CN215266394U

CN215266394U - Fuel cell system

Info

Publication number: CN215266394U
Application number: CN202121067369.6U
Authority: CN
Inventors: 张巍; 李亚昆; 蒋正浩
Original assignee: Shanghai Re Fire Energy and Technology Co Ltd
Current assignee: Shanghai Re Fire Energy and Technology Co Ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-21
Anticipated expiration: 2031-05-19

Abstract

The utility model provides a fuel cell system, include: a bracket; the stack packaging assembly is arranged above the bracket and is connected with the bracket through a first suspension component; the first suspension assembly comprises four first fasteners, the four first fasteners are respectively arranged at four corners of the bottom of the stack packaging assembly, and the four first fasteners are respectively fixed with the four corners of the bracket. The electric pile packaging assembly and the air compressor assembly of the utility model are respectively connected with the bracket in a suspension way, thereby reducing the vibration impact of the road surface and ensuring the stable operation of the air compressor assembly and the electric pile packaging assembly; the second suspension component can isolate the high-frequency noise of the air compressor assembly from being transmitted to the electric pile packaging assembly.

Description

Fuel cell system

Technical Field

The utility model relates to a fuel automobile's field, the utensil especially relates to a fuel cell system.

Background

At present, the state popularizes fuel cell vehicles vigorously, and an air compressor assembly and a galvanic pile package are one of main parts of the fuel cell vehicles as the galvanic pile package assembly. Vibration excitation of a traditional engine is omitted, parts of a majority of electric pile packaging assembly systems are rigidly bolted to a frame, rigidity of the parts can be improved, road vibration can be directly transmitted to the systems, durability and reliability of the parts are affected, and meanwhile, noise amplification of a large plane of electric pile packaging assembly packaging is achieved without considering an air compressor as an excitation source.

The large plane packaged by the electric pile packaging assembly has large noise, and the connected air compressor assembly can be influenced; in addition, the noise caused by the air compressor assembly body can be directly transmitted to the battery, so that the whole dynamic driving feeling is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a fuel cell system for solving the problems of durability and reliability of parts due to road vibration in the prior art.

To achieve the above and other related objects, the present invention provides a fuel cell system, comprising:

a bracket;

the stack packaging assembly is arranged above the bracket and is connected with the bracket through a first suspension component; the first suspension assembly comprises four first fasteners, the four first fasteners are respectively arranged at four corners of the bottom of the stack packaging assembly, and the four first fasteners are respectively fixed with the four corners of the bracket.

Preferably: still include the air compressor machine assembly, the air compressor machine assembly pass through the second suspension subassembly with a side of bracket is fixed continuous, the second suspension subassembly includes front overhang support and back overhang support, front overhang support and back overhang support all with the bracket link to each other with one side, just the air compressor machine assembly is located the side below of bracket.

Preferably: the front suspension bracket is a U-shaped bracket; one surface of the U-shaped frame, which is back to the opening side of the U-shaped frame, is fixed with the bracket, second fastening pieces are respectively arranged at two end parts of the U-shaped frame, an air compressor in the air compressor assembly is embedded in the opening of the U-shaped frame, and an outlet pipe fitting in the air compressor assembly is connected with the second fastening pieces.

Preferably: the second fastener comprises a first cushion block, a second cushion block and a bolt; the bolt penetrates through the first cushion block, the installation part at the outlet pipe fitting and the second cushion block in sequence and is in threaded connection with the U-shaped frame.

Preferably: the U-shaped frame is connected with the bracket through a stud.

Preferably: the rear overhang bracket comprises a connecting plate and two connecting pieces; the connecting plate with the rear end department of air compressor machine assembly links to each other, the both ends side department of connecting plate connects one respectively the connecting piece, and through two the connecting piece connect in the bracket.

Preferably: the connecting piece comprises a first cushion block, a second cushion block and a bolt; the bolt penetrates through the first cushion block, the screw hole in the bracket and the second cushion block and is in threaded connection with the connecting plate.

Preferably: mounting bosses are arranged at four end corners of the electric pile packaging assembly, and the first fastening piece comprises a first cushion block, a second cushion block and a bolt; the bolt penetrates through the first cushion block, the screw hole in the bracket and the second cushion block and is in threaded connection with the mounting boss.

Preferably: gaskets are arranged between one end of the bolt and the first cushion block and between the other end of the bolt and the second cushion block.

Preferably: the first cushion block and the second cushion block are elastic bodies.

As described above, the fuel cell system of the present invention has the following advantageous effects:

the utility model discloses a first suspension subassembly makes pile encapsulation assembly set up on the bracket, forms the suspension assembly, and the first suspension subassembly includes four first fasteners that correspond each end angle of pile encapsulation assembly to make the centroid and the barycenter of pile encapsulation assembly and bracket coincide mutually, make the road surface transmit the vibration reduction of pile encapsulation assembly and air compressor assembly, and improve its shock-resistant and torsional properties; in addition, the air compressor assembly is fixedly connected with one side edge of the bracket through the second suspension component, so that the noise of the air compressor assembly is reduced and is transmitted to the electric pile packaging assembly.

Drawings

Fig. 1 is a schematic diagram of a fuel cell system according to the present invention;

fig. 2 is a schematic diagram of a stack packaging assembly and a first suspension assembly of a fuel cell system according to the present invention;

FIG. 3 is a schematic diagram of a stack packaging assembly and a bracket of a fuel cell system according to the present invention;

fig. 4 is a schematic diagram of an air compressor assembly and a second suspension assembly of a fuel cell system according to the present invention.

Fig. 5 is a schematic view of a front suspension bracket of a second suspension assembly of a fuel cell system according to the present invention;

fig. 6 is a schematic view of a rear suspension bracket of a second suspension assembly of a fuel cell system according to the present invention;

fig. 7 is a schematic view of a fastener for a fuel cell system according to the present invention;

description of the element reference numerals

1 electric pile packaging assembly

11 first fastener

11a first spacer

11b second cushion block

11c bolt

12 mounting boss

2 bracket

3 air compressor assembly

31 inlet pipe fitting

32 pump head

33 electric machine

34 outlet pipe fitting

4 second suspension assembly

41 front suspension bracket

411 stud

412 extension arm

413 second fastening means

413a first cushion block

413b second spacer

413c bolt

42 rear overhang support

421 connecting plate

422 connecting piece

422a first cushion block

422b second cushion block

422c bolt

423 bolt

d first gasket

e second gasket

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

The X-axis is the front-back direction, and the Y-axis is the up-down direction.

Referring to fig. 1 to 7, for convenience of description, the X axis is designated as a front-rear direction and the Y axis is designated as an up-down direction. It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1, the present invention provides a fuel cell system, comprising:

a bracket 2;

the electric pile packaging assembly 1 is arranged above the bracket 2 and is connected with the bracket 2 through a first suspension component; the first suspension assembly comprises four first fasteners 11, the four first fasteners 11 are respectively arranged at four corners of the bottom of the stack packaging assembly 1, and the four first fasteners 11 are respectively fixed with four corners of the bracket 2.

The utility model discloses a set up first fastener 11 respectively in the four corners of electric pile encapsulation assembly 1 for electric pile encapsulation assembly 1 can be suspended in bracket 2 in the four corners, and the centroid and the barycenter coincidence of electric pile encapsulation assembly 1 and bracket 2 improve electric pile encapsulation assembly 1's shock-resistant and torsion performance; compare original rigid connection, set up pile encapsulation assembly 1 in bracket 2 through the suspension mode, improved pile encapsulation assembly 1's durability to promote holistic high frequency shock insulation performance, improved the high frequency noise because of vibrations lead to.

As shown in fig. 7, the stack packaging assembly 1 is fixedly connected with the bracket 2; specifically, mounting bosses 12 are arranged at four end corners of the stack packaging assembly 1; the first fastener 11 includes a first cushion block 11a, a second cushion block 11b, and a bolt 11 c; the bolt 11c penetrates through the first cushion block 11a, the screw hole on the bracket 2 and the second cushion block 11b, and is in threaded connection with the screw hole of the mounting boss 12. Preferably, the first and

second blocks

11a and 11b may be made of an elastic material such as rubber, so as to further reduce the transmission of the vibration of the bracket to the stack package assembly 1.

Further, in order to enable the first cushion block 11a and the second cushion block 11b to be uniformly pressed, a first gasket d is arranged between the nut of the bolt 11c and the first cushion block 11a, and a second gasket e is arranged between the second cushion block 11b and the bracket 2; and the abrasion to the first cushion block 11a and the second cushion block 11b during driving is reduced to a certain extent, and the service life of the first suspension assembly is prolonged.

For installing the air compressor assembly 3; specifically, the air compressor assembly 3 is fixedly connected with one side edge of the bracket 2 through a second suspension assembly; the second suspension component comprises a front suspension bracket 41 and a rear suspension bracket 42, the front suspension bracket 41 and the rear suspension bracket 42 are both connected with the same side edge of the bracket 2, and the air compressor assembly 3 is positioned below the side of the bracket 2. Compared with the original rigid connection, the suspension mode reduces the radiation noise transmitted to the electric pile packaging assembly 1 by the air compressor assembly 3, can reduce the noise transmission by 85 percent, and improves the driving comfort.

In order to enable the front suspension bracket 41 to fix the air compressor assembly 3 under the bracket 2; the front suspension bracket 41 is adopted, and the front suspension bracket 41 is a U-shaped bracket; one surface of the U-shaped frame, which is back to the opening side of the U-shaped frame, is fixed with the bracket 2, two end parts of the U-shaped frame are respectively provided with a second fastening piece 413, an air compressor in the air compressor assembly 3 is embedded in the opening of the U-shaped frame, and an outlet pipe fitting 34 in the air compressor assembly 3 is connected with the second fastening piece 413; the air compressor machine in the air compressor machine assembly 3 is established with inlaying of U type frame for air compressor machine and U type frame have carried out the location, have improved the simplicity and convenience of air compressor machine and U type frame installation.

In order to enable the front suspension bracket 41 to be fixed to the bracket 2; one surface of the U-shaped frame, which is back to the opening, is fixedly connected with the bracket 2 in a threaded connection mode; specifically, as shown in fig. 5, one side of the U-shaped frame facing away from the opening is a rectangular surface, and threaded holes are respectively formed at four corners of the rectangular surface, and a stud 411 for connecting the bracket 2 is inserted through each threaded hole.

In order to fixedly connect the two ends of the U-shaped frame and the outlet pipe fitting 34, a second fastening piece 413 is adopted; specifically, as shown in fig. 5, the second fastener 413 includes a first block 413a, a second block 413b, and a bolt 413 c; the bolt 413c sequentially penetrates through the first cushion block 413a, the mounting portion of the outlet pipe 34 and the second cushion block 413b, and is in threaded connection with the U-shaped frame. On one hand, the pretightening force of the bolt 413c can enable the first cushion block 413a and the second cushion block 413b to play a role in clamping the mounting part at the outlet pipe fitting 34, and on the other hand, the first cushion block 413a and the second cushion block 413b can reduce vibration transmission to the air compressor; preferably, the first block 413a and the second block 413b may be made of an elastic material such as rubber.

Further, as shown in fig. 5, in order to enable the first and

second spacers

413a and 413b to be uniformly pressed, a first spacer d is disposed between the nut of the bolt 413c and the first spacer 413a, and a second spacer e is disposed between the second spacer 413b and the end of the U-shaped frame; and the abrasion to the first cushion block 413a and the second cushion block 413b during running is reduced to a certain extent, and the service life of the front suspension bracket 41 is prolonged.

In order to enable the rear suspension bracket 42 to be fixed below the bracket 2 and the rear suspension bracket 42 to be fixed to the rear end of the air compressor assembly 3; specifically, the rear suspension bracket 42 includes a connecting plate 421 and two connecting members 422; the connecting plate 421 is connected to the rear end of the air compressor assembly 3, and two ends of the connecting plate 421 are connected to a connecting member 422 respectively and are connected to the bracket 2 through two connecting members 422.

In order to fixedly connect the rear suspension bracket 42 and the bracket 2, a connecting piece 422 is adopted; connector 422 includes a first block 422a, a second block 422b, and a bolt 422 c; the bolt 422c penetrates through the first block 422a, the screw hole of the bracket 2 and the second block 422b, and is screw-coupled to the connection plate 421. Similarly, bolt 422c provides a pre-load force to enable first block 422a and second block 422b to clamp into the screw hole on bracket 2; first block 422a and second block 422b may also reduce the transmission of vibrations to air compressor assembly 3. Preferably, the first and

second blocks

422a and 422b may be made of an elastic material such as rubber, so as to further reduce transmission vibration.

Further, as shown in fig. 6, in order to enable the first cushion block 422a and the second cushion block 422b to be uniformly pressed, a first gasket d is arranged between the bolt 422c and the first cushion block 422a, and a second gasket e is arranged between the second cushion block 422b and the connecting plate 421; and the abrasion to the first cushion block 422a and the second cushion block 422b during running is reduced to a certain extent, and the service life of the rear suspension bracket 42 is prolonged.

In order to make the connection between the connection board 421 and the air compressor assembly 3 smoother; as shown in fig. 6, a plurality of threaded holes may be provided on the connection plate 421, and each threaded hole is penetrated by a bolt 423 for connecting with the air compressor assembly 3; so that the rear end of the air compressor assembly 3 can be stably connected to the connection plate 421.

In order to further fix the connection between the connection plate 421 and the air compressor assembly 3; as shown in fig. 6, the connecting plate 421 is bent, so that one surface of the connecting plate 421 in the front-back direction can be bolted to the air compressor assembly 3, thereby increasing the contact area between the connecting plate 421 and the air compressor assembly 3; in addition, in a certain aspect, the bending part of the connecting plate 421 can provide a limiting effect on one side of the air compressor assembly 3, so that the air compressor assembly 3 is prevented from shaking.

To sum up, the first suspension components of the present invention enable the stack packaging assembly 1 to be disposed on the bracket 2, and the first suspension components are distributed at four corners of the stack packaging assembly 1; the centroid and the gravity center of the electric pile packaging assembly 1 are coincided, and the impact resistance and the torsion resistance of the electric pile packaging assembly are improved. The air compressor assembly 3 is arranged below the bracket 2 through the second suspension component 4, so that vibration transmitted to the electric pile packaging assembly 1 and the air compressor assembly 3 from a road surface is reduced; in addition, the noise transmission of the air compressor assembly 3 to the electric pile packaging assembly 1 is reduced.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A fuel cell system, characterized by comprising:

a bracket;

2. A fuel cell system according to claim 1, characterized in that: still include the air compressor machine assembly, the air compressor machine assembly pass through the second suspension subassembly with a side of bracket is fixed continuous, the second suspension subassembly includes front overhang support and back overhang support, front overhang support and back overhang support all with the bracket link to each other with one side, just the air compressor machine assembly is located the side below of bracket.

3. A fuel cell system according to claim 2, wherein: the front suspension bracket is a U-shaped bracket; one surface of the U-shaped frame, which is back to the opening side of the U-shaped frame, is fixed with the bracket, second fastening pieces are respectively arranged at two end parts of the U-shaped frame, an air compressor in the air compressor assembly is embedded in the opening of the U-shaped frame, and an outlet pipe fitting in the air compressor assembly is connected with the second fastening pieces.

4. A fuel cell system according to claim 3, wherein: the second fastener comprises a first cushion block, a second cushion block and a bolt; the bolt penetrates through the first cushion block, the installation part at the outlet pipe fitting and the second cushion block in sequence and is in threaded connection with the U-shaped frame.

5. A fuel cell system according to claim 3, wherein: the U-shaped frame is connected with the bracket through a stud.

6. A fuel cell system according to claim 2, wherein: the rear overhang bracket comprises a connecting plate and two connecting pieces; the connecting plate with the rear end department of air compressor machine assembly links to each other, the both ends side department of connecting plate connects one respectively the connecting piece, and through two the connecting piece connect in the bracket.

7. A fuel cell system according to claim 6, wherein: the connecting piece comprises a first cushion block, a second cushion block and a bolt; the bolt penetrates through the first cushion block, the screw hole in the bracket and the second cushion block and is in threaded connection with the connecting plate.

8. A fuel cell system according to claim 1, characterized in that: mounting bosses are arranged at four end corners of the electric pile packaging assembly, and the first fastening piece comprises a first cushion block, a second cushion block and a bolt; the bolt penetrates through the first cushion block, the screw hole in the bracket and the second cushion block and is in threaded connection with the mounting boss.

9. A fuel cell system according to any one of claim 4, claim 7 or claim 8, wherein: gaskets are arranged between one end of the bolt and the first cushion block and between the other end of the bolt and the second cushion block.

10. A fuel cell system according to any one of claim 4, claim 7 or claim 8, wherein: the first cushion block is an elastomer support and the second cushion block is an elastomer ring.