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A method for identifying the direction of cables without label sets

A technology of cable direction and no label, which is applied in the direction of measuring electricity, measuring electrical variables, measuring devices, etc., can solve the problem of identification of cable direction without label collection, shorten the identification time, increase the scope of application, and ensure reliability and accuracy sexual effect

Active Publication Date: 2020-07-31
武汉格蓝若智能技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a method and device for identifying the direction of a cable without a label set, so as to solve the problem that the existing online cable identification method is difficult to identify the direction of a cable without a label set

Method used

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  • A method for identifying the direction of cables without label sets
  • A method for identifying the direction of cables without label sets
  • A method for identifying the direction of cables without label sets

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Embodiment Construction

[0016] In order to make the objectives, features, and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work are within the protection scope of the present invention. The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples are only used to explain the present invention, not to limit the scope of the present invention.

[0017] The term "comprising" and other similar meaning expressions in the specification or c...

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Abstract

The invention provides a label-set-free cable trend identification method and device, and the method comprises the steps: determining a chip sequence of each transformer substation according to the number of transformer substations in a preset region, and a modulation signal carrying transformer substation information being injected into a cable for transmission through a grounding network; detecting and acquiring a signal carried by a to-be-detected cable through detection, demodulating and restoring an injected modulation signal, confirming station information at two ends of the to-be-detected cable based on correlation operation of a detection signal on the to-be-detected cable and the injected modulation signal, and identifying the trend of the cable. Through the scheme, the problem that an existing online cable identification method cannot identify the trend of the label-free cable is solved, the trend of the label-free cable can be accurately identified, the identification time is shortened, and the reliability of an identification result is guaranteed.

Description

Technical field [0001] The invention relates to the field of power cable detection, in particular to a method for identifying the direction of an unlabeled set cable. Background technique [0002] With the deepening of urbanization, the laying density of power cables is increasing, making the maintenance and management of cables particularly important. Correctly identifying the direction and attribution of cables is an important prerequisite for cable maintenance and maintenance, and its accuracy directly affects Affect the safety of people and equipment. [0003] For the identification of power cables, a lot of research has been done at home and abroad, which can be divided into offline identification and online identification: offline identification is mainly based on the pulse current method, which has high identification accuracy, but the pulse signal must be loaded after power failure To the cable; the online identification is mainly based on the electromagnetic coupling meth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/08
CPCG01R31/083G01R31/088
Inventor 陈勉舟马超俊陈应林叶茂
Owner 武汉格蓝若智能技术股份有限公司
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