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High-density optical cable easy to lay

A high-density, optical cable technology, applied in the field of optical communication transmission, can solve problems such as unsatisfactory laying performance, small fiber capacity, and large volume, and achieve the effects of convenient construction and connection, increased fiber density, and small volume

Active Publication Date: 2022-03-08
YANGTZE OPTICAL FIBRE & CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing large-core-diameter optical cables still have the problems of small fiber capacity, large volume, and unsatisfactory laying performance

Method used

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  • High-density optical cable easy to lay
  • High-density optical cable easy to lay

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] It includes a layer-stranded cable core and an outer sheath covering the cable core. The layer-stranded cable core includes a non-metallic central strength member 101, and 6 thin flexible loose wires are stranded on the outer periphery of the non-metallic central strength member. For the sleeve 103, the tearing force of the thin flexible loose sleeve is ≤20N, and the loose sleeve can be easily peeled off by hand. A plurality of optical fiber ribbons 102 that can be crimped horizontally are laid in the thin flexible loose tube to reduce the gap between the optical fiber ribbon and the loose tube and increase the fiber density by 10% to 15%. The loose tube is filled with There is a dry water-blocking material, and the loose tubes in the cable core are filled with a dry-type water-blocking material, and the water-blocking material is water-blocking ...

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Abstract

The invention relates to an easy-to-lay high-density optical cable, which comprises a layer-stranded cable core and an outer sheath wrapping the cable core, and is characterized in that the cable core is wrapped with a water-blocking layer, the water-blocking layer is wrapped with the outer sheath, and the outer surface of the outer sheath is provided with lubricating blocks protruding outwards at intervals. The lubricating block comprises paraffin, epoxy resin, glycerol epoxy resin, silicon nitride, molybdenum disulfide and 1-hexyl-3-methylimidazolium hexafluorophosphate ionic liquid. The optical cable is reasonable and compact in structural arrangement, the optical fiber density of the large-core-number optical cable is improved by adopting the rollable optical fiber ribbon and the thin water-blocking material, the optical cable is high in fiber capacity, small in size, light in weight and convenient to blow and lay, and pipeline resources are saved; a lubricating block is arranged on the outer sheath, the friction coefficient between the optical cable and a pipeline can be reduced, the air-blowing laying performance of the optical cable is further improved, by arranging a cable opening groove, a thin flexible loose tube easy to strip and a full-dry type optical cable structure, the optical cable is more convenient to construct and splice, and the construction efficiency is further improved.

Description

technical field [0001] The invention relates to an easy-to-lay high-density optical cable, which belongs to the technical field of optical communication transmission. Background technique [0002] With the rise of labor costs, the optical cable structure with convenient construction, easy laying, and convenient maintenance is favored by operators. Convenient construction means that the sheath is easy to peel off, the water-blocking material is clean, the casing is easy to peel off, the air blowing performance is better and the air blowing distance is longer during air blowing construction, etc. The maintenance-friendly type refers to the ability to quickly identify optical cables to be maintained in dense ducts. On the other hand, with the gradual promotion and popularization of 5G technology, the communication capacity will show explosive growth, and the corresponding pipeline resources will become more and more tight. High-density optical cables with the same number of co...

Claims

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Application Information

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IPC IPC(8): G02B6/44
CPCG02B6/4401G02B6/4403G02B6/4429Y02P20/54
Inventor 丰波阎浩刘爱华刘喆驰郭凯熊胜明孙琦姜焕元
Owner YANGTZE OPTICAL FIBRE & CABLE CO LTD
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