CN103147843A - Adjustable sequential supercharging system - Google Patents
Adjustable sequential supercharging system Download PDFInfo
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- CN103147843A CN103147843A CN2013100644019A CN201310064401A CN103147843A CN 103147843 A CN103147843 A CN 103147843A CN 2013100644019 A CN2013100644019 A CN 2013100644019A CN 201310064401 A CN201310064401 A CN 201310064401A CN 103147843 A CN103147843 A CN 103147843A
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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
Abstract
The invention discloses an adjustable sequential supercharging system in the technical field of mechanical design. The adjustable sequential supercharging system comprises gas compressors, a gas inlet pipe, an engine, a gas outlet pipe, turbines, a cavity, a connecting pipe, a moving body, a spring and through pipes, wherein the moving body is mounted in the cavity and hermetically contacted with the inner wall surface of the cavity; both the first through pipe and the second through pipe penetrate through the upper wall surface and the lower wall surface of the moving body; and the right wall surface of the moving body is connected with that of the cavity through the spring. When the engine is in the high-speed working condition, the moving body moves left, and the first gas compressor, the second gas compressor, the first turbine and the second turbine work at the same time, so that the pumping loss of the engine is lower and the overall performance of the engine is better; and when the engine is in the low-speed working condition, the moving body moves right, and only the first gas compressor and the first turbine work, so that the pulse energy is fully utilized, the gas inlet pressure of the engine is higher, and the overall performance of the engine is better. The adjustable sequential supercharging system is reasonable in design and simple in structure, and is suitable for a turbocharging system with double turbines and double gas 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 adjustable order pressurization system.
Background technique
Along with the development of society and the raising of environmental requirement, the application of engine booster technology is more and more extensive, in powerful motor mostly adopt turbocharging technology, to improve power and to 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 the outlet pipe that volume is larger, exhaust piping is relatively simple for structure, turbine equivalent circulation area is larger, it is constant that the outlet pipe internal pressure keeps basically, the 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 when high-speed working condition, and pumping loss is less, and turbine efficiency is higher, and performance is more excellent; But when the low speed operating mode, can not take full advantage of the exhaust pulses energy.Impulse pressure charging system, according to each cylinder firing order, two cylinders or three cylinders that exhaust is not disturbed are connected with same outlet pipe, the exhaust piping caliber is less, turbine equivalent circulation area is also less, the exhaust pulses energy can take full advantage of, low speed operating mode and instantaneous conditions better performances; But when high-speed working condition, pumping loss is larger.This shows, 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 during high-speed working condition, turbine equivalent circulation area is diminished, this is comparatively desirable.
Find through the retrieval to the prior art document, China Patent No. ZL200820226936.6, patent name: a kind of gas compressor of turbosupercharger supercharging device in parallel, 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 special control mechanism of cover, thereby the more complicated that the 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 adjustable order pressurization 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 compressor air inlet machine pipe, the first gas compressor, the first turbine steam outlet pipe, the first turbine, the second compressor air inlet machine pipe, the second gas compressor, the second turbine steam outlet pipe, the second turbine, engine air inlet tube, motor, engine exhaust pipe, coupling shaft, cavity volume, the cavity volume upper wall surface, the cavity volume lower wall surface, the left wall of cavity volume, the right wall of cavity volume, the cavity volume front face, the cavity volume rear surface, moving body, spring, the first connecting tube, the second connecting tube, the 3rd connecting tube, the 4th connecting tube, the 5th connecting tube, first runs through pipe and second runs through pipe, the air inlet/outlet of the first gas compressor respectively with the air outlet of the first compressor air inlet machine 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 compressor air inlet machine pipe, the air inlet/outlet of the first turbine respectively with the air outlet of engine exhaust pipe, the suction port of the first turbine steam outlet pipe is connected, and the air outlet of the second turbine is connected with the suction port of the second turbine 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 connected by coupling shaft is coaxial, and the cross section of cavity volume is rectangular, the cavity volume upper wall surface, the cavity volume lower wall surface, the left wall of cavity volume, the right wall of cavity volume, the cavity volume front face, the cavity volume rear surface fixes as one, the two ends of the first connecting tube respectively with engine air inlet tube, the cavity volume upper wall surface is connected, the two ends of the second connecting tube respectively with engine exhaust pipe, the cavity volume upper wall surface is connected, the two ends of the 3rd connecting tube respectively with the air outlet of the second gas compressor, the cavity volume lower wall surface is connected, the two ends of the 4th connecting tube respectively with the suction port of the second turbine, the cavity volume lower wall surface 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 first runs through pipe, second runs through two walls up and down that Guan Jun runs through moving body, and the right wall of moving body is connected by the right wall of spring and cavity volume.
Further, the first connecting tube, the second connecting tube, the 3rd connecting tube, the 4th connecting tube, first run through pipe, second and run through that pipe is the straight pipe of uniform section and internal diameter is all identical in the present invention, the dead in line of the axis of the first connecting tube and the 3rd connecting tube, the axis that the axis, second that the dead in line of the axis of the second connecting tube and the 4th connecting tube, the axis of the axis of the first connecting tube, the second connecting tube, first run through pipe runs through pipe all at grade.
In the present invention, moving body can move left and right in cavity volume.When motor is in high-speed working condition, the engine exhaust overpressure is higher, the right-hand cavity volume internal pressure of moving body is also higher, moving body is moved to the left and extension 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, the first gas compressor, the second gas compressor, the first turbine and the second turbine are all simultaneously in work in whole pressurization system, turbine equivalent inlet area is larger, and the motor pumping loss is less, and the motor overall performance is more excellent; When motor is in the low speed operating mode, the engine exhaust overpressure is lower, the right-hand cavity volume internal pressure of moving body is also lower, under the stretching action of spring, moving body moves right, 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, the first gas compressor and the first turbine are only arranged in work in whole pressurization system, turbine equivalent inlet area is less, pulse energy can take full advantage of, and engine charge pressure is larger, and the motor overall performance is more excellent.
Compared with prior art, the present invention has following beneficial effect and is: the present invention is reasonable in design, and is 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.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of A-A section in Fig. 1;
wherein: 1, the first compressor air inlet machine pipe, 2, the first gas compressor, 3, the first turbine steam outlet pipe, 4, the first turbine, 5, the second compressor air inlet machine pipe, 6, the second gas compressor, 7, the second turbine 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, the cavity volume upper wall surface, 15, the cavity volume lower wall surface, 16, the left wall of cavity volume, 17, the right wall of cavity volume, 18, the cavity volume front face, 19, the 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, the 5th connecting tube, 27, first runs through pipe, 28, second runs through pipe.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, the present embodiment provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment take technical solution of the present invention as prerequisite.
Embodiment
as depicted in figs. 1 and 2, the present invention includes: the first compressor air inlet machine pipe 1, the first gas compressor 2, the first turbine steam outlet pipe 3, the first turbine 4, the second compressor air inlet machine pipe 5, the second gas compressor 6, the second turbine 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, the 5th connecting tube 26, first run through pipe 27 and second run through manage 28, the first gas compressors 2 air inlet/outlet respectively with the air outlet of the first compressor air inlet machine 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 compressor air inlet machine 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 turbine steam outlet pipe 3 is connected, and the air outlet of the second turbine 8 is connected with the suction port of the second turbine 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 connected by coupling shaft 12 is coaxial, 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 air inlet tube 9, cavity volume upper wall surface 14 is connected, the two ends of the second connecting tube 23 respectively with engine exhaust pipe 11, cavity volume upper wall surface 14 is connected, the two ends of the 3rd connecting tube 24 respectively with the air outlet of the second gas compressor 6, cavity volume lower wall surface 15 is connected, the two ends of the 4th connecting tube 25 respectively with the suction port of the second turbine 8, cavity volume lower wall surface 15 is connected, the two ends of the 5th connecting tube 26 respectively with engine exhaust pipe 11, the right wall 17 of cavity volume is connected, and moving body 20 is arranged in cavity volume 13 and with the internal face sealing of cavity volume 13 and contacts, and first runs through pipe 27, second runs through two walls up and down that pipe 28 all runs through moving body 20, and 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 second connecting tube 23, the 3rd connecting tube 24, the 4th connecting tube 25, first runs through pipe 27, second run through the pipe 28 be the straight pipe of uniform section and internal diameter all identical, the dead in line of the axis of the first connecting tube 22 and the 3rd connecting tube 24, the dead in line of the axis of the second connecting tube 23 and the 4th connecting tube 25, the axis of the first connecting tube 22, the axis of the second connecting tube 23, first runs through the axis of pipe 27, second runs through pipe 28 axis all at grade.
In the present invention, moving body 20 can move left and right in cavity volume 13.When motor 10 is in high-speed working condition, engine exhaust pipe 11 internal pressures are higher, right-hand cavity volume 13 internal pressures of moving body 20 are also higher, moving body 20 is moved to the left and extension 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, the first gas compressor 2, the second gas compressor 6, the first turbine 4 and the second turbine 8 are all simultaneously in work in whole pressurization system, 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 in the low speed operating mode, engine exhaust pipe 11 internal pressures are lower, right-hand cavity volume 13 internal pressures of moving body 20 are also lower, under the stretching action of spring 21, moving body 20 moves right, 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, the first gas compressor 2 and the first turbine 4 are only arranged in work in whole pressurization system, turbine equivalent inlet area is less, pulse energy can take full advantage of, and the suction pressure of motor 10 is larger, and the overall performance of motor 10 is more excellent.Therefore, the present invention can take into account the high and low rotating speed operating mode of motor 10 preferably.
Claims (2)
1. an adjustable order pressurization system, comprising: the first compressor air inlet machine pipe (1), the first gas compressor (2), the first turbine steam outlet pipe (3), the first turbine (4), the second compressor air inlet machine pipe (5), the second gas compressor (6), the second turbine 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 compressor air inlet machine 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 compressor air inlet machine 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 turbine steam outlet pipe (3) is connected, and the air outlet of the second turbine (8) is connected with the suction port of the second turbine 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 connected by coupling shaft (12) is coaxial, characterized by further comprising cavity volume (13), 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), 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), the 5th connecting tube (26), first runs through pipe (27) and second runs through pipe (28), 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 of cavity volume (16), the right wall of cavity volume (17), 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 air inlet tube (9), cavity volume upper wall surface (14) is connected, the two ends of the second connecting tube (23) respectively with engine exhaust pipe (11), cavity volume upper wall surface (14) is connected, the two ends of the 3rd connecting tube (24) respectively with the air outlet of the second gas compressor (6), cavity volume lower wall surface (15) is connected, the two ends of the 4th connecting tube (25) respectively with the suction port of the second turbine (8), cavity volume lower wall surface (15) is connected, the two ends of the 5th connecting tube (26) respectively with engine exhaust pipe (11), the right wall of cavity volume (17) is connected, and moving body (20) is arranged in cavity volume (13) and with the internal face sealing of cavity volume (13) and contacts, and first runs through pipe (27), second runs through two walls up and down that pipe (28) all runs through moving body (20), and the right wall of moving body (20) is connected with the right wall of cavity volume (17) by spring (21).
2. adjustable order pressurization system according to claim 1, it is characterized in that described the first connecting tube (22), the second connecting tube (23), the 3rd connecting tube (24), the 4th connecting tube (25), first runs through pipe (27), second runs through that pipe (28) 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 dead in line of the axis of the second connecting tube (23) and the 4th connecting tube (25), the axis of the first connecting tube (22), the axis of the second connecting tube (23), first runs through the axis of pipe (27), the second axis that runs through pipe (28) all at grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100644019A CN103147843A (en) | 2013-02-28 | 2013-02-28 | Adjustable sequential supercharging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100644019A CN103147843A (en) | 2013-02-28 | 2013-02-28 | Adjustable sequential supercharging system |
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| CN103147843A true CN103147843A (en) | 2013-06-12 |
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| CN2013100644019A Pending CN103147843A (en) | 2013-02-28 | 2013-02-28 | Adjustable sequential supercharging system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2015644A (en) * | 1978-03-03 | 1979-09-12 | Kuehnle Kopp & Kausch Kg | Supercharging system for an internal combustion engine |
| CN102877933A (en) * | 2012-09-19 | 2013-01-16 | 上海交通大学 | Pipeline system capable of controlling intake pressure and exhaust pressure synchronously and mainly |
| CN102889121A (en) * | 2012-09-19 | 2013-01-23 | 上海交通大学 | Air inlet pressure main control type pipeline device |
| CN102913320A (en) * | 2012-10-12 | 2013-02-06 | 上海交通大学 | Horizontal moving mechanical regulation system |
| CN102926859A (en) * | 2012-10-12 | 2013-02-13 | 上海交通大学 | Double-turbine coaxially-connected device |
-
2013
- 2013-02-28 CN CN2013100644019A patent/CN103147843A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2015644A (en) * | 1978-03-03 | 1979-09-12 | Kuehnle Kopp & Kausch Kg | Supercharging system for an internal combustion engine |
| CN102877933A (en) * | 2012-09-19 | 2013-01-16 | 上海交通大学 | Pipeline system capable of controlling intake pressure and exhaust pressure synchronously and mainly |
| CN102889121A (en) * | 2012-09-19 | 2013-01-23 | 上海交通大学 | Air inlet pressure main control type pipeline device |
| CN102913320A (en) * | 2012-10-12 | 2013-02-06 | 上海交通大学 | Horizontal moving mechanical regulation system |
| CN102926859A (en) * | 2012-10-12 | 2013-02-13 | 上海交通大学 | Double-turbine coaxially-connected device |
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Application publication date: 20130612 |