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Method for detecting strand breakage defect of high-voltage electric transmission wire by unmanned aerial vehicle in real time

A high-voltage power transmission and real-time detection technology, which is applied in the direction of optical testing flaws/defects, measuring devices, image data processing, etc., can solve the problems that real-time online detection cannot be realized, detection results are prone to false detection, and are easily affected by the background environment. Achieve the effect of improving cruising efficiency, low risk and low cost

Inactive Publication Date: 2017-03-22
GUANGDONG UNIV OF TECH
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Problems solved by technology

The disadvantage is that due to technical limitations, the obtained results are not satisfactory, the performance detection results are prone to false detection, the recognition rate is not high, it is easily affected by the background environment, and real-time online detection cannot be realized

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  • Method for detecting strand breakage defect of high-voltage electric transmission wire by unmanned aerial vehicle in real time
  • Method for detecting strand breakage defect of high-voltage electric transmission wire by unmanned aerial vehicle in real time
  • Method for detecting strand breakage defect of high-voltage electric transmission wire by unmanned aerial vehicle in real time

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Embodiment Construction

[0047] The present invention will be further described below in conjunction with specific embodiment:

[0048] See attached Figures 1 to 2 As shown, a method for real-time detection of broken strand defects of high-voltage transmission wires by an unmanned aerial vehicle described in this embodiment includes the following steps:

[0049] 1) The mobile terminal obtains the image of the high-voltage transmission wire through the drone, and the captured image is compressed and sent to the PC in real time; the picture received by the mobile terminal is transmitted to the PC terminal through the secondary development of the mobile terminal SDK, and the transfer adopts TCP / IP protocol, using Winsock network programming technology for wireless communication between the mobile terminal and the PC terminal, the connection process between the sockets is divided into: server monitoring, client request and connection confirmation.

[0050] 2) The general high-voltage transmission line ...

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Abstract

The invention relates to a method for detecting the strand breakage defect of a high-voltage electric transmission wire by an unmanned aerial vehicle in real time. The method comprises the following steps: 1, acquiring an image of the high-voltage electric transmission wire by a mobile terminal through the unmanned aerial vehicle, compacting the acquired image and transmitting the image to a PC end in real time; 2, performing edge detection on the acquired image and performing closed operation and binaryzation optimization to obtain a smooth edge; 3, acquiring the edge of the high-voltage electric transmission wire by an improved Hough transformation method; 4, acquiring seed points of an electric transmission wire area; 5, performing area growth to acquire the electric transmission wire area; and 6, analyzing the change of column pixel sum to detect the strand breakage defect. The method has the advantages of low labor intensity, low cost, low risk, easiness in operation and control, high line patrol efficiency, high identification rate of the strand breakage defect, capability of detecting the strand breakage defect in real time and the like.

Description

technical field [0001] The invention relates to the technical field of power transmission wire detection, in particular to a method for real-time detection of broken strand defects of high-voltage power transmission wires by an unmanned aerial vehicle. Background technique [0002] The power outage caused by the failure of the high-voltage transmission line has caused huge economic losses to people's lives, industrial enterprises and the country. Transmission lines are regularly inspected. [0003] The current transmission line inspection methods mainly include: [0004] 1) Manual inspection along the line: inspection along the line by inspection workers visually or through telescopes, infrared thermal imaging cameras, etc. is currently the main method of inspection of the line in China. Its disadvantages are high labor intensity, low inspection efficiency and high risk. [0005] 2) Robot inspection: use the robot to carry sensors or cameras to crawl and inspect on wires ...

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Application Information

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IPC IPC(8): G01N21/88G06T7/00
CPCG01N21/8851G01N2021/8887G06T7/0008G06T2207/20061
Inventor 钟凯宇张学习
Owner GUANGDONG UNIV OF TECH
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