阅读说明：本技术 一种应用于燃料电池氢能汽车供氢系统的储氢瓶结构 (Hydrogen storage bottle structure applied to hydrogen supply system of fuel cell hydrogen energy automobile ) 是由 敖双新 郝义国 于 2020-12-07 设计创作，主要内容包括：本发明提供一种应用于燃料电池氢能汽车供氢系统的储氢瓶结构,包括合金内胆及缠绕于所述合金内胆表面的碳纤维材质的保护层,所述合金内胆一端设有中空圆柱状颈部支架、另一端设有柱状的尾部支架,所述颈部支架与所述尾部支架轴线重合,所述颈部支架周向上设有阶梯状的颈部限位槽,所述尾部支架周向上设有阶梯状的尾部限位槽,所述保护层缠绕于所述颈部限位槽和所述尾部限位槽之间。本发明的有益效果：颈部支架和尾部支架作为旋转定位结构,便于保护层的在合金内胆表面缠绕,储氢瓶的瓶身与瓶颈、瓶尾分隔开,颈部支架和尾部支架作为外部固定结构固定于车身上,避免使用瓶身做固定结构,对瓶身形成有效保护。(The invention provides a hydrogen storage bottle structure applied to a hydrogen supply system of a fuel cell hydrogen energy automobile, which comprises an alloy inner container and a protective layer made of carbon fiber materials and wound on the surface of the alloy inner container, wherein one end of the alloy inner container is provided with a hollow cylindrical neck support, the other end of the alloy inner container is provided with a cylindrical tail support, the axis of the neck support is superposed with that of the tail support, the circumference of the neck support is provided with a stepped neck limiting groove, the circumference of the tail support is provided with a stepped tail limiting groove, and the protective layer is wound between the neck limiting groove and the tail limiting groove. The invention has the beneficial effects that: neck support and afterbody support are as the rotational positioning structure, and the protective layer of being convenient for twines on alloy inner bag surface, and the body and the bottleneck, the bottle tail of hydrogen storage bottle are separated, and neck support and afterbody support are fixed in the automobile body as outside fixed knot structure on, avoid using the body to do fixed knot and construct, form effective protection to the body.)

1. The utility model provides a be applied to hydrogen storage bottle structure of fuel cell hydrogen energy car hydrogen supply system, including alloy inner bag and twine in the carbon fiber material's on alloy inner bag surface protective layer, its characterized in that: the alloy liner is characterized in that a hollow cylindrical neck support is arranged at one end of the alloy liner, a cylindrical tail support is arranged at the other end of the alloy liner, the axis of the neck support coincides with that of the tail support, a stepped neck limiting groove is formed in the circumferential direction of the neck support, a stepped tail limiting groove is formed in the circumferential direction of the tail support, and the protective layer is wound between the neck limiting groove and the tail limiting groove.

2. The hydrogen storage bottle structure applied to the hydrogen supply system of the fuel cell hydrogen energy automobile according to claim 1, characterized in that: the neck support is provided with a cylindrical clamping part on the outer side of the neck limiting groove, and the tail support is provided with a cylindrical external connecting part on the outer side of the tail limiting groove.

3. The hydrogen storage bottle structure applied to the hydrogen supply system of the fuel cell hydrogen energy automobile as claimed in claim 2, wherein: the tail support is provided with an annular inner neck at one end close to the alloy liner, a raised outer ring is arranged in the middle of the tail support, the tail limiting groove is formed between the outer ring and the inner neck, and the external connection part is arranged on one side of the outer ring, which deviates from the tail limiting groove.

4. The hydrogen storage bottle structure applied to the hydrogen supply system of the fuel cell hydrogen energy automobile as claimed in claim 2, wherein: the neck support middle part is equipped with bellied annular spacing collar, the spacing collar with form the neck spacing groove between the alloy inner bag, the spacing collar outside is the clamping part.

5. The hydrogen storage bottle structure applied to the hydrogen supply system of the fuel cell hydrogen energy automobile as claimed in claim 2, wherein: and the outer side end face of the external connection part is provided with a chamfer hole, and the chamfer hole is coincided with the axis of the clamping part.

6. The hydrogen storage bottle structure applied to the hydrogen supply system of the fuel cell hydrogen energy automobile according to claim 1, characterized in that: the tail support is connected with the alloy inner container in a welding mode.

7. The hydrogen storage bottle structure applied to the hydrogen supply system of the fuel cell hydrogen energy automobile according to claim 1, characterized in that: the thickness of the protective layer decreases from the two ends of the alloy liner to the middle part of the alloy liner.

Technical Field

The invention relates to the technical field of hydrogen energy automobiles, in particular to a hydrogen storage bottle structure applied to a hydrogen supply system of a fuel cell hydrogen energy automobile.

Background

With the improvement of living standard of people, the automobile keeping quantity is gradually increased, and meanwhile, environmental problems are also paid extensive attention, so that the automobile industry is actively promoting revolution and striving to popularize new energy automobiles. Among them, hydrogen fuel cell vehicles are important as new energy vehicles, and they directly convert chemical energy into electric energy to provide power through the reaction of hydrogen and oxygen, and have the advantages of high efficiency and near zero emission, and thus are widely recognized by all countries in the world as having a broad development prospect. The fuel of the fuel cell automobile is hydrogen, the hydrogen needs to be stored on the automobile, and stable hydrogen is supplied according to the actual requirement of the automobile, so the hydrogen storage bottle is also a key part for the development of the hydrogen energy automobile, however, the processing of the hydrogen storage bottle and the installation and fixation of the hydrogen storage bottle on the automobile body are difficult problems when the hydrogen storage bottle is used as a part of an automobile-mounted high-pressure hydrogen supply system.

Disclosure of Invention

In view of the above, in order to solve the problems of processing and fixing the hydrogen storage bottle on the vehicle body, embodiments of the present invention provide a hydrogen storage bottle structure applied to a hydrogen supply system of a fuel cell hydrogen energy vehicle.

The embodiment of the invention provides a hydrogen storage bottle structure applied to a hydrogen supply system of a fuel cell hydrogen energy automobile, which comprises an alloy inner container and a protective layer made of carbon fiber materials and wound on the surface of the alloy inner container, wherein one end of the alloy inner container is provided with a hollow cylindrical neck support, the other end of the alloy inner container is provided with a cylindrical tail support, the axis of the neck support is superposed with that of the tail support, the circumference of the neck support is provided with a stepped neck limiting groove, the circumference of the tail support is provided with a stepped tail limiting groove, and the protective layer is wound between the neck limiting groove and the tail limiting groove.

Furthermore, the outer side of the neck limiting groove on the neck support is provided with a cylindrical clamping part, and the outer side of the tail limiting groove on the tail support is provided with a cylindrical external part.

Furthermore, an annular inner neck is arranged at one end, close to the alloy liner, of the tail support, a raised outer ring is arranged in the middle of the tail support, a tail limiting groove is formed between the outer ring and the inner neck, and the outer connecting portion is arranged on one side, away from the tail limiting groove, of the outer ring.

Furthermore, the middle part of the neck support is provided with a raised annular limiting ring, a neck limiting groove is formed between the limiting ring and the alloy liner, and the outer side of the limiting ring is provided with the clamping part.

Furthermore, the outer side end face of the external connection part is provided with a chamfer hole, and the chamfer hole coincides with the axis of the clamping part.

Further, the tail support is connected with the alloy inner container in a welding mode.

Furthermore, the thickness of the protective layer decreases from the two ends of the alloy liner to the middle of the alloy liner.

The technical scheme provided by the embodiment of the invention has the following beneficial effects: according to the hydrogen storage bottle structure applied to the hydrogen supply system of the fuel cell hydrogen energy automobile, the neck support and the tail support are used as rotary positioning structures, so that the protective layer can be conveniently wound on the surface of the alloy liner, and the problem that the hydrogen storage bottle is not changed in processing is solved; in addition, stepped limiting grooves are formed in the neck support and the tail support to separate the bottle body of the hydrogen storage bottle from the bottle neck and the bottle tail, and the neck support and the tail support are used as external fixing structures to be fixed on the vehicle body, so that the bottle body is prevented from being used as a fixing structure, and the bottle body is effectively protected; meanwhile, when the hydrogen storage bottle is used as a part of a vehicle-mounted high-pressure hydrogen supply system, the bottleneck and the tail of the hydrogen storage bottle are directly used for fixation, so that the weight reduction of the hydrogen supply system and the weight reduction of the whole vehicle are facilitated.

Drawings

FIG. 1 is a schematic diagram of a hydrogen storage bottle structure applied to a hydrogen energy automobile hydrogen supply system of a fuel cell in the invention;

FIG. 2 is a partial schematic view of the neck brace 3 of FIG. 1;

fig. 3 is a partial schematic view of fig. 1 at the caudal carriage 4.

In the figure: 1-alloy inner container, 2-protective layer, 3-neck support, 4-tail support, 5-air inlet and outlet, 6-neck limiting groove, 7-limiting ring, 8-clamping part, 9-tail limiting groove, 10-external joint surface, 11-inner neck, 12-external ring and 13-chamfer hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present invention provides a hydrogen storage bottle structure for a hydrogen supply system of a fuel cell hydrogen energy vehicle, including an alloy liner 1 and a carbon fiber protective layer 2 wound on the surface of the alloy liner 1.

Specifically, referring to fig. 2, the alloy inner container 1 is a cylindrical tank body with a cylindrical middle part and oval sphere-shaped two ends, the front end of the alloy inner container 1 is provided with an air inlet and outlet 5, and the rear end is closed. The front end of the alloy inner container 1 is provided with a hollow cylindrical neck support 3, and the inside of the neck support 3 is used as an air inlet and outlet 5. The neck support 3 is circumferentially provided with a stepped neck limiting groove 6, and the neck limiting groove 6 is arranged at a position, close to the alloy inner container 1, of the neck support 3. Here, a cylindrical clamping portion 8 is arranged on the neck support 3 outside the neck limiting groove 6, a raised annular limiting ring 7 is arranged in the middle of the neck support 3, the neck limiting groove 6 is formed between the limiting ring 7 and the alloy liner 1, and the clamping portion 8 is arranged outside the limiting ring 7.

Referring to fig. 3, a cylindrical tail support 4 is disposed at the rear end of the alloy liner 1, and the tail support 4 may be processed separately and welded to the rear end of the alloy liner 1 after being processed. The neck support 3 and the tail support 4 are overlapped in axial line, a stepped tail limiting groove 9 is circumferentially arranged on the tail support 4, and a cylindrical external connection part 10 is arranged on the tail support 4 and outside the tail limiting groove 9. Here, an annular inner neck 11 is arranged at one end of the tail support 4 close to the alloy liner 1, a raised outer ring 12 is arranged in the middle of the tail support, the tail limiting groove 9 is formed between the outer ring 12 and the inner neck 11, and the outer connecting portion 10 is arranged on one side of the outer ring 12, which deviates from the tail limiting groove 9.

The protective layer 2 is wound between the neck limiting groove 6 and the tail limiting groove 9. Preferably, the thickness of the protective layer 2 decreases from the two ends of the alloy liner 1 to the middle, that is, the transition part between the two ends of the alloy liner 1 is a weak and vulnerable part, so that a thicker protective layer 2 is provided for protection.

Referring to fig. 1, 2 and 3, when the protective layer 2 is wound, the clamping portion 8 of the neck support 3 is clamped, the neck support 3 is made to rotate, the external connection portion 10 of the tail support 4 is provided with a floating bearing, and the alloy liner 1 is axially constrained by the floating bearing. In addition, a chamfer hole 13 can be formed in the outer side end face of the external connection part 10, so that the chamfer hole 13 is overlapped with the axis of the clamping part 8, and the alloy liner 1 is axially positioned by taking the chamfer hole 13 and the limiting ring 7 as a fulcrum through an external clamp, so that the protective layer 2 can be conveniently wound on the alloy liner 1.

When the hydrogen storage bottle structure is used as a vehicle-mounted high-pressure hydrogen supply system component, the neck support 3 and the tail support 4 are fixed on the vehicle body main body, so that the hydrogen storage bottle body is prevented from being used as a fixed structure, and the structure of the hydrogen storage bottle body is changed; neck support 3 with set up the neck spacing groove 6 and the afterbody spacing groove 9 of ladder cell type on the afterbody support 4, do external fixation structure with the clamping part 8 in the neck spacing groove 6 outside and the external portion 10 in the afterbody spacing groove 9 outside, separate the body in this hydrogen storage bottle structure with bottleneck, bottle tail, receive the ladder groove and block the effect, hydrogen storage bottle fixed knot constructs can't be higher to the body striking when receiving the impact. When the hydrogen storage bottle is used as a part of a vehicle-mounted high-pressure hydrogen supply system, the bottleneck and the tail of the hydrogen storage bottle are directly used for fixation, so that the weight reduction of the hydrogen supply system and the weight reduction of a whole vehicle are facilitated, and the light weight of a hydrogen energy automobile is facilitated.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.