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Soil and road surface conductivity measuring system mounted on UAV

An unmanned aerial vehicle and measurement system technology, which is applied in the field of soil and road conductivity measurement systems, can solve the problems of long cycle, many labor, high consumption, etc., and achieve the effects of easy implementation, improved work efficiency, and clear structure

Pending Publication Date: 2018-02-09
BEIJING ORANGELAMP NAVIGATION TECH DEV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the current existing technology, the traditional soil survey method is a soil survey method that relies entirely on manual digging and drilling, and uses the topographic map as the working base map. It requires a lot of labor, a long cycle, and a lot of cost

Method used

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  • Soil and road surface conductivity measuring system mounted on UAV
  • Soil and road surface conductivity measuring system mounted on UAV
  • Soil and road surface conductivity measuring system mounted on UAV

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Embodiment

[0027] Such as image 3 As shown, ρ1 and ρ2 refer to different objects to be detected (soil or other good conductors in the soil). The embodiment of the present invention provides a soil and road surface conductivity measurement system mounted on an unmanned aerial vehicle, and its working principle is : There is a small transmitting coil at the signal transmitting end TX, which can generate a primary magnetic field H that changes with time and whose strength gradually weakens as the depth of the earth increases P , this magnetic field can generate a very weak AC induced current in the earth, and this current induces a secondary magnetic field H S The signal receiving end RX of the conductivity meter is responsible for receiving the secondary electromagnetic field signal generated by the soil conduction current. The electrical signal received by the instrument and proportional to the soil conductivity is displayed as the apparent conductivity of the soil after calculation and ...

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Abstract

The invention discloses a soil and road surface conductivity measuring system mounted on a UAV. The measuring system acquires a signal and transmits a sine wave signal to the ground by a conductivitysensor suspended from the UAV. After the sine wave signal reaches the ground, feedback is performed to produce a weak secondary signal and a secondary attenuation signal, and attitude information is recorded simultaneously. By means of the attitude information, the position of the conductivity sensor is corrected in order to accurately obtain the position information of the secondary attenuation signal. Finally, the conductivity value of a measured object is calculated by means of the secondary attenuation signal. The soil and road surface conductivity measuring system is clear in structure and is easy to realize. Compared with traditional detection, the soil and road surface conductivity measuring system saves time and labors, greatly increase work efficiency, can operate in areas that workers cannot reach previously (such as contaminated areas and damage areas), can quickly obtain the planar graphs of apparent conductivity and apparent magnetic susceptibility, avoids burying electrodes, and has measurement efficiency much higher than that of a traditional DC method.

Description

technical field [0001] The invention relates to the technical field of geological exploration, in particular to a soil and road surface conductivity measurement system mounted on an unmanned aerial vehicle. Background technique [0002] With the development of society, exploration technology has also made great progress along with the development of society. Various means and methods are used to conduct geological exploration and detection to meet the growing social energy demand and to ascertain the quality and quantity of minerals. , as well as the technical conditions for mining and utilization, providing mineral reserves and geological data required for mine construction design, and conducting investigations and research on rocks, strata, structures, minerals, hydrology, landforms and other geological conditions in a certain area have become resources that are increasingly scarce. The modern civilization pays more and more attention to the problem. [0003] Soil investi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/08G01R27/02G01R33/12
CPCG01R27/02G01R33/1215G01V3/08
Inventor 黄申硕陆占国高隆钦郝立凯陈祥忠
Owner BEIJING ORANGELAMP NAVIGATION TECH DEV
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