EP2779315A1 - Method for recovering shields of the cables of a strand on an electrical connector and assembly for connecting a strand - Google Patents

Method for recovering shields of the cables of a strand on an electrical connector and assembly for connecting a strand Download PDF

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Publication number
EP2779315A1
EP2779315A1 EP14159750.0A EP14159750A EP2779315A1 EP 2779315 A1 EP2779315 A1 EP 2779315A1 EP 14159750 A EP14159750 A EP 14159750A EP 2779315 A1 EP2779315 A1 EP 2779315A1
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EP
European Patent Office
Prior art keywords
strand
cables
electrically conductive
conductive strip
shielding
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14159750.0A
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German (de)
French (fr)
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EP2779315B1 (en
Inventor
Olivier BOURGUE
Guillaume PREVOST
Anthony Pajot
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Thales SA
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Thales SA
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Publication date
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Publication of EP2779315A1 publication Critical patent/EP2779315A1/en
Application granted granted Critical
Publication of EP2779315B1 publication Critical patent/EP2779315B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/65912—Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/002—Maintenance of line connectors, e.g. cleaning
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49174—Assembling terminal to elongated conductor

Definitions

  • the present invention relates to a method of recovering the shielding of the cables of a strand on an electrical connector and a connection assembly of a strand. It applies to the wiring of any shielded electrical cable and more particularly to connection cables used in the space or aeronautical field.
  • a conventional method for resuming the shielding of an electrical cable on a connector is to attach a shield take-up comb to the connector body and manually braze a first end of a shield-back wire to a comb tooth and a second end of the shielding recovery wire on the cable shield.
  • This method has the disadvantage of being complicated to implement because on the one hand it requires the removal of the outer layer of browning of the connector, which presents a risk of damaging the insulating block of the connector and to cause anomalies cabling, and secondly, manual soldering is difficult to perform and requires a control operation using an expert.
  • this method does not allow repair or modification of the wiring, and creates an electromagnetic coupling between the shielding recovery wire and the electrical wire of the cable that carries the signal.
  • this method must be repeated individually for each of the strand cables, which represents a very long wiring time for each strand.
  • the object of the invention is to overcome the drawbacks of known shielding recovery methods and to perform a method of taking up the shielding of the cables of a strand on an electrical connector that is simple and industrializable, which does not require removing the cable shielding, which does not involve any delicate operation to perform and does not require the control of an expert and which allows to significantly reduce the time of completion of the recovery of the strand shielding.
  • the invention relates to a method of taking up the shielding of the cables of a strand on an electrical connector, the strand comprising shielded cables, each shielded cable consisting of an inner conductor, a first primary insulating sheath surrounding the conductor, an electromagnetic shielding surrounding the primary insulating sheath and an outer insulating sheath surrounding the electromagnetic shielding, each strand cable having an end connected to the electrical connector.
  • the method consists, on an annular portion located at the end connected to the connector, to remove only the outer insulating sheath of each shielded cable without stripping the cables of their electromagnetic shielding, then to group all the shielded cables into a set constituting a strand and surrounding the strand with an electrically conductive strip positioned in contact with the electromagnetic shielding of the shielded cables, and connecting the electrically conductive strip to the connector.
  • the method further comprises grouping the unshielded cables into one or more sets of unshielded cables, to surround each set of unshielded cables with an electrically conductive strip forming a local outer shielding sheath around each unshielded cable assembly, and then consolidating all unshielded shielded and shielded cable assemblies with their local shield sheath to form the strand, the outer electrically conductive strip surrounding the strand being positioned in contact with the electromagnetic shielding of the shielded cables and with the outer shielding outer sheath of each unshielded cable assembly and forming a shielding sheath of the electromagnetic shield of all the cables of the strand.
  • the method further comprises positioning the grounding wires outside the outer electrically conductive strip of the strand formed by all the cable assemblies, and then encircle all of the strand and ground wires with one or more additional turns of outer electrically conductive strip, fold the ends of the grounding wires over the outer electrically conductive strip and then surround the whole of the strand and folded grounding wires of one or more additional turns of external electrically conductive strip.
  • the method further comprises either maintaining and clamping the external electrically conductive strip disposed around the strand in a metal cable clamp in contact with the external electrically conductive strip and with the connector or alternatively, to set up and close a metal cover of the connector and to cover the outer electrically conductive strip of an annular overwrap braid having one end connected to the cover of the connector.
  • the over-braiding braid can be fixed by retaining bands.
  • the invention also relates to a connection set of a strand obtained by the shielding recovery method, the strand comprising shielded cables having an end connected to a connector, the shielded cables being provided with an electromagnetic shielding apparent on a part ring located at the end connected to the connector, the shielded cables being grouped into a strand, the strand being surrounded by an electrically conductive strip positioned in contact with the electromagnetic shielding apparent shielded cables, the electrically conductive strip being connected to the connector.
  • the strand of the connection assembly comprises shielded cables and unshielded cables, the unshielded cables being grouped into one or more sets of unshielded cables, each set of unshielded cables being surrounded by an electrically conductive strip. forming a local shielding sheath, and all shielded and unshielded cable assemblies are grouped into a strand, the strand being surrounded by at least one turn of electrically conductive outer band positioned in contact with the apparent electromagnetic shielding of the shielded cables and with the local outer shielding sheath of each unshielded cable assembly.
  • connection assembly further comprises a metal cable clamp in contact with the outer electrically conductive strip of the strand and with the connector.
  • the cable clamp comprises two clamping plates separated by spacers and fixed together.
  • the connector comprises a metal cover and the outer electrically conductive strip is covered with an annular overwrap braid having one end connected to the cover of the connector.
  • a shielded cable 10 consists of an inner conductor 11, a first primary insulating sheath 12 surrounding the conductor, an electromagnetic shield 13 surrounding the primary insulating sheath and an outer insulating sheath 14 surrounding the electromagnetic shield.
  • an unshielded cable 15 consists of an inner conductor 11 and an insulating sheath 12 surrounding the driver.
  • a strand comprises a plurality of cables that can be shielded and / or unshielded, as shown for example in the embodiment specifically described and shown in FIGS. Figures 3 to 8 .
  • the strand 16 includes only shielded cables.
  • the strand 16 comprises shielded cables 10 and unshielded cables 15, each cable 10, 15, of the strand 16 having one end connected to the same electrical connector 20.
  • the outer insulating sheath 14 of each cable shielded 10 is removed on an annular portion at the end connected to the connector 20.
  • the cables are not stripped of their electromagnetic shield which remains intact and then constitutes an outer layer of the cable on the annular end portion.
  • the electromagnetic shield 13 remained in place on the cable is therefore apparent.
  • the shielded cables 10 are then grouped into at least a first set of cables.
  • the method then consists in grouping all the shielded cables to form the strand 16 and, as shown in FIG. figure 5a to surround the strand of a shielding sheath 32, consisting of at least one turn of an electrically conductive strip, the shielding sheath 32 being positioned in contact with the electromagnetic shield 13 apparent on the annular portion located at the end of the shielded cables.
  • the shielding recovery sheath 32 thus ensures the recovery of the electromagnetic shielding of all the cables of the strand 16.
  • the electrically conductive strip constituting the shielding recovery sheath 32 may be a ribbon, or a mesh or a braid.
  • the material of the shielding recovery sheath 32 may be metallic or a non-metallic material charged with electrically conductive particles.
  • the electrically conductive strip may optionally comprise an adhesive on one of its faces, the adhesive being loaded with electrically conductive particles. If necessary, it is possible to maintain the electrically conductive strip with a retaining band.
  • the invention also consists in grouping the unshielded cables 15 into one or more sets 21 of unshielded cables according to their distribution on the connector 20, for example on the figure 3b , the unshielded cables are grouped into two different sets 21, and then, as shown in FIG. figure 4a , surrounding each set 21 of unshielded cables with an electrically conductive strip so as to form a local outer shielding sheath 31 around each set of unshielded cables.
  • the local outer shielding sheath 31 is positioned in contact with the insulating sheath 12 of the unshielded cables 15.
  • a single electrically conductive strip 31 around each unshielded cable assembly 10 is generally sufficient, but it is possible to add one or more additional turns.
  • the method then comprises grouping the various cable assemblies together to form a strand 16 and surrounding the strand 16 with at least one turn of the outer electrically conductive strip to form the shield take-up sheath 32, as shown in FIG. figure 5a .
  • certain shielded cables 10 comprise grounding wires
  • the method further comprises leaving the grounding wires outside the strand 16 thus formed and as shown in FIG. figure 5b , to position them on the shielding recovery sheath 32 of the strand 16.
  • the method then consists, as shown in FIG. figure 5c to surround the whole of the strand and the grounding wires of one or more additional turns of external electrically conductive strip, and then as shown in FIG.
  • FIG. figure 5d to fold the end of the grounding wires onto the outer electrically conductive strip and then as shown in FIG. figure 5e surrounding the entire strand 16 and folded grounding wires with one or more additional turns of outer electrically conductive strip.
  • the outer electrically conductive strip forming the shielding recovery sheath 32 of the strand 16 can be held with a retaining band if necessary.
  • the different cable assemblies of the strand 16 can then be connected to the housing of the connector 20 via the shielding recovery sheath 32 of the strand 16.
  • the shielding recovery sheath 32 can be connected to the housing of the connector 20 directly or indirectly to ensure the recovery of electromagnetic shielding of the strand 16 on the connector 20.
  • the connection between the shielding recovery sheath 32 and the housing of the connector 20 can be achieved by a cable clamp 33 or by an electrically conductive closed hood.
  • the electrically conductive strip of the shielding recovery sheath 32 disposed around the strand 16 can be held with a holding band, not shown.
  • the holding band is positioned on an annular edge of the electrically conductive strip located opposite the connector 20.
  • the strand 16 can be clamped in a metal cable clamp 33 in contact with the electrically conductive strip 32 of the strand 16 and with the connector 20 as shown in the cross-sectional view of the figure 6a and on the longitudinal view of the figure 6b .
  • the cable clamp 33 may for example comprise two clamping plates fixed together and separated by spacers. It is possible to add one or more additional turns of electrically conductive strip 32 around the strand 16 to constitute for example a padding and allow good contact between the electrically conductive strip 32 and the cable clamp 33.
  • the invention in the case where the connector 20 comprises a closed metal cover 25, it is not necessary to use a cable clamp, and the invention then consists in covering the electrically conductive strip forming the shielding sheath 32 of the strand 16 of an annular overwrap braid 35, as shown in FIG. figure 8 .
  • the overwrap braid 35 has a first end connected to the cover 25 of the connector 20 and a second end attached to the strand.
  • the overwrap braid 35 must be held in place around the strand 16 and around the cover, for example by retaining bands 36 disposed at both ends and optionally in an intermediate zone between its two ends.
  • the electrically conductive strip 32, not visible on the figure 8 , and the overwrapping braid 35 then constitute a recovery of the electromagnetic shielding of the strand 16 on the cover 25 of the connector 20.
  • the shielding of each cable is only in contact with other cable shields and / or with electrically conductive strips.
  • the shielding of a cable is therefore taken up over its entire circumference by conductive elements, such as the electrically conductive strips 31, 32 and the cable clamp 33, which ensure the grounding of the shields of all the cables 10, 15 16.
  • the grounding of the shielding of each cable is optimum with the method of the invention.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cable Accessories (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The method involves removing only an external insulating sheath of a shielded cable over an annular part located at an end connected to an electrical connector (20) without stripping the cables of electromagnetic shield. The shielded cables are grouped together to form a strand (16). The strand is surrounded by an electrically conductive strip (32) in contact with the electromagnetic shield of the shielded cables, and the electrically conducting strip is connected to the connector. An independent claim is also included for a connection assembly for connecting a strand.

Description

La présente invention concerne un procédé de reprise des blindages des câbles d'un toron sur un connecteur électrique et un ensemble de connexion d'un toron. Elle s'applique au câblage de tout câble électrique blindé et plus particulièrement aux câbles de connexion utilisés dans le domaine spatial ou dans le domaine aéronautique.The present invention relates to a method of recovering the shielding of the cables of a strand on an electrical connector and a connection assembly of a strand. It applies to the wiring of any shielded electrical cable and more particularly to connection cables used in the space or aeronautical field.

Une méthode classique pour reprendre le blindage d'un câble électrique sur un connecteur est de fixer un peigne de reprise des blindages sur le corps du connecteur et de braser manuellement une première extrémité d'un fil de reprise de blindage sur une dent du peigne et une deuxième extrémité du fil de reprise de blindage sur le blindage du câble. Cette méthode présente l'inconvénient d'être compliquée à mettre en oeuvre car d'une part elle nécessite de devoir retirer la couche externe de dorage du connecteur, ce qui présente un risque de détériorer le bloc isolant du connecteur et d'engendrer des anomalies de câblage, et d'autre part, la brasure manuelle est délicate à réaliser et nécessite une opération de contrôle faisant appel à un expert. Par ailleurs, cette méthode ne permet pas une réparation ou une modification du câblage, et crée un couplage électromagnétique entre le fil de reprise de blindage et le fil électrique du câble qui achemine le signal. Enfin, pour un toron comportant un grand nombre de câbles, cette méthode doit être répétée individuellement pour chacun des câbles du toron, ce qui représente un temps de câblage très long pour chaque toron.A conventional method for resuming the shielding of an electrical cable on a connector is to attach a shield take-up comb to the connector body and manually braze a first end of a shield-back wire to a comb tooth and a second end of the shielding recovery wire on the cable shield. This method has the disadvantage of being complicated to implement because on the one hand it requires the removal of the outer layer of browning of the connector, which presents a risk of damaging the insulating block of the connector and to cause anomalies cabling, and secondly, manual soldering is difficult to perform and requires a control operation using an expert. Moreover, this method does not allow repair or modification of the wiring, and creates an electromagnetic coupling between the shielding recovery wire and the electrical wire of the cable that carries the signal. Finally, for a strand with a large number of cables, this method must be repeated individually for each of the strand cables, which represents a very long wiring time for each strand.

Une autre méthode de reprise de blindage connue est décrite notamment dans le document FR 2 929 049 . Dans cette méthode, les extrémités des câbles sont dénudées. La gaine de blindage individuelle de chaque câble d'un toron est retirée sur un tronçon d'extrémité du câble et chaque brin de blindage dégagé du câble est replié dans une direction opposée au connecteur. La liaison entre le blindage d'un câble et le blindage du toron est réalisée par les brins de blindage dégagés et repliés qui doivent être répartis de façon homogène sur la circonférence du toron et maintenus par des enroulements successifs d'une bande de bourrage. Cependant, le dégagement du blindage de chaque câble individuel et la liaison entre le blindage d'un câble et le blindage du toron sont des opérations manuelles complexes, longues et délicates à réaliser qui dégradent et fragilisent fortement le tronçon dénudé et qui ne peuvent pas être industrialisées.Another method of taking up known shielding is described in particular in the document FR 2 929 049 . In this method, the ends of the cables are stripped. The individual shielding sheath of each cable of a strand is removed on an end portion of the cable and each shielding strand released from the cable is bent in a direction opposite to the connector. The connection between the shielding of a cable and the shielding of the strand is carried out by the shielded and folded shielding strands which must be uniformly distributed over the circumference of the strand and maintained. by successive windings of a stuffing strip. However, the disengagement of the shielding of each individual cable and the connection between the shielding of a cable and the shielding of the strand are complex manual operations, long and difficult to perform, which greatly degrade and weaken the stripped section and which can not be industrialized.

Le but de l'invention est de remédier aux inconvénients des procédés de reprise des blindages connus et de réaliser un procédé de reprise des blindages des câbles d'un toron sur un connecteur électrique qui soit simple et industrialisable, qui ne nécessite pas de retirer le blindage des câbles, qui ne comporte pas d'opération délicate à réaliser et ne nécessite pas le contrôle d'un expert et qui permette de diminuer de façon très importante le temps de réalisation de la reprise de blindage du toron.The object of the invention is to overcome the drawbacks of known shielding recovery methods and to perform a method of taking up the shielding of the cables of a strand on an electrical connector that is simple and industrializable, which does not require removing the cable shielding, which does not involve any delicate operation to perform and does not require the control of an expert and which allows to significantly reduce the time of completion of the recovery of the strand shielding.

Pour cela, l'invention concerne un procédé de reprise des blindages des câbles d'un toron sur un connecteur électrique, le toron comportant des câbles blindés, chaque câble blindé étant constitué d'un conducteur interne, d'une première gaine isolante primaire entourant le conducteur, d'un blindage électromagnétique entourant la gaine isolante primaire et d'une gaine isolante extérieure entourant le blindage électromagnétique, chaque câble du toron comportant une extrémité reliée au connecteur électrique. Le procédé consiste, sur une partie annulaire située à l'extrémité reliée au connecteur, à retirer uniquement la gaine isolante extérieure de chaque câble blindé sans dénuder les câbles de leur blindage électromagnétique, puis à regrouper tous les câbles blindés en un ensemble constituant un toron et à entourer le toron d'une bande électriquement conductrice positionnée en contact avec le blindage électromagnétique des câbles blindés, et à relier la bande électriquement conductrice au connecteur.For this, the invention relates to a method of taking up the shielding of the cables of a strand on an electrical connector, the strand comprising shielded cables, each shielded cable consisting of an inner conductor, a first primary insulating sheath surrounding the conductor, an electromagnetic shielding surrounding the primary insulating sheath and an outer insulating sheath surrounding the electromagnetic shielding, each strand cable having an end connected to the electrical connector. The method consists, on an annular portion located at the end connected to the connector, to remove only the outer insulating sheath of each shielded cable without stripping the cables of their electromagnetic shielding, then to group all the shielded cables into a set constituting a strand and surrounding the strand with an electrically conductive strip positioned in contact with the electromagnetic shielding of the shielded cables, and connecting the electrically conductive strip to the connector.

Lorsque le toron comporte des câbles blindés et des câbles non blindés, chaque câble non blindé étant constitué d'un conducteur interne et d'une gaine isolante entourant le conducteur, le procédé consiste en outre à regrouper les câbles non blindés en un ou plusieurs ensembles de câbles non blindés, à entourer chaque ensemble de câbles non blindés d'une bande électriquement conductrice formant une gaine locale de blindage externe autour de chaque ensemble de câbles non blindés, puis à regrouper tous les câbles blindés et tous les ensembles de câbles non blindés munis de leur gaine locale de blindage pour former le toron, la bande électriquement conductrice externe entourant le toron étant positionnée en contact avec le blindage électromagnétique des câbles blindés et avec la gaine locale de blindage externe de chaque ensemble de câbles non blindés et formant une gaine de reprise du blindage électromagnétique de tous les câbles du toron.When the strand includes shielded cables and unshielded cables, each unshielded cable consisting of an inner conductor and an insulating sheath surrounding the conductor, the method further comprises grouping the unshielded cables into one or more sets of unshielded cables, to surround each set of unshielded cables with an electrically conductive strip forming a local outer shielding sheath around each unshielded cable assembly, and then consolidating all unshielded shielded and shielded cable assemblies with their local shield sheath to form the strand, the outer electrically conductive strip surrounding the strand being positioned in contact with the electromagnetic shielding of the shielded cables and with the outer shielding outer sheath of each unshielded cable assembly and forming a shielding sheath of the electromagnetic shield of all the cables of the strand.

Lorsque le toron comporte en outre des fils de mise à la masse, le procédé consiste en outre à positionner les fils de mise à la masse à l'extérieur de la bande électriquement conductrice externe du toron formé par tous les ensembles de câbles, puis à entourer l'ensemble du toron et des fils de mise à la masse d'un ou de plusieurs tours additionnels de bande électriquement conductrice externe, à replier l'extrémité des fils de mise à la masse sur la bande électriquement conductrice externe puis à entourer l'ensemble du toron et des fils de mise à la masse repliés d'un ou de plusieurs tours additionnels de bande électriquement conductrice externe.When the strand further comprises grounding wires, the method further comprises positioning the grounding wires outside the outer electrically conductive strip of the strand formed by all the cable assemblies, and then encircle all of the strand and ground wires with one or more additional turns of outer electrically conductive strip, fold the ends of the grounding wires over the outer electrically conductive strip and then surround the whole of the strand and folded grounding wires of one or more additional turns of external electrically conductive strip.

Avantageusement, le procédé consiste en outre, soit à maintenir et à serrer la bande électriquement conductrice externe disposée autour du toron dans un serre-câble métallique en contact avec la bande électriquement conductrice externe et avec le connecteur ou alternativement, à mettre en place et fermer un capot métallique du connecteur et à recouvrir la bande électriquement conductrice externe d'une tresse de surblindage annulaire comportant une extrémité reliée au capot du connecteur.Advantageously, the method further comprises either maintaining and clamping the external electrically conductive strip disposed around the strand in a metal cable clamp in contact with the external electrically conductive strip and with the connector or alternatively, to set up and close a metal cover of the connector and to cover the outer electrically conductive strip of an annular overwrap braid having one end connected to the cover of the connector.

Avantageusement, la tresse de surblindage peut être fixée par des frettes de maintien.Advantageously, the over-braiding braid can be fixed by retaining bands.

L'invention concerne aussi un ensemble de connexion d'un toron obtenu par le procédé de reprise des blindages, le toron comportant des câbles blindés ayant une extrémité reliée à un connecteur, les câbles blindés étant muni d'un blindage électromagnétique apparent sur une partie annulaire située à l'extrémité reliée au connecteur, les câbles blindés étant regroupés en un toron, le toron étant entouré d'une bande électriquement conductrice positionnée en contact avec le blindage électromagnétique apparent des câbles blindés, la bande électriquement conductrice étant reliée au connecteur.The invention also relates to a connection set of a strand obtained by the shielding recovery method, the strand comprising shielded cables having an end connected to a connector, the shielded cables being provided with an electromagnetic shielding apparent on a part ring located at the end connected to the connector, the shielded cables being grouped into a strand, the strand being surrounded by an electrically conductive strip positioned in contact with the electromagnetic shielding apparent shielded cables, the electrically conductive strip being connected to the connector.

Avantageusement, le toron de l'ensemble de connexion comporte des câbles blindés et des câbles non blindés, les câbles non blindés étant regroupés en un ou plusieurs ensembles de câbles non blindés, chaque ensemble de câbles non blindés étant entouré d'une bande électriquement conductrice formant une gaine locale de blindage, et tous les ensembles de câbles blindés et non blindés sont regroupés en un toron, le toron étant entouré d'au moins un tour de bande électriquement conductrice externe positionnée en contact avec le blindage électromagnétique apparent des câbles blindés et avec la gaine locale de blindage externe de chaque ensemble de câbles non blindés.Advantageously, the strand of the connection assembly comprises shielded cables and unshielded cables, the unshielded cables being grouped into one or more sets of unshielded cables, each set of unshielded cables being surrounded by an electrically conductive strip. forming a local shielding sheath, and all shielded and unshielded cable assemblies are grouped into a strand, the strand being surrounded by at least one turn of electrically conductive outer band positioned in contact with the apparent electromagnetic shielding of the shielded cables and with the local outer shielding sheath of each unshielded cable assembly.

Avantageusement, l'ensemble de connexion comporte en outre un serre-câble métallique en contact avec bande électriquement conductrice externe du toron et avec le connecteur.Advantageously, the connection assembly further comprises a metal cable clamp in contact with the outer electrically conductive strip of the strand and with the connector.

Avantageusement, le serre-câble comporte deux plaques de serrage séparées par des entretoises et fixées entre elles.Advantageously, the cable clamp comprises two clamping plates separated by spacers and fixed together.

Alternativement, le connecteur comporte un capot métallique et la bande électriquement conductrice externe est recouverte d'une tresse de surblindage annulaire comportant une extrémité reliée au capot du connecteur.Alternatively, the connector comprises a metal cover and the outer electrically conductive strip is covered with an annular overwrap braid having one end connected to the cover of the connector.

D'autres particularités et avantages de l'invention apparaîtront clairement dans la suite de la description donnée à titre d'exemple purement illustratif et non limitatif, en référence aux dessins schématiques annexés qui représentent :

  • figure 1 : un exemple montrant la structure d'un câble blindé, selon l'invention ;
  • figure 2 : un exemple montrant la structure d'un câble non blindé, selon l'invention;
  • figure 3a : un schéma illustrant un ensemble de connexion comportant un ensemble de plusieurs câbles blindés raccordés à un connecteur, selon l'invention ;
  • figure 3b : un schéma illustrant un ensemble de connexion comportant un ensemble de plusieurs câbles blindés et deux ensembles de plusieurs câbles non blindés, tous les câbles étant raccordés à un même connecteur, selon l'invention ;
  • figure 4a: un schéma illustrant une première étape du procédé de reprise des blindages lorsque le toron comporte des câbles blindés et des câbles non blindés, selon l'invention ;
  • figure 4b : un schéma illustrant une première étape du procédé de reprise des blindages lorsque le toron comporte des câbles blindés, des câbles non blindés et au moins un fil de mise à la masse, selon l'invention ;
  • figure 5a : un schéma illustrant une deuxième étape du procédé lorsque le toron comporte des câbles blindés et des câbles non blindés, selon l'invention ;
  • figures 5b à 5e: quatre schémas illustrant une deuxième étape du procédé lorsque le toron comporte des câbles blindés, des câbles non blindés et au moins un fil de mise à la masse, selon l'invention ;
  • figures 6a et 6b : un schéma en coupe transversale et une vue schématique longitudinale illustrant une troisième étape du procédé, selon l'invention ;
  • figures 7 et 8 : deux schémas illustrant respectivement une quatrième et une cinquième étape du procédé, selon l'invention.
Other features and advantages of the invention will become clear in the following description given by way of purely illustrative and non-limiting example, with reference to the attached schematic drawings which represent:
  • figure 1 an example showing the structure of a shielded cable, according to the invention;
  • figure 2 an example showing the structure of an unshielded cable, according to the invention;
  • figure 3a : a diagram illustrating a connection assembly comprising a set of several shielded cables connected to a connector, according to the invention;
  • figure 3b : a diagram illustrating a connection assembly comprising a set of several shielded cables and two sets of several unshielded cables, all the cables being connected to the same connector, according to the invention;
  • figure 4a a diagram illustrating a first step of the shielding recovery method when the strand comprises shielded and unshielded cables, according to the invention;
  • figure 4b a diagram illustrating a first step of the shielding recovery method when the strand comprises shielded cables, unshielded cables and at least one grounding wire, according to the invention;
  • figure 5a a diagram illustrating a second step of the method when the strand comprises shielded cables and unshielded cables, according to the invention;
  • Figures 5b to 5e four diagrams illustrating a second step of the method when the strand comprises shielded cables, unshielded cables and at least one grounding wire, according to the invention;
  • Figures 6a and 6b : a cross-sectional schematic and a longitudinal schematic view illustrating a third step of the method, according to the invention;
  • Figures 7 and 8 two diagrams respectively illustrating a fourth and a fifth step of the method, according to the invention.

Comme représenté sur la figure 1, un câble blindé 10 est constitué d'un conducteur interne 11, d'une première gaine isolante primaire 12 entourant le conducteur, d'un blindage électromagnétique 13 entourant la gaine isolante primaire et d'une gaine isolante extérieure 14 entourant le blindage électromagnétique. Comme représenté sur la figure 2, un câble non blindé 15 est constitué d'un conducteur interne 11 et d'une gaine isolante 12 entourant le conducteur. Un toron comporte plusieurs câbles qui peuvent être blindés 10 et/ou non blindés 15 comme représenté par exemple sur l'exemple de réalisation précisément décrit et représenté sur les figures 3 à 8.As shown on the figure 1 , a shielded cable 10 consists of an inner conductor 11, a first primary insulating sheath 12 surrounding the conductor, an electromagnetic shield 13 surrounding the primary insulating sheath and an outer insulating sheath 14 surrounding the electromagnetic shield. As shown on the figure 2 an unshielded cable 15 consists of an inner conductor 11 and an insulating sheath 12 surrounding the driver. A strand comprises a plurality of cables that can be shielded and / or unshielded, as shown for example in the embodiment specifically described and shown in FIGS. Figures 3 to 8 .

Sur la figure 3a, le toron 16 comporte uniquement des câbles blindés. Sur la figure 3b, le toron 16 comporte des câbles blindés 10 et des câbles non blindés 15, chaque câble 10, 15, du toron 16 comportant une extrémité reliée sur un même connecteur électrique 20. Selon l'invention, seule la gaine isolante extérieure 14 de chaque câble blindé 10 est retirée sur une partie annulaire située à l'extrémité reliée au connecteur 20. Les câbles ne sont pas dénudés de leur blindage électromagnétique qui reste donc intact et constitue alors une couche externe du câble sur la partie annulaire d'extrémité. A l'extrémité de chaque câble, sur la partie annulaire, le blindage électromagnétique 13 resté en place sur le câble est donc apparent. Les câbles blindés 10 sont alors regroupés en au moins un premier ensemble de câbles. Lorsque les câbles blindés 10 sont éloignés les uns des autres, il est possible de les regrouper en deux ou trois ensembles différents 22 suivant leur répartition sur le connecteur 20. Lorsque le toron ne comporte que des câbles blindés, le procédé consiste alors à regrouper tous les câbles blindés pour former le toron 16 et, comme représenté sur la figure 5a, à entourer le toron d'une gaine de reprise de blindage 32, constituée d'au moins un tour d'une bande électriquement conductrice, la gaine de reprise de blindage 32 étant positionnée en contact avec le blindage électromagnétique 13 apparent sur la partie annulaire située à l'extrémité des câbles blindés. La gaine de reprise de blindage 32 assure ainsi la reprise du blindage électromagnétique de tous les câbles du toron 16.On the figure 3a , the strand 16 includes only shielded cables. On the figure 3b , the strand 16 comprises shielded cables 10 and unshielded cables 15, each cable 10, 15, of the strand 16 having one end connected to the same electrical connector 20. According to the invention, only the outer insulating sheath 14 of each cable shielded 10 is removed on an annular portion at the end connected to the connector 20. The cables are not stripped of their electromagnetic shield which remains intact and then constitutes an outer layer of the cable on the annular end portion. At the end of each cable, on the annular portion, the electromagnetic shield 13 remained in place on the cable is therefore apparent. The shielded cables 10 are then grouped into at least a first set of cables. When the shielded cables 10 are distant from each other, it is possible to group them into two or three different assemblies 22 according to their distribution on the connector 20. When the strand comprises only shielded cables, the method then consists in grouping all the shielded cables to form the strand 16 and, as shown in FIG. figure 5a to surround the strand of a shielding sheath 32, consisting of at least one turn of an electrically conductive strip, the shielding sheath 32 being positioned in contact with the electromagnetic shield 13 apparent on the annular portion located at the end of the shielded cables. The shielding recovery sheath 32 thus ensures the recovery of the electromagnetic shielding of all the cables of the strand 16.

La bande électriquement conductrice constituant la gaine de reprise de blindage 32 peut être un ruban, ou une maille ou une tresse. Le matériau de la gaine de reprise de blindage 32 peut être métallique ou un matériau non métallique chargé par des particules électriquement conductrices. La bande électriquement conductrice peut éventuellement comporter un adhésif sur l'une de ses faces, l'adhésif étant chargé par des particules électriquement conductrices. Si nécessaire, il est possible de maintenir la bande électriquement conductrice avec une frette de maintien.The electrically conductive strip constituting the shielding recovery sheath 32 may be a ribbon, or a mesh or a braid. The material of the shielding recovery sheath 32 may be metallic or a non-metallic material charged with electrically conductive particles. The electrically conductive strip may optionally comprise an adhesive on one of its faces, the adhesive being loaded with electrically conductive particles. If necessary, it is possible to maintain the electrically conductive strip with a retaining band.

Lorsque le toron 16 comporte des câbles non blindés 15, l'invention consiste en outre à regrouper les câbles non blindés 15 en un ou plusieurs ensembles 21 de câbles non blindés suivant leur répartition sur le connecteur 20, par exemple, sur la figure 3b, les câbles non blindés sont regroupés en deux ensembles 21 différents, puis, comme représenté sur la figure 4a, à entourer chaque ensemble 21 de câbles non blindés d'une bande électriquement conductrice de manière à former une gaine locale de blindage externe 31 autour de chaque ensemble de câbles non blindés. La gaine locale de blindage externe 31 est positionnée en contact avec la gaine isolante 12 des câbles non blindés 15. Un seul tour de bande électriquement conductrice 31 autour de chaque ensemble de câbles non blindés 10 est généralement suffisant, mais il est possible d'ajouter un ou plusieurs tours additionnels.When the strand 16 comprises unshielded cables 15, the invention also consists in grouping the unshielded cables 15 into one or more sets 21 of unshielded cables according to their distribution on the connector 20, for example on the figure 3b , the unshielded cables are grouped into two different sets 21, and then, as shown in FIG. figure 4a , surrounding each set 21 of unshielded cables with an electrically conductive strip so as to form a local outer shielding sheath 31 around each set of unshielded cables. The local outer shielding sheath 31 is positioned in contact with the insulating sheath 12 of the unshielded cables 15. A single electrically conductive strip 31 around each unshielded cable assembly 10 is generally sufficient, but it is possible to add one or more additional turns.

Le procédé consiste ensuite à regrouper les divers ensembles de câbles pour former un toron 16 et à entourer le toron 16 d'au moins un tour de bande électriquement conductrice externe pour réaliser la gaine de reprise de blindage 32, comme représenté sur la figure 5a. Dans le cas où certains câbles blindés 10 comportent des fils de mise à la masse, comme représenté par exemple sur la figure 4b, le procédé consiste en outre, à laisser les fils de mise à la masse à l'extérieur du toron 16 ainsi constitué et comme représenté sur la figure 5b, à les positionner sur la gaine de reprise du blindage 32 du toron 16. Le procédé consiste ensuite, comme représenté sur la figure 5c, à entourer l'ensemble du toron et les fils de mise à la masse d'un ou de plusieurs tours additionnels de bande électriquement conductrice externe, puis comme représenté sur la figure 5d, à replier l'extrémité des fils de mise à la masse sur la bande électriquement conductrice externe puis comme représenté sur la figure 5e, à entourer l'ensemble du toron 16 et des fils de mise à la masse repliés d'un ou de plusieurs tours additionnels de bande électriquement conductrice externe. La bande électriquement conductrice externe formant la gaine de reprise de blindage 32 du toron 16 peut être maintenue avec une frette de maintien si nécessaire.The method then comprises grouping the various cable assemblies together to form a strand 16 and surrounding the strand 16 with at least one turn of the outer electrically conductive strip to form the shield take-up sheath 32, as shown in FIG. figure 5a . In the case where certain shielded cables 10 comprise grounding wires, as represented for example on the figure 4b the method further comprises leaving the grounding wires outside the strand 16 thus formed and as shown in FIG. figure 5b , to position them on the shielding recovery sheath 32 of the strand 16. The method then consists, as shown in FIG. figure 5c to surround the whole of the strand and the grounding wires of one or more additional turns of external electrically conductive strip, and then as shown in FIG. figure 5d to fold the end of the grounding wires onto the outer electrically conductive strip and then as shown in FIG. figure 5e surrounding the entire strand 16 and folded grounding wires with one or more additional turns of outer electrically conductive strip. The outer electrically conductive strip forming the shielding recovery sheath 32 of the strand 16 can be held with a retaining band if necessary.

Les différents ensembles de câbles du toron 16 peuvent alors être reliés au boîtier du connecteur 20 par l'intermédiaire de la gaine de reprise de blindage 32 du toron 16. La gaine de reprise de blindage 32 peut être connectée au boîtier du connecteur 20 directement ou indirectement pour assurer la reprise de blindage électromagnétique du toron 16 sur le connecteur 20. La liaison entre la gaine de reprise de blindage 32 et le boîtier du connecteur 20 peut être réalisée par un serre-câble 33 ou par un capot fermé 25 électriquement conducteur.The different cable assemblies of the strand 16 can then be connected to the housing of the connector 20 via the shielding recovery sheath 32 of the strand 16. The shielding recovery sheath 32 can be connected to the housing of the connector 20 directly or indirectly to ensure the recovery of electromagnetic shielding of the strand 16 on the connector 20. The connection between the shielding recovery sheath 32 and the housing of the connector 20 can be achieved by a cable clamp 33 or by an electrically conductive closed hood.

Dans le cas où le connecteur 20 ne comporte pas de capot métallique fermé, la bande électriquement conductrice de la gaine de reprise de blindage 32 disposée autour du toron 16 peut être maintenue avec une frette de maintien, non représentée. La frette de maintien est positionnée sur un bord annulaire de la bande électriquement conductrice situé à l'opposé du connecteur 20. Le toron 16 peut être serré dans un serre-câble métallique 33 en contact avec la bande électriquement conductrice 32 du toron 16 et avec le connecteur 20 comme représenté sur la vue en coupe transversale de la figure 6a et sur la vue longitudinale de la figure 6b. Le serre-câble 33 peut par exemple comporter deux plaques de serrage fixées entre elles et séparées par des entretoises. Il est possible d'ajouter un ou plusieurs tours additionnels de bande électriquement conductrice 32 autour du toron 16 pour constituer par exemple un rembourrage et permettre un bon contact entre la bande électriquement conductrice 32 et le serre-câble 33.In the case where the connector 20 does not comprise a closed metal cover, the electrically conductive strip of the shielding recovery sheath 32 disposed around the strand 16 can be held with a holding band, not shown. The holding band is positioned on an annular edge of the electrically conductive strip located opposite the connector 20. The strand 16 can be clamped in a metal cable clamp 33 in contact with the electrically conductive strip 32 of the strand 16 and with the connector 20 as shown in the cross-sectional view of the figure 6a and on the longitudinal view of the figure 6b . The cable clamp 33 may for example comprise two clamping plates fixed together and separated by spacers. It is possible to add one or more additional turns of electrically conductive strip 32 around the strand 16 to constitute for example a padding and allow good contact between the electrically conductive strip 32 and the cable clamp 33.

Alternativement, dans le cas où le connecteur 20 comporte un capot métallique fermé 25, il n'est pas nécessaire d'utiliser un serre-câble, et l'invention consiste alors à recouvrir la bande électriquement conductrice formant la gaine de reprise de blindage 32 du toron 16 d'une tresse de surblindage annulaire 35, comme représenté sur la figure 8. La tresse de surblindage 35 comporte une première extrémité reliée au capot 25 du connecteur 20 et une deuxième extrémité fixée sur le toron. La tresse de surblindage 35 doit être maintenue en place autour du toron 16 et autour du capot par exemple par des frettes de maintien 36 disposées en ses deux extrémités et éventuellement dans une zone intermédiaire située entre ses deux extrémités. La bande électriquement conductrice 32, non visible sur la figure 8, et la tresse de surblindage 35 constituent alors une reprise du blindage électromagnétique du toron 16 sur le capot 25 du connecteur 20.Alternatively, in the case where the connector 20 comprises a closed metal cover 25, it is not necessary to use a cable clamp, and the invention then consists in covering the electrically conductive strip forming the shielding sheath 32 of the strand 16 of an annular overwrap braid 35, as shown in FIG. figure 8 . The overwrap braid 35 has a first end connected to the cover 25 of the connector 20 and a second end attached to the strand. The overwrap braid 35 must be held in place around the strand 16 and around the cover, for example by retaining bands 36 disposed at both ends and optionally in an intermediate zone between its two ends. The electrically conductive strip 32, not visible on the figure 8 , and the overwrapping braid 35 then constitute a recovery of the electromagnetic shielding of the strand 16 on the cover 25 of the connector 20.

Ainsi, sur toute sa circonférence, le blindage de chaque câble est uniquement en contact avec d'autres blindages de câbles et/ou avec des bandes électriquement conductrices. Le blindage d'un câble est donc repris sur toute sa circonférence par des éléments conducteurs, tels que les bandes électriquement conductrices 31, 32 et le serre-câble 33, qui assurent la mise à la masse des blindages de tous les câbles 10, 15 du toron 16. Il en résulte que la mise à la masse du blindage de chaque câble est optimum avec le procédé de l'invention.Thus, over its entire circumference, the shielding of each cable is only in contact with other cable shields and / or with electrically conductive strips. The shielding of a cable is therefore taken up over its entire circumference by conductive elements, such as the electrically conductive strips 31, 32 and the cable clamp 33, which ensure the grounding of the shields of all the cables 10, 15 16. As a result, the grounding of the shielding of each cable is optimum with the method of the invention.

Bien que l'invention ait été décrite en liaison avec des modes de réalisation particuliers, il est bien évident qu'elle n'y est nullement limitée et qu'elle comprend tous les équivalents techniques des moyens décrits ainsi que leurs combinaisons si celles-ci entrent dans le cadre de l'invention.Although the invention has been described in connection with particular embodiments, it is obvious that it is not limited thereto and that it includes all the technical equivalents of the means described and their combinations if they are within the scope of the invention.

Claims (11)

Procédé de reprise des blindages des câbles d'un toron sur un connecteur électrique, le toron (16) comportant des câbles blindés (10), chaque câble blindé (10) étant constitué d'un conducteur interne (11), d'une première gaine isolante primaire (12) entourant le conducteur, d'un blindage électromagnétique (13) entourant la gaine isolante primaire et d'une gaine isolante extérieure (14) entourant le blindage électromagnétique, chaque câble du toron comportant une extrémité reliée au connecteur électrique (20), caractérisé en ce qu'il consiste, sur une partie annulaire située à l'extrémité reliée au connecteur (20), à retirer uniquement la gaine isolante extérieure (14) de chaque câble blindé (10) sans dénuder les câbles de leur blindage électromagnétique, puis à regrouper tous les câbles blindés (10) en un ensemble constituant un toron (16) et à entourer le toron (16) d'une bande électriquement conductrice (32) positionnée en contact avec le blindage électromagnétique (13) des câbles blindés, et à relier la bande électriquement conductrice (32) au connecteur (20).A method of taking up the shielding of the cables of a strand on an electrical connector, the strand (16) comprising shielded cables (10), each shielded cable (10) consisting of an inner conductor (11), a first primary insulating sheath (12) surrounding the conductor, an electromagnetic shield (13) surrounding the primary insulating sheath and an outer insulating sheath (14) surrounding the electromagnetic shield, each strand cable having an end connected to the electrical connector ( 20), characterized in that on an annular portion located at the end connected to the connector (20), only the outer insulating sheath (14) of each shielded cable (10) is removed without stripping the cables of their electromagnetic shielding, then grouping all shielded cables (10) into a strand assembly (16) and surrounding the strand (16) with an electrically conductive strip (32) positioned in contact with the shield electromagnetically inducing (13) shielded cables, and connecting the electrically conductive strip (32) to the connector (20). Procédé de reprise des blindages des câbles d'un toron selon la revendication 1, caractérisé en ce que le toron (16) comporte des câbles blindés (10) et des câbles non blindés (15), chaque câble non blindé (15) étant constitué d'un conducteur interne (11) et d'une gaine isolante (12) entourant le conducteur, et en ce qu'il consiste en outre à regrouper les câbles non blindés (15) en un ou plusieurs ensembles (21) de câbles non blindés, à entourer chaque ensemble de câbles non blindés d'une bande électriquement conductrice formant une gaine locale de blindage externe (31) autour de chaque ensemble de câbles non blindés, puis à regrouper tous les câbles blindés (10) et tous les ensembles de câbles non blindés (15) munis de leur gaine locale de blindage (31) pour former le toron (16), la bande électriquement conductrice externe (32) étant positionnée en contact avec le blindage électromagnétique (13) des câbles blindés et avec la gaine locale de blindage externe (31) de chaque ensemble de câbles non blindés et formant une gaine de reprise du blindage électromagnétique de tous les câbles du toron (16).Method for recovering the shielding of strand cables according to claim 1, characterized in that the strand (16) comprises shielded cables (10) and unshielded cables (15), each unshielded cable (15) consisting of an inner conductor (11) and an insulating sheath (12) surrounding the conductor, and in that it further comprises grouping the unshielded cables (15) into one or more sets (21) of non-insulated cables. shielded, to surround each set of unshielded cables with an electrically conductive strip forming a local outer shield sheath (31) around each set of unshielded cables, and then to group together all the shielded cables (10) and all the sets of unshielded cables (15) provided with their local shielding sheath (31) to form the strand (16), the outer electrically conductive strip (32) being positioned in contact with the electromagnetic shield (13) of the shielded cables and with the sheath local blinda external geometry (31) of each set of unshielded cables and forming a shielding sheath of the electromagnetic shielding of all the cables of the strand (16). Procédé de reprise des blindages des câbles d'un toron selon l'une des revendications 1 ou 2, caractérisé en ce que le toron (16) comporte en outre des fils de mise à la masse (17) et en que le procédé consiste en outre à positionner les fils de mise à la masse (17) à l'extérieur de la bande électriquement conductrice externe (32) entourant le toron (16) formé par tous les ensembles de câbles, puis à entourer l'ensemble du toron et des fils de mise à la masse d'un ou de plusieurs tours additionnels de bande électriquement conductrice externe (32), à replier l'extrémité des fils de mise à la masse (17) sur la bande électriquement conductrice externe (32) puis à entourer l'ensemble du toron (16) et des fils de mise à la masse (17) repliés d'un ou de plusieurs tours additionnels de bande électriquement conductrice externe (32).A method of taking up the shielding of the cables of a strand according to one of claims 1 or 2, characterized in that the strand (16) further comprises grounding wires (17) and that the method consists of in addition to positioning the ground wires (17) outside the outer electrically conductive strip (32) surrounding the strand (16) formed by all cable assemblies and then surrounding the entire strand and grounding wire of one or more additional turns of outer electrically conductive strip (32), folding the end of the grounding wires (17) onto the outer electrically conductive strip (32) and then circling the whole of the strand (16) and the grounding wires (17) folded by one or more additional turns of external electrically conductive strip (32). Procédé de reprise des blindages des câbles d'un toron selon l'une des revendications précédentes, caractérisé en ce qu'il consiste en outre, à maintenir et à serrer la bande électriquement conductrice externe (32) disposée autour du toron (16) dans un serre-câble métallique (33) en contact avec la bande électriquement conductrice externe (32) et avec le connecteur (20).A method of taking up the shielding of the strand cables according to one of the preceding claims, characterized in that it further consists in holding and clamping the outer electrically conductive strip (32) arranged around the strand (16) in a metal cable tie (33) in contact with the outer electrically conductive strip (32) and with the connector (20). Procédé de reprise des blindages des câbles d'un toron selon l'une des revendications 1 à 3, caractérisé en ce qu'il consiste en outre à mettre en place et fermer un capot métallique (25) du connecteur (20) et à recouvrir la bande électriquement conductrice externe (32) d'une tresse de surblindage annulaire (35) comportant une extrémité reliée au capot (25) du connecteur (20).A method of taking up the shielding of the cables of a strand according to one of claims 1 to 3, characterized in that it further consists in setting up and closing a metal cap (25) of the connector (20) and covering the outer electrically conductive strip (32) of an annular overwrap braid (35) having an end connected to the cover (25) of the connector (20). Procédé de reprise des blindages des câbles d'un toron selon la revendication 5, caractérisé en ce que la tresse de surblindage (35) est fixée par des frettes de maintien (36).A method of recovering the shielding of strand cables according to claim 5, characterized in that the overwrap braid (35) is fixed by holding bands (36). Ensemble de connexion d'un toron obtenu par le procédé selon l'une des revendications précédentes, caractérisé en ce que le toron (16) comporte des câbles blindés (10) ayant une extrémité reliée à un connecteur (20), les câbles blindés (10) étant muni d'un blindage électromagnétique (13) apparent sur une partie annulaire située à l'extrémité reliée au connecteur (20), les câbles blindés (10) étant regroupés en un toron (16), le toron étant entouré d'une bande électriquement conductrice (32) positionnée en contact avec le blindage électromagnétique apparent (13) des câbles blindés (10), la bande électriquement conductrice (32) étant reliée au connecteur (20).Connection assembly for a strand obtained by the method according to one of the preceding claims, characterized in that the strand (16) comprises shielded cables (10) having an end connected to a connector (20), the shielded cables (10) being provided with an electromagnetic shield (13) visible on an annular portion at the end connected to the connector (20), the shielded cables (10) being grouped into a strand ( 16), the strand being surrounded by an electrically conductive strip (32) positioned in contact with the apparent electromagnetic shielding (13) of the shielded cables (10), the electrically conductive strip (32) being connected to the connector (20). Ensemble de connexion d'un toron selon la revendication 7, caractérisé en ce que le toron (16) comporte des câbles blindés (10) et des câbles non blindés (15), les câbles non blindés (15) étant regroupés en un ou plusieurs ensembles (21) de câbles non blindés, chaque ensemble (21) de câbles non blindés étant entouré d'une bande électriquement conductrice formant une gaine locale de blindage (31), et en ce que tous les ensembles (21, 22) de câbles blindés et non blindés sont regroupés en un toron (16), le toron (16) étant entouré d'au moins un tour de bande électriquement conductrice externe (32) positionnée en contact avec le blindage électromagnétique apparent (13) des câbles blindés et avec la gaine locale de blindage externe (31) de chaque ensemble (21) de câbles non blindés.A strand connection assembly according to claim 7, characterized in that the strand (16) comprises shielded cables (10) and unshielded cables (15), the unshielded cables (15) being grouped into one or more assemblies (21) of unshielded cables, each set (21) of unshielded cables being surrounded by an electrically conductive strip forming a local shielding sheath (31), and in that all cable assemblies (21, 22) shielded and unshielded are combined into one strand (16), the strand (16) being surrounded by at least one turn of external electrically conductive strip (32) positioned in contact with the apparent electromagnetic shielding (13) of the shielded cables and with the outer shielding outer sheath (31) of each set (21) of unshielded cables. Ensemble de connexion d'un toron selon la revendication 8, caractérisé en ce qu'il comporte en outre un serre-câble métallique (33) en contact avec bande électriquement conductrice externe (32) du toron (16) et avec le connecteur (20).A strand connection assembly according to claim 8, characterized in that it further comprises a metal cable clamp (33) in contact with the outer electrically conductive strip (32) of the strand (16) and with the connector (20). ). Ensemble de connexion d'un toron selon la revendication 9, caractérisé en ce que le serre-câble (33) comporte deux plaques de serrage séparées par des entretoises et fixées entre elles.A strand connection assembly as claimed in claim 9, characterized in that the cable clamp (33) has two clamping plates separated by spacers and secured together. Ensemble de connexion d'un toron selon la revendication 8, caractérisé en ce que le connecteur (20) comporte un capot métallique (25) et en ce que la bande électriquement conductrice externe (32) est recouverte d'une tresse de surblindage annulaire (35) comportant une extrémité reliée au capot (25) du connecteur (20).Connection assembly of a strand according to Claim 8, characterized in that the connector (20) includes a metal cover (25) and in that the outer electrically conductive strip (32) is covered with an annular surblindage braid ( 35) having an end connected to the cover (25) of the connector (20).
EP14159750.0A 2013-03-15 2014-03-14 Method for recovering shields of the cables of a strand on an electrical connector and assembly for connecting a strand Active EP2779315B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1300580A FR3003389B1 (en) 2013-03-15 2013-03-15 METHOD FOR RECOVERING TORON CABLES SHIELDING ON ELECTRICAL CONNECTOR AND TORON CONNECTION ASSEMBLY

Publications (2)

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EP2779315A1 true EP2779315A1 (en) 2014-09-17
EP2779315B1 EP2779315B1 (en) 2018-02-28

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EP14159750.0A Active EP2779315B1 (en) 2013-03-15 2014-03-14 Method for recovering shields of the cables of a strand on an electrical connector and assembly for connecting a strand

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US (1) US9583883B2 (en)
EP (1) EP2779315B1 (en)
FR (1) FR3003389B1 (en)

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CN105355332B (en) * 2015-11-23 2017-10-24 上海卫星装备研究所 The satellite micro- rectangular electric connector CA cable assembly enhancing shield effectiveness method of band hood

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DE19936508A1 (en) * 1999-08-05 2001-03-15 Amphenol Tuchel Elect Pluggable connector for connecting with contacts of associated counter piece e.g. for motor controls, uses additional protective conductor with one end located on protective conductor contact of contact insert
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Also Published As

Publication number Publication date
US9583883B2 (en) 2017-02-28
FR3003389A1 (en) 2014-09-19
US20140273630A1 (en) 2014-09-18
FR3003389B1 (en) 2018-03-30
EP2779315B1 (en) 2018-02-28

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