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Anti-ant large-core-number fiber ribbon cable

A technology of optical fiber ribbon and large number of cores, which is applied in the field of optical communication transmission, can solve the problems that the PVC outer sheath is vulnerable to ants, is used in unfavorable ant-infested areas, and the efficiency of divergent connection is low, so as to facilitate divergent connection, Save construction time and labor costs, and the effect of simple and reasonable structure setting

Inactive Publication Date: 2017-12-15
YANGTZE OPTICAL FIBRE AND CABLE JOINT STOCK LIMITED COMPANY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the existing optical cables adopt discrete optical fiber structure and high-density PVC outer sheath. The PVC outer sheath is easily attacked by ants, which is not conducive to use in ant-infested areas, and the loose fiber structure not only has a small fiber capacity of the optical cable. , The problem of low fiber density, and only one fiber can be fused during construction, and the efficiency of branching and splicing is low, which brings inconvenience to the use

Method used

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  • Anti-ant large-core-number fiber ribbon cable
  • Anti-ant large-core-number fiber ribbon cable

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Embodiment Construction

[0013] The embodiments of the present invention will be further described below in conjunction with the drawings.

[0014] The first implementation example figure 1 Shown here is a central beam tube type all-dry type anti-termite optical fiber ribbon optical cable, including a cable core and an outer sheath 1. The outer sheath is a nylon outer sheath, and the cable core is a central beam tube Type cable core, including a loose tube 3, the loose tube is a PBT loose tube, or a nylon loose tube, the loose tube is covered with an optical fiber ribbon 5, the optical fiber ribbon consists of 12 12-core optical fiber ribbons Stacked, the fiber of the optical fiber ribbon is 200μm small-diameter bending insensitive fiber; water blocking yarn 4 is also laid in the loose tube; the cable core is covered with a non-metallic reinforcing layer 2, which is made of aramid yarn or It is made of glass fiber, and the non-metallic reinforced layer is covered with a nylon outer sheath.

[0015] The se...

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Abstract

The invention relates to an anti-ant large-core-number fiber ribbon cable comprising a cable core and an outer sheath. The cable core includes loose tubes; and fiber ribbons are sleeved inside the loose tubes. The outer sheath is an outer nylon sheath; and a non-metallic reinforcement layer is arranged between the outer sheath and the cable core. According to the anti-ant large-core-number fiber ribbon cable provided by the invention, with the outer nylon sheath, ants can not bite the sheath, so that the damages on the optical cable by ant biting in a pipe at an area with a serious anti problem are prevented, the normal state of the cable is ensured, and the application region of the cable is extended. The cable based on a simple and reasonable structure has advantages of small cable diameter, high fiber density, large fiber capacity, and low duty ratio and can be laid in a pipe conveniently; and the bending performance is good. During branched connection, 4 to 24 fibers can be melted once, so that the construction time is saved and the manpower cost is lowered, and the construction efficiency is improved. On the basis of the full drying type dielectric structure, branched connection is realized conveniently and usage becomes convenient.

Description

Technical field [0001] The invention relates to a ant-proof large-core fiber ribbon optical cable that can be widely used in ant-infested areas, and belongs to the technical field of optical communication transmission. Background technique [0002] Most of the existing optical cables use a split fiber structure and a high-density polyvinyl chloride outer sheath. The polyvinyl chloride outer sheath is vulnerable to ants, which is not conducive to use in ant-infested areas. The bulk fiber structure not only has the small fiber capacity of the optical cable , The problem of low fiber density, and only one fiber can be fusion spliced ​​during construction fusion, and the efficiency of branch connection is low, which brings inconvenience to use. Summary of the invention [0003] The technical problem to be solved by the present invention is to provide an anti-ant large-core fiber ribbon optical cable in view of the above-mentioned deficiencies in the prior art. The optical cable can no...

Claims

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Application Information

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IPC IPC(8): G02B6/44
CPCG02B6/4403G02B6/443G02B6/4432G02B6/4434G02B6/44384
Inventor 阎浩熊智武熊安
Owner YANGTZE OPTICAL FIBRE AND CABLE JOINT STOCK LIMITED COMPANY
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