CN107939567A - A kind of supercharging turbine of automobile engine muffler - Google Patents
A kind of supercharging turbine of automobile engine muffler Download PDFInfo
- Publication number
- CN107939567A CN107939567A CN201711316917.2A CN201711316917A CN107939567A CN 107939567 A CN107939567 A CN 107939567A CN 201711316917 A CN201711316917 A CN 201711316917A CN 107939567 A CN107939567 A CN 107939567A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- bend pipe
- muffler
- automobile engine
- supercharging turbine
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
- 239000010959 steel Substances 0.000 claims abstract description 49
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 15
- 238000007689 inspection Methods 0.000 claims description 9
- 230000008030 elimination Effects 0.000 claims description 5
- 238000003379 elimination reaction Methods 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 230000003584 silencer Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims 4
- 238000003466 welding Methods 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
A kind of supercharging turbine of automobile engine muffler, including housing, bend pipe steel pipe, ring flange, flange bolt, the supercharging turbine of automobile engine muffler C is by ring flange on the outlet(discharge) flange of supercharger air compressor D, and it is bolted fixation with flange, bend pipe steel pipe is a bend pipe, justifies H in the cylindrical setting wave of bend pipe steel pipe right end, reed opening K is set in the middle part of bend pipe steel pipe, the cylindrical setting housing in the middle part of bend pipe steel pipe, ring flange is set in bend pipe steel pipe left end；The supercharging turbine of automobile engine muffler C is welded and formed by three kinds of housing, bend pipe steel pipe and ring flange assembling parts.It is big and small to gas-flow resistance that the inventive structure is novel, high, muffler of replacing convenient and efficient, fixed reliability has that frequency selectivity is strong, middle low frequency is eliminated the noise, applied in technical field of automobile engine.
Description
Technical field
The present invention relates to a kind of supercharging turbine of automobile engine noise reduction in turbosupercharger of car engine technical field
Device.
Background technology
At present, as the lifting of people's living standard, automobile have entered into huge numbers of families as staple commodities.And internal vapor
Expanding increasingly for car production capacity makes the competition between major whole-car firm more and more fierce.Under such market environment, automobile
Performance boost, cost control fall over each other focus of attention into manufacturer.Turbocharged engine can not only improve the torsion of engine
Square and power, improve fuel economy, also reduce exhaust emissions to a certain extent, also applied on more and more gasoline engines
Turbocharging technology.High frequency, the aerodynamic noise of wideband of turbo charge system generation are of increased attention.Whirlpool
Wheel booster can deteriorate the sound quality of in-car in the sharp noise of lower generation high frequency that runs at high speed, also influence vehicle by making an uproar
Sound.Air inlet filter and air inlet pipeline can effectively reduce the noise of compressor inlet, but the height of blower outlet
Frequency noise is not decayed.Therefore, it is always anxious to be resolved to develop a kind of supercharging turbine of automobile engine muffler
New problem.
The content of the invention
It is an object of the invention to provide a kind of supercharging turbine of automobile engine muffler, which is the reed by slotting
With one closed outside pipe cavity composition, reed and cavity form an elastic oscillating system, when the audio frequency wave band and altogether of air-flow
When the intrinsic frequency for chamber vibrational system of shaking is identical, resonating, the air column movement velocity with certain mass is accelerated in cavity,
Frictional resistance increase, a large amount of acoustic energy are converted into thermal energy consumption and fall, and achieve the purpose that noise elimination.
The object of the present invention is achieved like this：A kind of supercharging turbine of automobile engine muffler, including housing, bend pipe steel
Pipe, ring flange, flange bolt, the supercharging turbine of automobile engine muffler C are calmed the anger by ring flange installed in booster
On the outlet(discharge) flange of machine D, and fixation is bolted with flange, bend pipe steel pipe is a bend pipe, is set bend pipe steel pipe right end is cylindrical
Wave circle H is put, reed opening K, the cylindrical setting housing in the middle part of bend pipe steel pipe, in bend pipe steel pipe are set in the middle part of bend pipe steel pipe
Left end sets ring flange；
The supercharging turbine of automobile engine muffler C is by three kinds of housing, bend pipe steel pipe and ring flange assembling parts welding
Formed, bend pipe diameter of steel tube 42mm, diameter of the housing 64mm, case width 35mm, reed opening K width 4.5mm；
It is that frequency peak concentrates 2068-2110Hz models that the supercharging turbine of automobile engine muffler C, which transmits loss test,
In enclosing, it is 33.5dB to transmit loss amplitude, is 170Hz more than 20dB frequency bandwidths, silencer acoustical behavior meets design requirement；
1.5T gasoline engine vehicles NVH is tested, under third gear full throttle engine speed 1000-5000rpm operating modes, before muffler is installed
Driver's cabin maximum noise is 43dB, and driver's cabin maximum noise is 30dB after installing muffler, and noise improves obvious；
The operation principle of the supercharging turbine of automobile engine muffler C is that supercharging turbine of automobile engine muffler C is by opening
The outer closed cavity of reed and pipe of groove forms, and reed and cavity form an elastic oscillating system, when the audio frequency of air-flow
Wave band resonates when identical with the intrinsic frequency of elastic oscillating system, has the air column movement velocity of certain mass in cavity
Accelerate, frictional resistance increase, a large amount of acoustic energy are converted into thermal energy consumption and fall, and achieve the purpose that noise elimination；
The processing of the supercharging turbine of automobile engine muffler C and assembling flow path are：First, the work flow of bend pipe steel pipe
It is steel pipe ware-house-in inspection, blanking, breaks curved, fluting；Second, the work flow of housing is, steel pipe ware-house-in inspection, blanking, water rises into
Type；Third, the work flow of ring flange is, steel plate ware-house-in inspection, blanking, machine adds drilling；Parts assembling flow path is, in bend pipe
Case weld is installed, mounting flange welds on bend pipe steel pipe on steel pipe.
The present invention is characterized by its structure and working principle.
A kind of supercharging turbine of automobile engine muffler compared with prior art, have structure is novel, it is convenient and efficient to replace,
Fixed reliability is high, the muffler has the advantages that frequency selectivity is strong, middle low frequency noise elimination is big and small to gas-flow resistance, will be extensive
Applied in technical field of automobile engine.
Brief description of the drawings
The present invention is described in detail with reference to the accompanying drawings and embodiments.
Fig. 1 is the structure diagram of invention.
Fig. 2 is the location drawing installed in automobile engine of the present invention.
Fig. 3 is the top perspective view of Fig. 1.
Fig. 4 is the A-A sectional views of Fig. 3.
Fig. 5 is the B-B cutaway view Amplified images of Fig. 4.
Fig. 6 is the noise effects figure of the prior art.
Fig. 7 is noise effects figure after improvement of the invention.
Embodiment
Referring to the drawings, a kind of supercharging turbine of automobile engine muffler, including housing 1, bend pipe steel pipe 2, ring flange 3, method
Blue bolt 4, the supercharging turbine of automobile engine muffler C are installed on the outlet method of supercharger air compressor D by ring flange 3
Lan Shang, and connected and fixed with flange bolt 4, bend pipe steel pipe 2 is a bend pipe, is justified in the cylindrical setting wave of 2 right end of bend pipe steel pipe
H, reed opening K is set at the middle part of bend pipe steel pipe 2, in the cylindrical setting housing 1 in the middle part of bend pipe steel pipe 2, is set in 2 left end of bend pipe steel pipe
Put ring flange 3.
The supercharging turbine of automobile engine muffler C is by 3 three kinds of housing 1, bend pipe steel pipe 2 and ring flange part groups
Welding equipment connects to be formed, 2 diameter 42mm of bend pipe steel pipe, 1 diameter 64mm of housing, 1 width 35mm of housing, reed opening K width 4.5mm.
It is that frequency peak concentrates 2068- that the supercharging turbine of automobile engine muffler C, which transmits loss test,
In the range of 2110Hz, transmit loss amplitude be 33.5dB, more than 20dB frequency bandwidths be 170Hz (work time-frequency bandwidth be
200Hz), silencer acoustical behavior meets design requirement；1.5T gasoline engine vehicles NVH is tested, in third gear full throttle engine
Under rotating speed 1000-5000rpm operating modes, install muffler before driver's cabin maximum noise be 43dB, installation muffler after driver's cabin most
Big noise is 30dB, and noise improves obvious.
The operation principle of the supercharging turbine of automobile engine muffler C is supercharging turbine of automobile engine muffler C
It is made of the outer closed cavity of reed and pipe slotted, reed and cavity form an elastic oscillating system, when air-flow
Audio frequency wave band resonates when identical with the intrinsic frequency of elastic oscillating system, and the air column with certain mass moves in cavity
Speed is accelerated, and frictional resistance increase, a large amount of acoustic energy are converted into thermal energy consumption and fall, and achieve the purpose that noise elimination.
The processing of the supercharging turbine of automobile engine muffler C and assembling flow path are：First, the processing of bend pipe steel pipe 2
Flow is steel pipe ware-house-in inspection, blanking, is broken curved, fluting；Second, the work flow of housing 1 is, and steel pipe ware-house-in inspection, blanking, water
Rise shaping；Third, the work flow of ring flange 3 is, steel plate ware-house-in inspection, blanking, machine adds drilling；Parts assembling flow path is,
Housing 1, welding, the mounting flange 3 on bend pipe steel pipe 2, welding are installed on bend pipe steel pipe 2.
Claims (5)
1. a kind of supercharging turbine of automobile engine muffler, including housing, bend pipe steel pipe, ring flange, flange bolt, its feature exist
In：The supercharging turbine of automobile engine muffler C is installed on by ring flange on the outlet(discharge) flange of supercharger air compressor D,
And fixation is bolted with flange, bend pipe steel pipe is a bend pipe, justifies H in the cylindrical setting wave of bend pipe steel pipe right end, in bend pipe
Reed opening K is set in the middle part of steel pipe, and the cylindrical setting housing in the middle part of bend pipe steel pipe, ring flange is set in bend pipe steel pipe left end.
A kind of 2. supercharging turbine of automobile engine muffler according to claim 1, it is characterised in that：The automobile hair
Motivation turbocharging muffler C is welded and formed by three kinds of housing, bend pipe steel pipe and ring flange assembling parts, bend pipe diameter of steel tube
42mm, diameter of the housing 64mm, case width 35mm, reed opening K width 4.5mm.
A kind of 3. supercharging turbine of automobile engine muffler according to claim 1, it is characterised in that：The automobile hair
It is that frequency peak is concentrated in the range of 2068-2110Hz that motivation turbocharging muffler C, which transmits loss test, transmits loss amplitude
It is 170Hz more than 20dB frequency bandwidths for 33.5dB, silencer acoustical behavior meets design requirement；To 1.5T gasoline engine vehicles
NVH is tested, and under third gear full throttle engine speed 1000-5000rpm operating modes, driver's cabin maximum noise is before installing muffler
43dB, driver's cabin maximum noise is 30dB after installing muffler, and noise improves obvious.
A kind of 4. supercharging turbine of automobile engine muffler according to claim 1, it is characterised in that：The automobile hair
The operation principle of motivation turbocharging muffler C is, supercharging turbine of automobile engine muffler C is by the reed and pipe outer one slotted
A closed cavity composition, reed and cavity form an elastic oscillating system, audio frequency wave band and elastic vibration system when air-flow
Resonate when the intrinsic frequency of system is identical, the air column movement velocity with certain mass is accelerated in cavity, and frictional resistance increases
Add, a large amount of acoustic energy are converted into thermal energy consumption and fall, and achieve the purpose that noise elimination.
A kind of 5. supercharging turbine of automobile engine muffler according to claim 1, it is characterised in that：The automobile hair
The processing of motivation turbocharging muffler C and assembling flow path are：First, the work flow of bend pipe steel pipe is, steel pipe ware-house-in inspection,
Blanking, breaks curved, fluting；Second, the work flow of housing is, steel pipe ware-house-in inspection, blanking, water rises shaping；Third, ring flange adds
Work flow is steel plate ware-house-in inspection, blanking, and machine adds drilling；Parts assembling flow path is that housing weldering is installed on bend pipe steel pipe
Connect, mounting flange welds on bend pipe steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711316917.2A CN107939567A (en) | 2017-12-12 | 2017-12-12 | A kind of supercharging turbine of automobile engine muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711316917.2A CN107939567A (en) | 2017-12-12 | 2017-12-12 | A kind of supercharging turbine of automobile engine muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107939567A true CN107939567A (en) | 2018-04-20 |
Family
ID=61943892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711316917.2A Pending CN107939567A (en) | 2017-12-12 | 2017-12-12 | A kind of supercharging turbine of automobile engine muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107939567A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000065280A (en) * | 1998-08-12 | 2000-03-03 | Kiyoshi Tanaka | Water pressure stabilizer |
| WO2008084782A1 (en) * | 2007-01-12 | 2008-07-17 | Calsonic Kansei Corporation | Pulsation absorbing device and muffler |
| JP2009264319A (en) * | 2008-04-28 | 2009-11-12 | Denso Corp | Muffling device |
| CN204299679U (en) * | 2014-11-24 | 2015-04-29 | 江阴标榜汽车部件有限公司 | Low noise pressurized air pipe assembly |
| WO2017171316A2 (en) * | 2016-03-28 | 2017-10-05 | 엘에스엠트론 주식회사 | Noise reduction device for vehicle |
| CN207761850U (en) * | 2017-12-12 | 2018-08-24 | 沈阳航天三菱汽车发动机制造有限公司 | A kind of supercharging turbine of automobile engine muffler |
-
2017
- 2017-12-12 CN CN201711316917.2A patent/CN107939567A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000065280A (en) * | 1998-08-12 | 2000-03-03 | Kiyoshi Tanaka | Water pressure stabilizer |
| WO2008084782A1 (en) * | 2007-01-12 | 2008-07-17 | Calsonic Kansei Corporation | Pulsation absorbing device and muffler |
| JP2009264319A (en) * | 2008-04-28 | 2009-11-12 | Denso Corp | Muffling device |
| CN204299679U (en) * | 2014-11-24 | 2015-04-29 | 江阴标榜汽车部件有限公司 | Low noise pressurized air pipe assembly |
| WO2017171316A2 (en) * | 2016-03-28 | 2017-10-05 | 엘에스엠트론 주식회사 | Noise reduction device for vehicle |
| CN207761850U (en) * | 2017-12-12 | 2018-08-24 | 沈阳航天三菱汽车发动机制造有限公司 | A kind of supercharging turbine of automobile engine muffler |
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| PB01 | Publication | ||
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