CN204060859U - A kind of exhaust silencer and automobile - Google Patents
A kind of exhaust silencer and automobile Download PDFInfo
- Publication number
- CN204060859U CN204060859U CN201420460244.3U CN201420460244U CN204060859U CN 204060859 U CN204060859 U CN 204060859U CN 201420460244 U CN201420460244 U CN 201420460244U CN 204060859 U CN204060859 U CN 204060859U
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- cavity
- hole group
- end cap
- hole
- exhaust silencer
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Abstract
The utility model discloses a kind of exhaust silencer, comprise muffler body, first end cap and the second end cap, above-mentioned three forms cavity, with suction tude and the steam outlet pipe of cavity connects, sound wave reflective plate is provided with in cavity, the first dividing plate is provided with between sound wave reflective plate and the first end cap, second partition is provided with between sound wave reflective plate and the second end cap, first dividing plate, sound wave reflective plate, cavity is divided into the first cavity by second partition, second cavity, 3rd cavity and the 4th cavity, suction tude extends in the second cavity through the first dividing plate, steam outlet pipe extends in the 3rd cavity through second partition, first cavity is provided with the 3rd cavity the honeycomb duct be communicated with, and the first dividing plate, second partition is provided with the first sound attenuation hole group, suction tude, honeycomb duct, steam outlet pipe is provided with the second sound attenuation hole group.Adopt this technological scheme, the large high attenuation of acoustic energy, serve the effect reducing exhaust sound.The invention also discloses the automobile with above-mentioned exhaust silencer.
Description
Technical field
The utility model relates to technical field of automobile, is specifically related to a kind of exhaust silencer.The utility model also relates to the automobile with above-mentioned exhaust silencer.
Background technique
Along with the development of automotive industry and improving constantly of people's living standard, the owning amount of automobile is increasing, vehicular traffic noise not only causes the NVH (Noise (noise) of car load, Vibration (vibration) and Harshness (sound vibration roughness)) poor performance, and become the main source of urban environment noise, even endanger the healthy of people.At present, all there has been more strict control countries in the world to the exhaust sound of automobile.
Exhaust silencer is exactly exhaust sound for reducing automobile and the device of giving birth to, exhaust silencer is connected in the vent systems of motor car engine, the Main Function of exhaust silencer is exactly carry out stress release treatment by the pulsation of reduction, decay exhaust pressure, and because exhaust silencer long-term work is in the environment of hot humid, so severe working environment easily causes the dividing plate corrosion of silencing apparatus inside and occurs loosening abnormal sound, therefore, the exhaust silencer how designing good noise reduction and drainage performance becomes another large research topic.
Model utility content
The utility model provides a kind of exhaust silencer of automobile, can improve its noise reduction and drainage performance.The utility model additionally provides the automobile with above-mentioned exhaust silencer.
To achieve these goals, the utility model takes following technological scheme:
A kind of exhaust silencer, comprise muffler body, be fixed in the first end cap and second end cap at described muffler body two ends, above-mentioned three forms cavity, with be fixed in described first end cap and with the suction tude of described cavity connects, be fixed in described second end cap and with the steam outlet pipe of described cavity connects, sound wave reflective plate is provided with in described cavity, the first dividing plate is provided with between described sound wave reflective plate and described first end cap, second partition is provided with between described sound wave reflective plate and described second end cap, described first dividing plate, sound wave reflective plate, described cavity is divided into the first cavity by second partition, second cavity, 3rd cavity and the 4th cavity, described suction tude extends in described second cavity through described first dividing plate, described steam outlet pipe extends in described 3rd cavity through described second partition, described first cavity is provided with described 3rd cavity the honeycomb duct be communicated with, and described first dividing plate, second partition is provided with the first sound attenuation hole group, described suction tude, honeycomb duct, steam outlet pipe is provided with the second sound attenuation hole group.
Preferably, described first sound attenuation hole group hole comprises the first hole group being located at described first dividing plate, and is located at the second hole group of described second partition, and described first hole group comprises the hole of 16 φ 10, the hole of 1 φ 32, and described second hole group comprises the hole of 185 φ 2.
Preferably, the second described sound attenuation hole group comprises the 3rd hole group being located at described suction tude outer wall, be located at the 4th hole group of described honeycomb duct outer wall, with the 5th hole group being located at described steam outlet pipe outer wall, described 3rd hole group comprises to be located in described first cavity and the hole of 24 φ 5 apart from described first end cap 20mm-36mm place, described 4th hole group comprises to be located in described first cavity distance near the hole of 48 φ 3 at the 10mm-45mm place, honeycomb duct end of described first end cap, with the hole of 45 φ 3 being located at 160mm-195mm place, honeycomb duct end described in distance in described second cavity, described 5th hole group comprises is located at the hole of described 3rd cavity apart from 120 φ 3.5 at described second end cap 110mm-150mm place, with the hole of 60 φ 3 being located at the second end cap 18mm-36mm place described in distance in described 4th cavity, above-mentioned each hole is uniform along the circumference of its place tube wall separately.
Preferably, described first dividing plate, sound wave reflective plate, second partition are equipped with rhone.
Preferably, also comprise sleeve pipe, described casing pipe sleeve is loaded on described steam outlet pipe and is positioned at described 4th cavity.
A kind of automobile, comprise exhaust silencer, described exhaust silencer is the exhaust silencer described in above-mentioned any one.
The beneficial effect that the utility model obtains is:
The utility model provides a kind of exhaust silencer, comprise muffler body, be fixed in the first end cap and second end cap at described muffler body two ends, above-mentioned three forms cavity, with be fixed in described first end cap and with the suction tude of described cavity connects, be fixed in described second end cap and with the steam outlet pipe of described cavity connects, sound wave reflective plate is provided with in described cavity, the first dividing plate is provided with between described sound wave reflective plate and described first end cap, second partition is provided with between described sound wave reflective plate and described second end cap, described first dividing plate, sound wave reflective plate, described cavity is divided into the first cavity by second partition, second cavity, 3rd cavity and the 4th cavity, described suction tude extends in described second cavity through described first dividing plate, institute's steam outlet pipe extends in described 3rd cavity through described second partition, described first cavity is provided with described 3rd cavity the honeycomb duct be communicated with, and described first dividing plate, second partition is provided with the first sound attenuation hole group, described suction tude, honeycomb duct, steam outlet pipe is provided with the second sound attenuation hole group.Adopt this technological scheme, initial point is gone back to after making the sound wave entered in cavity run into sound wave reflective plate, and the forward direction that again turns back, this point with not yet converged by the sound wave of second forward direction reflected, and both are equal on amplitude, phase place differs from the odd-multiple of 180 °, thus interfere with each other and offset, and by arranging the first sound attenuation hole group at the first dividing plate and second partition and in suction tude, the tube wall of honeycomb duct and steam outlet pipe is arranged the second sound attenuation hole group, air-flow can only be passed through from aperture, so air-flow is compressed suddenly, be divided into many threads, after expanded suddenly again, so repeatedly suddenly change, the large high attenuation of acoustic energy, thus serve the effect reducing exhaust sound.
The automobile that the utility model provides comprises exhaust silencer, and because this exhaust silencer has above-mentioned technique effect, the automobile comprising this exhaust silencer also should have identical technique effect.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of an embodiment of exhaust silencer of the present utility model;
Fig. 2 is the internal structure schematic diagram I of exhaust silencer of the present utility model;
Fig. 3 is the internal structure schematic diagram II of exhaust silencer of the present utility model;
Fig. 4 is the plan view of an embodiment of the first dividing plate;
Fig. 5 is the plan view of an embodiment of second partition;
Fig. 6 is the scheme of installation of an embodiment in the vent systems of automobile of exhaust silencer of the present utility model;
Fig. 7 is the acoustic characteristics contrast diagram of different piercing aperture exhaust silencer;
Fig. 8 is the diagram of punching rate on the impact of straight-through perforated pipe dissipative muffler acoustical behavior.
Description of reference numerals:
100-exhaust silencer; 10-muffler body; 11-first end cap; 12-second end cap; 20-suction tude; 21-the 3rd hole group; 30-steam outlet pipe; 31-the 5th hole group; 40-sound wave reflective plate; 50-first dividing plate; 51-first hole group; 60-second partition; 61-second hole group; 70-honeycomb duct; 71-the 4th hole group; 72-honeycomb duct end; 80-cavity; 81-first cavity; 82-second cavity; 83-the 3rd cavity; 84-the 4th cavity; 90-rhone; 91-sleeve pipe.
Embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is described in detail.
The utility model provides a kind of exhaust silencer 100, comprise muffler body 10, be fixed in first end cap 11 and second end cap 12 at muffler body 10 two ends, above-mentioned three forms cavity, be fixed in the first end cap 11 and with the suction tude 20 of cavity connects, be fixed in the second end cap 12 and the steam outlet pipe 30 be communicated with cavity 80, in order to improve the ability of exhaust silencer attenuate acoustic noise, sound wave reflective plate 40 is provided with in cavity 80, the first dividing plate 50 is provided with between sound wave reflective plate 40 and the first end cap 11, second partition 60 is provided with between sound wave reflective plate 40 and the second end cap 12, first dividing plate 50, sound wave reflective plate 40, cavity 80 is divided into the first cavity 81 by second partition 60, second cavity 82, 3rd cavity 83 and the 4th cavity 84, suction tude 20 to extend in the second cavity 82 through the first dividing plate 50, steam outlet pipe 30 extends in the 3rd cavity 83 through second partition 60, first cavity 81 is provided with the 3rd cavity 83 honeycomb duct 70 be communicated with, and the first dividing plate 50, second partition 60 is provided with the first sound attenuation hole group, suction tude 20, honeycomb duct 70, steam outlet pipe 30 is provided with the second sound attenuation hole group.Adopt this technological scheme, initial point is gone back to after making the sound wave entered in cavity 80 run into sound wave reflective plate 40, and the forward direction that again turns back, this point with not yet converged by the sound wave of second forward direction reflected, and both are equal on amplitude, phase place differs from the odd-multiple of 180 °, thus interfere with each other and offset, and by arranging the first sound attenuation hole group and in suction tude 20 at the first dividing plate 50 and second partition 60, the tube wall of honeycomb duct 70 and steam outlet pipe 30 is arranged the second sound attenuation hole group, air-flow can only be passed through from aperture, by time air-flow compressed suddenly, be divided into many threads, then the abrupt change of cross-section that air-flow passes through is expanded suddenly again, through so repeatedly suddenling change, the large high attenuation of acoustic energy, serve the effect reducing exhaust sound.
In above-mentioned technological scheme, the first sound attenuation hole group preferably includes the first hole group 51 being located at the first dividing plate 50, and is located at the second hole group 61 of described second partition 60.As shown in Figure 7, when other ambient conditionss are identical, aperture is less, soundproof effect is better, but can back pressure be increased because aperture is too little, therefore, the selection in aperture will take into account the composite factor of exhausting silencer effect and backpressure requirements simultaneously, in the present embodiment, preferably the first hole group 51 comprises the hole of 16 φ 10 and the hole of 1 φ 32, the pore size distribution of 16 φ 10 is between suction tude 20 and the mounting hole of honeycomb duct 70 and the predeterminable range of interval, the hole of φ 32 is positioned at the first dividing plate 50 near one end of honeycomb duct 70, second hole group 61 comprises the hole of 185 φ 2 and is uniformly distributed in the intermediate portion of second partition 60.The aperture that this scheme is arranged on the first dividing plate 50 is relatively large, quantity is relatively less, its object is to the noise elimination realizing high-frequency noise, the aperture that second partition 60 is arranged is relatively little, quantity increases greatly, this scheme, on the noise elimination basis of the first dividing plate 50, reduces frequency and the acoustic energy attenuation of noise further, improves the soundproof effect of exhaust silencer 100 further.
Second sound attenuation hole group comprises the 3rd hole group 21 being located at suction tude 20 outer wall, is located at the 4th hole group 71 of honeycomb duct 70 outer wall, and is located at the 5th hole group 31 of steam outlet pipe 30 outer wall.As shown in Figure 8, different punching rates can control the spectral performance of exhaust silencer, the spectral performance that punching rate the higher person controls exhaust silencer is better, good soundproof effect can be obtained in the frequency range needed, amid all these factors, in the present embodiment, preferably the 3rd hole group 21 comprises and being located in the first cavity 81 and the hole of distance the first end cap 11 24 φ 5 that are 20mm-36mm place, 4th hole group 71 comprises the hole being located at 48 φ 3 that distance is 10mm-45mm place near the honeycomb duct end 72 of the first end cap 11 in the first cavity 81, be the hole of 45 φ 3 of 160mm-195mm with being located at distance honeycomb duct end 72 in the second cavity 82, 5th hole group 31 comprises the hole being located at 120 φ 3.5 that the 3rd cavity 83 is 110mm-150mm place apart from the second end cap 12, with the hole being located at 60 φ 3 that distance second end cap 12 is 18mm-36mm place in the 4th cavity 84, above-mentioned each hole is uniform along the circumference of its place tube wall separately.Adopt this technological scheme, by increasing the quantity in hole and change the diameter in hole on the outer wall of suction tude 20, steam outlet pipe 30 and honeycomb duct 70, control the spectral performance of exhaust silencer 100, make its exhaust silencer 100 obtain good soundproof effect.
Further, the first dividing plate 50, sound wave reflective plate 40, second partition 60 are equipped with rhone 90.Adopt this technological scheme, make inside ponding in cavity 80 can free-flow in four cavitys, inner ponding is finally discharged along the pipeline of steam outlet pipe 30 or is at high temperature evaporated, to improve the inside seeping phenomenon of cavity 80, avoid causing the corrosion of above-mentioned three or loosening, improve the drainage performance of exhaust silencer 100.
The exhaust silencer that the utility model provides also comprises sleeve pipe 91, and sleeve pipe 91 is set in steam outlet pipe 30 and is positioned at the 4th cavity 84, and the tube wall of sleeve pipe 94 is provided with noise elimination cotton, Absorbable rod exhaust sound, meanwhile, sleeve pipe 91 also can improve the rigidity of steam outlet pipe 30, avoids distortion or fracture.
The material of the preferred muffler body 10 of the exhaust silencer 100 that the utility model provides is SUS436L, and this material has corrosion resistance, good weldability and processibility, comparatively adopts SUH409 to compare, can extend the working life of exhaust silencer 100.
The automobile that the utility model provides comprises exhaust silencer, and this exhaust silencer is the exhaust silencer described in above-mentioned either a program, and because this exhaust silencer has above-mentioned technique effect, the automobile comprising this exhaust silencer also should have identical technique effect.
Although the utility model is described in conjunction with above embodiment, but the utility model is not limited to above embodiment, and just by the restriction of claim, related domain common technique personnel can easily modify to it and change, but do not leave essential idea of the present utility model and scope.
Claims (6)
1. an exhaust silencer, comprise muffler body, be fixed in the first end cap and second end cap at described muffler body two ends, above-mentioned three forms cavity, with be fixed in described first end cap and with the suction tude of described cavity connects, be fixed in described second end cap and with the steam outlet pipe of described cavity connects, it is characterized in that, sound wave reflective plate is provided with in described cavity, the first dividing plate is provided with between described sound wave reflective plate and described first end cap, second partition is provided with between described sound wave reflective plate and described second end cap, described first dividing plate, sound wave reflective plate, described cavity is divided into the first cavity by second partition, second cavity, 3rd cavity and the 4th cavity, described suction tude extends in described second cavity through described first dividing plate, described steam outlet pipe extends in described 3rd cavity through described second partition, described first cavity is provided with described 3rd cavity the honeycomb duct be communicated with, and described first dividing plate, second partition is provided with the first sound attenuation hole group, described suction tude, honeycomb duct, steam outlet pipe is provided with the second sound attenuation hole group.
2. exhaust silencer according to claim 1, it is characterized in that, described first sound attenuation hole group comprises the first hole group being located at described first dividing plate, with the second hole group being located at described second partition, described first hole group comprises the hole of 16 φ 10, the hole of 1 φ 32, described second hole group comprises the hole of 185 φ 2.
3. exhaust silencer according to claim 1, it is characterized in that, the second described sound attenuation hole group comprises the 3rd hole group being located at described suction tude outer wall, be located at the 4th hole group of described honeycomb duct outer wall, with the 5th hole group being located at described steam outlet pipe outer wall, described 3rd hole group comprises to be located in described first cavity and the hole of 24 φ 5 apart from described first end cap 20mm-36mm place, described 4th hole group comprises to be located in described first cavity distance near the hole of 48 φ 3 at the 10mm-45mm place, honeycomb duct end of described first end cap, with the hole of 45 φ 3 being located at 160mm-195mm place, honeycomb duct end described in distance in described second cavity, described 5th hole group comprises is located at the hole of described 3rd cavity apart from 120 φ 3.5 at described second end cap 110mm-150mm place, with the hole of 60 φ 3 being located at the second end cap 18mm-36mm place described in distance in described 4th cavity, above-mentioned each hole is uniform along the circumference of its place tube wall separately.
4. the exhaust silencer according to any one of claim 1-3, is characterized in that, described first dividing plate, sound wave reflective plate, second partition are equipped with rhone.
5. the exhaust silencer according to any one of claim 1-3, is characterized in that, also comprises sleeve pipe, and described casing pipe sleeve is loaded on described steam outlet pipe and is positioned at described 4th cavity.
6. an automobile, comprises exhaust silencer, it is characterized in that, described exhaust silencer is the exhaust silencer described in any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420460244.3U CN204060859U (en) | 2014-08-14 | 2014-08-14 | A kind of exhaust silencer and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420460244.3U CN204060859U (en) | 2014-08-14 | 2014-08-14 | A kind of exhaust silencer and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204060859U true CN204060859U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420460244.3U Expired - Fee Related CN204060859U (en) | 2014-08-14 | 2014-08-14 | A kind of exhaust silencer and automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN204060859U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948264A (en) * | 2015-06-15 | 2015-09-30 | 柳州利和排气控制系统有限公司 | Automobile silencer |
| CN104948266A (en) * | 2015-06-15 | 2015-09-30 | 柳州利和排气控制系统有限公司 | Automobile silencer |
| CN105221216A (en) * | 2015-11-10 | 2016-01-06 | 安徽江淮汽车股份有限公司 | Silencing apparatus |
| CN109630249A (en) * | 2018-12-13 | 2019-04-16 | 天津欧陆测控技术股份有限公司 | A kind of end cover of silencer and its processing mold |
-
2014
- 2014-08-14 CN CN201420460244.3U patent/CN204060859U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948264A (en) * | 2015-06-15 | 2015-09-30 | 柳州利和排气控制系统有限公司 | Automobile silencer |
| CN104948266A (en) * | 2015-06-15 | 2015-09-30 | 柳州利和排气控制系统有限公司 | Automobile silencer |
| CN105221216A (en) * | 2015-11-10 | 2016-01-06 | 安徽江淮汽车股份有限公司 | Silencing apparatus |
| CN105221216B (en) * | 2015-11-10 | 2017-12-22 | 安徽江淮汽车集团股份有限公司 | Silencer |
| CN109630249A (en) * | 2018-12-13 | 2019-04-16 | 天津欧陆测控技术股份有限公司 | A kind of end cover of silencer and its processing mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20190814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |