EP3179483A1 - Electrical conductor for aeronautical applications - Google Patents

Electrical conductor for aeronautical applications Download PDF

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Publication number
EP3179483A1
EP3179483A1 EP16199394.4A EP16199394A EP3179483A1 EP 3179483 A1 EP3179483 A1 EP 3179483A1 EP 16199394 A EP16199394 A EP 16199394A EP 3179483 A1 EP3179483 A1 EP 3179483A1
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EP
European Patent Office
Prior art keywords
strands
aluminum
copper
diameter
alloy
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EP16199394.4A
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German (de)
French (fr)
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EP3179483B1 (en
Inventor
Patrick Rybski
Sébastien Dablement
Werner WILCKEN
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Nexans SA
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Nexans SA
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08—Several wires or the like stranded in the form of a rope
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023—Alloys based on aluminium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/026—Alloys based on copper
    • 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
    • H01B7/0009—Details relating to the conductive cores

Definitions

  • the invention relates to an electrical conductor for aeronautical applications.
  • the document FR 3,009,126 discloses such a multi-stranded electrical conductor comprising at least one central silver aluminum strand and a plurality of silver copper strands disposed around this central strand.
  • this document describes a first conductor comprising an aluminum strand disposed in the center of the conductor, surrounded by six copper peripheral strands in contact two by two and arranged in a single layer.
  • a second conductor comprising seven aluminum strands arranged in the center of the conductor, a central strand surrounded by six strands, these seven strands being surrounded by twelve copper peripheral strands in contact two by two and arranged in a single layer.
  • he describes a third conductor comprising nineteen aluminum strands arranged at the center of the conductor, ie a central strand surrounded by six strands surrounded by twelve strands, these nineteen strands being surrounded by eighteen peripheral copper strands in contact with each other. in two and arranged in a single layer.
  • the diameter of the central aluminum strands is substantially equal to that of the peripheral copper strands.
  • the assembly cohesion strands is obtained by means of an assembly operation, commonly called stranding, and which allows by twisting and in a preferred pitch value, maintain the relative position of each strand relative to the others.
  • the aluminum strands are therefore of reduced diameter and their assembly by stranding is problematic given the fragility of these strands.
  • the invention proposes to reduce the use of aluminum strands of such small section.
  • the invention proposes a multi-stranded electrical conductor comprising a single central strand of aluminum or aluminum alloy and a plurality of conductive strands disposed in at least one layer around this central strand, characterized in that the ratio between the diameter of said central strand of aluminum or aluminum alloy and the diameter of the peripheral conductive strands is greater than or equal to 3.
  • the ratio between the diameter of said central strand of aluminum or aluminum alloy and the diameter of the peripheral conductive strands is between 13 and 5.
  • the diameter of all said peripheral conducting strands is substantially identical.
  • AMG American Wire Gauge
  • Brown and Sharp Wire Gauge is a unit of measurement used in the United States, among other things, to measure and standardize the diameter of a single-wire non-ferrous metal conductor.
  • This template is defined by the following data: AWG Diameter (mm) Section (mm 2 ) 12 2.05 3.31 13 1.83 2.62 14 1.63 2.08 15 1.45 1.65 16 1.29 1.31 17 1.15 1.04 18 1.02 0823 19 0912 0653 20 0.812 0518 21 0.723 0.410 22 0.644 0326 23 0573 0258 24 0511 0205 25 0455 0162 26 0405 0129 27 0361 0102 28 0321 0.0810 29 0286 0.0642 30 0255 0.0509
  • This gauge is also used to describe conductors with multiple stranded wires. In this case, it refers to a conductor whose cross section is equal to the total of the cross-sections of the individual wires, the space between individual wires not being considered.
  • the conductor being of AWG size between 16 and 30, comprising a single central strand of aluminum or aluminum alloy and a plurality of conductive strands disposed around this central strand, the ratio between the diameter of said strand aluminum or aluminum alloy and the diameter of said peripheral conductive strands is equal to 3, these conductive peripheral strands being in contact two by two and twelve in number.
  • said conductive strands are made of copper or copper alloy. They can also be hybrid, for example comprising an aluminum part and a copper part.
  • At least one of said conductive strands consists at least of a copper layer and a layer of silver-plated copper alloy, the silver mass content of which is between 0.1% and 0.5%.
  • the mass ratio represents the ratio of the mass of silver to the mass of silver-copper alloy.
  • the specific contribution of each strand consisting of a copper layer, and a layer of silver-copper alloy, whose mass ratio of silver is between 0.1% and 0.5%, is to allow the conductor to have a mechanical strength greater than that of a copper strand of equivalent section, without degrading the electrical conductivity.
  • the driver may have either a single strand or several strands of such a composition.
  • Said conductor may also comprise other conductive strands made of different compositions.
  • Strands arranged at the periphery of the conductor and consisting of at least a layer of copper and a copper layer silver minimize contact resistances, following the connection of the connecting parts by the user.
  • the strands are covered with a protective layer vis-à-vis corrosion.
  • the protective layer may be a nickel layer.
  • the invention also relates to an electrical cable consisting of at least one such conductor.
  • the driver represented on the figure 1 is of AWG size between 16 and 30 and comprises a single central strand 10 of aluminum or aluminum alloy and a plurality of strands 11 of copper or copper alloy disposed around this central strand.
  • the ratio between the diameter of the aluminum or aluminum alloy strand and the diameter of the copper or copper alloy strands is 3, these peripheral strands of copper or copper alloy being in contact two by two and twelve in number.
  • the ratio of the section of the aluminum or aluminum alloy strand to the section of the copper or copper alloy strands is 43%.
  • AWG strand characteristics are specified in the following Table No. 1.
  • AWG Caliber Number ⁇ thread Section Number ⁇ thread Section mm mm 2 mm mm 2 30 1 0.191 0,029 12 0.0635 0,038 28 1 0.236 0.044 12 0.0785 0.058 26 1 0.3 0,071 12 0.1 0.094 24 1 0,345 0.093 12 0.115 0,125 22 1 0.48 0,181 12 0.16 0.241 20 1 0.609 0.291 12 0.203 0.388 18 1 0,762 0.456 12 0,254 0.608 16 1 0.9 0.636 12 0.3 0.848
  • the driver represented on the figure 2 is of AWG 12 or 14 and comprises a single central strand 21 of aluminum or aluminum alloy and a plurality of strands 22 of copper or copper alloy disposed around this central strand.
  • the ratio between the diameter of the aluminum or aluminum alloy strand and the diameter of the copper or copper alloy strands is 5, these copper or copper alloy strands being in contact two by two and numbering eighteen.
  • the ratio of the section of the aluminum or aluminum alloy strand to the section of the copper or copper alloy strands is 58%.
  • AWG strand characteristics are specified in the following Table No. 2.
  • the driver represented on the figure 3 is of AWG 12 or 14 and comprises a single central strand 30 of aluminum or aluminum alloy and a plurality of strands 31 of copper or copper alloy disposed around this central strand.
  • the ratio between the diameter of the aluminum or aluminum alloy strand and the diameter of the copper or copper alloy strands is 3, these copper or copper alloy strands being in contact two by two and arranged in two layers of twelve and eighteen strands.
  • the ratio of the section of the aluminum or aluminum alloy strand to the section of the copper or copper alloy strands is 23%.
  • AWG strand characteristics are specified in the following Table No. 3.
  • Table n ° 3 Al strands / Al alloy AWG Caliber Number ⁇ thread Section mm mm 2 14 1 0,750 0.442 12 1 0.960 0.724 Cu strands / AlloyCu
  • the driver represented on the figure 4 is of AWG 12 or 14 and comprises a layer of six 40B aluminum strands on a central strand 40A and a plurality of strands of copper or copper alloy arranged in a single layer around these central strands.
  • the ratio of the diameter of the aluminum or aluminum alloy strands to the diameter of the copper or copper alloy strands It is equal to 1.67, with these copper or copper alloy strands being in close contact with each other and eighteen.
  • the ratio of the section of the aluminum or aluminum alloy strands to the section of the copper or copper alloy strands is equal to 52%.
  • AWG strand characteristics are specified in the following Table No. 4.
  • Table n ° 4 Al strands / Al alloy AWG Caliber Number Heart ⁇ thread Section Number Layer 1 ⁇ thread Section mm mm 2 mm mm 2 14 1 0.417 0,136 6 0.417 0.818 12 1 0.533 0.223 6 0.533 1,340 Cu strands / AlloyCu
  • the driver represented on the figure 5 is of AWG 12 or 14 and comprises a layer of twelve aluminum strands 50B on the central strand 50A and a plurality of strands 51 of copper or copper alloy arranged in a single layer around these central strands.
  • the ratio between the diameter of the central strand 50A of aluminum or aluminum alloy and the diameter of the strands of copper or copper alloy peripherals is equal to 3, these strands of copper or copper alloy peripherals being in contact with each other. two and eighteen.
  • the ratio between the section of aluminum or aluminum alloy strands 50A and 50B of aluminum or aluminum alloy and the Copper or copper alloy strands section is equal to 54%.
  • the ratio between the diameter of the central strand 50A of aluminum or aluminum alloy and the diameter of the strand layer of aluminum or aluminum alloy surrounding it it is also equal to 3.
  • AWG strand characteristics are specified in the following Table No. 5.
  • Table n ° 5 Al strands / Al alloy AWG Caliber Number Heart ⁇ thread Section Number Layer 1 ⁇ thread Section mm mm 2 mm mm 2 14 1 0,750 0.442 12 0,250 0.589 12 1 0.960 0.724 12 0,320 0.965 Cu strands / AlloyCu
  • the conductive strands are arranged together so that the circular section of the conductor is as circular as possible. Indeed, such a driver is easy to handle. In addition, its bending behavior is identical regardless of the direction of bending. It can therefore more easily be deployed and then connected to make an electrical connection between different devices.

Abstract

L'invention concerne un conducteur électrique multibrins comprenant un unique brin central en aluminium ou en alliage d'aluminium (10, 20, 30, 40A, 50A) et une pluralité de brins conducteurs (11, 21, 31, 41, 51) disposés en au moins une couche autour de ce brin central. Selon l'invention, le rapport entre le diamètre dudit brin central en aluminium ou en alliage d'aluminium et le diamètre desdits brins conducteurs périphériques est supérieur ou égal à 3.The invention relates to a multi-stranded electrical conductor comprising a single central strand of aluminum or aluminum alloy (10, 20, 30, 40A, 50A) and a plurality of conductive strands (11, 21, 31, 41, 51) arranged in at least one layer around this central strand. According to the invention, the ratio between the diameter of said central strand of aluminum or aluminum alloy and the diameter of said peripheral conductive strands is greater than or equal to 3.

Description

L'invention se rapporte à un conducteur électrique pour des applications aéronautiques.The invention relates to an electrical conductor for aeronautical applications.

Le document de brevet FR 3 009 126 décrit un tel conducteur électrique multibrins comprenant au moins un brin en aluminium argenté central et une pluralité de brins en cuivre argenté disposé autour de ce brin central.The document FR 3,009,126 discloses such a multi-stranded electrical conductor comprising at least one central silver aluminum strand and a plurality of silver copper strands disposed around this central strand.

Plus précisément, ce document décrit un premier conducteur comprenant un brin en aluminium disposé au centre du conducteur, entouré de six brins périphériques en cuivre en contact deux à deux et disposés en une seule couche.More specifically, this document describes a first conductor comprising an aluminum strand disposed in the center of the conductor, surrounded by six copper peripheral strands in contact two by two and arranged in a single layer.

Il décrit également un deuxième conducteur comprenant sept brins en aluminium disposés au centre du conducteur, soit un brin central entouré de six brins, ces sept brins étant entourés de douze brins périphériques en cuivre en contact deux à deux et disposés en une seule couche.It also discloses a second conductor comprising seven aluminum strands arranged in the center of the conductor, a central strand surrounded by six strands, these seven strands being surrounded by twelve copper peripheral strands in contact two by two and arranged in a single layer.

Il décrit enfin un troisième conducteur comprenant dix-neuf brins en aluminium disposés au centre du conducteur, soit un brin central entouré de six brins entourés de douze brins, ces dix-neuf brins étant entourés de dix-huit brins périphériques en cuivre en contact deux à deux et disposés en une seule couche.Finally, he describes a third conductor comprising nineteen aluminum strands arranged at the center of the conductor, ie a central strand surrounded by six strands surrounded by twelve strands, these nineteen strands being surrounded by eighteen peripheral copper strands in contact with each other. in two and arranged in a single layer.

Selon tous les modes de réalisation décrits, le diamètre des brins d'aluminium centraux est sensiblement égal à celui des brins de cuivre périphériques.According to all the embodiments described, the diameter of the central aluminum strands is substantially equal to that of the peripheral copper strands.

La cohésion d'assemblage des brins est obtenue au moyen d'une opération d'assemblage, communément appelée toronnage, et qui permet par torsadage et selon une valeur de pas préférentielle, de maintenir la position relative de chaque brin par rapport aux autres.The assembly cohesion strands is obtained by means of an assembly operation, commonly called stranding, and which allows by twisting and in a preferred pitch value, maintain the relative position of each strand relative to the others.

Les brins d'aluminium sont donc de diamètre réduit et leur assemblage par toronnage est problématique compte-tenu de la fragilité de ces brins.The aluminum strands are therefore of reduced diameter and their assembly by stranding is problematic given the fragility of these strands.

Par ailleurs, il est connu du document de brevet WO 2012/073843 un conducteur électrique multibrins comprenant un brin unique central éventuellement en aluminium ou en alliage d'aluminium central et une pluralité de brins conducteurs disposés en au moins une couche autour de ce brin central.Moreover, it is known from the patent document WO 2012/073843 a multi-stranded electrical conductor comprising a single central strand possibly made of aluminum or a central aluminum alloy and a plurality of conductive strands disposed in at least one layer around this central strand.

Sans compromettre la flexibilité du conducteur, l'invention propose de diminuer l'utilisation de brins d'aluminium de si petite section.Without compromising the flexibility of the conductor, the invention proposes to reduce the use of aluminum strands of such small section.

Pour ce faire, l'invention propose un conducteur électrique multibrins comprenant un brin unique central en aluminium ou en alliage d'aluminium et une pluralité de brins conducteurs disposés en au moins une couche autour de ce brin central, caractérisé en ce que le rapport entre le diamètre dudit brin central en aluminium ou en alliage d'aluminium et le diamètre des brins conducteurs périphériques est supérieur ou égal à 3.To do this, the invention proposes a multi-stranded electrical conductor comprising a single central strand of aluminum or aluminum alloy and a plurality of conductive strands disposed in at least one layer around this central strand, characterized in that the ratio between the diameter of said central strand of aluminum or aluminum alloy and the diameter of the peripheral conductive strands is greater than or equal to 3.

Selon un mode de réalisation préféré, le rapport entre le diamètre dudit brin central en aluminium ou en alliage d'aluminium et le diamètre des brins conducteurs périphériques est compris entre 13 et 5.According to a preferred embodiment, the ratio between the diameter of said central strand of aluminum or aluminum alloy and the diameter of the peripheral conductive strands is between 13 and 5.

De préférence, le diamètre de tous lesdits brins conducteurs périphériques est sensiblement identique.Preferably, the diameter of all said peripheral conducting strands is substantially identical.

Par ailleurs, le calibre appelé « American Wire Gauge » (d'acronyme AWG, également connu sous le nom de Brown and Sharp (B&S) Wire Gauge) est une unité de mesure utilisée aux États-Unis entre autres, permettant de mesurer et de standardiser le diamètre d'un conducteur métallique monobrin non-ferreux. Ce calibre est défini par les données suivantes : AWG Diamètre (mm) Section (mm2) 12 2.05 3.31 13 1.83 2.62 14 1.63 2.08 15 1.45 1.65 16 1.29 1.31 17 1.15 1.04 18 1.02 0.823 19 0.912 0.653 20 0.812 0.518 21 0.723 0.410 22 0.644 0.326 23 0.573 0.258 24 0.511 0.205 25 0.455 0.162 26 0.405 0.129 27 0.361 0.102 28 0.321 0.0810 29 0.286 0.0642 30 0.255 0.0509 In addition, the so-called "American Wire Gauge" (AWG, also known as the Brown and Sharp Wire Gauge) is a unit of measurement used in the United States, among other things, to measure and standardize the diameter of a single-wire non-ferrous metal conductor. This template is defined by the following data: AWG Diameter (mm) Section (mm 2 ) 12 2.05 3.31 13 1.83 2.62 14 1.63 2.08 15 1.45 1.65 16 1.29 1.31 17 1.15 1.04 18 1.02 0823 19 0912 0653 20 0.812 0518 21 0.723 0.410 22 0.644 0326 23 0573 0258 24 0511 0205 25 0455 0162 26 0405 0129 27 0361 0102 28 0321 0.0810 29 0286 0.0642 30 0255 0.0509

Ce calibre est également utilisé pour décrire des conducteurs à plusieurs fils toronnés. Dans ce cas, il se rapporte à un conducteur dont la section transversale est égale au total des sections transversales des fils individuels, l'espace entre fils individuels n'étant pas considéré.This gauge is also used to describe conductors with multiple stranded wires. In this case, it refers to a conductor whose cross section is equal to the total of the cross-sections of the individual wires, the space between individual wires not being considered.

Selon un mode de réalisation de l'invention, le conducteur étant de calibre AWG compris entre 16 et 30, comprenant un unique brin central en aluminium ou en alliage d'aluminium et une pluralité de brins conducteurs disposés autour de ce brin central, le rapport entre le diamètre dudit brin en aluminium ou en alliage d'aluminium et le diamètre desdits brins conducteurs périphériques est égal à 3, ces brins périphériques conducteurs étant en contact deux à deux et au nombre de douze.According to one embodiment of the invention, the conductor being of AWG size between 16 and 30, comprising a single central strand of aluminum or aluminum alloy and a plurality of conductive strands disposed around this central strand, the ratio between the diameter of said strand aluminum or aluminum alloy and the diameter of said peripheral conductive strands is equal to 3, these conductive peripheral strands being in contact two by two and twelve in number.

Avantageusement, lesdits brins conducteurs sont en cuivre ou en alliage de cuivre. Ils peuvent également être hybrides, comportant par exemple une partie en aluminium et une partie en cuivre.Advantageously, said conductive strands are made of copper or copper alloy. They can also be hybrid, for example comprising an aluminum part and a copper part.

De préférence, au moins un desdits brins conducteurs est constitué au minimum d'une couche de cuivre et d'une couche en alliage de cuivre argenté, dont le taux massique d'argent est compris entre 0,1% et 0,5%.Preferably, at least one of said conductive strands consists at least of a copper layer and a layer of silver-plated copper alloy, the silver mass content of which is between 0.1% and 0.5%.

Le taux massique représente le rapport entre la masse d'argent sur la masse d'alliage de cuivre argenté. La contribution spécifique de chaque brin constitué d'une couche en cuivre, et d'une couche d'alliage de cuivre argenté, dont le taux massique d'argent est compris entre 0,1% et 0,5%, est de permettre au conducteur d'avoir une résistance mécanique supérieure à celle d'un brin de cuivre de section équivalente, sans en dégrader la conductibilité électrique. Le conducteur peut posséder, soit un seul brin soit plusieurs brins d'une telle composition. Ledit conducteur peut également comprendre d'autres brins conducteurs constitués de compositions différentes.The mass ratio represents the ratio of the mass of silver to the mass of silver-copper alloy. The specific contribution of each strand consisting of a copper layer, and a layer of silver-copper alloy, whose mass ratio of silver is between 0.1% and 0.5%, is to allow the conductor to have a mechanical strength greater than that of a copper strand of equivalent section, without degrading the electrical conductivity. The driver may have either a single strand or several strands of such a composition. Said conductor may also comprise other conductive strands made of different compositions.

Des brins disposés en périphérie du conducteur et constitués au minimum d'une couche de cuivre et d'une couche de cuivre argentés permettent de minimiser les résistances de contact, consécutives au raccordement des pièces de connexion par l'utilisateur.Strands arranged at the periphery of the conductor and consisting of at least a layer of copper and a copper layer silver minimize contact resistances, following the connection of the connecting parts by the user.

Avantageusement, les brins sont recouverts d'une couche protectrice vis-à-vis de la corrosion.Advantageously, the strands are covered with a protective layer vis-à-vis corrosion.

Les contraintes mécaniques, les variations de température, d'hygrométrie et de pression, ainsi que les matériaux d'isolation, imposent en effet au conducteurs, et donc aux brins constituants ces conducteurs, une adaptation spécifique vis-à-vis des risques de corrosion.The mechanical stresses, variations in temperature, hygrometry and pressure, as well as the insulation materials, impose in fact on the conductors, and thus on the strands constituting these conductors, a specific adaptation with respect to the risks of corrosion. .

La couche protectrice peut être une couche de nickel.The protective layer may be a nickel layer.

L'invention concerne également un câble électrique constitué d'au moins un tel conducteur.The invention also relates to an electrical cable consisting of at least one such conductor.

L'invention est décrite ci-après plus en détail à l'aide de figures représentant uniquement des modes de réalisation préférés de l'invention.

  • La figure 1 est une vue en coupe transversale d'un premier mode de réalisation de l'invention.
  • La figure 2 est une vue en coupe transversale d'un deuxième mode de réalisation de l'invention.
  • La figure 3 est une vue en coupe transversale d'un troisième mode de réalisation de l'invention.
  • La figure 4 est une vue en coupe transversale d'un quatrième mode de réalisation de l'invention.
  • La figure 5 est une vue en coupe transversale d'un cinquième mode de réalisation de l'invention.
The invention is described below in more detail with the aid of figures representing only preferred embodiments of the invention.
  • The figure 1 is a cross-sectional view of a first embodiment of the invention.
  • The figure 2 is a cross-sectional view of a second embodiment of the invention.
  • The figure 3 is a cross-sectional view of a third embodiment of the invention.
  • The figure 4 is a cross-sectional view of a fourth embodiment of the invention.
  • The figure 5 is a cross-sectional view of a fifth embodiment of the invention.

Le conducteur représenté sur la figure 1 est de calibre AWG compris entre 16 et 30 et comprend un unique brin central 10 en aluminium ou en alliage d'aluminium et une pluralité de brins 11 en cuivre ou en alliage de cuivre disposés autour de ce brin central. Le rapport entre le diamètre du brin en aluminium ou en alliage d'aluminium et le diamètre des brins en cuivre ou en alliage de cuivre périphériques est égal à 3, ces brins périphériques en cuivre ou en alliage de cuivre étant en contact deux à deux et au nombre de douze. Le rapport entre la section du brin en aluminium ou en alliage d'aluminium et la section des brins en cuivre ou en alliage de cuivre périphériques est égal à 43%.The driver represented on the figure 1 is of AWG size between 16 and 30 and comprises a single central strand 10 of aluminum or aluminum alloy and a plurality of strands 11 of copper or copper alloy disposed around this central strand. The ratio between the diameter of the aluminum or aluminum alloy strand and the diameter of the copper or copper alloy strands is 3, these peripheral strands of copper or copper alloy being in contact two by two and twelve in number. The ratio of the section of the aluminum or aluminum alloy strand to the section of the copper or copper alloy strands is 43%.

Plus précisément, les caractéristiques des brins en fonction du calibre AWG sont précisées dans le tableau n°1 suivant. Tableau n°1 Brins d'Al/alliage d'Al Brins Cu/AlliageCu Calibre AWG Nombre Ø fils Section Nombre Ø fils Section mm mm2 mm mm2 30 1 0,191 0,029 12 0,0635 0,038 28 1 0,236 0,044 12 0,0785 0,058 26 1 0,3 0,071 12 0,1 0,094 24 1 0,345 0,093 12 0,115 0,125 22 1 0,48 0,181 12 0,16 0,241 20 1 0,609 0,291 12 0,203 0,388 18 1 0,762 0,456 12 0,254 0,608 16 1 0,9 0,636 12 0,3 0,848 Specifically, AWG strand characteristics are specified in the following Table No. 1. Table n ° 1 Al strands / Al alloy Cu strands / AlloyCu AWG Caliber Number Ø thread Section Number Ø thread Section mm mm 2 mm mm 2 30 1 0.191 0,029 12 0.0635 0,038 28 1 0.236 0.044 12 0.0785 0.058 26 1 0.3 0,071 12 0.1 0.094 24 1 0,345 0.093 12 0.115 0,125 22 1 0.48 0,181 12 0.16 0.241 20 1 0.609 0.291 12 0.203 0.388 18 1 0,762 0.456 12 0,254 0.608 16 1 0.9 0.636 12 0.3 0.848

Le conducteur représenté sur la figure 2 est de calibre AWG 12 ou 14 et comprend un unique brin central 21 en aluminium ou en alliage d'aluminium et une pluralité de brins 22 en cuivre ou en alliage de cuivre disposés autour de ce brin central. Le rapport entre le diamètre du brin en aluminium ou en alliage d'aluminium et le diamètre des brins en cuivre ou en alliage de cuivre périphériques est égal à 5, ces brins en cuivre ou en alliage de cuivre périphériques étant en contact deux à deux et au nombre de dix-huit. Le rapport entre la section du brin en aluminium ou en alliage d'aluminium et la section des brins en cuivre ou en alliage de cuivre périphériques est égal à 58%.The driver represented on the figure 2 is of AWG 12 or 14 and comprises a single central strand 21 of aluminum or aluminum alloy and a plurality of strands 22 of copper or copper alloy disposed around this central strand. The ratio between the diameter of the aluminum or aluminum alloy strand and the diameter of the copper or copper alloy strands is 5, these copper or copper alloy strands being in contact two by two and numbering eighteen. The ratio of the section of the aluminum or aluminum alloy strand to the section of the copper or copper alloy strands is 58%.

Plus précisément, les caractéristiques des brins en fonction du calibre AWG sont précisées dans le tableau n°2 suivant. Tableau n°2 Brins d'Al/alliage d'Al Brins Cu/AlliageCu Calibre AWG Nombre Ø fils Section Nombre Ø fils Section mm mm2 mm mm2 14 1 1,250 1,227 18 0,25 0,884 12 1 1,600 2,011 18 0,32 1,448 Specifically, AWG strand characteristics are specified in the following Table No. 2. Table n ° 2 Al strands / Al alloy Cu strands / AlloyCu AWG Caliber Number Ø thread Section Number Ø thread Section mm mm 2 mm mm 2 14 1 1,250 1,227 18 0.25 0.884 12 1 1,600 2,011 18 0.32 1,448

Le conducteur représenté sur la figure 3 est de calibre AWG 12 ou 14 et comprend un unique brin central 30 en aluminium ou en alliage d'aluminium et une pluralité de brins 31 en cuivre ou en alliage de cuivre disposés autour de ce brin central. Le rapport entre le diamètre du brin en aluminium ou en alliage d'aluminium et le diamètre des brins en cuivre ou en alliage de cuivre périphériques est égal à 3, ces brins en cuivre ou en alliage de cuivre périphériques étant en contact deux à deux et disposés en deux couches de douze et dix-huit brins. Le rapport entre la section du brin en aluminium ou en alliage d'aluminium et la section des brins en cuivre ou en alliage de cuivre périphériques est égal à 23%.The driver represented on the figure 3 is of AWG 12 or 14 and comprises a single central strand 30 of aluminum or aluminum alloy and a plurality of strands 31 of copper or copper alloy disposed around this central strand. The ratio between the diameter of the aluminum or aluminum alloy strand and the diameter of the copper or copper alloy strands is 3, these copper or copper alloy strands being in contact two by two and arranged in two layers of twelve and eighteen strands. The ratio of the section of the aluminum or aluminum alloy strand to the section of the copper or copper alloy strands is 23%.

Plus précisément, les caractéristiques des brins en fonction du calibre AWG sont précisées dans le tableau n°3 suivant. Tableau n°3 Brins d'Al/alliage d'Al Calibre AWG Nombre Ø fils Section mm mm2 14 1 0,750 0,442 12 1 0,960 0,724 Brins Cu/AlliageCu Calibre AWG Nombre Couche 1 Ø fils Section Nombre Couche 2 Ø fils Section mm mm2 mm mm2 14 12 0,250 0,589 18 0,25 0,884 12 12 0,320 0,965 18 0,32 1,448 Specifically, AWG strand characteristics are specified in the following Table No. 3. Table n ° 3 Al strands / Al alloy AWG Caliber Number Ø thread Section mm mm 2 14 1 0,750 0.442 12 1 0.960 0.724 Cu strands / AlloyCu AWG Caliber Number Layer 1 Ø thread Section Number Layer 2 Ø thread Section mm mm 2 mm mm 2 14 12 0,250 0.589 18 0.25 0.884 12 12 0,320 0.965 18 0.32 1,448

Le conducteur représenté sur la figure 4 est de calibre AWG 12 ou 14 et comprend une couche de six brins 40B en aluminium sur un brin central 40A et une pluralité de brins en cuivre ou en alliage de cuivre disposés en une couche unique autour de ces brins centraux. Le rapport entre le diamètre des brins en aluminium ou en alliage d'aluminium et le diamètre des brins en cuivre ou en alliage de cuivre périphériques est égal à 1,67, ces brins en cuivre ou en alliage de cuivre périphériques étant en contact deux à deux et au nombre de dix-huit. Le rapport entre la section des brins en aluminium ou en alliage d'aluminium et la section des brins en cuivre ou en alliage de cuivre périphériques est égal à 52%.The driver represented on the figure 4 is of AWG 12 or 14 and comprises a layer of six 40B aluminum strands on a central strand 40A and a plurality of strands of copper or copper alloy arranged in a single layer around these central strands. The ratio of the diameter of the aluminum or aluminum alloy strands to the diameter of the copper or copper alloy strands It is equal to 1.67, with these copper or copper alloy strands being in close contact with each other and eighteen. The ratio of the section of the aluminum or aluminum alloy strands to the section of the copper or copper alloy strands is equal to 52%.

Plus précisément, les caractéristiques des brins en fonction du calibre AWG sont précisées dans le tableau n°4 suivant. Tableau n°4 Brins d'Al/alliage d'Al Calibre AWG Nombre Coeur Ø fils Section Nombre Couche 1 Ø fils Section mm mm2 mm mm2 14 1 0,417 0,136 6 0,417 0,818 12 1 0,533 0,223 6 0,533 1,340 Brins Cu/AlliageCu Calibre AWG Nombre Ø fils Section mm mm2 14 18 0,25 0,884 12 18 0,32 1,448 Specifically, AWG strand characteristics are specified in the following Table No. 4. Table n ° 4 Al strands / Al alloy AWG Caliber Number Heart Ø thread Section Number Layer 1 Ø thread Section mm mm 2 mm mm 2 14 1 0.417 0,136 6 0.417 0.818 12 1 0.533 0.223 6 0.533 1,340 Cu strands / AlloyCu AWG Caliber Number Ø thread Section mm mm 2 14 18 0.25 0.884 12 18 0.32 1,448

Le conducteur représenté sur la figure 5 est de calibre AWG 12 ou 14 et comprend une couche de douze brins 50B en aluminium sur le brin central 50A et une pluralité de brins 51 en cuivre ou en alliage de cuivre disposés en une couche unique autour de ces brins centraux. Le rapport entre le diamètre du brin central 50A en aluminium ou en alliage d'aluminium et le diamètre des brins en cuivre ou en alliage de cuivre périphériques est égal à 3, ces brins en cuivre ou en alliage de cuivre périphériques étant en contact deux à deux et au nombre de dix-huit.The driver represented on the figure 5 is of AWG 12 or 14 and comprises a layer of twelve aluminum strands 50B on the central strand 50A and a plurality of strands 51 of copper or copper alloy arranged in a single layer around these central strands. The ratio between the diameter of the central strand 50A of aluminum or aluminum alloy and the diameter of the strands of copper or copper alloy peripherals is equal to 3, these strands of copper or copper alloy peripherals being in contact with each other. two and eighteen.

Le rapport entre la section des brins en aluminium ou alliage d'aluminium 50A et 50B en aluminium ou en alliage d'aluminium et la section des brins en cuivre ou en alliage de cuivre périphériques est égal à 54%. Quant au rapport entre le diamètre du brin central 50A en aluminium ou en alliage d'aluminium et le diamètre de la couche de brins en aluminium ou en alliage d'aluminium l'entourant, il est également égal à 3.The ratio between the section of aluminum or aluminum alloy strands 50A and 50B of aluminum or aluminum alloy and the Copper or copper alloy strands section is equal to 54%. As for the ratio between the diameter of the central strand 50A of aluminum or aluminum alloy and the diameter of the strand layer of aluminum or aluminum alloy surrounding it, it is also equal to 3.

Plus précisément, les caractéristiques des brins en fonction du calibre AWG sont précisées dans le tableau n°5 suivant. Tableau n°5 Brins d'Al/alliage d'Al Calibre AWG Nombre Coeur Ø fils Section Nombre Couche 1 Ø fils Section mm mm2 mm mm2 14 1 0,750 0,442 12 0,250 0,589 12 1 0,960 0,724 12 0,320 0,965 Brins Cu/AlliageCu Calibre AWG Nombre Ø fils Section mm mm2 14 18 0,25 0,884 12 18 0,32 1,448 Specifically, AWG strand characteristics are specified in the following Table No. 5. Table n ° 5 Al strands / Al alloy AWG Caliber Number Heart Ø thread Section Number Layer 1 Ø thread Section mm mm 2 mm mm 2 14 1 0,750 0.442 12 0,250 0.589 12 1 0.960 0.724 12 0,320 0.965 Cu strands / AlloyCu AWG Caliber Number Ø thread Section mm mm 2 14 18 0.25 0.884 12 18 0.32 1,448

Dans tous les cas, les brins conducteurs sont arrangés ensemble de manière à ce que la section circulaire du conducteur soit la plus circulaire possible. En effet, un tel conducteur est facile à manipuler. De plus, son comportement en flexion est identique, quelle que soit la direction de flexion. Il peut donc plus facilement être déployé puis raccordé afin de réaliser une liaison électrique entre différents dispositifs.In all cases, the conductive strands are arranged together so that the circular section of the conductor is as circular as possible. Indeed, such a driver is easy to handle. In addition, its bending behavior is identical regardless of the direction of bending. It can therefore more easily be deployed and then connected to make an electrical connection between different devices.

Claims (9)

Conducteur électrique multibrins comprenant un brin unique central en aluminium ou en alliage d'aluminium (10, 20, 30, 40A, 50A) et une pluralité de brins conducteurs (11, 21, 31, 41, 51) disposés en au moins une couche autour de ce brin central, caractérisé en ce que le rapport entre le diamètre dudit brin central en aluminium ou en alliage d'aluminium et le diamètre desdits brins conducteurs périphériques est supérieur ou égal à 3.A multi-stranded electrical conductor comprising a single central strand of aluminum or aluminum alloy (10, 20, 30, 40A, 50A) and a plurality of conductive strands (11, 21, 31, 41, 51) disposed in at least one layer around this central strand, characterized in that the ratio between the diameter of said central strand of aluminum or aluminum alloy and the diameter of said peripheral conductive strands is greater than or equal to 3. Conducteur selon la revendication précédente, caractérisé en ce que le rapport entre le diamètre dudit brin central en aluminium ou en alliage d'aluminium et le diamètre desdits brins conducteurs périphériques est compris entre 3 et 5.Conductor according to the preceding claim, characterized in that the ratio between the diameter of said central strand of aluminum or aluminum alloy and the diameter of said peripheral conductive strands is between 3 and 5. Conducteur selon la revendication 1 ou 2, caractérisé en ce que le diamètre de tous lesdits brins conducteurs périphériques est sensiblement identique.Conductor according to claim 1 or 2, characterized in that the diameter of all said peripheral conducting strands is substantially identical. Conducteur selon l'une des revendications précédentes, de calibre AWG compris entre 16 et 30, comprenant un unique brin central (10) en aluminium ou en alliage d'aluminium et une pluralité de brins (11) conducteurs disposés autour de ce brin central, caractérisé en ce que le rapport entre le diamètre dudit brin en aluminium ou en alliage d'aluminium et le diamètre desdits brins conducteurs périphériques est égal à 3, ces brins périphériques en conducteurs étant en contact deux à deux et au nombre de douze.Conductor according to one of the preceding claims, of AWG size between 16 and 30, comprising a single central strand (10) of aluminum or aluminum alloy and a plurality of conductive strands (11) arranged around this central strand, characterized in that the ratio between the diameter of said strand of aluminum or aluminum alloy and the diameter of said peripheral conductive strands is equal to 3, these peripheral conductor strands being in contact two by two and twelve in number. Conducteur selon l'une des revendications précédentes, caractérisé en ce que lesdits brins conducteurs périphériques sont en cuivre ou en alliage de cuivre.Conductor according to one of the preceding claims, characterized in that said peripheral conductive strands are made of copper or copper alloy. Conducteur selon l'une des revendications précédentes, caractérisé en qu'au moins un desdits brins conducteurs périphériques (11, 21, 31, 41, 51) est constitués au minimum d'une couche de cuivre et d'une couche d'alliage de cuivre argenté, dont le taux massique d'argent est compris entre 0,1% et 0,5%.Conductor according to one of the preceding claims, characterized in that at least one of said peripheral conductor strands (11, 21, 31, 41, 51) consists of at least one copper layer and one alloy layer. silver copper, the silver mass ratio of which is between 0.1% and 0.5%. Conducteur électrique selon l'une des revendications précédentes, caractérisé en ce que lesdits brins sont recouverts d'un couche protectrice vis-à-vis de la corrosion.Electrical conductor according to one of the preceding claims, characterized in that said strands are covered with a protective layer vis-à-vis corrosion. Conducteur électrique selon la revendication 7, caractérisé en ce que ladite couche protectrice est une couche de nickel.Electrical conductor according to claim 7, characterized in that said protective layer is a layer of nickel. Câble électrique constitué d'au moins un conducteur selon l'une des revendications précédentes.Electrical cable consisting of at least one conductor according to one of the preceding claims.
EP16199394.4A 2015-12-09 2016-11-17 Electrical conductor for aeronautical applications Active EP3179483B1 (en)

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US20170169915A1 (en) 2017-06-15

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