EP3560285A1 - Dispositif pour appareil de cuisson et procédé de fabrication d'un dispositif pour appareil de cuisson - Google Patents

Dispositif pour appareil de cuisson et procédé de fabrication d'un dispositif pour appareil de cuisson

Info

Publication number
EP3560285A1
EP3560285A1 EP17829694.3A EP17829694A EP3560285A1 EP 3560285 A1 EP3560285 A1 EP 3560285A1 EP 17829694 A EP17829694 A EP 17829694A EP 3560285 A1 EP3560285 A1 EP 3560285A1
Authority
EP
European Patent Office
Prior art keywords
insulation
heating coil
elements
insulation elements
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.)
Pending
Application number
EP17829694.3A
Other languages
German (de)
English (en)
Inventor
Jose Maria De La Cuerda Ortin
Pablo Jesus Hernandez Blasco
Izaskun JACA EQUIZA
Ignacio Lope Moratilla
Damaso Martin Gomez
Maria Elena Moya Albertin
Carlos Obon Abadia
Pablo RUIZ ARNAL
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 EP3560285A1 publication Critical patent/EP3560285A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—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
    • H05B6/10—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
    • H05B6/1281—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements with flat coils
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the invention proceeds from a cooking device device according to the preamble of claim 1 and from a method for producing a cooking device device according to the preamble of claim 10.
  • Cooking appliances with an insulating support and a heating coil with several windings are known from the prior art, the windings being partially encompassed by the support.
  • cooking devices with two insulating layers and a heating coil arranged between the insulating layers are known, wherein the insulating layers, for example by means of an adhesive, are connected to the heating coil.
  • the object of the invention is in particular to provide a generic Garellavorraum with improved properties in terms of insulation effect.
  • the object is solved by the characterizing features of claims 1 and 10, while advantageous embodiments and further developments of the invention can be taken from the dependent claims.
  • the invention is based on a cooking device device, in particular an oven device and advantageously an induction baking oven device, with at least two insulation elements, in particular a first insulation element and a second insulation element, and with at least one heating coil which at least two, advantageously at least four, preferably at least eight and particularly preferred at least sixteen, has turns and which is at least partially, preferably at least a large part and particularly preferably completely arranged between the insulation elements.
  • At least one of the insulation elements in particular the first insulation element and / or the second insulation element, at least in one direction, at least substantially parallel to a main extension plane of the heating coil, at least partially, preferably at least a large part and particularly preferably completely, is arranged between the Wnditch, in particular such that the insulation element separates the turns from each other and / or spaced.
  • the insulation element forms a positive connection with the turns and / or prevents movement of the turns relative to one another.
  • the term "for at least a large part” is to be understood in particular by at least 55%, advantageously by at least 65%, preferably by at least 75%, more preferably by at least 85% and particularly advantageously by at least 95%.
  • a "cooking device device” is to be understood as meaning, in particular, at least one part, in particular a subassembly, a cooking device, in particular a hob, a grill device, a microwave and / or preferably an oven
  • the cooking appliance device preferably comprises at least one heating unit, preferably designed as an inductor, which comprises at least the heating coil and the insulation elements an “adhesive element” which connects the insulation elements and / or the heating coil to the insulation elements.
  • An insulation element is to be understood in particular to mean an element which is at least partially, preferably z u at least a large part and particularly preferably completely, consists of a, advantageously electrically, insulating material and in particular is intended to isolate the heating coil relative to another object and / or to isolate the turns of the heating coil against each other.
  • at least one partial region of the insulation element facing the heating coil advantageously consists of an electrically insulating material.
  • heating coil is to be understood as meaning, in particular, an advantageously inductive element, in particular an inductive heating element, which consists in particular of at least one, preferably precisely one, heating line, in particular a heating conductor, and in particular a plurality of turns, in particular multiple levels or advantageous in a plane.
  • the heating coil can in particular have a circular, an oval and / or preferably a rectangular shape and / or contour.
  • the heating coil could be designed, for example, as a resistance heating element. However, the heating coil is advantageously designed as an induction heating element. Under one "Winding" of a heating coil should be understood in this context in particular exactly one revolution of the heating coil, in particular the heating line of the heating coil, by 360 °, in particular relative to a central reference point, in particular the center of the heating coil and in particular when viewed perpendicular to a main extension plane.
  • the term "at least substantially parallel” should also be understood to mean, in particular, an orientation of a direction relative to a reference direction, in particular in a plane, wherein the direction relative to the reference direction is a deviation, in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
  • a "main extension plane" of an object should be understood to mean, in particular, a plane which is parallel to a largest side surface of a smallest, in particular imaginary, cuboid which just completely surrounds the object, and which in particular has a center, in particular a geometric center, of In particular, a separation and in particular an insulation of the windings is ensured even at a high temperature,
  • an efficiency in particular a material efficiency, a component efficiency, a space efficiency, a production efficiency
  • an advantageous heat resistance, in particular a connection of the heating coil and the insulation elements can be achieved in particular nbarte embodiment can be achieved, that a connection between turns of the heating coil and the insulation elements material-free, in particular adhesive-free, so that the heating unit is preferably constructed exclusively of heat-resistant materials.
  • At least one of the insulation elements in particular the first insulation element and / or the second insulation element, at least one of the turns, advantageously at least a majority of the turns and particularly preferably all walls in the circumferential direction to at least 30%, in particular at least 40%, advantageously at least 45%, preferably at least 48% and particularly preferably at least 50% encompasses.
  • an effective insulation of the walls from each other and advantageously a stable fixation of the turns can be achieved.
  • At least one of the insulation elements in particular the first insulation element and / or the second insulation element, flat with a maximum material thickness of at most 0.8 mm, in particular of at most 0.5 mm, preferably of at most 0.3 mm and especially preferably of at most 0.25 mm, is formed.
  • the material thickness is at least 0.05 mm, preferably at least 0.1 mm and particularly preferably at least 0.15 mm.
  • a "flat insulation element” is to be understood here in particular as an insulation element in which a largest side surface of a smallest, in particular imaginary, cuboid which just completely encloses the insulation element by at least 50%, advantageously by at least 100%, preferably by at least 200 % and particularly preferably at least 500% larger than any side surface of the cuboid arranged perpendicularly to the largest side surface, whereby in particular a simple design, a low weight and / or a simple processing, in particular deformation, of the insulating elements can be made possible.
  • At least one of the insulation elements in particular the first insulation element and / or the second insulation element, contacts the heating coil, in particular at least one of the turns, advantageously at least a majority of the turns and particularly preferably all turns. In this way, in particular, an effective insulation of the windings can be achieved.
  • the insulation elements in particular the first insulation element and the second insulation element, contact one another, preferably between at least two walls, advantageously between at least a majority of the turns and more preferably between all turns. In particular, this can improve the reliability of the insulation and / or the fixation of the walls.
  • the insulation elements in particular the first insulation element and / or the second insulation element, is integrally formed.
  • integral should be understood to mean, in particular, at least a materially bonded connection
  • the material bond may be produced, for example, by an adhesive process, an injection process, a welding process, a soldering process and / or another process
  • this is a piece of a single blank, a mass and / or a casting, such as in an extrusion process, in particular a one- and / or multi-component extrusion process, and / or in an injection molding process, in particular a single and / or multi-component injection molding process.
  • a simple and / or cost-effective production and / or a high stability of the insulation elements can be achieved.
  • the insulation elements in particular the first insulation element and the second insulation element, are integrally connected.
  • a stability of the insulation elements and / or the heating unit can be improved and / or an advantageous fixation of the turns of the heating coil can be achieved.
  • the insulation elements are at least substantially identical to one another.
  • objects of at least substantially identical construction are meant in particular objects which have at least substantially identical exterior shapes to each other, but which may differ from one another in at least one feature, advantageously an internal structure and / or a mode of operation
  • substantially identical objects are identical to one another
  • the insulation elements are arranged congruent to one another at least in one direction perpendicular to the main extension plane of the insulation elements
  • a cost-effective production, cost-effective transport and / or cost-effective storage of the insulation elements can be achieved e simplified and / or a compact design can be realized.
  • the invention is based on a method for producing a cooking appliance device, which has at least two insulation elements, in particular a first insulation element and a second insulation element, and at least one heating coil with at least two, advantageously at least four, preferably at least eight and particularly preferably at least sixteen turns in which the heating coil is arranged at least partially, preferably at least to a large extent and particularly preferably completely, between the insulation elements.
  • At least one of the insulation elements in particular the first insulation element and / or the second insulation element, viewed at least in one direction parallel to a main extension plane of the heating coil, at least partially, preferably at least a majority and especially is preferably arranged completely between the windings, in particular such that the windings are separated from each other and / or spaced.
  • an insulation effect can be improved.
  • a separation and in particular an insulation of the turns is ensured even at a high temperature.
  • an efficiency in particular, a material efficiency, a component efficiency, a packaging space efficiency, a production efficiency, a heating efficiency and / or a cost efficiency can be improved.
  • an advantageous heat resistance in particular a connection of the heating coil and the insulation elements, can be achieved.
  • a connection between windings of the heating coil and the insulation elements is free of material, in particular free of adhesive, so that the heating unit can preferably be constructed exclusively from heat-resistant materials.
  • At least one of the insulation elements in particular the first insulation element and / or the second insulation element, be plastically deformed. In this way, in particular a permanent deformation of the insulation elements can be achieved.
  • At least one of the insulation elements in particular the first insulation element and / or the second insulation element, in particular with at least one resin and / or at least one plastic, is impregnated.
  • a flexibility for example a breaking strength, and / or a deformability of the insulating elements can be improved.
  • the pressure is greater than an atmospheric pressure, for example at least 1 kg / cm 2 , advantageously at least 5 kg / cm 2 , preferably at least 15 kg / cm 2 , particularly preferably at least 35 kg / cm 2 and particularly advantageously at least 80 kg / cm 2 .
  • the temperature is in particular higher than a room temperature, for example at least 100 ° C, advantageously at least 200 ° C, preferably at least 300 ° C, more preferably at least 450 ° C and most preferably at least 600 ° C.
  • a room temperature for example at least 100 ° C, advantageously at least 200 ° C, preferably at least 300 ° C, more preferably at least 450 ° C and most preferably at least 600 ° C.
  • FIG. 1 shows a part of an example designed as an oven cooking appliance with a cooking appliance device in a schematic representation
  • Fig. 5 is an exemplary flowchart of a method for producing the
  • Fig. 6 shows the method of Figure 5 with the insulation elements and the heating coil in front of a
  • FIG. 7 shows a further exemplary embodiment of a cooking device device with two heating coils and three insulation elements in an exploded view.
  • the cooking appliance 10a is designed as an induction cooking appliance, in the present case in particular as an induction baking oven.
  • a cooking appliance could be used as an induction hob, as an induction grill and / or as one Induction microwave to be formed.
  • the cooking appliance is designed as a conventional cooking appliance, for example as a microwave.
  • the cooking appliance 10a comprises a cooking device device.
  • the cooking appliance device comprises a device housing 12a (only partially shown).
  • the device housing 12a defines a, in particular contiguous, cooking chamber 14a.
  • the device housing 12a comprises an outer housing (not shown) and a muffle 16a which is arranged within the outer housing and delimits the cooking chamber 14a.
  • the cooking device device comprises a device closure element (not shown).
  • the device closure element is designed in the present case as a device flap.
  • the device closure element is intended to close the cooking chamber 14a.
  • a device closure element could also be designed as a device door.
  • the cooking appliance device further comprises at least one heating unit 24a.
  • the heating unit 24a is integrated in the device housing 12a.
  • the heating unit 24a is disposed between a muffle wall of the muffle 16a and the outer casing.
  • the heating unit 24a is arranged on the muffle wall, in particular fastened.
  • the heating unit 24a is further formed flat.
  • the cooking appliance device advantageously to the heating unit 24a, can have at least substantially identical, further heating units, which, however, are not shown in FIG. 1 for the sake of clarity.
  • a cooking appliance device could comprise at least two, advantageously at least three and particularly preferably at least four heating units.
  • FIG. 2 shows the heating unit 24a in an exploded view.
  • the heating unit 24a is intended to heat a cooking product located in the cooking chamber 14a.
  • the heating unit 24a comprises a heating coil 30a.
  • the heating coil 30a is designed as an induction heating element.
  • the heating coil 30a is formed from a band-shaped heating conductor, which in the present case has in particular a rectangular cross-section.
  • the heating coil 30a is formed of a single heating conductor.
  • the heating coil 30a is formed of copper.
  • the heating coil 30a includes a plurality of turns 34a, 36a.
  • the heating coil 30a comprises a total of seventeen windings 34a, 36a, wherein in the figures for the sake of clarity only two of the windings 34a, 36a are provided with reference numerals.
  • the windings 34a, 36a of the heating coil 30a form a flat coil plane. All windings 34a, 36a of the heating coil 30a are arranged in the coil plane.
  • the heating coil 30a has a substantially rectangular shape when viewed in a plan view.
  • a heating unit could have several heating coils.
  • a heating coil could have one of seventeen different number of turns.
  • a heating coil could have a substantially round, oval and / or triangular shape when viewed in a plan view.
  • the heating unit 24a further comprises two insulation elements 26a, 28a, in particular a first insulation element 26a and a second insulation element 28a (see in particular FIGS 3).
  • the insulation elements 26a, 28a are at least substantially identical in construction.
  • the insulation elements 26a, 28a are made of an electrically insulating material, in the present case in particular mica.
  • the insulation elements 26a, 28a are each formed in one piece.
  • the insulation elements 26a, 28a are formed flat. A maximum material thickness of the insulation elements 26a, 28a is at most 0.3 mm.
  • the insulation elements 26a, 28a In an assembled state, the insulation elements 26a, 28a, in particular with respect to the coil plane, are arranged on different sides of the heating coil 30a.
  • a respective main extension plane of the insulation elements 26a, 28a is arranged parallel to the coil plane.
  • the heating coil 30a is disposed between the insulating members 26a, 28a. Further, the insulation members 26a, 28a contact the heating coil 30a on both sides.
  • a cooking appliance device could have more than two isolation elements. Also, isolation elements could basically be formed differently from each other.
  • At least one of the insulation elements 26a, 28a in the present case in particular the first insulation element 26a, has an insulation recess 42a.
  • the isolation recess 42a is arranged in a central region of the first insulation element 26a and serves, in particular, for electrical contacting of the heating coil 30a.
  • an insulation recess could be arranged in any other area of an insulation element, for example in an edge region and / or in the region of an edge.
  • both insulation elements could also have an isolation recess.
  • Figure 4 shows the heating unit 24a in a sectional view in a fully assembled state.
  • the insulation elements 26a, 28a viewed in at least one direction parallel to a main extension plane of the heating coil 30a, are arranged between the walls 34a, 36a.
  • the insulation elements 26a, 28a surround the windings 34a, 36a in the circumferential direction in each case to at least 30%, whereby in particular an advantageous insulation between the windings 34a, 36a of the heating coil 30a can be achieved.
  • the first insulation element 26a surrounds the windings 34a, 36a by 50% from a first side of the heating coil 30a.
  • the second insulation element 28a surrounds the walls 34a, 36a by 50% from a second side of the heating coil 30a.
  • the insulation elements 26a, 28a are arranged such that the insulation elements 26a, 28a contact each other.
  • the insulation elements 26a, 28a are integrally connected. Alternatively, however, an integral connection of insulation elements could also be dispensed with.
  • FIG. 5 shows an example flow diagram of a method for producing the cooking appliance device.
  • a first method step 100a at least one of the insulation elements 26a, 28a is impregnated with a synthetic resin. Alternatively, however, such an impregnation could also be dispensed with.
  • a second method step 102a the heating coil 30a is placed between the insulation elements 26a, 28a. Subsequently, the insulation elements 26a, 28a are plastically deformed. For this, at least one of the insulation elements 26a, 28a is at least in a direction parallel to a main extension plane of the heating coil 30a with an increased pressure 110a, in the present case a pressure of at least 15 kg / cm 2 , and an elevated temperature 112a, in the present case a temperature of at least 300 ° C, acted upon, so that the insulation elements 26a, 28a in particular form fit around the windings 34a, 36a set (see in particular also Figure 6).
  • an increased pressure 110a in the present case a pressure of at least 15 kg / cm 2
  • an elevated temperature 112a in the present case a temperature of at least 300 ° C, acted upon, so that the insulation elements 26a, 28a in particular form fit around the windings 34a, 36a set (see in particular also Figure 6).
  • a third method step 104a the insulation elements 26a, 28a are cured.
  • FIG. 7 shows a further exemplary embodiment of the invention.
  • the following descriptions and the drawings are essentially limited to the differences between the exemplary embodiments, wherein, with regard to identically named components, in particular with regard to components having the same reference numbers, in principle also to the drawings and / or the description of the other embodiment, in particular FIGS to 6, can be referenced.
  • the letter a is the reference numerals of the embodiment in the figures 1 to 6 adjusted.
  • the letter a is replaced by the letter b.
  • the further embodiment of Figure 7 differs from the previous embodiment, at least substantially by an embodiment of a heating unit 24b.
  • first insulating member 26b and the third insulating member 29b are disposed between turns 34b, 36b, 38b, 40b of the heating coils 30b, 32b at least in a direction parallel to a main extension plane of the heating coils 30b, 32b.
  • second insulation element 28b could also be arranged at least partially between the windings 34b, 36b, 38b, 40b of the heating coils 30b, 32b.

Landscapes

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

Abstract

L'invention concerne un dispositif pour appareil de cuisson comprenant au moins deux éléments d'isolation (26a; 26b; 28a; 28b, 29b) et au moins une bobine de chauffage (30a; 30b, 32b) qui comporte au moins deux spires (34a; 34b; 36a; 36b, 38b, 40b) et qui est disposée au moins en partie entre les éléments d'isolation (26a; 26b; 28a; 28b, 29b). Le but de l'invention est d'améliorer un effet d'isolation. À cet effet, au moins l'un des éléments d'isolation (26a; 26b; 28a; 28b, 29b) est disposé au moins en partie entre les spires (34a; 34b; 36a; 36b, 38b, 40b), vu au moins dans une direction parallèle à un plan principal de la bobine de chauffage (30a; 30b, 32b).
EP17829694.3A 2016-12-23 2017-12-12 Dispositif pour appareil de cuisson et procédé de fabrication d'un dispositif pour appareil de cuisson Pending EP3560285A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201631672 2016-12-23
PCT/IB2017/057821 WO2018116060A1 (fr) 2016-12-23 2017-12-12 Dispositif pour appareil de cuisson et procédé de fabrication d'un dispositif pour appareil de cuisson

Publications (1)

Publication Number Publication Date
EP3560285A1 true EP3560285A1 (fr) 2019-10-30

Family

ID=60990833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17829694.3A Pending EP3560285A1 (fr) 2016-12-23 2017-12-12 Dispositif pour appareil de cuisson et procédé de fabrication d'un dispositif pour appareil de cuisson

Country Status (4)

Country Link
US (1) US20190373684A1 (fr)
EP (1) EP3560285A1 (fr)
CN (1) CN110073721B (fr)
WO (1) WO2018116060A1 (fr)

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
JPH04319288A (ja) * 1991-04-17 1992-11-10 Mitsubishi Electric Home Appliance Co Ltd 加熱調理器
CN1138454C (zh) * 1997-12-05 2004-02-11 皇家菲利浦电子有限公司 浸入式加热件和制造方法
JP2005251509A (ja) * 2004-03-03 2005-09-15 Susumu Kiyokawa 面状ヒーター
CN2746701Y (zh) * 2004-09-24 2005-12-14 上海正捷电子有限公司 一种用于电磁炉的加热线圈盘
DE102005005526A1 (de) * 2005-01-31 2006-08-24 E.G.O. Elektro-Gerätebau GmbH Träger für eine Induktionsspule, Induktionsheizeinrichtung, Induktionskochfeld und Verfahren zum Herstellen einer Induktionsheizeinrichtung
DE102005056501A1 (de) * 2005-11-28 2007-05-31 Schott Ag Flaches Induktionskochsystem
KR20110040120A (ko) * 2009-10-13 2011-04-20 삼성전자주식회사 조리기기용 가열장치와 그 제조방법 및 조리기기
US20130270260A1 (en) * 2010-02-12 2013-10-17 Panasonic Corporation Induction heating coil and induction heating device
JP5636898B2 (ja) * 2010-11-17 2014-12-10 東芝ホームテクノ株式会社 加熱コイルおよび誘導加熱装置
CN202841574U (zh) * 2012-08-16 2013-03-27 东莞市天冠节能科技有限公司 电磁发热装置
ES2653935T3 (es) * 2013-02-06 2018-02-09 Mitsubishi Electric Corporation Bobina de calentamiento por inducción y aparato de calentamiento por inducción que utiliza dicha bobina
WO2015095885A1 (fr) * 2013-12-20 2015-06-25 Peterson Theresa Dispositif vertical de cuisson de tortilla

Also Published As

Publication number Publication date
CN110073721B (zh) 2023-02-17
CN110073721A (zh) 2019-07-30
WO2018116060A1 (fr) 2018-06-28
US20190373684A1 (en) 2019-12-05

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