One of the problems in the development of plant protection drones in China is the combination and relationship of aviation flyers and agricultural plant protection. Plant protection is produced along with the development of agricultural pests and diseases, and low-altitude aviation has emerged with the breakthrough of aviation technology. The initial combination of aviation and plant protection has formed low-altitude aviation plant protection. Aviation and plant protection are like the mutual dependence of fish and water to form aviation insurance, but there is a fundamental difference between the two. Plant protection is boring and dirty, and it needs to be honestly and repeatedly tested in the fields . Aviation is the most cutting-edge discipline of high technology. It requires engineers to develop in the office building . The combination of aviation and plant protection is the plant protection machine. The plant protection machine is listed in the agricultural machinery category by the state for the supervision of the agricultural machinery department . The plant protection machine research and development enterprise is included in the high-tech industry by the state, then the plant protection machine is the agricultural tool or the high-tech civilian product. The doubts in the minds of aviation plant protection companies.

Under the background of building modern agriculture, the rapid development of aviation plant protection industry and high-speed development, China's 1.8 billion mu of arable land provides a huge stage for aviation plant protection. It is noteworthy that the object aviation plant protection service of agriculture and farmers' livelihood plans unpretentious, so that farmers in the edge of a handheld tablet or phone to download maps and route waypoints set for independent operation also need a very long process, but due to various The reason why agricultural cultivated land has been in disorderly operation for several decades has caused various obstacles in the farmland, which has formed a huge obstacle to the development of aviation plant protection . In a modern society where materialism is demanding and efficient, the impetuousness of seizing the market and quickly profiting affects the aviation plant protection industry. The focus is on the aesthetics and illusion of the aircraft itself. Few people are willing to stand down to study loneliness and research on aviation and plant protection. How to combine effectively.

In the organic combination of aviation and plant protection, we must bear in mind that the three words of plant protection, aviation , and farmers will not go wrong . We have to think about how we can take advantage of the superiority of aviation plant protection: high concentration of spray liquid and small spray mist, but things are two-sided, the mist is too fine to diffuse , drift and evaporate . The traditional solution is to dilute with water in large quantities, the drug is attached to the water droplets, and the problem is solved by using the gravity and high pressure of the water particles to solve the problem quickly . This method is not suitable for drones . Fog Machine with the wind rotor and the solution evaporated to diffuse drift problems, a general multi-down wind rotor reaches 5-6 meters per second, a single wind rotor reaches 7-9 meters per second, when the flying machine speed increase plant protection Nature When the wind is lower than the downward wind , the medicine mist is basically straight and oblique downward . If the flying speed of the drone plus the natural wind is greater than the downward wind, the medicine mist is free to fall .

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