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A kind of high reliability optical fiber composite insulator and preparation method thereof

A fiber composite and reliable technology, applied in insulators, fiber mechanical structures, electrical components, etc., can solve the problems of fiber breakage, failure, affecting life, etc., and achieve the effect of strong mechanical performance, simple structure, and improved reliability.

Active Publication Date: 2022-02-11
CHANGSHU INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] An object of the present invention is to provide a high-reliability optical fiber composite insulator to solve the problem that the internal optical fiber of the insulator is broken due to external high temperature and traction force, resulting in failure and affecting the service life

Method used

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  • A kind of high reliability optical fiber composite insulator and preparation method thereof
  • A kind of high reliability optical fiber composite insulator and preparation method thereof
  • A kind of high reliability optical fiber composite insulator and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1, please combine figure 1 and figure 2 As shown, the high-reliability optical fiber composite insulator involved in this embodiment includes a core rod 1, a skeleton 2, a first heat insulating layer 3, an umbrella shed 4 and fittings 5, and the core rod 1 includes an optical fiber cured body 10, a second heat insulating layer 11 and the mandrel body layer 12, the optical fiber cured body 10 is an epoxy resin rod, and the epoxy resin rod can be provided with 2 to 20 axially arranged optical fibers 101. In this embodiment, there are 6 optical fibers, and the 6 optical fibers are mutually The gaps between the optical fibers are filled with epoxy resin 102 . The optical fiber 101 has a core + cladding structure, wherein the core diameter is ≥ 3 mm, the outer diameter of the optical fiber 101 is ≥ 5 mm, and the refractive index n1 of the core and the refractive index n2 of the cladding need to meet: n1-n2 ≥ 0.6, the optical fiber 101 Allowable tensile strength ≥ ...

Embodiment 2

[0036] Embodiment 2, the structure of the high-reliability optical fiber composite insulator is the same as that of Embodiment 1, and its preparation method is as follows:

[0037] S1. Arrange 6 optical fibers 101 in the first mold, fill the epoxy resin 102 isolating the optical fibers 101 between the optical fibers 101 and cure to obtain the optical fiber cured body 10, after completion, the epoxy resin 102 is coated on the outside of all the optical fibers 101, The optical fiber 101 is arranged along the axial direction of the optical fiber cured body 10;

[0038] S2. Coating and curing the second heat insulating layer 11 made of glass fiber and silicate on the outside of the optical fiber cured body 10 through the second mold. The cross section of the body 10 is at the center of the cross section of the second heat insulating layer 11;

[0039] S3. Cover and solidify the mandrel body layer 12 outside the second heat insulating layer 11 by drawing process through the third ...

Embodiment 3

[0043] Embodiment 3, the structure of the high-reliability optical fiber composite insulator is the same as that of Embodiment 1, and its preparation method is as follows:

[0044] S1. Arrange 6 optical fibers 101 in the first mold, fill the epoxy resin 102 isolating the optical fibers 101 between the optical fibers 101 and cure to obtain the optical fiber cured body 10, after completion, the epoxy resin 102 is coated on the outside of all the optical fibers 101, The optical fiber 101 is arranged along the axial direction of the optical fiber cured body 10;

[0045] S2. Coating and curing the second heat insulating layer 11 made of glass fiber and silicate on the outside of the optical fiber cured body 10 through the second mold. The cross section of the body 10 is at the center of the cross section of the second heat insulating layer 11;

[0046] S3. Cover and solidify the mandrel body layer 12 outside the second heat insulating layer 11 by drawing process through the third ...

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Abstract

The invention discloses a high-reliability optical fiber composite insulator, which includes a core rod, a skeleton, a first heat insulating layer, a shed and fittings, the core rod includes an optical fiber cured body, a second heat insulating layer and a core rod body layer, and the optical fiber cured body is Epoxy resin rod, the epoxy resin rod is provided with at least two optical fibers arranged in the axial direction and spaced from each other, the second heat insulating layer is coated and cured outside the optical fiber cured body, and the core rod body layer is coated and cured on the second insulating layer In addition, the skeleton is a number of epoxy resin rings that are solidified on the outer peripheral surface of the mandrel at intervals in the axial direction. The first heat insulating layer is coated and cured outside the skeleton and filled to connect adjacent epoxy resin rings. The shed is covered and cured on the Each umbrella surface is formed outside the first heat insulating layer and at the position of the epoxy resin ring, the first heat insulating layer is made of glass fiber, and the second heat insulating layer is made of glass fiber mixed with silicate. The invention also discloses a preparation method of curing sequentially from the inside to the outside. The invention solves the problem that the optical fiber inside the insulator is broken due to external high temperature and traction force, resulting in failure and affecting the service life.

Description

technical field [0001] The invention relates to an insulator and a preparation method thereof, in particular to a high-reliability optical fiber composite insulator and a preparation method thereof. Background technique [0002] Composite insulators are a special insulation control that can play an important role in overhead transmission lines. Insulators play two basic roles in overhead transmission lines, namely supporting wires and preventing current from returning to the ground. These two functions must be guaranteed. Insulators should not fail due to various stresses caused by changes in the environment and electrical load conditions, otherwise It will damage the service life and operating life of the entire line. The combination of composite insulators and optical fibers can realize monitoring, information collection and transmission under high voltage, and facilitate the safe operation and timely maintenance of power transmission and transformation lines. [0003] I...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B17/38H01B19/00G02B6/44
CPCH01B17/38H01B19/00G02B6/44
Inventor 王书昶丁恒娄祎祎穆久涛况亚伟刘玉申
Owner CHANGSHU INSTITUTE OF TECHNOLOGY
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