CN215098284U

CN215098284U - Agricultural plant protection unmanned aerial vehicle sprinkler

Info

Publication number: CN215098284U
Application number: CN202120292316.8U
Authority: CN
Inventors: 凡启康; 梅娟娟; 马立新
Original assignee: Jiangsu Jiufei Intelligent Technology Co ltd
Current assignee: Jiangsu Jiufei Intelligent Technology Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-12-10
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses an agricultural plant protection unmanned aerial vehicle spraying device, which relates to the field of crop cultivation, and comprises a machine body, wherein the lower end of the machine body is connected with a fixed plate through a thread, the upper end of the fixed plate is fixedly connected with a threaded shaft, the lower end of the fixed plate is fixedly connected with supporting legs, the lower end of the fixed plate is fixedly connected with a medicine box, one side surface of the medicine box is provided with a medicine inlet, the lower end of the medicine chest is fixedly connected with a spray head fixing plate, the lower end of the spray head fixing plate is connected with a spray head through threads, the lower end of the fixing plate is fixedly connected with an air bag which is arranged in the medicine chest, the lower end of the air bag is fixedly connected with a sealing plate, the sealing plate is connected with the inner wall of the medicine box in a sliding way, the upper end of the fixing plate is fixedly connected with a micro air pump, the fixing plate is provided with air holes, the micro air pump is communicated with the air bag through the air holes, its advantage has can avoid liquid medicine to rock in flight process and increase the initial velocity when liquid medicine blowout and improve the coverage of liquid medicine spraying.

Description

Agricultural plant protection unmanned aerial vehicle sprinkler

Technical Field

The utility model relates to a crops are bred, specifically are relate to an agricultural plant protection unmanned aerial vehicle sprinkler.

Background

Plant protection unmanned aerial vehicle, also called unmanned vehicles, as the name implies is the unmanned aircraft who is used for agriculture and forestry plant protection operation, and 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..

As a big agricultural country, China needs a large amount of agricultural plant protection operation every year in 18 hundred million mu of basic farmlands, the number of people suffering from pesticide poisoning in China is 10 ten thousand every year, the fatality rate is about 20%, and the number of people dying of illness caused by pesticide residue and pollution is not officially counted up to now and is supposed to be a remarkable number.

The unmanned small helicopter has the advantages of low operation height, less drift, capability of hovering in the air, no need of a special take-off and landing airport, capability of increasing the penetrability of fog flow to crops due to downward airflow generated by the rotor wing, high prevention and control effect, remote control operation, capability of avoiding the danger of pesticide exposure of spraying operation personnel, and improvement on the safety of spraying operation and the like. In addition, the spraying mode adopted by the spraying technology of the electric unmanned helicopter can save the pesticide usage by at least 50 percent and the water usage by 90 percent, thereby greatly reducing the resource cost. The mode that sprays with unmanned aerial vehicle has significantly reduced the contact risk that personnel's gathering brought, and electric unmanned aerial vehicle moves with oil and compares, and overall size is little, light in weight, and depreciation rate is lower, unit operation cost of labor is not high, easy maintenance.

And current most agricultural plant protection unmanned aerial vehicle of majority is spraying the during operation, and the liquid medicine in the medical kit takes place to rock under inertial effect easily, and then influences unmanned aerial vehicle's flight orbit, has reduced unmanned aerial vehicle's the crash that still easily arouses unmanned aerial vehicle when spraying efficiency, and the liquid medicine coverage that the shower nozzle sprayed simultaneously is also big inadequately, has improved plant protection and has flown to prevent the working strength of service staff.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned technical problem, provide and an agricultural plant protection unmanned aerial vehicle sprinkler, most agricultural plant protection unmanned aerial vehicle that this technical scheme is current is spraying the during operation, liquid medicine in the medical kit is easy and take place to rock under inertial effect, and then influence unmanned aerial vehicle's flight orbit, still easily arouse falling of unmanned aerial vehicle when having reduced unmanned aerial vehicle's the efficiency of spraying, cause equipment to damage, the liquid medicine coverage that the shower nozzle sprayed simultaneously is also big inadequately, the problem of plant protection flight protection service staff's working strength has been improved to the change mutually.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides an agricultural plant protection unmanned aerial vehicle sprinkler, includes the organism, the organism lower extreme has the fixed plate through threaded connection, fixed plate upper end fixedly connected with screw shaft, fixed plate lower extreme fixedly connected with supporting legs, fixed plate lower extreme fixedly connected with medical kit, the medicine mouth is seted up to medical kit a side, medical kit lower extreme fixedly connected with shower nozzle fixed plate, shower nozzle fixed plate lower extreme has the shower nozzle through threaded connection, fixed plate lower extreme fixedly connected with gasbag, the gasbag sets up in the medical kit, gasbag lower extreme fixedly connected with closing plate, the inner wall sliding connection of closing plate and medical kit.

Preferably, the miniature air pump is an air pumping and exhausting integrated air pump, the upper end of the fixing plate is fixedly connected with the miniature air pump, the fixing plate is provided with air holes, and the miniature air pump is communicated with the air bag through the air holes.

Preferably, the number of the spray head fixing plates is at least two, the plurality of spray head fixing plates are symmetrically arranged at the lower end of the medicine chest, the number of the spray heads is at least eight, and at least four spray heads are arranged at the lower end of each spray head fixing plate.

Preferably, the lower end of each supporting leg is provided with a sliding chute, the upper end of each sliding chute is fixedly connected with a spring, the natural length of each spring is smaller than the depth of each sliding chute, the lower end of each spring is fixedly connected with a buffering leg, and the number of the supporting legs is four, and the four supporting legs are symmetrically arranged at four corners of the fixing plate.

The utility model has the advantages that: when the agricultural plant protection unmanned aerial vehicle is used for plant protection flying prevention work, the air pump is started to slowly inflate the air bag, the air bag exerts thrust force on the sealing plate downwards in the inflating process, so that the sealing plate is tightly attached to the surface of the liquid medicine, thereby preventing the liquid medicine from shaking due to the inertia effect in the flight process of the unmanned aerial vehicle, thereby influencing the flight track of the unmanned aerial vehicle, improving the spraying efficiency of the unmanned aerial vehicle by improving the stability of the liquid medicine in the flight process, meanwhile, the unmanned aerial vehicle can fly more safely, meanwhile, the air bag applies certain pressure to the liquid medicine through the sealing plate in the inflating process, and then improved the initial velocity of liquid medicine when the blowout shower nozzle, and then made the coverage that liquid medicine sprayed bigger, in addition, the medical kit both sides all are provided with the shower nozzle, further improvement the scope that liquid medicine sprayed, greatly reduced the working strength that plant protection flies to prevent service staff.

Drawings

Fig. 1 is a schematic perspective view of a spraying device of an agricultural plant protection unmanned aerial vehicle according to the present invention;

fig. 2 is a front view of an agricultural plant protection unmanned aerial vehicle spraying device provided by the utility model;

fig. 3 is a left side view of the agricultural plant protection unmanned aerial vehicle spraying device provided by the utility model;

fig. 4 is a cross-sectional view taken along line a-a of fig. 3 in accordance with the present invention;

fig. 5 is a schematic structural view of the buffering device of the middle supporting leg of the present invention.

The reference numbers in the figures are:

1. a body; 2. a fixing plate; 3. a threaded shaft; 4. supporting legs; 401. a buffer pin; 402. a spring; 403. A chute; 5. a medicine chest; 6. a spray head; 7. a drug feeding port; 8. a micro air pump; 9. a nozzle fixing plate; 10. an air bag; 11. a sealing plate; 12. and (4) air holes.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-3, an agricultural plant protection unmanned aerial vehicle spraying device comprises a machine body 1, the machine body 1 is a flying device, plant protection flying personnel can operate the area needing to spray medicine by controlling the flying of the machine body 1, the lower end of the machine body 1 is connected with a fixed plate 2 through a thread, the upper end of the fixed plate 2 is fixedly connected with a threaded shaft 3, the fixed plate 2 is fixedly connected on the machine body 1 through the threaded shaft 3, when a medicine box 5 is damaged and needs to be replaced, the fixed plate 2 is only required to be unscrewed from the machine body 1, the lower end of the fixed plate 2 is fixedly connected with four supporting legs 4, the four supporting legs 4 are symmetrically arranged at the four corners of the fixed plate 2, when the unmanned aerial vehicle falls to the ground, the supporting legs 4 play a supporting role on the unmanned aerial vehicle to protect the medicine box 5 from directly contacting the ground and being damaged, the lower end of the fixed plate 2 is fixedly connected with the medicine box 5, set up a 5 side of medical kit and throw medicine mouth 7, when unmanned aerial vehicle need add liquid medicine, can be directly through throwing medicine mouth 7 directly add medicine in to

medical kit

5, 5 lower extreme fixedly connected with shower nozzle fixed plate 9 of medical kit, shower nozzle fixed plate 9 has two, a plurality of shower nozzle fixed plate 9 symmetries set up the lower extreme at medical kit 5, shower nozzle fixed plate 9 lower extreme has shower nozzle 6 through threaded connection, medical kit 5 lower extreme both sides all are provided with shower nozzle 6, the direct coverage of shower nozzle 6 spun spraying that has increased, unmanned aerial vehicle's the efficiency of spraying has been increased, all be provided with four shower nozzles 6 on each shower nozzle fixed plate 9, the concentration of the liquid medicine spraying of spraying within the range has been improved, make the prevention and cure effect of liquid medicine better, unmanned aerial vehicle flight has been reduced the number of times of spraying.

Referring to fig. 4, an air bag 10 is fixedly connected to the lower end of a fixing plate 2, the air bag 10 is arranged in a medicine box 5, a sealing plate 11 is fixedly connected to the lower end of the air bag 10, the sealing plate 11 is connected to the inner wall of the medicine box 5 in a sliding manner, a miniature air pump 8 is fixedly connected to the upper end of the fixing plate 2, an air hole 12 is formed in the fixing plate 2, the miniature air pump 8 is communicated with the air bag 10 through the air hole 12, the miniature air pump 8 is an air pumping and exhausting integrated air pump, when the unmanned aerial vehicle sprays, the air bag 10 is inflated by the miniature air pump 8, certain thrust is applied to the sealing plate 11 in the inflating process by the air bag 10, the sealing plate 11 is tightly attached to the surface of liquid medicine, and then the liquid medicine is prevented from shaking due to inertia in the spraying process, the stability and safety of the unmanned aerial vehicle in the flying and spraying process are improved, the falling probability of the unmanned aerial vehicle is reduced, and meanwhile, certain pressure is applied to the liquid medicine by the sealing plate 11 in the inflating process by the air bag 10, the pressure inside the liquid medicine is increased, and then the liquid medicine can obtain higher initial speed when being sprayed out by the spray head 6, so that the spraying coverage area of the liquid medicine sprayed out by the spray head 6 is larger, the spraying efficiency of the unmanned aerial vehicle is increased, the working strength of plant protection flight protection service workers is reduced, the air bag 10 is pumped by the micro air pump when the liquid medicine is added, the air pressure inside the air bag 10 is reduced, so that the sealing plate 11 is moved to the position, close to the top, of the medicine box 5 under the action of atmospheric pressure, and the medicine feeding position of the medicine feeding port 7 on the medicine box 5 is in a position with a lower middle part, so that the medicine can be directly fed to the medicine box through the medicine feeding port 7;

the miniature air pump 8 is a well-known technology widely used in daily life, and the miniature air pump 8 adopted by the device is an air pumping and inflating integrated air pump, which is of the type PCF 5015N.

Referring to fig. 5, spout 403 is seted up to the lower extreme of supporting legs 4, spout 403 upper end fixedly connected with spring 402, and the natural length of spring 402 is less than the degree of depth of spout 403, and lower extreme fixedly connected with buffering foot 401 of spring 402, when unmanned aerial vehicle fell to the ground, buffering foot 401 contacted ground earlier, and then cushioned the unmanned aerial vehicle process of falling to the ground through compression spring 402 to direct and ground collision resulted in unmanned aerial vehicle to take place to damage when avoiding unmanned aerial vehicle to fall to the ground.

To sum up, the utility model has the advantages that: retrain liquid medicine through gasbag 10 and closing plate 11, avoided liquid medicine to take place to rock and influence unmanned aerial vehicle's flight spraying the in-process, spray the in-process simultaneously and exert certain pressure to liquid medicine and make liquid medicine initial velocity when being spout shower nozzle 6 bigger, and then increased the coverage that liquid medicine sprayed, improved unmanned aerial vehicle's the efficiency of spraying.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an agricultural plant protection unmanned aerial vehicle sprinkler which characterized in that: comprises a machine body (1), the lower end of the machine body (1) is connected with a fixed plate (2) through threads, the upper end of the fixed plate (2) is fixedly connected with a threaded shaft (3), the lower end of the fixed plate (2) is fixedly connected with a supporting leg (4), a medicine box (5) is fixedly connected at the lower end of the fixed plate (2), a medicine feeding opening (7) is formed in one side surface of the medicine box (5), the lower end of the medicine box (5) is fixedly connected with a spray head fixing plate (9), the lower end of the spray head fixing plate (9) is connected with a spray head (6) through threads, the lower end of the fixed plate (2) is fixedly connected with an air bag (10), the air bag (10) is arranged in the medicine box (5), the lower end of the air bag (10) is fixedly connected with a sealing plate (11), the sealing plate (11) is connected with the inner wall of the medicine box (5) in a sliding mode, and the upper end of the fixing plate (2) is fixedly connected with a miniature air pump (8).

2. An agricultural plant protection unmanned aerial vehicle sprinkler according to claim 1, characterized in that: the miniature air pump (8) is an air pumping and exhausting integrated air pump, the fixing plate (2) is provided with an air hole (12), and the miniature air pump (8) is communicated with the air bag (10) through the air hole (12).

3. An agricultural plant protection unmanned aerial vehicle sprinkler according to claim 1, characterized in that: the number of the spray head fixing plates (9) is at least two, the spray head fixing plates (9) are symmetrically arranged at the lower end of the medicine box (5), the number of the spray heads (6) is at least eight, and at least four spray heads (6) are arranged at the lower end of a single spray head fixing plate (9).

4. An agricultural plant protection unmanned aerial vehicle sprinkler according to claim 1, characterized in that: the lower extreme of supporting legs (4) is seted up spout (403), spout (403) upper end fixedly connected with spring (402), the natural length of spring (402) is less than the degree of depth of spout (403), the lower extreme fixedly connected with buffering foot (401) of spring (402), supporting legs (4) have four, four supporting legs (4) symmetry sets up the four corners at fixed plate (2).