EP0058580B1 - Electrical connector with simple locking means - Google Patents

Electrical connector with simple locking means Download PDF

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Publication number
EP0058580B1
EP0058580B1 EP19820400063 EP82400063A EP0058580B1 EP 0058580 B1 EP0058580 B1 EP 0058580B1 EP 19820400063 EP19820400063 EP 19820400063 EP 82400063 A EP82400063 A EP 82400063A EP 0058580 B1 EP0058580 B1 EP 0058580B1
Authority
EP
European Patent Office
Prior art keywords
skirt
electrically
connector according
conductor
locking means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP19820400063
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German (de)
French (fr)
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EP0058580A1 (en
Inventor
Georges Melet
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
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Commissariat a lEnergie Atomique CEA
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Publication of EP0058580A1 publication Critical patent/EP0058580A1/en
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Publication of EP0058580B1 publication Critical patent/EP0058580B1/en
Expired legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0521—Connection to outer conductor by action of a nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/625—Casing or ring with bayonet engagement
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances

Definitions

  • the present invention relates to electrical connectors.
  • a connector in particular of the coaxial type, which can be locked easily and effectively by simple operations such as those permitted by the remote manipulators, while guaranteeing good sealing and good electrical continuity, so that it can be used. in a corrosive or radioactive atmosphere.
  • screw-type connectors are very widely used because the facing threads constitute, at the level of the external conductors, a large exchange surface making it possible to confine the electric field created by possible parasitic currents: there is only small vanishing lines at the ends of the threaded parts and it is avoided that parasitic voltages are created in the central conductor.
  • connectors fitted with a locking system with lugs which allows locking using a manipulator, but the facing surfaces at the connection between the external conductors are generally smaller and the protection less good parasites.
  • Document US-A-3 253 250 describes a connector of the screw type in which the external conductors are connected by means of a flexible cylindrical skirt penetrating between a rigid external skirt and an internal skirt.
  • the present invention relates to a connector which overcomes these drawbacks by allowing locking by a simple movement while ensuring good sealing, good electrical continuity and effective protection against parasites.
  • the connector object of the invention comprises, in known manner, a male part mounted at one end of a first coaxial conductor comprising an inner conductor and an outer conductor and a female part mounted at an end of a second coaxial conductor comprising a inner conductor and an outer conductor, the male part comprising a first electrical connection body electrically connected to the external conductor of the first coaxial conductor and the female part comprising a second electrical connection body electrically connected to the external conductor of the second coaxial conductor, the second body of electrical connection being able to cooperate with the first electrical connection body and comprising a first flexible conductive skirt which can be placed outside one end of the first electrical connection body, said end being of substantially annular shape.
  • the second electrical connection body also comprises a second flexible conductive skirt which can be placed inside said end of the first connection body and in contact with it, the second skirt being electrically connected to the first, the contact surface between the second flexible skirt and the end of the first connecting body being less than the contact surface between the first flexible skirt and said end, the contact resistance between the second skirt and the first body of connection thus being greater than the contact resistance between the latter and the first skirt, the second having a sufficient length to screen parasites created at the interface between the first skirt and said end of the first electrical connection body.
  • This arrangement promotes the external circulation of current because the contact resistance is much lower between the outer skirt and the first connecting body than between the latter and the inner skirt.
  • the latter plays the role of a protective screen vis-à-vis the central conductor by allowing the circulation of parasitic currents and their flow to ground. For this, it must not only be in electrical contact with the two connecting bodies of the male and female parts but also have a high contact resistance with one of the two connecting bodies to reduce the intensity of the currents which pass through it and limit disturbances on the central conductor.
  • the two skirts are split longitudinally.
  • this has the effect of spreading the flexible fingers or strips defined by the slots and as many contact points are obtained as there are fingers while with conductors made in one piece, there is a risk of having only one point of contact.
  • the connector comprises a first locking body corresponding to the male part cooperating with a second locking body corresponding to the female part, said locking bodies enveloping the electrical connection bodies and one of said locking bodies being connected by elastic means to the corresponding part of the connector.
  • the connector is seen in the locked position.
  • the male part 2 and the female part 6, of cylindrical shape, are crossed in their center by a first and a second coaxial conductors 4 and 8 respectively.
  • the first conductor 4 comprises in its center a wire 5 surrounded by an insulator 7, itself surrounded by a metal braid 9, the whole being surrounded by an insulating sheath 10.
  • the male part is made integral with the conductor 4 by means of a cable gland 24 surrounding the sheath 10 and coming to be placed at the end of the male part opposite to the female part: the cable gland 24 presses a seal 11 which is supported on the sheath 10 and on the male part 2 ensuring sealing at this end of the connector.
  • a cable gland 26 makes the female part 6 integral with the second conductor 8 and seals by means of the seal 13.
  • the male part comprises a first electrical connection body 12, one end 20 of which can come into contact with a second electrical connection body 14 secured to the female part.
  • the latter comprises two split skirts 16 and 18 between which the end 20 of the body 12 is placed.
  • FIG. 3a This system appears in more detail in FIG. 3a.
  • a conductive cylindrical body 15 can be seen, one end of which constitutes the first split skirt 16 while a second cylindrical part, fixed to the first skirt 16 and in electrical contact with it, constitutes the second split skirt 18.
  • the contact surface between the first skirt 16 and the first connecting body is larger than the contact surface between the latter and the second skirt 18.
  • the latter being in electrical contact with both the first skirt 16 and the first connecting body 12, it allows stray currents to flow to ground.
  • the contact resistance between this second skirt 18 and the body 12 is significantly greater than the contact resistance between the latter and the outer skirt 16, only a small part of the main current flows through the second skirt 18, which greatly reduces the disturbances induced at the central conductor.
  • the second skirt 18 must be in electrical contact both with the first connecting body 12 and with the second connecting body 14 because if one of its ends was free, it would behave like a antenna and the second skirt would no longer play its role of protective screen.
  • the electrical continuity of the central conductor is ensured in a conventional manner.
  • the wire 5 of the conductor 4 has at its end a male pin to which it is soldered and the central wire of the conductor 8 has at its end a female pin to which it is soldered.
  • the male pin enters the female pin, thus ensuring the electrical continuity necessary for the routing of the signal.
  • FIG. 2 schematically shows the locking system of the connector according to the invention.
  • the male part comprises a first locking body 28 provided with lugs such as 32 which can cooperate with slots such as 34 formed in a second locking body 30 located on the female part.
  • this second locking body 30 is movable relative to a part 40 integral with the female part: elastic means 31, in this case a spring, provide the connection between the parts 30 and 40.
  • Locking takes place as follows: a first fixed manipulator 43 (fig. 2) holds the female part by means of the locking body 30. A second manipulator 44 grasps the male part and approaches the female part until the front face 41 of the first locking body 28 comes to bear on the front face 42 of the part 40 by compressing the spring 31. The whole of the female part moves back by relative to the locking body 30 which remains fixed (fig. 3a and 3b).
  • the male part is given a rotational movement so that the pins 32 penetrate into the slots 34.
  • the shape of these is such that, during this operation, the male part moves back slightly, which allows the spring 31 to relax and apply the front face 42 of the part 40 on the front face 41 of the locking body 28.
  • a circular seal 36 located on the front face 41 of the body 28 seals this level of the connector.
  • the connector according to the invention has many advantages, starting with the ease and speed of locking, which makes it possible to carry out this operation using remote manipulators.
  • the electrical characteristics, tightness and immunity to parasites were the same as those of conventional screw connectors, which allows use in a hazardous, radioactive or corrosive for example.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Description

La présente invention a trait aux connecteurs électriques.The present invention relates to electrical connectors.

Plus précisément, elle a pour objet un connecteur, notamment de type coaxial, pouvant être verrouillé facilement et efficacement par des opérations simples telles que celles permises par les télémanipulateurs, tout en garantissant une bonne étanchéité et une bonne continuité électrique, afin de pouvoir être utilisé en atmosphère corrosive ou radioactive.More specifically, it relates to a connector, in particular of the coaxial type, which can be locked easily and effectively by simple operations such as those permitted by the remote manipulators, while guaranteeing good sealing and good electrical continuity, so that it can be used. in a corrosive or radioactive atmosphere.

Dans la pluspart des connecteurs coaxiaux utilisés actuellement, le verrouillage se fait par vissage de la partie mâle sur la partie femelle: si l'on voulait réaliser cette opération à l'aide-d'un télémanipulateur, le nombre de manoeuvres nécessaire serait extrêmement élevé, entraînant une importante perte de temps. L'utilisation de tels connecteurs en atmosphère dangereuse est donc difficilement envisageable.In most of the coaxial connectors currently used, the locking is done by screwing the male part onto the female part: if we wanted to carry out this operation using a manipulator, the number of operations required would be extremely high , resulting in a significant loss of time. The use of such connectors in a dangerous atmosphere is therefore difficult to envisage.

Cependant, les connecteurs de type vissé sont très largement employés car les filets en regard constituent, au niveau des conducteurs extérieurs, une grande surface d'échange permettant de confiner le champ électrique créé par d'éventuels courants parasites: il n'y a que de faibles lignes de fuite aux extrémités des parties filetées et on évite que des tensions parasites ne se créent dans le conducteur central.However, screw-type connectors are very widely used because the facing threads constitute, at the level of the external conductors, a large exchange surface making it possible to confine the electric field created by possible parasitic currents: there is only small vanishing lines at the ends of the threaded parts and it is avoided that parasitic voltages are created in the central conductor.

Il existe des connecteurs munis d'un système de verrouillage avec des ergots, ce qui permet le verrouillage à l'aide d'un télémanipulateur, mais les surfaces en regard au niveau de la liaison entre les conducteurs externes sont généralement plus petites et la protection contre les parasites moins bonne.There are connectors fitted with a locking system with lugs, which allows locking using a manipulator, but the facing surfaces at the connection between the external conductors are generally smaller and the protection less good parasites.

Le document US-A-3 253 250 décrit un connecteur du type à vissage dans lequel les conducteurs extérieurs sont reliés au moyen d'une jupe souple cylindrique pénétrant entre une jupe extérieure et une jupe intérieure rigides.Document US-A-3 253 250 describes a connector of the screw type in which the external conductors are connected by means of a flexible cylindrical skirt penetrating between a rigid external skirt and an internal skirt.

Cette disposition améliore le contact entre les différents éléments, mais la jupe intérieure n'est pas assez longue pour faire écran aux parasites créés à l'interface entre la jupe extérieure et la jupe souple.This arrangement improves the contact between the different elements, but the inner skirt is not long enough to screen parasites created at the interface between the outer skirt and the flexible skirt.

La présente invention ajustement pour objet un connecteur qui remédie à ces inconvénients en permettant le verrouillage par un mouvement simple tout en assurant une bonne étanchéité, une bonne continuité électrique et une protection efficace contre les parasites.The present invention relates to a connector which overcomes these drawbacks by allowing locking by a simple movement while ensuring good sealing, good electrical continuity and effective protection against parasites.

Le connecteur objet de l'invention comprend, de manière connue, une partie mâle montée à une extrémité d'un premier conducteur coaxial comprenant un conducteur intérieur et un conducteur extérieur et une partie femelle montée à une extrémité d'un deuxième conducteur coaxial comprenant un conducteur intérieur et un conducteur extérieur, la partie mâle comprenant un premier corps de liaison électrique relié électriquement au conducteur extérieur du premier conducteur coaxial et la partie femelle comprenant un deuxième corps de liaison électrique relié électriquement au conducteur extérieur du deuxième conducteur coaxial, le deuxième corps de liaison électrique étant apte à coopérer avec le premier corps de liaison électrique et comportant une première jupe souple conductrice pouvant venir se placer à l'extérieur d'une extrémité du premier corps de liaison électrique, ladite extrémité étant de forme sensiblement annulaire. Selon l'invention, le deuxième corps de liaison électrique comporte en outre une deuxième jupe souple conductrice pouvant venir se placer à l'intérieur de ladite extrémité du premier corps de liaison et en contact avec celle-ci, la deuxième jupe étant reliée électriquement à la première, la surface de contact entre la deuxième jupe souple et l'extrémité du premier corps de liaison étant inférieure à la surface de contact entre la première jupe souple et ladite extrémité, la résistance de contact entre la deuxième jupe et le premier corps de liaison étant ainsi plus importante que la résistance de contact entre celui-ci et la première jupe, la deuxième ayant une longueur suffisante pourfaire écran aux parasites créés à l'interface entre la première jupe et ladite extrémité du premier corps de liaison électrique.The connector object of the invention comprises, in known manner, a male part mounted at one end of a first coaxial conductor comprising an inner conductor and an outer conductor and a female part mounted at an end of a second coaxial conductor comprising a inner conductor and an outer conductor, the male part comprising a first electrical connection body electrically connected to the external conductor of the first coaxial conductor and the female part comprising a second electrical connection body electrically connected to the external conductor of the second coaxial conductor, the second body of electrical connection being able to cooperate with the first electrical connection body and comprising a first flexible conductive skirt which can be placed outside one end of the first electrical connection body, said end being of substantially annular shape. According to the invention, the second electrical connection body also comprises a second flexible conductive skirt which can be placed inside said end of the first connection body and in contact with it, the second skirt being electrically connected to the first, the contact surface between the second flexible skirt and the end of the first connecting body being less than the contact surface between the first flexible skirt and said end, the contact resistance between the second skirt and the first body of connection thus being greater than the contact resistance between the latter and the first skirt, the second having a sufficient length to screen parasites created at the interface between the first skirt and said end of the first electrical connection body.

Cette disposition favorise la circulation extérieure du courant car la résistance de contact est beaucoup plus faible entre la jupe extérieure et le premier corps de liaison qu'entre celui-ci et la jupe intérieure. Cette dernière joue le rôle d'un écran protecteur vis-à-vis du conducteur central en permettant la circulation des courants parasites et leur écoulement à la masse. Pour cela, elle doit non seulement être en contact électrique avec les deux corps de liaison des parties mâle et femelle mais encore présenter une grande résistance de contact avec l'un des deux corps de liaison pour diminuer l'intensité des courants qui la traversent et limiter les perturbations sur le conducteur central.This arrangement promotes the external circulation of current because the contact resistance is much lower between the outer skirt and the first connecting body than between the latter and the inner skirt. The latter plays the role of a protective screen vis-à-vis the central conductor by allowing the circulation of parasitic currents and their flow to ground. For this, it must not only be in electrical contact with the two connecting bodies of the male and female parts but also have a high contact resistance with one of the two connecting bodies to reduce the intensity of the currents which pass through it and limit disturbances on the central conductor.

Suivant une autre caractéristique du connecteur décrit ci-après, les deux jupes sont fendues longitudinalement. Ainsi, lorsque l'extrémité du premier corps de liaison pénètre à l'intérieur de la première jupe, ceci a pour effet d'écarter les doigts ou lamelles souples définis par les fentes et on obtient autant de points de contact qu'il y a de doigts alors qu'avec des conducteurs réalisés d'une seule pièce, on risque de n'avoir qu'un seul point de contact.According to another characteristic of the connector described below, the two skirts are split longitudinally. Thus, when the end of the first connecting body penetrates inside the first skirt, this has the effect of spreading the flexible fingers or strips defined by the slots and as many contact points are obtained as there are fingers while with conductors made in one piece, there is a risk of having only one point of contact.

L'utilisation d'un jonc élastique externe entourant la première jupe fendue améliore le contact en appliquant celle-ci sur le premier corps de liaison.The use of an external elastic ring surrounding the first split skirt improves the contact by applying the latter to the first connecting body.

Selon une autre caractéristique du connecteur objet de l'invention, celui-ci comprend un premier corps de verrouillage correspondant à la partie mâle coopérant avec un deuxième corps de verrouillage correspondant à la partie femelle, lesdits corps de verrouillage enveloppant les corps de liaison électrique et l'un desdits corps de verrouillage étant relié par des moyens élastiques à la partie correspondante du connecteur.According to another characteristic of the connector that is the subject of the invention, it comprises a first locking body corresponding to the male part cooperating with a second locking body corresponding to the female part, said locking bodies enveloping the electrical connection bodies and one of said locking bodies being connected by elastic means to the corresponding part of the connector.

L'invention sera mieux comprise à la lecture de la description qui va suivre d'un exemple de réalisation, description donnée à titre purement illustratif et nullement limitatif, en référence aux dessins annexés dans lesquels:

  • - la figure 1 est une vue schématique simplifiée, en coupe partielle, du connecteur selon l'invention,
  • - la figure 2 est une vue schématique simplifiée montrant le principe de verrouillage du connecteur selon l'invention,
  • - la figure 3a est une vue en coupe, plus détaillée, de la partie femelle du connecteur selon l'invention, et
  • - la figure 3b est une vue en coupe, plus détaillée, de la partie mâle du connecteur selon l'invention.
The invention will be better understood on reading the following description of an exemplary embodiment sation, description given purely by way of illustration and in no way limiting, with reference to the appended drawings in which:
  • FIG. 1 is a simplified schematic view, in partial section, of the connector according to the invention,
  • FIG. 2 is a simplified schematic view showing the principle of locking of the connector according to the invention,
  • FIG. 3a is a more detailed sectional view of the female part of the connector according to the invention, and
  • - Figure 3b is a more detailed sectional view of the male part of the connector according to the invention.

Sur le schéma simplifié de la figure 1, on voit le connecteur en position verrouillée. La partie mâle 2 et la partie femelle 6, de forme cylindrique, sont traversées en leur centre par un premier et un deuxième conducteurs coaxiaux 4 et 8 respectivement. Le premier conducteur 4 comprend en son centre un fil 5 entouré d'un isolant 7, lui-même entouré d'une tresse métallique 9, le tout étant entouré par une gaine isolante 10.In the simplified diagram of FIG. 1, the connector is seen in the locked position. The male part 2 and the female part 6, of cylindrical shape, are crossed in their center by a first and a second coaxial conductors 4 and 8 respectively. The first conductor 4 comprises in its center a wire 5 surrounded by an insulator 7, itself surrounded by a metal braid 9, the whole being surrounded by an insulating sheath 10.

La partie mâle est rendue solidaire du conducteur 4 au moyen d'un presse-étoupe 24 entourant la gaine 10 et venant se placer à l'extrémité de la partie mâle opposée à la partie femelle: le presse-étoupe 24 presse un joint 11 qui prend appui sur la gaine 10 et sur la partie mâle 2 assurant l'étanchéité à cette extrémité du connecteur.The male part is made integral with the conductor 4 by means of a cable gland 24 surrounding the sheath 10 and coming to be placed at the end of the male part opposite to the female part: the cable gland 24 presses a seal 11 which is supported on the sheath 10 and on the male part 2 ensuring sealing at this end of the connector.

De façon identique, un presse-étoupe 26 rend la partie femelle 6 solidaire du deuxième conducteur 8 et assure l'étanchéité au moyen du joint 13.Similarly, a cable gland 26 makes the female part 6 integral with the second conductor 8 and seals by means of the seal 13.

Toujours sur la figure 1, on voit que la partie mâle comprend un premier corps de liaison électrique 12 dont une éxtrémité 20 peut venir au contact d'un deuxième corps de liaison électrique 14 solidaire de la partie femelle. Ce dernier comporte deux jupes fendues 16 et 18 entre lesquelles vient se placer l'extrémité 20 du corps 12.Still in FIG. 1, it can be seen that the male part comprises a first electrical connection body 12, one end 20 of which can come into contact with a second electrical connection body 14 secured to the female part. The latter comprises two split skirts 16 and 18 between which the end 20 of the body 12 is placed.

Ce système apparaît plus en détail sur la fig. 3a. Sur cette figure, on voit un corps cylindrique conducteur 15 dont une extrémité constitue la première jupe fendue 16 tandis qu'une deuxième pièce cylindrique, fixée à la première jupe 16 et en contact électrique avec elle, constitue la deuxième jupe fendue 18.This system appears in more detail in FIG. 3a. In this figure, a conductive cylindrical body 15 can be seen, one end of which constitutes the first split skirt 16 while a second cylindrical part, fixed to the first skirt 16 and in electrical contact with it, constitutes the second split skirt 18.

On voit sur la figure que la surface de contact entre la première jupe 16 et le premier corps de liaison est plus grande que la surface de contact entre celui-ci et la deuxième jupe 18. Cette dernière étant en contact électrique à la fois avec la première jupe 16 et le premier corps de liaison 12, elle permet l'écoulement à la masse des courants parasites. Comme, de plus, la résistance de contact entre cette deuxième jupe 18 et le corps 12 est nettement plus importante que la résistance de contact entre celui-ci et la jupe extérieure 16, seule une faible partie du courant principal s'écoule à travers la deuxième jupe 18, ce qui diminue fortement les perturbations induites au niveau du conducteur central.It can be seen in the figure that the contact surface between the first skirt 16 and the first connecting body is larger than the contact surface between the latter and the second skirt 18. The latter being in electrical contact with both the first skirt 16 and the first connecting body 12, it allows stray currents to flow to ground. As, moreover, the contact resistance between this second skirt 18 and the body 12 is significantly greater than the contact resistance between the latter and the outer skirt 16, only a small part of the main current flows through the second skirt 18, which greatly reduces the disturbances induced at the central conductor.

Il est à noter que la deuxième jupe 18 doit être en contact électrique à la fois avec le premier corps de liaison 12 et avec le deuxième corps de liaison 14 car si l'une de ses extrémités était libre, celle-ci se comporterait comme une antenne et la deuxième jupe ne jouerait plus son rôle d'écran protecteur.It should be noted that the second skirt 18 must be in electrical contact both with the first connecting body 12 and with the second connecting body 14 because if one of its ends was free, it would behave like a antenna and the second skirt would no longer play its role of protective screen.

A droite de la figure 3a, on a représenté schématiquement les deux jupes vues suivant la flèche F de la figure. On voit que celles-ci sont munies de fentes longitudinales 17 définissant entre elles des doigts ou lamelles 19 rendant l'ensemble très souple. Lorsque l'extrémité 20 du corps 12 pénètre entre les pièces 16 et 18, elle écarte les lamelles 19 et on obtient autant de points de contact qu'il y a de lamelles alors qu'avec des éléments cylindriques non fendus, on risquerait de n'avoir qu'un seul point de contact. La présence d'un jonc externe 22 entourant la jupe 16 et l'appliquant sur l'extrémité 20 du corps de liaison 12 améliore le contact électrique entre ces pièces.To the right of Figure 3a, there is shown schematically the two skirts seen along arrow F in the figure. It can be seen that these are provided with longitudinal slots 17 defining between them fingers or strips 19 making the assembly very flexible. When the end 20 of the body 12 enters between the parts 16 and 18, it spreads the lamellae 19 and as many contact points are obtained as there are lamellae, whereas with unsplit cylindrical elements, there is a risk of n have only one point of contact. The presence of an external ring 22 surrounding the skirt 16 and applying it to the end 20 of the connecting body 12 improves the electrical contact between these parts.

Sur la figure 3b, on voit que, dans le mode de réalisation décrit ici, la tresse 9 du premier conducteur 4 est dénudée et est maintenue au contact d'une rondelle 21 par une bague de centrage 23, elle-même maintenue par un serre-câble 25: ce dispositif permet d'appuyer la rondelle 21 sur le premier corps de liaison électrique 12.In FIG. 3b, it can be seen that, in the embodiment described here, the braid 9 of the first conductor 4 is stripped and is held in contact with a washer 21 by a centering ring 23, itself held by a clamp cable 25: this device makes it possible to press the washer 21 on the first electrical connection body 12.

On trouve un système semblable côté femelle (figure 3a) avec un serre-câble 27, et une bague de centrage 29 appuyant la tresse 35 sur une pièce 39 elle-même en contact avec la jupe 18: la continuité électrique de l'ensemble est donc ainsi assurée.There is a similar system on the female side (FIG. 3a) with a cable clamp 27, and a centering ring 29 pressing the braid 35 on a part 39 itself in contact with the skirt 18: the electrical continuity of the assembly is thus thus assured.

La continuité électrique du conducteur central est assurée d'une manière classique. Le fil 5 du conducteur 4 possède à son extrémité une broche mâle à laquelle il est soudé et le fil central du conducteur 8 possède à son extrémité une broche femelle à laquelle il est soudé.The electrical continuity of the central conductor is ensured in a conventional manner. The wire 5 of the conductor 4 has at its end a male pin to which it is soldered and the central wire of the conductor 8 has at its end a female pin to which it is soldered.

Lors de l'opération de verrouillage des deux éléments constitutifs, la broche mâle pénètre dans la broche femelle, assurant ainsi la continuité électrique nécessaire à l'acheminement du signal.During the locking operation of the two constituent elements, the male pin enters the female pin, thus ensuring the electrical continuity necessary for the routing of the signal.

La figure 2 montre schématiquement le-système de verrouillage du connecteur selon l'invention. On voit que la partie mâle comprend un premier corps de verrouillage 28 muni d'ergots tels que 32 pouvant coopérer avec des fentes telles que 34 ménagées dans un deuxième corps de verrouillage 30 situé sur la partie femelle.FIG. 2 schematically shows the locking system of the connector according to the invention. It can be seen that the male part comprises a first locking body 28 provided with lugs such as 32 which can cooperate with slots such as 34 formed in a second locking body 30 located on the female part.

Sur la figure 3a, on voit que ce deuxième corps de verrouillage 30 est mobile par rapport à une pièce 40 solidaire de la partie femelle: des moyens élastiques 31, en l'occurrence un ressort, assurent la liaison entre les pièces 30 et 40.In FIG. 3a, it can be seen that this second locking body 30 is movable relative to a part 40 integral with the female part: elastic means 31, in this case a spring, provide the connection between the parts 30 and 40.

Le verrouillage s'effectue de la façon suivante: un premier manipulateur fixe 43 (fig. 2) maintient la partie femelle par l'intermédiaire du corps de verrouillage 30. Un second manipulateur 44 saisit la partie mâle et l'approche de la partie femelle jusqu'à ce que la face avant 41 du premier corps de verrouillage 28 vienne s'appliquer sur la face avant 42 de la pièce 40 en comprimant le ressort 31. L'ensemble de la partie femelle recule par rapport au corps de verrouillage 30 qui reste fixe (fig. 3a et 3b).Locking takes place as follows: a first fixed manipulator 43 (fig. 2) holds the female part by means of the locking body 30. A second manipulator 44 grasps the male part and approaches the female part until the front face 41 of the first locking body 28 comes to bear on the front face 42 of the part 40 by compressing the spring 31. The whole of the female part moves back by relative to the locking body 30 which remains fixed (fig. 3a and 3b).

Toujours à l'aide du second manipulateur, on imprime à la partie mâle un mouvement de rotation afin que les ergots 32 pénètrent dans les fentes 34. La forme de celles-ci est telle que, pendant cette opération, la partie mâle recule légèrement, ce qui permet au ressort 31 de se détendre et d'appliquer la face avant 42 de la pièce 40 sur la face avant 41 du corps de verrouillage 28. Un joint circulaire 36 situé sur la face avant 41 du corps 28 assure l'étanchéité à ce niveau du connecteur.Still using the second manipulator, the male part is given a rotational movement so that the pins 32 penetrate into the slots 34. The shape of these is such that, during this operation, the male part moves back slightly, which allows the spring 31 to relax and apply the front face 42 of the part 40 on the front face 41 of the locking body 28. A circular seal 36 located on the front face 41 of the body 28 seals this level of the connector.

A titre expérimental, on a réalisé un connecteur conforme à l'invention. Les premiers essais ont montré que les temps de verrouillage et de déverrouillage, avec télémanipulateur, étaient de l'ordre de 4 à 8 secondes alors qu'il faut plusieurs minutes avec les connecteurs classiques à vissage.As an experiment, a connector was produced in accordance with the invention. The first tests showed that the locking and unlocking times, with a remote manipulator, were of the order of 4 to 8 seconds, whereas it takes several minutes with conventional screw connectors.

Les essais électriques ont montré que l'immunité vis-à-vis des parasites industriels est pratiquement la même que celle des connecteurs classiques à vissage.Electrical tests have shown that immunity to industrial noise is almost the same as that of conventional screw connectors.

On a également réalisé des essais d'étanchéité: le connecteur est resté immergé pendant 8 heures sans qu'aucun phénomène de microclaquage (témoin de la pénétration de l'eau dans l'appareil) ait pu être décelé.Leakage tests were also carried out: the connector remained immersed for 8 hours without any phenomenon of micro-cracking (witnessing the penetration of water in the device) being detected.

On voit donc que le connecteur selon l'invention présente de nombreux avantages, à commencer par la facilité et la rapidité du verrouillage, ce qui permet de réaliser cette opération à l'aide de télémanipulateurs. D'autre part, on a pu constater que les caractéristiques électriques, l'étanchéité et l'immunité vis-à-vis des parasites étaient les mêmes que celles des connecteurs classiques à vissage, ce qui permet une utilisation en atmosphère dangereuse, radioactive ou corrosive par exemple.It can therefore be seen that the connector according to the invention has many advantages, starting with the ease and speed of locking, which makes it possible to carry out this operation using remote manipulators. On the other hand, it has been observed that the electrical characteristics, tightness and immunity to parasites were the same as those of conventional screw connectors, which allows use in a hazardous, radioactive or corrosive for example.

Enfin, si ce type de connecteur trouve sa principale applications dans les environnements hostiles, il est évidemment possible de les utiliser ailleurs, leur facilité de mise en oeuvre entraînant un gain de temps appréciable.Finally, if this type of connector finds its main applications in hostile environments, it is obviously possible to use them elsewhere, their ease of implementation resulting in an appreciable saving of time.

Claims (10)

1. Electrical connector of the type comprising a male member (2) mounted at one end of a first coaxial conductor (4) comprising an internal conductor (5) and an external conductor (9), and a female member (6) mounted at one end of a second coaxial conductor (8) comprising an inner conductor and an outer conductor (35), the male member comprising a first electrically-connecting body (12), electrically connected to the external conductor (9) of the first coaxial conductor (4), and the female member (6) comprising a second electrically-connecting body (14), electrically connected to the external conductor (35) of the second coaxial conductor (8), the second electrically-conducting body (14) being adapted to cooperate with the first electrically-conducting body (12) and comprising a first flexible conductive skirt (16) adapted to fit around one end (20) of the first electrically conductive body (12), said end (20) having substantially annular form, characterised. in that the second electrically-connecting body (14) additionally comprises a second flexible conductive skirt (18) adapted to fit inside the end (20) of the body (12) and in contact therewith, the second skirt (18) being electrically connected to the first skirt (16), the contact surface between the second flexible skirt (18) and the end (20) of body (12) being less than the contact surface between the first flexible skirt (16) and said end (20), the contact resistance between the second skirt (18) and the body (12) thereby being distinctly greater than the contact resistance between it and the first skirt (16), the second skirt (18) having a length sufficient to provide a screen against parasitic currents created at the interface between the first skirt (16) and the end (20) of the first electrically-connecting body (12).
2. Electrical connector according to claim 1, characterised in that the first and second flexible conductive skirts (16, 18) have longitudinal slits.
3. Electrical connector according to either of claims 1 and 2, characterised in that it comprises a retaining ring (22) surrounding the first flexible skirt (16) to force it against the end (20) of the body (12).
4. Electrical connector according to any one of claims 1 to 3, characterised in that the male member (2) and the female member (6) are fixed to the first and second conductors (4, 8) through two packing glands (24, 26) bearing on the insulating sheathes (10, 10A).
5. Electrical connector according to any one of claims 1 to 4, characterised in that said first and second electrically-connecting bodies (12, 14) are in electrical contact with the braiding of said first and second conductors (4, 8).
6. Electrical connector according to any one of claims 1 to 5, characterised in that it comprises a first locking means (28) associated with the male member (2) and cooperating with a second locking means (30) associated with the female member (6), said locking means (28, 30) enveloping the electrically-connecting bodies (12, 14) and one of said locking means being connected by elastic means (31) to the corresponding connector.
7. Connector according to claim 6, characterised in that one of the locking means (28) comprises pins (32) cooperating with slits (34) formed in the other locking means (30), said elastic means (31) being adapted to hold the pins (32) in the slits (34) after locking.
8. Connector according to either of claims 6 and 7, characterised in that said elastic means comprise at least one spring (31).
9. Connector according to any of claims 6 to 8, characterised in that it comprises means (36) providing a fluid-tightness between the first and second locking means (28, 30).
10. Connector according to claim 9, characterised in that said fluid-tightness means (36) comprise at least one O-ring.
EP19820400063 1981-01-16 1982-01-14 Electrical connector with simple locking means Expired EP0058580B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8100801 1981-01-16
FR8100801A FR2498382A1 (en) 1981-01-16 1981-01-16 ELECTRICAL CONNECTOR

Publications (2)

Publication Number Publication Date
EP0058580A1 EP0058580A1 (en) 1982-08-25
EP0058580B1 true EP0058580B1 (en) 1986-01-08

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ID=9254243

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Application Number Title Priority Date Filing Date
EP19820400063 Expired EP0058580B1 (en) 1981-01-16 1982-01-14 Electrical connector with simple locking means

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EP (1) EP0058580B1 (en)
DE (1) DE3268341D1 (en)
FR (1) FR2498382A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5021010A (en) * 1990-09-27 1991-06-04 Gte Products Corporation Soldered connector for a shielded coaxial cable
CA2085844A1 (en) * 1991-12-27 1993-06-28 Nobuyuki Hamanaka Fused benzeneoxyacetic acid derivatives

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH371164A (en) * 1959-07-14 1963-08-15 Standard Telephon & Radio Ag Coaxial connector
US3209287A (en) * 1960-08-09 1965-09-28 Bendix Corp Electrical coaxial cable connecting assembly with impedance matching
US3107135A (en) * 1961-04-10 1963-10-15 Automatic Metal Products Corp Electrical connectors for coaxial cables
US3253250A (en) * 1963-11-26 1966-05-24 Itt Electrical connector structure
US3332052A (en) * 1965-02-26 1967-07-18 United Carr Inc Electrical connector component with grounding crown contact

Also Published As

Publication number Publication date
FR2498382A1 (en) 1982-07-23
EP0058580A1 (en) 1982-08-25
FR2498382B1 (en) 1984-02-24
DE3268341D1 (en) 1986-02-20

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