EP2880717A1 - Contact électrique inséré par compression - Google Patents

Contact électrique inséré par compression

Info

Publication number
EP2880717A1
EP2880717A1 EP13744478.2A EP13744478A EP2880717A1 EP 2880717 A1 EP2880717 A1 EP 2880717A1 EP 13744478 A EP13744478 A EP 13744478A EP 2880717 A1 EP2880717 A1 EP 2880717A1
Authority
EP
European Patent Office
Prior art keywords
press
pin
aluminum
coating
electrical contacting
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
EP13744478.2A
Other languages
German (de)
English (en)
Other versions
EP2880717B1 (fr
Inventor
Michael Guyenot
Friedhelm Guenter
Sabrina RATHGEBER
Marc Fischer
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2880717A1 publication Critical patent/EP2880717A1/fr
Application granted granted Critical
Publication of EP2880717B1 publication Critical patent/EP2880717B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • 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
    • H01R13/02—Contact members
    • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
    • 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
    • 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.
    • Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
    • Y10T29/49139—Assembling to base an electrical component, e.g., capacitor, etc. by inserting component lead or terminal into base aperture

Definitions

  • Prior art DE 10 2009 042 385 A1 relates to a plug-in device for electrical
  • the connector device has a mounting area and a
  • the transfer region or the entire connector device may be made of aluminum.
  • automotive applications are mentioned, for example, there are high mechanical loads and strong currents are transmitted.
  • DE 10 2005 018 780 A1 discloses a board connection terminal with a stable electrical contact with strong holding force of the terminal.
  • the terminal may be a press-fit terminal or a press-in terminal which is inserted or clamped in a printed circuit board bus bar or a printed circuit board and electrically connected to a circuit board. As a result, power is transmitted from a battery or electrical signals are transmitted without solder joint.
  • Terminal is made of a conductive material, e.g. made of an aluminum alloy, and is formed by punching and pressing the conductive material.
  • the terminal provides the electrical power to the bus bar of a circuit in an electrical connector box, e.g. a junction box or fusebox, and controls electronic elements, e.g. a fuse or a relay.
  • the bus bar may be provided in an electrical connection box disposed in a machine room or under a vehicle interior.
  • DE 10 2009 008 1 18 A1 discloses a method for producing an electrical contact on a printed circuit board, wherein the contact via a non-positive connection between a press-fit pin having a press-fit zone and a contact area and a metallized printed circuit board opening is made.
  • the entire press-fit pin or only the press-fit zone may be formed coated with aluminum.
  • peripherals and circuit boards are often connected by means of press-fit or insulation displacement connections, the so-called cold bonding technique (KKT).
  • the cold contacting technique by means of press-fit connections represents a cost-effective and robust alternative
  • Soldering technique for example, the THT method (through-hole technology).
  • press-in connections blind joining can also be made possible, as described, for example, in US Pat. is required when contacting components located in the lid.
  • copper and various copper alloys such as, for example, CuNiSi and CuSn6 with a corresponding end surface, for example, galvanic tin, are used in the course of cold press-in connections.
  • an electrical contact in particular a press-in pin for a circuit carrier is proposed.
  • the circuit carrier has at least one
  • the press-in pin proposed according to the invention may be made of aluminum solid material, alternatively the press-in pin may comprise aluminum material sections or may be formed as a press-fit pin made of aluminum solid material provided with a coating, in particular a roll-coated copper cladding coating.
  • a coating in particular a roll-coated copper cladding coating.
  • Embodiment of the invention proposed Einpresspins, which is connected by means of cold contacting technology with the circuit board, the aluminum full material can be coated with a galvanic coating in the first embodiment of the Einpresspins.
  • This galvanic coating may be, for example, NiAu or Sn.
  • press-fit pin proposed according to the invention, it is manufactured as a "sandwich" component and comprises in a sequential sequence
  • Circuit carrier is pressed into the corresponding press-in.
  • an aluminum section adjoins this first section of the press-fit pin, within which there is a deflection zone of the press-in pin.
  • deflection zone is meant, for example, such a zone of Einpresspins, within which the press-in pin experiences, for example, a 90 ° deflection and passes from a vertical course, for example in a horizontal course.
  • the deflection of the press-in pin can also assume other angular profiles depending on requirements and application.
  • the press-in pin in its second embodiment represents a hybrid component.
  • Variant be made of Al solid material.
  • a Cu cladding coating can be applied on the outer surface of this Al material according to the third embodiment.
  • the application of this Cu-shell coating is preferably carried out by way of roll cladding.
  • a press-in pin whose mechanical properties are to be characterized substantially by the Al material.
  • the resilient region i. the press-in area of the press-in pin in the circuit carrier is formed by two cheeks, which are separated by an opening.
  • the press-in pin proposed according to the invention can still be produced from strip-shaped material, which is accompanied by the advantage that tools and / or proven production processes do not have to be changed.
  • the press-in pin proposed according to the invention can be mounted with its ultrasound support in the above-outlined three embodiments in the corresponding press-in zones of the circuit carrier.
  • an electrical contact or a connector may need a reibkorrosionsbe relatively low-density surface.
  • a surface can be achieved, for example, by manufacturing technology in that the complete bands, i. the raw material or partially already punched Einpastepins can be finished by means of a galvanically applied coating.
  • the galvanic coating can be, for example, NiAu, Sn, NiPdAu and the like.
  • connection given by a connector between the periphery, device and a circuit board can be significantly improved.
  • an existing Einpresspin portfolio can be replaced or expanded in electronic controls.
  • the solution proposed according to the invention can be used as a media-resistant press-in technique, such as e.g. When used in vehicle transmissions required use, it can be a cost advantage achieved by the fact that instead of copper, the replacement material aluminum can be used.
  • FIG. 1 shows a first embodiment variant of a press-fit pin proposed according to the invention, produced from aluminum full material
  • FIG. 2 shows a further, second embodiment of the invention
  • Einpresspins in the aluminum full material is provided with a galvanic coating.
  • FIG. 1 shows a first embodiment variant of the press-fit pin made of aluminum solid material proposed according to the invention.
  • FIG. 1 shows a circuit substrate 10, wherein in the carrier substrate of
  • Circuit carrier 10 interconnects 30 are embedded.
  • the running within the circuit substrate 10 traces 30 are connected to contact surfaces 32.
  • the contact surfaces 32 in turn are enclosed by contact surfaces 28 which supplement a press-in opening 12 in the circuit carrier 10. From the sectional view of Figure 1 shows that the press-in opening 12 extends continuously through the circuit substrate 10 from the top to the bottom.
  • the injection port 12 provides a
  • Press-in zone 14 in which a press-16 is pressed.
  • the press-in pin 16 according to the illustration in FIG. 1 is one which is made entirely of aluminum material 36.
  • continuous press-16 is pressed under ultrasonic support in the press-fit zone 14 of the circuit substrate 10. Due to the ultrasound support can in
  • Embodiment of the proposed solution according to the invention takes place by way of cold contacting technology.
  • the illustration according to FIG. 1 shows that the press-in pin has a 90 ° deflection 18.
  • This is, as Figure 1 can be seen, made of aluminum full material 36 of the press-16.
  • the press-in pin 16 At the end of the press-fit pin 16, which projects into the press-in opening 12 of the press-fit zone 14, the press-in pin 16 has a resilient region 20.
  • the resilient region 20 is defined in the aluminum material 36 by a first cheek 22 and a second cheek 24. Between the cheeks 22 and 24 is an opening 26.
  • the two cheeks 22 and 24 have elastic properties and contact the contact surfaces 32 after installation of the Einpresspins 16 in the
  • Press-fit opening 12 The press-fit pin made of aluminum solid material 36 shown in FIG. 1 may have a complete or partial electroplating coating.
  • Suitable surfaces are, for example, NiAu and Sn.
  • FIG. 2 shows a further, second embodiment variant of the invention
  • this press-fit pin 16 is one which has a copper spring region 38, adjoined by a deflecting region 40 made of aluminum solid material, which in turn merges into a Cu conductor section 42.
  • the geometry of the press-fit pin according to the representation in FIG. 2 according to the second embodiment variant of the solution proposed according to the invention is identical to the geometry of the press-fit pin 16 according to the illustration in FIG. 1, which is manufactured there from aluminum full material 36.
  • the deflection 18 according to the second embodiment of the press-fit pin 16 likewise lies in the aluminum section 40 of the press-fit pin 16.
  • the circuit carrier 10 according to the embodiment of FIG. 2 is constructed analogously to the circuit carrier 10 according to FIG. In the carrier substrate of the circuit substrate 10 embedded conductor tracks 30 which are connected to contact surfaces 32 which are enclosed by contact surfaces 28 extend. The contact surfaces 28 finally limit the press-in opening 12, which lies within the press-fit zone 14 of the circuit carrier 10. Analogously to the representation according to FIG. 1, the press-in opening 12 extends completely through the circuit carrier 10, i. from its top to its bottom.
  • the copper spring region 38 is not made Aluminum but made of copper.
  • the aluminum deflection region 40 as shown in FIG. 2 has the advantage that in the region of the deflection 18 a lower modulus of elasticity and thus a lower rigidity with the same geometry are compared with FIG. 1
  • thermomechanically induced stresses due to temperature changes can also be reduced better in the configuration of the press-fit pin 16 according to the second embodiment variant according to FIG.
  • FIG. 3 shows a further, third embodiment of the invention
  • the press-in pin 16 shown there is also essentially made of Al base material 36, but over its entire surface it is provided with a cladding coating 48, which may be roll-clad, for example, from copper.
  • a cladding coating 48 which may be roll-clad, for example, from copper.
  • the geometry of the press-fit pin 16 is substantially identical to the geometries of the press-fit pins 16 according to the embodiment variants according to FIGS. 1 and 2 described above.
  • a resilient region 20 of the Einpresspins 16 is formed, which is provided in the region of the opening 26 on the inside and on the outside of the first cheek 22 and the second cheek 24 with a cladding coating 48, for example made of copper.
  • the circuit carrier 10 according to FIG. 3 comprises individual conductor tracks 60 embedded in its interior, which are electrically connected to contact surfaces 32, which in turn are enclosed by abutment surfaces 28 which bound the press-in opening 12 of the press-in zone 14 in the circuit carrier 10. Also in connection with the embodiment variants of the press-fit pins 16 according to FIGS. 2 and 3, it should be mentioned that these are supported by ultrasound in the
  • Press-in opening 12 of the press-in zone 14 are mounted.
  • All variants of the Einpresspins 16 according to Figures 1 to 3 is common that the production of Einpresspins 16 can be made as previously from band-shaped material. This has the advantage that tools and a proven manufacturing process can be maintained unchanged.
  • the above-mentioned band-shaped material or already partially punched Einpastepins can be finished by means of a galvanically applied coating.
  • Such friction corrosion resistant surfaces are, for example, NiAu, Sn, NiPdAu, to name a few.
  • the connection point can be one which represents a plug connection between a periphery and a component on the one hand and the circuit carrier 10 on the other hand.
  • the solution proposed according to the invention advantageously makes it possible to supplement an existing press-in pin portfolio with electronic control systems.
  • the proposed solution according to the invention can be used, in particular, in the context of a media-resistant press-fit technique, as required, for example, for use in transmission control systems of vehicles.
  • the replacement material aluminum replaces the previously used copper, which can save material costs to a considerable extent, since aluminum is a cheaper base material compared to copper.
  • the inventively proposed solution can attenuate or reduce thermomechanically induced loads, so that an electrical connector, which is produced by way of cold contacting technique, is considerably improved in terms of their durability. It would also be conceivable to realize further layer sequences, ie a layer composite of Cu, Al, Cu and Al. Instead of Cu and Al would be present

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

L'invention concerne un contact électrique, réalisé en particulier comme une broche insérée par compression (16) pour un support de circuit (10). Ce dernier comprend au moins une zone d'insertion par compression (14) sur laquelle des tracés conducteurs (30) peuvent être mis en contact. La broche insérée par compression (16) est soit fabriquée à partir d'un matériau plein en Al (36), ou contient au moins une partie de matériau en Al (40), ou est réalisée à partir d'un matériau plein en aluminium (36, 46) pourvu d'un revêtement de Cu (48).
EP13744478.2A 2012-08-03 2013-07-24 Contact à ajustement serré Active EP2880717B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012213812.9A DE102012213812A1 (de) 2012-08-03 2012-08-03 Einpresskontaktierung
PCT/EP2013/065590 WO2014019906A1 (fr) 2012-08-03 2013-07-24 Contact électrique inséré par compression

Publications (2)

Publication Number Publication Date
EP2880717A1 true EP2880717A1 (fr) 2015-06-10
EP2880717B1 EP2880717B1 (fr) 2020-04-22

Family

ID=48914243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13744478.2A Active EP2880717B1 (fr) 2012-08-03 2013-07-24 Contact à ajustement serré

Country Status (5)

Country Link
US (1) US9455502B2 (fr)
EP (1) EP2880717B1 (fr)
CN (1) CN104521068B (fr)
DE (1) DE102012213812A1 (fr)
WO (1) WO2014019906A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014208101A1 (de) 2014-04-29 2015-10-29 Robert Bosch Gmbh Elektrische Verbindungsanordnung für die elektrische Verbindung von Leiterplatten untereinander mittels lötfreier Einpresskontaktierung
DE102014208226B4 (de) * 2014-04-30 2020-07-23 Conti Temic Microelectronic Gmbh Kontaktelement, Schaltungsanordnung mit einem solchen Kontaktelement und Kupferband zur Herstellung einer Vielzahl von Kontaktelementen
DE102014109036A1 (de) * 2014-06-27 2015-12-31 Valeo Schalter Und Sensoren Gmbh Elektrische Verbindungsvorrichtung mit zwei Bereichen für eine Leiterplatte, elektronisches Gerät, Kraftfahrzeug und Herstellungsverfahren
DE102015223850A1 (de) 2015-12-01 2017-06-01 Robert Bosch Gmbh Verfahren zur Herstellung einer Vorrichtung zur Erfassung mindestens einer Eigenschaft eines fluiden Mediums in einem Messraum
DE102017206217A1 (de) * 2017-04-11 2018-10-11 Robert Bosch Gmbh Elektrische Kontaktanordnung
DE102017108640B4 (de) 2017-04-24 2022-11-10 Borgwarner Ludwigsburg Gmbh Elektronikmodul
DE102017006406B4 (de) * 2017-07-07 2021-04-29 Tdk-Micronas Gmbh Gehäustes IC-Bauelement
DE102018203800B4 (de) * 2018-03-13 2019-11-21 Te Connectivity Germany Gmbh Kontaktstift und Anordnung zur Verbindung von elektrischen Leitern aus Kupfer und Aluminium
US11456548B2 (en) 2019-09-18 2022-09-27 International Business Machines Corporation Reliability enhancement of press fit connectors
DE102022210287A1 (de) 2022-09-28 2024-03-28 Robert Bosch Gesellschaft mit beschränkter Haftung Verbindungsanordnung und Verfahren zur Ausbildung einer Verbindungsanordnung

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US5230632A (en) * 1991-12-19 1993-07-27 International Business Machines Corporation Dual element electrical contact and connector assembly utilizing same
DE4242837A1 (de) * 1992-12-17 1994-06-23 Siemens Ag Verfahren und Vorrichtung zum Einpressen von metallischen Elementen in Trägerteile
US5374204A (en) * 1993-11-30 1994-12-20 The Whitake Corporation Electrical terminal with compliant pin section
JP4159897B2 (ja) * 2003-02-26 2008-10-01 東洋鋼鈑株式会社 ハンダ性に優れた表面処理Ａｌ板、それを用いたヒートシンク、およびハンダ性に優れた表面処理Ａｌ板の製造方法
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Also Published As

Publication number Publication date
DE102012213812A1 (de) 2014-02-06
WO2014019906A1 (fr) 2014-02-06
US20150214636A1 (en) 2015-07-30
EP2880717B1 (fr) 2020-04-22
CN104521068B (zh) 2017-07-11
CN104521068A (zh) 2015-04-15
US9455502B2 (en) 2016-09-27

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