阅读说明：本技术 一种农用喷洒无人机 (Agricultural unmanned aerial vehicle that sprays ) 是由 施文俊 于 2020-12-23 设计创作，主要内容包括：本发明公开了一种农用喷洒无人机,包括无人机体,无人机体的底部固定连接有支撑腿,无人机体底部的中间位置固定连接有喷洒机构,喷洒机构包括储液箱,储液箱的顶部与无人机体固定连接,储液箱的底部输出端固定连通有导液管道,导液管道采用U形结构,并且导液管道底部的中间位置固定连通有控制阀,控制阀底部输出端固定连接有喷头组件,导液管道内部的两侧且靠近上放的位置均固定连接有稳定平衡组件。本发明涉及无人机技术领域。该农用喷洒无人机,达到了在飞行晃动时,小口径处起到阻碍液体液体的惯性力,保证排放口始终冲满液体。(The invention discloses an agricultural spraying unmanned aerial vehicle, which comprises an unmanned aerial vehicle body, wherein the bottom of the unmanned aerial vehicle body is fixedly connected with supporting legs, the middle position of the bottom of the unmanned aerial vehicle body is fixedly connected with a spraying mechanism, the spraying mechanism comprises a liquid storage tank, the top of the liquid storage tank is fixedly connected with the unmanned aerial vehicle body, the bottom output end of the liquid storage tank is fixedly communicated with a liquid guide pipeline, the liquid guide pipeline is of a U-shaped structure, the middle position of the bottom of the liquid guide pipeline is fixedly communicated with a control valve, the bottom output end of the control valve is fixedly connected with a spray head assembly, and the positions, close to the upper part, of two sides inside the liquid guide pipeline are. The invention relates to the technical field of unmanned aerial vehicles. This agricultural unmanned aerial vehicle that sprays has reached and has rocked in the flight, and small-bore department plays the inertial force that hinders liquid, guarantees that the discharge port is full of liquid all the time.)

1. The utility model provides an agricultural unmanned aerial vehicle that sprays, includes unmanned aerial vehicle body (1), the bottom fixedly connected with supporting leg (2) of unmanned aerial vehicle body (1), intermediate position fixedly connected with sprinkling mechanism (3) of unmanned aerial vehicle body (1) bottom, its characterized in that: sprinkling mechanism (3) include liquid reserve tank (31), the top and unmanned aerial vehicle body (1) fixed connection of liquid reserve tank (31), the fixed intercommunication of bottom output of liquid reserve tank (31) has drain pipe way (32), drain pipe way (32) adopt the U-shaped structure to the fixed intercommunication of intermediate position of drain pipe way (32) bottom has control valve (33), control valve (33) bottom output fixedly connected with shower nozzle subassembly (34), the both sides of drain pipe way (32) inside and be close to the equal fixedly connected with in position of putting and stabilize balanced subassembly (35).

2. An agricultural spraying unmanned aerial vehicle according to claim 1, characterized in that: shower nozzle subassembly (34) are including supporting connecting rod (341), the outside fixed connection of the top of supporting connecting rod (341) and control valve (33), the bottom fixed connection of supporting connecting rod (341) drips dispersion board (342), the output of control valve (33) corresponds the setting with the centre at dripping dispersion board (342) top.

3. An agricultural spraying unmanned aerial vehicle according to claim 2, characterized in that: the middle position of the dripping dispersion plate (342) penetrates through and is rotatably connected with a driving connecting shaft (343), and the driving connecting shaft (343) is uniformly and fixedly connected with air inducing blades (344) at the periphery of the bottom of the dripping dispersion plate (342).

4. An agricultural spraying unmanned aerial vehicle according to claim 3, characterized in that: one end of the driving connecting shaft (343) positioned at the top of the dripping dispersion plate (342) is fixedly connected with a collection groove (345), and a separating cone block (346) is fixedly connected at the middle position inside the collection groove (345).

5. An agricultural spraying unmanned aerial vehicle according to claim 4, characterized in that: the two sides of the outer part of the collecting groove (345) are fixedly connected with elastic bent arc plates (347), the inner parts of the elastic bent arc plates (347) are uniformly provided with shunting inner holes (348), and the top parts of the shunting inner holes (348) are communicated with the inner part of the collecting groove (345).

6. An agricultural spraying unmanned aerial vehicle according to claim 1, characterized in that: stabilize balanced subassembly (35) and include first elastic support pole (351) and second elastic support pole (352), first elastic support pole (351) fixed connection is in drain pipe (32) inside outside one end, the one end of surveying in drain pipe (32) inside is fixed in second elastic support pole (352) to second elastic support pole (352) set up the below at first elastic support pole (351), first elastic support pole (351) and second elastic support pole (352) bottom surface evenly are provided with the steady subassembly of wave (353).

7. An agricultural spraying unmanned aerial vehicle according to claim 6, characterized in that: first elastic support rod (351) is close to the one end rotation of interior survey and is connected with drain restriction subassembly (354), second elastic support rod (352) is close to the one end rotation of interior survey and is connected with supporting roller (355), the even fixedly connected with restriction lug (356) of outside surface of supporting roller (355), restriction lug (356) and drain restriction subassembly (354) correspond the setting.

8. An agricultural spraying unmanned aerial vehicle according to claim 6, characterized in that: the wave stabilizing assembly (353) comprises a resistance-increasing inner groove (3531), the resistance-increasing inner groove (3531) is arranged inside the first elastic supporting rod (351) and the second elastic supporting rod (352), and an elastic air bag (3532) is arranged inside the resistance-increasing inner groove (3531).

9. An agricultural spraying unmanned aerial vehicle according to claim 7, wherein: the liquid guide limiting assembly (354) comprises a driving cam (3541), the axis of the driving cam (3541) is rotatably connected with the first elastic supporting rod (351) through a one-way shaft, and a liquid guide contact piece (3542) is uniformly and fixedly connected to the surface of the driving cam (3541).

10. An agricultural spraying unmanned aerial vehicle according to claim 9, wherein: lead liquid contact piece (3542) and be provided with restriction recess (3543) near the intermediate position in the outside, restriction recess (3543) correspond the joint with restriction lug (356), drive cam (3541) external surface evenly is provided with crushing tooth (3544).

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to an agricultural spraying unmanned aerial vehicle.

Background

An unmanned aircraft is an unmanned aircraft that is operated using a radio remote control device and self-contained program control means, or is operated autonomously, either completely or intermittently, by an on-board computer.

If the Chinese invention discloses the number: CN 111674551A's unmanned aerial vehicle sprinkler, including the medical kit, the medical kit is provided with out the medicine mouth, it is equipped with the spraying assembly to go out the medicine mouth overcoat, the spraying assembly is including spraying the cover, spray and install the motor in the cover, motor output shaft has the impeller. The invention can directly spray granular or powdery medicine, and has low requirement on the sealing property of each part; and each part is convenient to dismantle, is convenient for future maintenance, and saves cost.

Traditional unmanned aerial vehicle sprays liquid fertilizer to crops when, the liquid post diversion that the air that flows in the flight process will spray just, and it is low to spray the accuracy to spun liquid post can not the intensive dispersion at the whereabouts in-process, and the scope of spraying is little, is unfavorable for the even growth of crops, and the liquid level that the exit position was sprayed in the influence of rocking of flight in-process is unfavorable for continuously spraying of discharge port.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an agricultural spraying unmanned aerial vehicle, which solves the problems that the liquid column which is just sprayed is changed by the flowing air in the flying process, the spraying accuracy is low, the sprayed liquid column cannot be fully dispersed in the falling process, the spraying range is small, the uniform growth of crops is not facilitated, the liquid level of the spraying outlet position is influenced by the shaking in the flying process, and the continuous spraying of the discharging outlet is not facilitated.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an agricultural unmanned aerial vehicle that sprays, includes the unmanned aerial vehicle body, the bottom fixedly connected with supporting leg of unmanned aerial vehicle body, the intermediate position fixedly connected with sprinkler structure of unmanned aerial vehicle body bottom, sprinkler structure includes the liquid reserve tank, the top and the unmanned aerial vehicle body fixed connection of liquid reserve tank, the fixed intercommunication of bottom output of liquid reserve tank has the drain pipeline, the drain pipeline adopts the U-shaped structure to the fixed intercommunication of intermediate position of drain pipeline bottom has the control valve, control valve bottom output end fixedly connected with shower nozzle subassembly, the both sides of drain pipeline inside just are close to the equal fixedly connected with in position of putting and stabilize the balanced subassembly. The water pressure of the discharge port is increased, the water flow discharge speed is increased, and when the aircraft shakes, the small-caliber part plays an inertia force which hinders liquid, so that the discharge port is guaranteed to be full of liquid all the time.

Preferably, the shower nozzle subassembly includes the support connecting rod, the outside fixed connection of the top of support connecting rod and control valve, the bottom fixedly connected with of support connecting rod drips the dispersion board, the output of control valve corresponds the setting with the centre at dripping the dispersion board top.

Preferably, the middle position of the dripping dispersion plate penetrates through and is rotatably connected with a driving connecting shaft, and the driving connecting shaft is located at the periphery of the bottom of the dripping dispersion plate and is uniformly and fixedly connected with induced draft blades.

Preferably, the drive connecting shaft is fixedly connected with a collecting groove at one end of the top of the dripping dispersion plate, and a liquid separating cone block is fixedly connected with the middle position inside the collecting groove. The collecting groove is in a groove shape, so that the influence of flying wind power on the flowing direction of the water column which just flows out is reduced.

Preferably, collect the equal fixedly connected with elastic bending arc board in outside both sides of recess, elastic bending arc board's inside evenly is provided with the reposition of redundant personnel hole, the top of reposition of redundant personnel hole and the inside intercommunication of collection recess. The liquid on the surface of the dripping dispersion plate is also dispersed to the periphery under the action of the surface diversion trench, so that the liquid is uniformly dispersed, and the spraying range is improved.

Preferably, stabilize balanced subassembly and include first elastic support rod and second elastic support rod, first elastic support rod fixed connection is in the inside outside one end of drain pipe, second elastic support rod fixes the one end of surveying in the drain pipe is inside to second elastic support rod sets up the below at first elastic support rod, first elastic support rod and second elastic support rod bottom surface evenly are provided with the steady subassembly of wave.

Preferably, the one end that first elastic support pole was close to interior survey is rotated and is connected with drain restriction subassembly, the one end that second elastic support pole was close to interior survey is rotated and is connected with supporting roller, the even fixedly connected with restriction lug in supporting roller's the outside surface, restriction lug corresponds the setting with drain restriction subassembly. And crushing undissolved waste particles or impurities in the liquid to ensure that the spraying process is always in a dredging state.

Preferably, the wave stabilizing assembly comprises a resistance increasing inner groove, the resistance increasing inner groove is arranged inside the first elastic supporting rod and the second elastic supporting rod, and an elastic air bag is arranged inside the resistance increasing inner groove.

Preferably, the liquid guiding limiting assembly comprises a driving cam, the axis of the driving cam is rotatably connected with the first elastic supporting rod through a one-way shaft, and a liquid guiding contact piece is uniformly and fixedly connected to the surface of the driving cam.

Preferably, the intermediate position that drain contact piece is close to the outside is provided with the restriction recess, the restriction recess corresponds the joint with the restriction lug, drive cam external surface evenly is provided with crushing tooth.

The working principle is as follows: the mixed fertilizer liquid is added into the liquid storage tank, the liquid guide pipeline is of a U-shaped structure, the aperture of the position, close to the lower part, of the liquid guide pipeline is gradually reduced, the water pressure of the discharge port is increased, the water flow discharge speed is improved, and when the liquid guide pipeline flies and shakes, the small-aperture part plays a role in blocking the inertia force of the liquid, so that the discharge port is ensured to be filled with the liquid all the time; the first elastic supporting rod and the second elastic supporting rod adopt elastic structures, the elastic air bag is extruded in the liquid shaking process and attached to the inner wall of the resistance-increasing inner groove, the resistance groove is formed in the inner wall of the resistance-increasing inner groove, and the elastic air bag returns to the initial state after the shaking is stopped and also plays a role in buffering liquid inertia force; in the shaking process of the liquid, the liquid impacts on the surface of the liquid guiding contact piece, the cam is driven to rotate at the moment, the limiting groove is meshed with the limiting lug, the liquid guiding limiting assembly moves relative to the supporting roller, the protruding position of the liquid guiding limiting assembly is in contact with the supporting roller to be extruded, undissolved waste particles or impurities in the liquid are crushed, and the liquid is guaranteed to be always in a dredging state in the spraying process; liquid flows out of the control valve, the liquid separation cone block equally divides the liquid into two parts and flows into the collection groove, part of the liquid flows to the dripping dispersion plate from the flow separation inner hole, the liquid which is full of the collection groove flows to the dripping dispersion plate under the guidance of the cambered surface of the elastic bending arc plate, the flowing liquid falls on the surface of the dripping dispersion plate to form water splash which splashes around, the liquid on the surface of the dripping dispersion plate is dispersed around under the action of the surface diversion trench, the liquid is uniformly dispersed, and the spraying range is improved; the collecting groove is in a groove shape, so that the influence of flying wind power on the flowing direction of the water column which just flows out is reduced; the flying wind power drives the driving connecting shaft to rotate under the action of the induced draft blades, so that the elastic bending arc plate is unfolded under the action of centrifugal force, and the effect of increasing the spraying range is also achieved.

(III) advantageous effects

The invention provides an agricultural spraying unmanned aerial vehicle. The method has the following beneficial effects:

(1) this agricultural unmanned aerial vehicle that sprays, inside the liquid reserve tank was added to the fertilizer liquid of mixture, the drain pipeline adopted the U-shaped structure to the drain pipeline is close to the position aperture of below and diminishes gradually, increases the water pressure of discharge port, improves rivers discharge velocity, and when the flight rocks, small-bore department plays the inertial force that hinders liquid, guarantees that the discharge port is full of liquid all the time.

(2) This agricultural unmanned aerial vehicle that sprays, first elastic support rod and second elastic support rod adopt elastic construction to liquid rocks the in-process extrusion elasticity air pocket, and to increasing the laminating of hindering the inside groove inner wall, increases to hinder the inside groove inner wall and is provided with the resistance groove, rocks the elasticity air pocket and resumes initial condition after stopping, also plays the effect of buffer liquid inertia.

(3) This agricultural unmanned aerial vehicle that sprays, liquid are rocking the in-process, and liquid is strikeed at drain contact piece surface, and drive cam rotates this moment, and drain restriction subassembly and supporting roller relative motion lead the protruding position of liquid restriction subassembly and supporting roller contact extrusion, pulverize undissolved waste material granule or impurity in the liquid, guarantee to spray the in-process and be in the mediation state all the time.

(4) This agricultural unmanned aerial vehicle that sprays, liquid flows from the control valve, divide liquid cone piece with liquid etc. and divide into two, and to flow to in collecting the recess, partial liquid flows to the dispersion board that drips from the reposition of redundant personnel hole flow direction, the liquid that the recess was collected to the overflow flows to the dispersion board that drips under the cambered surface guide of elastic bending arc board, the liquid that flows drops on the surface of the dispersion board that drips, form to the splash all around, also disperse to all around under the effect of surperficial guiding gutter at the liquid that drips dispersion board surface, with liquid homodisperse, the improvement sprays the scope.

(5) This agricultural unmanned aerial vehicle that sprays collects the recess and adopts the recess form, reduces the influence of flight wind-force to the water column flow direction that just flows out.

(6) This agricultural unmanned aerial vehicle that sprays, the wind-force of flight drives the drive even axle rotation under the effect of induced air blade to the elastic bending arc board expandes under the centrifugal force effect, also plays the effect that increases the spraying range.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic view of the spraying mechanism of the present invention;

FIG. 3 is a schematic structural view of a showerhead assembly of the present invention;

FIG. 4 is a schematic structural view of a stabilizing balance assembly of the present invention;

FIG. 5 is a schematic structural view of the wave smoothing assembly of the present invention;

FIG. 6 is a schematic view of a liquid guiding and limiting assembly according to the present invention.

In the figure: the automatic liquid spraying device comprises an unmanned aerial vehicle body 1, supporting legs 2, a spraying mechanism 3, a liquid storage tank 31, a liquid guide pipeline 32, a control valve 33, a spray head assembly 34, a supporting connecting rod 341, a dripping dispersion plate 342, a driving connecting shaft 343, an induced draft blade 344, a collecting groove 345, a liquid separating cone block 346, an elastic bending arc plate 347, a flow dividing inner hole 348, a stable balance assembly 35, a first elastic supporting rod 351, a second elastic supporting rod 352, a wave stabilizing assembly 353, a resistance increasing inner groove 3531, an elastic air bag 3532, a liquid guide limiting assembly 354, a driving cam 3541, a liquid guide contact piece 3542, a limiting groove 3543, a crushing tooth 3544, a supporting roller 355 and a limiting projection 356.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1-2, the present invention provides a technical solution: the utility model provides an agricultural unmanned aerial vehicle that sprays, including unmanned aerial vehicle body 1, unmanned aerial vehicle body 1's bottom fixedly connected with supporting leg 2, the intermediate position fixedly connected with sprinkler mechanism 3 of unmanned aerial vehicle body 1 bottom, sprinkler mechanism 3 includes liquid reserve tank 31, the top and the unmanned aerial vehicle body 1 fixed connection of liquid reserve tank 31, the fixed intercommunication of bottom output of liquid reserve tank 31 has drain pipe 32, drain pipe 32 adopts the U-shaped structure, and the fixed intercommunication of intermediate position of drain pipe 32 bottom has control valve 33, control valve 33 bottom output end fixedly connected with shower nozzle subassembly 34, the both sides of drain pipe 32 inside just are close to the stable balanced subassembly 35 of the equal fixedly connected with in position of putting on. The water pressure of the discharge port is increased, the water flow discharge speed is increased, and when the aircraft shakes, the small-caliber part plays an inertia force which hinders liquid, so that the discharge port is guaranteed to be full of liquid all the time.

Example two

As shown in fig. 3, on the basis of the first embodiment, the present invention provides a technical solution: the utility model provides an agricultural unmanned aerial vehicle that sprays, shower nozzle subassembly 34 includes supporting connecting rod 341, supporting connecting rod 341's top and the outside fixed connection of control valve 33, and supporting connecting rod 341's bottom fixedly connected with drips dispersion board 342, and the output of control valve 33 corresponds the setting with the centre at dripping dispersion board 342 top.

The middle position of the dripping dispersion plate 342 is connected with a driving connecting shaft 343 in a penetrating and rotating way, and the periphery of the driving connecting shaft 343 at the bottom of the dripping dispersion plate 342 is uniformly and fixedly connected with an induced air blade 344.

One end of the driving connecting shaft 343, which is located at the top of the dripping dispersion plate 342, is fixedly connected with a collecting groove 345, and a separating cone 346 is fixedly connected at the middle position inside the collecting groove 345. The collecting grooves 345 are groove-shaped, so that the influence of flying wind on the flowing direction of the water column which just flows out is reduced.

Both sides of the outside of the collecting groove 345 are fixedly connected with elastic bending arc plates 347, the inner parts of the elastic bending arc plates 347 are uniformly provided with shunting inner holes 348, and the top parts of the shunting inner holes 348 are communicated with the inside of the collecting groove 345. The liquid on the surface of the dripping dispersion plate 342 is also dispersed to the periphery under the action of the surface diversion trench, so that the liquid is uniformly dispersed, and the spraying range is improved.

EXAMPLE III

As shown in fig. 4-6, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: the utility model provides an agricultural unmanned aerial vehicle that sprays, stable balanced subassembly 35 includes first elastic support rod 351 and second elastic support rod 352, and first elastic support rod 351 fixed connection is in the inside outside one end of drain pipe 32, and second elastic support rod 352 fixes the one end of surveying in drain pipe 32 is inside to second elastic support rod 352 sets up in the below of first elastic support rod 351, and first elastic support rod 351 and second elastic support rod 352 bottom surface evenly are provided with the steady subassembly 353 of wave.

One end of the first elastic supporting rod 351 close to the inner side is rotatably connected with a liquid guiding limiting component 354, one end of the second elastic supporting rod 352 close to the inner side is rotatably connected with a supporting roller 355, the outer side surface of the supporting roller 355 is uniformly and fixedly connected with a limiting lug 356, and the limiting lug 356 corresponds to the liquid guiding limiting component 354. And crushing undissolved waste particles or impurities in the liquid to ensure that the spraying process is always in a dredging state.

The wave stabilizer assembly 353 includes a resistance-increasing inner groove 3531, the resistance-increasing inner groove 3531 is disposed inside the first elastic strut 351 and the second elastic strut 352, and an elastic air bag 3532 is disposed inside the resistance-increasing inner groove 3531.

The liquid guiding limiting assembly 354 comprises a driving cam 3541, the axis of the driving cam 3541 is rotatably connected with the first elastic supporting rod 351 through a one-way shaft, and a liquid guiding contact piece 3542 is uniformly and fixedly connected to the surface of the driving cam 3541.

The middle position of the liquid guide contact piece 3542 close to the outer side is provided with a limiting groove 3543, the limiting groove 3543 is correspondingly clamped with the limiting lug 356, and the outer surface of the driving cam 3541 is uniformly provided with crushing teeth 3544.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.