Buoyancy assisted lifting type unmanned aerial vehicle

Abstract

The invention discloses a buoyancy assisted lifting type unmanned aerial vehicle. The buoyancy assisted lifting type unmanned aerial vehicle comprises an unmanned aerial vehicle body (1), a controller, an electronic speed regulator, multiple supporting arms (4) and a rotor wing assembly, wherein the rotor wing assembly comprises a rotor wing (11), a rotor wing input shaft, a rotor wing mounting base (6), an air bag device controlled by the controller, a driving mechanism for driving the rotor wing (11) to rotate, and an angle adjusting mechanism for adjusting the angle of pushing force of the rotor wing (11); the air bag device comprises an air bag (2) folded into the inner cavity of the unmanned aerial vehicle body (1) and a gas filling device, the air bag (2) is transversely arranged right above the unmanned aerial vehicle body (1) after being opened; and the angle adjusting mechanism comprises a first adjusting mechanism for driving the rotor wing (11) to rotate circumferentially along the axis of the supporting arm (4) and a second adjusting mechanism for driving the rotor wing (11) to swing slightly along the axis perpendicular to the supporting arm (4) within a range from 0 degree to 40 degrees. The buoyancy assisted lifting type unmanned aerial vehicle has relatively strong cruising ability and can be operated relatively flexibly.

Description

technical field [0001] The invention relates to the field of unmanned aerial vehicles, in particular to a buoyancy-assisted lifting unmanned aerial vehicle. Background technique [0002] Unmanned aerial vehicle (UAV) is a kind of aircraft that is gradually becoming practical at present. It has the advantages of flexible maneuvering, quick response, unmanned flight, and low operation requirements. Loading multiple types of sensors on UAVs, such as cameras, can realize real-time image transmission and detection of high-risk areas. monitor. At present, UAVs are mostly designed and manufactured based on the flight principle of helicopters, which can realize vertical lift and high-altitude hovering, so as to meet the requirements of aerial photography and monitoring. The most common ones are fixed-wing and multi-rotor (for example, quadrotor ). But the problem is that the lift source of the unmanned aerial vehicle of the prior art is generally only the rotor, while the fixed-w...

AI Technical Summary

Problems solved by technology

But the problem is that the lift source of the UAV in the prior art is generally only the rotor, while the fixed-wing UAV has high requirements for meteorological conditions, high take-off and landing requirements, and high cost; The power source of man-machine is generally battery. For example, the battery of the existing quadrotor UAV is generally 5000mAh, and its flight time is only 15-20 minutes, and its endurance is poor.

Moreover, the rotor of the UAV in the prior art is generally fixed at the end of the support arm, and the angle of rotation cannot be adjusted, and its flexibility is slightly insufficient.

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