CN216903024U - Air filter for fuel cell - Google Patents
Air filter for fuel cell Download PDFInfo
- Publication number
- CN216903024U CN216903024U CN202220632772.7U CN202220632772U CN216903024U CN 216903024 U CN216903024 U CN 216903024U CN 202220632772 U CN202220632772 U CN 202220632772U CN 216903024 U CN216903024 U CN 216903024U
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- air
- fuel cell
- guide pipe
- humidity
- air guide
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- 239000000446 fuel Substances 0.000 title claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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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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- Fuel Cell (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model provides an air filter for a fuel cell, belongs to the technical field of fuel cells, and solves the problem that the conventional air filter does not have a humidity detection function. The device comprises an air guide pipe and a humidity detection unit, wherein an air filter element is arranged in the air guide pipe, and the humidity detection unit is used for monitoring the humidity of air in the air guide pipe and sending humidity alarm information when the humidity of the air exceeds a threshold value. The top of the air guide pipe is provided with an air inlet end, one end of the left end and the right end of the air guide pipe is provided with a connecting port in sealing fit with the humidity detection unit, the other end of the air guide pipe is provided with a connecting port in sealing fit with an air inlet of the fuel cell, and a filter element mounting position for placing an air filter element is arranged in the air guide pipe; and an air filter element is arranged at the filter element mounting position. The device has increased the function that detects the gas humidity after the filtration, can protect fuel cell's performance, prevents that other spare parts from damaging because of intaking.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to an air filter for a fuel cell.
Background
The development of fuel cells has placed increased demands on the use of air cleaners. Compared with the air filter of the traditional internal combustion engine, the air filter for the fuel cell not only needs to filter particles in the air, but also needs to absorb gas harmful to the fuel cell engine in the air, and the filter element of the air filter is changed from the traditional filter paper into the filter paper with the activated carbon sandwiched in the middle.
After traditional filter paper is soaked in water and dried in the air, the filter paper has high recovery capacity and does not influence use, but after water enters the filter element of the air filter for the fuel cell, the capacity of adsorbing gas is invalid, and harmful gas greatly influences the performance of the fuel cell. In addition, the rear end of the existing air filter is easy to accumulate water, so that other parts in the fuel cell engine are damaged.
The existing air filter for the fuel cell does not have the humidity detection function, cannot detect whether water is contained in gas filtered by the air filter, and has great potential risk on the use of the fuel cell and other engine parts.
SUMMERY OF THE UTILITY MODEL
In view of the above analysis, the present invention provides an air cleaner for a fuel cell, so as to solve the problem that the existing air cleaner does not have a humidity detection function.
On one hand, the embodiment of the utility model provides an air filter for a fuel cell, which comprises an air guide pipe (1) internally provided with an air filter element, and a humidity detection unit (2) for monitoring the humidity of gas in the air guide pipe (1) and sending humidity alarm information when the humidity of the gas exceeds a threshold value; wherein,
an air inlet end (4) is arranged at the top of the air guide pipe (1), a connecting port in sealing fit with the humidity detection unit (2) is arranged at one end of the left end and the right end, a connecting port (3) in sealing fit with an air inlet of the fuel cell is arranged at the other end of the air guide pipe, and a filter element mounting position for placing an air filter element is arranged in the air guide pipe; and an air filter element is arranged at the installation position of the filter element.
The beneficial effects of the above technical scheme are as follows: the provided air filter has a humidity detection function, can detect whether water enters the air filter or not, sends out humidity alarm information, reduces the over-humidity use risk of the hydrogen fuel cell and other parts, and effectively improves the problem of water accumulation at the rear end of the air filter. On the basis of unchanged performance of the original air filter, the performance of the hydrogen fuel cell engine can be protected, and other parts are prevented from being damaged due to water inflow.
Based on the further improvement of the device, the humidity detection unit (2) further comprises a humidity sensor probe (7), a mounting surface structure (8), a connecting mechanism with external threads and an external lead (9); wherein,
the humidity sensor probe (7) extends into the air guide pipe (1) and is clamped on the inner wall of the air guide pipe (1) through the mounting surface structure (8), or is arranged in a connecting port hermetically matched with the humidity detection unit (2), the top of the probe is matched with the radian of the inner wall of the air guide pipe (1) and is clamped and fixed through the mounting surface structure (8);
the external lead (9) sequentially penetrates through the connecting mechanism with the external thread and the mounting surface structure (8) and then is connected with the humidity sensor probe (7); and,
and an internal thread matched with the external thread is arranged at the connecting port at one end of the air guide pipe (1).
Further, the humidity detection unit (2) further comprises a sealing rubber ring (10); wherein,
the sealing rubber ring (10) is sleeved at the joint of the mounting surface structure (8) and the connecting mechanism.
Further, the air filter also comprises a filter element replacement control unit which is used for popping up an old air filter element at the filter element installation position and pushing a new air filter element into the filter element installation position after receiving the humidity alarm information; wherein,
the input end of the filter element replacement control unit is connected with the output end of the humidity detection unit (2).
Further, the filter element replacement control unit further comprises a control module and a filter element replacement device which are sequentially connected; wherein,
the cartridge changer further includes a telescoping mechanism configured to eject an old air filter cartridge at a cartridge installation location and push a new air filter cartridge into the cartridge installation location.
Furthermore, a cylindrical line channel (5) for gas circulation is arranged in the air guide pipe (1).
Furthermore, the outer side surface of one end of the air guide pipe (1) is also provided with a plurality of reinforcing ribs (6);
each reinforcing rib (6) is uniformly arranged on the outer side surface by taking the center of the outer side connecting port as a circle center.
Further, the mounting surface of the mounting surface structure (8) adopts at least one of a circle, a square, a regular hexagon and a regular octagon.
Furthermore, valves are arranged at the air inlet end (4) and the connecting port (3) which is in sealing fit with the air inlet of the fuel cell.
Furthermore, the air filter also comprises a temperature detection unit for detecting the temperature of the gas in the air guide pipe (1) and sending out temperature alarm information when the gas temperature exceeds a threshold value, and a gas flow detection unit for detecting the gas flow in the air guide pipe (1) and sending out flow alarm information when the gas flow exceeds the threshold value.
Compared with the prior art, the utility model can realize at least one of the following beneficial effects:
1. when the water-proof filter element is over wet, the filter element can be automatically replaced, the water-proof function is achieved, and the hydrogen fuel cell and other parts are fully protected.
2. The high integration of humidity detection unit and air cleaner has been realized, and the structure is reliable, has improved air cleaner's user's physical examination.
3. The temperature and flow monitoring function is added, and multifunctional application is realized.
The summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. The summary is not intended to identify key features or essential features of the disclosure, nor is it intended to limit the scope of the disclosure.
Drawings
The foregoing and other objects, features and advantages of the disclosure will be apparent from the following more particular descriptions of exemplary embodiments of the disclosure as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the disclosure.
FIG. 1 shows a schematic view of an air cleaner assembly for a fuel cell of embodiment 1;
FIG. 2 is a schematic view showing the composition of an air cleaner for a fuel cell according to embodiment 2;
FIG. 3 is a schematic view showing the structure of a humidity detecting unit according to embodiment 2.
Reference numerals:
1-an air guide pipe; 2-a humidity detection unit; 3-a connection port in sealing engagement with the fuel cell air inlet; 4-air inlet end; 5-a cylindrical line channel; 6-reinforcing ribs; 7-humidity sensor probe; 8-mounting face structure; 9-external lead; 10-sealing rubber ring.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The term "include" and variations thereof as used herein is meant to be inclusive in an open-ended manner, i.e., "including but not limited to". Unless specifically stated otherwise, the term "or" means "and/or". The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first," "second," and the like may refer to different or the same object. Other explicit and implicit definitions are also possible below.
Example 1
An embodiment of the present invention discloses an air cleaner for a fuel cell, as shown in fig. 1, including an air guiding pipe 1 having an air filter element therein, and a humidity detecting unit 2 for monitoring the humidity of gas in the air guiding pipe 1 and sending a humidity alarm message when the humidity of the gas exceeds a threshold value.
The top of the air guide pipe 1 is provided with an air inlet end 4 (generally connected with an outlet of an air compressor), one end of the left end and the right end is provided with a connecting port hermetically matched with the humidity detection unit 2, the other end is provided with a connecting port 3 hermetically matched with an air inlet of the fuel cell, and the inside of the air guide pipe is provided with a filter element mounting position for placing an air filter element; and an air filter element is arranged at the installation position of the filter element.
Compared with the prior art, the air cleaner that this embodiment provided possesses the humidity and detects the function, can detect whether intake in the air cleaner to send out humidity warning information, reduced hydrogen fuel cell and other spare part's the excessively wet use risk, and effectively improved the problem of air cleaner rear end ponding. On the basis of unchanged performance of the original air filter, the performance of the hydrogen fuel cell engine can be protected, and other parts are prevented from being damaged due to water inflow.
Example 2
The humidity detection unit 2 is improved on the basis of the air cleaner described in embodiment 1, and further includes a humidity sensor probe 7, a mounting surface structure 8, a connection mechanism provided with external threads, and an external lead 9, as shown in fig. 3.
Wherein, humidity transducer probe 7 stretches into the inside (protrusion setting) of guide duct 1, through installing 8 joints of face structure on the inner wall of guide duct 1, perhaps, locate with humidity detection unit 2 in the sealed complex connection port (internal thread department), its probe top matches with the inner wall radian of guide duct 1 to it is fixed through installing 8 joints of face structure.
The external lead 9 sequentially penetrates through the connecting mechanism with the external thread and the mounting surface structure 8 and then is connected with the humidity sensor probe 7; and the connecting port at one end of the air guide pipe 1 is provided with an internal thread matched with the external thread. The external lead 9 is connected to an engine ECU (controller).
Preferably, the humidity detection unit 2 further includes a sealing rubber ring 10; wherein, the sealing rubber ring 10 is sleeved at the joint of the mounting surface structure 8 and the connecting mechanism. Through the sealing rubber ring 10. The tightness of the connection is ensured.
Preferably, the air cleaner further comprises a filter element replacement control unit for ejecting an old air filter element at the filter element mounting position and pushing a new air filter element into the filter element mounting position after receiving the humidity alarm information. Wherein, the input of the filter element replacement control unit is connected with the output of the humidity detection unit 2.
Preferably, the filter element replacement control unit further comprises a control module and a filter element replacement device which are connected in sequence. Wherein the filter cartridge replacement device further comprises a telescoping mechanism configured to eject an old air filter cartridge at the filter cartridge installation location and push a new air filter cartridge into the filter cartridge installation location. The pop-up procedure of the control module can be seen in patent cn202021948389.x, and does not relate to the improvement of the procedure.
Preferably, the inside of the air guide duct 1 is provided with a cylindrical line channel 5 for gas circulation.
Preferably, the outer side surface of one end of the air guide pipe 1 is also provided with a plurality of reinforcing ribs 6. Each reinforcing rib 6 is uniformly arranged on the outer side surface by taking the center of the outer side connecting port as a circle center.
Preferably, the mounting surface of the mounting surface structure 8 is in the shape of a regular hexagon. During installation, the mounting surface structure 8 is screwed by a wrench.
Preferably, the air inlet end 4 and the connecting port 3 which is matched with the air inlet of the fuel cell in a sealing mode are provided with valves. The valve may be provided as an electrically controlled valve.
Preferably, the air cleaner further comprises a temperature detection unit (including a temperature sensor arranged inside the air guide pipe 1) for detecting the temperature of the air inside the air guide pipe 1 and sending out temperature alarm information when the temperature of the air exceeds a threshold value, and a gas flow detection unit (including a gas flow sensor arranged inside the air guide pipe 1) for detecting the gas flow inside the air guide pipe 1 and sending out flow alarm information when the gas flow exceeds the threshold value. The specific arrangement positions of the temperature sensor and the gas flow sensor are not limited, and can be understood by those skilled in the art.
Compared with embodiment 1, the air cleaner provided by the embodiment has the following beneficial effects:
1. when the water-proof filter element is over wet, the filter element can be automatically replaced, the water-proof function is achieved, and the hydrogen fuel cell and other parts are fully protected.
2. The high integration of humidity detection unit and air cleaner has been realized, and the structure is reliable, has improved air cleaner's user's physical examination.
3. The temperature and flow monitoring function is added, and multifunctional application is realized.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles of the embodiments, the practical application, or improvements made to the prior art, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. An air filter for a fuel cell is characterized by comprising an air guide pipe (1) internally provided with an air filter element, and a humidity detection unit (2) for monitoring the humidity of gas in the air guide pipe (1) and sending humidity alarm information when the humidity of the gas exceeds a threshold value; wherein,
an air inlet end (4) is arranged at the top of the air guide pipe (1), a connecting port in sealing fit with the humidity detection unit (2) is arranged at one end of the left end and the right end, a connecting port (3) in sealing fit with an air inlet of the fuel cell is arranged at the other end of the air guide pipe, and a filter element mounting position for placing an air filter element is arranged in the air guide pipe; and an air filter element is arranged at the installation position of the filter element.
2. The air cleaner for a fuel cell according to claim 1, wherein the humidity detection unit (2) further includes a humidity sensor probe (7), a mounting face structure (8), a connection mechanism provided with an external thread, and an external lead (9); wherein,
the humidity sensor probe (7) extends into the air guide pipe (1) and is clamped on the inner wall of the air guide pipe (1) through the mounting surface structure (8), or is arranged in a connecting port hermetically matched with the humidity detection unit (2), the top of the probe is matched with the radian of the inner wall of the air guide pipe (1) and is clamped and fixed through the mounting surface structure (8);
the external lead (9) sequentially penetrates through the connecting mechanism with the external thread and the mounting surface structure (8) and then is connected with the humidity sensor probe (7); and,
and an internal thread matched with the external thread is arranged at the connecting port at one end of the air guide pipe (1).
3. The air cleaner for a fuel cell according to claim 2, wherein the humidity detection unit (2) further includes a seal rubber ring (10); wherein,
the sealing rubber ring (10) is sleeved at the joint of the mounting surface structure (8) and the connecting mechanism.
4. The air cleaner for a fuel cell according to any one of claims 1 to 3, further comprising a cartridge replacement control unit configured to eject an old air cartridge at the cartridge installation position and push a new air cartridge into the cartridge installation position after receiving the humidity alarm message; wherein,
the input end of the filter element replacement control unit is connected with the output end of the humidity detection unit (2).
5. The air cleaner for a fuel cell according to claim 4, wherein the cartridge replacement control unit further includes a control module, a cartridge replacement device, which are connected in series; wherein,
the cartridge changer further includes a telescoping mechanism configured to eject an old air filter cartridge at a cartridge installation location and push a new air filter cartridge into the cartridge installation location.
6. The air cleaner for a fuel cell according to any one of claims 1 to 3 and 5, wherein the air guide duct (1) is internally provided with a cylindrical wire passage (5) for gas circulation.
7. The air cleaner for the fuel cell as recited in claim 6, wherein the outer surface of one end of the air guide duct (1) is further provided with a plurality of reinforcing ribs (6);
each reinforcing rib (6) is uniformly arranged on the outer side surface by taking the center of the outer side connecting port as a circle center.
8. The air cleaner for a fuel cell according to claim 2 or 3, wherein the mounting surface of the mounting surface structure (8) is at least one of circular, square, regular hexagonal, and regular octagonal.
9. The air cleaner for a fuel cell according to claim 8, wherein valves are provided at the air intake port (4) and at the connection port (3) that sealingly engages with an air inlet of a fuel cell.
10. The air cleaner for a fuel cell according to any one of claims 1 to 3, 5, 7 and 9, further comprising a temperature detection unit for detecting a gas temperature inside the air guide duct (1) and issuing a temperature alarm message when the gas temperature exceeds a threshold value, and a gas flow rate detection unit for detecting a gas flow rate inside the air guide duct (1) and issuing a flow rate alarm message when the gas flow rate exceeds the threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220632772.7U CN216903024U (en) | 2022-03-22 | 2022-03-22 | Air filter for fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220632772.7U CN216903024U (en) | 2022-03-22 | 2022-03-22 | Air filter for fuel cell |
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| Publication Number | Publication Date |
|---|---|
| CN216903024U true CN216903024U (en) | 2022-07-05 |
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| CN202220632772.7U Active CN216903024U (en) | 2022-03-22 | 2022-03-22 | Air filter for fuel cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115138189A (en) * | 2022-07-27 | 2022-10-04 | 同济大学 | Fuel cell cathode three-level air filtering device |
-
2022
- 2022-03-22 CN CN202220632772.7U patent/CN216903024U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115138189A (en) * | 2022-07-27 | 2022-10-04 | 同济大学 | Fuel cell cathode three-level air filtering device |
| CN115138189B (en) * | 2022-07-27 | 2023-11-03 | 同济大学 | Fuel cell cathode three-stage air filtering device |
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