Disclosure of Invention
The invention aims to provide an intelligent unmanned aerial vehicle pesticide spraying device applied to plant protection, which can scrape precipitates adhered to the inner walls of a pesticide guide pipe and a pesticide discharge pipe after spraying pesticides so as to ensure the cleanliness of the interior of a pesticide spraying mechanism.
The technical scheme adopted by the invention is as follows: the method comprises the following steps:
the intelligent unmanned aerial vehicle comprises an unmanned aerial vehicle body, wherein a wireless communication module is arranged inside the unmanned aerial vehicle body, and a pesticide storage box is arranged at the bottom end of the unmanned aerial vehicle body and used for storing pesticides;
the pesticide spraying mechanism is arranged on the outer surface of the pesticide storage box in an annular array and is controlled by the wireless communication module to spray pesticides;
the scraping mechanism is arranged inside the medicine spraying mechanism and is used for scraping sediments inside the medicine spraying mechanism;
the waste discharge mechanism is arranged inside the medicine spraying mechanism and is used for scraping the scraped precipitate out of the medicine spraying mechanism;
the buffer mechanism is arranged at the bottom end of the medicine storage box and is used for buffering impact force generated when the unmanned aerial vehicle body lands;
wherein, when the unmanned aerial vehicle body falls to the ground, buffer gear contacts ground, buffer gear pulls the scraper mechanism, along with the unmanned aerial vehicle body lasts the decline, scraper mechanism shifts in step in the inside of spilling medicine mechanism.
The below fixed mounting of unmanned aerial vehicle body has the backup pad, the upper surface of backup pad and the bottom fixed connection of explosive box, the top fixed mounting of explosive box has the pencil that adds, the bottom fixed mounting of explosive box has the pipe of wasting discharge, the pipe of wasting discharge runs through the backup pad, the port department of wasting discharge and adding the pencil all is equipped with the sealing plug.
The medicine sprinkling mechanism comprises a medicine guide pipe, a medicine discharge pipe and a spray head, the medicine guide pipe is fixedly arranged on one side of the bottom of the medicine storage box, the medicine discharge pipe is sleeved outside the medicine guide pipe in a sliding mode, and the spray head is assembled at one end, far away from the medicine guide pipe, of the medicine discharge pipe.
The upper surface of backup pad fixed mounting has electric putter, electric putter keeps away from the one end and the shower nozzle fixed connection of explosive box, the upper surface of backup pad is fixed mounting still has the firm frame that is used for supporting electric putter.
The scraper mechanism comprises a fixed pulley, a scraper ring and a linkage rope, the fixed pulley is arranged in the support plate, the support frame used for supporting the fixed pulley is fixedly connected to the inside of the support plate, the scraper ring is sleeved inside the medicine guide tube in a sliding mode, the linkage rope is wrapped on the outer surface of the fixed pulley, and one end of the linkage rope is fixedly connected with the scraper ring.
Waste discharge mechanism includes fixed sleeve, link ring, reset spring and solid fixed ring, fixed sleeve is fixed to be cup jointed in the surface of arranging the pencil, the inside of arranging the pencil is located to the link ring sliding sleeve, reset spring fixed mounting is in fixed sleeve's inside, reset spring's one end and one side fixed connection of link ring, gu fixed ring cup joints in the outside of medicine guide tube, gu fixed ring and link ring are parallel and level each other, arrange the waste hole under the pencil, the waste discharge groove that corresponds with waste discharge hole is seted up to fixed sleeve's bottom, gu fixed ring's bottom fixed mounting has the bracing piece corresponding with waste discharge groove, the bottom of bracing piece and one side fixed connection of electric putter upper surface.
The storage groove has been seted up to the inside one side of fixed sleeve, one side of linkage ring is seted up and is stored the corresponding joint groove in groove, the inside cover in joint groove is equipped with the joint piece, the top fixedly connected with of joint piece connects the rope, connect one side and the fixedly connected with linkage dog that the rope runs through the fixed sleeve inner wall.
The bottom of linkage ring is seted up with the mutual parallel and level's of linkage dog intercommunication groove, the top fixedly connected with of solid fixed ring one side and the stripper plate of intercommunication groove looks parallel and level.
Buffer gear includes buffer beam, external sleeve and buffer spring, the buffer beam alternates in the bottom of backup pad, the bottom fixedly connected with connecting plate of buffer beam, external sleeve slides and cup joints in the surface of buffer beam, the spacing groove has been seted up to external telescopic inside, the inside slip cover of spacing groove be equipped with buffer beam middle part fixed connection's limiting plate, buffer spring fixed mounting is between external sleeve and explosive box.
The cavity is opened to the inside of backup pad, the top of buffer beam runs through to the inside of cavity and fixedly connected with linkage board, the bottom of linkage board and the one end fixed connection of linkage rope.
The invention has the technical effects that:
according to the unmanned aerial vehicle, due to the design of the buffer mechanism, the impact force generated when the unmanned aerial vehicle falls to the ground can be relieved when the unmanned aerial vehicle body falls, so that the unmanned aerial vehicle body cannot excessively vibrate when falling, a medicine storage box can be stably loaded below the unmanned aerial vehicle body, and the subsequent medicine spraying process can be further ensured to be smoothly carried out;
according to the invention, the design of the scraping mechanism is adopted, and the scraping mechanism can synchronously move along with the buffer mechanism when the buffer mechanism works, so that the inner wall of the medicine guide pipe can be automatically cleaned after the unmanned aerial vehicle body lands, and the sediment locked and adhered on the inner wall of the medicine guide pipe can be effectively scraped, so that the subsequent chemical reaction with different medicaments is prevented, and the cleanness of the inner wall of the medicine guide pipe is effectively ensured;
the design of the discharge mechanism is adopted, the medicine guide pipe can scrape sediment adhered to the inner wall of the medicine discharge pipe in the retraction process of the medicine discharge pipe, and the waste discharge hole is opened after the discharge mechanism moves to a specified position, so that the sediment hung on the inner wall of the medicine discharge pipe can be directly discharged to the outside through the waste discharge hole, and further, the medicine discharge pipe is cleaned without using a special tool;
according to the invention, the design of the linkage ring is adopted, and in the process of spraying pesticide on the unmanned aerial vehicle body, the clamping block can limit the linkage ring from moving in the fixed sleeve, so that the linkage ring can stably cover the outside of the waste discharge hole, pesticide cannot flow out through the waste discharge hole in the pesticide spraying process, before the waste discharge mechanism is opened, the extrusion plate firstly extrudes the linkage stop block, and then the clamping block is drawn out from the inside of the clamping groove through the connecting rope, so that the external limitation of the linkage ring can be contacted, and the thinking of the linkage ring is not influenced.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.
As shown in fig. 1, an intelligent unmanned aerial vehicle pesticide spraying device applied to plant protection, including unmanned aerial vehicle body 1, spill the medicine mechanism, scrape the material mechanism, waste discharge mechanism and buffer gear, the inside of unmanned aerial vehicle body 1 is provided with wireless communication module, unmanned aerial vehicle body 1 sends the signal to wireless communication module through ground remote control unit, with this control unmanned aerial vehicle body 1 flies, this is current mature technology, do not do specific details herein, the bottom of unmanned aerial vehicle body 1 is provided with medicine storage box 2, medicine storage box 2 is used for storing pesticide, spill the medicine mechanism and be installed in the surface of medicine storage box 2 in annular array, scrape the material mechanism and set up in the inside of spilling the medicine mechanism, waste discharge mechanism sets up in the inside of spilling the medicine mechanism, buffer gear sets up in the bottom of medicine storage box 2;
according to the invention, when the unmanned aerial vehicle body 1 falls to the ground, the buffer mechanism firstly contacts the ground, so that the impact force generated when the unmanned aerial vehicle body 1 descends is relieved, the buffer mechanism rises after contacting the ground, so as to draw the scraping mechanism to move, the scraping mechanism synchronously moves inside the medicine spraying mechanism along with the continuous descending of the unmanned aerial vehicle body 1, so that the sediment inside the medicine spraying mechanism is scraped, after the unmanned aerial vehicle body 1 stops stably, the wireless communication module can also control the medicine spraying mechanism to retract and approach the medicine storage box 2, so that the extra space occupied by the medicine spraying mechanism is reduced, the medicine spraying mechanism can further scrape the inside of the medicine spraying mechanism in the retracting process, and the port of the waste discharging mechanism can also be opened, so that the scraped sediment inside the medicine spraying mechanism is discharged to the outside.
As shown in fig. 1 and fig. 2, there is backup pad 3 below fixed mounting of unmanned aerial vehicle body 1, the upper surface of backup pad 3 and the bottom fixed connection of explosive box 2, the top fixed mounting of explosive box 2 has with pencil 201, the user waits the pesticide that sprays through the inside filling that adds pencil 201 case explosive box 2, the bottom fixed mounting of explosive box 2 has the pipe 202 of wasting discharge, the pipe 202 of wasting discharge is used for deriving the pesticide that does not spray completely and is scraped the precipitate that the material mechanism scraped, the pipe 202 of wasting discharge runs through backup pad 3, the sealing plug port department of the pipe 202 of wasting discharge and pencil 201 all is equipped with, the mode of accessible threaded connection assembles, guarantee with this that the inside pesticide of explosive box 2 can not leak.
As shown in fig. 1 and 2, the pesticide spraying mechanism comprises a pesticide guide pipe 4, a pesticide discharge pipe 401 and a spray head 402, the pesticide guide pipe 4 is fixedly installed on one side of the bottom of the pesticide storage box 2, the pesticide guide pipe 4 is communicated with the inside of the pesticide storage box 2, the pesticide discharge pipe 401 is sleeved outside the pesticide guide pipe 4 in a sliding manner, the pesticide discharge pipe 401 can slide relative to the pesticide guide pipe 4 to realize extension and retraction of the pesticide spraying mechanism, the spray head 402 is assembled at one end of the pesticide discharge pipe 401, which is far away from the pesticide guide pipe 4, and the spray head 402 is a common component on the market and is used for spraying pesticide discharged from the inside of the pesticide discharge pipe 401 to the top of crops.
As shown in fig. 2 and 3, an electric putter 5 is fixedly mounted on the upper surface of the supporting plate 3, the electric putter 5 is electrically connected to a self-contained storage battery of the unmanned aerial vehicle body 1, and a storage battery can be independently provided for the electric putter 5, which is not specifically limited herein, the electric putter 5 is also opened and closed remotely through a wireless control module and a ground remote control device, one end of the electric putter 5, which is far away from the medicine storage box 2, is fixedly connected to the spray head 402, a fixing frame 302 for supporting the electric putter 5 is further fixedly mounted on the upper surface of the supporting plate 3, and the fixing frame 302 is used for enhancing the fixing performance of the electric putter 5.
According to above-mentioned structure, when needs spray the pesticide, the user passes through ground remote control unit operation electric putter 5, electric putter 5 extends and drives shower nozzle 402 synchronous motion, shower nozzle 402 pulls row pencil 401, row's pencil 401 will slide along the surface of leading pencil 4, make shower nozzle 402 remove the below of unmanned aerial vehicle body 1 rotor with this, thereby the produced air current of rotor can accelerate the falling speed that sprays and can go out the pesticide, and still can not make the pesticide scatter everywhere.
As shown in fig. 2 and 9, the scraping mechanism includes a fixed pulley 11, a scraping ring 12 and a linkage rope 1201, the fixed pulley 11 is disposed inside the supporting plate 3, a supporting frame 1101 for supporting the fixed pulley 11 is fixedly connected inside the supporting plate 3, the scraping ring 12 is slidably sleeved inside the medicine guide tube 4, the linkage rope 1201 is wrapped on the outer surface of the fixed pulley 11, the linkage rope 1201 is a rigid rope and can be bent but has no elasticity, one end of the linkage rope 1201 is fixedly connected with the scraping ring 12, and the other end of the linkage rope 1201 is fixedly connected with the buffering mechanism.
Specifically, cavity 301 has been seted up to the inside of backup pad 3, and fixed pulley 11 sets up in the inside of cavity 301, and support frame 1101 fixed mounting is in the bottom of cavity 301 inner wall, and fixed pulley 11 and support frame 1101 accessible bearing rotate to be connected, and this rotation connected mode can be replaced according to the actual use demand.
Further, after unmanned aerial vehicle body 1 descends and contacts ground, buffer gear receives the effort that comes from ground and rises, and then linkage rope 1201 is located the inside one end of cavity 301 and rises along buffer gear is synchronous, and linkage rope 1201 drags scraper ring 12 afterwards, and scraper ring 12 will slide along the inner wall of medicine guide tube 4, and scraper ring 12 alright scrape off the inside of explosive box 2 with the precipitate of medicine guide tube 4 inner wall afterwards.
It should be noted that, the stroke of the scraping ring 12 is the same as the ascending stroke of the buffer mechanism, and then the moving range of the scraping ring 12 can be limited by limiting the stroke of the buffer mechanism, so as to prevent the scraping ring 12 from sliding out of the inner part of the drug guide tube 4, and similarly, the position of the scraping ring 12 can also be directly limited, and only two convex blocks are required to be added in the inner part of the drug guide tube 4 to block the scraping ring 12.
Further, when unmanned aerial vehicle body 1 sprays insecticide, unmanned aerial vehicle body 1 will rise to aloft, buffer gear at this moment moves down under the action of gravity of self, with this linkage rope 1201 be located the inside one end synchronous decline of cavity 301, the outside traction force of scraping ring 12 disappears this moment, along with the continuous inside that enters into medicine guide tube 4 of pesticide, linkage ring 602 pulls linkage rope 1201 to remove along medicine guide tube 4's inner wall under the effort that the pesticide flows, stop after linkage rope 1201 is tight until linkage rope 1201
As shown in fig. 3 and 4, the waste discharge mechanism includes a fixed sleeve 6, a link ring 602, a reset spring 603 and a fixed ring 8, the fixed sleeve 6 is fixedly sleeved on the outer surface of the waste discharge pipe 401, the link ring 602 is slidably sleeved inside the waste discharge pipe 401, the reset spring 603 is fixedly installed inside the fixed sleeve 6, the reset spring 603 is initially in an unstressed state, one end of the reset spring 603 is fixedly connected with one side of the link ring 602, the fixed ring 8 is sleeved outside the drug guide pipe 4, the fixed ring 8 and the link ring 602 are flush with each other, a waste discharge hole 4011 is formed in the lower surface of the waste discharge pipe 401, the link ring 602 is initially located outside the waste discharge hole 4011, the width of the waste discharge hole 4011 is smaller than that of the link ring 602, a seal ring is sleeved on the inner wall of the link ring 602, so that the pesticide cannot be discharged through the waste discharge hole 4011 during spraying, a waste discharge groove 604 corresponding to the waste discharge hole 4011 is formed in the bottom end of the fixed sleeve 6, the bottom end of the fixing ring 8 is fixedly provided with a supporting rod 802 corresponding to the waste discharge groove 604, the bottom end of the supporting rod 802 is fixedly connected with one side of the upper surface of the electric push rod 5, and the supporting rod 802 is fixedly connected with one side of the electric push rod 5.
Further, referring to fig. 5 and 6, a containing groove 601 is formed in one side inside the fixing sleeve 6, a clamping groove corresponding to the containing groove 601 is formed in one side of the linkage ring 602, a clamping block 7 is sleeved inside the clamping groove, a connecting rope 701 is fixedly connected to the top end of the clamping block 7, the connecting rope 701 is made of the same material as the linkage rope 1201, the connecting rope 701 penetrates through one side of the inner wall of the fixing sleeve 6 and is fixedly connected with a linkage stopper 702, the linkage stopper 702 slides inside the fixing sleeve 6, a communicating groove 6021 flush with the linkage stopper 702 is formed in the bottom of the linkage ring 602, a squeezing plate 801 flush with the communicating groove 6021 is fixedly connected to the top of one side of the fixing ring 8, and the length of the squeezing plate 801 is greater than that of the communicating groove 6021.
According to the structure, after the unmanned aerial vehicle body 1 is stably landed, a user controls the electric push rod 5 to operate through the ground remote control device, the electric push rod 5 extends and pushes the spray head 402, the spray head 402 drives the medicine discharge pipe 401 to slide along the outer part of the medicine guide pipe 4, the medicine discharge pipe 401 drives the fixing sleeve 6 to synchronously move, then the fixing sleeve 6 is gradually covered to the outer part of the fixing ring 8, then the extrusion plate 801 gradually passes through the communication groove 6021 and extrudes the linkage stopper 702, the linkage stopper 702 pulls the connecting rope 701, the connecting rope 701 pulls the clamping block 7, the clamping block 7 ascends from the inner part of the clamping groove to the inner part of the accommodating groove 601, so that the outer limit of the linkage ring 602 can be released, then the fixing ring 8 contacts the linkage ring 602, the fixing ring 8 continuously moves along with the fixing sleeve 6, the fixing ring 8 extrudes the linkage ring 602, the linkage ring 602 extrudes the reset spring 603, the reset spring 603 contracts and stores the force, then, the waste discharge hole 4011 is gradually misaligned with the fixing ring 8 and the link ring 602, and the sediment scraped through the medicine guide tube 4 is discharged from the waste discharge hole 4011.
It should be noted that, after the waste discharge operation is completed, the user needs to operate the electric push rod 5 to extend a distance outward, the extending distance can be preset, and the operation is performed through the ground remote control device and the wireless communication module, which is a conventional prior art and is not specifically described herein, until the fixing ring 8 stops after no longer pressing the linkage ring 602, at this time, the reset spring 603 pushes back the linkage ring 602, and the linkage ring 602 is coated outside the waste discharge hole 4011 again, so that the pesticide cannot flow out through the waste discharge hole 4011 when the next dosing operation is performed.
As shown in fig. 7 and 8, buffer gear includes buffer beam 9, external sleeve 10 and buffer spring 1002, buffer beam 9 alternates in the bottom of backup pad 3, bottom fixedly connected with connecting plate 901 of buffer beam 9, the area of contact of connecting plate 901 multiplicable buffer beam 9 and ground, with this make buffer beam 9's lifting surface increase, external sleeve 10 slides and cup joints in buffer beam 9's surface, spacing groove 1001 has been seted up to external sleeve 10's inside, the inside slip cover of spacing groove 1001 is equipped with limiting plate 902 with buffer beam 9 middle part fixed connection, buffer spring 1002 fixed mounting is between external sleeve 10 and explosive box 2, spacing groove 1001 is used for restricting limiting plate 902's removal stroke, thereby also corresponding restriction buffer beam 9's removal stroke.
It should be noted that, after unmanned aerial vehicle body 1 flies to aloft, the bottom of external sleeve 10 is less than 1 bottom of unmanned aerial vehicle body to this makes unmanned aerial vehicle body 1 can obtain effectual buffering before contacting ground completely.
Further, referring to fig. 9, the top end of the buffer rod 9 penetrates into the chamber 301 and is fixedly connected with a linkage plate 903, the bottom end of the linkage plate 903 is fixedly connected with one end of the linkage rope 1201, and the linkage plate 903 is used for driving the linkage rope 1201 to move.
According to above-mentioned structure, when unmanned aerial vehicle body 1 descends, connecting plate 901 contacts ground at first, buffer beam 9 follows connecting plate 901 and rises simultaneously under the reaction force on ground, buffer beam 9 drives limiting plate 902 and is pressing the inside of spacing groove 1001 and rises, buffer beam 9 still drives linkage plate 903 and rises at the inside of cavity 301, linkage plate 903 pulls the one end of linkage rope 1201 and rises, drive the scraper structure operation with this, after the upper surface of limiting plate 902 contact spacing groove 1001 inner wall, external sleeve 10 will follow buffer beam 9 and rise simultaneously, external sleeve 10 will extrude buffer spring 1002, buffer spring 1002 contracts and offsets the effort that comes from ground, with this mesh of buffering when reaching unmanned aerial vehicle body 1 and descending.
The working principle of the invention is as follows: when unmanned aerial vehicle body 1 descends, buffer gear at first contacts ground, impact force when slowing down unmanned aerial vehicle body 1 and descending with this, buffer gear can rise after contacting ground, buffer gear rises the in-process and pulls scraping the material mechanism and shift, scrape the material mechanism and strike off the inside precipitate of unrestrained medicine mechanism, after unmanned aerial vehicle body 1 stops steadily, spill medicine mechanism retraction and be close to the explosive box 2 through ground remote control device and wireless communication module control, spill waste mechanism can further scrape the material to its inside among the process that medicine mechanism contracts, strike off and just open waste discharge hole 4011 after the precipitate, discharge from waste discharge hole 4011 with this make the inside precipitate of striking off of unrestrained medicine mechanism.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.