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Completing seismic cable (optional)

机译:完成地震电缆(可选)

摘要

The invention relates to cable industry, in particular to seismic cables, and can be used for acquisition of geophone groups in the field during the seismic survey for transmitting electrical signals. The technical problem of the claimed utility model is to provide a new seismic cable having enhanced flexibility when working under conditions of a low negative temperatures and reduced electric resistance of conductive strands. It said technical problem is achieved by the fact that the set of seismic cable, in contrast to the prior art containing three combined current-conducting conductor with a polymeric insulation, stranded wires, some of which are copper and disposed over the common stranding of conductors, the shell, each conductive strand has three or four copper wire diameter of 0.23 mm and four or five bimetallic steel-copper wire of 0.22 mm diameter with the total number of wires in each strand equal to seven, the conductive core insulation vypo ying of polypropylene or polyethylene and the shell - from a thermoplastic elastomer or thermoplastic polyurethane or the second embodiment - PVC. In one embodiment, each strand has three conductive copper wire and four galvanized steel with a diameter of 0.25 mm.
机译:本发明涉及电缆工业,尤其涉及地震电缆,并且可以在地震勘测期间用于现场采集地震检波器以传输电信号。本实用新型的技术问题是提供一种新型的抗震电缆,在低负温度,导电线电阻降低的条件下工作时具有更大的柔韧性。所述技术问题是通过以下事实来实现的:与现有技术相比,该地震电缆组包含具有聚合物绝缘层的三个组合的导电导体,多股绞合线,其中一些是铜的并且布置在普通的绞合导体上在外壳中,每根导电线具有三根或四根直径为0.23 mm的铜线和四根或五根直径为0.22 mm的双金属钢-铜线,每根线中的导线总数等于七根,导电芯的绝缘层为聚丙烯或聚乙烯和壳-由热塑性弹性体或热塑性聚氨酯或第二个实施方案-PVC。在一个实施例中,每根股线具有三根导电铜线和四根直径为0.25mm的镀锌钢。

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