CN206555042U - Air inlet guiding device and booster air inlet pipe - Google Patents
Air inlet guiding device and booster air inlet pipe Download PDFInfo
- Publication number
- CN206555042U CN206555042U CN201720072515.1U CN201720072515U CN206555042U CN 206555042 U CN206555042 U CN 206555042U CN 201720072515 U CN201720072515 U CN 201720072515U CN 206555042 U CN206555042 U CN 206555042U
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- CN
- China
- Prior art keywords
- air inlet
- outer shroud
- blade
- guiding device
- inlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of air inlet guiding device, including cylindric outer shroud, with outer shroud flange connector seat and the blade assembly in the outer shroud, the one end of the outer shroud away from the flanged housing is provided with the angle of wedge, the blade assembly includes the blade that even number isosceles trapezoid and arc are distorted, blade described in even number is evenly distributed on the inwall of the outer shroud, the thickness of any blade is uniformly distributed, the root of any blade and the inwall of the outer shroud are connected smoothly with chamfering, the extended line that the center of circle of the outer shroud passes through the center line of the cross section of any blade.The air inlet guiding device can make the cleaned air entered before engine when by booster, and the effect of vortex is produced due to the guiding of air-flow, so that the noise that effectively reduction air-flow is produced in flow process in itself.The utility model also provides a kind of booster air inlet pipe using above-mentioned air inlet guiding device.
Description
Technical field
The utility model is related to technical field of automobile parts, more particularly to a kind of air inlet guiding device and booster
Air inlet pipe.
Background technology
As economic develops rapidly, the manufacture and usage amount of automobile are greatly promoted, and it is daily that automobile has become people
The indispensable transit equipment of life, the wherein market accounting of commercial car is also constantly increasing.
Booster in engine is the chief component of automobile, and it increases air inflow by compressed air, so that
Improve the power moment of torsion of engine.It is the waste gas inertia impulsive force discharged using engine to promote the turbine in turbine room, whirlpool
Wheel drives coaxial impeller again, and the air that impeller force feed is sent by air cleaner pipeline is allowed to supercharging and enters cylinder.
Cleaned air directly enters booster by air duct, can produce certain noise, especially in commercial car or again
In type truck, intake system noise situation is more serious, and NVH (noise, vibration and sound vibration roughness) index is often exceeded, serious shadow
The usage experience of user is rung, while also having manufactured noise pollution to city.
Utility model content
Based on this, a purpose of the present utility model, which is that proposition is a kind of, can reduce the air inlet guiding device of noise.
The utility model provides a kind of air inlet guiding device, including cylindric outer shroud, located at the outer shroud arrival end
Flanged housing, and located at the blade assembly of the outer shroud inwall, the port of export of the outer shroud is provided with the angle of wedge, the blade assembly bag
The blade of even number isosceles trapezoid and arc distortion is included, blade described in even number is evenly distributed on the inwall of the outer shroud, often
Blade described in one is smoothly distorted clockwise from the arrival end to the port of export, and the radial thickness of each blade is uniform
Distribution, the root of each blade and the inwall of the outer shroud are connected smoothly with chamfering, and the center of circle of the outer shroud passes through
The extended line of the center line of the cross section of any blade.
Above-mentioned air inlet guiding device, is applied in booster air inlet pipe, because outer shroud inwall is provided with even number isosceles ladder
Shape and the blade of arc distortion, each blade are smoothly distorted clockwise from outer shroud arrival end to the outer shroud port of export, can make entrance
Cleaned air before engine produces the effect of vortex due to the guiding of air-flow, so as to effectively reduce when by booster
The noise that air-flow is produced in flow process in itself, by fluid simulation analysis and experimental verification, certain heavy truck install additional into
NVH index highests after gas port guiding device reduce 5% or so, and noise reduction is notable.
In addition, the air inlet guiding device provided according to the utility model, can also have technical characteristic additional as follows：
Further, the height of any blade is the 1/2 of the internal diameter of the outer shroud, and any blade is with respect to institute
State the center of circle and reverse 28 °.
Further, the blade assembly, the outer shroud and the flanged housing are integrally formed.
Further, the angle of the angle of wedge is 60 °.
Further, the quantity of the blade is 4.
Meanwhile, the utility model also provides a kind of booster air inlet pipe using above-mentioned air inlet guiding device, described
Air inlet guiding device is arranged at the mouth of pipe of the booster air inlet pipe.
Brief description of the drawings
Fig. 1 be the embodiment of the utility model one in engine structural representation；
Fig. 2 is the booster air inlet pipe and the combining structure schematic diagram of air inlet guiding device in Fig. 1；
Fig. 3 is the dimensional structure diagram of air inlet guiding device in Fig. 2；
Fig. 4 is the cross section structure schematic diagram of air inlet guiding device in Fig. 2；
Fig. 5 is the positive structure diagram of air inlet guiding device in Fig. 2；
Fig. 6 is the noise level comparison diagram before and after the air inlet guiding device in certain heavy truck installation diagram 2；
Fig. 7 is the structural representation of booster air inlet pipe in Fig. 2；
Fig. 8 is the enlarged drawing of Fig. 7 centre circle II parts.
Embodiment
To enable the purpose of this utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this practicality
New embodiment is described in detail.Some embodiments of the present utility model are given in accompanying drawing.But, this practicality
It is new to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
The purpose of example be make to disclosure of the present utility model more it is thorough comprehensively.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
" right side ", " on ", " under " and similar statement for illustrative purposes only, rather than indicate or implied signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.Term as used herein " and/or " include one or more related Listed Items
Arbitrary and all combination.
Referring to Fig. 1, the engine that the embodiment of the utility model one is provided, for the ease of description the utility model, is only arranged
Go out the part related to the utility model, the engine includes supercharger inlet 11 and is connected with the supercharger inlet 11
Booster air inlet pipe 12.Specifically in the present embodiment, the booster air inlet pipe 12 uses cast aluminium pipe, can specifically pass through
One sebific duct connects supercharger inlet 11 and booster air inlet pipe 12, and is fixed by clip.
Referring to Fig. 2, being provided with air inlet guiding device 13 at the mouth of pipe of booster air inlet pipe 12.
Referring to Fig. 3, the air inlet guiding device 13 includes cylindric outer shroud 131, located at the entrance of outer shroud 131
The flanged housing 132 at end, and located at the blade assembly 133 of the inwall of outer shroud 131.The thickness of the outer shroud 131 is 2mm.
Referring to Fig. 4, the port of export (i.e. one end away from the flanged housing 132) of the outer shroud 131 is provided with the angle of wedge, can
Gentle transition is so as to reduce flow losses when guiding air-flow is flowed through herein out of pipe, specifically in the present embodiment, the angle of wedge
Angle is 60 °.
Fig. 3 and Fig. 5 is referred to, the blade assembly 133 includes the blade 1331 that even number isosceles trapezoid and arc are distorted,
Blade 1331 described in even number is evenly distributed on the inwall of the outer shroud 131, and each blade 1331 is from the outer shroud 131
Arrival end is smoothly distorted clockwise to the port of export of outer shroud 131, specifically in the present embodiment, and the quantity of the blade 1331 is
4.The radial thickness of each blade 1331 is uniformly distributed, in the present embodiment, and the radial thickness of the blade 1331 is
1.5mm, the height H of each blade 1331 is the 1/2 of the internal diameter of the outer shroud 131, the root of each blade 1331
It is connected smoothly with the inwall of the outer shroud 131 with chamfering, the center of circle of the outer shroud 131 passes through any blade 1331
The extended line L1 of the center line of cross section, and the center of circle of the relatively described outer shroud 131 of any blade 1331 reverses 28 °.
Referring to Fig. 6, being illustrated by taking certain heavy truck as an example, booster air inlet pipe 12 is installing air inlet guiding device
Noise level contrast before and after 13, wherein, With out IGV, which are represented, does not install air inlet guiding device 13, and With IGV are represented
Air inlet guiding device 13 is mounted with, experiment have chosen usual range of the engine in rotating speed 700r/min to 2000r/min, by
The two noise curve can be seen that, installs NVH performance highests after air inlet guiding device 13 and reduces 5% or so.Therefore, the air inlet
Mouth guiding device 13, can make the cleaned air entered before engine when by booster, be produced due to the guiding of air-flow
The effect of vortex, so that the noise that effectively reduction air-flow is produced in flow process in itself, is analyzed and tested by fluid simulation
Checking, NVH index highest of certain heavy truck after air inlet guiding device 13 is installed additional reduces 5% or so, and noise reduction shows
Write.
In addition, in the present embodiment, the blade assembly 133, the outer shroud 131 and the flanged housing 132 are integrally formed, tool
Body can be using PA materials according to structure design injection molding.
The flanged housing 132 is conical structure, the maximum gauge of the flanged housing 132 and the booster air inlet pipe 12
The mouth of pipe external diameter it is identical, be easy to assembling after judge assemble whether in place.
Referring to Fig. 3, the symmetry direction of the outer wall of the outer shroud 131 is provided with opening 1311 and boss 1312, wherein, open
Mouth 1311 is specially square aperture, and the position of opening 1311 is located at about the 1/4 of the drum length of outer shroud 131, the hole of opening 1311
Length is about the 1/5 of the external diameter of outer shroud 131, and width is the 1/3 of length, and boss 1312 runs through whole outer shroud 13, the boss 1312
Height be the 1/3 of the thickness of the outer shroud 131, specifically, the height of boss 1312 is 0.6mm, the width of boss 1312 is about etc.
In the width of opening 1311.
Fig. 7 and Fig. 8 is referred to, the inwall of the mouth of pipe of the booster air inlet pipe 12 is provided with back-off 121 and groove 122,
Back-off 121 and groove 122 can be added in the casting process of cast aluminium pipe, and the opening 1311 and the back-off 121 match,
The boss 1312 and the groove 122 match.In the present embodiment, back-off 121 is specially the strip bulge of triangular-section,
Height of projection is not less than the 1/2 of the cylinder thickness of outer shroud 131, slightly larger than the boss 1312 of the outer wall of outer shroud 131, in order to install.
Back-off 121 is caught in the opening 1311 of the outer wall of outer shroud 131, and the boss 1312 of the outer wall of outer shroud 131 is caught in
In groove 122, one end outer rim of air inlet guiding device 13 is fitted with the mouth of pipe of booster air inlet pipe 12.During assembling, by outer shroud 131
A pair of projections 1312 of outer wall a pair of grooves 122 on the inwall of the mouth of pipe of alignment pipe booster air inlet pipe 12 simultaneously, it is perpendicularly inward
Push-in, when back-off 121 is completely into the pipe at opening 1311, and the maximum gauge of flanged housing 132 with booster air inlet pipe 12
During mouth alignment, that is, ensure that blade is installed in place.
The present embodiment on the outer wall of outer shroud 131 by setting opening 1311 and boss 1312 simultaneously, in booster air inlet
The back-off 121 and groove 122 matched is set on the inwall of the mouth of pipe of pipe 12, and simple installation is reliable, while can guarantee that prevents again
The device for elimination of axial-and radial-play of air inlet guiding device 13, improving stability, it is ensured that the effect of noise reduction.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of air inlet guiding device, includes outer shroud, the flanged housing located at the outer shroud arrival end of cylindrical shape, and located at institute
State the blade assembly of outer shroud inwall, it is characterised in that the port of export of the outer shroud is provided with the angle of wedge, the blade assembly includes even number
Individual isosceles trapezoid and the blade of arc distortion, blade described in even number are evenly distributed on the inwall of the outer shroud, each described
Blade is smoothly distorted clockwise from the arrival end to the port of export, and the radial thickness of each blade is uniformly distributed,
The root of each blade and the inwall of the outer shroud are connected smoothly with chamfering, and the center of circle of the outer shroud passes through any institute
State the extended line of the center line of the cross section of blade.
2. air inlet guiding device according to claim 1, it is characterised in that the height of any blade is described outer
The 1/2 of the internal diameter of ring, and the relatively described center of circle of any blade reverses 28 °.
3. air inlet guiding device according to claim 1, it is characterised in that the blade assembly, the outer shroud and institute
Flanged housing is stated to be integrally formed.
4. air inlet guiding device according to claim 1, it is characterised in that the angle of the angle of wedge is 60 °.
5. air inlet guiding device according to claim 1, it is characterised in that the quantity of the blade is 4.
6. a kind of booster air inlet pipe, it is characterised in that including the air inlet water conservancy diversion dress described in claim 1 to 5 any one
Put, the air inlet guiding device is arranged at the mouth of pipe of the booster air inlet pipe.
7. booster air inlet pipe according to claim 6, it is characterised in that set on the symmetry direction of the outer wall of the outer shroud
There are opening and boss, the inwall of the mouth of pipe of the booster air inlet pipe is provided with back-off and groove, the opening and the back-off
Match, the boss and the groove match.
8. booster air inlet pipe according to claim 7, it is characterised in that the boss runs through the outer wall of the outer shroud,
The height of the boss is the 1/3 of the thickness of the outer shroud.
9. booster air inlet pipe according to claim 6, it is characterised in that the flanged housing is conical structure, described
The maximum gauge of flanged housing is identical with the external diameter of the mouth of pipe of the booster air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720072515.1U CN206555042U (en) | 2017-01-20 | 2017-01-20 | Air inlet guiding device and booster air inlet pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720072515.1U CN206555042U (en) | 2017-01-20 | 2017-01-20 | Air inlet guiding device and booster air inlet pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206555042U true CN206555042U (en) | 2017-10-13 |
Family
ID=60360033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720072515.1U Expired - Fee Related CN206555042U (en) | 2017-01-20 | 2017-01-20 | Air inlet guiding device and booster air inlet pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206555042U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837623A (en) * | 2017-01-20 | 2017-06-13 | 江铃汽车股份有限公司 | Air inlet guiding device and booster air inlet pipe |
| CN111556926A (en) * | 2018-01-10 | 2020-08-18 | Abb涡轮系统有限公司 | Filter muffler for an exhaust gas turbocharger of an internal combustion engine |
| CN111853939A (en) * | 2020-07-09 | 2020-10-30 | 珠海格力电器股份有限公司 | Air conditioner and air outlet control method thereof |
| CN112178764A (en) * | 2020-08-17 | 2021-01-05 | 珠海格力电器股份有限公司 | Air conditioner |
-
2017
- 2017-01-20 CN CN201720072515.1U patent/CN206555042U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837623A (en) * | 2017-01-20 | 2017-06-13 | 江铃汽车股份有限公司 | Air inlet guiding device and booster air inlet pipe |
| CN111556926A (en) * | 2018-01-10 | 2020-08-18 | Abb涡轮系统有限公司 | Filter muffler for an exhaust gas turbocharger of an internal combustion engine |
| CN111556926B (en) * | 2018-01-10 | 2022-03-22 | Abb瑞士股份有限公司 | Filter muffler for an exhaust gas turbocharger of an internal combustion engine |
| US11549471B2 (en) | 2018-01-10 | 2023-01-10 | Abb Schweiz Ag | Filter muffler for an exhaust gas turbocharger of an internal combustion engine |
| CN111853939A (en) * | 2020-07-09 | 2020-10-30 | 珠海格力电器股份有限公司 | Air conditioner and air outlet control method thereof |
| CN112178764A (en) * | 2020-08-17 | 2021-01-05 | 珠海格力电器股份有限公司 | Air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210423 Address after: 330001 No. 509 North Avenue, Yingbin Road, Jiangxi, Nanchang Patentee after: JIANGLING MOTORS Co.,Ltd. Address before: 330001 No. 509 North Avenue, Yingbin Road, Jiangxi, Nanchang Patentee before: JIANGLING MOTORS Co.,Ltd. Patentee before: JMC HEAVY DUTY VEHICLE Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20220120 |