Method and device for intelligently diagnosing image through fixed-point, fixed-focus and fixed-parameter detection of GIS equipment through digital rays

A technology of digital ray and image detection, which is applied to measurement devices, material analysis using radiation, material analysis using wave/particle radiation, etc., can solve problems such as fatigue of diagnostic personnel, low detection efficiency, inconvenient operation, etc. The effect of precision, convenient operation and high detection efficiency

Inactive Publication Date: 2019-03-19
GUIZHOU POWER GRID CO LTD
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method and device for digital ray fixed-point, fixed-focus, and fixed-parameter detection GIS equipment to reali

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  • Method and device for intelligently diagnosing image through fixed-point, fixed-focus and fixed-parameter detection of GIS equipment through digital rays
  • Method and device for intelligently diagnosing image through fixed-point, fixed-focus and fixed-parameter detection of GIS equipment through digital rays

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Embodiment Construction

[0019] The invention is further described below in conjunction with specific embodiments:

[0020] see figure 1 According to the present invention, a digital ray fixed-point, fixed-focus, fixed-parameter detection method for GIS equipment to realize image intelligent diagnosis includes:

[0021] S1. Take digital ray standard images of GIS equipment parts in normal state, and record the angle, distance, focal length, tube voltage and tube current when shooting;

[0022] S2. Shoot the digital radiography image of the GIS equipment parts to be diagnosed. The shooting angle, distance, focal length, tube voltage and tube current are the same as those of the digital ray standard image, that is, all the shooting parameters of the test image and the standard image are the same to ensure the accuracy of diagnosis;

[0023] S3. Input the detection image and the standard image, scan the standard image and the detection image synchronously, compare whether there are structural differenc...

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Abstract

The invention discloses a method and device for intelligently diagnosing an image through fixed-point, fixed-focus and fixed-parameter detection of GIS equipment through digital rays. The method comprises the following steps: (S1) photographing a digital ray standard image of a part of the GIS equipment in a normal state, and recording the angle, the distance, the focal length, the pipe voltage and the pipe current during the photographing; (S2) photographing s digital ray detection image of the part of the GIS equipment in a to-be-diagnosed state, wherein the photographing angle, distance, focal length, pipe voltage and pipe current are same as the photographing angle, distance, focal length, pipe voltage and pipe current of the digital ray standard image; and (S3) synchronously scanningthe standard image and the detection image, determining whether the two images have structural differences through comparison, and if yes, marking for warning. According to the method, the standard image and detection image of the part of the GIS equipment are photographed in fixed-point, fixed-focus and fixed-parameter manners and are subjected to synchronous correlation, scanning and contrastiveanalysis, so that compared with an existing manual diagnostic method, the method has the advantages of convenience in operation, precision in comparison and high detection efficiency.

Description

technical field [0001] The invention relates to a method and device for detecting GIS equipment with fixed-point, fixed-focus and fixed-parameters of digital ray to realize image intelligent diagnosis, and belongs to the field of digital ray detection of GIS equipment. Background technique [0002] X-ray inspection of GIS equipment using digital radiography system is a new inspection technology that has emerged in the power system in recent years. The advantages of greatly reducing the dose, storing, managing, transmitting, and displaying images and related information in a digital electronic manner are beyond the reach of traditional film technology. Due to the complex structure of GIS equipment, there are many types of materials (such as copper, steel, aluminum, ceramics, polymer materials), and a wide range of thickness variations. At present, the diagnosis of GIS equipment is to first take digital radiographic images of each part of the equipment, and then compare it wi...

Claims

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Application Information

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IPC IPC(8): G01N23/04
CPCG01N23/04G01N2223/03G01N2223/1016G01N2223/421
Inventor 李波张国林毛进王凌旭杨方
Owner GUIZHOU POWER GRID CO LTD
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