EP2135326B1 - Conducting device for the electric contact of a conductor shielding sheath - Google Patents

Conducting device for the electric contact of a conductor shielding sheath Download PDF

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Publication number
EP2135326B1
EP2135326B1 EP08761858A EP08761858A EP2135326B1 EP 2135326 B1 EP2135326 B1 EP 2135326B1 EP 08761858 A EP08761858 A EP 08761858A EP 08761858 A EP08761858 A EP 08761858A EP 2135326 B1 EP2135326 B1 EP 2135326B1
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EP
European Patent Office
Prior art keywords
conductor
housing member
sheath
shielding
connection
Prior art date
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Active
Application number
EP08761858A
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German (de)
French (fr)
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EP2135326A1 (en
Inventor
Fabrice Bianchi
Arsène Schmidt
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ABB France SAS
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ABB France SAS
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Publication of EP2135326A1 publication Critical patent/EP2135326A1/en
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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
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2691—Clip-on terminal blocks for side-by-side rail- or strip-mounting with ground wire connection to the rail
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • 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
    • H01R9/0512—Connections to an additional grounding conductor
    • 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
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2483—Terminal blocks specially adapted for ground connection

Definitions

  • Such contact is made in known manner by a conductive element in the form of a conductive strip, which extends between a first end adjacent to a first connection terminal and a second end adjacent to a second connection terminal of the device. connecting, the sheath of the first conductor being fixed to the first end of the bar, and the sheath of the second conductor being fixed to the second end of the conductive bar.
  • the fixing modes mentioned above make it possible to obtain an electrical contact between the first and the second sheath.
  • the fact of welding and / or twisting the sheath adversely affects the quality of the continuity of the shielding achieved.
  • the object of the present invention is to allow an improvement of the shielding while allowing the use of known fastening methods.
  • the housing member comprises a bottom and two lateral branches extending obliquely relative to the bottom.
  • the connecting lug is made in a recess of the housing member.
  • the connecting lug is foldable relative to the housing member.
  • the means for holding the housing member in position on the conductor comprise at least a portion of the housing member which is intended to be crimped around the conductor.
  • the at least one portion to be crimped around the conductor is constituted by at least one end portion of a branch of the housing member.
  • This arrangement makes it possible not to use a crimping tool, but simply to carry out the maintenance in position manually.
  • This arrangement promotes electrical contact between the device and the shielding sheath of the driver.
  • the branches of the guide housing member comprise a profile having a positioning notch for the clamping collar.
  • the device comprises fixing means on the insulating body of the device.
  • This arrangement makes it possible to fix the device easily and without tools on a connection device comprising suitable openings.
  • the conductive element consisting of a bar
  • the at least one housing member are made in one piece.
  • This arrangement makes it easier to manufacture and also to ensure good quality electrical contact.
  • the present invention also relates to a low-voltage connection device comprising a device as described above.
  • the figure 1 is a perspective view of a device according to a first embodiment of the invention.
  • the figure 2 is a second perspective view of the device figure 1 , in a different orientation.
  • the figure 3 is a perspective view of a conductor connection apparatus according to the invention.
  • the figure 5 is a perspective view of the fastening means of a device according to the invention.
  • the figure 6 is a perspective view of a conductor fixed to a housing member of the figure 1 .
  • the figure 7 is a sectional view of a device according to a second embodiment of the invention.
  • a connection device 2 of conductors 3, 4 comprises an insulating body 5 intended to be fixed on a rail by a fixing foot 6 located on a rear face.
  • connection terminals 7, 8 can be indifferently connection terminals by screwing or elastic clamping with a spring.
  • the shielded conductors 3, 4, to be connected by the device 2 each comprise a metal conductive core 9, and an insulating sheath 10 surrounding the conductive core, for example plastic.
  • Each conductor further comprises a shielding sheath 12, made for example by a wire mesh, which surrounds the insulating sheath 10, and a second outer insulating sheath 11, which surrounds the shielding sheath 12.
  • the apparatus 2 further comprises a conductive device 11, intended to ensure at least partial continuity of the shielding, comprising a conducting element in the form of a conductive strip 13 extending between a first end adjacent to a first connection terminal 7 and a second end adjacent to a second connection terminal 8.
  • the device 11 comprises a housing member 14, 15 having a bottom 16 in the axis of the bar 13, and two branches 17 and 18, which from the bottom 16 move obliquely to form a housing for receiving a portion of a shielded conductor 3, 4 surrounded by its shielding sheath 12, the outer sheath insulating 11 of the conductor 3, 4 is removed on the end portion thereof, before its placement in the housing member 14, 15.
  • the device 11 comprises means for holding in position the housing member 14, 15 in contact with the shielding sheath 12 of the conductor.
  • the holding means are constituted by an attached clamp 19 having a conductive sheath 20.
  • the collar is constituted by a colson collar surrounded by a sheath made of wire mesh, as shown on the figure 5 .
  • the collar 19 thus consists of a tongue of flexible material, in particular plastic, comprising a multiplicity of grooves or ribs 22, the tongue having a free end and a second end having an eyelet 23 in which is disposed a device -Ratching back.
  • the non-return device cooperates with the grooves or ribs to exclusively allow clamping of the loop formed by the tongue, but not loosening.
  • the branches 17, 18 of the housing member 14, 15 comprise a profile having a positioning notch 24 for the clamping collar 19, in which the latter is housed when it is placed in position around the body housing 14, 15 and the shielded conductor with its sheath.
  • Each housing member 14, 15 has a recess 25 at its bottom. Starting from the edge of this recess, and housed therein is provided a connecting lug 26, located in the axis of the bar.
  • This connecting lug 26 comprises two through-holes 27, 28 allowing the passage of a strand formed by the end of a twisted shielding sheath. Once the strand is positioned in the light, a weld of it can be performed.
  • the second light 28, of smaller size is also of a size adapted to receive a protruding portion for fixing a lug externally attached to the end of a twisted strand formed on a shielding sheath.
  • the bar 13 has fixing means on the insulating body 5 of the device constituted by tabs 29, intended to be received in openings of the insulating body.
  • the bar 13 and the housing members 14, 15 are made in one piece, to simplify manufacture.
  • connection device is a conventional type of connection apparatus, the body of which simply comprises receiving openings of the device.
  • the bar 13 comprises fixing means on the insulating body 5 of the device constituted by latching elements 30, intended to be received in openings of the insulating body.
  • These detent elements each consist of a lug having laterally on its two sides snap-fastening spouts 31.
  • the device can connect a shielded conductor to a shielding reference element consisting for example by the mass of the device, or by a specific electromagnetic protection device.
  • a shielding reference element consisting for example by the mass of the device, or by a specific electromagnetic protection device.
  • only one housing member associated with means for holding in position is necessary.
  • the holding means in position are no longer constituted by a clamp.
  • the housing member 32 comprises branches 33, 34 with end portions 35, 36 converging to be crimped around the conductor.

Abstract

The invention relates to a conducting device (11) for establishing an electric contact between a first shielding sheath (12) of a first armoured conductor and the second shielding sheath (12) of a second armoured conductor or a shielding reference member, wherein said device is intended to be mounted on an electric connection apparatus (2) that comprises at least one connection terminal for the conductors, and a conducting member (13) extending between a first end to be provided in the vicinity of a first connection terminal of the apparatus (2) and a second end to be provided in the vicinity of a second connection terminal of the apparatus (2), or in contact with the reference shielding member. The device further includes at least one housing member (14) for a conductor (3) with its sheath, said member being in electric contact with one of the ends of the conducting member (13), and means (19) for maintaining the housing member in position and in contact with the shielding sheath (12) of a conductor (3).

Description

La présente invention concerne un dispositif conducteur pour le contact électrique entre une première gaine de blindage d'un premier conducteur blindé et une seconde gaine de blindage d'un second conducteur blindé ou un élément de référence pour le blindage, ainsi qu'un appareil de raccordement de conducteurs.The present invention relates to a conductive device for the electrical contact between a first shielding sheath of a first shielded conductor and a second shielding sheath of a second shielded conductor or a shielding reference element, and a shielding apparatus. connection of conductors.

Il est connu dans certaines applications basse tension, de protéger des conducteurs destinés à véhiculer des signaux, par exemple des signaux de commande, par un blindage électromagnétique.It is known in certain low-voltage applications to protect conductors intended to convey signals, for example control signals, by electromagnetic shielding.

La fonction d'un tel blindage est de protéger le signal qui est transmis par le conducteur des perturbations électromagnétiques présentes dans l'environnement, et que le conducteur n'émette pas de telles perturbations, en réalisant une isolation électromagnétique.The function of such a shielding is to protect the signal which is transmitted by the conductor electromagnetic disturbances present in the environment, and that the driver does not emit such disturbances, performing electromagnetic isolation.

Le blindage du conducteur est réalisé de façon connue en plaçant autour de chaque conducteur une gaine réalisée en un matériau conducteur, sous forme de treillis par exemple, créant un effet de cage de Faraday autour du conducteur.The shielding of the conductor is made in known manner by placing around each conductor a sheath made of a conductive material, in the form of lattice for example, creating a Faraday cage effect around the conductor.

Lors du raccordement de deux conducteurs du type précité au niveau d'un appareil de raccordement, par exemple d'un bloc de jonction, il est important que la continuité du blindage soit assurée au moins partiellement entre le premier et le second conducteur.When connecting two conductors of the aforementioned type to a connection device, for example a terminal block, it is important that the continuity of the shielding is ensured at least partially between the first and second conductors.

A cet effet, il est connu d'assurer un contact électrique entre la gaine du premier conducteur et la gaine du second conducteur.For this purpose, it is known to ensure electrical contact between the sheath of the first conductor and the sheath of the second conductor.

Un tel contact est réalisé de façon connue par un élément conducteur sous forme de barrette conductrice, qui s'étend entre une première extrémité voisine d'une première borne de raccordement et une seconde extrémité voisine d'une seconde borne de raccordement de l'appareil de raccordement, la gaine du premier conducteur étant fixée à la première extrémité de la barrette, et la gaine du second conducteur étant fixée à la seconde extrémité de la barrette conductrice.Such contact is made in known manner by a conductive element in the form of a conductive strip, which extends between a first end adjacent to a first connection terminal and a second end adjacent to a second connection terminal of the device. connecting, the sheath of the first conductor being fixed to the first end of the bar, and the sheath of the second conductor being fixed to the second end of the conductive bar.

La fixation des gaines sur les barrettes peut être assurée en torsadant l'extrémité de la gaine pour former un brin, puis en la fixant sur la barrette par une cosse sertie sur le brin ou par soudure.Fixing the sheaths on the bars can be provided by twisting the end of the sheath to form a strand, and then fixing it on the bar by a lug crimped on the strand or by welding.

Il est également possible de réaliser la fixation par soudure sans torsader préalablement l'extrémité de la gaine.It is also possible to achieve the fixing by welding without previously twisting the end of the sheath.

Les modes de fixation évoqués ci-dessus permettent d'obtenir un contact électrique entre la première et la seconde gaine. Toutefois, le fait de souder et/ou de torsader la gaine nuisent à la qualité de la continuité du blindage réalisé.The fixing modes mentioned above make it possible to obtain an electrical contact between the first and the second sheath. However, the fact of welding and / or twisting the sheath adversely affects the quality of the continuity of the shielding achieved.

En conséquence, il est souhaitable de réaliser une fixation des gaines qui permettent d'assurer une continuité du blindage améliorée, tout en ne rendant pas cette fixation complexe.Consequently, it is desirable to make a fixing of the sheaths which make it possible to ensure an improved continuity of the shielding, while not making this fixation difficult.

Il est connu du document DE20004475U de réaliser un dispositif conducteur pour le contact électrique entre une première gaine de blindage d'un premier conducteur blindé, et une seconde gaine de blindage d'un second conducteur blindé ou un élément de référence pour le blindage, le dispositif étant destiné à équiper un appareil de raccordement électrique comportant au moins une borne de raccordement de conducteurs, et comportant :

  • un élément conducteur s'étendant entre une première extrémité destinée à être disposée à proximité d'une première borne de raccordement de l'appareil et une seconde extrémité destinée à être disposée à proximité d'une seconde borne de raccordement de l'appareil, ou au contact de l'élément de référence pour le blindage,
  • au moins un organe de logement d'un conducteur entouré de sa gaine, cet organe étant en contact électrique avec une des extrémités de l'élément conducteur, et
  • des moyens de maintien en position de l'organe de logement au contact de la gaine de blindage d'un conducteur.
It is known from the document DE20004475U to provide a conductive device for the electrical contact between a first shielding sheath of a first shielded conductor, and a second shielding sheath of a second shielded conductor or a shielding reference element, the device being intended to equip a electrical connection apparatus comprising at least one terminal for connecting conductors, and comprising:
  • a conductive element extending between a first end intended to be disposed near a first connection terminal of the apparatus and a second end intended to be disposed near a second connection terminal of the apparatus, or in contact with the reference element for shielding,
  • at least one housing member of a conductor surrounded by its sheath, this member being in electrical contact with one of the ends of the conductive element, and
  • means for holding the housing member in position in contact with the shielding sheath of a conductor.

La présente invention a pour objet de permettre une amélioration du blindage tout en permettant l'utilisation de mode de fixation connus.The object of the present invention is to allow an improvement of the shielding while allowing the use of known fastening methods.

A cet effet, la présente invention concerne un dispositif du type précité caractérisé en ce qu'il comprend de plus une patte de liaison comprenant au moins une ouverture permettant notamment le passage d'un brin formé par l'extrémité d'une gaine de blindage torsadée d'un conducteur blindé ou le logement d'une partie en saillie de fixation d'une cosse extérieure rapportée.To this end, the present invention relates to a device of the aforementioned type characterized in that it further comprises a connecting lug comprising at least one opening allowing in particular the passage of a strand formed by the end of a shielding sheath twisted of a shielded conductor or the housing of a protruding portion for fixing an outer lug reported.

Ainsi, il est possible de réaliser le contact entre le dispositif et la gaine de chaque conducteur sans avoir à réaliser de brin torsadé avec la gaine, et en réalisant directement le contact sur le conducteur. Ces dispositions permettent également d'éviter de réaliser une soudure qui est défavorable à la bonne continuité du blindage.Thus, it is possible to make contact between the device and the sheath of each conductor without having to make twisted strand with the sheath, and directly making contact with the conductor. These provisions also make it possible to avoid making a weld that is unfavorable to the good continuity of the shielding.

Il est également possible d'utiliser également les modes de fixation connus avec le dispositif selon l'invention. En particulier, un brin torsadé qui est logé dans l'au moins une lumière traversante peut être soudé au dispositif. Il est également possible d'utiliser une cosse rapportée sur l'extrémité d'un brin torsadée de la gaine du fil, une telle cosse comportant de façon habituelle une partie en saillie destinée à sa fixation.It is also possible to use also the known methods of attachment with the device according to the invention. In particular, a twisted strand which is housed in the at least one through-hole can be welded to the device. It is also possible to use a lug attached to the end of a twisted strand of the sheath of the wire, such a lug usually having a projecting portion for fixing it.

Avantageusement, l'organe de logement présente une forme concave de logement du conducteur.Advantageously, the housing member has a concave form housing the driver.

Ces dispositions permettent de faciliter le positionnement du conducteur dans l'organe de logement.These provisions facilitate the positioning of the driver in the housing member.

Selon un mode de réalisation, l'organe de logement comporte un fond et deux branches latérales s'étendant obliquement par rapport au fond.According to one embodiment, the housing member comprises a bottom and two lateral branches extending obliquely relative to the bottom.

Ces dispositions permettent de loger des conducteurs de tailles différentes avec un même organe de logement.These arrangements make it possible to accommodate conductors of different sizes with the same housing member.

Selon un mode de réalisation, la patte de liaison est réalisée dans un évidement de l'organe de logement.According to one embodiment, the connecting lug is made in a recess of the housing member.

Cette disposition permet de réaliser simplement l'organe de logement et la patte de liaison en une seule pièce, et de limiter l'encombrement associé à la présence de cette patte de liaison.This arrangement makes it possible to simply produce the housing member and the connecting lug in one piece, and to limit the size associated with the presence of this connecting lug.

Avantageusement, la patte de liaison est pliable par rapport à l'organe de logement.Advantageously, the connecting lug is foldable relative to the housing member.

Cette disposition permet de dégager la patte de liaison du plan de la barrette et de l'alignement avec l'organe de logement, pour faciliter les manipulations pour l'opérateur souhaitant utiliser cette patte de liaison.This arrangement makes it possible to disengage the connecting lug from the plane of the strip and the alignment with the housing member, to facilitate handling for the operator wishing to use this connection lug.

Selon une possibilité, les moyens de maintien en position de l'organe de logement sur le conducteur comportent au moins une portion de l'organe de logement qui est destinée à être sertie autour du conducteur.According to one possibility, the means for holding the housing member in position on the conductor comprise at least a portion of the housing member which is intended to be crimped around the conductor.

Cette disposition permet de ne pas nécessiter l'utilisation d'une pièce rapportée pour réaliser la fixation sur le conducteur.This arrangement makes it possible not to require the use of an insert to achieve fixing on the driver.

Avantageusement, l'au moins une portion destinée à être sertie autour du conducteur est constituée par au moins une portion d'extrémité d'une branche de l'organe de logement.Advantageously, the at least one portion to be crimped around the conductor is constituted by at least one end portion of a branch of the housing member.

Selon une autre possibilité, les moyens de maintien en position de l'organe de logement sur le conducteur comportent un collier de serrage rapporté.According to another possibility, the means for holding the housing member in position on the conductor comprise an attached clamp.

Cette disposition permet de ne pas utiliser d'outil de sertissage, mais de réaliser simplement le maintien en position de façon manuelle.This arrangement makes it possible not to use a crimping tool, but simply to carry out the maintenance in position manually.

Avantageusement, le collier de serrage comporte une gaine conductrice.Advantageously, the clamping collar comprises a conductive sheath.

Cette disposition permet de favoriser le contact électrique entre le dispositif et la gaine de blindage du conducteur.This arrangement promotes electrical contact between the device and the shielding sheath of the driver.

Selon un mode de réalisation, l'organe de logement de guidage comporte au moins une encoche de positionnement pour le collier de serrage.According to one embodiment, the guide housing member has at least one positioning slot for the clamping collar.

Cette disposition permet de faciliter le positionnement du collier de serrage sur l'organe de positionnement, et sa tenue en position, empêchant les mouvements du collier transversalement à la direction de serrage.This arrangement facilitates the positioning of the clamp on the positioning member, and its holding in position, preventing movement of the collar transversely to the clamping direction.

Avantageusement, les branches de l'organe de logement de guidage comportent un profil présentant une encoche de positionnement pour le collier de serrage.Advantageously, the branches of the guide housing member comprise a profile having a positioning notch for the clamping collar.

Selon un mode de réalisation, le dispositif comporte des moyens de fixation sur le corps isolant de l'appareil.According to one embodiment, the device comprises fixing means on the insulating body of the device.

Cette disposition permet de réaliser une fixation facile et sans outil du dispositif sur un appareil de raccordement comportant des ouvertures adaptées.This arrangement makes it possible to fix the device easily and without tools on a connection device comprising suitable openings.

Avantageusement, les moyens de fixation sont constitués par des éléments d'encliquetage.Advantageously, the fastening means are constituted by detent elements.

Avantageusement, l'élément conducteur, constitué d'une barrette, et l'au moins un organe de logement sont réalisés d'une seule pièce.Advantageously, the conductive element, consisting of a bar, and the at least one housing member are made in one piece.

Cette disposition permet de faciliter la fabrication et également d'assurer un contact électrique de bonne qualité.This arrangement makes it easier to manufacture and also to ensure good quality electrical contact.

La présente invention concerne également un appareil basse tension de raccordement comportant un dispositif tel que décrit ci-dessus.The present invention also relates to a low-voltage connection device comprising a device as described above.

De toute façon, l'invention sera bien comprise à l'aide de la description qui suit, en référence au dessin schématique annexé, représentant à titre d'exemple non limitatif, deux modes de réalisation d'un dispositif selon l'invention.In any case, the invention will be better understood with the aid of the description which follows, with reference to the appended schematic drawing, representing by way of nonlimiting example, two embodiments of a device according to the invention.

La figure 1 est une vue en perspective d'un dispositif selon un premier mode de réalisation de l'invention.The figure 1 is a perspective view of a device according to a first embodiment of the invention.

La figure 2 est une seconde vue en perspective du dispositif de figure 1, selon une orientation différente.The figure 2 is a second perspective view of the device figure 1 , in a different orientation.

La figure 3 est une vue en perspective d'un appareil de raccordement de conducteurs selon l'invention.The figure 3 is a perspective view of a conductor connection apparatus according to the invention.

La figure 4 est une vue schématique représentant les constituants d'un conducteur blindé.The figure 4 is a schematic view showing the constituents of an armored conductor.

La figure 5 est une vue en perspective des moyens de fixation d'un dispositif selon l'invention.The figure 5 is a perspective view of the fastening means of a device according to the invention.

La figure 6 est une vue en perspective d'un conducteur fixé sur un organe de logement du dispositif de figure 1.The figure 6 is a perspective view of a conductor fixed to a housing member of the figure 1 .

La figure 7 est une vue en coupe d'un dispositif selon un second mode de réalisation de l'invention.The figure 7 is a sectional view of a device according to a second embodiment of the invention.

La figure 8 est une vue en perspective d'une variante du dispositif de figure 1.The figure 8 is a perspective view of a variant of the device of figure 1 .

Selon un mode de réalisation représenté sur les figures 1 à 6, un appareil de raccordement 2 de conducteurs 3, 4 comprend un corps isolant 5 destiné à être fixé sur un rail par un pied de fixation 6 situé sur une face arrière.According to an embodiment shown on the Figures 1 to 6 , a connection device 2 of conductors 3, 4 comprises an insulating body 5 intended to be fixed on a rail by a fixing foot 6 located on a rear face.

L'appareil de raccordement 2 comprend également deux bornes de raccordement 7, 8 de conducteurs, positionnées de part et d'autre du corps isolant, et reliées électriquement par une barrette de liaison conductrice 21.The connection apparatus 2 also comprises two connection terminals 7, 8 of conductors, positioned on either side of the insulating body, and electrically connected by a conductive connection bar 21.

Les bornes de raccordement 7, 8 peuvent être indifféremment des bornes de raccordement par vissage ou par serrage élastique avec un ressort.The connection terminals 7, 8 can be indifferently connection terminals by screwing or elastic clamping with a spring.

Ainsi que représenté sur la figure 4, les conducteurs blindés 3, 4, destinés à être raccordés par l'appareil 2 comprennent chacun une âme 9 conductrice métallique, et une gaine isolante 10 entourant l'âme conductrice, par exemple en matière plastique. Chaque conducteur comporte de plus une gaine de blindage 12, réalisé par exemple par un treillis métallique, qui entoure la gaine isolante 10, et une seconde gaine isolante extérieure 11, qui entoure la gaine de blindage 12.As shown on the figure 4 , the shielded conductors 3, 4, to be connected by the device 2 each comprise a metal conductive core 9, and an insulating sheath 10 surrounding the conductive core, for example plastic. Each conductor further comprises a shielding sheath 12, made for example by a wire mesh, which surrounds the insulating sheath 10, and a second outer insulating sheath 11, which surrounds the shielding sheath 12.

L'appareil 2 comprend de plus une dispositif conducteur 11, destinée à assurer la continuité au moins partielle du blindage, comprenant un élément conducteur sous forme de barrette conductrice 13 s'étendant entre une première extrémité voisine d'une première borne de raccordement 7 et une seconde extrémité voisine d'une seconde borne de raccordement 8.The apparatus 2 further comprises a conductive device 11, intended to ensure at least partial continuity of the shielding, comprising a conducting element in the form of a conductive strip 13 extending between a first end adjacent to a first connection terminal 7 and a second end adjacent to a second connection terminal 8.

A chacune des extrémités de la barrette 13, le dispositif 11 comporte un organe de logement 14, 15 comportant un fond 16 dans l'axe de la barrette 13, et deux branches 17 et 18, qui partant du fond 16 s'éloignent de façon oblique pour former un logement destiné à recevoir une partie d'un conducteur blindé 3, 4 entouré de sa gaine de blindage 12, la gaine extérieure isolante 11 du conducteur 3, 4 étant supprimée sur la partie terminale de celui-ci, avant son placement dans l'organe de logement 14, 15.At each of the ends of the bar 13, the device 11 comprises a housing member 14, 15 having a bottom 16 in the axis of the bar 13, and two branches 17 and 18, which from the bottom 16 move obliquely to form a housing for receiving a portion of a shielded conductor 3, 4 surrounded by its shielding sheath 12, the outer sheath insulating 11 of the conductor 3, 4 is removed on the end portion thereof, before its placement in the housing member 14, 15.

Le dispositif 11 comprend des moyens de maintien en position de l'organe de logement 14, 15 au contact de la gaine de blindage 12 du conducteur.The device 11 comprises means for holding in position the housing member 14, 15 in contact with the shielding sheath 12 of the conductor.

Les moyens de maintien en position sont constitués, dans ce mode de réalisation, par un collier de serrage 19 rapporté comportant une gaine conductrice 20. En particulier, dans le mode de réalisation représenté, le collier est constitué par un collier colson entouré d'une gaine réalisée en treillis métallique, ainsi que représenté sur la figure 5.In this embodiment, the holding means are constituted by an attached clamp 19 having a conductive sheath 20. In particular, in the embodiment shown, the collar is constituted by a colson collar surrounded by a sheath made of wire mesh, as shown on the figure 5 .

Le collier 19 est ainsi constitué d'une languette en matière souple, en particulier du plastique, comportant une multiplicité de rainures ou de nervures 22, la languette comportant une extrémité libre et une seconde extrémité comportant un oeillet 23 dans lequel est disposée un dispositif anti-retour d'encliquetage. Ainsi, lorsque l'extrémité libre de la languette est introduite dans l'oeillet, le dispositif anti-retour coopère avec les rainures ou nervures afin de permettre exclusivement un serrage de la boucle formée par la languette, mais pas de desserrage.The collar 19 thus consists of a tongue of flexible material, in particular plastic, comprising a multiplicity of grooves or ribs 22, the tongue having a free end and a second end having an eyelet 23 in which is disposed a device -Ratching back. Thus, when the free end of the tongue is inserted into the eyelet, the non-return device cooperates with the grooves or ribs to exclusively allow clamping of the loop formed by the tongue, but not loosening.

Les branches 17, 18 de l'organe de logement 14, 15 comportent un profil présentant une encoche de positionnement 24 pour le collier de serrage 19, dans lequel celui-ci vient se loger lorsqu'il est mis en position autour de l'organe de logement 14, 15 et du conducteur blindé avec sa gaine.The branches 17, 18 of the housing member 14, 15 comprise a profile having a positioning notch 24 for the clamping collar 19, in which the latter is housed when it is placed in position around the body housing 14, 15 and the shielded conductor with its sheath.

La figure 6 représente un conducteur blindé en position sur un organe de logement 14, avec un collier de fixation 19.The figure 6 represents a shielded conductor in position on a housing member 14, with a fastening collar 19.

Chaque organe de logement 14, 15 présente un évidement 25 au niveau de son fond. Partant du bord de cet évidement, et logé dans celui-ci est ménagé une patte de liaison 26, situé dans l'axe de la barrette.Each housing member 14, 15 has a recess 25 at its bottom. Starting from the edge of this recess, and housed therein is provided a connecting lug 26, located in the axis of the bar.

Cette patte de liaison 26 comporte deux lumières traversante 27, 28 permettant le passage d'un brin formé par l'extrémité d'une gaine de blindage torsadée. Une fois le brin positionné dans la lumière, une soudure de celui-ci peut être effectuée.This connecting lug 26 comprises two through-holes 27, 28 allowing the passage of a strand formed by the end of a twisted shielding sheath. Once the strand is positioned in the light, a weld of it can be performed.

La seconde lumière 28, de taille plus restreinte, est également de taille adaptée pour recevoir une partie en saillie de fixation d'une cosse extérieure rapportée sur l'extrémité d'un brin torsadé formé sur une gaine de blindage.The second light 28, of smaller size, is also of a size adapted to receive a protruding portion for fixing a lug externally attached to the end of a twisted strand formed on a shielding sheath.

Pour réaliser plus facilement la fixation avec la patte de liaison 26, il est possible de plier celle-ci pour la faire sortir du plan de la barrette 13, et donc de l'évidement de l'organe de logement 14, 15.To make it easier to fix the fastening with the connecting lug 26, it is possible to fold the latter to take it out of the plane of the bar 13, and thus the recess of the housing member 14, 15.

La barrette 13 comporte des moyens de fixation sur le corps isolant 5 de l'appareil constitués par des pattes 29, destinés à être reçus dans des ouvertures du corps isolant.The bar 13 has fixing means on the insulating body 5 of the device constituted by tabs 29, intended to be received in openings of the insulating body.

Il est à noter que la barrette 13 et les organes de logement 14, 15 sont réalisés d'une seule pièce, pour simplifier la fabrication.It should be noted that the bar 13 and the housing members 14, 15 are made in one piece, to simplify manufacture.

Il est à noter que l'appareil de raccordement est un appareil de raccordement de type classique, dont le corps comprend simplement des ouvertures de réception du dispositif.It should be noted that the connecting device is a conventional type of connection apparatus, the body of which simply comprises receiving openings of the device.

Selon une variante représentée sur la figure 8, la barrette 13 comporte des moyens de fixation sur le corps isolant 5 de l'appareil constitués par des éléments d'encliquetage 30, destinés à être reçus dans des ouvertures du corps isolant. Ces éléments d'encliquetage sont constitués chacun d'une patte comportant latéralement sur ses deux côtés des becs d'encliquetages 31.According to a variant represented on the figure 8 , the bar 13 comprises fixing means on the insulating body 5 of the device constituted by latching elements 30, intended to be received in openings of the insulating body. These detent elements each consist of a lug having laterally on its two sides snap-fastening spouts 31.

Selon une variante, le dispositif peut relier un conducteur blindé à un élément de référence de blindage constitué par exemple par la masse de l'appareil, ou par un dispositif spécifique de protection électromagnétique. Dans ce cas, un seul organe de logement associé à des moyens de maintien en position est nécessaire.Alternatively, the device can connect a shielded conductor to a shielding reference element consisting for example by the mass of the device, or by a specific electromagnetic protection device. In this case, only one housing member associated with means for holding in position is necessary.

Selon un second mode de réalisation, représenté sur la figure 7, les moyens de maintien en position ne sont plus constitués par un collier de serrage. Dans ce mode de réalisation, l'organe de logement 32 comporte des branches 33, 34 avec des portions d'extrémité 35, 36 convergentes destinées à être serties autour du conducteur.According to a second embodiment, represented on the figure 7 , the holding means in position are no longer constituted by a clamp. In this embodiment, the housing member 32 comprises branches 33, 34 with end portions 35, 36 converging to be crimped around the conductor.

Comme il va se soi, l'invention ne se limite pas aux formes de réalisation préférentielles décrites ci-dessus, à titre d'exemples non limitatif ; elle en embrasse au contraire toutes les variantes.As is self-evident, the invention is not limited to the preferred embodiments described above, by way of non-limiting examples; on the contrary, it embraces all variants.

En particulier, d'autres moyens de maintien en position de l'organe de logement sur le conducteur peuvent être utilisés, sous forme d'élément rapporté ou de partie de l'organe de logement.In particular, other means for holding the housing member in position on the conductor may be used, in the form of an insert or part of the housing member.

Claims (15)

  1. Conductive device (11) for electrical contact between a first shielding sheath (12) of a first shielded conductor, and a second shielding sheath (12) of a second shielded conductor or a reference element for shielding, the device being designed to be fitted to an electrical connection apparatus (2) comprising at least one conductor connection terminal (7, 8), and comprising:
    - a conducting element (13) extending between a first end designed to be placed close to a first connection terminal (7) of the apparatus (2) and a second end designed to be placed close to a second connection terminal (8) of the apparatus (2), or in contact with the reference element for shielding,
    - at least one housing member (14, 15, 32) of a conductor (3, 4) surrounded by its sheath, this member being in electrical contact with one of the ends of the conducting element (13), and
    - means (19, 33, 34) for holding the housing member in position in contact with the shielding sheath (12) of a conductor (3, 4)
    characterized in that it also comprises a connection lug (26) comprising at least one opening (27, 28) particularly allowing the passage of a strand formed by the end of a twisted shielding sheath (12) of a shielded conductor (3, 4) or the housing of a protruding portion for the attachment of a fitted external cable terminal.
  2. Device (11) according to Claim 1, characterized in that the housing member (14, 15, 32) has a concave shape for housing the conductor (34).
  3. Device (11) according to Claim 2, characterized in that the housing member (14, 15, 32) comprises a bottom (16) and two lateral branches (17, 18, 33, 34) extending obliquely relative to the bottom.
  4. Device (11) according to one of the preceding claims, characterized in that the connection lug is made in a recess of the housing member (14, 15, 32).
  5. Device (11) according to one of the preceding claims, characterized in that the connection lug is pliable relative to the housing member (14, 15, 32).
  6. Device (11) according to one of the preceding claims, characterized in that the means for holding the housing member in position on the conductor comprise at least one portion (35, 36) of the housing member that is designed to be crimped around the conductor (3, 4).
  7. Device according to claim 6 and according to Claim 3, characterized in that the at least one portion designed to be crimped around the conductor (3, 4) consists of at least one end portion (35, 36) of a branch (33, 34) of the housing member (32).
  8. Device (11) according to one of the preceding claims, characterized in that the means for holding the housing member (14, 15) in position on the conductor (3, 4) comprise a fitted clamping collar (19).
  9. Device (11) according to Claim 8, characterized in that the clamping collar (19) comprises a conductive sheath (20).
  10. Device (11) according to one of Claims 8 or 9,
    characterized in that the guidance housing member (14, 15) comprises at least one positioning notch (24) for the clamping collar (19).
  11. Device (11) according to Claims 3 and 10,
    characterized in that the branches (17, 18) of the guidance housing member (14, 15) comprise a profile having a positioning notch (24) for the clamping collar (19).
  12. Device (11) according to one of Claims 1 to 11,
    characterized in that it comprises means (29, 30) for attachment to the insulating body (5) of the apparatus (2).
  13. Device (11) according to Claim 12, characterized in that the means for attachment to the insulating body (5) of the apparatus (2) consist of snap-fitting elements (30).
  14. Device (11) according to one of Claims 1 to 13,
    characterized in that the conducting element (13), consisting of a bar, and the at least one housing member are made in a single piece.
  15. Low-voltage connection apparatus (2) comprising a device (11) according to one of Claims 1 to 14.
EP08761858A 2007-03-09 2008-02-08 Conducting device for the electric contact of a conductor shielding sheath Active EP2135326B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0701733A FR2913541B1 (en) 2007-03-09 2007-03-09 CONDUCTIVE DEVICE FOR THE ELECTRICAL CONTACT OF A SHIELDING SHIELD OF A CONDUCTOR
PCT/FR2008/000156 WO2008110703A1 (en) 2007-03-09 2008-02-08 Conducting device for the electric contact of a conductor shielding sheath

Publications (2)

Publication Number Publication Date
EP2135326A1 EP2135326A1 (en) 2009-12-23
EP2135326B1 true EP2135326B1 (en) 2010-06-23

Family

ID=38608855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08761858A Active EP2135326B1 (en) 2007-03-09 2008-02-08 Conducting device for the electric contact of a conductor shielding sheath

Country Status (8)

Country Link
US (1) US20100112857A1 (en)
EP (1) EP2135326B1 (en)
CN (1) CN101647154B (en)
AT (1) ATE472188T1 (en)
DE (1) DE602008001615D1 (en)
ES (1) ES2345742T3 (en)
FR (1) FR2913541B1 (en)
WO (1) WO2008110703A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102324643A (en) * 2011-06-08 2012-01-18 贵州航天电器股份有限公司 Detachable welded-type contact element
CN203415727U (en) * 2013-08-30 2014-01-29 信维创科通信技术（北京）有限公司 Coaxial connector and connecting terminal thereof
US10971864B1 (en) * 2019-09-30 2021-04-06 BAKC Capital Group DIN rail shield
US11172806B2 (en) * 2020-02-20 2021-11-16 Omnivision Technologies, Inc. Medical micro-cable structure and connection method with mini camera cube chip

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DE1765395A1 (en) * 1968-05-11 1971-07-22 Weidmueller Kg C Electrical balancing resistor
US4450621A (en) * 1981-12-14 1984-05-29 Amp Incorporated Method and tool for preparing coaxial cable and for positioning coaxial connector therewith
US4456317A (en) * 1983-03-10 1984-06-26 Amp Incorporated Commoning strip
JPH0244469Y2 (en) * 1984-12-28 1990-11-26
JP2613293B2 (en) * 1989-04-25 1997-05-21 北川工業 株式会社 Clamp
WO1994007284A1 (en) * 1992-09-23 1994-03-31 Siemens Aktiengesellschaft Shielded electric cable connector
JP3424804B2 (en) * 1998-05-20 2003-07-07 矢崎総業株式会社 Termination structure of shielded wire
FR2792118B1 (en) * 1999-04-12 2001-06-01 Entrelec Sa METHOD AND DEVICE FOR INTERCONNECTING TERMINALS
DE20004475U1 (en) * 2000-03-10 2001-07-19 Weidmueller Interface Terminal block with shield connection element
ES2199030B1 (en) * 2001-09-07 2005-05-01 Ge Power Controls Iberica, S.L. ELECTRICAL CONNECTION SYSTEM BETWEEN MODULES FOR THE PROTECTION OF ELECTRICAL DISTRIBUTION CIRCUITS.
JP2003282195A (en) * 2002-03-22 2003-10-03 Jst Mfg Co Ltd Contact for coaxial connector and coaxial connector provided with the same
JP2006040552A (en) * 2004-07-22 2006-02-09 Yazaki Corp Shield connector
JP4320296B2 (en) * 2004-11-18 2009-08-26 ケル株式会社 Wire pressure welding type connector

Also Published As

Publication number Publication date
CN101647154A (en) 2010-02-10
CN101647154B (en) 2011-12-07
FR2913541B1 (en) 2009-07-03
FR2913541A1 (en) 2008-09-12
EP2135326A1 (en) 2009-12-23
US20100112857A1 (en) 2010-05-06
ES2345742T3 (en) 2010-09-30
ATE472188T1 (en) 2010-07-15
DE602008001615D1 (en) 2010-08-05
WO2008110703A1 (en) 2008-09-18

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