Unmanned aerial vehicle pesticide spraying device

Abstract

The invention discloses an unmanned aerial vehicle pesticide spraying device, and relates to the technical field of agriculture, the unmanned aerial vehicle pesticide spraying device comprises an unmanned aerial vehicle, the bottom of the unmanned aerial vehicle is provided with a storage box, the side surface of the storage box is provided with a driving pump, the output end of the driving pump is provided with a connecting pipe, the bottom of the unmanned aerial vehicle is provided with a connecting box, and the bottom of the connecting box is slidably provided with a plurality of nozzles; the ends, away from the driving pump, of the two connecting pipes are fixedly connected with the connecting box, a treatment box is installed at the bottom of the connecting box, and a treatment assembly is arranged on the treatment box. The treatment assembly comprises a plurality of first rotating rods rotationally connected to the inner side of the treatment box, spiral blades mounted on the outer sides of the first rotating rods, and fourth rotating rods symmetrically and rotationally connected to the inner side of the treatment box. The pesticide can be uniformly dispersed and sprayed to the ground in the vertical direction, so that the deposition rate of the pesticide can be improved, and the uniform pesticide application of crops can be ensured.

Description

Technical Field

[0001] This invention relates to the field of agricultural technology, and in particular to a drone pesticide spraying device. Background Technology

[0002] Unmanned aerial vehicle (UAV) pesticide spraying devices are specialized equipment integrated into unmanned aerial vehicles (UAVs). Equipped with a pesticide tank, pump system, nozzles, and navigation module, they achieve precise atomization and targeted spraying of pesticides. Their core function is to convert pesticides into tiny droplets, and using the downdraft generated by the UAV's flight, the pesticide solution evenly covers the crop surface, including both sides of leaves and hidden areas, thereby improving the control effect. UAV spraying offers significant advantages; a single UAV can cover 30-50 acres per hour, more than 50 times the efficiency of manual spraying. For example, 800 acres of farmland can be sprayed in a day, while a manual backpack sprayer can only cover 20 acres. Suitable for large-scale farmland, orchards, tea gardens, and other similar scenarios, it significantly shortens the operation cycle.

[0003] Conventional drone spraying devices use fixed nozzles, and the sprayed pesticide is easily affected by wind, resulting in uneven distribution of droplets within the crop canopy, such as excessive deposition at the top and insufficient deposition in the middle and lower parts. Furthermore, when spraying with conventional nozzles, the pesticide is atomized under high pressure, producing some fine mist. These fine mists are lightweight and easily affected by airflow, making them prone to dissipation into the air and resulting in waste. Therefore, a drone pesticide spraying device is proposed. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies, such as the sprayed pesticide solution being easily affected by wind, resulting in uneven distribution of droplets within the crop canopy, and the fact that conventional nozzles, after high-pressure atomization, produce some fine pesticide mists that are lightweight, easily affected by airflow, and readily disperse into the air, leading to waste. Therefore, this invention proposes a drone-based pesticide spraying device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A drone-based pesticide spraying device includes a drone, a storage box mounted on the bottom of the drone, a drive pump mounted on the side of the storage box, a connecting pipe mounted on the output end of the drive pump, a connecting box mounted on the bottom of the drone, and multiple nozzles slidably disposed on the bottom of the connecting box. The ends of two connecting pipes away from the drive pump are fixedly connected to the connecting box. A processing box is mounted on the bottom of the connecting box, and a processing assembly is disposed on the processing box. The processing assembly includes multiple first rotating rods rotatably connected inside the processing box, helical blades mounted on the outer sides of the first rotating rods, a fourth rotating rod symmetrically rotatably connected inside the processing box, fan blades mounted on the outer sides of the fourth rotating rods, a drive unit for driving the helical blades and fan blades to rotate, and a transmission unit for driving the nozzles to reciprocate. Multiple... The nozzle has a first and a second air duct. When spraying pesticides, the drive unit drives multiple first rotating rods. As the first rotating rods rotate, they reciprocate through the transmission unit, spraying the pesticides. The first rotating rods drive the spiral blades to rotate, breaking up the pesticides and applying downward force. The rotation of the spiral blades breaks up the pesticides sprayed by the nozzles and generates downward pressure, ensuring that the pesticides are evenly dispersed and sprayed vertically onto the ground. This helps to improve the pesticide deposition rate and ensures that the crops are evenly treated. The wind generated by the rotation of the blades is discharged through the first and second air ducts. The first and second air ducts blow air around the pesticides. By blowing air around the sprayed pesticides, the fine pesticide mist around the sprayed pesticides can be effectively prevented from escaping, ensuring that the fine pesticide mist falls to the ground along with the main body of the sprayed pesticide, thus improving the utilization rate of the pesticides and the operational effect.

[0006] The above technical solution further includes: The drive unit includes a plurality of first support plates mounted on the side of the connecting box. A second rotating rod is rotatably connected to the side of the first support plate. A second gear is mounted on the outer side of the second rotating rod. A chain is meshed on the outer sides of the plurality of second gears. A servo motor is mounted on the bottom of the drone. A first gear is mounted on the output end of the servo motor. The first gear meshes with the chain. After the servo motor is started, it drives the chain to rotate through the first gear. When the chain rotates, it drives the second rotating rod to rotate through the plurality of second gears respectively.

[0007] The drive unit also includes a first transmission belt that is sleeved on the outer side of the second rotating rod and the first rotating rod. The transmission ratio of the second rotating rod and the first rotating rod is one to one. When the second rotating rod rotates, it drives the first rotating rod to rotate through the first transmission belt.

[0008] The drive unit also includes a second support plate symmetrically mounted on the side of the connecting box. A third rotating rod is rotatably connected to the side of the second support plate. A fifth gear is mounted on the outer side of the third rotating rod. The fifth gear meshes with the chain. A second transmission belt is sleeved on the outer sides of the third rotating rod and the fourth rotating rod. When the chain rotates, it can drive the third rotating rod to rotate through the fifth gear. When the third rotating rod rotates, it can drive the fourth rotating rod to rotate through the second transmission belt.

[0009] The transmission unit includes a third gear mounted on the outside of the first rotating rod, and multiple fourth gears rotatably connected to the bottom of the connecting box. The fourth gears mesh with the third gears, and a movable rod is rotatably connected to the nozzle. When the fourth gears rotate, the nozzles are driven to reciprocate along the sliding groove through the movable rod.

[0010] The bottom of the connecting box is provided with multiple sliding grooves, and the end of the nozzle is equipped with a slider. The opening size of the sliding groove is adapted to the size of the slider, and the cross-section of both the sliding groove and the slider is convex.

[0011] Multiple first and second air-blowing channels are distributed around multiple nozzles.

[0012] The drone is symmetrically equipped with guide plates on its bottom, which can reduce the impact of wind on the storage box and processing box.

[0013] The spiral blade is positioned in the middle of two adjacent nozzles.

[0014] The present invention has the following beneficial effects: 0. In this invention, by setting up a processing component, the reciprocating movement of the nozzle and the rotation of the spiral blades are realized, so that the pesticide sprayed by the nozzle is wider. Then, the rotation of the spiral blades breaks up the pesticide sprayed by the nozzle and generates downward pressure, ensuring that the pesticide is evenly dispersed and sprayed vertically onto the ground, which helps to improve the pesticide deposition rate and ensure that the crops are evenly treated.

[0015] 1. In this invention, the wind generated when the fan blades rotate is discharged through the first and second air ducts, blowing air around the sprayed pesticide. This effectively prevents the fine pesticide mist around the sprayed pesticide from dissipating, ensuring that the fine pesticide mist falls to the ground along with the main body of the sprayed pesticide, thereby improving the utilization rate and operation effect of the pesticide and reducing pesticide waste. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the first integral bottom structure of a drone pesticide spraying device proposed in this invention; Figure 2This is a schematic diagram of the overall bottom cross-sectional structure in this invention; Figure 3 This is a schematic diagram of the second integral bottom structure in this invention; Figure 4 This is a schematic diagram of the overall front structure of the present invention; Figure 5 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle; Figure 6 for Figure 2 Enlarged schematic diagram of the structure at point B; Figure 7 for Figure 3 Enlarged schematic diagram of the structure at point C; Figure 8 for Figure 3 Enlarged schematic diagram of the structure at point D.

[0017] In the diagram: 1. Drone; 2. Storage box; 3. Drive pump; 4. Connecting pipe; 5. Connecting box; 6. Sliding groove; 7. Nozzle; 8. First rotating rod; 9. Spiral blade; 10. Servo motor; 11. First gear; 12. Chain; 13. First support plate; 14. Second rotating rod; 15. First transmission belt; 16. Second gear; 17. Third gear; 18. Fourth gear; 19. Movable rod; 20. Second support plate; 21. Third rotating rod; 22. Fifth gear; 23. Second transmission belt; 24. Fourth rotating rod; 25. Fan blade; 26. Processing box; 27. First air duct; 28. Second air duct; 29. ​​Guide plate. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Example 1 like Figure 1 - Figure 8As shown, the present invention proposes a drone pesticide spraying device, including a drone 1, a storage box 2 installed at the bottom of the drone 1, a drive pump 3 installed on the side of the storage box 2, a connecting pipe 4 installed at the output end of the drive pump 3, a connecting box 5 installed at the bottom of the drone 1, a plurality of nozzles 7 slidably arranged at the bottom of the connecting box 5, and two ends of the connecting pipes 4 away from the drive pump 3 being fixedly connected to the connecting box 5. A processing box 26 is installed at the bottom of the connecting box 5, and a processing assembly is provided on the processing box 26. The processing assembly includes a plurality of first rotating rods 8 rotatably connected inside the processing box 26, spiral blades 9 installed on the outer side of the first rotating rods 8, a fourth rotating rod 24 symmetrically rotatably connected inside the processing box 26, a fan blade 25 installed on the outer side of the fourth rotating rod 24, a drive unit for driving the spiral blades 9 and the fan blades 25 to rotate, and a transmission unit for driving the nozzles 7 to reciprocate. The bottom of the treatment box 26 is provided with multiple first air ducts 27 and second air ducts 28. When the nozzle 7 sprays pesticides, the drive unit drives multiple first rotating rods 8. When the first rotating rods 8 rotate, they are driven to reciprocate and spray through the transmission unit. The first rotating rods 8 drive the spiral blades 9 to rotate, which breaks up the pesticides and applies downward force. The rotation of the spiral blades 9 breaks up the pesticides sprayed by the nozzle 7 and generates downward pressure, ensuring that the pesticides are evenly dispersed and sprayed vertically to the ground. This helps to improve the pesticide deposition rate and ensures that the crops are evenly treated. The wind generated by the rotation of the fan blades 25 is discharged through the first air ducts 27 and second air ducts 28. The first air ducts 27 and second air ducts 28 blow air around the pesticides. By blowing air around the sprayed pesticides, the fine pesticide mist around the sprayed pesticides can be effectively prevented from escaping, ensuring that the fine pesticide mist falls to the ground along with the main body of the sprayed pesticides, thereby improving the utilization rate of pesticides and the operation effect.

[0020] The drive unit includes a plurality of first support plates 13 mounted on the side of the connecting box 5. A second rotating rod 14 is rotatably connected to the side of the first support plate 13. A second gear 16 is mounted on the outer side of the second rotating rod 14. A chain 12 is meshed on the outer sides of the plurality of second gears 16. A servo motor 10 is mounted on the bottom of the drone 1. A first gear 11 is mounted on the output end of the servo motor 10. The first gear 11 meshes with the chain 12. After the servo motor 10 is started, it drives the chain 12 to rotate through the first gear 11. When the chain 12 rotates, it drives the second rotating rod 14 to rotate through the plurality of second gears 16 respectively.

[0021] The drive unit also includes a first transmission belt 15 that is sleeved on the outer sides of the second rotating rod 14 and the first rotating rod 8. The transmission ratio of the second rotating rod 14 and the first rotating rod 8 is one to one. When the second rotating rod 14 rotates, it drives the first rotating rod 8 to rotate through the first transmission belt 15.

[0022] The transmission unit includes a third gear 17 mounted on the outside of the first rotating rod 8, and multiple fourth gears 18 rotatably connected to the bottom of the connecting box 5. The fourth gears 18 mesh with the third gears 17, and the fourth gears 18 and the nozzle 7 are rotatably connected together by a movable rod 19. When the fourth gears 18 rotate, the nozzle 7 is driven to reciprocate along the sliding groove 6 through the movable rod 19.

[0023] The bottom of the connecting box 5 is provided with multiple sliding grooves 6, and the end of the nozzle 7 is equipped with a slider. The opening size of the sliding groove 6 is adapted to the size of the slider, and the cross-section of both the sliding groove 6 and the slider is convex.

[0024] The bottom of the drone 1 is symmetrically equipped with guide plates 29, which can reduce the impact of wind on the storage box 2 and the processing box 26.

[0025] The spiral blade 9 is positioned in the middle of two adjacent nozzles 7.

[0026] In this embodiment, when pesticide spraying is required, the drone 1 is activated and flies along a predetermined trajectory. During flight, the drone 1 uses two guide plates 29 to reduce the impact of wind on the storage tank 2 and the processing tank 26. Simultaneously, the drive pump 3 is activated, transporting the pesticide inside the storage tank 2 to the nozzles 7 via connecting pipes 4 and connecting boxes 5, and spraying it through multiple nozzles 7. At the same time, the servo motor 10 is activated. When the output shaft of the servo motor 10 rotates, it drives the first gear 11 to rotate. The rotation of the first gear 11 drives the chain 12 to rotate. Since the chain 12 meshes with multiple second gears 16, the rotation of the chain 12 drives the rotation of multiple second gears 16, and the rotation of the second gears 16 drives the rotation of the second gears 16. When the moving rod 14 rotates, the first rotating rod 8 is driven to rotate via the first transmission belt 15, which in turn drives the spiral blades 9 to rotate. Since the third gear 17 and the fourth gear 18 are meshed, the first rotating rod 8 can drive the fourth gear 18 to rotate via the third gear 17. When the fourth gear 18 rotates, the nozzle 7 moves back and forth along the sliding groove 6 via the moving rod 19, thus making the pesticide sprayed by the nozzle 7 more widely distributed. In addition, the rotation of the first rotating rod 8 can drive multiple spiral blades 9 to rotate. The rotation of the spiral blades 9 breaks up the pesticide sprayed by the nozzle 7 and generates downward pressure on the pesticide. The two work together to ensure that the pesticide is evenly dispersed and sprayed vertically onto the ground.

[0027] Example 2 like Figure 1 - Figure 8As shown, based on Embodiment 1, the drive unit further includes a second support plate 20 symmetrically mounted on the side of the connecting box 5. A third rotating rod 21 is rotatably connected to the side of the second support plate 20. A fifth gear 22 is mounted on the outer side of the third rotating rod 21. The fifth gear 22 meshes with the chain 12. A second transmission belt 23 is sleeved on the outer sides of the third rotating rod 21 and the fourth rotating rod 24. When the chain 12 rotates, it can drive the third rotating rod 21 to rotate through the fifth gear 22. When the third rotating rod 21 rotates, it can drive the fourth rotating rod 24 to rotate through the second transmission belt 23.

[0028] Multiple first air-blowing slots 27 and second air-blowing slots 28 are distributed around multiple nozzles 7.

[0029] In this embodiment, since the chains 12 mesh with each other, when the chains 12 rotate, the third rotating rod 21 can be driven to rotate through the fifth gear 22. When the third rotating rod 21 rotates, the fourth rotating rod 24 can be driven to rotate through the second transmission belt 23. When the fourth rotating rod 24 rotates, the fan blade 25 can be driven to rotate. The wind generated when the fan blade 25 rotates is discharged through multiple first air ducts 27 and second air ducts 28. The first air ducts 27 and second air ducts 28 can blow air around the pesticide, thereby preventing the fine pesticide mist around the sprayed pesticide from dissipating and ensuring that the fine pesticide mist falls to the ground along with the main body of the sprayed pesticide.

[0030] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A drone-based pesticide spraying device, comprising a drone (1), characterized in that, A storage box (2) is installed at the bottom of the drone (1), a drive pump (3) is installed on the side of the storage box (2), a connecting pipe (4) is installed at the output end of the drive pump (3), a connecting box (5) is installed at the bottom of the drone (1), a plurality of nozzles (7) are slidably arranged at the bottom of the connecting box (5), and the ends of the two connecting pipes (4) away from the drive pump (3) are fixedly connected to the connecting box (5). A processing box (26) is installed at the bottom of the connecting box (5), and a processing component is provided on the processing box (26). The processing component includes a plurality of first rotating rods (8) rotatably connected inside the processing box (26), a spiral blade (9) installed outside the first rotating rods (8), a fourth rotating rod (24) symmetrically rotatably connected inside the processing box (26), and a fourth rotating rod. The fan blade (25) is installed on the outside of the moving rod (24), and the driving unit and transmission unit for driving the spiral blade (9) and fan blade (25) to rotate are provided on the treatment box (26). The bottom of the treatment box (26) is provided with multiple first air ducts (27) and second air ducts (28). When the nozzle (7) sprays pesticides, the driving unit drives multiple first rotating rods (8). When the first rotating rods (8) rotate, they drive the first rotating rods (8) to move back and forth to spray through the transmission unit. The first rotating rods (8) drive the spiral blades (9) to rotate to break the pesticides and apply downward force. The wind generated by the rotation of the fan blades (25) is discharged through the first air ducts (27) and second air ducts (28). The first air ducts (27) and second air ducts (28) blow air around the pesticides.

2. The unmanned aerial vehicle (UAV) pesticide spraying device according to claim 1, characterized in that, The drive unit includes a connecting box (5) with multiple first support plates (13) mounted on the side. The side of the first support plate (13) is rotatably connected to a second rotating rod (14). A second gear (16) is mounted on the outside of the second rotating rod (14). The outer sides of the multiple second gears (16) are meshed with a chain (12). A servo motor (10) is mounted on the bottom of the drone (1). A first gear (11) is mounted on the output end of the servo motor (10). The first gear (11) meshes with the chain (12).

3. The unmanned aerial vehicle (UAV) pesticide spraying device according to claim 2, characterized in that, The drive unit also includes a first transmission belt (15) that is sleeved on the outer side of the second rotating rod (14) and the first rotating rod (8), and the transmission ratio of the second rotating rod (14) and the first rotating rod (8) is one to one.

4. The unmanned aerial vehicle (UAV) pesticide spraying device according to claim 3, characterized in that, The drive unit also includes a second support plate (20) symmetrically installed on the side of the connecting box (5). A third rotating rod (21) is rotatably connected to the side of the second support plate (20). A fifth gear (22) is installed on the outside of the third rotating rod (21). The fifth gear (22) meshes with the chain (12). A second transmission belt (23) is sleeved on the outside of the third rotating rod (21) and the fourth rotating rod (24).

5. The unmanned aerial vehicle (UAV) pesticide spraying device according to claim 1, characterized in that, The transmission unit includes a third gear (17) mounted on the outside of the first rotating rod (8), and multiple fourth gears (18) rotatably connected to the bottom of the connecting box (5). The fourth gears (18) mesh with the third gears (17), and the fourth gears (18) and the nozzle (7) are rotatably connected by a movable rod (19).

6. The unmanned aerial vehicle (UAV) pesticide spraying device according to claim 5, characterized in that, The bottom of the connecting box (5) is provided with multiple sliding grooves (6), and the end of the nozzle (7) is equipped with a slider. The opening size of the sliding groove (6) is adapted to the size of the slider, and the cross-section of the sliding groove (6) and the slider are both convex.

7. The unmanned aerial vehicle (UAV) pesticide spraying device according to claim 1, characterized in that, Multiple first air-blowing slots (27) and second air-blowing slots (28) are distributed around multiple nozzles (7).

8. The unmanned aerial vehicle (UAV) pesticide spraying device according to claim 1, characterized in that, The bottom of the drone (1) is symmetrically equipped with guide plates (29).

9. A drone pesticide spraying device according to claim 1, characterized in that, The spiral blade (9) is positioned in the middle of two adjacent nozzles (7).

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