CN104806346A - Method and device for improving noise of supercharger of passenger vehicle - Google Patents
Method and device for improving noise of supercharger of passenger vehicle Download PDFInfo
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- CN104806346A CN104806346A CN201510214384.1A CN201510214384A CN104806346A CN 104806346 A CN104806346 A CN 104806346A CN 201510214384 A CN201510214384 A CN 201510214384A CN 104806346 A CN104806346 A CN 104806346A
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- air inlet
- valve body
- inlet tube
- main valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention discloses a method for improving the noise of a supercharger of a passenger vehicle. A bypass pipe connected in parallel with an air compressor is mounted between an air inlet pipe of the air compressor and the air inlet pipe of an engine, and an air flow switching device is used for realizing alternant opening and closing of a pipeline between the bypass pipe and an air outlet pipe of the air compressor and a pipeline between the bypass pipe and the air inlet pipe of the engine so as to reduce and shorten the end sound of the supercharger. The invention discloses the air flow switching device for improving the noise of the supercharger of the passenger vehicle; the device comprises a switching valve which is connected in a driving manner with an accelerator and used for controlling the alternant opening and closing of the pipeline between the bypass pipe and the air outlet pipe of the air compressor and the pipeline between the bypass pipe and the air inlet pipe of the engine. With release of the accelerator, the switching valve is driven to control the alternant opening and closing of the pipeline between the bypass pipe and the air outlet pipe of the air compressor and the pipeline between the bypass pipe and the air inlet pipe of the engine, so that the end sound of the supercharger can be reduced and shortened.
Description
Technical field
The present invention relates to a kind of noise-reduction method and device of turbosupercharger, particularly relate to a kind of method and the device that improve passenger car pressurized machine noise, belong to field of internal combustion engine.
Background technique
Automobile noise not only increases the fatigue of driver and occupant, and affects the driving safety of automobile, particularly passenger car, higher to the requirement of Noise measarement.In order to strict control noises, car load inspector can carry out strict test and inspection to car load, and part depot adopts continuous anxious open out to the test of aerodynamic noise, the mode of anxious accelerator releasing is tested.Owing to not being mechanically connected between motor and pressurized machine, just pass through exhaust gas driven, when motor is anxious add or anxious accelerator releasing time, engine speed sharply rises or declines, although supercharger speed also rises or decline fast, but can exist of short duration delayed, will send last or end syllable, particularly during anxious accelerator releasing, motor declines due to rotating speed, complete machine sound obviously reduces, and delayed pressurized machine last or end syllable is easy to be captured by people's ear.How reducing, shorten last or end syllable, is that pressurized machine, motor, car load are all in a large problem of research.
Current, general car machine pressurized machine all adopts exhaust gas bypass turbosupercharger, with the joint work schematic diagram of motor as Fig. 1, exhaust gas bypass valve 9 and driver blade 10 unitary rotation, and be fixed in pressurizer shell with final controlling element 5(support 4 by push rod 6) one end of medi-spring is connected, the other end of final controlling element 5 then exports boost pressure by sebific duct 3 with gas compressor 2 and communicates.
When motor 7 is in low speed, low-load, low pressure, exhaust gas bypass valve 9 is in closed condition, and the spring in final controlling element 5 has certain pretightening force.When boost pressure acquires a certain degree, when being enough to overcome initial tension of spring and reaching certain equilibrium of forces, active force will make exhaust gas bypass valve 9 open by push rod 6, driving pin 8, driver blade 10, the portion entering turbo machine 1 is flowed into total air escape pipe through bypass passageways, thus reduce the waste gas flowing into power turbine 11, reduce the energy entering power turbine 11, rotating speed and boost pressure are declined thereupon.
When motor anxious receipts throttle, engine speed reduces fast, the energy of supply pressurized machine also starts to reduce, but pressurized machine can continue to rotate along with inertia, add exhaust gas bypass valve 9 and close the energy increase caused, the reduction of speed of pressurized machine compare motor have one obvious delayed, now will haul out last or end syllable.
Summary of the invention
The technical problem to be solved in the present invention is the last or end syllable brought for the response lag of pressurized machine, provides a kind of method improving passenger car pressurized machine noise.
In order to solve the problem, the present invention by the following technical solutions:
A kind of method improving passenger car pressurized machine noise, by installing a bypass tube in parallel with gas compressor between compressor air inlet machine pipe and engine air inlet tube, and make bypass tube and the pipeline between gas compressor steam outlet pipe and engine air inlet tube carry out alternately opening and closing by air-flow COMM communication, in order to reduce, to shorten the last or end syllable of pressurized machine.
The present invention also provides a kind of air-flow COMM communication for improving passenger car pressurized machine noise, this device comprise can and throttle be in transmission connection and the changing valve that bypass tube and the pipeline between gas compressor steam outlet pipe and engine air inlet tube alternately open and close can be controlled.
Along with accelerator releasing action drives changing valve to control alternately opening and closing of bypass tube and the pipeline between gas compressor steam outlet pipe and engine air inlet tube, in order to the last or end syllable of reduction, shortening pressurized machine.
Further optimization:
The main valve body that described changing valve is opened and closed by the pipeline controlled between gas compressor steam outlet pipe and engine air inlet tube and the auxiliary valve body that control bypass tube opens and closes form, and main valve body is connected with auxiliary valve body.
Further optimization:
In main valve body, main valve is installed, in auxiliary valve body, auxiliary valve is installed, main valve body to be arranged in engine air inlet tube and to control the circulation of gas in engine air inlet tube, and described auxiliary valve body is arranged on the joint of bypass tube and engine air inlet tube and the gas controlled between bypass tube and engine air inlet tube circulates.
Further optimization: described main valve, auxiliary valve are coaxially installed and mutually vertically to be arranged, ensure that wherein arbitrary valve opening time, another valve is in closed condition.
Further optimization: the position described main valve body being positioned at main valve rear portion is provided with the main air flow passage that can be communicated with engine air inlet tube, the position auxiliary valve body being positioned at auxiliary valve rear portion is provided with the auxiliary air-flow path that can be communicated with engine air inlet tube, main air flow passage and auxiliary air-flow path size, shape are consistent, are interconnected.
During work, main valve is opened, auxiliary valve closing, and gas directly enters engine air inlet tube by main valve body, and pressurized machine works;
When driver unclamps throttle, main valve is closed, auxiliary valve opening, gas is directly by auxiliary valve body, auxiliary air-flow path, main air flow passage, main valve body, engine air inlet tube is entered after main valve, walk around pressurized machine, be equivalent to natural aspiration, by this method, last or end syllable obviously shortens, and people's ear has been difficult to capture.
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of exhaust gas bypass turbosupercharger in background technique of the present invention;
Schematic diagram when accompanying drawing 2 is pressurized machine of the present invention work;
Accompanying drawing 3 is pressurized machine of the present invention schematic diagrams when not working;
Accompanying drawing 4 is structural representations of valve inlet end in the embodiment of the present invention;
Accompanying drawing 5 is structural representations of valve outlet side in the embodiment of the present invention;
Accompanying drawing 6 is sectional views of valve cross section in the embodiment of the present invention;
Accompanying drawing 7 is the supercharger speed change curves in the embodiment of the present invention in actual test.
In figure: 1-turbo machine; 2-gas compressor; 3-sebific duct; 4-support; 5-final controlling element; 6-push rod; 7-motor; 8-driving pin; 9-exhaust gas bypass valve; 10-driver blade; 11-power turbine; 12-bypass tube; 13-changing valve; 14-main valve body; The auxiliary valve body of 15-; The auxiliary valve of 16-; 17-bolt; Axle sleeve in the middle of 18-; 19-valve shaft; 20-screw; 21-main valve; 22-sells chip module; 23-main valve body axle sleeve; 24-main air flow passage; The auxiliary air-flow path of 25-; The auxiliary valve body axle sleeve of 26-; 27-engine air inlet tube; 28-compressor air inlet machine pipe.
Embodiment
Embodiment, as shown in Figure 2 and Figure 3, a kind of method improving passenger car pressurized machine noise, by installing a bypass tube 12 in parallel with gas compressor between compressor air inlet machine pipe and engine air inlet tube 27, and make bypass tube and the pipeline between gas compressor steam outlet pipe and engine air inlet tube 27 carry out alternately opening and closing by air-flow COMM communication, in order to reduce, to shorten the last or end syllable of pressurized machine.
Air-flow COMM communication comprise can and throttle be in transmission connection and the changing valve 13 that bypass tube 12 and the pipeline between gas compressor steam outlet pipe and engine air inlet tube 27 alternately open and close can be controlled.
The joint work principle of described pressurized machine and motor is, exhaust gas bypass valve 9 and driver blade 10 unitary rotation, and by push rod 6 and final controlling element 5, be fixed in pressurizer shell with support 4, one end of medi-spring is connected, and the other end of final controlling element 5 then exports boost pressure by sebific duct 3 with gas compressor 2 and communicates.
When motor 7 is in low speed, low-load, low pressure, exhaust gas bypass valve 9 is in closed condition, and the spring in final controlling element 5 has certain pretightening force.When boost pressure acquires a certain degree, when being enough to overcome initial tension of spring and reaching certain equilibrium of forces, active force will make exhaust gas bypass valve 9 open by push rod 6, driving pin 8, driver blade 10, the portion entering turbo machine 1 is flowed into total air escape pipe through bypass passageways, thus reduce the waste gas flowing into power turbine 11, reduce the energy entering power turbine 11, rotating speed and boost pressure are declined thereupon.
As shown in Figure 4,5, 6, the main valve body 14 that described changing valve is opened and closed by the pipeline controlled between gas compressor steam outlet pipe and engine air inlet tube 27 and the auxiliary valve body 15 that control bypass tube opens and closes form, and main valve body 14 is connected with auxiliary valve body 15 one.
Main valve 21 is installed in main valve body 14, in auxiliary valve body 15, auxiliary valve 16 is installed, main valve body 14 to be arranged in engine air inlet tube 27 and to control the circulation of gas in engine air inlet tube 27, and described auxiliary valve body 15 is arranged on the joint of bypass tube 12 and engine air inlet tube 27 and the gas controlled between bypass tube 12 and engine air inlet tube 27 circulates.
Described main valve 21, auxiliary valve 16 are coaxially installed and are mutually vertically arranged.Ensure that wherein arbitrary valve opening time, another valve is in closed condition.
Described main valve 21, auxiliary valve 16 are fixed on valve shaft 19 by screw 20.
The position described main valve body 14 being positioned at main valve 21 rear portion is provided with the main air flow passage 24 that can be communicated with engine air inlet tube 27, the position auxiliary valve body 15 being positioned at auxiliary valve 16 rear portion is provided with the auxiliary air-flow path 25 that can be communicated with engine air inlet tube 27, main air flow passage 24 and auxiliary air-flow path 25 size, shape are consistent, are interconnected.
Described valve shaft 19 is provided with three axle sleeves, and be respectively main valve body axle sleeve 23, auxiliary valve body axle sleeve 26, middle axle sleeve 18, valve shaft 19 can rotate in axle sleeve.
Wherein one end of described valve shaft 19 is arranged on the outside of main valve body 14 and is provided with pin chip module 22.
In real work, be all that main valve 21 is opened, auxiliary valve 16 is closed at ordinary times, gas directly enters engine air inlet tube 27 by main valve body 14, and pressurized machine works, and air inflow is sufficient.
When driver unclamps throttle, main valve 21 is closed, in order to ensure air inlet, incomplete closedown, auxiliary valve 16 is opened, and gas does work without impeller, directly by auxiliary valve body 15, auxiliary air-flow path 25, main air flow passage 24, main valve body 14, after main valve 21, enter motor 7 suction tude, walked around pressurized machine, be equivalent to natural aspiration.Fig. 7 is the supercharger speed change curve in actual test, A line is the measurement of rotating speed curve not adding apparatus of the present invention, B line is the measurement of rotating speed curve installing apparatus of the present invention additional, abscissa is the time (unit: second), rotating speed that y coordinate is pressurized machine (unit: rev/min), be the test carrying out multiple oiling, pine tar in figure, can find out, after having installed this device additional, the maximum speed of pressurized machine obviously reduces, and reduction of speed is mild.By this method, last or end syllable obviously shortens, and people's ear has been difficult to capture.
We have been described in detail invention according to national patent method now, can identify improvement or the replacement of specific embodiment disclosed herein for those skilled in the art.These amendments are within the spirit and scope of the present invention.
Claims (7)
1. one kind is improved the method for passenger car pressurized machine noise, it is characterized in that: by installing a bypass tube (12) in parallel with gas compressor between compressor air inlet machine pipe and engine air inlet tube (27), and make bypass tube and the pipeline between gas compressor steam outlet pipe and engine air inlet tube (27) carry out alternately opening and closing by air-flow COMM communication, in order to reduce, to shorten the last or end syllable of pressurized machine.
2. improve an air-flow COMM communication for passenger car pressurized machine noise as claimed in claim 1, it is characterized in that: this device comprise can and throttle be in transmission connection and the changing valve (13) that bypass tube (12) and the pipeline between gas compressor steam outlet pipe and engine air inlet tube (27) alternately open and close can be controlled.
3. a kind of air-flow COMM communication improving passenger car pressurized machine noise as claimed in claim 2, is characterized in that:
The main valve body (14) that described changing valve is opened and closed by the pipeline controlled between gas compressor steam outlet pipe and engine air inlet tube (27) and the auxiliary valve body (15) that control bypass tube opens and closes form, and main valve body (14) is connected with auxiliary valve body (15) one.
4. a kind of air-flow COMM communication improving passenger car pressurized machine noise as claimed in claim 3, is characterized in that:
Main valve (21) is installed in main valve body (14), auxiliary valve (16) is installed in auxiliary valve body (15), main valve body (14) to be arranged in engine air inlet tube (27) and to control the circulation of engine air inlet tube (27) interior gas, and described auxiliary valve body (15) is arranged on the joint of bypass tube (12) and engine air inlet tube (27) and the gas controlled between gas compressor steam outlet pipe and engine air inlet tube (27) circulates.
5. a kind of air-flow COMM communication improving passenger car pressurized machine noise according to claim 3, is characterized in that:
Described main valve (21), auxiliary valve (16) are coaxially installed and mutually vertically to be arranged, ensure that wherein arbitrary valve opening time, another valve is in closed condition.
6. a kind of air-flow COMM communication improving passenger car pressurized machine noise according to claim 5, is characterized in that:
The position described main valve body (14) being positioned at main valve (21) rear portion is provided with the main air flow passage (24) that can be communicated with engine air inlet tube (27), the position auxiliary valve body (15) being positioned at auxiliary valve (16) rear portion is provided with the auxiliary air-flow path (25) that can be communicated with engine air inlet tube (27), main air flow passage (24) and auxiliary air-flow path (25) size, shape are consistent, are interconnected.
7. a kind of air-flow COMM communication improving passenger car pressurized machine noise according to claim 6, is characterized in that:
During work, main valve (21) is opened, auxiliary valve (16) is closed, and gas directly enters engine air inlet tube (27) by main valve body (14), and pressurized machine works;
When driver unclamps throttle, main valve (21) is closed, auxiliary valve (16) is opened, gas is directly by auxiliary valve body (15), auxiliary air-flow path (25), main air flow passage (24), main valve body (14), engine air inlet tube (27) is entered after main valve (21), walk around pressurized machine, be equivalent to natural aspiration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214384.1A CN104806346B (en) | 2015-04-30 | 2015-04-30 | It is a kind of to improve the method and device of passenger car booster noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214384.1A CN104806346B (en) | 2015-04-30 | 2015-04-30 | It is a kind of to improve the method and device of passenger car booster noise |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104806346A true CN104806346A (en) | 2015-07-29 |
| CN104806346B CN104806346B (en) | 2017-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510214384.1A Active CN104806346B (en) | 2015-04-30 | 2015-04-30 | It is a kind of to improve the method and device of passenger car booster noise |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53146024A (en) * | 1977-05-23 | 1978-12-19 | Nippon Soken Inc | Internal combustion engine with supercharger |
| JPS614827A (en) * | 1984-06-19 | 1986-01-10 | Nissan Motor Co Ltd | Intake controller for engine associated with supercharger |
| JPS61277817A (en) * | 1985-05-31 | 1986-12-08 | Mazda Motor Corp | Engine equipped with exhaust turbosupercharger |
| CN102444465A (en) * | 2010-09-30 | 2012-05-09 | 现代自动车株式会社 | System for correcting turbo lag |
-
2015
- 2015-04-30 CN CN201510214384.1A patent/CN104806346B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53146024A (en) * | 1977-05-23 | 1978-12-19 | Nippon Soken Inc | Internal combustion engine with supercharger |
| JPS614827A (en) * | 1984-06-19 | 1986-01-10 | Nissan Motor Co Ltd | Intake controller for engine associated with supercharger |
| JPS61277817A (en) * | 1985-05-31 | 1986-12-08 | Mazda Motor Corp | Engine equipped with exhaust turbosupercharger |
| CN102444465A (en) * | 2010-09-30 | 2012-05-09 | 现代自动车株式会社 | System for correcting turbo lag |
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| CN104806346B (en) | 2017-09-19 |
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Effective date of registration: 20210121 Address after: No.1 luoqian street, Gucheng street, Shouguang City, Weifang City, Shandong Province Patentee after: Kangyue Technology (Shandong) Co.,Ltd. Address before: No.01 luoqian street, Shouguang Economic Development Zone, Weifang City, Shandong Province 262700 Patentee before: KANGYUE TECHNOLOGY Co.,Ltd. |