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Infrared detection device and detection method for cable aging

An infrared detection device and infrared detection technology are applied in measurement devices, electrical radiation detectors, radiation pyrometry and other directions to achieve the effect of reducing the cost of cables

Active Publication Date: 2017-12-15
JIANGSU XIYI HIGH NEW DISTRICT TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problem that the aging position such as wire oxidation cannot be detected under the current cable structure, the invention discloses a cable aging infrared detection device and detection method, which can quickly find the aging position of the wire in the cable without damaging the cable. Facilitate the replacement of aging cables and reduce cable costs

Method used

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  • Infrared detection device and detection method for cable aging
  • Infrared detection device and detection method for cable aging
  • Infrared detection device and detection method for cable aging

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specific Embodiment 1

[0076] This embodiment is an embodiment of an infrared detection device for cable aging.

[0077] The cable aging infrared detection device of this embodiment has a schematic structural diagram as figure 1 shown. The cable aging infrared detection device includes an upper ring 1, a middle ring 2 and a lower ring 3 arranged in sequence from top to bottom, the middle ring 2 is located in the middle of the upper ring 1 and the lower ring 3, and the cable Passing through the upper ring 1, the middle ring 2 and the lower ring 3, the last infrared camera 11, the upper second infrared camera 12 and the upper third infrared camera 13 are evenly arranged around the upper ring 1, and the middle ring 2 The middle one infrared camera 21 is uniformly arranged around the circle, the second middle infrared camera 22 and the middle three infrared camera 23 are evenly arranged, and the next infrared camera 31 is evenly arranged around the lower annular ring 3, the next second infrared camera ...

specific Embodiment 2

[0078] This embodiment is an embodiment of an infrared detection method for cable aging.

[0079] The cable aging infrared detection method in this embodiment is implemented on the cable aging infrared detection device described in the first specific embodiment. The cable aging infrared detection method comprises the following steps:

[0080] Step a, heating the cable with the middle ring 2;

[0081] Step b, determining the aging lateral position;

[0082] Step c, determining the aging axial position;

[0083] Step d. Determine the spatial position according to the aging transverse position and axial position.

specific Embodiment 3

[0084] This embodiment is an embodiment of an infrared detection method for cable aging.

[0085] The cable aging infrared detection method of this embodiment, on the basis of the specific embodiment 2, further defines that the step b includes the following steps:

[0086] Step b1, obtain series of grayscale data

[0087] 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 middle first infrared camera 21 obtains grayscale data k21, and the middle second infrared camera 22 obtains Grayscale data k22, the third infrared camera 23 obtains grayscale data k23, the next infrared camera 31 obtains grayscale data k31, the next second infrared camera 32 obtains grayscale data k32, and the next third infrared camera 33 obtains grayscale data k33;

[0088] Step b2, obtain the aging lateral position from the horizontal plane where the upper ring ring 1 is...

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Abstract

The invention discloses an infrared detection device and a detection method for cable aging, which belong to the technical field of power infrared detection devices and methods. The infrared detection device for cable aging comprises the following elements arranged successively from the top to the bottom: an upper ring, a middle ring and a lower ring as well as infrared cameras uniformly distributed on the rings. The output signals of all cameras are connected to a signal processor; the infrared detection method for cable aging comprises: firstly, determining the horizontal location of aging; and then determining the axial position of the aging, and finally determining the spatial location. The detection method of the invention can rapidly find the aging position of a conducting wire in a cable without damaging the cable, which is favorable for replacing the aged cable and reducing the cost of the cable.

Description

technical field [0001] An infrared detection device and detection method for cable aging belong to the technical field of electric power infrared detection devices and methods. 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 cable will be replaced a...

Claims

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Application Information

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IPC IPC(8): G01J5/00G01J5/50G01N21/88
CPCG01J5/0096G01N21/8851G01J2005/0077G01N2021/8887G01J5/03G01J5/48
Inventor 李源
Owner JIANGSU XIYI HIGH NEW DISTRICT TECH DEV CO LTD
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