Airborne pesticide box of agricultural plant protection unmanned aerial vehicle

Abstract

The utility model provides an agricultural plant protection unmanned aerial vehicle onboard pesticide box, and relates to the technical field of unmanned aerial vehicle pesticide boxes, the agricultural plant protection unmanned aerial vehicle onboard pesticide box comprises a pesticide box body, the lower end of the pesticide box body is of a hollow structure, the lower end of the pesticide box body is connected with a detachable stirring assembly, and a gravity center balance assembly is arranged in the pesticide box body on one side of the detachable stirring assembly; the gravity center balance assembly comprises a water pressing plate, a gravity shell and a connecting rod are arranged on the upper side and the lower side of the water pressing plate respectively, and a buoyancy shell is arranged between the gravity shell and the connecting rod. Along with continuous decrease of the liquid medicine, the water pressing plate is automatically adjusted, it is ensured that the distance between the water pressing plate and the liquid medicine horizontal plane is kept to be one centimeter, and the situation that the gravity center of the pesticide box body is affected by shaking of the liquid medicine due to the too large distance between the water pressing plate and the liquid medicine horizontal plane, and consequently the pesticide box body is unstable is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of medicine boxes on unmanned aerial vehicles, and in particular to an agricultural plant protection unmanned aerial vehicle onboard medicine box. Background Art

[0002] UAV: Unmanned aircraft, also known as "UAV", is an unmanned aircraft controlled by radio remote control equipment and self-contained program control devices. At present, UAVs have broad application prospects and are popular among people, especially because they can carry liquid medicine for agricultural planting. By carrying the liquid medicine to high altitudes, the liquid medicine can be sprayed in a designated area using a remote control, achieving large-scale and precise spraying.

[0003] The existing patent (application number: 202223039535.9) is a medicine box for agricultural plant protection drones. The utility model is equipped with a stirring component and a water guide component. When in use, the medicine mixture is first put into the medicine box, and the stirring blade installed on the rotating shaft is driven by the motor to rotate. Then, the medicine mixture in the medicine box can be stirred evenly by the rotation of the stirring blade. Then, the evenly stirred medicine flows slowly and orderly into the bottom of the medicine box through the water filter holes on the partition, which is convenient for stirring and using in the medicine box, and has high practicality.

[0004] However, in this patent, a stirring structure is added to achieve uniform mixing of the medicine liquid. However, during the stirring process, the liquid shakes continuously. As the medicine liquid is sprayed, there is a space without medicine liquid inside the medicine box. At this time, the medicine liquid shakes continuously in the medicine box, which will cause the center of gravity of the entire medicine box to change continuously, thereby causing the medicine box to vibrate and shake, affecting the flight of the drone. Therefore, the utility model proposes an onboard medicine box for an agricultural plant protection drone. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to provide an onboard medicine box for an agricultural plant protection UAV.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an agricultural plant protection drone onboard medicine box, comprising a medicine box body, the lower end of the medicine box body is a hollow structure, the lower end of the medicine box body is connected to a detachable stirring assembly, and a center of gravity balancing assembly is arranged inside the medicine box body on one side of the detachable stirring assembly;

[0007] The center of gravity balance assembly includes a water pressure plate, and a gravity shell and a connecting rod are respectively arranged on the upper and lower sides of the water pressure plate, and a buoyancy shell is arranged between the gravity shell and the connecting rod. The buoyancy shell is movably inserted into a guide slot hole penetrating through the water pressure plate, and trigger buttons are installed on the top and bottom of the water pressure plate.

[0008] Furthermore, the center of gravity balancing assembly also includes an electric push rod, which is installed on the inner top of the water pressure plate, and the output end of the electric push rod is fixedly connected to the top of the water pressure plate, and the electric push rod is electrically connected to the trigger button installed on the top and bottom of the water pressure plate.

[0009] Furthermore, the buoyancy shell is a hollow structure, the buoyancy shell is made of aluminum alloy material, the gravity shell is made of steel material, and the gravity of the gravity shell itself is greater than the buoyancy of the buoyancy shell.

[0010] Furthermore, a plurality of screw holes are provided on the top of the medicine box body, a mounting plate is fixed to the screw holes on the top of the medicine box body by bolts, and a lifting ring is fixed to the top of the mounting plate.

[0011] With the above technical solution, the mounting plate can be freely mounted on the medicine box body, so that it can be adjusted according to the size of the UAV, and the lifting ring can be used for the connection between the UAV and the medicine box body.

[0012] Furthermore, the detachable stirring assembly includes a mounting end, a stirring motor is fixed at the bottom of the mounting end, the output end of the stirring motor movably passes through the mounting end and is fixed with a spiral stirring paddle, and the mounting end is threadedly connected to a threaded groove opened at the bottom end of the medicine box body.

[0013] Furthermore, the detachable stirring assembly also includes a handle ring, which is fixed to the bottom of the mounting end and arranged outside the stirring motor, and a handle groove is opened on the handle ring.

[0014] Furthermore, it also includes a limit ring, and an alarm module is arranged on the side of the limit ring close to the water pressure plate. The limit ring is fixed inside the medicine box body and between the water pressure plate and the mounting end. The inner diameter of the limit ring is greater than the length of the buoyancy shell.

[0015] Furthermore, a spray pipe is provided at the bottom of one end of the medicine box body, an electric control valve is provided on the spray pipe provided on the medicine box body, and the electric control valve provided on the medicine box body is electrically connected to an external control device.

[0016] Compared with the prior art, the advantages and positive effects of the utility model are:

[0017] The utility model arranges a center of gravity balancing component inside the medicine box body so that the distance between the water pressure plate and the horizontal plane of the medicine liquid is less than one centimeter. The shaking of the medicine liquid is limited by the water pressure plate, thereby avoiding the influence of the unstable center of gravity of the medicine box body on the flight of the drone. With this design, as the medicine liquid is continuously reduced, the water pressure plate is automatically adjusted to ensure that the distance between the water pressure plate and the horizontal plane of the medicine liquid is maintained at one centimeter, thereby avoiding the shaking of the medicine liquid affecting the center of gravity of the medicine box body and causing instability of the medicine box body due to the excessive distance between the water pressure plate and the horizontal plane of the medicine liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of an onboard medicine box of an agricultural plant protection UAV of the utility model;

[0019] Figure 2 This is a disassembled diagram of a detachable stirring component in a medicine box onboard an agricultural plant protection UAV of the utility model;

[0020] Figure 3 This is an internal disassembled diagram of an onboard medicine box of an agricultural plant protection UAV of the utility model;

[0021] Figure 4 This is a disassembled diagram of a center of gravity balance component in an onboard medicine box of an agricultural plant protection UAV according to the utility model.

[0022] Reference numerals:

[0023] 1. Medicine box body; 2. Removable stirring assembly; 3. Mounting plate; 4. Lifting ring; 5. Center of gravity balance assembly; 6. Limiting ring; 21. Mounting end; 22. Handle ring; 23. Stirring motor; 24. Spiral stirring paddle; 51. Water pressure plate; 52. Electric push rod; 53. Buoyancy shell; 54. Connecting rod; 55. Gravity shell; 56. Guide slot; 57. Trigger button. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1

[0026] like Figure 1-Figure 4As shown, the utility model provides a technical solution: an agricultural plant protection UAV airborne medicine box, including a medicine box body 1, a spraying pipe is arranged at the bottom of one end of the medicine box body 1, an electric control valve is arranged on the spraying pipe, the lower end of the medicine box body 1 is a hollow structure, the lower end of the medicine box body 1 is connected with a detachable stirring component 2, and a center of gravity balancing component 5 is arranged inside the medicine box body 1 on one side of the detachable stirring component 2. As the liquid medicine is continuously reduced, the water pressure plate 51 is automatically adjusted to ensure that the distance between the water pressure plate 51 and the horizontal plane of the liquid medicine is maintained at one centimeter, so as to prevent the shaking of the liquid medicine due to the excessive distance between the water pressure plate 51 and the horizontal plane of the liquid medicine from affecting the center of gravity of the medicine box body 1 and causing instability of the medicine box body 1.

[0027] The center of gravity balance assembly 5 includes a water pressure plate 51, and a gravity shell 55 and a connecting rod 54 are respectively arranged on the upper and lower sides of the water pressure plate 51. A buoyancy shell 53 is arranged between the gravity shell 55 and the connecting rod 54. The buoyancy shell 53 is movably inserted in a guide slot 56 penetrating through the water pressure plate 51. Trigger buttons 57 are installed on the top and bottom of the water pressure plate 51. The buoyancy shell 53 is a hollow structure, and the buoyancy shell 53 is made of aluminum alloy material. The gravity shell 55 is made of aluminum alloy. The gravity shell 55 is made of steel material, and its own gravity is greater than the buoyancy of the buoyancy shell 53. By ensuring that the gravity of the gravity shell 55 is greater than the buoyancy of the buoyancy shell 53, it can be ensured that when the buoyancy shell 53 floats on the surface of the medicine liquid, the gravity of the gravity shell 55 will press down the buoyancy shell 53, so that the buoyancy shell 53 is partially immersed in the medicine liquid, which not only avoids the buoyancy shell 53 from touching the trigger button 57 at the bottom of the water pressure plate 51, but also can compress the distance between the water pressure plate 51 and the horizontal plane of the medicine liquid.

[0028] The center of gravity balance component 5 also includes an electric push rod 52, which is installed on the inner top of the water pressure plate 51, and the output end of the electric push rod 52 is fixedly connected to the top of the water pressure plate 51. The electric push rod 52 is electrically connected to the trigger button 57 installed on the top and bottom of the water pressure plate 51. The electrical connection between the electric push rod 52 and the trigger button 57 is used to control the start and stop of the electric push rod 52, thereby controlling the up and down movement of the water pressure plate 51, thereby adjusting the distance between the water pressure plate 51 and the horizontal plane of the liquid medicine. The electric push rod 52 is used to limit the shaking of the liquid medicine, so as to avoid the situation where the center of gravity is unstable due to the large shaking amplitude of the liquid medicine.

[0029] A plurality of screw holes are provided on the top of the medicine box body 1, and a mounting plate 3 is fixed to the screw holes on the top of the medicine box body 1 by bolts. A lifting ring 4 is fixed to the top of the mounting plate 3. The mounting plate 3 can be freely installed on the medicine box body 1, so that it can be adjusted according to the size of the drone. The lifting ring 4 can be used for the connection between the drone and the medicine box body 1.

[0030] It also includes a limit ring 6, on which an alarm module is arranged. When the water pressure plate 51 touches the alarm module on the limit ring 6, it indicates that the internal medicine liquid of the surface medicine box body 1 is insufficient. At this time, the staff is prompted to recall the drone and replenish the medicine liquid. The limit ring 6 is fixed inside the medicine box body 1 and fixed between the water pressure plate 51 and the mounting end 21. The horizontal plane where the limit ring 6 is located is above the horizontal plane where the top of the spiral stirring paddle 24 is located. The inner diameter of the limit ring 6 is larger than the length of the buoyancy shell 53. The design of the limit ring 6 can avoid insufficient internal medicine liquid, which causes the electric push rod 52 to control the water pressure plate 51 to move downward and touch the spiral stirring paddle 24.

[0031] like Figure 2 As shown, the detachable stirring assembly 2 includes a mounting end 21, a stirring motor 23 is fixed at the bottom of the mounting end 21, the output end of the stirring motor 23 movably passes through the mounting end 21 and is fixed with a spiral stirring paddle 24, the mounting end 21 is threadedly connected to the thread groove opened at the bottom end of the medicine box body 1, and the spiral stirring paddle 24 is driven to rotate by the stirring motor 23 to achieve stirring of the medicine liquid inside the medicine box body 1, so that the internal medicine liquid is mixed;

[0032] The detachable stirring assembly 2 also includes a handle ring 22, which is fixed to the bottom of the mounting end 21 and is arranged on the outside of the stirring motor 23. A handle groove is provided on the handle ring 22. The design of the handle ring 22 can be easily rotated to remove the mounting end 21, and then remove the entire detachable stirring assembly 2, so that the bottom of the medicine box body 1 is in a connected state, which is convenient for the disassembly and assembly of the detachable stirring assembly 2 and the addition of medicine liquid inside the medicine box body 1.

[0033] Working principle:

[0034] like Figure 1-Figure 4As shown, the bottom of the medicine box body 1 is facing upwards, and then the medicine liquid is added to the inside of the medicine box body 1. Then, the handle groove on the handle ring 22 is held, and the mounting end 21 is threadedly rotated on the bottom of the medicine box body 1 to complete the connection of the detachable stirring assembly 2. Then, according to the size of the drone, the mounting plate 3 is fixed to the top of the medicine box body 1 by bolts, and the lifting ring 4 is used to complete the lifting between the drone and the drone. After that, the medicine liquid can be sprayed through the spray pipe set at one end of the medicine box body 1. During the spraying process, the medicine liquid is continuously reduced, and the buoyancy shell 53 is continuously moved downward with the reduction of the medicine liquid until the bottom of the buoyancy shell 53 is no longer in contact with the medicine liquid. At this time, the gravity of the gravity shell 55 itself drives the connecting rod 54 to move downward. The bottom of the gravity shell 55 touches the trigger button 57 on the top of the water pressure plate 51, and the electric push rod 52 is turned on, driving the water pressure plate 51 to move downward until the bottom of the buoyancy shell 53 touches the medicine liquid again. At this time, under the action of the buoyancy of the buoyancy shell 53, as the water pressure plate 51 continues to move downward, the trigger button 57 on the water pressure plate 51 is separated from the gravity shell 55 until the top of the buoyancy shell 53 touches the trigger button 57 set at the bottom of the water pressure plate 51. At this time, the electric push rod 52 is turned off to ensure that the distance between the water pressure plate 51 and the horizontal plane of the medicine liquid is maintained at one centimeter to prevent the shaking of the medicine liquid due to the excessive distance between the water pressure plate 51 and the horizontal plane of the medicine liquid from affecting the center of gravity of the medicine box body 1, causing instability of the medicine box body 1.

[0035] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An agricultural plant protection drone onboard medicine box, characterized in that: The medicine box body (1) comprises a hollow structure at the lower end of the medicine box body (1), a detachable stirring assembly (2) is connected to the lower end of the medicine box body (1), and a center of gravity balancing assembly (5) is arranged inside the medicine box body (1) on one side of the detachable stirring assembly (2); The center of gravity balance assembly (5) comprises a water pressure plate (51), wherein a gravity shell (55) and a connecting rod (54) are respectively arranged on the upper and lower sides of the water pressure plate (51), a buoyancy shell (53) is arranged between the gravity shell (55) and the connecting rod (54), and the buoyancy shell (53) is movably inserted in a guide slot (56) penetrating through the water pressure plate (51), and trigger buttons (57) are installed on the top and bottom of the water pressure plate (51).

2. The onboard medicine box of an agricultural plant protection UAV according to claim 1, characterized in that: The center of gravity balancing assembly (5) also includes an electric push rod (52), which is installed on the inner top of the water pressure plate (51), and the output end of the electric push rod (52) is fixedly connected to the top of the water pressure plate (51), and the electric push rod (52) is electrically connected to the trigger button (57) installed on the top and bottom of the water pressure plate (51).

3. The onboard medicine box of an agricultural plant protection UAV according to claim 1, characterized in that: The buoyancy shell (53) is a hollow structure, the buoyancy shell (53) is made of aluminum alloy, the gravity shell (55) is made of steel material, and the gravity of the gravity shell (55) itself is greater than the buoyancy of the buoyancy shell (53).

4. The onboard medicine box of an agricultural plant protection UAV according to claim 1, characterized in that: A plurality of screw holes are provided on the top of the medicine box body (1); a mounting plate (3) is fixed to the screw holes on the top of the medicine box body (1) by means of bolts; and a lifting ring (4) is fixed to the top of the mounting plate (3).

5. The onboard medicine box of an agricultural plant protection UAV according to claim 1, characterized in that: The detachable stirring assembly (2) comprises a mounting end (21), a stirring motor (23) is fixed at the bottom of the mounting end (21), an output end of the stirring motor (23) movably passes through the mounting end (21) and is fixed with a spiral stirring paddle (24), and the mounting end (21) is threadedly connected to a threaded groove opened at the bottom end of the medicine box body (1).

6. The onboard medicine box of an agricultural plant protection UAV according to claim 1, characterized in that: The detachable stirring assembly (2) further comprises a handle ring (22), wherein the handle ring (22) is fixed to the bottom of the mounting end (21) and is arranged outside the stirring motor (23), and a handle groove is provided on the handle ring (22).

7. The onboard medicine box of an agricultural plant protection UAV according to claim 1, characterized in that: It also includes a limiting ring (6), which is fixed inside the medicine box body (1) and between the water pressure plate (51) and the mounting end head (21), and the inner diameter of the limiting ring (6) is greater than the length of the buoyancy shell (53).

8. The onboard medicine box of an agricultural plant protection UAV according to claim 1, characterized in that: A spray pipe is arranged at the bottom of one end of the medicine box body (1), and an electric control valve is arranged on the spray pipe arranged on the medicine box body (1). The electric control valve arranged on the medicine box body (1) is electrically connected to an external control device.

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