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Transmission line galloping trajectory measurement system and measurement method based on direct displacement

A technology of transmission lines and galloping tracks, applied in the direction of measuring devices, instruments, etc., can solve the problems of low accuracy, achieve accurate measurement results, reduce measurement errors, and avoid the effects of integral calculations

Active Publication Date: 2017-07-14
STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method can only achieve qualitative monitoring and the accuracy is low

Method used

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  • Transmission line galloping trajectory measurement system and measurement method based on direct displacement
  • Transmission line galloping trajectory measurement system and measurement method based on direct displacement
  • Transmission line galloping trajectory measurement system and measurement method based on direct displacement

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Embodiment Construction

[0034] Below in conjunction with accompanying drawing and embodiment the present invention is described in detail:

[0035] Such as Figure 1 to Figure 3 As shown, the transmission line galloping trajectory measurement system based on direct displacement of the present invention includes a displacement sensing system, a signal conditioning conversion system, a data acquisition conversion system, a data transmission system and a monitoring and analysis system;

[0036] Wherein, the displacement sensing system includes two sets of pull rope sensors respectively arranged on both sides of the power transmission line 5, namely the first pull rope sensor 1 and the second pull rope sensor 2, and the pull ropes 3 of the two sets of pull rope sensors are fixed on the power transmission line 5. The same position of the line 5; the signal output terminals of the two sets of pull rope sensors are respectively connected to the signal conditioning conversion system; the two sets of pull rop...

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Abstract

The invention discloses a power transmission line swing locus measuring system and measuring method based on a direct displacement amount. The system comprises a displacement sensing system, a signal conditioning conversion system, a data acquisition conversion system, a data transmission system and a monitoring analysis system. The displacement sensing system comprises two groups of stay rope sensors respectively arranged at the two sides of a power transmission line. The monitoring analysis system is used for processing received signals for converting into stay rope lengths of the stay rope sensors when the power transmission line swings, the swing coordinates of the power transmission line are calculated according to the obtained stay rope lengths of the stay rope sensors and the horizontal distance between first stay rope sensors and second stay rope sensors, and finally, the swing locus of the power transmission line is drawn and display through the multiple groups of swing coordinates of the transmission line, obtained through calculation. According to the invention, high-sensitivity outdoor power transmission line swing locus measurement can be realized through detection of the direct displacement amount, the measuring precision is high, and the continuity and the completeness of swing locus measurement of the power transmission line can also be guaranteed.

Description

technical field [0001] The invention relates to the field of transmission line detection, in particular to a measurement system and method for galloping trajectory of a transmission line based on direct displacement. Background technique [0002] Galloping of transmission lines refers to the low-frequency and large-amplitude vibration of transmission lines under the action of external unbalanced stress. When the outdoor transmission line dances, it often causes accidents such as damage to the fittings on the transmission tower and flashover between phases of the transmission line. In severe cases, the galloping of the transmission line will cause large-scale accidents such as the collapse of the transmission tower. Therefore, monitoring the galloping of transmission lines has important practical value and economic significance. [0003] At present, the monitoring of transmission line galloping mainly uses the acceleration sensor system and the camera with the digital image ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/20
CPCG01B21/00
Inventor 魏建林董丽洁杨威刘博王兰若李梦丽赵书杰艾文君
Owner STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST
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