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Method and device for measuring length of conductor cable

A measurement method and cable technology, which is applied in the field of communication, can solve problems such as equipment security threats, limited measurement range, and inability to support online measurement of multi-segment cable length measurement.

Active Publication Date: 2020-07-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the TDR method has a limited measurement range, cannot support online measurement and multi-segment cable length measurement, and also poses a certain threat to the security of devices connected on the line

Method used

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  • Method and device for measuring length of conductor cable
  • Method and device for measuring length of conductor cable
  • Method and device for measuring length of conductor cable

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Embodiment Construction

[0116] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiments are part of the embodiments of this application , but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0117] figure 1 It is a structural schematic diagram of an embodiment of a measuring system for the length of the conductor cable of the present application, such as figure 1 As shown, the system includes two devices with the same hardware structure. The devices include a signal transmitting unit, a signal receiving unit, a signal coupling unit and a processor. These two devices can respectively undertake two tasks of si...

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Abstract

The invention provides a method and a device for measuring the length of a conductor cable. The method for measuring the length of a conductor cable comprises the steps that an initiating frame signalis transmitted to a conductor cable to be measured, the initiating frame signal comprises a first timing point, and a first moment when the first timing point is transmitted is recorded; a response frame signal transmitted by a response device is received through the conductor cable, the response frame signal comprises a second timing point, and a second moment when the second timing point is received is recorded; a time feedback frame signal transmitted by the response device is received, wherein the time feedback frame signal comprises a third moment when the response device receives the first timing point and a fourth moment when the response device transmits the second timing point; and the length of the conductor cable is measured according to the first moment, the second moment, thethird moment and the fourth moment. According to the invention, online measurement and measurement of the total length of multiple lines are supported, and harm to equipment connected to the lines isreduced.

Description

technical field [0001] The present application relates to communication technology, in particular to a method and device for measuring the length of a conductor cable. Background technique [0002] Conductor cables are wire products used to transmit electric energy and information, as well as realize electromagnetic energy conversion, usually including one or more conductor cores. Cables are important assets and infrastructure for power grid companies, telecom operators, network or cable TV service providers, and other enterprises that use cables in large quantities for production or service. Because the status of the cable is so basic and important, it is necessary to know its information in detail, especially the length of the cable working on the network, which is very important for such enterprises to check the cable consumption, inventory assets, and guide capacity expansion. significance. When the cable leaves the factory, the length information is marked on the oute...

Claims

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Application Information

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IPC IPC(8): G01B15/00
CPCG01B15/00
Inventor 方庆银吕海峰李朝阳
Owner HUAWEI TECH CO LTD
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