CN102518509A - Turbine pressurizing system with adjustable rotating speed of gas compressor - Google Patents
Turbine pressurizing system with adjustable rotating speed of gas compressor Download PDFInfo
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- CN102518509A CN102518509A CN2011103835377A CN201110383537A CN102518509A CN 102518509 A CN102518509 A CN 102518509A CN 2011103835377 A CN2011103835377 A CN 2011103835377A CN 201110383537 A CN201110383537 A CN 201110383537A CN 102518509 A CN102518509 A CN 102518509A
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- gas compressor
- turbine
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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 relates to a turbine pressurizing system with adjustable rotating speed of a gas compressor. The turbine pressurizing system comprises the gas compressor, an engine, a turbine, a gas compressor connecting shaft, a turbine connecting shaft and gears, wherein a first gear and a second gear are both arranged on the gas compressor connecting shaft, the gear number of the first gear is less than that of the second gear, a third gear is arranged on the turbine connecting shaft, and the second gear is meshed with the third gear. When the engine is in a low-speed working condition, the first gear and the third gear are meshed by a control mechanism, the rotating speed and the efficiency of the gas compressor are both high, the engine has high air inflowing rate, combustion is good and the performances of the complete machine are excellent; when the engine is in a high-speed working condition, the second gear is meshed with the third gear by the control mechanism, the gas compressor has low rotating speed, the engine has low air inflowing rate, the blasting pressure is low, pumping loss is low, and the performances of the complete machine are excellent. The turbine pressurizing system is reasonable in design, is simple in structure and is suitable for the turbine pressurizing system without a valve control mechanism in an exhaust piping system.
Description
Technical field
What the present invention relates to is a kind of turbo charge system of field of internal combustion engine, particularly a kind of turbo charge system of gas compressor rotating speed adjustable joint.
Background technique
Along with the development of society and the raising of environmental requirement, the engine booster The Application of Technology more and more widely, 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; The shared outlet pipe that volume is bigger of each cylinder, 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 the 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 make full use 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 make full use of, low speed operating mode and instantaneous conditions better performances; But when high-speed working condition, pumping loss is bigger.This shows, if a waste pipe volume can change along with the conversion of operating mode, make exhaust pipe volume become big during high-speed working condition, during the low speed operating mode exhaust pipe volume is diminished, this is comparatively desirable.
Retrieval through to the existing technology document is found; Chinese patent ZL200810203054.2; Patent name: the turbo charge system of supercharging mode-variable when turbine is mid-, this patented technology provide a kind of exhaust pipe volume variable device, can take into account the high and low rotating speed operating mode of motor preferably; But the controllable valve in the outlet pipe is in the hot environment always, causes valve to damage easily, and also relatively more difficult in the sealing of hot environment lower valve.
Summary of the invention
The present invention is directed to the deficiency of above-mentioned existing technology; A kind of turbo charge system of gas compressor rotating speed adjustable joint is provided, has made its gas compressor rotating speed can realize regulating, taken into account the high and low rotating speed operating mode of motor preferably; And simple in structure, the gas leakage situation can not take place in exhaust piping yet.
The present invention realizes through following technological scheme; The present invention includes: compressor air inlet machine pipe, gas compressor, gas compressor steam outlet pipe, intercooler, intake manifold, motor, exhaust manifold, turbine, turbine steam outlet pipe, gas compressor coupling shaft, turbine coupling shaft, rotating speed cross box, control mechanism, first gear, second gear and the 3rd gear; The air inlet/outlet of gas compressor is connected with the air outlet of compressor air inlet machine pipe, the suction port of gas compressor steam outlet pipe respectively; The air inlet/outlet of intercooler is connected with the air outlet of gas compressor steam outlet pipe, intake manifold's suction port respectively; The air inlet/outlet of motor is connected with intake manifold's air outlet, the suction port of exhaust manifold respectively; The air inlet/outlet of the turbine air outlet, the suction port of turbine steam outlet pipe of exhaust manifold respectively is connected, and first gear and second gear are installed on the gas compressor coupling shaft, and first speeds the number of gears of gear less than the number of gears of second gear; The 3rd gear is installed on the turbine coupling shaft; Second gear is meshed with the 3rd gear, and the rotating speed cross box is installed in the outside of first gear, second gear and the 3rd gear, and control mechanism is connected with the rotating speed cross box.
Said the 3rd gear is 1: 1 with the ratio of the number of gears of said second gear, and said the 3rd gear is 2: 1 with the ratio of the number of gears of said first gear.
In working procedure of the present invention, utilize control mechanism can realize three engagements switchings between the gear.When motor is in the low speed operating mode, utilize control mechanism that first gear is meshed with the 3rd gear, the rotating speed of gas compressor and efficient are all higher, and engine intake airflow is bigger, and burning is better, and the complete machine performance is more excellent; When motor is in high-speed working condition, utilize control mechanism that second gear is meshed with the 3rd gear, the gas compressor rotating speed is lower, and engine intake airflow is less, and detonation pressure is less, and pumping loss is lower, and the complete machine performance is more excellent.
Compared with prior art; The present invention has following beneficial effect: the present invention is reasonable in design, and is simple in structure, is applicable to that exhaust piping is not with the valve control mechanism turbo charge system; Can take into account the high and low rotating speed operating mode of motor, the pressurization system exhaust piping can not leaked gas.
Description of drawings
Fig. 1 is the connection schematic representation of the turbo charge system of gas compressor rotating speed adjustable joint of the present invention;
Wherein: 1, compressor air inlet machine pipe, 2, gas compressor, 3, the gas compressor steam outlet pipe, 4, intercooler; 5, intake manifold, 6, motor, 7, exhaust manifold, 8, turbine; 9, turbine steam outlet pipe, 10, the gas compressor coupling shaft, 11, the turbine coupling shaft, 12, the rotating speed a-b box; 13, control mechanism, 14, first gear, 15, second gear, the 16, the 3rd gear.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, present embodiment is a prerequisite with technological scheme of the present invention, 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 Figure 1; The present invention includes: compressor air inlet machine pipe 1, gas compressor 2, gas compressor steam outlet pipe 3, intercooler 4, intake manifold 5, motor 6, exhaust manifold 7, turbine 8, turbine steam outlet pipe 9, gas compressor coupling shaft 10, turbine coupling shaft 11, rotating speed cross box 12, control mechanism 13, first gear 14, second gear 15 and the 3rd gear 16; The air inlet/outlet of gas compressor 2 is connected with the air outlet of compressor air inlet machine pipe 1, the suction port of gas compressor steam outlet pipe 3 respectively; The air inlet/outlet of intercooler 4 is connected with the air outlet of gas compressor steam outlet pipe 3, intake manifold 5 suction port respectively; The air inlet/outlet of motor is connected with intake manifold 5 air outlet, the suction port of exhaust manifold 7 respectively; The air inlet/outlet of turbine 8 air outlet, the suction port of turbine steam outlet pipe 9 of exhaust manifold 7 respectively is connected; First gear 14 and second gear 15 are installed on the gas compressor coupling shaft 10, and the 3rd gear 16 is installed on the turbine coupling shaft 11, and second gear 15 is meshed with the 3rd gear 16; Rotating speed cross box 12 is installed in the outside of first gear 14, second gear 15 and the 3rd gear 16; Control mechanism 13 is connected with rotating speed cross box 12, and the ratio of the number of gears of the 3rd gear 16 and second gear 15 is 1: 1, and the ratio of the number of gears of the 3rd gear 16 and first gear 14 is 2: 1.
In working procedure of the present invention, utilize control mechanism 13 can realize three engagements switchings between the gear.When motor is in the low speed operating mode, utilize control mechanism 13 that first gear 14 is meshed with the 3rd gear 16, the rotating speed of gas compressor and efficient are all higher, and engine intake airflow is bigger, and burning is better, and the complete machine performance is more excellent; When motor is in high-speed working condition, utilize control mechanism 13 that second gear 15 is meshed with the 3rd gear 16, the gas compressor rotating speed is lower, and engine intake airflow is less, and detonation pressure is less, and pumping loss is lower, and the complete machine performance is more excellent.Therefore, the present invention can take into account the high and low rotating speed operating mode of motor preferably.
Claims (2)
1. the turbo charge system of gas compressor rotating speed adjustable joint; Comprise: compressor air inlet machine pipe (1), gas compressor (2), gas compressor steam outlet pipe (3), intercooler (4), intake manifold (5), motor (6), exhaust manifold (7), turbine (8) and turbine steam outlet pipe (9); The air inlet/outlet of gas compressor (2) is connected with the air outlet of compressor air inlet machine pipe (1), the suction port of gas compressor steam outlet pipe (3) respectively; The air inlet/outlet of intercooler (4) is connected with the air outlet of gas compressor steam outlet pipe (3), intake manifold's (5) suction port respectively; The air inlet/outlet of motor is connected with the air outlet of intake manifold (5), the suction port of exhaust manifold (7) respectively; The air outlet of the air inlet/outlet difference exhaust manifold (7) of turbine (8), the suction port of turbine steam outlet pipe (9) are connected; It is characterized in that also comprising: gas compressor coupling shaft (10), turbine coupling shaft (11), rotating speed cross box (12), control mechanism (13), first gear (14), second gear (15) and the 3rd gear (16); First gear (14) and second gear (15) are installed on the gas compressor coupling shaft (10); First speeds the number of gears of gear (14) less than the number of gears of second gear (15), and the 3rd gear (16) is installed on the turbine coupling shaft (11), and second gear (15) is meshed with the 3rd gear (16); Rotating speed cross box (12) is installed in the outside of first gear (14), second gear (15) and the 3rd gear (16), and control mechanism (13) is connected with rotating speed cross box (12).
2. the turbo charge system of gas compressor rotating speed adjustable joint according to claim 1; It is characterized in that; Said the 3rd gear (16) is 1: 1 with the ratio of the number of gears of said second gear (15), and said the 3rd gear (16) is 2: 1 with the ratio of the number of gears of said first gear (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103835377A CN102518509A (en) | 2011-11-25 | 2011-11-25 | Turbine pressurizing system with adjustable rotating speed of gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103835377A CN102518509A (en) | 2011-11-25 | 2011-11-25 | Turbine pressurizing system with adjustable rotating speed of gas compressor |
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| Publication Number | Publication Date |
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| CN102518509A true CN102518509A (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103835377A Pending CN102518509A (en) | 2011-11-25 | 2011-11-25 | Turbine pressurizing system with adjustable rotating speed of gas compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948925A (en) * | 2017-04-19 | 2017-07-14 | 郑州航空工业管理学院 | The plenum of multi gear variable speed turbine and the engine power system of dual drive disk fuel feeding |
-
2011
- 2011-11-25 CN CN2011103835377A patent/CN102518509A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948925A (en) * | 2017-04-19 | 2017-07-14 | 郑州航空工业管理学院 | The plenum of multi gear variable speed turbine and the engine power system of dual drive disk fuel feeding |
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Application publication date: 20120627 |