Ultrahigh pressure carbon fiber composite hydrogen storage cylinder for unmanned aerial vehicle

Abstract

The utility model relates to the technical field of hydrogen storage cylinders, and discloses an ultra-high pressure carbon fiber composite hydrogen storage cylinder for an unmanned aerial vehicle, which comprises a mounting rack and a hydrogen storage cylinder body, the middle part of the upper surface of the front end of the mounting rack is fixedly connected with a supporting seat, and the outer wall of the lower end of the hydrogen storage cylinder body is tightly attached to the inner wall of the supporting seat; a first rubber fixing ring is fixedly connected to the middle of the outer wall of the front end of the mounting frame, a second rubber fixing ring is fixedly connected to the lower portion of the rear end of the first rubber fixing ring, and the rear end of the second rubber fixing ring is fixedly connected with the middle of the outer wall of the front end of the mounting frame. According to the utility model, through the design of the supporting seat, the first rubber fixing ring and the second rubber fixing ring, the hydrogen storage cylinder body is ensured to be firmly fixed on the mounting frame, displacement or looseness in flight is prevented, the safety and the stability are improved, the rubber fixing rings can absorb vibration and protect the gas cylinder from being damaged, and the maintenance and the replacement are convenient through the fixing bolt and nut structures.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen storage cylinder technical field especially relates to the superhigh pressure carbon fiber composite hydrogen storage cylinder for unmanned plane. BACKGROUND

[0002] The hydrogen storage cylinder for unmanned plane is a high-pressure container specially designed for storing hydrogen, usually made of lightweight and high-strength carbon fiber composite material to achieve lightweight and high-pressure retention performance, thereby providing long-lasting and efficient energy supply for the unmanned plane, enabling it to fly in the air for a long time without frequent landing and refueling.

[0003] The existing hydrogen storage cylinders generally have the problem of insufficient stability, and the installation and disassembly process is relatively cumbersome. In addition, due to the lack of good corrosion resistance of traditional materials, long-term storage of hydrogen may cause corrosion inside the cylinder, thereby shortening the service life. At the same time, the lack of heat management of these cylinders makes them unable to effectively isolate external high temperature or keep hydrogen stored at a suitable temperature, which not only affects the stability of hydrogen, but also reduces the overall safety.

[0004] Therefore, the technical personnel in the art provide a superhigh pressure carbon fiber composite hydrogen storage cylinder for unmanned plane to solve the problems raised in the background art. SUMMARY

[0005] The utility model discloses a superhigh pressure carbon fiber composite hydrogen storage cylinder for unmanned plane to solve the problems existing in the prior art, which is designed with a support seat, a first rubber fixing ring and a second rubber fixing ring to ensure that the hydrogen storage cylinder body is firmly fixed on the mounting rack, preventing displacement or loosening during flight, improving safety and stability. The rubber fixing ring can absorb vibration to protect the cylinder from damage. The fixed bolt and nut structure facilitates maintenance and replacement. The inner container, made of metal material, directly contacts hydrogen. The outer layer of carbon fiber composite material provides high strength and high pressure resistance while maintaining lightness. The cushion layer absorbs impact, reduces vibration and enhances heat and sound insulation effect. The thermal protection layer protects the cylinder from external high temperature, ensuring safety performance in high temperature environment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides an unmanned aerial vehicle uses superhigh pressure carbon fiber composite hydrogen storage cylinder, including mounting bracket and hydrogen storage cylinder body, the middle part of mounting bracket front end upper surface is fixedly connected with support seat, the inner wall of hydrogen storage cylinder body lower extreme outer wall is closely combined with the inner wall of support seat, the middle part of mounting bracket front end outer wall is fixedly connected with first rubber fixed ring, the lower part of first rubber fixed ring rear end is fixedly connected with second rubber fixed ring, the rear end of second rubber fixed ring is fixedly connected with the middle part of mounting bracket front end outer wall, the inner wall of hydrogen storage cylinder body upper end outer wall is closely combined with first rubber fixed ring and second rubber fixed ring, the both sides of first rubber fixed ring and second rubber fixed ring front end middle part are all set up with connecting hole, the inside of connecting hole all is provided with fixed bolt, the one side of fixed bolt all is connected to the one side of connecting hole through connecting hole, the outer wall of connecting hole one side all is screwed with fixed nut,

[0008] Through the above technical scheme, through the design of support seat, first rubber fixed ring and second rubber fixed ring, the hydrogen storage cylinder body can be firmly fixed on the mounting bracket, ensuring that the cylinder will not shift or loosen during the flight of the unmanned aerial vehicle, thereby improving the overall safety and stability, the use of rubber fixed ring can absorb and buffer the vibration caused by the operation of the unmanned aerial vehicle or external factors, protecting the hydrogen storage cylinder from damage, in addition, through the structure of the fixed bolt and the fixed nut, the hydrogen storage cylinder can be easily disassembled and reinstalled, facilitating maintenance and replacement.

[0009] Further, the inside of the hydrogen storage cylinder body is provided with an inner container, the outer wall of the inner container is fixedly connected with a carbon fiber composite material layer, the outer wall of the carbon fiber composite material layer is fixedly connected with a cushion layer, and the outer wall of the cushion layer is fixedly connected with a thermal protection layer.

[0010] Through the above technical scheme, the inner container is the internal container of the hydrogen storage cylinder body, directly contacting with hydrogen, which is usually made of metal materials such as stainless steel or aluminum alloy to ensure the purity and corrosion resistance of the gas, the carbon fiber composite material layer is wrapped outside the inner container, which is made of special winding process to provide high strength and high pressure resistance of the cylinder, the carbon fiber layer can effectively bear the internal hydrogen pressure, while keeping the cylinder light, the cushion layer can absorb impact, reduce vibration transmission, and provide additional heat and sound insulation effect, in addition, through the design of the thermal protection layer, the hydrogen storage cylinder can be protected from external high temperature, ensuring the safety performance of the cylinder in high temperature environment.

[0011] Further, the both sides of the outer wall of the rear end of the mounting bracket are fixedly connected with first mounting blocks, and the middle part of the upper surface of the rear end of the mounting bracket is fixedly connected with a second mounting block.

[0012] Through the above technical scheme, the first mounting block and the second mounting block are used to stably install the mounting bracket and the hydrogen storage cylinder body on the unmanned aerial vehicle.

[0013] Further, the upper surface of the hydrogen storage bottle body is connected with an interface, and the upper surface of the interface is fixedly connected with a valve;

[0014] Through the above technical scheme, the design of the interface and the valve makes the hydrogen charging and discharging operation more convenient and safe.

[0015] Further, the lower part of the rear end of the second rubber fixing ring is fixedly connected with the middle part of the upper surface of the rear end of the support seat;

[0016] Through the above technical scheme, by connecting the second rubber fixing ring with the support seat, an additional support point is provided for the hydrogen storage bottle, which helps to disperse the weight of the bottle and reduce the pressure of a single fixing point.

[0017] Further, the outer walls on the other side of the fixing nuts are tightly fitted with the outer walls on one side of the front end of the first and second rubber fixing rings;

[0018] Through the above technical scheme, the design of the tight fit can ensure that the fixing nuts can effectively fix the rubber fixing ring after being tightened, thereby stabilizing the position of the hydrogen storage bottle body on the mounting rack.

[0019] The utility model has the advantages of:

[0020] 1. The ultra-high pressure carbon fiber composite hydrogen storage bottle for unmanned aerial vehicle provided by the utility model is firmly fixed on the mounting rack through the design of the support seat, the first rubber fixing ring and the second rubber fixing ring, so that displacement or loosening of the bottle does not occur during the flight of the unmanned aerial vehicle, thereby improving the overall safety and stability, the use of the rubber fixing ring can absorb and buffer the vibration caused by the operation of the unmanned aerial vehicle or external factors, and the hydrogen storage bottle is protected from damage, in addition, the structure of the fixing bolt and the fixing nut can conveniently disassemble and reinstall the hydrogen storage bottle, and the maintenance and replacement are facilitated.

[0021] 2. The ultra-high pressure carbon fiber composite hydrogen storage bottle for unmanned aerial vehicle provided by the utility model, the inner container is an internal container of the hydrogen storage bottle body, directly contacts hydrogen, is usually made of metal materials, such as stainless steel or aluminum alloy, to ensure the purity and corrosion resistance of the gas, the carbon fiber composite material layer is wrapped outside the inner container, the materials are made through special winding process to provide high strength and high pressure resistance of the bottle, the carbon fiber layer can effectively bear the internal hydrogen pressure, and the bottle is light, the cushioning layer can absorb impact, reduce vibration transmission, and provide additional heat insulation and sound insulation effect, in addition, the design of the thermal protection layer can protect the hydrogen storage bottle from the influence of external high temperature, and ensure the safety performance of the bottle in a high temperature environment. DRAWINGS

[0022] Figure 1 The isometric view of the ultra-high pressure carbon fiber composite hydrogen storage cylinder for unmanned aerial vehicle provided by the present application;

[0023] Figure 2 The partial structure isometric view of the ultra-high pressure carbon fiber composite hydrogen storage cylinder for unmanned aerial vehicle provided by the present application;

[0024] Figure 3 The partial structure sectional view of the ultra-high pressure carbon fiber composite hydrogen storage cylinder for unmanned aerial vehicle provided by the present application.

[0025] Legend:

[0026] 1, mounting frame; 101, first mounting block; 102, second mounting block; 103, support seat; 2, hydrogen storage cylinder body; 201, inner container; 202, carbon fiber composite material layer; 203, cushion layer; 204, thermal protection layer; 205, interface; 206, valve; 3, first rubber fixing ring; 301, connecting hole; 4, second rubber fixing ring; 5, fixing bolt; 501, fixing nut. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0028] Reference Figure 1 and Figure 2The utility model provides a kind of concrete implementation of the specific embodiment: ultra-high pressure carbon fiber composite hydrogen storage cylinder for unmanned aerial vehicle, including mounting bracket 1 and hydrogen storage cylinder body 2, the middle part of mounting bracket 1 front end upper surface is fixedly connected with support seat 103, the inner wall of the outer wall of hydrogen storage cylinder body 2 lower end is closely combined with the inner wall of support seat 103, the middle part of the outer wall of mounting bracket 1 front end is fixedly connected with first rubber fixing ring 3, the lower part of the rear end of first rubber fixing ring 3 is fixedly connected with second rubber fixing ring 4, the rear end of second rubber fixing ring 4 is fixedly connected with the middle part of the outer wall of mounting bracket 1 front end, the inner wall of the outer wall of hydrogen storage cylinder body 2 upper end is closely combined with first rubber fixing ring 3 and second rubber fixing ring 4, the both sides of the middle part of first rubber fixing ring 3 and second rubber fixing ring 4 front end are equipped with connecting hole 301, fixed bolt 5 is arranged in connecting hole 301, one side of fixed bolt 5 is connected to the one side of connecting hole 301, the outer wall of the one side of connecting hole 301 is screw-connected with fixed nut 501, by the design of support seat 103, first rubber fixing ring 3 and second rubber fixing ring 4, hydrogen storage cylinder body 2 can be firmly fixed on mounting bracket 1, ensure that cylinder does not shift or loosen during unmanned aerial vehicle flight, to improve the security and stability of whole, the use of rubber fixing ring can absorb and buffer the vibration caused by unmanned aerial vehicle operation or external factors, protect hydrogen storage cylinder from damage, in addition, by the structure of fixed bolt 5 and fixed nut 501, hydrogen storage cylinder can be conveniently disassembled and reinstalled, easy to maintain and replace.

[0029] Referring to Figure 1 and Figure 3 The inside of hydrogen storage cylinder body 2 is provided with inner bag 201, the outer wall of inner bag 201 is fixedly connected with carbon fiber composite material layer 202, the outer wall of carbon fiber composite material layer 202 is fixedly connected with pad layer 203, the outer wall of pad layer 203 is fixedly connected with thermal protection layer 204, inner bag 201 is the internal container of hydrogen storage cylinder body 2, directly contact with hydrogen, it is usually made of metal material, such as stainless steel or aluminum alloy, to ensure the purity and corrosion resistance of gas, by wrapping carbon fiber composite material layer 202 outside inner bag 201, these materials are made by special winding process to provide high strength and high pressure resistance of cylinder, carbon fiber layer can effectively bear internal hydrogen pressure, while keeping cylinder light, by pad layer 203, impact can be absorbed, vibration transmission is reduced, and additional heat and sound insulation effects are provided, in addition, by the design of thermal protection layer 204, hydrogen storage cylinder can be protected from external high temperature, ensure the safety performance of cylinder under high temperature environment.

[0030] Referring to Figure 1 , Figure 2 and Figure 3The outer wall of the rear end of the mounting frame 1 is fixedly connected with first mounting blocks 101 on both sides, and the upper surface of the rear end of the mounting frame 1 is fixedly connected with a second mounting block 102 in the middle, which is used for stably mounting the mounting frame 1 and the hydrogen storage cylinder body 2 on the unmanned aerial vehicle through the first mounting blocks 101 and the second mounting block 102, and the upper surface of the hydrogen storage cylinder body 2 is throughly connected with an interface 205 in the middle, and the upper surface of the interface 205 is fixedly connected with a valve 206, so that the hydrogen charging and discharging operation is more convenient and safe through the design of the interface 205 and the valve 206, and the lower part of the rear end of the second rubber fixing ring 4 is fixedly connected with the upper surface of the rear end of the supporting seat 103 in the middle, so that an additional supporting point is provided for the hydrogen storage cylinder by connecting the second rubber fixing ring 4 with the supporting seat 103, which helps to disperse the weight of the cylinder and reduce the pressure of a single fixing point, and the outer wall of the other side of the fixed nut 501 is tightly attached to the outer wall of the first rubber fixing ring 3 and the front end of one side of the second rubber fixing ring 4, so that the fixed nut 501 can effectively fix the rubber fixing ring after being tightened, thereby stabilizing the position of the hydrogen storage cylinder body 2 on the mounting frame 1.

[0031] Working principle: the hydrogen storage cylinder body 2 is tightly attached to the middle of the upper surface of the front end of the mounting frame 1 through the supporting seat 103 at the lower end, and the outer wall at the upper end is tightly attached to the inner wall of the two rubber fixing rings, which are located in the middle of the front end and the rear end of the mounting frame, so that the hydrogen storage cylinder body 2 can be firmly fixed on the mounting frame 1 through the structure of the fixing bolt 5 and the fixed nut 501, preventing displacement or loosening in flight, the inner container 201 as an internal container of the hydrogen storage cylinder directly contacts with hydrogen, which is made of metal material, and is wrapped with a carbon fiber composite material layer 202 to provide high strength and high pressure resistance, the cushion layer 203 and the thermal protection layer 204 are respectively used for absorbing impact, reducing vibration transmission and protecting the cylinder from external high temperature, in addition, the outer wall of the rear end of the mounting frame 1 is connected with the unmanned aerial vehicle through the mounting block, and the middle of the upper surface of the hydrogen storage cylinder is provided with the interface 205 and the valve 206, which is convenient for hydrogen charging and discharging operation.

[0032] Finally, it should be noted that: the above only describes the preferred specific embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An ultra-high pressure carbon fiber composite hydrogen storage cylinder for unmanned aerial vehicles, comprising a mounting frame (1) and a hydrogen storage cylinder body (2), characterized in that: The middle part of the upper surface of the front end of the mounting frame (1) is fixedly connected with a support seat (103), the outer walls of the lower ends of the hydrogen storage cylinder bodies (2) are closely attached to the inner walls of the support seat (103), the middle part of the outer wall of the front end of the mounting frame (1) is fixedly connected with a first rubber fixing ring (3), the lower part of the rear end of the first rubber fixing ring (3) is fixedly connected with a second rubber fixing ring (4), the rear end of the second rubber fixing ring (4) is fixedly connected with the middle part of the outer wall of the front end of the mounting frame (1), the outer walls of the upper ends of the hydrogen storage cylinder bodies (2) are closely attached to the inner walls of the first rubber fixing ring (3) and the second rubber fixing ring (4), the middle part of the front end of the first rubber fixing ring (3) and the second rubber fixing ring (4) is provided with a connecting hole (301) on both sides, the inside of the connecting hole (301) is provided with a fixing bolt (5), one side of the fixing bolt (5) penetrates through the connecting hole (301) to one side of the connecting hole (301), and the outer wall of one side of the connecting hole (301) is screw-connected with a fixing nut (501).

2. The ultra-high pressure carbon fiber composite hydrogen storage cylinder for UAV according to claim 1, characterized in that: The inside of the hydrogen storage cylinder body (2) is provided with an inner container (201), the outer wall of the inner container (201) is fixedly connected with a carbon fiber composite material layer (202), the outer wall of the carbon fiber composite material layer (202) is fixedly connected with a cushion layer (203), and the outer wall of the cushion layer (203) is fixedly connected with a thermal protection layer (204). 3.The ultra-high pressure carbon fiber composite hydrogen storage cylinder for UAV according to claim 1, characterized in that: The outer wall of the rear end of the mounting frame (1) is fixedly connected with a first mounting block (101) on both sides, and the middle part of the upper surface of the rear end of the mounting frame (1) is fixedly connected with a second mounting block (102).

4. The ultra-high pressure carbon fiber composite hydrogen storage cylinder for UAV according to claim 1, characterized in that: The upper surface of the middle part of the hydrogen storage cylinder body (2) is connected with an interface (205), and the upper surface of the interface (205) is fixedly connected with a valve (206). 5.The ultra-high pressure carbon fiber composite hydrogen storage cylinder for UAV according to claim 1, characterized in that: The lower part of the rear end of the second rubber fixing ring (4) is fixedly connected with the middle part of the upper surface of the rear end of the support seat (103). 6.The ultra-high pressure carbon fiber composite hydrogen storage cylinder for UAV according to claim 1, characterized in that: The outer walls of the other sides of the fixing nuts (501) are closely attached to the outer walls of the front ends of the first rubber fixing ring (3) and the second rubber fixing ring (4) on one side.

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