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Infrared vision detection method for cable aging position detection

一种视觉检测、视觉检测装置的技术,应用在红外检测,电力领域,能够解决方法步骤多、装置结构复杂、操作复杂等问题,达到降低装置成本、降低复杂性的效果

Active Publication Date: 2019-05-17
SHANGHAI JIYAN POWER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to design an improved cable aging position infrared detector for the problems of the invention patent "A Power Line Aging Infrared Detecting Device and Detection Method", the device structure is complicated, the cost is high, the method steps are complicated and the operation is complicated, and the accuracy of the aging lateral position is low. Detection method

Method used

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  • Infrared vision detection method for cable aging position detection
  • Infrared vision detection method for cable aging position detection
  • Infrared vision detection method for cable aging position detection

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specific Embodiment 1

[0065] This embodiment is an embodiment of an infrared vision detection device for cable aging position detection.

[0066] In this embodiment, the infrared visual detection device for cable aging position detection, the structural diagram is as follows figure 1 As shown, the infrared visual detection device for cable aging position detection includes an upper ring 1 without rotation function, a middle ring 2 and a lower ring 3 arranged in sequence from top to bottom, and the middle ring 2 is located on the upper ring In the middle of the ring 1 and the lower ring 3, the cable passes through the upper ring 1, the middle ring 2 and the lower ring 3; the upper ring 1 is uniformly provided with an upper infrared camera 11 and an upper second infrared camera 12 And last three infrared cameras 13; The inside of middle ring 2 is provided with the resistance wire that plays heating function; Evenly be provided with next infrared camera 31 on lower ring 3, next two infrared cameras 32...

specific Embodiment 2

[0067] This embodiment is an embodiment of an infrared vision detection method for cable aging position detection.

[0068] The infrared visual detection method for cable aging position detection in this embodiment is implemented on the infrared visual detection device for cable aging position detection described in the specific embodiment 1. The method includes the following steps:

[0069] Step a, heating the cable with the middle ring 2;

[0070] Step b, determining the aging lateral position;

[0071] Step c, determining the aging axial position;

[0072] Step d. Determine the spatial position according to the aging transverse position and axial position.

specific Embodiment 3

[0073] This embodiment is an embodiment of an infrared vision detection method for cable aging position detection.

[0074] The infrared visual detection method for cable aging position detection in this embodiment, on the basis of specific embodiment 2, further defines that step b includes the following steps:

[0075] Step b1, obtain series of grayscale data

[0076] The last infrared camera 11 obtains grayscale data k11, the upper second infrared camera 12 obtains grayscale data k12, the upper third infrared camera 13 obtains grayscale data k13, the next infrared camera 31 obtains grayscale data k31, and the next second infrared camera 32 obtains grayscale data k13. Grayscale data k32, the next three infrared cameras 33 get grayscale data k33;

[0077] Step b2, combined with the lower ring 3, obtain the aging lateral position from the upper ring 1

[0078] In the upper circle 1, judge the minimum value of min(|k11-k12|,|k11-k13|,|k12-k13|), if:

[0079] The first case: |...

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Abstract

The invention belongs to the technical field of electric power and infrared detection and discloses an infrared visual detection method for cable aging position detection. The infrared visual detection method for cable aging position detection is technically characterized in that at a step of determination of aging transverse positions, after series gray level data are obtained, the aging transverse positions are obtained from an upper annular ring and a lower annular ring by sequential combination of the lower annular ring and the upper annular ring, the aging transverse positions are determined in ranges of two one-third circumferences respectively, and after intersection acquisition, the aging transverse positions are determined in a range of a one-sixth circumference. Compared with a power line aging infrared detection device and a detection method, the infrared visual detection method for cable aging position detection has advantages that the aging transverse positions are determined in the range of the one-third circumferences by the upper annular ring and the lower annular ring which are staggered in camera position, detection steps can be reduced, and the aging transverse positions are determined in the range of the one-sixth circumference finally, so that detection precision is improved.

Description

technical field [0001] The invention relates to an infrared vision detection method for cable aging position detection, which belongs to the technical field of electric power and infrared detection. Background technique [0002] The cable is usually made of two or more wires twisted, each group of wires is insulated from each other, and the outside is covered with an insulating coating. The cable has the characteristics of internal electrification and external insulation. [0003] This structure is beneficial to protect the cable and prolong its service life, but it still cannot completely avoid aging problems such as oxidation of the conductors in the cable. Once the wires in the cable have aging problems such as oxidation, it will affect the transmission function of the line, and in severe cases, the cable will fail. [0004] Aiming at aging problems such as wire oxidation in the cable, the service life of the cable is specified. After the service life is reached, the ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/72
CPCG01N25/72
Inventor 王琪
Owner SHANGHAI JIYAN POWER TECH CO LTD
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