CN216581035U - Air-assisted pesticide spraying device based on unmanned aerial vehicle - Google Patents
Air-assisted pesticide spraying device based on unmanned aerial vehicle Download PDFInfo
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- CN216581035U CN216581035U CN202220405785.0U CN202220405785U CN216581035U CN 216581035 U CN216581035 U CN 216581035U CN 202220405785 U CN202220405785 U CN 202220405785U CN 216581035 U CN216581035 U CN 216581035U
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Abstract
The utility model discloses an air-assisted pesticide spraying device based on unmanned aerial vehicle, which is characterized in that an air duct and a fluid director are additionally arranged below a rotor wing of the unmanned aerial vehicle, so that the generated lower washing air flow forms air-assisted air flow at a pesticide spray head, the motion trail of fog drops is restrained, and the pesticide spraying targeting is accelerated; the unmanned aerial vehicle is matched with the pan-tilt camera and the liquid storage tank, so that the unmanned aerial vehicle has real-time monitoring and pesticide stirring functions; the air duct support consists of a double-spring damping sheet and a universal coupling, and has the advantages of shock resistance and inclination resistance. The utility model discloses it is convenient to administer medicine, and the off-target rate is low, and practical value is high, the stable performance, and application scope is wide.
Description
Technical Field
The utility model relates to a pesticide sprays technical field, in particular to air-assisted pesticide sprinkler based on unmanned aerial vehicle.
Background
Grain crops are threatened by plant diseases and insect pests frequently in the planting and growing processes, so that the yield of the grain crops is reduced, and even the grains are not harvested. In order to ensure the grain yield, people begin to select pesticides for disease and pest control, but when large-scale plant protection machinery is used for manual pesticide spraying, the spraying is not only influenced by the limitation of plant topography, but also poisoning incidents of agricultural pesticide application personnel easily occur, so that more advanced technology is urgently needed to replace manual machinery spraying.
Unmanned aerial vehicle flexibility is high, does not receive the influence of topography factor to have certain load capacity, can effectively replace the artifical machinery to spray, in recent years, more and more grain producing areas take agricultural unmanned aerial vehicle to carry sprinkler, then carry out the mode that the pesticide sprayed and prevent and control the sick worm to the farmland. However, with the gradual expansion of the spraying operation range of the agricultural unmanned aerial vehicle, some defects and shortcomings of the spraying mode of the unmanned aerial vehicle are gradually exposed, wherein when the unmanned aerial vehicle is used for spraying operation, the unmanned aerial vehicle is easily influenced by cross flow formed by an external wind field, so that pesticide spraying drifts, the pesticide cannot be effectively deposited at a target area, and the miss rate is high; meanwhile, the wind field generated by the rotor wing of the unmanned aerial vehicle in the flying process can also lead grain crops to rock, so that the grain crops cannot be effectively applied with medicine. Therefore, the spraying drift condition of the unmanned aerial vehicle in pesticide spraying work is reduced, the off-target rate is reduced, and the method has important practical significance for improving the yield of food crops in China.
When the unmanned aerial vehicle is in a flying state, the rotor wing rotates to generate downward washing air flow, at the moment, an air guide cylinder and a fluid director are additionally arranged below the rotor wing of the unmanned aerial vehicle, the movement track of the downward washing air flow is restrained by the air guide cylinder and the fluid director, the flow velocity is changed, the air flow forms air delivery air flow at an air outlet, the movement track of fog drops is restrained, pesticide spraying targeting is accelerated, and the deposition rate is improved; meanwhile, the guide vanes are arranged in the air guide cylinder, so that the directional flow of air flow is facilitated, and the energy loss caused by turbulent flow is reduced. The method can reduce the influence of the downwash airflow on crops and effectively reduce the off-target rate of pesticide spraying.
Through screening the unmanned aerial vehicle gas collection device, related patents at present comprise a spraying system of a multi-rotor unmanned aerial vehicle (inventor: Chengdu Qi science and technology limited company, publication No. CN108271759A) and a spraying system of an agricultural plant protection unmanned aerial vehicle (inventor: Nanzhu cloud innovation science and technology limited company, publication No. CN 205409294U). Above-mentioned patent all does not consider the influence that the crossing current that external wind field formed spouts the medicine to unmanned aerial vehicle, leads to the consequence that pesticide spraying drifted, and receives the device restriction, and the function is more single.
Disclosure of Invention
In order to solve the problems, the utility model provides an air-assisted pesticide spraying device based on unmanned aerial vehicle, through install wind-guiding cylinder and divertor additional below the unmanned aerial vehicle rotor, make the downwash air current that it produced form the air-assisted gas flow in pesticide shower nozzle department, restraint the movement track of droplet, accelerate the pesticide to spray and target; the unmanned aerial vehicle is matched with the pan-tilt camera and the liquid storage tank, so that the unmanned aerial vehicle has real-time monitoring and pesticide stirring functions; the dryer support comprises two spring shock attenuation pieces and universal joint, can reduce the influence that unmanned aerial vehicle vibrations slope sprayed pesticide. The device not only reduces the influence of the lower washing airflow on crops, but also effectively reduces the off-target rate of pesticide spraying.
In order to realize the purpose, the miss ratio of pesticide spraying of the unmanned aerial vehicle is reduced. The utility model adopts the technical proposal that: the utility model provides a wind send formula pesticide sprinkler based on unmanned aerial vehicle, the device mainly includes unmanned aerial vehicle (1), liquid reserve tank (2), filling opening (3), closing cap (4), liquid outlet (5), filter screen (6), high-pressure pump (7), solid fixed ring (8), branch liquid pipe (9), support (10), pivot (11), agitator motor (12), stirring vane (13), air duct (14), water conservancy diversion piece (15), divertor (16), porous shower nozzle (17), inlet (18), two spring shock attenuation pieces (19), dryer support (20), universal joint (21), cloud platform camera (22) and ground station. By additionally arranging the air duct (14) and the air guider (16), the downwash air flow generated by the rotor wing of the unmanned aerial vehicle forms air delivery air flow at the pesticide spray head, the motion track of fog drops is restrained, and the miss rate of pesticide spraying is reduced.
Preferably, liquid reserve tank (2) have the stirring function, and its inside agitator motor (12) shell is made by waterproof material, installs on support (10) with pivot (11) fixed connection, two pairs of stirring vane (13) of dislocation about the collocation on pivot (11), pivot (11) are driven by agitator motor (12), drive stirring vane (13) through agitator motor (12) and rotate.
Preferably, the liquid outlet (5) is provided with a filter screen (6) to filter partial impurities in the pesticide and prevent the inside of the pipeline from being blocked.
Preferably, the high-pressure pump (7) is fixedly installed on the side face of the liquid storage tank (3), the inlet of the high-pressure pump (7) is communicated with the liquid outlet (5), the outlet of the high-pressure pump is communicated with the liquid distribution pipe (9), and the flow rate of the pesticide is controlled through the high-pressure pump (7).
Preferably, a fixing ring (8) is arranged on the liquid separating pipe (9), the fixing ring (8) can be in threaded connection with the three-way pipe, the liquid separating function is achieved, and therefore the pesticide is conveyed to the liquid inlet (7) through an external hose.
Preferably, dryer support (20) collocation two spring shock attenuation pieces (19) and universal joint (21), two spring shock attenuation pieces (19) pass through bolted connection with the unmanned aerial vehicle frame, and universal joint (21) and divertor (16) upper portion fixed connection reduce the influence that unmanned aerial vehicle vibrations slope sprayed pesticide.
Preferably, the air guide cylinder (14) consists of a conical section and a cylindrical section, 5 guide vanes (15) are assembled in the space between the air deflector (16) and the inner wall of the air guide cylinder (14), one side of each guide vane is welded on the outer wall of the air deflector (16), the other side of each guide vane is fixed on the inner wall of the air guide cylinder (14) of the cylindrical section through screws, the lower part of the air deflector (16) is provided with a porous spray head (17), and the upper part of the air deflector is provided with a liquid inlet (18) which is connected with an external hose.
Preferably, the unmanned aerial vehicle (1) is matched with the holder camera (22), so that the pesticide spraying state can be monitored in real time, and a spraying air route is planned through a ground station.
After adopting above-mentioned scheme, this air-assisted pesticide sprinkler based on unmanned aerial vehicle's beneficial effect is: the operation cost is low, the impact capability is strong, the operation is safe, and the operation is not limited by the growth vigor of crops; the influence of the lower washing air flow on crops is reduced, and the off-target rate of pesticide spraying is effectively reduced; the cloud deck camera is matched, so that the pesticide spraying state can be monitored in real time, and a pesticide spraying route is planned through the ground station; the pesticide spraying device has multiple applicable scenes and is suitable for pesticide spraying work of different grain crops in various regions.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the schematic diagram of the internal structure of the liquid storage tank of the present invention.
Fig. 3 is a schematic structural view of the spraying device of the present invention.
Fig. 4 is a schematic view of the air duct bracket of the present invention.
Wherein: the device comprises an unmanned aerial vehicle (1), a liquid storage tank (2), a liquid filling opening (3), a sealing cover (4), a liquid outlet (5), a filter screen (6), a high-pressure pump (7), a fixing ring (8), a liquid distribution pipe (9), a support (10), a rotating shaft (11), a stirring motor (12), a stirring blade (13), an air guide cylinder (14), a flow deflector (15), a flow guider (16), a porous spray head (17), an inlet (18), a double-spring damping sheet (19), an air guide cylinder support (20), a universal coupling (21) and a pan-tilt camera (22).
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them.
As shown in fig. 1-4, an air-assisted pesticide spraying device based on an unmanned aerial vehicle is provided, and the sampling work of the polluted gas is realized according to the following steps:
step 1: the liquid outlet (5) is connected with the liquid inlet (18) of each fluid director (16) by a hose. And opening the sealing cover (4), pouring the prepared pesticide into the liquid storage tank (2) from the liquid adding opening (3), and then starting the stirring motor (12) to stir and mix the pesticide.
Step 2: and (3) opening the unmanned aerial vehicle (1), connecting the unmanned aerial vehicle with the ground station, and automatically calibrating.
And step 3: and planning a pesticide spraying route according to the pesticide spraying requirement of crops at the ground station, setting parameters such as flight speed, a return point and the like, writing a planned route command into a flight controller, unlocking the unmanned aerial vehicle (1) and sending a flight command.
And 4, step 4: the pesticide spraying work is carried out according to the pesticide application route planned by the ground station in the unmanned aerial vehicle (1), the high-pressure pump (7) is opened, the flow velocity of pesticide liquid is controlled through the high-pressure pump (7) and is conveyed into the fluid director (16), the inside of the air guide cylinder (14) is influenced by downwash air flow generated by a rotor wing of the unmanned aerial vehicle to form air conveying air flow, and pesticide liquid drops sprayed out of the porous spray head (17) are influenced by the air conveying air flow to be rapidly deposited on a target area.
And 5: the cloud platform camera (22) carried by the unmanned aerial vehicle (1) is used for real-time monitoring, and the pesticide spraying condition can be observed on the display screen in real time.
Step 6: and after the pesticide application is finished, the high-pressure pump (7) is closed, and the unmanned aerial vehicle (1) returns according to the planned air route of the ground station.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution and the utility model, the concept of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a wind send formula pesticide sprinkler based on unmanned aerial vehicle, the device mainly includes unmanned aerial vehicle (1), liquid reserve tank (2), filling opening (3), closing cap (4), liquid outlet (5), filter screen (6), high-pressure pump (7), solid fixed ring (8), branch liquid pipe (9), support (10), pivot (11), agitator motor (12), stirring vane (13), air duct (14), water conservancy diversion piece (15), divertor (16), porous shower nozzle (17), inlet (18), two spring shock attenuation pieces (19), air duct support (20), universal joint (21), cloud platform camera (22) and ground station, its characterized in that: by additionally arranging the air duct (14) and the air guider (16), the downwash air flow generated by the rotor wing of the unmanned aerial vehicle forms air delivery air flow at the pesticide spray head, the motion track of fog drops is restrained, and the miss rate of pesticide spraying is reduced.
2. The air-assisted pesticide spraying device based on the unmanned aerial vehicle of claim 1, which is characterized in that: liquid reserve tank (2) have the stirring function, and its inside agitator motor (12) shell is made by waterproof material, installs on support (10) with pivot (11) fixed connection, two pairs of stirring vane (13) of dislocation about the collocation on pivot (11), pivot (11) are driven by agitator motor (12), drive stirring vane (13) through agitator motor (12) and rotate.
3. The air-assisted pesticide spraying device based on the unmanned aerial vehicle of claim 1, which is characterized in that: the liquid outlet (5) is provided with a filter screen (6) to filter partial impurities in the pesticide and prevent the blockage in the pipeline.
4. The air-assisted pesticide spraying device based on the unmanned aerial vehicle of claim 1, which is characterized in that: high-pressure pump (7) fixed mounting is in liquid reserve tank (2) side, and high-pressure pump (7) entry and liquid outlet (5) intercommunication, its export and branch liquid pipe (9) intercommunication, the size of the pesticide velocity of flow is controlled through high-pressure pump (7).
5. The air-assisted pesticide spraying device based on the unmanned aerial vehicle of claim 1, which is characterized in that: divide liquid pipe (9) to be equipped with solid fixed ring (8), gu fixed ring (8) can pass through threaded connection with the three-way pipe, realize dividing the liquid function to carry the pesticide to inlet (18) department through external hose.
6. The air-assisted pesticide spraying device based on the unmanned aerial vehicle of claim 1, which is characterized in that: air duct support (20) collocation two spring shock attenuation pieces (19) and universal joint (21), two spring shock attenuation pieces (19) pass through bolted connection with the unmanned aerial vehicle frame, and universal joint (21) and divertor (16) upper portion fixed connection reduce the influence that unmanned aerial vehicle vibrations slope sprayed pesticide.
7. The air-assisted pesticide spraying device based on the unmanned aerial vehicle of claim 1, which is characterized in that: the air guide cylinder (14) consists of a conical section and a cylindrical section, 5 guide vanes (15) are assembled in the space between the air deflector (16) and the inner wall of the air guide cylinder (14), one side of each guide vane is welded on the outer wall of the air deflector (16), the other side of each guide vane is fixed on the inner wall of the air guide cylinder (14) at the cylindrical section by screws, the lower part of the air deflector (16) is provided with a porous spray head (17), and the upper part of the air deflector is provided with a liquid inlet (18) which is connected with an external hose.
8. The air-assisted pesticide spraying device based on the unmanned aerial vehicle of claim 1, which is characterized in that: unmanned aerial vehicle (1) collocation cloud platform camera (22), but real time monitoring pesticide sprays the state to spout the medicine route through ground station planning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220405785.0U CN216581035U (en) | 2022-02-21 | 2022-02-21 | Air-assisted pesticide spraying device based on unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220405785.0U CN216581035U (en) | 2022-02-21 | 2022-02-21 | Air-assisted pesticide spraying device based on unmanned aerial vehicle |
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| CN216581035U true CN216581035U (en) | 2022-05-24 |
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| CN202220405785.0U Active CN216581035U (en) | 2022-02-21 | 2022-02-21 | Air-assisted pesticide spraying device based on unmanned aerial vehicle |
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Effective date of registration: 20230727 Address after: 256800 Road West, 300 meters south of the intersection of Hengye 1st Road and Fuyuan 1st Road, East Outer Ring Road, Zhanhua District, Binzhou, Shandong Province Patentee after: Yishidai Agricultural Technology Co.,Ltd. in Zhanhua District Binzhou City Address before: 310018 Room 308, 3 / F, No.5 standard workshop, zhongceyuan, No.1, No.8 street, Hangzhou Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee before: Zhejiang Liangda Intelligent Technology Co.,Ltd. |