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EP0949719B1 - Elektrischer Steckverbinder für ein Fahrer- oder Beifahrerairbagsystem in Kraftfahrzeugen - Google Patents

Elektrischer Steckverbinder für ein Fahrer- oder Beifahrerairbagsystem in Kraftfahrzeugen Download PDF

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Publication number
EP0949719B1
EP0949719B1 EP99400593A EP99400593A EP0949719B1 EP 0949719 B1 EP0949719 B1 EP 0949719B1 EP 99400593 A EP99400593 A EP 99400593A EP 99400593 A EP99400593 A EP 99400593A EP 0949719 B1 EP0949719 B1 EP 0949719B1
Authority
EP
European Patent Office
Prior art keywords
housings
pins
housing
pin
socket
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
EP99400593A
Other languages
English (en)
French (fr)
Other versions
EP0949719A1 (de
Inventor
Philippe Burguburu
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.)
Automobiles Peugeot SA
Automobiles Citroen SA
Original Assignee
Automobiles Peugeot SA
Automobiles Citroen SA
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 Automobiles Peugeot SA, Automobiles Citroen SA filed Critical Automobiles Peugeot SA
Publication of EP0949719A1 publication Critical patent/EP0949719A1/de
Application granted granted Critical
Publication of EP0949719B1 publication Critical patent/EP0949719B1/de
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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
    • H01R13/7032—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity making use of a separate bridging element directly cooperating with the terminals

Definitions

  • the present invention relates to an electrical connector that can be used in particular in a device for pyrotechnic ignition of an airbag for protecting a driver or passenger of a motor vehicle.
  • the present invention aims to overcome the above disadvantages of known electrical connectors by providing an electrical connector comprising the technical features as set forth in claim 1.
  • the housing comprising the bushing elements comprises a front part, preferably in the form of a spout, for simultaneously lifting the flexible fingers except that associated with the preferred spindle to disengage them from their respective spindles when the spindle of the privileged spindle is in contact with the corresponding socket member.
  • the casing having the socket members is arranged to disengage the prominent shape of the socket member and interrupt the temporary electrical connection between the preferred pin and the socket member when the two casings are at a position at which the pins come into contact. electrical contact with their corresponding socket members.
  • the two housings comprise mutual guiding means when they are plugged in and, preferably, these means comprise a piece forming a slideway integrated into one of the casings and a piece forming a slide integral with the other casing.
  • the electrical connector is advantageously applied to pyrotechnic ignition devices for the triggering of occupant protection airbags of a motor vehicle.
  • the figure 2 is a longitudinal sectional view of the electrical connector of the invention, the two housings are separated from one another.
  • the figure 3 is a sectional view along line III-III of the figure 2 .
  • the figure 4 is a sectional view along line IV-IV of the figure 2 .
  • the figure 5 is a sectional view similar to that of the figure 3 but representing the two connector housings in the fully depressed position one in the other.
  • the figure 6 is a sectional view similar to that of the figure 4 but representing the two connector housings in the fully depressed position one in the other.
  • the figure 7 is a sectional view along line VII-VII of the figure 2 .
  • the electrical connector comprises two housings 1, 2 of insulating material, plug-in one in the other so that the pins 3, of the same length, housed in parallel in the housing 2, engage in electrical contact respectively in elements forming sockets 4 housed in the housing 1 so as to make electrical connections or phases in which can circulate relatively large currents.
  • the electrical connector can be applied to supply a pyrotechnic igniter for automotive airbags or airbags, but it is understood that it can be applied to any other device to be powered. by particularly important currents.
  • the contact pins 3 are electrically connected to the conductive wires 5, while the socket elements are connected to the conductive wires 6.
  • the electrical connector comprises three pairs of pins 3 and socket members 4, whose one at the bottom of the figure 2 is a so-called "privileged" phase, especially of mass, to ensure the protection of personnel against significant electrostatic charges during the handling of the connector.
  • the electrical connector further comprises early connection means arranged to firstly provide a temporary electrical connection preferably of the preferred pin 3 to the corresponding socket member 4 and then interrupt the electrical connection Provisionally when all pins 3 come into electrical contact with their respective socket members 4.
  • a shunt comprising a plurality of flexible conducting fingers 7, in this case three in number, housed in the pin-carrying case 2 and interconnected by a common conductive strip 8 extending transversely to the pins 3 and integral with a portion of the inner wall of the housing 2 defining the receiving opening of the housing 1.
  • Each flexible finger 7 has a convex front portion 7a starting from the conductive strip 8 and ends with a convex free end 7b elastically held in contact on a corresponding pin 3 when the pin housing 2 is separated from the housing 1 as shown in FIGS. Figures 3 and 4 .
  • the figure 3 shows that the front portion 7a of the finger 7 associated with the privileged pin 3 is more strongly convex than the parts prior to the other fingers so as to form a prominent portion that can come into direct contact with the corresponding socket member 4 before the pins 3 are in contact with their respective socket members during the plugging operation of the two housings 1, 2.
  • the housing 1 comprises a front part in the shape of a spout made at the end of the upper wall 1b integral with the housing 1 and delimiting with the lower wall 1c integral with this housing the specific housing of the corresponding socket element 4.
  • This front part 1a makes it possible simultaneously to raise the flexible fingers 7, except the one associated with the privileged pin 3, to disengage them from their respective pins 3 when the finger 7 of the privileged pin 3 is in contact with the corresponding socket element 4.
  • the upper wall secured to the housing 1 delimiting the housing of the sleeve member 4 associated with the preferred pin 3 does not have an upper end portion as shown in FIG. figure 3 or, alternatively, this upper front portion is of extremely small size, so that the finger 7 associated with the preferred pin 3 maintain the electrical contact between this pin and the corresponding socket member over a predetermined distance of depression. housing 1 in the housing 2.
  • the upper walls 1b delimiting the housings of the socket elements 4 each comprise a lug 1d penetrating into an opening 4a of the corresponding socket member 4 so as to retain the latter in its housing.
  • the bottom wall 1c of each housing of a bushing member 4 has a nose-shaped front portion which, together with the beak-shaped front part, also allows the sleeve element 4 to be held in position. his dwelling.
  • one 2 of the housings comprises a slide part 9 integrated in the housing 2 and in which a slider piece 10 integral with the housing can slide.
  • the two casings 1, 2 of the connector are connected by inserting the casing 1 into the casing 2, the relative movements of which are precisely guided by the slider piece 10 and the slider piece 9.
  • the two casings 1 are brought together, 2 first results in the establishment of a first electrical contact between the prominent shape 7a of the finger 7 of the preferred pin 3 and the corresponding socket element 4, this primary electrical connection thus immediately ensuring the flow of static electricity charges.
  • the front portion associated with each sleeve member 4 causes the lifting of the corresponding flexible finger 7 so as to disengage its free end 7b of the corresponding pin 3 and thus interrupt the electrical connection with this pin.
  • the Figures 5 and 6 represent the housing 1 in the fully depressed position in the housing 2 with the pins 3 engaged respectively in the socket elements 4 so as to make quality electrical connections.
  • the figure 5 shows the state occupied by the finger 7 associated with the privileged pin 4 while the figure 6 shows the state occupied by the other two fingers 7 of the other two pins 3.
  • the disconnection operation of the electrical connector takes place in the opposite direction of the aforementioned operation of connection thereof and the preferred phase is actually disconnected last.
  • the electrical connector of the invention thus allows, at the time of its connection, a temporary connection to the phase to be connected first, and then, on all phases, the usual connections, thus ensuring effective protection of personnel performing the connection of the connector.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (7)

  1. Elektrischer Steckverbinder, der zwei Gehäuse (1, 2) aufweist, die derart ineinander gesteckt werden können, dass sich die Stifte (3) der jeweiligen Phasen des einen (2) der Gehäuse in elektrischem Kontakt jeweils in die Hülsen (4) bildenden Elemente des anderen Gehäuses (1) einfügen, dadurch gekennzeichnet, dass er Mittel (7) zum vorweggenommenen elektrischen Verbinden eines vorrangigen der Kontakte (3), insbesondere des Massekontakts, mit dem entsprechenden eine Hülse (4) bildenden Element während des Ansteckvorgangs der zwei Gehäuse (1, 2) aufweist, dass die Mittel zum Herstellen der vorweggenommenen Verbindung (7) zu einem Nebenwiderstand in elektrischem Kontakt mit den Stiften (3) gehören, wenn die zwei Gehäuse (1, 2) voneinander getrennt werden, und dass die Mittel zum Herstellen der vorweggenommenen Verbindung (7) eingerichtet sind, um mit den Hülsen (4) bildenden Elementen zusammenzuwirken, um eine vorläufige elektrische Verbindung des vorrangigen Stifts (3) mit dem entsprechenden eine Hülse (4) bildenden Element zu Beginn des Einfügens ineinander der zwei Gehäuse (1, 2) sicherzustellen, ihren elektrischen Kontakt mit den anderen Stiften (3) beim weiteren Hineindrücken ineinander der zwei Gehäuse zu unterbrechen und die vorläufige elektrische Verbindung zu unterbrechen, wenn alle Stifte (3) mit ihren jeweiligen Hülsen (4) formenden Elementen in komplett ineinander gedrückter Position der zwei Gehäuse (1, 2) in elektrischem Kontakt sind.
  2. Elektrischer Steckverbinder nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel zum vorweggenommenen Herstellen der Verbindung mehrere biegsame leitende Finger (7) aufweisen, die untereinander verbunden und in dem Stiftträgergehäuse (2) derart untergebracht sind, dass die freien Enden (7b) der biegsamen Finger (7) jeweils mit den Stiften (3) in Kontakt sind, wenn das Stiftträgergehäuse (2) von dem anderen Gehäuse (1) getrennt ist, und dass der biegsame Finger (7), der zu dem vorrangigen Stift (3) gehört, in seinem vorderen Teil, seinem freien Ende (7b) entgegengesetzt eine vorstehende Form (7a) aufweist, die direkt mit dem entsprechenden, eine Hülse (4) bildenden Element in Kontakt kommen kann, bevor die Stifte (3) mit ihren jeweiligen Hülsen (4) bildenden Elementen in Kontakt sind.
  3. Elektrischer Steckverbinder nach Anspruch 2, dadurch gekennzeichnet, dass das Gehäuse (1), das die Hülsen (4) bildenden Elemente aufweist, einen vorderen Teil (1a), vorzugsweise in Schnabelform aufweist, der es erlaubt, gleichzeitig die biegsamen Finger (7) mit Ausnahme dessen, der zu dem vorrangigen Stift (3) gehört, anzuheben, um sie von ihren jeweiligen Stiften (3) freizugeben, wenn der Finger (7) des vorrangigen Stifts (3) mit dem entsprechenden, eine Hülse (4) bildenden Element in Kontakt ist.
  4. Elektrischer Steckverbinder nach Anspruch 3, dadurch gekennzeichnet, dass das Gehäuse (1), das Hülsen (4) bildende Elemente aufweist, eingerichtet ist, um die vorstehende Form (7a) des entsprechenden, eine Hülse (4) bildenden Elements freizugeben und die vorläufige elektrische Verbindung zwischen dem vorrangigen Stift (3) und dem eine Hülse (4) bildenden Element zu unterbrechen, wenn die zwei Gehäuse (1, 2) in einer Position sind, in der die Stifte (3) mit ihren entsprechenden, Hülsen (4) bildenden Elementen in elektrischen Kontakt kommen.
  5. Elektrischer Steckverbinder nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zwei Gehäuse (1, 2) Mittel (9, 10) zum gegenseitigen Führen bei ihrem Anstecken aufweisen.
  6. Elektrischer Steckverbinder nach Anspruch 5, dadurch gekennzeichnet, dass die oben genannten Führungsmittel einen Teil (9) aufweisen, der eine Gleitschiene bildet, die in eines (2) der Gehäuse eingebaut ist, und einen Teil, der einen Stößel (10) bildet, der fest mit dem anderen Gehäuse (1) verbunden ist.
  7. Elektrischer Steckverbinder nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er auf pyrotechnische Zündvorrichtungen zum Auslösen von Airbags zum Schutz der Insassen eines Kraftfahrzeugs angewandt wird.
EP99400593A 1998-04-07 1999-03-11 Elektrischer Steckverbinder für ein Fahrer- oder Beifahrerairbagsystem in Kraftfahrzeugen Expired - Lifetime EP0949719B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9804315 1998-04-07
FR9804315A FR2777121B1 (fr) 1998-04-07 1998-04-07 Connecteur electrique notamment pour le declenchement d'un sac gonflable de protection d'un conducteur ou d'un passager de vehicule automobile

Publications (2)

Publication Number Publication Date
EP0949719A1 EP0949719A1 (de) 1999-10-13
EP0949719B1 true EP0949719B1 (de) 2008-08-20

Family

ID=9524952

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99400593A Expired - Lifetime EP0949719B1 (de) 1998-04-07 1999-03-11 Elektrischer Steckverbinder für ein Fahrer- oder Beifahrerairbagsystem in Kraftfahrzeugen

Country Status (3)

Country Link
EP (1) EP0949719B1 (de)
DE (1) DE69939351D1 (de)
FR (1) FR2777121B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1320512B1 (it) 2000-06-20 2003-12-10 Framatome Connectors Italia Connettore elettrico.
FR2947675B1 (fr) * 2009-07-06 2016-02-05 Tyco Electronics France Sas Connecteur electrique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2903896A1 (de) * 1978-02-03 1979-08-23 Amp Inc Zweiteiliger elektrischer verbinder
JP3461631B2 (ja) * 1995-08-25 2003-10-27 住友電気工業株式会社 コネクタ
JP3166588B2 (ja) * 1995-10-31 2001-05-14 住友電装株式会社 雌端子金具の短絡構造

Also Published As

Publication number Publication date
EP0949719A1 (de) 1999-10-13
FR2777121B1 (fr) 2000-06-30
DE69939351D1 (de) 2008-10-02
FR2777121A1 (fr) 1999-10-08

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