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EP3069413A1 - Electric connector with shield contact - Google Patents

Electric connector with shield contact

Info

Publication number
EP3069413A1
EP3069413A1 EP14809600.1A EP14809600A EP3069413A1 EP 3069413 A1 EP3069413 A1 EP 3069413A1 EP 14809600 A EP14809600 A EP 14809600A EP 3069413 A1 EP3069413 A1 EP 3069413A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
connector
shielding
retaining ring
wall
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
EP14809600.1A
Other languages
German (de)
French (fr)
Other versions
EP3069413B1 (en
Inventor
Jean Fabre
Frédéric BELLIARD
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.)
Aptiv Technologies Ltd
Original Assignee
Delphi International Operations Luxembourg SARL
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 Delphi International Operations Luxembourg SARL filed Critical Delphi International Operations Luxembourg SARL
Publication of EP3069413A1 publication Critical patent/EP3069413A1/en
Application granted granted Critical
Publication of EP3069413B1 publication Critical patent/EP3069413B1/en
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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6596—Specific features or arrangements of connection of shield to conductive members the conductive member being a metal grounding panel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0527—Connection to outer conductor by action of a resilient member, e.g. spring
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • 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
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H01R13/748—Means for mounting coupling parts in openings of a panel using one or more screws

Definitions

  • the invention relates to the field of electrical connectors, for example electrical power connectors and, in particular, electric power connectors for electric or hybrid motor vehicles.
  • Power electrical connectors are used in electric or hybrid motor vehicles for example to interconnect a battery pack to an electric motor, a power converter, etc.
  • the electrical currents transmitted by the cables and connectors of the electrical power circuits are relatively high and can reach 600 amperes, or 1500 amperes in current peaks. Electrical power routed through electrical cables and connectors is therefore likely to generate electromagnetic disturbances. It is therefore important to be able to minimize these electromagnetic disturbances. To this end, a shield is used at the cables as well as at the connectors.
  • An object of the invention is to provide a simple and economical shield to manufacture and mount in a connector.
  • a shielding retaining ring designed for a set of connectors comprising a connector, a counter-connector and a shielding wall.
  • the connector is intended to be mounted on the shielding wall.
  • the shielding wall corresponds for example to an electrically conductive wall of a housing inside which the counter-connector is mounted.
  • the connector comprises a sleeve of electrically insulating material. At least one first contact is housed in this sleeve. It is attached, for example by crimping or welding, to the end of a cable. This cable is also provided with a shielding sheath formed for example of a flexible conductive braid.
  • the counter-connector comprises at least one second contact intended to be connected to the first contact.
  • the shielding retaining ring then comprises an internal portion, located inside the sleeve and electrically in connection with the shielding sheath of the cable, and an outer portion located outside the sleeve, integral with the inner portion. , and electrically in connection with the shielding wall.
  • the shielding retaining ring consists of a single element which ensures the electrical continuity, and therefore the continuity of shielding, between the shielding sheath of the cable and the case.
  • At least one of the inner and outer portions of the shielding retaining ring may comprise at least one resilient tongue to optimize electrical conduction on the cable shielding sheath and / or on the shielding wall.
  • waterproofness is required.
  • the connector may then comprise a support of electrically insulating material extending radially around and outside the sleeve, for example substantially perpendicular to the longitudinal axis of the sleeve.
  • This support is attached to the shielding wall and thus makes it possible to fix the connector on the housing in which the counter-connector is mounted.
  • An interfacial seal is disposed between the support and the shield wall, around the sleeve and the outer portion of the shielding retaining ring.
  • a wire seal is also disposed around the cable, inside the sleeve and on the other side of the first contact with respect to the inner portion of the shielding retaining ring. In this way the seal between the connector and the housing is ensured, while maintaining the shielding retaining ring in a sealed area.
  • FIG 1 is a diagrammatic perspective view of an exemplary embodiment of a set of connectors according to the invention.
  • FIG. 2 diagrammatically shows in perspective and in longitudinal section the set of connectors of FIG. 1, without its protective cover;
  • FIG. 3 diagrammatically shows in perspective and in longitudinal section a set of connectors according to the invention and a cable intended to be inserted into it;
  • Figure 4 shows schematically in perspective and in longitudinal section the connector assembly of Figures 1 and 2, with its protective cover.
  • FIG. 1 An example of a set of connectors is shown in FIG. 1.
  • This example corresponds to a connector 100 mounted on the shielding wall 200.
  • This shielding wall 200 corresponds to a wall of a power device such as a power converter or electric motor.
  • a counter connector 300 here in the form of a bus bar partially shown, is mounted in the power device. It comprises one or more contacts 310, in the case presented here, male contacts.
  • the connector 100 comprises a support 110 in the form of a plate extending substantially perpendicular to the longitudinal axis of a plurality of sleeves 120 (here three in number) and radial around and outside of them.
  • the support 110 and the sleeves 120 constitute a single piece molded in electrically insulating plastic material.
  • the support 110 has holes 112 (here for example four) through for the passage of screws 114 ensuring the attachment of the connector 100 on the shield wall 200 (see Figure 3). These holes 112 are reinforced by cylindrical metal inserts.
  • Each sleeve 120 has an inner surface 124 and an outer surface 125 (see FIG. 2). It also comprises a portion intended to be introduced into the power device on which the connector 100 is mounted, through the shielding wall 200, as well as a portion intended to remain outside this device.
  • Each sleeve 120 receives an electrical contact 122. In the example chosen and shown in FIG. 3, this electrical contact 122 is a female contact. It is crimped at the stripped end of the core 402 of a cable 400 which furthermore comprises an internal sheath 404 isolating the core 402 from a shielding sheath 406 and an insulating outer sheath 408 encapsulating itself. the shielding sheath 406.
  • the cable 400 is for example a shielded cable of 16 mm 2 section.
  • the shielding sheath 406 is itself stripped on a portion to be slipped and crimped between an outer ferrule 410 and an inner ferrule 411, in order to press the shielding sheath 406 between two rigid elements and thus to ensure electrical conduction and therefore also an optimal continuity of shielding.
  • the shielding sheath 406 Upstream of the crimping zone on the bare core 402, the shielding sheath 406 itself is stripped on a portion which receives an electrically conductive ferrule 410.
  • the cable 400 receives a unitary elastic gasket 412 of elastomer comprising, on the one hand, an inner surface 414 sealing the outer sheath 408 insulating the cable 400 and, on the other hand, an outer surface 416 provided with lips intended to abut and in contact with a section of the sleeve 120 and thus sealing with the inner surface of the sleeve 120 (see FIG. 2).
  • a retaining ring 500 inserted on the cable 400, is inserted and clipped. in the opening of a sleeve 120 for the insertion of the cable 400, in order to retain the unitary wire seal 412 in this sleeve 120.
  • Each sleeve 120 also receives a shielding retaining ring 600 of electrically conductive material (see FIG. 4).
  • Each shielding retaining ring 600 consists of a section of metal ribbon wound around a longitudinal axis parallel to that of the sleeve 120 in which it is mounted. This is a single piece having an inner portion 602 and an outer portion 604 integral with the inner portion 602. The cutting of a section of a ribbon from a metal sheet and shaping by winding this section are therefore particularly easy and inexpensive compared in particular to stamping processes or deep forming.
  • the inner portion 602 of the shielding retaining ring 600 is located inside the sleeve 120, in the part of the latter intended to remain outside the device on which the connector 100 is mounted.
  • the shielding retaining ring 602 is supported on a section of the inner surface 124 of the sleeve 120, distinct from the section of the inner surface 124 of the sleeve 120 in contact with the unitary wire seal 412.
  • the shielding resistor 600 is electrically connected to the shielding sheath 406 via internal resilient tongues 606 extending inwardly of the wound metal ribbon section and resting themselves on the ferrule 410 to provide a electrical contact with it.
  • the outer portion 604 of the shielding retaining ring 600 is located outside of the sleeve 120 and is electrically connected, via external resilient tongues 608, to the shield wall 200.
  • the internal resilient tongues 606 are oriented in order to facilitate the insertion of the contact 122 and the ferrule 410 through the shielding retaining ring 600. For example, they extend between a fixed end located on the side of the opening of the sleeve 120 intended for the insertion of the cable 400 and a free end located on the side of the sleeve 120 facing the counter-connector 300.
  • the outer elastic tongues 608 are oriented to facilitate the insertion of the connector 100 which is provided through an opening in the wall For example, they extend between a fixed end located on the side of the sleeve 120 facing the counter-connector 300, towards a free end oriented e on the side of the opening of the sleeve 120 for the insertion of the cable 400.
  • the outer portion 604 of the shielding retaining ring 600 extends from one edge of the wound metal tape section and passes through one or more openings 126 in the wall 128 of the sleeve 120.
  • An interfacial seal 116 is disposed in a groove of the support 110, protruding outside thereof, between the support 110 and the shield wall 200, around one or more sleeves (s) and the outer portion 604. This interfacial seal 116 thus ensures that the seal 100 between the connector 100 and the shielding wall 200 is closed.
  • Such an interfacial seal 116 may, for example, guarantee a seal under an overpressure of a bar when salt spray tests for 1600 hours.
  • the ring 600 is located in a sealed zone between the wired unitary seal 412 and the interfacial seal 116.
  • a cover 700 is clipped onto the support 110 to guide the cables 400 to the output of the connector 100 and to avoid direct exposure of the wired unitary joints 412 to liquid projections.
  • a connector 100 which can be mounted at the end of cables 400 so as to be supplied, ready for assembly, to a customer.
  • the shielding wall 200 corresponds to a wall of a device incorporating the counter-connector 300, but the shielding wall 200, in a variant, could be a wall of the counter-connector 300. or even more directly a shield of this counter-connector 300 in the form of sheet or braid. In this case, it is not possible to provide a shielding wall 200 between the connector 100 and the counter-connector 300.
  • the connector 100 may be used as a wire-pass, the cable passing through the shielding wall 200 on which the retaining ring the shield 100 600 comes into electrical contact, but the connector 100, used as pass f ⁇ l, does not necessarily include contact 122, the end of the cable 400, which can be directly crimped or welded to a bus bar or other device.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

The invention relates to an electric connector (100) with a shield contact. This connector (100) comprises a sleeve (120) with - a cavity designed to receive the end of at least one cable (400) provided with a first contact (122) and a shielding ferule (410), and - an outer surface (125). This connector also comprises a metal shield contact ring (600) having - at least one inner elastic tongue (606) extending toward the inside of the cavity to establish an electric contact with the ferule (410), and - at least one outer elastic tongue (608) extending toward the outside of the outer surface (125) to establish an electric contact with the shield of a counter-connector (300) or a housing incorporating a counter-connector (300) having a second contact (310) connected to the first contact (122), when the connector (100) and the counter-connector (300) are coupled.

Description

Connecteur électrique à reprise de blindage  Electrical connector with shielding recovery
L'invention concerne le domaine des connecteurs électriques, par exemple des connecteurs électriques de puissance et, notamment, des connecteurs électriques de puissance pour véhicules automobiles électriques ou hybrides. The invention relates to the field of electrical connectors, for example electrical power connectors and, in particular, electric power connectors for electric or hybrid motor vehicles.
Les connecteurs électriques de puissance sont utilisés dans les véhicules automobiles électriques ou hybrides par exemple pour interconnecter un ensemble de batteries à un moteur électrique, à un convertisseur de puissance, etc.  Power electrical connectors are used in electric or hybrid motor vehicles for example to interconnect a battery pack to an electric motor, a power converter, etc.
Dans les véhicules hybrides et électriques, les courants électriques transmis par les câbles et les connecteurs des circuits électriques de puissance sont relativement élevés et peuvent atteindre 600 Ampères, voire 1500 Ampères en pics de courant. La puissance électrique acheminée à travers des câbles électriques et des connecteurs est donc susceptible de générer des perturbations électromagnétiques. Aussi est-il important de pouvoir limiter au maximum ces perturbations électromagnétiques. A cette fin, on utilise un blindage au niveau des câbles, ainsi qu'au niveau des connecteurs.  In hybrid and electric vehicles, the electrical currents transmitted by the cables and connectors of the electrical power circuits are relatively high and can reach 600 amperes, or 1500 amperes in current peaks. Electrical power routed through electrical cables and connectors is therefore likely to generate electromagnetic disturbances. It is therefore important to be able to minimize these electromagnetic disturbances. To this end, a shield is used at the cables as well as at the connectors.
Un but de l'invention est de fournir un blindage simple et économique à fabriquer et à monter dans un connecteur.  An object of the invention is to provide a simple and economical shield to manufacture and mount in a connector.
Ce but est au moins en partie atteint grâce à une bague de reprise de blindage conçue pour un ensemble de connecteurs comprenant un connecteur, un contre- connecteur et une paroi de blindage. Le connecteur est destiné à être monté sur la paroi de blindage. La paroi de blindage correspond par exemple à une paroi électriquement conductrice d'un boîtier à l'intérieur duquel est monté le contre-connecteur. Le connecteur comporte un manchon en matière électriquement isolante. Au moins un premier contact est logé dans ce manchon. Il est attaché, par exemple par sertissage ou soudure, à l'extrémité d'un câble. Ce câble est par ailleurs muni d'une gaine de blindage formée par exemple d'une tresse conductrice souple. Le contre-connecteur comporte au moins un deuxième contact destiné à être connecté au premier contact. La bague de reprise de blindage comporte alors une portion interne, située à l'intérieur du manchon et électriquement en liaison avec la gaine de blindage du câble, et une portion externe située à l'extérieur du manchon, venue de matière avec la portion interne, et électriquement en liaison avec la paroi de blindage.  This goal is at least partly achieved through a shielding retaining ring designed for a set of connectors comprising a connector, a counter-connector and a shielding wall. The connector is intended to be mounted on the shielding wall. The shielding wall corresponds for example to an electrically conductive wall of a housing inside which the counter-connector is mounted. The connector comprises a sleeve of electrically insulating material. At least one first contact is housed in this sleeve. It is attached, for example by crimping or welding, to the end of a cable. This cable is also provided with a shielding sheath formed for example of a flexible conductive braid. The counter-connector comprises at least one second contact intended to be connected to the first contact. The shielding retaining ring then comprises an internal portion, located inside the sleeve and electrically in connection with the shielding sheath of the cable, and an outer portion located outside the sleeve, integral with the inner portion. , and electrically in connection with the shielding wall.
Ainsi, la bague de reprise de blindage est constituée d'un élément unique qui assure la continuité électrique, et donc la continuité de blindage, entre la gaine de blindage du câble et le boîtier. En limitant le nombre d'éléments assurant cette continuité de blindage à un seul, on augmente l'efficacité du blindage et on simplifie la fabrication et le montage du dispositif assurant cette fonction, qui devient en conséquence plus économique. Thus, the shielding retaining ring consists of a single element which ensures the electrical continuity, and therefore the continuity of shielding, between the shielding sheath of the cable and the case. By limiting the number of elements ensuring this continuity of shielding to one, the efficiency of the shielding is increased and the manufacture and assembly of the device ensuring this function is simplified, which consequently becomes more economical.
Au moins l'une des portions interne et externe de la bague de reprise de blindage peut comprendre au moins une languette élastique afin d'optimiser la conduction électrique sur la gaine de blindage du câble et/ou sur la paroi de blindage.  At least one of the inner and outer portions of the shielding retaining ring may comprise at least one resilient tongue to optimize electrical conduction on the cable shielding sheath and / or on the shielding wall.
Par ailleurs, dans certains environnements et notamment hors de l'habitacle des véhicules, une étanchéité à l'eau est requise.  Moreover, in certain environments and especially outside the passenger compartment of the vehicles, waterproofness is required.
Le connecteur peut alors comporter un support en matière électriquement isolante s 'étendant radialement autour et à l'extérieur du manchon, par exemple substantiellement perpendiculairement à l'axe longitudinal du manchon. Ce support est attaché à la paroi de blindage et permet ainsi de fixer le connecteur sur le boîtier dans lequel est monté le contre-connecteur. Un joint interfacial est disposé entre le support et la paroi de blindage, autour du manchon et de la portion externe de la bague de reprise de blindage. Un joint fïlaire est aussi disposé autour du câble, à l'intérieur du manchon et de l'autre côté du premier contact par rapport à la portion interne de la bague de reprise de blindage. De cette manière l'étanchéité entre le connecteur et le boîtier est assurée, tout en maintenant la bague de reprise de blindage dans une zone étanche.  The connector may then comprise a support of electrically insulating material extending radially around and outside the sleeve, for example substantially perpendicular to the longitudinal axis of the sleeve. This support is attached to the shielding wall and thus makes it possible to fix the connector on the housing in which the counter-connector is mounted. An interfacial seal is disposed between the support and the shield wall, around the sleeve and the outer portion of the shielding retaining ring. A wire seal is also disposed around the cable, inside the sleeve and on the other side of the first contact with respect to the inner portion of the shielding retaining ring. In this way the seal between the connector and the housing is ensured, while maintaining the shielding retaining ring in a sealed area.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit ainsi que sur les dessins annexés. Sur ces dessins :  Other features and advantages of the invention will appear on reading the following detailed description and on the accompanying drawings. On these drawings:
-la figure 1 représente schématiquement en perspective un exemple de mode de réalisation d'un ensemble de connecteurs conforme à l'invention ;  FIG 1 is a diagrammatic perspective view of an exemplary embodiment of a set of connectors according to the invention;
-la figure 2 représente schématiquement en perspective et en coupe longitudinale l'ensemble de connecteurs de la figure 1, sans son capot de protection ;  FIG. 2 diagrammatically shows in perspective and in longitudinal section the set of connectors of FIG. 1, without its protective cover;
-la figure 3 représente schématiquement en perspective et en coupe longitudinale un ensemble de connecteurs conforme à l'invention et un câble destiné à être inséré dans celui-ci ; et  FIG. 3 diagrammatically shows in perspective and in longitudinal section a set of connectors according to the invention and a cable intended to be inserted into it; and
- la figure 4 représente schématiquement en perspective et en coupe longitudinale l'ensemble de connecteurs des figures 1 et 2, avec son capot de protection.  - Figure 4 shows schematically in perspective and in longitudinal section the connector assembly of Figures 1 and 2, with its protective cover.
Un exemple d'ensemble de connecteurs est représenté sur la figure 1. Cet exemple correspond à un connecteur 100 monté sur la paroi de blindage 200. Cette paroi de blindage 200 correspond à une paroi d'un dispositif de puissance tel qu'un convertisseur de puissance ou un moteur électrique. Un contre-connecteur 300, ici sous forme d'un bus-bar partiellement représenté, est monté dans le dispositif de puissance. Il comporte un ou plusieurs contacts 310, dans le cas présenté ici, des contacts mâles. An example of a set of connectors is shown in FIG. 1. This example corresponds to a connector 100 mounted on the shielding wall 200. This shielding wall 200 corresponds to a wall of a power device such as a power converter or electric motor. A counter connector 300, here in the form of a bus bar partially shown, is mounted in the power device. It comprises one or more contacts 310, in the case presented here, male contacts.
Comme représenté de manière plus détaillée sur la figure 2, le connecteur 100 comporte un support 110 sous forme d'une plaque s'étendant substantiellement perpendiculairement à l'axe longitudinal d'une pluralité de manchons 120 (ici au nombre de trois) et radial ement autour et à l'extérieur de ceux-ci. Le support 110 et les manchons 120 constituent une pièce unique moulée en matière plastique électriquement isolante. Le support 110 présente des trous 112 (ici quatre par exemple) traversant pour le passage de vis 114 assurant la fixation du connecteur 100 sur la paroi de blindage 200 (voir figure 3). Ces trous 112 sont renforcés par des inserts cylindriques métalliques.  As shown in more detail in FIG. 2, the connector 100 comprises a support 110 in the form of a plate extending substantially perpendicular to the longitudinal axis of a plurality of sleeves 120 (here three in number) and radial around and outside of them. The support 110 and the sleeves 120 constitute a single piece molded in electrically insulating plastic material. The support 110 has holes 112 (here for example four) through for the passage of screws 114 ensuring the attachment of the connector 100 on the shield wall 200 (see Figure 3). These holes 112 are reinforced by cylindrical metal inserts.
Chaque manchon 120 comporte une surface interne 124 et une surface externe 125 (voir figure 2). Il comporte également une portion destinée à être introduite dans le dispositif de puissance sur lequel est monté le connecteur 100, à travers la paroi de blindage 200, ainsi qu'une portion destinée à rester à l'extérieur de ce dispositif. Chaque manchon 120 reçoit un contact 122 électrique. Dans l'exemple choisi et représenté sur la figure 3, ce contact 122 électrique est un contact femelle. Celui-ci est serti à l'extrémité dénudée de l'âme 402 d'un câble 400 qui comporte par ailleurs une gaine interne 404 isolant l'âme 402 d'une gaine de blindage 406 et une gaine externe 408 isolante enrobant elle-même la gaine de blindage 406. Le câble 400 est par exemple un câble blindé de 16 mm2 de section. La gaine de blindage 406 est elle-même dénudée sur une portion pour être glissée et sertie entre une férule externe 410 et une férule interne 411, afin de presser la gaine de blindage 406 entre deux éléments rigides et d'assurer ainsi une conduction électrique et donc aussi une continuité de blindage optimales. En amont de la zone de sertissage sur l'âme 402 dénudée, la gaine de blindage 406 est elle-même dénudée sur une portion qui reçoit une férule 410 électriquement conductrice. Encore en amont de la férule 410, le câble 400 reçoit un joint unitaire fïlaire 412 en élastomère comportant, d'une part, une surface interne 414 assurant l'étanchéité avec la gaine externe 408 isolante du câble 400 et, d'autre part, une surface externe 416 munie de lèvres destinées à venir en appui et en contact d'une section du manchon 120 et assurant ainsi l'étanchéité avec la surface interne du manchon 120 (voir figure 2). Encore en amont du joint unitaire fïlaire 412, une bague de maintien 500, insérée sur le câble 400, est introduite et clipsée dans l'ouverture d'un manchon 120 destinée à l'insertion du câble 400, afin de retenir le joint unitaire filaire 412 dans ce manchon 120. Each sleeve 120 has an inner surface 124 and an outer surface 125 (see FIG. 2). It also comprises a portion intended to be introduced into the power device on which the connector 100 is mounted, through the shielding wall 200, as well as a portion intended to remain outside this device. Each sleeve 120 receives an electrical contact 122. In the example chosen and shown in FIG. 3, this electrical contact 122 is a female contact. It is crimped at the stripped end of the core 402 of a cable 400 which furthermore comprises an internal sheath 404 isolating the core 402 from a shielding sheath 406 and an insulating outer sheath 408 encapsulating itself. the shielding sheath 406. The cable 400 is for example a shielded cable of 16 mm 2 section. The shielding sheath 406 is itself stripped on a portion to be slipped and crimped between an outer ferrule 410 and an inner ferrule 411, in order to press the shielding sheath 406 between two rigid elements and thus to ensure electrical conduction and therefore also an optimal continuity of shielding. Upstream of the crimping zone on the bare core 402, the shielding sheath 406 itself is stripped on a portion which receives an electrically conductive ferrule 410. Further upstream of the ferrule 410, the cable 400 receives a unitary elastic gasket 412 of elastomer comprising, on the one hand, an inner surface 414 sealing the outer sheath 408 insulating the cable 400 and, on the other hand, an outer surface 416 provided with lips intended to abut and in contact with a section of the sleeve 120 and thus sealing with the inner surface of the sleeve 120 (see FIG. 2). Still upstream of the unitary fluid seal 412, a retaining ring 500, inserted on the cable 400, is inserted and clipped. in the opening of a sleeve 120 for the insertion of the cable 400, in order to retain the unitary wire seal 412 in this sleeve 120.
Chaque manchon 120 reçoit également une bague de reprise de blindage 600 en matière électriquement conductrice (voir figure 4). Chaque bague de reprise de blindage 600 est constituée d'une section de ruban métallique enroulée autour d'un axe longitudinal parallèle à celui du manchon 120 dans lequel elle est montée. Il s'agit d'une pièce unique comportant une portion interne 602 et une portion externe 604 venue de matière avec la portion interne 602. La découpe d'une section d'un ruban à partir d'une tôle métallique et la mise en forme par enroulement de cette section sont donc particulièrement aisées et peu coûteuses comparées notamment à des procédés d'emboutissage ou de formage profond.  Each sleeve 120 also receives a shielding retaining ring 600 of electrically conductive material (see FIG. 4). Each shielding retaining ring 600 consists of a section of metal ribbon wound around a longitudinal axis parallel to that of the sleeve 120 in which it is mounted. This is a single piece having an inner portion 602 and an outer portion 604 integral with the inner portion 602. The cutting of a section of a ribbon from a metal sheet and shaping by winding this section are therefore particularly easy and inexpensive compared in particular to stamping processes or deep forming.
La portion interne 602 de la bague de reprise de blindage 600 est située à l'intérieur du manchon 120, dans la partie de celui-ci destinée à rester à l'extérieur du dispositif sur lequel est monté le connecteur 100. La portion interne de la bague de reprise de blindage 602 est en appui sur une section de la surface interne 124 du manchon 120, distincte de la section de la surface interne 124 du manchon 120 en contact avec le joint unitaire filaire 412. La portion interne 602 de la bague de reprise de blindage 600 est électriquement connectée à la gaine de blindage 406, par l'intermédiaire de languettes élastiques internes 606 s 'étendant vers l'intérieur de la section de ruban métallique enroulée et reposant elles-mêmes sur la férule 410 pour assurer un contact électrique avec celle-ci. La portion externe 604 de la bague de reprise de blindage 600 est située à l'extérieur du manchon 120 et est électriquement connectée, par l'intermédiaire de languettes élastiques externes 608, à la paroi de blindage 200. Les languettes élastiques internes 606 sont orientées de manière à faciliter l'insertion du contact 122 et de la férule 410 à travers la bague de reprise de blindage 600. Par exemple, elles s'étendent entre une extrémité fixe située du côté de l'ouverture du manchon 120 destinée à l'insertion du câble 400 et une extrémité libre située du côté du manchon 120 orienté vers le contre- connecteur 300. Les languettes élastiques externes 608 sont orientées de manière à faciliter l'insertion du connecteur 100 qui en est muni à travers une ouverture dans la paroi de blindage 200. Par exemple, elles s'étendent entre une extrémité fixe située du côté du manchon 120 orienté vers le contre-connecteur 300, vers une extrémité libre orientée du côté de l'ouverture du manchon 120 destinée à l'insertion du câble 400. La portion externe 604 de la bague de reprise de blindage 600 s'étend à partir d'un bord de la section de ruban métallique enroulée et passe à travers une ou plusieurs ouvertures 126 ménagées dans la paroi 128 du manchon 120. The inner portion 602 of the shielding retaining ring 600 is located inside the sleeve 120, in the part of the latter intended to remain outside the device on which the connector 100 is mounted. the shielding retaining ring 602 is supported on a section of the inner surface 124 of the sleeve 120, distinct from the section of the inner surface 124 of the sleeve 120 in contact with the unitary wire seal 412. The inner portion 602 of the ring The shielding resistor 600 is electrically connected to the shielding sheath 406 via internal resilient tongues 606 extending inwardly of the wound metal ribbon section and resting themselves on the ferrule 410 to provide a electrical contact with it. The outer portion 604 of the shielding retaining ring 600 is located outside of the sleeve 120 and is electrically connected, via external resilient tongues 608, to the shield wall 200. The internal resilient tongues 606 are oriented in order to facilitate the insertion of the contact 122 and the ferrule 410 through the shielding retaining ring 600. For example, they extend between a fixed end located on the side of the opening of the sleeve 120 intended for the insertion of the cable 400 and a free end located on the side of the sleeve 120 facing the counter-connector 300. The outer elastic tongues 608 are oriented to facilitate the insertion of the connector 100 which is provided through an opening in the wall For example, they extend between a fixed end located on the side of the sleeve 120 facing the counter-connector 300, towards a free end oriented e on the side of the opening of the sleeve 120 for the insertion of the cable 400. The outer portion 604 of the shielding retaining ring 600 extends from one edge of the wound metal tape section and passes through one or more openings 126 in the wall 128 of the sleeve 120.
Un joint interfacial 116 est disposé dans une gorge du support 110, saillant à l'extérieur de celle-ci, entre le support 110 et la paroi de blindage 200, autour d'un ou plusieurs manchon(s) et de la portion externe 604 de la bague de reprise de blindage 600. Ce joint interfacial 116 assure donc que F étanchéité entre le connecteur 100 et la paroi de blindage 200. Un tel joint interfacial 116 peut par exemple garantir une étanchéité sous une surpression d'un bar, lors de tests en brouillard salin pendant 1600 heures. Par ailleurs, comme le joint unitaire filaire 412 est disposé autour du câble 400, à l'intérieur du manchon 120 et de l'autre côté du contact 122 par rapport à la portion interne 602 de la bague de reprise de blindage 600, la bague de reprise de blindage 600 se trouve dans une zone étanche située entre le joint unitaire filaire 412 et le joint interfacial 116.  An interfacial seal 116 is disposed in a groove of the support 110, protruding outside thereof, between the support 110 and the shield wall 200, around one or more sleeves (s) and the outer portion 604. This interfacial seal 116 thus ensures that the seal 100 between the connector 100 and the shielding wall 200 is closed. Such an interfacial seal 116 may, for example, guarantee a seal under an overpressure of a bar when salt spray tests for 1600 hours. Moreover, since the wired unitary seal 412 is disposed around the cable 400, inside the sleeve 120 and on the other side of the contact 122 relative to the inner portion 602 of the shielding retaining ring 600, the ring 600 is located in a sealed zone between the wired unitary seal 412 and the interfacial seal 116.
Par ailleurs, un capot 700 est clipsé sur le support 110 afin de guider les câbles 400 à la sortie du connecteur 100 et à éviter une exposition directe des joints unitaires filaires 412 à des projections liquides.  Furthermore, a cover 700 is clipped onto the support 110 to guide the cables 400 to the output of the connector 100 and to avoid direct exposure of the wired unitary joints 412 to liquid projections.
L'ensemble de connecteurs décrits ci-dessus présente de nombreux avantages dont :  The connector assembly described above has many advantages including:
• une connexion directe sur un bus-bar à travers la paroi de blindage 200 sans qu'il soit nécessaire d'avoir accès à l'intérieur du boîtier contenant ce bus-bar, avec en conséquence une maintenance facilitée ;  • a direct connection to a bus-bar through the shield wall 200 without having to access the interior of the housing containing the bus bar, with consequent maintenance facilitated;
une connexion électrique assurée sans serrer les câbles 400 à l'aide de vis ; et  an electrical connection ensured without tightening the cables 400 using screws; and
• un connecteur 100 qui peut être monté à l'extrémité de câbles 400 de manière à être fourni, prêt au montage, à un client.  A connector 100 which can be mounted at the end of cables 400 so as to be supplied, ready for assembly, to a customer.
Dans l'exemple décrit ci-dessus, la paroi de blindage 200 correspond à une paroi d'un dispositif incorporant le contre-connecteur 300, mais la paroi de blindage 200, dans une variante, pourrait être une paroi du contre-connecteur 300 lui-même ou plus directement encore un blindage de ce contre-connecteur 300 sous forme de tôle ou de tresse. Dans ce cas, on peut ne pas prévoir de paroi de blindage 200 entre le connecteur 100 et le contre-connecteur 300.  In the example described above, the shielding wall 200 corresponds to a wall of a device incorporating the counter-connector 300, but the shielding wall 200, in a variant, could be a wall of the counter-connector 300. or even more directly a shield of this counter-connector 300 in the form of sheet or braid. In this case, it is not possible to provide a shielding wall 200 between the connector 100 and the counter-connector 300.
Dans encore une autre variante de l'invention, le connecteur 100 peut être utilisé comme passe fil, le câble traversant la paroi de blindage 200 sur laquelle bague de reprise de blindage 600 vient en contact électrique, mais le connecteur 100, utilisé comme passe fïl, ne comporte pas nécessairement de contact 122, l'extrémité du câble 400, pouvant être directement serti ou soudé sur un bus bar ou un autre dispositif. In yet another variant of the invention, the connector 100 may be used as a wire-pass, the cable passing through the shielding wall 200 on which the retaining ring the shield 100 600 comes into electrical contact, but the connector 100, used as pass fïl, does not necessarily include contact 122, the end of the cable 400, which can be directly crimped or welded to a bus bar or other device.

Claims

Revendications claims
1. Ensemble de connecteurs comprenant un connecteur (100) et un contre- connecteur (300) et une paroi de blindage (200), A connector assembly comprising a connector (100) and a counter connector (300) and a shield wall (200),
le connecteur (100) comportant  the connector (100) comprising
- au moins un premier contact (122) logé dans un manchon (120), en matière électriquement isolante, et attaché à l'extrémité d'un câble (400) muni d'une gaine de blindage (406) et  at least one first contact (122) housed in a sleeve (120) of electrically insulating material and attached to the end of a cable (400) provided with a shielding sheath (406) and
- une bague de reprise de blindage (600) en matière électriquement conductrice,  a shielding retaining ring (600) of electrically conductive material,
et le contre-connecteur (300) comportant au moins un deuxième contact and the counter-connector (300) comprising at least a second contact
(310), (310)
caractérisé par le fait que la bague de reprise de blindage (600) comporte characterized in that the shielding retaining ring (600) comprises
- une portion interne (602), située à l'intérieur du manchon (120) et électriquement en liaison avec la gaine de blindage (406), et an inner portion (602), located inside the sleeve (120) and electrically in connection with the shielding sheath (406), and
- une portion externe (604) située à l'extérieur du manchon (120), venue de matière avec la portion interne (602) et électriquement en liaison avec la paroi de blindage (200).  - An outer portion (604) located outside the sleeve (120), integral with the inner portion (602) and electrically in connection with the shield wall (200).
2. Ensemble de connecteurs selon la revendication 1, dans lequel le connecteur (100) comporte un support (110) en matière électriquement isolante s'étendant radialement autour et à l'extérieur du manchon (120) et attaché à la paroi de blindage (200), et dans lequel un joint interfacial (116) est disposé entre le support (110) et la paroi de blindage (200), autour du manchon (120) et de la portion externe (604). The connector assembly of claim 1, wherein the connector (100) has a carrier (110) of electrically insulating material extending radially around and out of the sleeve (120) and attached to the shield wall ( 200), and wherein an interfacial seal (116) is disposed between the support (110) and the shield wall (200), around the sleeve (120) and the outer portion (604).
3. Ensemble de connecteurs selon la revendication 1 ou 2, dans lequel un joint fïlaire (412) est disposé autour du câble (400), à l'intérieur du manchon (120) et de l'autre côté du premier contact (122) par rapport à la portion interne (602) de la bague de reprise de blindage (600). Connector assembly according to claim 1 or 2, wherein a wire seal (412) is disposed around the cable (400), inside the sleeve (120) and on the other side of the first contact (122). relative to the inner portion (602) of the shielding retaining ring (600).
4. Ensemble selon la revendication 3, dans lequel la bague de reprise de blindage (600) est en appui sur une première section du manchon (120) et le joint fïlaire (412) est en appui sur une deuxième section du manchon (120), distincte de la première section du manchon (120). 4. The assembly of claim 3, wherein the shielding retaining ring (600) bears on a first section of the sleeve (120) and the wire seal. (412) is supported on a second section of the sleeve (120), distinct from the first section of the sleeve (120).
5. Ensemble de connecteur selon l'une des revendications précédentes, dans lequel la portion interne (602) de la bague de reprise de blindage (600) est en contact électrique avec une férule (410) disposée autour de la gaine de blindage (406). Connector assembly according to one of the preceding claims, wherein the inner portion (602) of the shielding retaining ring (600) is in electrical contact with a ferrule (410) disposed around the shielding sheath (406). ).
6. Ensemble de connecteur selon l'une des revendications précédentes, dans lequel au moins l'une des portions interne (602) et externe (604) de la bague de reprise de blindage (600) comprend au moins une languette élastique (606 ou 608). Connector assembly according to one of the preceding claims, wherein at least one of the inner (602) and outer (604) portions of the shielding retaining ring (600) comprises at least one resilient tongue (606 or 608).
7. Ensemble de connecteur selon l'une des revendications précédentes, dans lequel la bague de reprise de blindage (600) est constituée d'une section de ruban métallique enroulée. Connector assembly according to one of the preceding claims, wherein the shielding retaining ring (600) consists of a wound metal ribbon section.
8. Ensemble de connecteur selon la revendication 7, dans lequel la portion externe (604) s'étend à partir d'un bord de la section de ruban métallique enroulée et passe à travers une paroi (128) du manchon (120). The connector assembly of claim 7, wherein the outer portion (604) extends from an edge of the wound metal ribbon section and passes through a wall (128) of the sleeve (120).
9. Connecteur comprenant 9. Connector including
- un manchon (120) en matière électriquement isolante et comportant une paroi (128) avec une surface interne (124) et une surface externe (125),  a sleeve (120) of electrically insulating material and having a wall (128) with an inner surface (124) and an outer surface (125),
- une bague de reprise de blindage (600) en matière électriquement conductrice,  a shielding retaining ring (600) of electrically conductive material,
caractérisé par le fait que la bague de reprise de blindage (600) comporte characterized in that the shielding retaining ring (600) comprises
- une portion interne (602), située à l'intérieur du manchon (120) et en appui sur une première section de la surface interne (124) de la paroi (128) du manchon (120), et an inner portion (602) located inside the sleeve (120) and resting on a first section of the inner surface (124) of the wall (128) of the sleeve (120), and
- une portion externe (604) située à l'extérieur du manchon (120), venue de matière avec la portion interne (602), et prolongeant la portion interne (602) à travers au moins une ouverture (126) ménagée dans la paroi du manchon (120). - an outer portion (604) located outside the sleeve (120), integral with the inner portion (602), and extending the inner portion (602) through at least one opening (126) in the wall the sleeve (120).
10. Connecteur selon la revendication 9, dans lequel la bague de reprise de blindage (600) est constituée d'une section de ruban métallique enroulée et la portion externe (604) s'étend à partir d'un bord de la section de ruban métallique enroulée et passe à travers l'ouverture (126) ménagée dans la paroi du manchon. The connector of claim 9, wherein the shielding retaining ring (600) is comprised of a wound metal ribbon section and the outer portion (604) extending from an edge of the ribbon section. metal wound and passes through the opening (126) formed in the wall of the sleeve.
11. Connecteur selon la revendication 9 ou 10, comportant un support (110) en matière électriquement isolante s 'étendant radialement autour et à l'extérieur du manchon (120) et un joint interfacial (116) disposé sur le support (110), autour du manchon (120) et de la portion externe (604). Connector according to claim 9 or 10, comprising a support (110) of electrically insulating material extending radially around and outside the sleeve (120) and an interfacial seal (116) disposed on the support (110), around the sleeve (120) and the outer portion (604).
EP14809600.1A 2013-11-12 2014-11-06 Electric connector with shield contact Active EP3069413B1 (en)

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FR1361008A FR3013157B1 (en) 2013-11-12 2013-11-12 ELECTRICAL CONNECTOR WITH ARMOR RECOVERY
PCT/EP2014/073948 WO2015071171A1 (en) 2013-11-12 2014-11-06 Electric connector with shield contact

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CN105814742A (en) 2016-07-27
EP3069413B1 (en) 2023-10-04
FR3013157B1 (en) 2015-10-30
US20160268738A1 (en) 2016-09-15
US10103496B2 (en) 2018-10-16
FR3013157A1 (en) 2015-05-15

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