EP1378976A1 - Method for making a fixed connection of a contact geometry in blind mounting - Google Patents

Method for making a fixed connection of a contact geometry in blind mounting Download PDF

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Publication number
EP1378976A1
EP1378976A1 EP03011781A EP03011781A EP1378976A1 EP 1378976 A1 EP1378976 A1 EP 1378976A1 EP 03011781 A EP03011781 A EP 03011781A EP 03011781 A EP03011781 A EP 03011781A EP 1378976 A1 EP1378976 A1 EP 1378976A1
Authority
EP
European Patent Office
Prior art keywords
contact
fixed connection
making
contacts
contact geometry
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
EP03011781A
Other languages
German (de)
French (fr)
Other versions
EP1378976B1 (en
Inventor
Hans-Michael Dr. Schmitt
Klaus Hemmert
Bernhard Knüttel
Oswald Reuss
Annegret Suckfüll
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.)
Preh GmbH
Original Assignee
Preh 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 Preh GmbH filed Critical Preh GmbH
Publication of EP1378976A1 publication Critical patent/EP1378976A1/en
Application granted granted Critical
Publication of EP1378976B1 publication Critical patent/EP1378976B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01R4/02—Soldered or welded connections
    • H01R4/023—Soldered or welded connections between cables or wires and terminals
    • H01R4/024—Soldered or welded connections between cables or wires and terminals comprising preapplied solder
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • 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
    • H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
    • 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
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members
    • 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
    • H01R13/44—Means for preventing access to live contacts
    • 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
    • H01R4/22—End caps, i.e. of insulating or conductive material for covering or maintaining connections between wires entering the cap from the same end
    • 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
    • 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
    • Y10T29/49174—Assembling terminal to elongated conductor
    • 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
    • Y10T29/49174—Assembling terminal to elongated conductor
    • Y10T29/49179—Assembling terminal to elongated conductor by metal fusion bonding

Definitions

  • the invention relates to a method for more firmly connecting assembled in a blind assembly or pre-assembled contacts.
  • DE 101 04 083 A1 describes a unit consisting of a proximity switch and a cable connection part discloses in which an electrically conductive connection between one insulated and tinned end with separate plug sleeves of the connection part by means of induction soldering is created. This is done in the assembled state of the proximity switch with the cable connector over the transition between the insulation part and the connecting part is pushed a coil, so that in its current-carrying state Receptacles heated with the solder provided in them and the inserted wire ends become. Such is the case for the contacts which make contact with one another in blind assembly Solution not accessible.
  • the invention has for its object to provide a method by which the mechanical Contact strength between contacts can be increased despite inaccessibility.
  • the invention is based on the idea of mechanically connecting the contacts by induction soldering to increase.
  • pre-molding at least one of the contacts and a subsequent overmoulding creates a plastic dome in which the two contact geometries to be connected can be pre-inserted, for example.
  • This dome can be made by induction soldering with an appropriate soldering depot Plug connection are secured.
  • the corresponding tool is placed over the Plastic dome guided, then the heat generated liquefies the solder and both contacts firmly connected.
  • the only figure shows a closed system 10 consisting of an actuator contact 1 (sword) of an actuator (not shown in detail) and a plastic cover 2.
  • the sword 1 of the servomotor engages in a drawn spring contact 3, here with a molded contact loop 4, which are integrated or injected within the plastic cover 2.
  • the drawn spring contact 3 forms a plastic dome 5 at this point.
  • the spring contact 3 is like the sword 1 metallic.
  • an induction tool not shown, is guided over the plastic dome 5.
  • the heat generated is dimensioned in such a way that melting or destruction of the plastic dome 5 is avoided.
  • the tin 6 firmly connects both contacts 1, 3 to one another.
  • the electrical connection is also improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Manufacture Of Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

A contact blade (1) for a stepping motor (10) may be inserted into a U-shaped spring contact (3). It may be soldered to the spring by a quantity of solder (6) held in a pocket in the side of the U- shape. The contact strip attached to the spring is embedded in a plastics housing (2). The U-shaped spring is covered by a plastics dome (5) over which an induction coil may be placed.

Description

Die Erfindung betrifft ein Verfahren zum festeren Verbinden von in einer Blindmontage montierten bzw. vormontierten Kontakten.The invention relates to a method for more firmly connecting assembled in a blind assembly or pre-assembled contacts.

Bekanntlich weisen in Blindmontage montierte Teile den Nachteil auf, dass insbesondere Steckverbindungen, die durch diese Montage nicht mehr zugänglich sind, ausfallen, wenn diese vorrangig durch Rüttel- oder Schüttelbewegungen oder durch Korrosion beansprucht werden. Die durch die Montage vorgegebene mechanische Stabilitiät des Kontaktschlusses ist nicht ausreichend.As is known, parts assembled in blind assembly have the disadvantage that in particular Plug connections that are no longer accessible due to this assembly fail if these are primarily stressed by shaking or shaking movements or by corrosion become. The mechanical stability of the contact closure specified by the assembly is not enough.

Aus der DE 101 04 083 A1 ist eine Baueinheit aus einem Näherungsschalter und einem Kabelanschlußteil offenbart, bei dem eine elektrisch leitende Verbindung zwischen einem ab isolierten und verzinnten Ende mit separaten Steckhülsen des Anschlußteils mittels lnduktionslötung geschaffen wird. Dazu wird im zusammengefügten Zustand des Näherungsschalters mit dem Kabelanschlußteil über den Übergang zwischen dem Isolationsteil und dem Verbindungsteil eine Spule geschoben, so dass in deren stromführenden Zustand die Steckhülsen mit dem in diesen vorgesehenen Lot und den eingesteckten Aderenden erwärmt werden. Für die in Blindmontage miteinander kontaktierenden Kontakte ist ein derartiger Lösungsweg nicht begehbar.DE 101 04 083 A1 describes a unit consisting of a proximity switch and a cable connection part discloses in which an electrically conductive connection between one insulated and tinned end with separate plug sleeves of the connection part by means of induction soldering is created. This is done in the assembled state of the proximity switch with the cable connector over the transition between the insulation part and the connecting part is pushed a coil, so that in its current-carrying state Receptacles heated with the solder provided in them and the inserted wire ends become. Such is the case for the contacts which make contact with one another in blind assembly Solution not accessible.

Die Erfindung stellt sich die Aufgabe, ein Verfahren anzugeben, durch welches die mechanische Kontaktkraft zwischen den Kontakten trotz Unzugänglichkeit erhöht werden kann.The invention has for its object to provide a method by which the mechanical Contact strength between contacts can be increased despite inaccessibility.

Gelöst wird die Aufgabe durch die Merkmale des Patentanspruchs 1.The object is achieved by the features of patent claim 1.

Der Erfindung liegt die Idee zugrunde, die mechanische Verbindung der Kontakte durch Induktionslötung zu erhöhen. Durch eine Vorumspritzung von wenigstens einem der Kontakte und einem anschließendem Fertigumspritzen entsteht ein Kunststoffdom, in den die beiden zu verbindenden Kontaktgeometrien beispielsweise vorgesteckt werden können. Durch Umfassen dieses Doms kann durch Induktionslötung bei einem entsprechenden Lötdepot die Steckverbindung abgesichert werden. Dazu wird das entsprechende Werkzeug über den Kunststoffdom geführt, wobei dann die erzeugte Wärme das Lot verflüssigt und beide Kontakte fest miteinander verbindet.The invention is based on the idea of mechanically connecting the contacts by induction soldering to increase. By pre-molding at least one of the contacts and a subsequent overmoulding creates a plastic dome in which the two contact geometries to be connected can be pre-inserted, for example. By embracing this dome can be made by induction soldering with an appropriate soldering depot Plug connection are secured. For this, the corresponding tool is placed over the Plastic dome guided, then the heat generated liquefies the solder and both contacts firmly connected.

Diese Lösung ermöglicht eine einfache und nachträgliche mechanische Befestigungserhöhung von nicht mehr zugänglichen, beispielsweise vormontierten Kontakten. Ein Verschrauben der beiden Teile mit den Kontakten miteinander kann entfallen. Ein weiterer großer Vorteil ist, dass eine Korrosionsunterwanderung an den Kontakten nicht mehr stattfinden kann.This solution enables a simple and subsequent mechanical increase in fastening of no longer accessible, e.g. pre-assembled contacts. A screwing the two parts with the contacts with one another can be omitted. Another great advantage is that there is no corrosion penetration at the contacts more can take place.

Anhand eines Ausführungsbeispiels mit Zeichnung soll die Erfindung näher erläutert werden.The invention will be explained in more detail using an exemplary embodiment with a drawing.

Es zeigt die einzige Figur ein geschlossenes System 10 bestehend aus einem Stellmotorkontakt 1 (Schwert) eines nicht näher dargestellten Stellmotors sowie einer Kunststoffabdeckung 2.
Das Schwert 1 des Stellmotors greift in einen gezogenen Federkontakt 3, hier mit angeformter Kontaktschleife 4, ein, welche innerhalb der Kunststoffabdeckung 2 eingebunden bzw. eingespritzt sind. Durch den gezogenen Federkontakt 3 wird an dieser Stelle ein Kunststoffdom 5 gebildet. Der Federkontakt 3 ist wie das Schwert 1 metallisch.
Mit Zusammenbau beider Teile, d.h. dem Aufsetzen der Kunststoffabdeckung 2 auf den nicht näher dargestellten Stellmotor sind der Stellmotorkontakt 1 als auch der Federkontakt 3 von außen nicht mehr erreichbar.
Zur Erhöhung der mechanischen Verbindung wird nun ein auf der Oberfläche des Stellmotorkontaktes 1 und des Federkontaktes 3 zumindest im Seitenbereich 3.1 befindliches Lötdepot 6, beispielsweise Zinn, Silber oder Gold, mittels Induktionslötung verflüssigt. Dazu wird ein nicht näher dargestelltes Induktionswerkzeug über den Kunststoffdom 5 geführt. Die erzeugte Wärme ist so dimensioniert, dass ein Schmelzen oder Zerstören des Kunststoffdomes 5 vermieden wird. Durch das Zinn 6 werden beide Kontakte 1, 3 miteinander fest verbunden. Neben der mechanischen Verbindung wird auch die elektrische Verbindung verbessert.The only figure shows a closed system 10 consisting of an actuator contact 1 (sword) of an actuator (not shown in detail) and a plastic cover 2.
The sword 1 of the servomotor engages in a drawn spring contact 3, here with a molded contact loop 4, which are integrated or injected within the plastic cover 2. The drawn spring contact 3 forms a plastic dome 5 at this point. The spring contact 3 is like the sword 1 metallic.
With assembly of both parts, ie placing the plastic cover 2 on the servomotor, not shown, the servomotor contact 1 and the spring contact 3 are no longer accessible from the outside.
To increase the mechanical connection, a solder reservoir 6, for example tin, silver or gold, located on the surface of the servomotor contact 1 and the spring contact 3, at least in the side region 3.1, is liquefied by means of induction soldering. For this purpose, an induction tool, not shown, is guided over the plastic dome 5. The heat generated is dimensioned in such a way that melting or destruction of the plastic dome 5 is avoided. The tin 6 firmly connects both contacts 1, 3 to one another. In addition to the mechanical connection, the electrical connection is also improved.

Claims (1)

Verfahren zur Herstellung einer festen Verbinden von in Blindmontage montierten Kontaktgeometrien, dadurch gekennzeichnet, dass zumindest an einer der Kontaktgeometrien (3) durch Umspritzung mit Kunststoff ein Kunststoffdom (5) gebildet wird, der von einem Induktionslötwerkzeug derart umfasst wird, dass durch die Induktionslötung ein entsprechendes Lötdepot (6) zwischen den Kontaktgeometrien (1, 3) verflüssigt wird. Method for producing a fixed connection of contact geometries mounted in blind assembly, characterized in that at least on one of the contact geometries (3) a plastic dome (5) is formed by encapsulation with plastic, which is encompassed by an induction soldering tool in such a way that a corresponding soldering depot (6) between the contact geometries (1, 3) is liquefied by the induction soldering.
EP03011781A 2002-07-01 2003-05-24 Method for making a fixed connection of a contact geometry in blind mounting Expired - Lifetime EP1378976B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10229525 2002-07-01
DE10229525A DE10229525A1 (en) 2002-07-01 2002-07-01 Method for more firmly connecting contact geometries mounted in a blind assembly

Publications (2)

Publication Number Publication Date
EP1378976A1 true EP1378976A1 (en) 2004-01-07
EP1378976B1 EP1378976B1 (en) 2005-07-20

Family

ID=29719430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03011781A Expired - Lifetime EP1378976B1 (en) 2002-07-01 2003-05-24 Method for making a fixed connection of a contact geometry in blind mounting

Country Status (4)

Country Link
US (1) US7146723B2 (en)
EP (1) EP1378976B1 (en)
JP (1) JP2004039631A (en)
DE (2) DE10229525A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018212397A1 (en) * 2018-07-25 2020-01-30 Volkswagen Aktiengesellschaft Plug connector for coupling electrical lines in a motor vehicle and method for coupling electrical lines in a motor vehicle with a plug connector

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090057328A (en) * 2006-09-26 2009-06-04 알프스 덴키 가부시키가이샤 Elastic contact and method for bonding between metal terminals using the same
US7900344B2 (en) * 2008-03-12 2011-03-08 Commscope, Inc. Of North Carolina Cable and connector assembly apparatus
US8984745B2 (en) 2013-01-24 2015-03-24 Andrew Llc Soldered connector and cable interconnection method
JP6463300B2 (en) * 2016-05-20 2019-01-30 矢崎総業株式会社 Terminalized wire manufacturing method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3229899A1 (en) * 1982-08-11 1984-02-16 Siemens AG, 1000 Berlin und 8000 München Plastic extrusion-coated contact element for information technology, preferably cable plugs
WO1986006882A1 (en) * 1985-05-09 1986-11-20 Associated Enterprises, Inc. Method and mass termination connector with solder connections
DE19934158A1 (en) * 1999-07-21 2001-02-08 Hirschmann Richard Gmbh Co Device for connecting conductor to contact part, has clamp element for clamped contact of conductor, welded joint on clamp element, and insulating sleeve penetrated by clamp element parts
US6217397B1 (en) * 1998-08-01 2001-04-17 Robert Bosch Gmbh Cable connector

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10104083C2 (en) 2000-01-28 2002-07-11 Ifm Electronic Gmbh Assembly from a proximity switch and a cable connection part and method for their production

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3229899A1 (en) * 1982-08-11 1984-02-16 Siemens AG, 1000 Berlin und 8000 München Plastic extrusion-coated contact element for information technology, preferably cable plugs
WO1986006882A1 (en) * 1985-05-09 1986-11-20 Associated Enterprises, Inc. Method and mass termination connector with solder connections
US6217397B1 (en) * 1998-08-01 2001-04-17 Robert Bosch Gmbh Cable connector
DE19934158A1 (en) * 1999-07-21 2001-02-08 Hirschmann Richard Gmbh Co Device for connecting conductor to contact part, has clamp element for clamped contact of conductor, welded joint on clamp element, and insulating sleeve penetrated by clamp element parts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018212397A1 (en) * 2018-07-25 2020-01-30 Volkswagen Aktiengesellschaft Plug connector for coupling electrical lines in a motor vehicle and method for coupling electrical lines in a motor vehicle with a plug connector
DE102018212397B4 (en) 2018-07-25 2024-01-11 Volkswagen Aktiengesellschaft Plug connector for coupling electrical lines in a motor vehicle and method for coupling electrical lines in a motor vehicle with a plug connector

Also Published As

Publication number Publication date
DE50300794D1 (en) 2005-08-25
DE10229525A1 (en) 2004-01-15
US20040003936A1 (en) 2004-01-08
EP1378976B1 (en) 2005-07-20
US7146723B2 (en) 2006-12-12
JP2004039631A (en) 2004-02-05

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