Stretching-resistant high-temperature-resistant aerospace cable and preparation method thereof

An aerospace and high-temperature-resistant technology, applied in cable/conductor manufacturing, insulating cables, insulating conductors/cables, etc., can solve problems such as poor compatibility, crystallization, and unfavorable use, and achieve improved thermal stability and improved resistance. Ability to withstand and improve the effect of tensile strength

Active Publication Date: 2020-06-12
济南今日复兴电气集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cable of the invention has reliable signal transmission, strong anti-interference ability, good electrical conductivity, wear resistance and welding resistance, can ensure the normal operation of aerospace equipment in special environments, improve the safety of aerospace equipment, and has excellent performance. Heat resistance, cold resistance, dielectric properties, ozone resistance and atmospheric aging resistance, etc., can be used for a long time at -60°C to 250°C, and the silver-copper alloy conductor is composed of copper, silver, and graphene, but graphene As an inorganic component, it has poor compatibility with metals such as copper and silver without modification, and crystallization or even cracks may occur at low temperatures, which is not conducive to use

Method used

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  • Stretching-resistant high-temperature-resistant aerospace cable and preparation method thereof
  • Stretching-resistant high-temperature-resistant aerospace cable and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] like figure 1 Shown: A stretch-resistant and high-temperature resistant aerospace cable, including a high-temperature resistant sheath layer from outside to inside, a flame-retardant semi-conductive cloth tape layer wrapped, a glass fiber braided layer, a composite heat-insulating layer wrapped and a cable core ;

[0039] The cable core is composed of a plurality of wires twisted, and the wires are filled with aramid fibers. The wires include a core material and a polyimide wrapping wrapped around the core material; the core material includes a plurality of nickel-plated Copper alloy wires are stranded, and 20.5% mass fraction of nano-inorganic particles are added to the polyimide wrapping. The nano-inorganic particles are made of TiO with a particle size of 10-20nm 2 Particles and Al with a particle size of 50-100nm 2 o 3 The particles are mixed according to the weight to weight ratio of 5: 1;

[0040]The composite insulation layer wrapping includes synthetic mica ...

Embodiment 2

[0052] like figure 1 Shown: A stretch-resistant and high-temperature resistant aerospace cable, including a high-temperature resistant sheath layer from outside to inside, a flame-retardant semi-conductive cloth tape layer wrapped, a glass fiber braided layer, a composite heat-insulating layer wrapped and a cable core ;

[0053] The cable core is composed of a plurality of wires twisted, and the wires are filled with aramid fibers. The wires include a core material and a polyimide wrapping wrapped around the core material; the core material includes a plurality of nickel-plated Copper alloy wires are stranded, and 21% mass fraction of nano-inorganic particles are added to the polyimide wrapping. The nano-inorganic particles are made of TiO with a particle size of 10-20nm 2 Particles and Al with a particle size of 50-100nm 2 o 3 The particles are mixed according to the weight to weight ratio of 3:1;

[0054] The composite insulation layer wrapping includes synthetic mica pa...

Embodiment 3

[0066] like figure 1 Shown: A stretch-resistant and high-temperature resistant aerospace cable, including a high-temperature resistant sheath layer from outside to inside, a flame-retardant semi-conductive cloth tape layer wrapped, a glass fiber braided layer, a composite heat-insulating layer wrapped and a cable core ;

[0067] The cable core is composed of a plurality of wires twisted, and the wires are filled with aramid fibers. The wires include a core material and a polyimide wrapping wrapped around the core material; the core material includes a plurality of silver-plated Copper alloy wires are stranded, and 20.5% mass fraction of nano-inorganic particles are added to the polyimide wrapping. The nano-inorganic particles are made of TiO with a particle size of 10-20nm 2 Particles and Al with a particle size of 50-100nm 2 o 3 The particles are mixed according to the weight to weight ratio of 3: 1;

[0068] The composite insulation layer wrapping includes synthetic mica...

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Abstract

The invention discloses a stretching-resistant and high-temperature-resistant aerospace cable and a preparation method thereof. The stretching-resistant and high-temperature-resistant aerospace cablecomprises a high-temperature-resistant sheath layer, a flame-retardant semi-conductive cloth tape layer wrapping layer, a glass fiber woven layer, a composite heat insulation layer wrapping layer anda cable core from outside to inside, wherein the cable core is formed by twisting a plurality of wires, aramid fibers are filled among the wires, each wire comprises a core material and a polyimide wrapping layer wrapping the core material, and nano inorganic particles are added into the polyimide wrapping layer; the composite heat insulation layer wrapping comprises a synthetic mica paper base material, iron oxide red silica gel belts are adhered to the two faces of the synthetic mica paper base material through high-temperature-resistant inorganic adhesives, and glass paper is adhered to theouter sides of the iron oxide red silica gel belts through high-temperature-resistant inorganic adhesives. The aerospace cable disclosed by the invention is excellent in various performances, not only meets the performance requirements of all aerospace cables, but also considers various environmental conditions possibly existing in the application process, and has extremely high technological content and application prospect.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a stretch-resistant and high-temperature-resistant aerospace cable and a preparation method thereof. Background technique [0002] Wire and cable are used to transmit electric (magnetic) energy, information and wire products that realize electromagnetic energy conversion. In the broad sense, wires and cables are also referred to as cables for short. In the narrow sense, cables refer to insulated cables, which can be defined as: a collection composed of the following parts; one or more insulated cores, and their respective possible coatings. Protective layer and outer sheath, cables can also have additional uninsulated conductors. As the main carrier of power transmission, wires and cables are widely used in electrical equipment, lighting lines, household appliances, etc., and their quality directly affects engineering. Quality and personal and property safety. At present, there ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/02H01B7/17H01B7/18H01B7/22H01B7/29H01B7/295H01B13/00H01B13/02H01B13/10H01B13/26
CPCH01B7/02H01B7/17H01B7/18H01B7/22H01B7/29H01B7/295H01B13/00H01B13/02H01B13/10H01B13/26
Inventor 曾智
Owner 济南今日复兴电气集团有限公司
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