EP2255417A2 - Verfahren zur beschleunigung der individuellen elektromagnetischen abschirmung eines elektrischen kabelstrangs in einem elektrischen verbinder - Google Patents

Verfahren zur beschleunigung der individuellen elektromagnetischen abschirmung eines elektrischen kabelstrangs in einem elektrischen verbinder

Info

Publication number
EP2255417A2
EP2255417A2 EP09726564A EP09726564A EP2255417A2 EP 2255417 A2 EP2255417 A2 EP 2255417A2 EP 09726564 A EP09726564 A EP 09726564A EP 09726564 A EP09726564 A EP 09726564A EP 2255417 A2 EP2255417 A2 EP 2255417A2
Authority
EP
European Patent Office
Prior art keywords
connector
strand
shells
shielding
end portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09726564A
Other languages
English (en)
French (fr)
Other versions
EP2255417B1 (de
Inventor
Jean-Luc Biesse
Sébastien Guerrero
Didier Laurent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Electrical and Power SAS
Original Assignee
Labinal SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Labinal SA filed Critical Labinal SA
Publication of EP2255417A2 publication Critical patent/EP2255417A2/de
Application granted granted Critical
Publication of EP2255417B1 publication Critical patent/EP2255417B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • H01R13/6583—Shield structure with resilient means for engaging mating connector with separate conductive resilient members between mating shield members
    • 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  
    • 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
    • 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
    • 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
    • Y10T29/49181—Assembling terminal to elongated conductor by deforming
    • 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
    • Y10T29/49204—Contact or terminal manufacturing
    • 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
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • 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
    • Y10T29/49227—Insulator making

Definitions

  • the present invention relates to a method of taking up the electromagnetic shielding of individual electric cables of a strand on an electrical connector.
  • the invention applies in particular to connection cables used in the aeronautical industry.
  • Patent EP 0 739 057 describes an example of such a rear connection, said remote recovery.
  • the end sections of the cables are stripped from their individual shielding coatings, so that each coating thus pulled out from the corresponding cable forms a unitary shielding strand, referred to as a "pigtail", extending from a terminal portion undocked strand.
  • These strands are brought back on an anvil ring at the back of the fitting.
  • a braid crimped on the front of the connector is then crimped via a crimp ring over the individual cable shielding coatings.
  • the mechanical stresses exerted by the fastening means on the anvil tend to deteriorate the shielding coatings.
  • the portion of strand between the front clamping nut of the connector and the anvil is very fragile.
  • the free length of the strands (about 5 to 10 cm.), Due to the distance between the anvil and the connector and the play necessary to not stress the strands, increases the transmission defects related to crosstalk and deteriorates as well. the electromagnetic protection performance of shielding thus connected.
  • the damaged ends must be cut by crimping the single strands of shielding. It is therefore necessary to provide an extra length for these strands.
  • connector rear connection comprising means for taking up the individual shielding of the cables, such as so-called gland or slot-type connections, or terminals, in which the pigtails are brought back to a cable gland system. or on a point of attachment by lug provided on the fitting.
  • These connections pose substantially the same difficulties as mentioned above in terms of mechanical stresses on the strands, the length of the latter or adaptation of the connection to the diameter of the strand.
  • the present invention aims to avoid these drawbacks by proposing a simple and inexpensive method of taking up individual shielding of the cables of a connector, where the strands will not be damaged by the connection means, and making it possible to optimize the length of the strands. shielding units and limit the number of rear connection references to be provided depending on the size of the strand.
  • the subject of the invention is a method for recovering the individual electromagnetic shielding of electrical cables from a strand to an electrical connector, said method consisting in:
  • the conductive padding strip makes it possible to bridge the gap between a strand and its connection, whatever the diameter of the strand, and not to excessively constrain the strands of the individual shielding of the cables.
  • the length of pig tails is reduced to a few millimeters.
  • said end portion of the strand is surrounded by a protective tape before winding the stuffing strip around the end portion of the strand thus wrapped.
  • This tape is used to mechanically protect the cables of the strand.
  • the electrical connection of the two half-shells to the connector is achieved by means of an annular shoulder formed at the front of an outer wall of the half-shells and provided to be clamped against an inner annular wall of a rear connector connector.
  • the electrical connection of the two half-shells to the connector is made by means of an annular toothing arranged in front of the half-shells and designed to mate with a toothing of shape complementary to the connector.
  • the mechanical connection of the two half-shells to the connector is made by means of a rear nut in which the assembly of the half-shells and the shrinking spring leaf are housed and supported, said nut rear screwing on a threaded portion of the connector or the rear connector connector.
  • the rear nut makes it possible to control the tightening torque exerted and the pressurization of the assembly.
  • the coupling means of the half-shells comprise, for example, an indentation oriented tangentially and made to a first end of the arc formed by each half-shell, and a complementary shape of teeth and made at the other end of the arc.
  • FIGS. 1 to 4 are longitudinal schematic views illustrating four successive stages of implementation of a first example method of recovery of the individual shielding of the cables of a strand on an electrical connector;
  • FIG. 5 is a sectional view along the line V-V of Figure 4.
  • Figure 8 is a front view illustrating the assembly of two half-shells apparent in Figures 6 and 7;
  • Figures 8a and 8b are detail views of coupling means of the half-shells of Figure 8;
  • Figure 9 is a sectional view along the line IX-IX of Figure 8.
  • FIG. 10 is a longitudinal sectional view of an apparent rear nut in Figures 6 and 7;
  • FIGS. 11 to 15 are views similar to Figures 6 to 10 and illustrating a second method of the invention according to the invention.
  • FIG. 1 shows a plurality of shielded electrical cables with a strand 1 and having contact terminations 4.
  • a first step of the method consists in stripping end sections of the strand 1 cables from their individual shielding coatings, so that each coating thus released from the corresponding bare cable 3 forms a strand unitary shielding 2, called "pigtail", which extends from an end portion of the strand 1 undewinded.
  • the terminations 4 of the cables are connected to an electrical connector 8, and a taping 5 is wrapped around the end portion of the strand 1. This taping 5 provides mechanical protection for the strand 1 cables.
  • a conductive padding strip 6 is then (see FIG. 3) wound around the wrapped end portion of the strand 1, while the unitary shield strands 2 are rolled up, distributing them homogeneously over the circumference of the terminal portion of the strand. 1, in successive windings of the stuffing strip 6. This operation of winding the stuffing strip 6 continues until the diameter of this end portion of the strand 1 reaches a predetermined value.
  • the stuffing strip 6, wrapped around the end portion of the strand 1, is encircled and gripped by a constant-force ring-shaped shrinking spring blade 7.
  • the process is identical regardless of the size of the connector 8 or the strand 1, the type or number of cables.
  • the same electrical potential of the shielding 2 of the cables and of the connector 8 is made by means of two half-shells 12 (see FIGS. 6 to 8).
  • a front portion (i.e. left on the longitudinal views) of the hooping spring blade 7 is enclosed between the two electrically conductive half-shells 12 coupled to each other and connected to a coupling rear 31 electrically conductive connector 8.
  • the rear connection 31 is straight but it could very well be bent, for example at 45 ° or 90 °.
  • An inner annular shoulder 24 of the two half-shells 12 is supported on this front portion of the shrinking spring blade 7.
  • An inner annular wall 23 of the two half-shells 12 abuts against the hooping spring blade 7 and ensures thus the centering and the good positioning of the latter.
  • the electrical connection of the two half-shells 12 to the rear connector 31 of the connector 8 is formed by means of an annular shoulder 29 formed at the front of an outer annular wall 22 of the two assembled half-shells 12 (see FIG. 9).
  • the annular shoulder 29 is clamped against an inner annular wall of the rear connector 31 (see Figure 7).
  • the shoulders 24 and 29 of the half-shells 12 are part of the path taken by the possible currents from the individual shielding wires 2 to the connector 8.
  • the coupling means of the half-shells 12 comprise an indentation 27 oriented tangentially and made at a first end of the arc formed by the half-shell 12, and a toothing 28 of shape complementary to said indentation and performed at the other end of the arc.
  • These two pairs of indentation 27 and toothing 28 form a self-centering system which provides a baffle for the electromagnetic waves. This system makes it possible to limit as much as possible the penetration of the electromagnetic disturbances in the Faraday chamber formed by the connection 31.
  • the mechanical connection of the two half-shells 12 to the connector 8 is achieved by means of a rear nut 9 in which the assembly of the half-shells 12 and the shrinking spring blade 7 are housed and supported.
  • the rear nut 9 is screwed by a threaded portion 17 (see Figure 10) on a threaded portion
  • the rear nut 9 is a hexagon nut 25 for torque tightening. He does not conduct electricity.
  • the outer annular wall 22 of the two half-shells 12 allows their centering and their good positioning in support against an inner annular wall 19 of large diameter of the rear nut 9.
  • An inner annular wall 20 of small diameter defining a well of the The rear nut 9 ensures the centering and the correct positioning of the shrinking spring blade 7.
  • An anti-friction washer 13 is disposed at the bottom 21 of the well of the rear nut 9.
  • the shrinking spring blade 7 receives the pressure of the bottom of the well 21 of the rear nut 9 through the support washer 13.
  • An O-ring 14 placed in an annular groove 18 formed on the inner wall 19 of the rear nut 9 seals between the rear nut 9 and the coupling 31.
  • the hooping spring blade 7 provides a compression of the stuffing 6 on the shielding strands 2 and a geometric consistency of the end portion of the strand 1 thus coated in terms of diameter (adapted to the rear connection) and width (bearing surface , that one does not try to deform, for the mechanical locking of the rear nut 9).
  • a sealing sleeve 11 is installed on the strand 1, then a heat-shrinkable part 10 seals between the rear nut 9 and the sleeve 11 by sealing bonding.
  • the shielding strands 2 are not damaged by the connection, their length is moderate and the cables are protected inside the connection 31.
  • FIG. 15 Another example of a method according to the invention is shown in the following figures 11 to 15.
  • the number of parts has been optimized, but this optimization can only be suitable for a straight connection.
  • the function of connection to the connector is here ensured by the half-shells 34. This is why the outer wall 22 of the half-shells 24 is strongly prolonged (see Figure 14).
  • the large-diameter inner wall 19 of the rear nut 35 is also extended to the same extent (see FIG. 15).
  • the electrical connection is made directly between the two half-shells 34 and the connector 8 by means of a ring-shaped connecting gear 16 (see FIGS. 13 and 14) formed at the front of the half-shells 34.
  • This toothing 13 is provided to mate with a toothing 15 of complementary shape of the connector 8.
  • the shape of the connecting toothing 16 of the half-shells 34 depends on the standard to which the connector 8 which receives this connection.
  • the teeth 15 and 16 are part of the path through which any currents going from the individual shields 2 of the cables 1 to the connector 8 circulate.
  • the invention also makes it possible to carry out repairs or evolutions of an electrical harness without the need for specific tools, electrical sources or heat, without the need to degas the aircraft beforehand, or to locate each cable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP09726564.9A 2008-03-19 2009-03-18 Verfahren zur beschleunigung der individuellen elektromagnetischen abschirmung eines elektrischen kabelstrangs in einem elektrischen verbinder Active EP2255417B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0801498A FR2929049B1 (fr) 2008-03-19 2008-03-19 Procede de reprise du blindage electromagnetique individuel de cables electriques d'un toron sur un connecteur electrique.
PCT/FR2009/050448 WO2009122093A2 (fr) 2008-03-19 2009-03-18 Procede de reprise du blindage electromagnetique individuel de cables electriques d'un toron sur un connecteur electrique

Publications (2)

Publication Number Publication Date
EP2255417A2 true EP2255417A2 (de) 2010-12-01
EP2255417B1 EP2255417B1 (de) 2013-10-23

Family

ID=39708883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09726564.9A Active EP2255417B1 (de) 2008-03-19 2009-03-18 Verfahren zur beschleunigung der individuellen elektromagnetischen abschirmung eines elektrischen kabelstrangs in einem elektrischen verbinder

Country Status (6)

Country Link
US (1) US8347495B2 (de)
EP (1) EP2255417B1 (de)
CN (1) CN101990728B (de)
ES (1) ES2441077T3 (de)
FR (1) FR2929049B1 (de)
WO (1) WO2009122093A2 (de)

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Publication number Priority date Publication date Assignee Title
DE102013003002A1 (de) * 2013-02-22 2014-08-28 Man Diesel & Turbo Se Kabeldurchführung
FR3003389B1 (fr) * 2013-03-15 2018-03-30 Thales Procede de reprise des blindages des cables d un toron sur un connecteur electrique et ensemble de connexion d un toron
US9411120B2 (en) * 2013-03-15 2016-08-09 Commscope, Inc. Of North Carolina Multi-cable breakout assembly
JP6409672B2 (ja) * 2015-05-14 2018-10-24 株式会社オートネットワーク技術研究所 電線モジュール
US10224668B2 (en) 2017-10-20 2019-03-05 Isodyne, Inc. Assembly for terminating an EMF shielded cable harness at an electrical component port
JP6819642B2 (ja) * 2018-03-30 2021-01-27 住友電装株式会社 ワイヤハーネス
FR3094844B1 (fr) * 2019-04-05 2021-09-03 Safran Helicopter Engines Connexion entre un harnais surblindé et un composant electrique
DE102020000120A1 (de) * 2020-01-10 2021-07-15 Yamaichi Electronics Deutschland Gmbh Halbschalenklemmhülse, Rundsteckverbinder und Stecksystem

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US2941028A (en) * 1956-08-10 1960-06-14 Phelps Dodge Copper Prod Solderless coaxial cable fitting
US4755152A (en) * 1986-11-14 1988-07-05 Tele-Communications, Inc. End sealing system for an electrical connection
JPH0658813B2 (ja) * 1988-11-08 1994-08-03 三菱電機株式会社 編組線シールドケーブルの接続構造
US5211576A (en) * 1991-09-27 1993-05-18 Glenair, Inc. Strain relief cable clamp
US6107572A (en) * 1994-07-29 2000-08-22 Sumitomo Wiring Systems, Ltd. Terminal-processed structure of shielded cable and terminal-processing method of the same
FR2733367B1 (fr) * 1995-04-19 1997-07-04 Axon Cable Sa Dispositif de raccord arriere pour connecteur electrique pour cable blinde
FR2733366B1 (fr) 1995-04-21 1997-05-23 Thomson Csf Dispositif de reprise de blindages de cables
JP2006129676A (ja) * 2004-11-01 2006-05-18 Fuji Xerox Co Ltd シールドケーブルの端末処理方法及び端末シールド構造と、端末シールド構造を利用した光送受信システム

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Title
See references of WO2009122093A3 *

Also Published As

Publication number Publication date
US8347495B2 (en) 2013-01-08
FR2929049A1 (fr) 2009-09-25
EP2255417B1 (de) 2013-10-23
ES2441077T3 (es) 2014-01-31
WO2009122093A2 (fr) 2009-10-08
CN101990728A (zh) 2011-03-23
WO2009122093A3 (fr) 2009-12-23
FR2929049B1 (fr) 2010-03-12
CN101990728B (zh) 2013-06-05
US20110146072A1 (en) 2011-06-23

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