CN102444464A - Twin-turbine single-voltage turbine supercharging system - Google Patents
Twin-turbine single-voltage turbine supercharging system Download PDFInfo
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- CN102444464A CN102444464A CN2011103441074A CN201110344107A CN102444464A CN 102444464 A CN102444464 A CN 102444464A CN 2011103441074 A CN2011103441074 A CN 2011103441074A CN 201110344107 A CN201110344107 A CN 201110344107A CN 102444464 A CN102444464 A CN 102444464A
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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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
A twin turbine single-voltage turbine supercharging system belongs to the technical field of internal combustion engine, which comprises air inlet pipes, an air inlet main pipe, an engine, an exhausting main pipe, exhausting pipes, an air compressor, a first turbine, a second turbine, a connecting shaft, a connecting pipe and control valves. The air compressor, the first turbine and the second turbine are coaxially connected through the connecting shaft. A first control valve is installed on an air inlet pipe of the first turbine, a second control valve is installed on an air inlet pipe of the second turbine, a third control valve is installed on an exhaust pipe of the first turbine, a fourth control valve is installed on an exhaust pipe of the second turbine, a fifth control valve is installed on the connecting pipe, and a low-voltage control valve is installed on a lower-voltage connecting pipe. By the adjustment of opening and closing of different control valves, three working modes including a single turbine, twin-turbine parallel connection and twin-turbine series connection can be achieved, and exhaust recycle under the three working modes can be achieved. The twin-turbine single-voltage turbine supercharging system is reasonable in design, simple in control strategy and suitable for being provided with different numbers of cylinders.
Description
Technical field
What the present invention relates to is a kind of turbo charge system of field of internal combustion engine, the particularly a kind of single turbo charge system of pressing in two whirlpools that can realize turbine series parallel connection work.
Background technique
In the face of severe day by day environment and energy crisis, improve specific power, reduce oil consumption and reduce the main direction that discharging becomes internal combustion engine development.The effective means of strengthening internal-combustion engine is not only in turbosupercharging, and realizes reducing oil consumption and the purpose that reduces discharging simultaneously, has become indispensable technological means of modern ic machine technology.But, receive the influence of turbocharger air compressor flow characteristic, for the single pressing system in traditional single whirlpool, gas compressor can only limit the popularization on a large scale of turbocharging technology in narrow high efficient area work.If motor need move the high pressure ratio operating mode, single stage turbocharger system also is difficult to meet the demands, and often need realize through the two-step supercharging system of complicacy.
Through the retrieval of existing technology document is found, one Chinese patent application numbers 200710144757.8, patent name: adjustable consecutive load turbo charge system; This patented technology realizes separate unit turbosupercharging, two parallel turbine superchargings through the bypass method in specific embodiments; The turbosupercharging of intake and exhaust bypass; High operating mode venting turbosupercharging has enlarged the range of operation of turbo-charged diesel, has improved the turbo-diesel's performance in the full operating mode scope; But this invention can't be regulated the matching relationship between turbine and the gas compressor.
Summary of the invention
The present invention is directed to the deficiency of above-mentioned existing technology; Provide a kind of pair of whirlpool single turbo charge system of pressing; Make its range of flow that not only can regulate turbine, can also realize single turbine, the parallel connection of two turbine, three kinds of mode of operations of two turbine series connection, and the exhaust gas recirculatioon under these three kinds of mode of operations.
The present invention realizes through following technological scheme; The present invention includes: suction tude, gas compressor, coupling shaft, intake manifold, intercooler, motor, exhaust manifold, outlet pipe, first gas inlet casing, second gas inlet casing, first turbine, second turbine, first turbine exhaust pipe and second turbine exhaust pipe; The air outlet of suction tude links to each other with the suction port of gas compressor; The air outlet of gas compressor links to each other with intake manifold's suction port; Intake manifold's air outlet links to each other with the suction port of motor; The air outlet of motor links to each other with the suction port of exhaust manifold, and intercooler is installed on the intake manifold, and the suction port of the suction port of first gas inlet casing, second gas inlet casing all links to each other with the air outlet of exhaust manifold; The air inlet/outlet of first turbine links to each other with the air outlet of first gas inlet casing, the suction port of first turbine exhaust pipe respectively; The air inlet/outlet of second turbine links to each other with the air outlet of second gas inlet casing, the suction port of second turbine exhaust pipe respectively, and the air outlet of first turbine exhaust pipe, second turbine exhaust pipe all links to each other with the suction port of outlet pipe, and gas compressor, first turbine, second turbine link to each other through coupling shaft is coaxial.
Also comprise connecting tube, first control valve, second control valve, the 3rd control valve, the 4th control valve and the 5th control valve; Connecting tube is installed between said first turbine exhaust pipe and said second gas inlet casing; First control valve is installed on said first gas inlet casing; Second control valve is installed on said second gas inlet casing; The 3rd control valve is installed on said first turbine exhaust pipe, and the 4th control valve is installed on said second turbine exhaust pipe, and the 5th control valve is installed on the connecting tube.
Also comprise low-pressure connection tube, low-pressure control valve and low pressure intercooler, low-pressure connection tube is installed between said suction tude and the said outlet pipe, and low-pressure control valve and low pressure intercooler are installed on the low-pressure connection tube.
In working procedure of the present invention, through regulating the opening and closing of different control valves, can realize single turbine, the parallel connection of two turbine, three kinds of mode of operations of two turbine series connection, and the exhaust gas recirculatioon under these three kinds of mode of operations.Open simultaneously when first control valve and the 3rd control valve, when second control valve, the 4th control valve and the 5th control valve are closed simultaneously, can realize working independently of first turbine; Close simultaneously when first control valve, the 3rd control valve and the 5th control valve, when second control valve and the 4th control valve are opened simultaneously, can realize working independently of second turbine; Open simultaneously when first control valve, second control valve, the 3rd control valve and the 4th control valve, when the 5th control valve is closed, can realize the parallel operation of first turbine and second turbine; Open simultaneously when first control valve, the 4th control valve and the 5th control valve, when second control valve and the 3rd control valve are closed simultaneously, can realize the series operation of first turbine and second turbine.Under these three kinds of mode of operations, all can realize exhaust gas recirculatioon:, can regulate exhaust gas recirculation rate through regulating the aperture of low-pressure control valve; When low-pressure control valve is all opened, have the exhaust of maximum flow to pass through in the low-pressure connection tube, exhaust gas recirculation rate is maximum.Can realize the cooling of engine charge can realizing the cooling of exhaust gas recirculatioon gas through the low pressure intercooler through intercooler.
Compared with prior art; The present invention has following beneficial effect: the present invention is reasonable in design; Control strategy is simple, is applicable to the turbo charge system of various cylinder number, can regulate the range of flow of turbine; Can realize single turbine, the parallel connection of two turbine, three kinds of mode of operations of two turbine series connection again, and the exhaust gas recirculatioon under these three kinds of mode of operations.Gas compressor was operated in high efficient area when single turbine work can ensure low discharge, prevented that surge from taking place; Two turbine parallel operations can ensure that gas compressor is operated in high efficient area when high flow capacity, prevent obstruction; Two turbine series operations can ensure the demand of motor to high pressure ratio, effectively improve engine power performance.Through exhaust gas recirculatioon, can further reduce the oxynitrides in the exhaust.
Description of drawings
Fig. 1 is the single structural representation of pressing turbo charge system in the two whirlpools of the present invention;
Wherein: 1, suction tude, 2, gas compressor, 3, coupling shaft, 4, the intake manifold, 5, intercooler; 6, motor, 7, exhaust manifold, 8, first gas inlet casing, 9, second gas inlet casing, 10, first turbine; 11, second turbine, 12, first turbine exhaust pipe, 13, second turbine exhaust pipe, 14, outlet pipe, 15, first control valve; 16, second control valve, the 17, the 3rd control valve, the 18, the 4th control valve, 19, connecting tube; 20, the 5th control valve, 21, low-pressure connection tube, 22, low-pressure control valve, 23, the low pressure intercooler.
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: suction tude 1, gas compressor 2, coupling shaft 3, intake manifold 4, intercooler 5, motor 6, exhaust manifold 7, outlet pipe 14, first gas inlet casing 8, second gas inlet casing 9, first turbine 10, second turbine 11, first turbine exhaust pipe 12, second turbine exhaust pipe 13, connecting tube 19, first control valve 15, second control valve 16, the 3rd control valve 17, the 4th control valve 18, the 5th control valve 20, low-pressure connection tube 21, low-pressure control valve 22 and low pressure intercooler 23; The air outlet of suction tude 1 links to each other with the suction port of gas compressor 2; The air outlet of gas compressor 2 links to each other with intake manifold 4 suction port; Intake manifold 4 air outlet links to each other with the suction port of motor 6; The air outlet of motor 6 links to each other with the suction port of exhaust manifold 7; Intercooler 5 is installed on the intake manifold 4; The suction port of the suction port of first gas inlet casing 8, second gas inlet casing 9 all links to each other with the air outlet of exhaust manifold 7, and the air inlet/outlet of first turbine 10 links to each other with the air outlet of first gas inlet casing 8, the suction port of first turbine exhaust pipe 12 respectively, and the air inlet/outlet of second turbine 11 links to each other with the air outlet of second gas inlet casing 9, the suction port of second turbine exhaust pipe 13 respectively; The air outlet of first turbine exhaust pipe 12, second turbine exhaust pipe 13 all links to each other with the suction port of outlet pipe 14; Gas compressor 2, first turbine 10, second turbine 11 are through 3 coaxial linking to each other of coupling shaft, and connecting tube 19 is installed between said first turbine exhaust pipe 12 and said second gas inlet casing 9, and first control valve 15 is installed on first gas inlet casing 8; Second control valve 16 is installed on second gas inlet casing 9; The 3rd control valve 17 is installed on first turbine exhaust pipe 12, and the 4th control valve 18 is installed on second turbine exhaust pipe 13, and the 5th control valve 20 is installed on the connecting tube 19; Low-pressure connection tube 21 is installed between suction tude 1 and the outlet pipe 14, and low-pressure control valve 22 is installed on the low-pressure connection tube 21 with low pressure intercooler 23.
In working procedure of the present invention, through regulating the opening and closing of different control valves, can realize single turbine, the parallel connection of two turbine, three kinds of mode of operations of two turbine series connection, and the exhaust gas recirculatioon under these three kinds of mode of operations.When first control valve 15 and the 3rd control valve 17 are opened simultaneously, when second control valve 16, the 4th control valve 18 and the 5th control valve 20 are closed simultaneously, can realize working independently of first turbine 10; Close simultaneously when first control valve 15, the 3rd control valve 17 and the 5th control valve 20, when second control valve 16 and the 4th control valve 18 are opened simultaneously, can realize working independently of second turbine 11; Open simultaneously when first control valve 15, second control valve 16, the 3rd control valve 17 and the 4th control valve 18, when the 5th control valve 20 is closed, can realize the parallel operation of first turbine 10 and second turbine 11; Open simultaneously when first control valve 15, the 4th control valve 18 and the 5th control valve 20, when second control valve 16 and the 3rd control valve 17 are closed simultaneously, can realize the series operation of first turbine 10 and second turbine 11.Under these three kinds of mode of operations, all can realize exhaust gas recirculatioon:, can regulate exhaust gas recirculation rate through regulating the aperture of low-pressure control valve 22; When low-pressure control valve is all opened, have the exhaust of maximum flow to pass through in the low-pressure connection tube 21, exhaust gas recirculation rate is maximum.Can realize the cooling of engine charge can realizing the cooling of exhaust gas recirculatioon gas through low pressure intercooler 23 through intercooler 5.
Claims (3)
1. two whirlpools list is pressed turbo charge system; Comprise: suction tude (1), gas compressor (2), coupling shaft (3), intake manifold (4), intercooler (5), motor (6), exhaust manifold (7) and outlet pipe (14); The air outlet of suction tude (1) links to each other with the suction port of gas compressor (2); The air outlet of gas compressor (2) links to each other with intake manifold's (4) suction port; Intake manifold's (4) air outlet links to each other with the suction port of motor (6); The air outlet of motor (6) links to each other with the suction port of exhaust manifold (7); Intercooler (5) is installed on the intake manifold (4); It is characterized in that also comprising first gas inlet casing (8), second gas inlet casing (9), first turbine (10), second turbine (11), first turbine exhaust pipe (12) and second turbine exhaust pipe (13); The suction port of the suction port of first gas inlet casing (8), second gas inlet casing (9) all links to each other with the air outlet of exhaust manifold (7), and the air inlet/outlet of first turbine (10) links to each other with the air outlet of first gas inlet casing (8), the suction port of first turbine exhaust pipe (12) respectively, and the air inlet/outlet of second turbine (11) links to each other with the air outlet of second gas inlet casing (9), the suction port of second turbine exhaust pipe (13) respectively; The air outlet of first turbine exhaust pipe (12), second turbine exhaust pipe (13) all links to each other with the suction port of outlet pipe (14), and gas compressor (2), first turbine (10), second turbine (11) link to each other through coupling shaft (3) is coaxial.
2. the according to claim 1 pair of single turbo charge system of pressing in whirlpool; It is characterized in that also comprising: connecting tube (19), first control valve (15), second control valve (16), the 3rd control valve (17), the 4th control valve (18) and the 5th control valve (20); Connecting tube (19) is installed between said first turbine exhaust pipe (12) and said second gas inlet casing (9); First control valve (15) is installed on said first gas inlet casing (8); Second control valve (16) is installed on said second gas inlet casing (9); The 3rd control valve (17) is installed on said first turbine exhaust pipe (12), and the 4th control valve (18) is installed on said second turbine exhaust pipe (13), and the 5th control valve (20) is installed on the connecting tube (19).
3. the according to claim 3 pair of single turbo charge system of pressing in whirlpool; It is characterized in that also comprising: low-pressure connection tube (21), low-pressure control valve (22) and low pressure intercooler (23); Low-pressure connection tube (21) is installed between said suction tude (1) and the said outlet pipe (14), and low-pressure control valve (22) and low pressure intercooler (23) are installed on the low-pressure connection tube (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011103441074A CN102444464A (en) | 2011-11-03 | 2011-11-03 | Twin-turbine single-voltage turbine supercharging system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103441074A CN102444464A (en) | 2011-11-03 | 2011-11-03 | Twin-turbine single-voltage turbine supercharging system |
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| CN102444464A true CN102444464A (en) | 2012-05-09 |
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| CN2011103441074A Pending CN102444464A (en) | 2011-11-03 | 2011-11-03 | Twin-turbine single-voltage turbine supercharging system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089405A (en) * | 2016-07-29 | 2016-11-09 | 中国北方发动机研究所(天津) | A kind of Novel supercharger structure with two-sided turbine |
| CN107060989A (en) * | 2017-03-31 | 2017-08-18 | 哈尔滨工程大学 | Three stage of the three turbocharger sequential turbocharging device and its control method of function are realized with EGR |
| CN108825360A (en) * | 2018-06-21 | 2018-11-16 | 温州伊诺韦特科技有限公司 | A kind of turbocharging structure and its control method |
| WO2021233431A1 (en) * | 2020-05-21 | 2021-11-25 | 上海必修福企业管理有限公司 | Turbocharging device and method therefor, and supercharging system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1030446A (en) * | 1996-07-17 | 1998-02-03 | Nissan Diesel Motor Co Ltd | Supercharger for engine |
| CN1737346A (en) * | 2005-05-12 | 2006-02-22 | 上海交通大学 | Adjustable high boost system with structure of series-parallel connection of turbochargers in different size |
| CN101182803A (en) * | 2007-12-06 | 2008-05-21 | 哈尔滨工程大学 | Adjustable consecutive composite turbocharging system |
| JP2009162124A (en) * | 2008-01-08 | 2009-07-23 | Toyota Motor Corp | Control system of parallel twin turbo system |
-
2011
- 2011-11-03 CN CN2011103441074A patent/CN102444464A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1030446A (en) * | 1996-07-17 | 1998-02-03 | Nissan Diesel Motor Co Ltd | Supercharger for engine |
| CN1737346A (en) * | 2005-05-12 | 2006-02-22 | 上海交通大学 | Adjustable high boost system with structure of series-parallel connection of turbochargers in different size |
| CN101182803A (en) * | 2007-12-06 | 2008-05-21 | 哈尔滨工程大学 | Adjustable consecutive composite turbocharging system |
| JP2009162124A (en) * | 2008-01-08 | 2009-07-23 | Toyota Motor Corp | Control system of parallel twin turbo system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089405A (en) * | 2016-07-29 | 2016-11-09 | 中国北方发动机研究所(天津) | A kind of Novel supercharger structure with two-sided turbine |
| CN107060989A (en) * | 2017-03-31 | 2017-08-18 | 哈尔滨工程大学 | Three stage of the three turbocharger sequential turbocharging device and its control method of function are realized with EGR |
| CN107060989B (en) * | 2017-03-31 | 2019-05-17 | 哈尔滨工程大学 | Three stage of the three turbocharger sequential turbocharging device and its control method of function are realized with EGR |
| CN108825360A (en) * | 2018-06-21 | 2018-11-16 | 温州伊诺韦特科技有限公司 | A kind of turbocharging structure and its control method |
| WO2021233431A1 (en) * | 2020-05-21 | 2021-11-25 | 上海必修福企业管理有限公司 | Turbocharging device and method therefor, and supercharging system |
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Application publication date: 20120509 |