Optical cable fault point positioning method and positioning device

A positioning method and technology of positioning device, applied in the field of operation and maintenance management, can solve the problems of reducing accuracy, increasing workload, reducing practicability, etc., and achieving the effect of improving accuracy, reducing the difficulty of collection and maintenance, and improving the practical value.

Inactive Publication Date: 2018-07-20
BEIJING TIANYUAN INNOVATION TECH CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, these methods need to collect and maintain the cutover, relocation, emergency repair data and fault history records of optical cables in a

Method used

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  • Optical cable fault point positioning method and positioning device
  • Optical cable fault point positioning method and positioning device
  • Optical cable fault point positioning method and positioning device

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Embodiment Construction

[0048] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0049] The following embodiments of the present invention provide a method and a device for locating a fault point of an optical cable.

[0050] A method for locating an optical cable fault point provided by the first embodiment of the present invention, see figure 1 , the method specifically includes the following steps:

[0051] S101: Cal...

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Abstract

The invention provides an optical cable fault point positioning method and positioning device. The positioning method comprises the steps of calculating a length deviation coefficient of a fault optical cable; measuring optical cable lengths between two ends of the fault optical cable and a fault point; correcting the two optical cable lengths according to the length deviation coefficient, therebyobtaining two pieces of fault distance of the fault optical cable; and determining a distance interval between the two pieces of fault distance as a fault location interval of the fault point. According to the method and the device, the fault point distance measurement is carried out at two ends of the optical cable line at the same time and the correction is carried out through adoption of the length deviation coefficient of the fault optical cable, so the fault point of the optical cable is positioned accurately, the optical able line resource data collection and maintenance difficulty is greatly reduced, the fault point positioning accuracy is greatly improved, and the method and the device have very high practical value.

Description

technical field [0001] The invention belongs to the technical field of operation and maintenance management, and in particular relates to a method and a device for locating fault points of optical cables. Background technique [0002] As a communication medium, optical cable has been widely used in telecommunications, electric power, broadcasting and other fields due to its advantages of large transmission capacity, low attenuation, long transmission distance, small size, light weight, no electromagnetic interference and low cost. It will gradually become the main body of the future communication network. Since the laying distance of the optical cable is usually long, it is of great significance to quickly and accurately locate the geographical location of the fault point of the optical cable during the operation and maintenance or management of the optical cable to ensure the safe and stable operation of the optical communication network. [0003] OTDR (Optical Time Domain...

Claims

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Application Information

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IPC IPC(8): H04B10/071H04B10/077H04B10/079
CPCH04B10/071H04B10/0771H04B10/0791
Inventor 刘益畅王添高磊
Owner BEIJING TIANYUAN INNOVATION TECH CO LTD
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