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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 surface temperature field of gangue mountains, can solve the problems of cumbersome, laborious calculation, and poor operability, and achieves improved speed and efficiency, reduced difficulty, and strong operability. Effect

Inactive Publication Date: 2014-04-30
CHINA UNIV OF MINING & TECH
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Problems solved by technology

[0003] The article "Spatial Information Mining of Infrared Thermal Image of Gangue Dump Temperature Field" and the patent (201110005044.X) "Measurement Method of Coal Gangue Dump Surface Temperature Field Based on Total Station and Infrared Thermal Imager" divide the gangue dump into regions Each small area is regarded as a plane, and the coordinate transformation relation of the area is established by polynomial fitting. Although the temperature field measured by the infrared thermal imager can be assigned spatial coordinates, a large number of marker points need to be established on the gangue hill. It is both laborious and cumbersome to calculate, and when the total station measures the coordinates of the spatial point, it needs to be able to see through the station and the target point, and the slope of the gangue is generally large, so that the operability of the existing method is not strong

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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 control points are arranged to convert the subsequent surface temperature field image of the gangue hill 5 from the pixel coordinate system to the measurement coordinate system with a spatial reference. The following principles should be followed:

[0032] a) Overall, able to control the entire gangue hill5.

[0033] ) Locality, which can reflect the geomorphological change characteristics of Gangue Mountain 5.

[0034] ) The number of control points is greater than the minimum number needed to solve the subsequent binary high-order polynomial parameters.

[0035] Taking into account the characteristics of the cone-shaped gangue hill 5, twenty control points can be evenly arranged around the bottom and top of the gangue hill 5, such as figure 2 As shown in ▲, there are four control points on the top. The number of control points can also be appropriately increased according to the terrain to ensure that there are enough control points to ...

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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...

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Application Information

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