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Underground communication cable

An underground communication and cable technology, which is applied in the direction of communication cables, insulated cables, cables, etc., can solve the problems of short service life, general waterproof effect of communication cables, and lack of high temperature resistance, and achieve good high temperature resistance and good waterproof Function, long service life effect

Inactive Publication Date: 2017-02-22
CHENGDU JUZHI IND DESIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the existing communication cables have a general waterproof effect, do not have high temperature resistance, and have a short service life.

Method used

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  • Underground communication cable

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Embodiment Construction

[0013] Such as figure 1 As shown, an underground communication cable includes an optical fiber 1, a loose tube 2, a filling rope 3 and an aluminum-plastic tape layer 4, the optical fiber 1 is provided with two, and the outer side of the optical fiber 1 is provided with a loose tube 2. The outer side of the loose tube 2 is provided with a filling rope 3, the outer side of the filling rope 3 is provided with an aluminum-plastic tape layer 4, the inner side of the aluminum-plastic tape layer 4 is also provided with a nylon rope 11, and one side of the aluminum-plastic tape layer 4 is provided There are conductors 5 and steel strands 6, an insulating layer 7 is arranged on the outside of the conductor 5, more than one steel strand 6 is provided, a glass fiber layer 8 is arranged on the outside of the steel strand 6, and the glass fiber layer 8, a water-blocking tape layer 9 and a tetrafluoroethylene layer 10 are arranged in sequence on the outer side.

[0014] The diameter of the...

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Abstract

The invention discloses an underground communication cable including fibers, loose tubes, a filled rope and a plastic-aluminum band layer, the loose tubes are arranged outside the fibers, the filled rope is arranged outside the loose tubes, the plastic-aluminum band layer is arranged outside the filled rope, nylon ropes are arranged inside the plastic-aluminum band layer, one side of the plastic-aluminum band layer is provided with conductors and more than one steel strand, insulation layers are arranged outside the conductors, a glass fiber reinforced plastic fiber layer is arranged outside the steel strands, and a water-blocking band layer and a tetrafluoroethene layer are successively arranged outside the glass fiber reinforced plastic fiber layer. The underground communication cable has a good waterproof function, and is resistant to high temperature, and long in service life.

Description

technical field [0001] The invention relates to an underground communication cable. Background technique [0002] Through-wire cables are cables for the transmission of telephone, telegraph, fax documents, television and radio programmes, data and other electrical signals. It consists of more than one pair of mutually insulated wires twisted together. A cable core is composed of a plurality of mutually insulated wires or conductors, and a communication line with a sealed sheath on the outside. Some are also equipped with an outer sheath outside the sheath. There are various laying methods such as overhead, direct burial, pipeline and underwater. According to the structure, it is divided into symmetrical, coaxial and integrated cables; according to its function, it is divided into field and permanent cables (underground and submarine cables). The transmission frequency band of the communication cable is wider, the communication capacity is larger, and it is less affected ...

Claims

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Application Information

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IPC IPC(8): H01B7/18H01B7/22H01B7/28H01B7/282H01B7/29H01B11/22
CPCH01B11/22H01B7/1825H01B7/223H01B7/2806H01B7/2825H01B7/29
Inventor 文国栋
Owner CHENGDU JUZHI IND DESIGN
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