CN205663542U - High frequency silencer structure - Google Patents
High frequency silencer structure Download PDFInfo
- Publication number
- CN205663542U CN205663542U CN201620574440.2U CN201620574440U CN205663542U CN 205663542 U CN205663542 U CN 205663542U CN 201620574440 U CN201620574440 U CN 201620574440U CN 205663542 U CN205663542 U CN 205663542U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- pipe
- shell body
- anger
- high frequency
- 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.)
- Expired - Fee Related
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- Supercharger (AREA)
- Exhaust Silencers (AREA)
Abstract
The utility model provides a high frequency silencer structure, has tubulose shell body, intake pipe and an outlet duct, and it advances air pipe joint and links to each other with the booster export, goes out air pipe joint and links to each other with automobile engine intercooler intake pipe, and the reducing that admits air that the radius that is located the shell body diminishes is managed and the reducing pipe of giving vent to anger of radius grow has the bloop, the shell body will admit air reducing pipe with give vent to anger the reducing duct occlusion, its enclosed construction and arranging in the booster side has the reducing pipe transmission of bloop through the secondary on the contrary, gaseous multiple change and the poor efficiency of producing effectively reduces high frequency noise, little and arrange the convenience to the space requirement.
Description
Technical field
This utility model, about a kind of high frequency acoustic wave filter structure, is especially applicable to auto turbo-supercharged engine system
A kind of high frequency acoustic wave filter structure.
Background technology
In order to tackle the standard-required of the strictest discharge and oil consumption, engine charge turbocharging technology increasingly by
Being widely applied with in all types of domestic small displacement gasoline vehicles, current utilization is most widely exhaust-driven turbo-charger exhaust-gas turbo charger technology；
Exhaust-driven turbo-charger exhaust-gas turbo charger is when normally working, and owing to turbo blade rotating speed is the highest, when mating unreasonable, is easily caused air inlet
There is high-frequency noise in system, affects the driver comfort of vehicle, the most at high speeds.
In prior art, engine aspirating system only arranges connection in arranging between supercharger, charge air cooler, air inlet
Pipeline and air filter, do not have to design the acoustic wave filter structure for high-frequency noise, cause vehicle noise the most up to standard, at 1200-
Occur in that in 4000rpm that the high frequency of 2000-3000Hz is uttered long and high-pitched sounds.
It is thus desirable to provide a kind of effectively for the medium-high frequency acoustic wave filter structure of 500-3000rpm, matched with pressurization electromotor
Gas handling system, eliminates the high-frequency noise that supercharger work produces, also has certain suppression and reduction effect simultaneously to mid-frequency noise.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of high frequency acoustic wave filter structure, its have outer tubular envelope,
Air inlet pipe and escape pipe, wherein: described air inlet pipe has: be positioned at the air inlet pipe interface outside described shell body, be positioned at described outside
The radius of enclosure interior air inlet reducer pipe from large to small, the tube wall of described air inlet reducer pipe has been circular layout noise reduction along axis
Hole；Described escape pipe has: be positioned at the escape pipe interface outside described shell body, is positioned at the radius within described shell body by little
Become big reducer pipe of giving vent to anger, described in the give vent to anger tube wall of reducer pipe be circular layout bloop along axis；Described high frequency acoustic filter is tied
Structure is positioned at vehicle engine booster side, and described air inlet pipe interface is connected with described supercharger outlet, described escape pipe interface
It is connected with automobile engine intercooler air inlet pipe；Described air inlet reducer pipe is connected with described reducer pipe end of giving vent to anger；And it is described
Shell body is fixing with described air inlet pipe and described escape pipe to be connected, and by described air inlet reducer pipe and described reducer pipe envelope of giving vent to anger
Close.
High frequency acoustic wave filter structure as above, these, it is preferred to: described air inlet pipe has air inlet end cap, described in enter
Gas end cap is fixing with described shell body to be connected and forms closing；Described escape pipe has end cap of giving vent to anger, described in give vent to anger end cap and institute
State the fixing connection of shell body and form closing.
High frequency acoustic wave filter structure as above, these, it is preferred to: described air inlet end cap welds solid with described shell body
Surely connect and form closing, described in end cap of giving vent to anger be welded and fixed with described shell body and be connected and form closing.
High frequency acoustic wave filter structure as above, these, it is preferred to: described air inlet reducer pipe and described reducer pipe of giving vent to anger
For symmetrical structure, and range of taper is 23 to 27 degree.
High frequency acoustic wave filter structure as above, these, it is preferred to: a diameter of 3 millimeters of described bloop.
High frequency acoustic wave filter structure as above, these, it is preferred to: described air inlet pipe interface and described escape pipe interface
There is the connection boss of the diameter 1 millimeter of multiple tracks circumference vertically.
High frequency acoustic wave filter structure as above, these, it is preferred to: at described air inlet reducer pipe and described reducing of giving vent to anger
Pipe connecting place, also has dividing plate, and will be divided into inlet chamber and outlet chamber inside described shell body inside described shell body, described
There are on dividing plate multiple dividing plate bloops that the axis of the most described air inlet pipe and described escape pipe is circular layout.
High frequency acoustic wave filter structure as above, these, it is preferred to: a diameter of 3 millimeters of described dividing plate bloop.
Enclosed type high frequency acoustic wave filter structure provided by the utility model is arranged in supercharger side, by the change that secondary is contrary
Diameter tube is transmitted, and has multiple bloop on variable diameters pipe, and therefore gas produces multiple change and poor efficiency, effectively reduces height
Frequently noise.It is little to space requirement, and it is convenient to arrange, technique is simple, lightweight, low cost.
Accompanying drawing explanation
Fig. 1 is appearance schematic diagram of the present utility model；
Fig. 2 is the generalized section of Fig. 1；
Fig. 3 is air inlet pipe schematic diagram in this utility model；
Fig. 4 is this utility model shell body schematic diagram；With
Fig. 5 is noise reduction transmission loss experimental data figure.
Reference: 1 high frequency acoustic wave filter structure, 2 shell bodies, 3 air inlet pipe, 4 escape pipes, 5 air inlet pipe interfaces, 6 air inlets become
Footpath is managed, 7 bloops, 8 escape pipe interfaces, and 9 give vent to anger reducer pipe, 10 air inlet end caps, and 11 give vent to anger end cap, and 12 connect boss, 13 dividing plates,
14 inlet chambers, 15 outlet chambers, 16 dividing plate bloops.
Detailed description of the invention
As shown in Figures 1 to 4, this utility model provides a kind of high frequency acoustic wave filter structure 1, and it has outer tubular envelope 2, air inlet
Pipe 3 and escape pipe 4, wherein: described air inlet pipe 3 has: be positioned at the air inlet pipe interface 5 outside described shell body 2, be positioned at described outside
Radius within housing 2 air inlet reducer pipe 6 from large to small, the tube wall of described air inlet reducer pipe 6 has been circular layout along axis and has disappeared
Sound hole 7；Described escape pipe 4 has: be positioned at the escape pipe interface 8 outside described shell body 2, is positioned within described shell body 2
What radius changed from small to big give vent to anger reducer pipe 9, described in the give vent to anger tube wall of reducer pipe 9 be circular layout bloop 7 along axis；Described height
Frequently acoustic wave filter structure 1 is positioned at vehicle engine booster side, and described air inlet pipe interface 5 is connected with described supercharger outlet, institute
State escape pipe interface 8 to be connected with automobile engine intercooler air inlet pipe；Described air inlet reducer pipe 6 and described reducer pipe 9 end of giving vent to anger
Portion is connected；And described shell body 2 and described air inlet pipe 3 and described escape pipe 4 is fixing is connected, and by described air inlet reducer pipe 6
Close with described reducer pipe 9 of giving vent to anger.
Enclosed type high frequency acoustic wave filter structure provided by the utility model is arranged in supercharger side, by the change that secondary is contrary
Diameter tube is transmitted, and has multiple bloop on variable diameters pipe, and therefore gas produces multiple change and poor efficiency, effectively reduces height
Frequently noise.It is little to space requirement, and it is convenient to arrange, technique is simple, lightweight, low cost.
As preferred embodiment of the present utility model, as in figure 2 it is shown, air inlet pipe 3 is mutually isostructural portion with escape pipe 4
Part, is i.e. arranged symmetrically with, has identical internal structure and function.Therefore in embodiment of the present utility model, turnover trachea
Architectural feature is consistent with.
As embodiment of the present utility model, described air inlet pipe 3 has air inlet end cap 10, and described air inlet end cap 10 is with described
Shell body 2 is fixing to be connected and forms closing；Described escape pipe 4 has end cap 11 of giving vent to anger, described in give vent to anger end cap 11 and described shell
Body 2 is fixing to be connected and forms closing.Preferably, described air inlet end cap is welded and fixed with described shell body and is connected and forms closing,
Described end cap of giving vent to anger is welded and fixed with described shell body and is connected and forms closing.As preferably, pass in and out trachea and shell body material
Identical, for P66+GF30 the material of 30% glass fibre (a kind of PA66 plastics mix), use injection molding process, then three
Parts use welding manner to be fixed together.Material recoverable, low cost, structural strength is high, and heat-proof quality is good.
It is symmetrical structure as preferred embodiment of the present utility model, described air inlet reducer pipe and described reducer pipe of giving vent to anger,
And range of taper is 23 to 27 degree.Preferably, reducer pipe two ends internal diameter is respectively 51 millimeters, 32 millimeters, a length of 35 millimeters.Its
The bloop of uniform 180 diameters in surface 3 millimeters.
As improvement, as it can be seen, described air inlet pipe interface and described escape pipe interface have multiple tracks circumference cloth vertically
The connection boss 12 of the diameter put 1 millimeter.By connect boss 12, it is ensured that acoustic filter is firm with what pipeline assembled, i.e. described in enter
Air pipe interface 5 is connected with described supercharger outlet, and described escape pipe interface 8 is connected with automobile engine intercooler air inlet pipe.
As this utility model preferred embodiment, at described air inlet reducer pipe 6 and described reducer pipe 9 connecting place of giving vent to anger,
Described shell body 2 is internal also has dividing plate 13, and is divided into inlet chamber 14 and outlet chamber 15 by internal for described shell body 2, described
There are on dividing plate 13 multiple dividing plate bloops 15 that the axis of the most described air inlet pipe 3 and described escape pipe 4 is circular layout.As
Preferably, a diameter of 3 millimeters of described dividing plate bloop.
As preferred embodiment of the present utility model, operationally, air-flow enters entering of acoustic filter by air inlet pipe interface 5
Tracheal strips, a part is entered in inlet chamber 14 by the bloop 7 of air inlet reducer pipe 6, is partly into and gives vent to anger in reducer pipe 9,
In inlet chamber 14, gas enters in outlet chamber 15 by the dividing plate bloop 15 on dividing plate 13 again, and in outlet chamber 15, air-flow continues logical
Crossing the bloop 7 given vent to anger on reducer pipe 9 and enter escape pipe, final air-flow escape pipe interface from escape pipe enters next section of pipe
Road, by moving towards to produce noise elimination effect with overdraught.
Fig. 5 is noise reduction transmission loss experimental data figure, provided by the utility model effectively in 500-3000rpm
High frequency acoustic wave filter structure, it is possible to matched with pressurization engine aspirating system, eliminates the high-frequency noise that supercharger work produces, the most right
Mid-frequency noise also has certain suppression and reduction effect.
Should be appreciated that this utility model scope of the claimed is not limited to non-limiting embodiments, it should be understood that non-limiting reality
Scheme of executing illustrates as just example.The protection domain of the essence that the application is to be required more is embodied in independent claims
The scope provided, and its dependent claims.
Claims (8)
1. a high frequency acoustic wave filter structure, it has outer tubular envelope, air inlet pipe and escape pipe, it is characterised in that:
Described air inlet pipe has: be positioned at the air inlet pipe interface outside described shell body, be positioned at radius within described shell body by
The air inlet reducer pipe diminished greatly, the tube wall of described air inlet reducer pipe has been circular layout multiple bloop along axis；
Described escape pipe has: be positioned at the escape pipe interface outside described shell body, be positioned at radius within described shell body by
What little change was big give vent to anger reducer pipe, described in the give vent to anger tube wall of reducer pipe be circular layout multiple bloop along axis；
Described high frequency acoustic wave filter structure is positioned at vehicle engine booster side, and described air inlet pipe interface and described supercharger outlet
Being connected, described escape pipe interface is connected with automobile engine intercooler air inlet pipe；
Described air inlet reducer pipe is connected with described reducer pipe end of giving vent to anger；And
Described shell body is fixing with described air inlet pipe and described escape pipe to be connected, and by described air inlet reducer pipe and described change of giving vent to anger
Footpath duct occlusion.
2. high frequency acoustic wave filter structure as claimed in claim 1, it is characterised in that: described air inlet pipe has air inlet end cap, described
Air inlet end cap is fixing with described shell body to be connected and forms closing；Described escape pipe has end cap of giving vent to anger, described in give vent to anger end cap with
Described shell body is fixing to be connected and forms closing.
3. high frequency acoustic wave filter structure as claimed in claim 2, it is characterised in that: described air inlet end cap welds with described shell body
Fixing connection also forms closing, described in end cap of giving vent to anger be welded and fixed with described shell body and be connected and form closing.
4. high frequency acoustic wave filter structure as claimed in claim 3, it is characterised in that: described air inlet reducer pipe and described reducing of giving vent to anger
Pipe is symmetrical structure, and range of taper is 23 to 27 degree.
5. high frequency acoustic wave filter structure as claimed in claim 4, it is characterised in that: a diameter of 3 millimeters of described bloop.
6. high frequency acoustic wave filter structure as claimed in claim 5, it is characterised in that: described air inlet pipe interface and described escape pipe connect
Opening's edge axially has the connection boss of the diameter 1 millimeter of multiple tracks circumference.
7. high frequency acoustic wave filter structure as claimed in claim 1, it is characterised in that: in described air inlet reducer pipe and described change of giving vent to anger
Footpath pipe connecting place, also has dividing plate, and will be divided into inlet chamber and outlet chamber, institute inside described shell body inside described shell body
State and there are on dividing plate multiple dividing plate bloops that the axis of the most described air inlet pipe and described escape pipe is circular layout.
8. high frequency acoustic wave filter structure as claimed in claim 7, it is characterised in that: a diameter of 3 millimeters of described dividing plate bloop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620574440.2U CN205663542U (en) | 2016-06-08 | 2016-06-08 | High frequency silencer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620574440.2U CN205663542U (en) | 2016-06-08 | 2016-06-08 | High frequency silencer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205663542U true CN205663542U (en) | 2016-10-26 |
Family
ID=57154927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620574440.2U Expired - Fee Related CN205663542U (en) | 2016-06-08 | 2016-06-08 | High frequency silencer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205663542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873011A (en) * | 2018-08-29 | 2020-03-10 | 曼胡默尔滤清器（上海）有限公司 | Composite broadband silencer with multilayer structure |
-
2016
- 2016-06-08 CN CN201620574440.2U patent/CN205663542U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873011A (en) * | 2018-08-29 | 2020-03-10 | 曼胡默尔滤清器（上海）有限公司 | Composite broadband silencer with multilayer structure |
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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. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 Termination date: 20190608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |