CN103982490A - Oil way noise reduction device and transmission oil way - Google Patents
Oil way noise reduction device and transmission oil way Download PDFInfo
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- CN103982490A CN103982490A CN201410216962.0A CN201410216962A CN103982490A CN 103982490 A CN103982490 A CN 103982490A CN 201410216962 A CN201410216962 A CN 201410216962A CN 103982490 A CN103982490 A CN 103982490A
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- oil
- expansion chamber
- denoiser
- flow
- oil circuit
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention provides an oil way noise reduction device and a transmission oil way. The oil way noise reduction device comprises a housing in which an expansion chamber is formed, and a turbulence part that is arranged in the expansion chamber; the housing is provided with an oil inlet hole and an oil outlet hole which are communicated with the expansion chamber; the turbulence part is a sold part and fixed into the expansion chamber; the maximum blocking area of the turbulence part is 0.2 to 0.5 times the cross section of the expansion chamber. With the adoption of the oil way noise reduction device, the structure strength of the turbulence part can be ensured as well as the reasonable turbulence, and thus the vibration absorption and noise reduction can be realized.
Description
Technical field
The present invention relates to hydraulic plumbing system, be specifically related to a kind of oil circuit Denoiser.
Background technique
In the hydraulic pipe line of automobile, the oil pump of stepless speed variator inside is connected with motor by coupling, and then provides power for speed changer liquid flows.The oil outlet of speed changer is connected with oil cooler, and oil cooler carries out cool cycles to the liquid of speed changer.Meanwhile, liquid can be passed to vibrating noise in car by the medium such as connecting pipeline and oil cooler, affects ride comfort, and low-frequency noise is particularly evident in the time that engine speed is low.For reducing transmission oil pump noise, conventionally the connecting pipeline between speed changer and oil cooler is set as to rubber hose, but noise reduction damping effect is very poor at present.For addressing the above problem, conventionally realize damping at pipeline middle part series connection knock out drum, existing knock out drum employing setting in expansion chamber has the orifice plate of multiple apertures and realizes flow-disturbing, there are the following problems for said structure: orifice plate is generally thinner, the long-term orifice plate that uses is easily torn or is out of shape from the edge in hole, affect normal damping noise reduction, when serious, affect the normal work of expansion chamber.Therefore be badly in need of a kind of reliable in structure, can realize the oil circuit Denoiser of damping noise reduction.
Summary of the invention
In order to address the above problem, the invention provides a kind of oil circuit Denoiser, it can ensure the structural strength of flow-disturbing part, guarantees reasonable flow-disturbing simultaneously and then realizes damping noise reduction.
The technological scheme addressing the above problem:
A kind of oil circuit Denoiser, in comprising, establish the housing of expansion chamber, with the flow-disturbing part that is arranged at described expansion chamber, described housing has the oil inlet hole and the oil outlet that are communicated with expansion chamber, described flow-disturbing part is solid member, and be fixed in described expansion chamber, the maximum of described flow-disturbing part stops that area is 0.2～0.5 times of cross-section area of described expansion chamber.
Selectable, described flow-disturbing part is near described oil outlet setting.
Selectable, described flow-disturbing part comprises fixing part and is connected with described fixing part multiple blades, described blade is perpendicular to described oil inlet hole, and each blade is sequentially around described fixing part setting, and the size of described blade is sequentially incremental.
Selectable, the edge of described blade is circular, between adjacent two blades, adopts round-corner transition.
Selectable, described housing comprises that the sidewall of tubular and two are positioned at the cover plate of end, described oil inlet hole, described oil outlet lay respectively at two described on cover plate, described flow-disturbing part is fixed on the cover plate at described oil outlet place, between described blade and described cover plate, has gap.
Selectable, described oil inlet hole, described oil outlet are at described cover plate upper offset, and the center line of described oil inlet hole, the relatively described sidewall of described oil outlet is centrosymmetric.
A kind of speed changer oil circuit, it comprises oil circuit Denoiser, and speed changer, oil cooler, and described speed changer is connected by connecting pipeline with described oil cooler, described oil circuit Denoiser is connected in described connecting pipeline, and the cross-section area of described expansion chamber is greater than the cross-section area of described connecting pipeline.
Selectable, the cross-section area of the lumen pore of described expansion chamber is 5～10 times of cross-section area of the lumen pore of described connecting pipeline.
Selectable, comprise fixed support, cushion, described support bracket fastened two ends connect respectively described oil circuit Denoiser and vehicle body, and described cushion is between described vehicle body and described fixed support.
Beneficial effect of the present invention:
Oil circuit Denoiser of the present invention is realized flow velocity to liquid in oil circuit and the change of frequency by being located at flow-disturbing part in expansion chamber, flow-disturbing part is entity, the maximum of flow-disturbing part stops that area is 0.2～0.5 times of expansion chamber cross-section area, can ensure the structural strength of flow-disturbing part, guarantee reasonable flow-disturbing simultaneously, be unlikely to stop that area is too large and affect flow of fluid or stop that area is too little and flow-disturbing effect is poor, motivational feedback after liquid is hit by flow-disturbing part affects flow of fluid vibration frequency, caliber suddenly becomes large liquid and will be cushioned preferably, then the liquid flow-disturbing part of flowing through, when the different liquid of vibration frequency and phase place converges to oil outlet tube, amplitude will obviously reduce.
Brief description of the drawings
Fig. 1 is the structural representation of the oil circuit Denoiser of the embodiment of the present invention;
Fig. 2 is the sectional view of the A-A in Fig. 1;
Fig. 3 is the three-dimensional structure diagram of the flow-disturbing part of the embodiment of the present invention;
Fig. 4 is the fixed support of the embodiment of the present invention and the structural representation of cushion;
Fig. 5 is the structural representation of the speed changer oil circuit of the embodiment of the present invention.
Description of reference numerals: 1-housing, 11-expansion chamber, 12-oil inlet hole, 13-oil outlet, 14-sidewall, 15,16-cover plate, 2-flow-disturbing part, 21-fixing part, 22-blade, 3-connecting pipeline, 4-fixed support, 5-cushion, 6-oil inlet pipe, 7-oil outlet tube, 8-oil circuit Denoiser.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.
As shown in Figure 1, oil circuit Denoiser 8 comprises housing 1, flow-disturbing part 2, in housing 1, it is expansion chamber 11, housing 1 has the oil inlet hole 12 and the oil outlet 13 that are communicated with expansion chamber 11, flow-disturbing part 2 is fixed in expansion chamber 11, flow-disturbing part 2 is solid member, and the maximum of flow-disturbing part 2 stops that area is 0.2～0.5 times of cross-section area of expansion chamber 11.Oil inlet hole 12 can be connected with oil inlet pipe 6, and oil outlet 13 can be connected with oil outlet tube 7.Liquid flows to expansion chamber 11 from oil inlet hole 12, and the maximum of flow-disturbing part 2 stops that area is the area of flow-disturbing part 2 perpendicular to the maximum cross section of liquid flow direction.
Oil circuit Denoiser 8 is realized flow velocity to liquid in oil circuit and the change of frequency by being located at flow-disturbing part 2 in expansion chamber 11, flow-disturbing part 2 is entity, the maximum of flow-disturbing part 2 stops that area is 0.2～0.5 times of expansion chamber 11 cross-section areas, can ensure the structural strength of flow-disturbing part 2, guarantee reasonable flow-disturbing simultaneously, be unlikely to stop that area is too large and affect flow of fluid or stop that area is too little and flow-disturbing effect is poor, motivational feedback after liquid is hit by flow-disturbing part 2 affects flow of fluid vibration frequency, caliber suddenly becomes large liquid and will be cushioned preferably, then the liquid flow-disturbing diaphragm of flowing through, when the different liquid of vibration frequency and phase place converges to oil outlet tube 7, amplitude will obviously reduce.
Flow-disturbing part 2 can be one or more plates, and flow-disturbing part 2 can be positioned at the arbitrary position of expansion chamber 11, as long as the maximum of flow-disturbing part 2 stops that area meets above-mentioned requirements.Preferably, flow-disturbing part 2 arranges near oil outlet 13.Flow-disturbing part 2 has enough alleviation spatial flows can make liquid enter near oil outlet 13 time, in the mobile frequency that changes liquid near oil outlet place, the flow of fluid frequency that flows to oil outlet is changed.
Flow-disturbing part 2 can be discoid, ellipticity, fan-shaped or other curve forms.Preferably, multiple blades 22 that flow-disturbing part 2 comprises fixing part 21 and is connected with fixing part 21, blade 22 is perpendicular to oil inlet hole 12, and each blade 22 sequentially arranges around fixing part 21, and the size of blade 22 is sequentially incremental.Adopt the structure of blade type and blade 22 difference in size alienation can ensure that liquid is flowed through behind spoiler edge and obtain different mobile frequencies, can better damping noise reduction.
As shown in Figure 2,3, the edge of blade 22 can be the shape such as circular, oval, fan-shaped, can be without connection between adjacent blades 22, blade 22 is only connected with fixing part 21, also adjacent blades 22 can be smoothly connected, preferably, the edge of blade 22 is circular, between adjacent two blades 22, adopts round-corner transition.Adopt this structure to make flow of fluid stable, be conducive to reduce noise.
Flow-disturbing part 2 can be fixed on sidewall 14, or near on the cover plate 16 of oil outlet 13, preferably, housing 1 comprises that the sidewall 14 of tubular and two are positioned at the cover plate 15,16 of end, oil inlet hole 12, oil outlet 13 lay respectively on two cover plates 15,16, flow-disturbing part 2 is fixed on the cover plate 16 at oil outlet 13 places, between blade 22 and cover plate 16, has gap.Flow-disturbing part 2 is fixed on the cover plate 16 at oil outlet 13 places, is convenient to install fixing.
Oil inlet hole 12, oil outlet 13 are preferred, and oil inlet hole 12 is at cover plate 15 upper offsets, oil outlet 13 at cover plate 16 upper offsets, and the center line of oil inlet hole 12, oil outlet 13 opposing sidewalls 14 is centrosymmetric.
As shown in Figure 4,5, a kind of speed changer oil circuit, the oil circuit Denoiser 8 that it comprises, and speed changer, oil cooler, speed changer is connected by connecting pipeline 3 with oil cooler, and oil circuit Denoiser 8 is connected in connecting pipeline 3, and the cross-section area of expansion chamber 11 is greater than the cross-section area of connecting pipeline 3.The use of oil circuit Denoiser 8 in speed changer oil circuit, greatly reduces flow of fluid noise and the vibration of speed changer oil circuit.
The cross-section area that the cross-section area of the lumen pore of expansion chamber 11 is greater than the lumen pore of connecting pipeline 3 could be realized the effect of buffering liquid, preferred, and the cross-section area of the lumen pore of expansion chamber 11 is 5～10 times of cross-section area of the lumen pore of connecting pipeline 3.The minimum Calculation of Effective Volume formula of expansion chamber: Vs=0.026*Pd* (Ts/ ρ) 1/4, Vs is the minimal buffering volume needing; Pd is knock out drum inlet flow rate; Ts is fluid kelvin temperature; ρ is transmission oil density.Wherein Vs is relevant with the cross-section area of expansion chamber, and Pd is relevant with the cross-section area of the lumen pore of connecting pipeline.Adopt this structure to there is better cushioning effect.
Preferably, comprise fixed support 4, cushion 5, the two ends of fixed support 4 connect respectively oil circuit Denoiser 8 and vehicle body, and cushion 5 is between vehicle body and fixed support 4.Oil circuit Denoiser 8 is fixed by fixed support 4 and vehicle body, and cushion 5 can absorb vibration and impact, and avoids Denoiser to contact with the direct rigidity of vehicle body.
Although the present invention is described in conjunction with above embodiment, but the present invention is not limited to above-described embodiment, and being only subject to the restriction of claims, those of ordinary skill in the art can easily modify to it and change, but do not leave essence design of the present invention and scope.
Claims (9)
1. an oil circuit Denoiser, in comprising, establish the housing of expansion chamber, with the flow-disturbing part that is arranged at described expansion chamber, described housing has the oil inlet hole and the oil outlet that are communicated with expansion chamber, it is characterized in that, described flow-disturbing part is solid member, and is fixed in described expansion chamber, and the maximum of described flow-disturbing part stops that area is 0.2～0.5 times of cross-section area of described expansion chamber.
2. oil circuit Denoiser according to claim 1, is characterized in that, described flow-disturbing part is near described oil outlet setting.
3. oil circuit Denoiser according to claim 2, it is characterized in that, multiple blades that described flow-disturbing part comprises fixing part and is connected with described fixing part, described blade is perpendicular to described oil inlet hole, each blade is sequentially around described fixing part setting, and the size of described blade is sequentially incremental.
4. oil circuit Denoiser according to claim 3, is characterized in that, the edge of described blade is circular, between adjacent two blades, adopts round-corner transition.
5. according to the oil circuit Denoiser described in any one in claim 3,4, it is characterized in that, described housing comprises that the sidewall of tubular and two are positioned at the cover plate of end, described oil inlet hole, described oil outlet lay respectively at two described on cover plate, described flow-disturbing part is fixed on the cover plate at described oil outlet place, between described blade and described cover plate, has gap.
6. oil circuit Denoiser according to claim 5, is characterized in that, described oil inlet hole, described oil outlet are at described cover plate upper offset, and the center line of described oil inlet hole, the relatively described sidewall of described oil outlet is centrosymmetric.
7. a speed changer oil circuit, it is characterized in that, it comprises the oil circuit Denoiser as described in any one in claim 1～6, and speed changer, oil cooler, described speed changer is connected by connecting pipeline with described oil cooler, described oil circuit Denoiser is connected in described connecting pipeline, and the cross-section area of described expansion chamber is greater than the cross-section area of described connecting pipeline.
8. speed changer oil circuit according to claim 7, is characterized in that, the cross-section area of the lumen pore of described expansion chamber is 5～10 times of cross-section area of the lumen pore of described connecting pipeline.
9. oil circuit Denoiser according to claim 7, is characterized in that, comprises fixed support, cushion, and described support bracket fastened two ends connect respectively described oil circuit Denoiser and vehicle body, and described cushion is between described vehicle body and described fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216962.0A CN103982490B (en) | 2014-05-21 | 2014-05-21 | A kind of oil circuit denoiser and variator oil circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216962.0A CN103982490B (en) | 2014-05-21 | 2014-05-21 | A kind of oil circuit denoiser and variator oil circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103982490A true CN103982490A (en) | 2014-08-13 |
| CN103982490B CN103982490B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410216962.0A Expired - Fee Related CN103982490B (en) | 2014-05-21 | 2014-05-21 | A kind of oil circuit denoiser and variator oil circuit |
Country Status (1)
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| CN (1) | CN103982490B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889638A (en) * | 2016-06-07 | 2016-08-24 | 东风柳州汽车有限公司 | Integrated oil cooling pipeline |
Citations (7)
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| NL1006635C2 (en) * | 1997-07-21 | 1999-01-25 | Gerard De Jager | Pipe containing element for increasing flow resistance |
| US6269841B1 (en) * | 1997-04-30 | 2001-08-07 | Dayco Products Llc | Energy attenuation apparatus for a system conveying liquid under pressure and method of attenuating energy in such a system |
| CN1614202A (en) * | 2004-08-23 | 2005-05-11 | 王洪泽 | Muffler on fluid pipe and instralling method thereof |
| CN201347785Y (en) * | 2008-12-22 | 2009-11-18 | 姜志明 | Muffler with impeller blade |
| CN103397932A (en) * | 2013-08-23 | 2013-11-20 | 宁波舜江汽车部件制造有限公司 | Automotive intercooler connecting tube |
| CN203499770U (en) * | 2013-10-18 | 2014-03-26 | 安徽江淮汽车股份有限公司 | Silencer for car |
| CN203879849U (en) * | 2014-05-21 | 2014-10-15 | 安徽江淮汽车股份有限公司 | Oil line noise reduction device and speed changer oil line |
-
2014
- 2014-05-21 CN CN201410216962.0A patent/CN103982490B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6269841B1 (en) * | 1997-04-30 | 2001-08-07 | Dayco Products Llc | Energy attenuation apparatus for a system conveying liquid under pressure and method of attenuating energy in such a system |
| NL1006635C2 (en) * | 1997-07-21 | 1999-01-25 | Gerard De Jager | Pipe containing element for increasing flow resistance |
| CN1614202A (en) * | 2004-08-23 | 2005-05-11 | 王洪泽 | Muffler on fluid pipe and instralling method thereof |
| CN201347785Y (en) * | 2008-12-22 | 2009-11-18 | 姜志明 | Muffler with impeller blade |
| CN103397932A (en) * | 2013-08-23 | 2013-11-20 | 宁波舜江汽车部件制造有限公司 | Automotive intercooler connecting tube |
| CN203499770U (en) * | 2013-10-18 | 2014-03-26 | 安徽江淮汽车股份有限公司 | Silencer for car |
| CN203879849U (en) * | 2014-05-21 | 2014-10-15 | 安徽江淮汽车股份有限公司 | Oil line noise reduction device and speed changer oil line |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889638A (en) * | 2016-06-07 | 2016-08-24 | 东风柳州汽车有限公司 | Integrated oil cooling pipeline |
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| Publication number | Publication date |
|---|---|
| CN103982490B (en) | 2016-08-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Mu Haining Inventor after: Weng Rui Inventor after: Xue Lin Inventor before: Jin Yanfang Inventor before: Weng Rui Inventor before: Mu Haining |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| 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 Corp.,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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |