CN110500261A - A kind of hydrogen fuel cell system exhaust silencer - Google Patents
A kind of hydrogen fuel cell system exhaust silencer Download PDFInfo
- Publication number
- CN110500261A CN110500261A CN201910681137.0A CN201910681137A CN110500261A CN 110500261 A CN110500261 A CN 110500261A CN 201910681137 A CN201910681137 A CN 201910681137A CN 110500261 A CN110500261 A CN 110500261A
- Authority
- CN
- China
- Prior art keywords
- cavity plate
- plate
- fuel cell
- silencer
- end cap
- 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
- 230000003584 silencer Effects 0.000 title claims abstract description 31
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000000446 fuel Substances 0.000 title claims abstract description 18
- 239000001257 hydrogen Substances 0.000 title claims abstract description 18
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 18
- 229920000742 Cotton Polymers 0.000 claims abstract description 10
- 230000030279 gene silencing Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 208000002925 dental caries Diseases 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- 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
- F04B39/16—Filtration; Moisture separation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a kind of hydrogen fuel cell system exhaust silencers, and air inlet end cap and outlet end cap including outer layer barrel He its both ends, air inlet end cap and outlet side cover and be respectively equipped with air inlet and air outlet；The inside of the outer layer barrel is set there are five point cavity plate, is followed successively by a type, two types, a type and two three type point cavity plates；The internal layer mesh plate of arc is installed above point cavity plate inside silencer, the inner wall of the internal layer mesh plate and muffler has certain intervals and runs through entire silencer；Man Chongyou aperture on the internal layer mesh plate is filled with silencing cotton in the cavity between the internal layer mesh plate and muffler cylinder.The present invention possesses the high frequency acoustical absorptivity of wider frequency section, can solve the excessive problem of last row noise, and can exclude the moisture in tail gas, and can keep lower exhaust back pressure, avoids hydrogen fuel cell system power loss excessive.
Description
Technical field
The invention belongs to hydrogen fuel cell technical field of engines, disappear more particularly to a kind of exhaust of hydrogen fuel cell system
Sound device.
Background technique
Hydrogen fuel cell engine in operating conditions, since air compressor compresses air-flow, exhaust sound compared with
Height, noise is based on high frequency.In air compressor machine Operation at full power, last row noise can be usually reached 92dB (A) or more, some vehicles
Even up to arrive 100dB(A) more than, allow people to be difficult to endure, and air-flow passes through hydrogen fuel cell reactor, contains in tail gas a large amount of
Water.
Current hydrogen fuel cell system last row silencer research art is still in the junior stage, and noise reduction effect is generally bad,
Vehicle riding comfort and pedestrian are seriously affected to the subjective feeling of vehicle, and then influences the universal of hydrogen fuel cell vehicle.Cause
This designs the high frequency silencer of a broadband, high insertion loss, and the moisture in air-flow can be ejected, change it is special
Urgently.
Summary of the invention
For existing demand, the present invention provides a kind of hydrogen fuel cell system exhaust silencer, which possesses
The high frequency acoustical absorptivity of wider frequency section can solve the excessive problem of last row noise, and can exclude the moisture in tail gas, and can
To keep lower exhaust back pressure, avoid hydrogen fuel cell system power loss excessive.
The technical solution adopted by the present invention are as follows: a kind of hydrogen fuel cell system exhaust silencer, including outer layer barrel, outside
The both ends of layer cylinder are equipped with air inlet end cap and outlet end cap, and the air inlet end cap and outlet side, which cover, to be respectively equipped with air inlet and go out
Port；The inside of the outer layer barrel is set there are five point cavity plate, is followed successively by a type point cavity plate, two type point cavity plates, a type point cavity plate
Divide cavity plate with two three types, five points of cavity plates are being divided into six cavitys inside silencer；One type divides cavity plate top half close
Aperture is distributed in collection, and the two types point cavity plate lower half portion is intensively distributed with aperture, and the three types point cavity plate is intensively covered with aperture；
The internal layer mesh plate of arc, the inner wall tool of the internal layer mesh plate and silencer are installed above point cavity plate inside silencer
There are certain intervals and through entire silencer；Man Chongyou aperture on the internal layer mesh plate, the internal layer mesh plate and silencer
Silencing cotton is filled in cavity between cylinder.
Further, the distance between the adjacent point of cavity plate between air inlet to gas outlet is sequentially reduced.
Further, described point of cavity plate lower part is provided with the aperture of semicircle or similar semicircle, and the aperture, which is formed, runs through silencer
Water draining pass.
Further, the outlet end cap and three types divide the outside cylinder between cavity plate to be equipped with water outlet, the water outlet
The lower section of outer layer barrel is set.
The beneficial effect comprise that:
1, it can be applied to hydrogen fuel cell system, noise is effectively reduced in silencer insertion loss >=26dB (A)；
2, there is wider noise reduction frequency spectrum, it is preferable particular for 2000Hz-8000Hz high-frequency noise erasure effect；
3, the moisture in air-flow can be excluded, prevents silencer internal moisture from accumulating.
Detailed description of the invention
Fig. 1 is cavity body structure schematic diagram；
Fig. 2 is that a type divides cavity plate structural schematic diagram；
Fig. 3 is that two types divide cavity plate structural schematic diagram；
Fig. 4 is that three types divide cavity plate structural schematic diagram；
In figure: 101- air inlet, mono- type point cavity plate of 102-, bis- type point cavity plate of 103-, tri- type of 104- divide cavity plate, 105- aqueduct,
106- air inlet end cap, the gas outlet 107-, 108- internal layer mesh plate, 109- outer layer barrel, 110- silencing cotton, 111- outlet end cap.
Specific embodiment
In order to which the purpose of the present invention, technical solution and beneficial effect is more clearly understood, below in conjunction with attached drawing and implementation
The present invention is described in further detail for example.It should be understood as that specific embodiment described herein is only used to explain this hair
It is bright, it is not restricted to protection scope of the present invention.
As shown in Figure 1, the silencer in the present invention includes five points of cavity plates, including cylindrical outer layer barrel 109, outside
The both ends of layer cylinder 109 are equipped with air inlet end cap 106 and outlet end cap 111, divide on the air inlet end cap 106 and outlet end cap 111
It She You not air inlet 101 and gas outlet 107.The present invention is connected using multistage point cavity plate, and a respectively type divides cavity plate 102, two types
Point cavity plate 103, a type point cavity plate 102, three type point cavity plates 104 and three types divide cavity plate 104.As in Figure 2-4, a type divides in cavity plate
Half part is intensively distributed with aperture, and two type point cavity plate lower half portion are intensively distributed with aperture, and three type point cavity plates are intensively covered with aperture；
Air-flow enters silencer by silencer air inlet 101, passes sequentially through a type point cavity plate 102, two type point cavity plates 103, a type point
Cavity plate 102, two type point cavity plates 104, two types divide cavity plate 104, and between the adjacent point of cavity plate between air inlet to gas outlet
Distance is sequentially reduced.By the variation of the reflection and acoustic impedance that divide between cavity plate, the high-frequency noise of specific frequency is cleared up, and from out
Silencer is discharged in tracheae 107.
The internal layer web plate 108 that section is arc, cloth on the internal layer mesh plate 108 are installed in the inside upper part of outer layer barrel
Full Process, the internal layer web plate 108 and outer layer barrel 109 form a non-whole ring form cavity, and noise reduction is filled in cavity
Cotton 110.When flowing through in the cavity that air-flow is connected in series at six, noise is by the aperture above internal layer mesh plate 108, into noise reduction
Cotton 110, to be predominantly absorbed.It can control the weight and noise reduction area of silencing cotton 110 by adjusting arc length and circumferential angle, and
The position that can control silencing cotton, prevents silencing cotton below silencer, and moisture is deposited in silencing cotton, causes to eliminate the noise and fail.
It is provided with the aperture of semicircle or similar semicircle in point cavity plate lower part, which forms the water draining pass for running through silencer,
The moisture in each cavity being split to form by point cavity plate can flow into the last one cavity with air-flow from water draining pass, and
Silencer is discharged by the aqueduct 105 being mounted on outer layer barrel 109, and water draining pass can increase airflow area, drop
Low exhaust back pressure.
The above description is only a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise of not departing from technical solution of the present invention, can also it make in several modifications or equivalent substitute, such as the present invention
Section is that circular outer layer barrel also could alternatively be oval ellipse, class, rectangular, rounded square or other equivalent effects
Shape, this is accordingly to be regarded as protection category of the invention.
Claims (4)
1. a kind of hydrogen fuel cell system exhaust silencer, including outer layer barrel are equipped with air inlet end cap at the both ends of outer layer barrel
With outlet end cap, the air inlet end cap and outlet side cover and are respectively equipped with air inlet and air outlet；It is characterized by: the outer layer
The inside of cylinder is set there are five point cavity plate, and the type that is followed successively by is divided to cavity plate, two types to be divided to cavity plate, a type that cavity plate and two three types is divided to divide chamber
Plate, five points of cavity plates are being divided into six cavitys inside silencer；The one type point cavity plate top half is intensively distributed with aperture, institute
It states two type point cavity plate lower half portion and is intensively distributed with aperture, the three types point cavity plate is intensively covered with aperture；Inside silencer
The internal layer mesh plate of arc is installed, the inner wall of the internal layer mesh plate and muffler has certain intervals and passes through above point cavity plate
Wear entire silencer；Man Chongyou aperture on the internal layer mesh plate, the cavity between the internal layer mesh plate and muffler cylinder
In be filled with silencing cotton.
2. a kind of hydrogen fuel cell system exhaust silencer according to claim 1, it is characterised in that: from air inlet to out
The distance between adjacent point of cavity plate between port is sequentially reduced.
3. a kind of hydrogen fuel cell system exhaust silencer according to claim 1, it is characterised in that: described to divide under cavity plate
Portion is provided with the aperture of semicircle or similar semicircle, and the aperture forms the water draining pass for running through silencer.
4. a kind of hydrogen fuel cell system exhaust silencer according to claim 1, it is characterised in that: the outlet end cap
The outside cylinder between cavity plate is divided to be equipped with water outlet with three types, the lower section of outer layer barrel is arranged in the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681137.0A CN110500261A (en) | 2019-07-26 | 2019-07-26 | A kind of hydrogen fuel cell system exhaust silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681137.0A CN110500261A (en) | 2019-07-26 | 2019-07-26 | A kind of hydrogen fuel cell system exhaust silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110500261A true CN110500261A (en) | 2019-11-26 |
Family
ID=68587300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910681137.0A Pending CN110500261A (en) | 2019-07-26 | 2019-07-26 | A kind of hydrogen fuel cell system exhaust silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110500261A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217339A (en) * | 2021-05-27 | 2021-08-06 | 莆田市斯凡登电子商务有限公司 | Silencing equipment for air pressure system |
| CN114233606A (en) * | 2021-12-28 | 2022-03-25 | 杰锋汽车动力系统股份有限公司 | Silencer structure for fuel cell |
| CN115324686A (en) * | 2022-07-26 | 2022-11-11 | 上汽通用汽车有限公司 | Silencer used in vehicle exhaust system and vehicle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040149515A1 (en) * | 2003-01-22 | 2004-08-05 | Calsonic Kansei Corporation | Muffler |
| CN101146982A (en) * | 2005-03-24 | 2008-03-19 | 丰田自动车株式会社 | Noise eliminator for fuel cell |
| US20090045006A1 (en) * | 2005-06-24 | 2009-02-19 | Toshiyuki Kondo | Noise Eliminator for Fuel Cell |
| CN202852784U (en) * | 2012-08-31 | 2013-04-03 | 常州碧源达环保设备有限公司 | Silencer for steam exhaust |
| CN103603709A (en) * | 2013-12-02 | 2014-02-26 | 天津豪记科技有限公司 | Silencer |
| CN203702287U (en) * | 2013-12-02 | 2014-07-09 | 天津豪记科技有限公司 | Muffler |
| CN104314643A (en) * | 2014-10-11 | 2015-01-28 | 诸城市海得威机械有限公司 | Exhaust silencer special for removing high-frequency noise |
| CN204827622U (en) * | 2015-07-31 | 2015-12-02 | 云南大红山管道有限公司 | Silencing device who extensively utilizes |
| CN207879550U (en) * | 2017-12-14 | 2018-09-18 | 浙江盾安机械有限公司 | A kind of muffler |
| CN109026605A (en) * | 2018-08-27 | 2018-12-18 | 加西贝拉压缩机有限公司 | A kind of inhaling silencer with gas liquid separating function |
| CN210660489U (en) * | 2019-07-26 | 2020-06-02 | 郑州精益达环保科技有限公司 | Exhaust silencer of hydrogen fuel cell system |
-
2019
- 2019-07-26 CN CN201910681137.0A patent/CN110500261A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040149515A1 (en) * | 2003-01-22 | 2004-08-05 | Calsonic Kansei Corporation | Muffler |
| CN101146982A (en) * | 2005-03-24 | 2008-03-19 | 丰田自动车株式会社 | Noise eliminator for fuel cell |
| US20080185218A1 (en) * | 2005-03-24 | 2008-08-07 | Toshiyuki Kondo | Noise Eliminator For Fuel Cell |
| US20090045006A1 (en) * | 2005-06-24 | 2009-02-19 | Toshiyuki Kondo | Noise Eliminator for Fuel Cell |
| CN202852784U (en) * | 2012-08-31 | 2013-04-03 | 常州碧源达环保设备有限公司 | Silencer for steam exhaust |
| CN103603709A (en) * | 2013-12-02 | 2014-02-26 | 天津豪记科技有限公司 | Silencer |
| CN203702287U (en) * | 2013-12-02 | 2014-07-09 | 天津豪记科技有限公司 | Muffler |
| CN104314643A (en) * | 2014-10-11 | 2015-01-28 | 诸城市海得威机械有限公司 | Exhaust silencer special for removing high-frequency noise |
| CN204827622U (en) * | 2015-07-31 | 2015-12-02 | 云南大红山管道有限公司 | Silencing device who extensively utilizes |
| CN207879550U (en) * | 2017-12-14 | 2018-09-18 | 浙江盾安机械有限公司 | A kind of muffler |
| CN109026605A (en) * | 2018-08-27 | 2018-12-18 | 加西贝拉压缩机有限公司 | A kind of inhaling silencer with gas liquid separating function |
| CN210660489U (en) * | 2019-07-26 | 2020-06-02 | 郑州精益达环保科技有限公司 | Exhaust silencer of hydrogen fuel cell system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217339A (en) * | 2021-05-27 | 2021-08-06 | 莆田市斯凡登电子商务有限公司 | Silencing equipment for air pressure system |
| CN114233606A (en) * | 2021-12-28 | 2022-03-25 | 杰锋汽车动力系统股份有限公司 | Silencer structure for fuel cell |
| CN115324686A (en) * | 2022-07-26 | 2022-11-11 | 上汽通用汽车有限公司 | Silencer used in vehicle exhaust system and vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220825 Address after: 450000 No. 69, 8th Street, economic and Technological Development Zone, Zhengzhou City, Henan Province Applicant after: ZHENGZHOU JINGYIDA AUTO PARTS Co.,Ltd. Address before: No.366, Jingnan 5th Road, 25th Street, Zhengzhou Economic and Technological Development Zone, Henan Province, 450000 Applicant before: ZHENGZHOU JINGYIDA ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| TA01 | Transfer of patent application right |