CN201041110Y - Air admission silencing structure of automobile - Google Patents
Air admission silencing structure of automobile Download PDFInfo
- Publication number
- CN201041110Y CN201041110Y CNU2007200361861U CN200720036186U CN201041110Y CN 201041110 Y CN201041110 Y CN 201041110Y CN U2007200361861 U CNU2007200361861 U CN U2007200361861U CN 200720036186 U CN200720036186 U CN 200720036186U CN 201041110 Y CN201041110 Y CN 201041110Y
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- Prior art keywords
- induction hose
- air
- air induction
- filter cleaner
- upper shell
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- 230000030279 gene silencing Effects 0.000 title 1
- 230000006698 induction Effects 0.000 claims abstract description 72
- 230000008030 elimination Effects 0.000 claims description 19
- 238000003379 elimination reaction Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The utility model discloses a vehicle induction noise reduction structure, the port of each of an upper shell honeycomb duct (2) and a lower shell honeycomb duct (1) is horn shaped oriented to the inner side of the shell. The external wall of an intake hose (6) is provided with a resonator (4) of the intake hose, and composes a sealed chamber together with the hose wall of the intake hose (6). The hose wall of the intake hose (6) in the resonator (4) of the intake hose is provided with the resonant branch pipe (11) of the intake hose to make the intake hose (6) communicated with the resonator (4) of the intake hose. A noise reduction structure can be composed utilizing an air filter and the honeycomb ducts in the inner side of the utility model through optimizing the internal structure of the air filter. The intake hose of the engine is additionally provided with a resonator to reduce the engine induction noise and to lower the intake resistance. The structure has simple process, low cost, saves resources, and improves the NVH level and the comfort of a complete vehicle.
Description
Technical field
The utility model belongs to the technical field of automobile construction, relates to the gas handling system of motor car engine, and more particularly, the utility model relates to the automotive air intake noise elimination structure that is adopted in this system.
Background technique
Because be subjected to the restriction of car nose cabin arrangement space and domestic manufacturing art level, the air-strainer of some vehicles only can play the effect of filtered air basically at present, the sound that whistles in the time of can not well reducing engine operation, induction noise is bigger; Compare external car and all consider to be equipped with special intake noise reduction device basically, their major part is by shell construction, material and utilize resonance principle to reduce induction noise.
The automotive air intake noise elimination technique of China also is in the starting stage, only in other near field similar techniques is arranged.China Patent No. is that the patent documentation of CN90201032.8 discloses a kind of motorcycle intake noise reduction air filtration unit; China Patent No. is that the patent documentation of CN92243938.9 discloses a kind of air compressor air intake noise elimination filtering integrated apparatus.Above-mentioned technology all is to adopt single resonant intake system noise elimination structure, and this structure can not satisfy the requirement of client to car comfort.
The model utility content
Problem to be solved in the utility model provides a kind of automotive air intake noise elimination structure, its objective is the induction noise that reduces motor.
To achieve these goals, the technological scheme taked of the utility model is:
This automotive air intake noise elimination structure that is provided, be located on the air-strainer in the automotive engine air intake system, described air-strainer comprises filter cleaner upper shell and filter cleaner lower shell body, and formation upper shell honeycomb duct in the filter cleaner upper shell is stretched in the end that is located at the filter cleaner suction tude on the filter cleaner upper shell; The end that is located at the filter cleaner steam outlet pipe of filter cleaner lower shell body is stretched into and is constituted the lower shell body honeycomb duct in the filter cleaner lower shell body, and the port of described upper shell honeycomb duct and lower shell body honeycomb duct is horn-like in housing.
Establish the upper shell resonant cavity in described filter cleaner upper shell, its structure is by constituting cavity sealing, that center on the formed sub-circular of upper shell honeycomb duct tube wall between the horn mouth of described upper shell honeycomb duct and end thereof and the described filter cleaner upper shell.
In order to realize purpose same as described above, the utility model also provides a kind of automotive air intake noise elimination structure, and its technological scheme is;
On the air inlet pipeline of above-described air-strainer, establish air induction hose, described air induction hose is positioned at the outer end of air-strainer with above-mentioned filter cleaner suction tude and is connected, it is characterized in that: on the outer wall of described air induction hose, establish the air induction hose resonant cavity, and constitute the cavity volume of sealing jointly with the tube wall of air induction hose, on the tube wall of the air induction hose that is positioned at the air induction hose resonant cavity, if air induction hose resonance arm makes air induction hose be communicated with the air induction hose resonant cavity.
The diameter of described air induction hose resonance arm is less than air induction hose.
Described air induction hose resonance arm has a bending at the air induction hose resonant cavity, and its wrap direction is towards the airintake direction of air induction hose.
The utility model adopts technique scheme, by optimizing the air-strainer internal structure, portion utilizes air-strainer and honeycomb duct to constitute noise elimination structure, increase resonant cavity on the engine charge flexible pipe within it, reduces the induction noise of motor and reduces intake resistance; This structural manufacturing process is simple, and is with low cost, economizes on resources, and improved the NVH level, improves the travelling comfort of car load.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are made brief description:
Fig. 1 is an air filtering device structure schematic representation of the present utility model;
Fig. 2 is an air induction hose structural representation of the present utility model.
Be labeled as among the figure: 1, lower shell body honeycomb duct, 2, upper shell honeycomb duct, 3, upper shell resonant cavity, 4, the air induction hose resonant cavity, 5, air-strainer, 6, air induction hose, 7, filter cleaner lower shell body, 8, the filter cleaner upper shell, 9, the filter cleaner suction tude, 10, filter cleaner steam outlet pipe, 11, air induction hose resonance arm.
Embodiment
Below in conjunction with accompanying drawing to effect and annexation, the manufacturing process of embodiment of the present utility model such as structure, working principle, each several part and manipulate method etc., be described in further detail by embodiment, the technical solution of the utility model had the understanding more accurate, that complete sum is deep to help those skilled in the art.
The utility model purpose is: under limited arrangement space, by improving air intake system structure, reduce the engine charge noise.
To achieve these goals, the technological scheme taked of the utility model is:
The of the present utility model structure expressed as Fig. 1, the utility model is a kind of automotive air intake noise elimination structure, be located on the air-strainer 5 in the automotive engine air intake system, intake noise reduction structure of the present utility model mainly comprises air-strainer 5 assemblies, air induction hose 6 resonant cavity three parts.Described air-strainer 5 comprises filter cleaner upper shell 8 and filter cleaner lower shell body 7.
Formation upper shell honeycomb duct 2 in the filter cleaner upper shell 8 is stretched in the end that is located at the filter cleaner suction tude 9 on the filter cleaner upper shell 8; The end that is located at the filter cleaner steam outlet pipe 10 of filter cleaner lower shell body 7 is stretched into and is constituted lower shell body honeycomb ducts 1 in the filter cleaner lower shell body 7, and the port of described upper shell honeycomb duct 2 and lower shell body honeycomb duct 1 is horn-like in housing.
Establish upper shell resonant cavity 3 in described filter cleaner upper shell 8, its structure is by constituting cavity sealing, that center on the formed sub-circular of upper shell honeycomb duct 2 tube walls between the horn mouth of described upper shell honeycomb duct 2 and end thereof and the described filter cleaner upper shell 8.
Above-mentioned automotive air intake noise elimination structure mainly is made up of the filter cleaner upper shell 8 and filter cleaner lower shell body 7 interior lower shell body honeycomb duct 1, upper shell honeycomb duct 2 and upper shell resonant cavity 3 several sections that are arranged on air-strainer 5 assemblies, and the manufacturing process of this structure is simple; By lower shell body honeycomb duct 1 and upper shell honeycomb duct 2, effectively reduced intake resistance, improved the performance of motor.Above-mentioned honeycomb duct has the effect of drainage and sealing concurrently, after the sealing with filter cleaner upper shell 8 rear portions as a resonant cavity, the bell-mouthed effect of honeycomb duct has effectively reduced intake resistance, has improved the power character and the Economy of motor; By upper shell resonant cavity 3, effectively reduce induction noise simultaneously, improved the travelling comfort of car load.The principle of resonant cavity 3 is to utilize the resonance of sound wave at resonant cavity 3, and the effect of cancelling each other with damping is played in the vibration of charge air flow, realizes the consumption to the vibrational energy of charge air flow.
In order to realize purpose same as described above, the utility model also provides a kind of automotive air intake noise elimination structure, and its technological scheme is:
As shown in Figure 2, on the air inlet pipeline of above-described air-strainer 5, establish air induction hose 6, described air induction hose 6 and above-mentioned filter cleaner suction tude 9 are positioned at air-strainer 5 outer ends and are connected, it is characterized in that: on the outer wall of described air induction hose 6, establish air induction hose resonant cavity 4, and constitute the cavity volume of sealing jointly with the tube wall of air induction hose 6, on the tube wall of the air induction hose 6 that is positioned at air induction hose resonant cavity 4, if air induction hose resonance arm 11 makes air induction hose 6 be communicated with air induction hose resonant cavity 4.
Above-mentioned automotive air intake noise elimination structure mainly is made up of the air induction hose resonance arm 11 that the air induction hose resonant cavity of arranging on the air induction hose 64 reaches in air induction hose resonant cavity 4.This structure and preparation process are simple, by air induction hose resonant cavity 4 and air induction hose resonance arm 11, have effectively reduced induction noise, have improved the travelling comfort of car load.Under the situation that does not change intake resistance, on air induction hose 6, increase an air induction hose resonant cavity 4, the engine charge noise is reached greatly reduce, improved the noise abatement of car load well, improved the car load travelling comfort.The principle of the noise reduction of air induction hose resonant cavity 4 is to utilize the resonance of sound wave at air induction hose resonant cavity 4, and the effect of cancelling each other with damping is played in the vibration of air-flow, realizes the consumption to the vibrational energy of charge air flow.
In order to make being provided with of above-mentioned air induction hose resonance arm 11 can not produce excessive influence to the air-flow in the air induction hose 6, as producing the disturbance of charge air flow, the diameter of described air induction hose resonance arm 11 is less than air induction hose 6.
Described air induction hose resonance arm 11 has a bending at air induction hose resonant cavity 4, its wrap direction is towards the airintake direction of air induction hose 6, this bending direction makes the effect of resonance best, because the phase place of resonance is opposite with charge air flow just, realizes cancelling each other of airstream vibration.
What the utility model adopted is rationally to utilize arrangement space and resonance noise elimination and housing noise-cancelling theory, by optimizing the air-strainer internal structure, in the filter cleaner upper shell 8 of air-strainer 5 and filter cleaner lower shell body 7, increase lower shell body honeycomb duct 1, upper shell honeycomb duct 2, simultaneously a upper shell resonant cavity 3 is arranged in the air-strainer upper shell, another air induction hose resonant cavity 4 is arranged on the air induction hose 6, thereby reasonable use arrangement space, reduced the engine charge noise simultaneously, thereby satisfied people the more and more stricter NVH travelling comfort requirement of car.
This structural manufacturing process is simple, and is with low cost, economizes on resources, and well improved the NVH level of car load.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technological scheme to carry out; or design of the present utility model and technological scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.
Claims (5)
1. automotive air intake noise elimination structure, be located on the air-strainer (5) in the automotive engine air intake system, described air-strainer (5) comprises filter cleaner upper shell (8) and filter cleaner lower shell body (7), it is characterized in that: formation upper shell honeycomb duct (2) in the filter cleaner upper shell (8) is stretched in the end that is located at the filter cleaner suction tude (9) on the filter cleaner upper shell (8); The end that is located at the filter cleaner steam outlet pipe (10) of filter cleaner lower shell body (7) is stretched into and is constituted lower shell body honeycomb duct (1) in the filter cleaner lower shell body (7), and the port of described upper shell honeycomb duct (2) and lower shell body honeycomb duct (1) is horn-like in housing.
2. automotive air intake noise elimination structure according to claim 1, it is characterized in that: establish upper shell resonant cavity (3) in described filter cleaner upper shell (8), its structure is by constituting cavity sealing, that center on the formed sub-circular of upper shell honeycomb duct (2) tube wall between the horn mouth of described upper shell honeycomb duct (2) and end thereof and the described filter cleaner upper shell (8).
3. automotive air intake noise elimination structure, be on the air inlet pipeline of the described air-strainer of claim 1 (5), to establish air induction hose (6), described air induction hose (6) is positioned at the outer end of air-strainer (5) with the described filter cleaner suction tude of claim 1 (9) and is connected, it is characterized in that: on the outer wall of described air induction hose (6), establish air induction hose resonant cavity (4), and constitute the cavity volume of sealing jointly with the tube wall of air induction hose (6), on the tube wall of the air induction hose that is positioned at air induction hose resonant cavity (4) (6), if air induction hose resonance arm (11) makes air induction hose (6) be communicated with air induction hose resonant cavity (4).
4. automotive air intake noise elimination structure according to claim 3 is characterized in that: the diameter of described air induction hose resonance arm (11) is less than air induction hose (6).
5. according to claim 3 or 4 described automotive air intake noise elimination structures, it is characterized in that: described air induction hose resonance arm (11) has a bending at air induction hose resonant cavity (4), and its wrap direction is towards the airintake direction of air induction hose (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200361861U CN201041110Y (en) | 2007-04-10 | 2007-04-10 | Air admission silencing structure of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200361861U CN201041110Y (en) | 2007-04-10 | 2007-04-10 | Air admission silencing structure of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201041110Y true CN201041110Y (en) | 2008-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200361861U Expired - Fee Related CN201041110Y (en) | 2007-04-10 | 2007-04-10 | Air admission silencing structure of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201041110Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720577A (en) * | 2012-06-26 | 2012-10-10 | 徐州重型机械有限公司 | Exhaust system for crane |
| CN105003369A (en) * | 2015-07-03 | 2015-10-28 | 力帆实业(集团)股份有限公司 | Vehicle intake silencing structure |
| CN108361132A (en) * | 2018-01-18 | 2018-08-03 | 安徽合力股份有限公司 | A kind of forklift engine gas handling system with noise reduction branch pipe |
-
2007
- 2007-04-10 CN CNU2007200361861U patent/CN201041110Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720577A (en) * | 2012-06-26 | 2012-10-10 | 徐州重型机械有限公司 | Exhaust system for crane |
| CN102720577B (en) * | 2012-06-26 | 2015-04-29 | 徐州重型机械有限公司 | Exhaust system for crane |
| CN105003369A (en) * | 2015-07-03 | 2015-10-28 | 力帆实业(集团)股份有限公司 | Vehicle intake silencing structure |
| CN108361132A (en) * | 2018-01-18 | 2018-08-03 | 安徽合力股份有限公司 | A kind of forklift engine gas handling system with noise reduction branch pipe |
| CN108361132B (en) * | 2018-01-18 | 2023-07-21 | 安徽合力股份有限公司 | Fork truck engine air intake system with amortization branch pipe |
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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 |
Owner name: SAIC CHERY AUTOMOBILE CO., LTD. Free format text: FORMER NAME OR ADDRESS: QIRUI AUTOMOBILE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui 241009, China Patentee after: Saic Chery Automobile Co., Ltd. Address before: No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui 241009, China Patentee before: Qirui Automobile Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080326 Termination date: 20120410 |