CN111959778A

CN111959778A - Unmanned aerial vehicle that can be used to spray insecticide

Info

Publication number: CN111959778A
Application number: CN202010887906.5A
Authority: CN
Inventors: 杨相兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-11-20

Abstract

An unmanned aerial vehicle capable of being used for spraying pesticides comprises an unmanned aerial vehicle body, a wing arm and a propeller, wherein a pesticide box is fixed below the unmanned aerial vehicle body, a water pump is arranged below the pesticide box, a pesticide cavity is formed in the pesticide box, a pesticide inlet pipe is arranged on the pesticide box, one end of the pesticide inlet pipe is communicated with the pesticide cavity, the other end of the pesticide inlet pipe penetrates through the unmanned aerial vehicle body, an end cover is arranged at the other end of the pesticide inlet pipe, the water pump comprises a feed pipe and a discharge pipe, the feed pipe extends into the pesticide cavity, the discharge pipe is vertically downward, a spray pipe is arranged at the end part of the discharge pipe, the middle part of the spray pipe is rotatably arranged on the discharge pipe, atomizing nozzles are arranged at two ends of the spray pipe, are arranged along the tangent line of the spray pipe and incline downward, when the atomizing nozzles spray pesticides, the spray pipe, the spray is uniformly spread on the place where the pesticide needs to be spread by rotating, and the effect is ideal.

Description

Unmanned aerial vehicle that can be used to spray insecticide

Technical Field

The invention relates to the technical field of plant protection unmanned aerial vehicles, in particular to an unmanned aerial vehicle capable of being used for spraying pesticides.

Background

Plant protection unmanned aerial vehicle, also called unmanned vehicles, the name is an unmanned aircraft who is used for agriculture and forestry plant protection operation as the name implies, this type unmanned aircraft comprises flight platform (fixed wing, helicopter, multiaxis aircraft), navigation flight control, spraying mechanism triplex, flies through ground remote control or navigation and controls, realizes spraying the operation, can spray medicament, seed, powder etc. along with the rapid development of agricultural technology, the unmanned aerial vehicle that can be used to spray insecticide has also obtained technological improvement.

In the prior art, for example, the name of patent No. CN201720367551.0 is "plant protection unmanned aerial vehicle", which includes a central disk, a horn connected to the side of the central disk, and a medicine box connected below the central disk, where the central disk and the medicine box are both cylindrical structures, a plurality of rectangular planes are cut out from the side of the central disk, the left end of the horn is detachably connected to the rectangular plane of the central disk, and a rotor located above and a retractable nozzle located below are disposed at a position on the right side of the horn close to the right end face, so that the plant protection unmanned aerial vehicle can be quickly detached and installed, is convenient to maintain and replace, can reduce the time for maintenance and replacement when the plant protection unmanned aerial vehicle fails, and improves the working efficiency; the telescopic sprayer is arranged, and the height of the nozzle can be adjusted by adjusting the telescopic cylinder, so that the telescopic sprayer adapts to the corresponding environment. But prior art's plant protection unmanned aerial vehicle, generally just be provided with a sprinkler head on unmanned aerial vehicle, if only spraying of a direction, it is very even many times, can not reach the effect that the high efficiency was sprayed, and the liquid medicine mixes inhomogeneously moreover, at the easy sedimentation separation of spraying in-process, and when unmanned aerial vehicle descended, the shock attenuation effect was not good, easily leads to unmanned aerial vehicle to empty.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide the unmanned aerial vehicle which is uniform in spraying, ensures efficiency, is uniform in material mixing and has a good damping effect and can be used for spraying pesticides.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an unmanned aerial vehicle capable of being used for spraying pesticides comprises an unmanned aerial vehicle body, four wing walls and propellers, wherein the four wing walls are radially arranged on the outer side of the unmanned aerial vehicle body, one end of each wing wall is fixed with the unmanned aerial vehicle body, the other end of each wing arm is fixed with a driving motor, the middle of each propeller is fixed on a driving shaft of the driving motor and driven by the driving motor to rotate, a pesticide box is fixed below the unmanned aerial vehicle body, a water pump is arranged below the pesticide box, a pesticide cavity is formed in the pesticide box, a pesticide inlet pipe is arranged on the pesticide box, one end of the pesticide inlet pipe is communicated with the pesticide cavity, the other end of the pesticide inlet pipe penetrates through the unmanned aerial vehicle body, the other end of the pesticide inlet pipe is provided with an end cover, the water pump comprises a feed pipe and a discharge pipe, the feed pipe extends into the pesticide cavity, the discharge pipe is vertically downward, the end part, the two ends of the material spraying pipe are provided with atomizing nozzles which are arranged along the tangent line of the material spraying pipe and incline downwards;

this internal holding chamber that is provided with of unmanned aerial vehicle, holding intracavity are provided with control panel and lithium cell, the control panel is connected with the lithium cell electricity, still be provided with the mouth that charges on the unmanned aerial vehicle body, the mouth that charges links to each other with the lithium cell, the control panel links to each other with the water pump.

In order to make the landing smooth, the invention improves the following steps: the medical kit below is provided with the support frame, the support frame bottom is provided with buffer, buffer comprises last casing, lower casing, the telescopic link, compression spring, buffer block and abrasion pad, go up casing top and support frame bottom fixed connection, go up the casing inboard and the external sliding connection that sideslips of inferior valve, telescopic link top and the inboard top middle part fixed connection of last casing, telescopic link bottom and the internal side bottom middle part fixed connection of inferior valve, the inside telescopic link that sets up of compression spring, buffer block top middle part and lower casing bottom fixed connection, abrasion pad top and buffer block bottom fixed connection.

The improved structure of the invention is characterized in that four buffer devices are arranged and are respectively arranged at four corners of the bottom end of the support frame.

In order to further ensure the stability of falling, the invention improves the following steps: the telescopic link is provided with two sections, and the total height of the telescopic link is the same as the height of the compression spring.

In order to enhance the mixing of the medicines, the invention is improved in that a stirring device is arranged on the medicine box, the stirring device comprises a stirring motor, a stirring shaft, a stirring paddle and a shaft support frame, the stirring motor is fixed on the medicine box, the stirring shaft is transversely arranged in the medicine cavity, one end of the stirring shaft extends out of the medicine cavity and is connected with a driving shaft of the stirring motor, the shaft support frame is arranged in the medicine cavity, the other end of the stirring shaft is rotatably arranged on the shaft support frame, the stirring paddle is uniformly arranged on the stirring shaft, and the stirring motor is connected with a control panel.

In order to ensure the uniform stirring, the invention has the following improvements: six stirring paddles are arranged on the stirring shaft at equal intervals, and the stirring shaft is in a straight line shape.

(III) advantageous effects

Compared with the prior art, the invention provides an unmanned aerial vehicle capable of spraying pesticides, which has the following beneficial effects:

1. for solving the liquid medicine and mixing inhomogeneously, at the problem of spraying the easy sedimentation separation of in-process, the agitating unit design is proposed in this design, it is inhomogeneous to have solved the liquid medicine and mixed, at the problem of spraying the easy sedimentation separation of in-process, press the stirring switch, it carries out clockwise rotation to pass through the shaft coupling by agitator motor in the protective housing drive (mixing) shaft, the (mixing) shaft rotates on axle strut frame, and stir liquid medicine through the epaxial stirring rake of stirring, reach and stir liquid medicine spraying the in-process, avoid the liquid medicine to deposit beneficial effect.

2. For when solving unmanned aerial vehicle descending, the shock attenuation effect is not good, easily lead to the problem that unmanned aerial vehicle emptys, the buffer design is proposed in this design, when having solved unmanned aerial vehicle descending, the shock attenuation effect is not good, easily lead to the problem that unmanned aerial vehicle emptys, the vibrations that the descending produced are transmitted to last casing, make and go up the casing and push down, slide on the casing down, the telescopic link compresses simultaneously, and compression spring also compresses, along with compression spring bounce, bounce through compression spring unloads the vibrations power, further shock attenuation by the buffer block again, when reaching unmanned aerial vehicle descending, can effectually carry out the shock attenuation, avoid the beneficial effect that unmanned aerial vehicle emptys.

3. In order to solve and spray not enough even problem, after atomizing nozzle blowout medicine, can make through thrust and spout material pipe autogiration, spout the medicine at unmanned aerial vehicle operation in-process automation, evenly spill the place that needs spilt the medicine through rotating, the effect ideal.

Drawings

Fig. 1 is a perspective view of an unmanned aerial vehicle useful for spraying pesticides of the present invention;

FIG. 2 is a cross-sectional view of the unmanned aerial vehicle of the present invention that can be used for spraying pesticides;

FIG. 3 is a block diagram of a buffer mechanism of the unmanned aerial vehicle that can be used for spraying pesticides of the present invention;

fig. 4 is a partial enlarged view of the drone of the present invention that may be used to spray a pesticide.

In the figure: 1. an unmanned aerial vehicle body; 2. a support frame; 3. a wing arm; 4. a propeller; 5. a drive motor; 6. a medicine chest; 7. a water pump; 8. a medicine inlet pipe; 9. an end cap; 10. a feed pipe; 11. a discharge pipe; 12. a material spraying pipe; 13. an atomizing nozzle; 14. an accommodating cavity; 15. control panel, 16, lithium battery; 17. a charging port; 18. a sleeve; 19. a wear pad; 20. an upper housing; 21. a lower housing; 22. a telescopic rod; 23. a compression spring; 24. a buffer block; 25. a stirring motor; 26. a stirring shaft; 27. a stirring paddle; 28. an axle support; 29. an extension plate.

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.

Referring to fig. 1-4, the invention provides an unmanned aerial vehicle for spraying pesticides, which comprises an unmanned aerial vehicle body 1, four wing walls 3 and propellers 4, wherein the four wing walls are radially arranged on the outer side of the unmanned aerial vehicle body 1, one end of each wing wall is fixed with the unmanned aerial vehicle body 1, the other end of each wing arm 3 is fixed with a driving motor 5, the middle part of each propeller 4 is fixed on a driving shaft of the driving motor 5 and is driven by the driving motor 5 to rotate, a pesticide box 6 is fixed below the unmanned aerial vehicle body 1, a water pump 7 is arranged below the pesticide box 6, a pesticide cavity is arranged in the pesticide box 6, a pesticide inlet pipe 8 is arranged on the pesticide box 6, one end of the pesticide inlet pipe 8 is communicated with the pesticide cavity, the other end of the pesticide inlet pipe 8 penetrates through the unmanned aerial vehicle body 1, an end cover 9 is arranged at the other end of the pesticide inlet pipe 8, the water pump, the feeding pipe 10 extends into the medicine cavity, the discharging pipe 11 is vertically downward, the end part of the discharging pipe 11 is provided with a material spraying pipe 12, the middle part of the material spraying pipe 12 is rotatably arranged on the discharging pipe 11, two ends of the material spraying pipe 12 are provided with atomizing nozzles 13, and the atomizing nozzles 13 are arranged along the tangent line of the material spraying pipe 12 and incline downward;

be provided with holding chamber 14 in the unmanned aerial vehicle body 1, be provided with control panel 15 and lithium cell 16 in the holding chamber 14, control panel 15 is connected with the lithium cell 16 electricity, still be provided with charge mouthful 17 on the unmanned aerial vehicle body 1, it links to each other with lithium cell 16 to charge mouthful 17, control panel 15 links to each other with water pump 7.

Further, 6 belows of medical kit are provided with support frame 2, 2 bottoms of support frame are provided with buffer, buffer is by last casing 20, lower casing 21, telescopic link 22, compression spring 23, buffer block 24 and abrasion pad 19 are constituteed, go up 20 tops of casing and 2 bottom fixed connection of support frame, go up 20 inboard and casing 21 outside sliding connection down of casing, telescopic link 22 top and the inboard top middle part fixed connection of last casing 20, telescopic link 22 bottom and the inboard bottom middle part fixed connection of casing 21 down, the inside telescopic link 22 that sets up of

compression spring

23, 24 top middle parts of buffer block and 21 bottom fixed connection of casing down, 19 tops of abrasion pad and 24 bottom fixed connections of buffer block.

Further, a stirring device is arranged on the medicine box 6, the stirring device comprises a stirring motor 25, a stirring shaft 26, stirring paddles 27 and a shaft support frame 28, the stirring motor 25 is fixed on the medicine box 6, the stirring shaft 26 is transversely arranged in the medicine cavity, one end of the stirring shaft 26 extends out of the medicine cavity and is connected with a driving shaft of the stirring motor 25, the shaft support frame 28 is arranged in the medicine cavity, the other end of the stirring shaft 26 is rotatably arranged on the shaft support frame 28, the stirring paddles 27 are uniformly arranged on the stirring shaft 26, and the stirring motor 25 is connected with the control board 15.

Wherein, stirring rake 27 is provided with six, is the equidistance and arranges on (mixing) shaft 26, and (mixing) shaft 26 is the font, can effectually stir liquid medicine, makes its misce bene.

Wherein, buffer is provided with four, sets up respectively in 2 bottom four corners of support frame, can effectually carry out the shock attenuation, avoids unmanned aerial vehicle to empty because of vibrations.

Wherein, telescopic link 22 is provided with two sections, and telescopic link 22 overall height and compression spring 23 height are the same, can effectually stretch out and draw back, and telescopic link 22 connects upper housing 20 and lower casing 21, plays the fixed action, avoids upper housing 20 and lower casing 21 to separate.

The thickness of the buffer block 24 is 2.5cm, and the outer surface of the buffer block is wrapped by a layer of plastic film, so that the buffer block is convenient to further absorb shock.

The stirring motor 25 is ZYT22-22018 in model number, and has the advantages of stable operation and low energy consumption.

The type of the driving motor 5 is D4108-600KV, the rotating speed is high, the heat dissipation is fast, and the service life is long.

The wireless module is the RXB2 in model, and is fast in information receiving and transmitting and small in size.

The model E3-1230 of the control board 15 has high information processing speed and low energy consumption.

The water pump 7 is of a type KLP05-6, and is small in size, sufficient in power and long in service life.

This patent 24 materials of buffer block be the EVA bubble cotton, the bubble is cotton for short to the material that the plastic pellet was foamed, the bubble is cotton for short, the bubble is cotton to be divided into the PU bubble, prevent that static bubble is cotton, electrically conducts the bubble cotton, EPE, prevent static EPE, PORON, CR, EVA, the PE of bridging, SBR, EPDM etc. the bubble cotton has elasticity, light in weight, quick pressure-sensitive fixed, convenient to use, crooked freely, the volume is ultra-thin, a series of characteristics such as dependable performance, the characteristic: the low-pressure and good-shielding effect is achieved, the shielding effectiveness exceeds 90dB, the flexible and light-weight anti-corrosion nickel coating is elastic and light in weight, electrochemical corrosion resistance can be prevented, surface contact resistance is low, pressure-sensitive fixation is rapid, the length can be specified by a customer, a plurality of cross sections are selected, and UL-level fire prevention is achieved.

In this embodiment, an extension plate 29 is disposed on the periphery of the bottom of the discharge pipe 11, a sleeve 18 is disposed in the middle of the spray pipe 12, a clamping groove is disposed on the sleeve 18, the extension plate 29 is disposed in the clamping groove, and a material passing channel is disposed in the spray pipe 12 and connected to the atomizing nozzle 13.

The working principle is as follows: before use, firstly, a charger is externally connected with a charging port 17 to charge a lithium battery 16, after the use is finished, an upper end cover 9 of a medicine inlet pipe 8 is detached, medicine liquid and water are poured into the medicine liquid and water, then the end cover 9 is screwed, a stirring motor 25 is started, the stirring motor 25 drives a stirring shaft 26 and a stirring paddle 27 to rotate, the other end of the stirring shaft 26 is connected with a shaft support frame 28 through a shaft hole or a bearing, the stirring shaft 26 rotates on the shaft support frame 28 and stirs the medicine liquid through the stirring paddle 27 on the stirring shaft 26, so that the medicine liquid and the water are uniformly mixed, before the medicine spraying is finished, the stirring motor 25 does not need to be closed, when the medicine spraying is needed, a command signal is sent through a remote controller, the wire number is received by a wireless module and information is transmitted to a control board 15, the control board 15 enables a driving motor 5 to be started, the driving, the unmanned aerial vehicle flies up, then the control panel 15 controls the water pump 7 to start, the water pump 7 pumps the liquid medicine in the medicine box 6 through the inlet pipe 10 and conveys the liquid medicine to the outlet pipe 11, and the liquid medicine enters the atomizing nozzle 13 through the spraying pipe 12 to be sprayed out, because the atomizing nozzle 13 inclines downwards along the tangential direction, a transverse force is generated during spraying, the spraying pipe 12 is driven to rotate while spraying, the automatic rotation pesticide spraying is realized, the spraying area is wider, after the pesticide spraying is finished, the vibration generated by the descending of the unmanned aerial vehicle is transmitted to the upper shell 20, the upper shell 20 is pressed downwards, the upper shell 21 slides, the telescopic rod 22 is compressed, the compression spring 23 is also compressed, the vibration force is discharged through the bouncing of the compression spring 23 along with the bouncing of the compression spring 23, and the bottom end of the lower shell 21 is further provided with the buffer block 24 for damping, for being provided with wearing pad 19 in buffer block 24 bottom, protect buffer block 24, this design proposes agitating unit design, has solved the liquid medicine and has mixed inhomogeneous, at the problem of spraying the easy sedimentation separation of in-process.

This design provides the buffer design, and when having solved unmanned aerial vehicle descending, the shock attenuation effect is not good, easily leads to the problem that unmanned aerial vehicle emptys.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An unmanned aerial vehicle for spraying pesticides comprises an unmanned aerial vehicle body (1), four wing walls (3) and propellers (4), and is characterized in that the wing walls are radially arranged on the outer side of the unmanned aerial vehicle body (1), one end of each wing wall is fixed with the unmanned aerial vehicle body (1), the other end of each wing arm (3) is fixed with a driving motor (5), the middle parts of the propellers (4) are fixed on a driving shaft of the driving motor (5) and driven by the driving motor (5) to rotate, a pesticide box (6) is fixed below the unmanned aerial vehicle body (1), a water pump (7) is arranged below the pesticide box (6), a pesticide cavity is formed in the pesticide box (6), a pesticide inlet pipe (8) is arranged on the pesticide box (6), one end of the pesticide inlet pipe (8) is communicated with the pesticide cavity, and the other end of the pesticide inlet pipe (8) penetrates through the unmanned aerial vehicle body (1), an end cover (9) is arranged at the other end of the medicine inlet pipe (8), the water pump (7) comprises a feeding pipe (10) and a discharging pipe (11), the feeding pipe (10) extends into the medicine cavity, the discharging pipe (11) is vertically downward, a material spraying pipe (12) is arranged at the end part of the discharging pipe (11), the middle part of the material spraying pipe (12) is rotatably arranged on the discharging pipe (11), atomizing nozzles (13) are arranged at the two ends of the material spraying pipe (12), and the atomizing nozzles (13) are arranged along the tangent line of the material spraying pipe (12) and incline downward;

be provided with holding chamber (14) in unmanned aerial vehicle body (1), be provided with control panel (15) and lithium cell (16) in holding chamber (14), control panel (15) are connected with lithium cell (16) electricity, still be provided with charge mouth (17) on unmanned aerial vehicle body (1), charge mouth (17) and lithium cell (16) link to each other, control panel (15) link to each other with water pump (7).

2. An unmanned aerial vehicle for spraying pesticides as claimed in claim 1, wherein: medicine-box (6) below is provided with support frame (2), support frame (2) bottom is provided with buffer, buffer is by last casing (20), casing (21) down, telescopic link (22), compression spring (23), buffer block (24) and abrasion pad (19) are constituteed, go up casing (20) top and support frame (2) bottom fixed connection, go up casing (20) inboard and casing (21) outside sliding connection down, telescopic link (22) top and last casing (20) inboard top middle part fixed connection, telescopic link (22) bottom and casing (21) inboard bottom middle part fixed connection down, compression spring (23) inside sets up telescopic link (22), buffer block (24) top middle part and casing (21) bottom fixed connection down, abrasion pad (19) top and buffer block (24) bottom fixed connection.

3. An unmanned aerial vehicle for spraying pesticides as claimed in claim 2, wherein: the number of the buffer devices is four, and the four buffer devices are respectively arranged at four corners of the bottom end of the support frame (2).

4. An unmanned aerial vehicle for spraying pesticides as claimed in claim 3, wherein: the telescopic rod (22) is provided with two sections, and the total height of the telescopic rod (22) is the same as that of the compression spring (23).

5. An unmanned aerial vehicle for spraying pesticides as claimed in claim 1, wherein: be provided with agitating unit on medical kit (6), agitating unit includes agitator motor (25), (mixing) shaft (26), stirring rake (27) and axle support frame (28), agitator motor (25) are fixed on medical kit (6), agitator shaft (26) transversely set up in the medicine intracavity, and the one end of (mixing) shaft (26) stretches out the medicine chamber and with agitator motor (25) drive shaft connection, axle support frame (28) set up in the medicine intracavity, the setting of the other end shell pivoted of (mixing) shaft (26) is on axle support frame (28), the even setting of stirring rake (27) is on (mixing) shaft (26), agitator motor (25) link to each other with control panel (15).

6. An unmanned aerial vehicle for spraying pesticides as claimed in claim 1, wherein: six stirring rake (27) are provided, are the equidistance and arrange on (mixing) shaft (26), and (mixing) shaft (26) are the line.