EP0650219B1 - Vorrichtung zur Sicherstellung der Kontinuität der elektrischen Abschirmung von Kabeln - Google Patents

Vorrichtung zur Sicherstellung der Kontinuität der elektrischen Abschirmung von Kabeln Download PDF

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Publication number
EP0650219B1
EP0650219B1 EP94402246A EP94402246A EP0650219B1 EP 0650219 B1 EP0650219 B1 EP 0650219B1 EP 94402246 A EP94402246 A EP 94402246A EP 94402246 A EP94402246 A EP 94402246A EP 0650219 B1 EP0650219 B1 EP 0650219B1
Authority
EP
European Patent Office
Prior art keywords
electrical
tube
cables
bundle
screened
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94402246A
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English (en)
French (fr)
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EP0650219A1 (de
Inventor
Jacky Lignelet
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.)
Airbus Helicopters SAS
Original Assignee
Eurocopter France 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 Eurocopter France SA filed Critical Eurocopter France SA
Publication of EP0650219A1 publication Critical patent/EP0650219A1/de
Application granted granted Critical
Publication of EP0650219B1 publication Critical patent/EP0650219B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—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
    • 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
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule

Definitions

  • the present invention relates to an electrical connection for bundles of shielded cables, ensuring the electrical continuity of the shields during the electrical connection of said bundles.
  • harnesses For the transmission of information and commands, in particular in aircraft such as helicopters, it is necessary to form bundles of electric cables, also called “harnesses".
  • electrical cables In such harnesses, approximately 25% of electrical cables are shielded cables, comprising one or more conductors.
  • the shielding of these cables is necessary to limit interference, either by radiation of the signals which they carry, risking disturbing the environment, or because of their sensitivity to radiation from of the environment.
  • these harnesses are themselves surrounded by shielding, which allows overall protection of all cables, shielded or unshielded, forming said harnesses.
  • an electrical connecting conductor is connected to the shielding of each of the shielded cables of the bundle, for example by means of a heat-sealable sleeve comprising a solder ring arranged under a heat-shrinkable sheath.
  • These electrical connecting conductors are provided, at their free end, with a pin for connection intended to come into contact with a cooperating connection pin connected to the shielding of another beam, during the electrical connection of these beams.
  • bridging between the different shields is also carried out by means of electrical connection conductors, so as to connect them electrically to each other, which makes it possible to use only one connection pin. for connection to another beam, but which however requires, as previously, to practice welding between the shields and the associated electrical connecting conductors.
  • the object of the present invention is to remedy these drawbacks and relates to a connector making it possible to ensure the electrical continuity of the shields during the electrical connection of bundles of shielded cables, without resorting to the difficult and bulky arrangement, as explained above, of electrical connecting conductors.
  • the electrical connector intended for the electrical connection of shielded bundles of electrical cables, at least some of said electrical cables being shielded, said connector being connected, by one of its ends, to a shielded bundle electrical cables to connect and, at the other end, to a connector associated with said bundle and intended to make the electrical connection with a cooperating connector associated with at least one other bundle of shielded cables, is characterized in that its end opposite said bundle is made in the form of a tube formed to receive on its external face the shielding of said bundle, the bundle cables passing through the hollow internal space of the tube, and in that said fitting comprises an internal tube, of smaller diameter than said tube, which is fixed coaxially to the latter, with establishment of a connection electrical between the two tubes, the outer face of said inner tube being formed so as to allow the realization of an electrical connection with the shielding of each of the shielded electrical cables.
  • the electrical continuity of all the shields of a bundle to all the shields of another bundle is obtained directly by the mechanical connection of each fitting with the associated connector and by the connection of said cooperating connectors, this making it possible to remove the pins. connection used in known devices to ensure the electrical connection of shields.
  • the connector according to the invention avoids, above all, the difficult and bulky arrangement of the electrical connecting conductors used in the known devices, which provides very many advantages.
  • the electrical connection is such that said tube and said internal tube are offset relative to each other along their axis, said tube projecting from said internal tube opposite said connector and said internal tube protruding from said tube opposite said shielded beam.
  • said connector is produced in two symmetrical parts, which facilitates the production of said connector and also the automation of the manufacture of the beams.
  • Said tubes can have various shapes in section, for example a circular section or an oval section, which makes it possible to adapt the fittings to the shape of the bundle or to that of the associated connector.
  • said connector may include a transverse base plate, allowing it to be connected to an electrical connector provided with a module holder and a wiring chamber, such as that described in EP-A-0 619 625 or EP-A-0 619 626.
  • the present invention also aims to specify and improve the connection obtained by the implementation of the connector according to the invention.
  • said connector is not a separate element but constitutes a part of the connector.
  • the unshielded cables pass through the hollow internal space of the internal tube, the shielded cables pass through the space between said internal tube and said tube and are fixed to the face external of said internal tube, and the shielding of the beam is fixed on the external face of said tube.
  • the connector of the invention can be used differently. Provision may in fact be made for said electrical cables to pass through the hollow internal space of said inner tube and to the shielding of each of the shielded cables is connected an individual electrical conductor, said individual electrical conductors bypassing the end of the inner tube opposite of the connector and being fixed on the external face of said internal tube, the shielding of the bundle being fixed on the external face of said tube.
  • the means of fixing the shields on said tubes may, for example, comprise a cable-clamping ring, associated if necessary with conductive adhesive, or a conductive sheath, in particular a sheath made of a material known commercially under the name VITON (brand filed).
  • one of the main aims of the invention is to eliminate the electrical connecting conductors, it will be noted that it is nevertheless possible in certain cases, using the connector according to the invention as described above, to resort to to individual connecting conductors.
  • Figure 1 is a perspective view of the end of a bundle of electrical cables.
  • Figure 2 is a partial longitudinal section schematically illustrating the connection of a bundle of electrical cables, by means of a connector according to the present invention.
  • Figure 3 is a perspective view of a connection similar to that of Figure 2 with a partial cutaway at the connector.
  • Figure 4 is a cross section along the line IV-IV of Figure 2 showing the connector according to the invention.
  • FIG. 5 is a partial longitudinal section illustrating another mode of connection using the connector of FIG. 2.
  • FIG. 6 is a perspective view showing the connector used for the connection in FIG. 5.
  • the object of the present invention is to ensure electrical continuity of the shields during the electrical connection of bundles of shielded cables, similar to the bundle 1 shown in FIG. 1.
  • Said bundle 1 comprises electrical cables 2, 3, some of which are shielded and others not.
  • the unshielded cables 2 consist of at least one electrical conductor 4 surrounded by an insulating sheath 5, for example made of plastic.
  • the shielded cables 3, for their part, comprise inside to outside, in addition to an electrical conductor 4 and an insulating sheath 5 identical to those of unshielded cables 2, a metal shield 6, for example made of copper, and an insulating sheath 7.
  • this electrical continuity of the shields is obtained by associating with each of the harnesses to be connected, an electrical connection 28, made of a conductive material and shown in FIGS. 2 to 6. Said electrical connection 28 is secured, by the 'one of its ends 29, of the bundle 1 to be connected and, by its other end, of a conductive element 16, which will be explained below and which is associated with the usual electrical connector (not shown), used for the connection.
  • the connector 28 is intended to be connected, on the one hand, to the shields of a bundle 1 and, on the other hand, to an associated connector (not shown).
  • Said connector 28, of axis Y-Y has at its end 29 opposite the bundle 1, two tubes 30 and 31, of circular sections and of different diameters.
  • Said tubes 30 and 31 are arranged, coaxial with the axis YY, being offset relative to each other along said axis YY, so that the tube 31, of smaller diameter, is more extended towards the bundle 1 and less extended towards the connector than the tube 30.
  • These tubes 30 and 31 are, moreover, connected together by conductive walls 32 and 33 fixed respectively to each of said tubes.
  • Said connector 28 is fixed by its face 34 opposite to the harness 1 to a transverse base plate 35 making it possible to connect it to an electrical connector provided with a module holder and a wiring chamber, identical to the connectors described in the documents EP-A-0 619 625 and EP-A-0 619 626.
  • the connector 28 consists of four identical segments 28A, 28B, 28C and 28D fixed together (see for example Figures 4 and 6). According to another embodiment, said connector only consists of two parts, for example a first part formed by segments 28A and 28B and a second part formed by segments 28C and 28D.
  • the unshielded cables 2 are routed through the hollow internal space 37 of the tube 31, while the shielded cables 3 are routed to through the space 38 between the two tubes 30 and 31.
  • Said shielded cables 3 are, moreover, distributed radially and are brought into contact with the external face 39 of said tube 31.
  • Each of said shielded cables 3 is stripped on a stripping area 40, thus exposing the shielding 6, said areas 40 being distributed along a plane (not shown) transverse to the axis Y-Y.
  • the cables 3 are fixed to the external face 39 of the internal tube 31 by a conductive fixing means 41 surrounding said cables at the bare areas 40.
  • said fixing means 41 is, moreover, in contact with the tube 31, it makes it possible to establish an electrical connection between the connector 28 and the shields 6 of the cables 3.
  • the tube 30 has a diameter substantially equal to the sheath 11 of the envelope 8 of the bundle.
  • the shield 10 of the bundle is fixed to the external face 43 of said tube 30, by a fixing means 42, for example a cable clamp ring or a sheath, which surrounds said shield 10 (after stripping of the sheath of protection 9), thus establishing an electrical contact between said shield 10 and said connector 28.
  • both the unshielded cables 2 and the shielded cables 3 are routed through the internal space hollow 37 of the inner tube 31, the unshielded cables 2 being disposed near the axis YY and the shielded cables 3 being distributed radially outwards.
  • the tube 31 with a larger diameter than in FIGS. 2 to 4.
  • Each of the shielded cables 3 is associated with an electrical conductor 44 fixed by one 45 of its ends, for example by welding, on the bare area 40 of the corresponding shielded cable 3. Said electrical conductors 44 bypass the end 46 of the inner tube 31 opposite the bundle 1 and are brought into contact with the face external 39 of said tube 31 to be fixed therein by the fixing means 41.
  • said connector 28 is connected, at its face 35 opposite the bundle 1, to a conductive element 16 associated with the connector and shown diagrammatically in FIGS. 2 and 5, in order to clearly demonstrate that it can have a plurality of shapes adapted each time to the connector used.
  • It can, for example, consist of a connecting element, such as an axially movable screw (not shown) which can be arranged on a tubular end of the connector, making it possible to removably connect the connector to the connector.
  • a connecting element such as an axially movable screw (not shown) which can be arranged on a tubular end of the connector, making it possible to removably connect the connector to the connector.
  • said conductive element 16 can be part of the body of the connector, and the connection between this conductive element 16 and the connector 28 can be rigid so that the connector itself then forms an integral part of the connector.

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  • Cable Accessories (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (8)

  1. Elektrisches Verbindungsstück (28), das zur elektrischen Verbindung abgeschirmter Bündel (1) von elektrischen Kabeln (2, 3) bestimmt ist, wobei wenigstens einige der elektrischen Kabel abgeschirmt sind, wobei das Verbindungsstück (28) mit einem seiner Enden (29) mit einem zu verbindenden abgeschirmten Bündel (1) von elektrischen Kabeln (2, 3) und mit dem anderen Ende (34) mit einem Verbinder verbunden ist, der mit dem Bündel verbunden und dafür bestimmt ist, die elektrische Verbindung mit einem zusammenwirkenden Verbinder auszuführen, der mit wenigstens einem weiteren Bündel von abgeschirmten Kabeln verbunden ist, wobei sein dem Bündel gegenüberstehendes Ende (29) in Form einer Röhre (30) ausgeführt ist, die zur Aufnahme der Abschirmung (10) des Bündels (1) an ihrer Außenseite (43) ausgebildet ist, und wobei die Kabel des Bündels durch den hohlen Innenraum der Röhre (30) hindurchgehen, dadurch gekennzeichnet,
    daß das Verbindungsstück (28) eine innere Röhre (31) mit kleinerem Durchmesser als die Röhre (30) aufweist, die unter Aufbau einer elektrischen Verbindung zwischen den beiden Röhren (30, 31) koaxial an dieser letzteren angebracht ist, wobei die Außenseite (39) der inneren Röhre (31) so ausgebildet ist, daß die Ausbildung einer elektrischen Verbindung mit der Abschirmung (6) jedes der abgeschirmten elektrischen Kabel (3) ermöglicht wird.
  2. Elektrisches Verbindungsstück (28) nach Anspruch 1, dadurch gekennzeichnet, daß die Röhre (30) und die innere Röhre (31) entlang ihrer Achse (Y-Y) in bezug aufeinander versetzt sind, wobei gegenüber dem Verbinder die Röhre über (30) die innere Röhre (31) vorsteht und gegenüber dem abgeschirmten Bündel (1) die innere Röhre (31) über die Röhre (30) vorsteht.
  3. Elektrisches Verbindungsstück nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Röhre einen kreisförmigen Querschnitt aufweist.
  4. Elektrisches Verbindungsstück nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Röhre einen ovalen Querschnitt aufweist.
  5. Elektrisches Verbindungsstück nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß es aus zwei symmetrischen Teilen ausgebildet ist.
  6. Elektrisches Verbindungsstück nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß es eine quer verlaufende Basisplatte (35) aufweist, die gestattet, es mit einem elektrischen Verbinder zu verbinden, der mit einem Modulträger und einer Verdrahtungskammer versehen ist.
  7. Verbindung abgeschirmter Bündel (1) von elektrischen Kabeln (2, 3), wobei einige der elektrischen Kabel (3) abgeschirmt und die anderen elektrischen Kabel (2) nicht abgeschirmt sind, die ein elektrisches Verbindungsstück (28) nach einem der Ansprüche 1 bis 6 verwendet, dadurch gekennzeichnet, daß die nicht abgeschirmten Kabel (2) durch den hohlen Innenraum (37) der inneren Röhre (31) hindurchgehen, daß die abgeschirmten Kabel (3) durch den Raum (38) zwischen der inneren Röhre (31) und der Röhre (30) hindurchgehen und an der Außenseite (39) der inneren Röhre (31) befestigt sind, und daß die Abschirmung (10) des Bündels an der Außenseite (43) der Röhre (30) befestigt ist.
  8. Verbindung abgeschirmter Bündel (1) von elektrischen Kabeln (2, 3), wobei einige der elektrischen Kabel (3) abgeschirmt sind, die ein elektrisches Verbindungsstück (28) nach einem der Ansprüche 1 bis 6 verwendet, dadurch gekennzeichnet, daß die elektrischen Kabel (2, 3) durch den hohlen Innenraum (37) der inneren Röhre (31) hindurchgehen, daß mit der Abschirmung (6) jedes der abgeschirmten Kabel (3) ein eigener elektrischer Leiter (44) verbunden ist, wobei die einzelnen elektrischen Leiter (44) das Ende (46) der inneren Röhre (31) gegenüber dem Verbinder umgeben und an der Außenseite (39) der inneren Röhre (31) befestigt sind, und daß die Abschirmung (10) des Bündels (1) an der Außenseite (43) der Röhre (30) befestigt ist.
EP94402246A 1993-10-22 1994-10-06 Vorrichtung zur Sicherstellung der Kontinuität der elektrischen Abschirmung von Kabeln Expired - Lifetime EP0650219B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9312616 1993-10-22
FR9312616A FR2711850B1 (fr) 1993-10-22 1993-10-22 Procédé et dispositif pour assurer la continuité électrique de blindages de câbles.

Publications (2)

Publication Number Publication Date
EP0650219A1 EP0650219A1 (de) 1995-04-26
EP0650219B1 true EP0650219B1 (de) 1997-09-17

Family

ID=9452121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94402246A Expired - Lifetime EP0650219B1 (de) 1993-10-22 1994-10-06 Vorrichtung zur Sicherstellung der Kontinuität der elektrischen Abschirmung von Kabeln

Country Status (6)

Country Link
US (1) US5558539A (de)
EP (1) EP0650219B1 (de)
JP (1) JP3359760B2 (de)
CA (1) CA2134004C (de)
DE (1) DE69405679T2 (de)
FR (1) FR2711850B1 (de)

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Publication number Priority date Publication date Assignee Title
US6339193B1 (en) * 1995-01-24 2002-01-15 Engineered Transition Company, Inc. Multiple internal shield termination system
US6664466B2 (en) 2000-05-19 2003-12-16 Spirent Communications Of Rockville, Inc. Multiple shielded cable
DE10155409A1 (de) * 2001-11-10 2003-05-22 Nexans Anordnung zum Anschließen eines Steckverbinders an eine geschirmte elektrische Leitung
US7044795B2 (en) * 2003-04-01 2006-05-16 Hamilton Sundstrand Miniature, shielded electrical connector with strain relief
JP4573027B2 (ja) * 2004-08-26 2010-11-04 ウシオ電機株式会社 エキシマランプ点灯装置
JP4579059B2 (ja) * 2005-06-07 2010-11-10 トヨタ自動車株式会社 シールドシェル
JP5102443B2 (ja) * 2005-10-18 2012-12-19 矢崎総業株式会社 ワイヤーハーネス側シールドコネクタ
US7530847B2 (en) * 2006-12-08 2009-05-12 Caterpillar Inc. Impact-resistant, high-strength, braided wiring harness
KR101112439B1 (ko) * 2010-03-11 2012-02-22 주식회사 넥센테크 케이블 단부의 차폐층 마감방법
KR101112427B1 (ko) * 2010-03-11 2012-02-22 주식회사 넥센테크 케이블 단부 차폐층 마감기구
US8299362B2 (en) * 2010-12-23 2012-10-30 Metis Holdings Llc Cable adapter and adapted system
CN102663867B (zh) * 2012-04-17 2014-10-01 国网电力科学研究院 基于中压电缆屏蔽层载波的电缆实时防盗监控方法
US9413116B1 (en) * 2015-08-03 2016-08-09 Glenair, Inc. Slotted, clamped termination ring for an electrical connector assembly
FR3067177B1 (fr) * 2017-05-30 2019-07-26 Safran Electrical & Power Blindage electromagnetique pour extremite de cables blindes
JP6579398B2 (ja) * 2017-09-19 2019-09-25 Smk株式会社 シールドコネクタ及びその接続方法
JP6977691B2 (ja) * 2018-09-25 2021-12-08 株式会社オートネットワーク技術研究所 ワイヤハーネス
JP6973341B2 (ja) * 2018-09-25 2021-11-24 株式会社オートネットワーク技術研究所 ワイヤハーネス
JP2023023539A (ja) * 2021-08-05 2023-02-16 住友電装株式会社 ワイヤハーネス

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DE3913544A1 (de) * 1989-04-25 1990-10-31 Messerschmitt Boelkow Blohm Steckerendgehaeuse fuer ein geschirmtes kabelbuendel
GB9013689D0 (en) * 1990-06-19 1990-08-08 Raychem Ltd Electrical cable
FR2703841B1 (fr) * 1993-04-05 1995-06-16 Eurocopter France Connecteur electrique pourvu d'une pluralite de modules de connexion.
US5419271A (en) * 1994-02-24 1995-05-30 Arctco, Inc. Bilge pump control system for personal watercraft

Also Published As

Publication number Publication date
US5558539A (en) 1996-09-24
DE69405679T2 (de) 1998-02-19
EP0650219A1 (de) 1995-04-26
CA2134004C (fr) 2003-06-17
DE69405679D1 (de) 1997-10-23
FR2711850A1 (fr) 1995-05-05
FR2711850B1 (fr) 1995-12-29
CA2134004A1 (fr) 1995-04-23
JPH07272800A (ja) 1995-10-20
JP3359760B2 (ja) 2002-12-24

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