An unmanned aerial vehicle for spraying pesticides

Abstract

The utility model relates to agricultural unmanned plane technical field discloses a kind of unmanned planes for spraying pesticide, including aircraft, and aircraft is provided with medicine box, pump body is arranged on medicine box, and distributor is also arranged on medicine box, and filter unit is also arranged on partition plate, and crushing unit is arranged in medicine box, by the symmetry of transmission shaft being set in medicine box, rotation paddle, water ladle are also set on two transmission shafts, utilize the rotation direction of two transmission shafts to be reverse, and all rotate towards mutually opposite direction, so that the water ladle on the rotation paddle on two transmission shafts can simultaneously pour out and mutually throw pesticide liquid, in the contact impact process of two parts of pesticide liquid, fluid shear force and impact force can break up the agglomerated medicament, while rotating paddle drives water ladle to rotate in the process of rotation, it can be stirred to the pesticide liquid in turbid liquid cavity, and then make the agglomerated medicament and water body uniformly mix, guarantee the concentration of medicament and the prevention effect of pest, while also avoid the waste of medicament.

Description

Technical Field

[0001] This utility model relates to the field of agricultural drone technology, and in particular to a drone for spraying pesticides. Background Technology

[0002] In agricultural production, pests, diseases, and weeds can damage crop physiological structures and growth environments by consuming crop organs, spreading pathogens, and competing for nutrients and water. Statistics show that globally, crop yield reduction due to pests, diseases, and weeds reaches 20%-30% annually. Some highly pathogenic pests and diseases can cause regional crop failure. Scientific spraying of pesticides can effectively suppress the spread of pests, diseases, and weeds, ensuring that the critical growth period of crops from sowing to harvest is not severely disrupted.

[0003] In traditional agriculture, pesticide spraying mainly relies on "manual backpack sprayers" or "tractor-trailer-drawn sprayers". Manual spraying is extremely inefficient, with each person only able to work on 5-8 acres per day, and the pesticide utilization rate is less than 30%, resulting in serious waste. Drones, on the other hand, separate humans from pesticides, avoiding the health risks of human contact with pesticides. A single drone can work on hundreds of acres per day, greatly improving work efficiency. At the same time, traditional equipment such as tractors are limited by terrain and cannot cover complex scenarios such as mountains and greenhouses, while the low-altitude hovering characteristics of drones can be precisely adapted. When using drones for pesticide spraying, the first step is to add the mixed pesticide solution into the drone's tank. Since some pesticides are in powder form, during the preparation of the solution, insufficient mixing can cause the powdered pesticide to clump together, leading to a decrease in the concentration of the solution, affecting the pest and disease control effect, and also wasting the pesticide. Utility Model Content

[0004] In view of the aforementioned problems with drones used for spraying pesticides, this utility model is proposed.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a pesticide spraying drone, including an aircraft, a pesticide tank on the aircraft, a pump body on the pesticide tank, a distributor on the pesticide tank, multiple spray pipes connected to the distributor, a partition plate inside the pesticide tank dividing the internal chamber of the pesticide tank into a turbid liquid chamber and a clean liquid chamber, a filter unit on the partition plate, and a crushing unit inside the pesticide tank; The crushing unit is located inside the turbid liquid chamber. The crushing unit includes two drive shafts. One end of each drive shaft is equipped with a gear. The gears on the two drive shafts mesh with each other. A rotating paddle is mounted on the drive shaft, and water ladles are arranged in an array on the rotating paddle.

[0006] In a preferred embodiment of the pesticide spraying drone of this utility model, the crushing unit is located above the filter unit, and the two drive shafts are symmetrically arranged inside the pesticide tank.

[0007] As a preferred embodiment of the pesticide spraying drone of this utility model, the two rotating propellers on the two drive shafts are symmetrically arranged, the rotating propellers can contact the pesticide liquid inside the tank, and the water ladle on the rotating propeller is always higher than the liquid level in the tank when it is moved to the highest position.

[0008] In a preferred embodiment of the pesticide spraying drone of this utility model, the filter unit includes a filter cylinder, a spiral push rod is rotatably arranged inside the filter cylinder, and a gear is provided at one end of the spiral push rod.

[0009] As a preferred embodiment of the pesticide spraying drone of this utility model, the filter cylinder has a liquid inlet groove at one end and a filter screen at the other end.

[0010] As a preferred embodiment of the pesticide spraying drone of this utility model, a second filter screen is provided in the middle area of ​​the filter cylinder, and the pesticide liquid in the filter cylinder can enter the clean liquid chamber through the second filter screen. A scraper is provided at the edge of the spiral blade of the spiral push rod.

[0011] The beneficial effects of this utility model are: 1. By symmetrically arranging drive shafts inside the medicine tank, and installing rotating paddles and water ladles on the two drive shafts, the two drive shafts rotate in opposite directions, allowing the water ladles on the rotating paddles on the two drive shafts to simultaneously scoop out the medicine and scatter it against each other. During the contact and collision of the two parts of the medicine, the fluid shear force and impact force will break up the clumps of medicine. At the same time, the rotating paddles will stir the medicine in the turbid liquid chamber as they rotate, thus making the clumps of medicine evenly mixed with the water, ensuring the concentration of medicine and the prevention of pests and diseases, while also avoiding the waste of medicine. 2. Since the water used to mix the pesticides is mostly taken from the field, it contains a lot of impurities. By setting up filter screen one and filter screen two on the filter cylinder, and using a spiral push rod to push the pesticide solution to flow, the filter screen one and filter screen two are used to filter out the impurities in the pesticide solution. At the same time, a scraper is used to continuously clean filter screen one and filter screen two, avoiding filter screen blockage caused by the accumulation of impurities and ensuring the filtration effect of the filter unit. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them: Figure 1 This is a schematic diagram of the overall structure of the drone used for spraying pesticides according to this utility model.

[0013] Figure 2 This is a schematic diagram of the internal structure of the pesticide spraying drone of this utility model.

[0014] Figure 3 This is a schematic diagram of the structure of the crushing unit of the drone used for spraying pesticides according to this utility model.

[0015] Figure 4 This is a schematic diagram of the structure of the filter unit for spraying pesticides using a drone according to this utility model.

[0016] Explanation of reference numerals in the attached figures: 1. Aircraft; 11. Medicine box; 12. Pump body; 13. Divider plate; 14. Turbid liquid chamber; 15. Clean liquid chamber; 2. Filter unit; 21. Filter cylinder; 22. Spiral push rod; 23. Gear II; 24. Liquid inlet tank; 25. Filter screen I; 26. Filter screen II; 27. Scraper bar; 3. Crushing unit; 31. Drive shaft; 32. Gear 1; 33. Rotary paddle; 34. Water ladle. Detailed Implementation

[0017] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Example

[0018] Reference Figure 1-3This is the first embodiment of the present invention, providing a pesticide spraying drone. The pesticide spraying drone includes an aircraft 1, on which a pesticide tank 11 is mounted. A pump body 12 is mounted on the pesticide tank 11, and a distributor is also mounted on the pesticide tank 11. Multiple spray pipes are connected to the distributor. The pesticide tank 11 is located at the lower end of the aircraft 1, and the distributor is located on the lower surface of the pesticide tank 11. The pump body 12 is preferably a diaphragm pump. The inlet end of the pump body 12 is connected to and internally communicates with the pesticide tank 11, and the outlet end of the pump body 12 is connected to the distributor. Under the action of the pump body 12, the pesticide solution inside the pesticide tank 11 can enter the distributor through the pump body 12, and then the distributor evenly distributes the pesticide solution into the multiple spray pipes, which are located away from each other. One end of the distributor is equipped with an atomizing nozzle, which contains a vortex chamber. The high-pressure liquid medicine introduced into the nozzle through the pump body 12 forms a high-speed rotating vortex after passing through the vortex chamber. When the vortex is sprayed out of the nozzle, it is broken into round droplets due to centrifugal force. The medicine tank 11 is equipped with a partition plate 13, which divides the internal chamber of the medicine tank 11 into a turbid liquid chamber 14 and a clean liquid chamber 15. A filter unit 2 is also provided on the partition plate 13. A crushing unit 3 is provided inside the medicine tank 11. The medicine tank 11 is equipped with a dosing port, which is interconnected with the inside of the turbid liquid chamber 14. The liquid medicine can be injected into the medicine tank 11 through the dosing port. The liquid medicine in the turbid liquid chamber 14 can pass through the crushing unit 3 and the filter unit 2 before entering the clean liquid chamber 15. The crushing unit 3 is located inside the turbid liquid chamber 14. The crushing unit 3 includes two drive shafts 31. One end of each drive shaft 31 is equipped with a gear 32. The gears 32 on the two drive shafts 31 are meshed with each other. A rotating paddle 33 is mounted on the drive shaft 31. A water ladle 34 is arranged in an array on the rotating paddle 33. A mounting plate is located on the side of the medicine tank 11 near the dosing port. The mounting plate is connected to the medicine tank 11. The drive shaft 31 passes through the medicine tank 11 and is rotatably mounted on the mounting plate. A motor is mounted on the mounting plate. The output shaft of the motor is coaxially connected to one of the drive shafts 31. The gear 32 is located at the end of the drive shaft 31 away from the motor.

[0019] The crushing unit 3 is located above the filter unit 2, and the two drive shafts 31 are symmetrically arranged inside the medicine tank 11. The dosing port is located in the middle area of ​​the two drive shafts 31.

[0020] The rotating paddles 33 on the two drive shafts 31 are symmetrically arranged. The rotating paddles 33 can contact the medicine liquid inside the medicine tank 11, and the water ladle 34 on the rotating paddle 33 is always higher than the liquid level of the medicine liquid inside the medicine tank 11 when it is moved to the highest position.

[0021] During use, first open the inlet and add the pre-mixed solution into the medicine tank 11 through the inlet, then close the inlet to prevent the medicine from splashing out; The medicine liquid entering the medicine box 11 is now in the turbid liquid chamber 14. Then the motor is started, and the output shaft of the motor will drive the first transmission shaft 31 to rotate. When the first transmission shaft 31 rotates, the gear 32 on it will rotate synchronously. Then the gear 32 on the first transmission shaft 31 drives the gear 32 on the second transmission shaft 31 to rotate. At this time, the second transmission shaft 31 starts to rotate. When the two drive shafts 31 rotate, the rotating paddle 33 will start to rotate. The water ladle 34 will scoop out some of the medicine under the drive of the rotating paddle 33. Then, when the water ladle 34 moves to the highest position, the medicine in the water ladle 34 will be thrown out under the action of centrifugal force. Then the medicine thrown out from the two water ladles 34 will collide with each other, thereby breaking up the clump of medicine. The dispersed medicine will be fully mixed with the liquid medicine under the stirring action of the rotating paddle 33 driving the water ladle 34 to move. Example

[0022] Reference Figure 1-4 This is the second embodiment of the present invention, which differs from the first embodiment in that: The filter unit 2 includes a filter cylinder 21, a spiral push rod 22 is rotatably arranged inside the filter cylinder 21, a gear 23 is provided at one end of the spiral push rod 22, a filter groove is opened on the partition plate 13, the filter groove is connected to the turbid liquid chamber 14 and the clean liquid chamber 15 respectively, the filter cylinder 21 is arranged in the filter groove, the gear 23 is located outside the medicine box 11, and the gear 23 is located at the end of the medicine box 11 away from the motor, and the gear 23 meshes with a gear 32.

[0023] One end of the filter cylinder 21 is provided with a liquid inlet 24, and the other end of the filter cylinder 21 is provided with a filter screen 25. The liquid inlet 24 is connected to the turbid liquid chamber 14. The medicine in the turbid liquid chamber 14 can enter the filter cylinder 21 through the liquid inlet 24. Then, driven by the spiral push rod 22, the medicine in the turbid liquid chamber 14 can re-enter the turbid liquid chamber 14 through the filter screen 25. However, the crystals and impurities in the medicine in the turbid liquid chamber 14 will be filtered out by the filter screen 25.

[0024] A second filter screen 26 is provided in the middle area of ​​the filter cylinder 21. The medicine liquid in the filter cylinder 21 can enter the clean liquid chamber 15 through the second filter screen 26. A scraper 27 is provided at the edge of the spiral blade of the spiral push rod 22. The scraper 27 can contact the surface of the second filter screen 26.

[0025] During use, when gear 1 32 rotates, one of the gears 1 32 meshing with gear 2 23 will drive gear 2 23 to rotate. When gear 2 23 rotates, the spiral push rod 22 will start to rotate. When the spiral push rod 22 rotates, it will guide the liquid in the turbid liquid chamber 14 from the liquid inlet tank 24 into the filter cylinder 21. The medicine liquid entering the filter cylinder 21 enters the clean liquid chamber 15 through the filter screen 26. The medicine liquid that does not enter the clean liquid chamber 15 flows back to the turbid liquid chamber 14 through the filter screen 1 25. Impurities in the medicine liquid will be filtered out by the filter screen 1 25 and the filter screen 26. Meanwhile, as the spiral push rod 22 rotates, the impurities accumulated on filter screen 1 25 and filter screen 26 will be scraped off by the scraper 27, and the impurities will be pushed to the end of the filter cylinder 21 away from the liquid inlet tank 24.

[0026] The remaining structure is the same as that in Example 1.

[0027] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A pesticide spraying drone, comprising an aircraft (1), wherein the aircraft (1) is provided with a pesticide tank (11), the pesticide tank (11) is provided with a pump body (12), the pesticide tank (11) is also provided with a distributor, and the distributor is connected to a plurality of spray pipes, characterized in that, The medicine box (11) is provided with a partition plate (13), which divides the internal chamber of the medicine box (11) into a turbid liquid chamber (14) and a clean liquid chamber (15). A filter unit (2) is also provided on the partition plate (13), and a crushing unit (3) is provided inside the medicine box (11). The crushing unit (3) is located in the turbid liquid chamber (14). The crushing unit (3) includes two drive shafts (31). One end of the drive shaft (31) is provided with a gear (32). The gears (32) on the two drive shafts (31) are meshed and connected to each other. A rotating paddle (33) is provided on the drive shaft (31). A water ladle (34) is arranged in an array on the rotating paddle (33).

2. The unmanned aerial vehicle for spraying agricultural chemicals according to claim 1, characterized in that: The crushing unit (3) is located above the filter unit (2), and the two drive shafts (31) are symmetrically arranged inside the medicine box (11).

3. The unmanned aerial vehicle for spraying agricultural chemicals according to claim 1, characterized in that: The two drive shafts (31) are symmetrically arranged with rotating paddles (33). The rotating paddles (33) can contact the medicine liquid inside the medicine tank (11), and the water ladle (34) on the rotating paddles (33) is always higher than the liquid level of the medicine tank (11) when it is moved to the highest position.

4. The unmanned vehicle for spraying agricultural chemicals according to claim 1, characterized in that: The filter unit (2) includes a filter cylinder (21), and a spiral push rod (22) is rotatably arranged inside the filter cylinder (21). A gear two (23) is provided at one end of the spiral push rod (22).

5. The unmanned aerial vehicle for spraying agricultural chemicals according to claim 4, characterized in that: The filter cylinder (21) has a liquid inlet groove (24) at one end and a filter screen (25) at the other end.

6. The unmanned aerial vehicle for spraying agricultural chemicals according to claim 5, characterized in that: The filter cylinder (21) is provided with a filter screen (26) in the middle area. The medicine in the filter cylinder (21) can enter the clean liquid chamber (15) through the filter screen (26). The spiral blade of the spiral push rod (22) is provided with a scraper (27).

Images