Atomization pesticide spraying unmanned aerial vehicle capable of controlling pesticide spraying range

Abstract

The invention discloses an atomization pesticide spraying unmanned aerial vehicle capable of controlling the pesticide spraying range, and relates to the technical field of pesticide spraying unmanned aerial vehicles. An electric push rod is connected to the bottom of the first rotating shaft, a clamping shaft and a third bevel gear are connected to the bottom of the electric push rod, a fourth bevel gear is engaged to the bottom of the third bevel gear, piston cylinders are arranged at the left and right ends of the fourth bevel gear, sprayers are connected to the outer ends of the piston cylinders, and the sprayers are connected with a corrugated liquid inlet pipe and a corrugated air inlet pipe; a lead screw is arranged in the piston cylinder, the sealing piston is attached to the interior of the piston cylinder, and a piston rod is attached to the interior of the piston cylinder. An electric push rod is engaged with a clamping shaft, so that a driving motor can drive a third bevel gear to rotate through a first rotating shaft, the third bevel gear drives a fourth bevel gear and a screw rod to rotate, and the screw rod drives a sealing piston to move in a piston cylinder, so that the air pressure in the piston cylinder is adjusted; the sealing piston controls the piston rod to move, so that the piston rod can drive the sprayer to move.

Description

Technical Field

[0001] The invention relates to the technical field of spraying drones, and in particular to an atomizing spraying drone with a controllable spraying range. Background Art

[0002] In modern times, drones are increasingly used to assist farmland. Spraying pesticides or other liquid medicines on the fields through drones can make agricultural production more efficient. However, existing atomizing spraying drones have some shortcomings, such as: Publication No.: CN115649450B is a spraying drone with adjustable spraying range. The device can effectively change the spraying range of the nozzle by setting two inner and outer ring nozzle arrays and switching different nozzle array operations through a switching mechanism. Since there is no need to set a complex connecting rod structure, the spraying drone is lightweight and low in cost. However, in actual use, it is difficult to adjust the position of the nozzle during the flight of the drone, so it is difficult to control the spraying range, which makes the device difficult to adjust when in use; Therefore, we proposed an atomizing spraying drone with controllable spraying range to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide an atomizing spraying drone with a controllable spraying range, so as to solve the problem raised in the above background technology that most spraying drones on the market are difficult to adjust the position of the nozzle during the flight of the drone, and thus it is difficult to control the spraying range, which makes the device difficult to adjust when in use.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an atomizing spraying drone with a controllable spraying range, comprising a drone body, a device box connected to the drone body, and a sprayer; a connecting frame is provided on the top of the drone body, and a flight fan blade is connected to the top of the connecting frame, the bottom of the drone body is fixedly connected to the device box, and a driving motor and a liquid medicine tank are connected inside the device box, and a first sprocket is connected to the bottom of the driving motor, a chain is meshed on the outside of the first sprocket, and a second sprocket is meshed at the rear end of the chain, and a stirring shaft is connected to the bottom of the second sprocket, and the stirring shaft is located inside the liquid medicine tank, and a protective rod is connected to the bottom of the device box; A first rotating shaft is connected to the bottom of the driving motor, and a first bevel gear is connected to the outside of the first rotating shaft, and a group of second bevel gears are meshed at both ends of the first bevel gear, a second rotating shaft is connected to the outside of the second bevel gear, and a first peristaltic pump rod and a second peristaltic pump rod are meshed at the outside of the second rotating shaft, and a liquid inlet peristaltic pump is provided on the outside of the first peristaltic pump rod, a corrugated liquid inlet pipe is provided inside the liquid inlet peristaltic pump, and the rear end of the corrugated liquid inlet pipe is connected to the liquid medicine tank, and an air intake peristaltic pump is provided on the outside of the second peristaltic pump rod, a corrugated air inlet pipe is provided inside the air intake peristaltic pump, and a filter is connected to the rear end of the corrugated air inlet pipe; An electric push rod is connected to the bottom of the first rotating shaft, and a clamping shaft is connected to the bottom of the electric push rod, and a third bevel gear is provided at the bottom of the clamping shaft, and a fourth bevel gear is meshed at the bottom of the third bevel gear, and a dense piston cylinder is provided at both ends of the fourth bevel gear, and a sprayer is connected to the outer end of the piston cylinder, and the sprayer is connected to the corrugated liquid inlet pipe and the corrugated air inlet pipe; A screw rod is provided inside the piston cylinder, and the screw rod is connected to the fourth bevel gear, and a sealing piston is meshed on the outside of the screw rod, and the sealing piston is fitted to the inside of the piston cylinder, and a piston rod is fitted to the inside of the piston cylinder, and there is a gap between the piston rod and the sealing piston, and the piston cylinder is connected to the sprayer through the piston rod.

[0005] By engaging the electric push rod with the engaging shaft, the driving motor can drive the third bevel gear to rotate through the first rotating shaft, so that the third bevel gear drives the fourth bevel gear and the lead screw to rotate, so that the lead screw drives the sealing piston to move inside the piston cylinder, thereby adjusting the air pressure inside the piston cylinder, so that the sealing piston controls the movement of the piston rod, so that the piston rod can drive the sprayer to move, so that the UAV can freely adjust the position of the sprayer during flight, so as to better carry out the spraying work.

[0006] As a preferred technical solution of the present invention, a circuit integrator is provided inside the drone body, and the drone body is connected to the flight fan blade circuit via the circuit integrator.

[0007] The adoption of the above technical solution enables the drone body to be controlled through the circuit integrator when it is connected to various components through circuits, thereby increasing the controllability of the device.

[0008] As a preferred technical solution of the present invention, a signal receiver is provided on the top of the drone body, and the signal receiver is associated with the circuit integrator and the drive motor.

[0009] The adoption of the above technical solution enables the drone to receive signals through the signal receiver when being remotely controlled, thereby enabling the user to better control it.

[0010] As a preferred technical solution of the present invention, the liquid inlet peristaltic pump fixes the corrugated liquid inlet tube, and the air inlet peristaltic pump fixes the corrugated air inlet tube, and the liquid inlet peristaltic pump and the air inlet peristaltic pump are fixed inside the device box, and the corrugated liquid inlet tube and the corrugated air inlet tube are suspended hose structures.

[0011] The adoption of the above technical solution can make the device more secure when fixing the corrugated liquid inlet pipe and the corrugated air inlet pipe, thereby increasing the firmness of the device.

[0012] As a preferred technical solution of the present invention, an air inlet is provided at the rear end of the filter, the filter is fixedly connected to the device box, and a graphite filter layer is provided inside the filter.

[0013] The above technical solution enables the corrugated air intake pipe to filter external gas through the graphite filter layer when it is operated to take in air from the filter under the extrusion of the air intake peristaltic pump, thereby avoiding a large amount of impurities in the gas and increasing the filtering performance of the device.

[0014] As a preferred technical solution of the present invention, a fixing bolt is provided at the bottom of the drone body, and the drone body is fixedly connected to the device box through the fixing bolt.

[0015] The adoption of the above technical solution can make the drone body more stable when connected to the device box, thereby increasing the convenience of the device during installation or disassembly and increasing the firmness of the device during use.

[0016] As a preferred technical solution of the present invention, a slide groove is provided inside the protection rod, and the inner side of the protection rod is slidably connected to the sprayer.

[0017] The above technical solution enables the sprayer to be limited in position by the inside of the protective rod when the sprayer is moving, so that the sprayer can be more stable when moving.

[0018] As a preferred technical solution of the present invention, a set of fixing frames are respectively provided on the left and right sides of the device box, and the device box is fixedly connected to the protection rod through the fixing frames.

[0019] The adoption of the above technical solution enables the device box to be fixed by the fixing frame when fixing the protection rod, thereby making the device more secure.

[0020] As a preferred technical solution of the present invention, a group of bases are connected to the front and rear ends of the device box, and the bottom of the base is lower than the sprayer.

[0021] The above technical solution enables the UAV to land through the base during landing, thereby avoiding the problem of the sprayer contacting the ground and causing damage.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows: by making the electric push rod mesh with the engaging shaft, the driving motor can drive the third bevel gear to rotate through the first rotating shaft, so that the third bevel gear drives the fourth bevel gear and the screw rod to rotate, so that the screw rod drives the sealing piston to move inside the piston cylinder, thereby adjusting the air pressure inside the piston cylinder, so that the sealing piston controls the piston rod to move, so that the piston rod can drive the sprayer to move, so that the UAV can also freely adjust the position of the sprayer during flight, so as to better perform the spraying work; Furthermore, by setting the fixing bolts, the drone body can be more stable when connected to the device box, thereby increasing the convenience of the device during installation or removal, and increasing the firmness of the device during use; Furthermore, by arranging a graphite filter layer inside the filter, when the corrugated air inlet pipe takes in air from the filter under the extrusion of the air intake peristaltic pump, the external gas can be filtered through the graphite filter layer, thereby avoiding a large amount of impurities in the gas and increasing the filtering performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the elevation structure of the present invention; Figure 2 It is a schematic cross-sectional structural diagram of the drone body of the present invention; Figure 3 It is a cross-sectional structural schematic diagram of the device box of the present invention; Figure 4 It is a schematic diagram of the meshing elevation structure of the first sprocket and the chain of the present invention; Figure 5 It is a schematic diagram of the top elevation structure of the device box of the present invention; Figure 6 It is a schematic diagram of the layered elevation structure of the liquid inlet peristaltic pump and the air inlet peristaltic pump of the present invention; Figure 7 It is a schematic diagram of the meshing elevation structure of the third bevel gear and the fourth bevel gear of the present invention; Figure 8 It is a schematic cross-sectional structural diagram of the piston cylinder of the present invention.

[0024] In the figure: 1, drone body; 2, device box; 3, connecting frame; 4, flight blades; 5, circuit integrator; 6, signal receiver; 7, drive motor; 8, first sprocket; 9, chain; 10, second sprocket; 11, stirring shaft; 12, liquid tank; 13, first rotating shaft; 14, first bevel gear; 15, second bevel gear; 16, second rotating shaft; 17, first peristaltic pump rod; 18, liquid inlet peristaltic pump; 19, Corrugated liquid inlet pipe; 20, second peristaltic pump rod; 21, air intake peristaltic pump; 22, corrugated air inlet pipe; 23, filter; 24, graphite filter layer; 25, electric push rod; 26, engaging shaft; 27, third bevel gear; 28, fourth bevel gear; 29, protective rod; 30, piston cylinder; 31, sprayer; 32, screw rod; 33, sealing piston; 34, piston rod; 35, fixing bolt; 36, fixing bracket; 37, base. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] In order to solve the problem that it is difficult to adjust the position of the spraying equipment during the spraying process in the prior art, the following solution is disclosed. Figure 1-8 The present invention provides a technical solution: an atomizing spraying drone with a controllable spraying range, comprising a drone body 1, a device box 2 connected to the drone body 1, and a sprayer 31; a connecting frame 3 is provided on the top of the drone body 1, and a flight fan blade 4 is connected to the top of the connecting frame 3, the bottom of the drone body 1 is fixedly connected to the device box 2, and a driving motor 7 and a liquid medicine tank 12 are connected inside the device box 2, and a first sprocket 8 is connected to the bottom of the driving motor 7, a chain 9 is meshed on the outside of the first sprocket 8, and a second sprocket 10 is meshed at the rear end of the chain 9, and a stirring shaft 11 is connected to the bottom of the second sprocket 10, and the stirring shaft 11 is located inside the liquid medicine tank 12, and a protective rod 29 is connected to the bottom of the device box 2; A first rotating shaft 13 is connected to the bottom of the driving motor 7, and a first bevel gear 14 is connected to the outside of the first rotating shaft 13, and a group of second bevel gears 15 are meshed at both ends of the first bevel gear 14, a second rotating shaft 16 is connected to the outside of the second bevel gear 15, and a first peristaltic pump rod 17 and a second peristaltic pump rod 20 are meshed at the outside of the second rotating shaft 16, and a liquid inlet peristaltic pump 18 is provided on the outside of the first peristaltic pump rod 17, a corrugated liquid inlet pipe 19 is provided inside the liquid inlet peristaltic pump 18, and the rear end of the corrugated liquid inlet pipe 19 is connected to the liquid medicine tank 12, and an air intake peristaltic pump 21 is provided on the outside of the second peristaltic pump rod 20, a corrugated air intake pipe 22 is provided inside the air intake peristaltic pump 21, and a filter 23 is connected to the rear end of the corrugated air intake pipe 22; An electric push rod 25 is connected to the bottom of the first rotating shaft 13, and a clamping shaft 26 is connected to the bottom of the electric push rod 25, and a third bevel gear 27 is provided at the bottom of the clamping shaft 26, and a fourth bevel gear 28 is meshed at the bottom of the third bevel gear 27, and a sealed piston cylinder 30 is provided at both left and right ends of the fourth bevel gear 28, and a sprayer 31 is connected to the outer end of the piston cylinder 30, and the sprayer 31 is connected to the corrugated liquid inlet pipe 19 and the corrugated air inlet pipe 22; A screw rod 32 is provided inside the piston cylinder 30, and the screw rod 32 is connected to the fourth bevel gear 28, and a sealing piston 33 is meshed on the outside of the screw rod 32, and the sealing piston 33 is fitted to the inside of the piston cylinder 30, and a piston rod 34 is fitted to the inside of the piston cylinder 30, and there is a gap between the piston rod 34 and the sealing piston 33, and the piston cylinder 30 is connected to the sprayer 31 through the piston rod 34; When using an atomizing spraying drone with a controllable spraying range, first start the drone body 1 so that the flight blades 4 drive the drone body 1 and the device box 2 to take off. When the drone travels to a designated position in the field, start the drive motor 7 so that the drive motor 7 drives the first sprocket 8 to rotate, so that the first sprocket 8 drives the second sprocket 10 to rotate through the chain 9, so that the second sprocket 10 drives the stirring shaft 11 to stir inside the liquid medicine tank 12, thereby preventing the liquid medicine from settling inside the liquid medicine tank 12. When the driving motor 7 drives the first sprocket 8 to rotate, the driving motor 7 will also drive the first rotating shaft 13 and the first bevel gear 14 to rotate, so that the first bevel gear 14 drives the second bevel gears 15 meshed on the left and right sides to rotate, so that the second bevel gear 15 drives the second rotating shaft 16, the first peristaltic pump rod 17 and the second peristaltic pump rod 20 to rotate, so that the first peristaltic pump rod 17 squeezes the corrugated liquid inlet pipe 19 fixed inside the liquid inlet peristaltic pump 18, so that the corrugated liquid inlet pipe 19 draws liquid from the liquid tank 12 and transmits it to the inside of the sprayer 31, and the second peristaltic pump rod 20 also squeezes the corrugated air inlet pipe 22 fixed inside the air inlet peristaltic pump 21, so that the corrugated air inlet pipe 22 performs air intake through the filter 23 and transmits it to the inside of the sprayer 31, so that the pressure inside the sprayer 31 increases, so that the liquid is atomized; When the sprayer 31 needs to be position-adjusted, the electric push rod 25 can be driven by the first rotating shaft 13 to engage with the engaging shaft 26, so that the driving motor 7 drives the third bevel gear 27 to rotate through the first rotating shaft 13, so that the third bevel gear 27 drives the fourth bevel gear 28 and the screw rod 32 to rotate, so that the screw rod 32 drives the sealing piston 33 inside the piston cylinder 30 to move. When the sealing piston 33 moves inside the piston cylinder 30, the pressure inside the piston cylinder 30 changes, so that the pressure inside the piston cylinder 30 pushes the piston rod 34 to move, so that the piston rod 34 drives the sprayer 31 to move; A circuit integrator 5 is provided inside the drone body 1, and the drone body 1 is connected to the flight blade 4 circuit through the circuit integrator 5; a signal receiver 6 is provided on the top of the drone body 1, and the signal receiver 6 is associated with the circuit integrator 5 and the drive motor 7; the liquid inlet peristaltic pump 18 fixes the corrugated liquid inlet pipe 19, and the air inlet peristaltic pump 21 fixes the corrugated air inlet pipe 22, and the liquid inlet peristaltic pump 18 and the air inlet peristaltic pump 21 are fixed inside the device box 2; an air inlet is provided at the rear end of the filter 23, and the filter 23 is fixedly connected to the device box 2, and a graphite filter layer 24 is provided inside the filter 23; A fixing bolt 35 is provided at the bottom of the drone body 1, and the drone body 1 is fixedly connected to the device box 2 through the fixing bolt 35; a slide groove is provided inside the protective rod 29, and the inner side of the protective rod 29 is slidably connected to the sprayer 31; a set of fixing frames 36 are provided on the left and right sides of the device box 2, and the device box 2 is fixedly connected to the protective rod 29 through the fixing frames 36; a set of bases 37 are connected to the front and rear ends of the device box 2, and the bottom of the base 37 is lower than the sprayer 31; When the drone body 1 is receiving signals, the signal can be received through the signal receiver 6, and when the user is connecting the drone body 1 and the circuit inside the device box 2, the power can be connected through the circuit integrator 5, so that the device can be better powered, and when filtering the gas inside the filter 23, the gas inside the filter 23 can be filtered through the graphite filter layer 24, and then transmitted to the inside of the corrugated air inlet pipe 22, and when the drone body 1 is fixedly connected to the device box 2, the bottom device box 2 can be fixed by the fixing bolts 35 arranged on the outside of the drone body 1.

[0027] Working principle: When using an atomizing spraying drone with a controllable spraying range, first start the drone body 1, so that the flight blades 4 drive the drone body 1 and the device box 2 to take off. When the drone drives to a designated position in the field, start the drive motor 7, so that the drive motor 7 drives the first sprocket 8 to rotate, so that the first sprocket 8 drives the second sprocket 10 to rotate through the chain 9, so that the second sprocket 10 drives the stirring shaft 11 to stir inside the liquid medicine tank 12, thereby preventing the liquid medicine from settling inside the liquid medicine tank 12; When the driving motor 7 drives the first sprocket 8 to rotate, the driving motor 7 will also drive the first rotating shaft 13 and the first bevel gear 14 to rotate, so that the first bevel gear 14 drives the second bevel gears 15 meshed on the left and right sides to rotate, so that the second bevel gear 15 drives the second rotating shaft 16, the first peristaltic pump rod 17 and the second peristaltic pump rod 20 to rotate, so that the first peristaltic pump rod 17 squeezes the corrugated liquid inlet pipe 19 fixed inside the liquid inlet peristaltic pump 18, so that the corrugated liquid inlet pipe 19 draws liquid from the liquid tank 12 and transmits it to the inside of the sprayer 31, and the second peristaltic pump rod 20 also squeezes the corrugated air inlet pipe 22 fixed inside the air inlet peristaltic pump 21, so that the corrugated air inlet pipe 22 performs air intake through the filter 23 and transmits it to the inside of the sprayer 31, so that the pressure inside the sprayer 31 increases, so that the liquid is atomized; When the sprayer 31 needs to be position-adjusted, the electric push rod 25 can be driven by the first rotating shaft 13 to engage with the engaging shaft 26, so that the driving motor 7 drives the third bevel gear 27 to rotate through the first rotating shaft 13, so that the third bevel gear 27 drives the fourth bevel gear 28 and the screw rod 32 to rotate, so that the screw rod 32 drives the sealing piston 33 inside the piston cylinder 30 to move. When the sealing piston 33 moves inside the piston cylinder 30, the pressure inside the piston cylinder 30 changes, so that the pressure inside the piston cylinder 30 pushes the piston rod 34 to move, so that the piston rod 34 drives the sprayer 31 to move; When the drone body 1 is receiving signals, the signal can be received through the signal receiver 6, and when the user is connecting the drone body 1 and the circuit inside the device box 2, the power can be connected through the circuit integrator 5, so that the device can be better powered, and when filtering the gas inside the filter 23, the gas inside the filter 23 can be filtered through the graphite filter layer 24, and then transmitted to the inside of the corrugated air inlet pipe 22, and when the drone body 1 is fixedly connected to the device box 2, the bottom device box 2 can be fixed by the fixing bolts 35 arranged on the outside of the drone body 1.

[0028] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0029] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An atomizing spraying drone with a controllable spraying range, comprising a drone body (1), a device box (2) connected to the drone body (1), and a sprayer (31); characterized in that: The top of the drone body (1) is provided with a connecting frame (3), and the top of the connecting frame (3) is connected to a flying fan blade (4), the bottom of the drone body (1) is fixedly connected to the device box (2), and the inside of the device box (2) is connected to a driving motor (7) and a liquid medicine tank (12), and the bottom of the driving motor (7) is connected to a first sprocket (8), the outer side of the first sprocket (8) is meshed with a chain (9), and the rear end of the chain (9) is meshed with a second sprocket (10), and the bottom of the second sprocket (10) is connected to a stirring shaft (11), and the stirring shaft (11) is located inside the liquid medicine tank (12), and the bottom of the device box (2) is connected to a protective rod (29); The bottom of the driving motor (7) is connected to a first rotating shaft (13), and a first bevel gear (14) is connected to the outside of the first rotating shaft (13), and a group of second bevel gears (15) are meshed at both left and right ends of the first bevel gear (14), and a second rotating shaft (16) is connected to the outside of the second bevel gear (15), and a first peristaltic pump rod (17) and a second peristaltic pump rod (20) are meshed on the outside of the second rotating shaft (16), and a liquid inlet peristaltic pump (18) is provided on the outside of the first peristaltic pump rod (17), and a corrugated liquid inlet pipe (19) is provided inside the liquid inlet peristaltic pump (18), and the rear end of the corrugated liquid inlet pipe (19) is connected to the liquid medicine tank (12), and an air inlet peristaltic pump (21) is provided on the outside of the second peristaltic pump rod (20), and a corrugated air inlet pipe (22) is provided inside the air inlet peristaltic pump (21), and a filter (23) is connected to the rear end of the corrugated air inlet pipe (22); The bottom of the first rotating shaft (13) is connected to an electric push rod (25), and the bottom of the electric push rod (25) is connected to a clamping shaft (26), and a third bevel gear (27) is provided at the bottom of the clamping shaft (26), and a fourth bevel gear (28) is meshed at the bottom of the third bevel gear (27), and a sealed piston cylinder (30) is provided at both left and right ends of the fourth bevel gear (28), and a sprayer (31) is connected to the outer end of the piston cylinder (30), and the sprayer (31) is connected to the corrugated liquid inlet pipe (19) and the corrugated air inlet pipe (22); A screw rod (32) is provided inside the piston cylinder (30), and the screw rod (32) is connected to the fourth bevel gear (28), and a sealing piston (33) is meshed on the outside of the screw rod (32), and the sealing piston (33) is fitted to the inside of the piston cylinder (30), and a piston rod (34) is fitted to the inside of the piston cylinder (30), and there is a gap between the piston rod (34) and the sealing piston (33), and the piston cylinder (30) is connected to the sprayer (31) via the piston rod (34).

2. The atomizing spraying drone with controllable spraying range according to claim 1 is characterized in that: A circuit integrator (5) is provided inside the drone body (1), and the drone body (1) is connected to the flight blade (4) circuit via the circuit integrator (5).

3. The atomizing spraying drone with controllable spraying range according to claim 2 is characterized in that: A signal receiver (6) is provided on the top of the drone body (1), and the signal receiver (6) is associated with the circuit integrator (5) and the drive motor (7).

4. The atomizing spraying drone with controllable spraying range according to claim 1, characterized in that: The liquid inlet peristaltic pump (18) fixes the corrugated liquid inlet tube (19), and the air inlet peristaltic pump (21) fixes the corrugated air inlet tube (22), and the liquid inlet peristaltic pump (18) and the air inlet peristaltic pump (21) are fixed inside the device box (2).

5. The atomizing spraying drone with controllable spraying range according to claim 1, characterized in that: An air inlet is provided at the rear end of the filter (23), the filter (23) is fixedly connected to the device box (2), and a graphite filter layer (24) is provided inside the filter (23).

6. The atomizing spraying drone with controllable spraying range according to claim 3, characterized in that: A fixing bolt (35) is provided at the bottom of the drone body (1), and the drone body (1) is fixedly connected to the device box (2) via the fixing bolt (35).

7. The atomizing spraying drone with controllable spraying range according to claim 1, characterized in that: A sliding groove is provided inside the protection rod (29), and the inner side of the protection rod (29) is slidably connected to the sprayer (31).

8. The atomizing spraying drone with controllable spraying range according to claim 6, characterized in that: A set of fixing frames (36) are respectively provided on the left and right sides of the device box (2), and the device box (2) is fixedly connected to the protection rod (29) via the fixing frames (36).

9. The atomizing spraying drone with controllable spraying range according to claim 7, characterized in that: The device box (2) is connected to a set of bases (37) at both the front and rear ends, and the bottom of the base (37) is lower than the sprayer (31).

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