaleur (36).
  9. Plaque de cuisson selon l'une des revendications 1 à 8, dans laquelle au moins deux deuxièmes supports (6) sont prévus.
  10. Plaque de cuisson selon la revendication 9, dans laquelle les deuxièmes supports (6) reçoivent chacun une unité électronique qui est associée à une partie des éléments chauffants (18).
  11. Plaque de cuisson selon la revendication 9 ou 10, dans laquelle les deuxièmes supports reçoivent chacun au moins une unité électronique qui est associée à un type d'éléments chauffants parmi plusieurs.
  12. Plaque de cuisson selon l'une des revendications 1 à 11, dans laquelle l'au moins un troisième support (8) est une plaque de vitrocéramique, de verre trempé ou similaire.
  13. Plaque de cuisson selon l'une des revendications 1 à 12, dans laquelle l'au moins un troisième support (8) présente une zone de commande et/ou d'affichage et/ou une zone de commande ou d'affichage.
  14. Plaque de cuisson selon l'une des revendications 1 à 13, dans laquelle une ligne servant à la connexion électrique des éléments chauffants à l'unité électronique va du premier support au deuxième.
  15. Plaque de cuisson selon l'une des revendications 1 à 14, dans laquelle des connecteurs enfichables sont prévus pour la connexion électrique des éléments chauffants (18) à l'unité électronique.
EP03002858.3A 2003-02-08 2003-02-08 Plaque de cuisson en particulier à induction Expired - Lifetime EP1445544B2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP03002858.3A EP1445544B2 (fr) 2003-02-08 2003-02-08 Plaque de cuisson en particulier à induction
ES03002858.3T ES2295471T5 (es) 2003-02-08 2003-02-08 Cubeta de cocción, especialmente cubeta de cocción por inducción
DE50308681T DE50308681D1 (de) 2003-02-08 2003-02-08 Kochmulde, insbesondere Induktionskochmulde

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03002858.3A EP1445544B2 (fr) 2003-02-08 2003-02-08 Plaque de cuisson en particulier à induction

Publications (3)

Publication Number Publication Date
EP1445544A1 EP1445544A1 (fr) 2004-08-11
EP1445544B1 EP1445544B1 (fr) 2007-11-28
EP1445544B2 true EP1445544B2 (fr) 2016-03-16

Family

ID=32605357

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03002858.3A Expired - Lifetime EP1445544B2 (fr) 2003-02-08 2003-02-08 Plaque de cuisson en particulier à induction

Country Status (3)

Country Link
EP (1) EP1445544B2 (fr)
DE (1) DE50308681D1 (fr)
ES (1) ES2295471T5 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006030547B4 (de) * 2006-07-03 2021-07-22 BSH Hausgeräte GmbH Kochmulde
EP2292979B1 (fr) * 2009-09-03 2016-10-12 BSH Hausgeräte GmbH Dispositif de refroidissement pour un champ de cuisson à induction
EP2506671B1 (fr) 2011-03-29 2017-09-13 BSH Hausgeräte GmbH Dispositif de commutation
ITMI20111472A1 (it) * 2011-08-02 2013-02-03 Whirlpool Co Metodo per realizzare un piano di cottura ad induzione e piano di cottura cosi' ottenuto
EP2679913B1 (fr) * 2012-06-28 2019-08-07 BSH Hausgeräte GmbH Appareil ménager
DE102012217059A1 (de) * 2012-09-21 2014-03-27 E.G.O. Elektro-Gerätebau GmbH Gehäuseteil für ein Kochfeld und Kochfeld
DE102013107089B4 (de) 2013-07-05 2023-02-09 Miele & Cie. Kg Induktionskochfeld
KR20210115330A (ko) * 2020-03-12 2021-09-27 엘지전자 주식회사 전기 레인지

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632983A (en) * 1970-10-13 1972-01-04 Gen Electric Smooth surfaced, heated cooktop
DE2340818C3 (de) * 1973-08-11 1980-02-14 E.G.O. Elektro-Geraete Blanc U. Fischer, 7519 Oberderdingen Tragrahmen für eine Elektrokochplatte
CH577606A5 (fr) * 1974-01-18 1976-07-15 Jenaer Glaswerk Schott & Gen
JPS61105036A (ja) * 1984-10-29 1986-05-23 Matsushita Electric Ind Co Ltd 調理器ユニツト
DE3606117A1 (de) * 1986-02-26 1987-08-27 Ego Elektro Blanc & Fischer Kocheinheit mit strahlheizkoerper
JPS63148595A (ja) * 1986-12-11 1988-06-21 松下電器産業株式会社 加熱調理装置
DE4224405A1 (de) * 1992-03-14 1993-09-16 Ego Elektro Blanc & Fischer Induktive kochstellenbeheizung
EP0663566B1 (fr) * 1994-01-15 1998-12-09 Whirlpool Europe B.V. Dispositif pour simplifier le positionnement des éléments de chauffage d'une plaque de cuisson en vitro-céramique
BE1008882A6 (fr) * 1994-11-22 1996-08-06 Lizen Christian Table de chauffe vitroceramique a conduction thermique.
DE19604234A1 (de) * 1996-01-29 1997-08-14 Belzig Elektrowaerme Gmbh Einbaukochfeld
DE19849136A1 (de) * 1998-10-23 2000-04-27 Ako Werke Gmbh & Co Kochmulde
DE19935835C5 (de) * 1999-07-29 2006-06-29 BSH Bosch und Siemens Hausgeräte GmbH Induktionskochfeld mit Kühlgebläse
US6410892B1 (en) * 2001-06-19 2002-06-25 Bsh Home Appliances Corporation Cooktop having a flat glass ceramic cooking surface

Also Published As

Publication number Publication date
ES2295471T3 (es) 2008-04-16
DE50308681D1 (de) 2008-01-10
ES2295471T5 (es) 2016-04-19
EP1445544A1 (fr) 2004-08-11
EP1445544B1 (fr) 2007-11-28

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