CN209067385U - A kind of air-cleaner snorkel road and automobile - Google Patents
A kind of air-cleaner snorkel road and automobile Download PDFInfo
- Publication number
- CN209067385U CN209067385U CN201821898226.8U CN201821898226U CN209067385U CN 209067385 U CN209067385 U CN 209067385U CN 201821898226 U CN201821898226 U CN 201821898226U CN 209067385 U CN209067385 U CN 209067385U
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- pipeline
- air
- hole
- cleaner
- snorkel road
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Air-Conditioning For Vehicles (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a kind of air-cleaner snorkel road and automobile, to solve the problems, such as that noise elimination technique in the prior art will increase gas handling system volume and can not eliminate the noise to specific frequency.The air-cleaner snorkel road of the utility model, it include: the first pipeline with air inlet, third pipeline with gas outlet, and it is connected to the second pipeline between first pipeline and the third pipeline, first pipeline, second pipeline and the third pipeline are sequentially communicated, the tube wall of first pipeline is equipped with multiple through-holes with different pore size, and multiple through-holes are connected to the airflow channel in first pipeline from the outer surface of first pipeline.
Description
Technical field
The utility model relates to the automobile noise control technical field, specifically a kind of air-cleaner snorkel road and vapour
Vehicle.
Background technique
Currently, industry makes an uproar on the high request of engine power performance and the resulting air inlet radiation for influencing NVH performance
Sound constitutes a pair of contradictory body, in addition the application of turbocharging technology, so that the high frequency charge air flow noise of 1000Hz-2500Hz
Problem also increasingly highlights, and the order noise that engine ignition operation generates travels to air inlet by induction system line, in turn
It radiates, travels to car, influence driver and passenger.The existing loss of propagation of the acoustic energy in pipeline, it is also possible to because of sound
Chamber modal resonance and be amplified.Therefore, under the premise of can not change engine characteristics, air inlet radiated noise is controlled
It is particularly important.
Currently, inhibiting the mode of inlet noise mainly include the following types: an increases air cleaner volume；Two, air
Filter is into (out) tracheae interpolation；High-frequency resonant cavity is installed in three, air cleaners；Fixing resonance chamber on four, air inlet pipelines；
Quarter-wave long tube is installed on five, air inlet pipelines.
For mode one, four, five, total volume outside gas handling system will increase, be unfavorable for arrangement in beautiful and cabin；For
Mode two, noise elimination effect is limited, and can not eliminate the noise for peculiar frequency；For mode three, though it can be to fixed frequency range
It eliminates the noise, but higher cost, and still needs to reserved inner space, increase air cleaner volume equal to covert.
Utility model content
The purpose of this utility model is to provide a kind of air-cleaner snorkel road and automobiles, to solve in the prior art
Noise elimination technique the problem of will increase gas handling system volume and can not eliminating the noise to specific frequency.
The technical solution of the utility model are as follows:
The utility model provides a kind of air-cleaner snorkel road, comprising: the first pipeline with air inlet has
The third pipeline of gas outlet, and the second pipeline being connected between first pipeline and the third pipeline, described first
Pipeline, second pipeline and the third pipeline are sequentially communicated, and the tube wall of first pipeline, which is equipped with, has different pore size
Multiple through-holes, multiple through-holes are connected to the airflow channel in first pipeline from the outer surface of first pipeline.
Preferably, second pipeline includes using the first branch pipeline made of plastics and using made of PET material the
Two branch pipelines, first branch pipeline connect first pipeline, and second branch pipeline one end connects first branch pipeline,
The other end connects the third pipeline.
Preferably, second pipeline is glued with first pipeline and the third pipeline respectively.
Preferably, opening area of multiple through-holes on first pipeline and the surface face with first pipeline
Ratio between product is between 8% to 15%.
Preferably, the through-hole being arranged on first pipeline includes that first through hole and aperture are less than the first through hole
Second through-hole in aperture, the first through hole are arranged in the front half section of first pipeline, and second through-hole is arranged in institute
On the second half section for stating the first pipeline.
Preferably, the upper surface of first pipeline is plane, first be arranged on the upper surface of first pipeline
Through-hole and second through-hole are in the same plane.
Another aspect according to the present utility model, the utility model additionally provide a kind of automobile, including air cleaner, institute
Air cleaner is stated with import, the automobile further includes above-mentioned air-cleaner snorkel road, and the third pipeline goes out
Port is connected to the import of the air cleaner.
The utility model has the following beneficial effects:
Under accelerating mode, air inlet radiated noise increases with the increase of throttle opening, and porous air inlet can
Low-frequency noise is effectively inhibited, PET pipe surface has fine and closely woven porous structure, can effectively be pressed down to high-frequency noises
System, the two combine under effect, and the effect significantly reduced can be played to inlet noise overall sound pressure level.It can make air filter
Clear noise elimination frequency band of the device air inlet pipeline in limited cabin space is wider, and whole sound deadening capacity is bigger, more effectively reduces high frequency
The noise that charge air flow noise and engine are radiated by pipeline by the air inlet of the first pipeline, while manufacture craft is simple, and
It is neat and artistic the fixed bracket of in addition increase, appearance are not needed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
The air inlet on the air-cleaner snorkel road on the air-cleaner snorkel road and the application of Fig. 2 prior art is made an uproar
Sound overall sound pressure level curve comparison figure；
The internal car noise on the air-cleaner snorkel road on the air-cleaner snorkel road and the application of Fig. 3 prior art
Overall sound pressure level curve comparison figure；
Description of symbols: 1, the first pipeline；2, the first branch pipeline；3, the second branch pipeline；4, tie point；5, third pipe
Road；6, first through hole；7, the second through-hole.
Specific embodiment
Referring to figs. 1 to Fig. 3, the utility model provides the utility model and provides a kind of air-cleaner snorkel road,
It include: the first pipeline 1 with air inlet, the third pipeline 5 with gas outlet, and it is connected to first pipeline 1 and institute
The second pipeline between third pipeline 5 is stated, first pipeline 1, second pipeline and the third pipeline 5 are sequentially communicated,
The tube wall of first pipeline 1 is equipped with multiple through-holes with different pore size, appearance of multiple through-holes from first pipeline 1
Face is connected to the airflow channel in first pipeline 1.
Wherein, due to the setting of multiple through-holes, when high pressure draught enters in the first pipeline 1, fraction passes through logical
To external radiation, the acoustic energy that the different frequency of air draught generation may be implemented in the through-hole of different pore size dissipates, right in hole
Another part air-flow then passes through the first pipeline 1, the second pipeline and third pipeline 5 and enters in air cleaner.
As shown in Figure 1, second pipeline includes being made using the first branch pipeline 2 made of plastics and using PET material
The second branch pipeline 3, first branch pipeline 2 connects first pipeline 1,3 one end of the second branch pipeline connection described the
One branch pipeline 2, the other end connect the third pipeline 5.In addition, the first pipeline 1 and third pipeline 5 are all made of plastics and are made.
For the second branch pipeline 3, PET pipe surface have fine and closely woven porous structure, can to high-frequency noises into
Row effectively inhibits.
Preferably, second pipeline is glued with first pipeline 1 and the third pipeline 5 respectively.Specifically, first
Branch pipeline 2 and first pipeline 1 are glued, and the second branch pipeline 3 is glued with the third pipeline 5, the first branch pipeline 2 and second point
It is then clamped by modes such as buckles between pipeline 3.Certainly, for the pipeline of the application, as long as can be realized each
Good seal performance between pipeline, any connection type can be applied to the connection between above-mentioned pipeline.
Since the groundwork on air-cleaner snorkel road is to realize to allowing air to enter to air filter
In clear device, therefore, if the opening accounting that the through-hole being arranged on the first pipeline 1 is formed is too big, it will lead to and enter to air-filtering
Air in device is very few to be unable to satisfy needed for gas handling system, therefore, in order to which the air guaranteed to enter in air cleaner can
Needed for meeting gas handling system, by the reduction inflow noise of amplitude peak, in the application, multiple through-holes are in first pipe
Opening area on road 1 and the ratio between the surface area of first pipeline 1 are between 8% to 15%.
Preferably, the through-hole being arranged on first pipeline 1 includes that first through hole 6 and aperture are less than the first through hole
Second through-hole 7 in 6 aperture, the first through hole 6 are arranged in the front half section of first pipeline 1, and second through-hole 7 is set
It sets on the second half section of first pipeline 1.The upper surface of first pipeline 1 is plane, in the upper table of first pipeline 1
The first through hole 6 and second through-hole 7 being arranged on face are in the same plane.Specifically, pass through the upper half to the first pipeline 1
Part, which carries out scabbling processing, forms above-mentioned plane, for the lower half portion of the first pipeline, is arranged in class ellipse.
In addition, as shown in Figure 1, being fixed with the peace for being fixed to the air inlet pipeline in cabin on the outside of the second pipeline
4 are decorateeed, which is specially a plate, and the peace for being spirally connected between other component is provided in the installation point 4
Fill hole.
Referring to fig. 2, solid line is the inlet noise overall sound pressure level curve of the prior art, and dotted line is having in the application
The inlet noise overall sound pressure level on the air-cleaner snorkel road that more the first empty pipelines 1 are combined with PET material air inlet pipe
Curve.Behind the air-cleaner snorkel road for using the application known to referring to fig. 2, by the total of the inlet noise of the first pipeline 1
Sound pressure level reduces average about 7dB (A).
Referring to Fig. 3, solid line is the internal car noise overall sound pressure level curve of the normal prior art, and dotted line is having in the application
The internal car noise overall sound pressure level on the air-cleaner snorkel road that more the first empty pipelines 1 are combined with PET material air inlet pipe is bent
Line.It is total using the air cleaner inlet pipe that there are more the first empty pipelines 1 to combine with PET material air inlet pipe according to Fig. 3
The overall sound pressure level of internal car noise is reduced average about 2dB (A) by Cheng Hou.
It the air-cleaner snorkel road of the application can be according to specific vehicle when being applied to the automobile of different automobile types
It needs, the pore size and position of the first through hole 2 being arranged on the first pipeline 1 and the second through-hole 3 is adjusted, to realize
The air-flow acoustic energy of target frequency is radiated.
The above structure of the application, under accelerating mode, the air inlet radiated noise of the first pipeline 1 is with throttle opening
Increase and increase, the multiple through-holes being arranged on the first pipeline 1 can effectively inhibit low-frequency noise, PET pipe surface
With fine and closely woven porous structure, high-frequency noises can effectively be inhibited, the two combines under effect, can manage to first
The inlet noise overall sound pressure level on road 1 plays the effect significantly reduced.Air-cleaner snorkel road can be made limited
Noise elimination frequency band in cabin space is wider, and whole sound deadening capacity is bigger, more effectively reduces high frequency charge air flow noise and engine
The noise radiated by pipeline by the air inlet of the first pipeline 1, while manufacture craft is simple, and does not need in addition to increase fixed branch
Frame, appearance are neat and artistic.
In addition, above-mentioned through-hole can also be arranged at 5 position of the second pipeline and third pipeline in the application, to
The acoustic energy generated in two pipelines and third pipeline 5 dissipates.
Another aspect according to the present utility model, the utility model additionally provide a kind of automobile, including air cleaner, institute
Air cleaner is stated with import, the automobile further includes above-mentioned air-cleaner snorkel road, and the third pipeline 5 goes out
Port is connected to the import of the air cleaner.
Claims (7)
1. a kind of air-cleaner snorkel road characterized by comprising the first pipeline (1) with air inlet has outlet
The third pipeline (5) of mouth, and the second pipeline being connected between first pipeline (1) and the third pipeline (5), it is described
First pipeline (1), second pipeline and the third pipeline (5) are sequentially communicated, and the tube wall of first pipeline (1) is equipped with
Multiple through-holes with different pore size, multiple through-holes are connected to first pipeline (1) from the outer surface of first pipeline (1)
Interior airflow channel.
2. air-cleaner snorkel road according to claim 1, which is characterized in that second pipeline includes using modeling
Expect manufactured first branch pipeline (2) and using the second branch pipeline (3) made of PET material, first branch pipeline (2) connects institute
It states the first pipeline (1), described second branch pipeline (3) one end connects first branch pipeline (2), and the other end connects the third pipe
Road (5).
3. air-cleaner snorkel road according to claim 1, which is characterized in that second pipeline respectively with it is described
First pipeline (1) and the third pipeline (5) are glued.
4. air-cleaner snorkel road according to claim 1, which is characterized in that multiple through-holes are described first
Opening area on pipeline (1) and the ratio between the surface area of first pipeline (1) are between 8% to 15%.
5. air-cleaner snorkel road according to claim 1, which is characterized in that set on first pipeline (1)
The through-hole set includes the second through-hole (7) that first through hole (6) and aperture are less than the aperture of the first through hole (6), and described first
Through-hole (6) is arranged in the front half section of first pipeline (1), and second through-hole (7) is arranged in first pipeline (1)
On second half section.
6. air-cleaner snorkel road according to claim 5, which is characterized in that the upper table of first pipeline (1)
Face is plane, and the first through hole (6) and second through-hole (7) being arranged on the upper surface of first pipeline (1) are located at same
In one plane.
7. a kind of automobile, including air cleaner, the air cleaner has import, which is characterized in that the automobile also wraps
Air-cleaner snorkel road as claimed in any one of claims 1 to 6 is included, described in the gas outlet connection of the third pipeline (5)
The import of air cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821898226.8U CN209067385U (en) | 2018-11-19 | 2018-11-19 | A kind of air-cleaner snorkel road and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821898226.8U CN209067385U (en) | 2018-11-19 | 2018-11-19 | A kind of air-cleaner snorkel road and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209067385U true CN209067385U (en) | 2019-07-05 |
Family
ID=67099549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821898226.8U Active CN209067385U (en) | 2018-11-19 | 2018-11-19 | A kind of air-cleaner snorkel road and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209067385U (en) |
-
2018
- 2018-11-19 CN CN201821898226.8U patent/CN209067385U/en active Active
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