EP2859776B1 - Appareil de cuisine sans fil - Google Patents

Appareil de cuisine sans fil Download PDF

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Publication number
EP2859776B1
EP2859776B1 EP13723172.6A EP13723172A EP2859776B1 EP 2859776 B1 EP2859776 B1 EP 2859776B1 EP 13723172 A EP13723172 A EP 13723172A EP 2859776 B1 EP2859776 B1 EP 2859776B1
Authority
EP
European Patent Office
Prior art keywords
induction heating
coil
receiver coil
wireless appliance
microcontroller
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
EP13723172.6A
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German (de)
English (en)
Other versions
EP2859776A1 (fr
Inventor
Yagiz TEZEL
Onur Yaman
Ahmet Yorukoglu
Sefa Hazir
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.)
Arcelik AS
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Arcelik AS
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Publication date
Application filed by Arcelik AS filed Critical Arcelik AS
Publication of EP2859776A1 publication Critical patent/EP2859776A1/fr
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Publication of EP2859776B1 publication Critical patent/EP2859776B1/fr
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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
    • H05B6/10—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
    • H05B6/1236—Cooking devices induction cooking plates or the like and devices to be used in combination with them adapted to induce current in a coil to supply power to a device and electrical heating devices powered in this way
    • 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 relates a wireless kitchen appliance to be operated in an induction heating cooktop.
  • the use of kitchen appliances that are operated with the principle of wireless power transmission on the induction heating cooktop is known.
  • the wireless kitchen appliances are ferromagnetic heating vessels like pots and pans, active heating devices like kettle, coffee machine, toaster or electromechanical devices like mixer, blender that are operated with the electric motor.
  • Communication means like RFID, Wi-Fi that send RF communication signals are used for providing communication of the wireless kitchen appliances with the induction heating cooktop.
  • an RF transmitting antenna is disposed on the wireless kitchen appliance and an RF receiving antenna on the induction heating cooktop and thus data transfer between the appliance - cooktop is provided.
  • the induction heating cooktop detects what type of wireless appliance is placed thereon and the wireless appliance is provided to control the induction heating cooktop.
  • the wireless appliance is a kettle
  • the heating temperature is adjusted by means of the user interface thereon and the induction heating cooktop is provided to heat the wireless appliance depending on the adjusted heating temperature thereon.
  • Some problems are encountered in the use of the said communication means like RFID, Wi-Fi.
  • the magnetic field created by the induction coils disposed in the induction heating cooktop adversely affects the signal transmittance of the communication means.
  • the RF receiving antenna being located on the control card in the induction heating cooktop, can contact the components in the control card and thus its signal receiving is disrupted.
  • the communication signals get mixed up and operating more than one wireless appliance on the induction heating cooktop is not possible.
  • the RF transmitting and receiving antennas project outwards both from the wireless appliance and from the induction heating cooktop and there is not enough area for concealing the antennas.
  • the cost of the said communication means is quite high.
  • the International Patent Application No. WO9941950 relates to a cooking vessel that is used in induction heating cooktops.
  • the International Patent Application No. WO2010080738 relates to a smart cookware that is wirelessly operated with an inductive power supply.
  • the United States Patent No. US7355150 relates to a cooking appliance that is energized with a non-contact power supply.
  • the aim of the present invention is the realization of an induction heating cooktop and a wireless kitchen appliance wherein data transfer is provided therebetween without using communication means like RFID, Wi-Fi.
  • Data transfer is provided between an induction heating cooktop and the wireless kitchen appliance (will be referred to as "wireless appliance") realized in order to attain the aim of the present invention and explicated in the first claim and the respective claims thereof.
  • the induction heating cooktop recognizes the wireless appliance placed thereon and thus operates the wireless appliance by supplying the suitable power depending on its type and the settings entered by the user.
  • the data relating to identification information and operational parameters are recorded in the microcontroller of the wireless appliance.
  • the control unit of the induction heating cooktop drives the induction coil intermittently and in periods wherein energy is interrupted, the information relating to the wireless appliance is provided to be introduced to the control unit of the induction heating cooktop by sending signals from the wireless appliance to the induction heating cooktop.
  • Signals describing the wireless appliance are sent to the control unit of the induction heating cooktop by means of a driver circuit disposed in the wireless appliance.
  • the driver circuit generates signals with changing amplitude and/or frequency in accordance with identification information and operating parameters recorded in the microcontroller of the wireless appliance and these signals are delivered to the control unit of the induction heating cooktop via the receiver coil - induction coil.
  • the microcontroller and the driver circuit in the wireless appliance are fed from a buffer capacitor disposed on the wireless appliance.
  • the microcontroller of the wireless appliance detects that energy is turned off by means of a voltage measuring unit disposed in the wireless appliance and provides the sending of signals to the induction heating cooktop by activating the driver circuit by means of a switch.
  • Data transmission between the induction heating cooktop and the wireless appliance operated thereon is provided without using high cost communication means like RFID tag, Wi-Fi, receiving-transmitting antennas, etc. and communication errors are minimized.
  • Figure 1 - is the schematic view of an induction heating cooktop and a wireless kitchen appliance operated thereon.
  • the induction heating cooktop (1) suitable for operating one or more than one wireless kitchen appliance (2) (will be referred to as "wireless appliance") thereon comprises one or more than one induction coil (3), a control unit (4) for example a microprocessor and an inverter (5) connected to the control unit (4) that converts the AC mains voltage into DC voltage by switching and drives the induction coil (3).
  • the wireless appliance (2) suitable for being operated on an induction heating cooktop (1), comprises a user interface (6) having a display and a keypad that provides monitoring and controlling of the operating parameters like temperature, motor speed, one or more than one sensor (not shown in the figures), a microcontroller (7) in the memory of which the data relating to identification information and operating parameters of the wireless appliance (2) are recorded, a receiver coil (8) that energizes the microcontroller (7) by partially collecting the power generated by the induction coil (3) in the induction heating cooktop (1), and a voltage regulating circuit (9) that supplies not only the microcontroller (7), but also the user interface (6) and the sensors with low value DC voltage with the power received from the induction coil (3) by the receiver coil (8).
  • the induction heating cooktop (1) comprises the control unit (4) that provides the induction coil (3) to transfer power to the wireless appliance (2) intermittently and to receive information relating to the wireless appliance (2) through the induction coil (3) in periods wherein power transfer is interrupted.
  • the wireless appliance (2) of the present invention comprises a driver circuit (10) connected to the microcontroller (7) and the receiver coil (8), generating signals with changing amplitude and/or frequency depending on the identification information in the memory of the microcontroller (7) and the operating parameters entered from the user interface (6), driving the receiver coil (8) in the periods the power transferred from the induction coil (3) of the induction heating cooktop (1) whereon the wireless appliance (2) is operated is interrupted and providing the signals to be transmitted to the induction heating cooktop (1) through the induction coil (3).
  • a driver circuit (10) connected to the microcontroller (7) and the receiver coil (8), generating signals with changing amplitude and/or frequency depending on the identification information in the memory of the microcontroller (7) and the operating parameters entered from the user interface (6), driving the receiver coil (8) in the periods the power transferred from the induction coil (3) of the induction heating cooktop (1) whereon the wireless appliance (2) is operated is interrupted and providing the signals to be transmitted to the induction heating cooktop (1) through the induction coil (3).
  • Power is transferred from the induction coil (3) to the wireless appliance (2) by bringing the power adjustment button in the induction heating cooktop (1) to any adjustment setting, for example the lowest level, while the wireless appliance (2) is operated on the induction heating cooktop (1).
  • the control unit (4) provides the induction coil (3) to transfer power to the receiver coil (8) disposed in the wireless appliance (2) intermittently by means of the inverter (5).
  • the control unit (4) operates the induction coil (3) by interrupting power transfer, for example for 10 ms (milliseconds) every second and by transferring power for 990 ms.
  • the microcontroller (7) energized by the receiver coil (8) provides variable frequency and/or amplitude voltage signals containing wireless appliance (2) information to be transmitted to the receiver coil (8) by activating the driver circuit (10) in the said interruption periods.
  • the signals are transmitted from the receiver coil (8) to the induction coil (3) and the control unit (4) in the induction heating cooktop (1), providing the control unit (4) to be informed about the wireless appliance (2).
  • the control unit (4) detects the identification information of the wireless appliance (2) placed on the induction heating cooktop (1), which type (kettle, coffeemaker, toaster, mixer, chopper etc.) the wireless appliance (2) is and the operating parameters entered by means of the user interface (6), for example heating setting or motor speed, and provides the wireless appliance (2) to be operated on the induction heating cooktop (1) at the required power level.
  • the wireless appliance (2) commands the induction heating cooktop (1) by means of the driver circuit (10) in accordance with the operating parameters entered from the user interface (6).
  • the communication system provides the identification information and the operating parameters of the wireless appliance (2) to be recognized by the induction heating cooktop (1) without using communication means like RFID, Wi-Fi.
  • the wireless appliance (2) comprises a voltage measuring unit (13) that provides the detection of the periods when the power transfer from the induction coil (3) is interrupted by measuring the voltage on the receiver coil (8).
  • the voltage measuring unit (13) reads zero voltage on the receiver coil (8) and informs the microcontroller (7) about interruption of power transfer from the induction coil (3) by transmitting signals thereto.
  • the wireless appliance (2) comprises a switch (11) disposed between the driver circuit (10) and the receiver coil (8), controlled by the microcontroller (7) and which provides signals to be transmitted to the receiver coil (8) by activating the driver circuit (10) in periods when the power transferred from the induction coil (3) to the receiver coil (8) is interrupted.
  • the wireless appliance (2) comprises the voltage regulating circuit (9) having a rectifier (D) and a buffer capacitor (12), and the driver circuit (10) connected to the buffer capacitor (12) and receiving the energy required for driving the receiver coil (8) from the buffer capacitor (12) in periods when the power transferred from the induction coil (3) to the wireless appliance (2) is interrupted.
  • the microcontroller (7) is also fed from the buffer capacitor (12) in periods when the power transferred from the induction heating cooktop (1) to the wireless appliance (2) is interrupted.
  • the identification information and the operating parameters of the wireless appliance (2) are transmitted safely to the induction heating cooktop (1) in periods when power transfer from the induction heating cooktop (1) to the wireless appliance (2) is interrupted by means of the driver circuit (10) connected to the microcontroller (7) and the receiver coil (8), that are disposed in the wireless appliance (2) operated wirelessly on the induction heating cooktop (1).
  • the wireless appliance (2) is provided to be recognized by the control unit (4) of the induction heating cooktop (1) with the evaluation of the signals received from the wireless appliance (2).
  • Data transmission between the wireless appliance (2) and the induction heating cooktop (1) is provided without requiring high cost and difficult to use communication means like RFID, Wi-Fi.

Claims (3)

  1. Un appareil sans fil (2), qui est adapté à être utilisé sur une table de cuisson à chauffage par induction (1) présentant une ou plusieurs bobines d'induction (3), l'appareil sans fil (2) comprenant une interface utilisateur (6) qui permet la surveillance et le contrôle des paramètres opérationnels, un microcontrôleur (7) dans la mémoire duquel les données relatives aux informations d'identification et aux paramètres opérationnels sont enregistrées, une bobine réceptrice (8) qui excite le microcontrôleur (7) en recueillant partiellement l'énergie générée par la bobine d'induction (3) et un circuit de régulation de tension (9), caractérisé par un circuit d'entraînement (10) qui est connecté au microcontrôleur (7) et à la bobine d'induction (8), qui génère des signaux à amplitude et/ou fréquence variable en fonction des informations d'identification dans la mémoire du microcontrôleur (7) et les paramètres opérationnels entrés par l'interface utilisateur (6), qui entraîne la bobine réceptrice (8) dans des périodes où l'énergie transférée de la table de cuisson à chauffage par induction (1) est interrompue et qui permet la transmission des signaux à la table de cuisson à chauffage par induction (1) à travers la bobine d'induction (3),
    où une unité de mesure de tension (13) permet la détection des périodes où la tension transférée de la bobine d'induction (3) est interrompue en mesurant la tension sur la bobine réceptrice (8).
  2. Un appareil sans fil (2) selon la Revendication 1, caractérisé par un interrupteur (11) qui est disposé entre le circuit d'entraînement (10) et la bobine réceptrice (8), qui est contrôlé par le microcontrôleur (7) et qui permet la transmission des signaux à la bobine réceptrice (8) en activant le circuit d'entraînement (10) dans des périodes où l'énergie transférée de la bobine d'induction (3) à la bobine réceptrice (8) est interrompue.
  3. Un appareil sans fil (2) selon la Revendication 1 ou 2, caractérisé par un condensateur tampon (12) et le circuit d'entraînement (10) qui reçoit l'énergie nécessaire pour entraîner la bobine réceptrice (8) du condensateur tampon (12).
EP13723172.6A 2012-06-06 2013-05-18 Appareil de cuisine sans fil Active EP2859776B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201206624 2012-06-06
PCT/EP2013/060317 WO2013182406A1 (fr) 2012-06-06 2013-05-18 Table de cuisson à chauffage par induction et appareil de cuisine sans fil

Publications (2)

Publication Number Publication Date
EP2859776A1 EP2859776A1 (fr) 2015-04-15
EP2859776B1 true EP2859776B1 (fr) 2016-04-27

Family

ID=48446387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13723172.6A Active EP2859776B1 (fr) 2012-06-06 2013-05-18 Appareil de cuisine sans fil

Country Status (3)

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EP (1) EP2859776B1 (fr)
ES (1) ES2579157T3 (fr)
WO (1) WO2013182406A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022233660A1 (fr) * 2021-05-03 2022-11-10 BSH Hausgeräte GmbH Système de transmission d'énergie par induction
WO2022233659A1 (fr) * 2021-05-03 2022-11-10 BSH Hausgeräte GmbH Dispositif d'alimentation en énergie par induction
WO2023167833A1 (fr) * 2022-03-01 2023-09-07 General Electric Company Techniques de détection d'objet dans une plaque de cuisson multifonction

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2916432A1 (fr) * 2014-03-06 2015-09-09 Electrolux Appliances Aktiebolag Dispositif électrique
EP2945462B1 (fr) * 2014-05-16 2017-03-22 Electrolux Appliances Aktiebolag Procédé et dispositif pour fournir un identificateur unique à une plaque de bobine d'induction
KR20160012849A (ko) * 2014-07-26 2016-02-03 서원영 지능형 전기레인지
WO2016125227A1 (fr) * 2015-02-02 2016-08-11 三菱電機株式会社 Dispositif de transmission d'énergie sans contact, appareil électrique, et système de transmission d'énergie sans contact
TR201604473A2 (tr) 2016-04-06 2017-10-23 Arcelik As Üzeri̇nde mutfak ci̇hazi çaliştirilan i̇ndüksi̇yon isiticili ocak
JP6667725B2 (ja) 2017-07-13 2020-03-18 三菱電機株式会社 非接触給電システム
WO2023240309A1 (fr) * 2022-06-14 2023-12-21 Breville Pty Limited Système et procédé d'alimentation et de communication avec des accessoires

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2411599A (en) 1998-02-10 1999-08-30 Aktiebolaget Electrolux A control system for use with induction heating cooktops
EP1571889A1 (fr) * 2004-03-03 2005-09-07 Electrolux Home Products Corporation N.V. Plaque de cuisson possédant un dispositif multi-fonctions sans contact.
ES2284317B1 (es) * 2005-03-31 2008-07-16 Bsh Electrodomesticos España, S.A. Aparato de calentamiento por induccion.
US7355150B2 (en) * 2006-03-23 2008-04-08 Access Business Group International Llc Food preparation system with inductive power
US9955529B2 (en) 2009-01-06 2018-04-24 Access Business Group International Llc Smart cookware
DE102010039071A1 (de) * 2010-08-09 2012-02-09 BSH Bosch und Siemens Hausgeräte GmbH Aufsatz-Haushaltskleingerät und Betriebsgerät zum Betreiben eines Aufsatz-Haushaltskleingeräts und System mit dem Aufsatz-Haushaltskleingerät und dem Betriebsgerät

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022233660A1 (fr) * 2021-05-03 2022-11-10 BSH Hausgeräte GmbH Système de transmission d'énergie par induction
WO2022233659A1 (fr) * 2021-05-03 2022-11-10 BSH Hausgeräte GmbH Dispositif d'alimentation en énergie par induction
WO2023167833A1 (fr) * 2022-03-01 2023-09-07 General Electric Company Techniques de détection d'objet dans une plaque de cuisson multifonction

Also Published As

Publication number Publication date
EP2859776A1 (fr) 2015-04-15
WO2013182406A1 (fr) 2013-12-12
ES2579157T3 (es) 2016-08-05

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