CN216413129U

CN216413129U - Electric pile packaging shell of fuel cell system

Info

Publication number: CN216413129U
Application number: CN202122752120.5U
Authority: CN
Inventors: 周磊; 姚峰; 杨晓飞; 吴波
Original assignee: Wuhan Tiger Fuel Cell Co ltd
Current assignee: Wuhan Tiger Fuel Cell Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-29
Anticipated expiration: 2031-11-10

Abstract

The utility model provides a fuel cell system stack packaging shell, which comprises a shell and a cover plate, wherein the shell is provided with an opening towards one side, the shell is used for mounting a stack, the side wall of the shell is provided with a first mounting hole and a second mounting hole in a penetrating way, the side wall of the shell is provided with a positive high-voltage output connector and a negative high-voltage output connector, and the positive high-voltage output connector and the negative high-voltage output connector are both used for being connected with the stack and an electrical control module; the cover plate is detachably arranged on the shell; the stack inlet manifold is arranged in the first mounting hole and comprises an air inlet pipe, a hydrogen inlet pipe and a cooling liquid inlet pipe; the stack outlet manifold is arranged in the second mounting hole and comprises an air outlet pipe, a hydrogen outlet pipe and a cooling liquid outlet pipe. The technical scheme provided by the utility model has the beneficial effects that: the installation points are provided for other parts of the system, the number of the parts is reduced, a stable module is formed together, the use is convenient, the leakage risk and the assembly workload are reduced, and the system cost is also reduced.

Description

Electric pile packaging shell of fuel cell system

Technical Field

The utility model relates to the technical field of fuel cell systems, in particular to a fuel cell system electric pile packaging shell.

Background

As a power source of the fuel cell stack, in order to prevent the influence of the external impurities on the fuel cell stack, the fuel cell stack is generally sealed to prevent the external impurities, and thus a fuel cell stack package case is required.

The packaging shell solutions on the market are numerous at present, but generally have the following limitations: the encapsulation shell structure is complicated, and when needs maintain the pile alone, the dismouting is very inconvenient, and the mounting point is less on the encapsulation shell, and the integration of other spare parts of system and pile of not being convenient for generally needs to increase the mounting panel in the middle alone.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention provide a fuel cell system stack package casing to solve the above problems.

An embodiment of the present invention provides a fuel cell system stack package case including:

the shell body comprises a shell body and a cover plate, wherein the shell body is arranged towards an opening on one side, the shell body is used for mounting a galvanic pile, a first mounting hole and a second mounting hole are formed in the side wall of the shell body in a penetrating mode, a positive electrode high-voltage output connector and a negative electrode high-voltage output connector are mounted on the side wall of the shell body, and the positive electrode high-voltage output connector and the negative electrode high-voltage output connector are both used for being connected with the galvanic pile and the electrical control module; the cover plate is detachably arranged on the shell;

the stack inlet manifold is arranged in the first mounting hole and comprises an air inlet pipe, a hydrogen inlet pipe and a cooling liquid inlet pipe;

and the stack outlet manifold is arranged in the second mounting hole and comprises an air outlet pipe, a hydrogen outlet pipe and a cooling liquid outlet pipe.

Further, the casing includes the bottom plate and is the side bounding wall of annular setting, bottom plate and apron respectively with the side bounding wall can dismantle the connection.

Further, a sealing ring is arranged between the bottom plate and the side enclosing plate.

Further, a sealing ring is arranged between the cover plate and the side enclosing plate.

Furthermore, the side wall plate comprises a plurality of straight plates, and the straight plates are sequentially connected end to end.

Furthermore, after the adjacent straight plates are connected through bolts, the straight plates are fixed through welding.

Furthermore, a plurality of lifting lugs are arranged on the cover plate.

Furthermore, the lifting lugs are four and are respectively arranged at four top corners of the cover plate.

Further, a shock absorber is mounted at the bottom of the shell body.

Furthermore, a purging air inlet connector and a purging air outlet connector are arranged on the shell body.

The technical scheme provided by the embodiment of the utility model has the following beneficial effects: the galvanic pile packaging shell is arranged, so that the inside and the outside of the shell are completely isolated, and the galvanic pile is prevented from being polluted by the external environment; the positive electrode high-voltage output connector and the negative electrode high-voltage output connector are arranged on the shell, so that high-voltage electricity generated by the galvanic pile is safely conveyed outwards, and danger caused by contacting a high-voltage wire is avoided; the shell body is provided with the stack inlet manifold and the stack outlet manifold, mounting points are provided for other parts of the system, the number of the parts is reduced, a stable module is formed together, the module is convenient to use, the leakage risk and the assembly workload are reduced, and the system cost is also reduced.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a fuel cell system stack enclosure provided in the present invention;

FIG. 2 is a schematic view of the cover and base plates of FIG. 1 from a first perspective;

fig. 3 is a schematic view of the cover plate and the base plate of fig. 1 from a second perspective.

In the figure: the device comprises a cover plate 1, a bottom plate 2, a side wall plate 3, a first mounting hole 4, a second mounting hole 5, sealing rings 6-7, a positive electrode high-voltage output connector 8, a negative electrode high-voltage output connector 9, a purging air inlet connector 10, a purging air outlet connector 11, a lifting lug 12 and a shock absorber 13.

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 to 3, an embodiment of the utility model provides a fuel cell system stack package casing, which includes a casing, a stack inlet manifold, a stack outlet manifold and a cover plate 1.

The casing sets up towards one side opening, be used for installing the pile in the casing. Specifically, the casing includes bottom plate 2 and the side wall board 3 that is the annular setting, bottom plate 2 and apron 1 respectively with side wall board 3 can dismantle the connection, bottom plate 2 with be equipped with sealing washer 6 between the side wall board 3, guarantee the inside leakproofness of casing. In this embodiment, the side wall panel 3 includes a plurality of straight plates, and is a plurality of the straight plates are end to end in proper order, and adjacent pass through bolted connection back between the straight plate, through welded fastening. A plurality of straight plates are adjacent end to form side coamings 3, in the embodiment, the number of the straight plates is four, and the side coamings 3 are arranged in a square shape. The side wall plates 3 and the bottom plate 2 are connected to form the shell, so that the process that the traditional shell needs to be opened in the manufacturing process can be avoided, the shell is suitable for orders with small quantity, and the shell is suitable for small-batch production on the premise of well ensuring the strength and the sealing property.

The casing lateral wall runs through and is equipped with first mounting hole 4 and second mounting hole 5, casing lateral wall installs anodal high voltage output connector 8 and negative pole high voltage output connector 9, anodal high voltage output connector 8 and negative pole high voltage output connector 9 all are used for being connected with pile and electrical control module. In this embodiment, the first mounting hole 4, the second mounting hole 5, the positive high-voltage output connector 8, and the negative high-voltage output connector 9 are all provided on the side wall panel 3. The stack inlet manifold is arranged in the first mounting hole 4 and comprises an air inlet pipe, a hydrogen inlet pipe and a cooling liquid inlet pipe; and the stack outlet manifold is arranged in the second mounting hole 5 and comprises an air outlet pipe, a hydrogen outlet pipe and a cooling liquid outlet pipe. So set up, increased the mounting point on the encapsulation casing, the integration of other spare parts of system and galvanic pile of being convenient for has avoided current needs to increase the mounting panel that is used for the installation alone to system dismouting and later maintenance.

A sealing ring is arranged between the stack inlet manifold and the first mounting hole 4, and a sealing ring is also arranged between the stack outlet manifold and the second mounting hole 5, so that the sealing performance of the packaging shell is ensured.

Apron 1 demountable installation in on the casing, apron 1 with be equipped with sealing washer 7 between the side bounding wall 3, for the galvanic pile provides sealed environment, avoid external environmental pollution galvanic pile, galvanic pile surface high temperature simultaneously, shell and apron 1 encapsulate the galvanic pile, prevent to be touched by the people and take place danger. The cover plate 1 is detached, so that the inside of the galvanic pile is convenient to maintain.

The shell body is provided with a purging air inlet connector 10 and a purging air outlet connector 11, specifically, the purging air inlet connector 10 is arranged on the side coaming 3, the purging air outlet connector 11 is arranged on the bottom plate 2, the bottom plate 2 not only can be used as a part of packaging, but also can be used as a mounting point for other accessories of the system, so that materials are saved, and the mounting process is saved.

Be equipped with a plurality of lugs 12 on the apron 1, conveniently carry the pile system. Specifically, four lifting lugs 12 are arranged, and the four lifting lugs 12 are respectively arranged at four vertex angles of the cover plate 1, so that the stability of the pile system during hoisting can be enhanced. In this embodiment, the lifting lug 12 is a lifting eye screw, which is convenient for installation.

The utility model discloses a package structure, including shell body, bumper shock absorber 13, can reduce effectively that the spare part is along with the vibrations of vehicle or other equipment on the encapsulation shell, avoids causing contact failure, the not hard up condition of connection, and in this embodiment, bumper shock absorber 13 is for having elastic shock pad, and the material of shock pad can be rubber, silica gel etc.. Specifically, four shock absorbers 13 are arranged, and four shock absorbers 13 are respectively arranged at four top corners of the bottom plate 2, so that the bottom of the shell is suspended, and the shock absorption of the galvanic pile is realized while the heat dissipation of the galvanic pile is promoted.

Specifically, a plurality of straight plates for installing the side enclosing plate 3 are processed, the straight plates are assembled into the side enclosing plate 3 through bolts, the inner side joints of the straight plates are fixed through welding, the side enclosing plate 3 is installed on the bottom plate 2 through bolts, accessories such as a galvanic pile are installed in the shell, the pile inlet manifold and the pile outlet manifold are respectively fixed in the first installation hole 4 and the second installation hole 5 through bolts, the positive high-voltage output connector 8 and the negative high-voltage output connector 9 are respectively installed on the side enclosing plate 3 and are connected with the galvanic pile, the cover plate 1 is installed on the side enclosing plate 3 through bolts, and the sweeping gas inlet connector 10 and the sweeping gas outlet connector 11 are installed on the side enclosing plate 3.

Air, cooling liquid and hydrogen outside the packaging shell enter the electric pile through the pile inlet manifold on the side enclosing plate 3, and the air, the cooling liquid and the air after reaction are discharged outside the electric pile through the pile outlet manifold on the side enclosing plate 3. The high-voltage electricity generated by the electric pile is output outwards through the positive high-voltage output connector 8 and the negative high-voltage output connector 9. The purging air inlet connector 10 is connected with an external air source and then is discharged through the purging air outlet connector 11, so that the purging effect on the packaging shell can be realized, and the accumulation of leaked air or condensed water inside the shell is avoided. The system can be conveniently carried by arranging a plurality of lifting lugs 12; a plurality of shock absorbers 13 are mounted to the system frame to effectively reduce vibration of the components within the enclosure with the vehicle or other equipment.

The galvanic pile packaging shell is arranged, so that the inside and the outside of the shell are completely isolated, and the galvanic pile is prevented from being polluted by the external environment; the positive electrode high-voltage output connector 8 and the negative electrode high-voltage output connector 9 are arranged on the shell, so that high-voltage electricity generated by the galvanic pile is safely conveyed outwards, and danger caused by contacting a high-voltage wire is avoided; the shell body is provided with the stack inlet manifold and the stack outlet manifold, mounting points are provided for other parts of the system, the number of the parts is reduced, a stable module is formed together, the module is convenient to use, the leakage risk and the assembly workload are reduced, and the system cost is also reduced.

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 utility model, 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.

Claims

1. A fuel cell system stack enclosure, comprising:

2. The fuel cell system stack enclosure of claim 1, wherein the housing includes a bottom plate and a side skirt in an annular arrangement, the bottom plate and the cover plate being removably attached to the side skirt, respectively.

3. The fuel cell system stack enclosure of claim 2, wherein a seal is disposed between the bottom plate and the side enclosure.

4. The fuel cell system stack enclosure of claim 2, wherein a seal is disposed between the cover plate and the side enclosure.

5. The fuel cell system stack enclosure of claim 2, wherein the side enclosures comprise a plurality of straight plates, the plurality of straight plates being sequentially connected end-to-end.

6. The fuel cell system stack enclosure of claim 5, wherein adjacent straight plates are secured by welding after being bolted together.

7. The fuel cell system stack enclosure of claim 1, wherein the cover plate has a plurality of ears formed thereon.

8. The fuel cell system stack enclosure of claim 7, wherein four of the plurality of ears are provided, and four of the plurality of ears are provided at four corners of the cover plate.

9. The fuel cell system stack enclosure of claim 1, wherein a shock absorber is mounted to the bottom of the enclosure body.

10. The fuel cell system stack enclosure of claim 1, wherein the enclosure body has a purge inlet connection and a purge outlet connection.