EP1317164B1 - Dispositif de marquage d'une bobine à induction par illumination - Google Patents

Dispositif de marquage d'une bobine à induction par illumination Download PDF

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Publication number
EP1317164B1
EP1317164B1 EP02025914A EP02025914A EP1317164B1 EP 1317164 B1 EP1317164 B1 EP 1317164B1 EP 02025914 A EP02025914 A EP 02025914A EP 02025914 A EP02025914 A EP 02025914A EP 1317164 B1 EP1317164 B1 EP 1317164B1
Authority
EP
European Patent Office
Prior art keywords
induction coil
support
coil
illumination means
receiving coil
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
EP02025914A
Other languages
German (de)
English (en)
Other versions
EP1317164A3 (fr
EP1317164A2 (fr
Inventor
Jörg Bögel
Michael Stöffler
Wilfried Schilling
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau 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 EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Publication of EP1317164A2 publication Critical patent/EP1317164A2/fr
Publication of EP1317164A3 publication Critical patent/EP1317164A3/fr
Application granted granted Critical
Publication of EP1317164B1 publication Critical patent/EP1317164B1/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
    • 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
    • H05B6/1218—Cooking devices induction cooking plates or the like and devices to be used in combination with them with arrangements using lights for heating zone state indication

Definitions

  • the invention relates to a device for marking the operation and / or the position of an induction coil of an inductive hob by lighting or luminous marking according to the preamble of claim 1 and an inductive heating device according to the preamble of claim 12.
  • Induction coils of an inductive hob can be arranged under a glass ceramic plate. On the glass ceramic plate, a corresponding cooking vessel is placed. Below this point is the induction coil and transfers energy into the bottom of the cooking vessel to heat it.
  • Such induction coils are described in DE-A-19546853. Here it is disclosed how an optical marking can be created for an induction-heated hotplate.
  • a coil-like wire winding which is connected to an LED, runs around the induction coil on the outside. This LED is assigned to the hob. It can even be provided around the cooking area several LED around. Details on the arrangement or design of the LED are not disclosed.
  • EP-A-1250029 discloses an induction-heated hotplate with LED, which are arranged outside of an induction coil serving as a heater.
  • the control or power supply of the LED via central electrical lines and via a controller or another power supply.
  • the invention has for its object to provide an aforementioned device and an inductive heating device with which the disadvantages of the prior art are avoided, in particular a luminous marking of an induction coil, their operation or their position as simple and reliable as possible.
  • an aforementioned device has a carrier which has or carries at least one electric lamp. Furthermore, the device has a receiving coil, which can be placed in the magnetic field of the induction coil and allows a transformational energy transfer from the induction coil into the receiving coil. The receiver coil, in turn, is connected to the light source and thus supplies it with energy from the induction coil.
  • LED bulbs In order to use as little energy as possible LED bulbs are used. Particularly advantageous LEDs are used, which are temperature resistant up to at least 100 ° C. In this way, operation under a glass ceramic hob is in most cases trouble-free possible without problems with excess temperatures. Alternative use of glow lamps can completely avoid overheating problems.
  • the receiving coil is advantageously dimensioned in each case correspondingly.
  • the bulbs can be LED. This has the advantage that they can be connected in opposite polarity to the receiving coil in approximately the same number. As a result, the LED uses both positive and negative phases of the voltage generated in the receiving coil.
  • the receiving coil is arranged on the carrier itself together with the lighting means.
  • a circuit board can be used as a carrier.
  • the receiving coil or its windings in the outer region The carrier around or run, so that remains in the middle of space for the bulbs or other devices.
  • the receiver coil can run helically on the carrier. To increase the number of turns per carrier, the receiving coil can extend on both sides of the carrier, for example, in each case corresponding manner. The two parts can then be connected.
  • a largely power-independent illumination can be achieved by voltage limiting means are provided for the lighting means.
  • the LED series resistors can be connected upstream.
  • they are arranged on the same carrier as the respectively associated with them bulbs.
  • they are arranged near the lighting means
  • the induction coil is, as usual, flat and round, wherein the carrier has substantially Kreisringsektorform.
  • such a circular ring sector may extend over an angular range of approximately 120 °.
  • the radius of a carrier with circular sector shape may be chosen so that the carrier of the shape of the induction coil extends according to and has a certain distance thereto. This distance is in the range of a few millimeters up to a few centimeters, for example 10mm to 20mm. Especially Here, by distance, the distance between the induction coil itself and the receiving coil is to be understood.
  • light distribution means can be associated with the at least one light source, by means of which it is possible to produce a larger or oblong or even areally distributed light phenomenon.
  • Such light distribution means are known from other fields of application, for example as light rails.
  • the light distribution means can be arranged via one or more light sources. Preferably, they consist of a transparent plastic. Their course can generally correspond to the desired course of a lighting. In particular, their course corresponds approximately to the shape of the induction coil, thus forming, for example, a surrounding luminous annular ring.
  • a thermal insulation may be provided above the device, which is translucent at least in the area of the light source itself.
  • Such insulation may be connected to the carrier, for example by means of a holder or spacer. In this way, they can form a structural unit.
  • the insulation should cover at least the device from the surface at least towards the top or even better.
  • the thermal insulation to shield the device to the cover or the hob out.
  • a glass or a temperature-resistant plastic can be used, which with a corresponding coating should be provided.
  • IR-reflecting coatings are suitable for this purpose.
  • a device according to the invention is particularly advantageous regardless of the design of an induction coil. In this way, it is possible to form a device for retrofitting any induction coil or any induction hob.
  • an inductive heating device with the features of claim 12.
  • an inductive heating device according to the invention which may be in particular an induction hob, at least one of the aforementioned devices or carriers is arranged near the induction coil.
  • an induction coil is essentially surrounded by light sources on one or more carriers.
  • the lighting means have a substantially same lateral distance, for example a few centimeters, to the induction coil.
  • For marking and in particular for emphasizing the round shape of the induction coil should be provided at least four bulbs, but advantageously much more.
  • a punctiform or, by means of the aforementioned light distribution means, band-shaped luminous image can be created around the induction coil.
  • the carriers of the devices are circular sectors, for example, third-circular sectors, an assembly of the same is easily possible.
  • This may, for example, be such that the induction coil, in particular also together with a plurality of induction coils, is fastened to a base holder and at least one carrier is fastened to the same base holder.
  • An attachment can, for example by gluing, in particular by means of double-sided foam adhesive tapes done.
  • a possible embodiment of a lighting device 11 is shown. This is formed annular sector-shaped, in this case as a third circle.
  • the lighting device 11 is arranged at a small distance at the outer edge of an induction coil 12.
  • the left and right of the lighting device 11 further, preferably identically formed, lighting devices, so as to form a full circle around the induction coil 12.
  • the lighting device 11 consists of a printed circuit board 14.
  • the coil 15 is applied, in the form that circumferential coil windings 16 are formed by corresponding conductor tracks.
  • a coil 15 with two windings 16 is shown. In practice, more windings are preferred, for example seven or eight.
  • an overlap of the web is necessary. This is shown schematically by a bridging. In practice, this can be achieved by a separate component to be soldered.
  • both surfaces of the printed circuit board 14 carry a coil 15 with turns 16 and are connected by an extending through the circuit board 14 through electrical connection.
  • the problem of such overlaps can be avoided.
  • the induced voltage can be increased or the number of turns per circuit board surface can be reduced.
  • the induction coils 12 are applied to an aluminum sheet carrier, for example glued.
  • the lighting device 11 can be mounted on the same aluminum sheet carrier.
  • the LED 20 are connected to the coil 15. These terminals 18 are formed as conductor tracks on the circuit board 14.
  • the LED 20 can be soldered accordingly on the circuit board 14. It is possible to use so-called SMD components or - LED, which can be applied by placement machines.
  • the LED 20 are connected parallel to each other to the coil 15. Are on the front and back of the circuit board 14 turns 16 present and thus actually two coils 15 are formed, these coils 15 are advantageously connected in series.
  • Fig. 2 This can also be seen in Fig. 2.
  • two coils 15 shown in series These in turn are connected via the connection lines 18 with a number of parallel-connected LED 20.
  • Fig. 2 for the sake of simplicity in a common representation, both an embodiment shown only with LED 20 and in addition with series resistors 22 in each LED branch.
  • the series resistors 22 are advantageously arranged as close as possible to the LED 20 on the circuit board 14. This is especially possible with the use of SMD components, since they are very small.
  • the series resistors also have the great advantage that this provides overload protection. Furthermore, it is possible to provide other means for limiting the voltage.
  • the LED 20 may be connected alternately poled. As a result, both positive and negative half-waves of the alternating voltage induced in the coils 15 can be utilized with LEDs.
  • such lighting devices can also be retrofitted to induction coils 12 of an induction cooker.
  • the radius of the circular segment-shaped Lighting device 11 can be easily adapted to different diameters of induction coils 12 can be achieved.
  • Particularly advantageous is above all the elimination of any connection costs for the power supply of the bulbs 20th

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Induction Heating Cooking Devices (AREA)
  • General Induction Heating (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)

Claims (15)

  1. Dispositif d'indication de service et/ou de position d'une bobine d'induction (12) d'une table de cuisson à induction par éclairage, sachant que le dispositif (11) présente un support (14) avec au moins un agent lumineux (20) électrique, sachant que le dispositif (11) présente en outre une bobine de réception (15) à transformation pour le placement dans le champ magnétique de la bobine d'induction (12), et sachant que la bobine de réception (15) est raccordé avec l'agent lumineux (20), caractérisé en ce que la bobine de réception (15) est disposée sur le support (14), sachant que la bobine d'induction (12) est plate et ronde et que le support (14) présente essentiellement une forme de secteur d'anneau de cercle et qu'il s'étend à une distance jusqu'à quelques centimètres de la bobine d'induction (12).
  2. Dispositif d'après la revendication 1, caractérisé par plusieurs agents lumineux (20) par bobine de réception (15), sachant que les agents lumineux sont de préférence des diodes électroluminescentes (20) et qu'ils sont connectés à la bobine de réception alternativement à polarité contraire.
  3. Dispositif d'après une des revendications précédentes, caractérisé en ce que la bobine de réception (15) est disposée sur le support (14), sachant que le support est de préférence une carte imprimée (14) et que la bobine de réception (15) présente des pistes conductrices (16) appliquées sur la carte imprimée (14).
  4. Dispositif d'après la revendication 1 ou 3, caractérisé en ce que la bobine de réception (15) s'étend circulairement dans le domaine extérieur du support (14), préférablement sous forme de spirale, sachant qu'elle est notamment disposée des deux côtés du support (14).
  5. Dispositif d'après une des revendications précédentes, caractérisé par des dispositifs de limitation de tension pour les agents lumineux (20), sachant que de préférence les dispositifs de limitation de tension sont des résistances série (22) pour les agents lumineux (20).
  6. Dispositif d'après la revendication 5, caractérisé en ce que les dispositifs de limitation de tension (22) sont disposés sur le même support (14) que les agents lumineux (20) alimentés par ceux-là, de préférence à proximité de ces agents lumineux.
  7. Dispositif d'après une des revendications précédentes, caractérisé en ce que la bobine d'induction (12) est plate et ronde et que le support (14) présente essentiellement la forme d'un secteur d'anneau circulaire et que le support (14) s'étend dans un domaine angulaire à peu près de 120°.
  8. Dispositif d'après une des revendications précédentes, caractérisé en ce que des moyens de diffusion de lumière sont associés à un ou plusieurs agents lumineux (20), pour réaliser un phénomène lumineux distribué notamment de manière longitudinale à partir de la lumière émise au moins par un agent lumineux (20) essentiellement ponctuel.
  9. Dispositif d'après la revendication 8, caractérisé en ce que les moyens de diffusion de lumière sont disposés au-dessus au moins d'un agent lumineux (20) et qu'il sont de préférence constitués d'une matière plastique transparente, sachant que notamment leur étendue correspond à peu près à la forme de la bobine d'induction (12).
  10. Dispositif d'après une des revendications précédentes, caractérisé en ce qu'au-dessus du dispositif (11) on prévoit un isolement thermique translucide, sachant que l'isolement thermique peut être raccordé au support (14) de préférence au moyen d'un reteneur ou d'un écarteur.
  11. Dispositif d'après une des revendications précédentes, caractérisé en ce que le dispositif (11) est réalisé pour équiper après coup une bobine d'induction (12) quelconque.
  12. Dispositif de chauffe par induction avec une bobine d'induction (12) et une couverture disposée au-dessus de la bobine d'induction (12), notamment une table de cuisson, caractérisé en ce qu'un dispositif (11) d'après les revendications précédentes est disposé à proximité de la bobine d'induction (12).
  13. Dispositif de chauffe d'après la revendication 12, caractérisé en ce qu'un ou plusieurs supports (14) entourent essentiellement la bobine d'induction (12) à une distance de quelques centimètres, sachant que de préférence on prévoit au moins quatre agents lumineux (20) par bobine d'induction (12).
  14. Dispositif de chauffe d'après la revendication 12 ou 13, caractérisé en ce que entre un support (14) et la couverture est prévu un isolement thermique translucide, qui couvre de préférence tout le support (14) au moins en direction vers la couverture, sachant que notamment l'isolement thermique est muni d'un revêtement qui reflète les rayons infrarouges.
  15. Dispositif de chauffe d'après une des revendications de 12 à 14, caractérisé en ce que la ou les bobines d'induction (12) sont fixées sur un support de base et que le ou les supports (14) sont fixés sur le même support de base.
EP02025914A 2001-11-30 2002-11-20 Dispositif de marquage d'une bobine à induction par illumination Expired - Lifetime EP1317164B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10159682 2001-11-30
DE10159682A DE10159682A1 (de) 2001-11-30 2001-11-30 Vorrichtung zur Markierung einer Induktionsspule durch Beleuchtung

Publications (3)

Publication Number Publication Date
EP1317164A2 EP1317164A2 (fr) 2003-06-04
EP1317164A3 EP1317164A3 (fr) 2004-08-25
EP1317164B1 true EP1317164B1 (fr) 2007-03-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP02025914A Expired - Lifetime EP1317164B1 (fr) 2001-11-30 2002-11-20 Dispositif de marquage d'une bobine à induction par illumination

Country Status (4)

Country Link
US (1) US6828530B2 (fr)
EP (1) EP1317164B1 (fr)
AT (1) ATE357833T1 (fr)
DE (2) DE10159682A1 (fr)

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Publication number Priority date Publication date Assignee Title
WO2012028985A1 (fr) 2010-08-31 2012-03-08 BSH Bosch und Siemens Hausgeräte GmbH Corps chauffant par induction
EP2592899A2 (fr) 2011-11-14 2013-05-15 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'appareil ménager

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DE102006024097A1 (de) * 2006-05-18 2007-11-22 E.G.O. Elektro-Gerätebau GmbH Verwendung von linkshändigen Metamaterialien als Anzeige, insbesondere an einem Kochfeld, und Anzeige sowie Anzeigeverfahren
DE102006025069B4 (de) * 2006-05-23 2016-09-22 E.G.O. Elektro-Gerätebau GmbH Sensorelement-Anordnung für eine Bedieneinrichtung und Verfahren zum Betrieb einer solchen Sensorelement-Anordnung
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CN102342760B (zh) * 2010-07-30 2015-07-08 松下电器产业株式会社 感应加热烹调器
CN102042524B (zh) * 2010-11-02 2015-01-21 亿光电子(中国)有限公司 环形灯管
EP2458285B1 (fr) * 2010-11-26 2015-09-16 Electrolux Home Products Corporation N.V. Plaque de cuisson avec panneau céramique en verre et un dispositif d'éclairage
US20120138590A1 (en) * 2010-12-04 2012-06-07 Brosnan Daniel V Lighting system for use with a cooktop appliance and method for assembling the same
EP2480046B1 (fr) * 2011-01-19 2013-07-10 Electrolux Home Products Corporation N.V. Plaque de cuisson à induction avec un nombre de zones de chauffage
USD694569S1 (en) 2011-12-30 2013-12-03 Western Industries, Inc. Cook top
US20130175254A1 (en) * 2012-01-10 2013-07-11 General Electric Company Cook top appliance having spill and boil-over detection and response
CN103381093B (zh) * 2012-05-05 2015-09-30 上海联影医疗科技有限公司 Mr线圈导引系统及其导引方法
US9777930B2 (en) 2012-06-05 2017-10-03 Western Industries, Inc. Downdraft that is telescoping
US9897329B2 (en) 2012-06-08 2018-02-20 Western Industries, Inc. Cooktop with downdraft ventilator
KR102270491B1 (ko) 2014-05-30 2021-06-29 삼성전자주식회사 유도 가열 조리기기
DE102016204887A1 (de) 2016-03-23 2017-09-28 E.G.O. Elektro-Gerätebau GmbH Anzeigevorrichtung für ein Elektrogerät und Elektrogerät
DE102016212648A1 (de) 2016-07-12 2018-01-18 E.G.O. Elektro-Gerätebau GmbH Verwendung von elektromagnetophoretischem Material als Anzeige an einem Elektrokochgerät, Anzeige sowie Anzeigeverfahren
WO2018054958A1 (fr) * 2016-09-26 2018-03-29 Philips Lighting Holding B.V. Module d'éclairage et procédé de commande d'un système d'éclairage
KR102031420B1 (ko) * 2017-09-29 2019-10-11 엘지전자 주식회사 인디케이터 및 이를 포함하는 유도 가열 장치
DE102017220824A1 (de) 2017-11-22 2019-05-23 Arpa Sasu Verfahren zum induktiven Beheizen eines induktiv beheizbaren Kochgefäßes, Übertragungsuntersetzer und induktives Kochgerät zur Durchführung des Verfahrens
ES2719649A1 (es) * 2018-01-08 2019-07-11 Bsh Electrodomesticos Espana Sa Dispositivo de campo de cocción
CN112415783B (zh) * 2021-01-19 2021-04-06 北京佳珥医学科技有限公司 一种美瞳式ar眼镜
WO2023052061A1 (fr) * 2021-09-29 2023-04-06 BSH Hausgeräte GmbH Dispositif de cuisson à induction
WO2023052062A1 (fr) * 2021-09-29 2023-04-06 BSH Hausgeräte GmbH Dispositif de cuisson à induction
WO2023052060A1 (fr) * 2021-09-29 2023-04-06 BSH Hausgeräte GmbH Dispositif de cuisson à induction
EP4203611A1 (fr) 2021-12-21 2023-06-28 Copreci, S.Coop. Dispositif d'éclairage d'une plaque de cuisson à induction

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012028985A1 (fr) 2010-08-31 2012-03-08 BSH Bosch und Siemens Hausgeräte GmbH Corps chauffant par induction
EP2592899A2 (fr) 2011-11-14 2013-05-15 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'appareil ménager
EP2592899A3 (fr) * 2011-11-14 2013-09-11 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'appareil ménager

Also Published As

Publication number Publication date
DE10159682A1 (de) 2003-06-26
US20030111460A1 (en) 2003-06-19
US6828530B2 (en) 2004-12-07
EP1317164A3 (fr) 2004-08-25
DE50209760D1 (de) 2007-05-03
EP1317164A2 (fr) 2003-06-04
ATE357833T1 (de) 2007-04-15

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