CN222296386U - Air filter of hydrogen fuel cell system - Google Patents
Air filter of hydrogen fuel cell system Download PDFInfo
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- CN222296386U CN222296386U CN202421308640.4U CN202421308640U CN222296386U CN 222296386 U CN222296386 U CN 222296386U CN 202421308640 U CN202421308640 U CN 202421308640U CN 222296386 U CN222296386 U CN 222296386U
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- filter
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- air outlet
- cover
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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
本实用新型公开了一种氢燃料电池系统空气滤清器，涉及空气滤清器技术领域，包括滤清器壳体和设置在所述滤清器壳体内的滤芯，所述滤清器壳体上设置有滤清器进气管和滤清器出气管，所述滤芯设置有与所述滤清器出气管相连通的滤清器出气腔，所述滤清器进气管上连接有预滤器，所述滤芯上套设有筒状的预滤罩，所述预滤罩与所述滤清器壳体共同围成与所述滤清器进气管相连通的滤清器进气腔；所述预滤器用于对空气进行一级预过滤；所述预滤罩用于对经一级预过滤的空气进行二级预过滤，所述滤芯用于对经二级预过滤的空气进行精过滤。本实用新型提供的氢燃料电池系统空气滤清器使用寿命长，降低了用户的使用和维护成本。
The utility model discloses an air filter for a hydrogen fuel cell system, and relates to the technical field of air filters, including a filter housing and a filter element arranged in the filter housing, wherein the filter housing is provided with a filter inlet pipe and a filter outlet pipe, the filter element is provided with a filter outlet cavity connected to the filter outlet pipe, the filter inlet pipe is connected with a pre-filter, a cylindrical pre-filter cover is sleeved on the filter element, and the pre-filter cover and the filter housing together form a filter inlet cavity connected to the filter inlet pipe; the pre-filter is used for primary pre-filtering of air; the pre-filter cover is used for secondary pre-filtering of air pre-filtered by the primary pre-filter, and the filter element is used for fine filtering of air pre-filtered by the secondary pre-filter. The air filter for a hydrogen fuel cell system provided by the utility model has a long service life, and reduces the use and maintenance costs of users.
Description
Technical Field
The utility model relates to the technical field of air filters, in particular to an air filter of a hydrogen fuel cell system.
Background
Currently, fuel cell systems used in most engineering machinery vehicles are equipped with air filters, which are used for providing clean air for the engineering machinery vehicles, SO that the air filters are used for not only removing impurities in the air to prevent the fuel cell engines of the engineering machinery vehicles from sucking the air with the impurities during operation to increase the probability of abrasion and damage, but also effectively removing harmful chemical gas impurities (SO 2, NOx, NH3, VOCs and the like) in the air to avoid the degradation of the stack performance and the early life suspension caused by the poisoning of catalysts in the fuel cell engines.
But the filter core of air cleaner belongs to vulnerable part, and life is short, and the filter core of air cleaner that current market generally used needs periodic cleaning or change, if clearance or change are untimely, will seriously influence fuel cell engine's life, causes very big loss to the user, this greatly increased user's use and maintenance cost.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides the air filter of the hydrogen fuel cell system, which has long service life and reduces the use and maintenance cost of users.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the air filter of the hydrogen fuel cell system comprises a filter shell and a filter element arranged in the filter shell, wherein a filter air inlet pipe and a filter air outlet pipe are arranged on the filter shell, a filter air outlet cavity communicated with the filter air outlet pipe is arranged on the filter element, a prefilter is connected to the filter air inlet pipe, a cylindrical prefilter cover is sleeved on the filter element, the prefilter cover and the filter shell jointly enclose a filter air inlet cavity communicated with the filter air inlet pipe, the prefilter is used for carrying out primary prefiltering on air, the prefilter cover is used for carrying out secondary prefiltering on air which is subjected to primary prefiltering, and the filter element is used for carrying out fine filtration on air which is subjected to secondary prefiltering.
The filter element comprises a main filter element and a safety filter element coaxially sleeved in the main filter element, the prefilter cover is coaxially sleeved outside the main filter element, and the inner cavity of the safety filter element is the filter air outlet cavity.
Wherein, the prefilter cover comprises primary filter cotton, middle-effect filter cotton and high-efficiency filter cotton which are sequentially overlapped from outside to inside.
The prefilter comprises a prefilter shell, a flow guide assembly and an impeller assembly, wherein the flow guide assembly is fixedly arranged in the prefilter shell, the impeller assembly is arranged on the flow guide assembly, a prefilter air inlet, a prefilter air outlet and a prefilter drain outlet are arranged on the prefilter shell, the prefilter air outlet is communicated with a filter air inlet pipe, the flow guide assembly is used for guiding air entering through the prefilter air inlet, and the impeller assembly is used for discharging centrifugally separated impurities into the prefilter drain outlet.
The prefilter shell comprises a prefilter barrel body with two open ends, a rain cap arranged at one end of the prefilter barrel body and an air outlet and pollution discharge cover arranged at the other end of the prefilter barrel body, a screen structure is arranged on the end part, close to the rain cap cover, of the prefilter barrel body, all meshes of the screen structure jointly form an air inlet of the prefilter, and an air outlet of the prefilter and a pollution discharge outlet of the prefilter are both arranged on the air outlet and pollution discharge cover.
The air outlet and drainage device comprises an air outlet and drainage cover, wherein one end of the air outlet and drainage cover is provided with a containing cavity communicated with an inner cavity of the prefilter cylinder, the other end of the air outlet and drainage cover is provided with a prefilter air outlet pipe, an air outlet of the prefilter is arranged on the bottom wall of the containing cavity and is communicated with the containing cavity and the prefilter air outlet pipe, a plurality of guide plates are arranged on the bottom wall of the containing cavity, all the guide plates are arranged in a circular array by taking the axis of the air outlet and drainage cover as a central axis, all the guide plates and the side walls of the containing cavity enclose a guide channel respectively, an air outlet of the prefilter is positioned among all the guide plates, the prefilter drain is provided with a plurality of prefilter drain outlets, and each prefilter drain outlet is correspondingly arranged on the bottom wall of the containing cavity and is positioned in the corresponding guide channel.
The guide assembly is located between the screen structure and the air outlet pollution discharge cover, and comprises a guide frame and a plurality of guide vanes, wherein all the guide vanes are arranged on the periphery of the guide frame in a circular array by taking a central shaft of the guide frame as an axis, and all the guide vanes are fixedly connected to the inner wall of the prefilter cylinder body.
The impeller assembly comprises a rotary driving piece and impellers arranged on the rotary driving piece, the rotary driving piece is arranged on the guide frame, the impellers are positioned in the accommodating cavity of the air outlet pollution discharge cover, and the impellers are positioned among all the guide plates.
The impeller comprises an impeller frame and a plurality of rotating blades, one end of the impeller frame is connected to the power output part of the rotary driving part, the other end of the impeller frame is positioned in the air outlet of the prefilter, the impeller frame and the side wall of the air outlet of the prefilter are arranged in a clearance way, and all the rotating blades are arranged on the periphery of the impeller frame in a circular array by taking the rotation axis of the impeller frame as a central axis.
The filter comprises a filter shell, and is characterized in that a filter dust discharging port communicated with a filter air inlet cavity is arranged on the filter shell, the filter dust discharging port and a filter air outlet pipe are respectively positioned at two opposite ends of the filter shell, a dust discharging valve is arranged in the filter dust discharging port, and a pressure sensor for detecting air pressure is arranged on the filter air outlet pipe.
By adopting the technical scheme, the utility model has the beneficial effects that:
According to the air filter of the hydrogen fuel cell system, the prefilter is additionally arranged on the periphery of the filter element, and the air inlet pipe of the filter is additionally provided with the prefilter, so that the prefilter and the prefilter cover are utilized to perform double prefilter on air entering the filter element, the filtering burden of the filter element is reduced to the greatest extent, the service life of the filter element is prolonged, and the use and maintenance cost of a user is reduced.
Drawings
FIG. 1 is a schematic view of the structure of an air cleaner for a hydrogen fuel cell system according to the present utility model;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the air outlet drain cover of FIG. 1;
The filter comprises a filter shell, a filter cylinder, a 111, a mounting bracket, a 12, a filter air outlet cover, a 13, a filter dust exhaust cover, a 2, a filter core, a 21, a filter air outlet cavity, a 22, a main filter core, a 23, a safety filter core, a 24, a filter air inlet cavity, a 3, a filter air inlet pipe, a 4, a filter air outlet pipe, a 5, a prefilter, a 51, a prefilter cylinder, a 510, a screen structure, a 52, a rain cap cover, a 53, an air outlet drain cover, a 531, a prefilter air outlet, a 532, a prefilter drain outlet, 533, a prefilter air outlet pipe, 534, a guide plate, 535, a guide channel, 54, a guide frame, 55, a guide vane, 56, a rotary driving piece, 57, an impeller frame, 58, a rotary vane, 59, a dust exhaust valve, 6, a prefilter, a 7, a pressure sensor, 8 and a clamp.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for the purpose of illustration only and are not intended to limit the present utility model.
As shown in fig. 1 to 3, the embodiment provides an air filter for a hydrogen fuel cell system, which comprises a filter housing 1 and a filter element 2 arranged in the filter housing 1, wherein a filter air inlet pipe 3 and a filter air outlet pipe 4 are arranged on the filter housing 1, a filter air outlet cavity 21 communicated with the filter air outlet pipe 4 is arranged on the filter element 2, a prefilter 5 is connected to the filter air inlet pipe 3, a cylindrical prefilter cover 6 is sleeved on the filter element 2, the prefilter cover 6 and the filter housing 1 jointly enclose a filter air inlet cavity 24 communicated with the filter air inlet pipe 3, the prefilter 5 is used for carrying out primary prefilter on air, the prefilter cover 6 is used for carrying out secondary prefilter on the air which is subjected to the primary prefilter, the filter element 2 is used for carrying out fine filter on the air which is subjected to the secondary prefilter, and the air after the fine filter is fed into a fuel cell engine through the filter air outlet cavity 21 and the filter air outlet pipe 4 for use of the fuel cell engine.
In the air filter of the hydrogen fuel cell system in the embodiment, the prefilter 5 is additionally arranged on the air inlet pipe 3 of the filter by adding the prefilter 6 on the periphery of the filter element 2, and the air entering the filter element 2 is subjected to double prefilter by utilizing the prefilter 5 and the prefilter cover 6, so that the filtering burden of the filter element 2 is reduced to the greatest extent, the service life of the filter element 2 is prolonged, and the use and maintenance cost of a user is reduced.
The filter element 2 in the embodiment comprises a main filter element 22 and a safety filter element 23 coaxially sleeved in the main filter element 22, the prefilter cover 6 is coaxially sleeved outside the main filter element 22, and the inner cavity of the safety filter element 23 is a filter air outlet cavity 21. Through setting up filter core 2 into the structural style that main filter core 22 and safe filter core 23 cover were established, not only can protect the fuel cell engine when shutting down by impurity damage that gets into suddenly through safe filter core 23, the main filter core 22 of being convenient for is singly changed moreover, has saved user's use and maintenance cost to the maximize.
In order to make the filter element 2 have a larger filtering area, the main filter element 22 in this embodiment adopts a structure form of an integrated design of physical filtration and chemical filtration. The environment with high dust concentration often requires that the main filter element 22 has higher physical filtering performance, when the air filter is blocked, the physical filtering pressure sensor 7 often prompts a user to replace the filter element 2, but at the moment, the chemical filtering performance of the main filter element 22 still exists, so that the service life of the physical filtering and the chemical filtering is balanced, the service life of the whole filter element 2 is prolonged, the prefilter cover 6 is adopted in the embodiment, the prefilter cover 6 is coaxially sleeved outside the main filter element 22, the prefilter protection effect on the main filter element 22 is achieved, the physical filtering performance of the main filter element 22 is greatly prolonged, the service life of the filter element 2 is prolonged, and the use and maintenance cost of the user is further saved.
The prefilter cover 6 in this embodiment adopts a multilayer overlapped process technology, including primary filter cotton, middle-efficiency filter cotton and high-efficiency filter cotton which are overlapped in sequence from outside to inside, and through the multi-layer filter cotton laying, the combination of different fiber formulas is accurately doped to achieve gradual change of an efficiency layer. With the protection of the prefilter cover 6, more than 70% of large-particle dust is intercepted and accumulated in the prefilter cover 6, so that the main filter element 22 is not easy to be blocked in a short time, and the service life of the main filter element 22 is prolonged. The pre-filter cover 6 has small resistance, laboratory test resistance less than 0.1kPa, high dust holding capacity, 2.5 times of the dust holding capacity after the pre-filter cover 6 is added, and the service life of the main filter element 22 is also doubled in actual use. Because the cost of the main filter element 22 is higher, the frequent replacement can bring high cost pressure, and after the pre-filter cover 6 is added, the pre-filter cover 6 can be maintained only according to the prompt of the pressure sensor 7 in the early stage, so that the purpose of prolonging the service life of the main filter element 22 can be achieved, and the chemical alarm device of the system prompts a user to replace the whole filter element 2. The pre-filter cover 6 also has the function of resisting water drops, and a small amount of water drops or water vapor can be coalesced into large drops by blocking of the pre-filter cover 6 after entering the filter air inlet cavity 24, and drop on the lower part of the filter shell 1 and finally be discharged together with dust impurities through the dust discharge valve 59.
Specifically, the filter shell 1 comprises a filter cylinder 11 with two open ends, a filter air outlet cover 12 arranged at one end of the filter cylinder 11 and a filter dust exhaust cover 13 arranged at the other end of the filter cylinder 11, a filter air inlet pipe 3 is arranged on the filter cylinder 11, the axis of the filter air inlet pipe 3 is mutually perpendicular to that of the filter cylinder 11, a filter air outlet pipe 4 is arranged on the filter air outlet cover 12, the filter air outlet pipe 4 and the filter cylinder 11 are coaxially arranged, a main filter element 22 is coaxially sleeved in the filter cylinder 11, two ends of the main filter element 22 are respectively in sealing connection with the filter air outlet cover 12 and the filter dust exhaust cover 13, a safety filter element 23 is coaxially sleeved in the main filter element 22, the inner cavity of the safety filter element 23 corresponds to the filter air outlet pipe 4, two ends of the safety filter element 23 are respectively in sealing connection with the main filter element 22 and the filter air outlet cover 12, a prefilter 6 is sleeved on the main filter element 22, and an integrally arranged mounting bracket 111 which is convenient to install is arranged on the filter cylinder 11.
Because rotary centrifugal prefilter dust removal efficiency is stable and can reach more than 90%, and simple structure, the maintenance is convenient, therefore, prefilter 5 in this embodiment adopts rotary centrifugal prefilter, prefilter 5 includes the prefilter casing, the fixed water conservancy diversion subassembly that sets up in the prefilter casing and the impeller subassembly of setting on the water conservancy diversion subassembly, be provided with prefilter air inlet on the prefilter casing, prefilter gas outlet 531 and prefilter drain 532, prefilter gas outlet 531 is linked together with filter intake pipe 3, the water conservancy diversion subassembly is used for carrying out the water conservancy diversion to the air that gets into by the prefilter air inlet, the impeller subassembly is used for discharging centrifugal separation's impurity into prefilter drain 532.
The prefilter housing in this embodiment includes a prefilter cylinder 51 with two open ends, a rain cap cover 52 disposed at one end of the prefilter cylinder 51, and an air-out and sewage-draining cover 53 disposed at the other end of the prefilter cylinder 51, wherein a screen structure 510 is disposed at the end of the prefilter cylinder 51 near the rain cap 52, all the meshes of the screen structure 510 together form a prefilter air inlet, and a prefilter air outlet 531 and a prefilter sewage-draining outlet 532 are both disposed on the air-out and sewage-draining cover 53. The screen structure 510 is provided to remove relatively large impurities from the air before the air enters the prefilter 5 to reduce wear of the prefilter 5, and the rain cap 52 is provided to prevent most of the rain water from entering the prefilter 5, and occasionally water droplets are removed from the prefilter drain 532 by centrifugal separation.
In this embodiment, one end of the air-out and sewage-draining cover 53 is provided with a containing cavity communicated with the inner cavity of the prefilter cylinder 51, the other end of the air-out and sewage-draining cover 53 is provided with a prefilter air outlet pipe 533, the prefilter air outlet pipe 533 is connected with the filter air inlet pipe 3 through a clamp 8, the prefilter air outlet 531 is arranged on the bottom wall of the containing cavity and is communicated with the containing cavity and the prefilter air outlet pipe 533, the bottom wall of the containing cavity is provided with a plurality of guide plates 534, all the guide plates 534 are arranged in a circular array with the axis of the air-out and sewage-draining cover 53 as a central axis, all the guide plates 534 respectively enclose a guide channel 535 with the side wall of the containing cavity, the prefilter air outlet 531 is located among all the guide plates 534, the prefilter sewage-draining outlets 532 are provided with a plurality of, and each prefilter sewage-draining outlet 532 is correspondingly arranged on the bottom wall of the containing cavity and is located in the corresponding guide channel 535. By providing the deflector 534 and the deflector channel 535 to deflect impurities, impurities are conveniently discharged into the prefilter drain 532.
The flow guiding assembly in this embodiment is located between the screen structure 510 and the air-out and sewage-draining cover 53, and the flow guiding assembly includes a flow guiding frame 54 and a plurality of flow guiding blades 55, all the flow guiding blades 55 are arranged on the circumference of the flow guiding frame 54 in a circular array with the central axis of the flow guiding frame 54 as the axis, and all the flow guiding blades 55 are fixedly connected to the inner wall of the prefilter cylinder 51. By providing the flow guide assembly, the air entering the prefilter 5 generates a rotational vortex among the prefilter cylinder 51, the flow guide blades 55, and the flow guide frame 54, thereby separating dust, dirt, insects, rainwater, snow, or the like from the air by using the centrifugal force generated by the vortex air.
The impeller assembly in this embodiment includes a rotary driving member 56 and impellers disposed on the rotary driving member 56, the rotary driving member 56 is disposed on the air guiding frame 54, the impellers are located in the accommodating cavity of the air outlet drain cover 53 and the impellers are located between all the air guiding plates 534. The rotary driving member 56 drives the impeller to rotate, and simultaneously, the vortex air is matched to play a role of a blower, so that centrifugal separation of air and impurities is realized, the impurities can be discharged from the prefilter drain 532, and the air with the impurities removed enters the air filter.
The impeller in this embodiment includes an impeller frame 57 and a plurality of rotary blades 58, one end of the impeller frame 57 is connected to the power output portion of the rotary driving member 56, the other end of the impeller frame 57 is located in the prefilter air outlet 531, and the impeller frame 57 is disposed in a clearance with the side wall of the prefilter air outlet 531, all the rotary blades 58 being disposed on the peripheral side of the impeller frame 57 in a circular array with the rotation axis of the impeller frame 57 as the central axis. By disposing the impeller frame 57 in the prefilter air outlet 531 and disposing the impeller frame 57 in a gap with the sidewall of the prefilter air outlet 531, the flow rate of air is increased.
In order to further increase the air flow rate, the present embodiment provides the prefilter air outlet 531 with a tapered shape, and simultaneously, the support plate on the impeller frame 57 is also designed to have a trapezoid structure with a wide upper part and a narrow lower part, which is adapted to the prefilter air outlet 531.
The rotary driving member 56 in this embodiment is preferably a motor because the motor is very convenient to use and control, has the ability to self-start, accelerate, brake, reverse, catch, etc., and can meet various operating requirements.
In order to facilitate cleaning of dust and impurities in the filter air inlet cavity 24, in this embodiment, a filter dust discharge port communicated with the filter air inlet cavity 24 is provided on the filter dust discharge cover 13 of the filter housing 1, the filter dust discharge port and the filter air outlet pipe 4 are respectively positioned at opposite ends of the filter housing 1, the filter air outlet pipe 4 is provided on the filter air outlet cover 12, and meanwhile, a dust discharge valve 59 is provided in the filter dust discharge port, and a pressure sensor 7 for detecting air pressure is provided on the filter air outlet pipe 4.
When the fuel cell engine is in operation, air is subjected to primary prefiltering by the prefilter 5, then is subjected to secondary prefiltering by the prefilter cover 6, and finally, the air subjected to secondary prefiltering is subjected to fine filtering by the filter element 2, and the air subjected to fine filtering enters the fuel cell engine through the filter air outlet cavity 21 and the filter air outlet pipe 4 so as to be used by the fuel cell engine. The air filter of the hydrogen fuel cell system carries out double prefiltering on the air entering the filter element 2 through the prefilter 5 and the prefilter cover 6, so that the filtering burden of the filter element 2 is reduced to the greatest extent, the service life of the filter element 2 is prolonged, and the use and maintenance cost of a user is reduced.
While one embodiment of the air cleaner for a hydrogen fuel cell system according to the present utility model has been described in detail, further embodiments thereof are not described in detail herein, and the present utility model is not limited to the above-described specific embodiments, and various modifications made by those skilled in the art without performing the inventive work from the above-described concepts are within the scope of the present utility model.
Claims (10)
1. An air filter of hydrogen fuel cell system comprises a filter shell and a filter element arranged in the filter shell, wherein the filter shell is provided with a filter air inlet pipe and a filter air outlet pipe, the filter element is provided with a filter air outlet cavity communicated with the filter air outlet pipe,
The filter is characterized in that a prefilter is connected to the filter air inlet pipe, a cylindrical prefilter cover is sleeved on the filter element, and the prefilter cover and the filter shell jointly enclose a filter air inlet cavity communicated with the filter air inlet pipe; the prefilter is used for carrying out primary prefilter on air, the prefilter cover is used for carrying out secondary prefilter on the air which is subjected to primary prefilter, and the filter element is used for carrying out fine filter on the air which is subjected to secondary prefilter.
2. The hydrogen fuel cell system air cleaner of claim 1, wherein the filter element includes a main filter element and a safety filter element coaxially sleeved in the main filter element, the prefilter cover is coaxially sleeved outside the main filter element, and an inner cavity of the safety filter element is the filter air outlet cavity.
3. The air cleaner of claim 2, wherein the pre-filter housing includes a primary filter cotton, a middle filter cotton, and a high efficiency filter cotton stacked in that order from the outside to the inside.
4. The air cleaner of claim 1, wherein the prefilter includes a prefilter housing, a baffle assembly fixedly disposed within the prefilter housing, and an impeller assembly disposed on the baffle assembly, the prefilter housing having a prefilter air inlet, a prefilter air outlet, and a prefilter drain disposed thereon, the prefilter air outlet in communication with the filter air inlet, the baffle assembly for directing air entering from the prefilter air inlet, the impeller assembly for discharging centrifugally separated impurities into the prefilter drain.
5. The air cleaner for a hydrogen fuel cell system according to claim 4, wherein said prefilter housing comprises a prefilter cylinder having openings at both ends, a rain cap provided at one end of said prefilter cylinder, and an air-out drain cover provided at the other end of said prefilter cylinder, a screen structure being provided at an end of said prefilter cylinder adjacent to said rain cap, all of the meshes of said screen structure together constituting said prefilter air inlet, said prefilter air outlet and said prefilter drain being provided at said air-out drain cover.
6. The air cleaner of claim 5, wherein one end of the air-out and air-out cover is provided with a containing cavity communicated with the inner cavity of the prefilter cylinder, the other end of the air-out and air-out cover is provided with a prefilter air outlet pipe, the prefilter air outlet is arranged on the bottom wall of the containing cavity and is communicated with the containing cavity and the prefilter air outlet pipe, a plurality of guide plates are arranged on the bottom wall of the containing cavity, all the guide plates are arranged in a circular array with the axis of the air-out and air-out cover as a central axis, all the guide plates and the side walls of the containing cavity enclose guide channels, the prefilter air outlet is positioned among all the guide plates, the prefilter drain is provided with a plurality of prefilter drain outlets, and each prefilter drain outlet is correspondingly arranged on the bottom wall of the containing cavity and positioned in the corresponding guide channel.
7. The air cleaner for a hydrogen fuel cell system according to claim 6, wherein the flow guiding assembly is located between the screen structure and the air outlet drain cover, the flow guiding assembly includes a flow guiding frame and a plurality of flow guiding vanes, all the flow guiding vanes are arranged on the periphery of the flow guiding frame in a circular array with a central axis of the flow guiding frame as an axis, and all the flow guiding vanes are fixedly connected to the inner wall of the prefilter cylinder.
8. The hydrogen fuel cell system air cleaner of claim 7, wherein the impeller assembly includes a rotary drive member and an impeller disposed on the rotary drive member, the rotary drive member being disposed on the baffle frame, the impeller being located within the receiving cavity of the air-out and-blow-down cover and the impeller being located between all of the baffles.
9. The air cleaner for a hydrogen fuel cell system according to claim 8, wherein the impeller includes an impeller frame and a plurality of rotary vanes, one end of the impeller frame is connected to the power output portion of the rotary driving member, the other end of the impeller frame is located in the prefilter air outlet and the impeller frame is disposed in a gap with a side wall of the prefilter air outlet, and all the rotary vanes are disposed in a circular array on a peripheral side of the impeller frame with a rotation axis of the impeller frame as a center axis.
10. The air cleaner for a hydrogen fuel cell system according to claim 1, wherein a cleaner dust discharge port communicating with the cleaner air intake chamber is provided in the cleaner housing, the cleaner dust discharge port and the cleaner air outlet pipe are respectively located at opposite ends of the cleaner housing, a dust discharge valve is provided in the cleaner dust discharge port, and a pressure sensor for detecting air pressure is provided in the cleaner air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421308640.4U CN222296386U (en) | 2024-06-07 | 2024-06-07 | Air filter of hydrogen fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421308640.4U CN222296386U (en) | 2024-06-07 | 2024-06-07 | Air filter of hydrogen fuel cell system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222296386U true CN222296386U (en) | 2025-01-03 |
Family
ID=93974732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421308640.4U Active CN222296386U (en) | 2024-06-07 | 2024-06-07 | Air filter of hydrogen fuel cell system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222296386U (en) |
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2024
- 2024-06-07 CN CN202421308640.4U patent/CN222296386U/en active Active
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