EP1006534B1 - Elektrisches Verbindungskabel - Google Patents

Elektrisches Verbindungskabel Download PDF

Info

Publication number
EP1006534B1
EP1006534B1 EP99403010A EP99403010A EP1006534B1 EP 1006534 B1 EP1006534 B1 EP 1006534B1 EP 99403010 A EP99403010 A EP 99403010A EP 99403010 A EP99403010 A EP 99403010A EP 1006534 B1 EP1006534 B1 EP 1006534B1
Authority
EP
European Patent Office
Prior art keywords
sheath
bundle
conductive wires
cable
cable according
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
EP99403010A
Other languages
English (en)
French (fr)
Other versions
EP1006534A1 (de
Inventor
Michel André Dunand
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 EP1006534A1 publication Critical patent/EP1006534A1/de
Application granted granted Critical
Publication of EP1006534B1 publication Critical patent/EP1006534B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0045—Cable-harnesses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0072—Electrical cables comprising fluid supply conductors

Definitions

  • the present invention relates to an electrical connection cable of the type comprising a bundle of initial conducting wires and a sheath internally delimiting a passage reserved for the installation of conductive wires additional.
  • Such electrical connection cables are used in airplanes in order to electrically connect different control devices electric. These cables run through receiving housings of the landing gear. They must therefore be resistant to external aggressions, since they are exposed, in these homes, directly to the environment outside the plane. They are then subjected to electromagnetic disturbances and external aggressions. In addition, the cables must be flexible to allow easy assembly and disassembly.
  • the harness conductive wires is placed inside a sheath with an inside diameter oversized, so that it internally delimits a reserved passage allowing the subsequent introduction of additional wires.
  • Additional wires may indeed be required in case installation of new electrical equipment or during improvements to the plane.
  • switch boxes increases the cost of wiring and makes it difficult to install in landing gear. It reduces by plus the electromagnetic protection of the cable, especially at high frequencies, that is to say for frequencies above 300 kHz.
  • the mass of the cable is important given the diameter important of the sheath and the presence of the boxes of clippings.
  • the invention aims to provide an electrical connection cable for easy addition of additional lead wires to sections of great length and having a reduced mass.
  • a cable according to the preamble of claim 1 is disclosed in GB 2 258 711 A.
  • the invention relates to an electrical connection cable of the aforementioned type, the beam initial conducting wires being placed outside the sheath, the cable comprising means for retaining the bundle of conductive wires initials along the sheath, characterized in that it comprises at least one end an end-piece defining a passage for the initial wire harness, and the sheath enters in said passage and leads into or beyond the passage.
  • FIG. 1 is shown an end section 10 of a cable electrical connection according to the invention. It is provided at its end with a bushing 12 ensuring the mechanical connection of the cable with a wall 14 of a electrical equipment to which the cable is connected 10.
  • the cable 10 comprises a bundle 16 of initial conducting wires and a sheath 18 internally defining a passage reserved for installation subsequent additional conductor wires.
  • the bundle 16 of initial conducting wires extends outwardly along the sheath 18.
  • the beam and the tube are held one against the other by a multilayer outer shell 20.
  • the bundle 16 is made up of insulated wiring wires and possibly shielded, formed of single wires, or of pairs or thirds of wires twisted. These wires are partially distributed around the sheath 18, being concentrated on the same side, as shown in Figure 2. They delimit thus, in section, a crescent moon.
  • the assembly formed of the bundle 16 of conductive wires and of the sheath 18 is twisted to form a strand.
  • the beam 16 and the sheath 18 then describe propellers nested.
  • the sheath 18 consists of a corrugated tube. So, it includes, following its length, an alternation of cylindrical sections of distinct diameters. More generally, the sheath 18 is advantageously delimited by a tubular wall comprising, along its length, projections and recesses successive.
  • the internal section of the sheath 18 is greater than 0.25 times the cross section of the bundle 16 of initial conducting wires.
  • the sheath 18 is made of PTFE (Poly (tetrafluoroethylene)) or PEEK (Polyether (etheracetone)).
  • the envelope 20 providing protection and retaining the bundle 16 and the sheath 18 has an internal taping 22 formed by a PTFE or polyester tape.
  • the ribbon is wound under helical shape with 50% overlap around beam 16 and sheath 18.
  • the taping 22 prevents wear of the conductive wires and allows to ensure their cohesion during the manufacture of the cable, and in particular during the establishment of the other layers of the envelope 20.
  • the ribbon constituting the ribbon 22 is arranged longitudinally around the bundle 16 and the sheath 18, the longitudinal edges tape being attached to each other with an overlap greater than 30 %.
  • the envelope 20 further comprises, tightened around the inner layer 22, a shielding braid 24, ensuring the electromagnetic protection of the cable vis-à-vis the disturbances encountered in its environment.
  • the shielding braid 24 is formed for example from round copper wires. nickel plated braided in a manner known per se.
  • the shielding braid is produced, for example by overstressing.
  • the bundle 16 and the striped sheath 18 are threaded into the braid shield 24, previously manufactured.
  • the envelope 20 has on the outside a sheath 26 of mechanical protection.
  • This consists for example of a textile braid or a heat-shrinkable sheath, for example made of NOMEX.
  • NOMEX is marketed by the company Du Pont de Nemours.
  • a drawing needle 28 is initially disposed at inside the sheath 18. It opens at its two ends.
  • This pulling needle allows the subsequent introduction of conducting wires extra from one end by attaching these to the needle draw. Pulling the pull needle from the opposite end allows conduct the added conductors along the entire length of the scabbard 18.
  • connection cable 10 comprises at its end a crossing 12 delimiting a passage 30 for the bundle of conducting wires 16.
  • the bundle 16 and the sheath 18 ribbons enter passage 30 and emerge beyond this.
  • the sheath 18 penetrates in the said passage and leads into it or beyond it, which allows the introduction of additional conductive wires through of the sheath 18 from inside the equipment delimited by the wall 14.
  • the mechanical protection sheath 26 and the shielding braid 24 are interrupted on the crossing 12 which they partially cover. Sheath 26 and the braid 24 are electrically and mechanically linked to the bushing 12 along successive staged sections 32, 34 on which they are applied.
  • connection cable as described here, additional wires can later be easily inserted into the sleeve 18 without risk of blocking and entanglement with the original conductors constituting the bundle 16.
  • the electrical connection cables can reach lengths of 10 m without breaking box, while allowing the addition of wires additional.
  • the cable described here has a passage 12 ensuring the connection of the cable to the box of electrical equipment.
  • the cable has a connector and the sleeve 18 then advantageously opens out inside the connector housing.
  • the cable has at least one end, a nozzle defining a passage in which, or beyond which, the sheath 18 opens.

Landscapes

  • Cable Accessories (AREA)
  • Insulated Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (9)

  1. Elektrisches Anschlusskabel (10) mit einem Anfangs-Drahtleitungs-Bündel (16) und einer Hülse (18), welche im Inneren einen Durchgang begrenzt, welcher für die Installation zusätzlicher Drahtleitungen reserviert ist, wobei das Anfangs-Drahtleitungs-Bündel (16) an der Außenseite der Hülse (18) angeordnet ist, wobei das Kabel (10) Mittel (20) zum Einbehalten des Anfangs-Drahtleitungs-Bündels (16) entlang der Hülse (18) aufweist, dadurch gekennzeichnet, dass es an mindestens einer Außenseite einen Kabelpressring (12) aufweist, der einen Durchgang (30) für das Anfangs-Drahtleitungs-Bündel (16) begrenzt, wobei die Hülse (18) diesen Durchgang (30) durchläuft und in den Durchgang (30) oder darüber hinaus von diesem einmündet.
  2. Kabel gemäß Anspruch 1, dadurch gekennzeichnet, dass es mindesten einen Leitungszug (28) aufweist, der sich im Inneren der Hülse (18) erstreckt.
  3. Kabel gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Mittel zum Einbehalten des Anfangs-Drahtleitungs-Bündels (16) und der Hülse (18) eine Außen-Schutzumhüllung (20) aufweisen, in welcher das Anfangs-Drahtleitungs-Bündel (16) und die Hülse (18) untergebracht sind.
  4. Kabel gemäß Anspruch 3, dadurch gekennzeichnet, dass die Außen-Umhüllung (20) innseitig eine Festhalte-Bebänderung (22) des Anfangs-Drahtleitungs-Bündels (16) gegen die Hülse (18) aufweist.
  5. Kabel gemäß Anspruch 3 oder 4, dadurch gekennzeichnet, dass die Außen-Umhüllung (20) ein elektromagnetisches Abschirmungs-Geflecht (24) aufweist.
  6. Kabel gemäß einem beliebigen der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass die Außen-Umhüllung (20) einen mechanischen und/oder thermischen Schutz-Mantel (26) aufweist.
  7. Kabel gemäß einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Hülse (18) von einer Rohr-Wandung begrenzt ist, welche entlang ihrer Länge aufeinanderfolgend Ansätze und Ausnehmungen aufweist.
  8. Kabel gemäß einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Abschnitt des Durchgangs, der von der Hülse (18) begrenzt ist, gleich mit wenigsten 25% des Gesamtabschnitts des Anfangs-Drahtleitungs-Bündels (16) ist.
  9. Kabel gemäß einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Anfangs-Drahtleitungs-Bündel (16) und die Hülse (18) spiralig gerollt sind, um eine Litze auszubilden.
EP99403010A 1998-12-04 1999-12-02 Elektrisches Verbindungskabel Expired - Lifetime EP1006534B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9815373A FR2786912B1 (fr) 1998-12-04 1998-12-04 Cable de raccordement electrique
FR9815373 1998-12-04

Publications (2)

Publication Number Publication Date
EP1006534A1 EP1006534A1 (de) 2000-06-07
EP1006534B1 true EP1006534B1 (de) 2004-08-11

Family

ID=9533624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99403010A Expired - Lifetime EP1006534B1 (de) 1998-12-04 1999-12-02 Elektrisches Verbindungskabel

Country Status (5)

Country Link
EP (1) EP1006534B1 (de)
AT (1) ATE273553T1 (de)
DE (1) DE69919305T2 (de)
ES (1) ES2227987T3 (de)
FR (1) FR2786912B1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385021A (en) * 1981-07-14 1983-05-24 Mobil Oil Corporation Method for making air hose bundles for gun arrays
FR2670602B1 (fr) * 1990-12-18 1995-02-03 Silec Liaisons Elec Assemblage de cables electriques.
FR2684247B1 (fr) * 1991-08-16 1997-05-09 Integral Corp Conduit de cables.

Also Published As

Publication number Publication date
EP1006534A1 (de) 2000-06-07
ATE273553T1 (de) 2004-08-15
FR2786912A1 (fr) 2000-06-09
DE69919305T2 (de) 2005-08-11
ES2227987T3 (es) 2005-04-01
FR2786912B1 (fr) 2001-02-16
DE69919305D1 (de) 2004-09-16

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