WO2021134964A1

WO2021134964A1 - Pesticide spraying device for unmanned aerial vehicle for plant protection

Info

Publication number: WO2021134964A1
Application number: PCT/CN2020/083226
Authority: WO
Inventors: 陈乐春
Original assignee: 江苏数字鹰科技股份有限公司
Priority date: 2019-12-31
Filing date: 2020-04-03
Publication date: 2021-07-08
Also published as: CN211766314U

Abstract

Disclosed is a pesticide spraying device for an unmanned aerial vehicle for plant protection. The pesticide spraying device comprises an unmanned aerial vehicle body (1), wherein a locking assembly (3) is arranged on a pan-tilt at the bottom of the unmanned aerial vehicle body (1), a pesticide storage barrel (5) is fixedly installed below the locking assembly (3), the locking assembly (3) is jointly composed of a connecting disc (16) which is fixed to the bottom end of the unmanned aerial vehicle body (1) and a hoop (21) which is bound in the top end of the pesticide storage barrel (5), a cylinder (18) is welded to an outer wall of the bottom of the connecting disc (16), several insertion holes (20) are provided in an outer wall of the cylinder (18), a cylinder plug (19) inserted into a port of the pesticide storage cylinder (5) is welded to an outer wall of the bottom of the cylinder (18), and several pin columns (22) are welded to a side wall of the hoop (21). By means of providing the hoop, and the connecting disc which is fixedly installed at the bottom of an unmanned aerial vehicle, the pesticide storage barrel is stably fixed below the unmanned aerial vehicle, and also the pesticide storage barrel can be conveniently detached from the unmanned aerial vehicle, and a pesticide liquid can be conveniently supplemented into the pesticide storage barrel in a timely manner.

Description

Medicine spraying device for plant protection drone

Technical field

The utility model relates to the technical field of drones, in particular to a medicine spraying device for plant protection drones.

Background technique

In recent years, the UAV industry in my country has developed rapidly, and the application of civilian UAVs in particular has far surpassed other countries. Among them, plant protection drones have quietly entered my country's agriculture and forestry, and silently changed our traditional production methods. Plant protection UAV is an unmanned aircraft used for agricultural and forestry plant protection operations. This type of unmanned aircraft is composed of a flying platform (fixed-wing, single-rotor, multi-rotor), GPS flight control, and spraying mechanism. It is remotely controlled by the ground. Or GPS flight control, to achieve spraying operation, you can spray medicine, seeds, powder, etc.

Nowadays, plant protection drones have encountered new problems when spraying medicines. After the drones carry the medicine barrels to spray medicines, the inside of the medicine barrels needs to be filled with medicines. The existing methods of dosing are cumbersome and need to be used. Components such as mixers, auxiliary barrels, and feeding pumps invisibly increase the cost of using drones to spray drugs, which brings a high economic burden to people and is inconvenient for spraying drugs. Therefore, it is urgent to design a medicine spraying device for plant protection drones to solve the above problems.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and proposes a medicine spraying device for plant protection drones.

In order to achieve the above purpose, the present utility model adopts the following technical solutions:

A medicine spraying device for plant protection drones includes a drone body. A lock assembly is provided on the pan/tilt at the bottom of the drone body, and a medicine storage cylinder is fixedly installed under the lock assembly. The locking assembly is composed of a connecting plate fixed at the bottom end of the drone body and a clamp tied inside the top end of the cartridge. The outer wall of the bottom of the connecting plate is welded with a column, and the outer wall of the column is opened A number of sockets, a cylinder plug inserted into the port of the cartridge is welded on the outer wall of the bottom of the cylinder, a number of pins are welded on the side wall of the clamp, and the end of the clamp is welded There are two mating projections, a locking screw for fixing is arranged between the two projections, a plurality of through holes are opened on the outer wall of the top of the storage cylinder, and the pin is inserted into the through hole and the socket internal.

Further, a warning light is fixed on the outer wall of the top of the drone body by bolts, and an electronic liquid level gauge connected to the warning light via a processor is provided on the medicine storage cylinder.

Further, a boom is welded on the legs at the bottom of the drone body, and a liquid distribution tube is welded on the outer wall of the bottom end of the boom, and the outer wall of the bottom of the liquid distribution tube is provided with spray nozzles distributed in an equidistant ring shape. .

Further, the edge of the outer wall of the bottom of the connecting plate is provided with threaded holes distributed in an equidistant ring shape, and the inside of the threaded hole is inserted with long screws for connecting with the drone body.

Further, the clamp is divided into a two-stage structure.

Further, an integral medicine hopper is welded on the outer wall of the bottom end of the medicine hopper, and a water pump is fixed inside the medicine hopper, and an infusion tube connected to the liquid distribution tube is welded on the outer wall of the medicine hopper. , And the infusion tube is provided with a solenoid valve controlled by the controller.

Further, the inner wall of the top of the storage cartridge is provided with a frosted layer, and the depth of the frosted layer is adapted to the thickness of the plug.

The beneficial effects of the utility model are:

1. With the clamp set and the connecting plate fixedly installed at the bottom of the drone, the cartridge can be more stably fixed under the drone, and at the same time it is convenient for people to remove the cartridge from the drone for the convenience of people Replenish the liquid medicine to the inside of the cartridge in time.

2. Adopt the detachable structure of the storage cartridge. After the storage cartridge is disassembled, the existing agitator can be used to directly mix and stir the liquid medicine inside the storage cartridge. After the liquid medicine is mixed, it can be used directly The lock assembly can install the cartridge at the bottom of the drone. You only need to prepare two cartridges, one of which is installed under the drone, and the other is a spare cartridge to solve the problem. There is a problem of cumbersome way of adding medicine in technology.

3. The electronic liquid level gauge is used to detect the liquid medicine inside the cartridge in real time, and the detected data is transmitted to the processor. The processor judges the time for adding the medicine to the cartridge, and uses the warning light to convey the addition to people. The pesticide signal improves the efficiency of using drones to spray pesticides.

Description of the drawings

Figure 1 is a schematic structural diagram of a medicine spraying device for plant protection drones proposed by the utility model.

Figure 2 is a schematic diagram of the lock assembly structure of a medicine spraying device for plant protection drones proposed by the utility model.

Figure 3 is a schematic diagram of the medicine storage cylinder structure of a medicine spraying device for plant protection drones proposed by the utility model.

Figure 4 is a schematic diagram of the connecting plate structure of a drug spraying device for plant protection drones proposed by the utility model.

Figure 5 is a schematic diagram of the clamp structure of a medicine spraying device for plant protection drones proposed by the utility model.

In the picture: 1 drone body, 2 warning lights, 3 locking components, 4 legs, 5 cartridges, 6 booms, 7 liquid pipes, 8 nozzles, 9 frosted layers, 10 vias, 11 electronic liquid Position indicator, 12 medicine bucket, 13 water pump, 14 infusion tube, 15 solenoid valve, 16 connecting plate, 17 long screw, 18 cylinder, 19 cylinder plug, 20 jack, 21 clamp, 22 pin, 23 bump, 24 Locking screw.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present utility model.

It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or a centered component may also exist. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a centered component at the same time. When a component is considered to be "installed on" another component, it can be directly installed on another component or a centered component may exist at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the present utility model. The term "and/or" as used herein includes any and all combinations of one or more related listed items.

Please refer to Figures 1 to 5, a medicine spraying device for plant protection drones, including a drone body 1, a pan/tilt at the bottom of the drone body 1 is provided with a locking component 3, and the locking component 3 The storage cartridge 5 is fixedly installed below the drone body 1, and the storage cartridge 5 is installed under the drone body 1 through the locking assembly 3. The locking assembly 3 is fixed by the connecting plate 16 fixed on the bottom end of the drone body 1 and bound to The clamp 21 inside the top end of the cartridge 5 is formed together. Through the clamp 21, the cartridge 5 can be fixed on the connecting plate 16, and it is convenient to disassemble the cartridge 5 from it, making use of people's timely replenishment of the liquid medicine. , A cylinder 18 is welded on the outer wall at the bottom of the connecting plate 16, and a plurality of insertion holes 20 are opened on the outer wall of the cylinder 18, and a cylinder plug 19 inserted into the port of the cartridge 5 is welded on the outer wall of the cylinder 18 , The cylinder 19 and the plunger 19 are inserted into the top of the cartridge 5 together to achieve a good sealing effect on the cartridge 5, the side wall of the clamp 21 is welded with a number of pins 22, clamp 21 Two matching projections 23 are welded on the ends of the two projections 23, a locking screw 24 for fixing is arranged between the two projections 23, a plurality of through holes 10 are opened on the outer wall of the top end of the storage cylinder 5, and the pin The post 22 is inserted into the through hole 10 and the insertion hole 20, and the pin 22 is inserted into the through hole 10 and the insertion hole 20 at the same time, so as to realize the fixed suspension of the cartridge 5 under the connecting plate 16.

A warning light 2 is fixed on the outer wall of the top of the drone body 1 by bolts, and an electronic liquid level gauge 11 connected to the warning light 2 by a processor is provided on the cartridge 5. The processor is commonly used on existing drones. Components, the model of the electronic level gauge 11 is UHZ series, the electronic level gauge 11 detects the liquid medicine inside the cartridge 5 in real time, and transmits the detected data to the processor, and the processor judges the cartridge 5 The time of dosing, and the warning light 2 is used to transmit dosing signals to people.

A boom 6 is welded on the leg 4 at the bottom of the drone body 1, and a liquid distribution tube 7 is welded on the outer wall of the bottom end of the boom 6, and the outer wall of the bottom of the liquid distribution tube 7 is provided with nozzles 8 distributed in an equidistant ring shape. , The circular structure of the liquid distribution tube 7 makes the spraying of the medicine more uniform and achieves the desired effect.

The edge of the bottom outer wall of the connecting plate 16 is provided with threaded holes distributed in an equidistant ring shape, and the inside of the threaded hole is inserted with a long screw 17 for connecting with the drone body 1, and the connecting plate 16 is fixed by the long screw 17 Below the drone body 1, it is convenient to install the cartridge 5.

The clamp 21 is divided into a two-segment structure. The locking screw 24 can be used to lock the two-segment clamp 21, thereby effectively fixing the cartridge 5 under the drone body 1 to ensure the storage. The stability of the medicine cartridge 5 when it is carried by an unmanned aerial vehicle realizes the purpose of better medicine spraying.

The outer wall of the bottom end of the medicine storage cylinder 5 is welded with an integral medicine hopper 12, and the inside of the medicine hopper 12 is fixedly provided with a water pump 13, the model of the water pump 13 is FL-2203A, and the outer wall of the medicine hopper 12 is welded with a cloth The infusion tube 14 connected with the liquid tube 7 is provided with a solenoid valve 15 controlled by a controller. The controller is a common component of the existing drones. The control handle is controlled by the ground end of the drone body 1. Send an instruction to the drone to start the water pump 13, so that the device 13 transports the medicine in the medicine storage cylinder 5 to the inside of the liquid distribution tube 7 through the infusion tube 14 and sprays it from the nozzle 8 to realize the use of drone medicine The purpose of spraying.

A frosted layer 9 is provided on the inner wall of the top end of the storage cylinder 5, and the depth of the frosted layer 9 is adapted to the thickness of the cylinder plug 19, so that the cylinder 18 and the cylinder plug 19 can be inserted into the storage cylinder 5 more reliably. , The stability of the storage cartridge 5 when installed under the drone body 1 is improved.

The working principle of the utility model is as follows: when in use, the operator uses the locking assembly 3 to install the medicine storage cylinder 5 under the pan/tilt at the bottom of the drone body 1, so as to use the drone body 1 to take off to realize the medicine in the crops. The specific steps of spraying and locking assembly 3 are as follows: first, the operator fixes the connecting plate 16 under the drone body 1 with a long screw 17, and the operator mixes the pesticide inside the medicine storage barrel 5, and at the same time During the mixing process, the mixer in the prior art can be used for auxiliary mixing. After the medicine is mixed, the operator places the medicine storage cylinder 5 under the drone body 1, and sets the cylinder plug 19 and the cylinder 18 They are inserted into the inside of the top end of the cartridge 5 together, and then the operator uses two half-ring clamps 21 to be placed on both sides of the cartridge 5 respectively, and a fixed structure is formed between the two clamps 21 by a locking screw 24 At the same time, the pin 22 is inserted into the through hole 10 and the socket 20 to realize the locking of the cartridge 5 under the connecting plate 16 and achieve a good sealing effect, so that when the drone body 1 takes off, it can With the medicine storage cylinder 5 hovering in the control, the water pump 13 can be activated by the ground remote control on the drone body 1, so that the water pump 13 transports the liquid medicine inside the medicine storage cylinder 5 to the inside of the liquid distribution pipe 7 through the infusion tube 14 , And spray evenly from the nozzle 8 to realize the spraying of plant medicine.

The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited to this. Anyone familiar with the technical field within the technical scope disclosed by the present utility model, according to the present utility model The technical solution of the new type and its utility model concept with equivalent replacements or changes shall be covered by the scope of protection of the present utility model.

Claims

A medicine spraying device for plant protection drones, comprising a drone body (1), characterized in that a locking component (3) is provided on the pan/tilt at the bottom of the drone body (1), and A storage cartridge (5) is fixedly installed under the locking assembly (3). The locking assembly (3) consists of a connecting plate (16) fixed at the bottom end of the drone body (1) and tied to the storage cartridge ( 5) The clamps (21) inside the top end are formed together, the outer wall of the bottom of the connecting plate (16) is welded with a column (18), and the outer wall of the column (18) is provided with a number of sockets (20) A cylinder plug (19) inserted into the port of the cartridge (5) is welded on the outer wall at the bottom of the cylinder (18), and a number of pins (22) are welded on the side wall of the clamp (21). ), the end of the clamp (21) is welded with two mating projections (23), a locking screw (24) for fixing is arranged between the two projections (23), the storage A plurality of through holes (10) are opened on the outer wall of the top of the cartridge (5), and the pin (22) is inserted in the through hole (10) and the socket (20).
A medicine spraying device for plant protection drones according to claim 1, wherein the outer wall of the top of the drone body (1) is fixed with a warning light (2) by bolts, and the storage An electronic liquid level gauge (11) connected with a warning light (2) via a processor is arranged on the medicine cartridge (5).
The medicine spraying device for plant protection drones according to claim 1, characterized in that a boom (6) is welded on the legs (4) at the bottom of the drone body (1), and A liquid distributing pipe (7) is welded on the outer wall of the bottom end of the boom (6), and the outer wall of the bottom of the liquid distributing pipe (7) is provided with spray nozzles (8) distributed equidistantly in an annular shape.
The medicine spraying device for plant protection drones according to claim 1, characterized in that, the edge of the outer wall of the bottom of the connecting plate (16) is provided with threaded holes distributed in an equidistant ring shape, and the threaded holes A long screw (17) for connecting with the drone body (1) is inserted into the inside of the drone.
The medicine spraying device for plant protection drones according to claim 1, wherein the clamp (21) is divided into a two-stage structure.
The medicine spraying device for plant protection drones according to claim 1, characterized in that an integral medicine bucket (12) is welded on the outer wall of the bottom end of the medicine storage cylinder (5), and the medicine bucket (12) is fixedly provided with a water pump (13) inside, and an infusion tube (14) connected to the liquid distribution tube (7) is welded on the outer wall of one side of the medicine hopper (12), and the infusion tube (14) is A solenoid valve (15) controlled by a controller is provided.
The medicine spraying device for plant protection drones according to claim 1, wherein the inner wall of the top end of the medicine storage barrel (5) is provided with a frosted layer (9), and the frosted layer (9) The depth is adapted to the thickness of the plug (19).