CN104989508A - Supercharged engine exhaust pipe volume control system and method - Google Patents
Supercharged engine exhaust pipe volume control system and method Download PDFInfo
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- CN104989508A CN104989508A CN201510501859.5A CN201510501859A CN104989508A CN 104989508 A CN104989508 A CN 104989508A CN 201510501859 A CN201510501859 A CN 201510501859A CN 104989508 A CN104989508 A CN 104989508A
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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 supercharged engine exhaust pipe volume control system and method. The control system comprises an exhaust manifold connected with an exhaust branch pipe of an engine. One end of the exhaust manifold is connected with a turbine. The supercharged engine exhaust pipe volume control system is characterized in that the other end of the exhaust manifold is connected with an adjusting body for adjusting the exhaust volume, a moving body in sealed contact with the inner wall of the adjusting body is arranged in the adjusting body, the moving body is connected with a stretching rod with one end stretching into the adjusting body, and the other end of the stretching rod is connected with a control body connected with an engine crankshaft. The control method controls the supercharged engine exhaust pipe volume through the supercharged engine exhaust pipe volume control system. The exhaust manifold volume is continuously adjusted based on the engine rotating speed, adjustment is automatic, the structure is simple and reasonable, various running conditions of an engine can be taken into account, and the working performance of the engine can be greatly improved.
Description
Technical field
The present invention relates to engine exhaust pipe delivery space control technique, particularly relate to supercharged engine exhaust pipe volume control system and the controlling method of supercharged engine vent systems.
Background technique
The turbo charge system of supercharged engine mainly contains impulse pressure charging system and constant pressure charging system.Constant pressure charging system, each cylinder shares the larger outlet pipe of a volume, and exhaust piping is relatively simple for structure, and outlet pipe internal pressure keeps constant substantially, and pressure size is only relevant with rotating speed with the load of motor.Constant pressure charging system is when high-speed working condition, and pumping loss is less, and turbine efficiency is higher, and performance is more excellent; But when speed operation, can not exhaust pulse energy be made full use of.Impulse pressure charging system, according to each cylinder firing order, exhaust is not occurred in interference two cylinders or three cylinders are connected with same outlet pipe, and exhaust piping caliber is less, and exhaust pulse energy can make full use of, speed operation and instantaneous conditions better performances; But when high-speed working condition, pumping loss is larger.As can be seen here, if if a motor is equipped with constant pressure charging system and impulse pressure charging system simultaneously, adopt constant pressure charging system during high-speed working condition, adopt impulse pressure charging system when low speed or instantaneous conditions, this is ideal.
Through retrieval, claimant find application number be 200810203032.6 patent documentation disclose a kind of dividing plate that utilizes on April 22nd, 2009 and rotate the technology of the turbo charging installation of exhaust pipe volume of regulating, provide a kind of swivel plate that utilizes to realize the technology of exhaust pipe volume continuous variable, but the rotation due to swivel plate needs with manual, can not rotate by teaching display stand, not only operate inconvenience, and the self-control of exhaust pipe volume can not be realized, can not user demand be met.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the self-control that can realize delivery space is provided, improve supercharged engine exhaust pipe volume control system and the controlling method of function of the engine.
To achieve these goals, the technical solution used in the present invention is:
Supercharged engine exhaust pipe volume control system, comprises the exhaust manifold be connected with the exhaust branch pipe of motor, and exhaust manifold one end connects turbine, and the exhaust manifold the other end is connected with the control agent regulating delivery space; Be provided with the moving body contacted with control agent inner wall sealing in described control agent, described moving body be connected with one end and stretch into stretching bar in described control agent, the other end of described stretching bar and the control volume be connected with engine crankshaft connect.
Described control volume comprises housing and centrifugal shaft, and described centrifugal shaft one end is fixing on the housing, and the other end of described centrifugal shaft is passed described housing and is connected by transmission system with the bent axle of motor; Also comprise the centrifugal chamber be located at and be connected with described centrifugal shaft in housing, the centrifugal spring and centrifugal body that are connected with described centrifugal shaft is provided with in described centrifugal chamber, described centrifugal body one end is connected with described centrifugal spring, the other end of described centrifugal body contacts with circular arc plate one side sealing, and the opposite side of described circular arc plate is provided with the elastic ribbon be enclosed within circular arc plate; The circular arc plate being positioned at housing upper end is connected with tensile axis, and described stretching bar is connected with described tensile axis.
Described centrifugal chamber, the centrifugal spring be located in centrifugal chamber, centrifugal body and circular arc plate form centrifugal assembly, and described centrifugal assembly is more than two, and described centrifugal assembly is arranged in arrays.
Described centrifugal shaft is arranged on housing central section.
The number of described circular arc plate is more than or equal to the number of centrifugal chamber.
Gap width between described circular arc plate is less than the cross-sectional width of centrifugal body.
It is the cambered surface with circular arc plate adaptation that described centrifugal body seals with circular arc plate one end end face contacted.
The cross section of described moving body is reversed V-shape structure, and described moving body bottom is connected with control agent bottom by extension spring.
The cross section of described control agent internal cavity is rectangular; The cross section of described control volume internal cavity is circular.
Outlet pipe delivery space controlling method, utilizes above-mentioned supercharged engine exhaust pipe volume control system to realize, is specially:
When the engine rotational speed is increased, the rotating speed of centrifugal shaft increases, the centrifugal body centrifugal force in rotary course be arranged in centrifugal chamber increases, centrifugal body synchronously outwards moves and the centrifugal spring that stretches, and moves up after in the housing being arranged in control volume, the circular arc plate of upper end is subject to the effect of the centrifugal force of centrifugal body, moves on tensile axis is also synchronous, tensile axis drives on stretching bar and moves, thus making stretching bar drive moving body to move up, in exhaust manifold, the shared volume of exhaust increases, and motor pumping loss is less;
When engine speed is lower, the rotating speed of centrifugal shaft is lower, under the effect of centrifugal spring, elastic ribbon, centrifugal body synchronously moves inward, in the housing being arranged in control volume, the circular arc plate of upper end moves down, tensile axis also synchronously moves down, and tensile axis drives stretching bar to move down, and makes stretching bar drive moving body to move down, in exhaust manifold, the shared volume of exhaust reduces, and pulse energy can make full use of.
The invention has the advantages that: supercharged engine exhaust pipe volume control system of the present invention and controlling method, exhaust manifold volume carries out continuously adjustabe according to engine speed, and adjustment process automatically realizes, not only simple and reasonable, and the various operating conditionss of motor can be taken into account, the service behaviour of motor can be increased substantially.
Accompanying drawing explanation
Mark in the content expressed each width accompanying drawing of specification of the present invention below and figure is briefly described:
Fig. 1 is the schematic top plan view of supercharged engine exhaust pipe volume control system of the present invention.
Fig. 2 is the structural representation of A-A section in Fig. 1.
Fig. 3 is the cross sectional view of the control volume of supercharged engine exhaust pipe volume control system in the present invention.
Fig. 4 is the structural representation of B-B section in Fig. 3.
Fig. 5 is the structural representation of C-C section in Fig. 4.
Wherein: 1, compressor air inlet machine pipe, 2, gas compressor, 3, engine air inlet tube, 4, motor, 5, exhaust branch pipe, 6, exhaust manifold, 7, turbine, 8, turbine exhaust pipe, 9, control agent, 10, moving body, 11, control volume, 12, tensile axis, 13, stretching bar, 14, centrifugal shaft, 15, centrifugal chamber, 16, centrifugal body, 17, centrifugal spring, 18, circular arc plate, 19, elastic ribbon, 20, extension spring.
Embodiment
Contrast accompanying drawing below, by the description to optimum embodiment, the specific embodiment of the present invention is described in further detail.
As shown in Figures 1 to 5, supercharged engine exhaust pipe volume control system of the present invention, comprises the exhaust manifold 6 be connected with the exhaust branch pipe 5 of motor, and exhaust manifold 6 one end connects turbine 7, and exhaust manifold 6 the other end is connected with the control agent 9 regulating delivery space; Be provided with the moving body 10 contacted with control agent 9 inner wall sealing in control agent 9, moving body 10 is connected with one end and stretches into stretching bar 13 in control agent 9, the other end of stretching bar 13 is connected with control volume 11, and control volume 11 is connected with engine crankshaft.Engine crankshaft rotates, and makes control volume 11 realize moving body 10 and moves up and down in control agent 9, to realize the adjustment of engine exhaust pipe volume, to make motor take into account various operating mode, improves the service behaviour of motor.
Particularly, supercharged engine exhaust pipe volume control system comprises compressor air inlet machine pipe 1, gas compressor 2, engine air inlet tube 3, motor 4, exhaust branch pipe 5, exhaust manifold 6, turbine 7, turbine exhaust pipe 8, control agent 9, moving body 10, control volume 11, tensile axis 12, stretching bar 13, centrifugal shaft 14, centrifugal chamber 15, centrifugal body 16, centrifugal spring 17, circular arc plate 18, elastic ribbon 19, extension spring 20, the air inlet/outlet of gas compressor 2 respectively with the air outlet of compressor air inlet machine pipe 1, the suction port of engine air inlet tube 3 is connected, the air inlet/outlet of motor 4 respectively with the air outlet of engine air inlet tube 3, the suction port of exhaust branch pipe 5 is connected, the air outlet that the suction port of exhaust branch pipe 5 is connected is connected with exhaust manifold 6, the air inlet/outlet of turbine 7 respectively with the air outlet of exhaust manifold 6, the suction port of turbine exhaust pipe 8 is connected, control agent 9 is connected with the rear port of exhaust manifold 6.
The cross section of control agent 9 internal cavity is rectangular, moving body 10 to be arranged in control agent 9 and to seal with the internal face of control agent 9 and contacts, one end of stretching bar 13 is consolidated with moving body 10 upper wall surface through after control agent 9 upper wall surface, the other end of stretching bar 13 and one end of tensile axis 12 are consolidated, and the other end of tensile axis 12 and the circular arc plate 18 of control volume 11 inner upper end are consolidated.
The cross section of control volume 11 internal cavity is circular, and for centrifugal assembly provides enough spaces, control volume 11 comprises housing and centrifugal shaft 14, and housing upper end is provided with the hole of stretching out for tensile axis 12; Be embedded on the rear wall of control volume 11 after one end of centrifugal shaft 14 penetrates the housing central section of control volume 11, one end of centrifugal shaft 14 is passed housing and is connected by transmission system with the bent axle of motor.Preferred centrifugal shaft 14 is connected with the bent axle of motor 4 by chain and sprocket wheel.Centrifugal chamber 15, centrifugal body 16, centrifugal spring 17, circular arc plate 18, elastic ribbon 19 is arranged in the housing of control volume 11, centrifugal chamber 15 and centrifugal shaft 14 are consolidated, centrifugal spring 17 is connected with centrifugal shaft 4, one end of centrifugal body 16 to be arranged in centrifugal chamber 15 and to be connected with centrifugal shaft 14 by centrifugal spring 17, the other end of centrifugal body 16 passes centrifugal chamber 15 and seals with circular arc plate 18 and contact, it is the cambered surface with circular arc plate 18 adaptation that centrifugal body 16 seals with circular arc plate one end end face contacted, contact between centrifugal like this body 16 and circular arc plate 18 is tight, the functional reliability of centrifugal assembly can be improved.
Centrifugal chamber 15, the centrifugal spring 17 be located in centrifugal chamber 15, centrifugal body 16 and circular arc plate 18 form centrifugal assembly, and centrifugal assembly is more than two, and centrifugal assembly is arranged in arrays.Namely centrifugal chamber 15, circular arc plate 18 are array-type layout in the housing of control volume 11, centrifugal assembly with centrifugal shaft 14 for symmetry center is symmetrical arranged, centrifugal component operation is steady, circular arc plate 18 moves and moves down steadily, and the total measurement (volume) change of exhaust manifold 6 is more smooth.
The number of circular arc plate 18 is more than or equal to the number of centrifugal chamber 15, and the gap width between circular arc plate 18 is less than the cross-sectional width of centrifugal body 16, prevents centrifugal body 16 from passing from the gap between circular arc plate 18, improves functional reliability; Multiple circular arc plate 18 makes centrifugal action even, improves the stationarity that circular arc plate 18 moves and moves down further.
The cross section of moving body 10 is reversed V-shape structure, and namely the cross section of moving body 10 is triangle ridge-shaped; The bottom of moving body 10 is connected with control agent 9 bottom by extension spring 20, and moving body 10 moves steadily, and the total measurement (volume) change of exhaust manifold 6 is more smooth.
Preferred extension spring 20 is connected in the center bottom of moving body 10; Thus when moving body 10 is moved up and down, there is stable cushion effect, the total measurement (volume) change of exhaust manifold 6 is more smooth further.
Preferred stretching bar 13 is connected with in the middle part of moving body 10, and the active force that stretching bar 13 acts on moving body 10 is even, and moving body 10 moves steadily, and the total measurement (volume) change of exhaust manifold 6 is more smooth.
Elastic ribbon 19 is arranged in the outer surface of circular arc plate 18, and elastic ribbon 19 is sleeved on circular arc plate 18 outer wall, the flexible structure of steel wire of elastic ribbon 19 inner band, and elastic ribbon 19 provides reliable degree of tightness power, to make the reliable smooth working of centrifugal assembly.
In working procedure of the present invention, when the engine rotational speed is increased, the rotating speed of centrifugal shaft 14 also increases, centrifugal body 16 centrifugal force in rotary course be arranged in centrifugal chamber 15 increases, centrifugal body 16 synchronously outwards moves and the centrifugal spring 17 that stretches, move up after in the housing being arranged in control volume 11, the circular arc plate 18 of upper end is subject to the effect of the centrifugal force of centrifugal body 16, move on tensile axis 12 is also synchronous, tensile axis 12 drives on stretching bar 13 and moves, thus make stretching bar 13 drive moving body 10 to move up, in exhaust manifold 6, the shared volume of exhaust increases, motor pumping loss is less, when engine speed is lower, the rotating speed of centrifugal shaft 14 is also lower, under the effect of centrifugal spring 17, elastic ribbon 19, centrifugal body 16 synchronously moves inward, in the housing being arranged in control volume 11, the circular arc plate 18 of upper end moves down, tensile axis 12 also synchronously moves down, and tensile axis 12 drives stretching bar 13 to move down, thus makes stretching bar 13 drive moving body 10 to move down, in exhaust manifold 6, the shared volume of exhaust reduces, and pulse energy can make full use of.Supercharged engine exhaust pipe volume control system, make exhaust manifold 6 volume of motor carry out self-control according to engine speed, exhaust manifold 6 delivery space can carry out continuously adjustabe according to engine speed, thus takes into account the various operating conditionss of motor.
Outlet pipe delivery space controlling method, utilizes above-mentioned supercharged engine exhaust pipe volume control system to realize, is specially:
When the engine rotational speed is increased, the rotating speed of centrifugal shaft 14 also increases, centrifugal body 16 centrifugal force in rotary course be arranged in centrifugal chamber 15 increases, centrifugal body 16 synchronously outwards moves and the centrifugal spring 17 that stretches, move up after in the housing being arranged in control volume 11, the circular arc plate 18 of upper end is subject to the effect of the centrifugal force of centrifugal body 16, move on tensile axis 12 is also synchronous, tensile axis 12 drives on stretching bar 13 and moves, thus make stretching bar 13 drive moving body 10 to move up, in exhaust manifold 6, the shared volume of exhaust increases, and motor pumping loss is less;
When engine speed is lower, the rotating speed of centrifugal shaft 14 is also lower, under the effect of centrifugal spring 17, elastic ribbon 19, centrifugal body 16 synchronously moves inward, the upper end circular arc plate 18 be arranged in the housing of control volume 11 moves down, tensile axis 12 also synchronously moves down, and tensile axis 12 drives stretching bar 13 to move down, thus makes stretching bar 13 drive moving body 10 to move down, in exhaust manifold 6, the shared volume of exhaust reduces, and pulse energy can make full use of.
Supercharged engine exhaust pipe volume control system of the present invention and controlling method, exhaust manifold volume carries out continuously adjustabe according to engine speed, and adjustment process automatically realizes, not only rational in infrastructure, and the various operating conditionss of motor can be taken into account, the service behaviour of motor can be increased substantially.
Obvious specific implementation of the present invention is not subject to the restrictions described above, as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technological scheme is carried out, all within protection scope of the present invention.
Claims (10)
1. supercharged engine exhaust pipe volume control system, comprises the exhaust manifold be connected with the exhaust branch pipe of motor, and exhaust manifold one end connects turbine, it is characterized in that: the exhaust manifold the other end is connected with the control agent regulating delivery space; Be provided with the moving body contacted with control agent inner wall sealing in described control agent, described moving body be connected with one end and stretch into stretching bar in described control agent, the other end of described stretching bar and the control volume be connected with engine crankshaft connect.
2. supercharged engine exhaust pipe volume control system as claimed in claim 1, it is characterized in that: described control volume comprises housing and centrifugal shaft, described centrifugal shaft one end is fixing on the housing, and the other end of described centrifugal shaft is passed described housing and is connected by transmission system with the bent axle of motor; Also comprise the centrifugal chamber be located at and be connected with described centrifugal shaft in housing, the centrifugal spring and centrifugal body that are connected with described centrifugal shaft is provided with in described centrifugal chamber, described centrifugal body one end is connected with described centrifugal spring, the other end of described centrifugal body contacts with circular arc plate one side sealing, and the opposite side of described circular arc plate is provided with the elastic ribbon be enclosed within circular arc plate; The circular arc plate being positioned at housing upper end is connected with tensile axis, and described stretching bar is connected with described tensile axis.
3. supercharged engine exhaust pipe volume control system as claimed in claim 2, it is characterized in that: described centrifugal chamber, the centrifugal spring be located in centrifugal chamber, centrifugal body and circular arc plate form centrifugal assembly, described centrifugal assembly is more than two, and described centrifugal assembly is arranged in arrays.
4. supercharged engine exhaust pipe volume control system as claimed in claim 2 or claim 3, is characterized in that: described centrifugal shaft is arranged on housing central section.
5. supercharged engine exhaust pipe volume control system as claimed in claim 2 or claim 3, is characterized in that: the number of described circular arc plate is more than or equal to the number of centrifugal chamber.
6. supercharged engine exhaust pipe volume control system as claimed in claim 2 or claim 3, is characterized in that: the gap width between described circular arc plate is less than the cross-sectional width of centrifugal body.
7. supercharged engine exhaust pipe volume control system as claimed in claim 2 or claim 3, is characterized in that: it is the cambered surface with circular arc plate adaptation that described centrifugal body seals with circular arc plate one end end face contacted.
8. the supercharged engine exhaust pipe volume control system as described in any one of claim 1-3, is characterized in that: the cross section of described moving body is reversed V-shape structure, and described moving body bottom is connected with control agent bottom by extension spring.
9. the supercharged engine exhaust pipe volume control system as described in any one of claim 1-3, is characterized in that: the cross section of described control agent internal cavity is rectangular; The cross section of described control volume internal cavity is circular.
10. outlet pipe delivery space controlling method, utilizes the supercharged engine exhaust pipe volume control system described in any one of claim 1-9 to realize, it is characterized in that: be specially:
When the engine rotational speed is increased, the rotating speed of centrifugal shaft increases, the centrifugal body centrifugal force in rotary course be arranged in centrifugal chamber increases, centrifugal body synchronously outwards moves and the centrifugal spring that stretches, and moves up after the circular arc plate being arranged in upper end in control volume housing is subject to the centrifugal action of centrifugal body, moves on tensile axis is also synchronous, tensile axis drives on stretching bar and moves, thus making stretching bar drive moving body to move up, in exhaust manifold, the shared volume of exhaust increases, and motor pumping loss is little;
When engine speed is lower, the rotating speed of centrifugal shaft is lower, under the effect of centrifugal spring, elastic ribbon, centrifugal body synchronously moves inward, the circular arc plate being arranged in upper end in control volume housing moves down, tensile axis also synchronously moves down, and tensile axis drives stretching bar to move down, and makes stretching bar drive moving body to move down, in exhaust manifold, the shared volume of exhaust reduces, and pulse energy can make full use of.
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Cited By (5)
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| CN105464791A (en) * | 2015-12-21 | 2016-04-06 | 王悦萍 | Top end air inflation smooth movement system |
| CN105508027A (en) * | 2015-12-21 | 2016-04-20 | 康明 | Uniform distribution device for advance balls |
| CN105508028A (en) * | 2015-12-21 | 2016-04-20 | 康明 | Slope-inlaid type rolling device |
| CN105626322A (en) * | 2015-12-21 | 2016-06-01 | 施灵伟 | Control and execution integration type flow regulator |
| CN107725175A (en) * | 2017-10-18 | 2018-02-23 | 山东交通学院 | A kind of resonant pulse energy sustained release turbo charge system of spring oscillator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105508027A (en) * | 2015-12-21 | 2016-04-20 | 康明 | Uniform distribution device for advance balls |
| CN105508028A (en) * | 2015-12-21 | 2016-04-20 | 康明 | Slope-inlaid type rolling device |
| CN105626322A (en) * | 2015-12-21 | 2016-06-01 | 施灵伟 | Control and execution integration type flow regulator |
| CN107725175A (en) * | 2017-10-18 | 2018-02-23 | 山东交通学院 | A kind of resonant pulse energy sustained release turbo charge system of spring oscillator |
| CN107725175B (en) * | 2017-10-18 | 2024-03-26 | 山东交通学院 | Spring vibrator resonance type pulse energy delayed release turbocharging system |
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