Unmanned aerial vehicle propeller with noise reduction function

The unmanned aerial vehicle propeller with the noise reduction function comprises an unmanned aerial vehicle and a plurality of propellers, the propellers are arranged on the periphery of the unmanned aerial vehicle, one end of each propeller is sleeved with a sound absorption cotton cylinder, and t...

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Bibliographische Detailangaben
Hauptverfasser:	WEI SHUANGSHUANG, DENG JUNJIE, CHEN DOUMING, ZHU BINGBING, LIAN XIAOHU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR AIRCRAFT AVIATION COSMONAUTICS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS SOUND-PRODUCING DEVICES TRANSPORTING
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Beschreibung
Zusammenfassung:	The unmanned aerial vehicle propeller with the noise reduction function comprises an unmanned aerial vehicle and a plurality of propellers, the propellers are arranged on the periphery of the unmanned aerial vehicle, one end of each propeller is sleeved with a sound absorption cotton cylinder, and the outer wall of each sound absorption cotton cylinder is provided with a plurality of fixing pads; a plurality of fixing pads are arranged on the base plate, silica gel pads are movably connected to one ends of the fixing pads in a penetrating mode, a first protection ring is arranged at one end of one part of the silica gel pads, a second protection ring is arranged at one end of the other part of the silica gel pads, and the sound absorption cotton cylinder, the silica gel pads, the second protection rings, the supporting rods, the telescopic rods and the base plate are arranged, so that the sound absorption cotton cylinder gradually deforms under stress; and the first protection ring and the second protection r