Anti-fall mechanism of unmanned aerial vehicle urban raise dust monitoring equipment based on Beidou satellite

Abstract

The invention discloses an anti-fall mechanism of unmanned aerial vehicle urban raise dust monitoring equipment based on a Beidou satellite. The anti-fall mechanism comprises an unmanned aerial vehicle rack, and supports are arranged on the two sides of the bottom end of the unmanned aerial vehicle rack. A through hole extending in the vertical direction is formed in the unmanned aerial vehicle rack, and an air inlet cover is fixedly arranged at the bottom end of the through hole through a bolt. A metal cylinder is fixedly arranged at the top end of the inner wall of the air inlet cover through a bolt, and a spring piece is arranged on the outer wall of the metal cylinder in a sleeving mode. A movable sleeve is arranged on the outer wall of the metal cylinder in the sleeving mode, and thetop end of the movable sleeve is hinged with equidistantly distributed fan-shaped blocks. The edge of each fan-shaped block is hinged with a support rod, and one end of the support rod is hinged withthe outer wall of the top end of the unmanned aerial vehicle rack. The anti-fall mechanism realizes rotating expansion of the fan-shaped blocks; under the actions of a miniature gas cylinder and a solenoid valve, a parachute can be blown out from the movable sleeve; and under the action of the air inlet cover, rapid unfolding of the parachute is facilitated, an unmanned aerial vehicle is effectively protected, and rapid falling of the unmanned aerial vehicle is avoided.

Description

technical field [0001] The invention relates to the technical field of unmanned aerial vehicles, in particular to an anti-fall mechanism based on Beidou satellite unmanned aerial vehicle urban dust monitoring equipment. Background technique [0002] With the increase of population and the continuous development of industrial economy and technology, the ensuing environmental pollution has become more and more, and the monitoring and control of some harmful substances such as PM2.5 and PM10 produced during construction and development have become increasingly important. of urgency. The current environmental monitoring methods have great limitations, such as the establishment of fixed monitoring points on buildings such as the ground with low coverage, and the use of satellite remote sensing in large-scale areas with high technical requirements and long cycles. UAVs have also been applied to urban dust monitoring. The existing drones are prone to fall during the detection pro...

AI Technical Summary

Problems solved by technology

The existing drones are prone to fall during the detection process, causing economic losses, so a fall prevention mechanism based on Beidou satellite UAV urban dust monitoring equipment is proposed

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