Low-altitude flight anti-winding agricultural plant protection unmanned aerial vehicle

Abstract

The low-altitude flight anti-winding agricultural plant protection unmanned aerial vehicle comprises an unmanned aerial vehicle body, mounting plates are fixedly mounted on the periphery of the unmanned aerial vehicle body, rotating motors are fixedly mounted at the tops of the mounting plates, and fixing plates are fixedly mounted on the periphery of the unmanned aerial vehicle body and close to the rotating motors; the top of the fixing plate is connected with a rotor wing through a rotating shaft, the output end of the rotating motor is fixedly connected with the rotor wing, and protective covers are detachably connected to the periphery of the unmanned aerial vehicle body and located on the outer side of the rotor wing. According to the thermocouple temperature sensor convenient to install, the protective cover is installed on the outer side of the rotor wing, protection of the rotor wing is enhanced, an arranged flow guide net facilitates circulation of airflow, and the problems that when a traditional plant protection unmanned aerial vehicle flies at a low altitude, the rotor wing is prone to being wound by crop vines and fruit tree branches, and air crash or damage is caused are solved. And an existing anti-winding scheme mostly depends on an obstacle avoidance sensor, but is poor in capability of identifying slender flexible obstacles (such as electric wires and vines) and lags in response.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field especially low altitude flight anti -winding's agricultural plant protection unmanned plane. BACKGROUND

[0002] With the development of society and the progress of science and technology, the unmanned plane is widely applied to the agricultural planting field, the plant protection unmanned plane, also known as unmanned aerial vehicle, as the name implies, is the unmanned plane for the agricultural and forestry plant protection operation, the agricultural unmanned plane is not only used for spraying pesticide, but also can carry out the work such as spreading fertilizer, sowing seeds, spreading fodder, satisfies the diversified demand of farmer, improves production efficiency. When the traditional plant protection unmanned plane flies at low altitude, the rotor is easy to be wound by crop vines and fruit tree branches, which leads to crash or damage, and the existing anti-winding scheme depends on obstacle avoidance sensors, but the identification ability for slender flexible obstacles (such as electric wire, vine) is poor, and the reaction is lagging. In view of the above problems, we have developed the low altitude flight anti-winding agricultural plant protection unmanned plane. SUMMARY

[0003] The utility model discloses low altitude flight anti-winding's agricultural plant protection unmanned plane, aim at solving the traditional plant protection unmanned plane when flying at low altitude, the rotor is easy to be wound by crop vines and fruit tree branches, which leads to crash or damage, and the existing anti-winding scheme depends on obstacle avoidance sensors, but the identification ability for slender flexible obstacles (such as electric wire, vine) is poor, and the reaction is lagging behind technical problem.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] Low altitude flight anti-winding's agricultural plant protection unmanned plane, including unmanned plane main part, the periphery of unmanned plane main part is equally fixedly installed with mounting panel, the top of mounting panel is equally fixedly installed with rotary motor, the periphery of unmanned plane main part and close to rotary motor are equally fixedly installed with fixed plate, the top of fixed plate is connected with rotor through pivot, the output of rotary motor is fixedly connected with rotor, the periphery of unmanned plane main part and located the outside of rotor are all detachably connected with protective cover, the inside of the air slot of the periphery of protective cover is fixedly installed with flow guide net, the periphery of unmanned plane main part bottom is fixedly installed with support.

[0006] When using, through installing the protective cover on the outside of rotor, it is favorable to strengthen the protection of rotor, and the flow guide net is convenient for the circulation of airflow, solve the traditional plant protection unmanned plane when flying at low altitude, the rotor is easy to be wound by crop vines and fruit tree branches, which leads to crash or damage, and the existing anti-winding scheme depends on obstacle avoidance sensors, but the identification ability for slender flexible obstacles (such as electric wire, vine) is poor, and the reaction is lagging behind technical problem.

[0007] In a preferred scheme, the millimeter wave radar is fixedly installed inside the top of the unmanned aerial vehicle body, the binocular vision camera is fixedly installed at the bottom of the unmanned aerial vehicle body and close to the front side, and the laser sensor is fixedly installed at the front side of the unmanned aerial vehicle body.

[0008] By setting the millimeter wave radar, the binocular vision camera and the laser sensor, the front obstacles during flight can be detected, and the millimeter wave radar, the binocular vision camera and the laser sensor are electrically connected with the flight system of the unmanned aerial vehicle body.

[0009] In a preferred scheme, the slide grooves are symmetrically formed at the bottom of the protective cover and close to the mounting plate, the slide plates are slidably connected inside the slide grooves, the plug-in plates are fixedly installed on the side of the slide plates close to the mounting plate, the plug-in grooves are formed on the side of the mounting plate close to the plug-in plates, the plug-in plates extend through the protective cover and extend into the plug-in grooves and are fixed by the fixing bolts, and the springs are symmetrically fixedly installed on the side of the slide plates away from the plug-in plates and fixedly connected with the slide grooves close to the slide grooves.

[0010] By extending the plug-in plates into the plug-in grooves and fixing the plug-in plates by the fixing bolts, the protective cover can be quickly mounted and dismounted, and the cleaning in the later period is facilitated.

[0011] In a preferred scheme, the limiting rods are symmetrically fixedly installed on the top of the mounting plate close to the unmanned aerial vehicle body, the limiting grooves are formed in the protective cover close to the limiting rods, and the limiting rods extend into the limiting grooves.

[0012] By extending the limiting rods into the corresponding limiting grooves, the firmness of the connection between the protective cover and the mounting plate is improved.

[0013] In a preferred scheme, the micro blades are fixedly installed on the side of the blades of the rotor, and the flexible rubber strips are symmetrically fixedly installed on the side of the protective cover away from the unmanned aerial vehicle body.

[0014] By setting the flexible rubber strips, the elastic deformation after contacting the obstacles is facilitated, and the impact force is reduced, and the micro blades are beneficial to cutting the rattan entering the inside of the protective cover.

[0015] In a preferred scheme, the outer side of the unmanned aerial vehicle body is coated with a hydrophobic coating.

[0016] By coating the outer side of the unmanned aerial vehicle body and the outer side of the device with the hydrophobic coating, the adhesion of the mulch film and the like is prevented.

[0017] The low-altitude flight anti-winding agricultural plant protection unmanned aerial vehicle has the following advantages:

[0018] One, in use, by installing the protective cover outside the rotor, it is beneficial to strengthen the protection of the rotor, and the guide net is convenient for the circulation of airflow, solves the problem that the rotor is easy to be entangled by crop vines and fruit tree branches during low-altitude flight of the traditional plant protection unmanned aerial vehicle, causes crash or damage, and the existing anti-entanglement scheme depends on obstacle avoidance sensors, but the identification ability for slender flexible obstacles (such as power lines and vines) is poor, and the technical problem of slow reaction. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The right view of the low-altitude flight anti-entanglement agricultural plant protection unmanned aerial vehicle is provided.

[0020] Figure 2 The right view of the low-altitude flight anti-entanglement agricultural plant protection unmanned aerial vehicle is provided.

[0021] Figure 3 The left view of the low-altitude flight anti-entanglement agricultural plant protection unmanned aerial vehicle is provided.

[0022] Figure 4 The right view of the low-altitude flight anti-entanglement agricultural plant protection unmanned aerial vehicle is provided. Figure 2 The enlarged view of A in the middle.

[0023] In the drawings: 1, unmanned aerial vehicle main body; 2, mounting plate; 3, rotating motor; 4, fixed plate; 5, rotor; 6, micro blade; 7, protective cover; 8, guide net; 9, flexible rubber strip; 10, millimeter wave radar; 11, binocular vision camera; 12, laser sensor; 13, support; 14, sliding groove; 15, sliding plate; 16, plug-in plate; 17, plug-in slot; 18, fixing bolt; 19, spring; 20, limiting rod; 21, limiting groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and indicated in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] The low-altitude flight anti-entanglement agricultural plant protection unmanned aerial vehicle disclosed by the present application is mainly applied to the scene of preventing the rotor of the agricultural plant protection unmanned aerial vehicle from being entangled.

[0026] Refer toFigure 1 、 Figure 2 、 Figure 3 and Figure 4 The low-altitude flight anti-winding agricultural plant protection unmanned aerial vehicle comprises an unmanned aerial vehicle body 1, mounting plates 2 are fixedly installed around the unmanned aerial vehicle body 1, rotary motors 3 are fixedly installed at the top of the mounting plates 2, fixing plates 4 are fixedly installed around the unmanned aerial vehicle body 1 and close to the rotary motors 3, rotary wings 5 are connected to the top of the fixing plates 4 through rotating shafts, the output ends of the rotary motors 3 are fixedly connected with the rotary wings 5, protective covers 7 are detachably connected around the unmanned aerial vehicle body 1 and outside the rotary wings 5, flow guide nets 8 are fixedly installed in the air slots around the protective covers 7, and supports 13 are fixedly installed around the bottom of the unmanned aerial vehicle body 1.

[0027] In use, the protective covers 7 are installed outside the rotary wings 5, so that the rotary wings 5 are protected, the flow guide nets 8 are convenient for air flow, the rotary wings of the traditional plant protection unmanned aerial vehicle are not easily wound by crop vines and fruit tree branches during low-altitude flight, and the unmanned aerial vehicle is not damaged or crashed, and the existing anti-winding scheme depends on an obstacle avoidance sensor, but the identification ability of the obstacle avoidance sensor for slender flexible obstacles such as electric wires and vines is poor, and the reaction of the obstacle avoidance sensor is lagged.

[0028] The millimeter wave radar 10 is fixedly installed inside the top of the unmanned aerial vehicle body 1, the binocular vision camera 11 is fixedly installed at the bottom of the unmanned aerial vehicle body 1 and close to the front side, and the laser sensor 12 is fixedly installed at the front side of the unmanned aerial vehicle body 1; the millimeter wave radar 10, the binocular vision camera 11 and the laser sensor 12 are used in cooperation, so as to detect obstacles in front of flight, and the millimeter wave radar 10, the binocular vision camera 11 and the laser sensor 12 are electrically connected with the flight system of the unmanned aerial vehicle body 1.

[0029] The sliding grooves 14 are symmetrically formed at the bottom of the protective cover 7 and close to the mounting plates 2, the sliding plates 15 are slidably connected inside the sliding grooves 14, the plug-in plates 16 are fixedly installed on the side of the sliding plates 15 close to the mounting plates 2, the plug-in grooves 17 are correspondingly formed on the side of the mounting plates 2 close to the plug-in plates 16, the plug-in plates 16 extend into the plug-in grooves 17 through the protective cover 7 and are fixed through the fixed pegs 18, the springs 19 are symmetrically fixedly installed on the side of the sliding plates 15 away from the plug-in plates 16, and the springs 19 are fixedly connected with the sliding grooves 14 close to the sliding grooves 14; the plug-in plates 16 extend into the plug-in grooves 17 and are fixed through the fixed pegs 18, so as to quickly install and dismount the protective cover 7 and facilitate cleaning in the later period.

[0030] The limiting rod 20 is fixed symmetrically on the top of the mounting plate 2 close to the unmanned aerial vehicle body 1, the limiting slot 21 is formed close to the limiting rod 20 on the protective cover 7, and the limiting rod 20 extends into the limiting slot 21.

[0031] The micro blade 6 is fixed on the side of the blade of the rotor 5, and the flexible rubber strip 9 is fixed symmetrically on the side, away from the unmanned aerial vehicle body 1, of the protective cover 7.

[0032] The outer side of the unmanned aerial vehicle body 1 is coated with a hydrophobic coating; the hydrophobic coating coated on the outer side of the unmanned aerial vehicle body 1 and the whole device is beneficial to prevent the adhesion of mulch.

[0033] Working principle: in use, the protective cover 7 is installed on the outer side of the rotor 5, which is beneficial to the protection of the rotor 5, and the flow guide net 8 is convenient for the circulation of air flow; the plug-in plate 16 extends into the plug-in slot 17 and is fixed by the fixing bolt 18, which is beneficial to the quick installation and disassembly of the protective cover 7, and is convenient for cleaning in the later period; the cooperation of the millimeter wave radar 10, the binocular vision camera 11 and the laser sensor 12 is beneficial to the detection of the obstacles in front of the flight, and the millimeter wave radar 10, the binocular vision camera 11 and the laser sensor 12 are electrically connected with the flight system of the unmanned aerial vehicle body 1.

[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. The replacement can be the replacement of part of the structure, device, method step, or the complete technical solution. According to the technical scheme and the utility model concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.

Claims

1. An agricultural unmanned aerial vehicle for low-altitude flight and anti-winding, comprising an unmanned aerial vehicle main body (1), characterized in that, The four around unmanned aerial vehicle body (1) are fixedly installed with mounting plate (2), the mounting plate (2) top are fixedly installed with rotating motor (3), the four around unmanned aerial vehicle body (1) and close rotating motor (3) are fixedly installed with fixed plate (4), the fixed plate (4) top are connected with rotor (5) through rotating shaft, the rotating motor (3) output and rotor (5) fixed connection, the four around unmanned aerial vehicle body (1) and located outside rotor (5) are detachably connected with protective cover (7), the protective cover (7) four around air slot inside are fixedly installed with flow guide net (8), the unmanned aerial vehicle body (1) bottom four around are fixedly installed with support (13).

2. The low altitude flying anti-winding agricultural plant-protection unmanned aerial vehicle according to claim 1, characterized in that, The top of the unmanned aerial vehicle body (1) is fixedly installed with millimeter wave radar (10), and the bottom of the unmanned aerial vehicle body (1) is fixedly installed with binocular vision camera (11) close to the front side, and the front side of the unmanned aerial vehicle body (1) is fixedly installed with laser sensor (12).

3. The low altitude flying anti-winding agricultural plant-protection unmanned aerial vehicle according to claim 1, characterized in that, The bottom of the protective cover (7) is symmetrically provided with a sliding groove (14) close to the mounting plate (2), the sliding groove (14) is slidably connected with a sliding plate (15), the sliding plate (15) is fixedly installed with a plug-in plate (16) close to the mounting plate (2), the mounting plate (2) is provided with a plug-in slot (17) close to the plug-in plate (16), the plug-in plate (16) extends through the protective cover (7) and extends into the plug-in slot (17) and is fixed by a fixing bolt (18), the sliding plate (15) is fixedly installed with a spring (19) away from the plug-in plate (16), and the spring (19) is fixedly installed with a spring (19) away from the plug-in plate (16).

4. The low altitude flying anti-winding agricultural plant-protection drone according to claim 1, characterized in that, The mounting plate (2) top close to unmanned aerial vehicle body (1) symmetry fixedly installs the limit rod (20), the protective cover (7) close to limit rod (20) and open limit slot (21), limit rod (20) extends to limit slot (21) inside.

5. The low altitude flying anti-winding agricultural plant-protection drone according to claim 1, characterized in that, The blade side of the rotor (5) is fixedly installed with a micro knife (6), and the side of the protective cover (7) away from the unmanned aerial vehicle body (1) is fixedly installed with a flexible rubber strip (9).

6. The low altitude flying anti-winding agricultural plant-protection drone according to claim 1, characterized in that, The outer side of the unmanned aerial vehicle body (1) is coated with a hydrophobic coating.

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