CN102877933B - Pipeline system capable of controlling intake pressure and exhaust pressure synchronously and mainly - Google Patents
Pipeline system capable of controlling intake pressure and exhaust pressure synchronously and mainly Download PDFInfo
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- CN102877933B CN102877933B CN201210349677.7A CN201210349677A CN102877933B CN 102877933 B CN102877933 B CN 102877933B CN 201210349677 A CN201210349677 A CN 201210349677A CN 102877933 B CN102877933 B CN 102877933B
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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
A pipeline system capable of controlling intake pressure and exhaust pressure synchronously and mainly belongs to the technical field of mechanical design, and comprises air compressors, an air intake pipe, an engine, an exhaust pipe, turbines, a volume cavity, a connecting pipe, a moving body, a spring and a penetrating pipe, wherein the moving body is mounted in the volume cavity and in sealed contact with the inner wall of the volume cavity; the penetrating pipe penetrates the upper wall and the lower wall of the moving body; and the right wall of the moving body is connected with the right wall of the volume cavity through the spring. When the engine is in a high-speed working condition, the moving body moves rightwards, a first air compressor, a second air compressor, a first turbine and a second turbine work simultaneously, so that the pumping loss of the engine is lower, and the performance of the whole engine is better; and when the engine is in a low-speed working condition, the moving body moves leftwards, only the first air compressor and the first turbine work, so that pulse energy can be utilized fully, the intake pressure of the engine is higher, and the performance of the whole engine is better. The pipeline system is designed reasonably, simple in structure, and suitable for a turbo-charging system with double turbines and double air compressors.
Description
Technical field
What the present invention relates to is the turbo charge system in a kind of mechanical designing technique field, particularly a kind of intake and exhaust Simultaneous Pressure main control type pipe-line system.
Background technique
Along with social development and the raising of environmental requirement, the application of engine booster technology is more and more extensive, in powerful motor mostly adopt turbocharging technology, with improve power and reduce fuel consumption rate.Two kinds of basic patterns of turbo charge system are constant pressure charging system and impulse pressure charging system.Constant pressure charging system, each cylinder shares an outlet pipe that volume is larger, exhaust piping is relatively simple for structure, turbine equivalent circulation area is larger, it is constant that outlet pipe internal pressure keeps substantially, pressure size is only relevant with load and the rotating speed of motor, and the pressurization system that different cylinders are counted diesel engine can be designed for uniformity.Constant pressure charging system is in the time of high-speed working condition, and pumping loss is less, and turbine efficiency is higher, and performance is more excellent; But in the time of low speed operating mode, can not make full use of exhaust pulses energy.Impulse pressure charging system, according to each cylinder firing order, two cylinders or three cylinders that exhaust is not occurred to disturb are connected with same outlet pipe, exhaust piping caliber is less, turbine equivalent circulation area is also less, exhaust pulses energy can make full use of, low speed operating mode and instantaneous conditions better performances; But in the time of high-speed working condition, pumping loss is larger.As can be seen here, if the turbine equivalent circulation area of a motor can change along with the conversion of operating mode, make turbine equivalent circulation area become large when high-speed working condition, make turbine equivalent circulation area diminish when low speed operating mode, this is comparatively desirable.
Through the retrieval of prior art document is found, China Patent No. ZL200820226936.6, patent name: a kind of gas compressor supercharging device in parallel of turbosupercharger, this patented technology provides a kind of compressor housings variable device, can take into account preferably the high and low rotating speed operating mode of motor; But the variation of its housing needs a set of special control mechanism, thus the more complicated that pressurization system structure is become.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of intake and exhaust Simultaneous Pressure main control type pipe-line system is provided, make the pressurization system can self-control, take into account preferably the high and low rotating speed operating mode of motor, and simple in structure, do not need special control mechanism.
The present invention is achieved through the following technical solutions, the present invention includes: the first sucking pipe, the first gas compressor, the first steam outlet pipe, the first turbine, the second sucking pipe, the second gas compressor, the second steam outlet pipe, the second turbine, engine air inlet tube, motor, engine exhaust pipe, coupling shaft, cavity volume, cavity volume upper wall surface, cavity volume lower wall surface, the left wall of cavity volume, the right wall of cavity volume, cavity volume front face, cavity volume rear surface, moving body, spring, the first connecting tube, the second connecting tube, the 3rd connecting tube, the 4th connecting tube, run through pipe and the 5th connecting tube, the air inlet/outlet of the first gas compressor respectively with the air outlet of the first sucking pipe, the suction port of engine air inlet tube is connected, and the suction port of the second gas compressor is connected with the air outlet of the second sucking pipe, the air inlet/outlet of the first turbine respectively with the air outlet of engine exhaust pipe, the suction port of the first steam outlet pipe is connected, and the second turbine air outlet is connected with the suction port of the second steam outlet pipe, the air inlet/outlet of motor respectively with the air outlet of engine air inlet tube, the suction port of engine exhaust pipe is connected, the first gas compressor, the second gas compressor, the second turbine, the first turbine is coaxially connected by coupling shaft, and the cross section of cavity volume is rectangular, cavity volume upper wall surface, cavity volume lower wall surface, the left wall of cavity volume, the right wall of cavity volume, cavity volume front face, cavity volume rear surface fixes as one, the two ends of the first connecting tube respectively with engine exhaust pipe, cavity volume upper wall surface is connected, the two ends of the second connecting tube respectively with the air outlet of the second gas compressor, cavity volume lower wall surface is connected, the two ends of the 3rd connecting tube respectively with the suction port of the second turbine, cavity volume lower wall surface is connected, the two ends of the 4th connecting tube respectively with engine air inlet tube, the left wall of cavity volume is connected, the two ends of the 5th connecting tube respectively with engine exhaust pipe, the right wall of cavity volume is connected, and moving body is arranged in cavity volume and with the internal face sealing of cavity volume and contacts, and runs through two walls up and down that pipe runs through moving body, and the right wall of moving body is connected by the right wall of spring and cavity volume.
Further, in the present invention the first connecting tube, the 3rd connecting tube, run through that pipe is the straight pipe of uniform section and internal diameter is all identical, the dead in line of the axis of the first connecting tube and the 3rd connecting tube, the axis of the first connecting tube and the axis that runs through pipe are at grade.
In the present invention, moving body can move left and right in cavity volume.When motor is during in high-speed working condition, engine charge overpressure is higher, the cavity volume internal pressure of moving body left is also higher, moving body moves right and Compress Spring, thereby the first connecting tube is connected with the 3rd connecting tube, and the second connecting tube is connected with the 4th connecting tube, in whole pressurization system, the first gas compressor, the second gas compressor, the first turbine and the second turbine are all simultaneously in work, turbine equivalent inlet area is larger, and motor pumping loss is less, and motor overall performance is more excellent; When motor is during in low speed operating mode, engine charge overpressure is lower, the cavity volume internal pressure of moving body left is also lower, under the elastic reaction of spring, moving body is moved to the left, thereby the first connecting tube and the 3rd connecting tube are cut off mutually, the second connecting tube cuts off mutually with the 4th connecting tube, in whole pressurization system, only there are the first gas compressor and the first turbine in work, turbine equivalent inlet area is less, pulse energy can make full use of, and engine charge pressure is larger, and motor overall performance is more excellent.By the 5th connecting tube, the engine exhaust pipe cavity volume right-hand with moving body is connected, in the time of high-speed working condition, can prevents that moving body from exceedingly moving right, thereby while preventing high-speed working condition, the first connecting tube cuts off mutually with the 3rd connecting tube.
Compared with prior art, the present invention has following beneficial effect and is: the present invention is reasonable in design, simple in structure, can take into account the high and low rotating speed operating mode of motor, can make again pressurization system not need special control mechanism.
Brief description of the drawings
Fig. 1 is the structural representation of intake and exhaust Simultaneous Pressure main control type pipe-line system of the present invention;
Fig. 2 is the structural representation of A-A section in Fig. 1;
Wherein: 1, the first sucking pipe, 2, the first gas compressor, 3, the first steam outlet pipe, 4, the first turbine, 5, the second sucking pipe, 6, the second gas compressor, 7, the second steam outlet pipe, 8, the second turbine, 9, engine air inlet tube, 10, motor, 11, engine exhaust pipe, 12, coupling shaft, 13, cavity volume, 14, cavity volume upper wall surface, 15, cavity volume lower wall surface, 16, the left wall of cavity volume, 17, the right wall of cavity volume, 18, cavity volume front face, 19, cavity volume rear surface, 20, moving body, 21, spring, 22, the first connecting tube, 23, the second connecting tube, 24, the 3rd connecting tube, 25, the 4th connecting tube, 26, run through pipe, 27, the 5th connecting tube.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, the present embodiment, taking technical solution of the present invention as prerequisite, provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
embodiment
As depicted in figs. 1 and 2, the present invention includes: the first sucking pipe 1, the first gas compressor 2, the first steam outlet pipe 3, the first turbine 4, the second sucking pipe 5, the second gas compressor 6, the second steam outlet pipe 7, the second turbine 8, engine air inlet tube 9, motor 10, engine exhaust pipe 11, coupling shaft 12, cavity volume 13, cavity volume upper wall surface 14, cavity volume lower wall surface 15, the left wall 16 of cavity volume, the right wall 17 of cavity volume, cavity volume front face 18, cavity volume rear surface 19, moving body 20, spring 21, the first connecting tube 22, the second connecting tube 23, the 3rd connecting tube 24, the 4th connecting tube 25, run through pipe 26 and the air inlet/outlet of the 5th connecting tube 27, the first gas compressors 2 respectively with the air outlet of the first sucking pipe 1, the suction port of engine air inlet tube 9 is connected, and the suction port of the second gas compressor 6 is connected with the air outlet of the second sucking pipe 5, the air inlet/outlet of the first turbine 4 respectively with the air outlet of engine exhaust pipe 11, the suction port of the first steam outlet pipe 3 is connected, and the second turbine 8 air outlets are connected with the suction port of the second steam outlet pipe 7, the air inlet/outlet of motor 10 respectively with the air outlet of engine air inlet tube 9, the suction port of engine exhaust pipe 11 is connected, the first gas compressor 2, the second gas compressor 6, the second turbine 8, the first turbine 4 is coaxially connected by coupling shaft 12, and the cross section of cavity volume 13 is rectangular, cavity volume upper wall surface 14, cavity volume lower wall surface 15, the left wall 16 of cavity volume, the right wall 17 of cavity volume, cavity volume front face 18, cavity volume rear surface 19 fixes as one, the two ends of the first connecting tube 22 respectively with engine exhaust pipe 11, cavity volume upper wall surface 14 is connected, the two ends of the second connecting tube 23 respectively with the air outlet of the second gas compressor 6, cavity volume lower wall surface 15 is connected, the two ends of the 3rd connecting tube 24 respectively with the suction port of the second turbine 8, cavity volume lower wall surface 15 is connected, the two ends of the 4th connecting tube 25 respectively with engine air inlet tube 9, the left wall 16 of cavity volume is connected, the two ends of the 5th connecting tube 27 respectively with engine exhaust pipe 11, the right wall 17 of cavity volume is connected, moving body 20 is arranged in cavity volume 13 and with the internal face sealing of cavity volume 13 and contacts, run through two walls up and down that pipe 26 runs through moving body 20, the right wall of moving body 20 is connected by the right wall 17 of spring 21 and cavity volume, the first connecting tube 22, the 3rd connecting tube 24, run through that pipe 26 is the straight pipe of uniform section and internal diameter is all identical, the dead in line of the axis of the first connecting tube 22 and the 3rd connecting tube 24, the axis of the first connecting tube 22 is managed 26 axis at grade with running through.
In the present invention, moving body 20 can move left and right in cavity volume 13.When motor 10 is during in high-speed working condition, engine air inlet tube 9 internal pressures are higher, cavity volume 13 internal pressures of moving body 20 lefts are also higher, moving body 20 moves right and Compress Spring 21, thereby the first connecting tube 22 is connected with the 3rd connecting tube 24, the second connecting tube 23 is connected with the 4th connecting tube 25, in whole pressurization system, the first gas compressor 2, the second gas compressor 6, the first turbine 4 and the second turbine 8 are all simultaneously in work, turbine equivalent inlet area is larger, the pumping loss of motor 10 is less, and the overall performance of motor 10 is more excellent; When motor 10 is during in low speed operating mode, engine air inlet tube 9 internal pressures are lower, cavity volume 13 internal pressures of moving body 20 lefts are also lower, under the elastic reaction of spring 21, moving body 20 is moved to the left, thereby the first connecting tube 22 and the 3rd connecting tube 24 are cut off mutually, the second connecting tube 23 cuts off mutually with the 4th connecting tube 25, in whole pressurization system, only there are the first gas compressor 2 and the first turbine 4 in work, turbine equivalent inlet area is less, pulse energy can make full use of, and the suction pressure of motor 10 is larger, and the overall performance of motor 10 is more excellent.By the 5th connecting tube 27, engine exhaust pipe 11 cavity volume 13 right-hand with moving body 20 is connected, in the time of high-speed working condition, can prevents that moving body 20 from exceedingly moving right, thereby while preventing high-speed working condition, the first connecting tube 22 is connected 24 pipes partition mutually with the 3rd.Therefore, the present invention can take into account the high and low rotating speed operating mode of motor 10 preferably.
Claims (2)
1. an intake and exhaust Simultaneous Pressure main control type pipe-line system, comprise: the first sucking pipe (1), the first gas compressor (2), the first steam outlet pipe (3), the first turbine (4), the second sucking pipe (5), the second gas compressor (6), the second steam outlet pipe (7), the second turbine (8), engine air inlet tube (9), motor (10), engine exhaust pipe (11) and coupling shaft (12), the air inlet/outlet of the first gas compressor (2) respectively with the air outlet of the first sucking pipe (1), the suction port of engine air inlet tube (9) is connected, the suction port of the second gas compressor (6) is connected with the air outlet of the second sucking pipe (5), the air inlet/outlet of the first turbine (4) respectively with the air outlet of engine exhaust pipe (11), the suction port of the first steam outlet pipe (3) is connected, the second turbine (8) air outlet is connected with the suction port of the second steam outlet pipe (7), the air inlet/outlet of motor (10) respectively with the air outlet of engine air inlet tube (9), the suction port of engine exhaust pipe (11) is connected, the first gas compressor (2), the second gas compressor (6), the second turbine (8), the first turbine (4) is coaxially connected by coupling shaft (12), characterized by further comprising cavity volume (13), moving body (20), spring (21), the first connecting tube (22), the second connecting tube (23), the 3rd connecting tube (24), the 4th connecting tube (25), run through pipe (26) and the 5th connecting tube (27), cavity volume (13) is by cavity volume upper wall surface (14), cavity volume lower wall surface (15), the left wall of cavity volume (16), the right wall of cavity volume (17), cavity volume front face (18), cavity volume rear surface (19) forms, the cross section of cavity volume (13) is rectangular, cavity volume upper wall surface (14), cavity volume lower wall surface (15), the left wall of cavity volume (16), the right wall of cavity volume (17), cavity volume front face (18), cavity volume rear surface (19) fixes as one, one end of the first connecting tube (22) is connected with engine exhaust pipe (11), the other end of the first connecting tube (22) is connected with cavity volume (13) through after cavity volume upper wall surface (14), one end of the second connecting tube (23) is connected with the air outlet of the second gas compressor (6), the other end of the second connecting tube (23) is connected with cavity volume (13) through after cavity volume lower wall surface (15), one end of the 3rd connecting tube (24) is connected with the suction port of the second turbine (8), the other end of the 3rd connecting tube (24) is connected with cavity volume (13) through after cavity volume lower wall surface (15), one end of the 4th connecting tube (25) is connected with engine air inlet tube (9) respectively, the other end of the 4th connecting tube (25) is connected with cavity volume (13) through after the left wall of cavity volume (16), one end of the 5th connecting tube (27) is connected with engine exhaust pipe (11), the other end of the 5th connecting tube (27) is connected with cavity volume (13) through after the right wall of cavity volume (17), moving body (20) is arranged in cavity volume (13) and with the internal face sealing of cavity volume (13) and contacts, run through two walls up and down that pipe (26) runs through moving body (20), the right wall of moving body (20) is connected with the right wall of cavity volume (17) by spring (21).
2. intake and exhaust Simultaneous Pressure main control type pipe-line system according to claim 1, it is characterized in that described the first connecting tube (22), the 3rd connecting tube (24), run through that pipe (26) is the straight pipe of uniform section and internal diameter is all identical, the dead in line of the axis of the first connecting tube (22) and the 3rd connecting tube (24), the axis of the first connecting tube (22) and the axis that runs through pipe (26) are at grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210349677.7A CN102877933B (en) | 2012-09-19 | 2012-09-19 | Pipeline system capable of controlling intake pressure and exhaust pressure synchronously and mainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210349677.7A CN102877933B (en) | 2012-09-19 | 2012-09-19 | Pipeline system capable of controlling intake pressure and exhaust pressure synchronously and mainly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102877933A CN102877933A (en) | 2013-01-16 |
| CN102877933B true CN102877933B (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210349677.7A Expired - Fee Related CN102877933B (en) | 2012-09-19 | 2012-09-19 | Pipeline system capable of controlling intake pressure and exhaust pressure synchronously and mainly |
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| CN (1) | CN102877933B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089401A (en) * | 2013-01-21 | 2013-05-08 | 上海交通大学 | Connection pipe control type parallel connection air circuit system |
| CN103089404A (en) * | 2013-01-21 | 2013-05-08 | 上海交通大学 | Movable body control type serial connection air circuit device |
| CN103147843A (en) * | 2013-02-28 | 2013-06-12 | 上海交通大学 | Adjustable sequential supercharging system |
| CN113310614B (en) * | 2021-05-26 | 2022-06-24 | 上海交通大学 | System and method for measuring friction force of low-speed machine for ship |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992012335A1 (en) * | 1990-12-29 | 1992-07-23 | Cz Strakonice A.S. | Supercharging device for an internal combustion engine |
| DE102004038172A1 (en) * | 2004-08-06 | 2006-02-23 | Daimlerchrysler Ag | Internal combustion engine |
| CN101251043A (en) * | 2007-02-20 | 2008-08-27 | 福特环球技术公司 | Parallel-sequential turbocharging for improved exhaust temperature control |
-
2012
- 2012-09-19 CN CN201210349677.7A patent/CN102877933B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992012335A1 (en) * | 1990-12-29 | 1992-07-23 | Cz Strakonice A.S. | Supercharging device for an internal combustion engine |
| DE102004038172A1 (en) * | 2004-08-06 | 2006-02-23 | Daimlerchrysler Ag | Internal combustion engine |
| CN101251043A (en) * | 2007-02-20 | 2008-08-27 | 福特环球技术公司 | Parallel-sequential turbocharging for improved exhaust temperature control |
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| CN102877933A (en) | 2013-01-16 |
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Granted publication date: 20140827 Termination date: 20170919 |