A drone high-flow intelligent spraying system

Abstract

The present invention provides a large-flow intelligent spraying system for unmanned aerial vehicles, which relates to the field of unmanned aerial vehicles. The invention comprises an unmanned aerial vehicle main body and a spraying mechanism, which is arranged directly below the unmanned aerial vehicle main body. When the unmanned aerial vehicle main body takes off, the crops that need to be sprayed can be sprayed normally. The entire spraying mechanism is arranged on a medicine storage box. When the unmanned aerial vehicle is spraying, if the wind force in the external environment is normal, the entire medicine delivery pipe and the regulating sleeve can cooperate to spray the medicine in the medicine storage box normally. If the wind force in the external environment is strong, the wind force will blow the regulating sleeve to move. When the regulating sleeve moves, the aperture of the atomizing spray hole will increase, so that the sprayed droplets will become larger, and the drift amount of the sprayed medicine will be reduced. When the aperture of the atomizing spray hole becomes larger, the water volume regulating box will increase the water output under the action of the movement of the water outlet baffle, so as to ensure that the entire device can have sufficient water supply.

Description

Technical Field

[0001] The present invention relates to the field of unmanned aerial vehicles (UAVs), and in particular to a large-flow intelligent spraying system for UAVs. Background Art

[0002] Drones can be divided into military and civilian applications according to their application areas. In the military, drones are divided into reconnaissance drones and target drones. In the civilian application area, drones + industry applications are the real rigid demand for drones; their current applications in aerial photography, agriculture, plant protection, and other fields have greatly expanded the uses of drones themselves. Developed countries are also actively expanding industry applications and developing drone technology. Especially in the plant protection industry, drones spraying pesticides at high altitudes has the advantages of high efficiency and wide range compared to traditional manual spraying.

[0003] When drones are spraying crops at high altitudes, they are easily affected by the external environment. When the external wind is strong, the pesticides sprayed by the drones will drift. Once the pesticides drift, the amount of pesticides falling on the crops will be reduced, resulting in a poor insect repellent effect on the crops, affecting the growth of the crops. The spraying apertures of the nozzles of existing drone spraying mechanisms are generally fixed, and the diameter of the sprayed droplets is the same. They cannot be increased and adjusted accordingly according to the external environment, resulting in the sprayed pesticides being easily offset, affecting the spraying and insect repellent effect of the pesticides on crops.

[0004] How to invent a drone high-flow intelligent spraying system to improve these problems has become an urgent problem to be solved by technicians in this field. Summary of the invention

[0005] In order to make up for the above shortcomings, the present invention provides a large-flow intelligent spraying system for drones, which aims to improve the problem of drift that easily occurs when drones spray pesticides.

[0006] The present invention is achieved in that:

[0007] The present invention provides a large-flow intelligent spraying system for a drone, comprising a drone main body;

[0008] The spraying mechanism is arranged directly below the main body of the UAV. When the main body of the UAV takes off, the crops that need to be sprayed can be sprayed normally. The entire spraying mechanism is arranged on the medicine storage box.

[0009] The spraying amount regulating mechanism is arranged in the spraying mechanism. When the spraying mechanism is spraying normally, if the sprayed agent drifts due to the influence of wind, the spraying amount regulating mechanism will automatically adjust to increase the nozzle aperture of the spraying agent, so that the sprayed droplets become larger, and the drift of the agent is effectively slowed down. If the wind force is too strong, the spraying amount regulating mechanism will automatically block the spraying mechanism so that it will no longer spray outward, thereby reducing the loss of agent.

[0010] The water volume regulating mechanism is arranged in the spraying mechanism. When the spray volume regulating mechanism increases the nozzle aperture to make the sprayed droplets larger, the corresponding water volume regulating mechanism will also be adjusted to increase the water supply of the entire device to ensure the spraying effect.

[0011] By adopting the above technical solution and spraying the pesticide by atomization, crops can absorb the pesticide faster.

[0012] Preferably, the spraying system also includes take-off cantilevers arranged around the UAV body, and a plurality of take-off cantilevers are installed with take-off propellers. Take-off support feet are fixedly connected to both sides of the lower end outer wall of the UAV body, and the medicine storage box is arranged on the lower end outer wall of the UAV body. The medicine storage box is located between the two take-off support feet. Spraying pipes are connected to both sides of the medicine storage box, and a plurality of medicine delivery pipes are connected to the spraying pipes.

[0013] By adopting the above technical solution and setting up the medicine delivery pipe, the medicine in the liquid storage tank can be delivered.

[0014] Preferably, the spraying amount adjustment mechanism includes an adjustment sleeve slidably sleeved on the outer side wall of the drug delivery pipe, and the lower end of the drug delivery pipe is connected to a plurality of water outlet pipes, and the plurality of water outlet pipes are all located inside the adjustment sleeve.

[0015] By adopting the above technical solution and setting the water outlet pipe, the medicine can be quickly atomized and sprayed.

[0016] Preferably, the lower end of the adjusting sleeve is fixedly connected to an atomizing nozzle, and a plurality of atomizing injection holes corresponding to the water outlet pipe are arranged on the atomizing nozzle, and both sides of the inner wall of the atomizing injection hole are rotatably connected with aperture adjustment parts, and the outer wall of the aperture adjustment part is fixedly connected with a return spring, and the other end of the return spring is fixedly connected to the inner wall of the atomizing injection hole, and a blocking part is arranged at the bottom of the atomizing injection hole.

[0017] By adopting the above technical solution and setting the aperture adjustment member, it can be achieved that when in use, the entire spraying device can adjust the droplet size according to the size of the wind force.

[0018] Preferably, the water volume regulating mechanism comprises a water volume regulating box connected to the medicine delivery pipe, the inner wall of the water volume regulating box is slidably connected with a water outlet baffle, and both sides of the water outlet baffle penetrate to the outside of the water volume regulating box.

[0019] By adopting the above technical solution, the setting of the water volume regulating box can increase or decrease the water output during use.

[0020] Preferably, the right end of the water outlet baffle is fixedly connected to a limiting baffle, a plurality of contact springs are fixedly connected to the outer wall of the limiting baffle, and the ends of the plurality of contact springs are fixedly connected to the outer wall of the water volume regulating box.

[0021] By adopting the above technical solution and setting the contact spring, the entire limit baffle can be quickly returned to its original position when in use.

[0022] Preferably, water outlet holes are provided in the middle and on the left side of the water outlet baffle, the water outlet hole in the middle is located in the water volume regulating box, and a driving slider is installed at the left end of the water outlet baffle.

[0023] By adopting the above technical solution and setting the driving slider, the water outlet baffle can be moved.

[0024] Preferably, a driving member is fixedly connected to the outer wall of the adjusting sleeve, and the driving member is located directly below the driving slider. A compression spring is fixedly connected to the outer wall of the adjusting sleeve, and a windward plate is fixedly connected to the outer wall of the adjusting sleeve.

[0025] By adopting the above technical solution and setting the windward plate, the entire regulating sleeve can be moved with the wind force.

[0026] The beneficial effects of the present invention are:

[0027] When the drone is spraying, if the wind force in the external environment is normal, the entire agent delivery pipe and the regulating sleeve will cooperate to spray the agent in the medicine storage box normally. If the wind force in the external environment is strong, the wind force will blow the regulating sleeve to move. When the regulating sleeve moves, the atomizing spray hole will increase its aperture, making the sprayed droplets larger and reducing the drift of the sprayed agent. At the same time, the aperture of the atomizing spray hole becomes larger, and the water volume regulating box will increase the water output under the action of the movement of the water outlet baffle, ensuring that the entire device has sufficient water supply and can support the injection of droplets with larger apertures. If the wind force reaches a threshold and blows the regulating sleeve to move to the maximum extent, the blocking member will block the atomizing spray hole so that it will no longer spray the agent outward, thereby reducing losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1This is a schematic diagram of the structure of a UAV large-flow intelligent spraying system provided by an embodiment of the present invention;

[0030] Figure 2 It is a side structural schematic diagram of a UAV large-flow intelligent spraying system provided by an embodiment of the present invention;

[0031] Figure 3 This is a schematic diagram of the structure of a medicine delivery pipe in a large-flow intelligent spraying system of a drone provided by an embodiment of the present invention;

[0032] Figure 4 It is a schematic diagram of the local structure of a UAV large-flow intelligent spraying system provided by an embodiment of the present invention;

[0033] Figure 5 It is a schematic diagram of the planar structure of a medicine delivery pipe in a large-flow intelligent spraying system of a drone provided by an embodiment of the present invention;

[0034] Figure 6 It is a schematic diagram of the partial structure of a medicine delivery pipe in a large-flow intelligent spraying system of a drone provided by an embodiment of the present invention;

[0035] Figure 7 It is a schematic diagram of the water output change structure of an atomizing spray hole in a large-flow intelligent spraying system of an unmanned aerial vehicle provided in an embodiment of the present invention.

[0036] In the figure: 1. UAV body; 2. medicine delivery pipe; 101. take-off boom; 102. spray pipe; 103. take-off propeller; 104. take-off support foot; 105. medicine storage box; 201. adjustment sleeve; 202. atomizing nozzle; 203. windward plate; 204. extrusion spring; 205. water volume adjustment box; 206. water outlet baffle; 207. contact spring; 208. driving member; 209. driving slider; 210. water outlet hole; 211. water outlet pipe; 212. atomizing injection hole; 213. blocking member; 214. aperture adjustment member; 215. reset spring. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] Example

[0039] Reference Figure 1-5, a large-flow intelligent spraying system for unmanned aerial vehicles, comprising an unmanned aerial vehicle body 1, a spraying mechanism, which is arranged directly below the unmanned aerial vehicle body 1, and when the unmanned aerial vehicle body 1 takes off, the crops that need to be sprayed can be sprayed normally, and the entire spraying mechanism is arranged on a medicine storage box 105, and the spraying system also includes a take-off boom 101 arranged around the unmanned aerial vehicle body 1, and multiple take-off booms 101 are installed with take-off propellers 103, and both sides of the lower end outer wall of the unmanned aerial vehicle body 1 are fixedly connected with take-off support feet 104, and the medicine storage box 105 is arranged on the lower end outer wall of the unmanned aerial vehicle body 1, and the medicine storage box 105 is located between the two take-off support feet 104, and both sides of the medicine storage box 105 are connected with spray pipes 102, and the spray pipes 102 are connected with multiple drug delivery pipes 2;

[0040] The spraying amount regulating mechanism is arranged in the spraying mechanism. When the spraying mechanism is spraying normally, if the sprayed medicine drifts due to the influence of wind force, the spraying amount regulating mechanism will automatically adjust to increase the nozzle aperture of the spraying medicine, so that the sprayed droplets become larger, and the drift of the medicine is effectively slowed down. If the wind force is too strong, the spraying amount regulating mechanism will automatically block the spraying mechanism so that it will not spray outward, reducing the loss of medicine. The spraying amount regulating mechanism includes an adjusting sleeve 201 which is slidably sleeved on the outer wall of the medicine delivery pipe 2, and the lower end of the adjusting sleeve 201 is fixedly connected with an atomizing spray nozzle. Head 202, the atomizing nozzle 202 is provided with a plurality of atomizing injection holes 212 corresponding to the water outlet pipe 211, both sides of the inner wall of the atomizing injection hole 212 are rotatably connected with aperture adjustment members 214, the outer wall of the aperture adjustment member 214 is fixedly connected with a return spring 215, the other end of the return spring 215 is fixedly connected to the inner wall of the atomizing injection hole 212, a blocking member 213 is provided at the bottom of the atomizing injection hole 212, and the lower end of the drug delivery tube 2 is connected with a plurality of water outlet pipes 211, and the plurality of water outlet pipes 211 are all located inside the adjusting sleeve 201.

[0041] It should be noted that the water outlet pipe 211 is normally located above the atomizing spray hole 212 .

[0042] Reference Figure 3-7 , a water volume regulating mechanism is arranged in the spraying mechanism. When the spray volume regulating mechanism increases the nozzle aperture to make the sprayed droplets larger, the corresponding water volume regulating mechanism will also be adjusted to increase the water supply of the entire device to ensure the spraying effect. A driving member 208 is fixedly connected to the outer wall of the regulating sleeve 201. The driving member 208 is located directly below the driving slider 209. An extrusion spring 204 is fixedly connected to the outer wall of the regulating sleeve 201. A windward plate 203 is fixedly connected to the outer wall of the regulating sleeve 201. The water volume regulating mechanism includes a water volume regulating box 205 connected to the medicine delivery pipe 2;

[0043] The inner wall of the water volume regulating box 205 is slidably connected with a water outlet baffle 206, and water outlet holes 210 are opened in the middle and left sides of the water outlet baffle 206. The middle water outlet hole 210 is located in the water volume regulating box 205, and a driving slider 209 is installed at the left end of the water outlet baffle 206. The right end of the water outlet baffle 206 is fixedly connected to a limiting baffle, and a plurality of contact springs 207 are fixedly connected to the outer wall of the limiting baffle. The ends of the plurality of contact springs 207 are fixedly connected to the outer wall of the water volume regulating box 205, and both sides of the water outlet baffle 206 penetrate to the outside of the water volume regulating box 205.

[0044] It should be noted that the medicine input into the water volume regulating box 205 through the medicine delivery pipe 2 will be delivered from two water outlets 210 instead of one water outlet 210, so that the delivery amount of the medicine becomes larger, ensuring that larger spray droplets can have a larger drug delivery amount.

[0045] The working principle of this drone high-flow intelligent spraying system:

[0046] When the drone is spraying normally, the operator can remotely open the drone body 1 and let the take-off propeller 103 rotate at high speed to make the entire drone body 1 take off. When it reaches a suitable height, the operator can open the micro suction pump built into the medicine storage box 105 to draw the medicine in the medicine storage box 105 into the spray pipe 102, and flow into the medicine delivery pipe 2 through the diversion of the spray pipe 102. The corresponding medicine will flow into the water outlet pipe 211 through the water outlet hole 210 in the water volume regulating box 205. It should be noted that since the water outlet hole 210 in the water volume regulating box 205 is smaller than the aperture in the medicine delivery pipe 2, the impact of the medicine going out through the water outlet hole 210 will become greater. At this time, the medicine with increased impact will rush into the atomizing injection hole 212 through the water outlet pipe 211, and through the obstruction of the two aperture adjusting parts 214 in the normal state, the medicine will be atomized and sprayed out in smaller droplets. The droplets are smaller and the spray The medicine sprayed out will be more easily absorbed by the plants, but the smaller the droplets, the lighter the gravity effect. At this time, if the wind force in the external environment is strong, the medicine droplets will be blown to drift, so that the amount of medicine falling on the plants will be reduced. The stronger wind force will blow the adjusting sleeve 201 upward through the windward plate 203. As the adjusting sleeve 201 moves upward, it will also drive the atomizing nozzle 202 to move upward together. The water outlet pipe 211 originally located at the upper end of the atomizing injection hole 212 will slowly push open the aperture adjustment member 214. As the aperture adjustment member 214 is slowly pushed open, the size of the medicine droplets sprayed out from the atomizing injection hole 212 will become larger and larger. The larger size of the droplets will be less affected by the wind drift due to the heavier gravity, which can ensure that the sprayed medicine can fall on the plants to the greatest extent. While reducing the drift amount and saving medicine, it can also ensure that the plants can absorb the medicine normally even on windy days.

[0047] When the atomizing nozzle 202 moves upward to allow the water outlet pipe 211 to push open the aperture adjustment member 214, thereby increasing the size of the spray droplets, the driving member 208 will also move upward to contact the driving slider 209, and along with the inclined edge of the driving slider 209, the water outlet baffle 206 will be pushed to the right, and the water outlet hole 210 originally located outside the driving member 208 will be pushed into the water volume regulating box 205. At this time, the medicine input from the medicine delivery pipe 2 to the water volume regulating box 205 will be delivered from the original one water outlet hole 210 to two water outlet holes 210 together, so that the delivery amount of the medicine amount becomes larger, ensuring that larger spray droplets can have a larger delivery amount to ensure. If the wind force in the external environment is too strong and normal spraying cannot be carried out, the larger wind force will pass through the windward plate 203 to The adjustment sleeve 201 is blown upward to the maximum extent, and the atomizing injection hole 212 in the atomizing nozzle 202 will move upward until the blocking member 213 at the bottom of the atomizing injection hole 212 contacts the bottom of the water outlet pipe 211. Since the blocking member 213 has the same diameter as the water spray hole at the bottom of the water outlet pipe 211, the blocking member 213 will block the water outlet of the water outlet pipe 211, so that the water outlet pipe 211 will no longer spray water outward, ensuring that when the UAV is spraying in strong wind weather, once the wind force reaches a threshold, the blocking member will block the atomizing injection hole, so that it will no longer spray medicine outward, reducing the loss of medicine while ensuring the flight safety of the UAV to the greatest extent. When the spraying stops, the operator can remotely close the micro suction pump in the medicine storage box 105 to allow the entire UAV to return.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A drone high-flow intelligent spraying system, comprising a drone body (1), characterized in that: Also includes: A spraying mechanism is arranged directly below the drone body (1), and includes a medicine storage box (105). When the drone body (1) takes off, normal spraying is performed on the crops that need to be sprayed; The spraying amount adjustment mechanism is arranged in the spraying mechanism. When the spraying mechanism is spraying normally, if the sprayed medicine drifts due to the influence of wind, the spraying amount adjustment mechanism will automatically adjust to increase the nozzle aperture of the spraying medicine so that the sprayed droplets become larger. If the wind force is too strong, the spraying amount adjustment mechanism will automatically block the spraying mechanism so that it will not spray outward. The water volume regulating mechanism is arranged in the spraying mechanism. When the spraying volume regulating mechanism increases the nozzle aperture to make the sprayed droplets larger, the corresponding water volume regulating mechanism will also be adjusted to increase the water supply of the entire device. The spraying amount adjustment mechanism comprises an adjustment sleeve (201) slidably sleeved on the outer wall of the medicine delivery pipe (2); the lower end of the medicine delivery pipe (2) is connected to a plurality of water outlet pipes (211); the plurality of water outlet pipes (211) are all located inside the adjustment sleeve (201); the lower end of the adjustment sleeve (201) is fixedly connected to an atomizing nozzle (202); the atomizing nozzle (202) is provided with a plurality of atomizing injection holes (212) corresponding to the water outlet pipes (211); both sides of the inner wall of the atomizing injection hole (212) are rotatably connected to aperture adjustment members (214); the aperture adjustment members A return spring (215) is fixedly connected to the outer wall of each of the adjusting sleeves (214); the other end of each of the return springs (215) is fixedly connected to the inner wall of the atomizing spray hole (212); a blocking member (213) is provided at the bottom of the atomizing spray hole (212); a driving member (208) is fixedly connected to the outer wall of the adjusting sleeve (201); the driving member (208) is located directly below the driving slider (209); a pressing spring (204) is fixedly connected to the outer wall of the adjusting sleeve (201); and a windward plate (203) is fixedly connected to the outer wall of the adjusting sleeve (201); The medicine flows into the water outlet pipe (211) through the water outlet hole (210) in the water volume regulating box (205), and then rushes into the atomizing spray hole (212) through the water outlet pipe (211). After being blocked by two aperture adjusting members (214) in a normal state, the medicine is sprayed out in the form of smaller droplets. The wind blows the regulating sleeve (201) upward through the windward plate (203), driving the atomizing nozzle (202) to move upward, and the water outlet pipe (211) located at the upper end of the atomizing spray hole (212) slowly pushes open the aperture regulating member (214). As the aperture regulating member (214) is slowly pushed open, the size of the medicine droplets sprayed from the atomizing spray hole (212) increases. When the atomizing nozzle (202) moves upward to allow the water outlet pipe (211) to push open the aperture adjustment member (214), the driving member (208) also moves upward to contact the driving slider (209), pushing the water outlet baffle (206) to the right, and the water outlet hole (210) located outside the driving member (208) is pushed into the water volume adjustment box (205). At this time, the medicine input from the medicine delivery pipe (2) into the water volume adjustment box (205) is delivered from two water outlet holes (210) instead of being delivered from one water outlet hole (210), so that the delivery amount of the medicine amount is increased; If the wind force in the external environment is too strong, the larger wind force will blow the regulating sleeve (201) upward to the maximum extent through the windward plate (203), and the atomizing spray hole (212) in the atomizing nozzle (202) will move upward until the blocking member (213) at the bottom of the atomizing spray hole (212) contacts the bottom of the water outlet pipe (211). Since the blocking member (213) and the water spray hole at the bottom of the water outlet pipe (211) have the same diameter, the blocking member (213) will block the water outlet of the water outlet pipe (211), so that the water outlet pipe (211) will no longer spray water outward.

2. The UAV high-flow intelligent spraying system according to claim 1 is characterized in that: The spraying system further comprises a take-off boom (101) arranged around the drone body (1), a plurality of the take-off booms (101) being mounted with take-off propellers (103), both sides of the lower end outer wall of the drone body (1) being fixedly connected with take-off support feet (104), the medicine storage box (105) being arranged on the lower end outer wall of the drone body (1), the medicine storage box (105) being located between the two take-off support feet (104), both sides of the medicine storage box (105) being connected with spraying pipes (102), and the spraying pipes (102) being connected with a plurality of medicine delivery pipes (2).

3. The UAV high-flow intelligent spraying system according to claim 1 is characterized in that: The water volume regulating mechanism comprises a water volume regulating box (205) which is connected to and arranged on the medicine delivery pipe (2); the inner side wall of the water volume regulating box (205) is slidably connected to a water outlet baffle (206); both sides of the water outlet baffle (206) penetrate to the outside of the water volume regulating box (205).

4. The UAV high-flow intelligent spraying system according to claim 3 is characterized in that: The right end of the water outlet baffle (206) is fixedly connected to a limit baffle, a plurality of contact springs (207) are fixedly connected to the outer wall of the limit baffle, and the ends of the plurality of contact springs (207) are fixedly connected to the outer wall of the water volume regulating box (205).

5. The UAV high-flow intelligent spraying system according to claim 3 is characterized in that: Water outlet holes (210) are provided in the middle and on the left side of the water outlet baffle (206); the water outlet hole (210) in the middle is located in the water volume regulating box (205); and a driving slider (209) is installed at the left end of the water outlet baffle (206).

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