EP0789423B1 - Verfahren zur Herstellung einer elektrischen Verbindung durch Kleben eines starren Anschlusselements auf eine Leiterbahn, ein starres Anschlusselement zur Durchführung dieses Verfahrens und eine dieses Anschlusselement tragende Heizplatte - Google Patents

Verfahren zur Herstellung einer elektrischen Verbindung durch Kleben eines starren Anschlusselements auf eine Leiterbahn, ein starres Anschlusselement zur Durchführung dieses Verfahrens und eine dieses Anschlusselement tragende Heizplatte Download PDF

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Publication number
EP0789423B1
EP0789423B1 EP97400268A EP97400268A EP0789423B1 EP 0789423 B1 EP0789423 B1 EP 0789423B1 EP 97400268 A EP97400268 A EP 97400268A EP 97400268 A EP97400268 A EP 97400268A EP 0789423 B1 EP0789423 B1 EP 0789423B1
Authority
EP
European Patent Office
Prior art keywords
terminal
conductive material
electrically conductive
strips
bonding
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
EP97400268A
Other languages
English (en)
French (fr)
Other versions
EP0789423A1 (de
Inventor
Martine Dizin
Jacky Veniat
Henri Piera
Michel Sarrazin
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.)
SEB SA
Original Assignee
SEB SA
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
Priority claimed from FR9601636A external-priority patent/FR2744842B1/fr
Application filed by SEB SA filed Critical SEB SA
Publication of EP0789423A1 publication Critical patent/EP0789423A1/de
Application granted granted Critical
Publication of EP0789423B1 publication Critical patent/EP0789423B1/de
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
    • H05B3/02—Details
    • H05B3/06—Heater elements structurally combined with coupling elements or holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/66—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/04—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation using electrically conductive adhesives
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2101/00—One pole
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49147—Assembling terminal to base

Definitions

  • the invention relates to a method of making electrical connection by bonding a rigid terminal on a conductive track.
  • connection electric for a hot plate or for a container heating, especially for a kettle It applies more particularly, although not exclusively, to the realization of connection electric for a hot plate or for a container heating, especially for a kettle.
  • a hot plate has been described in French patent application FR-A-2 692 426, at name of the Applicant.
  • a hot plate includes in particular a metal support surmounted by a layer of vitreous composition, itself supporting a resistive track. The latter is filed advantageously by screen printing and resistance form heating.
  • a heating plate thus designed has many advantages. She is first particularly suitable for heating a kettle. It is easy to clean, which is also hygienically advantageous, and allows a high thermal efficiency. Finally, due to its low thickness, it fits easily inside a kettle.
  • connections electrical, at the ends of the resistive track are made by gluing, using a material driver, as the Figure 3 of this patent application.
  • a wire or a metal strip is drowned in a drop conductive resin deposited on the conductive track. We then proceed to a drying and crosslinking of the resin.
  • metal lugs rigid or similar instead of sticking directly the electrical wire on the resistive track.
  • This method allows, in particular, to easily disassemble the plate, by disconnecting the electric supply wires current, these wires being provided with a terminal lug complementary to the terminal glued on the track resistive.
  • the pod has flat legs or wings intended to be fixed on the metal substrate conductor that constitutes the heating grid, legs or wings being connected by a bridge carrying a blade for connection to a connector element outside.
  • Said connection technique aims to prevent the risk of separation of the legs or wings of terminal which, after welding on the heating grid, tend to contract, while the glazing bearing the grid remains stable in dimensions.
  • the risk of decoupling is avoided by making slits, indentations or perforations in the pod bridge, to reduce the section.
  • This solder connection technique does not not intended for applications using bonding means such as a conductive resin.
  • the invention also relates to a rigid terminal for the implementation of said method.
  • the invention also relates to a plate heater for a heating container, in particular for a kettle, comprising a resistive track on which is glued such a pod.
  • Figure 1 schematically illustrates an example of heating plate 1, seen from below.
  • This includes a thick metallic support 12, generally circular, coated with a layer 11 of glass composition electrically insulating.
  • a resistive track 10 composed of a glass base charged with particles metallic. Track 10 has the shape of a spiral, the ends 10a and 10b, are intended to be connected to a source of electric current.
  • the thickness of the layer 11 of glass composition is at least equal to 300 ⁇ m and preferably equal to approximately 400 ⁇ m.
  • the thickness of the resistive track is typically between 8 and 30 ⁇ m.
  • Figure 2 illustrates a first example of connection making using a terminal in rivet shape 2.
  • Figure 3 illustrates a second example of connection making using a terminal in washer shape 2.
  • the production method according to the invention includes a first step during which a first end 30 of a segment of electric wire multi-strand 3 is threaded, either in the neck 20 of a rivet 2, or in the central orifice 20 'of a washer 2.
  • the other end, 31, is arranged below the rivet 2 or washer 2 ', and the strands of this end emerge in divergent peripheral bundle.
  • the electric wire 3 is composed of copper strands, the diameters of which are preferably in the range 0.2 to 0.8 mm.
  • the multi-strand 3 is coated with a thermostable conductive resin 4.
  • the assembly is applied to the resistive track 10, more precisely one or the other of the ends of the conductive track, for example the end 10a, as illustrated in FIGS. 2 and 3.
  • the assembly is applied to the resistive track 10, more precisely one or the other of the ends of the conductive track, for example the end 10a, as illustrated in FIGS. 2 and 3.
  • the strands, in particular those, 31, located between the solid surfaces of the terminal and the resistive track 10 act as "drains", evacuating gas bubbles that form during this stage.
  • the connector thus produced is ready to receive any system of suitable connection, such as a plug-in terminal 5 (for example on a tab 21 of the pod 2 '), a crimping, etc.
  • a plug-in terminal 5 for example on a tab 21 of the pod 2 '
  • a crimping etc.
  • Figure 4 illustrates a example of making a rigid terminal to stick on a track, according to a preferred embodiment of the invention.
  • the terminal referenced 6, is entirely symmetrical with respect to an axis ⁇ passing through a central zone thereof. We have assumed (in the example described) that this axis is substantially perpendicular to runway 10, in its area end 10a.
  • the side wings, 62 and 63 are provided cutouts, for example at their ends, which do not leave only a series of thin strips 64 and 65, respectively.
  • each wing, 63 and 64 has three strips of this type.
  • the bonding on the surface 10a of the track 10 is carried out in a manner quite similar to what has been previously recalled, using a thermostable conductive resin 4, which coats the strips, 64 and 65 It is therefore unnecessary to recall this step of the process.
  • a drying and crosslinking cycle is also carried out in a conventional manner per se , the precise characteristics of which (time, temperature, etc.) depend on the type of adhesive used and are indicated by the supplier.
  • the thin strips, 64 and 65 evacuate the gas bubbles that form during this step.
  • the surface defined by these lamellae, 64 and 65 must be sufficient to obtain good adhesion of the terminal on the surface 10a of runway 10.
  • the slats be sufficiently fine.
  • the width of slats, 64 and 65 will be chosen lower or at most equal to 1 mm.
  • the sheet used does not differ from that of the pods of known art: one can choose, by for example, nickel-plated steel, brass or copper.
  • the vertical blade 60, used for the connectors, is preferably folded around an axis ⁇ p , such that it coincides with the pivot axis of the blade 60 relative to the base of the terminal 6. It s 'ensuit that the terminal can be placed, stably, on the surface 10a of the track 10, especially during the passage to the oven to obtain the crosslinking of the resin. This feature facilitates the automation of the process steps.
  • the central area is raised relative to the surface 10a of track 10. It forms a trigger guard with sides, 67 and 68 inclined. This geometric characteristic plays the role of a stiffener at the base of the terminal 6.
  • the terminal 6a shown in Figure 5 has a vertical blade 60 for connectors and a single wing 64a, obtained by folding, for example at 60 ° so to obtain a good stabilization of the tongue of glue.
  • the latter according to the characteristic main of the invention has thin strips 640a obtained by cutting. These 640a slats are parallel to the surface of the blade 60.
  • the terminal 6a shown in Figure 6 has also a blade 60 for connectors and a single wing 64b, obtained by folding.
  • the latter according to the main feature of the invention, includes thin strips 640b obtained by cutting. The only notable difference is that these 640b slats are orthogonal to the surface of the blade 60.
  • the terminal 6c illustrated by FIG. 7, has a structure similar to that of FIG. 4, in that the slats are oriented to be parallel to the surface of the blade 60.
  • the wing 64c forming the base of terminal 6c, is divided into two and has two series of lamellae, 640c and 641c, respectively.
  • This arrangement offers the advantage of more large bonding surface, better stability, and, due to the multiplication of lamellae, allows better evacuation of gas bubbles. She is therefore easier to make a terminal for which the blade 60 is inclined and no longer vertical.
  • the above version of the invention allows simplify the bonding process and make it more "industrial”. It is no longer necessary, in particular, to use a foreign element (the wire segment multi-strand electric).
  • the manufacture of is neither more complex nor more expensive than the making a terminal according to known art.
  • the production of the slats can be carried out by cutting, together with the classic parts of a pod.
  • the usable materials do not differ from those of known art.
  • pod structures are usable, for example structures in the form of rivet (of the type shown in Figure 2), flat washer or eyelet shape. It is enough that the base of these terminals has at least one zone fitted with thin strips.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Resistance Heating (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (15)

  1. Verfahren zur Verwirklichung einer elektrischen Verbindung durch Verklebung mit Hilfe einer elektrisch leitenden Substanz (4) auf einer Schicht von Leitmaterial (10), dadurch gekennzeichnet, daß es wenigstens die folgenden Schritte aufweist:
    a) Verwirklichung einer Zone, die aus Fäden bzw. Fasern (3) oder aus Lamellen (64. 65) gebildet ist am Ende eines Abschnitts (2, 2', 6) aus Material, das ein Leiter für Elektrizität ist;
    b) Umhüllung dieser Zone, die aus Fäden oder aus Lamellen gebildet ist, durch die Klebesubstanz (4), die ein Leiter für Elektrizität ist;
    c) und Aufbringung dieser Zone auf die Schicht aus Leitermaterialien (10a), um die Verklebung zu verwirklichen.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß es wenigstens die folgenden Schritte aufweist:
    a) Einfügung, in einem Abschnitt (2, 2') aus elektrischem Leitermaterial und aufweisend eine Öffnung (20, 20'), eines Segmentes eines elektrischen Vielfaserfadens (3) in die Öffnung (20, 20');
    b) Umhüllung des Segmentes des elektrischen Vielfaserfadens (3) durch die Klebesubstanz (4), die elektrisch leitend ist;
    c) und Aufbringen der Gesamtgruppe "Abschnitt von elektrischem Faden (3) - Abschnitt (2, 2')" auf die Schicht aus Leitermaterial (10a), um die Verklebung zu verwirklichen.
  3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß das Segment des elektrischen Fadens (3) aus Kupfer ist und daß die Fasern (30, 31), welche das Segment des elektrischen Multifaserfadens (3) bilden, einen Durchmesser haben, der im Bereich von 0,5 - 0,8mm liegt.
  4. Verfahren nach einem der Ansprüche 1 -3, dadurch gekennzeichnet, daß der Abschnitt eine Niete (2) ist, die einen Hals (20) aufweist.
  5. Verfahren nach einem der Ansprüche 1 - 3, dadurch gekennzeichnet, daß der Abschnitt eine flache bzw. glatte Scheibe (2') ist, die eine mittige Öffnung (20') aufweist.
  6. Verfahren nach einem der Ansprüche 1 - 5, dadurch gekennzeichnet, daß die Schicht aus elektrischem Leitermaterial, auf die der Abschnitt (2, 2') geklebt ist, eine Widerstandsbahn (10) ist, die einen Heizwiderstand bildet.
  7. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Lamellen (64, 65) in wenigstens einer praktisch flachen bzw. planen Zone (62, 63) des steifen Abschnitts (6) verwirklicht sind.
  8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß jede der Lamellen (62, 63) eine Breite größer gleich 1mm hat.
  9. Verfahren nach einem der Ansprüche 2 - 7, dadurch gekennzeichnet, daß die Klebesubstanz ein thermostabiler Kunststoff bzw. Harz (4) ist, der elektrisch leitend ist, und daß das Verfahren fortgesetzt wird mit einem zusätzlichen Schritt der Trocknung und Vernetzung des Harzes (4).
  10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß das Harz (4) ein Polyimid ist, das mit Silber beschichtet ist.
  11. Steifer Abschnitt (6) für die Verwirklichung des Verfahrens nach einem der Ansprüche 7 - 10, aufweisend wenigstens einen flachen Flügel (62, 63), der einen Träger bildet, der bestimmt ist, gelegt zu werden auf die Leitermaterialschicht (10a), und ein Blatt (60), das bestimmt ist, eine elektrische Verbindung zu verwirklichen mit äußeren Verbindungselementen (5), dadurch gekennzeichnet, daß jeder flache Flügel (62, 63) eine Schnittzone aufweist, derart, daß zwischen den Schnitten die Lamellen (62, 63) erhalten werden.
  12. Abschnitt nach Anspruch 11, dadurch gekennzeichnet, daß der Träger einen Mittelkörper (61, 66, 67) aufweist, hochliegend bzw. überhöht gegenüber der Leitermaterialschicht (10a) und einen Abzugsbügel bzw. eine Polbrücke bildend, derart, daß eine Versteifung des Trägers des Abschnitts (6) erhalten wird, und zwei flache Querflügel (62, 63), die jeweils mit einer Gruppe von Lamellen (64, 65) versehen sind, und daß das Blatt (60), welches bestimmt ist, eine elektrische Verbindung mit den äußeren Verbindungselementen (5) herzustellen, um 60° bezüglich des Trägers (62, 61, 63) gebogen bzw. abgebogen ist.
  13. Abschnitt nach Anspruch 12, dadurch gekennzeichnet, daß das Blatt (60), bestimmt, wenigstens eine elektrische Verbindung mit den äußeren Verbindungselementen (5) herzustellen, gemäß einer Achse (Δp) gebogen ist, die verschmolzen ist mit ihrer Kippachse bezüglich des Trägers (62, 61, 63).
  14. Abschnitt nach Anspruch 12, dadurch gekennzeichnet, daß der mittlere Körper (61) einen Schnitt (66) aufweist, der dem Blatt (60) benachbart ist, bestimmt, eine elektrische Verbindung mit den äußeren Verbindungselementen (5) herzustellen, derart, daß die Wirkungen der Ausdehnung bzw. Dehnung begrenzt werden, wenn der Abschnitt (6) einer Erhöhung der Temperatur unterworfen wird.
  15. Heizplatte (1) für Wärmebehälter, insbesondere für Kessel, aufweisend eine Widerstandsbahn (10), auf der ein Abschnitt (6) gemäß einem der Ansprüche 11 - 14 aufgeklebt bzw. angeklebt ist.
EP97400268A 1996-02-09 1997-02-06 Verfahren zur Herstellung einer elektrischen Verbindung durch Kleben eines starren Anschlusselements auf eine Leiterbahn, ein starres Anschlusselement zur Durchführung dieses Verfahrens und eine dieses Anschlusselement tragende Heizplatte Expired - Lifetime EP0789423B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9601636 1996-02-09
FR9601636A FR2744842B1 (fr) 1996-02-09 1996-02-09 Procede de realisation de connexion electrique par collage d'une cosse sur une piste conductrice, connexion electrique ainsi realisee et son application a une plaque chauffante pour recipient chauffant
FR9606997 1996-06-06
FR9606997A FR2744843B1 (fr) 1996-02-09 1996-06-06 Procede de realisation de connexion electrique par collage d'une cosse rigide sur une piste conductrice, cosse rigide pour la mise en oeuvre du procede et son application a une plaque chauffante pour recipient chauffant

Publications (2)

Publication Number Publication Date
EP0789423A1 EP0789423A1 (de) 1997-08-13
EP0789423B1 true EP0789423B1 (de) 2000-06-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP97400268A Expired - Lifetime EP0789423B1 (de) 1996-02-09 1997-02-06 Verfahren zur Herstellung einer elektrischen Verbindung durch Kleben eines starren Anschlusselements auf eine Leiterbahn, ein starres Anschlusselement zur Durchführung dieses Verfahrens und eine dieses Anschlusselement tragende Heizplatte

Country Status (7)

Country Link
US (1) US5928455A (de)
EP (1) EP0789423B1 (de)
CN (1) CN1136761C (de)
CA (1) CA2197053C (de)
DE (1) DE69702218T2 (de)
ES (1) ES2148913T3 (de)
FR (1) FR2744843B1 (de)

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US6406337B1 (en) * 2000-09-27 2002-06-18 Antaya Technologies Corporation Glass mounted electrical terminal
US6685514B2 (en) * 2002-04-05 2004-02-03 Larry J. Costa Folding blade electrical terminal
US6790104B2 (en) * 2002-07-26 2004-09-14 Antaya Technologies Corporation Electrical terminal
AU2003302259A1 (en) * 2002-11-28 2004-06-18 Asahi Glass Company, Limited Electrical connection structure for conductor formed on glass surface
DE102005040812A1 (de) * 2005-08-27 2007-03-15 Few Fahrzeugelektrikwerk Gmbh & Co. Kg Elektrischer Anschluss sowie Verfahren zu dessen Verbindung mit der Scheibe eines Kraftfahrzeugs
EP1764869A3 (de) * 2005-09-16 2008-01-23 Gebauer & Griller Kabelwerke Gesellschaft m.b.H. Anschlussklemme
DE102005049820A1 (de) * 2005-10-18 2007-04-19 Benq Mobile Gmbh & Co. Ohg Mehrfachresonante Antenneneinheit, zugehörige Leiterplatine sowie Funkkommunikationsgerät
US7630210B2 (en) * 2005-11-29 2009-12-08 Amphenol Corporation Lead(Pb)-free electronic component attachment
DE102009022526A1 (de) * 2009-05-25 2010-12-02 Few Fahrzeugelektrik Werk Gmbh & Co. Kg Anschluss
DE102020100780A1 (de) * 2020-01-15 2021-07-15 Webasto SE Verfahren zum Verbinden eines Schaltelements einer Hochvoltheizer-Vorrichtung mit einem Heizelement der Hochvoltheizer-Vorrichtung sowie Hochvoltheizer-Vorrichtung
TWI748571B (zh) * 2020-07-22 2021-12-01 敏翔股份有限公司 具加熱功能之裝置之電連接部

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Also Published As

Publication number Publication date
EP0789423A1 (de) 1997-08-13
CN1166123A (zh) 1997-11-26
ES2148913T3 (es) 2000-10-16
CA2197053A1 (en) 1997-08-10
US5928455A (en) 1999-07-27
CA2197053C (en) 2006-08-15
FR2744843A1 (fr) 1997-08-14
FR2744843B1 (fr) 1998-04-10
CN1136761C (zh) 2004-01-28
DE69702218T2 (de) 2001-02-22
DE69702218D1 (de) 2000-07-13

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