EP0399105B1 - Plaque de cuisson électrique - Google Patents

Plaque de cuisson électrique Download PDF

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Publication number
EP0399105B1
EP0399105B1 EP89122740A EP89122740A EP0399105B1 EP 0399105 B1 EP0399105 B1 EP 0399105B1 EP 89122740 A EP89122740 A EP 89122740A EP 89122740 A EP89122740 A EP 89122740A EP 0399105 B1 EP0399105 B1 EP 0399105B1
Authority
EP
European Patent Office
Prior art keywords
cooking plate
insulator
inner end
connecting line
respect
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.)
Expired - Lifetime
Application number
EP89122740A
Other languages
German (de)
English (en)
Other versions
EP0399105A2 (fr
EP0399105A3 (fr
Inventor
Felix Schreder
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 Gerate Blanc und Fischer 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 Gerate Blanc und Fischer GmbH filed Critical EGO Elektro Gerate Blanc und Fischer GmbH
Publication of EP0399105A2 publication Critical patent/EP0399105A2/fr
Publication of EP0399105A3 publication Critical patent/EP0399105A3/fr
Application granted granted Critical
Publication of EP0399105B1 publication Critical patent/EP0399105B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • 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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/06—Heater elements structurally combined with coupling elements or holders
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/016—Heaters using particular connecting means

Definitions

  • the invention relates to an electric hotplate according to the preamble of claim 1.
  • an electric hotplate with flexible connecting lines which is connected to the ends of angled connecting wires within an insulating piece provided on the underside of the hotplate and used for the leadthrough through a lower cover Room of the hotplate lying angle legs are connected to the heating element or the heating resistors.
  • the connecting lines are combined with a connecting piece made of insulating material, through which they protrude with their connecting members in the manner of plug pins.
  • connecting cables combined to form a flexible band which pass through the insulating piece and are connected directly with their inner ends to connecting pins which protrude from an embedding compound receiving the heating resistors.
  • the invention has for its object to provide an electric hotplate of the type mentioned, in which disadvantages of known designs are avoided and which is particularly well suited for automated assembly on the one hand and on the other hand can be easily and electrically connected both manually and possibly automatically.
  • the features of claim 1 are provided.
  • the electric hotplate e.g. B. after attaching the lower cover, freely accessible from the outside of the electric hotplate end of pins of the connecting wires with the inner ends of relatively long connecting lines can be connected in the area inside the outer circumference or the associated envelope surface of the hotplate are essentially free of bends and whose sections projecting beyond the outer circumference in the stretched state are substantially longer than the sections lying within the outer circumference;
  • the sections lying outside the circumference can be two to four times, in particular approximately three times longer than the sections lying inside the outer circumference.
  • the flexible or easily bendable connecting lines are advantageous in terms of their length of such a bending stiffness that they can still bear their own weight essentially without any particular bending deformation, so that they can freely protrude parallel to one another in the manner of long connecting rods, but already when they act deflect lower forces on their outer ends from this position and are therefore easy to handle when connecting.
  • the connecting lines can be formed by a plurality or a plurality of individual wires composed of strands or in each case by a single solid wire, wherein they consist of a high-temperature-resistant alloy, for example a nickel alloy or a chromium-nickel alloy. It is particularly expedient if the connecting lines are provided with high-temperature-resistant insulation, for example braided fiberglass insulation, essentially continuously over their entire length.
  • the resilience connecting leads are aligned in their position with respect to the electric hotplate in such a way that their inner ends are flexurally stiff or have a greater length than their diameter are substantially more rigid than their main sections lying between the ends and that these inner ends are connected to the corresponding, correspondingly rigid connecting wire are connected so that the connection point thus formed is secured with almost no play relative to the insulating piece.
  • the inner ends of the connecting lines are fixed on a section projecting beyond the outer circumference of the insulating piece in a virtually rigid position relative to the hotplate, and only the adjoining main section of the connecting line, which expediently extends to within the outer circumference of the hotplate, is flexible or resiliently bendable.
  • the outer ends or the connecting members of the connecting lines can preferably be handled independently of one another without mutual connection, but can also be combined in an insulating body to form a common plug.
  • each connecting line is stiffened with a, for example, sleeve-shaped stiffening member, which can surround the inner end of the strand forming the main section of the connecting line, namely the strand or solid wire, and expediently the associated end the insulation secures, this metallic stiffening member serves at the same time for the welded connection with the associated connecting wire, the outer end of which it can cross so that the surfaces touching each other at the crossing point can be connected to one another by welding from the outside.
  • a stiffening member which can surround the inner end of the strand forming the main section of the connecting line, namely the strand or solid wire, and expediently the associated end the insulation secures
  • this metallic stiffening member serves at the same time for the welded connection with the associated connecting wire, the outer end of which it can cross so that the surfaces touching each other at the crossing point can be connected to one another by welding from the outside.
  • the welding point is expediently located slightly outside the insulating piece or an associated outer surface of the insulating piece, so that on the one hand there is good access for a welding gun and on the other hand the welding connection is so close to the insulating piece that at least one section of the inner end of the connecting line which is adjacent to the connecting point is supported directly on the insulating piece to secure the position.
  • a particularly advantageous development of the subject matter of the invention is that the inner end of the respective connecting line for alignment or securing position engages in a receiving opening of the insulating piece in the manner of a plug-in connection, the inner end having a position from that to the connecting wire or to an associated one Through opening in the insulating piece coaxial position deviates such that it is secured by the engagement in the receiving opening against movements that would lead to a rotation about the central axis of the section of the connecting wire lying in the insulating piece.
  • the receiving opening could be an essentially closed opening in cross-section over the outer circumference, into which the inner end of the connecting line is to be inserted in its longitudinal direction, but the receiving opening is preferably groove-shaped so that the inner end of the connecting line is inserted into it transversely to its longitudinal direction can.
  • the boundaries of the receiving opening, in particular the side surfaces thereof, and the bottom surface closer to the associated side of the hotplate serve to support the inner end of the connecting line, which e.g. can rest under a spring force of the connecting wire with a small bias on the bottom surface.
  • the insulating piece each has a bending edge for angling the outer end of the associated connecting wire and that this bending edge is expediently set back transversely to the inner end of the connecting line, so that even with a small bending angle of less than 90 or 75 ° of the outer end of the connecting wire there is a connection point with the inner end of the connecting line which is conveniently located directly adjacent to the outside of the insulating piece.
  • a support or a stop is provided for the end face of the inner end of the connecting line, in particular on the insulating piece, so that a precise longitudinal alignment of this inner end with respect to the electric hotplate can be achieved in a simple manner and without additional aids.
  • the inner end of at least one connecting line is designed as an electrical connecting bridge for at least two connecting pins formed by the outer ends of connecting wires, so that e.g. an electric hotplate designed for operation with a seven-cycle switch can also be operated via a power control device or a temperature controller controlled by a sensor.
  • the connecting bridge can e.g. similar to that according to DE-GM 78 37 478 (corresponding to US-PS 43 03 295), to which reference is made for further details and effects.
  • the connecting bridge can also be formed directly by the stiffening member mentioned, in particular in the form of a wire end sleeve, if it crosses both associated connecting pins and can therefore be connected directly to both connecting pins via the cross welds described.
  • the invention relates to a device for mounting an electric hotplate.
  • the invention has for its object to provide a device of this type, which enables easy alignment of the inner ends of the connecting lines with respect to the connecting pins or with respect to the insulating piece and the electric hotplate.
  • an alignment device with the features of claim 10, which is designed on the one hand for the aligned engagement in a counter member of the hotplate, in particular directly in the insulating piece, and on the other hand
  • the aligning device is expediently designed in such a way that it can only be brought into engagement with the electric hotplate or the insulating piece and the inner ends of the connecting lines by means of plug connections. In the working position of the alignment device, the connection pins and the inner ends of the connection lines are freely accessible in the area of their connection points for the welding gun.
  • the electric hotplate 1 has a hotplate body 2 with an essentially flat, closed cooking surface 3 on the top and an outer flange edge 4 on the bottom. Within the flange 4 is compared to its lower end edge to the cooking surface 3, a heater 5 with or Several heating resistors 6 are provided, which are embedded in spiral grooves in a pressed insulating compound.
  • the heating 5 receiving, on the outer periphery of the flange 4 limited space is closed on the underside of the hotplate 1 by a cover 7 formed by a sheet metal cover, the bottom part 8 of which is essentially parallel to the cooking surface 3 and whose edge is shown in a manner not shown in engages the hotplate body 2.
  • a ceramic insulating piece 9 is inserted closer to the outer circumference of the flange edge 4 than to a central axis of the hotplate 1 indicated at 10 and perpendicular to the cooking surface 3, through the connecting wires 11 for the heating 5 from the underside of the hotplate 1 are brought out.
  • connecting wires 11 are provided which are angled within the space accommodating the heating 5 in a manner not shown approximately parallel to the cooking surface 3 and are electrically conductively connected to the heating resistors 6.
  • the connecting wires 11 lie in a common axial plane which is approximately parallel to an axial plane of the central axis 10 and in a row next to one another, each connecting wire 11 being led out downwards from the hotplate 1 through a separate, relatively closely matched through opening 12 of the insulating piece 9.
  • the sections of the connecting wires 11 lying in the insulating piece 9, approximately parallel to the central axis 10, are each provided with a bend 14 in the region of their exit from the insulating piece 9, so that their end sections form short connecting pins 13 which are parallel to one another and which are closest to them lying circumferential area of the hotplate 1 are angled away in the direction of the central axis 10 at approximately 45 °.
  • the connecting pins 13 are shorter than the sections of the connecting wires 11 which are aligned with the through openings 12, so that they are caused by manual forces or can practically not be bent by the weight of the electric hotplate 1, but form relatively stiff elements 9 which are rigid with respect to the insulating piece.
  • the insulating piece 9 lies with a projecting shoulder 15 on the inner surface of the base part 8 of the cover 7 and can be supported with support feet 16 in the area of the heating 5 on the underside of the hotplate body 2, the angled legs of the connecting wires 11 passing between these support feet 16 are led to the connection points with the heating resistors 6.
  • the insulating piece 9 With an outer section 17 protruding over the shoulder 15 and elongated in view parallel to the lead-through openings 12, the insulating piece 9 passes through a passage opening which is closely matched to this outer section 17, so that the insulating piece 9 only by plugging in from the inside of the cover 7 relative to the hotplate body 2 is precisely secured.
  • the outer section 17 forms long sides 18, the connecting pins 13 in the view according to FIG.
  • the outer section 17 of the insulating piece 9 forms an end face 20 which is perpendicular to the through openings 12 and penetrated by these through openings 12 and which forms an essentially sharp-edged shoulder edge 21 with the end of each through opening 12, which can serve to support when angling the connecting pins 13 , so that the bends 14 are in the region of the end face 20.
  • each of the four connecting pins 13 there is a connecting line 22 with its inner end 25 connected freely over its entire length to the underside of the hotplate 1, the inner ends 25 of all connecting lines being parallel to one another, next to one another and at the same distance from the underside of the hotplate 1 are provided and, if necessary, with a slight pretension, each with a long side on the Face 20 so that they protrude over both longitudinal sides 18 of the insulating piece 9.
  • the connecting line 22 has a current-conducting strand 23, which is sheathed by a high-temperature-resistant, flexible or fabric-like thin insulation 24.
  • the wire 23 protrudes beyond the insulation 24, being surrounded at the inner end 25 by a wire-end ferrule 26 which is clamp-like in cross-section and which, with an end collar 27, surrounds the associated end of the insulation 24 and is thus in position with respect to the wire 23 backs up.
  • each strand 23 formed by the wire end sleeve 26 rests laterally with a wider cross-sectional side on one side of the connecting pin 13 via a longitudinal section adjoining the angled portion 14 or enclosing this angled portion.
  • the inner end 25 and the connecting pin 13 intersect at an angle of approximately 45 °, they being welded to one another at the intersection and contact point to form a connection point 28.
  • the outer ends of the connecting lines 22 can also be provided with stiffening members or wire end sleeves, which are similar or identical to those described and e.g. Form connector pins which are provided as connecting members 29 for the electrical connection of the hotplate 1 to device lines.
  • an alignment device 30 described below is provided, with which the parts to be connected can be precisely aligned with one another and at least secured against movement parallel to a connecting straight line of the connecting wires 11.
  • FIGS. 4 to 18 the same reference numerals are used for corresponding parts as in the other figures, but with different letter indices, which is why corresponding description parts apply to all figures.
  • a receiving opening 31 is provided in the region of the end face 20a of the insulating piece 9a for the respective pairing of a connecting pin 13a and a wire end sleeve 26a, which opening is expediently designed as a transverse groove open to the end face 20a. All receiving openings 31 are parallel to one another. One side surface 32 of each receiving opening 31 lies adjacent to the associated ferrule 26a, while the other side surface 33 lies adjacent to the associated connecting pin 13a, so that, including its bend 14a on one side, a receiving opening delimited on the other side by the insulating piece 9a for insertion of the Ferrule 26a limited.
  • the depth of the receiving openings 31 can be smaller than the cross-sectional extent of the wire-end sleeves 26a to be measured in the same direction, so that some of their cross-section still protrude beyond the end face 20a.
  • the shoulder edge 21a associated with the bend 14a is formed by the base surface 34 and is thus set back with respect to the end surface 20a, but also offset downwards with respect to the cover 7a or with respect to its lowest zone.
  • the connecting pin 13a is stronger than the connecting wire 11a, namely angled at an angle of approximately 75 °, so that it only has a crossing angle of approximately 15 ° with respect to the wire end sleeve 26a.
  • connection point 28a here also lies outside the boundary surfaces of the insulating piece 9a or outside the receiving openings 31.
  • a groove-shaped recess 35 adjoining the side surface 33b is provided in the bottom surface 34b of each receiving opening 31b, into which the respective connecting pin 13b engages following its angling 14b, so that the shoulder edge 21b opposite the support of the insulating body 9b for the wire end sleeve 26b formed by the bottom surface 34b is offset toward the underside of the hotplate.
  • the wire end sleeve 26b crosses the connecting pin 13b at a short distance from the bend 14b.
  • the free ends of the wire end sleeves 26c do not protrude beyond the associated longitudinal side of the insulating piece 9c, but their end faces each abut a stop 36 of the insulating piece 9c, the stop face of which, for example, with the associated limitation of the lead-through opening 12c can escape.
  • the insulating piece 9c has a web 37 projecting along a longitudinal side via its outer end face, over the longitudinal edge of which the wire end sleeves 26c can still protrude with a part of their associated cross section. While recesses 35c are provided in the embodiment according to FIG.
  • the wire end sleeves 26d rest on the end face 20d of the insulating piece 9d , the stops 36d or the web 37d projecting over this end face 20d.
  • the connecting pins 13c are angled in the direction of the closest adjacent region of the outer periphery of the hotplate or away from the center thereof.
  • the inner end 25e of the respective connecting line 22e lies at an angle obliquely to the underside or to the cooking surface of the hotplate, such that its distance from the plane of this underside increases in the direction of its outer end.
  • the wire end sleeve 26e crosses the connecting pin 13e at an angle of the order of 90 ° and, instead of linearly, as in the previously described embodiments, lies in a punctiform manner on an edge of the insulating piece 9e, which is formed by the end face 20e and a side face 18e.
  • a corresponding position of the connecting line 22f is also provided in the embodiment according to FIG. 12, however the insulating piece 9f has in its outer end face a correspondingly inclined receiving opening 31f for the respective wire end sleeve 26f lying at an angle of approximately 45 ° to the cooking surface.
  • a recess 35f is provided in the bottom of the respective receiving opening 31f exclusively on that side of the lead-through openings 12f, after which the connecting pins 13f are angled, which forms the shoulder edge for angling the connecting pin 13f.
  • the connection point between the connecting pin 13f and the wire end sleeve 26f is located directly adjacent to the associated long side of the connecting piece 9f.
  • the connecting pins 13h are angled approximately at right angles, and the wire end sleeves 26h of the connecting lines 22h forming the inner ends lie approximately at right angles to the cooking surface and directed against the underside of the hotplate, directly adjacent to a long side of the connecting piece 9h.
  • the wire end sleeves 26h are essentially parallel to the lead-through openings 12h, but offset laterally with respect to these, being secured against movement by the end face 20h overlapped by the respective connecting pin 13h and the longitudinal side 18h overlapped by the respective wire end sleeve 26h.
  • two wire end sleeves 26k of two connecting lines 22k each form a connecting bridge 38 for two adjacent connecting pins 13k in that the respective wire end sleeve 26k is arranged along a connecting straight line between the two associated connecting pins 13k.
  • the two wire end sleeves 26k are aligned with one another, wherein they are expediently fastened to the inside of the legs of the connecting pins 13k associated with the inside of the bends, so that they lie between these connecting pins 13k and the underside of the hotplate.
  • the component forming the respective ferrule 26n can also be provided with an additional connecting lug 39, which is expediently formed in one piece with the ferrule 26n and connected to the ferrule via a leg which extends transversely away from the end collar 27n is.
  • the connecting lug 39 which is expediently located parallel to the associated wire end sleeve 26n, is advantageously angled so that it lies against the associated connecting pin with a flat side or that their flat cross section is approximately parallel to the flat cross section of the wire end sleeve 26n.
  • the alignment device 30 can essentially be formed by a one-piece, for example heat-resistant body made of ceramic material, which has a fork-shaped centering member 40 which is adapted to the outer section 17 of the insulating piece 9 and whose fork arms 41 in the working position are the insulating piece 9 grip under the cover 7 on both end faces 19 and rest on the underside of the base part 8 of the cover 9.
  • the hotplate 1 is appropriately overhead so that its underside is at the top.
  • alignment receptacles 42 are provided, in which the ferrules 26 can be used both in their longitudinal direction and transversely to their longitudinal direction by moving towards the bottom of the hotplate 1 so that they are fixed with their end faces to the bottom faces of the alignment receptacles 42 by a stop and bear against the end face 20 of the insulating piece 9.
  • the depth of the alignment receptacle 42 is selected to be relatively small, so that the wire end sleeves 26 are exposed between the fork arms 41 for the production of the connection points 28.
  • the base body 43 forming the centering member 40 and the alignment receptacles 42 has stepped contact surfaces 44 for contacting the underside of the cover 7 and is on its side facing away from these contact surfaces 44 with one hand handle 45 provided.
  • the centering member 40 can also be brought into engagement with the insulating piece 9 transversely to the underside of the hotplate and / or parallel thereto. After the connection points 28 have been made, the alignment device can be pulled off in a simple manner in the opposite direction and can be used again when a further hotplate is installed.
  • the alignment receptacles 42h of the alignment device 30h are provided adjacent to the fork opening or to the bottom surface thereof in the form of angularly delimited depressions on the side of the base body 43h facing away from the contact surfaces 44h or from the cover 7h, that in the working position their open sides transverse to the connecting pins 13h are practically closed by the insulating piece 9h, so that the alignment receptacles 42h are also limited by the associated long side 18h of the insulating piece 9h.
  • the wire end sleeves 26h can be inserted into the alignment receptacles 42h up to the stop on the bottom surfaces in such a way that they rest on the long side 18h.
  • connecting pins can advantageously be angled, in particular alternately, differently or in opposite directions.
  • connecting pins can lie essentially on mutually remote sides of the insulating piece.
  • both are Long sides of the insulating piece each have two wire end sleeves approximately aligned with one another, the connecting leads of which are led away in opposite directions, each connecting pin being connected to a separate wire end sleeve.
  • the wire end sleeves expediently consist of a high-quality or high-temperature-resistant material, for example a nickel alloy or a chrome-nickel alloy.
  • a particularly advantageous embodiment also results if, according to FIG. 4, means are provided which ensure that in the area of the insulating piece 9a or the connecting wires 11a, the connecting pins 13a and the inner ends 25a or the wire end sleeves 26a of the connecting lines 22a bare and live parts formed by these components cannot be touched by underlying components; such underlying components can be, for example, a lower end cover of a hob, a separate end cover attached to the underside of the electric hotplate for encapsulating the connection area, electrical supply lines for further hot plates or the like.
  • At least one, in particular a single spacer is provided, which could be formed by the insulating piece, for example in the case of a configuration according to FIGS. 8 and 9, but is preferably formed by a separate component, which is both opposite the electric hotplate, namely, for example, on the The underside of the cover 7a and also with respect to the insulating piece 9a, namely laterally, can be supported and projects downward over all bare, current-carrying components of the connection area. If this spacer component is in contact with live parts, it expediently does not consist of metal, but of an insulating material, in particular a hard ceramic material.
  • Two or more or all inner ends 25a or wire end sleeves 26a of the connecting lines 22a assigned to the electric hotplate can also be fixed in position against one another in an aligned manner by suitable means prior to the connection to the electric hotplate, for which purpose an elongate strip-shaped insulating mount 46 is preferably provided, which is provided on one long side of the insulating piece 9a is to be arranged.
  • the insulating socket 46 expediently has a through hole which is offset in terms of its inner width for accommodating the respective wire end sleeve 26a, in the enlarged bore section of which the enlarged collar of the wire end sleeve 26a receiving the insulation of the connecting line 22a can engage so that it is essentially completely inside the insulating socket 46 lies.
  • the wire end sleeves 26a protrude beyond the corresponding side surface of the insulating socket 46.
  • the wire end sleeve 26a can e.g. have one or more circumferential cams, spring tongues or the like in the region of their enlarged collar, which brace or claw with respect to the insulating socket 46 when the inner end 25a is inserted into the latter.
  • the through-bore, in particular the enlarged bore section can be conically narrowed in the insertion direction for the wire end sleeve 26a, so that the desired tight fit is thereby achieved.
  • a particularly advantageous development of the subject matter of the invention consists in the fact that the insulating socket 46 simultaneously forms the aforementioned spacing means, so that one and the same component fulfills both of the functions mentioned.
  • the insulating socket 46 can be a simple, strip-shaped component with approximately rectangular cross sections. However, it can also, for example in the case of an angular cross section, have a leg which overlaps the inner ends 25a or the wire end sleeves 26a and the connecting pins 13a on the underside or on the side facing away from the insulating piece 9a essentially completely and at a small distance, so that these current-carrying parts no longer come from below are accessible. In the case of the embodiment according to FIG.
  • this leg which likewise has a rectangular cross section, would connect approximately at right angles to that side of the insulating socket 46 which faces the connection point 28a; its design would be such that the accessibility for producing the connection points 28a is nevertheless given, which can be achieved, for example, by means of engagement openings for the welding gun provided in this shielding part or by the shielding part being at a sufficiently large distance from those areas in which the connection points 28a are to be produced.

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  • Resistance Heating (AREA)
  • Cookers (AREA)
  • Table Devices Or Equipment (AREA)
  • Massaging Devices (AREA)
  • General Induction Heating (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Insulated Conductors (AREA)
  • Electric Stoves And Ranges (AREA)
  • Baking, Grill, Roasting (AREA)
  • Insulators (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Claims (12)

  1. Plaque de cuisson électrique (1) avec un corps chauffant (5), une surface de cuisson (3) et des organes de raccordement (29), prévus pour le raccordement électrique de la plaque de cuisson (1) à des lignes d'alimentation, d'au moins une ligne de raccordement (22) qui, par une extrémité intérieure (25), est assemblée en conduction électrique à un fil de raccordement (11) de la plaque de cuisson (1) qui dépasse vers l'extérieur en traversant un élément isolant (9), caractérisée en ce que l'extrémité intérieure (25) de chaque ligne de raccordement (22) est, par son engagement en appui direct dans l'élément isolant (9), assujettie en position correctement orientée par rapport à ce dernier.
  2. Plaque de cuisson électrique selon la revendication 1, caractérisée en ce que les organes de raccordement (29) sont prévus à l'extrémité extérieure des lignes de raccordement (22) au moins partiellement flexibles, qui se trouvent sur un côté'extérieur et qui, en dessous de la surface de cuisson (3), notamment dans la région d'une face inférieure de la plaque de cuisson (1) formée par un élément de recouvrement inférieur (7), sont respectivement raccordées par leurs extrémités intérieures (25) au fil de raccordement (11) associé, en ce que l'extrémité intérieure respective (25) d'au moins une ligne de raccordement (22) est raccordée à au moins une broche de raccordement (13) du fil de raccordement (11) qui est accessible sur le côté extérieur de la plaque de cuisson (1), et l'élément isolant (9) assujettit en position la broche de raccordement respective (13), conjointement avec l'extrémité intérieure (25) de la ligne de raccordement (22), par engagement positif, et en ce que, de préférence, au moins une broche de raccordement (13) est coudée par rapport à une partie consécutive du fil de raccordement (11), par rapport à une ouverture de passage (12) pour le fil de raccordement associé (11) qui est prévue dans l'élément isolant (9) et/ou par rapport à un axe médian (10) de la plaque de cuisson (1), l'angle du coude (14) étant de préférence compris entre 35° et 90°, et le coude (14) se trouvant dans la région d'un bord d'épaulement extérieur (21) de l'ouverture de passage (12).
  3. Plaque de cuisson électrique selon la revendication 1 ou 2, caractérisée en ce que l'extrémité intérieure (25) d'au moins une ligne de raccordement (22) croise au moins une broche de raccordement (13) sous un angle compris entre environ 15° et 90° et est de préférence formée par une cosse terminale (26), qui est assemblée par soudage par une face latérale avec au moins une broche de raccordement (13) et est notamment réalisée en un matériau résistant aux hautes températures.
  4. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée en ce que l'extrémité intérieure (25) d'au moins une ligne de raccordement (22) est fixée à une broche de raccordement (13) au voisinage d'une ouverture de passage (12) prévue dans l'élément isolant (9) pour le fil de raccordement associé (11) et/ou au voisinage du coude (14), et en ce que le point d'assemblage (28) est de préférence latéralement décalé par rapport à l'ouverture de passage (12).
  5. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée en ce que l'extrémité intérieure (25a) d'au moins une ligne de raccordement (22a) est directement soutenue par l'élément isolant (9a), notamment s'engage dans une ouverture réceptrice (31) limitrophe d'une ouverture de passage (12a) de l'élément isolant (9a) et délimitée sur un côté par la broche de raccordement (13a) et sur le côté opposé par l'élément isolant (9a), ouverture qui, de préférence, forme avec une face de fond (34) formée par l'élément isolant (9a) un appui pour un bord longitudinal de l'extrémité intérieure (25a).
  6. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée en ce qu'au moins une ouverture réceptrice (31 ou 31b), prévue dans l'élément isolant (9a ou 9b) pour l'extrémité intérieure (25a ou 25b) d'au moins une ligne de raccordement (22a ou 22b), est pourvue, sur son côté tourné vers la plaque de cuisson, d'une délimitation (34 ou 35) qui se trouve au moins pour partie entre un bord d'épaulement (21a ou 21b) et une face terminale extérieure de l'élément isolant (9a ou 9b), et qui prend, de préférence sous la forme d'une rainure, une position comprise entre une position perpendiculaire et une position inclinée d'environ 45° par rapport à l'ouverture de passage (12a ou 12b).
  7. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée en ce qu'une butée (36) est prévue sur l'élément isolant (9c) pour une face frontale ou encore terminale de l'extrémité intérieure (25c) d'au moins une ligne de raccordement (22c), notamment une nervure de butée (37) continue sur toutes les extrémités intérieures (25c), la broche de raccordement (13c) respectivement associée étant coudée vers l'extérieur, en direction de la région voisine de la périphérie extérieure de la plaque de cuisson.
  8. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée en ce que l'extrémité intérieure (25k ou 25n) d'au moins une ligne de raccordement (22k ou 22n) est conçue comme pont électrique (38 ou 38n) pour la liaison de deux broches de raccordement voisines (13n).
  9. Plaque de cuisson électrique, notamment selon l'une des revendications précédentes, caractérisée par au moins un écarteur dépassant vers le bas des broches de raccordement (13a) et des extrémités intérieures (25a) des lignes de raccordement (22a), qui est de préférence réalisé sous la forme d'une douille isolante (46) recevant en préassemblage les cosses terminales (26 ), qui présente des perçages rétrécis pour un ajustement serré, en position orientée et en assujettissement axial, des extrémités intérieures (25a).
  10. Dispositif pour le montage d'une plaque de cuisson électrique (1), notamment d'une plaque de cuisson électrique (1) selon l'une des revendications précédentes, qui présente des broches de raccordement (13) guidées vers l'extérieur à travers un élément isolant (9) pour l'assemblage avec des extrémités intérieures (25) de lignes de raccordement (22), caractérisé par un dispositif d'orientation (30), servant uniquement au montage, avec au moins un organe de centrage (40) pour l'engagement en position orientée dans l'élément isolant (9), et avec des logements d'orientation (42) pour l'engagement en position orientée de parties terminales des extrémités intérieures (25) des lignes de raccordement (22).
  11. Dispositif selon la revendication 10, caractérisé en ce que l'organe de centrage (40) est fourchu et présente de préférence des bras de fourche (41) conçus pour l'engagement de faces terminales (19) de l'élément isolant oblong (9), et/ou en ce que les logements d'orientation (42) sont formés par des ouvertures d'emboîtement notamment en forme de rainures, qui sont de préférence prévues dans une face de fond de l'organe de centrage (40).
  12. Dispositif selon la revendication 10 ou 11, caractérisé en ce que le dispositif d'orientation (30) présente des faces d'application (44) pour l'appui contre la plaque de cuisson (1), et est de préférence formé par un corps d'orientation essentiellement d'une pièce.
EP89122740A 1989-05-23 1989-12-09 Plaque de cuisson électrique Expired - Lifetime EP0399105B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3916725A DE3916725A1 (de) 1989-05-23 1989-05-23 Elektrokochplatte
DE3916725 1989-05-23

Publications (3)

Publication Number Publication Date
EP0399105A2 EP0399105A2 (fr) 1990-11-28
EP0399105A3 EP0399105A3 (fr) 1991-01-16
EP0399105B1 true EP0399105B1 (fr) 1995-02-01

Family

ID=6381208

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89122740A Expired - Lifetime EP0399105B1 (fr) 1989-05-23 1989-12-09 Plaque de cuisson électrique

Country Status (9)

Country Link
US (1) US5153412A (fr)
EP (1) EP0399105B1 (fr)
JP (1) JPH0317992A (fr)
AT (1) ATE118145T1 (fr)
AU (1) AU633909B2 (fr)
DE (2) DE3916725A1 (fr)
ES (1) ES2066831T3 (fr)
TR (1) TR25399A (fr)
YU (1) YU48099B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4028362A1 (de) * 1990-09-06 1992-03-12 Ego Elektro Blanc & Fischer Elektrokochgeraet mit einer elektrokochplatte
DE4114539A1 (de) * 1991-05-04 1992-11-05 Ego Elektro Blanc & Fischer Elektrokocheinheit mit einer elektrokochplatte
US6127910A (en) * 1998-06-05 2000-10-03 Topworx, Inc. Hermetically sealed proximity switch
JP5633554B2 (ja) * 2012-11-13 2014-12-03 ウシオ電機株式会社 ベース付きランプユニット
CN104267704B (zh) * 2014-10-17 2017-01-18 成都四为电子信息股份有限公司 一种隧道监控系统
DE102017211100A1 (de) * 2017-06-29 2019-01-03 E.G.O. Elektro-Gerätebau GmbH Kochplatte
WO2024078941A1 (fr) * 2022-10-13 2024-04-18 BSH Hausgeräte GmbH Dispositif de table de cuisson intégrée

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2101110A (en) * 1932-07-01 1937-12-07 Westinghouse Electric & Mfg Co Heating unit
US3087042A (en) * 1960-02-29 1963-04-23 Ferro Corp Heating unit
US3197617A (en) * 1961-04-12 1965-07-27 Gen Motors Corp Electric heating unit and connector assembly therefor
DE1270201B (de) * 1961-10-18 1968-06-12 Ego Elektro Blanc & Fischer Elektrische Massekochplatte
DE7837478U1 (de) * 1978-12-18 1979-03-22 E.G.O. Elektro-Geraete Blanc U. Fischer, 7519 Oberderdingen AnschluBteU für elektrische Leitungen
DE2933349C2 (de) * 1979-08-17 1984-09-27 Fischer, Karl, 7519 Oberderdingen Elektrokochplatte
GR82637B (fr) * 1982-08-25 1985-02-07 Karl Fischer
DE3301219A1 (de) * 1983-01-15 1984-07-19 E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen Elektrokochplatte
DE3425896A1 (de) * 1984-07-13 1986-01-23 E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen Elektrokochplatte
DE3540815A1 (de) * 1985-11-16 1987-05-27 Ego Elektro Blanc & Fischer Elektrokochplatte sowie vorrichtung fuer deren anschluss
ZA866439B (en) * 1986-08-26 1987-02-18 E.G.O. Elektro-Geraete Blanc U. Fischer Sealed electric hotplate
DE3728535A1 (de) * 1987-08-27 1989-03-09 Ego Elektro Blanc & Fischer Herdplatte
DE3728528A1 (de) * 1987-08-27 1989-03-09 Ego Elektro Blanc & Fischer Elektrokochplatten-anschlussstueck
DE8712088U1 (de) * 1987-09-05 1987-10-22 E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen Elektro-Kochplatte

Also Published As

Publication number Publication date
ES2066831T3 (es) 1995-03-16
DE3916725A1 (de) 1990-12-06
YU99990A (sh) 1994-05-10
EP0399105A2 (fr) 1990-11-28
YU48099B (sh) 1997-03-07
EP0399105A3 (fr) 1991-01-16
DE58908971D1 (de) 1995-03-16
AU633909B2 (en) 1993-02-11
TR25399A (tr) 1993-03-01
US5153412A (en) 1992-10-06
AU5508790A (en) 1990-11-29
JPH0317992A (ja) 1991-01-25
ATE118145T1 (de) 1995-02-15

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