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Reserved light unit type optical fiber composite cable

A fiber optic composite cable and optical unit technology, applied in the direction of communication cables, cables, circuits, etc., can solve the problems of power line waste, increase cable laying costs, etc., and achieve the effect of reducing laying costs

Active Publication Date: 2012-05-16
JIANGSU HENGTONG PHOTOELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the power lines of the same length generated by the power unit are useless, which will cause waste of power lines and increase the cost of laying cables

Method used

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  • Reserved light unit type optical fiber composite cable
  • Reserved light unit type optical fiber composite cable
  • Reserved light unit type optical fiber composite cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] refer to figure 1 , figure 2 When making the present invention, an optical unit extension 2 about 20m longer than the power unit 1 is arranged at both ends of the cable, and a spring protective sleeve 4 is arranged on the outer surface of the optical unit extension 2, and a tight The metal mesh sleeve 5 fixed on the surface of the outer sheath 3 and the metal mesh sleeve connecting ring 6 connected with the traction rope 7, for the convenience of pulling the cable, a suspension ring 9 can be set at the tail end of the traction rope 7, around the extension section 2 of the optical unit Tensile steel wire 8 is set. In order to prevent water from entering both ends of the cable and the optical unit, the end faces of the cable and the optical unit can be sealed separately.

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Abstract

The invention provides a reserved light unit type optical fiber composite cable which comprises light units and an electricity unit which are arranged in a cable core, wherein the light units arranged at the two ends of the cable are respectively provided with an extending section about 20cm longer than the electricity unit; the surfaces of the extending sections of the light units are provided with spring protective jackets; and the two end parts of the cable are respectively provided with a metal mesh sleeve fastened on the surface of the outer protective jacket and a metal mesh sleeve connection ring connected with a pulling rope. When light-electricity separation is carried out in the process of construction and wiring, the extending sections of about 20cm are reserved in the light units at the two ends of the cable, thus meeting the requirement when the light units enter into a distributing box or a wiring box for connection; waste can not be caused for the electricity unit whichdose not need to reserve the extending section, thereby reducing the laying cost of the cable; and when the spring protective jackets arranged on the surfaces of the extending sections of the light units can protect the light units from being extruded, the metal mesh sleeves which are arranged at the two end parts of the cable and fastened on the surfaces of the outer protective jackets and the metal mesh sleeve connection rings connected with the pulling ropes can lead the cable to be stretched by the pulling rope, stress points are focused on the end parts of the cable, and the light units are not stressed so as not to be destroyed.

Description

technical field [0001] The invention relates to an optical fiber composite cable with composite functions of optical communication and power transmission, in particular to an optical fiber composite cable with a certain length of optical unit extensions reserved at both ends of the cable. Background technique [0002] In the existing optical fiber composite cable, the optical unit and the power unit in the cable core are equal in length at both ends of the cable. When the cable is separated from light to electricity during construction and wiring, the optical unit needs to be There is a reserved length of about 20m, and the power unit will also generate power lines of the same length. In the wiring of the power system, there is no requirement for the reserved length of the power unit. Therefore, the power lines of the same length generated by the power unit are useless, which will cause waste of power lines and increase the cost of laying cables. Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B11/22G02B6/44
Inventor 钱建林沈新华王英明周春东钱建荣孙中林马建林顾利国吴金华孙国华徐亚飞居志刚
Owner JIANGSU HENGTONG PHOTOELECTRIC
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