Quick-plug integrated hydrogen fuel cell system of hydrogen-powered unmanned aerial vehicle

Abstract

The invention relates to the field of hydrogen fuel cells, in particular to a hydrogen-powered unmanned aerial vehicle quick-plug integrated hydrogen fuel cell system which comprises a preassembled base, a quick-assembly fixing assembly and a hydrogen communication strengthening assembly, and a hydrogen fuel cell is vertically inserted into the upper end of the preassembled base through a guide assembly; the guide vertical plate and the guide strip which are matched and connected are arranged on the two sides of the preassembled base and the hydrogen fuel cell respectively, when the hydrogen fuel cell and the preassembled base are assembled, the butt joint efficiency of the hydrogen fuel cell and the preassembled base can be improved, and then the preassembled base and the hydrogen fuel cell are stably installed under the matching action of the quick-assembly fixing assemblies on the other two sides, so that the assembly efficiency of the hydrogen fuel cell and the preassembled base is improved. During disassembly, maintenance, use and assembly, operation is easy and convenient, connection of hydrogen and power connection control is directly completed in the assembly process, then under the auxiliary effect of the hydrogen communication strengthening assembly, insertion connection of the installation insertion block and the installation insertion groove is stable, the communication sealing performance of the hydrogen butt-joint pipe and the hydrogen connector is good, and the service life of the hydrogen butt-joint pipe is prolonged. And the normal use of the hydrogen fuel cell is not influenced.

Description

Technical Field

[0001] The present invention relates to the field of hydrogen fuel cells, and in particular to a quick-plug integrated hydrogen fuel cell system for a hydrogen-powered unmanned aerial vehicle. Background Art

[0002] Hydrogen fuel cells are a type of power generation device that utilizes hydrogen energy through chemical reactions. Only water and gas are generated during operation. Compared with traditional methods of burning fuels, hydrogen fuel cells have higher energy conversion efficiency and lower emissions. As the application technology of hydrogen fuel cells becomes more and more mature, more and more industries are beginning to use hydrogen fuel cells for power supply. The prior art patent CN117374357B discloses a hydrogen fuel cell installation structure, which effectively protects the hydrogen fuel cell from impact and explosion by forming a four-layer protective structure of the hydrogen fuel cell from the inside out, improves the safety performance of the entire hydrogen fuel cell installation structure, and forms two cooling areas for the hydrogen fuel cell to avoid high temperature from having a significant impact on the performance of the hydrogen fuel cell stack, prevents the temperature of the stack from gradually rising when the fuel cell is working, and ensures the performance of the hydrogen fuel cell. The above scheme is not convenient for disassembly and maintenance of the hydrogen fuel cell after installation. In the field of drones, hydrogen fuel cells can provide drones with a long-lasting power supply. When the hydrogen fuel cell is connected to the drone, as the drone itself shakes, leakage may occur at the hydrogen connection position, affecting the normal use of the hydrogen fuel cell. Summary of the invention

[0003] The object of the present invention is to provide a quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV, comprising: A pre-installed base, wherein a hydrogen fuel cell is vertically plugged in the upper end of the pre-installed base through a guide assembly, the guide assembly includes four guide vertical plates, a fan housing is horizontally provided on the upper end of the hydrogen fuel cell, two fans are horizontally and symmetrically provided on the upper end of the fan housing, a battery air intake groove is provided on one side of the hydrogen fuel cell, a battery exhaust valve is connected and plugged in one side of the hydrogen fuel cell, and an exhaust pipe is connected to one side of the battery exhaust valve through the upper end of the fan housing; A quick-install fixing assembly, the quick-install fixing assembly comprising two mounting plugs and two mounting matching vertical plates, the two mounting matching vertical plates are respectively and vertically symmetrically arranged on both sides of the pre-installed base, the two mounting plugs are respectively and horizontally plugged on one side of the fan housing close to the mounting matching vertical plates, and one side of the mounting plug passes through the mounting matching vertical plates and is plugged into the mounting matching vertical plates; A hydrogen connection strengthening component, the hydrogen connection strengthening component includes a hydrogen connector, a hydrogen butt tube, a strengthening sealing ring and a pressure ring. One side of the hydrogen connector is connected to the battery air inlet groove. The hydrogen butt tube is inserted into the hydrogen connector and connected to the battery air inlet groove. The inner peripheral side of the strengthening sealing ring is in extrusion contact with the outer peripheral side of the hydrogen butt tube.

[0005] Preferably, one side of the guide vertical plate is in contact with the side of the hydrogen fuel cell, and two guide grooves are symmetrically opened on the side of the guide vertical plate close to the hydrogen fuel cell. A guide bar is vertically provided on the side of the hydrogen fuel cell close to the guide groove, and the guide bar of the hydrogen fuel cell is vertically movably plugged into the guide groove of the guide vertical plate. A circuit control box is provided on one side of the hydrogen fuel cell, and a vertical socket is provided at the lower end of the circuit control box. The pre-installed base is located directly below the vertical socket and a power strip is horizontally provided thereon. When the lower end of the hydrogen fuel cell contacts the upper end of the pre-installed base, the power strip is plugged into the vertical socket of the circuit control box. An electric heating module is provided on the side of the exhaust pipe away from the battery exhaust valve.

[0006] Preferably, the fan cover is provided with a telescopic groove on the upper end of one side close to the mounting matching vertical plate, two mounting blocks are respectively placed horizontally in the two telescopic grooves, one side of the two mounting blocks respectively moves horizontally through the telescopic groove, and the mounting matching vertical plate is provided with a mounting slot horizontally on one side close to the mounting plug block, one side of the mounting plug block passing through the telescopic groove is horizontally plugged into the mounting slot, and the side surface of the lower end of the mounting plug block plugged into the mounting slot is an inclined surface.

[0007] Preferably, three spring guide rods are horizontally symmetrically provided on one side of the telescopic slot away from the mounting mating vertical plate, and the mounting plug is placed on one side of the telescopic slot and horizontally movably sleeved on the three spring guide rods. Mounting springs are sleeved on the three spring guide rods, and a pullback block is provided on the upper end of the mounting plug near the mounting spring.

[0008] Preferably, a mounting turntable is provided on one side of the hydrogen connector, a shaft rod is provided at the center of one side of the mounting turntable, one side of the shaft rod passes through one side of the hydrogen fuel cell through a sealed bearing and is plugged into the battery air inlet groove, a docking air groove is provided through the lower end of the hydrogen connector, and a connecting groove is provided at the center of the shaft rod of the mounting turntable to connect the docking air groove and the battery air inlet groove.

[0009] Preferably, the pre-installed base is vertically provided with a hydrogen transfer tube directly below the hydrogen connector, the hydrogen docking tube is vertically connected and arranged at the center of the upper end of the hydrogen transfer tube, the upper end of the hydrogen docking tube is vertically plugged into the docking gas groove, and a sealing gasket is provided at the upper end of the hydrogen docking tube plugged into the docking gas groove.

[0010] Preferably, an annular movable groove is provided in the hydrogen connecting head on one side of the docking gas groove, a pressure ring is vertically movably inserted in the annular movable groove, an annular placement groove is provided on one side of the annular movable groove and connected to the docking gas groove, the reinforced sealing ring is horizontally placed in the annular placement groove, the inner and outer circumferences of the reinforced sealing ring are respectively inserted into the docking gas groove and the annular movable groove, an annular sealing groove is provided on the outer circumference of the hydrogen docking tube that is inserted into the docking gas groove and close to the reinforced sealing ring, and when the inner circumference groove of the pressure ring is in contact with the outer circumference of the reinforced sealing ring, the inner circumference of the reinforced sealing ring is inserted into the annular sealing groove of the hydrogen docking tube.

[0011] Preferably, a movable plate groove is horizontally opened on one side of the hydrogen connecting head away from the docking gas groove, a movable pressure plate is horizontally arranged in the movable plate groove, a plurality of synchronous connecting rods are vertically symmetrically arranged at the lower end of the movable pressure plate, the lower ends of the plurality of synchronous connecting rods are respectively movably inserted into the annular movable groove and connected to the upper end of the pressure ring, a return spring is vertically arranged at the center of the lower end of the movable plate groove, and the upper end of the return spring is in contact with the center of the lower end of the movable pressure plate.

[0012] Preferably, a matching hole is provided in the upper end of the movable plate slot through the hydrogen connecting head, the diameter of the matching hole is equal to the diameter of the docking gas slot, and a strip slide groove is horizontally provided in the center of the mounting plug block, and a guide rod sleeve is vertically provided on one side of the strip slide groove in the telescopic slot, and the center of the guide rod sleeve vertically passes through the fan cover to open a rod groove, and a downward pressure control rod is vertically inserted in the rod groove, and the lower end of the downward pressure control rod vertically moves through the rod groove and the matching hole and is inserted in the movable plate slot, and the downward pressure control rod is placed in the movable plate slot on one side and abuts against the upper end of the movable pressure plate, and the downward pressure control rod is located on both sides of the upper end of the guide rod sleeve and is horizontally symmetrically provided with two constraint rods, and two protrusions are symmetrically provided on both sides of the upper end of the mounting plug block, and constraint grooves are provided on the upper ends of the two protrusions, and a limiting elastic block is provided on one side of the constraint groove, and the width of the constraint groove is equal to the diameter of the constraint rod. When one side of the mounting plug block is inserted into the mounting slot, the two constraint rods of the downward pressure control rod are respectively horizontally inserted into the two constraint grooves, and the upper end of the constraint rod abuts against the lower end of the limiting elastic block.

[0013] Preferably, two self-positioning slots are symmetrically provided on both sides of the mounting turntable, and a self-positioning spring piece is provided on the side of the hydrogen fuel cell close to the mounting turntable through the mounting block, and during normal use, one side of the self-positioning spring piece is inserted into the self-positioning slot on one side of the mounting turntable.

[0014] Compared with the prior art, the present invention has the following beneficial effects: Guide vertical plates and guide strips that match and connect with each other are respectively arranged on both sides of the pre-installed base and the hydrogen fuel cell. When the hydrogen fuel cell and the pre-installed base are assembled, the docking efficiency of the two can be improved. Then, with the cooperation of the quick-install fixing components on the other two sides, the pre-installed base and the hydrogen fuel cell can be stably installed. During disassembly, maintenance and use and assembly, the operation is simple and convenient, and the connection between hydrogen and power control is directly completed during the assembly process. Then, with the assistance of the hydrogen connection strengthening component, the installation block and the installation slot are stably plugged in, and the connection sealing between the hydrogen butt pipe and the hydrogen connector is good, which does not affect the normal use of the hydrogen fuel cell. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention from a first viewing angle; Figure 2 It is a schematic diagram of the structure of the present invention from a second viewing angle; Figure 3 For the present invention Figure 2 Schematic diagram of part A; Figure 4 It is a partial side-cut schematic diagram of the structure of the present invention; Figure 5 For the present invention Figure 4 Schematic diagram of part B; Figure 6 For the present invention Figure 5 Schematic diagram of the C part; Figure 7 For the present invention Figure 4 Schematic diagram of the D part; Figure 8 This is a schematic diagram of the pre-installed base structure of the present invention; Fig. 9 For the present invention Figure 8 Schematic diagram of part E; Fig.10 This is a schematic diagram of the external structure of the hydrogen fuel cell of the present invention; Fig.11 This is a schematic diagram of the matching structure of the hydrogen connector of the present invention; Fig.12 For the present invention Fig.11 Schematic diagram of the F part; Fig.13 This is an exploded view of the position relationship between the hydrogen connector and the mounting plug of the present invention.

[0016] In the figure: pre-installed base 1, hydrogen fuel cell 2, fan cover 3, guide vertical plate 4, guide strip 5, installation matching vertical plate 6, telescopic slot 7, installation plug block 8, spring guide rod 9, installation spring 10, installation slot 11, fan 12, battery exhaust valve 13, exhaust pipe 14, electric heating module 15, circuit control box 16, plug-in row 17, battery air inlet slot 18, installation turntable 19, hydrogen connector 20, connection slot 21, hydrogen transfer pipe 22, hydrogen docking pipe 23, docking gas slot 24, annular movable groove 25, strengthening sealing ring 26, pressure ring 27, movable plate groove 28, movable pressure plate 29, synchronous connecting rod 30, reset spring 31, shock-absorbing sealing pad 32, strip slide groove 33, guide rod sleeve 34, downward pressure control rod 35, constraint groove 36, constraint rod 37, limiting elastic block 38, self-positioning card slot 39, self-positioning spring 40. DETAILED DESCRIPTION

[0017] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 13 , the present invention provides the following technical solutions: Embodiment 1: A quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV comprises a pre-installed base 1, a hydrogen fuel cell 2 is vertically plugged into the upper end of the pre-installed base 1 through a guide assembly, the guide assembly comprises four guide vertical plates 4, a fan housing 3 is horizontally provided at the upper end of the hydrogen fuel cell 2, two fans 12 are horizontally and symmetrically provided at the upper end of the fan housing 3, a battery air intake groove 18 is provided on one side of the hydrogen fuel cell 2, a battery exhaust valve 13 is connected and plugged into one side of the hydrogen fuel cell 2, one side of the battery exhaust valve 13 passes through the upper end of the fan housing 3 and is connected to an exhaust pipe 14, one side of the guide vertical plate 4 is in contact with the side of the hydrogen fuel cell 2, two guide grooves are symmetrically provided on the side of the guide vertical plate 4 close to the hydrogen fuel cell 2, and one side of the hydrogen fuel cell 2 close to the guide groove is provided with a battery air intake groove 18. Guide strips 5 are vertically provided on both sides, and the guide strips 5 of the hydrogen fuel cell 2 are vertically movably plugged into the guide grooves of the guide vertical plates 4. A circuit control box 16 is provided on one side of the hydrogen fuel cell 2, and a vertical socket is provided at the lower end of the circuit control box 16. The pre-installed base 1 is horizontally provided with a plug-in bus 17 directly below the vertical socket. When the lower end of the hydrogen fuel cell 2 contacts the upper end of the pre-installed base 1, the plug-in bus 17 is plugged into the vertical socket of the circuit control box 16. An electric heating module 15 is provided on the side of the exhaust pipe 14 away from the battery exhaust valve 13. The pre-installed base 1 is fixedly installed at the battery placement position of the drone by bolts. When the hydrogen fuel cell 2 needs to be disassembled and assembled for use, the hydrogen fuel cell 2 can be stably placed in the pre-installed base 1 through the guiding cooperation of the guide vertical plates 4 and the guide strips 5.

[0019] The hydrogen fuel cell 2 contains positive and negative power sockets, an internal temperature sensor, and an ambient temperature sensor. The working status information of the hydrogen fuel cell 2 is transmitted and information is exchanged with the hydrogen-powered drone through the circuit control box 16. The circuit control box 16 adjusts the speed of the fan 12 according to a preset program based on the temperature of the air entering the hydrogen fuel cell 2 and the temperature inside the hydrogen fuel cell 2, thereby adjusting the hydrogen fuel cell 2 to maintain a suitable working temperature and sufficient oxygen supply.

[0020] The battery exhaust valve 13 can adjust the exhaust interval according to the output power of the fuel cell to eliminate water generated by the hydrogen fuel cell 2 during operation, thereby promoting efficient operation of the hydrogen fuel cell 2. The electric heating module 15 can effectively prevent the exhaust port of the hydrogen fuel cell 2 from freezing and clogging at low temperatures, thereby ensuring the adaptability of the hydrogen fuel cell 2 to low-temperature environments.

[0021] A built-in DC voltage stabilizing module may be provided in the circuit control box 16. Since different output powers result in different voltages, the built-in power voltage stabilizing module can stabilize the output voltage of the hydrogen fuel cell 2 within a certain range to ensure the normal operation of the drone.

[0022] The fan housing 3 is tightly connected to the end plates of the hydrogen fuel cell 2. The fan 12 generates negative pressure in the fan housing to draw air from the front end of the hydrogen fuel cell 2 to react and dissipate heat.

[0023] A quick-install fixing assembly is provided to quickly fix the connection between the pre-installed base 1 and the hydrogen fuel cell 2. The quick-install fixing assembly includes two mounting plugs 8 and two mounting matching vertical plates 6. The two mounting matching vertical plates 6 are respectively and vertically symmetrically arranged on both sides of the pre-installed base 1. The two mounting plugs 8 are respectively and horizontally plugged into the side of the fan housing 3 close to the mounting matching vertical plate 6, and one side of the mounting plug 8 passes through the mounting matching vertical plate 6 and is plugged into the mounting matching vertical plate 6. The upper end of the side of the fan housing 3 close to the mounting matching vertical plate 6 is provided with a telescopic groove 7. The two mounting plugs 8 They are respectively placed horizontally in the two telescopic slots 7, and one side of the two mounting blocks 8 is respectively movable horizontally through the telescopic slots 7. A mounting slot 11 is horizontally opened on one side of the mounting matching vertical plate 6 close to the mounting block 8. One side of the mounting block 8 that passes through the telescopic slot 7 is horizontally plugged into the mounting slot 11, and the side surface of the lower end of the mounting block 8 plugged into the mounting slot 11 is an inclined surface. The hydrogen fuel cell 2 is pressed down from the top of the pre-installed base 1, and the mounting block 8 can be retracted into the fan cover 3 and then inserted into the mounting slot 11 through the inclined surface of the mounting block 8.

[0024] Three spring guide rods 9 are horizontally symmetrically provided on one side of the telescopic slot 7 away from the installation matching vertical plate 6. The installation plug block 8 is placed on one side of the telescopic slot 7 and horizontally movably sleeved on the three spring guide rods 9. The three spring guide rods 9 are all sleeved with installation springs 10, and a pull-back block is provided on the upper end of the installation plug block 8 near the installation spring 10, which is convenient for the adaptation, disassembly, assembly and rapid maintenance and repair of the hydrogen-powered fuel cell of the drone.

[0025] In this embodiment, when the hydrogen fuel cell 2 needs to be installed, the guide bar 5 corresponds to the guide groove of the guide vertical plate 4, the power strip 17 corresponds to the circuit control box 16, and the hydrogen fuel cell 2 slides vertically downward stably. When the installation block 8 reaches the installation matching vertical plate 6 position, under the action of the inclined surface, the installation block 8 squeezes the installation spring 10 along the telescopic groove 7 and the spring guide rod 9. At this time, the installation block 8 retracts into the telescopic groove 7, and then during the continuous descent of the hydrogen fuel cell 2, the installation block 8 is horizontally inserted into the installation slot 11 of the installation matching vertical plate 6 under the elastic action of the installation spring 10, so as to limit and fix the hydrogen fuel cell 2 up and down.

[0026] Embodiment 2: On the basis of embodiment 1, a hydrogen connection strengthening component is provided to strengthen the sealing and maintaining of the hydrogen input connection of the hydrogen fuel cell 2. The hydrogen connection strengthening component includes a hydrogen connector 20, a hydrogen butt joint pipe 23, a strengthening sealing ring 26 and a pressing ring 27. One side of the hydrogen connector 20 is connected to the battery air inlet groove 18. The hydrogen butt joint pipe 23 is plugged into the hydrogen connector 20 and connected to the battery air inlet groove 18. The inner circumference of the strengthening sealing ring 26 is in squeeze contact with the outer circumference of the hydrogen butt joint pipe 23. A mounting turntable 19 is provided on one side of the hydrogen connector 20. A shaft rod is provided at the center of one side of the mounting turntable 19. One side of the shaft rod passes through a sealing bearing to penetrate the plug-in electric plug-in on one side of the hydrogen fuel cell 2. In the battery air inlet groove 18, a docking gas groove 24 is penetrated at the lower end of the hydrogen connector 20, and a connecting groove 21 is opened at the center of the shaft rod of the mounting turntable 19 to connect the docking gas groove 24 and the battery air inlet groove 18. When the hydrogen fuel cell 2 is assembled and installed with the pre-installed base 1, the hydrogen connector 20 is docked and connected with the hydrogen docking pipe 23 through the docking gas groove 24 at the lower end. At this time, hydrogen is sent into the hydrogen docking pipe 23, and the hydrogen can enter the battery air inlet groove 18 through the docking gas groove 24 and the connecting groove 21 to complete the hydrogen input. The hydrogen in the hydrogen docking pipe 23 is provided by the hydrogen transfer pipe 22. A hose connector is provided at the lower end of one side of the hydrogen transfer pipe 22, and the hose connector is sealed and connected with the hose of the hydrogen bottle.

[0027] The pre-installed base 1 is located directly below the hydrogen connector 20 and is vertically provided with a hydrogen transfer pipe 22. The hydrogen docking pipe 23 is vertically connected and arranged at the center of the upper end of the hydrogen transfer pipe 22. The upper end of the hydrogen docking pipe 23 is vertically plugged into the docking gasket 24, and a sealing gasket is provided at the upper end of the hydrogen docking pipe 23 plugged into the docking gasket 24. A shock-absorbing sealing pad 32 is provided on the side where the hydrogen transfer pipe 22 contacts the hydrogen connector 20. When the hydrogen connector 20 is connected to the hydrogen docking pipe 23, the hydrogen docking pipe 23 can press down and seal the connection between the hydrogen connector 20 and the hydrogen docking pipe 23 through the sealing gasket and the shock-absorbing sealing pad 32.

[0028] An annular movable groove 25 is provided in the hydrogen connector 20 on one side of the docking gas groove 24, a pressure ring 27 is vertically movably inserted in the annular movable groove 25, an annular placement groove is provided in one side of the annular movable groove 25 that is connected to the docking gas groove 24, a strengthening sealing ring 26 is horizontally placed in the annular placement groove, and the inner and outer circumferential sides of the strengthening sealing ring 26 are respectively inserted into the docking gas groove 24 and the annular movable groove 25, an annular sealing groove is provided on the outer circumferential side of the hydrogen docking pipe 23 that is inserted into the docking gas groove 24 and close to the strengthening sealing ring 26, when the inner circumferential groove of the pressure ring 27 is in contact with the outer circumferential side of the strengthening sealing ring 26, the inner circumferential side of the strengthening sealing ring 26 is inserted into the annular sealing groove of the hydrogen docking pipe 23, a movable plate groove 28 is horizontally provided on the side of the hydrogen connector 20 that is away from the docking gas groove 24, a movable pressure plate 29 is horizontally provided in the movable plate groove 28, and a movable pressure plate 29 is provided below the movable pressure plate 29 A plurality of synchronous connecting rods 30 are vertically symmetrically provided at the ends, and the lower ends of the plurality of synchronous connecting rods 30 are respectively movably inserted into the annular movable groove 25 and connected to the upper end of the pressure ring 27. A return spring 31 is vertically provided at the lower end center of the movable plate groove 28, and the upper end of the return spring 31 is abutted against the lower end center of the movable pressure plate 29. When the movable pressure plate 29 is lowered together with the synchronous connecting rod 30, the synchronous connecting rod 30 pushes the pressure ring 27 to descend in the annular movable groove 25. At this time, the pressure ring 27 is abutted against the outer peripheral side of the enhanced sealing ring 26. Since the outer peripheral side of the enhanced sealing ring 26 is placed in the annular movable groove 25 in a natural state, the pressure ring 27 can squeeze the enhanced sealing ring 26 to deform inwardly thereof. Therefore, the inner peripheral side of the enhanced sealing ring 26 is pressed and contacted with the hydrogen docking tube 23, thereby enhancing the sealing effect of the hydrogen docking tube 23 inserted into the docking gas groove 24.

[0029] A matching hole is provided at the upper end of the movable plate slot 28 through the hydrogen connector 20, and the diameter of the matching hole is equal to the diameter of the docking gas slot 24. A strip-shaped slide slot 33 is horizontally provided at the center of the mounting plug 8. A guide rod sleeve 34 is vertically provided on one side of the strip-shaped slide slot 33 in the telescopic slot 7. A rod slot is provided at the center of the guide rod sleeve 34 through the fan housing 3 vertically. A downward control rod 35 is vertically inserted in the rod slot. The lower end of the downward control rod 35 vertically moves through the rod slot and the matching hole and is inserted into the movable plate slot 2. 8, the pressing control rod 35 is placed in the movable plate groove 28 and abuts against the upper end of the movable pressing plate 29 on one side. The pressing control rod 35 is located above the guide rod sleeve 34 and has two horizontally symmetrically arranged two restraining rods 37 on both sides. Two convex blocks are symmetrically arranged on both sides of the upper end of the mounting plug 8. The upper ends of the two convex blocks are both provided with restraining grooves 36. One side of the restraining grooves 36 is provided with limiting elastic blocks 38. The width of the restraining grooves 36 is equal to the diameter of the restraining rod 37. When one side of the mounting plug 8 is inserted into the mounting slot 11, When the pressing rod 35 is pressed downward, the two restraining rods 37 of the pressing control rod 35 are respectively inserted horizontally into the two restraining grooves 36, and the upper ends of the restraining rods 37 are in contact with the lower ends of the limiting elastic blocks 38. The upper end of the pressing control rod 35 that passes through the guide rod sleeve 34 is provided with a pressing sheet. When the pressing control rod 35 is pressed downward by the pressing sheet, the lower end of the pressing control rod 35 is inserted into the movable plate groove 28 and provides power for the movable pressing plate 29 to descend. At this time, the movable pressing plate 29 and the control pressing ring 27 strengthen the sealing ring 28. 6 is pressurized and deformed to complete the sealing reinforcement of the plug-in position of the hydrogen butt joint pipe 23. In addition, when the pressing control rod 35 is lowered, the restraining rods 37 on both sides of the pressing control rod 35 respectively pass over the limiting elastic blocks 38 and are inserted into the bottom of the restraining groove 36. The abutting force of the limiting elastic blocks 38 is greater than the rebound force of the reset spring 31. At this time, under the limiting effect of the limiting elastic blocks 38, the pressing control rod 35 remains in position, and similarly, the positions of the pressing ring 27 and the strengthening sealing ring 26 remain unchanged.

[0030] In this embodiment, after the hydrogen fuel cell 2 and the pre-installed base 1 are quickly installed, the upper end of the hydrogen docking pipe 23 is inserted into the docking gas groove 24 of the hydrogen connector 20. At this time, the upper end pressing plate of the pressing control rod 35 is pressed, and the pressing control rod 35 moves vertically downward. At this time, the two constraint rods 37 of the pressing control rod 35 pass the limiting elastic block 38 and are inserted into the bottom of the constraint groove 36. The lower end of the pressing control rod 35 pushes the movable pressure plate 29 and the pressure ring 27 to descend. At this time, the pressure ring 27 squeezes the outer peripheral side of the strengthening sealing ring 26, and the strengthening sealing ring 26 is deformed inward, so that the strengthening sealing ring 26 can surround and strengthen the hydrogen docking pipe 23, thereby improving the efficiency and quality of hydrogen delivery into the hydrogen fuel cell 2.

[0031] Embodiment 3: On the basis of embodiment 2, when the hydrogen fuel cell 2 is in the repair and maintenance stage, the docking gas groove 24 of the hydrogen connector 20 can be protected, and two self-positioning slots 39 are symmetrically provided on both sides of the mounting turntable 19. A self-positioning spring piece 40 is provided on the side of the hydrogen fuel cell 2 close to the mounting turntable 19 through the mounting block, and during normal use, one side of the self-positioning spring piece 40 is inserted into the self-positioning slot 39 on one side of the mounting turntable 19, and the mounting turntable 19 is rotatably connected to the battery air inlet groove 18 through a sealing bearing. When the hydrogen connector 20 is normally connected to hydrogen for use, the docking gas groove 24 is vertically downward. When the hydrogen fuel cell 2 is not in use, the docking gas groove 24 can be made to face upward by rotating the mounting turntable 19. When the docking gas groove 24 faces upward, the lower end of the downward control rod 35 can be inserted into the docking gas groove 24 to seal the docking gas groove 24 to prevent pollutants from entering the battery air inlet groove 18. The butt gas groove 24 of the hydrogen connector 20 can be directed upward or downward by inserting the self-positioning spring piece 40 into the two self-positioning slots 39 respectively to achieve corresponding self-positioning.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV, characterized in that: include: A pre-installed base (1), wherein a hydrogen fuel cell (2) is vertically plugged into the upper end of the pre-installed base (1) via a guide assembly, the guide assembly comprising four guide vertical plates (4), a fan housing (3) is horizontally provided at the upper end of the hydrogen fuel cell (2), two fans (12) are horizontally and symmetrically provided at the upper end of the fan housing (3), a battery air intake groove (18) is provided on one side of the hydrogen fuel cell (2), a battery exhaust valve (13) is connected and plugged into one side of the hydrogen fuel cell (2), and one side of the battery exhaust valve (13) passes through the upper end of the fan housing (3) and is connected to an exhaust pipe (14); A quick-install fixing assembly, the quick-install fixing assembly comprising two mounting plugs (8) and two mounting matching vertical plates (6), the two mounting matching vertical plates (6) being respectively arranged vertically and symmetrically on two sides of the pre-installed base (1), the two mounting plugs (8) being respectively arranged horizontally plugged on one side of the fan housing (3) close to the mounting matching vertical plates (6), and one side of the mounting plugs (8) passing through the mounting matching vertical plates (6) and plugged into the mounting matching vertical plates (6); A hydrogen connection strengthening component, the hydrogen connection strengthening component comprising a hydrogen connection head (20), a hydrogen butt joint pipe (23), a strengthening seal ring (26) and a pressure ring (27), one side of the hydrogen connection head (20) is connected to the battery air inlet groove (18), the hydrogen butt joint pipe (23) is plugged into the hydrogen connection head (20) and is connected to the battery air inlet groove (18), and the inner peripheral side of the strengthening seal ring (26) is in compression contact with the outer peripheral side of the hydrogen butt joint pipe (23).

2. A quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV according to claim 1, characterized in that: One side of the guide vertical plate (4) contacts the side of the hydrogen fuel cell (2); two guide grooves are symmetrically provided on the side of the guide vertical plate (4) close to the hydrogen fuel cell (2); a guide bar (5) is vertically provided on the side of the hydrogen fuel cell (2) close to the guide groove; the guide bar (5) of the hydrogen fuel cell (2) is vertically movably plugged into the guide groove of the guide vertical plate (4); a circuit control box (16) is provided on one side of the hydrogen fuel cell (2); a vertical socket is provided at the lower end of the circuit control box (16); a plug-in row (17) is horizontally provided on the pre-installed base (1) directly below the vertical socket; when the lower end of the hydrogen fuel cell (2) contacts the upper end of the pre-installed base (1), the plug-in row (17) is plugged into the vertical socket of the circuit control box (16); and an electric heating module (15) is provided on the side of the exhaust pipe (14) away from the battery exhaust valve (13).

3. A quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV according to claim 2, characterized in that: The fan housing (3) is provided with a telescopic groove (7) at the upper end of one side close to the mounting matching vertical plate (6), two mounting plugs (8) are respectively placed horizontally in the two telescopic grooves (7), one side of the two mounting plugs (8) is respectively movable horizontally through the telescopic groove (7), one side of the mounting matching vertical plate (6) close to the mounting plugs (8) is provided with a mounting slot (11) horizontally, one side of the mounting plug (8) passing through the telescopic groove (7) is horizontally plugged into the mounting slot (11), and a side surface of the lower end of the mounting plug (8) plugged into the mounting slot (11) is an inclined surface.

4. A quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV according to claim 3, characterized in that: Three spring guide rods (9) are symmetrically arranged horizontally on one side of the telescopic slot (7) away from the mounting matching vertical plate (6); a mounting plug (8) is arranged on one side of the telescopic slot (7) and is horizontally movably sleeved on the three spring guide rods (9); mounting springs (10) are sleeved on the three spring guide rods (9); and a pull-back block is arranged on the upper end of the mounting plug (8) close to the mounting spring (10).

5. A quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV according to claim 4, characterized in that: A mounting turntable (19) is provided on one side of the hydrogen connector (20), a shaft is provided at the center of one side of the mounting turntable (19), one side of the shaft penetrates through a sealed bearing and is inserted into the battery air inlet groove (18), a docking air groove (24) is provided through the lower end of the hydrogen connector (20), and a connecting groove (21) is provided at the center of the shaft of the mounting turntable (19) to connect the docking air groove (24) and the battery air inlet groove (18).

6. A quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV according to claim 5, characterized in that: The pre-installed base (1) is vertically provided with a hydrogen transfer pipe (22) directly below the hydrogen connector (20); a hydrogen butt joint pipe (23) is vertically connected and arranged at the center of the upper end of the hydrogen transfer pipe (22); the upper end of the hydrogen butt joint pipe (23) is vertically plugged into the butt joint gas groove (24); and a sealing gasket is provided at the upper end of the hydrogen butt joint pipe (23) plugged into the butt joint gas groove (24).

7. A quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV according to claim 6, characterized in that: The hydrogen connector (20) is provided with an annular movable groove (25) on one side of the docking groove (24); a pressing ring (27) is vertically movably inserted into the annular movable groove (25); an annular placement groove is provided on one side of the annular movable groove (25) and is connected to the docking groove (24); a strengthening seal ring (26) is horizontally placed in the annular placement groove; the inner and outer circumferences of the strengthening seal ring (26) are respectively inserted into the docking groove (24) and the annular movable groove (25); an annular sealing groove is provided on the outer circumference of the hydrogen docking pipe (23) inserted into the docking groove (24) and close to the strengthening seal ring (26); when the inner circumference groove of the pressing ring (27) is in contact with the outer circumference of the strengthening seal ring (26), the inner circumference of the strengthening seal ring (26) is inserted into the annular sealing groove of the hydrogen docking pipe (23).

8. The quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV according to claim 7, characterized in that: A movable plate groove (28) is horizontally provided on one side of the hydrogen connector (20) away from the docking gas groove (24), a movable pressure plate (29) is horizontally provided in the movable plate groove (28), a plurality of synchronous connecting rods (30) are vertically symmetrically provided at the lower end of the movable pressure plate (29), the lower ends of the plurality of synchronous connecting rods (30) are respectively movably inserted into the annular movable groove (25) and connected to the upper end of the pressure ring (27), a return spring (31) is vertically provided at the center of the lower end of the movable plate groove (28), and the upper end of the return spring (31) is in contact with the center of the lower end of the movable pressure plate (29).

9. A quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV according to claim 8, characterized in that: The upper end of the movable plate slot (28) penetrates the hydrogen connector (20) and is provided with a matching hole, the diameter of the matching hole is equal to the diameter of the docking gas slot (24), the center of the mounting plug (8) is horizontally provided with a strip slide slot (33), a guide rod sleeve (34) is vertically provided on one side of the strip slide slot (33) in the telescopic slot (7), the center of the guide rod sleeve (34) vertically penetrates the fan housing (3) and is provided with a rod slot, a downward pressure control rod (35) is vertically inserted in the rod slot, the lower end of the downward pressure control rod (35) vertically moves through the rod slot and the matching hole and is inserted into the movable plate slot (28), the downward pressure control rod (35) is placed on one side of the movable plate slot (28) and is connected to the movable pressure plate (29) ), the two restraining rods (37) of the downward control rod (35) are symmetrically arranged on both sides above the guide rod sleeve (34), and the two convex blocks are symmetrically arranged on both sides of the upper end of the installation plug block (8), and the upper ends of the two convex blocks are both provided with restraining grooves (36), and one side of the restraining grooves (36) is provided with a limiting elastic block (38), and the width of the restraining groove (36) is equal to the diameter of the restraining rod (37). When one side of the installation plug block (8) is inserted into the installation slot (11), the two restraining rods (37) of the downward control rod (35) are respectively inserted into the two restraining grooves (36) horizontally, and the upper ends of the restraining rods (37) are in contact with the lower ends of the limiting elastic blocks (38).

10. A quick-plug integrated hydrogen fuel cell system for a hydrogen-powered UAV according to claim 9, characterized in that: Two self-positioning slots (39) are symmetrically provided on both sides of the installation turntable (19); a self-positioning spring sheet (40) is provided on one side of the hydrogen fuel cell (2) close to the installation turntable (19) through a mounting block; and in normal use, one side of the self-positioning spring sheet (40) is inserted into the self-positioning slot (39) on one side of the installation turntable (19).

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