a drone

Abstract

The invention provides an unmanned plane which comprises a plane body. The plane body comprises a fuselage and a storage device which is arranged behind the fuselage and used for loading cargoes. Two or more front plane arms are symmetrically arranged around the central axis of the fuselage in the front-rear direction. One end of each front plane arm is connected with the front end of the fuselage and extends forwards. The other end of each front plane arm is provided with a front motor to drive the unmanned plane. Two or more rear plane arms are symmetrically arranged around the central axis of the fuselage. One end of each rear plane arm is connected with the rear end of the fuselage and extends backwards. The other end of each rear plane arm is provided with a rear motor to drive the unmanned plane. An intersection area formed by an extension cord, facing the fuselage, of each front plane arm or each rear plane arm and the central axis is located in front of the lift center of the unmanned plane. An action point of the resultant force from the front motors and the rear motors on the unmanned plane is the lift center, and the gravity center of the unmanned plane is close to the lift center. The plane arms of the unmanned plane are connected to the front portion of the fuselage, and a bearing space is reserved in the rear portion, so that the weight is distributed on the fuselage surface uniformly, and the control over the unmanned plane is simple and stable.

Description

technical field [0001] The invention relates to the technical field of aircraft, in particular to an unmanned aerial vehicle. Background technique [0002] UAV is an unmanned aircraft operated by radio remote control equipment and self-contained program control device. At present, the application of UAVs has been extended to many private fields, among which the UAVs represented by agricultural applications often adopt the form of multi-rotors, which is a kind of multi-rotor with multiple propellers and arranged propellers. For the aircraft in the form of aircraft, since multiple propellers are arranged around the aircraft and provide roughly the same lift force, the total lift force is equivalent to acting on the intersection point of the aircraft arms, that is, the geometric center of the fuselage plane. Therefore, the UAV Other load-bearing components of the aircraft are distributed above or / and below the geometric center, so that the acting point of the total gravity of ...

AI Technical Summary

Problems solved by technology

During the working process of the UAV, pesticides, etc. are sprayed out, the variable weight module is continuously reduced, and the total weight of the UAV is continuously reduced. In order to maintain the balance of the machine, it is necessary to continuously change the speed of each rotor motor of the UAV. , rotation angle and other parameters to adjust the lift and direction of action of each propeller, which undoubtedly greatly increases the difficulty of UAV flight control

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