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EP4585019A1 - Table de cuisson et dispositif de table de cuisson - Google Patents

Table de cuisson et dispositif de table de cuisson

Info

Publication number
EP4585019A1
EP4585019A1 EP23742342.1A EP23742342A EP4585019A1 EP 4585019 A1 EP4585019 A1 EP 4585019A1 EP 23742342 A EP23742342 A EP 23742342A EP 4585019 A1 EP4585019 A1 EP 4585019A1
Authority
EP
European Patent Office
Prior art keywords
heating
unit
power supply
heating elements
hob
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.)
Pending
Application number
EP23742342.1A
Other languages
German (de)
English (en)
Inventor
Diego Puyal Puente
Manuel Fernandez Martinez
Victor Camañes Vera
Eduardo Imaz Martinez
Jose Manuel Palacios Gasos
Lucia Herrero Lorente
Javier SERRANO TRULLEN
Rosario Romeo Velilla
Cristina Blan Sanmartin
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP4585019A1 publication Critical patent/EP4585019A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—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
    • 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
    • H05B6/1245—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
    • H05B6/1272—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements with more than one coil or coil segment per heating zone
    • 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 hob can have at least one stand.
  • the set-up plate is designed as a plate-like unit, which is used to set up at least the Installation unit and / or for placing at least one food, in particular the food to be cooked, is provided.
  • the stand could be designed, for example, as a worktop, in particular as a kitchen worktop, or as a partial area of at least one worktop, in particular at least one kitchen worktop, in particular of the hob system.
  • the mounting plate could be designed as a hob plate.
  • variable cooking surface area is to be understood as meaning a cooking surface area which is intended to form at least one heating zone adapted to at least the set-up unit, in particular the small household appliance and/or the cooking utensils and/or the support unit.
  • the variable cooking surface area advantageously differs from a cooking surface in which heating zones are fixed, in particular by markings on the cooking surface.
  • At least the first heating unit and/or at least the second heating unit can be provided in at least one operating state for heating the installation unit in the cooking surface area.
  • the first heating unit is advantageously designed as a first induction heating unit and the at least two first heating elements as at least two first inductors.
  • the second heating unit is preferably designed as a second induction heating unit and the second heating element as at least one second inductor.
  • a “heating unit” is to be understood as meaning a unit which is intended, at least in an operating state, to transmit electrical energy at least to a large extent to the installation unit, preferably through at least the kitchen worktop, and/or to convert electrical energy into heat, in particular to heat at least the set-up unit, preferably through at least the set-up plate.
  • the heating unit is intended to transmit a power of at least 100 W, in particular at least 500 W, advantageously at least 1000 W, preferably at least 2000 W, in at least one operating state in which the heating unit is connected to at least one power supply unit of the hob device.
  • An “inductor” is to be understood here as an element which has at least one induction coil and/or is designed as an induction coil and which is intended to supply energy, in particular in the form, to at least one receiving element, in particular at least the installation unit, in at least one operating state an alternating magnetic field.
  • the receiving element could be used as a metallic heating means, in particular as an at least partially ferromagnetic heating means, for example as a ferromagnetic base of the set-up unit, in particular of the cooking utensils and/or the supporting unit and/or the small household items. advises, be designed in which, in an operating mode of the heating unit, eddy currents and / or magnetic reversal effects are caused by the inductor, which are converted into heat.
  • the set-up unit could have at least one secondary coil as a receiving element for receiving the signals generated by the inductor and / or another inductor have energy provided.
  • the hob device could have further heating units, namely at least one third heating unit and at least one third power supply unit for powering the third heating unit.
  • the third power supply unit could supply the third heating unit with power from the first power phase and/or the second power phase and/or at least a third power phase of the power supply network and in particular for permanent connection to the first power phase and/or the second power phase and/or the third power phase be provided.
  • the at least two first heating elements of the first heating unit could differ in terms of an intended power consumption and/or an intended power output and/or in terms of their design, for example geometry and/or size.
  • the at least two heating elements of the first heating unit are preferably designed to be identical to one another.
  • the second heating element of the second heating unit could differ from at least one of the at least two first heating elements, advantageously from the two first heating elements, for example in terms of an intended power consumption and/or an intended power output and/or in terms of a configuration, for example geometry and/or size.
  • the second heating element is identical to at least one of the at least two first heating elements, advantageously to the two first heating elements.
  • a “second” object does not necessarily imply the presence of a “first” object.
  • “intended” here and below is intended to mean specifically programmed, designed and/or equipped. The fact that an object is intended for a specific function should be understood to mean that the object fulfills and/or executes this specific function in at least one application and/or operating state.
  • the first power supply unit has at least one first rectifier and the second power supply unit has at least one two- th rectifier. This makes it possible to increase efficiency in terms of work and/or cost and/or operating and/or performance and/or heating efficiency.
  • the first slider and the second slider could be designed differently.
  • the two rectifiers are preferably designed identically to one another, regardless of manufacturing tolerances.
  • the first inverter unit forms a totality of all first inverters.
  • An “inverter” is to be understood as meaning a unit which, in at least one operating state, in particular at least one operating mode, produces an alternating current, in particular a high-frequency alternating current, in particular with a frequency of at least 10 kHz, preferably of at least 20 kHz and in particular of a maximum of 100 kHz, for at least one further unit, preferably for at least one of the heating units of the hob device, advantageously the first heating unit and / or the second heating unit.
  • the inverter can have at least two inverter switching elements.
  • the at least two first inverters carry out a frequency conversion in the operating state and in particular convert an input-side low-frequency alternating voltage into an output-side high-frequency alternating voltage.
  • the low-frequency alternating voltage has a frequency of at most 100 Hz.
  • the high-frequency alternating voltage preferably has a frequency of at least 1000 Hz.
  • the first inverter unit can be connected to a control unit of the hob device and can be controlled by the control unit using control signals.
  • the at least two first heating elements are connected to the same inverter of the first inverter unit, namely together with at least one of the at least two first inverters. If each heating element is the first Heating unit is separately connected to an inverter of the first inverter unit, a particularly efficient interconnection and/or control and/or power supply can be provided. In addition, maintenance and/or replacement of components can be optimized and/or made simpler.
  • a first heating element of the two first heating elements is advantageously connected to a first inverter of the two first inverters.
  • a second heating element of the two first heating elements can be connected to a second inverter of the two first inverters.
  • the second inverter unit can comprise further second inverters, namely at least one further second inverter, in particular if the second heating unit has further second heating elements, namely at least one further second heating element.
  • Each heating element of the second heating unit can be separately connected to an inverter of the second inverter unit.
  • the second inverter unit forms a totality of all second inverters.
  • the hob device comprises at least a first power board on which the first power supply unit is arranged, and a second power board on which the second power supply unit is arranged.
  • a “power board” should be understood as a carrier for electrical and/or electronic components. At least the first inverter unit and at least the first slide converter are arranged on the first power board.
  • the first power board can also have further units and/or elements, in particular of the first power supply unit, for example switching elements and/or electrical resistors and/or AC current controllers and/or capacitors and/or the like.
  • At least the second inverter unit and at least the second slide converter are arranged on the second power board.
  • the second power board can also have further units and/or elements, in particular of the second power supply unit, for example switching elements and/or electrical resistors and/or AC current controllers and/or capacitors and/or the like.
  • the first heating unit has a plurality of further first heating elements, with at least one of the first heating elements being arranged in a first row with the further first heating elements.
  • At least the first row preferably forms a flexible heating zone for at least the installation unit.
  • the plurality of further first heating elements can, for example, be at least two further first heating elements, advantageously at least three further first heating elements and preferably at least five further first heating elements.
  • the first row can consist and/or be composed of at least three first heating elements of the first heating unit, advantageously at least four first heating elements of the first heating unit and preferably at least five first heating elements of the first heating unit.
  • the first row is preferably formed from at least one of the first heating elements and at least three further first heating elements.
  • the second heating unit has a plurality of further second heating elements, with at least one of the first heating elements being arranged between the second heating element and at least one further second heating element of the plurality of further second heating elements.
  • This makes it possible to further increase flexibility in the positioning of installation units as well as efficiency in heating installation units.
  • a “superboost” heating function for at least one installation unit can be made possible in an efficient manner, in a cost-effective and/or compact and/or simple and/or material- and/or component-saving manner.
  • At least one of the first heating elements which is arranged between the second heating element and at least the further second heating element of the plurality of second heating elements, could also be referred to as an intermediate heating element.
  • the at least one heating element of the first heating elements is advantageously arranged directly between the second heating element and the further second heating element.
  • at least two further heating elements of the plurality of further second heating elements are arranged next to the at least one heating element of the first heating elements.
  • At least the one heating element of the first heating elements could be at least partially spaced from the second heating element and/or at least the further second heating element. ment be arranged.
  • a distance between the second heating element and/or at least the further second heating element and the at least one heating element of the first heating elements could be at least 1 mm, advantageously at least 10 mm and advantageously at least 30 mm.
  • the at least one heating element of the first heating elements it would also be conceivable for the at least one heating element of the first heating elements to be arranged at least in sections flush with the contact with the second heating element and/or at least the further second heating element.
  • the at least one heating element of the first heating elements and the second heating element could each have their long sides preferably aligned parallel to one another and arranged next to one another, in particular in the event that the heating elements each have a rectangular outer contour in a top view. Furthermore, at least one long side of the at least one heating element of the first heating elements could face a narrow and/or wide side of the further second heating element. Preferably, a long side of the at least one heating element of the first heating elements is aligned parallel to a long side of the second heating element and preferably a further long side of the at least one heating element of the first heating elements opposite the long side is aligned parallel to a narrow and/or wide side of the further second heating element.
  • first row and the second row are aligned parallel to one another and that at least one second heating element between the is arranged in both rows. This enables and/or provides a compact and efficient arrangement of heating elements and heating of installation units.
  • At least one heating element of the first heating elements and at least the second heating element are arranged in an area between the first row and the second row.
  • the one heating element of the first heating elements and at least the second heating element are preferably arranged parallel to one another.
  • Parallel should be understood to mean an alignment of a direction relative to a reference direction, in particular in a plane, with the direction having a deviation from the reference direction of less than 8°, advantageously less than 5° and particularly advantageously less than 2°.
  • the hob device and/or the hob should not be limited to the application and embodiment described above.
  • the hob device and/or the hob can have a number of individual elements, components, units and method steps that deviate from the number of individual elements, components, units and method steps mentioned here in order to fulfill the functionality described herein.
  • values that lie within the specified limits should also be considered disclosed and can be used in any way.
  • FIG. 1 shows a hob with a hob device designed as an induction hob device
  • FIG. 2 is a plan view of a set-up plate of the hob to illustrate an arrangement of a first heating unit and a second heating unit of the hob device below the set-up plate, 3 shows a possible positioning of an installation unit for heating by means of the first heating unit and the second heating unit,
  • the second heating unit 20 has at least one second heating element 26. At least the second heating element 26 is arranged between the at least two first heating elements 16, 18. Furthermore, the second heating unit 20 has a plurality of further second heating elements 76, with at least one of the first heating elements 16, 18 being arranged between the second heating element 26 and at least one further second heating element 76 of the plurality of further second heating elements 76. In the present case, the first heating element 16 is arranged between the second heating element 26 and at least one further second heating element 76 of the plurality of further second heating elements 76. The plurality of further second heating elements 76 are arranged in a second row 68. In this exemplary embodiment, the first row 66 and the second row 68 are aligned parallel to one another.
  • the hob device 12 has a first power supply unit 28, which is provided for powering the first heating unit 14 and for permanent connection to a first power phase 30 of a power supply network.
  • the hob device 12 has a second power supply unit 32.
  • the second power supply unit 32 is intended for permanent connection to a second power phase 34 of the power supply network.
  • the mentioned power phases 30, 34 of the mentioned power supply network are individual phases of a conventional power supply network for supplying households, preferably German households.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Induction Heating Cooking Devices (AREA)

Abstract

L'invention concerne un dispositif de table de cuisson (12), en particulier un dispositif de table de cuisson à induction, comprenant au moins une première unité de chauffage (14) ayant au moins deux premiers éléments chauffants (16, 18), comprenant au moins une seconde unité de chauffage (20) ayant au moins un second élément chauffant (26), comprenant une première unité d'alimentation en courant (28) qui est prévue pour fournir du courant à la première unité de chauffage (14) et pour être connectée en permanence à une première phase de courant (30) d'un réseau d'alimentation en courant, et comprenant une seconde unité d'alimentation en courant (32) qui est prévue pour fournir du courant à la seconde unité de chauffage (20) et pour être connectée en permanence à une seconde phase de courant (34) du réseau d'alimentation en courant. Afin de fournir un dispositif générique ayant des propriétés améliorées en termes d'efficacité, selon l'invention, au moins le second élément chauffant (26) est disposé entre les au moins deux premiers éléments chauffants (16, 18).
EP23742342.1A 2022-09-09 2023-07-24 Table de cuisson et dispositif de table de cuisson Pending EP4585019A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP22382835 2022-09-09
PCT/EP2023/070410 WO2024051998A1 (fr) 2022-09-09 2023-07-24 Table de cuisson et dispositif de table de cuisson

Publications (1)

Publication Number Publication Date
EP4585019A1 true EP4585019A1 (fr) 2025-07-16

Family

ID=83283446

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23742342.1A Pending EP4585019A1 (fr) 2022-09-09 2023-07-24 Table de cuisson et dispositif de table de cuisson

Country Status (2)

Country Link
EP (1) EP4585019A1 (fr)
WO (1) WO2024051998A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2432235B1 (es) * 2012-05-30 2014-11-04 Bsh Electrodomésticos España, S.A. Dispositivo de calentamiento por inducción
JP5921650B2 (ja) * 2014-11-25 2016-05-24 三菱電機株式会社 誘導加熱調理器
EP3291642A1 (fr) * 2016-09-02 2018-03-07 Electrolux Appliances Aktiebolag Plaque de cuisson et procédé de commande d'une zone de cuisson
EP4209117A1 (fr) * 2020-09-02 2023-07-12 BSH Hausgeräte GmbH Dispositif de table de cuisson et procédé de fonctionnement d'un dispositif de table de cuisson

Also Published As

Publication number Publication date
WO2024051998A1 (fr) 2024-03-14

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