CN102359413A - Turbocharging system - Google Patents
Turbocharging system Download PDFInfo
- Publication number
- CN102359413A CN102359413A CN2011102948289A CN201110294828A CN102359413A CN 102359413 A CN102359413 A CN 102359413A CN 2011102948289 A CN2011102948289 A CN 2011102948289A CN 201110294828 A CN201110294828 A CN 201110294828A CN 102359413 A CN102359413 A CN 102359413A
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- turbosupercharger
- air
- valve
- air outlet
- gas
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- 239000007789 gas Substances 0.000 claims abstract description 53
- 239000002912 waste gas Substances 0.000 claims abstract description 29
- 230000001133 acceleration Effects 0.000 abstract description 7
- 238000010304 firing Methods 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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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
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- Supercharger (AREA)
Abstract
The invention discloses a turbocharging system which can work in a wider flow range and can improve acceleration hysteresis phenomenon when in low-rotating-speed. The turbocharging system specifically comprises a waste gas inlet, a waste gas outlet, an air inlet pipeline, a turbocharging device and an intercooler, wherein a worm wheel of the turbocharging device is arranged in a pipeline between the waste gas inlet and the waste gas outlet, a gas compressor of the turbocharging device is arranged in the air inlet pipeline, an air outlet of the gas compressor is communicated with an air outlet of the intercooler, an air outlet of the gas compressor is communicated with an air inlet of a gas storage bottle through a one-way valve, and an air outlet of the gas storage bottle is communicated with an air inlet of the intercooler through a pipeline valve. The turbocharging system disclosed by the invention has a simple structure, and can be used for storing partial waste gas energy under a high-rotating-speed working condition in a form of compressed gas to be used for urgent acceleration of an engine while the demand of normal running of the engine is met, thereby improving the acceleration hysteresis phenomenon when in the low-rotating-speed.
Description
Technical field
The invention belongs to the engine manufacturing technology field, specially refer to a kind of turbo charge system.
Background technique
The exhaust gas driven air compressor that turbo charge system can utilize internal combustion engine to produce increases the air mass flow that gets into internal-combustion engine, thereby makes the efficiengy-increasing of internal-combustion engine.In existing turbo charge system, because the self character of turbine makes so, turbosupercharger can only be worked in certain range of flow.Different operating modes in engine operation; The exhaust gas flow fluctuation of discharging is bigger; Therefore in order to make turbosupercharger adapt to this situation, generally adopt following two kinds of schemes: 1, utilizing variable turbine geometry mechanism to regulate the off-gas flows flow, is the runner control exhaust gas flow that utilizes rotatable blade to form that patent proposed of CN200780005301.1 like the patent No.; The shortcoming of this scheme is mainly: cost is higher; And owing to Sulpher content in the domestic fuel oil is higher, the blade of therefore regulating exhaust gas flow is often blocked by impurities in waste gas, loses the ability that it regulates exhaust gas flow; 2, in during high rotating speed operating mode, the waste gas that motor is discharged exceeds needs, utilizes the waste gas that bypass system will be unnecessary to flow into exhaust-gas treatment system, the shortcoming of this scheme is that total efficiency is lower, because the directly discharge of unnecessary exhaust energy quilt.
In addition, because turbosupercharger is through waste gas acting drive pressure mechanism of qi compress inlet air air,,, air inflow slowly causes the distinctive acceleration hysteresis phenomenon of turbosupercharger owing to increasing therefore in the slow-speed of revolution and under the situation that needs to quicken suddenly.
Summary of the invention
The objective of the invention is to propose a kind of turbo charge system, can in the range of flow of broad, work, can improve the acceleration hysteresis phenomenon of turbosupercharger when the slow-speed of revolution simultaneously.
Turbo charge system of the present invention comprises waste gas inlet, waste gas air outlet, air inlet pipeline, turbosupercharger and intercooler; The turbine of said turbosupercharger is arranged in the pipeline that connects waste gas inlet and waste gas air outlet; The gas compressor of turbosupercharger is arranged in the air inlet pipeline; The air outlet of said gas compressor communicates with the suction port of said intercooler; Key is that the air outlet of said gas compressor also communicates with the suction port of an air cylinder through an one-way valve, and the air outlet of said air cylinder communicates with the suction port of said intercooler through a pipeline valve.
The controlling method of above-mentioned turbo charge system is following: under the high rotating speed operating mode; The fresh air part that the gas compressor of turbosupercharger is pressed into is through in the firing chamber that gets into intercooler entering motor; To satisfy the needs of motor, another part gets in the air cylinder and stores.When be badly in need of quickening, can the opening conduits valve, with in the air cylinder in advance the air of storage in intercooler is sent into the firing chamber of motor, to improve the instantaneous output of motor.
The quantity of said turbosupercharger can be one, utilizes same turbosupercharger to accomplish the work to motor and air cylinder air feed, can save cost like this.
Further; Arrange and the assurance engine mildness for convenient; The quantity of turbosupercharger can also be two; The structure of the turbo charge system of two turbosupercharger of employing is following: said waste gas inlet is communicated with through main exhaust pipe, the bypass exhaust pipe that parallel connection is provided with the waste gas air outlet, and the inlet end of said bypass exhaust pipe is communicated with main exhaust pipe through one first valve; Said turbosupercharger comprises main turbosupercharger and secondary turbosupercharger; The gas compressor of said main turbosupercharger and secondary turbosupercharger all is arranged in the air inlet pipeline; The turbine of said main turbosupercharger is arranged in the main exhaust pipe, and the turbine of said secondary turbosupercharger is arranged in the bypass exhaust pipe; The air outlet of the gas compressor of said main turbosupercharger communicates with the suction port of said intercooler; The air outlet of the gas compressor of said secondary turbosupercharger communicates with the suction port of an air cylinder through an one-way valve, and the air outlet of said air cylinder communicates with the suction port of said intercooler through one second valve.
The controlling method of the turbo charge system of two turbosupercharger of above-mentioned employing is following: under the high rotating speed operating mode; Need not all waste gas all is used for the turbine of turbosupercharger is done work to increase the air inlet of motor; Open first valve this moment; The fresh air that the gas compressor of main like this turbosupercharger is pressed into is through in the firing chamber that gets into intercooler entering motor, and to satisfy the needs of motor cruising, the fresh air that the gas compressor of secondary turbosupercharger is pressed into gets in the air cylinder and stores; Can also control the air quantity in the firing chamber that gets into motor in the air cylinder through the aperture of controlling second valve simultaneously, to satisfy the needs that quicken.Under slow-speed of revolution operating mode, close first valve, make all waste gas all pass through the turbine of main turbosupercharger; The fresh air that the gas compressor of main turbosupercharger is pressed into is through in the firing chamber that gets into intercooler entering motor; To satisfy the needs of motor cruising, when being badly in need of quickening, can open second valve; With the air of the storage in advance in the air cylinder in intercooler is sent into the firing chamber of motor, to improve the instantaneous output of motor.
Further, for making things convenient for line arrangement and installation, said air intake duct route two-way pipeline constitutes, and wherein one the tunnel communicates with the suction port of main gas compressor, and another road communicates with the suction port of secondary gas compressor.
Further, be convenient control, said first valve, second valve, one-way valve are solenoid valve.
Further, for guaranteeing safety, said air cylinder is provided with a pressure-limit valve, to prevent that gas pressure is excessive in the air cylinder.
Further, free from foreign meter for guaranteeing in the air inlet, the inlet end of said air inlet pipeline is connected with air-strainer.
Turbo charge system of the present invention is simple in structure; Can be when satisfying motor cruising needs; With in part exhaust energy under the high rotating speed operating mode be stored in advance in the air cylinder and quicken to be used for the anxious of motor, thereby improved the acceleration hysteresis phenomenon of turbosupercharger when the slow-speed of revolution.
Description of drawings
Fig. 1, Fig. 2 are embodiment 1 the schematic diagram of turbo charge system under two kinds of operating modes, and arrow is represented gas flow among the figure.
Embodiment
Contrast accompanying drawing below; Through the description to embodiment, the effect of mutual alignment between the shape of specific embodiments of the invention such as related each member, structure, the each several part and annexation, each several part and working principle etc. are done further to specify.
Embodiment 1:
Like Fig. 1, shown in 2, the turbo charge system of present embodiment comprises air-strainer 1, intercooler 2, waste gas inlet 3, waste gas air outlet 4, air inlet pipeline and turbosupercharger.Waste gas inlet 3 is communicated with through main exhaust pipe 5, the bypass exhaust pipe 6 that parallel connection is provided with waste gas air outlet 4, and the inlet end of bypass exhaust pipe 6 is communicated with main exhaust pipe 5 through one first valve 7;
Turbosupercharger comprises main turbosupercharger 8 and secondary turbosupercharger 9; The gas compressor 81 of main turbosupercharger 8 and the gas compressor 91 of secondary turbosupercharger 9 all are arranged in the air inlet pipeline; Air intake duct route two-way pipeline constitutes; Wherein one the tunnel communicate with the suction port of gas compressor 81, another road communicates with the suction port of gas compressor 91, and the inlet end of air inlet pipeline links to each other with air-strainer 1;
The turbine 82 of main turbosupercharger 8 is arranged in the main exhaust pipe 5, and the turbine 92 of secondary turbosupercharger 9 is arranged in the bypass exhaust pipe 6; The air outlet of the gas compressor 81 of main turbosupercharger communicates with the suction port of intercooler 2; The air outlet of the gas compressor 91 of secondary turbosupercharger communicates through the suction port of one-way valve 10 with air cylinder 11, and the air outlet of air cylinder 11 communicates with the suction port of intercooler 2 through second valve 12.
Above-mentioned first valve 7, second valve 12, one-way valve 10 are solenoid valve.
For guaranteeing safety, air cylinder 11 is provided with a pressure-limit valve 13, to prevent that gas pressure is excessive in the air cylinder 11.
As shown in Figure 1; The turbo charge system of present embodiment under the high rotating speed operating mode; First valve 7 is opened; The waste gas part that motor is discharged is through 82 pairs of gas compressors of turbine, 81 actings of main turbosupercharger 8, and another part gets into bypass exhaust pipe 6 through first valve 7, through 92 pairs of gas compressors of turbine, 91 actings of secondary turbosupercharger 9.At this moment, the air part after filtering through air-strainer 1 gets into the gas compressor 81 of main turbosupercharger 8 through pipeline, flows to gas compressor 81 air outlets then, gets into intercooler 2 through pipeline, with the needs of the cruising that satisfies motor; Another part gets into the gas compressor 91 of secondary turbosupercharger through pipeline, through gas compressor 91 compressions, gets in the air cylinder 11 through one-way valve 10 again, and the pressure-limit valve 13 on the air cylinder 11 can prevent that bottle interior gas pressure is excessive.Air cylinder 11 is connected through the suction tude of pipeline with intercooler 1, controls the gas flow that air cylinder 11 interior pressurized air get into intercooler 1 through the aperture of controlling second valve 12, to satisfy the needs that motor quickens.
As shown in Figure 2, the turbo charge system of present embodiment is under slow-speed of revolution operating mode, and first valve 7 is closed; All through 82 pairs of gas compressors of turbine, 81 actings of main turbosupercharger 8, under this state, air filters through air-strainer 1 waste gas that motor is discharged; Get into the gas compressor 81 of main turbosupercharger 8 then through piping; Flowed to the air outlet after gas compressor 81 compression, got into engine chamber through intercooler 1 cooling back again, with the needs of the cruising that satisfies motor; As in case of necessity; For example quicken suddenly or during the big load of low speed; Can open second valve 12; The air of storing in advance in the air cylinder 11 in intercooler 1 is sent into the firing chamber of motor, to improve the instantaneous output of motor, is improved the acceleration hysteresis phenomenon of turbosupercharger when the slow-speed of revolution.
Claims (7)
1. turbo charge system; Comprise waste gas inlet, waste gas air outlet, air inlet pipeline, turbosupercharger and intercooler; The turbine of said turbosupercharger is arranged in the pipeline that connects waste gas inlet and waste gas air outlet; The gas compressor of turbosupercharger is arranged in the air inlet pipeline; The air outlet of said gas compressor communicates with the suction port of said intercooler, it is characterized in that the air outlet of said gas compressor also communicates with the suction port of an air cylinder through an one-way valve, and the air outlet of said air cylinder communicates with the suction port of said intercooler through a pipeline valve.
2. turbo charge system according to claim 1, the quantity that it is characterized in that said turbosupercharger is one.
3. turbo charge system according to claim 1; It is characterized in that said waste gas inlet is communicated with through main exhaust pipe, the bypass exhaust pipe that parallel connection is provided with the waste gas air outlet, the inlet end of said bypass exhaust pipe is communicated with main exhaust pipe through one first valve; Said turbosupercharger comprises main turbosupercharger and secondary turbosupercharger; The gas compressor of said main turbosupercharger and secondary turbosupercharger all is arranged in the air inlet pipeline; The turbine of said main turbosupercharger is arranged in the main exhaust pipe, and the turbine of said secondary turbosupercharger is arranged in the bypass exhaust pipe; The air outlet of the gas compressor of said main turbosupercharger communicates with the suction port of said intercooler; The air outlet of the gas compressor of said secondary turbosupercharger communicates with the suction port of an air cylinder through an one-way valve, and the air outlet of said air cylinder communicates with the suction port of said intercooler through one second valve.
4. turbo charge system according to claim 3 is characterized in that said air intake duct route two-way pipeline constitutes, and wherein one the tunnel communicates with the suction port of main gas compressor, and another road communicates with the suction port of secondary gas compressor.
5. turbo charge system according to claim 3 is characterized in that said first valve, second valve, one-way valve are solenoid valve.
6. according to claim 1 or 2 or 3 or 4 or 5 described turbo charge systems, it is characterized in that said air cylinder is provided with a pressure-limit valve.
7. turbo charge system according to claim 6 is characterized in that the inlet end of said air inlet pipeline is connected with air-strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102948289A CN102359413B (en) | 2011-09-28 | 2011-09-28 | Turbocharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102948289A CN102359413B (en) | 2011-09-28 | 2011-09-28 | Turbocharging system |
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| Publication Number | Publication Date |
|---|---|
| CN102359413A true CN102359413A (en) | 2012-02-22 |
| CN102359413B CN102359413B (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102948289A Active CN102359413B (en) | 2011-09-28 | 2011-09-28 | Turbocharging system |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675512A (en) * | 2014-12-11 | 2015-06-03 | 哈尔滨工程大学 | Sequential supercharged diesel engine switching stabilizing device and control method |
| CN108443009A (en) * | 2015-07-24 | 2018-08-24 | 吴红平 | Grass trimmer with exhaust gas turbocharge auxiliary device |
| CN112031924A (en) * | 2020-08-31 | 2020-12-04 | 东风商用车有限公司 | Multistage mixed supercharging system with rear electric supercharging for engine |
| WO2022057917A1 (en) * | 2020-09-18 | 2022-03-24 | 长城汽车股份有限公司 | Device for preventing surge during release of accelerator, engine turbine system, and vehicle |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3095982B1 (en) * | 2015-05-20 | 2018-12-05 | Volvo Car Corporation | Improved turbocharger system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0270921A (en) * | 1987-12-22 | 1990-03-09 | Takahiko Ito | Supercharger for engine for vehicle |
| DE10239110A1 (en) * | 2002-08-27 | 2004-03-18 | Caterpillar Motoren Gmbh & Co. Kg | Charging system for internal combustion engine has part volume of air produced by additional smaller exhaust gas turbocharger or external compressor drawn in from air receiver, compressed, and fed to compressed air accumulator |
| CN1695001A (en) * | 2002-11-20 | 2005-11-09 | 霍尼韦尔国际公司 | Sequential turbocharging system and method for sequential turbocharging of internal combustion engine |
| JP2008175114A (en) * | 2007-01-17 | 2008-07-31 | Toyota Motor Corp | Supercharger control device of internal combustion engine |
| EP1956213A1 (en) * | 2005-11-23 | 2008-08-13 | Ros Roca Indox Equipos E Ingenieria, S.L. | System for providing supercharging assistance under transitory operating conditions for reciprocating engines supercharged using a turbocharger unit |
| CN102128079A (en) * | 2011-02-22 | 2011-07-20 | 孙敏超 | Injection/drainage air-supply turbocharging system |
-
2011
- 2011-09-28 CN CN2011102948289A patent/CN102359413B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0270921A (en) * | 1987-12-22 | 1990-03-09 | Takahiko Ito | Supercharger for engine for vehicle |
| DE10239110A1 (en) * | 2002-08-27 | 2004-03-18 | Caterpillar Motoren Gmbh & Co. Kg | Charging system for internal combustion engine has part volume of air produced by additional smaller exhaust gas turbocharger or external compressor drawn in from air receiver, compressed, and fed to compressed air accumulator |
| CN1695001A (en) * | 2002-11-20 | 2005-11-09 | 霍尼韦尔国际公司 | Sequential turbocharging system and method for sequential turbocharging of internal combustion engine |
| EP1956213A1 (en) * | 2005-11-23 | 2008-08-13 | Ros Roca Indox Equipos E Ingenieria, S.L. | System for providing supercharging assistance under transitory operating conditions for reciprocating engines supercharged using a turbocharger unit |
| JP2008175114A (en) * | 2007-01-17 | 2008-07-31 | Toyota Motor Corp | Supercharger control device of internal combustion engine |
| CN102128079A (en) * | 2011-02-22 | 2011-07-20 | 孙敏超 | Injection/drainage air-supply turbocharging system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675512A (en) * | 2014-12-11 | 2015-06-03 | 哈尔滨工程大学 | Sequential supercharged diesel engine switching stabilizing device and control method |
| CN108443009A (en) * | 2015-07-24 | 2018-08-24 | 吴红平 | Grass trimmer with exhaust gas turbocharge auxiliary device |
| CN112031924A (en) * | 2020-08-31 | 2020-12-04 | 东风商用车有限公司 | Multistage mixed supercharging system with rear electric supercharging for engine |
| WO2022057917A1 (en) * | 2020-09-18 | 2022-03-24 | 长城汽车股份有限公司 | Device for preventing surge during release of accelerator, engine turbine system, and vehicle |
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| CN102359413B (en) | 2013-03-27 |
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