Pesticide spraying device of agricultural unmanned aerial vehicle

Abstract

The pesticide spraying device of the agricultural unmanned aerial vehicle relates to the technical field of pesticide spraying and comprises an unmanned aerial vehicle body, a pesticide storage box is arranged at the bottom of the unmanned aerial vehicle body, and supporting legs, a spraying pipe and a discharging pipe are arranged on the outer side of the pesticide storage box; according to the pesticide spraying device of the agricultural unmanned aerial vehicle, when the inner wall of a pesticide storage box is cleaned, the output end of a driving motor drives a threaded rod to rotate along the interior of a threaded hole, so that a moving plate drives a hanging rod to slide along the inner side of a moving groove, and a supporting frame drives a cleaning brush to clean along the inner side of the pesticide storage box; and the feedback is sent to the control circuit board until the moving plate is in contact with a group of limiting switches, so that the output end of the driving motor is controlled to rotate reversely, the cleaning brush is further driven to perform reverse cleaning and repeated cleaning along the inner wall of the pesticide storage box, secondary mixing of subsequent pesticide liquid is avoided, the pesticide effect of the pesticide is ensured, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pesticide spraying, in particular to a pesticide spraying device of an agricultural unmanned aerial vehicle. Background Art

[0002] A drone is an unmanned aircraft controlled by a radio remote control device and a self-contained program control device, or operated completely or intermittently autonomously by an onboard computer. The current application of drones in the fields of aerial photography, agriculture, plant protection, micro selfies and express delivery has greatly expanded the use of drones themselves. Developed countries are also actively expanding industry applications and developing drone technology. In agriculture, drones are often used to carry pesticides for spraying in farmland, killing insects and sterilizing to increase the growth rate of crops.

[0003] During the use of the existing drone pesticide spraying device, it is inconvenient to clean the interior of the medicine storage box, which needs to be disassembled for cleaning and cannot be cleaned automatically, which easily causes secondary mixing of the medicine, affecting the efficacy of the pesticide and thus reducing its practicality. For this reason, the utility model proposes a pesticide spraying device for an agricultural drone. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a pesticide spraying device for an agricultural UAV, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a pesticide spraying device for an agricultural drone, comprising a drone body, a medicine storage box is arranged at the bottom of the drone body, legs, a nozzle and a discharge pipe are arranged on the outside of the medicine storage box, a nozzle is arranged at the bottom of the nozzle, a solenoid valve is arranged on the outside of the discharge pipe, a support arm and a camera are arranged on the outside of the drone body, a steering gear is installed on the upper end of the support arm, a fan blade is connected to the output end of the steering gear, and a cleaning component, a control circuit board and a battery are arranged inside the drone body;

[0006] The cleaning component includes a driving motor, the output end of the driving motor is connected to a threaded rod, a movable plate and a limit switch are arranged inside the UAV body, a threaded hole is opened in the middle of the movable plate, a guide rod is arranged inside the fan blade, a guide hole is opened in the middle of the movable plate, a suspension rod is arranged at the bottom of the movable plate, a movable groove is opened inside the UAV body and the medicine storage box, the bottom of the suspension rod is connected to a support frame, and a cleaning brush is arranged at the upper end of the support frame.

[0007] As a further technical solution of the utility model, the medicine storage box is a hollow structure, the number of the legs is two groups and are symmetrically distributed, the nozzle is connected to the medicine storage box, and a water pump is provided between the medicine storage box and the nozzle, the number of the nozzles is several groups and are distributed in an array, and the discharge pipe is connected to the medicine storage box.

[0008] As a further technical solution of the utility model, the solenoid valve is electrically connected to the control circuit board, a remote control module and a communication module are arranged inside the control circuit board, the number of the support arms is four groups and distributed in an array, the servo is connected to the support arm by bolts, and the output end of the servo is fixedly connected to the fan blade.

[0009] As a further technical solution of the utility model, the drive motor is electrically connected to the control circuit board, the output end of the drive motor is fixedly connected to the threaded rod, a bearing seat is provided at the connection between the threaded rod and the drone body, the movable plate is a rectangular structure, and the threaded hole and the guide hole both pass through the middle of the movable plate.

[0010] As a further technical solution of the utility model, the threaded hole is adapted to the threaded rod, the guide rods are in two groups and are symmetrically distributed, the guide rods are adapted to the guide holes, and the suspension rod is fixedly connected to the movable plate.

[0011] As a further technical solution of the utility model, the suspension rod is adapted to the movable groove, the suspension rod is fixedly connected to the support frame, the support frame is fixedly connected to the cleaning brush, the outer side of the cleaning brush is in contact with the inner wall of the medicine storage box, the limit switches are in two groups and are symmetrically distributed, and the limit switches are electrically connected to the control circuit board.

[0012] The utility model provides a pesticide spraying device for an agricultural drone. Compared with the prior art, it has the following beneficial effects:

[0013] The present invention is a pesticide spraying device for an agricultural drone. A cleaning component is arranged inside a medicine storage box. When the inner wall of the medicine storage box is cleaned, the output end of the driving motor drives the threaded rod to rotate along the inside of the threaded hole, so that the moving plate drives the suspension rod to slide along the inner side of the moving groove, and the supporting frame drives the cleaning brush to clean along the inner side of the medicine storage box until the moving plate contacts a group of limit switches, and the feedback is fed back to the control circuit board, thereby controlling the output end of the driving motor to reverse, and further driving the cleaning brush to clean in the reverse direction along the inner wall of the medicine storage box. The cleaning is repeated to ensure that the subsequent liquid medicine will not be mixed for the second time, thereby ensuring the efficacy of the pesticide and improving its practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a pesticide spraying device of an agricultural drone;

[0015] Figure 2 Another perspective view of a pesticide spraying device of an agricultural drone;

[0016] Figure 3 A side view of a pesticide spraying device of an agricultural drone;

[0017] Figure 4 A pesticide spraying device for an agricultural drone Figure 3 Side section view of middle AA;

[0018] Figure 5 A pesticide spraying device for an agricultural drone Figure 4 A is an enlarged view of the middle image.

[0019] In the figure: 1. UAV body; 2. medicine storage box; 3. outrigger; 4. nozzle; 5. nozzle; 6. discharge pipe; 7. solenoid valve; 8. support arm; 9. servo; 10. fan blade; 11. cleaning component; 111. drive motor; 112. threaded rod; 113. moving plate; 114. threaded hole; 115. guide rod; 116. guide hole; 117. suspension rod; 118. moving slot; 119. support frame; 1110. cleaning brush; 1111. limit switch. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides a technical solution for a pesticide spraying device of an agricultural UAV: ​​a pesticide spraying device of an agricultural UAV, comprising a UAV body 1, a medicine storage box 2 is arranged at the bottom of the UAV body 1, a support leg 3, a nozzle 4 and a discharge pipe 6 are arranged on the outside of the medicine storage box 2, a nozzle 5 is arranged at the bottom of the nozzle 4, a solenoid valve 7 is arranged on the outside of the discharge pipe 6, a support arm 8 and a camera are arranged on the outside of the UAV body 1, a steering gear 9 is installed on the upper end of the support arm 8, a fan blade 10 is connected to the output end of the steering gear 9, and a cleaning component 11, a control circuit board and a battery are arranged inside the UAV body 1;

[0022] Among them, the cleaning component 11 includes a driving motor 111, the output end of the driving motor 111 is connected to a threaded rod 112, a moving plate 113 and a limit switch 1111 are arranged inside the drone body 1, a threaded hole 114 is opened in the middle of the moving plate 113, a guide rod 115 is arranged inside the fan blade 10, a guide hole 116 is opened in the middle of the moving plate 113, a suspension rod 117 is arranged at the bottom of the moving plate 113, a moving groove 118 is opened inside the drone body 1 and the medicine storage box 2, a support frame 119 is connected to the bottom of the suspension rod 117, and a cleaning brush 1110 is arranged at the upper end of the support frame 119.

[0023] like Figure 1-4 As shown, the medicine storage box 2 is a hollow structure, the number of legs 3 is two groups and they are symmetrically distributed, the nozzle 4 is connected to the medicine storage box 2, and a water pump is provided between the medicine storage box 2 and the nozzle 4 for conveying pesticides, the number of nozzles 5 is several groups and they are distributed in an array, the discharge pipe 6 is connected to the medicine storage box 2, so as to facilitate the control of the discharge of pesticides and water after washing, the solenoid valve 7 is electrically connected to the control circuit board, the control circuit board is internally provided with a remote control module and a communication module, the number of support arms 8 is four groups and they are distributed in an array, the servo 9 is connected to the support arm 8 by bolts, and the output end of the servo 9 is fixedly connected to the fan blade 10, so as to facilitate the flight of the UAV body 1.

[0024] like Figure 1-4 As shown, the driving motor 111 is electrically connected to the control circuit board, the output end of the driving motor 111 is fixedly connected to the threaded rod 112, a bearing seat is provided at the connection between the threaded rod 112 and the drone body 1, the movable plate 113 is a rectangular structure, and the threaded hole 114 and the guide hole 116 both pass through the middle of the movable plate 113, thereby facilitating the movement of the movable plate 113.

[0025] like Figure 1-4 As shown, the threaded hole 114 is adapted to the threaded rod 112, the number of guide rods 115 is two groups and symmetrically distributed, the guide rods 115 are adapted to the guide holes 116, the suspension rod 117 is fixedly connected to the movable plate 113, the suspension rod 117 is adapted to the movable groove 118, the suspension rod 117 is fixedly connected to the support frame 119, the support frame 119 is fixedly connected to the cleaning brush 1110, the outer side of the cleaning brush 1110 is in contact with the inner wall of the medicine storage box 2, the number of limit switches 1111 is two groups and symmetrically distributed, the limit switch 1111 is electrically connected to the control circuit board, which is conducive to the cleaning brush 1110 to clean the inside of the medicine storage box 2 back and forth.

[0026] The working principle of the utility model is as follows: during the use of the device, the external remote controller is connected to the control circuit board, the steering gear 9 is started, the fan blades 10 are driven to rotate at high speed, the drone body 1 is taken off, the picture is photographed through the camera, the pesticide inside the medicine storage box 2 is transported to the inside of the nozzle 4 through the water pump, and sprayed through the nozzle 5. After the pesticide spraying is completed, water is injected into the inside of the medicine storage box 2, and it is automatically cleaned through the cleaning component 11.

[0027] It should be noted that, through the setting of the cleaning component 11, when the inner wall of the medicine storage box 2 is cleaned, the output end of the driving motor 111 drives the threaded rod 112 to rotate along the inside of the threaded hole 114, so that the movable plate 113 moves, and at the same time drives the guide hole 116 to slide along the outside of the guide rod 115, the suspension rod 117 to slide along the inside of the movable groove 118, and the support frame 119 drives the cleaning brush 1110 to clean along the inner side of the medicine storage box 2 until the movable plate 113 contacts a group of limit switches 1111, and feedback is given to the control circuit board, thereby controlling the output end of the driving motor 111 to reverse, and further driving the cleaning brush 1110 to reversely clean along the inner wall of the medicine storage box 2, repeatedly cleaning, and finally opening the discharge pipe 6 to discharge the cleaned water. The cleaning can be repeated several times, so there is no need to disassemble the medicine storage box 2 for cleaning, ensuring that the subsequent liquid medicine will not be mixed for the second time, ensuring the efficacy of the pesticide, and thus improving its practicality.

[0028] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A pesticide spraying device for an agricultural drone, comprising a drone body (1), characterized in that: A medicine storage box (2) is arranged at the bottom of the drone body (1), a support leg (3), a nozzle (4) and a discharge pipe (6) are arranged on the outside of the medicine storage box (2), a nozzle (5) is arranged at the bottom of the nozzle (4), a solenoid valve (7) is arranged on the outside of the discharge pipe (6), a support arm (8) and a camera are arranged on the outside of the drone body (1), a steering gear (9) is installed at the upper end of the support arm (8), and a fan blade (10) is connected to the output end of the steering gear (9), and a cleaning component (11), a control circuit board and a battery are arranged inside the drone body (1); The cleaning component (11) comprises a driving motor (111), the output end of the driving motor (111) is connected to a threaded rod (112), a movable plate (113) and a limit switch (1111) are arranged inside the drone body (1), a threaded hole (114) is provided in the middle of the movable plate (113), a guide rod (115) is arranged inside the fan blade (10), a guide hole (116) is provided in the middle of the movable plate (113), a suspension rod (117) is arranged at the bottom of the movable plate (113), a movable groove (118) is provided inside the drone body (1) and the medicine storage box (2), a support frame (119) is connected to the bottom of the suspension rod (117), and a cleaning brush (1110) is arranged at the upper end of the support frame (119).

2. The pesticide spraying device of an agricultural drone according to claim 1, characterized in that: The medicine storage box (2) is a hollow structure, the number of the legs (3) is two groups and they are symmetrically distributed, the nozzle (4) is connected to the medicine storage box (2), and a water pump is provided between the medicine storage box (2) and the nozzle (4), the number of the nozzles (5) is several groups and they are distributed in an array, and the discharge pipe (6) is connected to the medicine storage box (2).

3. The pesticide spraying device of an agricultural drone according to claim 1, characterized in that: The solenoid valve (7) is electrically connected to the control circuit board, a remote control module and a communication module are arranged inside the control circuit board, the support arms (8) are four in number and distributed in an array, the steering gear (9) is connected to the support arm (8) by bolts, and the output end of the steering gear (9) is fixedly connected to the fan blade (10).

4. The pesticide spraying device of an agricultural drone according to claim 1, characterized in that: The drive motor (111) is electrically connected to the control circuit board, the output end of the drive motor (111) is fixedly connected to the threaded rod (112), a bearing seat is provided at the connection between the threaded rod (112) and the drone body (1), the movable plate (113) is a rectangular structure, and the threaded hole (114) and the guide hole (116) both penetrate the middle of the movable plate (113).

5. The pesticide spraying device of an agricultural drone according to claim 1, characterized in that: The threaded holes (114) are matched with the threaded rods (112), the guide rods (115) are provided in two groups and are symmetrically distributed, the guide rods (115) are matched with the guide holes (116), and the suspension rods (117) are fixedly connected with the movable plate (113).

6. The pesticide spraying device of an agricultural drone according to claim 1, characterized in that: The suspension rod (117) is adapted to the movable groove (118), the suspension rod (117) is fixedly connected to the support frame (119), the support frame (119) is fixedly connected to the cleaning brush (1110), the outer side of the cleaning brush (1110) is in contact with the inner wall of the medicine storage box (2), the limit switches (1111) are provided in two groups and are symmetrically distributed, and the limit switches (1111) are electrically connected to the control circuit board.

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