Landing paddle protection device of unmanned aerial vehicle

Abstract

The utility model belongs to the technical field of unmanned aerial vehicles, and discloses a landing paddle protection device of an unmanned aerial vehicle, the landing paddle protection device comprises a protection frame, a mounting arm, a first fixing arm and a second fixing arm, the protection frame is of an annular structure, the protection frame is arranged on the outer side of a paddle of the unmanned aerial vehicle in a surrounding mode, and the bottom of the protection frame is lower than the bottom of the paddle; one end of the mounting arm is fixedly connected with the protection frame, and the other end of the mounting arm is fixed on a middle frame of the unmanned aerial vehicle; the first fixing arm and the second fixing arm are symmetrically arranged on the two sides of one corner of the top of the protection frame, and a mounting plate is fixedly connected between the first fixing arm and the second fixing arm. The structural strength of the landing blade protection device is enhanced, the protection frame protects the blades in a surrounding mode, the situation that the blades scrape one another or physically collide with one another is avoided, and the overall visual effect of the unmanned aerial vehicle formation is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to unmanned plane technical field, concretely relates to a landing paddle protection device of unmanned plane. BACKGROUND

[0002] With the rapid development of unmanned plane cluster performance technology, large-scale formation flight has become the core display form of light show, celebration activities and the like. However, in the process of dense formation, complex light effect or dynamic change formation, the close flight between unmanned planes can lead to the risk of paddle collision significantly increasing. The traditional single plane protection design is difficult to cope with the needs such as high-frequency cross flight, three-dimensional space rapid displacement in cluster performance, which specifically shows that when formation flying, the distance between unmanned planes can be reduced to within 1 meter, when wind speed interference or positioning signal delay, the paddle is prone to mutual scraping or even physical impact; single plane failure can cause chain collision, leading to performance interruption; the conventional protection frame can shield light projection or increase the volume of the body, affecting the overall visual effect of the formation. SUMMARY

[0003] To solve the above technical problems, the utility model provides a landing paddle protection device of unmanned plane, which enhances the structural strength of the landing paddle protection device, and the protection frame surrounds the paddle to avoid mutual scraping or physical impact of the paddle, improving the overall visual effect of the unmanned plane formation.

[0004] The technical scheme of the utility model is as follows: a landing paddle protection device of unmanned plane, including protection frame, installation arm, first fixed arm and second fixed arm, the protection frame is annular structure, the protection frame is arranged on the outside of the paddle of unmanned plane, the bottom of protection frame is lower than the bottom of paddle;

[0005] One end of the installation arm is fixedly connected with the protection frame, and the other end of the installation arm is fixed on the middle frame of the unmanned plane.

[0006] The first fixed arm and the second fixed arm are symmetrically arranged on both sides of one corner of the top of the protection frame, and the installation plate is fixedly connected between the first fixed arm and the second fixed arm, and the bottom of the installation plate is detachably connected with the arm of the unmanned plane.

[0007] Further, the bottom of the protection frame is provided with a buffer layer.

[0008] Further, the bottom of the buffer layer is provided with anti-skid texture.

[0009] Further, the installation plate is provided with a mounting hole for the motor, and the installation plate and the arm are connected through screws.

[0010] Further, the disc cover is fixedly connected between the two mounting arms and located in the middle frame of the unmanned aerial vehicle.

[0011] Further, a compass module is fixedly connected to the bottom of the disc cover and electrically connected to the flight control system of the unmanned aerial vehicle.

[0012] Further, the unmanned aerial vehicle has four arms, two arms in each group are symmetrically fixed to the two sides of the middle frame, and the top of the end of the arm away from the middle frame is connected to the mounting plate.

[0013] Further, the top of the end of the arm away from the middle frame of the unmanned aerial vehicle is connected to the bottom of the mounting plate.

[0014] Further, the motor is fixed to the bottom of the end of the arm away from the middle frame of the unmanned aerial vehicle, and the paddle is fixed to the output end of the motor.

[0015] The one or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0016] 1. In the present application, the protection frame is fixed to the middle frame of the unmanned aerial vehicle through the mounting arm, and is fixed to the arm of the unmanned aerial vehicle through the first fixing arm, the second fixing arm and the mounting plate, thereby enhancing the structural strength of the landing paddle protection device, and the protection frame surrounds the paddle to avoid mutual scratching or physical impact of the paddle, thereby improving the overall visual effect of the unmanned aerial vehicle formation.

[0017] 2. In the present application, the bottom of the protection frame is fixedly connected with a buffer layer, the material of the buffer layer is elastic rubber or silica gel, and the setting of the buffer layer can effectively absorb the impact energy when the unmanned aerial vehicle lands, thereby avoiding the direct contact of the protection frame with the ground, reducing the deformation risk of the landing paddle protection device, and prolonging the service life of the landing paddle protection device. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 is a schematic view of the structure of the unmanned aerial vehicle;

[0020] Figure 2 is a schematic view of the local structure of the unmanned aerial vehicle;

[0021] Figure 3 is a schematic view of the landing paddle protection device and the middle frame structure;

[0022] Figure 4Structure diagram of the landing paddle protection device.

[0023] Drawings

[0024] 100, landing paddle protection device; 110, protection frame; 120, mounting arm; 130, first fixed arm; 140, second fixed arm; 150, mounting plate; 160, disc cover; 170, compass module; 200, middle frame; 300, arm; 400, motor; 500, paddle. DETAILED DESCRIPTION

[0025] 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 part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] It should be noted that all directional indications in the embodiments of the present application are only used to explain the relative position relationship, motion condition and the like between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0027] In the process of dense formation, complex light effect or dynamic transformation of formation, the close-range flight between unmanned aerial vehicles may significantly increase the risk of paddle collision. The traditional single-machine protection design is difficult to cope with the requirements of high-frequency cross flight, rapid displacement in three-dimensional space and the like in cluster performance, which specifically manifests in that:

[0028] When flying in formation, the distance between unmanned aerial vehicles may be reduced to within 1 meter, and in the case of wind interference or positioning signal delay, the paddles are prone to mutual scraping or even physical collision; single-machine failure may trigger a chain collision, resulting in interruption of the performance; the conventional protection frame may block light projection or increase the volume of the machine body, affecting the overall visual effect of the formation.

[0029] The present application will be described below in conjunction with the drawings and with reference to specific embodiments:

[0030] The utility model provides a landing paddle protection device of unmanned aerial vehicle, protection frame 110 is fixed with the middle frame 200 of unmanned aerial vehicle through mounting arm 120, is fixed with the arm 300 of unmanned aerial vehicle through first fixed arm 130, second fixed arm 140 and mounting plate 150, the structural strength of landing paddle protection device 100 is strengthened, and the protection frame surrounds the paddle and avoids the mutual scraping or physical collision of the paddle, improves the overall visual effect of unmanned aerial vehicle formation.

[0031] Specifically:

[0032] Please refer toFigures 1-4 A landing propeller protection device 100 of a UAV, comprising a protection frame 110, a mounting arm 120, a first fixing arm 130, a second fixing arm 140 and a disc cover 160, the protection frame 110 is in a ring structure, the protection frame 110 is arranged around the outside of the propeller 500 of the UAV, and the bottom of the protection frame 110 is lower than the bottom of the propeller 500; one end of the mounting arm 120 is fixedly connected with the protection frame 110, and the other end of the mounting arm 120 is fixed on the middle frame 200 of the UAV;

[0033] The first fixing arm 130 and the second fixing arm 140 are symmetrically arranged on both sides of a corner at the top of the protection frame 110, and the mounting plate 150 is fixedly connected between the first fixing arm 130 and the second fixing arm 140, and the bottom of the mounting plate 150 is detachably connected with the arm 300 of the UAV. A plurality of connection points are arranged on the mounting plate 150, and the connection strength is improved by multi-point connection.

[0034] The first fixing arm 130 and the second fixing arm 140 symmetrically distributed form a triangular support structure with the protection frame 110, which enhances the structural rigidity of the landing propeller protection device 100. In combination with the connection of the mounting plate 150 and the arm 300 and the connection of the mounting arm 120 and the middle frame 200 of the UAV, the connection stability of the landing propeller protection device 100 is improved.

[0035] The bottom of the protection frame 110 is fixedly connected with a buffer layer, the material of the buffer layer is elastic rubber or silica gel, the setting of the buffer layer can effectively absorb the impact energy when the UAV lands, avoid the protection frame 110 directly contacting with the ground, reduce the deformation risk of the landing propeller protection device 100, and prolong the service life of the landing propeller protection device 100.

[0036] The bottom of the buffer layer is provided with anti-skid texture, and the setting of the anti-skid texture enhances the friction between the protection frame 110 and the ground, prevents the UAV from sliding or deviating during landing, especially in complex terrain such as wet and slippery, sand and stone, and improves the stability of the UAV during landing.

[0037] The mounting plate 150 is provided with a mounting hole for the motor 400, and the mounting plate 150 is connected with the arm 300 through screws, so that the motor 400 is conveniently installed and fixed.

[0038] The disc cover 160 is fixedly connected between the two mounting arms 120 and located in the middle frame 200 of the UAV. The bottom of the disc cover 160 is fixedly connected with a compass module 170, and the compass module 170 is electrically connected with the flight control system of the UAV, and the setting of the compass module 170 improves the accuracy of the flight navigation data of the UAV.

[0039] The four arms 300 are symmetrically fixed on both sides of the middle frame 200 in pairs, and the top of the end of the arm 300 away from the middle frame 200 is connected with the mounting plate 150. The symmetric layout of the four arms balances the overall stress distribution of the UAV, and reduces the risk of flight attitude deviation caused by uneven load on one side.

[0040] The top of the end of the arm 300 away from the middle frame 200 of the UAV is connected with the bottom of the mounting plate 150, the motor 400 is fixed on the bottom of the end of the arm 300 away from the middle frame 200 of the UAV, the lower layout of the motor 400 reduces the gravity center of the UAV, and improves the flight stability. The paddle 500 is fixed on the output end of the motor 400, which can improve the efficiency of the lift of the UAV, and also has a heat dissipation effect on the fuselage of the UAV and the motor 400.

[0041] It should be noted that the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0042] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A landing propeller protection device for a drone, characterized in that, The utility model relates to a protection frame (110) is circular structure, it surrounds the outside of propeller (500) of unmanned plane, and its bottom is lower than the bottom of propeller (500), install arm (120) one end with protection frame (110) fixed connection, the other end is fixed on the middle frame (200) of unmanned plane, first fixed arm (130) and second fixed arm (140) are symmetrically arranged in the two sides of the top corner of protection frame (110), and first fixed arm (130) and second fixed arm (140) between fixed connection have installation board (150), the bottom of installation board (150) is detachably connected with the arm (300) of unmanned plane. The bottom of the protection frame (110) is provided with a buffer layer. The bottom of the buffer layer is provided with anti-skid texture. The mounting plate (150) is provided with a mounting hole for the motor (400), and the mounting plate (150) and the arm (300) are connected by screws.

2. The landing propeller protection device of claim 1, wherein, Further comprising a cover (160), the cover (160) is fixedly connected between the two installation arms (120), and is located in the middle frame (200) of the unmanned plane.

3. The landing propeller protection device of claim 2, wherein, The bottom of the cover (160) is fixedly connected with a compass module (170), and the compass module (170) is electrically connected with the flight control system of the unmanned plane. 4.The unmanned aerial vehicle landing propeller protection device of claim 1, wherein, The arm (300) of the unmanned plane is four, two are a group of symmetrically fixed on both sides of the middle frame (200), and the top of the end away from the middle frame (200) of the arm (300) is connected with the mounting plate (150). 5.The landing propeller protection device of the UAV according to claim 1, wherein, The top of the end away from the middle frame (200) of the arm (300) is connected with the bottom of the mounting plate (150).

6. The landing propeller protection device of claim 5, wherein, The motor (400) is fixed to the bottom of the end away from the middle frame (200) of the arm (300), and the propeller (500) is fixed to the output end of the motor (400).

7. The unmanned aerial vehicle landing propeller protection device of claim 1, wherein, ​ 8. The landing propeller protection device of claim 7, wherein, ​ 9.The landing propeller protection device of the UAV of claim 8, wherein, ​

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