Quick construction method of hillock surface temperature field with space reference

A technology of surface temperature and construction method, which is applied in the field of rapid construction of the surface temperature field of waste rock, can solve the problems of tediousness, poor operability, laborious calculation, etc., to improve speed and efficiency, strong operability, and reduce difficulty Effect

Inactive Publication Date: 2012-08-08
CHINA UNIV OF MINING & TECH
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Problems solved by technology

[0002]Coal gangue contains a small amount of coal and pyrite. Under certain conditions, gangue hills may spontaneously ignite or even explode due to high temperature. Use infrared temperature measurement technology to monitor gangue The temperature field distribution on the surface of the gangue is currently the main method for early warning of gangue disasters. However, the gangue is huge, and the commonly used infrared thermal imaging cameras cannot be imaged at one time when measuring the temperature field of the gangue, and the temperature images taken by it do not have a spatial reference. As a result, even if the abnormal high temperature of the gangue dump is obtained by using the infrared thermal imaging camera, the actual location of the gangue dump cannot be accurately located.
[0003]The article "Spatial Information Mining of Infrared Thermography

Method used

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  • Quick construction method of hillock surface temperature field with space reference
  • Quick construction method of hillock surface temperature field with space reference
  • Quick construction method of hillock surface temperature field with space reference

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Embodiment Construction

[0030] ) control point layout

[0031] The purpose of laying out the control points is to transform the subsequent image of the surface temperature field of Gangue Dump 5 from the pixel coordinate system to the measurement coordinate system with a spatial reference, and the following principles should be followed:

[0032] a) Overall, able to control the entire gangue dump5.

[0033] ) locality, which can reflect the characteristics of the landform change of gangue hill 5.

[0034] ) The number of control points is greater than the minimum number required for the subsequent calculation of binary high-degree polynomial parameters.

[0035] Considering the characteristics of the conical gangue hill 5, twenty control points can be evenly arranged around the bottom and the top of the gangue hill 5, such as figure 2 As shown in ▲, four control points are arranged on the top, and the number of control points can also be appropriately increased according to the terrain...

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Abstract

The invention relates to a quick construction method of a hillock surface temperature field with space reference, which includes control point distribution, control point coordinate measurement, hillock surface temperature collection, temperature image integral splicing and coordinate conversion. The quick construction method of the temperature field is novel and practical, high in reliability, especially suitable for multi-stage monitoring of surface temperature of the hillock and capable of providing accurate temperature distribution data for early warning and treatment of hillock disaster.

Description

technical field [0001] The invention relates to a method for constructing the surface temperature field of the gangue pile, in particular to a rapid construction method of the gangue pile surface temperature field with a space reference, which can accurately warn the spontaneous combustion and explosion of the gangue pile. Background technique [0002] Coal gangue contains a small amount of coal and pyrite. Under certain conditions, the gangue will spontaneously ignite or even explode due to high temperature. Using infrared temperature measurement technology to monitor the distribution of temperature field on the surface of gangue is the main method for early warning of gangue disasters. However, the gangue is huge in size, and the commonly used infrared thermal imaging camera cannot image at one time when measuring the temperature field of the gangue, and the temperature image taken by it does not have a spatial reference. However, the actual location of the gangue dump can...

Claims

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Application Information

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IPC IPC(8): G01J5/00
Inventor 汪云甲田丰王坚
Owner CHINA UNIV OF MINING & TECH
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