CN211455847U - Metal plate shell protection structure for hydrogen fuel cell system - Google Patents

Abstract

The utility model discloses a panel beating casing protective structure for hydrogen fuel cell system, including top closing plate, the sealed pad of top, upper ledge subassembly, end frame subassembly, joint fixed plate, the sealed pad of joint fixed plate, panel beating base, the sealed pad of base, bottom closing plate and end plate. Firstly, putting a hydrogen fuel cell system into a box body from the top, and connecting three vibration absorbers of the hydrogen fuel cell system by bolts; next, mounting a bottom sealing plate and a sealing piece; then fixing the top sealing plate and the sealing element; and finally, installing a joint fixing plate and a sealing element. The utility model discloses an utilize panel beating forming structure and the sealed effect that fills up of rubber, compromise batch production and small-scale customization, effectively combine hydrogen fuel cell and seal box, realize functions such as waterproof dustproof, antidetonation, hydrogen safety protection of hydrogen fuel cell engine.

Description

Metal plate shell protection structure for hydrogen fuel cell system

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of hydrogen fuel cell system encapsulation protection especially is used for hydrogen fuel cell system's panel beating casing protective structure's technical field.

[ background of the invention ]

The hydrogen fuel cell system is composed of a plurality of subsystems, including a stack, a hydrogen gas supply system, an air supply system, a cooling water circulation system, an electrical system, accessories, and the like.

During the operation of the hydrogen fuel cell system, the hydrogen fuel cell system has high requirements on the surrounding environment and has certain protection performance on dust and water. In addition, under the use environment of the automobile, the automobile often encounters working conditions such as vibration, sand and dust, rain and snow and the like. Therefore, a certain packaging is required for the hydrogen fuel cell system to meet the protection level requirement of IP 67.

The utility model patent with the patent number of CN201020168188.8 provides an integrated packaging structure of fuel cell stack module, and the integrated design is carried out functions such as waterproof dustproof, antidetonation, electrical insulation, hydrogen safety protection, thermal-insulated. However, the minimum protection level is only IP55, and if the protection level is to be improved, the original structure needs to be designed. In addition, the design mounting means of this patent is that the pile module gets into from the rear end, and the operation of being not convenient for in the installation is also not favorable to the maintenance in later stage.

The invention patent No. CN201810050779.6 discloses a vehicle and a fuel cell thereof, a fuel cell package casing including a housing having a movable portion movable relative to a stack to contact or be away from the stack, aiming to solve the problems of heat dissipation at high temperature and heat preservation at low temperature. The patent is mainly aimed at improving the temperature control of the hydrogen fuel cell, and does not relate to comprehensive consideration in the aspects of protection grade, production, maintenance and the like.

The protective shell devices and the packaging structures of various fuel cell systems do not have specific requirements on the production, the processability and the maintenance convenience, the water resistance, the dust prevention, the shock resistance, the insulation, the heat insulation, the hydrogen leakage protection and the like, and the requirements on the convenience and the safety of batch production are difficult to meet.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, providing a panel beating casing protective structure for hydrogen fuel cell system, can play specific requirements such as waterproof dustproof, antidetonation, insulation, thermal-insulated heat preservation, hydrogen leakage protection, and simple structure, easy mass production. The main body structure is formed by welding, and has the characteristics of high strength, light weight, simple structure and good sealing effect; the top sealing plate and the upper frame assembly, the end frame assembly and the joint fixing plate are matched in a mode of combining a U-shaped groove with a waterproof screw, so that the waterproof and dustproof functions are realized, and the structure has the advantages of simplicity, high efficiency, stable protection effect and simplicity in processing; the bottom sealing plate and the base sealing gasket are matched in a mode that a V-shaped groove is combined with a waterproof screw, so that the sealing and positioning functions can be realized, and the water draining function is realized.

In order to achieve the purpose, the utility model provides a sheet metal shell protection structure for a hydrogen fuel cell system, which comprises a top sealing plate, a top sealing gasket, an upper frame component, an end frame component, a joint fixing plate sealing gasket, a sheet metal base, a base sealing gasket, a bottom sealing plate and an end plate, wherein the right end of the upper frame component is provided with the end frame component, the left end of the upper frame component is provided with the end plate, the lower end of the upper frame component is provided with the sheet metal base, and the upper frame component, the end frame component, the sheet metal base and the end plate are welded to form a whole; the top sealing plate and the top sealing gasket are fixed on the upper frame assembly; the joint fixing plate and the joint fixing plate sealing gasket are fixed on the end frame assembly; the base sealing gasket and the bottom sealing plate are fixed on the metal plate base.

Preferably, a U-shaped groove is processed on the top sealing plate, and a welding nut is welded in the U-shaped groove; the top sealing plate, the top sealing gasket and the upper frame assembly are fixed through waterproof screws, and the waterproof screws are connected with the welding nuts through threads, so that the waterproof and dustproof functions are achieved. The structure has the advantages of simplicity, high efficiency, stable protection effect and simple processing.

Preferably, a U-shaped groove is processed on the end frame assembly, and a welding nut is welded in the U-shaped groove; the end frame assembly, the joint fixing plate and the joint fixing plate sealing gasket are fixed through waterproof screws, and the waterproof screws are connected with the welding nuts through threads, so that the waterproof and dustproof functions are achieved. The structure has the advantages of simplicity, high efficiency, stable protection effect and simple processing.

Preferably, a V-shaped groove is processed on the bottom sealing plate, the base sealing gasket is provided with a V-shaped groove corresponding to the bottom sealing plate, and the bottom sealing plate and the base sealing gasket are matched with each other through the V-shaped groove, so that the sealing and positioning functions can be realized; the V-shaped groove of the bottom sealing plate is of an inverted V shape and has a water drainage function. Therefore, the V-shaped groove can be used for realizing the protection function, and the structure is simple and the protection effect is stable.

The utility model has the advantages that: the utility model discloses a panel beating base adopts carbon steel sheet integrated into one piece, has light in weight, intensity height, characteristics that bearing capacity is good. The sheet metal shell is processed by sheet metal, so that the performance is reliable, the production process is not limited by batch, and the sheet metal shell has good application significance; the customization, modularization and batch production of products are considered. The protection grade of the sheet metal shell can reach IP 67; through the fixation and the sealing of the sealing gasket and the corresponding connecting piece, a good protection effect can be achieved.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic perspective view of a sheet metal casing protection structure for a hydrogen fuel cell system according to the present invention;

fig. 2 is a schematic structural view of a sheet metal casing protection structure for a hydrogen fuel cell system according to the present invention;

fig. 3 is a schematic structural view of a part II in fig. 2 according to the present invention;

fig. 4 is a schematic structural view of the portion III of fig. 2 according to the present invention;

fig. 5 is a schematic structural diagram of the portion IV in fig. 2 according to the present invention.

In the figure: 1-top sealing plate, 2-top sealing gasket, 3-upper frame component, 4-end frame component, 5-joint fixing plate, 6-joint fixing plate sealing gasket, 7-sheet metal base, 8-base sealing gasket, 9-bottom sealing plate and 10-end plate.

[ detailed description ] embodiments

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention includes a top sealing plate 1, a top sealing gasket 2, an upper frame assembly 3, an end frame assembly 4, a joint fixing plate 5, a joint fixing plate sealing gasket 6, a sheet metal base 7, a base sealing gasket 8, a bottom sealing plate 9 and an end plate 10, wherein the end frame assembly 4 is arranged at the right end of the upper frame assembly 3, the end plate 10 is arranged at the left end of the upper frame assembly 3, the sheet metal base 7 is arranged at the lower end of the upper frame assembly 3, and the upper frame assembly 3, the end frame assembly 4, the sheet metal base 7 and the end plate 10 are welded to form a whole; the top sealing plate 1 and the top sealing gasket 2 are fixed on the upper frame component 3; the joint fixing plate 5 and the joint fixing plate sealing gasket 6 are fixed on the end frame assembly 4; the base sealing gasket 8 and the bottom sealing plate 9 are fixed on the sheet metal base 7.

Specifically, a U-shaped groove is processed on the top sealing plate 1, and a welding nut is welded in the U-shaped groove; the top sealing plate 1, the top sealing gasket 2 and the upper frame component 3 are fixed through waterproof screws, and the waterproof screws are connected with the welding nuts through threads, so that the waterproof and dustproof functions are achieved. The structure has the advantages of simplicity, high efficiency, stable protection effect and simple processing.

Specifically, a U-shaped groove is processed on the end frame assembly 4, and a welding nut is welded in the U-shaped groove; the end frame assembly 4, the joint fixing plate 5 and the joint fixing plate sealing gasket 6 are fixed through waterproof screws, and the waterproof screws are connected with the welding nuts through threads, so that the waterproof and dustproof functions are achieved. The structure has the advantages of simplicity, high efficiency, stable protection effect and simple processing.

Specifically, a V-shaped groove is processed on the bottom sealing plate 9, the base sealing gasket 8 is provided with a V-shaped groove corresponding to the bottom sealing plate 9, and the bottom sealing plate 9 and the base sealing gasket 8 are matched with each other through the V-shaped groove, so that the sealing and positioning functions can be realized; the V-shaped groove of the bottom sealing plate 9 is an inverted V-shaped groove and has a water drainage function. Therefore, the V-shaped groove can be used for realizing the protection function, and the structure is simple and the protection effect is stable.

The utility model discloses the working process:

the utility model relates to a panel beating casing protective structure for hydrogen fuel cell system explains in the course of the work, combines the figure.

1. Assembled shell

The sheet metal base 7, the upper frame assembly 3, the end frame assembly 4 and the end plate 10 are welded into a whole.

2. Stationary hydrogen fuel cell system

The damper base of the hydrogen fuel cell system is fixed to the metal plate base 7 by screws.

3. Bottom seal

Fix the base seal pad 8 on panel beating base 7, compress tightly the V type groove of bottom closing plate 9 and the corresponding recess of base seal pad 8 again, fix bottom closing plate 9 and panel beating base 7 through the screw at last.

4. Top seal

The top gasket 2 is fixed to the top sealing plate 1, and then the top sealing plate 1 and the upper frame assembly 3 are fixed by screws.

5. Joint fixing plate seal

The joint fixing plate packing 6 is fixed to the joint fixing plate 5, and then the joint fixing plate 5 and the end frame assembly 4 are fixed by screws.

The utility model discloses, hydrogen fuel cell engine adopts the water-cooling mode, solves fuel cell's heat dissipation and heat preservation demand. The inside hydrogen concentration detection device and waterproof discharge valve of being equipped with of panel beating casing has compromise the security of using when guaranteeing waterproof dirt-proof. The shock absorber is installed to hydrogen fuel cell engine bottom, fixes in panel beating casing bottom through the screw, plays antidetonation effect. The fuel cell stack module has an insulation function. The application meets the requirements of vehicle-mounted environment, and provides the packaging method of the anti-seismic, waterproof and dustproof sheet metal shell protection structure.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (4)

1. The utility model provides a panel beating casing protective structure for hydrogen fuel cell system which characterized in that: the sealing device comprises a top sealing plate (1), a top sealing gasket (2), an upper frame assembly (3), an end frame assembly (4), a joint fixing plate (5), a joint fixing plate sealing gasket (6), a sheet metal base (7), a base sealing gasket (8), a bottom sealing plate (9) and an end plate (10), wherein the end frame assembly (4) is arranged at the right end of the upper frame assembly (3), the end plate (10) is arranged at the left end of the upper frame assembly (3), the sheet metal base (7) is arranged at the lower end of the upper frame assembly (3), and the upper frame assembly (3), the end frame assembly (4), the sheet metal base (7) and the end plate (10) are welded to form; the top sealing plate (1) and the top sealing gasket (2) are fixed on the upper frame assembly (3); the joint fixing plate (5) and the joint fixing plate sealing gasket (6) are fixed on the end frame assembly (4); the base sealing gasket (8) and the bottom sealing plate (9) are fixed on the sheet metal base (7).

2. A sheet metal housing protective structure for a hydrogen fuel cell system in accordance with claim 1, wherein: a U-shaped groove is processed on the top sealing plate (1), and a welding nut is welded in the U-shaped groove; the top sealing plate (1), the top sealing gasket (2) and the upper frame assembly (3) are fixed through waterproof screws, and the waterproof screws are connected with welding nuts through threads.

3. A sheet metal housing protective structure for a hydrogen fuel cell system in accordance with claim 1, wherein: a U-shaped groove is processed on the end frame assembly (4), and a welding nut is welded in the U-shaped groove; the end frame assembly (4), the joint fixing plate (5) and the joint fixing plate sealing gasket (6) are fixed through waterproof screws, and the waterproof screws are connected with the welding nuts through threads.

4. A sheet metal housing protective structure for a hydrogen fuel cell system in accordance with claim 1, wherein: a V-shaped groove is processed on the bottom sealing plate (9), the base sealing gasket (8) is provided with a V-shaped groove corresponding to the bottom sealing plate (9), and the bottom sealing plate (9) and the base sealing gasket (8) are matched with each other through the V-shaped groove; the V-shaped groove of the bottom sealing plate (9) is of an inverted V shape.

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