Hydrogen fuel cell power supply system convenient to assemble

By employing a splicing and limiting plate design in the hydrogen fuel cell power system, the problem of excessive bolt usage during assembly is solved, enabling convenient hydrogen fuel cell assembly.

CN223986579UActive Publication Date: 2026-03-10PAN STAR TECH (ZHEJIANG) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

The assembly of hydrogen fuel cell power systems requires the use of a large number of bolts, making the assembly process cumbersome.

Method used

The first and second outer shells are spliced ​​together by a splicing part, and a limiting plate is provided on the inner wall. The components of the hydrogen fuel cell are set in the mounting frame and fixed by guide grooves, guide edges, splicing grooves and splicing ears, reducing the use of bolts.

Benefits of technology

This enables convenient assembly of hydrogen fuel cells, reduces the number of bolts used, and improves assembly efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a hydrogen fuel cell power supply system convenient to assemble, which comprises a first shell, a second shell, a mounting frame and a hydrogen fuel cell, each part of the hydrogen fuel cell is arranged in the mounting frame, and the inner wall of the first shell and the inner wall of the second shell are provided with limiting plates for limiting the mounting frame. The first shell and the second shell are complementary, and a splicing part is arranged at the contact position of the first shell and the second shell. The hydrogen fuel cell has the advantages that the first shell and the second shell are spliced through the splicing part, and the limiting plates are arranged on the inner walls of the first shell and the second shell, so that bolts are not needed in the process of assembling the hydrogen fuel cell to the shells, and the assembly is convenient; and the mounting frame is arranged, so that each part of the hydrogen fuel cell can be quickly and conveniently mounted.
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Description

Technical Field

[0001] This utility model relates to the field of hydrogen fuel cell technology, and in particular to a hydrogen fuel cell power system that is easy to assemble. Background Technology

[0002] Hydrogen fuel cell power systems can directly convert the chemical energy of hydrogen and oxygen into electrical energy, offering advantages such as high efficiency, zero pollution, and zero noise during the energy conversion process. The hydrogen fuel cell is the most crucial component of a hydrogen fuel cell power system. It typically consists of a fuel cell stack, a boost DC power supply, an inlet solenoid valve, an outlet solenoid valve, a radiator, and a lithium battery. During production, these components need to be assembled into a hydrogen fuel cell, which is then installed into the power system's casing. The assembly of the hydrogen fuel cell and its installation into the power system casing requires numerous bolts for secure fastening, making the process quite complex. Summary of the Invention

[0003] This invention mainly solves the above-mentioned problems and provides a hydrogen fuel cell power system that uses fewer bolts and is easy to assemble.

[0004] The technical solution adopted by this utility model to solve its technical problem is a hydrogen fuel cell power system that is easy to assemble, including a first shell, a second shell, a mounting frame and a hydrogen fuel cell. Each component of the hydrogen fuel cell is set in the mounting frame. The inner walls of the first shell and the second shell are provided with limiting plates for limiting the mounting frame. The first shell and the second shell are complementary, and a splicing part is provided at the contact point between the first shell and the second shell.

[0005] As a preferred embodiment of the above solution, both the first shell and the second shell include a panel, a top plate, a bottom plate, and two side plates. The top plate of the first shell is complementary to the top plate of the second shell, the bottom plate of the first shell is complementary to the bottom plate of the second shell, and the two side plates of the first shell and the two side plates of the second shell are complementary.

[0006] As a preferred embodiment of the above solution, the panel is provided with heat dissipation holes.

[0007] As a preferred embodiment of the above solution, the splicing part is disposed at the splicing point of the side panel.

[0008] As a preferred embodiment of the above solution, the side panel is L-shaped, and the splicing part of the side panel includes two vertical splicing surfaces and one horizontal splicing surface. The two vertical splicing surfaces are connected by the horizontal splicing surface. The splicing part includes a guide groove and a guide edge, as well as a splicing groove and a splicing ear. The guide groove and the guide edge are respectively disposed on the horizontal splicing surfaces of the side panels of the first shell and the second shell, and the splicing groove and the splicing ear are respectively disposed on the vertical splicing surfaces of the side panels of the first shell and the second shell.

[0009] As a preferred embodiment of the above solution, the mounting frame includes a vertically arranged radiator mounting plate, a solenoid valve mounting plate is provided on the front of the lower end of the radiator mounting plate, a battery mounting cavity is provided on the side of the radiator mounting plate, a controller mounting plate is provided on the back of the lower end of the radiator mounting plate, and a boost DC mounting plate is provided on the back of the upper end of the radiator mounting plate. The solenoid valve mounting plate, the battery mounting cavity, and the controller mounting plate form a fuel cell stack mounting cavity on the back of the radiator mounting plate.

[0010] As a preferred embodiment of the above solution, the solenoid valve mounting plate is shaped like a "Z", and the intake solenoid valve and exhaust solenoid valve of the hydrogen fuel cell are arranged on the vertical surfaces on both sides of the solenoid valve mounting plate.

[0011] As a preferred embodiment of the above solution, both sides of the controller mounting plate and the boost DC mounting plate are provided with protruding edges, and the opposite sides of the protruding edges are provided with pull-out grooves, in which the controller circuit board and the boost DC circuit board of the hydrogen fuel cell are pulled out.

[0012] As a preferred embodiment of the above solution, a charging module mounting cavity is provided above the battery mounting cavity.

[0013] As a preferred embodiment of the above solution, the limiting plates are respectively disposed on the inner walls of the side plates of the first outer shell and the second outer shell, and the limiting plates abut against the corners of the mounting frame.

[0014] The advantages of this utility model are: the first shell and the second shell are spliced ​​together by a splicing part, and the inner walls of the first shell and the second shell are provided with limiting plates, so the hydrogen fuel cell does not need to use bolts during the assembly process, making the assembly convenient; an installation frame is provided, which can quickly and conveniently install various components of the hydrogen fuel cell. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a hydrogen fuel cell power system.

[0016] Figure 2 This is a schematic diagram of the internal structure of a hydrogen fuel cell power system.

[0017] Figure 3 This is a schematic diagram of the structure of the first outer shell.

[0018] Figure 4 This is a top view of the second outer shell.

[0019] Figure 5 This is a schematic diagram of the structure of a hydrogen fuel cell.

[0020] Figure 6 This is a structural diagram of the mounting frame.

[0021] 1-First outer casing 2-Second outer casing 3-Hydrogen fuel cell 4-Mounting frame 5-Limiting plate 11-Splicing groove 12-Guide groove 21-Splicing ear 23-Guide edge 31-Radiator 32-Exhaust solenoid valve 33-Intake solenoid valve 34-Lithium battery 35-Charging module 36-Boost DC circuit board 37-Fuel stack 41-Radiator mounting plate 42-Solenoid valve mounting plate 43-Battery mounting cavity 44-Charging module mounting cavity 45-Boost DC mounting plate 46-Controller mounting plate. Detailed Implementation

[0022] The technical solution of this utility model will be further described below through embodiments and in conjunction with the accompanying drawings.

[0023] Example:

[0024] This embodiment presents a hydrogen fuel cell power system that is easy to assemble, such as... Figures 1 to 2 As shown, it includes a first outer shell 1, a second outer shell 2, a mounting frame 4, and a hydrogen fuel cell 3, with each component of the hydrogen fuel cell 3 housed in the mounting frame 4.

[0025] like Figure 3 and Figure 4 As shown, the inner walls of the first outer shell 1 and the second outer shell 2 are provided with limiting plates 5 for limiting the mounting frame 4. The first outer shell 1 and the second outer shell 2 are complementary, and a splicing part is provided at the contact point between the first outer shell 1 and the second outer shell 2. Both the first outer shell 1 and the second outer shell 2 include a panel, a top plate, a bottom plate, and two side plates. The panel is provided with heat dissipation holes. The top plate of the first outer shell 1 is complementary to the top plate of the second outer shell 2, the bottom plate of the first outer shell 1 is complementary to the bottom plate of the second outer shell 2, and the two side plates of the first outer shell 1 and the two side plates of the second outer shell 2 are complementary. The splicing section is located at the splicing point of the side panels. The side panels are L-shaped, and the splicing point includes two vertical splicing surfaces and one horizontal splicing surface. The two vertical splicing surfaces are connected by the horizontal splicing surface. The splicing section includes matching guide grooves 12 and guide edges 22, as well as splicing grooves 11 and splicing ears 21. The guide grooves 12 and guide edges 22 are respectively located on the horizontal splicing surfaces of the side panels of the first outer shell 1 and the second outer shell 2. The splicing grooves 11 and splicing ears 21 are respectively located on the vertical splicing surfaces of the side panels of the first outer shell 1 and the second outer shell 2. When the first outer shell and the second outer shell are assembled, the guide grooves 12 and guide edges 22 ensure side alignment, and the splicing grooves 11 and splicing ears 12 provide fixation. The limiting plate 5 is located inside the side panels of the first outer shell 1 and the second outer shell 2. After the first outer shell 1 and the second outer shell 2 are spliced ​​and fixed, the limiting plates 5 of the first outer shell 1 and the second outer shell 2 abut against the corners of the mounting frames, limiting the mounting frames and preventing them from moving within the shell composed of the first outer shell and the second outer shell.

[0026] like Figure 5 and Figure 6As shown, the hydrogen fuel cell includes a radiator 31, an exhaust solenoid valve 32, an intake solenoid valve 33, a lithium battery 34, a charging module 35, a boost DC circuit board 36, a fuel cell stack 37, and a controller circuit board. The mounting frame 4 includes a vertically arranged radiator mounting plate 41. A solenoid valve mounting plate 42 is provided on the lower front of the radiator mounting plate 41. A battery mounting cavity 43 is provided on the side of the radiator mounting plate 41. A charging module mounting cavity 44 is provided above the battery mounting cavity 43. A controller mounting plate 46 is provided on the lower back of the radiator mounting plate 41. A boost DC mounting plate 45 is provided on the upper back of the radiator mounting plate 41. The solenoid valve mounting plate 42, the battery mounting cavity 43, and the controller mounting plate 46 form a fuel cell stack mounting cavity on the back of the radiator mounting plate 41. The solenoid valve mounting plate 42 is shaped like a "Z". The intake solenoid valve 33 and exhaust solenoid valve 32 of the hydrogen fuel cell are set on the vertical surfaces on both sides of the solenoid valve mounting plate 42. The lower end of the controller mounting plate 41 and the upper end of the boost DC mounting plate 45 are provided with protruding edges. The sides opposite the protruding edges are provided with pull-out grooves. The controller circuit board and boost DC circuit board 36 of the hydrogen fuel cell are pulled out into the pull-out grooves. The radiator 31 is fixedly mounted on the front of the radiator mounting plate 41 by bolts. The lithium battery 34 is embedded in the battery mounting cavity 43. The charging module 36 is fixedly mounted in the charging module mounting cavity 44 by bolts. The fuel cell stack 37 is embedded in the fuel cell stack mounting cavity and fixed by bolts.

[0027] In this embodiment, the hydrogen fuel cell power system is assembled by first installing the various components of the hydrogen fuel cell onto the mounting frame. Then, the mounting frame containing the hydrogen fuel cell is placed on the limiting plate of the first or second outer shell. Ideally, the other outer shell is then spliced ​​with it. The overall assembly is achieved primarily through pull-out, limiting, and snap-fit ​​methods, supplemented by a small number of bolts. Compared to existing solutions that rely entirely on bolt fixation, fewer bolts are required, making assembly more convenient.

[0028] The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of the invention or exceeding the scope defined by the appended claims.

Claims

1. A hydrogen fuel cell power system that is easy to assemble, characterized by: The application relates to a hydrogen fuel cell comprising a first shell, a second shell, a mounting frame and a hydrogen fuel cell, wherein each component of the hydrogen fuel cell is arranged in the mounting frame, the inner walls of the first shell and the second shell are provided with limiting plates for limiting the mounting frame, the first shell and the second shell are complementary, and a splicing part is arranged at the contact position of the first shell and the second shell.

2. The easily assembled hydrogen fuel cell power system of claim 1, wherein: The first shell and the second shell each comprise a panel, a top plate, a bottom plate and two side plates, the top plate of the first shell is complementary to the top plate of the second shell, the bottom plate of the first shell is complementary to the bottom plate of the second shell, and the two side plates of the first shell are complementary to the two side plates of the second shell.

3. The easily assembled hydrogen fuel cell power system of claim 2, wherein: The panel is provided with heat dissipation holes.

4. The easily assembled hydrogen fuel cell power system of claim 2, wherein: The splicing part is arranged at the splicing position of the side plate.

5. The easily assembled hydrogen fuel cell power system of claim 4, wherein: The side plate is in an L shape, the splicing position of the side plate comprises two vertical splicing surfaces and a horizontal splicing surface, the two vertical splicing surfaces are connected through the horizontal splicing surface, the splicing part comprises a guide groove and a guide edge and a splicing groove and a splicing lug, the guide groove and the guide edge are arranged on the horizontal splicing surface of the side plate of the first shell and the second shell respectively, and the splicing groove and the splicing lug are arranged on the vertical splicing surface of the side plate of the first shell and the second shell respectively.

6. The easily assembled hydrogen fuel cell power system of claim 1, wherein: The mounting frame comprises a vertically arranged radiator mounting plate, the front lower end of the radiator mounting plate is provided with an electromagnetic valve mounting plate, the side of the radiator mounting plate is provided with a battery mounting cavity, the back lower end of the radiator mounting plate is provided with a controller mounting plate, the back upper end of the radiator mounting plate is provided with a boost DC mounting plate, and the electromagnetic valve mounting plate, the battery mounting cavity and the controller mounting plate form a stack mounting cavity on the back of the radiator mounting plate.

7. The easily assembled hydrogen fuel cell power system of claim 6, wherein: The electromagnetic valve mounting plate is in a U shape, and the inlet electromagnetic valve and the exhaust electromagnetic valve of the hydrogen fuel cell are arranged on the vertical surfaces on the two sides of the electromagnetic valve mounting plate.

8. The easily assembled hydrogen fuel cell power system of claim 6, wherein: The controller mounting plate and the boost DC mounting plate are each provided with a convex edge on the two sides, the opposite sides of the convex edges are each provided with a pulling groove, and the controller circuit board and the boost DC circuit board of the hydrogen fuel cell are pulled in the pulling grooves.

9. The easily assembled hydrogen fuel cell power system of claim 6, wherein: A charging module mounting cavity is arranged above the battery mounting cavity.

10. The easily assembled hydrogen fuel cell power system of claim 2, wherein: The limiting plates are arranged on the inner walls of the side plates of the first shell and the second shell respectively, and the limiting plates abut against the corners of the mounting frame.