CN102367791A - Intake silencer used in air compressor of light truck pneumatic brake system - Google Patents
Intake silencer used in air compressor of light truck pneumatic brake system Download PDFInfo
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- CN102367791A CN102367791A CN2011103445751A CN201110344575A CN102367791A CN 102367791 A CN102367791 A CN 102367791A CN 2011103445751 A CN2011103445751 A CN 2011103445751A CN 201110344575 A CN201110344575 A CN 201110344575A CN 102367791 A CN102367791 A CN 102367791A
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- air
- muffler body
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- intake silencer
- light truck
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Abstract
The invention relates to an intake silencer used in an air compressor of a light truck pneumatic brake system. The intake silencer comprises a cylindrical silencer body, wherein one end of the silencer body is provided with an air inlet, the other end of the silencer body is provided with an air outlet, and clapboards close to two ends of the silencer body are respectively arranged in the silencer body and divide the silencer body into an air inlet cavity, a processing cavity and an air outlet cavity; air holes are uniformly distributed on the clapboard; and a side wall of the air inlet cavity, adjacent to the processing cavity, is communicated with a quarter-wavelength tube which is an L-shaped tube. The silencer disclosed by the invention is arranged between an air inlet pipe of an air compressor and an air inlet pipe of a booster, an expanding pipe structure can be used for changing reflection and interference performances of sound waves, and the structure of the quarter-wavelength tube can be used for eliminating noises of specific frequency by using a sound wave reflection law.
Description
Technical field
The invention belongs to Automobile air braking system technical field, be specifically related to be used for the intake silencer of light truck air braking system air compressor.
Background technique
The gas handling system noise is one of car load noise constituent element, is one of important noise source and brake vehicle gas handling system air compressor noise for gas.And compressor noise is handled bad, can cause influences such as subjective sensation air inlet oppressiveness, air inlet abnormal sound to gas handling system, image product is caused have a strong impact on.At present, for light truck compressor operating noise, general processing method is decay of sky filter and overstriking compressor inleting pipe road, separately its noise behavior is not studied and is eliminated, and it is unsatisfactory to do the noise elimination effect like this.For the big type of part compressor noise energy level, this method can not play good action.Therefore, the compressor intake silencer of designing a kind of special use is the light truck Development Trend to reduce the compressor induction noise.
Summary of the invention
To the bigger problem of inflating pump noise in the light truck air inlet system, the present invention adopts air compressor intake silencer assembly in the compressor inleting pipe road, a kind of intake silencer that is used for light truck air braking system air compressor promptly is provided.
Concrete technical solution of the present invention is following:
The intake silencer that is used for light truck air braking system air compressor comprises the muffler body of cylindrical tube shape, and an end of muffler body is a suction port, and the other end is the air outlet; And the diameter of muffler body is greater than suction port, and simultaneously greater than the air outlet diameter, the three constitutes expansion chamber; Place, nearly two ends is provided with dividing plate respectively in the muffler body, and dividing plate is with being divided into air-inlet cavity, process chamber and outlet chamber three parts in the muffler body; Be laid with pore on the dividing plate; Be communicated with the quarter-wave long tube on process chamber one sidewall adjacent with air-inlet cavity, the quarter-wave long tube is L shaped pipe.
The axial length of said air-inlet cavity and outlet chamber equates that the length of air-inlet cavity and the length of outlet chamber are 1/5th of process chamber axial length.
The diameter of said muffler body is 60～70 ㎜; The suction port of muffler body and air outlet equal diameters, and be 1/3rd of muffler body diameter.
The diameter of said quarter-wave long tube is the diameter 2/3rds of muffler body, and length equals compressor operating noise wavelength's 1/4.
Hole diameter on the said dividing plate is 6 ㎜, and the percent opening of pore is 10～12% on the dividing plate.
Silencing apparatus of the present invention is arranged between air compressor suction tude and the pressurized machine suction tude, the reflection of expanding duct structural change sound wave and interference performance, and the quarter-wave long tube structure utilizes the acoustic reflection rule can eliminate the noise of CF.
Compressor intake silencer of the present invention application testing on corresponding vehicle; The using effect of compressor intake silencer is obvious; Make the noise of gas handling system 267Hz, 275Hz and 451Hz Frequency point obviously reduce, the gas handling system noise has reduced 0.5dB～1.0 dB.Silencing apparatus of the present invention satisfies performance requirement.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the perforated plate structural representation.
Fig. 3 is user mode figure of the present invention.
Sequence number among the last figure: suction port 1, dividing plate 2, muffler body 3, quarter-wave long tube 4, air outlet 5, air compressor 6, air cleaner assy 7.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done explanation further through embodiment.
Embodiment:
Referring to Fig. 1; The intake silencer that is used for light truck air braking system air compressor comprises the muffler body 3 of cylindrical tube shape, and an end of muffler body 3 is a suction port 1, and the other end is air outlet 5; Place, nearly two ends is provided with dividing plate 2 respectively in the muffler body 3; Dividing plate 2 is with being divided into air-inlet cavity, process chamber and outlet chamber three parts in the muffler body, the axial length of air-inlet cavity and outlet chamber equates that the length of air-inlet cavity and the length of outlet chamber are 1/5th of process chamber axial length.Be laid with pore 2.1 on the dividing plate 2, the diameter of pore is 6 ㎜, and the percent opening of dividing plate 2 is 11%, sees Fig. 2.Be communicated with L shaped quarter-wave long tube 4 on process chamber one sidewall adjacent with outlet chamber.
The diameter of muffler body 3 is 60 ㎜, its suction port 1 and air outlet 5 equal diameters, and be 1/3rd of muffler body diameter; The diameter of quarter-wave long tube 4 is the diameter 2/3rds of muffler body 3.
During use, see Fig. 3, the suction port 1 of this intake silencer and air compressor 6 fixedly are communicated with through hose clamp, and the air outlet 5 of intake silencer fixedly is communicated with air cleaner assy 7 hose clamps.
During work, muffler body 3 diameters are greater than suction port 1, air outlet 5 diameters, and triplicity forms the expansion chamber structure, noise through the time obtain decay.When noise passed through the pore of dividing plate 2, owing to the variation that all has the sound channel sectional area at each pore place, each pore place all was equivalent to a small-sized expanding duct structure.1/4 wavelength tubular construction utilizes the acoustic reflection rule can eliminate the noise of CF, but tube length needs to calculate according to wavelength.Finally, the noise that transmits from the brake system air compressor is obviously reduced.
Claims (5)
1. be used for the intake silencer of light truck air braking system air compressor, it is characterized in that: comprise the muffler body of cylindrical tube shape, an end of muffler body is a suction port, and the other end is the air outlet; And the diameter of muffler body is greater than suction port, and simultaneously greater than the air outlet diameter, the three constitutes expansion chamber; Place, nearly two ends is provided with dividing plate respectively in the muffler body, and dividing plate is with being divided into air-inlet cavity, process chamber and outlet chamber three parts in the muffler body; Be laid with pore on the dividing plate; Be communicated with the quarter-wave long tube on process chamber one sidewall adjacent with air-inlet cavity, the quarter-wave long tube is L shaped pipe.
2. the intake silencer that is used for light truck air braking system air compressor according to claim 1; It is characterized in that: the axial length of said air-inlet cavity and outlet chamber equates that the length of air-inlet cavity and the length of outlet chamber are 1/5th of process chamber axial length.
3. the intake silencer that is used for light truck air braking system air compressor according to claim 1 is characterized in that: the diameter of said muffler body is 60～70 ㎜; The suction port of muffler body and air outlet equal diameters, and be 1/3rd of muffler body diameter.
4. the intake silencer that is used for light truck air braking system air compressor according to claim 1; It is characterized in that: the diameter of said quarter-wave long tube is the diameter 2/3rds of muffler body, and length equals compressor operating noise wavelength's 1/4.
5. the intake silencer that is used for light truck air braking system air compressor according to claim 1 is characterized in that: the hole diameter on the said dividing plate is 6 ㎜, and the percent opening of pore is 10～12% on the dividing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103445751A CN102367791A (en) | 2011-11-04 | 2011-11-04 | Intake silencer used in air compressor of light truck pneumatic brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103445751A CN102367791A (en) | 2011-11-04 | 2011-11-04 | Intake silencer used in air compressor of light truck pneumatic brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102367791A true CN102367791A (en) | 2012-03-07 |
Family
ID=45760378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103445751A Pending CN102367791A (en) | 2011-11-04 | 2011-11-04 | Intake silencer used in air compressor of light truck pneumatic brake system |
Country Status (1)
| Country | Link |
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| CN (1) | CN102367791A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256153A (en) * | 2013-05-10 | 2013-08-21 | 同济大学 | Broadband silencer for engine air inflow system |
| CN105443284A (en) * | 2015-12-18 | 2016-03-30 | 力帆实业(集团)股份有限公司 | Engine and air inlet hose thereof and car |
| CN105927499A (en) * | 2016-04-21 | 2016-09-07 | 海信（山东）空调有限公司 | Exhaust silencer of compressor |
| CN111810380A (en) * | 2020-06-09 | 2020-10-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencing device, compressor assembly comprising same and refrigerator |
| CN115956819A (en) * | 2021-10-13 | 2023-04-14 | 广东美的生活电器制造有限公司 | Noise reduction device, base and food processor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2192727Y (en) * | 1994-01-28 | 1995-03-22 | 潘增合 | Anti-exp silencing device of multifunction dissipative muffler |
| CN2223354Y (en) * | 1994-05-25 | 1996-03-27 | 修世玉 | Wide band resistant dissipative muffler against low and middle frequency noise wide band |
| CN1849441A (en) * | 2003-07-28 | 2006-10-18 | 开利公司 | Muffler for noise reduction |
| CN1894508A (en) * | 2003-12-15 | 2007-01-10 | 比泽尔制冷设备有限公司 | Worm compressor provided with a sound absorber |
| CN101737122A (en) * | 2010-01-28 | 2010-06-16 | 任小平 | Exhaust muffler of high-power diesel engine |
| CN202326084U (en) * | 2011-11-04 | 2012-07-11 | 安徽江淮汽车股份有限公司 | Air inlet muffler for air compressor of light-weight truck air brake system |
-
2011
- 2011-11-04 CN CN2011103445751A patent/CN102367791A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2192727Y (en) * | 1994-01-28 | 1995-03-22 | 潘增合 | Anti-exp silencing device of multifunction dissipative muffler |
| CN2223354Y (en) * | 1994-05-25 | 1996-03-27 | 修世玉 | Wide band resistant dissipative muffler against low and middle frequency noise wide band |
| CN1849441A (en) * | 2003-07-28 | 2006-10-18 | 开利公司 | Muffler for noise reduction |
| CN1894508A (en) * | 2003-12-15 | 2007-01-10 | 比泽尔制冷设备有限公司 | Worm compressor provided with a sound absorber |
| CN101737122A (en) * | 2010-01-28 | 2010-06-16 | 任小平 | Exhaust muffler of high-power diesel engine |
| CN202326084U (en) * | 2011-11-04 | 2012-07-11 | 安徽江淮汽车股份有限公司 | Air inlet muffler for air compressor of light-weight truck air brake system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256153A (en) * | 2013-05-10 | 2013-08-21 | 同济大学 | Broadband silencer for engine air inflow system |
| CN105443284A (en) * | 2015-12-18 | 2016-03-30 | 力帆实业(集团)股份有限公司 | Engine and air inlet hose thereof and car |
| CN105927499A (en) * | 2016-04-21 | 2016-09-07 | 海信（山东）空调有限公司 | Exhaust silencer of compressor |
| CN111810380A (en) * | 2020-06-09 | 2020-10-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencing device, compressor assembly comprising same and refrigerator |
| CN115956819A (en) * | 2021-10-13 | 2023-04-14 | 广东美的生活电器制造有限公司 | Noise reduction device, base and food processor |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120307 |