CN110566439A - Fuel cell passenger vehicle air filtering system with sound eliminating function - Google Patents
Fuel cell passenger vehicle air filtering system with sound eliminating function Download PDFInfo
- Publication number
- CN110566439A CN110566439A CN201910810526.9A CN201910810526A CN110566439A CN 110566439 A CN110566439 A CN 110566439A CN 201910810526 A CN201910810526 A CN 201910810526A CN 110566439 A CN110566439 A CN 110566439A
- Authority
- CN
- China
- Prior art keywords
- air
- air inlet
- resonant cavity
- fuel cell
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 35
- 238000001914 filtration Methods 0.000 title claims description 11
- 239000000428 dust Substances 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims description 15
- 230000008030 elimination Effects 0.000 claims description 10
- 238000003379 elimination reaction Methods 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 4
- 230000030279 gene silencing Effects 0.000 claims 1
- 239000013618 particulate matter Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0083—Pulsation and noise damping means using blow off silencers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0088—Pulsation and noise damping means using mechanical tuned resonators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel Cell (AREA)
Abstract
The invention provides an air filter system with a sound-absorbing function for a fuel cell passenger car, which comprises a resonant cavity and an air filter, wherein the air filter is fixedly connected to the upper end of a fuel cell stack, the resonant cavity is fixedly connected to the upper end of the air filter, the resonant cavity is communicated with the air filter, a first air inlet is formed in the left end of the resonant cavity and is connected with one end of a first pipeline, the other end of the first pipeline is connected with an air inlet pipe, air flows into the first pipeline from the air inlet pipe, then flows into the resonant cavity through the first air inlet, the air with the noise reduced by the resonant cavity enters the air filter, and dust and particulate matters in the air are filtered by the air filter.
Description
Technical Field
The invention relates to the technical field of air compressors, in particular to an air filtering system with a noise elimination function for a fuel cell passenger vehicle.
Background
Along with the wide application of fuel cell in the automobile field, the air compressor noise becomes the great puzzlement that influences fuel cell system getting on the bus, and the air compressor noise that is used for passenger car at present can reach 85 ~ 100dBA, can't satisfy the noise demand of country to the passenger car. The noise of the air compressor for the fuel cell comes from an air inlet, an air outlet, a throttle valve and an electromagnetic port, and the air compressor has high noise level, prominent low frequency, long propagation distance and large pollution range. The air compressor used for the high-power fuel cell system is generally centrifugal, the rotating speed of the centrifugal air compressor is high and can reach more than 20 ten thousand revolutions, and the working pressure of the electric pile can be improved by using a throttle valve in order to ensure the performance of the electric pile. Such high velocity and pressure gases enter the system causing severe collisions and disturbances of the air intake with the front cabin components, which convert part of the kinetic energy of the air into loud noise.
The air contains a plurality of harmful substances, such as CO, sulfide and the like, which can cause membrane electrode poisoning once entering the fuel cell and can cause irreversible damage to the proton exchange membrane of the fuel cell. Therefore, air filters must be added at the air inlet to filter harmful substances in the air.
The space of the fuel cell passenger car is small, and the air filter and the noise reduction device are dispersedly arranged to cause space waste, so that the space is not saved.
Disclosure of Invention
In view of the above, the invention provides an air filter system with a noise elimination function for a fuel cell passenger vehicle, which combines an air filter with a muffler to solve the problem of large noise in a small space of the fuel cell passenger vehicle.
The invention provides an air filter system with a sound-absorbing function for a fuel cell passenger car, which comprises a resonant cavity and an air filter, wherein the air filter is fixedly connected to the upper end of a fuel cell stack, the resonant cavity is fixedly connected to the upper end of the air filter, the resonant cavity is communicated with the air filter, a first air inlet is formed in the left end of the resonant cavity and is connected with one end of a first pipeline, the other end of the first pipeline is connected with an air inlet pipe, air flows into the first pipeline from the air inlet pipe, then flows into the resonant cavity through the first air inlet, the air with the noise reduced by the resonant cavity enters the air filter, and dust and particulate matters in the air are filtered by the air filter.
Further, air intake pipe includes air intake pipe front end and air intake pipe rear end, air intake pipe front end fixed connection is in first pipeline, air intake pipe rear end is the rectangle, the size of air intake pipe rear end is greater than the air intake pipe front end.
Furthermore, a partition plate is vertically arranged inside the resonant cavity, the height of the partition plate is equal to the height of the resonant cavity, the width of the partition plate is equal to the width of the resonant cavity, the partition plate divides the inside of the resonant cavity into a first cavity and a second cavity, a through hole is formed in the partition plate, and the first cavity is communicated with the second cavity through the through hole.
Furthermore, a first air outlet is formed in the bottom end of the resonant cavity located in the second chamber, the diameter of the first air outlet is smaller than that of the first air inlet, a second air inlet is formed in the upper end of the air filter, the second air inlet is communicated with the first air outlet in a sealing mode, and the diameter of the second air inlet is smaller than that of the first air outlet.
Furthermore, a second air outlet is formed in the right end of the air filter, the diameter of the second air outlet is smaller than that of the second air inlet, the second air outlet is connected with one end of a second pipeline, and the other end of the second pipeline is connected with an air inlet of the fuel cell stack.
The technical scheme provided by the invention has the beneficial effects that: the air filter system provided by the invention integrates the air filter and the resonant cavity above the fuel cell stack, so that the space is effectively saved, the resonant cavity firstly reduces the noise generated by air flow, the air after noise reduction is subjected to air filtration to filter out impurities such as dust, particles and the like, and the influence of the existence of the impurities such as the dust, the particles and the like on the service life of the fuel cell stack is avoided.
Drawings
Fig. 1 is a schematic structural diagram of an air filtering system of a fuel cell passenger car with a noise elimination function.
Fig. 2 is a schematic diagram of a resonant cavity of the air filtering system of the fuel cell passenger car with the noise elimination function.
Fig. 3 is a combined schematic diagram of a resonant cavity and an air filter of the air filter system of the fuel cell passenger car with the noise elimination function.
Fig. 4 is a schematic view of a baffle plate in a resonant cavity of the air filtering system of the fuel cell passenger car with the noise elimination function.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, an embodiment of the present invention provides an air filter system of a fuel cell passenger car with a noise reduction function, including a resonant cavity 1 and an air filter 2, the air filter 2 is welded at the upper end of a fuel cell stack 3, the resonant cavity 1 is welded at the upper end of the air filter 2, the left end of the resonant cavity 1 is provided with a first air inlet 11, the first air inlet 11 is connected with one end of a first pipeline 4, the other end of the first pipeline 4 is connected with an air inlet pipe 5, the air inlet pipe 5 includes an air inlet pipe front end 51 and an air inlet pipe rear end 52, both the air inlet pipe front end 51 and the air inlet pipe rear end 52 are open, the air inlet pipe front end 51 is welded in the first pipeline 4, the air inlet pipe rear end 52 is rectangular and has a size larger than that of the air inlet pipe front end 51, air enters the air inlet pipe 5 from the air rear end 52, bolt holes 53 are arranged at both, the air inlet pipe 5 is convenient to weld and fix, and the shape design of the air inlet pipe 5 is convenient to stabilize and buffer the inlet air.
Referring to fig. 4, a partition plate 6 is vertically welded inside the resonant cavity 1, the height of the partition plate 6 is equal to the height of the resonant cavity 1, the width of the partition plate 6 is equal to the width of the resonant cavity 1, the partition plate 6 divides the inside of the resonant cavity 1 into a first chamber 12 and a second chamber 13, a through hole 61 is formed in the middle of the partition plate 6, the first chamber 12 is communicated with the second chamber 13 through the through hole 61, a first air outlet (not shown) is formed at the bottom end of the resonant cavity 1 located in the second chamber 13, and the diameter of the first air outlet is smaller than that of the first air inlet 11, so that the air flow at the first air.
The second air inlet is seted up to the upper end of empty 2 of straining, and the second air inlet communicates with first gas outlet is sealed, and the diameter of second air inlet is less than the diameter of first gas outlet, and second gas outlet 21 is seted up to the right-hand member of empty 2 of straining, and the diameter of second gas outlet 21 is less than the diameter of second air inlet, and the one end of second pipeline 7 is connected to second gas outlet 21 department, and the air intlet of fuel cell pile 3 is connected to the other end of second pipeline 7.
The working process of the fuel cell passenger vehicle air filtering system with the noise elimination function provided by the embodiment is as follows: air enters the air inlet pipe 5 through the rear end 52 of the air inlet pipe, flows into the first cavity 12 of the resonant cavity 1 through the first air inlet 11 after flowing through the first pipeline 4, and then flows into the second cavity 13 through the through hole 61, and when the air flows in the resonant cavity 1, the air flow is buffered, and the noise is reduced; air in the second chamber 13 flows into the air filter through the first air outlet and the second air inlet, particles, dust and harmful gases in the air are filtered, and the filtered air enters the second pipeline 7 through the second air outlet 21 and finally enters the fuel cell stack 3.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a take fuel cell passenger car air filter system of noise elimination function, its characterized in that, includes resonant cavity and empty the straining, empty upper end of straining fixed connection at the fuel cell pile is strained to the sky, resonant cavity fixed connection is in the empty upper end of straining, resonant cavity and empty the straining intercommunication, first air inlet is seted up to the left end of resonant cavity, the one end of first pipeline is connected to first air inlet, the air intake pipe is connected to the other end of first pipeline, and the air flows into first pipeline from the air intake pipe in, then flows into the resonant cavity through first air inlet, and the air after the resonant cavity noise reduction gets into in the empty straining, the dust and the particulate matter in the air are strained in the empty filtration.
2. The air filtering system with the silencing function for the fuel cell passenger vehicle of claim 1, wherein the air inlet pipe comprises a front end of the air inlet pipe and a rear end of the air inlet pipe, the front end of the air inlet pipe is fixedly connected in the first pipeline, the rear end of the air inlet pipe is rectangular, and the rear end of the air inlet pipe is larger than the front end of the air inlet pipe in size.
3. The fuel cell passenger vehicle air filtering system with the sound attenuation function according to claim 1, wherein a partition plate is vertically arranged inside the resonant cavity, the height of the partition plate is equal to the height of the resonant cavity, the width of the partition plate is equal to the width of the resonant cavity, the partition plate divides the inside of the resonant cavity into a first chamber and a second chamber, and a through hole is formed in the partition plate and communicates the first chamber with the second chamber.
4. The air filter system with the noise elimination function for the fuel cell passenger vehicle as claimed in claim 3, wherein a first air outlet is formed at the bottom end of the resonant cavity in the second chamber, the diameter of the first air outlet is smaller than that of the first air inlet, a second air inlet is formed at the upper end of the air filter, the second air inlet is in sealed communication with the first air outlet, and the diameter of the second air inlet is smaller than that of the first air outlet.
5. The air filter system with the noise elimination function for the fuel cell passenger vehicle as claimed in claim 4, wherein a second air outlet is formed in the right end of the air filter, the diameter of the second air outlet is smaller than that of the second air inlet, the second air outlet is connected with one end of a second pipeline, and the other end of the second pipeline is connected with an air inlet of the fuel cell stack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810526.9A CN110566439A (en) | 2019-08-29 | 2019-08-29 | Fuel cell passenger vehicle air filtering system with sound eliminating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810526.9A CN110566439A (en) | 2019-08-29 | 2019-08-29 | Fuel cell passenger vehicle air filtering system with sound eliminating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110566439A true CN110566439A (en) | 2019-12-13 |
Family
ID=68776830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910810526.9A Pending CN110566439A (en) | 2019-08-29 | 2019-08-29 | Fuel cell passenger vehicle air filtering system with sound eliminating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110566439A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382698A (en) * | 2022-01-28 | 2022-04-22 | 杰锋汽车动力系统股份有限公司 | Fuel cell air compressor silencer |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010037788A (en) * | 1999-10-20 | 2001-05-15 | 정주호 | Snorkel of air cleaner for automobiles |
| EP1162362A2 (en) * | 2000-06-10 | 2001-12-12 | Filterwerk Mann + Hummel Gmbh | Intake system for combustion engines |
| CN2849195Y (en) * | 2005-11-14 | 2006-12-20 | 重庆宗申技术开发研究有限公司 | Secondary air make up filter |
| CN201065799Y (en) * | 2007-08-01 | 2008-05-28 | 上海通用汽车有限公司 | Automobile air admission system |
| KR20090123215A (en) * | 2008-05-27 | 2009-12-02 | 현대자동차주식회사 | Air cleaner with resonator |
| CN105059091A (en) * | 2015-07-24 | 2015-11-18 | 重庆长安汽车股份有限公司 | Balance device of in-car air pressure |
| CN205876566U (en) * | 2016-08-17 | 2017-01-11 | 合肥亿利汽车零部件有限公司 | Car air intake system is with falling air inlet unit that makes an uproar |
| CN108343590A (en) * | 2018-01-26 | 2018-07-31 | 广州万宝集团压缩机有限公司 | A kind of compressor air-discharging muffler structure |
| CN208918780U (en) * | 2018-10-29 | 2019-05-31 | 安徽美芝制冷设备有限公司 | Muffler and compressor with it |
| CN211819865U (en) * | 2019-08-29 | 2020-10-30 | 武汉格罗夫氢能汽车有限公司 | Fuel cell passenger vehicle air filtering system with sound eliminating function |
-
2019
- 2019-08-29 CN CN201910810526.9A patent/CN110566439A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010037788A (en) * | 1999-10-20 | 2001-05-15 | 정주호 | Snorkel of air cleaner for automobiles |
| EP1162362A2 (en) * | 2000-06-10 | 2001-12-12 | Filterwerk Mann + Hummel Gmbh | Intake system for combustion engines |
| CN2849195Y (en) * | 2005-11-14 | 2006-12-20 | 重庆宗申技术开发研究有限公司 | Secondary air make up filter |
| CN201065799Y (en) * | 2007-08-01 | 2008-05-28 | 上海通用汽车有限公司 | Automobile air admission system |
| KR20090123215A (en) * | 2008-05-27 | 2009-12-02 | 현대자동차주식회사 | Air cleaner with resonator |
| CN105059091A (en) * | 2015-07-24 | 2015-11-18 | 重庆长安汽车股份有限公司 | Balance device of in-car air pressure |
| CN205876566U (en) * | 2016-08-17 | 2017-01-11 | 合肥亿利汽车零部件有限公司 | Car air intake system is with falling air inlet unit that makes an uproar |
| CN108343590A (en) * | 2018-01-26 | 2018-07-31 | 广州万宝集团压缩机有限公司 | A kind of compressor air-discharging muffler structure |
| CN208918780U (en) * | 2018-10-29 | 2019-05-31 | 安徽美芝制冷设备有限公司 | Muffler and compressor with it |
| CN211819865U (en) * | 2019-08-29 | 2020-10-30 | 武汉格罗夫氢能汽车有限公司 | Fuel cell passenger vehicle air filtering system with sound eliminating function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382698A (en) * | 2022-01-28 | 2022-04-22 | 杰锋汽车动力系统股份有限公司 | Fuel cell air compressor silencer |
| CN114382698B (en) * | 2022-01-28 | 2024-04-09 | 杰锋汽车动力系统股份有限公司 | Muffler of fuel cell air compressor |
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