EP4106494A1 - Système de plaque de cuisson et procédé permettant de faire fonctionner un système de plaque de cuisson - Google Patents

Système de plaque de cuisson et procédé permettant de faire fonctionner un système de plaque de cuisson Download PDF

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Publication number
EP4106494A1
EP4106494A1 EP22175040.9A EP22175040A EP4106494A1 EP 4106494 A1 EP4106494 A1 EP 4106494A1 EP 22175040 A EP22175040 A EP 22175040A EP 4106494 A1 EP4106494 A1 EP 4106494A1
Authority
EP
European Patent Office
Prior art keywords
unit
induction heating
hob system
mounting plate
cooling air
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
EP22175040.9A
Other languages
German (de)
English (en)
Inventor
Beatriz Arenas Jimenez
Noelia Borque Marquina
Diana Lascorz Pascual
Damaso Martin Gomez
Pilar Perez Cabeza
Fernando Sanz Serrano
Francisco Villuendas Lopez
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 EP4106494A1 publication Critical patent/EP4106494A1/fr
Pending legal-status Critical Current

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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
    • H05B6/10—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
    • H05B6/1263—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements using coil cooling arrangements
    • 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
    • F24C15/101—Tops, e.g. hot plates; Rings provisions for circulation of air
    • 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
    • H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/02—Induction heating
    • H05B2206/022—Special supports for the induction coils
    • 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
    • H05B2213/07—Heating plates with temperature control means

Definitions

  • the invention relates to a hob system according to the preamble of claim 1 and a method for operating a hob system according to the preamble of claim 13.
  • a hob is already known from the prior art which has a fan unit which provides an air flow for cooling inductors or power electronics.
  • the object of the invention consists in particular, but not limited thereto, in providing a generic device with improved properties with regard to cooling.
  • the object is achieved according to the invention by the features of claims 1 and 13, while advantageous configurations and developments of the invention can be found in the dependent claims.
  • the invention is based on a hob system with a mounting plate, with at least one induction heating unit, which is arranged at a distance from the mounting plate, with at least one blower unit for providing a cooling air flow and with an air guiding unit, which is intended to guide the cooling air flow in an operating state.
  • the air guiding unit directs the flow of cooling air between the installation plate and the induction heating unit in the operating state.
  • Such a configuration makes it possible, in particular, to provide improved properties with regard to cooling.
  • improved cooling of the mounting plate can be achieved by such a configuration.
  • mechanical and/or thermal stresses, in particular in the mounting plate can advantageously be reduced.
  • an embodiment of this type can also provide electromagnetic shielding between the induction heating unit and electronics, in particular a circuit board, of the hob system, without the electromagnetic shielding blocking the flow of cooling air.
  • one of a cooling of the electronics, especially the circuit board independent cooling can be provided.
  • the hob system is designed in particular as at least one subassembly of a hob, in particular an induction hob.
  • the hob system can also only include the entire hob, in particular the entire induction hob, specifically in particular when the mounting plate is designed as a hob plate.
  • an “induction heating unit” should be understood to mean a unit with at least one induction heating element. In particular, in an operating state in which the induction heating unit is supplied with high-frequency alternating current, all induction heating elements of the induction heating unit are supplied with high-frequency alternating current, preferably simultaneously.
  • An “induction heating element” should be understood to mean a particularly wound electrical conductor, preferably in the form of a circular disc, through which high-frequency alternating current flows in at least one operating state.
  • the induction heating element is intended to convert electrical energy into an alternating magnetic field, which is intended to cause eddy currents and/or magnetic reversal effects in a metallic, preferably at least partially ferromagnetic, heating medium, in particular a cooking utensil, which are converted into heat.
  • the hob system preferably has a plurality of induction heating units, all of which are arranged at a distance from the installation plate, with at least one induction heating unit and/or, for example, a plurality of induction heating units each form a heating zone.
  • the hob system could include at least one and in particular a plurality of heating zones, which could be arranged in a matrix and/or in at least one line, for example.
  • a “mounting plate” should be understood to mean at least one, in particular plate-like, unit which is provided for setting up at least one cooking utensil and/or for placing at least one item to be cooked on it.
  • the mounting plate 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.
  • the mounting plate designed as a hob plate could in particular form at least part of an outer hob housing and in particular together with at least one outer housing unit, with which the mounting plate designed as a hob plate could be connected in at least one assembled state, at least to a large extent form the outer hob housing.
  • the mounting plate is preferably made of a non-metallic material.
  • the installation plate could, for example, be made at least to a large extent of glass and/or glass ceramic and/or neolith and/or dekton and/or wood and/or marble and/or stone, in particular natural stone, and/or laminate and/or made of plastic and/or ceramic.
  • the fan unit which for example has at least one rotatable fan wheel, provides the flow of cooling air.
  • the cooling air flow cools at least one unit of the hob system and/or of the hob having the hob system.
  • the flow of cooling air preferably cools at least the mounting plate and in particular the induction heating unit.
  • the air guiding unit can in particular be formed at least partially in one piece with at least one other unit of the cooktop system.
  • the fact that the air guiding unit can be formed at least partially in one piece with at least one other unit should be understood to mean that the air guiding unit can have at least one common element with at least one other unit.
  • the air guiding unit is at least partially, and in particular completely, in one piece with a carrier unit of the hob system, which is provided for this purpose to carry at least one induction heating unit is formed.
  • the air guiding unit is at least partially, and in particular completely, formed in one piece with a shielding element of the hob system.
  • the air guiding unit in particular only forms a housing element of the blower unit.
  • the air guiding unit can also, for example, only comprise the housing element, which in particular has an outlet opening for the cooling air flow at a suitable point and directs the cooling air flow through the outlet opening in the operating state.
  • the air guiding unit it would be conceivable for the air guiding unit to be formed at least partially, and in particular completely, in one piece with the housing element of the blower unit.
  • the air guide unit has a resistance to temperatures of, for example, at least 180° C., advantageously at least 200° C., particularly advantageously at least 220° C. and particularly preferably at least 250° C., specifically in relation to continuous operation of the hob system.
  • the air guiding unit it would be conceivable for the air guiding unit to be formed at least partially and in particular completely from a plastic and/or from a metallic material and/or from a ceramic material.
  • the air guide unit could be formed at least partially and preferably entirely from aluminum and/or silicone and/or PPS and/or Teflon and/or LCP and/or PEEK.
  • position designations such as “below” or “above” refer to a mounted state of the mounting plate, in particular in an installed position of the mounting plate, unless this is explicitly described otherwise.
  • the induction heating unit is arranged in particular in the installed position below the mounting plate at a distance from the mounting plate, specifically viewed perpendicularly to a main extension plane of the mounting plate.
  • an imaginary directional line runs perpendicular to the main extension plane of the mounting plate through the mounting plate, through an area, in particular a cavity, between the mounting plate and the induction heating unit and through the induction heating unit, with the induction heating unit being arranged at a distance from the mounting plate along this directional line.
  • the induction heating unit is, for example, at a distance of at least 0.5 mm, advantageously at a distance of at least 1 mm, particularly advantageously at a distance of at least 1.5 mm and preferably arranged at a distance of at least 2 mm from the mounting plate.
  • the induction heating unit is arranged at a maximum distance of 20 mm, advantageously a maximum distance of 15 mm, particularly advantageously a maximum distance of 12 mm and preferably a maximum distance of 10 mm from the mounting plate with respect to the mounting plate.
  • the air guiding unit guides the flow of cooling air into the area between the installation plate and the induction heating unit.
  • Provided is intended to mean specially designed and/or equipped.
  • the fact that an object is provided 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.
  • blower unit it would be conceivable, for example, for the blower unit to have at least one axial fan and/or a fan of any other type. If the fan unit comprises a radial fan or a tangential fan, improved properties in terms of construction can be achieved in particular. In particular, the design can be further improved with regard to cooling.
  • the air guiding unit encloses the blower unit at least in sections. It would be conceivable for the air guiding unit to enclose the fan unit along an entire axial extent of the fan unit.
  • the blower unit has at least one end region, in particular an axial end region, that is not surrounded by the air guiding unit.
  • the blower unit advantageously has at least one drive unit, in particular an electric motor, on at least one axial end region of the blower unit, which is not enclosed by the air guiding unit.
  • Such a design makes it possible, in particular, to achieve improved properties with regard to cooling. This can advantageously ensure a particularly advantageous cooling effect. In particular, such a configuration can prevent at least part of the cooling air flow from escaping in an unfavorable direction. Furthermore, the supply of cooling air to the blower unit can thereby be made possible.
  • the air guiding unit and the blower unit are arranged at least partially below the induction heating unit in the installed position.
  • at least a partial area of the air guiding unit and/or the blower unit is arranged below the induction heating unit with respect to the mounting plate.
  • at least a partial area of the air guiding unit and/or the fan unit is arranged below the induction heating unit.
  • the air guiding unit and/or the blower unit to have a further partial area which is arranged above the induction heating unit in the installation position with respect to the mounting plate.
  • the air guiding unit and/or the blower unit has at least one further partial area which is arranged next to the induction heating unit.
  • improved properties with regard to a construction can be provided by such a configuration.
  • such a configuration can continue to ensure the presence of a shielding unit above the induction heating unit.
  • a configuration of this type can in particular enable a space-saving and/or cost-efficient construction.
  • the air guiding unit at least partially encloses the blower unit in the circumferential direction in the installed position below the induction heating unit.
  • the air guiding unit at least partially encloses the blower unit in the circumferential direction in relation to the blower unit, specifically below the induction heating unit in the installed position.
  • the air guiding unit encloses the fan unit in the circumferential direction by at least 180°, advantageously by at least 210°, particularly advantageously by at least 240°, preferably by at least 270° and particularly preferably by at least 320°.
  • the blower unit has at least one at least one axial end area, in particular the blower unit and/or the air guide unit, having arranged air inlet.
  • the blower unit is provided to draw in air at at least one axial end area, in particular the blower unit and/or the air guiding unit, in particular through the at least one air inlet, in order to provide the cooling air flow.
  • the blower unit it would also be conceivable for the blower unit to have two air inlets arranged on both axial end regions on both sides, in particular of the blower unit and/or the air guiding unit.
  • the air inlet to extend at least over part of a longitudinal extent and in particular over an entire longitudinal extent of the blower unit and/or the air guiding unit.
  • At least one air filter to be arranged in the area of the air inlet in the at least one axial end area.
  • the air guiding unit has at least one at least essentially tubular partial element which is open at least in sections on a lateral surface.
  • “at least essentially” is to be understood as meaning that a deviation from a specified value deviates in particular by less than 25%, preferably less than 10% and particularly preferably less than 5% of the specified value.
  • the tubular partial element has an at least essentially circular cross-section, at least in a partial area, in particular in at least one partial circular arc.
  • the at least one essentially tubular partial element could be formed at least partially in one piece with at least one further unit of the hob system.
  • “at least partially in one piece” should be understood to mean that at least one component of at least one object and/or at least one first object is formed in one piece with at least one component of at least one other object and/or in one piece with at least one other object.
  • the fact that two units are designed "in one piece” should be understood to mean that the units have at least one, in particular at least two, advantageously at least three common elements that are a component, in particular a functionally important component, of both units.
  • one-piece should also be understood to mean one-piece.
  • integral is meant molded in one piece.
  • this one piece is one Individual blank, a mass and / or a cast, particularly preferably in an injection molding process, in particular a one- and / or multi-component injection molding process.
  • improved properties with regard to a construction can be achieved by such a configuration.
  • cost-efficient manufacturability and/or assembly can be guaranteed.
  • efficiency in the provision of the cooling air flow can be increased, in particular if the fan unit comprises at least one radial fan or tangential fan.
  • the air guiding unit has an air guiding plate which is connected to the partial element and which delimits a cooling air duct for the cooling air flow at least in sections on a side facing away from the mounting plate.
  • the air guide unit could have a further air guide plate adjoining the sub-element, which also delimits the cooling air duct at least in sections on a side facing away from the mounting plate.
  • the mounting plate it would be conceivable for the mounting plate to delimit the cooling air duct at least in sections on a side facing away from the mounting plate.
  • the air baffle and/or the additional air baffle could be formed in one piece with the partial element.
  • the air baffle and/or the additional air baffle is formed in one piece with the partial element.
  • the air baffle and/or the further air baffle could be formed in one piece, in particular in one piece, with the shielding unit.
  • the air guide unit could be connected to the installation plate by means of the air guide plate and/or by means of the additional air guide plate.
  • At least one first element is “connected” to at least one further element is to be understood to mean that the first element is advantageously connected to the further element via at least one force fit and/or at least one form fit, for example via riveting and/or Snap-in connection and/or a tongue and groove connection and/or a clamp connection and/or another connection that appears sensible to a person skilled in the art and/or is connected to the other element in a materially bonded manner, for example by a welding process, an adhesive process, a molding process and /or another process that appears reasonable to the person skilled in the art.
  • improved properties with regard to the provision of the cooling air flow can be achieved by such a configuration.
  • the construction can be improved in terms of cost efficiency.
  • the blower unit is provided to cool the mounting plate after and/or during a heating process.
  • the blower unit provides the flow of cooling air during a heating process for cooling the installation plate during a heating process.
  • the blower unit also provides the flow of cooling air after a heating process, for cooling the mounting plate after a heating process.
  • the hob system advantageously has a control unit.
  • a "control unit” is to be understood as meaning an electronic unit which is preferably at least partially integrated in a control and/or regulation unit of a household appliance and which is preferably provided for controlling and/or regulating at least the blower unit.
  • control unit comprises an arithmetic unit and, in particular, in addition to the arithmetic unit, a memory unit with a control and/or regulation program stored therein, which is intended to be executed by the arithmetic unit.
  • control unit activates the blower unit, in particular after a heating process, for example at least until the mounting plate has reached a temperature that advantageously does not pose a risk of injury to a user.
  • a heating process for example at least until the mounting plate has reached a temperature that advantageously does not pose a risk of injury to a user.
  • the hob system has a sensor unit, which is provided in the operating state for detecting at least one cooking parameter, and a protection unit, which protects the sensor unit from the flow of cooling air.
  • a "sensor unit” is to be understood in this context as a unit which is intended to record at least one parameter and/or one physical property, with the recording being active, such as in particular by generating and emitting an electrical measurement signal, and/or passive, as can take place in particular by detecting changes in the properties of a sensor component.
  • the sensor unit is preferably provided for detecting a temperature, in particular of the support plate, preferably in the area of the cooking zone.
  • the sensor unit is arranged in particular in the area between the mounting plate and the induction heating unit.
  • the sensor unit is at least essentially centrally related to the induction heating unit when viewed perpendicularly to the induction heating unit arranged.
  • the protection unit is preferably formed from a non-metallic and/or non-ferromagnetic material, such as silicone, Teflon (PTFE), glass fiber, mica, or the like.
  • the protective unit has a resistance to temperatures of, for example, at least 200° C., advantageously at least 220° C., particularly advantageously at least 240° C. and particularly preferably at least 260° C., specifically in relation to continuous operation of the hob system.
  • improved properties with regard to the detection of cooking parameters can be achieved by such a configuration. In particular, the most precise possible detection of cooking parameters can be guaranteed.
  • the protective unit at least partially and preferably completely encloses the sensor unit in the circumferential direction of the sensor unit.
  • improved properties with regard to protection of the sensor unit from the flow of cooling air can be achieved by such a configuration.
  • improved properties with regard to the accuracy of the sensor unit can be guaranteed.
  • the protection unit is arranged in an area between the mounting plate and the induction heating unit and at a distance from the sensor unit.
  • the protection unit is arranged at a radial distance from the sensor unit.
  • the invention is based on a method for operating a hob system, in particular according to one of the preceding claims, with a support plate, with at least one induction heating unit, which is arranged at a distance from the support plate, with at least one blower unit, by means of which a cooling air flow is provided, and with an air guide unit, by means of which the cooling air flow is guided. It is proposed that the flow of cooling air is directed between the installation plate and the induction heating unit by means of the air guiding unit. Such a configuration makes it possible, in particular, to provide improved properties with regard to cooling.
  • the hob system and the method for operating the hob system should not be limited to the application and embodiment described above.
  • the hob system and the method for operating the hob system have a number of individual elements, components, units and method steps that differs from the number specified herein in order to fulfill a function described herein.
  • FIG 1 shows schematically a part of a hob system 10a with a mounting plate 12a.
  • the mounting plate 12a is designed as a worktop.
  • the mounting plate 12a could also be designed as a hob plate, for example.
  • the hob system 10a comprises four induction heating units 14a.
  • the induction heating units 14a are arranged in a column, for example.
  • the induction heating units 14a are each arranged offset to one another, for example.
  • any other number and arrangement of induction heating units 14a would be conceivable.
  • the mode of operation is shown and described below using an induction heating unit 14a as an example.
  • the induction heating unit 14a is arranged at a distance from the mounting plate 12a (cf. figure 2 ). In the present example, the induction heating unit 14a is arranged at a distance from the mounting plate 12a in a direction perpendicular to a main extension plane of the mounting plate 12a. In the present example, the induction heating unit 14a is arranged at a distance of 2 mm from the mounting plate 12a in a direction perpendicular to the main extension plane of the mounting plate 12a.
  • the hob system 10a includes a fan unit 16a.
  • the fan unit 16a provides a flow of cooling air 18a.
  • the fan unit 16a includes a tangential fan 22a.
  • the hob system 10a includes an air conduction unit 20a.
  • the air guiding unit 20a is intended to guide the cooling air flow 18a in an operating state. In the operating state, the air guiding unit 20a directs the flow of cooling air 18a between the mounting plate 12a and the induction heating unit 14a (cf. also Figures 3 and 4 ).
  • the air guiding unit 20a encloses the blower unit 16a at least in sections.
  • the air guiding unit 20a encloses the fan unit 16a in the example shown along at least 80% of an axial extension of the fan unit 16a.
  • the air guiding unit 20a and the blower unit 16a are arranged at least partially below the induction heating unit 14a in the installed position. Specifically, the air guiding unit 20a and the blower unit 16a are arranged at least partially below the induction heating unit 14a in the installed position with respect to the mounting plate 12a
  • the air guiding unit 20a at least partially encloses the blower unit 16a in the circumferential direction in the installed position below the induction heating unit 14a. Specifically, the air guiding unit 20a at least partially encloses the fan unit 16a in the circumferential direction relative to the fan unit 16a in the installed position below the induction heating unit 14a.
  • the air guiding unit 20a encloses the blower unit 16a in the circumferential direction by at least 270° with respect to the blower unit 16a in the installed position below the induction heating unit 14a.
  • the blower unit 16a has an air inlet 26a arranged on an axial end region 24a of the blower unit 16a and/or air guiding unit 20a.
  • the air guiding unit 20a has an at least essentially tubular partial element 28a.
  • the tubular partial element 28a is open at least in sections on a lateral surface 30a.
  • the air guiding unit 20a is made at least to a large extent from a thin-walled aluminum sheet.
  • the expression "at least to a large extent” should be understood to mean at least 55%, advantageously at least 65%, preferably at least 75%, particularly preferably at least 85% and particularly advantageously at least 95%.
  • the air guiding unit 20a has an air guiding plate 34a adjoining the partial element 28a.
  • the air baffle 34a delimits a cooling air duct 36a for the cooling air flow 18a on a side facing away from the mounting plate 12a, at least in sections.
  • the blower unit 16a is also provided to cool the mounting plate 12a after a heating process. Specifically, the fan unit 16a also provides the cooling air flow 18a after a heating process, for cooling the mounting plate 12a after a heating process.
  • the hob system 10a has a control unit 44a.
  • the control unit 44a is provided in particular for controlling the blower unit 16a. To provide the cooling air flow 18a, the control unit 44a controls the blower unit 16a after a heating process, specifically, for example, at least until the mounting plate 12a has reached a temperature that does not pose a risk of injury to a user.
  • the hob system 10a has a sensor unit 38a (cf. figures 4 and 5 ).
  • the sensor unit 38a In the operating state, the sensor unit 38a is provided for detecting at least one cooking parameter.
  • the sensor unit 38a is provided for detecting a temperature.
  • the sensor unit 38a is designed as an NTC sensor.
  • the sensor unit 38a is arranged in the area between the installation plate 12a and the induction heating unit 14a. When viewing the induction heating unit 14a perpendicularly, the sensor unit 38a is arranged at least essentially centrally in relation to the induction heating unit 14a.
  • the hob system 10a has a protective unit 40a.
  • the protection unit 40a protects the sensor unit 38a from the cooling air flow 18a.
  • the protective unit 40a completely encloses the sensor unit 38a in the circumferential direction of the sensor unit 38a.
  • the protection unit 40a is arranged in an area between the mounting plate 12a and the induction heating unit 14a and at a distance from the sensor unit 38a.
  • FIG 6 shows an exemplary flowchart of a method 100a for operating a hob system 10a.
  • the method 100a includes, for example, at least one method step 102a and a further method step 104a.
  • the hob system 10a is provided with a mounting plate 12a, with at least one induction heating unit 14a, which is arranged at a distance from the mounting plate 12a, with at least one blower unit 16a, by means of which a cooling air flow 18a is provided, and with an air guide unit 20a, by means which the cooling air flow 18a is directed provided.
  • the cooling air flow 18a is directed between the installation plate 12a and the induction heating unit 14a by means of the air guiding unit 20a.
  • FIG 7 shows schematically a part of a hob system 10b of a further embodiment with a mounting plate 12b.
  • the hob system 10b includes an induction heating unit 14b.
  • the induction heating unit 14b is arranged at a distance from the set-up plate 12b.
  • the hob system 10b includes a fan unit 16b.
  • the fan unit 16b provides a flow of cooling air 18b.
  • the hob system 10b includes an air conduction unit 20b.
  • the air guiding unit 20b is intended to guide the cooling air flow 18b in an operating state. In the operating state, the air guiding unit 20b directs the flow of cooling air 18b between the installation plate 12b and the induction heating unit 14b.
  • the air guiding unit 20b has an air guiding plate 34b.
  • the air baffle 34b delimits a cooling air duct 36b at least partially. Also limited in the illustrated embodiment at least one housing element 46b of the hob system 10b the cooling air duct 36b at least partially and in particular laterally.

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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)
EP22175040.9A 2021-06-14 2022-05-24 Système de plaque de cuisson et procédé permettant de faire fonctionner un système de plaque de cuisson Pending EP4106494A1 (fr)

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Application Number Priority Date Filing Date Title
EP21382528 2021-06-14

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4312975C1 (de) * 1993-04-21 1994-05-05 Herchenbach Wolfgang Induktions-Koch-System mit Kochgeschirr
EP1790911A1 (fr) * 2005-11-25 2007-05-30 LG Electronics, Inc. Plaque de cuisson et appareil de cuisson avec un système de refroidissement
JP2008192443A (ja) * 2007-02-05 2008-08-21 Tokyo Electric Power Co Inc:The 空冷装置及び空冷方法
US20100206871A1 (en) * 2007-06-22 2010-08-19 Akira Kataoka Induction heating appliance for cooking
EP3503673A1 (fr) * 2017-12-22 2019-06-26 Groupe Brandt Table de cuisson et système de refroidissement de la table de cuisson
US10912158B2 (en) * 2015-12-02 2021-02-02 Electrolux Appliances Aktiebolag Induction cooking hob

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4312975C1 (de) * 1993-04-21 1994-05-05 Herchenbach Wolfgang Induktions-Koch-System mit Kochgeschirr
EP1790911A1 (fr) * 2005-11-25 2007-05-30 LG Electronics, Inc. Plaque de cuisson et appareil de cuisson avec un système de refroidissement
JP2008192443A (ja) * 2007-02-05 2008-08-21 Tokyo Electric Power Co Inc:The 空冷装置及び空冷方法
US20100206871A1 (en) * 2007-06-22 2010-08-19 Akira Kataoka Induction heating appliance for cooking
US10912158B2 (en) * 2015-12-02 2021-02-02 Electrolux Appliances Aktiebolag Induction cooking hob
EP3503673A1 (fr) * 2017-12-22 2019-06-26 Groupe Brandt Table de cuisson et système de refroidissement de la table de cuisson

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