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Power transmission line crossing measuring system based on stereo photogrammetry measurement

A technology for power transmission lines and measurement systems, which can be used in photogrammetry/video surveying, measurement devices, mapping and navigation, etc., and can solve problems such as inflexibility

Inactive Publication Date: 2015-07-29
STATE GRID CORP OF CHINA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Use photogrammetry technology to complete the cross-over measurement process of transmission lines, usually with a stereo camera on the helicopter, which is greatly affected by safety and weather factors and is not flexible enough

Method used

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  • Power transmission line crossing measuring system based on stereo photogrammetry measurement
  • Power transmission line crossing measuring system based on stereo photogrammetry measurement
  • Power transmission line crossing measuring system based on stereo photogrammetry measurement

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Embodiment Construction

[0016] In one embodiment, the present invention proposes a measurement system for cross-spanning transmission lines based on stereo photogrammetry;

[0017] The system includes a camera control module, a verification module and a data processing module;

[0018] The camera control module is used to control two stereo cameras in the binocular system to capture images synchronously, and export the captured images to the set directory;

[0019] The verification module first arranges a certain number of targets in the scene, uses two stereo cameras in the binocular system to shoot in the scene synchronously, and then measures the three-dimensional coordinates of the targets and the two-dimensional coordinates of the targets in the image; finally Using the measured three-dimensional and two-dimensional coordinates of the target to solve the parameters of the measurement system, and send the parameters to the data processing module;

[0020] The data processing module measures the ...

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Abstract

The invention discloses a power transmission line crossing measuring system based on stereo photogrammetry measurement. The system comprises a camera control module, a verification module and a data processing module, wherein the camera control module is used for controlling synchronous image shooting of two stereo cameras in a binocular system and guiding shot images to a set catalog; the verification module is used for completing the measurement of a target and the verification of the binocular system and storing parameters obtained through verification into a file; the data processing module is used for measuring the distance between shot power transmission lines or between the power transmission lines and other crossed objects. The measurement accuracy reaches 1 / 1000 when the measured range of the system disclosed by the invention reaches 50-100 meters; the system can realize full-automatic and semi-automatic selection of homonymy points, and the points can be accurately positioned; the system can automatically calculate the distances among different points and the minimum distances between the points and the power transmission lines as well as between the power transmission lines, so that the workload of operators is reduced.

Description

technical field [0001] The invention relates to the technical field of cross-over measurement of power transmission lines, in particular to a power transmission line cross-over measurement system based on stereo photogrammetry. Background technique [0002] With the advancement of technology, many new technologies have been gradually applied to the process of cross-crossing measurement of transmission lines. The new generation of transmission line inspection management system based on modern transportation technology, image processing and pattern recognition technology, computer and other technologies The inevitable trend of the development of line inspection technology. The use of modern surveying and mapping technology for the cross-over measurement of transmission lines to ensure the safety of transmission lines is also in line with this development trend, and ultrasonic, total station, handheld GPS and other measurement technologies are applied to power measurement. The...

Claims

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Application Information

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IPC IPC(8): G01C11/00
CPCG01C11/00
Inventor 程登峰刘景姝刘静屈孝志夏令志
Owner STATE GRID CORP OF CHINA
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