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Electric transmission line mountain fire warning method

A transmission line, fire point technology, applied in fire alarms, alarms, instruments, etc., can solve problems such as inconvenience in retrieval, calculation, and storage

Active Publication Date: 2014-07-30
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: Aiming at the inconvenience of obtaining, calculating, and storing the circular buffer zone of the fire point of the transmission line, a method for warning the fire of the transmission line is proposed, which is based on the grid adjacent to the fire point Automatic calculation can effectively solve the problem of slow buffer acquisition, calculation and storage speed, realize automatic buffer calculation, significantly improve the tower screening speed, and realize simple and efficient calculation

Method used

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  • Electric transmission line mountain fire warning method
  • Electric transmission line mountain fire warning method
  • Electric transmission line mountain fire warning method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] (1) Collect tower information data and basic geographic information data. Online collection of information data of transmission line towers in entrusted provinces, including latitude and longitude coordinates, name of the transmission line and voltage level; continue to collect basic geographic information layer data and vegetation distribution layer data of rivers above level five in the entrusted province, three Basic geographic information layer data and vegetation distribution layer data of highways above grade, basic geographic information layer data and vegetation distribution layer data of railways;

[0043] (2) The grid adjacent to the fire point is automatically calculated. Online search for satellite monitoring fire points in entrusted provinces, see attached figure 1 ,according to figure 1 As shown, the satellite monitors the fire point f(lon 0 ,lat 0 ), where f is the satellite monitoring fire point, lon 0 Longitude coordinates of fire point, lat 0 The...

Embodiment 2

[0062] Steps (1)~(4) are the same as in Example 1;

[0063] (5) Determine whether the combustible passage between the fire point and each transmission line is unblocked. According to step (1), the basic geographic information layer data and vegetation distribution layer data of rivers above level 5 in the entrusted province, the basic geographic information layer data and vegetation distribution layer data of roads above level 3, and the basic geographic information of railways collected in step (1) Layer data and vegetation distribution layer data, according to rule b), if there is no obstacle preventing the fire from spreading between the fire point and the transmission line and there is continuous vegetation, then it is judged that the combustible passage between the fire point and the transmission line is unblocked , proceed to the next step;

[0064] (6) Find the nearest tower from the fire point. Using the conventional method, calculate the distance between the towers ...

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Abstract

The invention discloses an electric transmission line mountain fire warning method. The method comprises the following steps that (1) tower information data and basic geographic information data are collected; (2) grids near a fire point are calculated automatically; (3) towers in the grids near the fire point are searched; (4) electric transmission lines where the towers in the grids near the fire point are located are searched; (5) whether the combustible channels between the fire point and all the electric transmission lines are smooth or not is judged; (6) the tower nearest to the fire point is searched; (7) the distance between the fire point and the electric transmission lines is calculated; (8) warning information is issued. The method is fast in screening, convenient to store, capable of achieving automatic generating and calculating, and capable of improving the speed for searching mass tower data; fail reporting is avoided; extraterritorial warning calculation is avoided, and working efficiency is improved; the locating precision of the fire point and the accuracy of warning are improved greatly.

Description

technical field [0001] The invention belongs to the technical field of electric power engineering, and in particular relates to a fire alarm method for transmission lines based on automatic calculation of fire point adjacent grids. Background technique [0002] The outbreak of mountain fires on transmission lines has the characteristics of many points and wide areas, and the fire is too fast. If it is not handled in time, it is easy to cause multi-line tripping. Therefore, for the fire points monitored by satellites, how to quickly calculate the alarms for the transmission lines without delaying the best time to deal with the fire points is a problem worthy of in-depth study. Previously, an alarm calculation method based on the fast search and search algorithm of multi-fire point k-nearest neighbor towers appeared. It only performs alarm calculation for towers in a circular buffer zone of 3km around the fire point, which can avoid redundant tower calculations outside the are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B17/00G08B25/00
Inventor 陆佳政刘毓张红先方针李波
Owner STATE GRID CORP OF CHINA
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