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Low-voltage overhead parallel bunched insulated wire with prefabricated micro tubules for blown optical cables

A technology of insulated wires and optical cables, applied in the direction of insulated conductors, power cables for overhead applications, insulated cables, etc., can solve the problems of asynchronous design and construction, inflexibility of optical fibers, and many connection points, etc., to improve transmission Quality and reliability, the effect of reducing the number of fiber optic connectors

Inactive Publication Date: 2016-02-24
四川通光光缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these three technologies all face the following common problems: 1) The power grid and the optical network are two independent systems. The structures and layouts of the two networks are not consistent, and the design and construction are not synchronized. If the type and number of cores of the optical fiber in the cable have been determined in advance, it may not meet the requirements of the optical network; There will be no difficulties and problems in electrical connection, but the connection of optical fiber is much more complicated and difficult than electrical connection. Loss and reliability; 3) The optical network will continue to be upgraded and expanded according to technological development and functional requirements. It is a conventional method to adjust the type, number of cores, optical path direction and connection points of the optical fiber, but the inherent optical fiber in the cable does not have this flexibility

Method used

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  • Low-voltage overhead parallel bunched insulated wire with prefabricated micro tubules for blown optical cables
  • Low-voltage overhead parallel bunched insulated wire with prefabricated micro tubules for blown optical cables
  • Low-voltage overhead parallel bunched insulated wire with prefabricated micro tubules for blown optical cables

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 2 As shown in the figure, a low-voltage aerial parallel collection cable BS1-four-core insulated wire with pre-installed microtubes for air-blown optical cables includes conductive unit A11, conductive unit B12, conductive unit C13 and conductive unit D14 arranged in parallel, and each conductive unit The outside of each is covered with an insulating sheath 2, the vertically parallel conductive unit A11 and the conductive unit B12 are connected by a longitudinal connecting rib 4, and the horizontally parallel conductive unit B12 and the conductive unit C13 are connected by a horizontal connecting rib 3 Connection, the conductive unit C13 and the conductive unit D14 arranged in parallel vertically are connected through the longitudinal connecting rib 4, and the microtube 5 for the air-blowing optical cable is preset in the two longitudinal connecting ribs 4, that is, the air-blowing optical cable is reserved. It can be installed and connected with overhea...

Embodiment 2

[0030] Such as image 3 As shown, a kind of low-voltage aerial parallel collection cable BS2-three-core insulated wire with pre-installed microtubes for air-blown optical cables, including conductive unit A11, conductive unit B12 and conductive unit C13 arranged in parallel, and the outside of each conductive unit is covered Covered with an insulating sheath 2, the conductive unit B12, the conductive unit A11, and the conductive unit C13 are respectively connected by longitudinal connecting ribs 4, and the two longitudinal connecting ribs 4 are equipped with microtubes 5 for air-blown optical cables, and three of them are conductive The units are triangularly arranged in parallel. This is mainly used in low-voltage power supply networks with 380V three-phase neutral wires not grounded, so only 3 phase wires are required.

[0031] The material, size and other manufacturing requirements of each conductive unit, insulating sheath 2 and microtube 5 for air-blown optical cable are...

Embodiment 3

[0033] Such as Figure 4 As shown, a kind of low-voltage overhead parallel collection cable BS3-two-core insulated wire with microtubes for pre-installed air-blown optical cables, including conductive units A11 and B12 arranged in parallel, and the outside of each conductive unit is covered with an insulating sheath. The sleeve 2, the conductive unit A11 and the conductive unit B12 are connected by a transverse connecting rib 3, and the transverse connecting rib 3 is provided with a micropipe 5 for an air-blown optical cable.

[0034] The material, size and other manufacturing requirements of each conductive unit, insulating sheath 2 and microtube 5 for air-blown optical cable are the same as those in Embodiment 1.

[0035]The low-voltage overhead parallel cable collection insulated wire of the present invention does not change the shape of the overhead parallel cable collection wire, and can be installed with conventional fittings and accessories. Although it includes wires ...

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Abstract

The invention discloses a low-voltage overhead parallel bunched insulated wire with prefabricated micro tubules for blown optical cables. The low-voltage overhead parallel bunched insulated wire comprises a plurality of parallelly-arranged electric conduction units; the electric conduction units are wrapped with insulating sheaths; the electric conduction units are connected with each other sequentially through connecting bars; and the micro tubules for blown optical cables are arranged in the connecting bars. According to the low-voltage overhead parallel bunched insulated wire, conductors can be independent from optical fibers, and therefore, when troubleshooting is performed on an electric unit or an optical unit alone, the electric unit or the optical unit will not influence each other; the maintenance or upgrade project of an optical network does not need power outage, and therefore, the upgrade and expansion of the optical network can be flexible.

Description

technical field [0001] The invention relates to overhead parallel bundled insulated wires, in particular to a low-voltage overhead parallel bundled insulated wire with pre-installed microtubes for air-blown optical cables. Background technique [0002] The power supply mode of urban power grid (urban power grid) and rural power grid (rural power grid) is 380 / 220V three-phase four-wire system, that is, each basic user point can obtain three-phase power supply, and the overhead parallel cable collection insulated wire that meets this requirement is It is a new product that State Grid mainly promotes and applies in the construction or reconstruction of urban and rural power grids. The so-called overhead parallel insulated wire refers to a bundled cable composed of multiple insulated overhead wires in parallel. Compared with other wires, the parallel cable collection wire has the advantages of loss reduction, energy saving, electric shock prevention, electricity theft prevention...

Claims

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Application Information

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IPC IPC(8): H01B7/17H01B9/00
CPCH01B9/005H01B7/17H01B9/008
Inventor 张晓尉黄俊华江晓东丁国锋
Owner 四川通光光缆有限公司
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