Overhead cable

Abstract

The invention relates to an overhead cable. The overhead cable comprises aluminum alloy cores, aluminum conductors, water blocking yarns, an inner shielding and an outer insulation protection layer, wherein the aluminum alloy cores are aluminum twisted conductors, the aluminum conductors are arranged at the outer layers of the aluminum alloy cores in a matching way, each aluminum alloy core comprises an aluminum alloy wire core, the water blocking yarns are arranged between the single aluminum wire core and the single aluminum conductor in a matching way, the inner shielding is a semiconductor conductive layer, the semiconductor conductive layer uniformly wraps outside the aluminum conductors, and the outer insulation protection layer is arranged at the outer layer of the inner shielding. By the overhead cable, the service lifetime of the cable can be prolonged, the transmission performance and the flame retardant property of the cable can be improved to reach national standard, and the quality of a cable product is improved.

Description

technical field [0001] The invention relates to electric wires and cables, in particular to an overhead cable. Background technique [0002] Aerial cables need to use poles and towers, which occupy space on the ground and occupy a lot of land. They are greatly affected by climate conditions and the surrounding environment, and the stability of transmission performance is slightly poor. At the same time, the maintenance workload of overhead cables is large, and the possibility of electric shock is high. [0003] The loss of the existing traditional overhead cables is obvious, the whole is easy to age, the service life of the cables is low, and the transmission performance is unstable. Contents of the invention [0004] Aiming at the defects existing in the prior art, the present invention proposes an overhead cable, which can prolong the service life of the cable and improve the transmission performance of the cable. [0005] In order to achieve the above object, the pres...

AI Technical Summary

Problems solved by technology

[0002] Aerial cables need to use poles and towers, which occupy space on the ground and occupy a lot of land. They are greatly affected by climate conditions and surrounding environments, and the stability of transmission performance is slightly poor.

At the same time, the maintenance workload of overhead cables is heavy, and the possibility of electric shock is high

[0003] The loss of the existing traditional overhead cables is obvious, the whole is easy to age, the life of the cables is low, and the transmission performance is unstable

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