CN219476732U - Air suction structure of fuel cell box - Google Patents
Air suction structure of fuel cell box Download PDFInfo
- Publication number
- CN219476732U CN219476732U CN202320367179.9U CN202320367179U CN219476732U CN 219476732 U CN219476732 U CN 219476732U CN 202320367179 U CN202320367179 U CN 202320367179U CN 219476732 U CN219476732 U CN 219476732U
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- China
- Prior art keywords
- fuel cell
- air suction
- frame
- cell box
- filter core
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model discloses an air suction structure of a fuel cell box, which comprises an air suction opening arranged on the side surface of the fuel cell box, wherein an air inlet cavity which is downwards opened is arranged on the air suction opening positioned on the outer side of the fuel cell box, and a filter screen is arranged on the air inlet cavity; a filter core frame is arranged on an air suction opening positioned at the inner side of the fuel cell box, the filter core frame is arranged on the air suction opening, a filter core is arranged in the filter core frame, the filter core is locked in the filter core frame through a fixing frame, and a fan is arranged on the fixing frame. The utility model is matched with the air suction opening arranged on the fuel cell box, has ventilation function and can adapt to the working environment of natural rainfall and dust flying. And heat on the surfaces of the internal electronic and electric components is taken away, so that the purpose of prolonging the service life of the internal components is achieved.
Description
Technical Field
The utility model relates to the technical field of ventilation design of fuel cell boxes, in particular to an air suction structure of a fuel cell box.
Background
The hydrogen fuel cell is not limited by the Carnot cycle efficiency, the power generation efficiency can reach 40-50%, and the product is only water, so that the hydrogen fuel cell is extremely clean and efficient, and is an ideal engine system. Aiming at the application fields of rail transit, fixed power generation and the like, under the natural working condition, the working conditions of natural rainfall, dust flying and the like exist. The design of a waterproof and dustproof box body for a fuel cell system is a mainstream design in the industry in order to prolong the service life of internal components as much as possible and reduce the replacement frequency of a filter device.
The hydrogen fuel cell system has high integration, and the internal components have extremely large heat generation. A cooling system is usually introduced into the system, and the fuel cell stack and various electronic and electric components in the system are subjected to heat exchange under the action of cooling water. Meanwhile, part of electronic and electric components are designed without liquid cooling, and at the moment, externally introduced air cooling and heat dissipation also have important heat dissipation effects.
The fuel used in the hydrogen fuel cell system is hydrogen, which is a known gas of minimum density in the world and is easily escaped from the fuel cell system components to the inside of the case to accumulate. Because of the dissipation of hydrogen and the heat dissipated by internal electronic components during operation, in the design of high-power fuel cell power generation systems, the ventilation and heat dissipation inside the fuel cell system housing plays a significant role. Considering practical application fields (such as application scenes of rail transit, fixed power generation and the like), the fuel cell box body is more required to have the functions of ventilation, heat dissipation, water resistance and dust resistance. In view of this, development of a rainproof and dustproof air suction structure is needed to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the air suction structure of the fuel cell box, which has the ventilation function and can adapt to natural rainfall and dust flying working environment.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
the air suction structure of the fuel cell box comprises an air suction port arranged on the side surface of the fuel cell box, wherein an air inlet cavity which is downwards opened is arranged on the air suction port positioned on the outer side of the fuel cell box, and a filter screen is arranged on the air inlet cavity; a filter core frame is arranged on an air suction opening positioned at the inner side of the fuel cell box, the filter core frame is arranged on the air suction opening, a filter core is arranged in the filter core frame, the filter core is locked in the filter core frame through a fixing frame, and a fan is arranged on the fixing frame.
Further, the lower extreme of filter core frame all is provided with L shape supporting plate all around, and the supporting plate welds on the inner wall of fuel cell box.
Further, the supporting piece is provided with a protruding part, and the protruding part is welded with the inner wall of the fuel cell box.
Further, the size of the filter core frame is smaller than that of the fixed frame, and the fixed frame is sleeved on the filter core frame.
Further, the filter core frame is provided with first through-holes all around respectively, and fixed frame is provided with long waist hole all around respectively, and first through-hole corresponds with long waist hole site, and one side that is close to the inside of filter core frame on the first through-hole is provided with lock nut, and the fixed frame outside is provided with the set screw that passes first through-hole and long waist hole and lock nut locking.
Further, the inner side of the fixed frame is provided with a limiting ring, the limiting ring extends to the inner side of the fixed frame, and the size of the inner ring of the limiting ring is smaller than that of the filter element.
Further, the air inlet cavity is of a box structure, the lower end of the air inlet cavity is open, the filter screen is fixed on the opening, and the lower end opening of the air inlet cavity is located below the air suction port.
The beneficial effects of the utility model are as follows: the utility model is matched with the air suction opening arranged on the fuel cell box, has ventilation function and can adapt to the working environment of natural rainfall and dust flying. The air inlet of the air inlet cavity and the air suction inlet on the fuel cell box have a certain height difference, so that the effect of ventilation and natural precipitation prevention is formed. The filter element frame is fixed on the fuel cell box, and the filter element frame can be fixed on the fuel cell box in a welding mode to form a mounting space with a fixed size, the filter element is placed in the mounting space, and the fixing frame is mounted on the upper surface of the filter element frame to form tight fixation.
External cooling air enters the inside of the box body under the operation effect of the fan, foreign matters such as stones and impurities with larger sizes are intercepted outside the filter screen, and tiny impurities such as flying dust are filtered and adsorbed by the filter element, so that the clean cooling air finally enters the inside of the box body, effectively maintains the operation environment of the internal components of the box body, and simultaneously takes away the heat on the surfaces of the internal electronic and electric components, thereby achieving the purpose of prolonging the service life of the internal components.
Drawings
Fig. 1 is an exploded view of an air suction structure of a fuel cell case.
Fig. 2 is an enlarged view of position a in fig. 7.
Fig. 3 is a structural view of the fixing frame.
Fig. 4 is a block diagram of a filter element frame.
Fig. 5 is a structural diagram of the air intake chamber.
Fig. 6 is a structural view of a screen.
Fig. 7 is a cross-sectional view of the suction structure of the fuel cell case.
Wherein, 1, a fuel cell box, 2, an air inlet cavity, 3, a filter screen, 4, an air suction inlet, 5, a filter element frame, 6, a filter element, 7, a fixed frame, 8 and a fan, 9, supporting sheets, 10, protruding parts, 11, first through holes, 12, locking nuts, 13, long waist holes, 14, limiting rings, 15 and fixing screws.
Detailed Description
The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.
As shown in fig. 1-7, the air suction structure of the fuel cell box in the scheme comprises an air suction inlet 4 arranged on the side surface of the fuel cell box 1, an air inlet cavity 2 which is downwards opened is arranged on the air suction inlet 4 positioned on the outer side of the fuel cell box 1, and a filter screen 3 is arranged on the air inlet cavity 2; be provided with filter core frame 5 on being located the inboard inlet scoop 4 of fuel cell box 1, filter core frame 5 installs on inlet scoop 4, and is provided with filter core 6 in the filter core frame 5, and filter core 6 passes through fixed frame 7 locking in filter core frame 5, installs fan 8 on the fixed frame 7.
In the embodiment, the periphery of the lower end of the filter core frame 5 is provided with L-shaped supporting pieces 9, and the supporting pieces 9 are welded on the inner wall of the fuel cell box 1; the support piece 9 is provided with a projection 10, and the projection 10 is welded to the inner wall of the fuel cell case 1. The size of the filter core frame 5 is smaller than that of the fixed frame 7, and the fixed frame 7 is sleeved on the filter core frame 5.
In this embodiment, the periphery of the filter core frame 5 is provided with the first through hole 11 respectively, the periphery of the fixed frame 7 is provided with the long waist hole 13 respectively, the first through hole 11 is concentric with the long waist hole 13, one side of the first through hole 11, which is close to the inside of the filter core frame 5, is provided with the lock nut 12, the outer side of the fixed frame 7 is provided with the fixing screw 15 which passes through the first through hole 11 and the long waist hole 13 and is locked with the lock nut 12, and the design of the long waist hole 13 enables the fixed frame 7 to have a certain adjustable range during installation, so that the filter core with different thicknesses can be adapted.
In this embodiment, the inner side of the fixed frame 7 is provided with a limiting ring 14, the limiting ring 14 extends to the inner side of the fixed frame 7, the inner ring size of the limiting ring 14 is smaller than the size of the filter element 6, the filter element 6 is locked in the filter element frame 5 through the limiting ring 14, and a larger ventilation channel is provided.
In this embodiment, the air inlet chamber 2 is a box structure and can be welded on the fuel cell box 1, the lower end of the air inlet chamber 2 is open, the filter screen 3 is fixed on the opening, the filter screen 3 is welded on the air inlet chamber 2, and the lower end opening of the air inlet chamber 2 is positioned below the air inlet 4.
The utility model cooperates with the air suction inlet 4 arranged on the fuel cell box 1, and the air inlet of the air inlet cavity 2 and the air suction inlet 4 on the fuel cell box 1 have a certain height difference, thereby forming the function of ventilation and natural precipitation prevention. The filter element frame 5 is fixed on the fuel cell box 1, and the filter element frame 5 can be fixed on the fuel cell box 1 in a welding mode to form a mounting space with a fixed size, the filter element 6 is placed in the mounting space, and the fixing frame 7 is mounted on the upper surface of the filter element frame 5 to form tight fixation. The utility model has ventilation function and can adapt to the working environment of natural rainfall and dust flying.
External cooling air enters the inside of the box body under the operation effect of the fan 8, and foreign matters such as stones and impurities with larger sizes are intercepted outside the filter screen 3, and tiny impurities such as flying dust are filtered and adsorbed by the filter element 6, so that the clean cooling air finally enters the inside of the box body, effectively maintains the operation environment of the internal components of the box body, and simultaneously takes away the heat on the surfaces of the internal electronic and electric components, thereby achieving the purpose of prolonging the service life of the internal components.
Claims (7)
1. The air suction structure of the fuel cell box is characterized by comprising an air suction port arranged on the side surface of the fuel cell box, wherein an air inlet cavity which is downwards opened is arranged on the air suction port positioned on the outer side of the fuel cell box, and a filter screen is arranged on the air inlet cavity; be located be provided with the filter core frame on the inboard inlet scoop of fuel cell box, the filter core frame is installed on the inlet scoop, and is provided with the filter core in the filter core frame, the filter core passes through the fixed frame locking in the filter core frame, install the fan on the fixed frame.
2. The air suction structure of the fuel cell box according to claim 1, wherein the lower end of the filter element frame is provided with L-shaped supporting pieces all around, and the supporting pieces are welded on the inner wall of the fuel cell box.
3. The air suction structure of the fuel cell case according to claim 2, wherein the supporting sheet is provided with a protrusion welded to an inner wall of the fuel cell case.
4. The air suction structure of the fuel cell box according to claim 2, wherein the size of the filter element frame is smaller than the size of the fixing frame, and the fixing frame is sleeved on the filter element frame.
5. The air suction structure of the fuel cell box according to claim 4, wherein first through holes are respectively formed in the periphery of the filter element frame, long waist holes are respectively formed in the periphery of the fixing frame, the first through holes correspond to the long waist holes, locking nuts are arranged on one side, close to the inside of the filter element frame, of the first through holes, and fixing screws which penetrate through the first through holes and the long waist holes and are locked with the locking nuts are arranged on the outer side of the fixing frame.
6. The air suction structure of the fuel cell box according to claim 1, wherein a limit ring is arranged on the inner side of the fixing frame, the limit ring extends to the inner side of the fixing frame, and the size of an inner ring of the limit ring is smaller than that of the filter element.
7. The air suction structure of the fuel cell box according to claim 1, wherein the air inlet cavity is of a box structure, the lower end of the air inlet cavity is open, the filter screen is fixed on the opening, and the lower end opening of the air inlet cavity is located below the air suction port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320367179.9U CN219476732U (en) | 2023-03-02 | 2023-03-02 | Air suction structure of fuel cell box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320367179.9U CN219476732U (en) | 2023-03-02 | 2023-03-02 | Air suction structure of fuel cell box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219476732U true CN219476732U (en) | 2023-08-04 |
Family
ID=87467938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320367179.9U Active CN219476732U (en) | 2023-03-02 | 2023-03-02 | Air suction structure of fuel cell box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219476732U (en) |
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2023
- 2023-03-02 CN CN202320367179.9U patent/CN219476732U/en active Active
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