Environment-friendly high-temperature resistant fireproof cable for aviation
A fireproof cable, high temperature resistant technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of casualties, easy cracking and aging of insulation, poor safety and reliability performance, etc., to reduce fire occurrence, ensure electrical conductivity, reduce copper effect of dosage
Inactive Publication Date: 2015-02-04
ANHUI MENTOR CABLE GROUP
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Problems solved by technology
However, the anti-interference ability of cables currently used in aerospace is not strong, which can easily cause disordered transmission signals, and even cause casualties or property losses
In addition, its weight cannot meet the requirements of aerospace
At present, the cable insulation used in transmission cables in aerospace and other fields is thick, bulky, and heavy, and the insulation is easily cracked and aged after being radiated by high-energy electrons in outer space, and the safety and reliability performance is poor.
Therefore, the existing aviation cables can no longer meet the requirements of aerospace products in the direction of miniaturization, light weight, and high reliability.
Method used
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[0011] Such as figure 1 as shown, figure 1 It is a structural schematic diagram of an environment-friendly, high-temperature-resistant and fire-resistant cable for aviation proposed by the present invention.
[0012] refer to figure 1 , an environment-friendly, high-temperature-resistant and fireproof cable for aviation proposed by the present invention, comprising a cable core, a wrapping layer 2, a fireproof layer 3, and a sheath layer 4;
[0013] The cable core is formed by three conductors 1 arranged in parallel and vertically;
[0014] Each wire 1 includes an aluminum alloy support tube 11 located in the middle. The aluminum alloy support tube 11 has a circular cross section, and the aluminum alloy support tube 11 is covered with a conductor layer 12 wound by a plurality of tinned copper wires to form a circle. Ring cross-section; using the copper conductor skin principle, while ensuring the electrical conductivity of the cable, reducing the amount of copper and the to...
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The invention discloses an environment-friendly high-temperature resistant fireproof cable for aviation. A lapping layer, a fireproof layer and a sheath layer sequentially wrap the outside of a cable core, a ceramic fiber tape laps to form the lapping layer, a conductor center of each wire is provided with an aluminum alloy supporting tube, a plurality of conductor layers wrap the outside of the aluminum alloy supporting tubes, a plurality of tinned copper wires are wound to form the conductor layers, and each conductor is provided with a semi-conductive shielding layer and a metal plastic composite layer. The environment-friendly high-temperature resistant fireproof cable for aviation is high in current carrying capacity, light in weight, excellent in high-temperature resistance and fire resistance and applicable to use in a spacecraft instrumentation environment for a long time.
Description
technical field [0001] The invention relates to the technical field of cables, in particular to an environment-friendly, high-temperature-resistant and fire-resistant cable for aviation. Background technique [0002] With the development of aerospace technology, the requirements for the safety performance, radiation resistance, insulation performance and volume weight of the wire and cable wiring system in the aircraft are getting higher and higher. However, the anti-interference ability of the cables currently used in aerospace is not strong, which may easily cause disordered transmission signals, and even cause casualties or property losses. In addition, its weight cannot meet aerospace requirements. At present, the cable insulation used in transmission cables in aerospace and other fields is thick, bulky, and heavy, and the insulation is easily cracked and aged after being radiated by high-energy electrons in outer space, and the safety and reliability are poor. Therefo...
Claims
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IPC IPC(8): H01B7/17H01B7/29
Inventor 周国庆陆书东
Owner ANHUI MENTOR CABLE GROUP