EP3524889A1 - Appareil de cuisson dotée d'une station de base destinée à la charge sans fil d'un appareil mobile - Google Patents

Appareil de cuisson dotée d'une station de base destinée à la charge sans fil d'un appareil mobile Download PDF

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Publication number
EP3524889A1
EP3524889A1 EP19155213.2A EP19155213A EP3524889A1 EP 3524889 A1 EP3524889 A1 EP 3524889A1 EP 19155213 A EP19155213 A EP 19155213A EP 3524889 A1 EP3524889 A1 EP 3524889A1
Authority
EP
European Patent Office
Prior art keywords
cooking appliance
mobile device
appliance according
cooking
base station
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.)
Withdrawn
Application number
EP19155213.2A
Other languages
German (de)
English (en)
Inventor
Clemens Herlitzius
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.)
V-Zug AG
Original Assignee
V-Zug AG
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 V-Zug AG filed Critical V-Zug AG
Publication of EP3524889A1 publication Critical patent/EP3524889A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F24C7/083—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on tops, hot plates
    • 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
    • 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
    • H05B2213/03—Heating plates made out of a matrix of heating elements that can define heating areas adapted to cookware randomly placed on the heating plate

Definitions

  • the invention relates to a cooking appliance with extended functionality.
  • Cooking appliances can be found in all kitchens. However, research shows that such devices are unused most of the time.
  • the cooking appliance has a device surface and a base station arranged at the device surface for the wireless charging of at least one mobile device.
  • a “base station for the wireless charging of at least one mobile device” is to be understood as a device which, without modification, is suitable for charging at least one type of mobile device.
  • the base station is preferably designed to load mobile devices compatible with the Qi standard, in particular with the Qi standard 1.x.y., in particular with the Qi standard 1.2.y, in particular with the Qi standard 1.2.2.
  • a “base station arranged at the device surface” is to be understood as meaning a base station in which at least the energy-emitting part is arranged at the device surface such that a mobile device located on the device surface can be charged.
  • Individual components of the base station which are not directly concerned with the emission of energy, e.g. Control and driver blocks, can also be located at a greater distance from the device surface.
  • the base station has at least one alternator and at least one primary coil fed by the alternator, so that a magnetic alternating field for charging the mobile device can be generated.
  • the alternator is configured to generate an alternating current having a frequency between 100 kHz and 200 kHz. This is the frequency with which most common standards, especially the Qi standard, work.
  • the device may have a platen having a first side for receiving the mobile device and a second side on which the at least one primary coil is disposed.
  • the support plate is made of a non-ferromagnetic, non-conductive material, in particular of a glass-ceramic, so that it can be used e.g. can serve as a hob or as another robust surface.
  • a non-ferromagnetic, non-conductive material in particular of a glass-ceramic
  • Other materials are conceivable, as far as they have the necessary electromagnetic, thermal and mechanical properties for the particular application and can be made so thin that the charging function is not affected.
  • the cooking appliance has multiple primary coils, allowing more freedom in positioning the mobile device.
  • the primary coils can be acted upon individually and / or jointly with alternating current.
  • the cooking appliance can be configured in one embodiment as a hob and at least one inductive heating coil for cooking food.
  • the primary coil may be formed by the heating coil, which simplifies the device structure.
  • the primary coil may not be identical to the heating coil, i. These are two different components. In this case, the primary coil can be better optimized for its intended use.
  • the cooking appliance has a detection device.
  • This is designed to detect an on-surface mobile device.
  • the base station can be activated as needed, and / or it is possible to modify certain functions of the cooking appliance upon detection of the mobile device.
  • the cooking appliance may be configured to detect a surface at detection mobile device to deactivate at least part of the cooking functions of the cooking appliance. In this way, damage to the mobile device, eg due to heat or strong alternating fields, can be avoided.
  • the heating element may be, for example, an inductive or resistive heating element, or it may be, for example, the gas burner of a gas range. This can be disabled upon detection of the mobile device, ie prevented from exercising a heating function for food preparation.
  • the cooking appliance may also be configured to charge the mobile device upon detection thereof by operating the base station according to the charging standard of the mobile device.
  • the detection device may be configured to apply AC signals to the primary coil and to detect a response signal of the mobile device.
  • This response signal is preferably detected via the primary coil.
  • this may be the "digital ping" of the Qi standard. In this way, a mobile device can be detected in the area of the primary coil.
  • the detection device may be configured to act on the heating coil with AC signals and to detect a response signal of the mobile device.
  • This response signal is preferably detected via the heating coil.
  • this may also be the "digital ping" of the Qi standard. In this way, a mobile device can be detected in the area of the heating coil.
  • the device surface in which the base station is arranged is advantageously horizontally oriented, so that the mobile device can be stored thereon.
  • the cooking appliance is a hob, in particular an induction hob.
  • the mentioned surface is designed with advantage for receiving the cooking vessels during the food preparation, i. it is the actual hob surface.
  • the cooking appliance has a heatable cavity.
  • the cavity is preferably a drawer whose bottom forms the surface.
  • the cooking chamber of a baking oven is used for this purpose.
  • the invention also relates to the use of such a cooking device for wireless charging of at least one mobile device
  • Fig. 1 and 2 show a first embodiment of a cooking appliance in the form of a hob.
  • the hob has a horizontally arranged support plate 1, which forms the device surface 1A. It consists with advantage of glass ceramic.
  • one or more heating elements 2 are arranged in a conventional manner to heat arranged on the support plate 1 cooking vessels.
  • the heating elements 2 may be e.g. to act resistive heating elements, which directly generate heat from electric current. However, it may also be inductive heating elements, which are designed as inductive heating coils and can generate eddy currents in the bottom of the cooking vessel via a magnetic alternating field. Furthermore, it can also be gas burners.
  • the apparatus further has a controller 3, which e.g. a microprocessor and memory for data and programs may have. Further, a driver 4 is provided for the heating elements 2.
  • a controller 3 which e.g. a microprocessor and memory for data and programs may have.
  • a driver 4 is provided for the heating elements 2.
  • the driver 4 is driven by a heating module 5 of the controller 3.
  • the heating module 5 can be designed as a software module and / or in hardware. It controls the functions of the driver 4 and the heating elements 2 in a manner known per se in response to user input.
  • a user interface 6 is provided, via which the user controls the device.
  • the User interface usually also has display elements, via which the device displays the status of the device to the user, for example.
  • the cooking appliance further has at least one base station 7 for the wireless charging of at least one mobile device.
  • the base station 7 is executed substantially independently of the heating elements 2 of the cooking appliance.
  • it is a base station with a single primary coil according to the specification of the Qi standard and / or a coil or antenna according to one of the other standards mentioned above.
  • the base station 7 is compatible with devices of the Qi standard.
  • the base station 7 has a primary coil 8, which is arranged on the underside of the support plate 1.
  • the primary coil 8 forms a resonant oscillating circuit in combination with a capacitor 9 and is driven by an alternator 10.
  • a signal detector 11 is provided to detect a mobile device in the area of the base station. This process is described in more detail below.
  • the controller 3 has a base station module 12 which is e.g. can be implemented as software and / or hardware. It has a control unit 14 for driving the alternator 10 and the primary coil 8 and a receiving unit 16 for receiving signals of the signal detector 11.
  • the primary coil 8 may be arranged in an area outside the heating elements 2, which makes it less likely that the user will accidentally deposit the mobile device on a hot heating element 2.
  • Fig. 1 shows several additional or alternative positions 8a, 8b, 8c, 8d, 8e for the primary coil 8 outside the heating elements.
  • the primary coil 8 can also be arranged within a heating element 2, cf. e.g. Position 8f.
  • a positioning aid for aligning the mobile device is arranged in the area of the primary coil 8, e.g. in the form of a marker or a permanent magnet.
  • the marking may be e.g. to act on a printed on the platen (in particular printed) symbol and / or, for example. also a lighting element.
  • the signal detector 11 and the receiving unit 16 together form a detection unit, e.g. according to the Qi standard, with which it can be detected whether a mobile device is located in the area of the primary coil 8.
  • the base station module 12 generates an AC voltage in the primary coil, e.g. with a frequency between 100 - 200 kHz and a duration of 65 - 70 ms as "digital ping" according to the Qi standard.
  • the base station module 12 detects whether the signal detector 11 receives a valid response from a mobile device, e.g. a data package in accordance with the Qi standard.
  • the base station and the mobile device can agree on a charging phase and then start charging.
  • the base station module 12 again generates an AC voltage in the primary coil, eg at a frequency between 100-200 kHz, whose alternating field is picked up by the mobile device and converted into electrical energy in order to charge its battery.
  • the controller 3 advantageously disables at least a portion of the functions of the cooking device, particularly those functions that may damage the mobile device.
  • the base station module 12 deactivates at least a portion of the heating elements 2, namely those adjacent to the primary coil, or even all the heating elements 2.
  • the device is advantageously configured to perform a detection of a mobile device also via the heating coil and to deactivate the heating coil in the presence of the mobile device.
  • each heating coil is operated for a short time (i.e., for 65-70 ms) at a frequency of 100-200 kHz to generate a digital ping according to the Qi standard, whereupon a response signal is detected.
  • the base station 7 in each case comprises a single primary coil, possibly a plurality of spaced-apart, independently operable primary coils.
  • base station 7 may also include an array of adjacent or overlapping primary coils, eg, according to one of the B-designs of the Qi standard. A corresponding design is in Fig. 3 shown.
  • Fig. 4 and 5 show an embodiment in which the primary coil 8 is formed by one of the heating coils 2 of the cooking appliance.
  • the base station module 12 cooperates with the heating module 5 to over one or more of the heating coils 2 to operate an alternating magnetic field with a frequency and voltage that is compatible with the respective charging standard.
  • heating coils 2 are usually operated in an induction hob with voltages of several hundred volts and frequencies below 100 kHz. To use them as primary coils e.g. According to the Qi standard, the current must be reduced and the frequency increased.
  • an adjustable voltage supply 18 may be provided for the heating coils 2, and the frequency may optionally be raised in the range of 100-200 kHz.
  • the current through the heating coils 2 can be reduced by means of pulse width modulation.
  • the current through the heating coils 2 can be reduced by making the heating coils part of a frequency-dependent load whose impedance is higher in the range of 100-200 kHz than in the frequency range of 25-50 kHz usually used in induction cookers for heating ,
  • the heating coils 2 with a signal detector 11 analogous to the embodiment according to Fig. 2 connected to receive response signals of the mobile devices, that is, in this case, a detection device is provided.
  • a positioning aid 20 may be provided for aligning the mobile device, e.g. in the form of a marker or permanent magnet to provide the user with assistance in positioning the mobile device relative to the heating or primary coils 2, 8.
  • induction hobs are known in which the device surface 1A of a plurality of heating coils 2 in a regular, eg hexagonal Pattern is covered and the adaptive can be configured to heating zones, depending on where the user puts the cooking vessel.
  • Such a device is in Fig. 6 shown.
  • the heating coils 2 can be used as primary coils 8.
  • a plurality of overlapping staggered sets of coils 8a, 8b, 8c may be provided, corresponding to e.g. the designs B1 or B2 of the Qi standard.
  • one part of the coil sets can be used only for charging the mobile device while another part of the coil sets has both charging and heating functions.
  • the cooking appliances shown so far are hobs on which cooking vessels can be heated.
  • Fig. 7 shows a cooking appliance with two heatable cavities 22, 24. Specifically, it is, for example, the cooking chamber 22 of a baking oven and a heat retention drawer or (unheated) drawer device 24th
  • a base station 7 can be arranged to load a mobile device positioned there.
  • the cavity can also be a dedicated cavity only for this purpose, which is designed, for example, in the form of a drawer.
  • This drawer preferably has a height of at most 5 cm, since the devices to be charged are usually not very much.
  • Fig. 8 There are also known as combination cooking fields, such as in Fig. 8 shown, in which individual cooktop modules 26a - 26d are combined. These have different functions, eg as heating plates, Teppan Yaki, warming trays, etc., which the user can freely combine with each other when ordering the device.
  • a hob module in Fig. 8 the hob module 26d
  • the mobile device that can be loaded with the described device is e.g. a mobile phone, a tablet, a mobile computer, a thermometer, a scale or other device with a wirelessly rechargeable battery.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
EP19155213.2A 2018-02-12 2019-02-04 Appareil de cuisson dotée d'une station de base destinée à la charge sans fil d'un appareil mobile Withdrawn EP3524889A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00168/18A CH714640B1 (de) 2018-02-12 2018-02-12 Gargerät mit einer Basisstation zum drahtlosen Laden eines Mobilgeräts.

Publications (1)

Publication Number Publication Date
EP3524889A1 true EP3524889A1 (fr) 2019-08-14

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EP19155213.2A Withdrawn EP3524889A1 (fr) 2018-02-12 2019-02-04 Appareil de cuisson dotée d'une station de base destinée à la charge sans fil d'un appareil mobile

Country Status (2)

Country Link
EP (1) EP3524889A1 (fr)
CH (1) CH714640B1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020109483A1 (de) * 2020-04-06 2021-06-24 Miele & Cie. Kg Induktives Küchensystem
DE102020109480A1 (de) 2020-04-06 2021-10-07 Miele & Cie. Kg Induktives Küchensystem
DE102020109484A1 (de) 2020-04-06 2021-10-07 Miele & Cie. Kg Induktives Küchensystem
DE102020121052A1 (de) 2020-08-11 2022-02-17 Miele & Cie. Kg Sicherheitsvorrichtung für ein Kochfeld, Identifikationseinrichtung, Kochsystem und Verfahren zum Betreiben einer Sicherheitsvorrichtung
EP4203240A1 (fr) * 2021-12-22 2023-06-28 Miele & Cie. KG Procédé et unité de commande pour faire fonctionner un appareil ménager et appareil ménager
EP4203241A1 (fr) * 2021-12-22 2023-06-28 Miele & Cie. KG Appareil ménager et procédé de fonctionnement d'un appareil ménager
DE102023129435A1 (de) 2023-10-25 2025-04-30 Miele & Cie. Kg Verfahren und Steuereinheit zum Betreiben eines Kochfelds und Kochfeld

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10160086A1 (de) * 2000-12-19 2002-07-11 Bsh Balay Sa Induktionsofen
EP2456039A2 (fr) * 2010-11-12 2012-05-23 BSH Bosch und Siemens Hausgeräte GmbH Appareil ménager et procédé de fonctionnement d'un appareil ménager
DE102013214929A1 (de) * 2013-07-30 2015-02-05 E.G.O. Elektro-Gerätebau GmbH Verfahren und Anordnung zum Steuern eines Gargeräts
DE102015202032A1 (de) * 2015-02-05 2016-08-11 Würth Elektronik eiSos Gmbh & Co. KG Induktor, insbesondere zur magnetisch gekoppelten Energieübertragung, sowie Verfahren zum Betreiben eines derartigen Induktors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10160086A1 (de) * 2000-12-19 2002-07-11 Bsh Balay Sa Induktionsofen
EP2456039A2 (fr) * 2010-11-12 2012-05-23 BSH Bosch und Siemens Hausgeräte GmbH Appareil ménager et procédé de fonctionnement d'un appareil ménager
DE102013214929A1 (de) * 2013-07-30 2015-02-05 E.G.O. Elektro-Gerätebau GmbH Verfahren und Anordnung zum Steuern eines Gargeräts
DE102015202032A1 (de) * 2015-02-05 2016-08-11 Würth Elektronik eiSos Gmbh & Co. KG Induktor, insbesondere zur magnetisch gekoppelten Energieübertragung, sowie Verfahren zum Betreiben eines derartigen Induktors

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020109483A1 (de) * 2020-04-06 2021-06-24 Miele & Cie. Kg Induktives Küchensystem
DE102020109480A1 (de) 2020-04-06 2021-10-07 Miele & Cie. Kg Induktives Küchensystem
DE102020109484A1 (de) 2020-04-06 2021-10-07 Miele & Cie. Kg Induktives Küchensystem
EP3893603A1 (fr) * 2020-04-06 2021-10-13 Miele & Cie. KG Système de cuisine à induction
DE102020121052A1 (de) 2020-08-11 2022-02-17 Miele & Cie. Kg Sicherheitsvorrichtung für ein Kochfeld, Identifikationseinrichtung, Kochsystem und Verfahren zum Betreiben einer Sicherheitsvorrichtung
EP4203240A1 (fr) * 2021-12-22 2023-06-28 Miele & Cie. KG Procédé et unité de commande pour faire fonctionner un appareil ménager et appareil ménager
EP4203241A1 (fr) * 2021-12-22 2023-06-28 Miele & Cie. KG Appareil ménager et procédé de fonctionnement d'un appareil ménager
BE1030073B1 (de) * 2021-12-22 2023-07-17 Miele & Cie Verfahren und Steuereinheit zum Betreiben einer Haushaltvorrichtung und Haushaltvorrichtung
BE1030071B1 (de) * 2021-12-22 2023-07-17 Miele & Cie Haushaltvorrichtung und Verfahren zum Betreiben einer Haushaltvorrichtung
DE102023129435A1 (de) 2023-10-25 2025-04-30 Miele & Cie. Kg Verfahren und Steuereinheit zum Betreiben eines Kochfelds und Kochfeld

Also Published As

Publication number Publication date
CH714640A2 (de) 2019-08-15
CH714640B1 (de) 2021-08-31

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