Fixed-wing unmanned aerial vehicle used for insecticide spraying and method for insecticide spraying

Abstract

The invention discloses a fixed-wing unmanned aerial vehicle used for insecticide spraying. The fixed-wing unmanned aerial vehicle comprises a vehicle body, wings and a tail wing, wherein the wings and the tail wing are mounted on the vehicle body, and vehicle motors and propellers are arranged on the wings. The vehicle body is provided with methanol and water reforming hydrogen making and electricity generating modules, an air inlet, an air injection adjuster, an insecticide sprayer, an insecticide storage cabin, a methanol and water storage container, delivering pumps, an electric power controller and a super capacitor, wherein a reformer and a fuel battery are integrated in each methanol and water reforming hydrogen making and electricity generating module. The air inlet is used for inputting outside air, and the input outside air passes through the fuel batteries and the air injection adjuster sequentially and then is output from the insecticide sprayer. The super capacitor is used for electricity supply when the fixed-wing unmanned aerial vehicle is started and supplies electricity to the vehicle motors when the real-time power of the vehicle motors is increased rapidly. According to the fixed-wing unmanned aerial vehicle used for insecticide spraying and a method for insecticide spraying, the capacity usage ratio and conversion rate are high, the volume of carried insecticide is large, the outside air used by the methanol and water reforming hydrogen making and electricity generating modules can be utilized to spray insecticide, operating cost is low, and environment is not polluted.

Description

technical field [0001] The invention relates to the technical field of unmanned aerial vehicles, in particular to a fixed-wing unmanned aerial vehicle for spraying pesticides and a method for spraying pesticides. Background technique [0002] In 1918, the United States first used aircraft to spray pesticides to kill cotton bugs, and agricultural aviation kicked off the history. Over the past 100 years, agricultural aviation has been rapidly applied and promoted in the United States, New Zealand, Australia, the United Kingdom, Japan, China and other countries. Due to the advantages of small size, light weight, flexible control, good pesticide spraying effect, and high operating efficiency, UAVs are gradually replacing manned aircraft in the field of aircraft spraying pesticides. [0003] At present, there are two main types of UAVs used for spraying pesticides, one is the rotary-wing unmanned helicopter, and the other is the fixed-wing UAV. The fixed-wing UAV has the characte...

AI Technical Summary

Problems solved by technology

[0004] (1) Aviation fuel engines are usually used as power, and their fuel consumption is very large, and the fuel utilization efficiency is low. Therefore, UAVs need to carry a large amount of aviation fuel, which is not only expensive and expensive, but also causes the weight of UAV Heavy, low pesticide load;

[0005] (2) When spraying pesticides, it is necessary to set up a separate device to absorb the outside air for spraying;

[0006] (3) The fixed-wing UAV needs to be equipped with a generator driven by a fuel engine to supply power to the airframe control system and the device for spraying pesticides. After the generator is installed, the load on the fuel engine is increased and the energy conversion efficiency is reduced. ;

[0007] (4) Aviation fuel engines will produce a large amount of exhaust gas during operation, causing air pollution, which is not conducive to environmental protection

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