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EP1378976B1 - 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
EP1378976B1
EP1378976B1 EP03011781A EP03011781A EP1378976B1 EP 1378976 B1 EP1378976 B1 EP 1378976B1 EP 03011781 A EP03011781 A EP 03011781A EP 03011781 A EP03011781 A EP 03011781A EP 1378976 B1 EP1378976 B1 EP 1378976B1
Authority
EP
European Patent Office
Prior art keywords
contact
fixed connection
plastic
making
blind mounting
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
EP03011781A
Other languages
German (de)
French (fr)
Other versions
EP1378976A1 (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 tighter connection of mounted in a blind assembly or preassembled contacts, in which by means of an induction soldering a solder deposit (6) is liquefied between adjacent contact geometries.
  • From DE 101 04 083 A1 is a structural unit of a proximity switch and a cable connection part disclosed in which an electrically conductive connection between a insulated and tinned end with separate sockets of the connector by induction soldering is created. This is done in the assembled state of the proximity switch with the cable connection part via the transition between the insulation part and the connecting part pushed a coil, so that in the current-carrying state of the Hoses with the provided in this lot and the inserted wire ends heated become. For the contact with each other in blind assembly is such Solution not accessible.
  • the object of the invention is to provide a method with which the safety an electrical connection improves and the mechanical contact force between contacts despite inaccessibility is increased.
  • the invention is based on the idea of the mechanical connection of Increase contacts by induction soldering.
  • a pre-injection of at least one of the contacts and a subsequent pre-coating creates a plastic dome, in which the two contact geometries to be connected are plugged, for example can.
  • this dome may be by induction soldering at a corresponding Lötdepot the plug connection are secured. This will be the appropriate Tool guided over the plastic dome, in which case the heat generated liquefies the solder and firmly connect both contacts.
  • This solution allows a simple and subsequent mechanical Mounting increase of inaccessible, for example, pre-assembled contacts. A screwing of the two parts with the contacts with each other can be omitted. Another big advantage is that a corrosion infiltration of the contacts is not more can take place.
  • a closed system 10 consisting of a servo motor contact 1 (sword) of a servo motor not shown in detail as well as a plastic cover.
  • the sword 1 of the servomotor engages in a drawn spring contact 3, here with integrally formed contact loop 4, which are injected within the plastic cover 2. Due to the drawn spring contact 3, a plastic dome 5 is formed at this point.
  • the spring contact 3 is like the sword 1 metallic. With assembly of both parts, ie the placement of the plastic cover 2 on the servomotor, not shown, the actuator contact 1 and the spring contact 3 are no longer accessible from the outside.
  • solder deposit 6 for example tin, silver or gold, liquefied by induction soldering. This will be a non-illustrated induction tool on the plastic dome 5 out. The generated Heat is dimensioned to melt or destroy the plastic dome 5 is avoided.

Landscapes

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

Description

Die Erfindung betrifft ein Verfahren zum festeren Verbinden von in einer Blindmontage montierten bzw. vormontierten Kontakten, bei dem mittels einer Induktionslötung ein Lotdepot (6) zwischen aneinandergrenzenden Kontaktgeometrien verflüssigt wird.The invention relates to a method for tighter connection of mounted in a blind assembly or preassembled contacts, in which by means of an induction soldering a solder deposit (6) is liquefied between adjacent contact geometries.

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 Stabilität des Kontaktschlusses ist nicht ausreichend.As is known, parts mounted in blind assembly have the disadvantage that, in particular Plug connections that are no longer accessible due to this mounting will fail if This claimed primarily by shaking or shaking or by corrosion become. The predetermined by the installation mechanical stability of the contact closure 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 Induktionslötung 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.From DE 101 04 083 A1 is a structural unit of a proximity switch and a cable connection part disclosed in which an electrically conductive connection between a insulated and tinned end with separate sockets of the connector by induction soldering is created. This is done in the assembled state of the proximity switch with the cable connection part via the transition between the insulation part and the connecting part pushed a coil, so that in the current-carrying state of the Hoses with the provided in this lot and the inserted wire ends heated become. For the contact with each other in blind assembly is such Solution not accessible.

Eine weitere unlösbare Verbindung zwischen einem Stecker und einer Buchse bzw. dem elektrischen Kontakt ist aus der US 6,217,397 B1 die als nächstliegender Stand der Technik angesehen ist bekannt geworden. Ein das Kabelende und die elektrische Leitung umfassender elektrischer Kontakt besitzt eine Verlängerung, die mit dem Kontakt in der Buchse im Eingriff steht. Eine erste formschlüssige Verbindung zwischen Buchse und Stecker wird dabei über die Kunststoffelemente der Buchse und des Steckers hergestellt. Ebenso wird mittels einer Verlängerung am Stecker der elektrische Kontakt des Steckers auf den Kontakt der Buchse gedrückt. Zwischen den beiden Kontakten befindet sich ein Lot, dass über eine induktive Erwärmung eine stoffschlüssige Verbindung zwischen den beiden Kontakten herstellt. Somit ist eine permanente, elektrisch leitende Verbindung realisiert.Another permanent connection between a plug and a socket or the electrical contact has become known from US 6,217,397 B1 which is considered to be the closest prior art. A the cable end and the electrical line comprehensive electrical contact has an extension that with the contact in the socket is engaged. A first positive connection between Socket and plug is doing over the plastic elements of the socket and the plug produced. Likewise, by means of an extension on the plug, the electrical contact of the Plug on the contact of the socket pressed. Located between the two contacts yourself a solder that has an integral connection via an inductive heating produces the two contacts. Thus, a permanent, electrically conductive connection realized.

Die Erfindung stellt sich die Aufgabe, ein Verfahren anzugeben, mit welchem die Sicherheit einer elektrischen Verbindung verbessert und die mechanische Kontaktkraft zwischen den Kontakten trotz Unzugänglichkeit erhöht wird.The object of the invention is to provide a method with which the safety an electrical connection improves and the mechanical contact force between contacts despite inaccessibility is increased.

Gelöst wird die Aufgabe durch die Merkmale des Patentanspruchs 1.The problem is solved by the features of 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 the mechanical connection of Increase contacts by induction soldering. By a pre-injection of at least one of the contacts and a subsequent pre-coating creates a plastic dome, in which the two contact geometries to be connected are plugged, for example can. By embracing this dome may be by induction soldering at a corresponding Lötdepot the plug connection are secured. This will be the appropriate Tool guided over the plastic dome, in which case the heat generated liquefies the solder and firmly connect both contacts.

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 allows a simple and subsequent mechanical Mounting increase of inaccessible, for example, pre-assembled contacts. A screwing of the two parts with the contacts with each other can be omitted. Another big advantage is that a corrosion infiltration of the contacts is not more can take place.

Anhand eines Ausführungsbeispiels mit Zeichnung soll die Erfindung näher erläutert werden.Reference to an embodiment with drawing, the invention will be explained in more detail.

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 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. It shows the only figure a closed system 10 consisting of a servo motor contact 1 (sword) of a servo motor not shown in detail as well as a plastic cover. 2
The sword 1 of the servomotor engages in a drawn spring contact 3, here with integrally formed contact loop 4, which are injected within the plastic cover 2. Due to the drawn spring contact 3, a plastic dome 5 is formed at this point. The spring contact 3 is like the sword 1 metallic.
With assembly of both parts, ie the placement of the plastic cover 2 on the servomotor, not shown, the actuator contact 1 and the spring contact 3 are no longer accessible from the outside.

Zur Erhöhung der mechanischen Verbindung wird nun ein auf der Oberfläche des Stellmotorkontaktes 1 und des Federkontaktes 3 zumindest im Seitenbereich befindliches Lotdepot 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 Lot, insbesondere Zinn 6, werden beide Kontakte 1, 3 miteinander fest verbunden. Neben der mechanischen Verbindung wird auch die elektrische Verbindung verbessert.To increase the mechanical connection will now be on the surface of the Stellmotorkontaktes 1 and the spring contact 3 located at least in the side region solder deposit 6, for example tin, silver or gold, liquefied by induction soldering. This will be a non-illustrated induction tool on the plastic dome 5 out. The generated Heat is dimensioned to melt or destroy the plastic dome 5 is avoided. By solder, in particular tin 6, both contacts 1, 3 firmly connected. In addition to the mechanical connection is also the electrical Connection improved.

Claims (1)

  1. Method for producing a fixed connection of contact geometries mounted using blind mounting, in which a solder deposit (6) between mutually adjoining contact geometries is liquefied by means of induction soldering, characterized in that
    firstly, a plastic dome (5) is formed from a spring contact (3), which is in the form of a contact loop (4), by plastic being injection moulded around it, and then a metallic contact element (1) is inserted into the contact loop (4) all the way into a region of the plastic dome (5), and in that, subsequently, an induction tool is passed over the plastic dome (5), and in that, finally, a solder deposit (6), which is located in the region of the contact loop (3) and the plastic dome (5), is liquefied by 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
DE10229525A DE10229525A1 (en) 2002-07-01 2002-07-01 Method for more firmly connecting contact geometries mounted in a blind assembly
DE10229525 2002-07-01

Publications (2)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2008041484A1 (en) * 2006-09-26 2010-02-04 アルプス電気株式会社 Joining method between metal terminals using elastic contact
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
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

Family Cites Families (5)

* 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
CA1245735A (en) * 1985-05-09 1988-11-29 John T. Venaleck Method and mass termination connector with solder connections
DE19834865A1 (en) * 1998-08-01 2000-02-03 Bosch Gmbh Robert Electrical cable connector e.g. for use in car, has releasable or permanent connection selectively provided between cable connector and cable plug electrical contacts
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
US6614335B2 (en) 2000-01-28 2003-09-02 I F M Electronic Gmbh Unit consisting of a proximity switch and a cable terminal part and a process for its manufacture

Also Published As

Publication number Publication date
US20040003936A1 (en) 2004-01-08
DE50300794D1 (en) 2005-08-25
DE10229525A1 (en) 2004-01-15
US7146723B2 (en) 2006-12-12
JP2004039631A (en) 2004-02-05
EP1378976A1 (en) 2004-01-07

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