EP4030103A1 - Boîtier de commande pour une plaque de cuisson et plaque de cuisson - Google Patents

Boîtier de commande pour une plaque de cuisson et plaque de cuisson Download PDF

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Publication number
EP4030103A1
EP4030103A1 EP22150875.7A EP22150875A EP4030103A1 EP 4030103 A1 EP4030103 A1 EP 4030103A1 EP 22150875 A EP22150875 A EP 22150875A EP 4030103 A1 EP4030103 A1 EP 4030103A1
Authority
EP
European Patent Office
Prior art keywords
support plate
control housing
connecting means
screw
type
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
EP22150875.7A
Other languages
German (de)
English (en)
Inventor
Thomas Föller
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau 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 EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Publication of EP4030103A1 publication Critical patent/EP4030103A1/fr
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/08Arrangement or mounting of control or safety devices
    • F24C7/082Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F24C7/083Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on tops, hot plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/10Tops, e.g. hot plates; Rings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12Cooking devices
    • H05B6/1209Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2206/00Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/02Induction heating
    • H05B2206/022Special supports for the induction coils

Definitions

  • the invention relates to a control housing for a hob with a support plate and the control housing on its underside.
  • the invention also relates to a hob with such a control housing.
  • Heating devices are arranged on the support plate.
  • a controller and/or electronics for the cooktop and possible further functional units can be provided in the control housing, for example fans, power electronics or the like, in particular for supplying the heating devices.
  • the support plate and control housing are actually two separate parts, and they are firmly and positively connected to one another when the hob is installed.
  • the invention is based on the object of creating a control housing for a hob as mentioned at the outset and such a hob with which problems of the prior art can be solved and in particular it is possible to firmly connect the support plate and control housing to one another with the greatest possible variability and at the same time lighter Manufacturability, also of the entire hob.
  • control housing having the features of claim 1 and by a hob having the features of claim 11.
  • Advantageous and preferred configurations of the invention are the subject matter of the other claims and are explained in more detail below. Some of the features are only described for the control housing or only for the hob. However, independently of this, they should be independent of one another both for such a control housing and for a cooktop may apply.
  • the wording of the claims is made part of the content of the description by express reference.
  • the control housing is provided for control and/or electronics for the hob and possibly for other functional units.
  • the controller housing has peripheral side walls and is open at the top, with the side walls having top edges and these top edges defining a plane. It has connecting means with which the support plate and the control housing are positively connected to one another, this connection also being detachable.
  • the support plate and the control housing are two separate parts that have been manufactured separately, advantageously from different materials. When the hob is assembled, they are in an end position next to one another and are firmly and positively connected to one another.
  • the support plate can be attached to the underside of a hob plate of the hob and then carries the control housing with it.
  • the connecting means are designed or provided in a first type and/or in a second type. It is possible that connecting means of both types are provided in their entirety. Advantageously, however, only or mainly or predominantly one of the connecting means is fully provided. Parts of it can then be provided for the other connecting means, but not completely.
  • the connecting means of the first type have hooks on the underside of the support plate and corresponding contact surfaces, ie counterparts for the hooks, on the control housing.
  • the hooks are designed in such a way that they can be attached together with the support plate in one attachment direction to the control housing or to the contact surfaces or at their beginning.
  • the abutment surfaces are essentially parallel to the plane formed by the top edges of the side walls.
  • the support plate and control housing or hook and contact surfaces are moved relative to one another in an end direction that deviates from the attachment direction.
  • the end direction is advantageously approximately at right angles thereto.
  • the hooks point in this end direction in a particularly advantageous manner. This end direction can run essentially parallel to the support plate and/or to the contact surfaces.
  • connection between the support plate and the control housing can be established in the end position.
  • the hooks and the contact surfaces secure the support plate in a form-fitting manner in the direction perpendicular to its surface on the control housing or the connection of the two parts to one another.
  • the support plate and the control housing are then secured to one another or to one another in such a way that a relative movement back against the end direction is prevented, which could therefore detach the hooks from the contact surfaces.
  • the connecting means of the second type have holes in the support plate and screw sockets with screw holes therein on the control housing. Screws engage through the holes in the support plate in the screw mounts or their screw holes and are screwed into it.
  • One direction of the screw holes can run essentially perpendicularly to the surface of the support plate, alternatively also at an angle of up to 30° to it.
  • the holes in the support plate correspond to the screw holes or are located above the screw holes.
  • the connecting means of the third type also have holes in the support plate and screw receptacles with screw holes therein on the control housing, screws in turn engaging through the holes in the support plate into the screw receptacles or their screw holes and being screwed therein.
  • the screw sockets of the connecting means of the second type are higher and/or reach closer to the plane defined by the upper edges of the side walls than the screw sockets of the connecting means of the third type.
  • control housing has both the contact surfaces for the hooks and the screw receptacles for the screws for all three types of connecting means.
  • control housing can always be designed the same, only the support plate is designed differently or differently designed connecting means can be used by the counterparts, which are provided as hooks or holes on the support plate and as screws.
  • connection means of one type can be used alone without the respective other types or can be provided. All three types are provided on the support plate or the support plate has them. Under certain circumstances, several different types of connecting means can also be provided.
  • a possible advantageous embodiment of the invention which is explained in more detail below, can be such that predominantly hooks in a larger number, for example 10 hooks to 25 hooks, are provided on the support plate and form connecting means of the first type.
  • a few screws can be provided as the connecting means of the second type, for example one screw or two screws to five screws.
  • the hooks can be provided for the hooks that they are machined out of the support plate, preferably not being attached to it as previously separate parts. In particular, they can be punched out therein and then bent out, so that they do not have to be manufactured separately and, above all, not have to be attached separately to the support plate. They can in particular be bent downwards by 90°. All hooks are advantageously of the same or identical design, in particular with a hook base and a hook section protruding therefrom. The hooks can be connected to or hang from the support plate by means of the hook base. The hook section is then free from the support plate or is at a certain distance from it. It or an upper side pointing towards the support plate has a contact edge. The hook or the hook section then rests with this contact edge on the contact surface of the control housing.
  • a distribution of hooks or hooks or screws on the support plate and contact surfaces or screw receptacles including screw holes therein on the control housing is advantageous in such a way that the support plate and control housing only fit together in a single possible position, which is then a correct position.
  • hooks they can only be attached to one another in a single possible relative orientation to one another and connected to one another by movement along the aforesaid final direction. In this way, incorrect assembly can be reliably prevented.
  • the hooks and the contact surfaces are designed in such a way that play is provided when the hooks are moved towards the contact surfaces. This allows the hooks to engage the contact surfaces more easily. In the end position, on the other hand, there should be no more play, so that the hooks are firmly in contact with the contact surfaces and are pressed.
  • the contact surfaces can stand or run at an angle of 1° to 10° to a surface of the support plate, which is considered sufficient as a slope. In this case, a contact edge of the hook, which is intended to rest against a contact surface, can preferably run parallel to these contact surfaces.
  • the screw receptacles of the connecting means of the second type can extend with a top right up to the plane that is defined by the top edges of the side walls. Furthermore, it can then be provided that the screw receptacles of the connecting means of the third type end with an upper side between 2 mm and 5 mm below the plane that is defined by the upper edges of the side walls. Thus, a height difference between the two types of connection means can be between 2 mm and 5 mm.
  • a direct bearing of the support plate with its underside on top of the side walls of the control housing is considered advantageous for a particularly stable attachment of the support plate to it.
  • warping or bending of the support plate can also be reduced or prevented.
  • Each abutment surface may be provided on an abutment portion protruding from the side wall.
  • the contact sections advantageously protrude outwards or from an outside of the side wall. This makes it possible for an interior space in the control housing between the side walls or within the side walls to be free of the connecting means.
  • metallic parts that are electrically conductively connected to the support plate can also be kept away from the interior of the control housing.
  • the aforesaid abutment sections can in principle each be of the same or identical design. They can have an upper side which lies either in one plane with an upper edge of the side walls of the control housing, so that the support plate also rests on it with its underside. Alternatively, they can be below the underside of the support plate, for example a maximum of 5 mm below.
  • guide walls are provided on the contact surfaces as a lateral guide for the hook or the hook section, which particularly preferably protrude downwards from the contact surfaces in a direction away from the support plate.
  • Two guide walls can therefore be provided at a distance from one another per contact surface, with the contact surface in between.
  • the guide walls can have a decreasing distance from one another in the direction along the end direction. The groove-like guide between the guide walls then becomes narrower along the end direction, as a result of which it is possible to more precisely fix the hook in a desired position on the contact surface when fastening or when moving along the end direction.
  • At least half of the contact surfaces are provided on a contact section protruding from the side wall, preferably at least 80% of the contact surfaces.
  • the contact sections can protrude outwards from an outside of the side walls.
  • the screw receptacles can be tubular with the screw holes therein and can be integrally formed on the control housing. At least 60%, in particular at least 90%, of the cross section of a screw receptacle can lie outside a side wall of the control housing, ie protrude from it.
  • the screw receptacles are particularly advantageously located completely outside the side walls at a distance therefrom and are each connected to the side wall with webs.
  • the screw receptacles are preferably provided on the outside of the side walls.
  • the screw mounts of the connecting means of the third type remain below the said level, for example 1 mm to 10 mm or 1 mm to 5 mm below. This is particularly advantageous if indentations are provided around the holes in the support plate, for example in order to be able to countersink a screw with its screw head, so to speak. This depression, which continues downwards, then also rests on the upper side of this deeper screw receptacle, which in turn ensures a secure fit and helps to avoid bending of the support plate.
  • a preferred controller housing is rectangular in shape. Particularly preferably, at least 80% of all connecting means, regardless of their type, run along two opposite sides of the support plate and the control housing. This applies in particular in the case of hooks as connecting means of the first type, in which case the connecting means are arranged in a row parallel to the end direction mentioned.
  • further connecting means can be provided on the intervening sides of the support plate and the control housing. These can in particular be at least partially connecting means of the second or third type with screw receptacles on the control housing and matching holes in the support plate. In the final position, these holes in the support plate are aligned with the screw holes in the screw mounts.
  • a fastening of the support plate and control housing can be achieved along these sides against the attachment direction. Above all, however, it can also be achieved that the hooks are prevented from disengaging from the contact surfaces, so that the connection cannot become loose. It is also possible that further connecting means of the first type are provided along these intermediate sides.
  • all the screw holes on the control housing run in parallel directions. Furthermore, it can generally advantageously be provided that all the hooks on the support plate point in the same direction or are parallel to one another.
  • Aforesaid indentation in the support plate around holes may cause a head of a screw to be countersunk or not protrude above a plane of the top of the support plate.
  • Such an indentation can be between 2 mm and 5 mm deep. It may extend between 1mm and 10mm around the hole in the support plate, so it need not be much larger than is strictly necessary to accommodate the screw head.
  • hooks can be arranged on the underside of the support plate for the connecting means of the first type. These hooks are designed to attach to the contact surfaces in an attachment direction and then to move the two parts relative to one another in an end direction that deviates from the attachment direction in order to establish the connection in the end position.
  • the end direction runs essentially parallel to the support plate and/or to the contact surfaces, with the hooks and the contact surfaces securing the support plate in the end position in a form-fitting manner in the direction perpendicular to the surface of the support plate.
  • holes in the support plate and screws for the screw receptacles can be provided for the connecting means of the second type or for the connecting means of the third type.
  • the hob can therefore have either only the connecting means of the first type or only the connecting means of the second type or only the connecting means of the third type.
  • Combinations of connecting means of several types can also be provided. This is particularly the case when the hooks are provided as connection means of the first type. They are preferably supplemented by connecting means of the second type or the third type, since their screws reliably prevent the control housing and support plate from being loosened accidentally. If mainly connecting means of the second type or the third type are provided, then these can also be provided alone, ie not combined with further connecting means of one of the other types.
  • the screws lie on top of the top side of the support plate corresponding to the plane of the support plate.
  • the support plate is flat or even.
  • An underside of the support plate lies in the area of the screws on the screw receptacles of the connecting means of the second type.
  • a recess is provided in the support plate around the holes in the support plate, in particular by punching.
  • the indentation may be between 2mm and 5mm deep and/or extended between 1mm and 10mm around the hole in the support plate.
  • a bottom of The support plate rests in the area of each depression on the screw receptacles of the connecting means of the third type.
  • a control housing 30 is shown for a hob 11 according to the invention in a first embodiment of the invention, but without heating devices and hob plate, with the heating devices HE being indicated by dashed lines.
  • the hob plate is then placed on these heating devices HE in a known manner and connected to the arrangement shown here.
  • This hob 11 is designed for the third connection means according to the invention in the form of screws 20, which sit in depressions 18 of a support plate 13, to establish the connection to the control housing 30 underneath. From the 1 it can be seen that 4 heaters HE can be provided.
  • a connection between the support plate 13 and the control housing 30 is made by means of 17 screws 20. This screw connection is shown in detail in FIGS Figures 2 to 4 to recognize.
  • the depression 18 extends about 4 mm below an underside 15 of the support plate 13 and rests there on a deep screw receptacle 33 on a side wall 31 of the control housing 30 .
  • the entire underside 15 of the support plate 13 rests on an upper edge 32 of the side wall 31, so that a full, stable and reliable support is provided. This can also be found in detail in the 4 be seen. This is the peculiarity of the lanyards of the third kind.
  • FIG 5 is similar in a view of the controller housing 30.
  • FIG 2 shown only without support plate 13 and in enlargement, as a top of the deep screw socket 33 with the screw hole 34 therein below the top edge 32 of the side wall 31 remains.
  • the deep screw receptacles 33 are connected to the side wall 31 via a connecting web 35 or the entire control housing 30 is produced in a single step, in particular as an injection molded part.
  • This shoulder ridge 35 allows the deep screw receptacle 33 to be located slightly away from the side wall 31 for secure attachment and with the result that all the screws 20 are properly engaged 1 are relatively far outside on an outer edge of the support plate 13.
  • a circumferential reinforcing rib 42 is formed on the control housing 30 or on the outside of its side wall 31 at the bottom of the deep screw receptacle 33 of the connecting means of the third type.
  • a connecting web 41 goes from the deep screw socket 33 to the right, also connected to the reinforcing rib 42, to another high screw socket 37 of the connecting means of the second type, which is also tubular or similar, only slightly higher. It is connected to the reinforcing rib 42 at the bottom and has its own shoulder 40 on the outside of the side wall 31 .
  • a somewhat smaller extension 38 in the form of a round cylinder is provided on top of the high screw receptacle 37 . It is about 4 mm further up than the deep screw mount 33.
  • the high screw mount 37 has its own screw hole 39. Both screw holes 34 and 39 are formed so that self-tapping screws 20 can be used, as are known for such purposes.
  • a contact section 45 extends from the deep screw receptacle 33 to the left, which is provided for an initially mentioned configuration of the connecting means with hooks.
  • the contact section 45 has ribs on its upper side for a stable configuration. He points downwards, like above all the Figures 4 and 6 show a guide groove 46 formed by two guide walls 48 .
  • the guide groove 46 has a bottom which forms a contact surface 49 (not shown here) for the aforementioned hooks.
  • the guide walls 48 become wider from left to right, ie in the longitudinal course of the guide groove 46, as a result of which the guide groove 46 itself becomes narrower and is formed in the manner of a triangle. This direction corresponds to the end direction E mentioned at the outset, which is also shown here. Further details on this follow in the following description of the further exemplary embodiment of the invention.
  • a second embodiment of the invention is shown with a hob 111, in which the connecting means of the first type according to the invention are provided with the hooks.
  • These hooks 22 are in the Figures 9 to 11 and especially 14 shown in detail and easy to recognize.
  • the hooks 22 are all of identical design and have a hook base 23 with which they are still connected to the rest of the support plate 113, protruding beyond its underside 115 downwards.
  • An elongate hook section 25 extends at right angles from the hook base 23 in a direction approximately in the end direction E. It has a contact edge 26 on its upper side, see above all FIGS 14 .
  • the punching out and bending out of the hooks 22 from the support plate 113 is known and easy to carry out.
  • a screw can be screwed through the hole 117 in the high screw receptacle 37 .
  • This screw connection only has to prevent the back movement against the end direction E.
  • similar recesses around the holes 117 could also be used 2 be provided so that the heads of the screws are not on a top 114 of the support plate 113 upwards.
  • the guide walls 48 precisely guide the front ends of the hook sections 25 during the connection or during movement along the end direction E, namely increasingly narrowly or tapering. This is to prevent them from bending or the like as soon as the contact edges 26 bear with pressure against the contact surfaces 49 . deviate laterally, which negatively affects the strength of the final connection would affect. Furthermore, it can be achieved that in the firmly connected state the support plate 113 and the control housing 30 are in an exactly predetermined position relative to one another.
  • FIG. 15 and 16 a third embodiment of the invention is shown for a hob 211, the connecting means of the second type again having screws 20 here.
  • the support plate 213 again has 17 holes, but without any indentation. These holes are located just above the high screw mount 37, like the 16 indicates.
  • the screws 20 can thus be screwed into the screw holes of the high screw receptacle 37, with an underside 215 of the support plate 213 resting on top of the high screw receptacles 37 or their extensions 38 and on top of the side walls 31 of the control housing 30 or on their upper edges 32.
  • the heads of the screws 20 here protrude upwards over a plane or top side 214 of the support plate 213, this may not be a problem.
  • the production of the support plate 213 is much simpler, since only the holes and no indentations have to be made.
  • the provision of the high screw receptacles 37 with the extensions 38 in this embodiment means that the screws 20 can be tightened and the underside 215 of the support plate 213 firmly on both the high screw receptacles 37 and the underside 215 on top of the upper edges 32 of the side walls 31 rests without the support plate 213 being distorted. This would be different if this type of screwing were to be carried out on the deep screw receptacles 33.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connection Of Plates (AREA)
EP22150875.7A 2021-01-14 2022-01-11 Boîtier de commande pour une plaque de cuisson et plaque de cuisson Pending EP4030103A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021200328.1A DE102021200328A1 (de) 2021-01-14 2021-01-14 Steuerungsgehäuse für ein Kochfeld und Kochfeld

Publications (1)

Publication Number Publication Date
EP4030103A1 true EP4030103A1 (fr) 2022-07-20

Family

ID=79316642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22150875.7A Pending EP4030103A1 (fr) 2021-01-14 2022-01-11 Boîtier de commande pour une plaque de cuisson et plaque de cuisson

Country Status (2)

Country Link
EP (1) EP4030103A1 (fr)
DE (1) DE102021200328A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1947392A2 (fr) 2007-01-22 2008-07-23 E.G.O. ELEKTRO-GERÄTEBAU GmbH Champ de cuisson
DE202009012872U1 (de) * 2009-09-17 2009-12-10 E.G.O. Elektro-Gerätebau GmbH Anordnung einer Trägerplatte mit einem Gehäuse
EP2703725A2 (fr) * 2012-09-03 2014-03-05 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de champ de cuisson

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2337750B1 (es) 2007-10-30 2011-04-08 Bsh Electrodomesticos España, S.A. Campo de coccion con una placa de cubierta y una carcasa y procedimiento para la fabricacion de un campo de coccion.
DE102014224116A1 (de) 2014-11-26 2015-12-03 E.G.O. Elektro-Gerätebau GmbH Kochfeld

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1947392A2 (fr) 2007-01-22 2008-07-23 E.G.O. ELEKTRO-GERÄTEBAU GmbH Champ de cuisson
DE202009012872U1 (de) * 2009-09-17 2009-12-10 E.G.O. Elektro-Gerätebau GmbH Anordnung einer Trägerplatte mit einem Gehäuse
EP2703725A2 (fr) * 2012-09-03 2014-03-05 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de champ de cuisson

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Publication number Publication date
DE102021200328A1 (de) 2022-07-14

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