EP0967690A2 - Method for connecting a thin wire with a current conducting contact element and products of this process - Google Patents

Method for connecting a thin wire with a current conducting contact element and products of this process Download PDF

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Publication number
EP0967690A2
EP0967690A2 EP99110309A EP99110309A EP0967690A2 EP 0967690 A2 EP0967690 A2 EP 0967690A2 EP 99110309 A EP99110309 A EP 99110309A EP 99110309 A EP99110309 A EP 99110309A EP 0967690 A2 EP0967690 A2 EP 0967690A2
Authority
EP
European Patent Office
Prior art keywords
contact element
wire
connection
side end
end region
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.)
Granted
Application number
EP99110309A
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German (de)
French (fr)
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EP0967690B1 (en
EP0967690A3 (en
Inventor
Werner Baeskow
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.)
BorgWarner Ludwigsburg GmbH
Original Assignee
Beru AG
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Publication of EP0967690A3 publication Critical patent/EP0967690A3/en
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Publication of EP0967690B1 publication Critical patent/EP0967690B1/en
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • 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
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Definitions

  • the invention relates to methods for connecting thin Wires with one or more conductive contact elements as well as products that are connected according to the process Have wires.
  • thin wires for example Cu enamel wires with a diameter of ⁇ 0.06 mm with busbars made of non-ferrous metal by soldering and after soldering strain relief or strain relief of the wires cause.
  • the object of the invention is to address the disadvantages shown to overcome and thus a procedure available make the the saving of procedural steps Production of strain-relieved connections of the type mentioned enables.
  • the task is also to make products available make the manufactured by the inventive method have tensioned wire connections.
  • connection side End regions 7 of the contact element 3 plastic pins 5/6 trained. Then the trained as a fixation 5 Pin with one end of the thin enamelled wire 2 as the start of winding wrapped, diagonally, if necessary through guide slots and over Circulation pins wound around the coil, whereupon the other end of the Wire 2, possibly also via diversion pins and guides the fixation 6 designed as a pin. Then between the fixings 5/6 and coil the wire 2 in the points 4 or 4a butt on the connection-side end regions 7 of the contact element 3 soldered.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

The wire end (2) is mechanically fixed at the end (7) of the terminal (3) and is under light tension. A current-conducting connection (e.g. soldered joint, weld) is then completed. The terminal is then forced axially into the casing (6), relaxing the tension on the wire. An Independent claim is included for components employing the connecting method. These are a coil, choke and transformer.

Description

Die Erfindung betrifft Verfahren zum Verbinden dünner Drähte mit einem oder mehreren stromleitenden Kontaktelementen sowie Produkte, die verfahrensgemäß verbundene dünne Drähte aufweisen.The invention relates to methods for connecting thin Wires with one or more conductive contact elements as well as products that are connected according to the process Have wires.

Es ist bekannt, dünne Drähte, beispielsweise Cu-Lack-Drähte mit einem Durchmesser von ≤ 0,06 mm mit Stromschienen aus Buntmetall durch Löten zu verbinden und nach dem Löten eine Spannungsentlastung bzw. Zugentlastung der Drähte zu bewirken.It is known to use thin wires, for example Cu enamel wires with a diameter of ≤ 0.06 mm with busbars made of non-ferrous metal by soldering and after soldering strain relief or strain relief of the wires cause.

Eine übliche vorbekannte Lösung besteht darin, die genannten Lackdrähte vor dem Löten mit ihren losen Drahtenden um auf einer Stromschiene aufgestellte Vierkant- bzw. Rechteckpins zu wickeln und diese anschließend zurück zu biegen, wie es in der beiliegenden Figur 1 bei 1 und 1a gezeigt wird.A common previously known solution is that mentioned enamelled wires before soldering with their loose wire ends around square or Rectangle pins and then wrap them back bend as in the attached Figure 1 at 1 and 1a will be shown.

Hierbei besteht die Gefahr der Beschädigung der Lötverbindung durch das mechanische Zurückbiegen an der Lötstelle wie auch die der Vorschädigung von dünnen Lackdrähten beim Umwickeln der rechteckigen Buntmetallstifte und beim Zurückbiegen dieser Stifte; ebenso unerwünscht ist Kaltverfestigung des Buntmetalls an der Biegestelle sowie der Umstand, daß keine definierte Zugentlastung, beispielsweise wegen Zurückfederns der Kontaktstifte, erzielt wird.There is a risk of damage to the solder joint by mechanical bending back at the soldering point as well as the pre-damage of thin enamelled wires when Wrap around the rectangular non-ferrous metal pins and when bending back these pens; Strain hardening is also undesirable the non-ferrous metal at the bending point and the circumstance, that no defined strain relief, for example because of Spring back of the contact pins is achieved.

Nachteilig an der Fertigung von Produkten, die solche Verbindungen aufweisen, sind der zusätzliche Arbeitsgang des Umwickelns der genannten Stifte, das zusätzliche nachträgliche Umbiegen/Zurückbiegen der umwickelten Stifte wegen Zugentlastung, die Herstellung der aufwendigen Buntmetallstromschienen als Stanzbiegeteil und die vergleichsweise große Bauweise solcher Buntmetallstromschienen.Disadvantageous in the manufacture of such products Having connections are the additional operation of the Wrapping around the pens mentioned, the additional subsequent Bending / bending back the wrapped pins due to strain relief, the production of the elaborate non-ferrous metal busbars as a stamped and bent part and the comparatively large one Construction of such non-ferrous metal busbars.

Aufgabe der Erfindung ist es, die aufgezeigten Nachteile zu überwinden und damit ein Verfahren zur Verfügung zu stellen, das unter Einsparung von Verfahrensschritten die Herstellung zugentlasteter Verbindungen der genannten Art ermöglicht. Aufgabe ist es ferner, Produkte zur Verfügung zu stellen, die nach dem erfindungsgemäßen Verfahren hergestellte zugentspannte Drahtverbindungen aufweisen.The object of the invention is to address the disadvantages shown to overcome and thus a procedure available make the the saving of procedural steps Production of strain-relieved connections of the type mentioned enables. The task is also to make products available make the manufactured by the inventive method have tensioned wire connections.

Die erfindungsgemäße Aufgabe wird durch das Verfahren gemäß Anspruch 1 gelöst; der nachfolgende Anspruch 2 ist eine weitere Ausführungsform des erfindungsgemäßen Verfahrens. Ansprüche 3 bis 5 betreffen Produkte, welche die verfahrensgemäß hergestellte Verbindung aufweisen.The object of the invention is achieved by the method solved according to claim 1; the following claim 2 a further embodiment of the method according to the invention. Claims 3 to 5 relate to products, which according to the process have established connection.

Die Erfindung wird anhand der beiliegenden Figuren 1 bis 4 näher erläutert.

  • Figur 1 zeigt eine nach dem Stand der Technik hergestellte Verbindung von Stromschiene und dünnem Draht in schematischer Seitenansicht aus dem Stand der Technik;
  • Figur 2 ist die Seitenansicht in teilweisem Querschnitt eines Spulenkörpers, der nach dem erfindungsgemäßen Verfahren hergestellt wurde;
  • Figur 3 ist die schematische Draufsicht auf die Ausführungsform gemäß Figur 2;
  • Figur 4 ist die Draufsicht auf den Gegenstand gemäß Figur 3 nach der letzten Verfahrensstufe.
    • The invention is explained in more detail with reference to the attached FIGS. 1 to 4.
  • Figure 1 shows a connection according to the prior art made of busbar and thin wire in a schematic side view from the prior art;
  • Figure 2 is a side view in partial cross section of a bobbin made by the method of the invention;
  • Figure 3 is the schematic plan view of the embodiment of Figure 2;
  • Figure 4 is the top view of the article of Figure 3 after the last stage of the process.

    • Die der Erläuterung der Erfindung dienenden Figuren betreffen als ein erfindungsgemäßes Ausführungsbeispiel eine gewickelte Spule. Hierbei weist der Stand der Technik gemäß Figur 1/1a eine Stromschiene 3 mit Kontaktanschlüssen 3a auf der ein Pin 1 ausgebildet ist, der mit dem Ende eines Drahtes 2 umwickelt ist. Nach dem Umwickeln wird dieser Pin in die Position 1a zur Zugentlastung des Drahtes umgebogen.The figures used to explain the invention relate to as an inventive embodiment wound coil. The state of the art in accordance with Figure 1 / 1a on a busbar 3 with contact connections 3a which is a pin 1 formed with the end of a wire 2 is wrapped. After wrapping this pin in the position 1a bent for strain relief of the wire.

    In den nachfolgenden Figuren 2 bis 4 wird das erfindungsgemäße Verbinden von Draht- 2 und Stromschiene 3 unter Zugentlastung des Drahtes 2 dargestellt.In the following Figures 2 to 4, the invention Connect wire 2 and busbar 3 under Strain relief of the wire 2 shown.

    Hierbei werden in Nachbarschaft zu den verbindungsseitigen Endbereichen 7 des Kontaktelements 3 Kunststoffpins 5/6 ausgebildet. Dann wird der als Fixierung 5 ausgebildete Pin mit einem Ende des dünnen Lackdrahtes 2 als Wickelanfang gewickelt, diagonal, ggf. durch Führungsschlitze und über Umlaufpins zur Spule gewickelt, worauf das andere Ende des Drahtes 2, ebenfalls ggf. über Umleitpins und Führungen an der als Pin ausgelegten Fixierung 6 fixiert. Dann wird zwischen den Fixierungen 5/6 und Spule der Draht 2 in den Punkten 4 bzw. 4a stumpf auf die verbindungsseitigen Endbereiche 7 des Kontaktelements 3 aufgelötet. Abschließend werden die Kontaktelemente 3 in Richtung Spulenkörper in das Kontaktelementgehäuse 8 zur Erzielung der Spannungsentlastung der Drahtverbindung zwischen Lötstellen 4/4a und Spulenkörper eingepreßt; hierbei kann die Drahtverbindung zwischen den Pins 5/6 und den Lötstellen 4/4a ohne nachteilige Folgen unterbrochen werden.This will be in the vicinity of the connection side End regions 7 of the contact element 3 plastic pins 5/6 trained. Then the trained as a fixation 5 Pin with one end of the thin enamelled wire 2 as the start of winding wrapped, diagonally, if necessary through guide slots and over Circulation pins wound around the coil, whereupon the other end of the Wire 2, possibly also via diversion pins and guides the fixation 6 designed as a pin. Then between the fixings 5/6 and coil the wire 2 in the points 4 or 4a butt on the connection-side end regions 7 of the contact element 3 soldered. In conclusion, the Contact elements 3 in the direction of the coil body in the contact element housing 8 to achieve the relief of the tension Wire connection between solder joints 4 / 4a and coil former pressed in; the wire connection between the Pins 5/6 and the solder joints 4 / 4a without adverse consequences to be interrupted.

    Im vorliegenden Fall wurde das erfindungsgemäße Verfahren an einer besonderen Ausführungsform einer gewickelten Spule, wie sie beispielsweise für die Drehzahlerfassung bezw. Positioerromagnetischer Zahnräder, Wellen, Bauteile verwendet werden, beschrieben. Es ist aber aus der Beschreibung offenkundig, daß das geschilderte Verfahren zur Verbindung von Drähten immer dann zu den erfindungsgemäßen Vorteilen führt, wenn dünne Drähte unter einer gewissen Vorspannung mit einem Kontaktelement, beispielsweise einer Stromschiene verbunden werden müssen, und bei denen anschließend die Vorspannung oder der Zug entlastet werden soll, um eine Unterbrechung des Stromdurchflusses Draht/Kontaktelement zu vermeiden.In the present case, the method according to the invention on a special embodiment of a wound Coil, such as those used for speed detection resp. Positioerromagnetic gears, shafts, components are used. But it is from the description Obviously, the described method of connection of wires always to the invention Benefits leads when thin wires under a certain Preload with a contact element, for example one Busbar must be connected, and in which subsequently the preload or the train are relieved is intended to interrupt the current flow wire / contact element to avoid.

    Claims (5)

    Verfahren zum Verbinden eines dünnen Drahtes mit einem stromleitenden Kontaktelement, dessen Mittelteil in einem Kontaktelementgehäuse angeordnet ist, wobei der Draht stromleitend mit dem verbindungsseitigen Endbereich des Kontaktelements verbunden wird, und wobei der anschlußseitige Endbereich des Kontaktelements als Anschlußelement ausgebildet ist, dadurch gekennzeichnet, daß man das Ende des Drahtes (2) in Nachbarschaft des verbindungsseitigen Endbereich (7) des Kontaktelements (3) mechanisch fixiert, den Draht (2) in Richtung des Endes des verbindungsseitigen Endbereichs (7) unter leichter Spannung führt, den Draht (2) zwischen dem Ende des verbindungsseitigem Endbereichs (7) und der Fixierung (5) auf den verbindungsseitigen Endbereich (7) des Kontaktelements (3) stromleitend fixiert, und das Kontaktelement (3) in das Kontaktelementgehäuse (6) achsial unter Zugentspannung des Drahtes einpreßt.Method of connecting a thin wire with a current-conducting contact element, the middle part in a contact element housing is arranged, the wire conductive with the connection-side end region of the Contact element is connected, and wherein the connection side End region of the contact element is designed as a connecting element is characterized in that the end of the Wire (2) in the vicinity of the connection-side end region (7) of the contact element (3) mechanically fixed Wire (2) towards the end of the connection side End portion (7) under slight tension leads the wire (2) between the end of the connection-side end region (7) and the fixation (5) on the connection-side end region (7) of the contact element (3) fixed electrically, and that Contact element (3) in the contact element housing (6) axially presses under tension of the wire. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man in einen werkzeugfallenden Spulenkörper, dessen Vorderbereich als Kontaktelementgehäuse (6) ausgebildet ist, zwei Kontaktelemente (3) in Form von Stanzteilen aus Buntmetall einpreßt, einen dünnen Lackdraht (2) als Wickelanfang um einen Kunststoffpin als Fixierung (5) wickelt und diagonal über den verbindungsseitigen Endbereich (7) des Kontaktelements (3) zieht, die Spule wickelt und das Wicklungsende wiederum diagonal über den anderen verbindungsseitigen Endbereich (7) zum Kunststoffpin (6) als Fixierung rückführt, dann den Draht (2) in den Positionen (4) und (4a) auf den verbindungsseitigen Endbereichen (7) der Kontaktelemente (3) stumpf auflötet und danach die Kontaktelemente (3) in axialer Richtung in den Spulenkörper unter Zugentspannung der Drähte (2) einpreßt. A method according to claim 1, characterized in that one in a tool-falling bobbin, the Front area is designed as a contact element housing (6), two contact elements (3) in the form of stamped parts made of non-ferrous metal presses in a thin enamelled wire (2) as the start of the winding around a plastic pin as a fixation (5) and diagonally over the connection-side end region (7) of the contact element (3) pulls, the coil winds and the winding end again diagonally over the other connection-side end area (7) returns to the plastic pin (6) as fixation, then the wire (2) in positions (4) and (4a) on the connection-side end regions (7) of the contact elements (3) butt-soldered and then the contact elements (3) in axial Direction in the bobbin under tension relief Presses in the wires (2). Spulenkörper, bei dem ein dünner Draht mit einem stromleitenden Kontaktelement durch das Verfahren nach Anspruch 1 und/oder Anspruch 2 verbunden ist.Bobbin, in which a thin wire with a current-conducting contact element by the method according to claim 1 and / or claim 2 is connected. Drossel, bei der ein dünner Draht mit einem stromleitenden Kontaktelement durch das Verfahren nach Anspruch 1 und/oder Anspruch 2 verbunden ist.Choke, in which a thin wire with a current-carrying Contact element by the method according to claim 1 and / or claim 2 is connected. Transformator, bei dem ein dünner Draht mit einem stromleitenden Kontaktelement durch das Verfahren nach Anspruch 1 und/oder Anspruch 2 verbunden ist.Transformer, where a thin wire with a current-conducting contact element by the method according to claim 1 and / or claim 2 is connected.
    EP99110309A 1998-06-24 1999-05-27 Method for connecting a thin wire with a current conducting contact element and products of this process Expired - Lifetime EP0967690B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19828110A DE19828110A1 (en) 1998-06-24 1998-06-24 Method of connecting a thin wire to a current-carrying contact element and products of this method
    DE19828110 1998-06-24

    Publications (3)

    Publication Number Publication Date
    EP0967690A2 true EP0967690A2 (en) 1999-12-29
    EP0967690A3 EP0967690A3 (en) 2001-01-10
    EP0967690B1 EP0967690B1 (en) 2003-01-29

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP99110309A Expired - Lifetime EP0967690B1 (en) 1998-06-24 1999-05-27 Method for connecting a thin wire with a current conducting contact element and products of this process

    Country Status (4)

    Country Link
    EP (1) EP0967690B1 (en)
    AT (1) ATE232025T1 (en)
    DE (2) DE19828110A1 (en)
    ES (1) ES2189314T3 (en)

    Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE3148902A1 (en) * 1981-12-10 1983-06-23 Standard Elektrik Lorenz Ag, 7000 Stuttgart Coil former suitable for automatons
    EP0155573A1 (en) * 1984-03-02 1985-09-25 Alcatel SEL Aktiengesellschaft Coil bobbin for electrical apparatuses suited for automation
    US4712723A (en) * 1985-04-15 1987-12-15 Siemens Aktiengesellschaft Method for bonding an insulated wire element on a contact
    US4745682A (en) * 1986-05-08 1988-05-24 Seikosha Co,, Ltd. Method of connecting coil
    JPH03291908A (en) * 1990-04-09 1991-12-24 Matsushita Electric Ind Co Ltd Manufacture of transformer

    Patent Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE3148902A1 (en) * 1981-12-10 1983-06-23 Standard Elektrik Lorenz Ag, 7000 Stuttgart Coil former suitable for automatons
    EP0155573A1 (en) * 1984-03-02 1985-09-25 Alcatel SEL Aktiengesellschaft Coil bobbin for electrical apparatuses suited for automation
    US4712723A (en) * 1985-04-15 1987-12-15 Siemens Aktiengesellschaft Method for bonding an insulated wire element on a contact
    US4745682A (en) * 1986-05-08 1988-05-24 Seikosha Co,, Ltd. Method of connecting coil
    JPH03291908A (en) * 1990-04-09 1991-12-24 Matsushita Electric Ind Co Ltd Manufacture of transformer

    Non-Patent Citations (1)

    * Cited by examiner, † Cited by third party
    Title
    PATENT ABSTRACTS OF JAPAN vol. 016, no. 124 (E-1183), 30. März 1992 (1992-03-30) & JP 03 291908 A (MATSUSHITA ELECTRIC IND CO LTD), 24. Dezember 1991 (1991-12-24) *

    Also Published As

    Publication number Publication date
    ATE232025T1 (en) 2003-02-15
    EP0967690B1 (en) 2003-01-29
    ES2189314T3 (en) 2003-07-01
    DE19828110A1 (en) 2000-01-13
    DE59904137D1 (en) 2003-03-06
    EP0967690A3 (en) 2001-01-10

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