CN212556779U

CN212556779U - Unmanned aerial vehicle with high cruising ability

Info

Publication number: CN212556779U
Application number: CN202021038568.XU
Authority: CN
Inventors: 卢增浩; 谢文亮; 李冲
Original assignee: Fujian Zhongli Technology Co ltd
Current assignee: Fujian Zhongli Technology Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-19
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses an unmanned aerial vehicle that duration is strong, including control main part and four linking arms, install flight control system on the second end of linking arm, the control main part is including being square and sealed casing, the casing all is provided with first flexible solar panel, the linking arm is the rectangle tubular construction that is enclosed by roof, bottom plate and both sides board jointly, roof and curb plate all are provided with second flexible solar panel, both sides board and roof swing joint, install limit structure on the roof, be provided with the gasbag on the bottom plate of linking arm, the gasbag is in the second end department of linking arm, install the MCU controller in the casing, battery and charge-discharge circuit module, first flexible solar panel and second flexible solar panel are connected with the battery charging through charge-discharge circuit module, the battery is connected with the MCU controller power supply; the MCU controller is in control connection with the flight control system. The utility model discloses an unmanned aerial vehicle, it not only promotes duration effectively, can charge automatically moreover.

Description

Unmanned aerial vehicle with high cruising ability

Technical Field

The utility model relates to an unmanned aerial vehicle field, concretely relates to unmanned aerial vehicle that duration is strong.

Background

Unmanned aerial vehicles are, as their name implies, unmanned aircraft, abbreviated in english as "UAV", which is an unmanned aerial vehicle operated by a radio remote control device and a self-contained program control device. From a technical point of view, the definition can be divided into: unmanned fixed wing aircraft, unmanned vertical take-off and landing aircraft, unmanned airship, unmanned helicopter, unmanned multi-rotor aircraft, unmanned paravane aircraft, and the like.

With the development of unmanned aerial vehicle technology, widely applied to various fields, unmanned aerial vehicles also appear in our lives at present. The current unmanned aerial vehicle generally all adopts the battery to supply power. So there are following insufficiencies in current unmanned aerial vehicle:

firstly, the endurance is short due to the influence of the dead weight.

And secondly, when the outdoor power supply is used outdoors (namely, no indoor power supply for charging is available outdoors), the storage battery in the outdoor power supply cannot be automatically supplemented with electric quantity.

Thirdly, unmanned descending footing all is fixed, only can descend with the horizontal platform (be balcony or horizontal road surface etc.) on, and it is poor to descend the buffering effect, easily leads to unmanned aerial vehicle internals in the same direction as bad.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unmanned aerial vehicle that duration is strong, it not only promotes duration effectively, can be automatically for battery charging moreover, still is favorable to protecting unmanned aerial vehicle more.

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

an unmanned aerial vehicle with strong cruising ability comprises a control main body and four connecting arms which are circumferentially arranged around the control main body and are fixedly connected with the control main body at first ends, a flight control system for driving the main body to fly is installed at second ends of the connecting arms, the control main body comprises a square and sealed shell, first flexible solar panels are arranged on the upper surface and the side wall of the shell, the connecting arms are of a rectangular tube structure which is formed by a top plate, a bottom plate and two side plates in a surrounding mode, second flexible solar panels are arranged on the top plate and the side plates, the two side plates are movably connected with the top plate in an upward turning mode around two side edges in the width direction of the top plate, a limiting structure for limiting the side plates to turn to the horizontal position is installed on the top plate, and an air bag for playing a buffering role when the unmanned aerial vehicle descends is arranged on the bottom plate of the, the air bag is positioned at the second end of the connecting arm, an MCU (microprogrammed control Unit) controller, a storage battery and a charge-discharge circuit module are installed in the shell, the first flexible solar panel and the second flexible solar panel are in charge connection with the storage battery through the charge-discharge circuit module, and the storage battery is in power supply connection with the MCU controller; and the MCU controller is in control connection with the flight control system.

The air bag is provided with anti-skid lines for increasing the contact area and playing an anti-skid role.

Rare gas with density smaller than that of air is filled in each air bag, and the sum of the areas of the four air bags is smaller than the orthographic projection area of the control main body and the connecting arm.

The top plate is provided with two elastic lugs extending along the width direction of the top plate, the two lugs are arranged on the top plate in a contraposition way, the side plates are respectively provided with an extending part correspondingly clamped between the two lugs, the two lugs are provided with a first through hole in an aligned way, a second through hole is arranged at the position of the first through hole on the extension part, a pin shaft which penetrates through the second through hole and is positioned outside the first through hole at the two end parts is arranged on the lug, the two opposite side walls of the lug are provided with convex columns which are positioned outside the edge of the top plate from the pin shaft in an aligned way, the end surface of the convex column is arc-shaped, a concave pit for the convex column to be clamped is concavely arranged on the extension part of the side plate, the convex block, the extending part of the side plate, the first through hole, the second through hole, the pin shaft, the convex column and the concave pit jointly form the limiting structure.

The bottom plate is provided with a plurality of concave cavities corresponding to the two side plates, permanent magnets are embedded in the concave cavities, the side plates are provided with metal sheets corresponding to the permanent magnets and magnetically attracted with the permanent magnets, and the permanent magnets and the metal sheets are of the connecting structure.

The equal magic of position of corresponding both sides board on the bottom plate is pasted the master, the curb plate install with the public piece is pasted to magic subsides master matched with, this magic subsides the master with the public piece is above-mentioned connection structure is pasted to the magic.

Each connecting arm is provided with one second flexible solar panel, and each second flexible solar panel is fixedly connected with the two side plates of the connecting arm in a mode that the top plate of the connecting arm is folded towards the two side plates.

The utility model has the advantages that:

(1) through all being provided with first flexible solar panel on the upper surface and the lateral wall at the casing, all be provided with the flexible solar panel of second on the roof of linking arm and both sides board, first flexible solar panel and the flexible solar panel of second pass through charge-discharge circuit module and hold the battery electricity and be connected. Therefore, in the flight process, the first flexible solar panel and the second flexible solar panel continuously receive sunlight, continuously convert solar energy into electric energy, and store the electric energy through the storage battery, so that the storage battery is continuously charged. And because the storage battery is used as a power supply during flight (namely the storage battery directly supplies power to the MCU controller and the motor), the cruising ability is improved, and uninterrupted power is realized. When sunshine is sufficient, the two side plates are directly turned over and opened to fly, the area of the second flexible solar energy for receiving the sunshine is increased, and the charging efficiency of the storage battery is favorably improved.

(2) Through being provided with the gasbag on the bottom plate at the linking arm, when the battery exhausts soon or when meetting emergency, through four gasbags steady contact ground on the linking arm, play support and cushioning effect to unmanned aerial vehicle, reduce the recoil force that unmanned aerial vehicle touched to the ground, protect the inside electronic component of unmanned aerial vehicle effectively. Simultaneously, each gasbag can be different through inside atmospheric pressure bearing atress for the atress is changeed balancedly when unmanned aerial vehicle contacts to the ground, so can adapt to and descend on the uneven bottom surface of height. The problem of current unmanned aerial vehicle can only descend and carry out descending with horizontal platform or rely on the horizontal stand is solved. Therefore, the utility model relates to an unmanned aerial vehicle that duration is strong, it not only promotes duration effectively, can be automatic moreover for battery charging, still is favorable to protecting unmanned aerial vehicle more.

Drawings

For ease of illustration, the present invention is described in detail by the following detailed description and accompanying drawings.

Fig. 1 is a schematic view of the three-dimensional structure of the present invention (the first flexible solar panel, the second flexible solar panel, etc. are omitted in the figure).

Fig. 2 is a schematic structural diagram (partially shown in perspective) of the connecting arm according to the present invention.

Fig. 3 is a control schematic block diagram of the present invention.

In the figure:

a connecting arm-1; a top plate-11; a side plate-12; a bottom plate-13; bump-14; a pin shaft-15; a convex column-16; a permanent magnet-131; a metal sheet-132; a motor-2; a propeller-3; a shell-4; an air bag-5; MCU controller-10; base station-01; a mobile terminal-02; a wireless communication module-03; a GPS module-04; data storage module-05; 360 degree camera or miniature camera-06.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in fig. 1-3, the utility model discloses an unmanned aerial vehicle that duration is stronger, including control main part and four linking arms 1 that encircle control main part circumference and arrange and first end and control main part fixed connection, install the realization on the second end of linking arm 1 and drive the flight control system that the main part flies adopts the flight control system on the current four rotor unmanned aerial vehicle to adopt the same mode to install. The flight control system comprises a motor 2 and a propeller 3, the motor 2 being mounted on the second end of the link arm 1 in a conventional manner. The control main body comprises a square and sealed shell 4, the shell 4 is of a waterproof design (namely sealed by a rubber ring), the upper surface and the side wall of the shell 4 are respectively provided with a first flexible solar panel (not shown in the figure), the connecting arm 1 is of a rectangular tube structure which is formed by a top plate 11, a bottom plate 13 and two side plates together, the top plate 11 and the side plates 12 are respectively provided with a second flexible solar panel (not shown in the figure), the two side plates 12 are movably connected with the top plate 11 in a mode of upwards turning around the two side edges of the width direction of the top plate 11, the top plate 11 is provided with a limiting structure for limiting the side plates 12 to turn to be horizontal, the bottom plate 13 of the connecting arm 1 is provided with an air bag 5 which plays a role in buffering when the unmanned aerial vehicle descends, and the air bag 5 is positioned at the second end of the connecting arm 1, an MCU controller, a storage battery (not shown in the figure) and a charging and discharging circuit module (not shown in the figure) are installed in the shell 4, the first flexible solar panel and the second flexible solar panel are in charging connection with the storage battery through the charging and discharging circuit module, and the storage battery is in power supply connection with the MCU controller; and the MCU controller is in control connection with the flight control system. Specifically, the storage battery supplies power for the operation of the MCU controller 10; the motor 2 is connected with the corresponding output end of the MCU controller 10 through a lead, so that the MCU controller 10 is electrically connected with the motor 2.

Specifically, the MCU controller 10 may be an existing MCU controller, or the MCU controller 10 may be an existing microcontroller. The shell 4 and the connecting arm 1 are both made of magnesium alloy or aluminum alloy for aviation, and can also be made of the existing carbon fiber material (similar to the existing fishing rod), so that the weight can be greatly reduced, and the cruising ability can be improved. The first flexible solar panel and the second flexible solar panel are both available, and the known flexible solar panel is very thin, can be bent and is very light, and is not as thick and heavy as the existing common solar panel. First flexible solar panel and the flexible solar panel of second are direct to be pasted the snap-on corresponding casing 4 and linking arm 1 through glue or magic, so not only can reduce cost, can greatly alleviate weight simultaneously, promote duration. The charging and discharging circuit module is in the prior art.

It should be noted that: the utility model discloses an unmanned aerial vehicle that duration is stronger is similar to current four rotor unmanned aerial vehicle, the utility model discloses an unmanned aerial vehicle that duration is stronger's flight principle is the same with four rotor unmanned aerial vehicle, and this principle is known so just not giving unnecessary details for having now.

In this embodiment, the air bag 5 is provided with anti-slip lines for increasing the contact area and preventing slipping. Adopt above-mentioned structure setting, the anti-skidding line of setting is used for increasing area of contact to play anti-skidding effect on the one hand, is convenient for steadily land. On the other hand, the thickness of the part of the air bag 5, which is in contact with the ground, is increased, and the air bag 5 is protected and the abrasion is reduced.

In this embodiment, every be filled with the noble gas that density is less than the density of air in the gasbag 5, because the noble gas density is less than air density, so according to the knowledge of physical buoyancy, gasbag 5 can assist and promote the unmanned aerial vehicle and rise, and the reduction is influenced by gravity, so according to being favorable to the flight and can reducing the power loss when flying, so can further promote duration. Four 5 area of gasbag always are less than the control main part with 1 orthographic projection area of linking arm satisfies support and buffering unmanned aerial vehicle descending can. By adopting the structure, the buoyancy of air to the connecting arm 1 is increased. When unmanned aerial vehicle descends on uneven ground, through four 5 smooth contacts ground of gasbag on the linking arm 1, play support and cushioning effect to unmanned aerial vehicle, reduce the recoil force that unmanned aerial vehicle touched to the ground, protect the inside electronic component of unmanned aerial vehicle effectively. Simultaneously, each gasbag 5 can be different through inside atmospheric pressure bearing atress for the atress is changeed balancedly when unmanned aerial vehicle contacts to the ground, so can adapt to and descend on the uneven bottom surface of height. The problem of current unmanned aerial vehicle can only descend and carry out descending with horizontal platform or rely on the horizontal stand is solved.

In this embodiment, the top plate 11 is provided with two elastic protruding blocks 14 extending along the width direction thereof, the two protruding blocks 14 are disposed on the top plate 11 in an aligned manner, the side plate 12 is provided with extending portions correspondingly clamped between the two protruding blocks 14, the two protruding blocks 14 are provided with first through holes in an aligned manner, the extending portions are provided with second through holes in positions of the first through holes, the protruding blocks 14 are provided with pin shafts 15 penetrating through the second through holes and having two end portions located outside the first through holes, the protruding columns 16 located from the pin shafts 15 to the edge of the top plate 11 are disposed on two opposite side walls of the protruding blocks 14 in an aligned manner, the end surfaces of the protruding columns 16 are arc-shaped, concave pits for clamping the protruding columns 16 are concavely provided on the extending portions of the side plate 12, the protruding blocks 14, the extending portions of the side plate 12, the first through holes, and the second through holes are provided in an aligned, The pin shaft 15, the convex column 16 and the concave pit jointly form the limiting structure. Adopt above-mentioned structure setting, when sunshine is sufficient, can directly open the flight with the upset of both sides board 12, the area that the flexible solar energy of increase second received sunshine is favorable to promoting battery charging efficiency. When the storage battery needs to be charged, the two side plates 12 are directly turned and opened, the area of the second flexible solar energy for receiving sunlight is increased, and the charging efficiency of the storage battery is favorably improved. So can improve as required and to battery efficiency, promote unmanned aerial vehicle's duration.

In this embodiment, the bottom plate 13 is concavely provided with a plurality of recessed cavities corresponding to the two side plates 12, the plurality of recessed cavities are embedded with permanent magnets 131, the side plates are provided with metal sheets 132 installed corresponding to the permanent magnets 131 and magnetically attracted to the permanent magnets 131, and the permanent magnets 131 and the metal sheets 132 are the above-mentioned connecting structure. Adopt above-mentioned structure setting, inhale mutually through permanent magnet 131 and sheetmetal 132 magnetism for it is fixed to correspond both sides board 12 on the bottom plate 13, can guarantee that unmanned aerial vehicle flies in both sides board 12 and open at will, causes the influence to the flight, simple structure and practicality simultaneously.

In this embodiment, it is further preferable that a plurality of seal bars opened by the permanent magnets 131 are further provided on the bottom plate 13 at positions corresponding to the two side plates 12. Adopt above-mentioned structure setting, can play the noise when reducing both sides board 12 and bottom plate 13 fixed, can also play sealed effect simultaneously, reduce the windage that unmanned aerial vehicle flight is.

As a preferred of this embodiment, correspond the equal magic of position of both sides board 12 on the bottom plate 13 and paste female, curb plate 12 install with the public piece is pasted to magic subsides female matched with magic, this magic subsides female with the public piece is above-mentioned connection structure is pasted to the magic. Adopt above-mentioned structure setting, can guarantee that unmanned aerial vehicle flies in both sides board 12 opens at will, cause the influence to flight, simple structure connects firmly practical and light in weight simultaneously.

As a preferred example of this embodiment, each of the connecting arms 1 is provided with one of the second flexible solar panels, and each of the second flexible solar panels is fixedly connected to the two side plates 12 of the connecting arm 1 in a manner that the top plate 11 of the connecting arm 1 is folded back toward the two side plates 12. Adopt above-mentioned structure setting, firstly realize utilizing the area of the 1 curb plate 12 of linking arm and the 11 junction of roof, furthest enlarges the flexible solar panel area of second, is favorable to promoting charge efficiency. Secondly, when the lateral plate 12 is not turned over and opened, the second flexible solar panel is bent and tightly attached to the joint of the lateral plate 12 and the top plate 11, and the joint of the lateral plate 12 and the top plate 11 is plugged, so that rounded corner transition is realized, wind resistance is reduced, and flight is facilitated.

As a further preference of this embodiment, the utility model discloses an unmanned aerial vehicle that duration is stronger still includes mobile terminal 02, mobile terminal 02 has the human-computer interaction module, still install in casing 4 be used for with mobile terminal 02 carries out the wireless communication module 03 that communicates (here wireless communication module 03 adopts current), wireless communication module 03 with MCU controller data transmission connects, mobile terminal 02 pass through basic station 01, cloud ware with wireless communication module 03 communication connects. Specifically, mobile terminal 02 is the cell-phone, and wireless communication module 03 adopts current, and the touch-sensitive screen of the current touch screen cell-phone that human-computer interaction module indicated adopts above-mentioned structure setting, and the cell-phone carries out communication connection often through base station 01 and wireless communication module 03, and it is right to realize the cell-phone the utility model discloses an unmanned aerial vehicle flies and controls, and the picture transmission that unmanned aerial vehicle took when flying gives the cell-phone to there is the cell-phone to show. In other words, the cell-phone is controlled the utility model discloses an unmanned aerial vehicle is similar with the current principle of controlling unmanned aerial vehicle through the remote sensing, also can adopt the conventional means in this field right the utility model discloses an unmanned aerial vehicle flight is controlled to the work of making a video recording.

In this embodiment, flight control system includes GPS module 04, data storage module 05 and 360 cameras or miniature camera 06, GPS module 04 and data storage module 05 install in the casing 4, GPS module 04 with MCU controller 10 both way junction, storage module with MCU controller 10 data transmission connects, 360 cameras or miniature camera 06 install on the bottom of casing 4, 360 cameras or miniature camera 06 are in the bottom middle part department of casing 4, 360 cameras or miniature camera 06 with MCU controller 10 data transmission connects. 360 camera here or miniature camera 06 all adopt to be current, and GPS module 04 also adopts to be current, and data storage module 05 adopts current tf card or current ordinary RAM card, adopts above-mentioned structure setting, mainly makes things convenient for 360 cameras or miniature camera 06 to make a video recording comprehensively, and easy to assemble. The GPS module 04 who sets up, it is mainly convenient right the utility model discloses unmanned aerial vehicle fixes a position, can learn the descending position of unmanned aerial vehicle more fast for the convenience of the user, makes things convenient for unmanned aerial vehicle's search for unmanned aerial vehicle is difficult for losing. More specifically, once there is the battery when electrified, MCU controller 10 will GPS module 04 work, and MCU controller 10 sends positional information for mobile terminal 02 through wireless communication module 03 for unmanned aerial vehicle is difficult for losing.

In this embodiment, the storage battery is electrically connected to the MCU controller 10, each of the motors 2, the wireless communication module 03, the GPS module 04, the 360 ° camera or the micro camera 06, and the data storage module 05.

In this embodiment, it is further preferable that the height of the housing 4 supported by the airbag 5 is H1, the 360 ° camera or the micro camera 06 is located at a length L1 outside the bottom of the housing 4, and H1 and L1 satisfy H1 > L1. Can the gasbag 5 prop up like this during casing 4, 360 cameras or miniature camera 06 are in can not contact ground outside the bottom of casing 4, when avoiding descending, 360 cameras or miniature camera 06 bump and lead to damaging.

The utility model relates to an unmanned aerial vehicle that duration is strong still has following beneficial effect:

(1) through all being provided with first flexible solar panel on the upper surface and the lateral wall at casing 4, all be provided with the flexible solar panel of second on roof 11 and both sides board 12, first flexible solar panel and the flexible solar panel of second pass through charge-discharge circuit module and battery electricity and be connected. Therefore, in the flight process, the first flexible solar panel and the second flexible solar panel continuously receive sunlight, continuously convert solar energy into electric energy, and store the electric energy through the storage battery, so that the storage battery is continuously charged. And because the storage battery is used as a power supply during flight (namely the storage battery directly supplies power to the MCU controller 10 and the motor 2), the cruising ability is improved, and uninterrupted power is realized.

(2) Through being provided with gasbag 5 on bottom plate 13, when the battery exhausts soon or when meetting emergency, through four 5 steady supports of gasbag, play support and cushioning effect to unmanned aerial vehicle, reduce the recoil that unmanned aerial vehicle touched to the ground, protect the inside electronic component of unmanned aerial vehicle effectively. Simultaneously, each gasbag 5 can be different through inside atmospheric pressure bearing atress for the atress is changeed balancedly when unmanned aerial vehicle contacts to the ground, so can adapt to and descend on the uneven bottom surface of height. The problem of current unmanned aerial vehicle can only descend and carry out descending with horizontal platform or rely on the horizontal stand is solved, easily ground emergence when also solving unmanned aerial vehicle and adopting the fixed footing to support to fall to the ground and colliding with takes place.

(3) Each air bag 5 is filled with rare gas with density less than that of air; so according to the knowledge of physical buoyancy, because rare gas density is little than air density, gasbag 5 can assist the promotion to unmanned aerial vehicle rise, reduces to receive the gravity to influence, so according to be favorable to the flight and can reduce the power loss when flying, so can further promote duration.

(4) The GPS module 04 who sets up, it is mainly convenient right the utility model discloses unmanned aerial vehicle fixes a position. When the sunshine, first flexible solar panel and the flexible solar panel of second continue to turn into the electric energy with solar energy, charge to the battery for unmanned aerial vehicle can independently charge for the battery, for the convenience of the user can learn the position that unmanned aerial vehicle descends more fast, make things convenient for unmanned aerial vehicle's search, make unmanned aerial vehicle be difficult for losing.

Therefore, the utility model relates to an unmanned aerial vehicle that duration is strong, it not only promotes duration effectively, and emergent descending is favorable to protecting unmanned aerial vehicle more on the surface of water moreover, and is difficult for losing unmanned aerial vehicle more.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. The utility model provides an unmanned aerial vehicle that duration is strong, includes control main part and four linking arms that encircle control main part circumference and arrange and first end and control main part fixed connection, install the realization on the second end of linking arm and drive the flight control system of main part flight, its characterized in that: the control main body comprises a square and sealed shell, first flexible solar panels are arranged on the upper surface and the side wall of the shell, the connecting arm is a rectangular tube structure which is formed by enclosing a top plate, a bottom plate and two side plates together, second flexible solar panels are arranged on the top plate and the side plates, the two side plates are movably connected with the top plate in an upward turning mode around the two side edges of the width direction of the top plate, a limiting structure used for limiting the side plates to turn to the horizontal direction is arranged on the top plate, the two side plates are fixed with the bottom plate through a connecting structure, an air bag for buffering the unmanned aerial vehicle when descending is arranged on the bottom plate of the connecting arm, the air bag is positioned at the second end of the connecting arm, an MCU controller, a storage battery and a charging and discharging circuit module are arranged in the shell, and the first flexible solar panels and the second flexible solar panels are connected with the storage battery through the charging and discharging, the storage battery is in power supply connection with the MCU controller; and the MCU controller is in control connection with the flight control system.

2. The unmanned aerial vehicle with high cruising ability of claim 1, wherein: the air bag is provided with anti-skid lines for increasing the contact area and playing an anti-skid role.

3. The unmanned aerial vehicle with high cruising ability of claim 2, wherein: rare gas with density smaller than that of air is filled in each air bag, and the sum of the areas of the four air bags is smaller than the orthographic projection area of the control main body and the connecting arm.

4. A powerful unmanned aerial vehicle as claimed in any one of claims 1-3, wherein: the top plate is provided with two elastic lugs extending along the width direction of the top plate, the two lugs are arranged on the top plate in a contraposition way, the side plates are respectively provided with an extending part correspondingly clamped between the two lugs, the two lugs are provided with a first through hole in an aligned way, a second through hole is arranged at the position of the first through hole on the extension part, a pin shaft which penetrates through the second through hole and is positioned outside the first through hole at the two end parts is arranged on the lug, the two opposite side walls of the lug are provided with convex columns which are positioned outside the edge of the top plate from the pin shaft in an aligned way, the end surface of the convex column is arc-shaped, a concave pit for the convex column to be clamped is concavely arranged on the extension part of the side plate, the convex block, the extending part of the side plate, the first through hole, the second through hole, the pin shaft, the convex column and the concave pit jointly form the limiting structure.

5. The unmanned aerial vehicle of claim 4, wherein the unmanned aerial vehicle further comprises: the bottom plate is provided with a plurality of concave cavities corresponding to the two side plates, permanent magnets are embedded in the concave cavities, the side plates are provided with metal sheets corresponding to the permanent magnets and magnetically attracted with the permanent magnets, and the permanent magnets and the metal sheets are of the connecting structure.

6. The unmanned aerial vehicle of claim 4, wherein the unmanned aerial vehicle further comprises: the equal magic of position of corresponding both sides board on the bottom plate is pasted the master, the curb plate install with the public piece is pasted to magic subsides master matched with, this magic subsides the master with the public piece is above-mentioned connection structure is pasted to the magic.

7. The unmanned aerial vehicle of claim 5, wherein the unmanned aerial vehicle further comprises: each connecting arm is provided with one second flexible solar panel, and each second flexible solar panel is fixedly connected with the two side plates of the connecting arm in a mode that the top plate of the connecting arm is folded towards the two side plates.