Hydrogen storage bottle fixing and protecting device

Abstract

The utility model provides a hydrogen storage bottle fixing and protecting device. The hydrogen storage bottle fixing and protecting device comprises a supporting block, an energy absorption ring, a triangular supporting frame, a honeycomb-shaped buffer block and a sealing cover. The supporting blocks comprise the first supporting block, the second supporting block and the third supporting block which are arranged in the triangular supporting frame and tightly attached to the outer wall of the energy absorption ring. The energy absorption ring is of a 3D printing gradient porous structure, and the porosity is increased to 65% from 30% from inside to outside. The honeycomb-shaped buffer block is arranged in an interlayer of the triangular supporting frame; the sealing cover is connected with the frame through an elastic buckle, and a colloid palladium layer is arranged in a gap of a cover body to adsorb hydrogen. The installation difficulty is reduced through the modular splicing design, the impact resistance is improved through the triangular frame and the honeycomb structure, and the potential safety hazard of collision of the hydrogen storage bottle is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hydrogen energy storage equipment safety protection technical field, especially high pressure hydrogen storage bottle fixed protection device. BACKGROUND

[0002] In recent years, the transformation of global energy structure has promoted the rapid development of hydrogen energy technology. Hydrogen fuel cell, as a clean and renewable energy solution, is gradually applied to transportation tools, especially new energy buses. Hydrogen fuel cell converts hydrogen and oxygen into electric energy through electrochemical reaction, and its only emission is water, which is friendly to the environment.

[0003] Hydrogen storage bottles are usually made of high-strength alloy materials and have high-pressure containment capacity. However, the safety of existing hydrogen storage bottles is still a concern when they encounter collisions, extrusions and other situations. According to statistics, fire accidents caused by hydrogen storage bottle rupture often occur in traffic accidents, which seriously affects the safety and reliability of new energy buses.

[0004] In high-speed driving or urban traffic environment, vehicle collision accidents occur frequently. Especially in public transportation systems, the safety problem of buses is becoming increasingly prominent. Collision may cause damage to the hydrogen storage bottle, which in turn may cause hydrogen leakage, causing great safety hazards. Therefore, it is particularly important to develop an efficient and reliable collision safety protection device. INVENTION CONTENTS

[0005] Therefore, the utility model provides a hydrogen storage bottle fixed protection device to solve one of the above problems, improve the safety and reliability of the hydrogen storage bottle, and ensure the fixing effect of the hydrogen storage bottle.

[0006] A hydrogen storage bottle fixed protection device, comprising a base assembly, a triangular support frame, a honeycomb buffer block, a sealing cover and a colloidal palladium layer, the base assembly comprises: an energy absorbing ring, the energy absorbing ring is located around the hydrogen storage bottle and adopts a 3D printed gradient porous structure; a first support block located at the bottom of the triangular support frame has a first support surface adapted to the outer wall of the energy absorbing ring; a second support block located at the top of the triangular support frame has a second support surface adapted to the outer wall of the energy absorbing ring; a third support block located at the side of the triangular support frame is spliced between the first support block and the second support block and has two third support surfaces arranged oppositely; the first support surface and the second support surface are arranged oppositely to support the hydrogen storage bottle, and each support block is spliced and connected with the triangular support frame through an elastic buckle; the honeycomb buffer block is filled in the interlayer of the triangular support frame.

[0007] Further, the number of third support blocks is two, and the third support surfaces of adjacent third support blocks are arranged oppositely to form a clamping structure.

[0008] Further, the first support surface, the second support surface and the third support surface are all arc surfaces.

[0009] Further, the first support surface, the second support surface and the third support surface are all arc surfaces.

[0010] Further, the first support surface, the second support surface and the third support surface are all arc surfaces.

[0011] Further, the first support surface, the second support surface and the third support surface are all arc surfaces.

[0012] Further, the first support surface, the second support surface and the third support surface are all arc surfaces.

[0013] Compared with the prior art, the hydrogen storage bottle base assembly has the following beneficial effects:

[0014] 1. The collision protection capability is significantly improved: compared with the traditional integral metal frame structure, the gradient porous structure design of the energy absorption ring effectively avoids the rupture of the hydrogen storage bottle caused by stress concentration, and reduces the hydrogen leakage rate;

[0015] 2. The modular assembly efficiency is optimized: the elastic buckle splicing design of the first support block, the second support block and the third support block makes the single bottle installation time shorter, the assembly efficiency is improved, and the straight-line arrangement design of the support block reduces the time consumption of multi-bottle group expansion;

[0016] 3. Active prevention and control of hydrogen leakage: the colloid palladium layer arranged between the sealing cover and the frame gap cooperates with the sealing structure of the triangular support frame to reduce the volume of leaked hydrogen, and the safety is improved compared with the traditional design without adsorption layer;

[0017] 4. Buffer performance and maintenance convenience: the design of the honeycomb-shaped buffer block absorbs kinetic energy in impact testing, and the frame sandwich detachable structure shortens the replacement time of the buffer component;

[0018] 5. Enhanced self-adaptive compatibility: the support surface adopts a rubber material arc surface, which has better compatibility than the traditional rigid fixed structure, and the arc surface fitting design reduces the vibration amplitude of the bottle body. BRIEF DESCRIPTION OF DRAWINGS

[0019] The following is some specific embodiment of the present application for the purpose of explaining the auxiliary illustration of the present application, and the description of the drawings is mainly the principle of the specific operation execution structure or method of some embodiments of the present application, but this does not mean that the physical structure or operation steps of the present application can only be shown in the figure.

[0020] Figure 1 is the structure diagram of the hydrogen storage bottle base assembly of the utility model;

[0021] Figure 2 is the energy absorbing ring structure diagram of the utility model;

[0022] Figure 3 is the sealing cover structure diagram of the utility model;

[0023] Figure 4 is the structure diagram in the embodiment of the hydrogen storage bottle fixing protection device of the utility model;

[0024] Figure 5 is the complete parts schematic diagram of the utility model;

[0025] Figure 6 is the overall structure schematic diagram of the utility model;

[0026] Figure 7 is the cross-sectional structure diagram of the elastic buckle;

[0027] Element number explanation: 1 is the first support block, 101 is the first support surface, 2 is the second support block, 201 is the second support surface, 3 is the third support block, 301 is the third support surface, 4 is the triangular support frame, 5 is the honeycomb buffer block, 6 is the sealing cover, 7 is the colloidal palladium, 8 is the hydrogen storage bottle, 9 is the energy absorbing ring, 10 is the elastic buckle. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0029] The utility model aims at providing a hydrogen storage bottle fixing protection device to solve the problems in the prior art, reduce the manufacturing difficulty of the hydrogen storage bottle fixing protection structure, and enhance the hydrogen storage bottle fixing effect.

[0030] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the utility model will be described in further detail below with reference to the drawings and specific embodiments.

[0031] Please refer to Figures 1-7 , wherein, Figure 1 is the hydrogen storage bottle base assembly structure diagram of the utility model; Figure 2 is the energy absorbing ring structure diagram of the utility model; Figure 3 is the sealing cover structure diagram of the utility model; Figure 4 is the structure diagram in the embodiment of the hydrogen storage bottle fixing protection device of the utility model; Figure 5It is the complete part schematic view of the utility model; Figure 6 It is the whole structure schematic view of the utility model; Figure 7 It is the section structure view of elastic buckle.

[0032] The utility model provides a kind of hydrogen storage bottle fixed protection device, wherein base assembly includes energy-absorbing ring 9, energy-absorbing ring 9 is manufactured using 3D printing technology, in printing process, by accurately controlling fiber diameter, material accumulation mode, porosity is increased from 30% gradient to 65% from inside to outside, energy-absorbing ring 9 can provide uniform distribution force, help to evenly disperse energy, increase structural stability, ensure that energy can be effectively dispersed when being impacted, to protect equipment or personnel from impact, vibration or other forms of energy damage;First support block 1 and second support block 2, first support block 1 has the first support surface 101 compatible with the outer wall of energy-absorbing ring 9;Second support block 2 has the second support surface 201 compatible with the outer wall of energy-absorbing ring 9;First support surface 101 is oppositely arranged with second support surface 201, and first support surface 101 cooperates with second support surface 201 to support hydrogen storage bottle 8;First support block 1 and second support block 2 can be connected by being spliced with triangular support frame 4 respectively.

[0033] The utility model discloses a kind of hydrogen storage bottle fixed protection device, wherein base assembly includes energy-absorbing ring 9, provide uniform distribution force, help to evenly disperse energy, increase structural stability, ensure that energy can be effectively dispersed when being impacted, to protect equipment or personnel from impact, vibration or other forms of energy damage;First support block 1 and second support block 2, first support surface 101 and second support surface 201 are compatible with energy-absorbing ring 9, can be attached with the outer wall of energy-absorbing ring 9, first support surface 101 and second support surface 201 cooperate to support hydrogen storage bottle 8, first support block 1 and second support block 2 can be connected by being spliced with triangular support frame 4 respectively, the hydrogen storage bottle fixed protection device of the utility model, base assembly is detachable, base assembly can be connected by being spliced with triangular support frame 4, easy to disassemble and assemble, reduce the difficulty of processing and manufacturing.

[0034] In addition, the hydrogen storage bottle fixing protection device further comprises two third supporting blocks 3 capable of being spliced with the frame 4, the third supporting blocks 3 being spliced between the first supporting block 1 and the second supporting block 2; the third supporting blocks 3 have two third supporting surfaces 301 matched with the outer wall of the energy absorption ring 9, the two third supporting surfaces 301 being oppositely arranged, and the first supporting surface 101 being capable of supporting the hydrogen storage bottle 8 in cooperation with the third supporting surface 301. The third supporting blocks 3 are optionally arranged, the third supporting blocks 3 being spliced between the first supporting block 1 and the second supporting block 2, the third supporting blocks 3 having two oppositely arranged third supporting surfaces 301, and the first supporting surface 101 being capable of supporting the hydrogen storage bottle 8 in cooperation with the third supporting surface 301. In addition, the first supporting block 1, the second supporting block 2 and the third supporting block 3 are all capable of being connected with the frame 4, further enhancing the fixing protection effect of the hydrogen storage bottle 8 and improving the operation convenience. In the embodiment, the first supporting block 1, the second supporting block 2 and the third supporting block 3 are all made of rubber material, which is light in weight and good in shock absorption effect.

[0035] Specifically, the first supporting surface 101, the second supporting surface 201 and the third supporting surface 301 are all arc surfaces, so as to adapt to the shape of the outer wall of the energy absorption ring 9 and also adapt to hydrogen storage bottles 8 of different diameters; the first supporting surface 101, the second supporting surface 201 and the third supporting surface 301 are all made of rubber material, which effectively protects the safety of the hydrogen storage bottle 8 and improves the safety factor of the device while enhancing the fixing effect of the hydrogen storage bottle 8.

[0036] In the embodiment, the first supporting block 1, the second supporting block 2 and the third supporting block 3 are arranged in a straight line and fixed in multiple directions, so as to improve the flexible adaptability of the device.

[0037] More specifically, the hydrogen storage bottle fixing protection device further comprises a honeycomb buffer block 5 arranged in the interlayer of the triangular supporting frame 4, the honeycomb buffer block 5 being a kind of high-efficiency energy absorption structure, when subjected to external impact, the small cells of the honeycomb will gradually deform and collapse, converting the kinetic energy generated by the impact into plastic deformation energy of the honeycomb material, so as to reduce the impact force transmitted to the protected hydrogen storage bottle. The honeycomb buffer block can provide stable support for the triangular supporting frame while ensuring the buffering performance.

[0038] Further, the utility model discloses a kind of hydrogen storage bottle 8 fixed protection device, contain above-mentioned hydrogen storage bottle base assembly, still include sealing cover 6, sealing cover 6 and triangular support frame 4 are elastic buckle 10 connection, fixed by the elastic deformation of elastic buckle 10 material, base assembly is fixed on triangular support frame 4 by splicing, improve the fixing effect of hydrogen storage bottle 8, sealing cover 6 its front face has with hydrogen storage bottle 8 inharmonious relative volume, to place colloid palladium 7, colloid palladium 7 has larger specific surface area, can adsorb the hydrogen gas that bottle mouth escapes, to reduce hydrogen leakage volume.

[0039] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A hydrogen storage cylinder fixation protection device, characterized in that, It comprises a base assembly, a triangular support frame (4), a honeycomb buffer block (5), a sealing cover (6), a colloidal palladium layer (7), wherein the base assembly comprises: An energy absorption ring (9) is located on the periphery of the hydrogen storage bottle and adopts a 3D printed gradient porous structure. A first support block (1) is located at the bottom of the triangular support frame (4) and has a first support surface (101) matched with the outer wall of the energy absorption ring (9). A second support block (2) is located at the top of the triangular support frame (4) and has a second support surface (201) matched with the outer wall of the energy absorption ring (9). A third support block (3) is located on the side of the triangular support frame (4) and is spliced between the first support block (1) and the second support block (2), and has two third support surfaces (301) arranged oppositely. The first support surface (101) and the second support surface (201) are arranged oppositely to support the hydrogen storage bottle (8), and each support block is spliced and connected with the triangular support frame (4) through an elastic buckle (10). The honeycomb buffer block (5) is filled in the interlayer of the triangular support frame (4).

2. The hydrogen storage cylinder securement protection device of claim 1, wherein: The number of the third support block (3) is two, and the third support surfaces (301) of the adjacent third support blocks (3) are arranged oppositely to form a clamping structure.

3. The hydrogen storage cylinder securement protection device of claim 1, wherein: The first support surface, the second support surface and the third support surface are all arc surfaces.

4. The hydrogen storage cylinder securement protection device of claim 1, wherein: The first support surface (101), the second support surface (201) and the third support surface (301) are all made of rubber.

5. The hydrogen storage cylinder securement protection device of claim 1, wherein: The first support block, the second support block and the third support block are arranged in a straight line.

6. The hydrogen storage cylinder securement protection device of claim 1, wherein: The sealing cover and the triangular support frame are connected through an elastic buckle.

7. The hydrogen storage cylinder securement protection device of claim 6, wherein: The colloidal palladium layer (7) is arranged in the gap between the sealing cover and the triangular support frame and is used for adsorbing part of hydrogen.

Images