CN111559506A

CN111559506A - A many rotor unmanned aerial vehicle for agricultural expelling

Info

Publication number: CN111559506A
Application number: CN202010463175.1A
Authority: CN
Inventors: 褚强; 李强
Original assignee: Shanghai Huibi Yunhan Aviation Technology Co ltd
Current assignee: Shanghai Huibi Yunhan Aviation Technology Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-08-21
Anticipated expiration: 2040-05-27
Also published as: CN111559506B

Abstract

The invention relates to a multi-rotor unmanned aerial vehicle for agricultural expelling, which comprises an unmanned aerial vehicle body and a plurality of rotors uniformly distributed around the unmanned aerial vehicle body, wherein the rotors are supported on the unmanned aerial vehicle body through a horn; the unmanned aerial vehicle fuselage is provided with the arm that receive and releases that can receive and release all around, the front end of receiving and releasing the arm is provided with places the chamber, place the medicine that the chamber is used for placing the agricultural expulsion, under drive arrangement's drive, receive and release the arm and can draw in and hug closely in the unmanned aerial vehicle fuselage or expand from the unmanned aerial vehicle fuselage, under the expansion state, receive and release the chamber of placing of arm front end and be located the side below of unmanned aerial vehicle rotor. The unmanned aerial vehicle rotor wing type drug smell rapid diffusion device is simple in structure, the drug smell of the drug is rapidly diffused by utilizing the downward airflow of the unmanned aerial vehicle rotor wing, and a good expelling effect can be achieved in agriculture.

Description

A many rotor unmanned aerial vehicle for agricultural expelling

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a multi-rotor unmanned aerial vehicle for agricultural expelling.

Background

With the increasing awareness of the environment for human protection, more and more birds and insects are protected, however, for modern agriculture, too many birds and insects are a threat to crops, and with seasonal migration, groups of birds and insects bite on agriculture and are a hazard for agricultural harvest.

At present, the commonly used expelling method in agriculture includes placing the scarecrow in the farmland, spraying the pesticide for expelling the insects, or expelling the insects by sound in the mode of firing bamboo shells. However, the above methods all have certain defects, the straw man is placed in the farmland fixedly, the expelling range is limited, and the effect is not good; spraying pesticides can cause additional damage to agricultural products on one hand and can harm the environment on the other hand; the firing of bamboo projectiles also causes noise pollution and can only be effective for a short period of time.

And along with the development of unmanned aerial vehicle technique, unmanned aerial vehicle also has the wide application in the agricultural, also has at present to carry out the mode that the agricultural eviction was carried out through unmanned aerial vehicle, for example through the combination of unmanned aerial vehicle glazing, sound or directly spray medicine etc.. However, the above methods also have problems such as noise pollution to the environment and crop damage, and have limitations. In addition, animals are also repelled by smells at present, but the position of the animals is relatively fixed, and the repellent effect is limited.

Disclosure of Invention

The present invention aims to provide a multi-rotor drone for agricultural expulsion, which solves the above-mentioned problems of the background art, or at least partially improves the above-mentioned problems, and which is capable of better expelling birds or insects in agriculture.

The invention is realized by the following technical scheme:

the invention provides a multi-rotor drone for agricultural eviction, the drone comprising: the unmanned aerial vehicle comprises an unmanned aerial vehicle body and a plurality of rotor wings which are uniformly distributed on the periphery of the unmanned aerial vehicle body, wherein the rotor wings are supported on the unmanned aerial vehicle body through a horn; the unmanned aerial vehicle fuselage still is provided with the arm that receive and releases that can receive and release all around, the front end of receiving and releasing the arm is provided with places the chamber, place the chamber and be used for placing the medicine of agricultural expulsion, the rear end of receiving and releasing the arm articulates in unmanned aerial vehicle's fuselage, under drive arrangement's drive, receive and release the arm and can draw in and paste in the unmanned aerial vehicle fuselage or expand from the unmanned aerial vehicle fuselage, under the expansion state, receive and release placing the chamber that the arm front end is located the side below of rotor to can utilize the downdraft messenger of rotor to place the quick diffusion of medicine of intracavity.

Furthermore, the driving device comprises a large gear positioned in the middle of the machine body and a plurality of small gears which are positioned on the periphery of the large gear and meshed with the large gear, the number of the small gears is consistent with that of the retractable arms, and the small gears are fixedly connected with the rear ends of the retractable arms, so that the small gears are driven to synchronously rotate under the action of the large gear, and the retractable arms are synchronously unfolded or folded from the machine body to the machine body; wherein the gearwheel is driven by a motor.

Further, the placing cavity is used for placing the expulsion medicine, and a plurality of air flow holes are formed in the peripheral wall of the placing cavity.

Further, the medicine is solid particles or powder, and can be placed in breathable gauze.

Further, the retractable arms and the machine arms are evenly arranged on the periphery of the unmanned aerial vehicle body in a staggered mode on the horizontal projection plane, the retractable arms are arc-shaped, arc-shaped grooves are formed in the positions, attached to the retractable arms, of the unmanned aerial vehicle body, and the retractable arms can be retracted into the grooves when the retractable arms are in a folded state.

Furthermore, the number of the rotor wings and the number of the retractable arms are 4.

Further, the lower part of unmanned aerial vehicle fuselage still is provided with the foot rest.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the expelling medicine is placed on the multi-rotor unmanned aerial vehicle, and the multi-rotor unmanned aerial vehicle has the characteristics of rapidness and flexibility, the medicine flavor of the medicine is only useful for birds and insects, the harm to the environment and crops is small, and the smell can last for a certain time in the air, so that a better expelling effect can be achieved in agriculture.

2. According to the unmanned aerial vehicle, the retractable arms are arranged, so that the retractable arms can be folded or unfolded on the unmanned aerial vehicle body, the medicine is located below the side of the rotor wing in the unfolded state, the medicine flavor of the medicine is rapidly diffused by the aid of airflow of the rotor wing, and the expelling effect is good.

3. According to the invention, through the arrangement of the large gear and the small gear and the driving of the motor, the plurality of retracting arms can be synchronously unfolded and folded, and the self-locking effect of gear engagement is utilized, so that the control is stable and the precision is high.

4. According to the invention, the retractable arm is arc-shaped and is attached to the fuselage, so that the resistance in flight can be reduced, and the response speed in unfolding can be improved; the retractable arms and the machine arms are arranged on the machine body in a staggered mode, and the influence of the retractable arms on the air flow of the rotor wing is reduced to the minimum degree.

Drawings

Fig. 1 is a front view of a multi-rotor drone for agricultural eviction of the invention.

Fig. 2 is a top view of a multi-rotor drone for agricultural eviction of the invention.

Fig. 3 is a bottom view of the multi-rotor drone for agricultural eviction of the invention.

Fig. 4 is a schematic view of the driving device of the present invention.

Fig. 5 is a schematic diagram of the eviction method of the invention.

In the figure: 1-unmanned aerial vehicle fuselage 2-rotor 3-horn 4-receive and release arm 5-place chamber 6-gear wheel 7-pinion.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to fig. 1-4, embodiments of the present invention provide a multi-rotor drone for agricultural eviction, the drone comprising: the unmanned aerial vehicle comprises an unmanned aerial vehicle body 1 and a plurality of rotor wings 2 uniformly distributed around the unmanned aerial vehicle body 1, wherein the rotor wings 2 are supported on the unmanned aerial vehicle body through a horn 3; the utility model discloses an unmanned aerial vehicle fuselage, including unmanned aerial vehicle fuselage 1, the front end that receive and releases arm 4 is provided with the medicine and places chamber 5, place chamber 5 and be used for placing the medicine of agricultural expulsion, the rear end that receives and releases arm 4 articulates in unmanned aerial vehicle's fuselage, under drive arrangement's drive, receive and release arm 4 and can draw in and hug closely in the unmanned aerial vehicle fuselage or expand from the unmanned aerial vehicle fuselage, under the expansion state, receive and release on the arm 4 place the chamber 5 and be located rotor 2's side below to can utilize rotor 2's downdraft to make the medicine flavor rapid diffusion who places the medicine in chamber 5, thereby play the good effect of carrying out the expulsion to birds or insects. Wherein, receive and release arm 4 and be in paste during the folded state and tightly in the fuselage, can guarantee the good aerodynamic profile of unmanned aerial vehicle, resistance when reducing the flight, and when the expansion state, through the air current effect of rotor, can accelerate the medicine diffusion, the expulsion is effectual. According to the characteristic that the airflow of the rotor wing spreads in a splayed manner from the upper part of the rotor wing to the lower part of the rotor wing, the medicine is placed below the side of the rotor wing, the odor diffusion effect is the best, and the influence on the airflow of the rotor wing is small.

The driving device comprises a bull gear 6 positioned in the middle of the machine body and a plurality of pinion gears 7 positioned around the bull gear 6 and meshed with the bull gear, the number of the pinion gears 7 is consistent with that of the retractable arms 4, and the rear ends of the retractable arms 4 are fixedly connected to rotating shafts of the pinion gears 7, so that the plurality of pinion gears 7 are driven to synchronously rotate under the action of the bull gear 6, and the retractable arms 4 are synchronously unfolded or folded from the machine body; wherein the gearwheel 6 is driven by means of an electric motor. The driving device of the invention has a self-locking function when the gear is meshed, so that the retractable arm 4 can be stably in a furled state or an unfolded state, and the retractable arm 4 can be accurately unfolded to a required position through the control of the motor, namely the lateral lower part of the rotor wing 2 in the embodiment. The driving device disclosed by the invention is simple in structure, can realize synchronous unfolding or folding of the folding and unfolding arms, and is high in control precision.

Wherein, place chamber 5 and be used for placing the expulsion medicine, be provided with a plurality of air current holes on the perisporium of placing chamber 5, the setting through the air current hole makes the medicine flavor of medicine can diffuse away fast to play the effect of expulsion.

The medicine is solid particles or powder, can be placed in breathable gauze, is beneficial to smell emission, and is convenient to replace.

More specifically, the retractable arm 4 and the horn 3 are uniformly arranged around the unmanned aerial vehicle body 1 in a staggered manner on a horizontal projection plane, wherein the retractable arm 4 is arc-shaped, correspondingly, an arc-shaped groove is formed in the body part attached to the retractable arm 4, and when the retractable arm 4 is in a furled state, the retractable arm 4 can be retracted in the groove, so that the unmanned aerial vehicle has a good pneumatic appearance. And because receive and release arm 4 is the arc, can expand the side below of rotor fast when expanding, improve entire system's response speed. Simultaneously, owing to receive and release the arm and the horn is crisscross evenly setting up all around the unmanned aerial vehicle fuselage and receive and release the curved setting of arm, make receive and release the arm even under the expansion state, also can be in staggered position with the horn in the horizontal direction, the influence of the minimum reduction of degree receive and release the arm to the air current of rotor on the cantilever.

Referring to fig. 5, the present invention further provides a method for controlling an unmanned aerial vehicle to perform agricultural eviction. The method is implemented by the unmanned aerial vehicle, and specifically comprises the following steps:

arranging a plurality of monitoring devices in a farmland area, wherein each monitoring device covers one area, so that the condition of the farmland is observed; wherein the observation area can cover the whole farmland area through the arrangement of a plurality of monitoring devices;

step two, when a large number of birds or insects fly to a certain area, the monitoring equipment in the area can monitor the situation, and an operator can observe the picture of the monitoring equipment through a display;

step three, operating personnel controls the agricultural expelling unmanned aerial vehicle to fly to the area to expel birds and insects; in the flight process, the retractable arm is in a furled state to reduce flight resistance, and when the aircraft flies to the area, an operator controls the retractable arm to unfold, so that the placing cavity at the front end of the retractable arm is positioned below the side of the rotor wing, and the diffusion of the medicinal flavor in the placing cavity is accelerated through the airflow of the rotor wing;

and step four, after the expelling is completed, the operator controls the agricultural expelling unmanned aerial vehicle to return, so that the next expelling is accurate.

In step three, if the bird and the worm quantity are numerous, when an unmanned aerial vehicle can't satisfy the expulsion requirement, steerable many unmanned aerial vehicles carry out the expulsion simultaneously to reach good expulsion effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-rotor drone for agricultural eviction, the drone comprising: the unmanned aerial vehicle comprises an unmanned aerial vehicle body (1) and a plurality of rotor wings (2) which are uniformly distributed on the periphery of the unmanned aerial vehicle body (1), wherein the rotor wings (2) are supported on the unmanned aerial vehicle body (1) through a horn (3); the method is characterized in that: unmanned aerial vehicle fuselage (1) still is provided with all around that can receive and release arm (4), and is used for the drive receive and release the drive arrangement that arm (4) receive and release, the front end that receives and releases arm (4) is provided with places chamber (5), place chamber (5) and be used for placing the medicine of agricultural expulsion, receive and release the rear end of arm (4) articulated in unmanned aerial vehicle's fuselage (1) under drive arrangement's the drive, receive and release arm (4) can draw in and hug closely in unmanned aerial vehicle fuselage (1) or follow unmanned aerial vehicle fuselage (1) expandes, under the expansion state that receives and releases the arm, receive and release placing chamber (5) of arm (4) front end and be located the side below of rotor (2), thereby can utilize the downdraft of rotor to make place the quick diffusion of the medicine flavor of medicine in chamber (5).

2. The unmanned aerial vehicle of claim 1, wherein the driving device comprises a bull gear (6) located in the middle of the vehicle body and a plurality of pinion gears (7) located around the bull gear (6) and meshed with the bull gear (6), the number of the pinion gears (7) is the same as that of the retractable arms (4), and the pinion gears (7) are fixedly connected with the rear ends of the retractable arms (4), so that the pinion gears (7) are driven to synchronously rotate under the action of the bull gear (6), and the retractable arms (4) are synchronously unfolded or folded from the vehicle body; wherein the gearwheel (6) is driven by a motor.

3. The drone of claim 1, wherein the placement chamber (5) is used for placing expulsion drugs, the placement chamber (5) being provided with a plurality of air flow holes in its circumferential wall.

4. The drone of claim 3, wherein the repellent medication is a solid particle or powder placed in breathable gauze.

5. The unmanned aerial vehicle of claim 1, wherein the retractable arms (4) and the horn (3) are arranged around the unmanned aerial vehicle body (1) in a staggered manner on a horizontal projection plane, the retractable arms (4) are arc-shaped, arc-shaped grooves are formed in the positions of the body, which are attached to the retractable arms (4), and when the retractable arms (4) are in a folded state, the retractable arms (4) can be folded in the grooves.

6. Unmanned aerial vehicle according to claim 1, characterized in that the rotor (2) and the retractable arms (4) are each 4 in number.

7. Unmanned aerial vehicle according to claim 1, characterized in that the lower part of unmanned aerial vehicle fuselage (1) is further provided with a foot rest.