Surveying and mapping unmanned aerial vehicle and surveying and mapping method thereof

Abstract

The surveying and mapping unmanned aerial vehicle comprises a vehicle body, a central control module is fixedly mounted at the top of the vehicle body, a mounting platform and an undercarriage are fixedly connected to the bottom of the vehicle body, a main camera and a side camera are fixedly mounted at the bottom of the mounting platform, a lens of the main camera faces the right lower portion, and a lens of the side camera faces the right lower portion. Lenses of the two side cameras incline towards the two sides respectively, and the lower end faces of the main camera and the side cameras are provided with a first auxiliary surveying and mapping mechanism and a second auxiliary surveying and mapping mechanism respectively. Through cooperation of the first auxiliary surveying and mapping mechanism and the second auxiliary surveying and mapping mechanism, lenses of the main camera and the side camera can be wiped clean when the lenses of the main camera and the side camera are contaminated by rainwater or dust, and the proportion of shot surveying and mapping photos can be ensured to be consistent under the condition of strong wind.

Description

technical field [0001] The invention relates to the technical field of drone surveying and mapping, in particular to a surveying and mapping drone and a surveying and mapping method. Background technique [0002] After a geological disaster occurs, it will cause serious damage to the traffic and communication in the disaster area, making it difficult for rescuers to enter the disaster area at the first time. The disaster situation in the disaster area, especially the information related to geospatial information, cannot be transmitted to the rescue command and decision-making. In the hands of personnel, oblique photography technology can be used to obtain accurate, intuitive, comprehensive and multi-angle topographic maps of disaster areas in time. Oblique images refer to the images obtained by aerial cameras with a certain oblique angle. At the same time, it collects images of ground targets from different angles such as vertical and inclined. In the same flight zone, the i...

AI Technical Summary

Problems solved by technology

[0003] Since the inclination angle of the cameras on both sides is about 45 degrees, if it rains during surveying and mapping, the cameras on both sides will be stained with rainwater, and the surveying and mapping lenses will be blurred by the rain, resulting in blurred topographic maps with errors. The focal length is determined. Shooting at a certain height can ensure that the proportions of the photos are consistent. However, the UAV will fly higher or lower than the set height when it is blown by strong winds. It is difficult for the UAV to quickly adjust the height. Reverting back to the original place will cause the scale of the survey map taken at this time to change, and it is difficult to stitch the photos taken; when the drone lands, it is difficult to ensure that the landing ground is flat, and if there are stones on the ground, it will cause It collides with the lens and causes damage, and dust will be blown up when the drone lands, causing the lens to be contaminated with dust, which is not conducive to the next surveying and mapping. Therefore, we propose a surveying and mapping drone and its surveying method

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