CN103573395A - Differential pressure type system with throat-area-changeable branch pipes - Google Patents
Differential pressure type system with throat-area-changeable branch pipes Download PDFInfo
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- CN103573395A CN103573395A CN201310476422.1A CN201310476422A CN103573395A CN 103573395 A CN103573395 A CN 103573395A CN 201310476422 A CN201310476422 A CN 201310476422A CN 103573395 A CN103573395 A CN 103573395A
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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
A differential pressure type system with throat-area-changeable branch pipes relates to the technical field of mechanical design and comprises a volume cavity, a rotating body, a partition plate, rotating shafts, rotating plates and a chain, wherein the longitudinal section of a volume cavity is round-ring-shaped, the longitudinal section of the rotating body is arc-shaped, one end of a third connecting shaft passes through the volume cavity and then is inlaid on the side wall of the volume cavity, and one end of a first connecting shaft passes through a first exhaust branch pipe and then is inlaid on the side wall of the first exhaust branch pipe. When the pressure of an engine admission pipe is higher, the rotating plates are driven by the rotating body to rotate anticlockwise, the outlet area of each exhaust ranch pipe is relatively large, and the pumping loss of an engine is less; when the pressure of the engine admission pipe is lower, the rotating plates are driven by the rotating body to rotate clockwise, the outlet area of each exhaust ranch pipe is relatively small, pulse energy can be fully utilized, and available energy is more before a turbine. The system is reasonable in design, simple in structure and suitable for a turbocharger system with one turbine inlet and the turbine arranged on one side.
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 differential arm throat area variable 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, 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 an outlet pipe that volume is larger, and exhaust piping is relatively simple for structure, and 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 when high-speed working condition, and pumping loss is less, and turbine efficiency is higher, and performance is more excellent; But when 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, and exhaust piping caliber is less, and exhaust pulses energy can make full use of, low speed operating mode and instantaneous conditions better performances; But when high-speed working condition, pumping loss is larger.As can be seen here, if a waste pipe volume can change along with the conversion of operating mode, make exhaust pipe volume become large during high-speed working condition, during low speed operating mode, exhaust pipe volume is diminished, this is comparatively desirable.Under the constant prerequisite of exhaust pipe volume, by changing the discharge area of exhaust branch pipe, also can realize taking into account of motor high and low rotating speed operating mode.At low speed operating mode exhaust branch pipe discharge area, diminish, before turbine, available energy is more; At high-speed working condition exhaust branch pipe discharge area, become large, pumping loss is less, and this is also comparatively desirable.
Through the retrieval of prior art document is found, China Patent No. ZL201020532937.0, patent name: the turbo charging installation of exhaust outlet variable area, this patented technology provides a kind of device of exhaust outlet area continuous variable, can take into account preferably the high and low rotating speed operating mode of motor; But the variation of its exhaust outlet area is the rotation by rotating handles to be realized, and this just need to increase a set of special control mechanism and control the rotation of rotating handles, thereby 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 differential arm throat area variable system is provided, has made its exhaust branch pipe discharge area can self-control, taken 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 compressor air inlet machine pipe, gas compressor, engine air inlet tube, motor, first row gas branch pipe, second row gas branch pipe, outlet pipe, turbine, turbine exhaust pipe, coupling shaft, the first connecting tube, cavity volume, the second connecting tube, solid of rotation, dividing plate, the 3rd running shaft, the first running shaft, the first swivel plate, the second running shaft, the second swivel plate and chain, the air inlet/outlet of gas compressor respectively with the air outlet of compressor air inlet machine pipe, the suction port of engine air inlet tube is connected, and the suction port of motor is connected with the relief opening of engine air inlet tube, the suction port of first row gas branch pipe, the suction port of second row gas branch pipe is connected with the air outlet flue of motor respectively, the air outlet of first row gas branch pipe, the air outlet of second row gas branch pipe is all connected with outlet pipe, the air inlet/outlet of turbine respectively with the air outlet of outlet pipe, the suction port of turbine exhaust pipe is connected, gas compressor is coaxially connected by coupling shaft with turbine, the longitudinal section of cavity volume is circular, the longitudinal section of solid of rotation is circular-arc, the cross section of cavity volume and solid of rotation is rectangular, the 3rd axis of coupling shaft and the dead in line of cavity volume, one end of the 3rd coupling shaft is embedded on the sidewall of cavity volume through after cavity volume, dividing plate be arranged in cavity volume and with fixed being integrated of internal face of cavity volume, the upper-end surface of dividing plate contacts with the 3rd coupling shaft sealing, solid of rotation is arranged in cavity volume and with the internal face sealing of cavity volume and contacts, coupling shaft is fixed is integrated in solid of rotation and cavity volume the 3rd, the cross section of first row gas branch pipe is rectangular, one end of the first running shaft is embedded on the sidewall of first row gas branch pipe through after first row gas branch pipe, the first swivel plate be arranged in first row gas branch pipe and with first row gas branch pipe in fixed being integrated of the first running shaft, the cross section of second row gas branch pipe is rectangular, one end of the second running shaft is embedded on the sidewall of second row gas branch pipe through after second row gas branch pipe, the second swivel plate be arranged in second row gas branch pipe and with second row gas branch pipe in fixed being integrated of the second running shaft, the other end of the 3rd running shaft, the other end of the first running shaft, the other end of the second running shaft is connected by chain, one end of the first connecting tube is connected with the cavity volume on dividing plate right side, the other end of the first connecting tube is connected with engine air inlet tube, one end of the second connecting tube is connected with second row gas branch pipe, the other end of the second connecting tube is connected with the cavity volume in dividing plate left side, the first swivel plate, the second swivel plate is flat board, the first swivel plate, the second swivel plate is flat board.
In working procedure of the present invention, solid of rotation can rotate in cavity volume, solid of rotation and the 3rd running shaft is fixed is integrated, and the first running shaft and the first swivel plate are consolidated, and the second running shaft and the second swivel plate are consolidated; When solid of rotation rotates, chain-driving the first swivel plate, the synchronous equidirectional rotation of the second swivel plate.When engine charge overpressure is greater than exhaust branch pipe internal pressure, the cavity volume internal pressure on dividing plate right side is higher, solid of rotation drives the first swivel plate, the second swivel plate to be rotated counterclockwise, thereby makes the reducing rate of downtake pipe, second row gas branch pipe become large, and the pumping loss of motor is less; When engine charge overpressure is less than exhaust branch pipe internal pressure constantly, the cavity volume internal pressure on dividing plate right side is also lower, solid of rotation drives the first swivel plate, the second swivel plate to turn clockwise, thereby the reducing rate of downtake pipe, second row gas branch pipe is diminished, pulse energy can make full use of, and before turbine, available energy is more.
Compared with prior art, the present invention has following beneficial effect: the present invention is reasonable in design, simple in structure, being applicable to turbine inlet has the turbo charge system of and turbine side, can take into account the high and low rotating speed operating mode of motor, can make again pressurization system not need special exhaust branch pipe discharge area control mechanism.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of A-A section in Fig. 1;
Fig. 3 is the structural representation of B-B section in Fig. 1;
Fig. 4 is the structural representation of C-C section in Fig. 1;
Fig. 5 is the structural representation of D-D section in Fig. 1;
Fig. 6 is the structural representation that in the present invention, chain connects;
Wherein: 1, compressor air inlet machine pipe, 2, gas compressor, 3, engine air inlet tube, 4, motor, 5, first row gas branch pipe, 6, second row gas branch pipe, 7, outlet pipe, 8, turbine, 9, turbine exhaust pipe, 10, coupling shaft, 11, connecting tube, 12, cavity volume, 13, the second connecting tube, 14, solid of rotation, 15 dividing plates, 16, the 3rd running shaft, the 17, first running shaft, the 18, first swivel plate, 19, the second running shaft, the 20, second swivel plate, 21, chain.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, the present embodiment be take 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 shown in Figures 1 to 6, the present invention includes: comprise compressor air inlet machine pipe 1, gas compressor 2, engine air inlet tube 3, motor 4, first row gas branch pipe 5, second row gas branch pipe 6, outlet pipe 7, turbine 8, turbine exhaust pipe 9, coupling shaft 10, the first connecting tube 11, cavity volume 12, the second connecting tube 13, solid of rotation 14, dividing plate 15, the 3rd running shaft 16, the first running shaft 17, the first swivel plate 18, the second running shaft 19, the second swivel plate 20 and chain 21, 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 suction port of motor 4 is connected with the relief opening of engine air inlet tube 3, the suction port of first row gas branch pipe 5, the suction port of second row gas branch pipe 6 is connected with the air outlet flue of motor 4 respectively, the air outlet of first row gas branch pipe 5, the air outlet of second row gas branch pipe 6 is all connected with outlet pipe 7, the air inlet/outlet of turbine 8 respectively with the air outlet of outlet pipe 7, the suction port of turbine exhaust pipe 9 is connected, gas compressor 2 is coaxially connected by coupling shaft 10 with turbine 8, the longitudinal section of cavity volume 12 is circular, the longitudinal section of solid of rotation 14 is circular-arc, cavity volume 12 is rectangular with the cross section of solid of rotation 14, the dead in line of the axis of the 3rd coupling shaft 16 and cavity volume 12, one end of the 3rd coupling shaft 16 is embedded on the sidewall of cavity volume 12 through after cavity volume 12, dividing plate 15 be arranged in cavity volume 12 and with fixed being integrated of internal face of cavity volume 12, the upper-end surface of dividing plate 15 contacts with the 3rd coupling shaft 16 sealings, solid of rotation 14 is arranged in cavity volume 12 and with the internal face sealing of cavity volume 12 and contacts, coupling shaft 16 is fixed is integrated in solid of rotation 14 and cavity volume 12 the 3rd, the cross section of first row gas branch pipe 5 is rectangular, one end of the first running shaft 17 is embedded on the sidewall of first row gas branch pipe 5 through after first row gas branch pipe 5, the first swivel plate 18 be arranged in first row gas branch pipe 5 and with first row gas branch pipe 5 in first running shaft 17 is fixed is integrated, the cross section of second row gas branch pipe 6 is rectangular, one end of the second running shaft 19 is embedded on the sidewall of second row gas branch pipe 6 through after second row gas branch pipe 6, the second swivel plate 20 be arranged in second row gas branch pipe 6 and with second row gas branch pipe 6 in second running shaft 19 is fixed is integrated, the other end of the 3rd running shaft 16, the other end of the first running shaft 17, the other end of the second running shaft 19 is connected by chain 21, one end of the first connecting tube 11 is connected with the cavity volume 12 on dividing plate 15 right sides, the other end of the first connecting tube 11 is connected with engine air inlet tube 3, one end of the second connecting tube 13 is connected with second row gas branch pipe 6, the other end of the second connecting tube 13 is connected with the cavity volume in dividing plate 15 left sides, the first swivel plate 18, the second swivel plate 20 is flat board.
In working procedure of the present invention, solid of rotation 14 can be in the interior rotation of cavity volume 12, solid of rotation 14 and the 3rd running shaft 16 is fixed is integrated, and the first running shaft 17 and the first swivel plate 18 are consolidated, and the second running shaft 19 and the second swivel plate 20 are consolidated; When solid of rotation 14 rotation, chain 21 drives the first swivel plate 18, the synchronous equidirectional rotation of the second swivel plate 20.When engine air inlet tube 3 internal pressures are greater than exhaust branch pipe internal pressure, cavity volume 12 internal pressures on dividing plate 15 right sides are also higher, solid of rotation 14 drives the first swivel plate 18, the second swivel plate 20 to be rotated counterclockwise, thereby the reducing rate that makes downtake pipe 5, second row gas branch pipe 6 becomes large, and the pumping loss of motor 4 is less; When engine air inlet tube 3 internal pressures are less than exhaust branch pipe internal pressure, cavity volume 12 internal pressures on dividing plate 15 right sides are also lower, solid of rotation 14 drives the first swivel plate 18, the second swivel plate 20 to turn clockwise, thereby the reducing rate of downtake pipe 5, second row gas branch pipe 6 is diminished, pulse energy can make full use of, and the front available energy of turbine 8 is more.
Claims (1)
1. a differential arm throat area variable system, comprise compressor air inlet machine pipe, gas compressor, engine air inlet tube, motor, first row gas branch pipe, second row gas branch pipe, outlet pipe, turbine, turbine exhaust pipe and coupling shaft, the air inlet/outlet of gas compressor respectively with the air outlet of compressor air inlet machine pipe, the suction port of engine air inlet tube is connected, the suction port of motor is connected with the relief opening of engine air inlet tube, the suction port of first row gas branch pipe, the suction port of second row gas branch pipe is connected with the air outlet flue of motor respectively, the air outlet of first row gas branch pipe, the air outlet of second row gas branch pipe is all connected with outlet pipe, the air inlet/outlet of turbine respectively with the air outlet of outlet pipe, the suction port of turbine exhaust pipe is connected, gas compressor is coaxially connected by coupling shaft with turbine, it is characterized in that, also comprise the first connecting tube, cavity volume, the second connecting tube, solid of rotation, dividing plate, the 3rd running shaft, the first running shaft, the first swivel plate, the second running shaft, the second swivel plate and chain, the longitudinal section of cavity volume is circular, the longitudinal section of solid of rotation is circular-arc, the cross section of cavity volume and solid of rotation is rectangular, the 3rd axis of coupling shaft and the dead in line of cavity volume, one end of the 3rd coupling shaft is embedded on the sidewall of cavity volume through after cavity volume, dividing plate be arranged in cavity volume and with fixed being integrated of internal face of cavity volume, the upper-end surface of dividing plate contacts with the 3rd coupling shaft sealing, solid of rotation is arranged in cavity volume and with the internal face sealing of cavity volume and contacts, coupling shaft is fixed is integrated in solid of rotation and cavity volume the 3rd, the cross section of first row gas branch pipe is rectangular, one end of the first running shaft is embedded on the sidewall of first row gas branch pipe through after first row gas branch pipe, the first swivel plate be arranged in first row gas branch pipe and with first row gas branch pipe in fixed being integrated of the first running shaft, the cross section of second row gas branch pipe is rectangular, one end of the second running shaft is embedded on the sidewall of second row gas branch pipe through after second row gas branch pipe, the second swivel plate be arranged in second row gas branch pipe and with second row gas branch pipe in fixed being integrated of the second running shaft, the other end of the 3rd running shaft, the other end of the first running shaft, the other end of the second running shaft is connected by chain, one end of the first connecting tube is connected with the cavity volume on dividing plate right side, the other end of the first connecting tube is connected with engine air inlet tube, one end of the second connecting tube is connected with second row gas branch pipe, the other end of the second connecting tube is connected with the cavity volume in dividing plate left side, the first swivel plate, the second swivel plate is flat board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310476422.1A CN103573395A (en) | 2013-10-12 | 2013-10-12 | Differential pressure type system with throat-area-changeable branch pipes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310476422.1A CN103573395A (en) | 2013-10-12 | 2013-10-12 | Differential pressure type system with throat-area-changeable branch pipes |
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| CN103573395A true CN103573395A (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310476422.1A Pending CN103573395A (en) | 2013-10-12 | 2013-10-12 | Differential pressure type system with throat-area-changeable branch pipes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121113A (en) * | 2014-07-08 | 2014-10-29 | 北京理工大学 | Plugging-type interlayer for multi-pulse fuel gas generation device |
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| CN103089412A (en) * | 2013-01-15 | 2013-05-08 | 上海交通大学 | Rotation control type air exhaust pipe outlet area variable device |
| CN103089409A (en) * | 2013-01-15 | 2013-05-08 | 上海交通大学 | Variable air exhaust through flow area air inlet pressure control type adjusting device for turbocharged engine |
| CN103291443A (en) * | 2013-05-17 | 2013-09-11 | 上海交通大学 | Exhaust branch pipe outlet area regulating mechanism with chains |
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2013
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767419A (en) * | 2012-07-03 | 2012-11-07 | 上海交通大学 | Volume cavity device internally provided with spring |
| CN103089410A (en) * | 2013-01-15 | 2013-05-08 | 上海交通大学 | Rotation control type pipeline reducing rate variable device |
| CN103089411A (en) * | 2013-01-15 | 2013-05-08 | 上海交通大学 | Variable air exhaust through flow area air exhaust pressure control type adjusting mechanism for turbocharged engine |
| CN103089412A (en) * | 2013-01-15 | 2013-05-08 | 上海交通大学 | Rotation control type air exhaust pipe outlet area variable device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104121113A (en) * | 2014-07-08 | 2014-10-29 | 北京理工大学 | Plugging-type interlayer for multi-pulse fuel gas generation device |
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Application publication date: 20140212 |