Non-contact overhead wire specification determination method

A technology for overhead wires and determination methods, applied in image data processing, instruments, calculations, etc., can solve the problems of high-altitude cables that are difficult to visually inspect, and achieve the effect of rapid comparison

Inactive Publication Date: 2017-06-13
朱林
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But for high-altitude cables, it is difficult to accurately grasp it by visual inspection.

Method used

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  • Non-contact overhead wire specification determination method
  • Non-contact overhead wire specification determination method
  • Non-contact overhead wire specification determination method

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Embodiment Construction

[0030] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0031] Such as Figure 1-5 As shown, a method for determining the specification of a non-contact overhead conductor includes a camera 4 and a cable standard board 1, and the cable standard board 1 includes a standard board body, and a plurality of standard wires are arranged in parallel on the standard board body. The standard cable section 1-2 corresponding to the cable, the measurement steps are as follows:

[0032] (1) Near the cable 3 to be tested, select a position suitable for erecting the camera 5, and fixedly erect the camera 4;

[0033] (2) measure the distance between the camera 4 and the cable to be tested, and set the cable standard plate 1 under the cable according to the above-mentioned same distance;...

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Abstract

The invention relates to the technical field of electric power line maintenance, in particular to a non-contact overhead wire specification determination method. A camera and a cable standard board are adopted in the method, and the method is characterized in that the cable standard board comprises a standard board body, and multiple standard cable sections corresponding to a standard cable are arranged on the standard board body in parallel. The method comprises the following measurement steps that 1, the position where is suitable for erecting the camera is selected, and the camera is fixed; 2, the distance between the camera and a to-be-measured cable is measured, and the cable standard board is arranged under the cable according to the distance; 3, photographing is conducted to form a picture; 4, an image, in the picture, of the to-be-measured cable and an image, on the standard board, of the standard cable are compared through analysis, and the standard cable section most approximate to the width of the image of the to-be-measured cable is determined as the corresponding specification of the to-be-measured cable. The method has the advantages that power outage and contact are not needed, and overhead cable measurement is rapid and accurate.

Description

technical field [0001] The invention relates to the technical field of power line maintenance, in particular to a method for determining the specification of a non-contact overhead wire. Background technique [0002] During the operation and maintenance of electric power overhead conductors and theoretical calculation of line loss, or in power transmission and transformation technical transformation projects and partial reconstruction and expansion projects, it is often necessary to determine the original overhead busbars and wire diameters, and evaluate or judge whether they meet the new requirements. capacity requirements. Although there is original design data for each overhead line, due to various reasons, it is often not immediately available or even consulted. Power operation and maintenance personnel need a convenient and quick measuring tool to know the diameter of overhead cables. The measurement (determination) of overhead wires in operation has to solve two diff...

Claims

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Application Information

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IPC IPC(8): G06T7/62
CPCG06T2207/10004
Inventor 朱林
Owner 朱林
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