EP3664579B1 - Dispositif formant appareil de cuisson à induction - Google Patents

Dispositif formant appareil de cuisson à induction Download PDF

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Publication number
EP3664579B1
EP3664579B1 EP19208891.2A EP19208891A EP3664579B1 EP 3664579 B1 EP3664579 B1 EP 3664579B1 EP 19208891 A EP19208891 A EP 19208891A EP 3664579 B1 EP3664579 B1 EP 3664579B1
Authority
EP
European Patent Office
Prior art keywords
induction heating
line element
heating line
induction
cooking appliance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19208891.2A
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German (de)
English (en)
Other versions
EP3664579A1 (fr
Inventor
Bastian Grass
Rudolf Halmschlager
Pablo Jesus Hernandez Blasco
Izaskun JACA EQUIZA
Ignacio Lope Moratilla
Damaso Martin Gomez
Carlos Obon Abadia
Luis Sanroman Hernandez
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 EP3664579A1 publication Critical patent/EP3664579A1/fr
Application granted granted Critical
Publication of EP3664579B1 publication Critical patent/EP3664579B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H05B6/129—Cooking devices induction ovens
    • 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
    • H05B6/36—Coil arrangements
    • H05B6/362—Coil arrangements with flat coil conductors

Definitions

  • the invention relates to an induction cooking device according to the preamble of claim 1 and a method for producing an induction cooking device according to the preamble of claim 13.
  • An induction cooking appliance device designed as an induction oven device is already known from the prior art, which has an induction heating unit with an induction heating line element.
  • the induction heating element is attached by fasteners.
  • the induction heating line element deforms in a heating operating state due to thermal changes in extension in the region of the induction heating line element and in particular stands out from the muffle wall.
  • a cooking appliance device is known, with at least one heating unit which has at least one heating element which is provided in at least one heating operating state for heating a cooking chamber, and with at least one cooking chamber element which at least partially delimits the cooking chamber and has at least one partial area whose surface shape varies in changes the heating operating state by thermal expansion of the cooking chamber element, wherein the heating unit has at least one adaptation element which is at least partially arranged on the cooking chamber element and which is provided at least in the heating operating state for an adaptation to the, in particular changed, surface shape of the partial area.
  • a cooking appliance device with at least one heating coil, which has at least two windings, and with at least one fixing device, which at least partially mechanically fixes the heating coil in a mounted state, wherein the fixing device comprises a carrier unit and a holding unit, which in the mounted state each of the Windings separately fixed to the carrier unit.
  • the object of the invention is in particular to provide a generic device with improved properties in terms of construction.
  • 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 an induction cooking appliance device, in particular an induction oven device, with at least one induction heating unit which has at least one induction heating line element.
  • the induction heating line element has at least one buffer area which is intended to at least partially compensate for at least one thermal extension change of the induction heating line element, which is caused in particular by at least one thermal expansion.
  • a particularly advantageous construction can be achieved in particular by such a configuration.
  • changes in thermal extension of the induction heating line element can be compensated, whereby in particular an external dimension of the induction heating unit and/or the induction heating line element can be kept constant.
  • lifting and/or bulging of the induction heating line element, in particular of a partial area between at least two fastening elements can be avoided, as a result of which particularly advantageous heating properties can be achieved, in particular independently of a selected type of fastening and/or a configuration of the fastening elements.
  • a movement, in particular of at least one turn, of the induction heating line element, in particular relative to at least one further turn of the induction heating line element, can in particular be minimized, as a result of which in particular a low risk of a short circuit can be made possible.
  • An "induction cooking appliance”, in particular an “induction oven appliance”, should in particular include at least a part, in particular a subassembly, of an induction cooking appliance, in particular an induction oven, be understood.
  • An induction cooking appliance having the induction cooking appliance device could be an induction grill, for example.
  • the induction cooking appliance device could be an induction grill device.
  • an induction cooking appliance having the induction cooking appliance could be an induction hob, for example.
  • the induction cooking appliance device could be an induction hob device.
  • An induction cooking appliance having the induction cooking appliance device is preferably an induction oven.
  • the induction cooking appliance device is an induction oven device.
  • An “oven” should be understood to mean, in particular, a cooking appliance which has at least one muffle for cooking food.
  • the oven could be an oven and/or a stove.
  • the induction cooking appliance device has in particular at least one muffle, which in particular at least partially defines and/or delimits at least one cooking space.
  • the induction cooking appliance has at least one appliance door, which in at least one heating operating state, in particular together with the muffle, at least substantially and advantageously completely defines and/or delimits the cooking chamber.
  • the induction heating unit and advantageously the induction heating line element are arranged on the muffle, in particular on at least one muffle wall of the muffle.
  • the induction heating unit and advantageously the induction heating line element could be arranged in at least one heating operating state on at least one muffle side wall of the muffle and/or on at least one muffle rear wall of the muffle.
  • the induction heating unit and advantageously the induction heating line element are arranged in at least one heating operating state on at least one muffle top wall of the muffle and/or on at least one muffle bottom wall of the muffle.
  • the induction heating unit and advantageously the induction heating line element extends in at least one heating operating state, in particular at least to a large extent, over at least one muffle wall of the muffle and/or the muffle side of the muffle.
  • the induction heating unit and advantageously the induction heating line element could be arranged in at least one heating mode within the cooking chamber.
  • the induction heating unit and advantageously the induction heating line element are particularly advantageously arranged outside the cooking chamber in at least one heating operating state.
  • an "induction heating unit” is to be understood in particular as a unit which is intended to supply energy, in particular in the form of at least one alternating electromagnetic field, to at least one object to be heated in at least one heating operating state, for the purpose of heating the object to be heated, wherein the energy supplied to the object to be heated could be converted into heat in particular in the object to be heated.
  • the induction heating line element of the induction heating unit is arranged in the manner of at least one coil.
  • the induction heating unit could, for example, have at least two, in particular at least three, advantageously at least four, particularly advantageously at least five, preferably at least six and particularly preferably several induction heating line elements.
  • the induction heating unit preferably has, in particular, an induction heating line element.
  • the induction heating element is in particular designed in one piece.
  • “In one piece” is to be understood in particular as being at least cohesively connected, for example by a welding process, an adhesive process, an injection molding process and/or another process that appears sensible to the person skilled in the art, and/or advantageously formed in one piece, such as by a Production from a single casting and/or by production using a single-component or multi-component injection molding process and advantageously from a single blank.
  • the induction heating unit could, for example, have at least one carrier unit for carrying and/or holding the induction heating line element.
  • the induction heating unit could in particular have at least one ferrite element for the induction heating element.
  • the induction heating unit is designed in one piece.
  • the induction cooking appliance device could have the object to be heated.
  • At least one object to be heated could be a wall, for example, such as a muffle wall, and in particular at least partially delimit a cooking space.
  • at least one object to be heated could be a cooking utensil in particular.
  • induction heating line element is to be understood in particular as an object which conducts electricity in at least one heating operating state and which is intended in particular to use the electricity to provide at least a large part of the energy provided by the induction heating unit.
  • the induction heating line element consists in particular at least to a large extent of at least one electrically conductive material, in particular of at least one metal and/or at least one metal alloy.
  • the induction heating element could consist at least for the most part of copper and/or aluminum. “At least for the most part” is to be understood as meaning in particular a proportion, in particular a mass proportion and/or volume proportion, of at least 70%, in particular at least 80%, advantageously at least 90% and preferably at least 95%.
  • a “buffer area” is to be understood in particular as a spatial area of the induction heating line element which at least partially compensates for at least one thermal extension change, in particular at least a partial area, of the induction heating line element in at least one heating operating state.
  • the buffer area is intended to "at least partially" compensate for at least one thermal change in extension of the induction heating line element
  • the buffer area in at least one heating operating state, compensates for the thermal change in extension of the induction heating line element alone or together with at least one other buffer area of the Induction heating element compensated.
  • the induction heating line element could, in particular exclusively, have the buffer area.
  • the induction heating line element preferably has in particular at least two, advantageously at least four, particularly advantageously at least eight, preferably at least sixteen and particularly preferably a large number of buffer areas which, in at least one heating operating state, in particular jointly compensate for the thermal extension change of the induction heating line element.
  • the buffer area is intended to at least partially compensate for "at least one" thermal change in the extent of the induction heating line element
  • the buffer area in at least one heating operating state compensates for a thermal change in the extent of at least a partial area of the induction heating line element and/or a thermal Compensates for a change in the extent of at least two partial areas of the induction heating line element and/or for a thermal change in the extent of the, in particular entire, induction heating line element.
  • Provided is to be understood in particular as being specially designed and/or equipped.
  • the fact that an object is provided for a specific function is to be understood in particular to mean that the object fulfills and/or executes this specific function in at least one application and/or operating and/or heating mode.
  • the buffer area has at least one extension along at least one circumferential direction of the induction heating line element, and in particular additionally in at least one direction oriented at least essentially perpendicularly to the plane of extension, which is significantly smaller than an extension, in particular at least a partial section, of the induction heating line element along the circumferential direction of the induction heating line element and in particular as an entire extension of the induction heating unit in the circumferential direction of the induction heating line element.
  • the direction is at least essentially identical to at least one circumferential direction of the induction heating line element.
  • substantially perpendicular is intended here to define in particular an orientation of a direction relative to a reference direction, the direction and the reference direction, viewed in particular in one plane, enclose an angle of 90° and the angle has a maximum deviation of in particular a maximum of 8°, advantageously a maximum of 5° and particularly advantageously a maximum of 2°. In this way, in particular optimal heating properties and/or particularly low electrical losses and/or particularly low line losses and/or a particularly advantageous heat distribution can be made possible.
  • the induction heating element has at least one compensating loop in the buffer area.
  • the compensating loop has at least one compensating bend and/or at least one bent area of the induction heating line element.
  • the compensating loop is provided for at least partial compensation of the thermal extension change of the induction heating element.
  • the induction heating element is at least partially flexible, in particular in the buffer area, in particular due to the compensating loop.
  • the compensating loop and/or the buffer area absorbs at least one thermal extension change of the induction heating line element in at least one heating operating state and advantageously absorbs the thermal extension change of the induction heating line element, which is in particular absorbed.
  • the thermal change in extension of the induction heating line element can be compensated for in particular in a simple and/or uncomplicated manner, as a result of which a quick and/or uncomplicated production of the induction heating line element can be made possible.
  • the induction heating line element could have at least two, in particular at least three, advantageously at least four, particularly advantageously at least five, preferably at least six and particularly preferably several compensation loops in the buffer area.
  • the compensating loops could be arranged in the form of a helical line, for example.
  • the induction heating line element could have at least a helical shape in the buffer area, which could be defined in particular by the compensating loops.
  • the induction heating line element could have at least a V-like shape in the buffer area, which could be defined in particular by the compensating loops.
  • the induction heating line element in the buffer area has at least one section which is in at least one plane which in particular at least essentially perpendicular to at least one extension plane, which is spanned in particular by at least a large part of the induction heating line element, in particular at least has an at least essentially U-like shape and/or, in particular at least, has an at least essentially arc-like shape.
  • the partial section of the induction heating element is defined in particular by the compensating loop and/or is designed identically to the compensating loop.
  • the induction heating line element has at least one section in the buffer area, which is defined in particular by the compensating loop and/or is identical to the compensating loop and which protrudes from at least one extension plane spanned by at least a large part of the induction heating line element.
  • the partial area of the induction heating element has in particular at least one point which is at a distance of at least 2 mm, in particular at least 3 mm, advantageously at least 4 mm, particularly advantageously at least 5 mm and preferably at least 6 mm from the extension plane.
  • the partial area of the induction heating line element has at least one point which is at a distance of at most 40 mm, in particular at most 30 mm, advantageously at most 20 mm, particularly advantageously at most 15 mm and preferably at most 10 mm from the extension plane.
  • a particularly advantageous construction of the induction heating element can be achieved, since the induction heating element can be manufactured in a simple manner, for example by using simple stamping technology and/or pressing technology and/or forming technology.
  • the induction heating line element could, for example, in particular exclusively, have the buffer area.
  • the induction heating line element has at least one further buffer area, which is provided for at least one thermal extension change of the induction heating line element, which is caused in particular by at least one thermal expansion to partially compensate, and which is closest to the buffer area in the circumferential direction of the induction heating element.
  • an extension of the induction heating line element from the buffer area to the further buffer area in the circumferential direction is at most as large as an extension of the induction heating line element from the buffer area to at least one second further buffer area of the induction heating line element that is different from the further buffer area.
  • the buffer area and the further buffer area are part of a thermal compensation unit, which is intended to at least change at least one external dimension of the induction heating line element and advantageously of the induction heating unit, in particular in at least one extension plane spanned by at least a large part of the induction heating line element substantially and advantageously to prevent completely.
  • the thermal compensation unit reduces in particular a change in the external dimensions of the induction heating element, in particular in the extension plane, to a maximum of 10%, in particular to a maximum of 7%, advantageously to a maximum of 5%, particularly advantageously to a maximum of 3%, preferably to a maximum of 2 % and particularly preferably to a maximum of 1%, in particular of an outer dimension of the induction heating line element outside of the heating operating state.
  • the thermal compensation unit is provided to at least essentially and advantageously completely prevent at least one change in a surface extent spanned by the induction heating line element, and advantageously by the induction heating unit, in the plane of extent.
  • the thermal compensation unit reduces a change in a surface area spanned by the induction heating element in the extension plane to a maximum of 10%, in particular to a maximum of 7%, advantageously to a maximum of 5%, particularly advantageously to a maximum of 3%, preferably to a maximum of 2% and particularly preferably to a maximum of 1%, in particular of a surface extent spanned by the induction heating line element outside the heating operating state in the plane of extent.
  • One of that Induction heating line element in at least one heating operating state in the plane of extension differs from a surface area spanned by the induction heating line element outside of the heating operating state in the plane of extension by a maximum of 10%, in particular by a maximum of 7%, advantageously by a maximum of 5%, particularly advantageously by a maximum of 3%, preferably by a maximum of 2% and particularly preferably by a maximum of 1%.
  • the thermal compensation unit has at least three, in particular at least four, advantageously at least six, particularly advantageously at least eight, preferably at least sixteen and particularly preferably a large number of buffer areas, in particular including the buffer area and the further buffer area and/or in addition to the buffer area and the further buffer area. In this way, in particular, optimal heating properties and/or a long-lasting design can be achieved, as a result of which, in particular, a high level of operating convenience and/or brand loyalty on the part of an operator can be ensured.
  • the induction heating line element could have at least one outer dimension, in particular in the extension plane, which could in particular be oval and/or circular and/or elliptical.
  • the induction heating line element has, in particular in the extension plane, in particular at least one outer dimension which is in particular rectangular and/or square.
  • the induction heating line element could in particular be tubular and/or in at least one cross-sectional plane, which in particular could be at least substantially perpendicular to the plane of extent and/or to at least one direction of longitudinal extent of the induction heating line element, at least one oval-shaped and/or circular and/or elliptical and / or have a ring-like shape.
  • the induction heating line element is preferably of flat and/or strip-like design and in particular has at least one longitudinal extent which is significantly larger than a transverse extent of the induction heating line element and than a thickness of the induction heating line element and which in particular has at least one transverse extent which is in particular significantly larger than a thickness of the induction heating element.
  • the induction cooking device has at least one fastening element for at least partial fastening of the induction heating element, which is arranged in the circumferential direction of the induction heating element, in particular at least essentially centrally, between the buffer area and the further buffer area.
  • the fastening element Starting from the buffer area and progressing in the circumferential direction of the induction heating line element, the fastening element in particular follows first and in particular the further buffer area following the fastening element.
  • a section in the circumferential direction of the induction heating line element from the buffer area to the fastening element and a further section in the circumferential direction of the induction heating line element from the fastening element to the further buffer area are at least essentially identical.
  • the distance and the further distance differ in particular by a maximum of 10%, in particular by a maximum of 7%, advantageously by a maximum of 5%, particularly advantageously by a maximum of 3%, preferably by a maximum of 2% and particularly preferably by a maximum of 1%.
  • the fastening element fastens, in particular in at least one heating operating state, at least one fastening section of the induction heating line element, in particular on at least one fastening object.
  • the fastening element fastens in particular the fastening section of the induction heating line element, in particular statically and/or immovably.
  • the fastening element fixes, in particular in at least one heating operating state, in particular the fastening section of the induction heating line element, in particular on at least one fastening object.
  • the induction cooking appliance device has the fastening object.
  • the fastening object could be at least one muffle wall, in particular the muffle, and/or at least one muffle insulation unit, which could in particular be part of the induction cooking appliance device.
  • the induction heating line element has in particular at least one fastening object, which is provided for fastening the induction heating line element to the fastening object and by means of which the induction heating line element is fastened and/or fixed in particular to the fastening object, in particular in at least one heating operating state.
  • the fastener in particular in at least one heating operating state, fastens and/or fixes the induction heating line element alone or advantageously together with at least one further fastening element.
  • the fastening element fastens and/or fixes at least one fastening section of the induction heating line element, in particular in at least one heating operating state.
  • the further fastening element fastens and/or fixes at least one further fastening section of the induction heating line element, which is different from the fastening section of the induction heating line element, in particular in at least one heating operating state.
  • the fastening element could attach the induction heating element, in particular to the fastening object, by means of at least one fastening caused by clamping and/or by means of at least one fastening caused by latching and/or by means of at least one fastening caused by at least one clip, in particular by at least one wire clip, and/or or by means of at least one fastening caused by at least one tab and/or by at least one brim and/or by means of at least one fastening caused by at least one clip and/or by means of at least one fastening caused by at least one seam and/or by means of at least one fastening caused by pressing Fasten and/or fix fastening.
  • a stable configuration can be achieved.
  • a change in thermal extension of the induction heating line element can be compensated for at least substantially equally distributed by the buffer area and the additional buffer area, which means that a change in an external dimension of the induction heating line element and/or a thermal change in extension of the induction heating line element can be minimized.
  • the fastening element and the buffer area are spaced apart from one another in the extension plane, in particular at a maximum, in the circumferential direction of the induction heating line element.
  • the fastening element and the buffer area in the extension plane in the circumferential direction of the induction heating line element are at least 10°, in particular at least 15°, advantageously at least 20°, particularly advantageously at least 25°, preferably by at least 30° and more preferably at least 40° apart.
  • the fastening element and the buffer area in the extension plane starting from a center point and/or center of gravity of the induction heating line element in the extension plane in the circumferential direction of the induction heating line element, are at a maximum of 80°, in particular a maximum of 75°, advantageously a maximum of 70°, particularly advantageously a maximum of 65° , preferably spaced apart by a maximum of 60° and particularly preferably by a maximum of 50°.
  • the fastening element and the further buffer area are spaced apart from one another in the extension plane, in particular at a maximum, in the circumferential direction of the induction heating line element.
  • the fastening element and the further buffer area in the plane of extension are at least 10°, in particular by at least 15°, advantageously by at least 20°, particularly advantageously by at least 25° in the circumferential direction of the induction heating line element , preferably at least 30° and more preferably at least 40° apart.
  • the fastening element and the further buffer area in the plane of extension starting from a center point and/or center of gravity of the induction heating line element in the plane of extension in the circumferential direction of the induction heating line element, are at a maximum of 80°, in particular a maximum of 75°, advantageously a maximum of 70°, particularly advantageously a maximum of 65 °, preferably by a maximum of 60° and particularly preferably by a maximum of 50° apart.
  • the buffer area and the further buffer area in the extension plane are at least 60°, in particular at least 65°, advantageously at least 70°, particularly advantageously at least 75°, starting from a center point and/or center of gravity of the induction heating line element in the extension plane in the circumferential direction of the induction heating line element °, preferably at least 80° and more preferably at least 85° apart.
  • the buffer area and the further buffer area in the extension plane in the circumferential direction of the induction heating line element are at a maximum of 130°, in particular a maximum of 120°, advantageously a maximum of 110°, particularly advantageously a maximum of 105° , preferably spaced apart by a maximum of 100° and particularly preferably by a maximum of 95°.
  • the induction heating element has at least one corner area in which the buffer area is arranged.
  • the corner area is arranged, in particular at least essentially centrally, in particular between at least two edge areas of the induction heating line element and in particular borders on at least two edge areas of the induction heating line element, in particular on the two edge areas of the induction heating line element.
  • the induction heating line element has at least one edge area which in particular borders on the corner area of the induction heating line element in which in particular the buffer area is arranged and in which in particular the fastening element is arranged.
  • the induction heating line element has in particular at least one further corner area, which differs in particular from the corner area and which in particular adjoins the edge area of the induction heating line element in which in particular the fastening element is arranged and in which in particular the further buffer area is arranged.
  • a "corner area" of the induction heating line element is to be understood in particular as a sub-area of the induction heating line element in which a course of the induction heating line element in the circumferential direction of the induction heating line element has a particularly severe bend and/or a kink and/or a corner and/or a particularly severe Has a change in direction and/or a particularly strong curvature.
  • “Strong” is to be understood in particular in a ratio to partial areas of the induction heating line element that are adjacent in the circumferential direction of the induction heating line element, which differ, in particular in each case, in particular over at least 10%, in particular over at least 12%, advantageously over at least 15%, particularly advantageously over at least 17 %, preferably over at least 20% and particularly preferably over at least 23% of an extent, in particular a circuit and / or a turn, of the induction heating line element in the circumferential direction of the induction heating line element.
  • a course of the induction heating line element in the circumferential direction of the induction heating line element in the corner area has a change in direction of at least 45°, in particular of at least 60°, advantageously of at least 70°, particularly advantageously of at least 75°, preferably of at least 80° and particularly preferably of at least 85°.
  • an advantageous and/or optimized construction can be achieved.
  • the induction heating element has at least one edge area in which the buffer area is arranged.
  • the edge area is arranged in particular between at least two corner areas of the induction heating line element and borders in particular on at least two corner areas of the induction heating line element, in particular on the two corner areas of the induction heating line element.
  • the induction heating line element has at least one corner area, which adjoins in particular the edge area of the induction heating line element, in which in particular the buffer area is arranged and in which in particular the fastening element is arranged.
  • the induction heating line element has in particular at least one further edge area, which differs in particular from the edge area and which in particular adjoins the corner area of the induction heating line element in which in particular the fastening element is arranged and in which in particular the further buffer area is arranged.
  • An "edge area" of the induction heating line element is to be understood in particular as a partial area of the induction heating line element in which a course of the induction heating line element in the circumferential direction of the induction heating line element is in particular at least essentially continuous and/or uniform and/or straight and/or free of bends.
  • a course of the induction heating line element in the circumferential direction of the induction heating line element in the edge region has a change in direction of a maximum of 30°, in particular a maximum of 25°, advantageously a maximum of 20°, particularly advantageously a maximum of 15°, preferably a maximum of 10° and particularly preferably a maximum of 5 ° on.
  • a maximum of 30° in particular a maximum of 25°, advantageously a maximum of 20°, particularly advantageously a maximum of 15°, preferably a maximum of 10° and particularly preferably a maximum of 5 ° on.
  • the induction heating line element could, for example, have at least one stranded line and in particular be designed as a stranded line.
  • the induction heating element could have a multiplicity of stranded wires, which could in particular be wound radially and/or azimuthally and which could in particular define and/or form the stranded line.
  • the induction heating line element in particular at least and advantageously has exactly one stamped and bent sheet metal part and is preferably designed as a stamped and bent sheet metal part.
  • the induction heating element, in particular designed as a stamped and bent sheet metal part is stamped out of at least one metal sheet and in particular subsequently deformed in order to produce in particular the buffer area and/or the further buffer area.
  • the induction heating line element is advantageously formed from at least one metal sheet and in particular is cut out of at least one metal sheet.
  • the induction heating element can be manufactured in particular in a simple and/or quick and/or precise manner, in particular by simply using stamping and/or pressing and/or forming. Due to the buffer area in particular, the induction heating line element, in particular designed as a stamped part, can be adapted to a muffle wall and/or the induction heating line element, in particular designed as a stamped part, can be used in connection with a furnace.
  • the induction heating line element could consist at least to a large extent of copper, which in particular can achieve high stability, in particular through at least one, in particular in at least one heating operating state, at least essentially solid and/or stable material and/or through at least one material , which, in particular in at least one heating mode, has a low thermal expansion.
  • the induction heating element consists at least for the most part of aluminum. In this way, in particular, an optimal compromise between costs and line properties of the induction heating line element can be achieved. In particular, a low oxidation rate, in particular in a heating operating state, and/or low costs can be achieved.
  • a particularly advantageous construction can be achieved in particular by an induction cooking appliance, in particular by an induction oven, with at least one induction cooking appliance device according to the invention, in particular with at least one induction oven device.
  • a construction can be improved in particular by a method for producing an induction cooking device according to the invention, which has at least one induction heating unit, which has at least one induction heating line element, the induction heating line element being provided with at least one buffer area, and advantageously in the buffer area with at least one thermal compensation loop. to at least partially compensate for at least one thermal extension change of the induction heating line element, wherein the induction heating line element is provided with at least one section in the buffer area, which protrudes from at least one extension plane spanned by at least a large part of the induction heating line element.
  • the induction heating line element is punched out in at least one punching step, in particular from at least one metal sheet, which advantageously consists at least for the most part of aluminum and/or copper.
  • the induction heating line element which is in particular stamped out, is pressed in particular in at least one pressing step, specifically in particular in order to produce the buffer area and/or the further buffer area.
  • the buffer area and/or the further buffer area advantageously the compensating loop arranged in the buffer area and/or the compensating loop arranged in the further buffer area, is produced in at least one pressing step, in particular by pressing the induction heating element.
  • the pressing step is limited to at least a section of the induction heating line element in which in particular the buffer area and/or the further buffer area, advantageously the compensation loop arranged in the buffer area and/or the compensation loop arranged in the further buffer area, is arranged.
  • the induction heating line element and advantageously also the buffer area in particular in the case of a tubular induction heating line element, could be produced by pressing the induction heating line element.
  • the induction heating line element and advantageously also the buffer area in particular in the case of an induction heating line element designed as a stranded line, could be produced by winding the induction heating line element.
  • the induction cooking device should not be limited to the application and embodiment described above.
  • the induction cooking appliance device can fulfill one of the requirements described herein Functionality have a number of individual elements, components and units that differs from a number mentioned herein.
  • FIG 1 shows in particular an induction cooking device 42a.
  • the induction cooking appliance 42a could be designed as an induction hob and/or as an induction grill appliance.
  • the induction cooking appliance 42a is designed in particular as an induction oven.
  • the induction cooking appliance 42a could be designed as an induction oven and/or as an induction cooker.
  • the induction cooking appliance 42a has in particular at least, and advantageously precisely, an induction cooking appliance device 10a.
  • the induction cooking appliance device 10a could be designed as an induction hob device and/or as an induction grill device device.
  • the induction cooking appliance device 10a is designed in particular as an induction oven device.
  • the induction cooking appliance device 10a could be configured as an induction oven device and/or as an induction cooker device.
  • the induction cooking appliance device 10a has in particular at least, and advantageously precisely, a muffle 44a.
  • the muffle 44a delimits at least, and advantageously exactly, a cooking chamber 46a at least partially.
  • the muffle 44a delimits the cooking chamber 46a at least substantially, in particular together with a cooking appliance door 48a.
  • the induction cooking appliance device 10a has in particular at least one and advantageously the cooking appliance door 48a.
  • the induction cooking appliance device 10a has, in particular, five muffle walls 50a. Of the objects that are present several times, only one is provided with a reference number in the figures.
  • the muffle walls 50a are in particular part of the muffle 44a.
  • One of the muffle walls 50a is designed in particular as a muffle bottom wall 52a.
  • One of the muffle walls 50a is designed in particular as a muffle top wall 54a.
  • One of the muffle walls 50a is in particular as a Muffle rear wall 56a formed.
  • Two of the muffle walls 50a are in particular each formed as a muffle side wall 58a, 60a. In the following, only one of the muffle walls 50a is described in particular.
  • the induction cooking appliance device 10a has in particular at least, and advantageously precisely, an operator interface 64a, in particular for entering and/or selecting operating parameters (cf. figure 1 ), for example a heating power and/or a heating power density and/or a heating zone.
  • the operator interface 64a is provided in particular for outputting a value of an operating parameter to an operator.
  • the induction cooking appliance device 10a has in particular at least, and advantageously precisely, a control unit 66a.
  • the control unit 66a is provided, in particular, to carry out actions and/or change settings as a function of operating parameters entered by means of the user interface 64a.
  • the control unit 66a regulates an energy supply to at least one induction heating unit 12a (cf. Figures 2 to 6 ).
  • the induction cooking appliance device 10a has, in particular, two induction heating units 12a. In particular, only one of the induction heating units 12a is shown in the figures. Alternatively, the induction cooking device 10a could in particular have a different number of induction heating units 12a. For example, the induction cooking appliance device 10a could have precisely one, in particular a single, induction heating unit 12a. Alternatively, the induction cooking appliance device 10a could, for example, have at least three, in particular at least four, advantageously at least five and preferably a plurality of induction heating units 12a.
  • the induction heating units 12a are arranged in particular outside of the cooking chamber 46a.
  • a lower induction heating unit 12a of the induction heating units 12a is arranged, in particular in an installation position, below the muffle wall 50a designed as a muffle bottom wall 52a.
  • the lower induction heating unit 12a is arranged in particular on the muffle wall 50a designed as a muffle bottom wall 52a.
  • An upper induction heating unit 12a of the induction heating units 12a is arranged in particular in an installed position above the muffle wall 50a designed as a muffle top wall 54a.
  • the upper induction heating unit 12a is arranged in particular on the muffle wall 50a designed as a muffle top wall 54a.
  • At least one induction heating unit 12a of the induction heating units 12a could be arranged in particular on a muffle wall 50a embodied as a muffle side wall 58a, 60a and/or on a muffle wall 50a embodied as a muffle rear wall 56a. In the following, in particular, only one of the induction heating units 12a is described.
  • the induction cooking appliance device 10a has in particular at least, and advantageously exactly, one muffle insulation unit 62a (cf. figure 2 ).
  • one muffle insulation unit 62a (cf. figure 2 ).
  • only one of the muffle insulation units 62a is shown in the figures. In the following, only one of the muffle insulation units 62a is described in particular.
  • the muffle insulation unit 62a is provided in particular for insulation, in particular electrical and/or thermal, between the induction heating unit 12a and a muffle wall 50a, on which the induction heating unit 12a is arranged in particular.
  • the muffle insulation unit 62a insulates in particular the induction heating unit 12a and the muffle wall 50a on which in particular the induction heating unit 12a is arranged, in particular electrically and/or thermally, from one another.
  • the induction heating unit 12a has at least, and advantageously precisely, an induction heating line element 14a.
  • the induction heating unit 12a has, in particular, precisely one, in particular a single, induction heating line element 14a.
  • the induction heating element 14a consists in particular at least to a large extent and advantageously entirely of aluminum.
  • the induction heating element 14a has at least, and advantageously precisely, a stamped and bent sheet metal part.
  • the induction heating line element 14a is designed in particular as a stamped and bent sheet metal part.
  • the induction heating line element 14a is formed in one piece.
  • the induction heating unit 12a is in particular designed in one piece.
  • the induction heating line element 14a at least substantially defines the induction heating unit 12a.
  • the induction heating line element 14a at least essentially forms the induction heating unit 12a.
  • the induction heating element 14a is arranged in particular in the manner of a coil.
  • the induction heating element 14a has in particular at least one buffer area 16a (cf. Figures 3 to 6 ).
  • the buffer area 16a is part of at least, and advantageously precisely, a thermal compensation unit 28a.
  • the induction cooking appliance device 10a has in particular at least, and advantageously precisely, a thermal compensation unit 28a.
  • the buffer area 16a is provided in particular to at least partially compensate for at least one thermal extension change of the induction heating line element 14a. In particular in at least one heating operating state, the buffer region 16a at least partially compensates in particular for at least one thermal extension change of the induction heating line element 14a.
  • the buffer area 16a compensates for at least one thermal extension change of the induction heating line element 14a in at least one heating operating state, in particular together with at least one, and advantageously a large number of, further buffer area(s) 26a.
  • the induction heating line element 14a has, in particular in addition to the buffer area 16a, in particular at least one, and advantageously a large number of, further buffer area(s) 26a.
  • the induction heating line element 14a in particular per turn of the induction heating line element 14a, has in particular four buffer areas 16a, 26a, with a particular distinction being made between the buffer area 16a and the further buffer area 26a. The following will in particular only the buffer area 16a and one of the further buffer areas 26a are described.
  • the further buffer area 26a is in particular part of the thermal compensation unit 28a.
  • the buffer area 16a and the further buffer area 26a are part of the thermal compensation unit 28a.
  • the thermal compensation unit 28a is provided in particular to at least essentially prevent at least one change in at least one outer dimension of the induction heating line element 14a. In particular, in at least one heating operating state, the thermal compensation unit 28a at least substantially prevents in particular at least one change in at least one outer dimension of the induction heating line element 14a.
  • the additional buffer area 26a is closest to the buffer area 16a in the circumferential direction 20a of the induction heating element 14a.
  • the additional buffer area 26a is provided in particular to at least partially compensate for at least one thermal extension change of the induction heating line element 14a.
  • the further buffer region 26a at least partially compensates in particular for at least one thermal extension change of the induction heating line element 14a.
  • the buffer area 16a and the further buffer area 26a compensate, in particular jointly, in particular in at least one heating operating state, in particular at least one thermal extension change of the induction heating line element 14a at least substantially and advantageously completely, in particular by at least one change in at least one outer dimension of the induction heating line element 14a at least im essential to prevent.
  • the buffer area 16a and the further buffer area 26a are in particular at least substantially and advantageously exactly identical in design, which is why the buffer area 16a is described below, in particular with regard to an embodiment and/or construction, in particular as a representative. A similar description applies in particular to the further buffer area 26a.
  • the buffer region 16a has in particular at least one extension 18a along at least one circumferential direction 20a of the induction heating line element 14a.
  • the extent 18a of the buffer region 16a along the circumferential direction 20a of the induction heating line element 14a is significantly smaller than an extent 22a of the induction heating line element 14a along the circumferential direction 20a of the induction heating line element 14a (cf. in particular figure 4 ).
  • the extent 18a of the buffer region 16a along the circumferential direction 20a of the induction heating line element 14a is in particular at least essentially 4.7% of the extent 22a of the induction heating line element 14a along the circumferential direction 20a of the induction heating line element 14a.
  • the extension 18a of the buffer area 16a along the circumferential direction 20a of the induction heating line element 14a is at least essentially 18 mm.
  • the extension 22a of the induction heating line element 14a along the circumferential direction 20a of the induction heating line element 14a is, in particular in the present exemplary embodiment, in particular at least essentially 385 mm.
  • the induction heating element 14a has in particular at least, and advantageously precisely, a compensation loop (cf. in particular figure 3 ).
  • the compensating loop is defined by at least one section 24a of the induction heating line element 14a and is advantageously formed by at least one section 24a of the induction heating line element 14a.
  • the induction heating element 14a per buffer area 16a, 26a, the induction heating element 14a, in particular in the advantageously corresponding buffer area 16a, 26a, in particular at least, and advantageously exactly, a partial section 24a.
  • the partial section 24a of the induction heating element 14a has an at least essentially U-like shape, in particular in at least one plane.
  • the plane in which the section 24a of the induction heating line element 14a has in particular the at least essentially U-like shape is in particular aligned at least essentially and advantageously exactly perpendicular to at least one extension plane.
  • the induction heating line element 14a spans the extension plane.
  • the majority of the induction heating line element 14a, which in particular spans the extension plane, is defined in particular by the, in particular entire, induction heating line element 14a minus the buffer area 16a and in particular minus the additional buffer area 26a, advantageously minus all additional buffer areas 26a.
  • the partial section 24a of the induction heating line element 14a protrudes, in particular in the present exemplary embodiment, in particular from at least one plane of extension spanned by at least a large part of the induction heating line element 14a, in particular from the plane of extension.
  • a distance from a point of partial section 24a of induction heating line element 14a that is at a maximum distance from the extension plane is at least essentially 6 mm, in particular in the present exemplary embodiment.
  • the induction cooking appliance device 10a has, in particular, at least one fastening element 30a for at least partially fastening the induction heating line element 14a (cf. figure 6 ).
  • the induction cooking appliance device 10a per winding of the induction heating line element 14a, the induction cooking appliance device 10a has in particular four fastening elements 30a for at least partial fastening of the induction heating line element 14a. In the following, in particular, only one of the fastening elements 30a is described.
  • the fastening element 30a is in particular part of at least one fastening unit 32a.
  • the fastening unit 32a is provided for fastening the induction heating line element 14a.
  • the fastening unit 32a fastens, in particular by means of the fastening element 30a, the induction heating line element 14a, in particular to at least one fastening object.
  • the fastening object could be, for example, the muffle insulation unit 62a and/or, in particular in an alternative exemplary embodiment, at least one muffle wall 50a of the muffle 44a.
  • the fastening element 30a is arranged, in particular at least essentially, and advantageously exactly, centrally, in particular between the buffer area 16a and the further buffer area 26a.
  • the induction heating element 14a has at least one edge area 36a.
  • the induction heating line element 14a has, in particular in addition to the edge area 36a, at least one further edge area 38a, which in particular is closest to the edge area 36a in the circumferential direction 20a of the induction heating line element 14a.
  • the buffer area 16a is arranged in the edge area 36a.
  • the additional buffer area 26a is arranged in the additional edge area 38a.
  • the induction heating element 14a has in particular at least one corner region 34a.
  • the corner area 34a of the induction heating line element 14a is arranged in the circumferential direction 20a of the induction heating line element 14a between the edge area 36a and the further edge area 38a and in particular borders on the edge area 36a and the further edge area 38a.
  • the fastening element 30a in particular in at least one heating operating state, is arranged in the corner region 34a of the induction heating line element 14a.
  • the induction heating line element 14a is provided with the buffer area 16a and in particular additionally with the further buffer area 26a in order to at least partially and advantageously completely compensate for at least one thermal extension change of the induction heating line element 14a.
  • FIG 7 shows in particular an alternative induction cooking appliance device 10b, which is designed in particular as an induction oven device and which in particular has at least one induction heating unit 12b.
  • the induction heating unit 12b has, in particular, at least two induction heating line elements 14b, only one of which is described below.
  • Induction heating line element 14b has in particular at least one buffer area 16b and in particular at least one further buffer area 26b, which in particular, in particular in at least one heating operating state, at least partially and advantageously completely compensate for at least one thermal extension change of induction heating line element 14b.
  • the induction heating element 14b has at least one corner region 34b.
  • the induction heating line element 14b has, in particular in addition to the corner area 34b, at least one further corner area 40b, which in particular is closest to the corner area 34b in the circumferential direction 20b of the induction heating line element 14b.
  • the buffer area 16b is arranged in the corner area 34b.
  • the additional buffer area 26b is arranged in the additional corner area 40b.
  • the induction heating element 14b has in particular at least one edge area 36b and in particular at least one further edge area 38b.
  • the corner area 34b of the induction heating line element 14b is arranged in the circumferential direction 20b of the induction heating line element 14b between the edge area 36b and the further edge area 38b and in particular borders on the edge area 36b and the further edge area 38b.
  • at least one fastening element 30b of the induction cooking device 10b in particular in at least one Heating mode, located in the edge region 36b of the induction heating element 14b.
  • At least one further fastening element 30b of the induction cooking appliance device 10b is arranged, in particular in at least one heating operating state, in the further edge region 38b of the induction heating line element 14b.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Induction Heating (AREA)
  • Cookers (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)

Claims (13)

  1. Dispositif d'appareil de cuisson à induction, en particulier dispositif de four à induction comprenant au moins un bloc de chauffage à induction (12a-b), qui comprend au moins un élément conducteur de chaleur à induction (14a-b), dans lequel l'élément conducteur de chaleur à induction (14a-b) comprend au moins une zone tampon (16a-b), qui est agencée de manière à compenser au moins en partie au moins une variation d'extension thermique de l'élément conducteur de chaleur à induction (14a-b),
    caractérisé en ce que l'élément conducteur de chaleur à induction (14a-b) comprend dans la zone tampon (16a-b) au moins un segment partiel (24a-b), qui fait saillie à partir d'au moins un plan d'extension défini par au moins une grande partie de l'élément conducteur de chaleur à induction (14a-b).
  2. Dispositif d'appareil de cuisson à induction selon la revendication 1, caractérisé en ce que la zone tampon (16a-b) comprend au moins une étendue (18a-b) le long d'au moins une direction périphérique (20a-b) de l'élément conducteur de chaleur à induction (14a-b), qui est essentiellement plus petite qu'une étendue (22a-b) de l'élément conducteur de chaleur à induction (14a-b) le long de la direction périphérique (20a-b) de l'élément conducteur de chaleur à induction (14a-b).
  3. Dispositif d'appareil de cuisson à induction selon la revendication 1 ou 2, caractérisé en ce que l'élément conducteur de chaleur à induction (14a-b) comprend dans la zone tampon (16a-b) au moins une boucle de compensation.
  4. Dispositif d'appareil de cuisson à induction selon l'une des revendications précédentes, caractérisé en ce que l'élément conducteur de chaleur à induction (14a-b) comprend dans la zone tampon (16a-b) au moins un segment partiel (24a-b) qui présente dans au moins un plan une configuration au moins sensiblement en forme de U.
  5. Dispositif d'appareil de cuisson à induction selon l'une des revendications précédentes, caractérisé en ce que l'élément conducteur de chaleur à induction (14a-b) comprend au moins une zone tampon supplémentaire (26a-b), qui est agencée de manière à compenser au moins en partie au moins une variation d'extension thermique de l'élément conducteur de chaleur à induction (14a-b) et qui est la plus proche de la zone tampon (16a-b) dans la direction périphérique (20a-b) de l'élément conducteur de chaleur à induction (14a-b).
  6. Dispositif d'appareil de cuisson à induction selon la revendication 5, caractérisé en ce que la zone tampon (16a-b) et la zone tampon supplémentaire (26a-b) forment une partie d'une unité de compensation thermique (28a-b), qui est ménagée pour empêcher au moins essentiellement au moins une variation d'au moins une dimension extérieure de l'élément conducteur de chaleur à induction (14a-b).
  7. Dispositif d'appareil de cuisson à induction selon la revendication 5 ou 6, caractérisé par au moins un élément de fixation (30a-b) pour une fixation au moins partielle de l'élément conducteur de chaleur à induction (14a-b), qui est disposé entre la zone tampon (16a-b) et la zone tampon supplémentaire (26a-b) dans la direction périphérique (20a-b) de l'élément conducteur de chaleur à induction (14a-b).
  8. Dispositif d'appareil de cuisson à induction selon l'une des revendications précédentes, caractérisé en ce que l'élément conducteur de chaleur à induction (14b) comprend au moins une zone d'angle (34b), dans laquelle la zone tampon (16b) est disposée.
  9. Dispositif d'appareil de cuisson à induction selon l'une des revendications précédentes, caractérisé en ce que l'élément conducteur de chaleur à induction (14a) comprend au moins une zone de bordure (36a), dans laquelle la zone tampon (16a) est disposée.
  10. Dispositif d'appareil de cuisson à induction selon l'une des revendications précédentes, caractérisé en ce que l'élément conducteur de chaleur à induction (14a-b) comprend une pièce de tôle estampée et pliée.
  11. Dispositif d'appareil de cuisson à induction selon l'une des revendications précédentes, caractérisé en ce que l'élément conducteur de chaleur à induction (14a-b) est constitué au moins en grande partie d'aluminium.
  12. Appareil de cuisson à induction, en particulier four à induction, comprenant un dispositif d'appareil de cuisson à induction (10a-b) selon l'une des revendications précédentes.
  13. Procédé de fabrication d'un dispositif d'appareil de cuisson à induction (10a-b), en particulier selon l'une des revendications 1 à 11, qui comprend au moins un bloc de chauffage à induction (12a-b), lequel comprend au moins un élément conducteur de chaleur à induction (14a-b), dans lequel l'élément conducteur de chaleur à induction (14a-b) est pourvu d'au moins une zone tampon (16a-b), pour compenser au moins en partie au moins une variation d'extension thermique de l'élément conducteur de chaleur à induction (14a-b),
    caractérisé en ce que l'élément conducteur de chaleur à induction (14a-b) est pourvu, dans la zone tampon (16a-b), d'au moins un segment partiel (24a-b) qui fait saillie à partir d'au moins un plan d'extension défini par au moins une grande partie de l'élément conducteur de chaleur à induction (14a-b).
EP19208891.2A 2018-12-04 2019-11-13 Dispositif formant appareil de cuisson à induction Active EP3664579B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201831177A ES2764771A1 (es) 2018-12-04 2018-12-04 Dispositivo de aparato de cocción por inducción

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EP3664579A1 EP3664579A1 (fr) 2020-06-10
EP3664579B1 true EP3664579B1 (fr) 2022-07-27

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ES (2) ES2764771A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1428555A (en) * 1972-05-17 1976-03-17 Mitsubishi Electric Corp Induction heating apparatus
CN110073719B (zh) * 2016-12-23 2021-10-08 Bsh家用电器有限公司 烹饪器具装置和用于运行烹饪器具装置的方法
ES2673704B1 (es) * 2016-12-23 2019-05-14 Bsh Electrodomesticos Espana Sa Dispositivo de aparato de coccion
ES2736077A1 (es) * 2018-06-21 2019-12-23 Bsh Electrodomesticos Espana Sa Dispositivo de horno de inducción

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ES2925532T3 (es) 2022-10-18
EP3664579A1 (fr) 2020-06-10

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