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WO2010028931A1 - Contact enfichable de puissance et agencement de carte de circuits - Google Patents

Contact enfichable de puissance et agencement de carte de circuits Download PDF

Info

Publication number
WO2010028931A1
WO2010028931A1 PCT/EP2009/060597 EP2009060597W WO2010028931A1 WO 2010028931 A1 WO2010028931 A1 WO 2010028931A1 EP 2009060597 W EP2009060597 W EP 2009060597W WO 2010028931 A1 WO2010028931 A1 WO 2010028931A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
plug contact
circuit board
printed circuit
power plug
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.)
Ceased
Application number
PCT/EP2009/060597
Other languages
German (de)
English (en)
Inventor
Wolfgang Pade
Peter Rehbein
Michael Fleig
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
Priority to EP09781890A priority Critical patent/EP2324536A1/fr
Publication of WO2010028931A1 publication Critical patent/WO2010028931A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • 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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
    • 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
    • H01R13/42—Securing in a demountable manner
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • H01R13/432—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by stamped-out resilient tongue snapping behind shoulder in base or case
    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/642—Means for preventing incorrect coupling by position or shape of 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
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • 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
    • H01R4/18—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 by crimping
    • H01R4/183—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 by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—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 by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • 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 an electrical power plug contact according to the preamble of claim 1 and a printed circuit board assembly according to claim 11.
  • the so-called male connector also called pin tray
  • the interface Today in the automotive industry for contacting printed circuit boards of control devices and other components, such as valves, sensors, actuators, etc. releasable plug-in connections are used for electrical contacting, called the so-called male connector, also called pin tray, the interface.
  • the male connectors consist of a metallic stamped grid encased with plastic, which implements the so-called pins for the interface to the connector.
  • the stamped grid is fixed by soldering, welding, etc. or via so-called press-fit connections on a printed circuit board and serves to receive a plug-in contact.
  • a disadvantage of the known connectors with male connector is the high space requirement. A miniaturization failed so far to be realized in the normal forces of the plug contact for secure electrical contacting of the control unit and to be guaranteed robustness of the plug contact. Further connectors used in the automotive sector are described in DE 202 08 635 U1, EP 0 971 446 B1, DE 102 24 889 A1, DE 102 24 683 A1, DE 44 39 105 C1 and DE 101 21 654 A1 described.
  • the invention has for its object to provide a simple design, robust and suitable for transmitting high currents power connector, which is suitable for connecting an electrical cable of a wiring harness in a motor vehicle to a control unit or other motor vehicle component.
  • the electrical power plug contact should have a low space requirement.
  • the object is to propose a printed circuit board arrangement in which a conductor track is contacted with a simply constructed, robust power transmission plug-in contact suitable for the transmission of large currents.
  • male connectors on the conductor for contacting the plug contact should preferably be dispensed with.
  • the invention is based on the idea to form the contact region of the power plug contact such that it is suitable for direct contacting of a conductor track of a printed circuit board. This can be dispensed with the provision of male connectors, as they are necessary in the prior art. By dispensing with male connectors the space requirement for the entire connector is significantly reduced when using a trained according to the concept of the invention power connector.
  • the power plug contact comprises spring means.
  • the normal force is about 0.5 to 4N or more.
  • the spring means realize a large elastic travel of up to about 0.4mm.
  • the Power plug contact on one of the conductor track of the printed circuit board opposite plastic surface supported is dimensioned such that the electrical current carrying capacity of a standard printed circuit board is at least 1.5A continuous current at temperatures up to 80 0 C and / or at least briefly at least 8A at temperatures up to at least 80 0 C.
  • the sheet thickness of the stamped sheet is less than 0.3mm, most preferably about 0.2mm. It is particularly expedient if the plug contact is formed in one piece, which can be dispensed with an assembly of mutually fixed plug contact components.
  • the stamped and bent part can be formed for example of a copper alloy, or of steel, in particular stainless spring steel or stainless steel.
  • the plug contact is formed in two parts, wherein the two components forming the plug contact are preferably made of metal, very preferably of different metals or metal alloys. It is an embodiment feasible, in which both components are made of the same or different copper alloy. Especially preferred is a material combination of a copper alloy and a steel alloy, in particular stainless spring steel or stainless steel. To ensure the high electrical current carrying capacity mentioned above, it is preferred if the spring means causing a normal force are designed and arranged such that they contact a current-carrying region of the plug contact in an inserted state of the plug contact, preferably with a free end enable a second current path for supplying the contact region with electrical energy from two sides, wherein the spring means is preferably part of this second current path for supplying the
  • the spring means may comprise a spring element, or alternatively two, or three, or four or more spring elements movable relative to each other.
  • the plug contact preferably comprises a locking spring which reliably prevents the plug contact from being pulled out of an inserted position contacting the printed circuit board.
  • the contact region of the power plug contact is formed by at least one convex contact section (contact point) extending in the direction of the printed conductor track. It is particularly preferred if at least two contact points are provided with spherical geometry for the realization of a redundant contacting.
  • the plug contact is selectively coated with tin, silver, gold, palladium or nickel, etc. It is particularly preferred if the plug contact in the region of the conductor track of the printed circuit board directly contacting contact points is selectively coated with such a coating. Additionally or alternatively, the spring means described above can be coated in a contact region for producing the second current path in the same way or otherwise, in particular for improving the conductivity. Further alternatively, the entire plug contact, in particular for improving the electrical conductivity, preferably as described above, coated.
  • a particularly robust power plug contact can be obtained if the contact region for direct contacting of the conductor track of the printed circuit board is formed on a strip-shaped, preferably spring-forming, section of the plug contact, which is accommodated between two lateral protective walls, which are preferably extend perpendicular to the contact area forming strip portion.
  • the strip section is longitudinally slit in sections, wherein at least one spherical contact geometry for direct contacting of the conductor track is preferably realized on each of the strip section regions separated by the slot.
  • the strip portion forming the contact area forms at least one, preferably only one, locking spring for preventing undesired removal of the plug contact against the plug-in direction.
  • the locking spring is curved. It is particularly preferred if the locking spring a Secondary locking element is assigned, which reliably prevents unlocking of the locking spring.
  • the protective walls are connected to the strip section via in each case at least one spot weld, preferably via in each case three weld points.
  • spot welds between strip section and protective walls, it is also possible to realize more cost-effective connections.
  • the at least one spot weld and / or the at least one clinching are thereby preferably part of a first current path which permanently supplies the contact region with current.
  • this first rung preferably include the side walls of the
  • Power plug contact and a front, curved portion of the strip portion are provided.
  • At least one of the side walls is designed as a plug coding to prevent a misoriented insertion of the power plug contact safely.
  • the coding is preferably embodied as a coding wall extending perpendicularly to the longitudinal extent of the connector, which is formed with a corresponding mating contour of the electrical device to be contacted, in particular a control device, preferably a door control device, in a motor vehicle.
  • the electric cable be determined by crimping or welding on the plug contact. It is particularly preferred if the connecting means comprise at least one metal tab designed and arranged for crimping with the cable.
  • the invention also leads to a printed circuit board arrangement, comprising a printed circuit board provided with at least one conductor track, which is contacted directly by a power plug contact designed according to the concept of the invention.
  • a printed circuit board assembly comprising a printed circuit board provided with at least one conductor track, which is contacted directly by a power plug contact designed according to the concept of the invention.
  • the spring means in the inserted, i. kraftbeaufschlagtem state unlock a second current path to realize the required current carrying capacity.
  • FIG. 1 is a perspective view of a power plug contact obliquely from above
  • Fig. 2 is a perspective view of the power plug contact according to FIG. 1 obliquely from below
  • Fig. 3 is a perspective view of the power plug-in contact, with a representation of side protection walls for a better understanding of the "inner life" has been omitted.
  • FIGS. 1 to 3 show a power plug contact 1 for the direct contacting of a printed conductor 2 shown in FIG. 3 on a printed circuit board 3.
  • the power plug contact 1 shown in FIGS. 1 to 3 is used for making electrical contact with a door control unit in a motor vehicle or for connecting a wiring harness to this control unit.
  • the power plug-in contact 1 is fixed by crimping on a stripped end 4 of an electric cable 5.
  • the power plug-in contact 1 designed as Krimplaschen connecting means 6 which form on its inside not provided with a reference Porterfeldnt inhabit- contact of the electric cable 5.
  • the illustrated power connector 1 is a one-piece, formed entirely of metal, stamped and bent part. This comprises on its underside 7 a contact area 8 for direct contact with the conductor 2 of the printed circuit board 3.
  • the contact area 8 is formed on spring means 9, with which a contact force (normal force) perpendicular to the insertion direction 10 on the contact area 8 can be exercised.
  • the contact region 8 is formed by four, in the direction of the conductor 2 raised, convex abutment portions 11 for the realization of a redundant contact.
  • the multi-part contact region 8 is formed on a bent strip section 12 of the power plug contact 1, which forms the spring means 9 simultaneously with its lower region facing the printed conductor 2.
  • the strip section 12 is longitudinally slotted in the region of the spring means 9 or in the contact region 8, ie formed by two spring means 9 which are adjustable relative to one another and lies in the region of its lower, free right in the plane of the drawing Endes 13 at one in a formed as a flat portion current-carrying region 14, wherein the current-carrying region 14 as viewed in the insertion direction 10 between the connecting means 6 and the contact region 8 is located.
  • the free end 13 of the spring means 9 is spaced from the current-carrying region 14.
  • the spring means 9 pivot with their free end 13 (from below) against the current-carrying region 14 and thus close a second current path 18 for supplying the contact region 8 with power or to ensure required current carrying capacity.
  • On the (upper) side facing away from the (lower) free end 13 of the current-carrying portion 14 is a bevelled, (upper) free end 15 of the strip portion 12. This forms a locking spring 16, which in the inserted state of the power plug contact.
  • these secondary locking means 19 are assigned in the form of a metal level, which is engaged behind by the locking spring 16 in the locked state, so that a non-destructive release of the once inserted power plug contact 1 is virtually impossible.
  • the strip section 12 is received between two mutually parallel protective walls 21, 22, which project beyond the front, bent section 20 in the insertion direction 10.
  • the surface extension of the protective walls 21, 22 extends substantially perpendicular to the surface extensions of the upper and lower sides of the strip section 12.
  • the protective walls 21, 22 are each connected to the strip section 12 via three spot welds 23.
  • a kind of robust (hollow) box is formed together with the strip portion 12.
  • a first current path 17, to which a second current path 18 is connected upon application of force to the spring means 9, is essentially formed by the current-carrying region 14, the protective walls 21, 22, the welding points 23, upper portion (upper side) of the strip portion 12 and one of the bent
  • the second current path 18 is formed with the power plug-in contact 1 plugged in by the current-carrying region 14 and the region of the current section 12 between the current-carrying region 14 and the contact region 8.
  • the power plug contact 1 When plugged in, the power plug contact 1 is supported with the top of the strip portion 12, preferably approximately opposite the contact region 8, on a plastic surface, not shown, which is arranged such that the spring means 9 are compressed perpendicular to the insertion direction 10 and thus the second current path 18 is released.
  • the front in the plane of the protective wall 22 is formed as a male coding 24, which is to ensure a correctly oriented insertion of the power plug-in contact 1.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

L'invention concerne un contact électrique enfichable de puissance (1), en particulier pour fournir une alimentation en tension et/ou en courant à un composant électrique d'un véhicule automobile, avec une surface de contact de conducteur destinée à établir le contact avec un câble électrique (5), avec des moyens élastiques (9) destinés à fournir une force d'application orientée perpendiculairement à une direction d'enfichage (10) et avec un ressort de verrouillage (16) destiné à empêcher l'extraction du contact enfichable de puissance (1) dans le sens opposé à la direction d'enfichage (10). Selon l'invention, il est prévu qu'une zone de contact (8) soit conçue pour établir directement le contact avec une piste conductrice (2) d'une carte de circuits (3). L'invention concerne en outre un agencement de carte de circuits.
PCT/EP2009/060597 2008-09-12 2009-08-17 Contact enfichable de puissance et agencement de carte de circuits Ceased WO2010028931A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09781890A EP2324536A1 (fr) 2008-09-12 2009-08-17 Contact enfichable de puissance et agencement de carte de circuits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008042050A DE102008042050A1 (de) 2008-09-12 2008-09-12 Leistungs-Steckkontakt sowie Leiterplattenanordnung
DE102008042050.6 2008-09-12

Publications (1)

Publication Number Publication Date
WO2010028931A1 true WO2010028931A1 (fr) 2010-03-18

Family

ID=41278641

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/060597 Ceased WO2010028931A1 (fr) 2008-09-12 2009-08-17 Contact enfichable de puissance et agencement de carte de circuits

Country Status (3)

Country Link
EP (1) EP2324536A1 (fr)
DE (1) DE102008042050A1 (fr)
WO (1) WO2010028931A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011003887A1 (de) * 2011-02-09 2012-08-09 Robert Bosch Gmbh Elektrische Direktkontaktierungsanordnung für Kontaktflächen auf einer Leiterplatte
DE102011006226A1 (de) * 2011-03-28 2012-10-04 Robert Bosch Gmbh Elektrisches Kontaktelement zur elektrischen Direktkontaktierung von Leiterplatten
DE102012218231B4 (de) 2012-10-05 2025-07-31 Robert Bosch Gmbh Kontakt für Steckverbindung mit Primärverriegelungslanze und positionierender Federanordnung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431252A (en) * 1980-05-27 1984-02-14 Ford Motor Company Printed circuit board edge connector
DE4439105C1 (de) * 1994-11-02 1996-04-25 Kostal Leopold Gmbh & Co Kg Elektrische Steckverbindung
WO2002095877A1 (fr) * 2001-05-21 2002-11-28 Stocko Contact Gmbh & Co. Kg Connecteur a fiche permettant notamment la mise en contact d'une ligne electrique presentant des points de contact de configurations differentes et ensemble compose d'un connecteur a fiche et d'une ligne electrique
DE10224683A1 (de) * 2002-06-04 2003-12-18 Bosch Gmbh Robert Geschweißter Meanderkontakt
US20040121629A1 (en) * 2002-11-15 2004-06-24 You Sun Zhao Circuit board mounted electical connector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3110494B2 (ja) 1991-06-14 2000-11-20 バーグ・テクノロジー・インコーポレーテッド コネクタ
DE19828984A1 (de) 1998-06-29 1999-12-30 Whitaker Corp Zweiteiliger elektrischer Buchsenkontakt
DE19934302C2 (de) 1999-07-21 2003-02-13 Amphenol Tuchel Elect Kontaktiereinrichtung und Kontaktelement
US6319023B2 (en) 1999-12-02 2001-11-20 Tyco Electronics Canada Ltd Press-fit electrical connector
US6244910B1 (en) 2000-05-04 2001-06-12 Tyco Electronics Corporation Electrical box contact with stress limitation
DE10224889A1 (de) 2002-06-04 2003-12-18 Metanomics Gmbh & Co Kgaa Verfahren zur stabilen Expression von Nukleinsäuren in transgenen Pflanzen
DE20208635U1 (de) 2002-06-04 2003-10-16 Bosch Gmbh Robert Kontaktelement für eine elektrische Steckverbindung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431252A (en) * 1980-05-27 1984-02-14 Ford Motor Company Printed circuit board edge connector
DE4439105C1 (de) * 1994-11-02 1996-04-25 Kostal Leopold Gmbh & Co Kg Elektrische Steckverbindung
WO2002095877A1 (fr) * 2001-05-21 2002-11-28 Stocko Contact Gmbh & Co. Kg Connecteur a fiche permettant notamment la mise en contact d'une ligne electrique presentant des points de contact de configurations differentes et ensemble compose d'un connecteur a fiche et d'une ligne electrique
DE10224683A1 (de) * 2002-06-04 2003-12-18 Bosch Gmbh Robert Geschweißter Meanderkontakt
US20040121629A1 (en) * 2002-11-15 2004-06-24 You Sun Zhao Circuit board mounted electical connector

Also Published As

Publication number Publication date
EP2324536A1 (fr) 2011-05-25
DE102008042050A1 (de) 2010-03-18

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