CN108457777A - A kind of air inlet box and gas handling system and vehicle - Google Patents
A kind of air inlet box and gas handling system and vehicle Download PDFInfo
- Publication number
- CN108457777A CN108457777A CN201710087613.7A CN201710087613A CN108457777A CN 108457777 A CN108457777 A CN 108457777A CN 201710087613 A CN201710087613 A CN 201710087613A CN 108457777 A CN108457777 A CN 108457777A
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- Prior art keywords
- air inlet
- air
- hollow housing
- inlet box
- gas outlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 235000012489 doughnuts Nutrition 0.000 claims description 12
- 238000001914 filtration Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000644 propagated effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000006854 communication Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000234 capsid Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect 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
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10013—Means upstream of the air filter; Connection to the ambient air
-
- 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
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
-
- 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
- F02M35/1205—Flow throttling or guiding
- F02M35/1216—Flow throttling or guiding by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention provides a kind of air inlet box and gas handling system and vehicles, air inlet box includes hollow housing, the one side of hollow housing is equipped with the external inlet channel with hollow housing inner cavity of connection, the inlet channel is made of multiple air admission holes, the length and/or internal diameter of multiple air admission holes differ, the another side of hollow housing is equipped with the gas outlet for being connected to air filter, and the inner cavity of hollow housing forms the channel for entering from inlet channel for air, being flowed out from gas outlet.When the noise generated in engine working process is propagated outward from air inlet box, the frequency of sound wave range of the air admission hole filtering of multiple length, internal diameter not etc. is larger, so that the sectional area of the propagation path of sound wave is changed and then generates the variation of acoustic impedance, so that the noise emission of major part is gone back, the sound wave of seldom a part of frequency can be spread out of, prodigious decaying is caused to noise, plays preferable sound-deadening and noise-reducing effect.
Description
Technical field
The present invention relates to a kind of air inlet box and gas handling system and vehicles.
Background technology
Existing bus engine gas handling system includes air inlet box, the gas outlet of air inlet box and the air inlet of air cleaner
Connection, air are entered after air cleaner filtering by air inlet box again by air inlet pipeline air inlet engine.As the applying date is
2016.8.15, the Chinese invention patent that application publication number is CN106150790A discloses a kind of inlet duct and using should
The car of device.Inlet duct disclosed in the prior art includes box-like shell, is respectively equipped on the opposite flank of box-like shell
Side where air inlet and gas outlet, wherein air inlet is mesh-plate structure, and the mesh of web plate constitutes filter opening, and gas outlet position is equipped with
Conduit for being connected with air filtering core is equipped with the rectification fin being made of six flow deflectors and connection ring in conduit, this
Outside, venetian blind type water-retaining structure is also equipped in shell.This inlet duct when in use, during the work time due to engine
Opening and closing, the detonation in cylinder, impact of high-speed flow of air throttle etc. can form larger noise and the air inlet from inlet duct
Mouth outflow outward makes the passenger on the vehicle of carrying engine bear larger noise and invades and harasses.
Invention content
The purpose of the present invention is to provide a kind of air inlet boxes for capableing of sound-deadening and noise-reducing；Meanwhile the present invention also provides use
The gas handling system and vehicle of the air inlet box.
The air inlet box of the present invention includes hollow housing, and the one side of hollow housing is equipped in connection outside and hollow housing
The inlet channel of chamber, the inlet channel are made of multiple air admission holes, and the length and/or internal diameter of multiple air admission holes differ, hollow
The another side of shell is equipped with the gas outlet for being connected to air filter, and the inner cavity of hollow housing, which is formed, to be led to for air from air inlet
Road enters, crosses gas channel from gas outlet outflow.
When the noise generated in engine working process is propagated outward from air inlet box, the air inlet of multiple length, internal diameter not etc.
The frequency of sound wave range of hole filtering is larger, so that the sectional area of the propagation path of sound wave is changed and then generates the change of acoustic impedance
Change so that the noise emission of major part is gone back, and the sound wave of seldom a part of frequency can be spread out of, and prodigious decline is caused to noise
Subtract, plays preferable sound-deadening and noise-reducing effect.
The side of hollow housing is equipped with outside multiple connections and the through tube of hollow housing inner cavity, and the air admission hole is by passing through
The endoporus of siphunculus is constituted.Air admission hole is formed by the endoporus for the through tube being arranged on side, is simple to manufacture, it is easy to process.
Multiple through tubes are mutually parallel and are decorated in array, and are conducive to air inlet in this way, avoid the generation of intake swirl.
Hollow housing is the L-type shell with horizontal segment and vertical section, and inlet channel and gas outlet are located at horizontal segment
With the end of vertical section, air flows out after entering from inlet channel by turning to from gas outlet.L-type shell makes the biography of noise
Path bending is broadcast, noise transmission is inhibited.
Horizontal segment intracavity section product more than vertical section intracavity section accumulate, when noise on propagation path section hair
Changing generates certain acoustic impedance variation so that a part of noise reflection postbacks motivation, further functions as the purpose of noise reduction.
The cross sectional shape of horizontal segment is rectangle, and the cross sectional shape of vertical section is circle, crosses gas channel lumen shape and becomes
Change, increases reflection of the noise in communication process, play the role of noise reduction.
The inner cavity of horizontal segment and the inner cavity rounding off of vertical section, can make in this way inlet channel enter air-flow smoothly into
Enter filter, reduces the probability that vortex generates, engine charge is not interfered with while noise reduction.
Be equipped with water conservancy diversion grid at the gas outlet of vertical section end, the water conservancy diversion grid include more than two donuts and
The radial fins of each donut are sequentially connected, on the one hand guiding air-flow is pleasant into filter for water conservancy diversion grid, passes through water conservancy diversion
The gas passage that grid is formed and the sectional area for crossing gas channel of air inlet box inner cavity also change, and improve the change of acoustic impedance again
Change, optimizes noise reduction.
The gas handling system of the present invention includes air filter and the air inlet box being connected on air filter air inlet, the air inlet box
Including hollow housing, the one side of hollow housing is equipped with the external inlet channel with hollow housing inner cavity of connection, the air inlet
Channel is made of multiple air admission holes, and the length and/or internal diameter of multiple air admission holes differ, the another side of hollow housing be equipped with
The air inlet box gas outlet of air filter air inlet connection, the inner cavity of hollow housing, which is formed, to be entered for air from inlet channel, from air inlet
Gas channel is crossed in the outflow of box gas outlet.
The side of hollow housing is equipped with outside multiple connections and the through tube of hollow housing inner cavity, and the air admission hole is by passing through
The endoporus of siphunculus is constituted.
Multiple through tubes are mutually parallel and are decorated in array.
The hollow housing is the L-type shell with horizontal segment and vertical section, inlet channel and air inlet box gas outlet difference
Positioned at the end of horizontal segment and vertical section, air flows out after entering from inlet channel by turning to from air inlet box gas outlet.
The intracavity section product of horizontal segment is accumulated more than the intracavity section of vertical section.
The cross sectional shape of horizontal segment is rectangle, and the cross sectional shape of vertical section is circle.
The inner cavity of horizontal segment and the inner cavity rounding off of vertical section.
Be equipped with water conservancy diversion grid at the gas outlet of vertical section end, the water conservancy diversion grid include more than two donuts and
It is sequentially connected the radial fins of each donut.
The vehicle of the present invention, including engine aspirating system, the gas handling system include air filter and are connected to air filter
Air inlet box on device air inlet, the air inlet box include hollow housing, and the one side of hollow housing is equipped with connection outside in
The inlet channel of ghost intracoelomic cavity, the inlet channel are made of multiple air admission holes, and the length and/or internal diameter of multiple air admission holes are not
Another side Deng, hollow housing is equipped with the air inlet box gas outlet being connected to air filter air inlet, the inner cavity shape of hollow housing
Gas channel is crossed at what is flowed out from inlet channel entrance, from air inlet box gas outlet for air.
The side of the hollow housing is equipped with outside multiple connections and the through tube of hollow housing inner cavity, the air admission hole
It is made of the endoporus of through tube.
Multiple through tubes are mutually parallel and are decorated in array.
The hollow housing is the L-type shell with horizontal segment and vertical section, inlet channel and air inlet box gas outlet difference
Positioned at the end of horizontal segment and vertical section, air flows out after entering from inlet channel by turning to from air inlet box gas outlet.
The intracavity section product of horizontal segment is accumulated more than the intracavity section of vertical section.
The cross sectional shape of horizontal segment is rectangle, and the cross sectional shape of vertical section is circle.
The inner cavity of horizontal segment and the inner cavity rounding off of vertical section.
Be equipped with water conservancy diversion grid at the gas outlet of vertical section end, the water conservancy diversion grid include more than two donuts and
It is sequentially connected the radial fins of each donut.
Description of the drawings
Fig. 1 is the schematic diagram of the gas handling system of the present invention；
Fig. 2 is the stereogram of the air inlet box of the present invention；
Fig. 3 is the structural schematic diagram of the air inlet box of the present invention；
Fig. 4 is the structural schematic diagram of air inlet end cap；
Fig. 5 is the structural schematic diagram of water conservancy diversion grid.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the vehicle of the present invention, including engine aspirating system.As shown in Figs. 1-5, engine charge system
System mainly including air filter 1 and the air inlet box 5 that is connected on the air inlet 10 of air filter 1, the gas outlet of air filter with start
Machine air inlet is connected.
Air inlet box 5 includes hollow housing, and hollow housing is L-shaped, including horizontal segment 50 and vertical section 51.Horizontal segment 50
Cross sectional shape is rectangle, has rectangular inner cavity；The cross sectional shape of vertical section 51 is circle, has round cavity；Horizontal segment it is interior
Chamber and the intracavity section area of the inner cavity rounding off of vertical section and horizontal segment are more than the intracavity section area of vertical section.
The front end face of the horizontal segment 50 of hollow housing is equipped with air inlet end cap 56, and air inlet end cap 56 is equipped with multiple through tubes
55.For 56 interference spiral-lock of air inlet end cap on the front opening of horizontal segment 50, the endoporus 52 of through tube 55 will be hollow as air admission hole
Housing cavity is connected to outside, and the endoporus of multiple through tubes collectively forms the inlet channel of air inlet box 5.Multiple through tubes 55 are mutual
Parallel and be decorated in array, the length of multiple through tubes 55 and endoporus aperture are different.In order to enable air inlet box horizontal segment
Concordantly without being interfered with outside body part, through tube 55 extends internally front end face from air inlet end cap.
The lower end of the vertical section 51 of hollow housing is equipped with air inlet box gas outlet 53, air inlet box gas outlet 53 and air filter air inlet
Mouth connection.Water conservancy diversion grid 54 is equipped in hollow housing at the lower port of vertical section 51 i.e. air inlet box gas outlet position.It leads
The structure of grid 54 is flowed as shown in figure 5, including three donuts 541 and five successively radially connected three donuts
Vertical section lower ending opening is divided into multiple individual channels for the gas in air inlet box by 541 radial fins 542, water conservancy diversion grid 54
Stream passes through and enters in air filter 1, and air-flow can be avoided to generate vortex when entering in air filter from air inlet box in this way, can be made
Air can smoothly enter into air filter and to engine tonifying Qi.Certainly, the quantity of the donut of water conservancy diversion grid and radial wing are constituted
The quantity of piece can select to be arranged according to the size of air inlet box gas outlet, such as the quantity of donut may be two or four
A, the quantity of radial fins can be four or six etc., be not especially limited herein.
In the present embodiment, in order to ensure that the structural strength of horizontal segment, the outer surface of rectangular horizontal section are additionally provided with around outer
The reinforcing rib of surface setting.
When in use, outside air enters air inlet box inner cavity to the air inlet system for vehicle of the present invention by the endoporus of through tube,
It flow to vertical section by horizontal segment commutation and enter air filter from the outlet of air inlet box, subsequently into engine.Pass through through tube
Endoporus collectively form inlet channel as the endoporus of air admission hole, multiple through tubes, extraneous larger sundries can be avoided to enter
Gas handling system plays certain filtration.Through tube is mutually parallel and is decorated in array, and can lead into air inlet box
Air flow direction avoids the generation of vortex, keeps air inlet more smooth.Air inlet box gas outlet position be arranged water conservancy diversion grid, can to from
The air-flow that horizontal segment flow to vertical section after commutation carries out guiding combing, and vortex is generated when air being avoided to enter air filter.
For the noise that engine work generates when being propagated outward by air inlet box, sound wave enters vertical section by air inlet box gas outlet, then passes through
Horizontal segment is crossed finally to spread out of outward from the inlet channel of horizontal segment front end.In the process, water conservancy diversion grid is formed by channel, erects
Straight section inner cavity, horizontal segment inner cavity and unequal, the sound wave by multiple inner cavity areas for penetrating through the air admission hole that pipe orifices are constituted
Repeatedly variation occurs for acoustic impedance on propagation path, and most of noise emission is made to go back, the noise really spread out of by inlet channel
Very few, the length and diameter of bore of especially multiple through tubes are different, can filter the sound wave of very big frequency range, also make
Acoustic impedance variation of the noise in communication process is violent, and noise reduction is preferable.
Certainly, the air inlet box of vehicle of the invention is not limited in above-mentioned embodiment, in other embodiments, in
Empty capsid can be linear or waveform or other bending shapes, however it is not limited to the L-type in the present embodiment；The water of hollow housing
The area of section of flat section and vertical section can be equal, and cross sectional shape can also be equal, air admission hole can with length not equal, internal diameter phase
Deng, or can also internal diameter it is different, equal length can reduce manufacture difficulty and production cost in this way, but damage noise reduction effect
Fruit.
In other embodiments, during fabrication, can be height in the two sides with certain thickness and thickness direction
Multiple parallel through-holes are processed on the plate of uneven curved surface, through-hole diameter etc. is mounted on the front end of horizontal segment after processing is completed
At mouthful, such through-hole just constitutes the air admission hole of air inlet box.
The embodiment of the gas handling system of the present invention：Its concrete structure is identical as the gas handling system in above-mentioned vehicle embodiments,
Details are not described herein again.
The embodiment of the air inlet box of the present invention：Its concrete structure is identical as the air inlet box in above-mentioned vehicle embodiments, herein
It repeats no more.
Claims (10)
1. a kind of air inlet box, which is characterized in that including hollow housing, the one side of hollow housing is external and hollow equipped with connection
The inlet channel of housing cavity, the inlet channel are made of multiple air admission holes, and the length and/or internal diameter of multiple air admission holes are not
Another side Deng, hollow housing is equipped with the gas outlet for being connected to air filter, and the inner cavity of hollow housing is formed for air
The channel for entering from inlet channel, being flowed out from gas outlet.
2. air inlet box according to claim 1, which is characterized in that the side of hollow housing be equipped with multiple connections outside and
The through tube of hollow housing inner cavity, the air admission hole are made of the endoporus of through tube.
3. air inlet box according to claim 2, which is characterized in that multiple through tubes are mutually parallel and are decorated in array.
4. air inlet box according to claim 1 or 2 or 3, which is characterized in that the hollow housing is with horizontal segment and to erect
The L-type shell of straight section, inlet channel and gas outlet are located at the end of horizontal segment and vertical section, air from inlet channel into
It is flowed out from gas outlet by steering after entering.
5. air inlet box according to claim 4, which is characterized in that inner cavity of the intracavity section product of horizontal segment more than vertical section
Sectional area.
6. air inlet box according to claim 5, which is characterized in that the cross sectional shape of horizontal segment is rectangle, and vertical section is cut
Face shape is circle.
7. air inlet box according to claim 6, which is characterized in that the round and smooth mistake in the inner cavity of horizontal segment and the inner cavity of vertical section
It crosses.
8. air inlet box according to claim 7, which is characterized in that water conservancy diversion grid is equipped at the gas outlet of vertical section end,
The water conservancy diversion grid includes more than two donuts and the radial fins for being sequentially connected each donut.
9. a kind of gas handling system, including air filter, which is characterized in that the air inlet of the air filter is installed just like claim 1-
Air inlet box described in 8 any one.
10. a kind of vehicle, including engine aspirating system, the engine aspirating system includes air filter, which is characterized in that institute
It states and is installed just like the air inlet box described in claim 1-8 any one on the air inlet of air filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710087613.7A CN108457777B (en) | 2017-02-17 | 2017-02-17 | Air inlet box, air inlet system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710087613.7A CN108457777B (en) | 2017-02-17 | 2017-02-17 | Air inlet box, air inlet system and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108457777A true CN108457777A (en) | 2018-08-28 |
| CN108457777B CN108457777B (en) | 2023-09-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710087613.7A Active CN108457777B (en) | 2017-02-17 | 2017-02-17 | Air inlet box, air inlet system and vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN108457777B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339995A (en) * | 2018-10-12 | 2019-02-15 | 厦门金龙旅行车有限公司 | A kind of air inlet transfer box with decrease of noise functions |
| CN113294273A (en) * | 2021-04-23 | 2021-08-24 | 江门市大长江集团有限公司 | Motorcycle, air filter assembly and air inlet joint |
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