CN107514325A - A kind of denoising device applied to automotive air intake pipeline - Google Patents
A kind of denoising device applied to automotive air intake pipeline Download PDFInfo
- Publication number
- CN107514325A CN107514325A CN201710962460.6A CN201710962460A CN107514325A CN 107514325 A CN107514325 A CN 107514325A CN 201710962460 A CN201710962460 A CN 201710962460A CN 107514325 A CN107514325 A CN 107514325A
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- denoising device
- air intake
- automotive air
- intake pipeline
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- 230000009467 reduction Effects 0.000 claims abstract description 19
- 230000008859 change Effects 0.000 claims abstract description 8
- 238000013461 design Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- VNFVKWMKVDOSKT-LREBCSMRSA-N (2r,3r)-2,3-dihydroxybutanedioic acid;piperazine Chemical compound C1CNCCN1.OC(=O)[C@H](O)[C@@H](O)C(O)=O VNFVKWMKVDOSKT-LREBCSMRSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
- F02M35/1266—Intake silencers ; Sound modulation, transmission or amplification using resonance comprising multiple chambers or compartments
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention provides a kind of denoising device applied to automotive air intake pipeline, two ends of the denoising device are connected on automotive air intake pipe road, denoising device is provided with upper shell and lower house, row's width identical chamber is provided between upper shell and lower house along admission line, being placed with each chamber can independently change and outer profile size identical center tube module, and offer through hole in the side wall of each center tube module, through hole is according to the Demand Design of noise reduction into plurality of specifications, the center tube module with respective shapes and aperture area through hole is positioned in each chamber according to noise reduction requirement.The present invention devises the modularization that can eliminate an inflow noise muffler structure, the difference of noise can be catered to by changing wherein some or multiple fuses, so as to which the structure to be used for engine calibration pattern different under various or same model, while reducing production cost, the time of noise reduction debugging is reduced.
Description
Technical field
The present invention relates to the noise reduction process field of automobile pipeline system, and in particular to is applied to automotive air intake pipeline to one kind
Denoising device.
Background technology
With the development of domestic native country auto industry, people increasingly pay attention to automobile noise problem in driving procedure, more
Pay attention to the auditory perception in driving.Automobile noise pollution simultaneously also produces many bad influences to surrounding enviroment and pedestrian, this
It is required that the solution of car acpistocs is paid close attention to during automotive development emphatically.
In current solution, wideband muffler is one of extraordinary acoustic element of effect.Usually monoblock type is set
Meter, is not split.The different booster of the different engine of different vehicles and different calibration phases, vehicle intake are made an uproar
Sound differs, and is needed in conventional development process according to different vehicles and different vehicle development stages to wideband muffler
Carry out multiple vehicle tuning experiment.And this needs making integral sound suppressor exemplar to carry out taking turns verification experimental verifications more, and monoblock type
The design alteration of muffler will put into substantial amounts of manpower and materials, and the construction cycle is grown, and development cost is big.
The U of patent CN 204113389 disclose a kind of air inlet noise reduction that can effectively reduce medium-high frequency, wideband induction noise
Device, it is made up of shell 1, perforated pipe 2 and the three parts of shell 3, the inside of shell 1 is provided with stopper slot, and perforated pipe 2 loads shell vertically
In 1 and spacing by stopper slot, shell 3 is fixedly connected on shell I, between perforated pipe 2 and shell 1 with multiple radial direction dividing plates every
Open, and retain 1.5~2.5mm gap between dividing plate and shell 1, communicate dividing plate both sides cavity, opened up on the surface of perforated pipe 2
If there is dry hole.But the muffler disclosed in the documents, which is changed, needs integral replacing perforated pipe 2, on the one hand improve into
This, on the other hand if necessary to be eliminated to the noise of certain frequency, while perforated pipe 2 are constantly changed, also needs
Aperture specification of the perforated pipe 2 in each link upper shed is accurately adjusted, this allows for needing the perforated pipe 2 for producing plurality of specifications
To meet different de-noising demands, processing cost is not only further increased, while adds the de-noising debugging efforts time.
The content of the invention
It is an object of the invention to provide a kind of modularization muffler, gas can pass through this structure, and noise leads to
It can be eliminated when crossing this structure.This muffler is arranged on the pipeline of air inlet system of supercharger engine, when engine works,
Air enters engine by this pipeline, and noise is eliminated by this muffler caused by booster and engine.It is modular to set
Meter causes muffler in the case where shell is constant, simply changes its internal noise reduction fuse can and completes to different noises
Elimination, when vehicle noise is changed due to a variety of causes, modularization muffler can by change wherein some or
Person multiple fuses cater to the change of noise, without entirely remaking exemplar, while reducing production cost, and drop
The time of low noise reduction debugging.
Concrete scheme is as follows：
A kind of denoising device applied to automotive air intake pipeline, the denoising device is provided with upper shell and lower house, described
Row's width identical chamber is provided between upper shell and the lower house along admission line, is put in each chamber
Being equipped with can independently change and outer profile size identical center tube module, and be offered in the side wall of each center tube module logical
Hole, through hole, into plurality of specifications, are required the center pipe die with dimension through hole according to the Demand Design of noise reduction according to noise reduction
Block is positioned in each chamber.
Further, the cross sectional shape of the center tube module is cylindric, oval tubular or square tube shape.
Further, the shape of through holes is strip, circle and/or polygonal hole, and the aperture area of through hole is according to noise reduction
Requirement design.
Further, each center tube module both ends are provided with a circle back-up ring；
The inwall that the lower house and the upper shell are located at each chamber is provided with two slots, the center tube module
The back-up ring at both ends is fixed in the slot.
Further, the height of each chamber is set according to the requirement of noise reduction.
Further, the lower house is provided with sealing catch between two neighboring chamber.
Further, after upper shell and lower house are buckled together, each chamber is independent mutually.
Further, upper shell and lower house are fixed using clamping, welding or bolt.
Further, the denoising device is provided at both ends with connecting tube, and the connecting tube is connected on the automotive air intake pipeline
On, the connecting tube is connected by flange, clamp connection and/or fast inserting structure are fixed on the automotive air intake pipeline.
Further, the denoising device is provided with one or more chambers.
The present invention devises the modularization that can eliminate an inflow noise muffler structure, comprising upper lower casing, two
Or more than two fuses, different silencing cavities is formed, the width all same of each silencing cavity, is disappeared by changing fuse to adjust
Voice frequency.Gas flows through from intermediate conduit, and due to the fluting or aperture and external shell on muffler central tube wall
The cavity that body surrounds, noise are eliminated by resonance principle.We can by change wherein some or multiple fuses come
The change of noise is catered to, without entirely remaking exemplar, while reducing production cost, reduces noise reduction debugging
Time.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 be that prior art provides it is a kind of can effectively reduce medium-high frequency, the admission air silencer of wideband induction noise shows
It is intended to；
Fig. 2 is the stereogram of denoising device in one embodiment of the invention；
Fig. 3 is the sectional view of denoising device in one embodiment of the invention；
Fig. 4 is the assembling schematic diagram of denoising device in one embodiment of the invention；
Fig. 5 present invention in one embodiment in denoising device single center tube module schematic diagram；
Fig. 6 is the assembling schematic diagram of denoising device in one embodiment of the invention.
Embodiment
In the following description, a large amount of concrete details are given to provide more thorough understanding of the invention.So
And it is obvious to the skilled person that the present invention can be able to without one or more of these details
Implement.In other examples, in order to avoid obscuring with the present invention, do not enter for some technical characteristics well known in the art
Row description.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, so as to
Explain technical scheme.Presently preferred embodiments of the present invention is described in detail as follows, but in addition to these detailed descriptions, this
Invention can also have other embodiment.
Technical scheme is further detailed below.
A kind of denoising device applied to automotive air intake pipeline, two ends of the denoising device are connected on automotive air intake pipe road,
Denoising device is provided with upper shell 10 and lower house 13, and it is wide that a row is provided with along admission line between upper shell 10 and lower house 13
Identical chamber is spent, inserted with can independently change and outer profile size identical center tube module 14 in each chamber.Fig. 2-5
Show a kind of denoising device with 4 chambers that the present invention is provided in one embodiment, corresponding, the denoising device
4 center tube modules 14 are inside assigned.Wherein, each center tube module 14 is tubular, and in the side wall of each center tube module 14
Offer through hole 14a.In actual applications, we will have respective through hole 14a shapes and through hole 14a to be open according to de-noising requirement
The center tube module 14 of size is respectively inserted in each chamber.
In an of the invention optional embodiment, the cross sectional shape of center tube module can be cylindric, oval tubular or
The linear pattern or arc line type structure of square tube shape.The through hole 14a aperture areas and shape opened up in central tube sidewalls is according to drop
The requirement made an uproar designs, such as can be strip, circle, polygon.It is shown in the side wall of center tube module 11 and offers one
Enclose 4 strip through hole 14a mutually disconnected.Shown in comparison diagram 4 and Fig. 6, Fig. 4 shows each in upper-lower casing in one embodiment
The through hole that shape is identical but A/F is different is offered on center tube module 14；Fig. 6 shows upper lower casing in one embodiment
Different shape, the through hole of different densities are offered on each center tube module 14 in body.In actual applications, we are according to difference
Pipeline and different noise reduction demands, suitable central tube block combiner is placed into housing, carries out noise reduction inspection afterwards
Survey, take the optimal central tube block combiner of noise reduction to coordinate denoising device of the upper-lower casing as the present invention.
In an optional embodiment of the invention, each both ends of center tube module 14 are provided with a circle back-up ring 14b；Lower house
13 and upper shell 10 be located at the inwall of each chamber and be provided with two slots, the back-up ring 14b at the both ends of center tube module 14 is inserted in
In slot, each center tube module 14 is fixed in each chamber.
In an optional embodiment of the invention, the height of each chamber is set according to the requirement of noise reduction, can be identical
It is or different, it is preferred that each chamber height being distributed from denoising device one end to the other end is incremented by, as shown in figure 3, from left to right
Chamber 16, chamber 17, chamber 18, the internal height of chamber 19 are progressively incremented by, accordingly, chamber 16, chamber 17, chamber 18, chamber
The via openings width of center tube module 14 inside 19 progressively increasing or decreasing.On the one hand make product more attractive in appearance rich in rule
Property, inside center tube module 14 on the other hand can be coordinated to adapt to different de-noising demands, while convenient debugging.
In an optional embodiment of the invention, lower house 13 is provided with sealing catch 15 between two neighboring chamber,
Part of adjacent 2 chambers in addition to central tube is isolated by sealing catch 15 so that gas is only capable of by center tube module
The pipeline at 14 centers passes through.In addition, after upper shell and lower house are buckled together, each chamber is independent mutually.Wherein, upper shell and
Lower house is fixed together by the way of the fixation of clamping, welding or bolt, the fixed sealing for needing to ensure upper-lower casing connection
Property so that internal gas is not exposed.
In an optional embodiment of the invention, denoising device is provided at both ends with connecting tube 11, and connecting tube 11 is enclosed on automobile
On admission line.Further alternative, connecting tube 11 is connected by flange, anchor ear connection and/or fast inserting structure are fixed on automobile
On admission line.Fast inserting structure is used to realize the connection of denoising device and air inlet pipeline, it is necessary to using back-off to avoid.This
The outer air-tightness connected for guarantee connecting tube 11 with automotive air intake pipeline, is provided with close in the connecting tube 11 at denoising device both ends
Seal 12.
Compared with prior art, the present embodiment has advantages below：
1st, space requirement is small, convenient, flexible arrangement：Carry out the exploitation of modularization mufflers according to some platforms of main engine plants, one
As be preferably minimized requirement of the product to space, carry out the modularization muffler exploitation of 2 chambers or more, volume is slightly larger than master
Pipeline, to space requirement very little, facilitate product flexible arrangement.
2nd, the construction cycle is few, and R＆D costs are low：In the vehicle application of some platforms, the hole only by adjusting interpolation pipe
Rate, size etc. meet product demand and improve properties of product type selecting table, and type selecting tie in arrangement system can be directly carried out in practical application
Make, the construction cycle is few, and R＆D costs are low.
3rd, use range is wide：Denoising device can use such as flange to be connected with the connected mode of automotive air intake pipeline, anchor ear
Connection carries out type selecting with quick be connected, and can meet various types of booster or natural aspiration types of attachment；Product size is small, also
It may be directly applied to before and after booster in each possible line segments.
4th, seriation：According to situation before and after booster, each type of attachment carries out the seriation of housing, modularization；According to master
Machine factory requires to carry out modularization to interpolation pipe；Noise elimination demand that is easy to connect and meeting each frequency band.
5th, type selecting is convenient, technical maturity：In a series of product, acoustical absorptivity is clear and definite, and connected mode is clear and definite, and technique is bright
Really, type selecting is convenient, and manufacture craft is ripe.
6. space is big：Interpolation pipe size is small, can carry out multi-point mould making；It is big that this space drops in product.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as giving reality with the common mode in this area
Apply；Any those skilled in the art, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc.
Embodiment is imitated, this has no effect on the substantive content of the present invention.Therefore, every content without departing from technical solution of the present invention, foundation
The technical spirit of the present invention still falls within the present invention to any simple modifications, equivalents, and modifications made for any of the above embodiments
In the range of technical scheme protection.
Claims (10)
1. a kind of denoising device applied to automotive air intake pipeline, it is characterised in that the denoising device is provided with upper shell with
Housing, row's width identical chamber is provided between the upper shell and the lower house along admission line, it is each described
Being placed with chamber can independently change and outer profile size identical center tube module, and in the side wall of each center tube module
Through hole is offered, through hole, into plurality of specifications, is required with dimension through hole according to the Demand Design of noise reduction according to noise reduction
Center tube module is positioned in each chamber.
2. it is applied to the denoising device of automotive air intake pipeline as claimed in claim 1, it is characterised in that the center tube module
Cross sectional shape be cylindric, oval tubular or square tube shape.
3. it is applied to the denoising device of automotive air intake pipeline as claimed in claim 1 or 2, it is characterised in that the through hole shape
Shape is strip, circle and/or polygonal hole, and the aperture area of through hole designs according to the requirement of noise reduction.
4. it is applied to the denoising device of automotive air intake pipeline as claimed in claim 1, it is characterised in that each center pipe die
Block both ends are provided with a circle back-up ring；
The inwall that the lower house and the upper shell are located at each chamber is provided with two slots, the center tube module both ends
Back-up ring be fixed in the slot.
5. it is applied to the denoising device of automotive air intake pipeline as claimed in claim 1, it is characterised in that the height of each chamber
Degree is set according to the requirement of noise reduction.
6. it is applied to the denoising device of automotive air intake pipeline as claimed in claim 1, it is characterised in that the lower house is in phase
Sealing catch is provided between adjacent two chambers.
7. it is applied to the denoising device of automotive air intake pipeline as claimed in claim 6, it is characterised in that upper shell and lower house
After being buckled together, each chamber is independent mutually.
8. it is applied to the denoising device of automotive air intake pipeline as claimed in claim 1, it is characterised in that upper shell and lower house
Fixed using clamping, welding or bolt.
9. it is applied to the denoising device of automotive air intake pipeline as claimed in claim 1, it is characterised in that the denoising device two
End is provided with connecting tube, and the connecting tube is connected on the automotive air intake pipeline, and the connecting tube is connected by flange, clip connects
Connect and/or fast inserting structure is fixed on the automotive air intake pipeline.
10. it is applied to the denoising device of automotive air intake pipeline as claimed in claim 1, it is characterised in that the denoising device
It is provided with one or more chambers.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710962460.6A CN107514325B (en) | 2017-10-17 | Noise reduction device applied to automobile air inlet pipeline | |
| PCT/CN2018/095129 WO2019076094A1 (en) | 2017-10-17 | 2018-07-10 | Noise reduction device applicable to air intake ducting of automobile, air intake ducting of automobile, automobile, and noise reduction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710962460.6A CN107514325B (en) | 2017-10-17 | Noise reduction device applied to automobile air inlet pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107514325A true CN107514325A (en) | 2017-12-26 |
| CN107514325B CN107514325B (en) | 2024-04-30 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019076094A1 (en) * | 2017-10-17 | 2019-04-25 | 上海大创汽车技术有限公司 | Noise reduction device applicable to air intake ducting of automobile, air intake ducting of automobile, automobile, and noise reduction method |
| CN112943493A (en) * | 2021-01-18 | 2021-06-11 | 华晨鑫源重庆汽车有限公司 | Automobile air inlet high-frequency resonance cavity with novel structure |
| CN113417829A (en) * | 2021-07-09 | 2021-09-21 | 同济大学 | Design method of multi-cavity muffler for fuel cell vehicle |
| CN114992418A (en) * | 2022-07-12 | 2022-09-02 | 合肥美的电冰箱有限公司 | Silencer assembly for pipeline, pipeline silencing device and refrigerator |
| US11434855B2 (en) * | 2017-12-20 | 2022-09-06 | Montaplast Gmbh | Broad-band resonance silencer, in particular for a motor vehicle engine |
| CN115419529A (en) * | 2022-08-29 | 2022-12-02 | 岚图汽车科技有限公司 | Silencer assembly and noise verification method |
| US20230102336A1 (en) * | 2021-09-27 | 2023-03-30 | Mann+Hummel Gmbh | Space-saving broadband resonator having a resonator insert |
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| WO2019076094A1 (en) * | 2017-10-17 | 2019-04-25 | 上海大创汽车技术有限公司 | Noise reduction device applicable to air intake ducting of automobile, air intake ducting of automobile, automobile, and noise reduction method |
| US11434855B2 (en) * | 2017-12-20 | 2022-09-06 | Montaplast Gmbh | Broad-band resonance silencer, in particular for a motor vehicle engine |
| CN112943493A (en) * | 2021-01-18 | 2021-06-11 | 华晨鑫源重庆汽车有限公司 | Automobile air inlet high-frequency resonance cavity with novel structure |
| CN112943493B (en) * | 2021-01-18 | 2024-03-22 | 鑫源汽车有限公司 | Automobile air inlet high-frequency resonant cavity with novel structure |
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| US11912210B2 (en) * | 2021-09-27 | 2024-02-27 | Mann+Hummel Gmbh | Space-saving broadband resonator having a resonator insert |
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| CN115419529A (en) * | 2022-08-29 | 2022-12-02 | 岚图汽车科技有限公司 | Silencer assembly and noise verification method |
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