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EP2112722B1 - Hybrid connector with a plurality of cantacts - Google Patents

Hybrid connector with a plurality of cantacts Download PDF

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Publication number
EP2112722B1
EP2112722B1 EP09158391A EP09158391A EP2112722B1 EP 2112722 B1 EP2112722 B1 EP 2112722B1 EP 09158391 A EP09158391 A EP 09158391A EP 09158391 A EP09158391 A EP 09158391A EP 2112722 B1 EP2112722 B1 EP 2112722B1
Authority
EP
European Patent Office
Prior art keywords
plug
receptacle
relief
front face
connector according
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.)
Not-in-force
Application number
EP09158391A
Other languages
German (de)
French (fr)
Other versions
EP2112722A1 (en
Inventor
Renaud Durand
Charles Populaire
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.)
Radiall SA
Original Assignee
Radiall 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 Radiall SA filed Critical Radiall SA
Publication of EP2112722A1 publication Critical patent/EP2112722A1/en
Application granted granted Critical
Publication of EP2112722B1 publication Critical patent/EP2112722B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R13/648—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]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H01R13/6593—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable the shield being composed of different pieces
    • 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 subject of the present invention is a multi-contact connector, in particular a connector comprising at least one optical channel and / or at least one electrical channel.
  • hybrid connector Such a “hybrid connector” connector is commonly called.
  • Such hybrid connectors are used for example to connect base stations with transmitter modules RRU / RRH (Remote Radio Unit / Remote Radio Head) for the market for wireless communications.
  • the advantage of this type of connector lies in the fact that they make it possible to pass information between the base and the module (s) thanks to the optical connections and to ensure the power supply of these same modules through connections electric copper.
  • the absence of interference between the optical signal and the electrical signal makes it possible to gather these two functions within the same connector.
  • the use of a single cable instead of two usually used is possible, which represents a significant gain in space.
  • the document EP-A-0 752 737 shows a connector according to the preamble of claim 1.
  • the invention aims to meet these needs and achieves this through a multi-contact connector according to claim 1.
  • the invention makes it possible to obtain a compact multi-contact connector, lightened in weight and having an electromagnetic shielding.
  • the plug advantageously comprises a metal or metallized sleeve and a grounding element of the mounted plug, especially screwed on the front of the sleeve
  • the base advantageously comprises a grounding element of the base
  • the electromagnetic shield is advantageously provided by a continuity of mass between the sleeve, the grounding element of the plug and the earthing element of the base when the plug is connected to the base.
  • the base body comprises a plate for attachment to a panel, in particular a metal outer panel.
  • the grounding element of the base is also inserted in support on the external metal panel during installation.
  • the grounding element of the base advantageously comes into contact with the earthed element of the plug.
  • the earthing element of the plug advantageously has a tubular shape.
  • the cable comprises at least one optical conductor and / or at least one electrical conductor.
  • the cable comprises two electrical conductors and two optical conductors.
  • the plug advantageously comprises at its end intended to come into contact with the base an insulating body received in the sleeve having a front face having at least one relief and preferably at least a first relief and at least a second relief.
  • the insulating body is for example completely surrounded by the earthing element of the plug.
  • front face of the insulating body refers to the face of the insulating body on which the cavities for receiving the contacts open.
  • the base body may comprise a front face having at least a first and at least a second relief.
  • front face of the base body means the face of the base body intended to come into contact with the insulating body when the plug is connected to the base.
  • the grounding element of the base advantageously has a tubular shape having at least one slot bordered by at least one solid portion.
  • the relief, in particular the first relief, of the front face of the base body is for example an opening allowing the passage of the solid part of the grounding element of the base through the front face of the body of the base. 'base.
  • the first relief of the front face of the insulating body of the plug and the slot of the grounding element of the base preferably have complementary shapes to allow the introduction of the relief of the front face of the insulating body of the plug, including the first relief, in the slot of the grounding element of the base when connecting the plug to the base.
  • the first relief of the front face of the insulating body of the plug and the slot of the grounding element of the base advantageously constitute polarizing means between the plug and the base.
  • the second relief of the front face of the insulating body of the plug is for example a recess and the second relief of the front face of the base body is for example a projecting element forwards, the second relief of the front face.
  • the insulating body of the plug and the second relief of the front face of the base body advantageously having complementary shapes so as to cooperate when fixing the plug to the base.
  • the invention advantageously makes it possible to obtain guiding means between the plug and the base, once the coding has been performed.
  • the insulative body of the plug and the sleeve may have shoulders to prevent rotational movement between these two parts, which may prevent twisting of the cable during handling.
  • the plug advantageously comprises insulating elements, for example in the form of a comb arranged to maintain the electrical and / or optical contacts against the insulating body.
  • the base advantageously comprises insulating elements for example in the form of a comb arranged to maintain the electrical and / or optical contacts against the base body.
  • Such a form of insulating elements can make it easier to assemble.
  • the base body is made in one piece of polymeric material, for example selected from PAA (polyaryl-amide), PAI (polyamide-imide), PPS (phenylene polysulfide) and PES (polyether sulfone) , which allows a gain in cost and weight.
  • PAA polyaryl-amide
  • PAI polyamide-imide
  • PPS phenylene polysulfide
  • PES polyether sulfone
  • the base body is advantageously made of a polymer material loaded with electrically conductive fibers, in particular metallic fibers.
  • the connector has two optical contacts and two electrical contacts, but it is not beyond the scope of the present invention when it is otherwise, for example when the number of contacts is different or when the number of electrical contacts is not equal to the number of optical contacts or when the contacts are exclusively optical or exclusively electrical.
  • figure 1 an example of a plug according to the invention generally designated 1.
  • the plug 1 constitutes, in the example described, the termination of a hybrid cable 12 comprising two electrical conductors 121 and two optical conductors 122.
  • the optical conductors are, in the example described, optical fibers 122 which are mounted via a guide sleeve on an optical contact 8 having a shoulder 81 whose role will be described later.
  • the guide sleeve also called sleeve , allows precise alignment between the optical contacts of the plug and the optical contacts of the base.
  • the optical contacts 8 may be of the APC ( Angled Polished Connectors ) or PC ( Polished connectors ) type, with single-mode or multi-mode optical fibers.
  • the electrical conductors are for example electrical cables 121, for example copper, soldered or crimped to electrical contacts which are in the example described metal sockets 9 having a shoulder 91 whose role will be described later.
  • the connector also comprises a metal or metallized sleeve 10, a crimping ferrule 11 and a preformed sheath 13.
  • the preformed sheath 13 covers the end of the cable 12, the ferrule and a portion of the sleeve 10 and limits the possibility of rotation of the plug 1 with respect to the cable 12.
  • the plug 1 also comprises an insulating body 5 generally designated 5 and shown in FIG. figure 4 .
  • This insulating body comprises in the example described four cavities 51 and 52.
  • the cavities 52 are for example associated with the electrical contacts 9 and the cavities 51 are for example associated with the optical contacts 8.
  • the insulating body 5 comprises a front face 50 having in the example describes first and second reliefs 53 and 55.
  • the insulating body comprises three first reliefs 53 distributed regularly around the perimeter of the front face 50 of the insulating body 5.
  • the insulating body 5 also comprises a tab 54 extending axially from the rear face 56 of the insulating body 5 and arranged to cooperate with a relief 101 of the sleeve 10.
  • the electrical contacts 9 and 8 are mounted in the insulating body 5 by its rear face 56, the latter having unrepresented reliefs to receive the shoulders 81 and 91 in order to limit the possibilities of radial displacement of the optical or electrical contacts when the latter are mounted in the insulating body 5.
  • the plug further comprises insulating elements 6 for example in the form of a comb to be assembled on either side of the contacts.
  • the elements 6 have openings 61 to allow, when these elements are mounted in pairs, the passage of the contacts 8 and 9.
  • the elements 6 make it possible to limit the possibilities of axial displacement of the optical or electrical contacts when they are mounted on the latter.
  • the insulating body 5 is mounted by its rear face 56 in the sleeve 10.
  • the tab 54 and the relief 101 of the sleeve cooperate, for example, so as to constitute shoulders to prevent the rotation of the insulating body 5 with respect to the sleeve 10, which may make it possible to prevent the cable 12 from twisting.
  • the plug also comprises a flat gasket 30 and a plug 20 mounted on the sleeve 10.
  • the plug is for example made of a polymer material or a metal alloy of brass type.
  • the plug further comprises an element 4 of grounding of the plug which is in the example described screwed on the sleeve and which can allow to maintain the insulating body 5 in the sleeve 10.
  • the element 4 grounding has a housing 41 for receiving a seal 42.
  • a plug according to the invention is particularly simple to form and the grounding element 4 and the insulating body 5 can be easily dismounted so as to clean the optical fibers 122 without having to cover the cable 12.
  • This base 2 comprises, as shown in FIG. figure 3 , a base body 14 having a tubular portion and a plate 15 for attachment to a not shown panel.
  • the base body 14 is made of polymer material and may consist of a single piece or several pieces.
  • the base body 14 is for example made of PAA (polyaryl-amide), PAI (polyamide-imide), PPS (phenylene polysulfide) or PES (polyether sulfone).
  • This base body comprises for example two first through cavities 143 and two second through cavities 144.
  • the first cavities 143 allow the passage of electrical contacts and the second cavities 144 allow the passage of optical contacts.
  • the base body 14 further comprises in the example described first reliefs 141 and second reliefs 142.
  • the first reliefs 141 are three openings arranged regularly around a front face 140 of the base body 14 and defining two by two between them three solid parts 145.
  • the second reliefs 142 are portions projecting forwardly from the front face 140.
  • the rear face of the base body comprises not shown reliefs for receiving the shoulders 81 and 91 of optical contacts 8 and electrical 9, similarly to what has been described with reference to the sheet 1.
  • the base also comprises insulating elements 18 for example in the form of a comb to be assembled on either side of the electrical and optical contacts, similarly to the elements 6 described with reference to the card 1.
  • the base comprises an element 17 of grounding of the base which has in the example described a tubular shape.
  • This element 17 of grounding of the base comprises for example three slots 171 distributed regularly around its periphery and defining two by two between them solid parts 172.
  • the slots extend for example axially on less than the height of the element 17.
  • the solid portions 172 are for example arranged to be introduced into the openings 141 during assembly of the grounding element 17 on the base body 17 and the slots 171 to receive the solid portions 145 of the front face during this same assembly.
  • the height of the element 17 of grounding of the base is for example chosen so that the grounding element of the base 17 extends forwardly beyond the front face 140 of the base body after its mounting on the base body 14.
  • the grounding element 17 of the base may have an unrepresented inner shoulder allowing, when it is mounted on the base body 14, to immobilize the insulating elements 18 axially.
  • the base 2 further comprises a gasket 19 intended to be mounted on the element 17 of grounding the base.
  • the earthing element of the base bears against a metal panel not shown.
  • Figures 5 and 6 an example of connection of a plug 1 as described above to a base 2 as described above.
  • the connection of the plug 1 to the base 2 can be done in three steps.
  • the first step consists in centering the plug 1 in the base 2 by cooperation between the grounding element 4 of the plug and the base body 14.
  • the second step consists of a foolproofing of the plug 1 by the element 17 of grounding of the base.
  • each first relief 53 is introduced into a slot 171, as shown in figure 5 .
  • the third step corresponds to the final guidance between the base 2 and the insulating body 5.
  • each second relief 142 is introduced into a second relief 55 of the insulating body 5, as shown in FIG. figure 6 .
  • the grounding element 4 of the plug 1 bears against the grounding element 17 of the base 2 and the grounding element 17 of the ground base 2 abuts against the above-mentioned panel, which makes it possible to obtain a continuity of mass ensuring a shielding of the connector thus produced.
  • the seal 42 makes it possible to ensure the seal between the plug 1 and the base 2 and the seal 19 to ensure the seal between the base 2 and the panel.
  • the front face 50 of the insulating body 5 has only one type of relief providing keying functions and final guidance.

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  • Connector Housings Or Holding Contact Members (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Description

La présente invention a pour objet un connecteur multi-contacts, notamment un connecteur comportant au moins une voie optique et / ou au moins une voie électrique.The subject of the present invention is a multi-contact connector, in particular a connector comprising at least one optical channel and / or at least one electrical channel.

On appelle communément un tel connecteur « connecteur hybride ». De tels connecteurs hybrides servent par exemple à relier des stations de base à des modules émetteurs RRU/RRH (Remote Radio Unit/Remote Radio Head) pour le marché des communications sans fil. L'intérêt de ce type de connecteur réside dans le fait qu'ils permettent de faire transiter l'information entre la base et le(s) modules grâce aux connections optiques et d'assurer l'alimentation électrique de ces mêmes modules grâce aux connections électrique en cuivre. L'absence d'interférence entre le signal optique et le signal électrique permet de rassembler ces deux fonctions au sein d'un même connecteur. L'utilisation d'un seul câble à la place de deux habituellement utilisés est donc possible, ce qui représente un gain de place non négligeable.Such a "hybrid connector" connector is commonly called. Such hybrid connectors are used for example to connect base stations with transmitter modules RRU / RRH (Remote Radio Unit / Remote Radio Head) for the market for wireless communications. The advantage of this type of connector lies in the fact that they make it possible to pass information between the base and the module (s) thanks to the optical connections and to ensure the power supply of these same modules through connections electric copper. The absence of interference between the optical signal and the electrical signal makes it possible to gather these two functions within the same connector. The use of a single cable instead of two usually used is possible, which represents a significant gain in space.

Il existe déjà dans l'art antérieur des exemples de connecteurs hybrides adressés au marché des télécommunications tels que ceux décrits dans les brevets US 6 719 461 et US 6 874 946 .There already exist in the prior art examples of hybrid connectors addressed to the telecommunications market such as those described in the patents US 6,719,461 and US 6,874,946 .

Le document EP-A-0 752 737 montre un connecteur selon la préambule de la revendication 1.The document EP-A-0 752 737 shows a connector according to the preamble of claim 1.

Ces connecteurs présentent cependant un nombre important de pièces et leur coût de réalisation relativement élevé est un frein pour ce type de marché.These connectors, however, have a large number of parts and their relatively high cost of implementation is a brake for this type of market.

Il existe donc un besoin pour améliorer encore ce type de connecteurs notamment pour bénéficier de connecteurs qui soient de conception et d'assemblage simples avec un nombre réduit de composants élémentaires, allégés en poids et assurant une protection anti-foudre nécessaire à un type d'application en milieu extérieur.There is therefore a need to further improve this type of connector including to benefit from connectors that are simple design and assembly with a reduced number of elementary components, lightened by weight and providing a lightning protection required for a type of application in external environment.

L'invention vise à répondre à ces besoins et y parvient grâce à un connecteur multi-contacts selon la revendication 1.The invention aims to meet these needs and achieves this through a multi-contact connector according to claim 1.

L'invention permet d'obtenir un connecteur multi-contacts compact, allégé en poids et présentant un blindage électromagnétique. La fiche comporte avantageusement un manchon métallique ou métallisé et un élément de mise à la terre de la fiche monté, notamment vissé, sur l'avant du manchon, l'embase comporte avantageusement un élément de mise à la terre de l'embase et le blindage électromagnétique est avantageusement assuré par une continuité de masse entre le manchon, l'élément de mise à la terre de la fiche et l'élément de mise à la terre de l'embase lorsque la fiche est connectée à l'embase.The invention makes it possible to obtain a compact multi-contact connector, lightened in weight and having an electromagnetic shielding. The plug advantageously comprises a metal or metallized sleeve and a grounding element of the mounted plug, especially screwed on the front of the sleeve, the base advantageously comprises a grounding element of the base and the electromagnetic shield is advantageously provided by a continuity of mass between the sleeve, the grounding element of the plug and the earthing element of the base when the plug is connected to the base.

Le corps d'embase comporte une platine de fixation à un panneau, notamment un panneau externe métallique. L'élément de mise à la terre de l'embase est par ailleurs inséré en appui sur le panneau métallique externe lors de l'installation.The base body comprises a plate for attachment to a panel, in particular a metal outer panel. The grounding element of the base is also inserted in support on the external metal panel during installation.

L'élément de mise à la terre de l'embase vient avantageusement au contact de l'élément de misé à la terre de la fiche.The grounding element of the base advantageously comes into contact with the earthed element of the plug.

L'élément de mise à la terre de la fiche présente avantageusement une forme tubulaire.The earthing element of the plug advantageously has a tubular shape.

Le câble comporte au moins un conducteur optique et/ou au moins un conducteur électrique.The cable comprises at least one optical conductor and / or at least one electrical conductor.

Dans un exemple de mise en oeuvre de l'invention, le câble comporte deux conducteurs électriques et deux conducteurs optiques.In an exemplary implementation of the invention, the cable comprises two electrical conductors and two optical conductors.

La fiche comporte avantageusement à son extrémité destinée à venir au contact de l'embase un corps isolant reçu dans le manchon comportant une face avant présentant au moins un relief et avantageusement au moins un premier relief et au moins un deuxième relief.The plug advantageously comprises at its end intended to come into contact with the base an insulating body received in the sleeve having a front face having at least one relief and preferably at least a first relief and at least a second relief.

Le corps isolant est par exemple entièrement entouré par l'élément de mise à la terre de la fiche.The insulating body is for example completely surrounded by the earthing element of the plug.

On désigne par « face avant du corps isolant » la face du corps isolant sur laquelle débouchent les cavités destinées à recevoir les contacts. Le corps d'embase peut comporter une face avant présentant au moins un premier et au moins un deuxième relief.The term "front face of the insulating body" refers to the face of the insulating body on which the cavities for receiving the contacts open. The base body may comprise a front face having at least a first and at least a second relief.

On désigne par « face avant du corps d'embase» la face du corps d'embase destinée à venir au contact du corps isolant lorsque la fiche est connectée à l'embase.The term "front face of the base body" means the face of the base body intended to come into contact with the insulating body when the plug is connected to the base.

L'élément de mise à la terre de l'embase présente avantageusement une forme tubulaire comportant au moins une fente bordée par au moins une partie pleine.The grounding element of the base advantageously has a tubular shape having at least one slot bordered by at least one solid portion.

Le relief, notamment le premier relief, de la face avant du corps d'embase est par exemple une ouverture permettant le passage de la partie pleine de l'élément de mise à la terre de l'embase à travers la face avant du corps d'embase.The relief, in particular the first relief, of the front face of the base body is for example an opening allowing the passage of the solid part of the grounding element of the base through the front face of the body of the base. 'base.

Le premier relief de la face avant du corps isolant de la fiche et la fente de l'élément de mise à la terre de l'embase ont avantageusement des formes complémentaires pour permettre l'introduction du relief de la face avant du corps isolant de la fiche, notamment du premier relief, dans la fente de l'élément de mise à la terre de l'embase lors de la connexion de la fiche à l'embase.The first relief of the front face of the insulating body of the plug and the slot of the grounding element of the base preferably have complementary shapes to allow the introduction of the relief of the front face of the insulating body of the plug, including the first relief, in the slot of the grounding element of the base when connecting the plug to the base.

Le premier relief de la face avant du corps isolant de la fiche et la fente de l'élément de mise à la terre de l'embase constituent avantageusement des moyens de détrompage entre la fiche et l'embase.The first relief of the front face of the insulating body of the plug and the slot of the grounding element of the base advantageously constitute polarizing means between the plug and the base.

Le deuxième relief de la face avant du corps isolant de la fiche est par exemple un renfoncement et le deuxième relief de la face avant du corps d'embase est par exemple un élément faisant saillie vers l'avant, le deuxième relief de la face avant du corps isolant de la fiche et le deuxième relief de la face avant du corps d'embase présentant avantageusement des formes complémentaires de façon à coopérer lors de la fixation de la fiche à l'embase.The second relief of the front face of the insulating body of the plug is for example a recess and the second relief of the front face of the base body is for example a projecting element forwards, the second relief of the front face. the insulating body of the plug and the second relief of the front face of the base body advantageously having complementary shapes so as to cooperate when fixing the plug to the base.

L'invention permet avantageusement d'obtenir des moyens de guidage entre la fiche et l'embase, une fois le détrompage effectué.The invention advantageously makes it possible to obtain guiding means between the plug and the base, once the coding has been performed.

Dans le cas où le corps isolant de la fiche ne présente qu'un seul relief, c'est ce seul relief qui assure les fonctions de détrompage et de guidage.In the case where the insulating body of the plug has only one relief, it is this only relief which provides the keying and guiding functions.

Le corps isolant de la fiche et le manchon peuvent présenter des épaulements pour empêcher un mouvement de rotation entre ces deux pièces, ce qui peut permettre d'éviter une torsion du câble en cours de manipulation.The insulative body of the plug and the sleeve may have shoulders to prevent rotational movement between these two parts, which may prevent twisting of the cable during handling.

La fiche comporte avantageusement des éléments isolants par exemple en forme de peigne agencés pour maintenir les contacts électriques et/ou optiques contre le corps isolant.The plug advantageously comprises insulating elements, for example in the form of a comb arranged to maintain the electrical and / or optical contacts against the insulating body.

L'embase comporte avantageusement des éléments isolants par exemple en forme de peigne agencés pour maintenir les contacts électriques et/ou optiques contre le corps d'embase.The base advantageously comprises insulating elements for example in the form of a comb arranged to maintain the electrical and / or optical contacts against the base body.

Ces éléments présentent des ouvertures pour permettre le passage des contacts.These elements have openings to allow the passage of contacts.

Une telle forme d'éléments isolants peut permettre d'en faciliter le montage.Such a form of insulating elements can make it easier to assemble.

Le corps d'embase est réalisé d'une seule pièce en matériau polymère, par exemple choisi parmi les PAA (polyaryl-amide), les PAI (polyamide-imide), les PPS (polysulfure de phénylène) et les PES (polyéther sulfone), ce qui permet un gain de coût et de poids important.The base body is made in one piece of polymeric material, for example selected from PAA (polyaryl-amide), PAI (polyamide-imide), PPS (phenylene polysulfide) and PES (polyether sulfone) , which allows a gain in cost and weight.

Le corps d'embase est avantageusement réalisé en un matériau polymère chargé de fibres électriquement conductrices, notamment métalliques.The base body is advantageously made of a polymer material loaded with electrically conductive fibers, in particular metallic fibers.

D'autres avantages et caractéristiques de l'invention apparaitront à la lecture de la description qui suit d'un exemple de réalisation non limitatif en se référant au dessin annexé dans lequel :

  • la figure 1 est une vue éclatée d'un exemple de fiche selon l'invention,
  • la figure 2 est une vue éclatée d'un exemple d'embase selon l'invention,
  • la figure 3 est une vue isolée du corps isolant représenté à la figure 1,
  • la figure 4 est une vue isolée du corps d'embase représenté à la figure 2, et
  • les figures 5 et 6 représentent de façon schématique des étapes de connexion de la fiche sur l'embase.
Other advantages and characteristics of the invention will appear on reading the following description of a nonlimiting exemplary embodiment with reference to the appended drawing in which:
  • the figure 1 is an exploded view of an example of a plug according to the invention,
  • the figure 2 is an exploded view of an example of a base according to the invention,
  • the figure 3 is an isolated view of the insulating body shown in figure 1 ,
  • the figure 4 is an isolated view of the base body shown in FIG. figure 2 , and
  • the Figures 5 and 6 schematically represent steps of connection of the plug on the base.

Dans ce qui suit, le connecteur comporte deux contacts optiques et deux contacts électriques, mais on ne sort pas du cadre de la présente invention lorsqu'il en est autrement, par exemple lorsque le nombre de contacts est différent ou lorsque le nombre de contacts électriques n'est pas égal au nombre de contacts optiques ou encore lorsque les contacts sont exclusivement optiques ou exclusivement électriques.In the following, the connector has two optical contacts and two electrical contacts, but it is not beyond the scope of the present invention when it is otherwise, for example when the number of contacts is different or when the number of electrical contacts is not equal to the number of optical contacts or when the contacts are exclusively optical or exclusively electrical.

On a représenté à la figure 1 un exemple de fiche selon l'invention, désignée globalement par 1.We have shown figure 1 an example of a plug according to the invention generally designated 1.

La fiche 1 constitue, dans l'exemple décrit, la terminaison d'un câble hybride 12 comportant deux conducteurs électriques 121 et deux conducteurs optiques 122.The plug 1 constitutes, in the example described, the termination of a hybrid cable 12 comprising two electrical conductors 121 and two optical conductors 122.

Les conducteurs optiques sont, dans l'exemple décrit, des fibres optiques 122 qui sont montées par l'intermédiaire d'un manchon de guidage sur un contact optique 8 comportant un épaulement 81 dont le rôle sera décrit par la suite. Le manchon de guidage, encore appelé sleeve, permet un alignement précis entre les contacts optiques de la fiche et les contacts optiques de l'embase. Les contacts optiques 8 peuvent être de type APC (Angled Polished Connectors) ou PC (Polished connectors), à fibres optiques mono-mode ou multi-modes.The optical conductors are, in the example described, optical fibers 122 which are mounted via a guide sleeve on an optical contact 8 having a shoulder 81 whose role will be described later. The guide sleeve, also called sleeve , allows precise alignment between the optical contacts of the plug and the optical contacts of the base. The optical contacts 8 may be of the APC ( Angled Polished Connectors ) or PC ( Polished connectors ) type, with single-mode or multi-mode optical fibers.

Les conducteurs électriques sont par exemple des câbles électriques 121, par exemple en cuivre, soudés ou sertis à des contacts électriques qui sont dans l'exemple décrit des douilles métalliques 9 comportant un épaulement 91 dont le rôle sera décrit par la suite.The electrical conductors are for example electrical cables 121, for example copper, soldered or crimped to electrical contacts which are in the example described metal sockets 9 having a shoulder 91 whose role will be described later.

Le connecteur comporte également un manchon métallique ou métallisé 10, une ferrule de sertissage 11 et une gaine préformée 13.The connector also comprises a metal or metallized sleeve 10, a crimping ferrule 11 and a preformed sheath 13.

La gaine préformée 13 recouvre la fin du câble 12, la ferrule et une partie du manchon 10 et permet de limiter la possibilité de rotation de la fiche 1 par rapport au câble 12.The preformed sheath 13 covers the end of the cable 12, the ferrule and a portion of the sleeve 10 and limits the possibility of rotation of the plug 1 with respect to the cable 12.

La fiche 1 comporte également un corps isolant 5 désigné globalement par 5 et représenté à la figure 4.The plug 1 also comprises an insulating body 5 generally designated 5 and shown in FIG. figure 4 .

Ce corps isolant comporte dans l'exemple décrit quatre cavités 51 et 52. Les cavités 52 sont par exemple associées aux contacts électriques 9 et les cavités 51 sont par exemple associées aux contacts optiques 8. Le corps isolant 5 comporte une face avant 50 présentant dans l'exemple décrit des premiers et deuxièmes reliefs 53 et 55.This insulating body comprises in the example described four cavities 51 and 52. The cavities 52 are for example associated with the electrical contacts 9 and the cavities 51 are for example associated with the optical contacts 8. The insulating body 5 comprises a front face 50 having in the example describes first and second reliefs 53 and 55.

Dans l'exemple décrit, le corps isolant comporte trois premiers reliefs 53 répartis régulièrement sur le pourtour de la face avant 50 du corps isolant 5.In the example described, the insulating body comprises three first reliefs 53 distributed regularly around the perimeter of the front face 50 of the insulating body 5.

Le corps isolant 5 comporte encore une patte 54 s'étendant axialement depuis la face arrière 56 du corps isolant 5 et agencée pour coopérer avec un relief 101 du manchon 10.The insulating body 5 also comprises a tab 54 extending axially from the rear face 56 of the insulating body 5 and arranged to cooperate with a relief 101 of the sleeve 10.

Les contacts électriques 9 et optiques 8 sont montés dans le corps isolant 5 par sa face arrière 56, cette dernière comportant des reliefs non représentés pour recevoir les épaulements 81 et 91 afin de limiter les possibilités de déplacement radial des contacts optiques ou électriques lorsque ces derniers sont montés dans le corps isolant 5.The electrical contacts 9 and 8 are mounted in the insulating body 5 by its rear face 56, the latter having unrepresented reliefs to receive the shoulders 81 and 91 in order to limit the possibilities of radial displacement of the optical or electrical contacts when the latter are mounted in the insulating body 5.

La fiche comporte encore des éléments isolants 6 par exemple en forme de peigne à assembler de part et d'autre des contacts. Les éléments 6 présentent des ouvertures 61 pour permettre, lorsque ces éléments sont montés deux à deux, le passage des contacts 8 et 9.The plug further comprises insulating elements 6 for example in the form of a comb to be assembled on either side of the contacts. The elements 6 have openings 61 to allow, when these elements are mounted in pairs, the passage of the contacts 8 and 9.

Les éléments 6 permettent de limiter les possibilités de déplacement axial des contacts optiques ou électriques lorsqu'ils sont montés sur ces derniers.The elements 6 make it possible to limit the possibilities of axial displacement of the optical or electrical contacts when they are mounted on the latter.

Le corps isolant 5 est dans l'exemple décrit monté par sa face arrière 56 dans le manchon 10. La patte 54 et le relief 101 du manchon coopèrent par exemple de façon à constituer des épaulements pour empêcher la rotation du corps isolant 5 par rapport au manchon 10, ce qui peut permettre d'éviter la torsion du câble 12.In the example described, the insulating body 5 is mounted by its rear face 56 in the sleeve 10. The tab 54 and the relief 101 of the sleeve cooperate, for example, so as to constitute shoulders to prevent the rotation of the insulating body 5 with respect to the sleeve 10, which may make it possible to prevent the cable 12 from twisting.

La fiche comporte également un joint plat 30 et un bouchon 20 monté sur le manchon 10. Le bouchon est par exemple réalisé en matériau polymère ou en alliage métallique de type laiton.The plug also comprises a flat gasket 30 and a plug 20 mounted on the sleeve 10. The plug is for example made of a polymer material or a metal alloy of brass type.

La fiche comporte encore un élément 4 de mise à la terre de la fiche qui est dans l'exemple décrit vissé sur le manchon et qui peut permettre de maintenir le corps isolant 5 dans le manchon 10. L'élément 4 de mise à la terre comporte un logement 41 destiné à recevoir un joint 42.The plug further comprises an element 4 of grounding of the plug which is in the example described screwed on the sleeve and which can allow to maintain the insulating body 5 in the sleeve 10. The element 4 grounding has a housing 41 for receiving a seal 42.

Une fiche selon l'invention s'avère particulièrement simple à former et l'élément 4 de mise à la terre et le corps isolant 5 peuvent être facilement démontés de façon à nettoyer les fibres optiques 122 sans dessertir le câble 12.A plug according to the invention is particularly simple to form and the grounding element 4 and the insulating body 5 can be easily dismounted so as to clean the optical fibers 122 without having to cover the cable 12.

On va maintenant décrire en référence à la figure 2 un exemple d'embase désignée globalement par 2 selon l'invention. Cette embase 2 comporte, comme représenté à la figure 3, un corps d'embase 14 comportant une portion tubulaire et une platine 15 de fixation à un panneau non représenté.We will now describe with reference to the figure 2 an example of base generally designated by 2 according to the invention. This base 2 comprises, as shown in FIG. figure 3 , a base body 14 having a tubular portion and a plate 15 for attachment to a not shown panel.

Le corps 14 d'embase est réalisé en matériau polymère et peut être constitué d'une seule pièce monobloc ou de plusieurs. Le corps d'embase 14 est par exemple réalisé en PAA (polyaryl-amide), PAI (polyamide-imide), PPS (polysulfure de phénylène) ou PES (polyether sulfone).The base body 14 is made of polymer material and may consist of a single piece or several pieces. The base body 14 is for example made of PAA (polyaryl-amide), PAI (polyamide-imide), PPS (phenylene polysulfide) or PES (polyether sulfone).

Ce corps d'embase comporte par exemple deux premières cavités traversantes 143 et deux deuxièmes cavités traversantes 144.This base body comprises for example two first through cavities 143 and two second through cavities 144.

Les premières cavités 143 permettent le passage de contacts électriques et les deuxièmes cavités 144 permettent le passage de contacts optiques.The first cavities 143 allow the passage of electrical contacts and the second cavities 144 allow the passage of optical contacts.

Le corps d'embase 14 comporte encore dans l'exemple décrit des premiers reliefs 141 et des deuxièmes reliefs 142.The base body 14 further comprises in the example described first reliefs 141 and second reliefs 142.

Dans l'exemple décrit, les premiers reliefs 141 sont trois ouvertures disposées régulièrement sur le pourtour d'une face avant 140 du corps d'embase 14 et définissant deux à deux entre elles trois parties pleines 145.In the example described, the first reliefs 141 are three openings arranged regularly around a front face 140 of the base body 14 and defining two by two between them three solid parts 145.

Les deuxièmes reliefs 142 sont des portions faisant saillie vers l'avant depuis la face avant 140.The second reliefs 142 are portions projecting forwardly from the front face 140.

La face arrière du corps d'embase comporte des reliefs non représentés permettant de recevoir les épaulements 81 et 91 de contacts optiques 8 et électriques 9, similairement à ce qui a été décrit en référence à la fiche 1.The rear face of the base body comprises not shown reliefs for receiving the shoulders 81 and 91 of optical contacts 8 and electrical 9, similarly to what has been described with reference to the sheet 1.

L'embase comporte également des éléments isolants 18 par exemple en forme de peigne à assembler de part et d'autre des contacts électriques et optiques, similairement aux éléments 6 décrits en référence à la fiche 1.The base also comprises insulating elements 18 for example in the form of a comb to be assembled on either side of the electrical and optical contacts, similarly to the elements 6 described with reference to the card 1.

L'embase comporte un élément 17 de mise à la terre de l'embase qui présente dans l'exemple décrit une forme tubulaire. Cet élément 17 de mise à la terre de l'embase comporte par exemple trois fentes 171 réparties régulièrement sur son pourtour et définissant deux à deux entre elles des parties pleines 172. Les fentes s'étendent par exemple axialement sur moins de la hauteur de l'élément 17.The base comprises an element 17 of grounding of the base which has in the example described a tubular shape. This element 17 of grounding of the base comprises for example three slots 171 distributed regularly around its periphery and defining two by two between them solid parts 172. The slots extend for example axially on less than the height of the element 17.

Les parties pleines 172 sont par exemple agencées pour pouvoir être introduites dans les ouvertures 141 lors du montage de l'élément de mise à la terre 17 sur le corps d'embase 17 et les fentes 171 pour recevoir les parties pleines 145 de la face avant lors de ce même montage.The solid portions 172 are for example arranged to be introduced into the openings 141 during assembly of the grounding element 17 on the base body 17 and the slots 171 to receive the solid portions 145 of the front face during this same assembly.

La hauteur de l'élément 17 de mise à la terre de l'embase est par exemple choisie pour que l'élément de mise à la terre de l'embase 17 s'étende vers l'avant au-delà de la face avant 140 du corps d'embase après son montage sur le corps d'embase 14.The height of the element 17 of grounding of the base is for example chosen so that the grounding element of the base 17 extends forwardly beyond the front face 140 of the base body after its mounting on the base body 14.

L'élément 17 de mise à la terre de l'embase peut présenter un épaulement intérieur non représenté permettant, lors de son montage sur le corps d'embase 14, de bloquer axialement les éléments isolants 18.The grounding element 17 of the base may have an unrepresented inner shoulder allowing, when it is mounted on the base body 14, to immobilize the insulating elements 18 axially.

L'embase 2 comporte encore un joint 19 destiné à être monté sur l'élément 17 de mise à la terre de l'embase.The base 2 further comprises a gasket 19 intended to be mounted on the element 17 of grounding the base.

Une fois l'embase montée sur un site d'utilisation, l'élément de mise à la terre de l'embase vient en appui sur un panneau métallique non représenté.Once the base mounted on a site of use, the earthing element of the base bears against a metal panel not shown.

On a représenté aux figures 5 et 6 un exemple de connexion d'une fiche 1 telle que décrite précédemment à une embase 2 telle que décrite précédemment.Representatives Figures 5 and 6 an example of connection of a plug 1 as described above to a base 2 as described above.

La connexion de la fiche 1 à l'embase 2 peut s'effectuer en trois étapes. La première étape consiste au centrage de la fiche 1 dans l'embase 2 par coopération entre l'élément 4 de mise à la terre de la fiche et le corps d'embase 14.The connection of the plug 1 to the base 2 can be done in three steps. The first step consists in centering the plug 1 in the base 2 by cooperation between the grounding element 4 of the plug and the base body 14.

La deuxième étape consiste en un détrompage de la fiche 1 par l'élément 17 de mise à la terre de l'embase. Lors de cette étape, chaque premier relief 53 est introduit dans une fente 171, comme représenté à la figure 5. La troisième étape correspond au guidage final entre l'embase 2 et le corps isolant 5. Au cours de cette étape, chaque deuxième relief 142 est introduit dans un deuxième relief 55 du corps isolant 5, comme représenté à la figure 6.The second step consists of a foolproofing of the plug 1 by the element 17 of grounding of the base. During this step, each first relief 53 is introduced into a slot 171, as shown in figure 5 . The third step corresponds to the final guidance between the base 2 and the insulating body 5. During this step, each second relief 142 is introduced into a second relief 55 of the insulating body 5, as shown in FIG. figure 6 .

Une fois la connexion effectuée, l'élément 4 de mise à la terre de la fiche 1 vient en appui sur l'élément 17 de mise à la terre de l'embase 2 et l'élément 17 de mise à la terre de l'embase 2 vient en appui contre le panneau précité, ce qui permet d'obtenir une continuité de masse assurant un blindage du connecteur ainsi réalisé.Once the connection is made, the grounding element 4 of the plug 1 bears against the grounding element 17 of the base 2 and the grounding element 17 of the ground base 2 abuts against the above-mentioned panel, which makes it possible to obtain a continuity of mass ensuring a shielding of the connector thus produced.

Le joint 42 permet d'assurer l'étanchéité entre la fiche 1 et l'embase 2 et le joint 19 d'assurer l'étanchéité entre l'embase 2 et le panneau.The seal 42 makes it possible to ensure the seal between the plug 1 and the base 2 and the seal 19 to ensure the seal between the base 2 and the panel.

L'invention n'est pas limitée aux exemples qui viennent d'être décrits.The invention is not limited to the examples which have just been described.

Dans un autre exemple non représenté, la face avant 50 du corps isolant 5 ne comporte qu'un seul type de relief assurant les fonctions de détrompage et de guidage final.In another example not shown, the front face 50 of the insulating body 5 has only one type of relief providing keying functions and final guidance.

Dans les revendications, l'expression « comportant un » doit être comprise comme étant synonyme de l'expression « comportant au moins un », sauf si le contraire est spécifié.In the claims, the phrase "having one" is to be understood as being synonymous with the phrase "having at least one" unless the contrary is specified.

Claims (12)

  1. A multi-contact connector comprising:
    · a plug (1) constituting the termination of a cable (12) having at least one optical conductor and/or at least one electrical conductor,
    · a receptacle (2) for connecting to the plug (1) and comprising a receptacle body (14) and
    · an electromagnetic shielding (4, 10, 17),
    characterized in that the receptacle body (14) comprises a plate (15) for fastening to a panel and a tubular portion comprising first (143) and second (144) through openings for receiving respectively electrical and optical contacts, and in that the receptacle body (14) is made of polymer material and is a single piece.
  2. A connector according to claim 1, characterized in that the plug (1) includes a metal or metal-plated sleeve (10) and a plug grounding element (4) mounted on the front of the sleeve, that the receptacle (2) includes a receptacle grounding element (17) capable of coming into contact with the plug grounding element (4), and that the electromagnetic shielding is provided by ground continuity between the sleeve (10), the plug grounding element (4), and the socket grounding element (17).
  3. A connector according to the preceding claim, characterized in that the plug (1) includes, at its end that is to come into contact with the receptacle, an insulating body (5) received in the sleeve (10) and having a front face (50) presenting at least one portion in relief, and in that the receptacle body (14) includes a front face (140) presenting at least one first portion in relief (141) and at least one second portion in relief (142).
  4. A connector according to claim 3, characterized in that the front face (50) of the insulating body (5) includes at least one first portion in relief (53) and at least one second portion in relief (55).
  5. A connector according to the preceding claim, characterized in that the receptacle grounding element (17) is tubular in shape having at least one slot (171) bordered by at least one solid portion (172).
  6. A connector according to the preceding claim, characterized in that the first portion in relief (141) of the front face (140) of the receptacle body is an opening enabling the solid portion (172) of the receptacle grounding element (17) to pass through the front face (140) of the receptacle body (14).
  7. A connector according to the preceding claim, characterized in that the first portion in relief (53) of the front face (50) of the insulating body of the plug (1) and the slot (171) of the grounding element (17) of the receptacle are of complementary shapes to enable the first portion in relief (53) of the front face of the insulating body (5) of the plug to be inserted in the slot (171) of the receptacle grounding element (17) when connecting the plug to the receptacle.
  8. A connector according to any one of claims 4 to 7, characterized in that the second portion in relief (55) of the front face (50) of the insulating body (5) of the plug is a setback and that the second portion in relief (142) of the front face (140) of the receptacle body (14) is a projecting element, and in that the second portion in relief (55) of the front face (50) of the insulating body of the plug and the second portion in relief (142) of the front face (140) of the receptacle body present complementary shapes so as to co-operate while connecting the plug to the receptacle
  9. A connector according to any one of the claims 3 to 8, characterized in that the insulating body (5) and the sleeve (10) present shoulders (54, 101) for preventing turning movement between the insulating body (5) and the sleeve (10).
  10. A connector according to any one of the preceding claims, characterized in that at least one of the plug (1) and the receptacle (2) includes insulating elements (6, 8) arranged to hold electrical (8) and/or optical (7) contacts against the insulating body (5) or the receptacle body (14).
  11. A connector according to any one the preceding claims, characterized in that the polymer material of the socket body is selected from PAAs (polyaryl-amines), PAIs (polyamide-imides), PPSs (polyphenylene sulfides), and PESs (polyether sulfones).
  12. A connector according to claim 1, wherein the receptacle body is made of a polymer material containing electro conductive especially metallic fibers.
EP09158391A 2008-04-24 2009-04-21 Hybrid connector with a plurality of cantacts Not-in-force EP2112722B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0852757A FR2930686A1 (en) 2008-04-24 2008-04-24 HYBRID MULTI-CONTACTS CONNECTOR

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EP2112722A1 EP2112722A1 (en) 2009-10-28
EP2112722B1 true EP2112722B1 (en) 2012-07-11

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EP (1) EP2112722B1 (en)
CN (1) CN101587215A (en)
FR (1) FR2930686A1 (en)

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Publication number Publication date
US7942588B2 (en) 2011-05-17
CN101587215A (en) 2009-11-25
US20090269013A1 (en) 2009-10-29
FR2930686A1 (en) 2009-10-30
EP2112722A1 (en) 2009-10-28

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