CN107859549A - A kind of silencer and its manufacture method - Google Patents
A kind of silencer and its manufacture method Download PDFInfo
- Publication number
- CN107859549A CN107859549A CN201710901969.XA CN201710901969A CN107859549A CN 107859549 A CN107859549 A CN 107859549A CN 201710901969 A CN201710901969 A CN 201710901969A CN 107859549 A CN107859549 A CN 107859549A
- Authority
- CN
- China
- Prior art keywords
- chamber
- pipe
- dividing plate
- cylinder
- interpolation 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.)
- Granted
Links
- 230000003584 silencer Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000005192 partition Methods 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/12—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using spirally or helically shaped channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/083—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using transversal baffles defining a tortuous path for the gases or successively throttling gas flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/02—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate silencers in series
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a kind of silencer, including cylinder, it is separately positioned on the air inlet pipe at cylinder both ends, blast pipe, dividing plate is provided with the cylinder, the dividing plate includes first partition, second partition, 3rd dividing plate, cylinder is divided into first chamber by the dividing plate successively, second chamber, 3rd chamber and the 4th chamber, catalyzed conversion carrier is provided with the first chamber, interpolation pipe is additionally provided with the cylinder, the interpolation pipe includes the first interpolation pipe, second interpolation pipe, 3rd interpolation pipe, first interpolation pipe runs through first partition, second partition, 3rd dividing plate is set, second interpolation pipe, 3rd interpolation pipe is arranged in second chamber and the 3rd chamber through second partition.The present invention by silencer and the carrier close-coupled mode of catalyzed conversion, arrange, reduces cost so that silencer possesses cleaning of off-gas while having the function that acoustic attenuation performance by the space for saving automotive interior.
Description
Technical field
The present invention relates to technical field of automobile parts, more particularly to a kind of silencer and its manufacture method.
Background technology
High speed development and the improvement of people's living standards with Domestic Automotive Industry, city automobile owning amount increasingly increase
Add.However, automobile industry rise with development while great economic benefit is brought to China, also bring such as environmental pollution,
Noise pollution etc. needs to solve the problems, such as.
Various investigation and measurement result show that urban traffic noise is most important noise source in current urban environment, drop
The noise of low motor vehicles in itself is to reduce the most important most basic approach of urban environment noise, therefore is used as motor vehicles master
The control of the automobile self-noise of body becomes key.Engine noise is the Main Noise Sources of automobile, and gas extraction system is made an uproar
Sound is its main component again, and installation silencer is current most real effective noise reduction measure.
In order to solve the problems, such as tail gas pollution and noise problem that development of automobile brings, current most common method is exactly in vapour
Catalyzed conversion carrier and silencer are installed in the gas extraction system of car.Tail gas by catalyzed conversion carrier part occur chemical reaction from
And reaching the effect of cleaning of off-gas, muffler section is then responsible for reducing the noise of automobile, is the important composition for forming gas extraction system
Part.But all the time, catalyzed conversion carrier and silencer are generally all independent structures, not only in occupation of bigger sky
Between, financial cost is also higher, repairs increasingly complex.
The content of the invention
To overcome above-mentioned deficiency, the invention provides a kind of while have the integration of acoustic attenuation performance and tail gas clean-up performance
Silencer, and provide its manufacture method.
The technical solution adopted by the present invention is：A kind of silencer, including cylinder, it is separately positioned on the air inlet at cylinder both ends
Pipe, blast pipe, are provided with dividing plate in the cylinder, and the dividing plate includes first partition, second partition, the 3rd dividing plate, it is described every
Cylinder is divided into first chamber, second chamber, the 3rd chamber and the 4th chamber by plate successively, is provided with and urges in the first chamber
Change conversion carrier, interpolation pipe is additionally provided with the cylinder, the interpolation pipe includes the first interpolation pipe, the second interpolation pipe, the 3rd
Interpolation pipe, first interpolation pipe are set through first partition, second partition, the 3rd dividing plate, second interpolation pipe, in the 3rd
Intubation is arranged in second chamber and the 3rd chamber through second partition, and discharge orifice is provided with the 3rd dividing plate.
As the further setting of above-metioned scheme, first interpolation pipe is set for dust leg, in first interpolation pipe
Taper relief chamber is provided with, flight is provided with the male cone (strobilus masculinus) of institute's taper relief chamber, is set on the cone wall of the taper relief chamber
Discharge orifice is equipped with, first interpolation pipe is socketed on outside flight, and the caliber of the first interpolation pipe is straight in the cone mouth of taper relief chamber
Footpath is identical.
As the further setting of above-metioned scheme, the length of the first chamber is not less than the half of barrel lenght.
As the further setting of above-metioned scheme, the mouth of pipe of the air inlet pipe is extended in first chamber, and not with cylinder
Concordantly.
As the further setting of above-metioned scheme, the mouth of pipe of the blast pipe through the 3rd dividing plate set, and with the 3rd every
Plate is concordant.
As the further setting of above-metioned scheme, the cylinder is set for cylinder.
As the further setting of above-metioned scheme, it is filled with quieter material in the 4th chamber.
It is a kind of manufacture silencer method, a quarter of a diameter of barrel diameter of the air inlet pipe, described first every
Plate, second partition, the thickness of the 3rd dividing plate are identical, and the thickness of the catalyzed conversion carrier is not less than two points of first chamber length
One of, set between the male cone (strobilus masculinus) of the flight and taper relief chamber in out of plumb, and taper relief chamber and flight one
Shaping.
As the further setting of above-metioned scheme, it is in 30 ° of angles between the male cone (strobilus masculinus) of the flight and taper relief chamber, institute
The gross area for stating the discharge orifice on taper relief chamber is more than cone mouth area.
As the further setting of above-metioned scheme, the punching rate of discharge orifice is not less than 20% on the 3rd dividing plate.
Beneficial effects of the present invention are as follows：
1st, by the way that by silencer and the carrier close-coupled mode of catalyzed conversion, the space for saving automotive interior is arranged, reduction
Cost so that silencer possesses cleaning of off-gas while having the function that acoustic attenuation performance；
2nd, by the design of flight on taper relief chamber and its male cone (strobilus masculinus), expand and extend the space of silencer, carry
High acoustic attenuation performance.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
In figure：1st, cylinder；11st, first chamber；111st, catalyzed conversion carrier；12nd, second chamber；13rd, the 3rd chamber；14、
4th chamber；21st, first partition；22nd, second partition；23rd, the 3rd dividing plate；31st, the first interpolation pipe；311st, taper relief chamber；
312nd, flight；32nd, the second interpolation pipe；33rd, the 3rd interpolation pipe；4th, air inlet pipe；5th, blast pipe；6th, discharge orifice.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described further to the present invention.
As shown in figure 1, a kind of silencer, including cylinder 1, air inlet pipe 4, the blast pipe 5 at the both ends of cylinder 1 are separately positioned on,
Dividing plate is provided with the cylinder 1, described to include first partition 21, second partition 22, the 3rd dividing plate 23 every 2, the dividing plate 2 will
Cylinder 1 is divided into first chamber 11, second chamber 12, the 3rd chamber 13 and the 4th chamber 14 successively, in the first chamber 11
Catalyzed conversion carrier 111 is provided with, is additionally provided with interpolation pipe in the cylinder 1, the interpolation pipe includes the first interpolation pipe 31, the
Two interpolation pipes 32, the 3rd interpolation pipe 33, first interpolation pipe 31 is through first partition 21, second partition 22, the 3rd dividing plate 23
Set, second interpolation pipe 32, the 3rd interpolation pipe 33 are arranged at the chamber 13 of second chamber 12 and the 3rd through second partition 22
It is interior, it is provided with discharge orifice 6 on the 3rd dividing plate 23；
First interpolation pipe 31 is set for dust leg, and taper relief chamber 311, institute are provided with first interpolation pipe 31
Flight 312 is provided with the male cone (strobilus masculinus) of taper relief chamber 311, discharge orifice 6 is provided with the cone wall of the taper relief chamber 311,
First interpolation pipe 31 is socketed on outside flight 312, and the caliber of the first interpolation pipe 31 is straight in the cone mouth of taper relief chamber 311
Footpath is identical；
The length of the first chamber 11 is not less than the half of the length of cylinder 1, and the mouth of pipe of the air inlet pipe 4 extends to
In first chamber 11, and not concordant with cylinder 1, the mouth of pipe of the blast pipe 5 is set through the 3rd dividing plate 23, and with the 3rd dividing plate
23 is concordant, and the cylinder 1 is set for cylinder, and quieter material is filled with the 4th chamber 14.
A kind of method for manufacturing silencer, a quarter of the diameter of a diameter of cylinder 1 of the air inlet pipe 4, described first
Dividing plate 21, second partition 22, the thickness of the 3rd dividing plate 23 are identical, and the thickness of the catalyzed conversion carrier 111 is not less than the first chamber
The half of the length of room 11, set between the male cone (strobilus masculinus) of the flight 312 and taper relief chamber 311, and bore in out of plumb
Shape relief chamber 311 is integrally formed with flight 312.
It is in 30 ° of angles between the male cone (strobilus masculinus) of the flight 312 and taper relief chamber 311, on the taper relief chamber 311
The gross area of discharge orifice 6 is more than cone mouth area, and the punching rate of discharge orifice 6 is not less than 20% on the 3rd dividing plate 23.
The operation principle of the present invention is as follows：
After high velocity air enters in cylinder 1 from air inlet pipe 4, first chamber 11 is introduced into, passes through catalyzed conversion carrier 111
Catalytic conversion reaction is carried out, ensure that the efficiency of catalyzed conversion, the 4th chamber 14 is then entered by the first interpolation pipe 31, then by the
The discharge orifice 6 set on three dividing plates 23 enters the 3rd chamber 13, and produces shunting, and a part of gas is directly from the row of the 3rd chamber 13
To be discharged in tracheae 5, another part gas enters second chamber 12 by the second interpolation pipe 32, the 3rd interpolation pipe 33, then by second
Interpolation pipe 32, the 3rd interpolation pipe 33 return to the 3rd chamber 13, and are discharged in the blast pipe 5 by connecting the 3rd chamber 13.
When air-flow is imported by the first interpolation pipe 31, into taper relief chamber 311, set on the cone wall of taper relief chamber 311
The hole area summation of discharge orifice 6 be more than cone mouth area, small part air-flow flings the vertex of a cone discharge of taper relief chamber 311, remaining
Gas by taper relief chamber 311 cone wall oblique fire and along be arranged on cone wall on discharge orifice 6 spread, it is ensured that air-flow it is unimpeded
Property, serve depressurization；
Air-flow flows out from the discharge orifice 6 being arranged on the cone wall of taper relief chamber 311, into by being arranged on taper relief chamber
In the cavity that the interpolation pipe 31 of flight 312 and first set on 311 male cone (strobilus masculinus) is formed, because taper relief chamber 311 is cone
Shape structure, be advantageous to high pressure draught and form front-back staggered and diffusion with sound wave, and in the presence of flight 312, gas sound is carried out
Rotation and extension；Because the male cone (strobilus masculinus) of flight 312 and taper relief chamber 311 is in out of plumb setting, air-flow expands along flight 312
Scattered distance is more than air line distance, thus expands and extend the space of silencer, serves multiplying power noise elimination effect, and flight
312 and the optimum angle of the male cone (strobilus masculinus) of taper relief chamber 311 are 30 degree.
Above in conjunction with accompanying drawing to the present invention embodiment be explained in detail, but the present invention be not limited to it is above-mentioned
Embodiment, can also be before present inventive concept not be departed from those of ordinary skill in the art's possessed knowledge
Put that various changes can be made.
Claims (10)
1. a kind of silencer, including cylinder, it is separately positioned on air inlet pipe, the blast pipe at cylinder both ends, it is characterised in that：The cylinder
Dividing plate is provided with vivo, and the dividing plate includes first partition, second partition, the 3rd dividing plate, and the dividing plate splits cylinder successively
For first chamber, second chamber, the 3rd chamber and the 4th chamber, catalyzed conversion carrier is provided with the first chamber, it is described
It is additionally provided with interpolation pipe in cylinder, the interpolation pipe includes the first interpolation pipe, the second interpolation pipe, the 3rd interpolation pipe, and described first
Interpolation pipe through first partition, second partition, the 3rd dividing plate set, second interpolation pipe, the 3rd interpolation pipe through second every
Plate is arranged in second chamber and the 3rd chamber, and discharge orifice is provided with the 3rd dividing plate.
A kind of 2. silencer according to claim 1, it is characterised in that：First interpolation pipe is set for dust leg, institute
State and taper relief chamber is provided with the first interpolation pipe, flight is provided with the male cone (strobilus masculinus) of institute's taper relief chamber, the taper subtracts
Press and be provided with discharge orifice on the cone wall of chamber, first interpolation pipe is socketed on outside flight, and the caliber of the first interpolation pipe is in taper
The cone mouth diameter of relief chamber is identical.
A kind of 3. silencer according to claim 1, it is characterised in that：The length of the first chamber is grown not less than cylinder
The half of degree.
A kind of 4. silencer according to claim 1, it is characterised in that：The mouth of pipe of the air inlet pipe extends to first chamber
It is interior and not concordant with cylinder.
A kind of 5. silencer according to claim 1, it is characterised in that：The mouth of pipe of the blast pipe is set through the 3rd dividing plate
Put, and it is concordant with the 3rd dividing plate.
A kind of 6. silencer according to claim 1, it is characterised in that：The cylinder is set for cylinder.
A kind of 7. silencer according to claim 1, it is characterised in that：Quieter material is filled with 4th chamber.
8. a kind of method of silencer any one of manufacturing claims 1 to 7, it is characterised in that：The air inlet pipe it is straight
Footpath is a quarter of barrel diameter, and the first partition, second partition, the thickness of the 3rd dividing plate are identical, the catalyzed conversion
The thickness of carrier is not less than the half of first chamber length, in not between the flight and the male cone (strobilus masculinus) of taper relief chamber
It is vertically arranged, and taper relief chamber is integrally formed with flight.
A kind of 9. method for manufacturing silencer according to claim 8, it is characterised in that：The flight and taper relief chamber
Male cone (strobilus masculinus) between be in 30 ° of angles, the gross area of the discharge orifice on the taper relief chamber is more than cone mouth area.
A kind of 10. method for manufacturing silencer according to claim 8, it is characterised in that：Discharge orifice on 3rd dividing plate
Punching rate is not less than 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710901969.XA CN107859549B (en) | 2017-09-28 | 2017-09-28 | Silencer and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710901969.XA CN107859549B (en) | 2017-09-28 | 2017-09-28 | Silencer and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107859549A true CN107859549A (en) | 2018-03-30 |
| CN107859549B CN107859549B (en) | 2020-07-10 |
Family
ID=61698616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710901969.XA Active CN107859549B (en) | 2017-09-28 | 2017-09-28 | Silencer and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107859549B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB460148A (en) * | 1934-07-19 | 1937-01-18 | Zygmunt Wilman | Improvements relating to exhaust gas mufflers |
| SU1698464A1 (en) * | 1989-12-08 | 1991-12-15 | Н.И.Калько | Exhaust muffler of internal combustion engine |
| CN2665366Y (en) * | 2003-11-27 | 2004-12-22 | 田明 | Silencing apparatus |
| CN104265434A (en) * | 2014-08-01 | 2015-01-07 | 武汉理工大学 | Automobile muffler with flame-retardance and corrosion-resistance composite material and preparation method thereof |
| CN204729151U (en) * | 2015-06-11 | 2015-10-28 | 金华欧仑催化科技有限公司 | A kind of automotive muffler |
| CN107165697A (en) * | 2017-07-07 | 2017-09-15 | 爱驰威汽车零部件（盐城）有限公司 | A kind of automobile muffler |
-
2017
- 2017-09-28 CN CN201710901969.XA patent/CN107859549B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB460148A (en) * | 1934-07-19 | 1937-01-18 | Zygmunt Wilman | Improvements relating to exhaust gas mufflers |
| SU1698464A1 (en) * | 1989-12-08 | 1991-12-15 | Н.И.Калько | Exhaust muffler of internal combustion engine |
| CN2665366Y (en) * | 2003-11-27 | 2004-12-22 | 田明 | Silencing apparatus |
| CN104265434A (en) * | 2014-08-01 | 2015-01-07 | 武汉理工大学 | Automobile muffler with flame-retardance and corrosion-resistance composite material and preparation method thereof |
| CN204729151U (en) * | 2015-06-11 | 2015-10-28 | 金华欧仑催化科技有限公司 | A kind of automotive muffler |
| CN107165697A (en) * | 2017-07-07 | 2017-09-15 | 爱驰威汽车零部件（盐城）有限公司 | A kind of automobile muffler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107859549B (en) | 2020-07-10 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A muffler and its manufacturing method Effective date of registration: 20220808 Granted publication date: 20200710 Pledgee: Zhejiang Jinhua Chengtai Rural Commercial Bank Co.,Ltd. Wucheng sub branch Pledgor: JINHUA OULUN CATALYTIC TECHNOLOGY Co.,Ltd. Registration number: Y2022990000502 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230104 Granted publication date: 20200710 Pledgee: Zhejiang Jinhua Chengtai Rural Commercial Bank Co.,Ltd. Wucheng sub branch Pledgor: JINHUA OULUN CATALYTIC TECHNOLOGY Co.,Ltd. Registration number: Y2022990000502 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A silencer and its manufacturing method Effective date of registration: 20231122 Granted publication date: 20200710 Pledgee: China Merchants Bank Co.,Ltd. Jinhua Branch Pledgor: JINHUA OULUN CATALYTIC TECHNOLOGY Co.,Ltd. Registration number: Y2023980066855 |