Waterproof composite cable

Abstract

The invention discloses a waterproof composite cable. The cable comprises a cable outer coating layer, an expansion protection layer is arranged in the cable outer coating layer. More than one connecting insertion rod is inserted into the outer side surface of the expansion protection layer, one end of each connecting insertion rod is inserted and fixed into the outer wall surface of the expansionprotection layer, the other end of each connecting insertion rod is inserted into a through hole formed in the cable outer coating layer in a sealing manner, and each connecting insertion rod extendsout of the cable outer coating layer after the expansion protection layer sucks air and expands; a cable mounting cavity is formed in the middle of the expansion protection layer; and more than one strand of cable core wires are arranged in the cable mounting cavity. The waterproof cable provided by the invention has very good pressure-resistant and waterproof functions, can achieve automatic sealing after being damaged, can inform maintenance personnel that the cable is damaged, can inform the maintenance personnel more intuitively, and can repair the cable in time.

Description

technical field [0001] The invention relates to a cable, in particular to a waterproof composite cable. Background technique [0002] Cables are used in many fields. The general structure of the cable is relatively simple, which includes the cable outer layer and the cable core wire. The cable core wire is set in the cable outer layer. Since the cable core wire is only protected by the cable outer layer, it If the protective layer is damaged a little, the external water will enter the inside of the cable. After long-term immersion in water, the inner protective layer of the inner cable core wire will be corroded, and a short circuit will occur, resulting in a reduction in the service life of the cable. Moreover, it is difficult to find the cable after it is damaged, especially when the damaged position is small. If it is not repaired in time at this time, it will cause more serious economic losses. Therefore, it is difficult to find the damaged part of the general cable, bec...

AI Technical Summary

Problems solved by technology

[0002] Cables are used in many fields. The general structure of the cable is relatively simple, which includes the cable outer layer and the cable core wire. The cable core wire is set in the cable outer layer. Since the cable core wire is only protected by the cable outer layer, it If the protective layer is damaged, the external water will enter the cable. After long-term immersion in water, the inner protective layer of the inner cable core wire will be corroded, and a short circuit will occur, resulting in a reduction in the service life of the cable.

Moreover, it is difficult to find the cable after it is damaged, especially when the damaged position is small. If it is not repaired in time at this time, it will cause more serious economic losses. Therefore, it is difficult to find the damaged part of the general cable, because the cable is not repaired in time. extensive damage to

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