High anti-pressure outdoor optical cable filler thereof

An outdoor optical cable and filler technology, applied in the direction of fiber mechanical structure, etc., can solve the problem of not fully meeting the needs of use, and achieve the effects of avoiding external environmental damage, convenient preparation, and strong mechanical protection.

Inactive Publication Date: 2014-06-25
JIANGSU MINGYANG CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing outdoor optical cables cannot fully meet the needs of use

Method used

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  • High anti-pressure outdoor optical cable filler thereof

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Effect test

Embodiment Construction

[0016] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0017] Such as figure 1 As shown, a high-pressure outdoor optical cable includes 5 or more cable cores 4, filling rope 5, central reinforcement 6, filling paste 7, plastic-coated steel strip 8, inner sheath 9, glass yarn 10, aluminum Belt 11 and outer sheath 12. The cable core 4 is composed of one or more optical fibers 1 wrapped by a loose tube 3 and a tube filler 2 . The cable core 4 and the filling rope 5 are twisted around the central reinforcement 6 and wrapped by a plastic-coated steel strip 8 , and a filling paste 7 is provided in the gap between the cable core 4 , filling rope 5 and the central reinforcement 6 . The inner sheath 9, the glass yarn 10, the aluminum strip 11 and the outer sheath 12 are wrapped sequentially outside the plastic-coated steel strip 8 from inside to outside. Wherein, the casing filler 2 is fiber paste, th...

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Abstract

The invention discloses a high anti-pressure outdoor optical cable and filler thereof. The optical cable comprises at least one optical fiber which is wrapped by a loose sleeving, and cable cores, filling ropes, a center enhancement member, filing paste, a coated steer stripe, an inner jacket, organdy, an aluminum strip and an outer jacket constituted by sleeving filling; the cable cores and the filling ropes are twisted and surround the center enhancement member and are wrapped by the coated steer stripe; the filling paste fills the gaps among the cable cores, the filling ropes and the center enhancement member; and the coated steel stripe is wrapped successively by the inner jacket, organdy, the aluminum stripe and the outer jacket from inside to outside. The high anti-pressure outdoor optical cable disclosed by the invention has a good bending capability and a strong mechanical protection capability, which can better prevent the external hazard and is strong in resisting pressure. The filling paste used by the high anti-pressure outdoor optical cable is simple in composition, easy for preparation and long in storage time, and will not rot after 5 years of storage. In a 110 DEG aging acceleration test, the high anti-pressure outdoor optical cable has no putrefactive phenomenon after 5 months and thus the service life of the optical cable is improved.

Description

technical field [0001] The invention relates to an optical cable, in particular to a high-pressure outdoor optical cable and a filler used therefor. Background technique [0002] An optical cable is a communication line in which a certain number of optical fibers form a cable core in a certain way, and is covered with a sheath, and some are also covered with an outer sheath to realize optical signal transmission. According to the transmission mode of the optical fiber, it is divided into single-mode optical fiber and multi-mode optical fiber. Single-mode fiber refers to the fiber that can only transmit one propagation mode in the working wavelength, and is usually referred to as single-mode fiber (SMF: Single Mode Fiber). At present, it is the most widely used optical fiber in cable TV and optical communication. Because the fiber core is very thin (about 10pm) and the refractive index is distributed in a step shape, when the normalized frequency V parameter is <2.4, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/44
Inventor 徐刚
Owner JIANGSU MINGYANG CABLE
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