Dot transponder data transmission cable with improved structure
A data transmission cable and structural improvement technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problem of unstable electrical indicators such as cable working capacitance, characteristic impedance line pair attenuation, unstable core center distance, and affect the data transmission effect. and other problems to ensure the effect of data transmission and stable center distance
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Embodiment 1
[0020] See figure 1 , the cable core 1 and the structural layer 2 arranged outside the cable core 1 are given. The cable core 1 includes a pair of wires 11 that form (twisted into) a pair of twisted groups and a wrapping layer 12 that is wrapped around a pair of wires 11. . As the technical gist of the technical solution provided by the present invention, the aforementioned cable core 1 also includes a first filling rope 13 and a pair of second filling ropes 14, and the first filling rope 13 is arranged between a pair of conductors 11, that is to say , whether a pair of conductors 11 are not attached to each other as in the prior art, but keep a certain distance between each other, and this certain distance is just compensated by the aforementioned first filling rope 13, and the first filling rope 13 The center of the cross section and the center of the cross section of the pair of wires 11 are kept on the same straight line, that is to say kept on the same axis. A pair o...
Embodiment 2
[0025] please see figure 2 , compared to figure 1 That is, with respect to the structure of embodiment 1, the structural layer 2 also includes a comprehensive sheath layer 24, an inner lining layer 25 and a steel tape armor layer 26 except the inner and outer sheaths 21, 22 and the drain wire 23, The comprehensive sheath layer 24 is made of aluminum-plastic composite tape, and is located between the wrapping layer 12 and the inner sheath 21, while the inner lining layer 25 is made of polyethylene, and is located between the steel tape armor layer 26 and the inner sheath 21, The steel tape armor layer 26 is located between the inner lining layer 25 and the outer sheath 22 , and the drain line 23 is accompanied by the integrated sheath layer 24 . All the other are the same as the description to embodiment 1.
Embodiment 3
[0027] please see image 3 , as another structural form of the improved point transponder data transmission cable of the present invention, it includes a cable core 1 and a structural layer 2 outside the cable core 1, and the cable core 1 includes two pairs of wires 11 (that is, four wires 11 ) and the wrapping layer 12 wrapped outside the two pairs of wires 11, the structural layer 2 is located outside the wrapping layer 12, and the two pairs of wires 11 are twisted into a quadruple group. As a technical gist of the present invention, the cable core 1 also includes a first filling rope 13. Since there are four conductors 11, the filling rope 13 is placed at the central position of the four conductors 11, that is to say, the four conductors 1 are at the same distance from each other. After the zigzag arrangement, the voids generated between each other and located in the central area are just compensated by the first filling rope 13, and the first filling rope is a polypropyl...
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Abstract
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