1. A flexible solar panel foldable unmanned aerostat is characterized by comprising a machine body (1), the machine body (1) comprises a receiving arm (12) and a fixing arm (13) which are vertical to each other, the containing arm (12) and the fixing arm (13) form a cross shape, an ellipsoidal main body (11) is fixed at the cross position, the upper and lower sides of the two ends of the containing arm (12) and the fixed arm (13) are respectively provided with a rotor wing (2) and a navigation lamp (28), the main body (11) is provided with a rotary bracket (32) at the position corresponding to the space between the containing arm (12) and the fixed arm (13), the rotating bracket (32) is provided with a flexible solar energy combination plate (3), the rotating bracket (32) has a rotating angle of 90 degrees, namely, an included angle is formed between the containing arm (12) and the fixing arm (13), and the flexible solar combination plate (3) is in a fan shape with an included angle of 90 after being unfolded on the rotating bracket (32).

2. The foldable unmanned aerostat for the flexible solar panel according to claim 1, wherein a rotating bracket fixing shaft (31) and a motor fixing shaft (34) are mounted on the main body (11) at a position corresponding to a position between the receiving arm (12) and the fixing arm (13), the rotating bracket fixing shaft (31) is rotatably connected with the rotating bracket (32) through a bearing (38), meshing teeth are arranged on the rotating bracket (32), a rotating motor (33) is sleeved on the motor fixing shaft (34), a gear (35) is connected with the rotating motor (33), and the gear (35) is meshed with the meshing teeth;

the rotating bracket (32) comprises n annular rotating plates (32-1), the rotating plates (32-1) are all arranged on the bearing (38) from bottom to top, when the rotating plates (32-1) are unfolded, the first rotating plate (32-1) does not need to rotate, namely, meshing teeth are not formed on the first rotating plate (32-1), meshing teeth are formed on the second rotating plate (32-1) to achieve 0-degree to (90/n-1) degree, meshing teeth are formed on the third rotating plate (32-1)1 to achieve 0-degree to 2-degree (90/n-1) degree rotation, and by the analogy, the meshing teeth are formed on the side wall of the n rotating plate (32-1) to achieve 0-degree to 90-degree rotation, and rotating fan blades (32-2) are fixed on one side of the rotating plate (32-1) far away from the meshing teeth, each rotating sheet (32-1) is meshed with a gear (35), each rotating fan blade (32-2) is perpendicular to the horizontal plane, a plurality of folding pieces (303) are uniformly fixed above the rotating fan blades (32-2) along the length direction of the rotating fan blades, the folding pieces (303) are symmetrically distributed on the rotating fan blades (32-2), two ends of each folding piece (303) are respectively located on two sides of each rotating fan blade (32-2), two ends of each folding piece (303) are respectively and fixedly connected with a folding arm (302), two adjacent folding arms (302) located on the same side of the same rotating fan blade (32-2) are jointly connected with a flexible solar energy combination plate (3), and the folding arms (302) corresponding to the side where the two adjacent rotating fan blades (32-2) are close to each other are hinged through hinges;

the folding piece (303) comprises a base (303-3) fixed on a rotating fan blade (32-2), the base (303-3) is of a concave plate type structure, the insides of two sides of the concave shape of the base (303-3) are respectively provided with a semicircle, the semicircle at two sides of the base (303-3) is provided with a meshing tooth, the rotating fan blade (32-2) is provided with a base mounting hole, the base (303-3) penetrates through the base mounting hole at one end and clamps the concave opening in the base mounting hole, the meshing teeth at two ends of the base (303-3) are respectively meshed with a rotating plate (303-2), the rotating plate (303-2) is connected with a connecting arm (303-1) through a hinge joint, and the folding arm (302) is fixed on the connecting arm (303-1), the rotating plate (303-2) comprises two rib plates with the same shape, the lower ends of the two rib plates are hinged to a base (303-3) after being connected through a hinge (48), a transition gear (303-4) is fixed between the two rib plates, the transition gear (303-4) is meshed with meshing teeth on the base (303-3), one end, far away from a rotating fan blade (32-2), of each of the two rib plates is hinged to a connecting arm (303-1), and one end, connected with the rib plates, of the connecting arm (303-1) is provided with meshing teeth meshed with the transition gear (303-4);

rotatory flabellum (32-2) upper end is still fixed to be provided with horizontally and follows combination board (301) that rotatory flabellum (32-2) length direction set up, the width of combination board (301) with rotatory flabellum (32-2) expand back same rotatory flabellum (32-2) both sides flexible solar energy combination board (3) between the interval the same, combination board (301) upper berth is equipped with flexible solar energy combination board (3).

3. The foldable unmanned aerostat for flexible solar panels according to claim 2, wherein solar panel storage compartments (16) are arranged on two sides of the storage arms (12) at two ends of the main body (11), solar panel fixing compartments (17) are arranged on two sides of the fixing arms (13) at two ends of the main body (11), hydraulic fixing structures (37) are arranged in the solar panel storage compartments (16) and the solar panel fixing compartments (17), each hydraulic fixing structure (37) comprises electric hydraulic telescopic rods (37-1) correspondingly arranged on the upper side wall and the lower side wall of each solar panel storage compartment (16) and each solar panel fixing compartment (17), extending ends of the electric hydraulic telescopic rods (37-1) on the upper side and the lower side are correspondingly arranged and are fixedly connected with fixing columns (37-2), and the rotary fan blades (32-2) are contracted to the solar panel storage compartments (16) or the solar panel fixing compartments (17) (17) When the fan is used, a fixing hole is formed in the position, corresponding to the electric hydraulic telescopic rod (37-1), of the rotating fan blade (32-2), and the fixing column (37-2) extends into the fixing hole;

and sliding blocks (39) are further arranged on the upper side and the lower side of each rotating fan blade (32-2), and sliding rails (36) are arranged in the positions corresponding to the sliding blocks (39) in the solar panel containing cabin (16) and the solar panel fixing cabin (17).

4. The foldable unmanned aerostat of flexible solar panel according to claim 3, further comprising a flight controller (110) and a power management module (111) which are arranged on the airframe (1), wherein the flight controller (110) and the power management module (111) are electrically connected through a wire, the flexible solar combination panel (3) is connected in series through the wire and then connected with the power management module (111) through the wire, the power management module (111) is electrically connected with a battery pack A (19) and a battery pack B (101) through a cable, and the battery pack B (101) and the flight controller (110) are respectively connected with the rotor (2), the navigation light (28), the electric hydraulic telescopic rod (37-1) and the rotating motor (33) through wires.

5. The flexible solar panel foldable unmanned aerostat according to claim 4, wherein an onboard communication antenna (109) and a photoelectric pod (18) are respectively arranged above and below the main body (11), and the onboard communication antenna (109) and the photoelectric pod (18) are respectively connected with the battery pack A (19) and the flight controller (110) through wires.

6. The foldable unmanned aerostat for the flexible solar panel according to claim 4, wherein landing gear bays (14) are arranged below middle positions of two sides of the main body (11) of the fixed arm (13) and the storage arm (12), electric landing gear doors (15) are mounted on the landing gear bays (14), landing gears A (4-1) are mounted in the landing gear bays (14) of the storage arm (12), landing gears B (4-2) are mounted in the landing gear bays (14) of the fixed arm (13), and the electric landing gear doors (15), the landing gears A (4-1) and the landing gears B (4-2) are connected with the battery packs B (101) and the flight controller (110) through wires.

7. The flexible solar panel foldable unmanned aerostat according to claim 6, wherein the landing gear A (4-1) and the landing gear B (4-2) are identical in structure and each comprise a hydraulic rod rotating shaft (42), a support arm rotating shaft (43-3) and a stand column rotating shaft (45) which are fixedly installed in the landing gear bay (14), the hydraulic rod rotating shaft (42), the support arm rotating shaft (43-3) and the stand column rotating shaft (45) are respectively hinged with an electric hydraulic rod A (41), a support arm A (43-1) and a stand column (44), the other end of the electric hydraulic rod A (41) is hinged on the upper portion of the stand column (44), the other end of the support arm A (43-1) is jointly connected with a support arm B (43-2) and a locking device (43-4), the other end of the locking device (43-4) is hinged to a hinge of an electric hydraulic rod A (41) connected with an upright post (44), the locking device (43-4) comprises two connecting rods connected through hinges, the other ends of the two connecting rods are respectively hinged to a hinge of a supporting arm A (43-1) and a supporting arm B (43-2) and a hinge of the electric hydraulic rod A (41) connected with the upright post (44), the other end of the supporting arm B (43-2) is hinged to the lower portion of the upright post (44), a damping spring (46) is installed at the other end of the upright post (44), one side, far away from a machine body, of the damping spring (46) is provided with a wheel (47), and the electric hydraulic rod A (41) is connected with the battery pack B (101) and a flight controller (110) through a lead;

the undercarriage A (4-1) and the undercarriage B (4-2) are different in that the undercarriage A (4-1) is of a single-wheel structure, the undercarriage B (4-2) is of a double-wheel structure, the undercarriage A (4-1) is stored in the front-back direction, and the undercarriage B (4-2) is stored in the left-right direction.

8. The flexible solar panel foldable unmanned aerostat according to claim 7, the landing gear door (15) comprises three door panels, the first door panel is hinged with the landing gear compartment (14), the first door plate is also hinged with an electric hydraulic rod B (401), the other end of the electric hydraulic rod B (401) is hinged with the upright post (44), the second door plate is connected with the third door plate through a hinge (48), the two ends of the inner side of the second door panel are also hinged with connecting arms (49), the inner side of the third door panel is hinged with an electric hydraulic rod C (402), the other end of the electric hydraulic rod C (402) is hinged to the lower end of the upright post (44), and the electric hydraulic rod B (401) and the electric hydraulic rod C (402) are respectively connected with the battery pack B (101) and the flight controller (110) through leads.

9. The flexible solar panel collapsible unmanned aerostat according to any one of claims 4-8, characterized in that the rotor (2) comprises a rotor shell (23), the rotor shell (23) is connected with the tail ends of the containing arm (12) and the fixing arm (13), a heat dissipation port is arranged below the rotor shell (23), a propeller motor (21) is installed in the rotor shell (23), the propeller motor (21) is connected with a propeller hub (26) through a propeller hub motor connecting arm (24), the propeller hub (26) is connected with blades (22) through a propeller hub blade connecting arm (27), a propeller cap (25) is installed outside the propeller hub (26), the propeller motor (21) is connected with an electronic speed regulator (29) through a lead, the electronic speed regulator (29) is connected with the battery pack B (101) and the flight controller (110) through a lead.

10. The foldable unmanned aerostat with flexible solar panels according to claim 9, wherein the hydrogen fuel cell (102) is further connected with a power management module (111) through a conducting wire, the hydrogen fuel cell (102) is connected with a hydrogen storage tank (103) through a first air inlet pipe (106), the hydrogen fuel cell (102) is further connected with a compressor (105) through a second air inlet pipe (107), the compressor (105) is provided with an air inlet (104), the air inlet (104) is connected with an oxygen pipe, and the hydrogen storage tank (103) is further provided with a hydrogen adding port (108).

Background

The solar unmanned aerial vehicle is an electric aircraft using solar radiation as an energy source, and is a product combining an aviation scientific technology and a new energy technology. The solar unmanned aerial vehicle converts solar energy into electric energy by means of a solar cell panel in the daytime, maintains the operation of a power system, avionics equipment and a payload, and simultaneously charges an airborne battery by using residual energy; the energy stored in the airborne power supply is utilized to maintain the normal operation of the whole unmanned aerial vehicle at night. The energy power system takes one day as a cycle, and no fuel is consumed, so that the solar unmanned plane has an ultra-long endurance ranging from weeks to months. Compared with a conventional unmanned aerial vehicle, the solar unmanned aerial vehicle has obvious advantages and very wide application prospect, and can even play the role of an atmospheric satellite. The solar unmanned aerial vehicle can be used for investigation and patrol in the military aspect, and can be used for remote sensing detection and communication relay in the civil aspect.

Chinese invention patent CN108557081A discloses "a solar energy wing-connected unmanned aerial vehicle and a control method thereof", which mainly comprises: tail vaulting pole, wing and nacelle subassembly, mainly used solve current super large aspect ratio unmanned aerial vehicle structural strength poor, design difficulty and current unmanned aerial vehicle are simple motor control, can not cooperate the steering wheel to realize the problem of integrated control, though this solar energy unmanned aerial vehicle has the advantage in the aspect of the control, but it can not realize VTOL, has restricted this solar energy unmanned aerial vehicle's application range greatly.

Chinese invention patent CN108762313A discloses a solar cell dragging type electromagnetic folding and storing method for solar unmanned aerial vehicles, which changes the solar cell dragged by a rope or a connecting rod into an electromagnetic folding and storing method, so that manual processing is changed into automatic storing, but the solar cell panel is still a dragging type external structure, so that the unmanned aerial vehicles are extremely unstable in the process of taking off and landing, and the dragging type structure is not suitable for being installed on the unmanned aerial vehicles taking off and landing vertically.

In conclusion, most of the existing solar unmanned aerial vehicles adopt the layout of the fixed wings, and need a runway during takeoff and landing, the runway greatly limits the application range of the fixed wing solar unmanned aerial vehicle, because the solar radiation intensity is weak, the photoelectric conversion rate of the solar panel is also low, the area of the solar panel needs to be enlarged in order for the solar unmanned aerial vehicle to maintain normal flight and work under limited allowable power, at present, two ways are provided for solving the problem, one of the solar unmanned aerial vehicle is characterized in that a solar panel is arranged above the wings, so that most of the solar panels adopt light wings, the strength of the wings is weakened, the stability of the solar unmanned aerial vehicle is reduced, its two adopt beta structure, present beta structure all is pulling a solar energy joint plate behind unmanned aerial vehicle, also makes solar energy unmanned aerial vehicle's wholeness and stability reduce like this. In order to solve the above problems, it is very important to design a solar unmanned aerial vehicle with vertical take-off and landing and a solar panel capable of being folded.

Disclosure of Invention

The invention aims to provide a foldable unmanned aerostat for a flexible solar panel, which can vertically take off and land, wherein a flexible solar combination plate is stored in a machine body in the take-off and landing processes, and the flexible solar combination plate is unfolded to work in the high-altitude operation process.

The invention adopts the technical scheme that the foldable unmanned aerostat of the flexible solar panel comprises a machine body, wherein the machine body comprises a receiving arm and a fixing arm which are perpendicular to each other, the receiving arm and the fixing arm form a cross shape, an ellipsoidal main body is fixed at the cross position of the cross shape, a rotor wing and a navigation lamp are respectively arranged at the upper side and the lower side of the two ends of the receiving arm and the fixing arm, a rotating bracket is respectively arranged at the position, corresponding to the position between the receiving arm and the fixing arm, on the main body, a flexible solar combination plate is arranged, the rotating bracket rotates by 90 degrees, namely the included angle between the receiving arm and the fixing arm is formed, and the flexible solar combination plate is in a sector shape with the included angle of 90 degrees after being unfolded on the rotating bracket.

The present invention is also characterized in that,

a rotating bracket fixing shaft and a motor fixing shaft are arranged at the position, corresponding to the position between the containing arm and the fixing arm, of the main body, the rotating bracket fixing shaft is rotatably connected with a rotating bracket through a bearing, meshing teeth are arranged on the rotating bracket, a rotating motor is sleeved on the motor fixing shaft, a gear is connected to the rotating motor, and the gear is meshed with the meshing teeth;

the rotating bracket comprises n annular rotating pieces, the rotating pieces are all arranged on a bearing from bottom to top, when the rotating pieces are unfolded, the first rotating piece does not need to rotate, namely, meshing teeth are not engraved on the first rotating piece, meshing teeth are engraved on the second rotating piece so as to realize 0-90/n-1 degree, meshing teeth are engraved on the third rotating piece so as to realize 0-2-90/n-1 degree rotation, so that the meshing teeth are engraved on the side wall of the nth rotating piece so as to realize 0-90 degree rotation, rotating fan blades are fixed on one sides of the rotating pieces far away from the meshing teeth, each rotating piece is meshed with a gear, each rotating fan blade is vertical to a horizontal plane, a plurality of folding pieces are uniformly fixed above the rotating fan blades along the length direction of the rotating fan blades, the folding pieces are symmetrically distributed on the rotating fan blades, and two ends of the folding pieces are respectively positioned on two sides of the rotating fan blades, two ends of the folding piece are respectively and fixedly connected with folding arms, two adjacent folding arms positioned on the same side of the same rotating fan blade are jointly connected with a flexible solar combination plate, and the folding arms corresponding to the sides, close to the two adjacent rotating fan blades, of the two adjacent rotating fan blades are hinged through hinges;

the folding piece comprises a base fixed on the rotating fan blade, the base is of a concave plate structure, the insides of two sides of the concave base are semicircular, the semicircular parts of the two sides of the base are provided with meshing teeth, the rotating fan blade is provided with a base mounting hole, the base penetrates through the base mounting hole at one end and clamps a concave opening in the base mounting hole, the meshing teeth at two ends of the base are respectively meshed with a rotating plate, the rotating plate is connected with a connecting arm through a hinge, the folding arm is fixed on the connecting arm, the rotating plate comprises two rib plates with the same shape, the lower ends of the two rib plates are hinged on the base through hinges, a transition gear is fixed between the two rib plates and is meshed with the meshing teeth on the base, the hinged connecting arm is arranged at one end, far away from the rotating fan blade, of the connecting arm, and the meshing teeth meshed with the transition gear are arranged at one end, connected with the rib plates;

the upper end of the rotating fan blade is also fixedly provided with a horizontal combination plate which is arranged along the length direction of the rotating fan blade, the width of the combination plate is the same as the distance between the flexible solar combination plates on two sides of the same rotating fan blade after the rotating fan blade is unfolded, and the flexible solar combination plates are paved on the combination plates.

The solar panel containing cabin is arranged on two sides of the containing arm, which are located at two ends of the main body, the solar panel fixing cabin is arranged on two sides of the fixing arm, which are located at two ends of the main body, the hydraulic fixing structure is arranged in the solar panel containing cabin and the solar panel fixing cabin, the hydraulic fixing structure comprises electric hydraulic telescopic rods correspondingly arranged on the upper side wall and the lower side wall of the solar panel containing cabin and the solar panel fixing cabin, the extending ends of the electric hydraulic telescopic rods, which are located on the upper side and the lower side, are correspondingly arranged and fixedly connected with fixing columns, when the rotating fan blades are contracted into the solar panel containing cabin or the solar panel fixing cabin, fixing holes are formed in the positions, corresponding to the electric hydraulic telescopic rods, on the rotating fan blades, and the fixing columns stretch into the fixing holes; the upper side and the lower side of each rotating fan blade are also provided with sliding blocks, and sliding rails are arranged at the positions, corresponding to the sliding blocks, in the solar panel containing cabin and the solar panel fixing cabin.

Still including setting up flight controller and the power management module on the fuselage, flight controller and power management module pass through the wire electricity and connect, connect power management module through the wire after a plurality of flexible solar energy combination boards pass through the wire and establish ties, power management module is connected with group battery A and group battery B through the cable electricity, group battery B and flight controller connect rotor respectively through the wire respectively, the navigation lamp, electronic hydraulic telescoping rod and rotating electrical machines.

An airborne communication antenna and a photoelectric pod are further arranged above and below the main body respectively, and the airborne communication antenna and the photoelectric pod are connected with the battery pack A through leads respectively.

The fixed arm and the lower part of the storage arm in the middle of the two sides of the main body are provided with landing gear cabins, electric landing gear doors are installed on the landing gear cabins, landing gear A is installed in the landing gear cabin of the storage arm, landing gear B is installed in the landing gear cabin of the fixed arm, and the electric landing gear doors, the landing gear A and the landing gear B are connected with the battery pack B and the flight controller through wires.

The undercarriage A and the undercarriage B have the same structure and respectively comprise a hydraulic rod rotating shaft, a support arm rotating shaft and an upright post rotating shaft which are fixedly arranged in an undercarriage cabin, the hydraulic rod rotating shaft, the support arm rotating shaft and the upright post rotating shaft are respectively articulated with an electric hydraulic rod A, a support arm A and an upright post, the other end of the electric hydraulic rod A is articulated at the upper part of the upright post, the other end of the support arm A is jointly articulated with a support arm B and a locking device, the other end of the locking device is articulated on a hinge connected with the electric hydraulic rod A and the upright post, the locking device comprises two connecting rods connected through a hinge, the other ends of the two connecting rods are respectively articulated on the hinge articulated with the support arm A and the support arm B and the hinge connected with the upright post, the other end of the support arm B is articulated at the lower part of the upright post, the other end of the upright post is provided with a damping spring, and one side of the damping spring, which is far away from the undercarriage body, is provided with an airplane wheel, the electric hydraulic rod A is connected with the battery pack B and the flight controller through a lead;

the undercarriage A and the undercarriage B are different in that the undercarriage A is of a single-wheel structure, the undercarriage B is of a double-wheel structure, the undercarriage A is stored in the front-back direction, and the undercarriage B is stored in the left-right direction.

The undercarriage cabin door includes three door plants, first slice door plant is articulated with the undercarriage cabin, and first slice door plant still articulates there is electronic hydraulic stem B, the electronic hydraulic stem B other end articulates at the stand, pass through hinged joint between second piece and the third piece door plant, the inboard both ends of second piece door plant still articulate there is the linking arm, the inboard articulated electronic hydraulic stem C that has of third piece door plant, the electronic hydraulic stem C other end articulates at the stand lower extreme, electronic hydraulic stem B, electronic hydraulic stem C connects group battery B and flight controller through the wire respectively.

The rotor includes the rotor shell, and the rotor shell is connected with the end of accomodating arm and fixed arm, and the below of rotor shell is provided with the thermovent, installs the propeller motor in the rotor shell, and the propeller motor is connected with the propeller hub through propeller hub motor linking arm, and the propeller hub passes through propeller hub paddle linking arm and connects the paddle, and the oar cap is installed to the outside of propeller hub, and wherein the propeller motor is connected with electronic governor through the wire, and electronic governor passes through the wire and connects group battery B and flight control ware.

The hydrogen fuel cell is connected with a power management module through a lead, the hydrogen fuel cell is connected with a hydrogen storage tank through a first air inlet pipe, the hydrogen fuel cell is connected with a gas compressor through a second air inlet pipe, the gas compressor is provided with an air inlet, the air inlet is connected with an oxygen pipe, and the hydrogen storage tank is further provided with a hydrogen adding port.

The invention has the beneficial effects that:

the solar unmanned aerostat can vertically take off and land, a runway is not needed in the taking-off and landing processes, so that the use scene is richer, the flexible solar combination plate is stored in the unmanned aerostat storage arm in the taking-off and landing processes, the stress area in the taking-off and landing processes is smaller, the landing and taking-off are smoother, the flexible solar combination plate is automatically unfolded to work in high-altitude operation, the solar unmanned aerostat is simple and convenient and can be repeatedly used, the flight principle of a kite is adopted in the high-altitude flight process, so that the electric energy required by the solar unmanned aerostat is less, the dead time of the solar unmanned aerostat is increased, and the operation efficiency of the solar unmanned aerostat is improved.

Drawings

FIG. 1 is a schematic structural diagram of a foldable unmanned aerostat for flexible solar panels according to the invention;

FIG. 2 is a schematic structural diagram of a body of the foldable unmanned aerostat with the flexible solar panels according to the invention;

FIG. 3 is a schematic structural diagram of the interior of a main body of the foldable unmanned aerostat with the flexible solar panel according to the invention;

FIG. 4 is a schematic structural diagram of a folding structure of a solar combination plate in the flexible solar panel foldable unmanned aerostat according to the invention;

FIG. 5 is a layout diagram of a panel of a flexible solar combination panel in the foldable unmanned aerostat for flexible solar panels according to the invention;

FIG. 6 is a schematic structural diagram of a rotary support in the foldable unmanned aerostat for the flexible solar panel according to the invention;

FIG. 7 is a driving diagram of a rotating bracket in the foldable unmanned aerostat for a flexible solar panel according to the invention;

FIG. 8 is a schematic structural view of the foldable unmanned aerostat for a flexible solar panel according to the present invention after the combination of the rotating supports;

FIG. 9 is a diagram of the installation layout of four rotating supports in a flexible solar panel foldable unmanned aerostat according to the present invention;

fig. 10 is a schematic diagram of the flexible solar panel foldable unmanned aerostat with four rotary supports disassembled;

FIG. 11 is a schematic structural diagram of a rotor and a rotor blade of the foldable unmanned aerostat according to the invention;

FIG. 12 is a partial schematic structural view of a folding structure in the foldable unmanned aerostat for the flexible solar panel according to the invention;

FIG. 13 is a schematic structural diagram of a folding member of the flexible solar panel foldable unmanned aerostat of the present invention;

FIG. 14 is a schematic view of the connection between the sliding rails and the sliding blocks and the rotating fan blades of the foldable unmanned aerostat with the flexible solar panel according to the present invention;

FIG. 15 is a layout diagram of a hydraulic fixing structure in the foldable unmanned aerostat for the flexible solar panel according to the invention;

FIG. 16 is a schematic view of the combination of a hydraulic fixing structure and rotating blades in the foldable unmanned aerostat for a flexible solar panel according to the present invention;

FIG. 17 is a schematic structural view of a hydraulic fixing structure in the foldable unmanned aerostat for the flexible solar panel according to the invention;

FIG. 18 is a schematic structural view of a landing gear in the flexible solar panel foldable unmanned aerostat according to the invention;

FIG. 19 is a schematic structural view of an electric landing door in the flexible solar panel foldable unmanned aerostat according to the present invention;

FIG. 20 is a schematic view of the connection structure of the electric landing and landing doors in the flexible solar panel foldable unmanned aerostat according to the present invention;

fig. 21 is a schematic structural view of a rotor in the flexible solar panel foldable unmanned aerostat according to the invention;

fig. 22 is a schematic structural diagram of a hydrogen fuel cell in a flexible solar panel foldable unmanned aerostat according to the invention;

fig. 23 is a schematic circuit connection diagram of the flexible solar panel foldable unmanned aerostat according to the invention.

In the figure, 1, a fuselage, 2, a rotor, 3, a flexible solar combination board, 4-1, an undercarriage A, 4-2 and an undercarriage B;

11. the solar energy automobile comprises a main body, 12, a receiving arm, 13, a fixed arm, 14, a landing gear cabin, 15, a landing gear cabin door, 16, a solar panel receiving cabin, 17, a solar panel fixing cabin, 18, a photoelectric gondola, 19, a battery pack A, 101, a battery pack B, 102, a hydrogen fuel cell, 103, a hydrogen storage tank, 104, an air inlet, 105, a gas compressor, 106, a first air inlet pipe, 107, a second air inlet pipe, 108, a hydrogen adding port, 109, an onboard communication antenna, 110, a flight controller and 111, a power management module;

21. propeller motor, 22. blades, 23. rotor shell, 24. hub motor connecting arm, 25. cap, 26. hub, 27. hub blade connecting arm, 28. navigation light, 29. electronic governor;

31. the hydraulic folding device comprises a rotating support fixing shaft, a rotating support, 32-1 rotating pieces, 32-2 rotating fan blades, 33 rotating motors, 34 motor fixing shafts, 35 gears, 36 sliding rails, 37 hydraulic fixing structures, 37-1 electric hydraulic telescopic rods, 37-2 fixing columns, 38 bearings, 39 sliding blocks, 301 combining plates, 302 folding arms, 303 folding pieces, 303-1 connecting arms, 303-2 rotating plates, 303-3 bases and 303-4 transition gears, wherein the rotating support fixing shaft is fixed on the rotating support, and the rotating motor is fixed on the rotating support;

41. the hydraulic support comprises an electric hydraulic rod A, 42, a hydraulic rod rotating shaft, 43-1, a support arm A, 43-2, a support arm B, 43-3, a support arm rotating shaft, 43-4, a locking device, 44, an upright post, 45, an upright post rotating shaft, 46, a damping spring, 47, a wheel, 48, a hinge, 49, a connecting arm, 401, an electric hydraulic rod B, 402 and an electric hydraulic rod C.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The invention relates to a foldable unmanned aerostat with a flexible solar panel, which comprises a machine body 1 as shown in figures 1-5, wherein the machine body 1 comprises a containing arm 12 and a fixing arm 13 which are perpendicular to each other, the containing arm 12 and the fixing arm 13 form a cross shape, an ellipsoidal main body 11 is fixed at the cross position of the cross shape, the upper side and the lower side of two ends of the containing arm 12 and the fixing arm 13 are respectively provided with a rotor wing 2 and a navigation lamp 28, the main body 11 is provided with a rotating bracket 32 at a position corresponding to the position between the containing arm 12 and the fixing arm 13, the rotating bracket 32 is provided with a flexible solar combination plate 3, the rotating bracket 32 has a rotation angle of 90 degrees, namely an included angle between the containing arm 12 and the fixing arm 13, and the flexible solar combination plate 3 is in a fan shape with the included angle of 90 degrees after being unfolded on the rotating bracket 32.

As shown in fig. 6-8, the main body 11 is provided with a rotating bracket fixing shaft 31 and a motor fixing shaft 34 at a position corresponding to the position between the receiving arm 12 and the fixing arm 13, the rotating bracket fixing shaft 31 is rotatably connected with the rotating bracket 32 through a bearing 38, the rotating bracket 32 is provided with meshing teeth, the motor fixing shaft 34 is sleeved with a rotating motor 33, the rotating motor 33 is connected with a gear 35, and the gear 35 is meshed with the meshing teeth on the rotating bracket 32;

as shown in fig. 9-11, the rotating bracket 32 includes n annular rotating plates 32-1, the plurality of rotating plates 32-1 are all sleeved on the bearing 38 from bottom to top, when the plurality of rotating plates 32-1 are unfolded, the first rotating plate 32-1 does not need to rotate, i.e. the first rotating plate 32-1 does not have meshing teeth, the second rotating plate 32-1 has meshing teeth to realize 0 ° to (90/n-1) °, the third rotating plate 32-1 has meshing teeth to realize 0 ° to 2 (90/n-1) °, so that the side wall of the n rotating plate 32-1 has meshing teeth to realize 0 ° to 90 ° rotation, one side of the rotating plate 32-1 far from the meshing teeth is fixed with rotating fan blades 32-2, each rotating plate 32-1 is meshed with the gear 35, each rotating fan blade 32-2 is perpendicular to the horizontal plane, as shown in fig. 12, a plurality of folding members 303 are uniformly fixed above the rotating fan blade 32-2 along the length direction thereof, the folding members 303 are symmetrically distributed on the rotating fan blade 32-2, two ends of each folding member 303 are respectively located at two sides of the rotating fan blade 32-2, two ends of each folding member 303 are respectively and fixedly connected with a folding arm 302, two adjacent folding arms 302 located at the same side of the same rotating fan blade 32-2 are jointly connected with a flexible solar energy combination plate 3, and the folding arms 302 corresponding to the adjacent sides of the two adjacent rotating fan blades 32-2 are hinged through hinges;

as shown in fig. 13, the folding member 303 comprises a base 303-3 fixed on the rotating fan blade 32-2, the base 303-3 is arranged to be a concave plate structure, the inner portion of the concave portion of the base 303-3 is arranged to be a semicircle, the semicircle at the two sides of the base 303-3 is provided with a meshing tooth, the rotating fan blade 32-2 is provided with a base mounting hole, the base 303-3 penetrates through the base mounting hole at one end and clamps the concave opening in the base mounting hole, the meshing teeth at the two ends of the base 303-3 are respectively meshed with a rotating plate 303-2, the rotating plate 303-2 is connected with a connecting arm 303-1 through a hinge, the folding arm 302 is fixed on the connecting arm 303-1, the rotating plate 303-2 comprises two rib plates with the same shape, the lower ends of the two rib plates are connected through a hinge 48 and then hinged on the base 303-3, a transition gear 303-4 is fixed between the two rib plates, the transition gear 303-4 is meshed with the meshing teeth on the base 303-3, one end of each rib plate, which is far away from the rotating fan blade 32-2, is hinged with a connecting arm 303-1, and the end, connected with the rib plate, of the connecting arm 303-1 is provided with the meshing teeth meshed with the transition gear 303-4;

the upper end of the rotating fan blade 32-2 is also fixedly provided with a horizontal combination plate 301 which is arranged along the length direction of the rotating fan blade 32-2, the width of the combination plate 301 is the same as the distance between the flexible solar combination plates 3 at two sides of the same rotating fan blade 32-2 after the rotating fan blade 32-2 is unfolded, and the flexible solar combination plates 3 are paved on the combination plate 301.

As shown in fig. 14-17, the two sides of the receiving arm 12 at the two ends of the main body 11 are respectively provided with a solar panel receiving chamber 16, the two sides of the fixing arm 13 at the two ends of the main body 11 are respectively provided with a solar panel fixing chamber 17, the solar panel receiving chamber 16 and the solar panel fixing chamber 17 are respectively provided with a hydraulic fixing structure 37, the hydraulic fixing structure 37 comprises electric hydraulic telescopic rods 37-1 correspondingly arranged at the upper and lower side walls of the solar panel receiving chamber 16 and the solar panel fixing chamber 17, the extending ends of the electric hydraulic telescopic rods 37-1 at the upper and lower sides are correspondingly arranged and are respectively and fixedly connected with a fixing column 37-2, when the rotary fan blade 32-2 is contracted into the solar panel receiving chamber 16 or the solar panel fixing chamber 17, the position corresponding to the electric hydraulic telescopic rod 37-1 on the rotary fan blade 32-2 is provided with a fixing hole, the fixing post 37-2 extends into the fixing hole.

The upper side and the lower side of each rotating fan blade 32-2 are also provided with a sliding block 39, and sliding rails 36 are arranged in the positions corresponding to the sliding blocks 39 in the solar panel containing cabin 16 and the solar panel fixing cabin 17.

The aircraft comprises a fuselage 1 and is characterized by further comprising a flight controller 110 and a power management module 111 which are arranged on the fuselage 1, wherein the flight controller 110 and the power management module 111 are electrically connected through a lead, the flexible solar combination boards 3 are connected in series through leads and then connected with the power management module 111 through leads, the power management module 111 is electrically connected with a battery pack A19 and a battery pack B101 through cables, and the battery pack B101 and the flight controller 110 are respectively connected with the rotor 2, the navigation light 28, the electric hydraulic telescopic rod 37-1 and the rotating motor 33 through leads.

An onboard communication antenna 109 and a photoelectric pod 18 are further arranged above and below the main body 11 respectively, the onboard communication antenna 109 and the photoelectric pod 18 are connected with a battery pack A19 through leads respectively, the battery pack A19 provides power for avionic equipment in the main body 11, the onboard communication antenna 109 is arranged above the main body 11, and the photoelectric pod 18 provides visual information for the unmanned aerostat.

As shown in fig. 18-20, the fixed arm 13 and the storage arm 12 are provided with a landing gear bay 14 below the middle position of both sides of the main body 11, a motorized landing gear door 15 is installed on the landing gear bay 14, a landing gear a4-1 is installed in the landing gear bay 14 of the storage arm 12, a landing gear B4-2 is installed in the landing gear bay 14 of the fixed arm 13, and the motorized landing gear door 15, the landing gear a4-1 and the landing gear B4-2 are connected with the battery pack B101 and the flight controller 110 through wires.

The landing gear A4-1 and the landing gear B4-2 are identical in structure and respectively comprise a hydraulic rod rotating shaft 42, a supporting arm rotating shaft 43-3 and an upright post rotating shaft 45 which are fixedly arranged in a landing gear cabin 14, the hydraulic rod rotating shaft 42, the supporting arm rotating shaft 43-3 and the upright post rotating shaft 45 are respectively hinged with an electric hydraulic rod A41, a supporting arm A43-1 and an upright post 44, the other end of the electric hydraulic rod A41 is hinged at the upper part of the upright post 44, the other end of the supporting arm A43-1 is jointly connected with a supporting arm B43-2 and a locking device 43-4, the other end of the locking device 43-4 is hinged on a hinge of the electric hydraulic rod A41 connected with the upright post 44, the locking device 43-4 comprises two connecting rods connected through a hinge, the other ends of the two connecting rods are respectively hinged on a hinge of the supporting arm A43-1 and the supporting arm B43-2 and a hinge of the electric hydraulic rod A41 connected with the upright post 44, the other end of the supporting arm B43-2 is hinged at the lower part of the upright post 44, the other end of the upright post 44 is provided with a damping spring 46, one side of the damping spring 46, which is far away from the machine body, is provided with a wheel 47, and the electric hydraulic rod A41 is connected with the battery pack B101 and the flight controller 110 through a lead;

the landing gear A4-1 is different from the landing gear B4-2 in that the landing gear A4-1 is of a single-wheel structure, and the landing gear B4-2 is of a double-wheel structure, wherein the landing gear A4-1 is stored in the front-rear direction, and the landing gear B4-2 is stored in the left-right direction.

The landing gear door 15 comprises three door plates, a first door plate is hinged to the landing gear cabin 14, the first door plate is further hinged to an electric hydraulic rod B401, the other end of the electric hydraulic rod B401 is hinged to the upright post 44, the second door plate and the third door plate are connected through a hinge 48, connecting arms 49 are further hinged to two ends of the inner side of the second door plate, an electric hydraulic rod C402 is hinged to the inner side of the third door plate, the other end of the electric hydraulic rod C402 is hinged to the lower end of the upright post 44, and the electric hydraulic rod B401 and the electric hydraulic rod C402 are respectively connected with a battery pack B101 and a flight controller 110 through wires.

As shown in fig. 21, the rotor 2 includes a rotor housing 23, the rotor housing 23 is connected to the ends of the receiving arm 12 and the fixing arm 13, a heat dissipating port is provided below the rotor housing 23, a propeller motor 21 is installed in the rotor housing 23, the propeller motor 21 is connected to a hub 26 through a hub motor connecting arm 24, the hub 26 is connected to the blades 22 through a hub blade connecting arm 27, a paddle cap 25 is installed outside the hub 26, the propeller motor 21 is connected to an electronic speed regulator 29 through a wire, and the electronic speed regulator 29 is connected to the battery B101 and the flight controller 110 through a wire.

As shown in fig. 22, the hydrogen fuel cell 102 is further connected to a power management module 111 through a wire, the hydrogen fuel cell 102 is connected to a hydrogen storage tank 103 through a first air inlet pipe 106, the hydrogen fuel cell 102 is further connected to a compressor 105 through a second air inlet pipe 107, the compressor 105 is provided with an air inlet 104, the air inlet 104 is connected to an oxygen pipe, and the hydrogen storage tank 103 is further provided with a hydrogen adding port 108.

The hydrogen fuel cell 102 is disposed in the main body 11.

According to the invention, the upright column structures are uniformly distributed between the containing arm 12 and the fixed arm 13, and the structure can enhance the strength of the containing arm 12 and the fixed arm 13 of the unmanned aerostat and improve the reliability of the whole aerostat.

In the present invention, n rotating plates 32-1 are provided, wherein the first rotating plate 32-1 does not need to rotate, i.e. the first rotating plate 32-1 does not have teeth, the teeth of the second rotating plate 32-1 can rotate to (90/n-1) °, the teeth of the third rotating plate 32-1 can rotate to 2 (90/n-1) °, and so on, the teeth of the nth rotating plate 32-1 can rotate to 90 °, and a rotating fan blade 32-2 is connected behind each rotating plate 32-1, wherein the rotating fan blade 32-2 which can rotate 90 ° can be fixed in the receiving arm 12 or the fixed arm 13 by a hydraulic fixing structure 37, the rotating fan blade 32-2 of 0 ° is fixed in the receiving arm 12 by the hydraulic fixing structure 37, the rotating fan blade 32-2 is fixed in the fixed arm 13 when the flexible solar energy combining plate 3 is unfolded, the flexible solar combination plate 3 can be fixed and unchanged when being unfolded, when the flexible solar combination plate 3 is retracted, the flexible solar combination plate 3 is fixed in the storage arm 12, the flexible solar combination plate 3 cannot slide out in the lifting process, the combination plate 301 and the folding piece 303 mounted on the combination plate are driven to rotate by the rotation of the rotating fan blades 32-2, the folding piece 303 drives the folding arm 302 battery panel 39 fixedly mounted on the folding piece 303 to fold or unfold in the rotating process, the folding and unfolding of the folding structure formed by the rotating fan blades 32-2, the combination plate 301, the folding arms 302 and the folding pieces 303 are the same as the folding fan, the flexible solar combination plate 3 is mounted at the gap position of the two connected folding arms 302, and the storage and the unfolding of the whole folding structure are of a full-automatic structure.

The hydrogen fuel cell 102 of the invention is a standby power supply, and the standby power supply is started to supply power when the electric energy generated by the flexible solar combination plate 3 and the stored electric energy are insufficient, wherein hydrogen required by the hydrogen fuel cell 102 is provided by the first air inlet pipe 106 from the hydrogen storage tank 103, the required oxygen enters the hydrogen fuel cell 102 through the second air inlet pipe 107 after entering the compressor 105 from the air inlet 104 and being pressurized, and the hydrogen is added through the hydrogen adding port 108 when the hydrogen in the hydrogen storage tank 103 is insufficient.

The electronic speed regulator 29 of the invention controls the rotation and the rotating speed of the propeller motor 21, and the visual data collected by the photoelectric pod 18 is transmitted back to the ground control station through the image transmission module.

The control system comprises a power management module 111, wherein the power management module 111 is connected with a hydrogen fuel cell 102, a solar flexible solar combination board 3, a battery pack A19, a battery pack B101, a flight controller 110 and a vision module, electric energy generated by the flexible solar combination board 3 and the hydrogen fuel cell 102 is transformed by the power management module 111 and then stored in the battery pack, electric energy stored by the battery pack A19 and the battery pack B101 is transformed by the power management module 111 and then supplies power to the flight controller 110, the vision module and the like, an onboard communication antenna 109, a sensor module, a power module and other avionics equipment are connected with the flight controller 110 through interfaces, the onboard communication antenna 109 is connected with a ground control station to provide control instructions for the unmanned aerial vehicle, the sensor module can provide more detailed flight data for the unmanned aerial vehicle, and the power module comprises an electric hydraulic rod A41, a power module and a vision module, The electric hydraulic rod B401, the electric hydraulic rod C402, the rotating motor 33 and the electronic speed regulator 29, wherein the electronic speed regulator 29 controls the rotation and the rotating speed of the propeller motor 21, and the photoelectric pod 18 processes the collected visual data and transmits the processed visual data back to a ground control station through a map transmission module.

The flexible solar panel foldable unmanned aerostat has the working principle that: the unmanned aerostat flies at the in-process, and the air can fall into the underflow layer, and the air through unmanned aerostat lower floor is blockked up by unmanned aerostat face this moment, and the velocity of flow of air reduces, and atmospheric pressure risees, and unmanned aerostat just upwards raises, and the air flow on upper strata is smooth and easy, and the velocity of flow increases, and atmospheric pressure reduces, upwards inhales unmanned aerostat, produces the lifting force that upwards pushes away unmanned aerostat by this kind of atmospheric pressure difference. When flying in the air, the unmanned aerostat is also subjected to the pressure of air pressing downwards, the pressure is called as resistance, and when the resistance is smaller than the lifting force, the unmanned aerostat can fly in the air. Therefore, the unmanned aerostat can fly smoothly as long as the angle of the unmanned aerostat is changed through the rotor wings 2 in the flying process, corresponding electric energy can be saved, and the dead time of the unmanned aerostat is longer. The flexible solar combination plate 3 is in an unfolded state in the whole flying process, so that the stress area of the unmanned aerostat can be increased.

The working principle of the flexible solar combination plate of the flexible solar panel foldable unmanned aerostat is as follows:

unfolding: the rotating motor 33 installed on the motor fixing shaft 34 drives the gear 35 connected thereon to rotate, the gear 35 drives the rotating plate 32-1 installed on the rotating bracket fixing shaft 31 by the matching of the bearing 38 to rotate by the teeth thereon, the rotating plate 32-1 drives the rotating fan blade 32-2 connected therewith to rotate, the rotating fan blade 32-2 drives the combination plate 301 fixedly installed thereon, the folding member 303 and the sliding block 39 to synchronously rotate, wherein the folding arm 302 installed on the folding member 303 performs unfolding action, and at the same time, the flexible solar combination plate 3 installed at the gap position of the two connected folding arms 302 synchronously unfolds until the rotating fan blade 32-2 engraved with teeth capable of rotating to 90 degrees rotates to the corresponding position of the solar panel fixing cabin 17, and at the same time, the fixing column 37-2 in the hydraulic fixing structure 37 installed in the solar panel fixing cabin 17 is inserted into the fixing hole engraved with the rotating fan blade 32-2 engraved with teeth capable of rotating to 90 degrees The slider 39 mounted on each of the rotating blades 32-2 slides in the slide rail 36 during the entire process.

And (3) withdrawing: the fixed column 37-2 in the hydraulic fixed structure 37 in the solar panel fixed cabin is separated from the fixed hole on the rotating fan blade 32-2, meanwhile, the rotating motor 33 on the motor fixed shaft 34 rotates reversely, the rotating motor 33 drives the gear 35 to rotate, the gear 35 drives the rotating blade 32-1 arranged on the rotating bracket fixed shaft 31 in a matching way to rotate, the rotating blade 32-1 drives the rotating fan blade 32-2 connected with the rotating blade to rotate backwards, the rotating fan blade 32-2 drives the combination plate 301, the folding piece 303 and the sliding block 39 fixedly arranged on the rotating fan blade to rotate synchronously, wherein the folding arm 302 arranged on the folding piece 303 carries out folding action, meanwhile, the flexible solar combination plate 3 arranged at the gap position of the two connected folding arms 302 is synchronously folded until the rotating fan blade 32-2 engraved with teeth capable of rotating to 90 degrees rotates to the corresponding position of the solar panel containing cabin 16, the fixing post 37-2 of the hydraulic fixing structure 37 installed in the solar panel receiving chamber 16 is inserted into the fixing hole of the rotating fan blade 32-2 with teeth capable of rotating 90 degrees for fixing.

The whole operation process of the foldable unmanned aerostat with the flexible solar panel comprises the following steps:

a command person in a ground control station sends a takeoff command, the command is sent to a flight controller 110 through an airborne communication antenna 109, the flight controller 110 processes the command and sends a corresponding operation command to a power supply system, the battery pack A19 and the battery pack B101 start to supply power through a power supply management module 111, a propeller motor 21 starts to rotate under the control of an electronic speed regulator 29, a rotor wing 2 rotates to generate lift force, an unmanned aerostat starts to lift off, after a certain distance from the ground, an electric hydraulic rod A41, an electric hydraulic rod B401 and an electric hydraulic rod C402 start to work, so that the landing gear 4 is retracted into a landing gear cabin 14, meanwhile, a landing gear cabin door 15 is closed, after reaching a specified height, a rotating motor 33 arranged on a motor fixing shaft 34 drives a gear 35 connected with the motor fixing shaft to rotate, the gear 35 drives a rotating sheet 32-1 arranged on a rotating bracket fixing shaft 31 in a matching manner through a bearing 38 to rotate through teeth on the gear 35, the rotating blade 32-1 drives the rotating fan blade 32-2 connected with the rotating blade to rotate, the rotating fan blade 32-2 drives the combination plate 301 fixedly arranged on the rotating blade, the folding piece 303 and the sliding block 39 to synchronously rotate, wherein the folding arm 302 arranged on the folding piece 303 carries out unfolding action, simultaneously, the flexible solar combination plate 3 arranged at the gap position of the two connected folding arms 302 synchronously unfolds until the rotating fan blade 32-2 engraved with teeth capable of rotating to 90 degrees rotates to the corresponding position of the solar panel fixing cabin 17, at the moment, the fixing column 37-2 in the hydraulic fixing structure 37 arranged in the solar panel fixing cabin 17 is inserted into the fixing hole engraved with the rotating fan blade 32-2 engraved with teeth capable of rotating to 90 degrees, after the flexible solar combination plate 3 is fixed, the flexible solar combination plate 3 starts to generate electricity by using solar energy, and the generated electric energy is stored in a battery pack through the power management module 111 or is directly supplied to an electric appliance, meanwhile, the rotor 2 starts to adjust the posture of the unmanned aerostat so that the unmanned aerostat can fly by utilizing the lifting force, the electric energy can be saved in the flying process, after the task is executed, the flexible solar combination plate 3 starts to be folded and recovered, firstly, a fixed column 37-2 in a hydraulic fixed structure 37 in a solar panel fixed cabin is separated from a fixed hole on a rotating fan blade 32-2, meanwhile, a rotating motor 33 on a motor fixed shaft 34 rotates reversely, the rotating motor 33 drives a gear 35 to rotate, the gear 35 drives a rotating sheet 32-1 arranged on a rotating bracket fixed shaft 31 in a matching way to rotate, the rotating sheet 32-1 drives a rotating fan blade 32-2 connected with the rotating sheet to rotate, the rotating fan blade 32-2 drives a combination plate 301 fixedly arranged on the rotating sheet to rotate synchronously with a folding piece 303 and a sliding block 39, wherein a folding arm 302 arranged on the folding piece 303 performs the folding action, meanwhile, the flexible solar combination plates 3 arranged at the gap positions of the two connected folding arms 302 are synchronously folded until the rotating fan blades 32-2 carved with the teeth capable of rotating 90 degrees rotate to the corresponding positions of the solar panel containing cabin 16, at the moment, the fixing columns 37-2 in the hydraulic fixing structures 37 arranged in the solar panel containing cabin 16 are inserted into the fixing holes of the rotating fan blades 32-2 carved with the teeth capable of rotating 90 degrees for fixing, at the moment, the unmanned aerostat gradually falls, when the unmanned aerostat is away from the ground for a certain distance, the undercarriage 4 falls until the undercarriage falls to the ground, the rotor wings 2 stop rotating, and the task is finished.