WO2013182406A1 - An induction heating cooktop and a wireless kitchen appliance - Google Patents

An induction heating cooktop and a wireless kitchen appliance Download PDF

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Publication number
WO2013182406A1
WO2013182406A1 PCT/EP2013/060317 EP2013060317W WO2013182406A1 WO 2013182406 A1 WO2013182406 A1 WO 2013182406A1 EP 2013060317 W EP2013060317 W EP 2013060317W WO 2013182406 A1 WO2013182406 A1 WO 2013182406A1
Authority
WO
WIPO (PCT)
Prior art keywords
induction heating
coil
induction
heating cooktop
wireless appliance
Prior art date
Application number
PCT/EP2013/060317
Other languages
English (en)
French (fr)
Inventor
Yagiz TEZEL
Onur Yaman
Ahmet Yorukoglu
Sefa Hazir
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Priority to EP13723172.6A priority Critical patent/EP2859776B1/de
Priority to ES13723172.6T priority patent/ES2579157T3/es
Publication of WO2013182406A1 publication Critical patent/WO2013182406A1/en

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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 to an induction heating cooktop and a wireless kitchen appliance that is operated thereon.
  • 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.
  • 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 when the energy is interrupted, 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.
  • a frequency/amplitude measuring unit disposed in the induction heating cooktop measures the amplitude and/or frequency of the signals transmitted to the induction coil through the driver circuit - receiver coil and thus the control unit of the induction heating cooktop recognizes the wireless appliance on the induction heating cooktop by evaluating the signals.
  • the control unit changes to normal operating mode by ending the intermittent operation.
  • 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) of the present invention 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 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 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 and provides the microcontroller (7) to operate the driver circuit (10) by means of the switch (11).
  • the induction heating cooktop (1) comprises a frequency/amplitude measuring unit (14) connected to the induction coil (3), measuring the amplitude and/or frequency of the signals containing information relating to the wireless appliance (2) transmitted from the receiver coil (8) to the induction coil (3) and providing the evaluation of the signals by transmitting them to the control unit (4).
  • the induction heating cooktop (1) comprises the control unit (4) that, upon detecting a ferromagnetic cooking vessel like pot or pan, not having an apparatus providing communication, is placed thereon, provides the induction coil (3) to transfer continuous power to the cooking vessel on the induction heating cooktop (1) by ending intermittent operation mode.
  • Cooking vessels with ferromagnetic properties are also used on the induction heating cooktop (1) for cooking operations.
  • the control unit (4) Upon detecting that this type of vessel is placed on the induction heating cooktop (1) during intermittent operation, communication is no longer required and the control unit (4) provides the induction coil (3) to change to the continuous operation mode by ending the intermittent operation mode.
  • 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.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Induction Heating Cooking Devices (AREA)
PCT/EP2013/060317 2012-06-06 2013-05-18 An induction heating cooktop and a wireless kitchen appliance WO2013182406A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13723172.6A EP2859776B1 (de) 2012-06-06 2013-05-18 Drahtlose küchenvorrichtung
ES13723172.6T ES2579157T3 (es) 2012-06-06 2013-05-18 Aparato de cocina inalámbrico

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TRA2012/06624 2012-06-06
TR201206624 2012-06-06

Publications (1)

Publication Number Publication Date
WO2013182406A1 true WO2013182406A1 (en) 2013-12-12

Family

ID=48446387

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/060317 WO2013182406A1 (en) 2012-06-06 2013-05-18 An induction heating cooktop and a wireless kitchen appliance

Country Status (3)

Country Link
EP (1) EP2859776B1 (de)
ES (1) ES2579157T3 (de)
WO (1) WO2013182406A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2916432A1 (de) * 2014-03-06 2015-09-09 Electrolux Appliances Aktiebolag Elektrische Vorrichtung
EP2945462A1 (de) * 2014-05-16 2015-11-18 Electrolux Appliances Aktiebolag Verfahren und Vorrichtung zur Bereitstellung eines eindeutigen Identifikators an eine Induktionsspule eines Kochfelds
EP3211322A4 (de) * 2014-07-26 2018-08-08 Won Young Seo Intelligenter elektrischer bereich
EP3255958A4 (de) * 2015-02-02 2018-10-24 Mitsubishi Electric Corporation Vorrichtung zur kontaktlosen stromübertragung, elektrische vorrichtung und system zur kontaktlosen stromübertragung
EP3654494A4 (de) * 2017-07-13 2020-07-29 Mitsubishi Electric Corporation Kontaktloses energieversorgungssystem
WO2023240309A1 (en) * 2022-06-14 2023-12-21 Breville Pty Limited System and method of powering and communicating with accessories

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR201604473A2 (tr) 2016-04-06 2017-10-23 Arcelik As Üzeri̇nde mutfak ci̇hazi çaliştirilan i̇ndüksi̇yon isiticili ocak
WO2022233659A1 (de) * 2021-05-03 2022-11-10 BSH Hausgeräte GmbH Induktionsenergieversorgungsvorrichtung
WO2022233660A1 (de) * 2021-05-03 2022-11-10 BSH Hausgeräte GmbH Induktionsenergieübertragungssystem
WO2023167833A1 (en) * 2022-03-01 2023-09-07 General Electric Company Object detection techniques in a multi-function hob

Citations (6)

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Publication number Priority date Publication date Assignee Title
WO1999041950A2 (en) 1998-02-10 1999-08-19 Aktiebolaget Electrolux A control system for use with induction heating cooktops
EP1571889A1 (de) * 2004-03-03 2005-09-07 Electrolux Home Products Corporation N.V. Kochfeld mit kontakloser Mehrzweck-Vorrichtung
EP1708545A2 (de) * 2005-03-31 2006-10-04 BSH Bosch und Siemens Hausgeräte GmbH Induktionsheizgerät
WO2007107888A2 (en) * 2006-03-23 2007-09-27 Access Business Group International Llc System and method for food preparation
WO2010080738A1 (en) 2009-01-06 2010-07-15 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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999041950A2 (en) 1998-02-10 1999-08-19 Aktiebolaget Electrolux A control system for use with induction heating cooktops
EP1571889A1 (de) * 2004-03-03 2005-09-07 Electrolux Home Products Corporation N.V. Kochfeld mit kontakloser Mehrzweck-Vorrichtung
EP1708545A2 (de) * 2005-03-31 2006-10-04 BSH Bosch und Siemens Hausgeräte GmbH Induktionsheizgerät
WO2007107888A2 (en) * 2006-03-23 2007-09-27 Access Business Group International Llc System and method for food preparation
US7355150B2 (en) 2006-03-23 2008-04-08 Access Business Group International Llc Food preparation system with inductive power
WO2010080738A1 (en) 2009-01-06 2010-07-15 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 (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2916432A1 (de) * 2014-03-06 2015-09-09 Electrolux Appliances Aktiebolag Elektrische Vorrichtung
WO2015132114A1 (en) * 2014-03-06 2015-09-11 Electrolux Appliances Aktiebolag Electrical device
EP2945462A1 (de) * 2014-05-16 2015-11-18 Electrolux Appliances Aktiebolag Verfahren und Vorrichtung zur Bereitstellung eines eindeutigen Identifikators an eine Induktionsspule eines Kochfelds
WO2015173082A1 (en) * 2014-05-16 2015-11-19 Electrolux Appliances Aktiebolag Method and device for providing a unique identifier to a hob induction coil
CN106165532A (zh) * 2014-05-16 2016-11-23 伊莱克斯家用电器股份公司 用于给灶具感应线圈提供唯一标识符的方法和装置
US10187932B2 (en) 2014-05-16 2019-01-22 Electrolux Appliances Aktiebolag Method and device for providing a unique identifier to a hob induction coil
CN106165532B (zh) * 2014-05-16 2019-11-29 伊莱克斯家用电器股份公司 用于给灶具感应线圈提供唯一标识符的方法和装置
EP3211322A4 (de) * 2014-07-26 2018-08-08 Won Young Seo Intelligenter elektrischer bereich
EP3255958A4 (de) * 2015-02-02 2018-10-24 Mitsubishi Electric Corporation Vorrichtung zur kontaktlosen stromübertragung, elektrische vorrichtung und system zur kontaktlosen stromübertragung
EP3654494A4 (de) * 2017-07-13 2020-07-29 Mitsubishi Electric Corporation Kontaktloses energieversorgungssystem
US11337280B2 (en) 2017-07-13 2022-05-17 Mitsubishi Electric Corporation Wireless power transfer system
WO2023240309A1 (en) * 2022-06-14 2023-12-21 Breville Pty Limited System and method of powering and communicating with accessories

Also Published As

Publication number Publication date
ES2579157T3 (es) 2016-08-05
EP2859776A1 (de) 2015-04-15
EP2859776B1 (de) 2016-04-27

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