EP3228154B1 - Infrarotzentrierungssystem für induktionskochfläche - Google Patents

Infrarotzentrierungssystem für induktionskochfläche Download PDF

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Publication number
EP3228154B1
EP3228154B1 EP15810696.3A EP15810696A EP3228154B1 EP 3228154 B1 EP3228154 B1 EP 3228154B1 EP 15810696 A EP15810696 A EP 15810696A EP 3228154 B1 EP3228154 B1 EP 3228154B1
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EP
European Patent Office
Prior art keywords
optical device
cooking vessel
optical
household
induction hob
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EP15810696.3A
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English (en)
French (fr)
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EP3228154A1 (de
Inventor
Damien COUTELLIER
Julien FAZLI
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SEB SA
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SEB SA
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    • 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
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • 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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/05—Heating plates with pan detection means
    • 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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/06—Cook-top or cookware capable of communicating with each other

Definitions

  • the present invention generally relates to a centering system of a household appliance or cooking vessel on an induction table.
  • the centering system relates to household appliances or cooking vessels that are powered or heated wirelessly energy by an induction table to achieve heating or energy recovery to supply functions related to heating or even a combination of both.
  • Circular markings on the cooking plates of generators or induction tables are known in the prior art. JP2000323270 or WO2009147664 . In these documents the marking is intended to identify the inductor (s) and thus to properly position the appliance or the cooking vessel inside the marking to ensure maximum energy transfer between the various elements.
  • the inductor of the device to be powered is ideally positioned. For this it must be positioned in front of the inductor of the induction generator.
  • the perfect alignment of these inductors allows to get the most power with the best efficiency of contactless energy transfer. It is an imperative condition to ensure a sufficient energy transfer while having a dimensioning of the induction generator and the household appliance or cooking vessel as optimum as possible.
  • DE 20 2007 013494 U1 discloses an appliance system comprising an appliance or a cooking vessel, an induction hob, and a centering system adapted to operate with the appliance or cooking vessel and the induction hob, the hob comprising an inductor a generator which is provided to supply energy and which is positioned in the induction hob, the appliance or cooking vessel being powered and / or heated wirelessly by the energy supplied by the generator inductor, the system centering device comprising an optical device positioned in the induction table; the optical device being provided for generating or receiving one or more optical rays.
  • An object of the present invention is to meet the disadvantages of the prior art mentioned above and in particular first of all to propose a system that can inform the user of the proper alignment of a household appliance or a cooking vessel. with the induction hob for the purpose of transferring as much energy as possible for heating the appliance or cooking vessel or for energy recovery.
  • the invention relates to an appliance system comprising an appliance or a cooking vessel, a hob, and a centering system adapted to operate with the appliance (or the cooking vessel and the induction hob, the induction table comprising a generator inductor which is provided to supply energy and which is positioned in the induction table, the appliance or cooking vessel being supplied and / or heated wirelessly by the energy supplied by the generator inductor, the centering system comprising a first optical device positioned in the appliance or the cooking vessel and a second optical device positioned in the induction table, the first optical device being adapted to generate or receive one or more radii optical and the second optical device being provided for generating or receiving one or more rayo optics, the centering system being arranged to detect the alignment of the first optical device with respect to the second optical device from one or more optical rays emitted by the first optical device and received by the second optical device or one or more optical rays emitted by the second optical device and received by the first optical device.
  • the appliance or cooking vessel comprises a receiver inductor for recovering energy and the first optical device is positioned in the middle of the receiver inductor and the second optical device is positioned in the middle of the receiver inductor.
  • the generator inductor for recovering energy and the first optical device is positioned in the middle of the receiver inductor and the second optical device is positioned in the middle of the receiver inductor.
  • the receiver inductor and the generator inductor are aligned when the first optical device receives one or more optical rays emitted by the second optical device or when the second optical device receives one or more optical rays emitted by the first optical device. optical device. Optical rays must be received directly so that the spurious rays are not taken into account by the different optical devices.
  • the proposed solution makes it possible, via one and the same means, to provide bidirectional communication between the appliance and the induction hob and a centering indicator of the appliance in relation to the appliance. at the induction table.
  • the appliance or cooking vessel or induction table comprises a display for viewing the alignment of the first optical device with the second optical device.
  • the advantage of such a display is to have a device for rendering the centering information visible to a user.
  • the display comprises one or more light-emitting diodes which are in a first ignition state if the first optical device is aligned with the second optical device and which are in a second ignition state if the first device optic is not aligned with the second optical device.
  • the induction table comprises a device for viewing the presence of a household appliance or a cooking vessel, connected to the second optical device.
  • a device for viewing the presence of a household appliance or a cooking vessel connected to the second optical device.
  • Such a device can detect whether a household appliance or a cooking vessel is present on the induction table and inform a user.
  • the appliance or the cooking vessel or the induction hob comprises a device for measuring the decentering the first optical device with respect to the second optical device or the second optical device with respect to the first optical device.
  • a device for measuring the decentering the first optical device with respect to the second optical device or the second optical device with respect to the first optical device makes it possible to know the relative position of the two optical devices with each other.
  • the decentration measuring device comprises a photosensitive slab with optical rays, positioned on the induction table or on the bottom of the appliance or cooking vessel, and which allows to know the position on the photosensitive slab of an incident optical ray.
  • the photosensitive slab makes it easy to integrate within the scope of the invention and makes it possible to capture optical rays reliably.
  • the appliance or cooking vessel or induction table comprises a device for displaying the position of the ray incident on the photosensitive slab relative to the position of the first optical device or the second optical device .
  • a device for displaying the position of the ray incident on the photosensitive slab relative to the position of the first optical device or the second optical device In this way, it is possible to visualize the relative positions of the two optical systems with respect to one another in real time and from this visualization the alignment of the two optical devices can be corrected in order to align them.
  • the first optical device is a transmitter and / or infrared receiver connected to a microcontroller and the second optical device is a transmitter and / or infrared receiver connected to a microcontroller.
  • Infrared transmitters and / or receivers operate in wavelengths in which there is little interference.
  • the appliance or cooking vessel or induction table comprises a user interface adapted to receive input control data to be transmitted by the first optical device or by the second optical device, in order to control at least one function of the appliance or cooking vessel from the induction hob or to control at least one function of the hob from the appliance or cooking vessel.
  • the cooking vessel is a container adapted to be placed on an induction table 2 and heated by it at the bottom.
  • the cooking vessel may also include functions related to the heating. We find in a nonlimiting way the additional functions mentioned above.
  • the induction table 2 comprises one or more inductors 3 generators intended to provide energy.
  • the one or more inductors 3 generators are positioned in the induction table 2.
  • the centering system comprises a first optical device 4.
  • This first optical device 4 is composed of an optical sensor connected to a microcontroller 12.
  • This optical sensor is either an infrared transmitter, an infrared receiver or a combined transceiver. Thus it can generate or receive one or more optical rays in the infrared wavelengths.
  • This optical sensor is positioned in the appliance 1 or in the cooking vessel. It is positioned perpendicular to the bottom of the appliance 1 or the bottom of the cooking vessel so that the one or more optical rays 10 emitted are emitted perpendicularly to the bottom of the appliance 1 or the bottom of the cooking vessel .
  • the appliance 1 or the cooking vessel in addition to being heated, comprises a receiver inductor 6 for recovering energy in order to supply functions related to heating.
  • the first optical device 4 is positioned in the middle of the inductor 6 receiver.
  • positioned in the middle is meant that the first optical device 4 is positioned in the center of the circle when, for example, the receiver inductor 6 has the shape of a circle.
  • the receiver inductor 6 is of any shape or comprises a plurality of receiver inductors 6, the first optical device 4 will be placed on an axis of revolution of the total magnetic field formed by the one or more inductor 6 receivers. .
  • the centering system also comprises a second optical device 5.
  • This second optical device 5 is composed of an optical sensor connected to a microcontroller 13.
  • This optical sensor is either an infrared transmitter, an infrared receiver or a combined transceiver. Thus it can generate or receive one or more optical rays in the infrared wavelengths.
  • This second optical device 5 is positioned in the induction table 2.
  • This second optical device 5 is more particularly positioned in the middle of the generator inductor 3 and perpendicular to the plane of the induction table 2 so that the one or more optical rays 11 emitted are perpendicular to the plane of the induction table 2.
  • the invention is not limited to wavelengths of the infrared and other wavelengths are possible when the first or the second optical device (4, 5) is adapted to detect these wavelengths.
  • the first optical device 4 and the second optical device 5 are shifted, which implies that the inductor 3 generator and the inductor 6 receiver are not vis-à-vis and that the efficiency of the energy transmitted from the table induction 2 to the appliance 1 is not optimal.
  • the appliance 1, or the cooking vessel or the induction table 2 comprises a display 7 making it possible to display the alignment of the first optical device 4 with the second optical device 5.
  • the display 7 comprises one or more light-emitting diodes which are in a first state of ignition if the first optical device 4 is aligned with the second optical device 5 and which are in a second state of ignition if the first optical device 4 n is not aligned with the second optical device 5.
  • the induction table 2 comprises a display device 8 for the presence of an appliance 1 or a cooking vessel on the induction table 2.
  • This display device 8 is connected to the second optical device 5 and allows to detect whether an appliance 1 or a cooking vessel is present on the induction table 2 and to inform a user. Indeed if the second optical device 5 does not detect optical rays then the display device 8 indicates that a household appliance 1 or a cooking vessel is not present on the induction table 2.
  • the figure 2 represents the home appliance system in the case where the first optical device 4 is centered with the second optical device 5.
  • the first optical device 4 receives directly one or more optical rays 11 emitted by the second optical device 5 and the second device optical 5 directly receives the one or more optical rays 10 emitted by the first optical device 4.
  • the induction table 2 is informed that a household appliance 1 or a cooking vessel is positioned on the induction table 2 but the The appliance 1 or the cooking vessel is also informed that an induction table 2 is positioned under the appliance 1 or the cooking vessel.
  • the one or more optical rays (10, 11) emitted by the first optical device 4 or by the second optical device 5 comprise state data of the domestic appliance 1 or the cooking vessel or the induction table 2 of in order to know the state of the appliance 1 or the cooking vessel or the induction table 2.
  • optical rays (10, 11) emitted also include control data of the household appliance 1 or the cooking vessel or the induction hob 2.
  • This control data makes it possible to control the operation of the household appliance 1 or the cooking vessel or the induction table 2.
  • the status or control data can be bidirectionally exchanged between the appliance 1 or the cooking vessel and the induction hob 2.
  • the Figures 3 and 4 represent a variant of the electrical appliance system in which the appliance 1 or the cooking vessel or the induction table 2 comprises a device for measuring the decentering of the first optical device 4 with respect to the second optical device 5 or the second optical device 5 by relative to the first optical device 4.
  • the device for measuring the decentering comprises a slab 9 photosensitive to optical rays. It is positioned on the induction table 2 or on the bottom of the appliance 1 or the cooking vessel and it makes it possible to locate the position of an optical ray incident thereon.
  • the decentering measuring device is connected to a display device 16 of the position of the incident ray on the photosensitive plate 9 which makes it possible to visualize the relative positions of the two optical devices (4, 5) relative to one another. another in real time, the second optical device 5 being fixed relative to the induction table 2 and the first optical device 4 being movable relative to the induction table 2.
  • the appliance 1 or the cooking vessel or the induction table 2 comprises a user interface 14.
  • This user interface 14 is adapted to receive input control data.
  • This user interface 14 includes tactile or electromechanical keys.
  • the information entered on the user interface 14 can directly control the functions of the element of the electrical household system on which the user interface 14 is located or can be transmitted by the first optical device 4 or by the second optical device 5 to the other element of the household electrical system.
  • the two optical devices (4, 5) can be either aligned or non-aligned.
  • the second optical device 5 of the induction table 2 will receive optical radiation mainly from the reflection of its own optical radiation emitted on the bottom of the appliance. 1 or cooking vessel.
  • the second optical device 5 is adapted to recognize the power of the optical rays received and to deduce that below a certain power threshold of the optical rays received, the first optical device 4 of the household appliance 1 or the cooking vessel is offset from the second optical device 5 of the induction table 2.
  • the display of this shift will be via the display device 16 mentioned above or again via the display 7 or via both at once.
  • the two optical devices (4, 5) When the two optical devices (4, 5) are opposite each other, the one or more optical rays 10 emitted by the first optical device 4 are directly received by the second optical device 5. In this way the threshold necessary power to the second optical device 5 to detect the proper alignment of the first optical device 4 is achieved.
  • the display 7 now indicates by a change of state of the diodes that the two optical devices (4, 5) are aligned and the display device 16 indicates the proper alignment, for example, by the superposition of a luminous point in the center of a cross-shaped reference frame.
  • a two-way data exchange can be done and the control of the induction table 2 is possible either via the appliance 1 or the cooking vessel, or directly via the induction table 2 and in a case as in the other via the user interface 14 which allows to enter control data.
  • a user can control the heating power of the induction table 2 through the appliance 1 or the cooking vessel

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Stoves And Ranges (AREA)
  • Cookers (AREA)
  • Induction Heating Cooking Devices (AREA)

Claims (12)

  1. Elektrisches Haushaltssystem, umfassend ein elektrisches Haushaltsgerät (1) oder ein Kochgefäß, einen Kochtisch (2) und ein Zentriersystem, das vorgesehen ist, um mit dem elektrischen Haushaltsgerät (1) oder dem Kochgefäß und dem Induktionsfeld (2) zu funktionieren, wobei das Induktionsfeld (2) einen Induktionsgenerator (3) umfasst, der vorgesehen ist, um die Energie zu liefern, und der in dem Induktionsfeld (2) positioniert ist, wobei das elektrische Haushaltsgerät (1) oder das Kochgefäß drahtlos durch Energie, die von dem Induktionsgenerator (3) geliefert wird, versorgt und/oder erwärmt werden, wobei das Zentriersystem eine erste optische Vorrichtung (4), die in dem elektrischen Haushaltsgerät (1) oder dem Kochgefäß positioniert ist, und eine zweite optische Vorrichtung (5) umfasst, die in dem Induktionsfeld (2) positioniert ist; wobei die erste optische Vorrichtung (4) vorgesehen ist, um einen oder mehrere optische Strahlen zu erzeugen oder zu empfangen, und wobei die zweite optische Vorrichtung (5) vorgesehen ist, um einen oder mehrere optische Strahlen zu erzeugen oder zu empfangen;
    wobei das Zentriersystem vorgesehen ist, um die Ausrichtung der ersten optischen Vorrichtung (4) relativ zu der zweiten optischen Vorrichtung (5) ausgehend von einem oder mehreren optischen Strahlen (10), die von der ersten optischen Vorrichtung (4) ausgesendet werden und von der zweiten optischen Vorrichtung (5) empfangen werden, oder von einem oder mehreren optischen Strahlen (11) zu erfassen, die von der zweiten optischen Vorrichtung (5) ausgesendet werden und von der ersten optischen Vorrichtung (4) empfangen werden.
  2. Elektrisches Haushaltssystem nach dem vorstehenden Anspruch, dadurch gekennzeichnet, dass das Gerät (1) oder das Kochgefäß einen Induktionsempfänger (6) umfasst, der dazu bestimmt ist, Energie zurückzugewinnen, und dass die erste optische Vorrichtung (4) in der Mitte des Induktionsempfängers (6) positioniert ist, und dass die zweite optische Vorrichtung (5) in der Mitte des Induktionsgenerators (3) positioniert ist.
  3. Elektrisches Haushaltssystem nach dem vorstehenden Anspruch, dadurch gekennzeichnet, dass der Induktionsempfänger (6) und der Induktionsgenerator (3) ausgerichtet sind, wenn die erste optische Vorrichtung (4) einen oder mehrere optische Strahlen (11) empfängt, die von der zweiten optischen Vorrichtung (5) ausgesandt werden, oder wenn die zweite optische Vorrichtung (5) einen oder mehrere optische Strahlen (10) empfängt, die von der ersten optischen Vorrichtung (4) ausgesandt werden und die optischen Strahlen (10, 11) direkt empfangen werden.
  4. Elektrisches Haushaltssystem nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der oder die optischen Strahlen (10, 11), die von der ersten optischen Vorrichtung (4) oder von der zweiten optischen Vorrichtung (5) ausgesandt werden, umfassen:
    - Zustandsdaten des elektrischen Haushaltsgeräts (1) oder des Kochgefäßes oder des Induktionsfelds (2), um den Zustand des elektrischen Haushaltsgeräts (1) oder des Kochgefäßes oder des Induktionsfelds (2) zu kennen, oder
    - Steuerdaten des elektrischen Haushaltsgeräts (1) oder des Kochgefäßes oder des Induktionsfelds (2), um die Funktionsweise des elektrischen Haushaltsgeräts (1) oder des Kochgefäßes oder des Induktionsfelds (2) zu steuern;
    und dass die Zustands- oder Steuerdaten bidirektional zwischen dem elektrischen Haushaltsgerät (1) oder dem Kochgefäß und dem Induktionsfeld (2) über die erste optische Vorrichtung (4) und die zweite optische Vorrichtung (5) nur dann ausgetauscht werden können , wenn die erste optische Vorrichtung (4) und die zweite optische Vorrichtung (5) ausgerichtet sind.
  5. Elektrisches Haushaltssystem nach einem der Ansprüche 1 bis 4 ,dadurch gekennzeichnet, dass das elektrische Haushaltsgerät (1) oder das Kochgefäß oder das Induktionsfeld (2) eine Anzeige (7) umfasst, die es ermöglicht, die Ausrichtung der ersten optischen Vorrichtung (4) zu der zweiten optischen Vorrichtung (5) zu visualisieren.
  6. Elektrisches Haushaltssystem nach dem vorstehenden Anspruch, dadurch gekennzeichnet, dass die Anzeige (7) eine oder mehrere Leuchtdioden umfasst, die in einem ersten Leuchtzustand sind, wenn die erste optische Vorrichtung (4) zu der zweiten optischen Vorrichtung (5) ausgerichtet ist, und die in einem zweiten Leuchtzustand sind, wenn die erste optische Vorrichtung (4) nicht zu der zweiten optischen Vorrichtung (5) ausgerichtet ist.
  7. Elektrisches Haushaltssystem nach einem der vorstehenden Ansprüche dadurch gekennzeichnet, dass das Induktionsfeld (2) eine Vorrichtung (8) zur Visualisierung der Anwesenheit eines elektrische Haushaltsgeräts (1) oder eines Kochgefäßes umfasst, die mit der zweiten optischen Vorrichtung (5) verbunden ist.
  8. Elektrisches Haushaltssystem nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das elektrische Haushaltsgerät (1) oder das Kochgefäß oder das Induktionsfeld (2) eine Vorrichtung zum Messen der Dezentrierung der ersten optischen Vorrichtung (4) relativ zu der zweiten optischen Vorrichtung (5) oder der zweiten optischen Vorrichtung (5) relativ zu der ersten optischen Vorrichtung (4) umfasst.
  9. Elektrisches Haushaltssystem nach dem vorstehenden Anspruch, dadurch gekennzeichnet, dass die Vorrichtung zum Messen der Dezentrierung eine für optische Strahlen lichtempfindliche Platte (9) umfasst, die auf dem Induktionsfeld (2) oder auf dem Boden des elektrischen Haushaltsgeräts (1) oder des Kochgefäßes positioniert ist, und die es ermöglicht, die Position auf der für einen optischen Strahl lichtempfindlichen Platte (9) zu kennen.
  10. Elektrisches Haushaltssystem nach einem der Ansprüche 8 oder 9, dadurch gekennzeichnet, dass das elektrische Haushaltsgerät (1) oder das Kochgefäß oder das Induktionsfeld (2) eine Vorrichtung zum Anzeigen (16) der Position des einfallenden Strahl auf die lichtempfindliche Platte (9) relativ zu der Position der ersten optischen Vorrichtung (4) oder der zweiten optischen Vorrichtung (5) umfasst.
  11. Elektrisches Haushaltssystem nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die erste optische Vorrichtung (4) ein mit einem Mikrocontroller (12) verbundener Infrarostender und/oder -empfänger ist, und dass die zweite optische Vorrichtung (5) ein mit einem Mikrocontroller (13) verbundener Infrarostender und/oder -empfänger ist.
  12. Elektrisches Haushaltssystem nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das elektrische Haushaltsgerät (1) oder das Kochgefäß oder das Induktionsfeld (2) eine Benutzerschnittstelle (14) umfassen, die eingerichtet ist, als Eingabe Steuerdaten zu empfangen, die dazu bestimmt sind, durch die erste optische Vorrichtung (4) oder durch die zweite optische Vorrichtung (5) übertragen zu werden, um mindestens eine Funktion des elektrischen Haushaltsgeräts (1) oder des Kochgefäßes ausgehend von dem Induktionsfeld (2) zu steuern oder mindestens eine Funktion des Induktionsfelds (2) ausgehend von dem elektrischen Haushaltsgerät (1) oder Kochgefäß zu steuern.
EP15810696.3A 2014-12-04 2015-12-03 Infrarotzentrierungssystem für induktionskochfläche Active EP3228154B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1461936A FR3029731B1 (fr) 2014-12-04 2014-12-04 Systeme de centrage infrarouge pour table a induction
PCT/FR2015/053314 WO2016087791A1 (fr) 2014-12-04 2015-12-03 Systeme de centrage infrarouge pour table a induction

Publications (2)

Publication Number Publication Date
EP3228154A1 EP3228154A1 (de) 2017-10-11
EP3228154B1 true EP3228154B1 (de) 2018-11-21

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EP (1) EP3228154B1 (de)
JP (1) JP6276473B2 (de)
CN (1) CN107006081B (de)
FR (1) FR3029731B1 (de)
WO (1) WO2016087791A1 (de)

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WO2023118021A1 (de) * 2021-12-21 2023-06-29 BSH Hausgeräte GmbH Induktionsenergieübertragungssystem

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DE102019114805A1 (de) * 2019-06-03 2020-12-03 Miele & Cie. Kg System, umfassend ein Aufstellgerät und eine Aufstellbasis, und Verfahren zum Betrieb des Systems
WO2023118021A1 (de) * 2021-12-21 2023-06-29 BSH Hausgeräte GmbH Induktionsenergieübertragungssystem

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Publication number Publication date
WO2016087791A1 (fr) 2016-06-09
FR3029731A1 (fr) 2016-06-10
EP3228154A1 (de) 2017-10-11
JP2017536682A (ja) 2017-12-07
CN107006081B (zh) 2020-09-15
FR3029731B1 (fr) 2017-01-27
CN107006081A (zh) 2017-08-01
JP6276473B2 (ja) 2018-02-07

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