CN103089409A - Variable air exhaust through flow area air inlet pressure control type adjusting device for turbocharged engine - Google Patents
Variable air exhaust through flow area air inlet pressure control type adjusting device for turbocharged engine Download PDFInfo
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- CN103089409A CN103089409A CN2013100148748A CN201310014874A CN103089409A CN 103089409 A CN103089409 A CN 103089409A CN 2013100148748 A CN2013100148748 A CN 2013100148748A CN 201310014874 A CN201310014874 A CN 201310014874A CN 103089409 A CN103089409 A CN 103089409A
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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
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- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
A variable air exhaust through flow area air inlet pressure control type adjusting device for a turbocharged engine belongs to the technical field of mechanical design and comprises an air compressor, an engine, a turbine, a volume cavity, a rotation body, a spring, a rotation rod, a rotation shaft and a rotation plate. The longitudinal sections of the volume cavity and the rotation body are both in arc shapes, the rotation plate is installed in an air exhaust pipe, the rotation plate and the rotation shaft are fixed together, the left wall of the rotation body is connected with the left wall of the volume cavity through the spring, and two ends of the connection pipe are respectively communicated with the right wall of the volume cavity and an air inlet pipe of the engine. When pressure in the air inlet pipe of the engine is high, the rotation body drives the rotation plate to rotate in a counterclockwise mode, pumping loss of the engine is small, and the whole performance is excellent. When pressure in the air inlet pipe of the engine is low, the rotation body drives the rotation plate to rotate in a clockwise mode, available energy in front of the turbine is more, air inlet pressure of the engine is high, and the whole performance is excellent. The variable air exhaust through flow area air inlet pressure control type adjusting device for the turbocharged engine is reasonable in design, simple in structure and suitable for a turbine single inlet turbocharged system.
Description
Technical field
What the present invention relates to is the turbo charge system in a kind of mechanical designing technique field, and particularly a kind of suction pressure of turbosupercharged engine variable exhaust flow area is controlled the formula controlling device.
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, and exhaust piping is relatively simple for structure, and 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, and the exhaust piping caliber is less, and 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 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 the low speed operating mode, exhaust pipe volume is diminished, this is comparatively desirable.Under the constant prerequisite of exhaust pipe volume, by changing the area of turbine inlet, also can realize taking into account of motor high and low rotating speed operating mode.When the low speed operating mode, the turbine inlet area is diminished, before turbine, available energy is more; Make the turbine inlet area become large when high-speed working condition, the motor pumping loss is less, and this is also comparatively desirable.
Find through the retrieval to the prior art document, 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 turbine inlet area continuous variable, can take into account preferably the high and low rotating speed operating mode of motor; But the variation of its turbine inlet area is the rotation by rotating handles to be realized, this just needs to increase a special control mechanism of cover control the rotation of rotating handles, thus 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, provide a kind of suction pressure of turbosupercharged engine variable exhaust flow area to control the formula controlling device, make its outlet pipe throat area 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 compressor air inlet machine pipe, gas compressor, engine air inlet tube, motor, exhaust branch pipe, outlet pipe, turbine, the turbine steam outlet pipe, coupling shaft, cavity volume, solid of rotation, spring, connecting tube, swingle, running shaft and swivel plate, 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 air inlet/outlet of motor respectively with the air outlet of engine air inlet tube, the suction port of exhaust branch pipe is connected, and the air outlet of exhaust branch pipe is connected with outlet pipe, the air inlet/outlet of turbine respectively with the air outlet of outlet pipe, the suction port of turbine steam outlet pipe is connected, the suction port of compressor air inlet machine pipe, the air outlet of turbine steam outlet pipe all is connected with atmosphere, gas compressor is connected by coupling shaft is coaxial with turbine, the longitudinal section of cavity volume and solid of rotation is circular-arc, solid of rotation is arranged in cavity volume, the outer wall of solid of rotation contacts with the sealing of the internal face of cavity volume, a dead slot is arranged on the lower wall surface of cavity volume, one end of swingle is consolidated with solid of rotation after passing dead slot on the cavity volume lower wall surface, one end of the other end of swingle and running shaft is consolidated, the other end of running shaft is embedded on the sidewall of outlet pipe after passing outlet pipe, swivel plate is arranged in outlet pipe, swivel plate and running shaft are consolidated, swivel plate, the cross section of outlet pipe is circle, and the external diameter of swivel plate is less than the internal diameter of outlet pipe, and the left wall of solid of rotation is connected with the left wall of cavity volume by spring, the two ends of connecting tube respectively with the right wall of cavity volume, engine air inlet tube is connected.
In the present invention, solid of rotation can rotate in cavity volume, and solid of rotation when rotation can the driven rotary bar, running shaft, swivel plate synchronous rotary.When the engine charge overpressure was higher, the cavity volume internal pressure on solid of rotation right side was also higher, and solid of rotation is rotated counterclockwise and Compress Spring, swingle, running shaft, swivel plate synchronously are rotated counterclockwise, it is large that the throat area of outlet pipe becomes, and the motor pumping loss is less, and overall performance is more excellent; When the engine charge overpressure is low, the cavity volume internal pressure on solid of rotation right side is also lower, solid of rotation turns clockwise under the elastic reaction of spring, swingle, running shaft, swivel plate synchronously turn clockwise, the throat area of outlet pipe diminishes, before turbine, available energy is more, and engine charge pressure is higher, and overall performance is more excellent.
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 outlet pipe throat area control mechanism.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the invention;
Fig. 2 is the structural representation of AA section in Fig. 1;
Fig. 3 is the structural representation of second embodiment of the invention;
Wherein: 1, compressor air inlet machine pipe, 2, gas compressor, 3, engine air inlet tube, 4, motor, 5, exhaust branch pipe, 6, outlet pipe, 7, turbine, 8, the turbine steam outlet pipe, 9, coupling shaft, 10, cavity volume, 11, solid of rotation, 12, spring, 13, connecting tube, 14, swingle, 15, running shaft, 16, swivel plate.
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
shown in first embodiment as depicted in figs. 1 and 2, the present invention includes compressor air inlet machine pipe 1, gas compressor 2, engine air inlet tube 3, motor 4, exhaust branch pipe 5, outlet pipe 6, turbine 7, turbine steam outlet pipe 8, coupling shaft 9, cavity volume 10, solid of rotation 11, spring 12, connecting tube 13, swingle 14, running shaft 15 and swivel plate 16, 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, and the air outlet of exhaust branch pipe 5 is connected with outlet pipe 6, the air inlet/outlet of turbine 7 respectively with the air outlet of outlet pipe 6, the suction port of turbine steam outlet pipe 8 is connected, the suction port of compressor air inlet machine pipe 1, the air outlet of turbine steam outlet pipe 8 all is connected with atmosphere, gas compressor 2 is connected by coupling shaft 9 is coaxial with turbine 7, cavity volume 10 is circular-arc with the longitudinal section of solid of rotation 11, solid of rotation 11 is arranged in cavity volume 10, the outer wall of solid of rotation 11 contacts with the internal face sealing of cavity volume 10, a dead slot is arranged on the lower wall surface of cavity volume 10, one end of swingle 14 is consolidated with solid of rotation 11 after passing dead slot on cavity volume 10 lower wall surfaces, one end of the other end of swingle 14 and running shaft 15 is consolidated, the other end of running shaft 15 is embedded on the sidewall of outlet pipe 6 after passing outlet pipe 6, swivel plate 16 is arranged in outlet pipe 6, swivel plate 16 is consolidated with running shaft 15, swivel plate 16, the cross section of outlet pipe 6 is circle, and the external diameter of swivel plate 16 is less than the internal diameter of outlet pipe 6, and the left wall of solid of rotation 11 is connected with the left wall of cavity volume 10 by spring 12, the two ends of connecting tube 13 respectively with the right wall of cavity volume 10, engine air inlet tube 3 is connected.
In first embodiment of the present invention, solid of rotation 11 can be in the interior rotation of cavity volume 10, can driven rotary bar 14 during solid of rotation 11 rotation, running shaft 15, swivel plate 16 synchronous rotaries.When engine air inlet tube 3 internal pressures when higher, cavity volume 10 internal pressures on solid of rotation 11 right sides are also higher, solid of rotation 11 is rotated counterclockwise and Compress Spring 12, swingle 14, running shaft 15, swivel plate 16 synchronously are rotated counterclockwise, it is large that the throat area of outlet pipe 6 becomes, the motor pumping loss is less, and overall performance is more excellent; When engine air inlet tube 3 internal pressures are low, cavity volume 10 internal pressures on solid of rotation 11 right sides are also lower, solid of rotation 11 turns clockwise under the elastic reaction of spring 12, swingle 14, running shaft 15, swivel plate 16 synchronously turn clockwise, the throat area of outlet pipe 6 diminishes, before turbine, available energy is more, and engine charge pressure is higher, and overall performance is more excellent.
In the present invention, spring 12 also can be arranged between the right wall of the right wall of solid of rotation 11 and cavity volume 10, shown in second embodiment as shown in Figure 3.In second embodiment, when engine air inlet tube 3 internal pressures when higher, cavity volume 10 internal pressures on solid of rotation 11 right sides are also higher, solid of rotation 11 is rotated counterclockwise and extension spring 12, swingle 14, running shaft 15, swivel plate 16 synchronously are rotated counterclockwise, it is large that the throat area of outlet pipe 6 becomes, and the motor pumping loss is less, and overall performance is more excellent; When engine air inlet tube 3 internal pressures are low, cavity volume 10 internal pressures on solid of rotation 11 right sides are also lower, solid of rotation 11 turns clockwise under the stretching action of spring 12, swingle 14, running shaft 15, swivel plate 16 synchronously turn clockwise, the throat area of outlet pipe 6 diminishes, before turbine, available energy is more, and engine charge pressure is higher, and overall performance is more excellent.
Claims (1)
1. the suction pressure of a turbosupercharged engine variable exhaust flow area is controlled the formula controlling device, comprise compressor air inlet machine pipe (1), gas compressor (2), engine air inlet tube (3), motor (4), exhaust branch pipe (5), outlet pipe (6), turbine (7), turbine steam outlet pipe (8) and coupling shaft (9), 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 of exhaust branch pipe (5) is connected with outlet pipe (6), the air inlet/outlet of turbine (7) respectively with the air outlet of outlet pipe (6), the suction port of turbine steam outlet pipe (8) is connected, the suction port of compressor air inlet machine pipe (1), the air outlet of turbine steam outlet pipe (8) all is connected with atmosphere, gas compressor (2) with turbine (7) by coaxial being connected of coupling shaft (9), characterized by further comprising cavity volume (10), solid of rotation (11), spring (12), connecting tube (13), swingle (14), running shaft (15) and swivel plate (16), cavity volume (10) is circular-arc with the longitudinal section of solid of rotation (11), solid of rotation (11) is arranged in cavity volume (10), the outer wall of solid of rotation (11) contacts with the internal face sealing of cavity volume (10), a dead slot is arranged on the lower wall surface of cavity volume (10), one end of swingle (14) is consolidated with solid of rotation (11) after passing dead slot on cavity volume (10) lower wall surface, one end of the other end of swingle (14) and running shaft (15) is consolidated, the other end of running shaft (15) is embedded on the sidewall of outlet pipe (6) after passing outlet pipe (6), swivel plate (16) is arranged in outlet pipe (6), swivel plate (16) is consolidated with running shaft (15), swivel plate (16), the cross section of outlet pipe (6) is circle, the external diameter of swivel plate (16) is less than the internal diameter of outlet pipe (6), the left wall of solid of rotation (11) is connected by the left wall of spring (12) with cavity volume (10), the two ends of connecting tube (13) respectively with the right wall of cavity volume (10), engine air inlet tube (3) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310014874.8A CN103089409B (en) | 2013-01-15 | 2013-01-15 | Variable air exhaust through flow area air inlet pressure control type adjusting device for turbocharged engine |
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| CN201310014874.8A CN103089409B (en) | 2013-01-15 | 2013-01-15 | Variable air exhaust through flow area air inlet pressure control type adjusting device for turbocharged engine |
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| CN103089409A true CN103089409A (en) | 2013-05-08 |
| CN103089409B CN103089409B (en) | 2015-04-01 |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291443A (en) * | 2013-05-17 | 2013-09-11 | 上海交通大学 | Exhaust branch pipe outlet area regulating mechanism with chains |
| CN103291433A (en) * | 2013-05-17 | 2013-09-11 | 上海交通大学 | Triaxial synchronous type variable exhaust branch reducing rate system |
| CN103291503A (en) * | 2013-05-24 | 2013-09-11 | 上海交通大学 | Rotary exhaust gas flow rate regulating system |
| CN103375245A (en) * | 2013-07-25 | 2013-10-30 | 上海交通大学 | Chain-driven mechanical rotation system |
| CN103382887A (en) * | 2013-07-25 | 2013-11-06 | 上海交通大学 | Chain transmission system with double-arc structure |
| CN103382888A (en) * | 2013-07-25 | 2013-11-06 | 上海交通大学 | Double-shaft synchronous control mechanism for exhaust pipe throat area |
| CN103382886A (en) * | 2013-07-25 | 2013-11-06 | 上海交通大学 | Double through pipe type rotation mechanism |
| CN103397937A (en) * | 2013-07-18 | 2013-11-20 | 上海交通大学 | Mechanical adjustment system with through tubes in fixed body |
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| CN103452648A (en) * | 2013-08-29 | 2013-12-18 | 上海交通大学 | Throat area regulating device of exhaust manifold |
| CN103452649A (en) * | 2013-08-29 | 2013-12-18 | 上海交通大学 | Mechanical exhaust pipe pressure regulating system |
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| CN103470364A (en) * | 2013-08-22 | 2013-12-25 | 上海交通大学 | Rotating system with through hole in rotator |
| CN103470363A (en) * | 2013-08-22 | 2013-12-25 | 上海交通大学 | Supercharging system with variable area for throat of rotary type exhaust header pipe |
| CN103527350A (en) * | 2013-10-13 | 2014-01-22 | 刘飞 | Rotary type exhaust gas recirculation control system |
| CN103573390A (en) * | 2013-09-24 | 2014-02-12 | 上海交通大学 | Differential pressure type two-rotating-shaft synchronous rotary system |
| CN103573393A (en) * | 2013-10-12 | 2014-02-12 | 上海交通大学 | Pressure unbalance type rotation control mechanism |
| CN103573391A (en) * | 2013-10-12 | 2014-02-12 | 上海交通大学 | Connecting shaft-embedded mechanical control system |
| CN103573395A (en) * | 2013-10-12 | 2014-02-12 | 上海交通大学 | Differential pressure type system with throat-area-changeable branch pipes |
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