Pesticide proportioning device for unmanned aerial vehicle

Abstract

This utility model relates to the field of pesticide mixing technology and discloses a pesticide mixing device for drones, including a controller with wings at each of the four corners, a fixed frame at the bottom of the controller, and support legs at the bottom of the controller near the four corners. The pesticide mixing device for drones also includes a mixing component, which is fixedly installed at the bottom of the fixed frame for automatic and precise pesticide mixing by the drone. Two quantitative pumps quantitatively extract pesticide and water from the support frame and water tank into a mixing tank, and a flow sensor continuously monitors the flow rate. Compared with the traditional manual mixing method, there is no need to manually weigh and mix in the field. It is especially suitable for drone high-altitude operation scenarios, reducing the workload of manual transportation of pesticide solution, while avoiding the safety hazards of human contact with high-concentration pesticides. It is more suitable for efficient plant protection operations in large-area farmland.

Description

Technical Field

[0001] This utility model relates to the field of pesticide formulation technology, and more specifically to a pesticide formulation device for unmanned aerial vehicles (UAVs). Background Technology

[0002] In the field of modern agricultural plant protection, drones have become one of the core equipment for pesticide spraying operations due to their advantages such as high operating efficiency, wide coverage, and adaptability to complex terrain. The effectiveness of pesticide spraying depends not only on the performance of the spraying equipment, but also on the accuracy of the pesticide-to-water ratio and the uniformity of the mixture. Improper ratio can easily lead to crop damage or incomplete control of pests and diseases, while uneven mixing can cause local deviations in pesticide concentration, affecting the quality of plant protection.

[0003] According to research, existing agricultural drone pesticide spraying devices achieve aerial spraying of pesticides by setting a pesticide tank and spraying mechanism at the bottom of the drone; or by setting a stirring component in the pesticide tank for mixing pesticides and water. In addition, some technologies attempt to integrate proportioning functions, such as controlling the input ratio of pesticides and water by manually adjusting valves, or using a single quantitative structure to achieve preliminary proportioning.

[0004] The shortcomings of existing technologies are as follows: First, in terms of pesticide formulation, most devices still rely on manual mixing of pesticides and water on the ground before adding the mixed solution to the drone's tank. This not only increases the intensity of manual handling but also makes it impossible to flexibly adjust the formulation according to different crops and types of pests and diseases, resulting in poor adaptability. Second, in terms of pesticide mixing, the stirring components of existing devices are mostly stirring rods or blades that rotate in one direction, which can easily create dead zones in the tank, causing the pesticide concentrate and water to not fully mix, resulting in problems such as local concentrations that are too high or too low.

[0005] Therefore, there is a need to provide a pesticide mixing device for drones to solve the problems mentioned above. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a pesticide mixing device for drones to solve the problems existing in the background art.

[0007] This utility model provides the following technical solution: a pesticide mixing device for drones, including a controller, with wings provided at each of the four corners of the controller, a fixed frame fixedly connected to the bottom of the controller, and support columns fixedly connected to the bottom of the controller near the four corners.

[0008] The pesticide mixing device for drones also includes:

[0009] A dispensing component, which is fixedly installed at the bottom of the fixed frame, is used for automatic and precise drug dispensing by drones;

[0010] A mixing tank is fixedly installed at the bottom of the proportioning component. A protective shell is fixedly connected to the right side of the mixing tank. A water pump is fixedly connected to the bottom of the mixing tank. A sprayer is fixedly connected to the bottom of the water pump. The mixing tank is used to centrally mix a fixed amount of pesticide and water.

[0011] A two-way mixing assembly is installed inside the mixing tank and the protective shell, and is used to efficiently and uniformly mix pesticides and water.

[0012] Preferably, the mixing component includes a support frame, the top of which is fixedly connected to a fixing frame, a medicine tank is fixedly connected to the left side of the inside of the support frame, a water tank is fixedly connected to the right side of the inside of the support frame, a metering pump is fixedly connected to the bottom of both the medicine tank and the water tank, a water delivery pipe is fixedly connected to the bottom of both metering pumps, a flow sensor is fixedly installed in the middle of both water delivery pipes, and the bottom of both water delivery pipes is fixedly connected to the top middle of the mixing tank.

[0013] Preferably, an operation screen is fixedly installed on the top of the controller, and the operation screen is electrically connected to the metering pump through the controller.

[0014] Preferably, the bidirectional stirring assembly includes:

[0015] A U-shaped frame, the outer wall of which is fixedly connected to the protective shell, has limiting rings fixedly connected to both the left and right ends of the U-shaped frame. A second stirring rod is movably sleeved on the middle of the limiting ring near the left end. A second stirrer is fixedly sleeved on the outer wall of the second stirring rod located inside the mixing chamber. A second auxiliary bevel gear is fixedly sleeved on the outer wall of the second stirring rod near the right end. A first stirring rod is movably sleeved on the middle of the limiting ring near the right end. A first stirrer is fixedly sleeved on the outer wall of the first stirring rod located inside the mixing chamber. The first stirring rod and the second stirring rod are rotatably sleeved together. A first auxiliary bevel gear is fixedly sleeved on the right end of the first stirring rod.

[0016] A drive mechanism is provided between the second and the first bevel gears and is used to drive the second and the first bevel gears to rotate in opposite directions.

[0017] Preferably, the driving mechanism includes a stirring motor, the outer wall of which is fixedly connected to the front side of the U-shaped frame via a fixing plate, and the transmission end of the stirring motor is fixedly connected to a main bevel gear through the U-shaped frame. The outer wall of the main bevel gear meshes with a second secondary bevel gear and a first secondary bevel gear.

[0018] Preferably, a limiting block is fixedly connected to the right side of the inner wall of the protective shell, and the right end of the first stirring rod passes through a limiting collar and is movably sleeved with the limiting block.

[0019] The technical effects and advantages of this utility model are as follows:

[0020] 1. This utility model, by incorporating a mixing component, allows for intelligent setting of pesticide and water quantitative mixing ratios via the control panel on top of the controller when using a drone for pesticide spraying. Supported by a fixed frame and a support frame, two quantitative pumps quantitatively extract pesticide and water from the support frame and water tank into a mixing tank. A flow sensor continuously monitors the flow rate. Compared to traditional manual pesticide mixing methods, it eliminates the need for manual weighing and mixing in the field, making it particularly suitable for drone aerial operations. It reduces the workload of manually transporting pesticide solutions and avoids the safety hazards of human contact with high-concentration pesticides, making it more suitable for efficient plant protection operations in large-scale farmland.

[0021] 2. This utility model, by incorporating a bidirectional stirring assembly, allows for the mixing of pesticides and water within the mixing chamber. Supported by a U-shaped frame, the stirring motor is activated, driving the main bevel gear to rotate. This, in turn, causes the second and first auxiliary bevel gears to rotate in opposite directions, which in turn drives the second and first stirring rods to rotate in opposite directions. This, in turn, causes the first and second stirrers within the mixing chamber to rotate in opposite directions, ensuring thorough and rapid mixing of the pesticides and water. A limiting block provides rotational support for the first stirring rod. This bidirectional stirring structure breaks down the dead zones in liquid circulation created by unidirectional stirring, allowing the pesticide concentrate and water to collide and fuse fully in a short time, preventing localized excessively high or low pesticide concentrations. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0023] Figure 2 This is a cross-sectional view of the overall structure of this utility model.

[0024] Figure 3 This is a schematic diagram of the proportioning component of this utility model.

[0025] Figure 4 This is a structural diagram of the mixing box of this utility model.

[0026] Figure 5 This is an enlarged schematic diagram of the structure at point A of this utility model.

[0027] The attached diagram is labeled as follows: 1. Wing; 2. Controller; 3. Fixing frame; 4. Proportioning component; 401. Support frame; 402. Medicine tank; 403. Metering pump; 404. Water pipe; 405. Flow sensor; 406. Water tank; 5. Mixing tank; 6. Supporting column; 7. Protective shell; 8. Two-way stirring assembly; 801. First stirrer; 802. Second stirrer; 803. First stirring rod; 804. Second stirring rod; 805. U-shaped frame; 806. Stirring motor; 807. Limiting collar; 808. Secondary bevel gear; 809. Secondary bevel gear; 810. Main bevel gear; 811. Limiting block; 9. Sprayer; 10. Water pump. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0029] like Figure 1-5 As shown, this utility model has the following two specific embodiments.

[0030] Example 1

[0031] This utility model is a pesticide mixing device for drones, including a controller 2, with wings 1 at each of the four corners of the controller 2, a fixed frame 3 fixedly connected to the bottom of the controller 2, and support columns 6 fixedly connected to the bottom of the controller 2 near the four corners.

[0032] The pesticide mixing device for drones also includes:

[0033] The proportioning component 4 is fixedly installed at the bottom of the fixed frame 3 and is used for automatic and precise drug dispensing by drone;

[0034] The mixing tank 5 is fixedly installed at the bottom of the proportioning component 4. A protective shell 7 is fixedly connected to the right side of the mixing tank 5. A water pump 10 is fixedly connected to the bottom of the mixing tank 5. A sprayer 9 is fixedly connected to the bottom of the water pump 10. The mixing tank 5 is used to centrally mix a certain amount of pesticide and water.

[0035] The bidirectional stirring component 8 is located inside the mixing chamber 5 and the protective shell 7, and is used for efficient and uniform mixing of pesticides and water.

[0036] The mixing component 4 includes a support frame 401. The top of the support frame 401 is fixedly connected to the fixing frame 3. A medicine tank 402 is fixedly connected to the left side of the inside of the support frame 401, and a water tank 406 is fixedly connected to the right side of the inside of the support frame 401. A metering pump 403 is fixedly connected to the bottom of both the medicine tank 402 and the water tank 406. A water delivery pipe 404 is fixedly connected to the bottom of both metering pumps 403. A flow sensor 405 is fixedly installed in the middle of both water delivery pipes 404. The bottom of both water delivery pipes 404 is fixedly connected to the top middle of the mixing tank 5.

[0037] An operation panel is fixedly installed on the top of the controller 2, and the operation panel is electrically connected to the metering pump 403 through the controller.

[0038] In this embodiment, as Figure 1-3 As shown, the intelligent pesticide and water quantitative mixing ratio is set through the operation screen on the top of the controller 2. Under the support of the fixed frame 3 and the support frame 401, two quantitative pumps 403 quantitatively extract pesticide and water from the support frame 401 and the water tank 406 into the mixing tank 5. The flow sensor 405 continuously monitors the flow rate.

[0039] Example 2

[0040] The difference from Embodiment 1 is that this embodiment discloses a bidirectional stirring assembly 8 comprising:

[0041] U-shaped frame 805, the outer wall of U-shaped frame 805 is fixedly connected to the protective shell 7. Limiting collars 807 are fixedly connected to both the left and right ends of U-shaped frame 805. A second stirring rod 804 is movably sleeved in the middle of the limiting collar 807 near the left end. A second stirrer 802 is fixedly sleeved in the outer wall of the second stirring rod 804 located in the mixing box 5. A secondary bevel gear 808 is fixedly sleeved in the outer wall of the second stirring rod 804 near the right end. A first stirring rod 803 is movably sleeved in the middle of the limiting collar 807 near the right end. A first stirrer 801 is fixedly sleeved in the outer wall of the first stirring rod 803 located in the mixing box 5. The first stirring rod 803 and the second stirring rod 804 are rotatably sleeved together. A secondary bevel gear 809 is fixedly sleeved in the right end of the first stirring rod 803.

[0042] The drive mechanism is located between the second secondary bevel gear 808 and the first secondary bevel gear 809, and is used to drive the second secondary bevel gear 808 and the first secondary bevel gear 809 to rotate in opposite directions.

[0043] The drive mechanism includes a stirring motor 806. The outer wall of the stirring motor 806 is fixedly connected to the front side of the U-shaped frame 805 by a fixing plate. The transmission end of the stirring motor 806 passes through the U-shaped frame 805 and is fixedly connected to a main bevel gear 810. The outer wall of the main bevel gear 810 is meshed with a secondary bevel gear 808 and a secondary bevel gear 809.

[0044] A limiting block 811 is fixedly connected to the right side of the inner wall of the protective shell 7, and the right end of the first stirring rod 803 passes through the limiting collar 807 and is movably connected to the limiting block 811.

[0045] In this embodiment, as Figure 1-2 and Figure 4-5 As shown, supported by the U-shaped frame 805, the stirring motor 806 is turned on, which drives the main bevel gear 810 to rotate, thereby driving the secondary bevel gear 808 and the secondary bevel gear 809 to rotate in the opposite direction. This drives the second stirring rod 804 and the first stirring rod 803 to rotate in the opposite direction, thereby driving the first stirrer 801 and the second stirrer 802 in the mixing box 5 to rotate in the opposite direction, so as to fully and quickly mix the pesticide and water in the mixing box 5.

[0046] The working principle of this utility model is as follows: When using a drone to spray pesticides, the pesticide and water quantitative ratio is set intelligently through the operation screen on the top of the controller 2. Under the support of the fixed frame 3 and the support frame 401, two quantitative pumps 403 quantitatively extract pesticides and water from the support frame 401 and the water tank 406 into the mixing tank 5. The flow sensor 405 continuously monitors the flow rate. When mixing the pesticides and water in the mixing tank 5, under the support of the U-shaped frame 805, the stirring motor 806 is turned on, which drives the main bevel gear 810 to rotate, thereby driving the secondary bevel gear 2 808 and secondary bevel gear 1 809 to rotate in the opposite direction. This drives the second stirring rod 804 and the first stirring rod 803 to rotate in the opposite direction, thereby driving the first stirrer 801 and the second stirrer 802 in the mixing tank 5 to rotate in the opposite direction, so as to fully and quickly mix the pesticides and water in the mixing tank 5. The limiting block 811 limits and supports the rotation of the first stirring rod 803.

[0047] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0048] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0049] In conclusion, the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A pesticide mixing device for unmanned aerial vehicles (UAVs), comprising a controller (2), characterized in that: The controller (2) is provided with wings (1) at each of its four corners. The bottom of the controller (2) is fixedly connected to a fixing frame (3). The bottom of the controller (2) is fixedly connected to a support column (6) near each of its four corners. The pesticide mixing device for drones also includes: The proportioning component (4) is fixedly installed at the bottom of the fixed frame (3) for automatic and precise drug dispensing by UAV; A mixing tank (5) is fixedly installed at the bottom of the proportioning component (4). A protective shell (7) is fixedly connected to the right side of the mixing tank (5). A water pump (10) is fixedly connected to the bottom of the mixing tank (5). A sprayer (9) is fixedly connected to the bottom of the water pump (10). The mixing tank (5) is used to centrally mix a fixed amount of pesticide and water. A bidirectional stirring assembly (8) is disposed inside the mixing tank (5) and the protective shell (7) for efficient and uniform mixing of pesticides and water.

2. The pesticide mixing device for unmanned aerial vehicles according to claim 1, characterized in that: The mixing component (4) includes a support frame (401), the top of which is fixedly connected to a fixing frame (3). A medicine tank (402) is fixedly connected to the left side of the inside of the support frame (401), and a water tank (406) is fixedly connected to the right side of the inside of the support frame (401). A metering pump (403) is fixedly connected to the bottom of both the medicine tank (402) and the water tank (406). A water delivery pipe (404) is fixedly connected to the bottom of both of the metering pumps (403). A flow sensor (405) is fixedly installed in the middle of both of the water delivery pipes (404). The bottom of both of the water delivery pipes (404) is fixedly connected to the top middle of the mixing tank (5). 3.The pesticide proportioning device for a UAV according to claim 1, characterized in that: An operation screen is fixedly installed on the top of the controller (2), and the operation screen is electrically connected to the metering pump (403) through the controller.

4. The pesticide proportioning device for unmanned aerial vehicle according to claim 1, characterized in that: The bidirectional stirring assembly (8) includes: A U-shaped frame (805) is fixedly connected to the outer wall of a protective shell (7). Limiting rings (807) are fixedly connected to both the left and right ends of the U-shaped frame (805). A second stirring rod (804) is movably sleeved on the middle of the limiting ring (807) near the left end. A second stirrer (802) is fixedly sleeved on the outer wall of the second stirring rod (804) located inside the mixing chamber (5). The second stirring rod (804) is located near... A secondary bevel gear (808) is fixedly sleeved on the outer wall of the right end. A first stirring rod (803) is movably sleeved on the middle part of the limiting collar (807) near the right end. A first stirrer (801) is fixedly sleeved on the outer wall of the first stirring rod (803) located inside the mixing box (5). The first stirring rod (803) and the second stirring rod (804) are rotatably sleeved together. A secondary bevel gear (809) is fixedly sleeved on the right end of the first stirring rod (803). A drive mechanism is provided between the second secondary bevel gear (808) and the first secondary bevel gear (809) for driving the second secondary bevel gear (808) and the first secondary bevel gear (809) to rotate in opposite directions.

5. The pesticide mixing device for unmanned aerial vehicles according to claim 4, characterized in that: The driving mechanism includes a stirring motor (806), the outer wall of which is fixedly connected to the front side of the U-shaped frame (805) by a fixing plate. The transmission end of the stirring motor (806) passes through the U-shaped frame (805) and is fixedly connected to a main bevel gear (810). The outer wall of the main bevel gear (810) meshes with the secondary bevel gear (808) and the secondary bevel gear (809).

6. The pesticide mixing device for unmanned aerial vehicles according to claim 4, characterized in that: A limiting block (811) is fixedly connected to the right side of the inner wall of the protective shell (7), and the right end of the first stirring rod (803) passes through the limiting collar (807) and is movably sleeved with the limiting block (811).

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