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Rubber-insulated wire optical cable

A technology of covered fiber optic cable and tightly wrapped optical fiber, applied in the direction of fiber mechanical structure, etc., can solve the problems of no reinforcement, strength influence, easy to be torn, etc., and achieve the effect of enhancing strength

Inactive Publication Date: 2012-03-14
JIANGSU QIBAO PHOTOELECTRIC GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

but it does not have stiffeners (such as figure 1 shown), its strength is greatly affected, and it is easy to be torn off during the complex indoor installation process

Method used

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  • Rubber-insulated wire optical cable
  • Rubber-insulated wire optical cable
  • Rubber-insulated wire optical cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as figure 2 , 3 As shown, the covered optical cable includes a tight-wrapped optical fiber 1, a sheath 2 wrapped outside the tight-wrapped optical fiber 1, and a strength member 3. The sheath 2 is an 8-shaped sheath, and the strength member 3 and the tightly wrapped optical fiber 1 are located at the two centers of the sheath 2 respectively.

[0023] The tight-clad optical fiber 1 includes an optical fiber core 11, a cladding 12 covering the optical fiber core 11, a resin coating 13 covering the cladding 12, and a polyfluorine coating covering the outer periphery of the resin coating 13. Vinyl sheath14. The resin coating 13 is a UV curing acrylic resin coating. The polyvinyl fluoride sheath 14 is extruded outside the resin coating 13 . The reinforcement 3 is made of FRP material.

Embodiment 2

[0025] Such as Figure 4 As shown, the difference from the first embodiment is that in the second embodiment, two tightly wrapped optical fibers are covered in the sheath 2 .

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PUM

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Abstract

The invention relates to a rubber-insulated wire optical cable which comprises at least one tightly packaged fiber and a jacket for covering outside the tightly packaged fiber, wherein the tightly packaged fiber comprises a polyvinyl fluoride reinforced optical fiber. The rubber-insulated wire optical cable also comprises a reinforced member, wherein the jacket is an 8-shaped jacket, and the reinforced member and the tightly packaged fiber are respectively arranged on two circle enters of the 8-shaped jacket. The reinforced member is additionally arranged on the tightly packaged fiber, thus the optical fiber meets the requirement of minimum bending radius and the strength of the optical cable is greatly enhanced.

Description

[0001] technical field [0002] The invention relates to a covered optical cable. [0003] Background technique [0004] At present, in the FTTH project, the indoor wiring has high requirements on the bending degree of the optical fiber. The existing tight-wrapped optical fiber uses the tight cladding wrapped outside the fiber core to replace the buffer layer and the strength member, so that the tight-wrapped optical fiber can meet the bending radius of 5mm. installation requirements. but it does not have stiffeners (such as figure 1 As shown), its strength is greatly affected, and it is easy to be torn off during the complex indoor installation process. [0005] Contents of the invention [0006] The object of the present invention is a new lead-in photoelectric composite cable with small bending radius and high strength. [0007] In order to achieve the above object, the technical solution adopted by the present invention is: a covered optical cable, which inc...

Claims

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Application Information

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IPC IPC(8): G02B6/44
Inventor 崔七宝陈炳炎
Owner JIANGSU QIBAO PHOTOELECTRIC GRP
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