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Self-supporting tight tube optical fiber bundling optical cable

A tight-buffered optical fiber and self-supporting technology, which is applied in the direction of fiber mechanical structure, can solve the problems of large joint loss, complicated construction, and reduced reliability, so as to reduce construction costs, reduce link optical fiber joint loss, and improve reliability. sexual effect

Inactive Publication Date: 2012-10-17
SUZHOU VOCATIONAL UNIV
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  • Application Information

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Problems solved by technology

In this way, multiple connections of optical fibers will cause complex construction, high cost, large joint loss, and reduced reliability.

Method used

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  • Self-supporting tight tube optical fiber bundling optical cable

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Embodiment Construction

[0009] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0010] see figure 1 , the embodiment of the present invention includes:

[0011] A self-supporting tight-buffered optical fiber bundled cable, the self-supported tight-buffered optical fiber bundled cable includes a tight-buffered optical fiber bundled cable core 1, a steel wire suspension wire 2 and a general outer sheath 3, the steel wire suspension wire 2 and the tight-buffered optical fiber bundled cable The core 2 is placed in parallel up and down and then wrapped and sealed by the overall outer sheath 3; the tight-buffered optical fiber bundled cable core 1 includes a plurality of tight-buffered optical fiber single-core indoor optical cables 4 twi...

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Abstract

The invention discloses a self-supporting tight tube optical fiber bundling optical cable, which comprises a tight tube optical fiber bundling cable core, a steel wire suspension wire and a total outer sheath, wherein the steel wire suspension wire and the tight tube optical fiber bundling cable core are covered and sealed by the total outer sheath after being vertically arranged in parallel; the tight tube optical fiber bundling cable core comprises a plurality of tight tube optical fiber single-core indoor optical cables which surround a central FRP reinforced core in forward and backward SZ twisting manner; and a wringing gap between the tight tube optical fiber single-core indoor optical cables is provided with water blockage yarn. The self-supporting tight tube optical fiber bundling optical cable also comprises a tearing rope arranged on the inner side of the bottom of the total outer sheath. In the above mode, the self-supporting tight tube optical fiber bundling optical cable can be used for directly connecting an optical network unit (ONU) which is output to tens of family users or business building users from an optical splitter. During the construction, connection in a leading out way can be carried out without shearing the optical cable, no other optical cables are required for adapting in the process, the link optical fiber joint loss is reduced, the construction cost is lowered, and the reliability is improved.

Description

technical field [0001] The invention relates to the field of cable and optical cable manufacturing, in particular to a self-supporting tight-buffered optical fiber bundled optical cable. Background technique [0002] In high-rise residential buildings or commercial office buildings in rural or urban areas, sometimes the optical fiber distribution box of the EPON optical network is tens or even hundreds of meters away from each household or user office. After it comes out, it is connected with an ordinary bundle-tube optical cable containing multi-core optical fibers. After reaching the residential staircase unit or a floor of a commercial building, each optical fiber in the ordinary bundle-tube optical cable is transferred to the Butterfly cables connect to residents' homes. In this way, multiple connections of optical fibers lead to problems such as complex construction, high cost, large joint loss, and reduced reliability. Contents of the invention [0003] The main te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/44
Inventor 俞兴明苏品刚
Owner SUZHOU VOCATIONAL UNIV
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