CN211819865U - 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
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- CN211819865U CN211819865U CN201921423451.0U CN201921423451U CN211819865U CN 211819865 U CN211819865 U CN 211819865U CN 201921423451 U CN201921423451 U CN 201921423451U CN 211819865 U CN211819865 U CN 211819865U
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Abstract
The utility model provides a fuel cell passenger car air filtration system of area noise elimination function, strain including resonant cavity and sky, the upper end at the fuel cell pile is strained to the sky, resonant cavity fixed connection is in the sky upper end of straining, resonant cavity and sky intercommunication of straining, 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 in the air flowed into first pipeline from the air intake pipe, then flowed into the resonant cavity through first air inlet, in the air admission after the resonant cavity noise reduction was strained to the sky, the dust and the particulate matter in the air are strained to the sky filtration.
Description
Technical Field
The utility model relates to an air compressor machine technical field especially relates to a fuel cell passenger car air filtration system of area noise elimination function.
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 this, the utility model provides a fuel cell passenger car air filtration system of area noise elimination function combines air filtration and silencer, solves the big problem of fuel cell passenger car small space noise.
The utility model provides a fuel cell passenger car air filtration system of area noise elimination function, strain including resonant cavity and sky, the upper end at the fuel cell pile is strained to the sky, resonant cavity fixed connection is in the sky upper end of straining, resonant cavity and sky intercommunication of straining, 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 in the air flowed into first pipeline from the air intake pipe, then flowed into the resonant cavity through first air inlet, in the air admission after the resonant cavity noise reduction was strained to the sky, the dust and the particulate matter in the air are strained to the sky filtration.
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 utility model provides a beneficial effect that technical scheme brought is: the utility model provides an empty system of straining is strained the sky and the resonance chamber is integrated in the top of fuel cell pile, has effectively saved the space, and the resonance chamber reduces the noise that the air flow produced earlier, and the air after making an uproar falls filters through the sky and falls impurity such as dust, particulate matter, avoids the existence of impurity such as dust, particulate matter to influence the life-span of fuel cell pile.
Drawings
Fig. 1 is a schematic structural diagram of the fuel cell passenger vehicle air filtration system with the noise elimination function of the present invention.
Fig. 2 is a schematic diagram of the resonant cavity of the fuel cell passenger vehicle air filtering system with the noise elimination function.
Fig. 3 is a combined schematic diagram of the resonant cavity and the air filter of the fuel cell passenger vehicle air filter system with the noise elimination function of the present invention.
Fig. 4 is a schematic diagram of the partition plate in the resonant cavity of the fuel cell passenger vehicle air filtering system with the noise elimination function of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below 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 sound-absorbing function, including a resonant cavity 1 and an air filter 2, the air filter 2 is welded on the upper end of a fuel cell stack 3, the resonant cavity 1 is welded on 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, the air inlet pipe 5 is provided, 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 preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
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 |
|---|---|---|---|
| CN201921423451.0U CN211819865U (en) | 2019-08-29 | 2019-08-29 | Fuel cell passenger vehicle air filtering system with sound eliminating function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921423451.0U CN211819865U (en) | 2019-08-29 | 2019-08-29 | Fuel cell passenger vehicle air filtering system with sound eliminating function |
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| CN211819865U true CN211819865U (en) | 2020-10-30 |
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| CN201921423451.0U Active CN211819865U (en) | 2019-08-29 | 2019-08-29 | Fuel cell passenger vehicle air filtering system with sound eliminating function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566439A (en) * | 2019-08-29 | 2019-12-13 | 武汉格罗夫氢能汽车有限公司 | Fuel cell passenger vehicle air filtering system with sound eliminating function |
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2019
- 2019-08-29 CN CN201921423451.0U patent/CN211819865U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566439A (en) * | 2019-08-29 | 2019-12-13 | 武汉格罗夫氢能汽车有限公司 | Fuel cell passenger vehicle air filtering system with sound eliminating function |
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