Agricultural unmanned aerial vehicle precise fertilization and pest control device
By connecting a precision fertilization component and a pesticide tank to the bottom of the drone, and using a pump to deliver the pesticide and adjust the spray nozzle, the problem of separating drone fertilization and pest control is solved, achieving efficient integration of fertilization and control and reducing production costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 乔茜
- Filing Date
- 2025-03-20
- Publication Date
- 2026-04-17
AI Technical Summary
Existing drone fertilization devices do not have pest and disease control functions, which means that fertilization and pest and disease control need to be carried out separately, increasing production costs.
Design an agricultural drone with detachable precision fertilization components and a medicine tank on the front and rear sides of the bottom. The liquid medicine is delivered to the T-pipe and extension pipe through the pump body to spray out from the spray hole. It combines fertilization and pest control, and the spray width can be adjusted by adjusting the length of the spray hole and extension pipe.
This approach combines fertilization with pest and disease control, improving work efficiency and reducing production costs.
Smart Images

Figure CN224125072U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of agricultural technology, and more specifically, to an agricultural drone precision fertilization and pest control device. Background Technology
[0002] Agriculture is an industry that utilizes the growth and development patterns of plants and animals to obtain products through artificial cultivation. Agriculture belongs to the primary sector, and the science that studies agriculture is agronomy. The objects of agricultural labor are living organisms such as plants and animals, and the products obtained come from the organisms themselves, such as silk and musk. Agriculture is a fundamental industry that supports national economic construction and development. The cultivation of crops generally requires fertilization and pest and disease control.
[0003] A search revealed that the application CN220369036U discloses "a precision variable fertilization device for drones, including a drone body and a fertilization component... When the mounting block enters the groove, it contacts the inclined surface of the locking block, pushing the locking block back into the groove. After the mounting block is fully inserted into the groove, the rebound unit drives the moving block and the locking block to rebound, and the locking block enters the slot to complete the limiting of the mounting block. At the same time, by moving the lever, the moving block can be moved, quickly disengaging the locking block from the slot to complete the disassembly of the mounting block. This allows the storage tank and the drone body to be separated, facilitating subsequent separate maintenance and making it easier for staff to operate." However, this application does not have a pest and disease control function and cannot combine fertilization with pest and disease control, so that pest and disease control drugs and fertilizers are sprayed together at the crop planting site. This would require separate spraying of pest and disease control drugs after fertilization, which would increase production costs.
[0004] To address the aforementioned issues, this application provides an agricultural drone-based precision fertilization and pest control device. Utility Model Content
[0005] One objective of this application is to provide an agricultural drone precision fertilization and pest control device, comprising a drone body, with precision fertilization components and a medicine tank detachably connected to the front and rear sides of the bottom of the drone body, respectively. A pump body is installed inside the medicine tank, and a T-junction is connected to the bottom of the medicine tank, with the top end of the T-junction penetrating the bottom of the medicine tank and connecting to one end of the pump body. Extension tubes are inserted into both ends of the T-junction, and multiple first spray holes and multiple second spray holes are provided on the extension tubes. A fixing frame is fixedly connected to the outside of the T-junction, and sliding plates are symmetrically slidably connected to the fixing frame. A connecting block is fixedly connected to the extension tubes. A bidirectional lead screw is rotatably connected to the inside of the fixing frame, and sliding blocks are symmetrically threaded onto the outside of the bidirectional lead screw.
[0006] Furthermore, the fixed frame is symmetrically provided with sliding grooves, and the sliding plate is slidably inserted into the inside of the sliding groove. The two ends of the sliding plate are respectively fixedly connected to the connecting block and the sliding block.
[0007] Furthermore, the inner surface of the sliding plate is slidably connected to the outer surface of the tee pipe, the sliding block is slidably connected between the tee pipe and the fixed frame, the fixed frame is arranged in a "U" shape, and one end of the bidirectional lead screw extends to the outside of the fixed frame and is fixedly connected to a rotating handle.
[0008] Furthermore, the diameters of the first spray hole and the second spray hole are equal, and the distance between two adjacent first spray holes is equal to the distance between two adjacent second spray holes.
[0009] Furthermore, annular grooves are provided on the outer walls of opposite ends of the two extension tubes, and matching sealing rings are provided inside the annular grooves.
[0010] Furthermore, a dosing tube is fixedly connected to the outside of the medicine box, and a cover is threaded onto the upper outer side of the dosing tube.
[0011] Furthermore, two fixing blocks are fixedly connected to the bottom of the drone body, and mounting frames are fixedly connected to the top of the medicine tank and the precision fertilization component. The mounting frame has threaded holes, and fixing bolts are threaded into the inside of the threaded holes. Limiting holes are opened on the fixing blocks, and a limiting groove is opened on the inner wall of the mounting frame away from the threaded holes. The fixing bolts pass through the limiting holes and extend into the inside of the limiting grooves. Abutment rods are fixedly connected to the four corners of the top of the precision fertilization component and the medicine tank.
[0012] The beneficial effects of this application are:
[0013] 1. When the drone takes off, it uses a precision fertilization component to apply fertilizer. At the same time, it controls the pump to pump the liquid fertilizer from the tank into the three-way pipe and extension pipe, and finally sprays it onto the crops through the first and second spray holes. This combines fertilization with pest and disease control, applying pesticides and fertilizers together to the crop planting area without the need for separate operations, thus improving work efficiency and reducing production costs.
[0014] 2. Turning the handle drives the bidirectional lead screw to rotate. The rotation of the bidirectional lead screw causes the two sliding blocks to move relative to each other or towards each other between the fixed frame and the T-connector. The movement of the sliding blocks drives the sliding plate to move, which in turn drives the connecting block to move. The movement of the connecting block causes the extension tube to move inside the T-connector, thereby adjusting the total length of the two extension tubes and the T-connector. This also aligns the second spray hole on the T-connector with the first spray hole on the extension tube, thus adjusting the spray width of the liquid medicine and expanding the applicability of the device. Attached Figure Description
[0015] The accompanying drawings are provided to further understand this application and form part of the specification. They are used together with the embodiments of this application to explain this application and do not constitute a limitation thereof.
[0016] In the attached diagram:
[0017] Figure 1 This is a schematic diagram of the overall structure of this application;
[0018] Figure 2 This is a partial structural diagram of this application;
[0019] Figure 3 This is a schematic diagram of the extension tube and tee tube structure of this application;
[0020] Figure 4 This is a partial structural cross-sectional view of this application.
[0021] Explanation of the labels in the diagram:
[0022] 1. Drone body; 2. Precision fertilization component; 3. Medicine tank; 4. T-joint pipe; 5. Abutment rod; 6. Dosing pipe; 7. Mounting frame; 8. Fixing block; 9. Limiting groove; 10. Fixing bolt; 11. Extension pipe; 12. Fixing frame; 13. Sliding block; 14. Two-way lead screw; 15. Sliding plate; 16. Connecting block; 17. First spray hole; 18. Second spray hole; 19. Sliding groove; 20. Sealing ring. Detailed Implementation
[0023] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0024] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0025] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0026] Example:
[0027] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 This application discloses an agricultural drone precision fertilization and pest control device, including a drone body 1. A precision fertilization component 2 and a medicine tank 3 are detachably connected to the front and rear sides of the bottom of the drone body 1, respectively. The precision fertilization component 2 controls the opening and closing of the discharge port, thereby facilitating precise control of the amount of fertilizer applied. The precision fertilization component 2 is prior art, and its structure and working principle are based on a precision variable fertilization device for drones published (announcement) number CN220369036U, which will not be described in detail here. A pump body is installed inside the medicine tank 3, and a three-way pipe 4 is connected to the bottom of the medicine tank 3, with the top end of the three-way pipe 4 penetrating through the medicine tank 3. The bottom of the three-way pipe 4 extends into the interior of the medicine tank 3 and is connected to one end of the pump body. Extension pipes 11 are respectively inserted into the two ends of the three-way pipe 4. Multiple first spray holes 17 are opened on the extension pipes 11 and multiple second spray holes 18 are opened on the three-way pipe 4. The pump body is controlled to work, and the pump body draws the medicine liquid inside the medicine tank 3 into the interior of the three-way pipe 4 and the extension pipe 11. Finally, it is sprayed out through the first spray holes 17 and the second spray holes 18 to spray the crops. A fixed frame 12 is fixedly connected to the outside of the three-way pipe 4. A sliding plate 15 is symmetrically slidably connected to the fixed frame 12. A connecting block 16 is fixedly connected to the extension pipe 11. A two-way screw 14 is rotatably connected to the inside of the fixed frame 12.
[0028] A sliding block 13 is symmetrically threaded onto the outer side of the double-acting screw 14. A sliding groove 19 is symmetrically provided on the fixed frame 12. A sliding plate 15 is slidably inserted into the sliding groove 19. Both ends of the sliding plate 15 are fixedly connected to the connecting block 16 and the sliding block 13, respectively. The inner surface of the sliding plate 15 is slidably connected to the outer surface of the tee pipe 4. The sliding block 13 is slidably connected between the tee pipe 4 and the fixed frame 12. The fixed frame 12 has a "U"-shaped structure. One end of the double-acting screw 14 extends to the outer side of the fixed frame 12 and is fixedly connected to a rotating handle. Turning the rotating handle causes the double-acting screw 14 to rotate. The rotation of the double-acting screw 14 causes the two sliding blocks 13 to move within the fixed frame. The sliding block 13 moves relative to or towards the sliding plate 15, which in turn moves the connecting block 16. The connecting block 16 moves the extension pipe 11 inside the three-way pipe 4, thereby adjusting the total length of the two extension pipes 11 and the three-way pipe 4. This makes the second spray hole 18 on the three-way pipe 4 correspond to the first spray hole 17 on the extension pipe 11, thereby adjusting the spray width of the liquid medicine and improving the applicability of the device. The diameters of the first spray hole 17 and the second spray hole 18 are equal, and the distance between two adjacent first spray holes 17 is equal to the distance between two adjacent second spray holes 18.
[0029] Please see Figure 4 An annular groove is provided on the outer wall of each of the two extension tubes 11 at opposite ends. A matching sealing ring 20 is provided inside the annular groove. The sealing ring 20 seals the space between the tee tube 4 and the extension tube 11, thereby improving the sealing performance between the tee tube 4 and the extension tube 11.
[0030] Please see Figure 2 A dosing tube 6 is fixedly connected to the outside of the medicine tank 3. The horizontal section of the dosing tube 6 is inclined so that the medicine can flow into the inside of the medicine tank 3 when adding medicine through the dosing tube 6. A cap is threaded on the upper outer side of the dosing tube 6. The cap can be unscrewed to facilitate the addition of medicine into the inside of the medicine tank 3 through the dosing tube 6.
[0031] Please see Figure 1 and Figure 2Two fixing blocks 8 are fixedly connected to the bottom of the drone body 1. Mounting frames 7 are fixedly connected to the top of both the medicine tank 3 and the precision fertilization component 2. Threaded holes are provided on the mounting frames 7, and fixing bolts 10 are threaded into the inside of these holes. Limiting holes are provided on the fixing blocks 8, and a limiting groove 9 is provided on the inner wall of the mounting frame 7 on the side away from the threaded holes. Tightening the fixing bolts 10 into the limiting holes connects and fixes the mounting frame 7 and the fixing blocks 8. Inserting the fixing bolts 10 into the limiting groove 9 further enhances the stability of the fixing blocks 8 inside the mounting frame 7, thus facilitating the installation of the medicine tank 3 and the precision fertilization component 2. To install and fix component 2, tighten the fixing bolt 10 and move it out of the limiting groove 9 and the limiting hole, thereby releasing the limiting of the fixing block 8. Then, the mounting frame 7 can be removed from the outside of the fixing block 8, which facilitates the disassembly of the medicine tank 3 and the precision fertilization component 2. The fixing bolt 10 passes through the limiting hole and extends into the limiting groove 9. The four corners of the top of the precision fertilization component 2 and the medicine tank 3 are fixedly connected with abutment rods 5, so that the four abutment rods 5 on the top of the medicine tank 3 and the top of the precision fertilization component 2 abut against the bottom surface of the drone body 1, thereby improving the stability of the installation of the medicine tank 3 and the precision fertilization component 2.
[0032] The implementation principle of this application embodiment is as follows: the total length of the two extension tubes 11 and the three-way tube 4 is adjusted according to the actual situation to adjust the spraying width of the medicine. Specifically, turning the handle drives the bidirectional screw 14 to rotate. The rotation of the bidirectional screw 14 causes the two sliding blocks 13 to move relative to each other or towards each other between the fixed frame 12 and the three-way tube 4. The movement of the sliding block 13 drives the sliding plate 15 to move. The movement of the sliding plate 15 drives the connecting block 16 to move. The movement of the connecting block 16 drives the extension tube 11 to move inside the three-way tube 4, thereby adjusting the total length of the two extension tubes 11 and the three-way tube 4, and making the second spray hole 18 on the three-way tube 4 correspond to the first spray hole 17 on the extension tube 11. The mounting frame 7 on the medicine box 3 and the precision fertilization component 2 is respectively fitted on the outside of the two fixed blocks 8. The fixing bolt 10 is screwed into the inside of the limiting hole, thereby connecting and fixing the mounting frame 7 and the fixing block 8. The fixing bolt 10 is inserted into the inside of the limiting groove 9 to further improve the stability of the fixing block 8 installed inside the mounting frame 7.
[0033] Then, the liquid medicine is added into the medicine tank 3 through the dosing pipe 6, and the fertilizer is added into the precision fertilization component 2. Then, the drone body 1 takes off and uses the precision fertilization component 2 to fertilize. At the same time, the pump is controlled to work, and the pump pumps the liquid medicine in the medicine tank 3 into the three-way pipe 4 and the extension pipe 11. Finally, it is sprayed out through the first spray hole 17 and the second spray hole 18 to spray the crops. This realizes the combination of fertilization and pest control, and the pest control drugs and fertilizers are sprayed into the crop planting area at the same time without separate operation, which improves work efficiency and reduces production costs.
[0034] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and application concept of this application, should be included within the scope of protection of this application.
Claims
1. An agricultural unmanned aerial vehicle precision fertilization and pest control device, comprising an unmanned aerial vehicle body (1), characterized in that: The bottom front and rear sides of the drone body (1) are detachably connected to a precision fertilization component (2) and a medicine tank (3). The medicine tank (3) is equipped with a pump body. The bottom of the medicine tank (3) is connected to a three-way pipe (4), and the top end of the three-way pipe (4) penetrates the bottom of the medicine tank (3) and is connected to one end of the pump body. Extension pipes (11) are inserted into the two ends of the three-way pipe (4). Multiple first spray holes (17) are opened on the extension pipe (11). Multiple second spray holes (18) are opened on the three-way pipe (4). A fixing frame (12) is fixedly connected to the outside of the three-way pipe (4). A sliding plate (15) is symmetrically slidably connected to the fixing frame (12). A connecting block (16) is fixedly connected to the extension pipe (11). A two-way screw (14) is rotatably connected to the inside of the fixing frame (12). A sliding block (13) is symmetrically threaded on the outside of the two-way screw (14).
2. The precision fertilization and pest control device for agricultural unmanned aerial vehicles according to claim 1, characterized in that: The fixed frame (12) is symmetrically provided with sliding grooves (19), and the sliding plate (15) is slidably inserted into the inside of the sliding groove (19). The two ends of the sliding plate (15) are fixedly connected to the connecting block (16) and the sliding block (13) respectively.
3. The precision fertilization and pest control device for agricultural unmanned aerial vehicles according to claim 1, characterized in that: The inner surface of the sliding plate (15) is slidably connected to the outer surface of the three-way pipe (4), the sliding block (13) is slidably connected between the three-way pipe (4) and the fixed frame (12), the fixed frame (12) is arranged in a "U" shape, and one end of the bidirectional screw (14) extends to the outside of the fixed frame (12) and is fixedly connected to a rotating handle.
4. The precision fertilization and pest control device for agricultural unmanned aerial vehicles according to claim 1, characterized in that: The diameters of the first spray hole (17) and the second spray hole (18) are equal, and the distance between two adjacent first spray holes (17) is equal to the distance between two adjacent second spray holes (18).
5. The precision fertilization and pest control device for agricultural unmanned aerial vehicles according to claim 1, characterized in that: An annular groove is provided on the outer wall of each of the two extension tubes (11) at opposite ends, and a matching sealing ring (20) is provided inside the annular groove.
6. The precision fertilization and pest control device for agricultural unmanned aerial vehicles according to claim 1, characterized in that: The medicine box (3) is fixedly connected to the outside of the medicine tube (6), and the upper end of the medicine tube (6) is threaded with a cover.
7. The precision fertilization and pest control device for agricultural unmanned aerial vehicles according to claim 1, characterized in that: Two fixing blocks (8) are fixedly connected to the bottom of the drone body (1). The top of the medicine tank (3) and the precision fertilization component (2) are both fixedly connected to the mounting frame (7). The mounting frame (7) has a threaded hole, and a fixing bolt (10) is threaded into the inside of the threaded hole. The fixing block (8) has a limit hole. The inner wall of the mounting frame (7) away from the threaded hole has a limit groove (9). The fixing bolt (10) passes through the limit hole and extends into the inside of the limit groove (9). The four corners of the top of the precision fertilization component (2) and the medicine tank (3) are fixedly connected to the abutment rod (5).
Citation Information
Patent Citations
Accurate variable fertilization device for unmanned aerial vehicle
CN220369036U