Skeleton cable

A skeleton and skeleton technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of joint failure, increase line loss, uneconomical, etc., and achieve the effects of reducing expenditure, increasing reliability, and saving costs

Inactive Publication Date: 2010-03-31
沈群华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when a cable with a long length is connected multiple times, multiple joints will be generated, and each joint will increase the loss of the line virtually, and failures will often occur at the joints; Each joint is installed with a splice package, which brings additional expenses to the user, so it is not economical

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] please see figure 1 , figure 2 and image 3 , a skeleton cable, which includes a cable core, is characterized in that: it also includes a skeleton 1, a protective layer 3 and an outer sheath 4; eight skeleton grooves 11 are provided on the skeleton, and the protective layer 3 is located on the skeleton Outside, the outer protective layer 4 is located outside the protective layer; the cable core is located in the skeleton groove 11, and the metal reinforcement 2 is also arranged inside the skeleton. The skeleton groove is located at the periphery of the skeleton and is evenly distributed. It is crescent-shaped, and the distribution of skeleton grooves along the skeleton axis is spiral. The pitch of the above-mentioned skeleton grooves along the skeleton axis is 200 mm. The skeleton material is polyethylene plastic, and the protective layer is non-woven fabric. The axial direction and longitudinal direction of the cable are covered outside the frame, the material of th...

Embodiment 2

[0027] please see Figure 4 and Figure 5 , basically the same as the first embodiment, except that the skeleton has four skeleton grooves 11 on the skeleton.

Embodiment 3

[0029] please see Figure 6 , a framed cable, which includes five sets of cable cores 5, characterized in that: it also includes a frame 1, a protective layer 3 and an outer sheath 4; five frame grooves 11 on the frame, the protective layer 3 Located outside the frame, the outer sheath 4 is located outside the protective layer; the cable core 5 is located in the frame groove 11, and the inside of the frame is also provided with a metal reinforcement 2, and the frame groove is located on the periphery of the frame, which is evenly distributed, and the frame groove The cross-sectional shape of the frame is trapezoidal, and the distribution of the frame grooves along the axis of the frame is spiral. The pitch of the above-mentioned frame grooves along the axis of the frame is 500 mm. The layer is covered outside the frame longitudinally along the axial direction of the frame. The material of the protective layer is low-smoke halogen-free polyethylene plastic. The cable core is a ...

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Abstract

The invention relates to the technical field of cables, in particular to a skeleton cable, which comprises at least one group of cable conductors (5), and is characterized in that: the skeleton cablealso at least comprises a skeleton (1), a protective layer (3) and an outer protection layer (4); the skeleton is at least provided with two skeleton grooves (11); the protective layer (3) is positioned outside the skeleton; the outer protection layer (4) is positioned outside the protective layer; and the cable conductors (5) are positioned in the skeleton grooves (11). The skeleton cable has thefollowing advantages of effectively reducing joint number of the whole cable, effectively reducing connection loss, saving connection time, improving the reliability of a system, decreasing unnecessary expenses in the connection process, saving cost, and having more convenient maintenance.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a skeleton cable. Background technique [0002] With the continuous development of electric power and telecommunications, various cables are widely used in various fields. Therefore, the cable industry has gradually become the basic industry of every country. In the existing cables, the insulated cores of the power transmission lines, signal lines, and telephone lines are usually placed in a protective layer, and when it is required to use, the entire protective layer is stripped to realize the connection of the wires. Therefore, when a cable with a long length is connected multiple times, multiple joints will be generated, and each joint will increase the loss of the line virtually, and failures will often occur at the joints; Each joint is installed with a splice package, which brings extra expenses to the user, so it is not economical. Contents of the invention [0003] The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/00H01B7/17
Inventor 沈群华
Owner 沈群华
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