EP1271710A1 - Electrical connection - Google Patents

Electrical connection Download PDF

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Publication number
EP1271710A1
EP1271710A1 EP02100708A EP02100708A EP1271710A1 EP 1271710 A1 EP1271710 A1 EP 1271710A1 EP 02100708 A EP02100708 A EP 02100708A EP 02100708 A EP02100708 A EP 02100708A EP 1271710 A1 EP1271710 A1 EP 1271710A1
Authority
EP
European Patent Office
Prior art keywords
contact
ring
connector
housing
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.)
Granted
Application number
EP02100708A
Other languages
German (de)
French (fr)
Other versions
EP1271710B1 (en
Inventor
Gérard Boiret
Christophe Provost
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.)
FCI SA
Original Assignee
FCI SA
Framatome Connectors International SAS
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 FCI SA, Framatome Connectors International SAS filed Critical FCI SA
Publication of EP1271710A1 publication Critical patent/EP1271710A1/en
Application granted granted Critical
Publication of EP1271710B1 publication Critical patent/EP1271710B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • 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

Definitions

  • the present invention relates to an electrical continuity link. It finds more particularly its use in the field of connectors designed to receive coaxial cables for which a continuity of the mass must be ensured.
  • she finds a application in connectors intended to be mounted on devices on board, for example at the rear of aircraft dashboards. Indeed, we provides, on board aircraft, electrical and electronic devices in front be permanently powered and properly connected to each other. But, such an aeronautical environment creates significant vibrations at the level of each of these devices. Micro-cuts cannot be tolerated in such an environment.
  • the advantage of the invention is to propose a connector ensuring an efficient connection even in the presence of vibration.
  • a connector comprising a metal contact extending through an insulating body of the connector.
  • Contact receives on the one hand a cable and on the other hand has a connection end.
  • the contact is arranged in a channel of the insulating body in which it is retained by means of an elastic lock.
  • This elastic lock is for example constituted by elastic tongues deviating from the trunk of the contact to come into abutment against an interior recess in the channel. So it provides a mechanical and electrical connection of the contact with the housing.
  • the elastic lock can for example be presented on a mounted insert around the contact.
  • a connector comprising cables mounted in coaxial contacts, each contact being arranged in an insulating support retained inside a housing of the connector.
  • An electrical connection between an outer perimeter of each of these contacts and the housing is produced by means of a plate conductive, arranged perpendicular to a connection axis of the contact.
  • this plate has holes to let the contacts, and on the other hand has a dimension equivalent to that of the housing of the connector.
  • the conductive plate preferably comes to connect with the contacts by means of elastic tabs arranged on a periphery inside the holes allowing these contacts to pass. For each hole, the legs elastic of the hole are oriented towards a center of this hole, so that when the contact is inserted into such a hole, the tabs are constraints on an outside periphery of the contact.
  • Such a plate is obtained by machining. Indeed, we cut this plate so as to form a "lace" of legs (on each inner circumference of each hole). Then it is necessary to bend slightly in the same direction each of these legs to obtain elastic legs which can be constrained.
  • the main problem with these connectors is that when they are used in devices subject to significant vibration regimes, the connections are themselves subject to micro-cuts. Now these micro-cuts cannot be tolerated insofar as the devices onboard must remain efficient no matter what.
  • this risk of micro cuts is accentuated in the field of cable connectors coaxial since there are two connections to be made. Indeed, from except a connection must be ensured between the cable core and the contact, and on the other hand, a connection must be ensured between an outer braid of the cable and an outer periphery of the connector also ensuring continuity massive.
  • the object of the invention is to remedy the problems cited by proposing a link ensuring continuity of mass.
  • the solution provided by the invention comprises a connector comprising a housing and a substrate in this housing, such as a contact of this connector passes through the substrate to present on the one hand a cable end, and on the other hand an end of connection.
  • the connector is more particularly intended to receive a coaxial cable.
  • the contact has an inner circumference to come in contact with the core of the cable, an insulating intermediate layer for separate the inner perimeter of the contact from a conductive outer perimeter of that same contact.
  • the conductive outer periphery of the contact is provided for be connected to a ground braid of the cable. So the contact provides double conduction: conduction of the main signal and conduction of mass signal.
  • the invention provides that continuity of mass is ensured by the bias of an intermediate element disposed between the contact and a periphery inside of the case.
  • This intermediate element is preferably connected with on the one hand a first ring and on the other hand a second ring.
  • the invention particularly provides that the contact is surrounded by the first conductive ring so that this ring conductor is in electrical contact with the outer periphery of the contact conveying the mass contact.
  • the first ring is itself brought into contact with the intermediate element.
  • the intermediate element is no longer in contact through the second ring with the perimeter inside of the case.
  • the continuity of the mass is thus ensured from the outer periphery of the contact up to the inner wall of the housing.
  • the advantage presented by the invention is that it offers a means to ensure the continuity of the simple mass, easy to implement, by giving better results with regard to the appearance of micro-cuts electrical signals conveyed.
  • one second ring mounted around an outer periphery of the element intermediate is constrained between the inside periphery of the case and the element intermediate.
  • contact is guaranteed, and mass continuity too.
  • the production of these rings is easy: they are of simple structure. And they can be easily machined.
  • the invention therefore relates to a connector comprising a housing, a coaxial contact can be connected to a coaxial cable, an insulator for retain this contact in the housing, a means to ensure a connection between a ground braid of the cable and the housing, characterized in that the medium includes a first ring mounted around the contact, an insert conductor crossed by the contact surrounded by the ring, and a second ring surrounding the insert and pressed against an interior wall of the housing.
  • FIG. 1 shows a connector 1 according to the invention.
  • Connector 1 has a housing 2 in which is disposed a contact 3.
  • the contact 3 is designed to preferably receive a coaxial cable (not shown).
  • the connector 1 has a first side 4 of wiring and a second connection side 5.
  • the coaxial cable is therefore introduced into the connector 1 from wiring face 4, so as to be connected with contact 3.
  • a coaxial cable generally has an inner core conveying an electrical signal, this core being surrounded by a sheath insulating, and a metal braid on an outer periphery of the sheath insulating. The metal braid is used to convey a ground signal.
  • the contact 3 has a socket 6 to receive the cable.
  • This socket 6 is provided so that has a 7 conductor inner circumference which can be connected with the cable core.
  • Contact 3 includes an insulating intermediate layer 8 surrounding the inner periphery 7.
  • the contact 3 has a circumference outer 9 conductor to come into contact with the ground braid of the cable.
  • the intermediate layer 8 makes it possible to isolate the inner periphery 7 of the outer edge 9. Thus the main electrical signal can be separated from the mass signal.
  • This structure of contact 3 therefore ensures the ground continuity at the connection of a ground braid of a coaxial cable on a coaxial contact.
  • the contact 3 is preferably mounted in an insulating support 10 of so as to be retained inside a cavity 11 of the housing 2.
  • This insulator 10 is retained on the side of the wiring face 4 by an insulating plate 12 cooperating with a recess 13 of an inner periphery 14 of the cavity 11.
  • the insulator 10 and the insulating plate 12 have channels for let the contacts pass through 3.
  • the contacts 3 are retained in these channels, at the wiring face 4 by cooperation between the periphery outer 9 and an inner periphery of the channels formed respectively in the insulator 10 and the insulating plate 12.
  • the contact 3 is arranged in this insulator 10 and respectively in this plate 12 so that a certain length of contact 3 protrudes from a rear surface 15 of the plate insulating 12, so as to be stretched in the direction of the wiring face 4.
  • the connector 1 includes a conductive insert 16.
  • This insert 16 is mounted in the cavity 11 by being inserted from the front connection face 5.
  • This insert 16 has at least one channel for passing contact 3 and thus authorize the passing of one end 17 of contact 3 on the side of the connection front face 5.
  • the insert 16 is an intermediate element conductor to ensure earth continuity.
  • the insert 16 includes a outer collar 18.
  • This outer collar 18 has a periphery exterior of a geometry complementary to a geometry of the wall interior 14. In a central part, interior to this collar 18, the insert 16 has a greater thickness. In this greater thickness are formed of channels 19 to allow contacts such as 3 to pass.
  • Figure 2 shows an embodiment of an insert 16 according to the invention.
  • the insert 16 comprises preferably several channels 19 to allow passage multiple contacts such as 3.
  • first ring 20 around contact 3.
  • This ring 20 is arranged so that it sinks inside the channel 19.
  • the first ring 20 is forcibly mounted around the contact 3 and in the channel 19, so as to be forced both against the outer periphery 9 and against an inner wall 21 of this channel 19.
  • These rings are preferably made of metal.
  • a second ring 22 is provided.
  • This second ring 22 is preferably mounted above the flange 18, and preferably inserted in force between an outer periphery 23 of the conductive insert 16 and the inner wall 14 of the housing 2.
  • the continuity mass is ensured between the outer periphery 9 of the contact 3 and the wall inner 14 of the housing 2 through the first ring 20, the insert conductor 16 and the second ring 22.
  • the connector 1 preferably comprises an insulator 24 at the level of the connection front face 5. Indeed, once the conductive insert 16, the first ring 20 and the second ring 22 in place to ensure the mass continuity, we then fill the space still free on the side of the face before connection 5 with epoxy glue.
  • This layer of epoxy glue 24 is arranged so that only the end 17 of contact 3 protrudes the connection front face 5. This end 17 conveys the electrical signal main, and is a continuation of the inner periphery 7. Furthermore, the outer periphery conductor 9 ends inside the insert 16. And even the insulating intermediate layer ends at the layer insulating 24.
  • Figure 3 shows a first embodiment of the connection allowing mass continuity between the outer periphery 9 and the wall inner 14 of the housing 2, wherein the first ring 20 has according to a transverse section plane, a circular section.
  • the two rings 20 and 22 have a same circular section.
  • the first ring 20 and or the second ring 22 have, according to a cutting plane longitudinal, a section in the shape of a truncated circle, or semicircle, or half oval.
  • the semicircle can be hollowed out. Alternatively, this semicircle may be full.
  • FIG. 5 presents a top view of an embodiment of the ring 22, this ring being closed and truncated according to a cutting plane transverse, thus giving it the shape of a truncated torus, possibly semicircle, and presenting a full interior.
  • the first ring 20 and / or the second ring 22 can be open rings.
  • the open ring is also a truncated ring according to a plane perpendicular to a connection axis 25 of the connector 1. And in the example shown in Figure 6, this open, truncated ring also has a partially hollowed out interior.
  • a truncation surface 26 is preferably oriented towards the connection front face 5 for facilitate the insertion of this ring into the insert 16, either inside a channel 19, or around the collar 18.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Contacts (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)
  • Seal Device For Vehicle (AREA)
  • Vehicle Body Suspensions (AREA)
  • Conductive Materials (AREA)

Abstract

The connector (1) has a container (2) and a coaxial contact (3) connected to a coaxial cable. An isolator (10,12) retains the contact in the container. A first ring (20) and second ring (22) surround an insert (17) pushing against the interior wall (14) of the container.

Description

La présente invention a pour objet une liaison de continuité électrique. Elle trouve plus particulièrement son utilisation dans le domaine des connecteurs prévus pour recevoir des câbles coaxiaux pour lesquels une continuité de la masse doit être assurée. Notamment elle trouve une application dans des connecteurs prévus pour être montés sur des dispositifs embarqués, par exemple à l'arrière de tableaux de bord d'avion. En effet, on prévoit, à bord des avions, des dispositifs électriques et électroniques devant être alimentés en permanence et correctement connectés entre eux. Mais, un tel environnement aéronautique crée des vibrations importantes au niveau de chacun de ces dispositifs. Des micro-coupures ne peuvent pas être tolérées dans un tel environnement. L'intérêt de l'invention est de proposer un connecteur garantissant une connexion efficace même en présence de vibrations.The present invention relates to an electrical continuity link. It finds more particularly its use in the field of connectors designed to receive coaxial cables for which a continuity of the mass must be ensured. In particular, she finds a application in connectors intended to be mounted on devices on board, for example at the rear of aircraft dashboards. Indeed, we provides, on board aircraft, electrical and electronic devices in front be permanently powered and properly connected to each other. But, such an aeronautical environment creates significant vibrations at the level of each of these devices. Micro-cuts cannot be tolerated in such an environment. The advantage of the invention is to propose a connector ensuring an efficient connection even in the presence of vibration.

Dans l'état de la technique, on connaít de l'enseignement du document US-A-5,816, 864, un connecteur comportant un contact métallique s'étendant au travers d'un corps isolant du connecteur. Le contact reçoit d'une part un câble et présente d'autre part une extrémité de connexion. Plus particulièrement, le contact est disposé dans un canal du corps isolant dans lequel il est retenu par le biais d'un verrou élastique. Ce verrou élastique est par exemple constitué par des languettes élastiques s'écartant du tronc du contact pour venir en butée contre un renfoncement intérieur du canal. Ainsi on assure une connexion mécanique et électrique du contact avec le boítier. Le verrou élastique peut par exemple être présenté sur un insert monté autour du contact.In the state of the art, we know from the teaching of document US-A-5,816,864, a connector comprising a metal contact extending through an insulating body of the connector. Contact receives on the one hand a cable and on the other hand has a connection end. More in particular, the contact is arranged in a channel of the insulating body in which it is retained by means of an elastic lock. This elastic lock is for example constituted by elastic tongues deviating from the trunk of the contact to come into abutment against an interior recess in the channel. So it provides a mechanical and electrical connection of the contact with the housing. The elastic lock can for example be presented on a mounted insert around the contact.

Dans l'état de la technique, on connaít également un connecteur comportant des câbles montés dans des contacts coaxiaux, chaque contact étant disposé dans un support isolant retenu à l'intérieur d'un boítier du connecteur. Une connexion électrique entre un pourtour extérieur de chacun de ces contacts et le boítier est réalisée par l'intermédiaire d'une plaquette conductrice, disposée perpendiculairement à un axe de connexion du contact. En effet, cette plaquette comporte des trous pour laisser passer les contacts, et a d'autre part une dimension équivalante à celle du boítier du connecteur. Ainsi, elle vient directement au contact du boítier par un pourtour extérieur. La plaque conductrice vient préférentiellement se connecter avec les contacts par le biais de pattes élastiques disposées sur un pourtour intérieur des trous laissant passer ces contacts. Pour chaque trou, les pattes élastiques du trou s'orientent en direction d'un centre de ce trou, de manière à ce que lorsqu'on insère le contact dans un tel trou, les pattes sont contraintes sur un pourtour extérieur du contact.In the prior art, there is also a connector comprising cables mounted in coaxial contacts, each contact being arranged in an insulating support retained inside a housing of the connector. An electrical connection between an outer perimeter of each of these contacts and the housing is produced by means of a plate conductive, arranged perpendicular to a connection axis of the contact. Indeed, this plate has holes to let the contacts, and on the other hand has a dimension equivalent to that of the housing of the connector. Thus, it comes directly into contact with the housing by a periphery outside. The conductive plate preferably comes to connect with the contacts by means of elastic tabs arranged on a periphery inside the holes allowing these contacts to pass. For each hole, the legs elastic of the hole are oriented towards a center of this hole, so that when the contact is inserted into such a hole, the tabs are constraints on an outside periphery of the contact.

Une telle plaquette est obtenue par usinage. En effet, on découpe cette plaquette de manière à former une "dentelle" de pattes (sur chaque pourtour intérieur de chaque trou). Ensuite il est nécessaire de courber légèrement dans une même direction chacune de ces pattes pour obtenir des pattes élastiques pouvant être contraintes.Such a plate is obtained by machining. Indeed, we cut this plate so as to form a "lace" of legs (on each inner circumference of each hole). Then it is necessary to bend slightly in the same direction each of these legs to obtain elastic legs which can be constrained.

Les connecteurs de l'état de la technique posent un problème. En effet, le problème principal posé par ces connecteurs est que lorsqu'ils sont utilisés dans des dispositifs soumis à des régimes vibratoires importants, les connexions sont elles-mêmes soumises à des microcoupures. Or ces microcoupures ne peuvent être tolérées dans la mesure où les dispositifs embarqués doivent rester efficaces quoi qu'il arrive. De plus, ce risque de microcoupures est accentué dans le domaine des connecteurs pour câbles coaxiaux dans la mesure où il y a deux connexions à assurer. En effet, d'une part une connexion doit être assurée entre l'âme du câble et le contact, et d'autre part une connexion doit être assurée entre une tresse extérieure du câble et un pourtour extérieur du connecteur assurant lui aussi la continuité de masse.Connectors of the prior art pose a problem. In indeed, the main problem with these connectors is that when they are used in devices subject to significant vibration regimes, the connections are themselves subject to micro-cuts. Now these micro-cuts cannot be tolerated insofar as the devices onboard must remain efficient no matter what. In addition, this risk of micro cuts is accentuated in the field of cable connectors coaxial since there are two connections to be made. Indeed, from except a connection must be ensured between the cable core and the contact, and on the other hand, a connection must be ensured between an outer braid of the cable and an outer periphery of the connector also ensuring continuity massive.

De plus, même si la structure en forme de plaquette permet de limiter le nombre de microcoupures, celle-ci pose un problème, dans la mesure où il est difficile et cher de la fabriquer. De plus, cette plaquette est extrêmement fragile et nécessite de prendre beaucoup de précaution lors de sa manutention.In addition, even if the wafer-like structure makes it possible to limit the number of micro-cuts, this poses a problem, insofar as it is difficult and expensive to make. In addition, this brochure is extremely fragile and requires taking great care when handling.

L'invention a pour objet de remédier aux problèmes cités en proposant une liaison assurant la continuité de masse. La solution apportée par l'invention comporte un connecteur comportant un boítier et un substrat dans ce boítier, tel qu'un contact de ce connecteur traverse le substrat pour présenter d'une part une extrémité câblable, et d'autre part une extrémité de connexion. Le connecteur est plus particulièrement prévu pour recevoir un câble coaxial. A cet effet, le contact comporte un pourtour intérieur pour venir au contact de la l'âme du câble, une couche intermédiaire isolante pour séparer le pourtour intérieur du contact d'un pourtour extérieur conducteur de ce même contact. Le pourtour extérieur conducteur du contact est prévu pour être mis en relation avec une tresse de masse du câble. Ainsi le contact assure la double conduction: conduction du signal principal et conduction du signal de masse. Pour assurer la continuité de masse tout le long du connecteur, il est nécessaire de prévoir que la masse soit conduite depuis la tresse du câble vers le boítier du connecteur. En effet, le boítier du connecteur est facilement connecté avec le boítier d'un connecteur complémentaire pour assurer ainsi la continuité de la masse au niveau de la zone de connexion des contacts avec leurs contacts complémentaires.The object of the invention is to remedy the problems cited by proposing a link ensuring continuity of mass. The solution provided by the invention comprises a connector comprising a housing and a substrate in this housing, such as a contact of this connector passes through the substrate to present on the one hand a cable end, and on the other hand an end of connection. The connector is more particularly intended to receive a coaxial cable. For this purpose, the contact has an inner circumference to come in contact with the core of the cable, an insulating intermediate layer for separate the inner perimeter of the contact from a conductive outer perimeter of that same contact. The conductive outer periphery of the contact is provided for be connected to a ground braid of the cable. So the contact provides double conduction: conduction of the main signal and conduction of mass signal. To ensure mass continuity all along the connector, it is necessary to provide that the earth is conducted from the braid of the cable to the connector box. Indeed, the case of the connector is easily connected with the housing of a connector complementary to thus ensure the continuity of the mass at the level of the connection area for contacts with their complementary contacts.

Pour retenir un tel contact à l'intérieur du boítier, il est nécessaire de disposer ce contact dans un support isolant à l'intérieur du boítier. Dans ce cas, le pourtour extérieur du contact qui est lui-même en connexion avec la tresse du câble n'est pas connecté directement avec le boítier du connecteur. La continuité de masse est à ce stade pas encore assurée. C'est pourquoi l'invention prévoit que la continuité de masse soit assurée par le biais d'un élément intermédiaire disposé entre le contact et un pourtour intérieur du boítier. Cet élément intermédiaire est préférentiellement connecté avec d'une part un premier anneau et d'autre part un deuxième anneau. En effet, l'invention prévoit particulièrement que le contact soit entouré du premier anneau conducteur de telle sorte que cet anneau conducteur soit en contact électrique avec le pourtour extérieur du contact véhiculant le contact de masse. A cet effet, le premier anneau est lui-même mis en contact avec l'élément intermédiaire. L'élément intermédiaire est de plus en contact par intermédiaire du deuxième anneau avec le pourtour intérieur du boítier. La continuité de la masse est ainsi assurée depuis le pourtour extérieur du contact jusqu'à la paroi intérieure du boítier.To retain such contact inside the housing, it is necessary to arrange this contact in an insulating support inside the case. In this case, the outer periphery of the contact which is itself in connection with the cable braid is not connected directly to the box connector. Mass continuity is not yet assured at this stage. It is why the invention provides that continuity of mass is ensured by the bias of an intermediate element disposed between the contact and a periphery inside of the case. This intermediate element is preferably connected with on the one hand a first ring and on the other hand a second ring. Indeed, the invention particularly provides that the contact is surrounded by the first conductive ring so that this ring conductor is in electrical contact with the outer periphery of the contact conveying the mass contact. For this purpose, the first ring is itself brought into contact with the intermediate element. The intermediate element is no longer in contact through the second ring with the perimeter inside of the case. The continuity of the mass is thus ensured from the outer periphery of the contact up to the inner wall of the housing.

L'avantage présenté par l'invention est qu'elle propose un moyen d'assurer la continuité de la masse simple, facile à mettre en oeuvre, en donnant des meilleurs résultats vis-à-vis de l'apparition de micro-coupures des signaux électriques véhiculés. En effet, dans un mode de réalisation préféré, on prévoit de contraindre les anneaux de telle sorte que le contact 3 est entouré sur son pourtour extérieur par un premier anneau, tel que cet anneau est contraint dans un canal de l'élément intermédiaire. Et un deuxième anneau monté autour d'un pourtour extérieur de l'élément intermédiaire, est contraint entre le pourtour intérieur du boítier et l'élément intermédiaire. Ainsi, le contact est garanti, et la continuité de masse aussi. De plus, la réalisation de ces anneaux est facile : ils sont de structure simple. Et ils peuvent être facilement usinés.The advantage presented by the invention is that it offers a means to ensure the continuity of the simple mass, easy to implement, by giving better results with regard to the appearance of micro-cuts electrical signals conveyed. Indeed, in one embodiment preferred, provision is made to constrain the rings so that contact 3 is surrounded on its outer periphery by a first ring, such that this ring is constrained in a channel of the intermediate element. And one second ring mounted around an outer periphery of the element intermediate, is constrained between the inside periphery of the case and the element intermediate. Thus, contact is guaranteed, and mass continuity too. In addition, the production of these rings is easy: they are of simple structure. And they can be easily machined.

L'invention concerne donc un connecteur comportant un boítier, un contact coaxial pouvant être connecté à un câble coaxial, un isolant pour retenir ce contact dans le boítier, un moyen pour assurer une connexion entre une tresse de masse du câble et le boítier, caractérisé en ce que le moyen comporte un premier anneau monté autour du contact, un insert conducteur traversé par le contact entouré de l'anneau, et un deuxième anneau entourant l'insert et appuyé contre une paroi intérieure du boítier.The invention therefore relates to a connector comprising a housing, a coaxial contact can be connected to a coaxial cable, an insulator for retain this contact in the housing, a means to ensure a connection between a ground braid of the cable and the housing, characterized in that the medium includes a first ring mounted around the contact, an insert conductor crossed by the contact surrounded by the ring, and a second ring surrounding the insert and pressed against an interior wall of the housing.

L'invention sera mieux comprise à la lecture de la description qui suit et à l'examen des figures qui l'accompagnent. Celles-ci ne sont présentées qu'à titre indicatif et nullement limitatif de l'invention. Les figures montrent :

  • Figure 1 : Une vue en coupe longitudinale d'un connecteur selon l'invention ;
  • Figure 2 : Une vue de dessus d'un élément intermédiaire d'un connecteur selon l'invention ;
  • Figure 3 : Une vue en coupe longitudinale d'une portion du connecteur selon l'invention ;
  • Figure 4 : Une vue en coupe longitudinale d'un deuxième mode de réalisation de cette portion du connecteur selon l'invention ;
  • Figure 5 : Une vue de dessus d'un anneau d'un connecteur selon l'invention ;
  • Figure 6 : Une vue de dessus d'un deuxième mode de réalisation d'un anneau d'un connecteur selon l'invention.
The invention will be better understood on reading the description which follows and on examining the figures which accompany it. These are presented for information only and in no way limit the invention. The figures show:
  • Figure 1: A longitudinal sectional view of a connector according to the invention;
  • Figure 2: A top view of an intermediate element of a connector according to the invention;
  • Figure 3: A longitudinal sectional view of a portion of the connector according to the invention;
  • Figure 4: A longitudinal sectional view of a second embodiment of this portion of the connector according to the invention;
  • Figure 5: A top view of a ring of a connector according to the invention;
  • Figure 6: A top view of a second embodiment of a ring of a connector according to the invention.

La figure 1 montre un connecteur 1 selon l'invention. Le connecteur 1 comporte un boítier 2 dans lequel est disposé un contact 3. Le contact 3 est prévu pour recevoir préférentiellement un câble coaxial (non représenté). En effet, le connecteur 1 comporte une première face 4 de câblage et une deuxième face 5 de connexion. Le câble coaxial est donc introduit dans le connecteur 1 depuis la face de câblage 4, de manière à être connecté avec le contact 3. Un câble coaxial comporte généralement une âme intérieure véhiculant un signal électrique, cette âme étant entourée d'une gaine isolante, et d'une tresse métallique sur un pourtour extérieur de la gaine isolante. La tresse métallique permet de véhiculer un signal de masse.Figure 1 shows a connector 1 according to the invention. Connector 1 has a housing 2 in which is disposed a contact 3. The contact 3 is designed to preferably receive a coaxial cable (not shown). In Indeed, the connector 1 has a first side 4 of wiring and a second connection side 5. The coaxial cable is therefore introduced into the connector 1 from wiring face 4, so as to be connected with contact 3. A coaxial cable generally has an inner core conveying an electrical signal, this core being surrounded by a sheath insulating, and a metal braid on an outer periphery of the sheath insulating. The metal braid is used to convey a ground signal.

Au niveau de la face de câblage 4, le contact 3 présente une douille 6 pour recevoir le câble. Cette douille 6 est prévue de telle sorte quelle comporte un pourtour intérieur 7 conducteur pouvant être connecté avec l'âme du câble. Le contact 3 comporte une couche intermédiaire isolante 8 entourant le pourtour intérieur 7. Enfin, le contact 3 comporte un pourtour extérieur 9 conducteur pour venir en contact avec la tresse de masse du câble. La couche intermédiaire 8 permet d'isoler le pourtour intérieur 7 du pourtour extérieur 9. Ainsi le signal électrique principal peut être séparé du signal de masse. Cette structure du contact 3 permet donc d'assurer la continuité de masse au niveau de la connexion d'une tresse de masse d'un câble coaxial sur un contact coaxial.At the wiring face 4, the contact 3 has a socket 6 to receive the cable. This socket 6 is provided so that has a 7 conductor inner circumference which can be connected with the cable core. Contact 3 includes an insulating intermediate layer 8 surrounding the inner periphery 7. Finally, the contact 3 has a circumference outer 9 conductor to come into contact with the ground braid of the cable. The intermediate layer 8 makes it possible to isolate the inner periphery 7 of the outer edge 9. Thus the main electrical signal can be separated from the mass signal. This structure of contact 3 therefore ensures the ground continuity at the connection of a ground braid of a coaxial cable on a coaxial contact.

Le contact 3 est de préférence montée dans un support isolant 10 de manière à être retenu à l'intérieur d'une cavité 11 du boítier 2. Cet isolant 10 est retenu du coté de la face de câblage 4 par une plaque isolante 12 coopérant avec un décrochement 13 d'un pourtour intérieur 14 de la cavité 11. L'isolant 10 ainsi que la plaque isolante 12 comportent des canaux pour laisser passer les contacts 3. Les contacts 3 sont retenus dans ces canaux, au niveau de la face de câblage 4 par une coopération entre le pourtour extérieur 9 et un pourtour intérieur des canaux formés respectivement dans l'isolant 10 et la plaque isolante 12. Le contact 3 est disposé dans cet isolant 10 et respectivement dans cette plaque 12 de telle sorte qu'une certaine longueur du contact 3 dépasse depuis une surface arrière 15 de la plaque isolante 12, de manière à être tendu en direction de la face de câblage 4.The contact 3 is preferably mounted in an insulating support 10 of so as to be retained inside a cavity 11 of the housing 2. This insulator 10 is retained on the side of the wiring face 4 by an insulating plate 12 cooperating with a recess 13 of an inner periphery 14 of the cavity 11. The insulator 10 and the insulating plate 12 have channels for let the contacts pass through 3. The contacts 3 are retained in these channels, at the wiring face 4 by cooperation between the periphery outer 9 and an inner periphery of the channels formed respectively in the insulator 10 and the insulating plate 12. The contact 3 is arranged in this insulator 10 and respectively in this plate 12 so that a certain length of contact 3 protrudes from a rear surface 15 of the plate insulating 12, so as to be stretched in the direction of the wiring face 4.

Le connecteur 1 comporte un insert conducteur 16. Cet insert 16 est monté dans la cavité 11 en étant inséré depuis la face avant de connexion 5. Cet insert 16 comporte au moins un canal pour laisser passer le contact 3 et ainsi autoriser le dépassement d'une extrémité 17 du contact 3 du coté de la face avant de connexion 5. L'insert 16 est un élément intermédiaire conducteur pour assurer la continuité de la masse. L'insert 16 comporte une collerette extérieure 18. Cette collerette extérieure 18 présente un pourtour extérieur d'une géométrie complémentaire d'une géométrie de la paroi intérieure 14. Dans une partie centrale, intérieure à cette collerette 18, l'insert 16 a une épaisseur plus grande. Dans cette épaisseur plus grande sont formés des canaux 19 pour laisser passer des contacts tel que 3.The connector 1 includes a conductive insert 16. This insert 16 is mounted in the cavity 11 by being inserted from the front connection face 5. This insert 16 has at least one channel for passing contact 3 and thus authorize the passing of one end 17 of contact 3 on the side of the connection front face 5. The insert 16 is an intermediate element conductor to ensure earth continuity. The insert 16 includes a outer collar 18. This outer collar 18 has a periphery exterior of a geometry complementary to a geometry of the wall interior 14. In a central part, interior to this collar 18, the insert 16 has a greater thickness. In this greater thickness are formed of channels 19 to allow contacts such as 3 to pass.

La figure 2 montre un mode de réalisation d'un insert 16 selon l'invention. Dans ce mode de réalisation, l'insert 16 comporte préférentiellement plusieurs canaux 19 pour permettre de laisser passer plusieurs contacts tels que 3.Figure 2 shows an embodiment of an insert 16 according to the invention. In this embodiment, the insert 16 comprises preferably several channels 19 to allow passage multiple contacts such as 3.

Pour garantir la qualité d'une connexion conductrice entre le pourtour extérieur 9 du contact 3 et l'insert conducteur 16, on dispose un premier anneau 20 autour du contact 3. Cet anneau 20 est disposé de telle sorte qu'il vient s'enfoncer à l'intérieur du canal 19. Dans un mode de réalisation préféré, le premier anneau 20 est monté en force autour du contact 3 et dans le canal 19, de manière à être contraint à la fois contre le pourtour extérieur 9 et contre une paroi intérieure 21 de ce canal 19. Ces anneaux sont préférentiellement réalisés en métal.To guarantee the quality of a conductive connection between the perimeter outside 9 of contact 3 and conductive insert 16, there is a first ring 20 around contact 3. This ring 20 is arranged so that it sinks inside the channel 19. In one embodiment preferred, the first ring 20 is forcibly mounted around the contact 3 and in the channel 19, so as to be forced both against the outer periphery 9 and against an inner wall 21 of this channel 19. These rings are preferably made of metal.

De plus, pour assurer un contact certain entre l'insert conducteur 16 et la paroi intérieure 14 du boítier 2, on prévoit un deuxième anneau 22. Ce deuxième anneau 22 est préférentiellement monté au-dessus de la collerette 18, et préférentiellement inséré en force entre un pourtour extérieur 23 de l'insert conducteur 16 et la paroi intérieure 14 du boítier 2. Ainsi, la continuité de masse est assurée entre le pourtour extérieur 9 du contact 3 et la paroi intérieure 14 du boítier 2 par l'intermédiaire du premier anneau 20, de l'insert conducteur 16 et du deuxième anneau 22.In addition, to ensure certain contact between the conductive insert 16 and the inner wall 14 of the housing 2, there is provided a second ring 22. This second ring 22 is preferably mounted above the flange 18, and preferably inserted in force between an outer periphery 23 of the conductive insert 16 and the inner wall 14 of the housing 2. Thus, the continuity mass is ensured between the outer periphery 9 of the contact 3 and the wall inner 14 of the housing 2 through the first ring 20, the insert conductor 16 and the second ring 22.

Le connecteur 1 comporte de préférence un isolant 24 au niveau de la face avant de connexion 5. En effet, une fois l'insert conducteur 16, le premier anneau 20 et le deuxième anneau 22 mis en place pour assurer la continuité de masse, on remplit alors l'espace encore libre du coté de la face avant de connexion 5 par une colle époxy. Cette couche de colle époxy 24 est disposée de telle sorte que seule l'extrémité 17 du contact 3 dépasse de la face avant de connexion 5. Cette extrémité 17 véhicule le signal électrique principal, et est dans la continuité du pourtour intérieur 7. Par ailleurs, le pourtour extérieur conducteur 9 se termine à l'intérieur de l'insert 16. Et de même la couche intermédiaire isolante se termine au niveau de la couche isolante 24.The connector 1 preferably comprises an insulator 24 at the level of the connection front face 5. Indeed, once the conductive insert 16, the first ring 20 and the second ring 22 in place to ensure the mass continuity, we then fill the space still free on the side of the face before connection 5 with epoxy glue. This layer of epoxy glue 24 is arranged so that only the end 17 of contact 3 protrudes the connection front face 5. This end 17 conveys the electrical signal main, and is a continuation of the inner periphery 7. Furthermore, the outer periphery conductor 9 ends inside the insert 16. And even the insulating intermediate layer ends at the layer insulating 24.

La figure 3 présente un premier mode de réalisation de la liaison permettant la continuité de masse entre le pourtour extérieur 9 et la paroi intérieure 14 du boítier 2, dans laquelle le premier anneau 20 présente selon un plan de coupe transversal, une section de forme circulaire. Dans l'exemple présenté figure 2, les deux anneaux 20 et 22 comportent une même section circulaire.Figure 3 shows a first embodiment of the connection allowing mass continuity between the outer periphery 9 and the wall inner 14 of the housing 2, wherein the first ring 20 has according to a transverse section plane, a circular section. In the example shown in Figure 2, the two rings 20 and 22 have a same circular section.

Cette section peut être pleine ou évidée en son centre, comme cela est présenté à la figure 3.This section can be full or hollowed out in the center, like this is shown in Figure 3.

Dans un deuxième mode de réalisation, présentée figure 3, le premier anneau 20 et ou le deuxième anneau 22 présentent, selon un plan de coupe longitudinale, une section en forme de cercle tronqué, ou de demi-cercle, ou de demi-ovale. Dans l'exemple présenté figure 3, le demi-cercle peut être évidé. Dans une variante, ce demi-cercle peut être plein.In a second embodiment, presented in FIG. 3, the first ring 20 and or the second ring 22 have, according to a cutting plane longitudinal, a section in the shape of a truncated circle, or semicircle, or half oval. In the example shown in Figure 3, the semicircle can be hollowed out. Alternatively, this semicircle may be full.

La figure 5 présente une vue de dessus d'un mode de réalisation de l'anneau 22, cet anneau étant fermé et tronqué selon un plan de coupe transversal, lui donnant ainsi une forme de tore tronqué, éventuellement de demi-cercle, et présentant un intérieur plein.FIG. 5 presents a top view of an embodiment of the ring 22, this ring being closed and truncated according to a cutting plane transverse, thus giving it the shape of a truncated torus, possibly semicircle, and presenting a full interior.

Dans un troisième mode de réalisation, le premier anneau 20 et/ou le deuxième anneau 22 peuvent être des anneaux ouverts. Dans l'exemple présenté figure 6, l'anneau ouvert est de plus un anneau tronqué selon un plan perpendiculaire à un axe de connexion 25 du connecteur 1. Et dans l'exemple présenté figure 6, cet anneau ouvert, tronqué, présente de plus un intérieur partiellement évidé.In a third embodiment, the first ring 20 and / or the second ring 22 can be open rings. In the example shown in Figure 6, the open ring is also a truncated ring according to a plane perpendicular to a connection axis 25 of the connector 1. And in the example shown in Figure 6, this open, truncated ring also has a partially hollowed out interior.

Dans le cas où un anneau présente une section tronquée selon un plan de coupe longitudinal, alors une surface de troncature 26 est préférentiellement orientée en direction de la face avant de connexion 5 pour faciliter l'insertion de cet anneau dans l'insert 16, soit à l'intérieur d'un canal 19, soit autour de la collerette 18.In the case where a ring has a section truncated according to a longitudinal section plane, then a truncation surface 26 is preferably oriented towards the connection front face 5 for facilitate the insertion of this ring into the insert 16, either inside a channel 19, or around the collar 18.

Claims (9)

Connecteur (1) comportant un boítier (2), un contact (3) coaxial pouvant être connecté à un câble coaxial, un isolant (10, 12) pour retenir ce contact dans le boítier, un moyen pour assurer une connexion entre une tresse de masse du câble et le boítier, caractérisé en ce que le moyen comporte un premier anneau (20) monté autour du contact, un insert conducteur (17) traversé par le contact entouré de l'anneau, et un deuxième anneau (22) entourant l'insert et appuyé contre une paroi intérieure (14) du boítier.Connector (1) comprising a housing (2), a coaxial contact (3) which can be connected to a coaxial cable, an insulator (10, 12) for retaining this contact in the housing, means for ensuring a connection between a braid of mass of the cable and the housing, characterized in that the means comprises a first ring (20) mounted around the contact, a conductive insert (17) traversed by the contact surrounded by the ring, and a second ring (22) surrounding the 'insert and pressed against an inner wall (14) of the housing. Connecteur selon la revendication 1 caractérisé en ce que le contact coaxial comporte une pourtour intérieur (7) conducteur pour venir au contact d'une âme conductrice du câble, une couche intermédiaire isolante (8), et un pourtour extérieur (9) pour venir au contact de la tresse de masse du câble.Connector according to Claim 1, characterized in that the coaxial contact comprises an inner circumference (7) which is conductive for coming into contact with a conductive core of the cable, an insulating intermediate layer (8), and an outer circumference (9) for coming to the contact of the cable earth braid. Connecteur selon l'une des revendications 1 à 2 caractérisé en ce que le premier anneau est inséré en force entre le contact et un canal (19) de l'insert laissant passer le contact.Connector according to one of claims 1 to 2 characterized in that the first ring is forcibly inserted between the contact and a channel (19) of the insert allowing the contact to pass. Connecteur selon l'une des revendications 1 à 3 caractérisé en ce que le deuxième anneau est inséré en force entre l'insert et la paroi intérieure du boítier.Connector according to one of claims 1 to 3 characterized in that the second ring is forcibly inserted between the insert and the inner wall of the housing. Connecteur selon l'une des revendications 1 à 4 caractérisé en ce qu'au moins un anneau comporte une section pleine, circulaire ou ovale, selon un plan de coupe longitudinal.Connector according to one of Claims 1 to 4, characterized in that at least one ring has a solid section, circular or oval, along a longitudinal cutting plane. Connecteur selon l'une des revendications 1 à 5 caractérisé en ce qu'au moins un anneau comporte une section évidée en son centre selon un plan de coupe longitudinal.Connector according to one of Claims 1 to 5, characterized in that at least one ring has a section hollowed out at its center along a longitudinal cutting plane. Connecteur selon l'une des revendications 1 à 6 caractérisé en ce qu'au moins un anneau est tronqué perpendiculairement à un axe de connexion (25) du connecteur.Connector according to one of Claims 1 to 6, characterized in that at least one ring is truncated perpendicular to a connection axis (25) of the connector. Connecteur selon l'une des revendications 1 à 7 caractérisé en ce qu'au moins un anneau est ouvert.Connector according to one of Claims 1 to 7, characterized in that at least one ring is open. Connecteur selon l'une des revendications 1 à 8 caractérisé en ce que les anneaux sont métalliques.Connector according to one of Claims 1 to 8, characterized in that the rings are metallic.
EP02100708A 2001-06-21 2002-06-13 Electrical connection Expired - Lifetime EP1271710B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0108217A FR2826514B1 (en) 2001-06-21 2001-06-21 ELECTRIC CONTINUITY LINK
FR0108217 2001-06-21

Publications (2)

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EP1271710A1 true EP1271710A1 (en) 2003-01-02
EP1271710B1 EP1271710B1 (en) 2003-11-26

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ID=8864629

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Application Number Title Priority Date Filing Date
EP02100708A Expired - Lifetime EP1271710B1 (en) 2001-06-21 2002-06-13 Electrical connection

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EP (1) EP1271710B1 (en)
AT (1) ATE255289T1 (en)
DE (1) DE60200100T2 (en)
FR (1) FR2826514B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569915A (en) * 1968-09-16 1971-03-09 Itt Grounding foil
US3825874A (en) * 1973-07-05 1974-07-23 Itt Electrical connector
US4382653A (en) * 1980-12-04 1983-05-10 Avco Corporation Connector
US4598969A (en) * 1984-12-12 1986-07-08 Automation Industries, Inc. Termination means

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569915A (en) * 1968-09-16 1971-03-09 Itt Grounding foil
US3825874A (en) * 1973-07-05 1974-07-23 Itt Electrical connector
US4382653A (en) * 1980-12-04 1983-05-10 Avco Corporation Connector
US4598969A (en) * 1984-12-12 1986-07-08 Automation Industries, Inc. Termination means

Also Published As

Publication number Publication date
DE60200100T2 (en) 2004-08-19
FR2826514B1 (en) 2003-10-17
EP1271710B1 (en) 2003-11-26
ATE255289T1 (en) 2003-12-15
DE60200100D1 (en) 2004-01-08
FR2826514A1 (en) 2002-12-27

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