CN213425024U - Fuel cell automobile air intercooler - Google Patents
Fuel cell automobile air intercooler Download PDFInfo
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- CN213425024U CN213425024U CN202022524270.6U CN202022524270U CN213425024U CN 213425024 U CN213425024 U CN 213425024U CN 202022524270 U CN202022524270 U CN 202022524270U CN 213425024 U CN213425024 U CN 213425024U
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- fuel cell
- silencing
- intercooler
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model provides a fuel cell car air intercooler belongs to car technical field. The problem of how to eliminate the noise that gets into the intercooler gas and not influence the cooling effect of intercooler is solved. The utility model provides a fuel cell car air intercooler, includes the cooling cavity, the first amortization cavity with cooling cavity entrance point intercommunication is installed to cooling cavity entrance point, be equipped with the different volumetric amortization resonant cavity of a plurality of in the first amortization cavity. This fuel cell car air intercooler increases amortization structure in its import and export passageway, and intercooler cooling module structure does not change, can not exert an influence to carrying out gas cooling in the cooling cavity.
Description
Technical Field
The utility model belongs to the technical field of the car, concretely relates to fuel cell car air intercooler.
Background
The vehicle-mounted fuel cell system generates electricity through electrochemical reaction of hydrogen and air in a fuel cell stack, and provides power for a driving motor of an automobile. Air is compressed by an air compressor and then enters the electric pile through an air intercooler. In this process, due to the operating characteristics of the air compressor itself, such as the high-speed rotation of the centrifugal air compressor blades and the high-speed flow of the compressed air, noise of a certain frequency is generated at the outlet of the air compressor. In the fuel cell system, the generation of noise has a large influence on the ride comfort of the vehicle during operation.
Chinese patent literature discloses an intercooler [ application No. 202020533205.7, No. CN211556046U ] for an improved fuel cell system, comprising an intercooler housing, an air channel and a heat sink arranged in the intercooler housing, and a resistant muffling plate arranged in the intercooler housing; the reactive silencing plates are distributed in the air flow channel and form a resonant cavity matched with air together with the inner wall of the intercooler shell.
The intercooler of above-mentioned application through add the resistance muffler board at the air runner to form the resonant cavity with the inner wall of intercooler casing, make the air at resonant cavity internal reflection formation resonance, in order to reduce sound and continuously transmit, and then reach the effect of amortization, with this noise that reduces next link output, thereby help reducing fuel cell system's noise.
But the shortcoming lies in, the resistance acoustical panel sets up around the inside of intercooler, and partial gaseous bypass is to the cavity that resistance acoustical panel and intercooler inner wall formed, and the fin of not flowing through has reduced the heat transfer volume of gas and fin, influences the heat transfer effect of intercooler to a certain extent.
Disclosure of Invention
The utility model aims at having the above-mentioned problem to current technique, provided a fuel cell car air intercooler, the utility model aims to solve the technical problem that how eliminate when getting into the gaseous noise of intercooler, and do not influence the cooling effect of intercooler itself.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a fuel cell car air intercooler, includes the cooling cavity, the first amortization cavity with cooling cavity entrance point intercommunication is installed to cooling cavity entrance point, be equipped with the different volumetric amortization resonant cavity of a plurality of in the first amortization cavity.
The gas with high pressure and high temperature enters the first silencing cavity, the frequency sound wave with higher gas noise peak value is introduced into the first silencing cavity, a plurality of silencing resonant cavities I with different volumes are arranged in the first silencing cavity, the sound waves with respective frequencies enter the silencing resonant cavities with corresponding volumes and circularly oscillate in the first silencing resonant cavities, the time sequence of the sound waves entering the first silencing resonant cavities is different, the sound waves with the same frequency and the directions are opposite, the sound waves meet in the first silencing resonant cavities with corresponding volumes and then are mutually offset, so that the sound waves with different frequencies are correspondingly eliminated by the silencing resonant cavities with different volumes, the frequency sound with higher noise peak value does not enter the cooling cavity along with the gas from the inlet end of the cooling cavity, the gas after being silenced in the first silencing cavity is received in the cooling cavity, the first silencing cavity is arranged at the inlet end of the cooling, so that the gas cooling effect in the cooling cavity is not affected.
In the air intercooler for the fuel cell automobile, an air inlet interface is arranged on the first silencing cavity, a plurality of first partition plates which are arranged in parallel are arranged in the first silencing cavity from the air inlet interface to the inlet end of the cooling cavity, and the plurality of first partition plates and the inner wall of the first silencing cavity surround to form a plurality of first silencing resonant cavities with different volumes. High-pressure and high-temperature gas enters the first silencing cavity from the gas inlet interface, flows to the inlet end of the cooling cavity from the gas inlet interface and enters the silencing resonant cavities I with different volumes, so that the frequency sound waves with higher gas noise peak values can be quickly eliminated in the silencing resonant cavities I with different volumes.
In the air intercooler for a fuel cell vehicle, the volumes of the first silencing resonant cavities with different volumes are gradually reduced from the air inlet interface to the inlet end of the cooling cavity. The noise of the gas flowing through is eliminated step by step according to different frequency sound waves.
In the air intercooler for the fuel cell automobile, the outlet end of the cooling cavity is provided with a second silencing cavity communicated with the outlet end of the cooling cavity, and a plurality of silencing resonant cavities with different volumes are arranged in the second silencing cavity. The gas cooled in the cooling cavity flows into the second silencing cavity from the outlet end of the cooling cavity, and the frequency sound wave with a higher peak value of the gas noise after cooling treatment in the cooling cavity is further eliminated through the silencing resonant cavities with different volumes in the second silencing cavity, so that the noise of the gas is further eliminated.
In the air intercooler for the fuel cell automobile, the second silencing cavity is provided with the air outlet port, a plurality of second partition plates which are arranged in parallel are arranged in the second silencing cavity from the outlet end of the cooling cavity to the air outlet port, and the plurality of second partition plates and the inner wall of the second silencing cavity surround to form a plurality of second silencing resonant cavities with different volumes. The air outlet interface is used for discharging the air which is further silenced in the second silencing cavity, and the frequency sound wave with higher peak value of air noise in the second silencing cavity sequentially enters the silencing resonant cavities II with different volumes according to the frequency, so that the air can be rapidly eliminated in the silencing resonant cavities II with different volumes.
In the air intercooler of the fuel cell automobile, the volumes of the silencing resonant cavities II with different volumes are gradually increased from the outlet end of the cooling cavity to the air outlet interface. The noise of the gas flowing through is eliminated step by step according to different frequency sound waves.
In the air intercooler of the fuel cell automobile, the cooling cavity is provided with the mounting plate, and the mounting plate is provided with the mounting hole. The mounting holes are used for mounting the cooling cavity at corresponding positions through screws.
In the air intercooler for a fuel cell vehicle, the cooling cavity is further provided with a cooling liquid inlet and a cooling liquid outlet. The cooling liquid inlet and the cooling liquid outlet are used for replacing cooling liquid and are used for adding and discharging the cooling liquid.
Compared with the prior art, the utility model has the advantages as follows:
the first silencing resonant cavity with the different volumes of the plurality of is arranged in the first silencing cavity, the second silencing resonant cavity with the different volumes of the plurality of is arranged in the second silencing cavity, the gas noise can be eliminated through the first silencing cavity and the second silencing cavity, the first silencing cavity is arranged at the inlet end of the cooling cavity, and the second silencing cavity is arranged at the outlet end of the cooling cavity, so that the structure of the cooling module in the cooling cavity is not changed, and the gas cooling effect in the cooling cavity can not be influenced.
Drawings
Fig. 1 is a schematic structural diagram of an air intercooler of a fuel cell vehicle of the present invention.
In the figure, 1, a cooling chamber; 1a, mounting plates; 1a1, mounting holes; 1b, a cooling liquid inlet; 1c, a cooling liquid outlet 2 and a first silencing cavity; 2a, a first silencing resonant cavity; 2b, an air inlet interface; 2c, a first clapboard; 3. a second muffling cavity; 3a, a sound attenuation resonant cavity II; 3b, an air outlet interface; 3c and a second clapboard.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the air intercooler for a fuel cell vehicle comprises a cooling cavity 1, wherein a mounting plate 1a is arranged on the cooling cavity 1, a mounting hole 1a1 is formed in the mounting plate 1a, and a cooling liquid inlet 1b, a cooling liquid outlet 1c, a cooling liquid inlet 1b and a cooling liquid outlet 1c are further formed in the cooling cavity 1 and used for replacing cooling liquid, and are used for adding and discharging the cooling liquid.
The first amortization cavity 2 that communicates with 1 entrance point of cooling cavity is installed to 1 entrance point of cooling cavity, be equipped with a plurality of different volumetric amortization resonant cavities 2a in the first amortization cavity 2, the interface 2b that admits air has on the first amortization cavity 2, be equipped with a plurality of parallel arrangement's baffle 2c to 1 entrance end direction of cooling cavity from the interface 2b that admits air in the first amortization cavity 2, a plurality of baffle 2c surrounds the different volumetric amortization resonant cavities 2a of formation a plurality of with 2 inner walls of first amortization cavity, different volumetric amortization resonant cavities 2a diminish to 1 entrance end direction volume of cooling cavity from the interface 2b that admits air gradually. High-pressure and high-temperature gas enters the first silencing cavity 2 from the gas inlet interface 2b, so that the frequency sound waves with higher gas noise peak values in the first silencing cavity 2 sequentially enter the silencing resonant cavities 2a with different volumes according to the frequency, and the gas can be rapidly eliminated in the silencing resonant cavities 2a with different volumes.
The second amortization cavity 3 with cooling cavity 1 exit end intercommunication is installed to cooling cavity 1 exit end, be equipped with two 3a of a plurality of different volumetric amortization resonant cavities in the second amortization cavity 3, interface 3b of giving vent to anger has on the second amortization cavity 3, be equipped with two 3c of a plurality of parallel arrangement from cooling cavity 1 exit end to interface 3b direction of giving vent to anger in the second amortization cavity 3, a plurality of two 3c of baffle and the second amortization cavity inner wall surround and form two 3a of different volumetric amortization resonant cavities, two 3a of different volumetric amortization resonant cavities follow cooling cavity 1 exit end to interface 3b direction of giving vent to anger grow gradually. Gas after cooling treatment in the cooling cavity 1 flows into the second silencing cavity 3 from the outlet end of the cooling cavity 1, the higher frequency sound wave of the gas noise peak value in the second silencing cavity 3 sequentially enters the silencing resonant cavities 3a with different volumes according to the frequency, so that the gas can be rapidly eliminated in the silencing resonant cavities 3a with different volumes, the higher frequency sound wave of the gas noise peak value in the cooling cavity 1 is further eliminated through the silencing resonant cavities 3a with different volumes in the second silencing cavity 3, and the gas outlet interface 3b is used for discharging the gas after further silencing in the second silencing cavity 3.
High-pressure and high-temperature gas enters the first silencing cavity 2, the frequency sound wave with higher gas noise peak value is introduced into a plurality of silencing resonant cavities 2a with different volumes in the first silencing cavity 2, the sound waves with respective frequencies enter the silencing resonant cavities 2a with corresponding volumes and circularly oscillate in the silencing resonant cavities 2a, because the time sequence of the sound waves entering the silencing resonant cavities 2a is different, the sound waves with the same frequency and opposite directions are mutually counteracted after meeting in the silencing resonant cavities 2a with corresponding volumes, the sound waves with different frequencies are correspondingly eliminated by the silencing resonant cavities 2a with different volumes, the frequency sound with higher noise peak value does not enter the cooling cavity 1 along with the gas from the inlet end of the cooling cavity 1, the gas which is silenced in the first silencing cavity 2 is received in the cooling cavity 1, and the gas which is cooled in the cooling cavity 1, flow into second amortization cavity 3 from cooling cavity 1 exit end in, be equipped with the different volumetric amortization resonant cavity two 3a of a plurality of in the second amortization cavity 3, the principle of amortization is the same with the amortization principle in first amortization cavity 2 in second amortization cavity 3, gaseous noise through further gas behind second amortization cavity 3, first amortization cavity 2 sets up at cooling cavity 1 entrance point, second amortization cavity 3 sets up at cooling cavity 1 exit end, make the cooling module structure in the cooling cavity 1 not change, can not exert an influence to carrying out gas cooling effect in the cooling cavity 1.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a fuel cell car air intercooler, includes cooling cavity (1), its characterized in that, first amortization cavity (2) with cooling cavity (1) entrance point intercommunication are installed to cooling cavity (1) entrance point, be equipped with the different volumetric amortization resonant cavity (2a) of a plurality of in first amortization cavity (2).
2. The fuel cell automobile air intercooler of claim 1, wherein the first muffling cavity (2) is provided with an air inlet (2b), a plurality of first parallel baffles (2c) are arranged in the first muffling cavity (2) from the air inlet (2b) to the inlet of the cooling cavity (1), and the plurality of first baffles (2c) and the inner wall of the first muffling cavity (2) surround to form a plurality of muffling resonant cavities (2a) with different volumes.
3. The fuel cell vehicle air intercooler of claim 2, wherein the volumes of the silencing resonance cavities (2a) with different volumes are gradually reduced from the air inlet port (2b) to the inlet end of the cooling cavity (1).
4. The fuel cell automobile air intercooler of claim 1, 2 or 3, wherein the outlet end of the cooling cavity (1) is provided with a second silencing cavity (3) communicated with the outlet end of the cooling cavity (1), and a plurality of silencing resonant cavities (3a) with different volumes are arranged in the second silencing cavity (3).
5. The air intercooler for the fuel cell automobile according to claim 4, wherein the second muffling cavity (3) is provided with an air outlet (3b), a plurality of second parallel partition plates (3c) are arranged in the second muffling cavity (3) from the outlet end of the cooling cavity (1) to the air outlet (3b), and the plurality of second partition plates (3c) and the inner wall of the second muffling cavity enclose a plurality of second muffling resonant cavities (3a) with different volumes.
6. The fuel cell vehicle air intercooler of claim 5, wherein the volumes of the sound attenuation resonant cavities (3a) with different volumes are gradually larger from the outlet end of the cooling cavity (1) to the air outlet port (3 b).
7. The fuel cell vehicle air intercooler according to claim 1, 2 or 3, wherein a mounting plate (1a) is provided on the cooling chamber (1), and a mounting hole (1a1) is provided on the mounting plate (1 a).
8. The fuel cell vehicle air intercooler of claim 1, 2 or 3, wherein the cooling cavity (1) further has a cooling liquid inlet (1b) and a cooling liquid outlet (1 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022524270.6U CN213425024U (en) | 2020-11-04 | 2020-11-04 | Fuel cell automobile air intercooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022524270.6U CN213425024U (en) | 2020-11-04 | 2020-11-04 | Fuel cell automobile air intercooler |
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| Publication Number | Publication Date |
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| CN213425024U true CN213425024U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022524270.6U Active CN213425024U (en) | 2020-11-04 | 2020-11-04 | Fuel cell automobile air intercooler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115441004A (en) * | 2022-09-28 | 2022-12-06 | 广东科学技术职业学院 | Cooling noise reduction device, fuel cell system and fuel cell automobile |
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2020
- 2020-11-04 CN CN202022524270.6U patent/CN213425024U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115441004A (en) * | 2022-09-28 | 2022-12-06 | 广东科学技术职业学院 | Cooling noise reduction device, fuel cell system and fuel cell automobile |
| CN115441004B (en) * | 2022-09-28 | 2024-07-09 | 广东科学技术职业学院 | Cooling noise reduction device, fuel cell system and fuel cell automobile |
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