Shielding control cable for signal transmission

Abstract

The invention discloses a shielding control cable for signal transmission. The shielding control cable comprises a monitoring cable core, a power cable core, a control cable core, an upper-layer shielding shell and a lower-layer shielding shell; the upper-layer shielding shell and the lower-layer shielding shell are the same in size, after the upper-layer shielding shell and the lower-layer shielding shell are installed in an up-and-down butt joint mode, an integral shielding shell is formed, the vertical section of the integral shielding shell is of a kidney-shaped groove structure, the two ends of the integral shielding shell are of a semicircular structure, and the middle of the integral shielding shell is of a straight plate type structure; and vertical shielding plates are mounted on the inner walls of the upper-layer shielding shell and the lower-layer shielding shell. The shielding effect of the cable cores is achieved mainly through the upper-layer shielding shell and the lower-layer shielding shell, the two shielding shells are both copper shells, three areas are formed through the vertical shielding plates, and the three cable cores are arranged in the three areas respectively. Signal interference can be completely shielded through the shielding plate and the shielding shells which are wrapped outside, and the shielding effect is good.

Description

technical field [0001] The invention relates to the technical field of signal transmission cable equipment, in particular to a shielded control cable for signal transmission. Background technique [0002] In the prior art, signal transmission cables are used to transmit information data, usually the transmission of control signals, electrical signals, and optical fiber signals, and are widely used in some office enterprises, shopping malls, commercial buildings, monitoring areas such as subways, elevators, etc.; and the existing signal Cables for transmission need to have multiple sets of cable cores inside, such as power cable cores for power supply, signal cable cores for signal transmission, optical cable cores, monitoring cable cores, and control cable cores. Different cable cores are prone to interference with internal electromagnetic signals, resulting in information distortion and other situations. The method to solve this problem in the prior art is to set a layer of...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, signal transmission cables are used to transmit information data, usually the transmission of control signals, electrical signals, and optical fiber signals, and are widely used in some office enterprises, shopping malls, commercial buildings, monitoring areas such as subways, elevators, etc.; and the existing signal Cables for transmission need to have multiple sets of cable cores inside, such as power cable cores for power supply, signal cable cores for signal transmission, optical cable cores, monitoring cable cores, and control cable cores. Different cable cores, the internal electromagnetic signals are prone to interference, resulting in information distortion and other situations, and the solution to this problem in the prior art is to set a layer of shielding layer on each cable core

[0003] For example, the publication number is: CN 101162621A patent document discloses "a flat shielded cable for military equipment". The shielded cable in this patent document is mainly formed by setting the inner braid and The polyester film covering the inner copper mesh is used to achieve the signal shielding effect. The main technical core is to set up a double-layer shielding layer, and the material of the shielding layer is set to a copper mesh structure and an aluminum foil wrapping layer, through tinned copper wire Interlaced weaving; this technical solution still uses a mesh-like shielding net structure, and its shielding effect is general in actual use.

[0004] And there are also technical solutions with relatively novel structures in the prior art. For example, the patent document with publication number: CN104637582B discloses "a shielded cable". In this technical solution, a shielding film is provided, and each shielding film contains two The conductor group is set separately, and the shielding effect is better; but in this technical solution, the space occupied by the overall cable is relatively large, the total width of the cable is very large, and the structure of the shielding film is adopted, the overall cable The toughness is reduced, and the bending resistance and compression resistance will also be affected.

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