CN204024782U - Vehicle and vent systems thereof - Google Patents
Vehicle and vent systems thereof Download PDFInfo
- Publication number
- CN204024782U CN204024782U CN201420396838.2U CN201420396838U CN204024782U CN 204024782 U CN204024782 U CN 204024782U CN 201420396838 U CN201420396838 U CN 201420396838U CN 204024782 U CN204024782 U CN 204024782U
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- diameter
- tailpipe
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- silencing apparatus
- vehicle
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Abstract
The utility model provides a kind of vehicle and vent systems thereof.Wherein, vehicle exhaust system more comprises the outlet pipe, silencing apparatus and the tailpipe that connect successively; The diameter of tailpipe is less than the diameter of outlet pipe.When only can not meet car load noise targets value by optimization silencing apparatus in the prior art, the utility model, by the diameter of simple adjustment tailpipe, can reach the object reducing relief opening noise; In addition, the utility model structure is simple, is easy to realize.
Description
Technical field
The utility model relates to technical field of vehicle, in particular to a kind of vehicle and vent systems thereof.
Background technique
For vehicle, because vent systems noise has a strong impact on the noiseproof feature of car load, so vent systems noise has become the problem of people's growing interest.At present, the main method reducing vent systems noise arranges silencing apparatus in vent systems, and the gas that motor is discharged enters silencing apparatus after outlet pipe, after silencing apparatus absorption portion noise, is entered in air by the tailpipe identical with air slit diameter.Generally speaking, the volume of silencing apparatus is larger, and soundproof effect also can be better.But, due to the restriction by vent systems space, so also make the volume of silencing apparatus be subject to certain restrictions.Based on this, the general internal structure by optimizing silencing apparatus optimizes the acoustic attenuation performance of silencing apparatus at present, but when the volume of silencing apparatus is determined, unsatisfactory only according to the internal structure de-noising effect optimizing silencing apparatus, cause the noise of vent systems to be difficult to meet the noise requirements of vehicle, and then have a strong impact on the noiseproof feature of car load.
Model utility content
Given this, the utility model proposes a kind of vehicle exhaust system, be intended to solve when muffler volume is determined, can not have met the problem of noise requirements only according to the internal structure optimizing silencing apparatus.The utility model also proposed a kind of vehicle with this vent systems.
An aspect, the utility model proposes a kind of vehicle exhaust system, comprises the outlet pipe, silencing apparatus and the tailpipe that connect successively; Wherein, the diameter of tailpipe is less than the diameter of described outlet pipe.
Further, in above-mentioned vehicle exhaust system, the diameter of tailpipe is less than the diameter 3 ~ 6mm of outlet pipe.
Further, in above-mentioned vehicle exhaust system, the diameter range of outlet pipe is 51mm to 64mm, and the diameter range of tailpipe is 45 to 58mm.
Further, in above-mentioned vehicle exhaust system, the diameter range of tailpipe is 50mm to 55mm.
Further, in above-mentioned vehicle exhaust system, silencing apparatus is dissipative muffler, reactive muffler or complex muffler.
Further, in above-mentioned vehicle exhaust system, tailpipe is metal tube.
In the utility model, in vent systems, the diameter of tailpipe is less than the diameter of outlet pipe, is reduced the noise of vent systems by the mode reducing tailpipe diameter.When tailpipe diameter is less, the wave length of sound propagating out from silencing apparatus changes in the tail pipe attenuated, and counteracts the sound wave propagating out in silencing apparatus, and sonic wave amplitude has been cancelled out each other a part, thus reaches the effect of noise reduction.Can find out, when the volume of silencing apparatus is certain, when the internal structure only by optimizing silencing apparatus can not meet car load noise targets, the utility model is by the diameter of simple adjustment tailpipe, the object reducing relief opening noise can be reached, further, structure is comparatively simple, is easy to realize.
On the other hand, the utility model also proposed a kind of vehicle, and this vehicle comprises any one vehicle exhaust system above-mentioned.
Because vehicle exhaust system has above-mentioned effect, so the vehicle with this vehicle exhaust system also has identical technique effect.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and is not thought restriction of the present utility model.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
The structural representation of the vehicle exhaust system that Fig. 1 provides for the utility model embodiment.
Embodiment
Below with reference to accompanying drawings exemplary embodiment of the present disclosure is described in more detail.Although show exemplary embodiment of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment that sets forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
See Fig. 1, there is shown the structural representation of the vehicle exhaust system that the utility model embodiment provides.As shown in the figure, this vent systems comprises the outlet pipe 100, silencing apparatus 200 and the tailpipe 300 that connect successively.It will be appreciated by those skilled in the art that the inlet end of outlet pipe 100 should be connected with the gas exhaust manifold (not shown) of motor, gas enters in air by the exhaust end of tailpipe 300.
In the present embodiment, the diameter of tailpipe 300 is less than the diameter of outlet pipe 100.It should be noted that, the difference between the diameter of tailpipe 300 and the diameter of outlet pipe 100 can be determined according to actual noise reduction index, and the utility model does not do any restriction to this difference.
The diameter of the tailpipe 300 in the vent systems of the utility model embodiment is less than the diameter of outlet pipe 100, is reduced the noise of vent systems by the mode reducing tailpipe 300 diameter.When tailpipe 300 diameter is less, the wave length of sound propagating out from silencing apparatus changes in the tail pipe attenuated, and counteracts the sound wave propagating out in silencing apparatus, and sonic wave amplitude has been cancelled out each other a part, thus reaches the object of noise reduction.Can find out, when the volume of silencing apparatus 200 is certain, when the internal structure only by optimizing silencing apparatus 200 can not meet car load noise targets, the utility model embodiment is by the diameter of simple adjustment tailpipe 300, the object reducing relief opening noise can be reached, further, structure is comparatively simple, is easy to realize.
During concrete enforcement, the diameter of tailpipe 300 can be less than the diameter 3 ~ 6mm of outlet pipe 100, has good noise reduction to make outlet pipe 100.At present, the diameter of the outlet pipe 100 in vent systems of the prior art is generally between 51mm to 64mm.Through overtesting, outlet pipe 100 and tailpipe 300 are to the vent systems of 60mm, the diameter of tailpipe 300 is reduced to 55mm by 60mm, the diameter of miscellaneous part is constant, after tested, the back pressure increase about 2kpa of vent systems, the noise figure of relief opening reduces about 2-3dB.Can find out, the effect of noise reduction can be reached by the mode reducing tailpipe 300 diameter.
It should be noted that, generally speaking, the diameter of tailpipe 300 is less, and noise reduction is better, but when specifically implementing, when tailpipe 300 diameter diminishes, car load back pressure also can increase, so, when specifically implementing, when meeting car load backpressure requirements, met the requirement of car load vent systems noise targets value by the diameter reducing tailpipe 300 as much as possible.During concrete enforcement, the diameter of tailpipe 300 is preferably 45 to 58mm.Further preferably, the diameter range of tailpipe 300 is 50mm to 55mm.
During concrete enforcement, silencing apparatus 200 can be dissipative muffler, reactive muffler, complex muffler or other any one silencing apparatuss well-known to those skilled in the art, and the utility model embodiment does not do any restriction to the particular type of silencing apparatus 200; Tailpipe 300 can be metal tube.
To sum up, the diameter of the tailpipe 300 in the vent systems of the utility model embodiment is less than the diameter of outlet pipe 100, is reduced the noise of vent systems by the mode reducing tailpipe 300 diameter.When tailpipe 300 diameter is less, the wave length of sound propagating out from silencing apparatus changes in the tail pipe attenuated, and counteracts the sound wave propagating out in silencing apparatus, and sonic wave amplitude has been cancelled out each other a part, thus reaches the effect of noise reduction.Can find out, when the volume of silencing apparatus 200 is certain, when the internal structure only by optimizing silencing apparatus 200 can not meet car load noise targets, the utility model embodiment is by the diameter of simple adjustment tailpipe 300, the object reducing relief opening noise can be reached, further, structure is comparatively simple, is easy to realize
Vehicle embodiments:
The utility model embodiment also proposed a kind of vehicle, and this vehicle comprises any one vehicle exhaust system above-mentioned.Wherein, the concrete structure of vehicle exhaust system illustrates see above-mentioned, and the utility model does not repeat them here.
Because vehicle exhaust system has above-mentioned effect, so the vehicle with this vehicle exhaust system also has identical technique effect.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (7)
1. a vehicle exhaust system, comprise the outlet pipe (100), silencing apparatus (200) and the tailpipe (300) that connect successively, it is characterized in that, the diameter of described tailpipe (300) is less than the diameter of described outlet pipe (100).
2. vehicle exhaust system according to claim 1, is characterized in that, the diameter of described tailpipe (300) is less than the diameter 3mm ~ 6mm of described outlet pipe (100).
3. vehicle exhaust system according to claim 1, is characterized in that, the diameter range of described outlet pipe (100) is 51mm to 64mm, and the diameter range of described tailpipe (300) is 45mm to 58mm.
4. vehicle exhaust system according to claim 3, is characterized in that, the diameter range of described tailpipe (300) is 50mm to 55mm.
5. vehicle exhaust system according to any one of claim 1 to 4, is characterized in that, described silencing apparatus (200) is dissipative muffler, reactive muffler or complex muffler.
6. vehicle exhaust system according to claim 5, is characterized in that, described tailpipe (300) is metal tube.
7. a vehicle, is characterized in that, comprises the vehicle exhaust system as described in any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420396838.2U CN204024782U (en) | 2014-07-17 | 2014-07-17 | Vehicle and vent systems thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420396838.2U CN204024782U (en) | 2014-07-17 | 2014-07-17 | Vehicle and vent systems thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204024782U true CN204024782U (en) | 2014-12-17 |
Family
ID=52064662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420396838.2U Expired - Fee Related CN204024782U (en) | 2014-07-17 | 2014-07-17 | Vehicle and vent systems thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204024782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482641A (en) * | 2014-12-19 | 2015-04-01 | 珠海格力电器股份有限公司 | Exhaust pipe component, exhaust system and household dehumidifier |
-
2014
- 2014-07-17 CN CN201420396838.2U patent/CN204024782U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482641A (en) * | 2014-12-19 | 2015-04-01 | 珠海格力电器股份有限公司 | Exhaust pipe component, exhaust system and household dehumidifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20141217 Termination date: 20180717 |