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A method for locating mountain fires on transmission lines

A technology for transmission lines and positioning methods, which is applied in image analysis, instruments, measuring devices, etc., can solve the problem of inability to automatically calculate the distance from the fire point to the tower, and achieve the effects of reducing losses, improving performance, and improving intelligence and efficiency.

Active Publication Date: 2019-12-24
STATE GRID HUNAN ELECTRIC POWER +3
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Problems solved by technology

[0004] In view of the defect in the above-mentioned prior art that the distance from the fire point to the tower cannot be automatically calculated, the present invention provides a method for locating a mountain fire on a transmission line, which realizes automatic calculation of the distance from the fire near the transmission line to the tower

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  • A method for locating mountain fires on transmission lines
  • A method for locating mountain fires on transmission lines
  • A method for locating mountain fires on transmission lines

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Embodiment Construction

[0055] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0056] The method for locating mountain fires on transmission lines provided by the present invention is to use an infrared camera and a visible light camera to shoot and locate mountain fires based on the binocular principle, wherein the infrared camera and the visible light camera are arranged in parallel.

[0057] see figure 1 , the present invention provides a kind of transmission line mountain fire location method, comprises steps:

[0058] Step 1: Use the first camera and the second camera to take pictures of the wildfire respectively to obtain pictures of the wildfire, and extract the flame area in the picture of the wildfire;

[0059] Wherein, the first camera and the second camera are respectively a visible light camera and an infrared camera; figure 2 with image 3 shown.

[0060] In this embodiment, the visible light camera and ...

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Abstract

The invention discloses a method for locating a mountain fire on a power transmission line, which includes step 1: a first camera and a second camera take pictures of the mountain fire respectively to obtain photos of the mountain fire, and extract the flame area in the photo of the mountain fire; the first camera and the second camera They are visible light camera and infrared camera respectively or the first camera and the second camera are infrared camera and visible light camera respectively; the mountain fire photos are visible light photos and infrared photos respectively; step 2: calculate the flame map centroid of the flame area in the mountain fire photos in step 1 Step 3: Calculate the distance from the mountain fire to the tower where the first camera is installed according to the coordinates of the flame centroid calculated in step 2 and the calibration parameters of the first camera and the second camera. Through the above positioning method, the present invention realizes the positioning of mountain fires to pole towers, and improves the intelligence and efficiency of mountain fire monitoring.

Description

technical field [0001] The invention belongs to the technical field of electrical engineering, and in particular relates to a method for locating mountain fires on power transmission lines. Background technique [0002] Affected by the rapid growth of rural vegetation coverage and farmers' customs of using fire, in recent years, my country's transmission lines have experienced frequent tripping faults caused by wildfires, and the proportion of tripping faults caused by wildfires has continued to increase. Wildfire has become one of the important threats to the safe and stable operation of large power grids. According to the experience of preventing wildfires in the power grid, the key to preventing wildfires on transmission lines is to detect the initial wildfires near the transmission lines in time, monitor their development trends, and take emergency measures. [0003] The distributed mountain fire monitoring device for transmission lines based on visible light-infrared d...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/02G06T7/70
Inventor 陆佳政何立夫罗晶刘毓李波章国勇方针
Owner STATE GRID HUNAN ELECTRIC POWER
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