Electric transmission and transformation equipment external insulated antifouling parameter photographic measurement method

A technology of power transmission and transformation equipment and photogrammetry, which is applied in the field of measurement of target structural parameters, can solve the problems that the structural parameters of the external insulation of power transmission and transformation equipment cannot be measured, and the accuracy of structural parameters cannot meet the needs, so as to improve the accuracy and precision, The effect of changing the measurement method

Active Publication Date: 2012-06-20
广东电网公司深圳供电局试验研究所 +1
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Problems solved by technology

[0003] The present invention mainly solves the problems in the prior art that the external insulation structure parameters of the power transmission and transformation equipment cannot be measured when the equipment is charged, or the existing method manually attaches a fuse to the surface of the power transmission and transformation equipment to measure the accuracy of the structural parameters and cannot meet the needs.

Method used

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  • Electric transmission and transformation equipment external insulated antifouling parameter photographic measurement method
  • Electric transmission and transformation equipment external insulated antifouling parameter photographic measurement method
  • Electric transmission and transformation equipment external insulated antifouling parameter photographic measurement method

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Embodiment

[0020] A method for photogrammetry of external insulation anti-pollution parameters of power transmission and transformation equipment, comprising the following steps:

[0021] Step 1, the laser emits light strips to the power transmission and transformation equipment, and the stereo camera rotates continuously to obtain multiple stereoscopic image pairs along the main axis of the power transmission and transformation equipment.

[0022] Step 2, using the edge features and rotational symmetry characteristics of the external insulation equipment of the stereo image to calculate the central axis of the measurement object, the specific steps are as follows:

[0023] Step 2.1, firstly, the edge tangent of the insulator object space is obtained by the plane intersection formed by the edge tangent of the power transmission and transformation equipment on the stereoscopic image and the center of the camera, such as figure 2 (a), calculate the object-side tangent line according to fo...

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Abstract

The invention relates to an electric transmission and transformation equipment external insulated antifouling parameter measurement method and discloses an electric transmission and transformation equipment external insulated antifouling parameter photographic measurement method. The whole method comprises: 1) projecting laser onto the electric transmission and transformation equipment, and rotating a stereo camera to acquire multiple three-dimensional images of the electric transmission and transformation equipment; and 2) performing computer-assisted measurement of the antifouling parameter of the electric transmission and transformation equipment based on the multiple three-dimensional images. Based on photographic measurement and computer vision principles, the electric transmission and transformation equipment external insulated antifouling parameter measurement method provided by the invention can acquire the images with laser bars of the electric transmission and transformation equipment without contacting an object and can realize the reconstruction and measurement of the structural parameters of the electric transmission and transformation equipment on the basis of an optical triangulation measurement vision principle.

Description

technical field [0001] The invention relates to a method for measuring target structural parameters, in particular to a method for measuring external insulation and anti-pollution parameters of power transmission and transformation equipment. Background technique [0002] Regular measurement of pollution degree of external insulation of power transmission and transformation equipment and verification of configuration parameters of external insulation are important contents of anti-pollution flashover work of power transmission and transformation equipment in power systems. During the work, it is often necessary to calculate and check the structural parameters of the external insulation of power transmission and transformation equipment . Due to the wide variety of external insulation of power transmission and transformation equipment, the appearance of different manufacturers is very different, and it is often encountered that the equipment is charged and cannot measure the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C11/00G01B11/24G01B11/00
Inventor 赵灵刘亚文江健武唐敏钟建灵季铮段绍辉王建国王伟坚徐轩
Owner 广东电网公司深圳供电局试验研究所
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