Compound audio-frequency control cable for locomotives
An audio control, composite technology, used in insulated cables, cables with double-stranded/quad-stranded, cables, etc., can solve the problems of non-tensile, low strength, short service life, etc. Softness, good shielding performance, easy bending effect
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[0017] The present invention will be further explained below in conjunction with the accompanying drawings.
[0018] As shown in the accompanying drawings, it is the video data cable for locomotives of the present invention. The locomotive video data cable includes a voice control cable 7 , a power control cable 4 and a power control cable 5 .
[0019] 1 voice control cable 7, 2 power control cables 4 and 6 power control cables 5 are wound into a circle by the wrapping tape 3, and the overall shielding layer 2 and the outer sheath are sequentially wrapped outside the wrapping tape 3 1; Between the wrapping tape 3 and the overall shielding layer 2, there is a drain wire 6 made of a tinned stranded wire.
[0020] The voice control cable 7 is composed of four inner conductor groups 9 wrapped around the wrapping tape 10, and a shielding layer 8 and an inner sheath 14 are arranged in sequence on the outer periphery of the wrapping tape 10; the inner conductor groups 9 are two wrap...
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