CN102359413B - Turbocharging system - Google Patents
Turbocharging system Download PDFInfo
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- CN102359413B CN102359413B CN2011102948289A CN201110294828A CN102359413B CN 102359413 B CN102359413 B CN 102359413B CN 2011102948289 A CN2011102948289 A CN 2011102948289A CN 201110294828 A CN201110294828 A CN 201110294828A CN 102359413 B CN102359413 B CN 102359413B
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- turbosupercharger
- air
- valve
- gas
- waste gas
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- 239000007789 gas Substances 0.000 claims abstract description 51
- 239000002912 waste gas Substances 0.000 claims abstract description 27
- 230000001133 acceleration Effects 0.000 abstract description 8
- 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
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, increase enters the air mass flow of 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 larger, therefore in order to make turbosupercharger adapt to this situation, the following two schemes of general employing: 1, utilize variable turbine geometry mechanism to regulate the off-gas flows flow, be the runner control exhaust gas flow that utilizes rotating blade to form that the patent of CN200780005301.1 proposes such as 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, therefore the blade of regulating exhaust gas flow is often blocked by the impurity in the waste gas, loses the ability that it regulates exhaust gas flow; 2, when middle high rotating speed operating mode, the waste gas that motor is discharged exceeds needs, utilizes bypass system that unnecessary waste gas is flowed into exhaust-gas treatment system, and the shortcoming of this scheme is that total efficiency is lower, because unnecessary exhaust energy is directly discharged.
In addition, because turbosupercharger is to do work by waste gas to drive gas compressor compress inlet air air, therefore in the situation that the slow-speed of revolution and suddenly acceleration slowly cause the distinctive acceleration hysteresis phenomenon of turbosupercharger owing to air inflow increases.
Summary of the invention
The objective of the invention is to propose a kind of turbo charge system, can in wider range of flow, 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, the waste gas air outlet, the air inlet pipeline, turbosupercharger and intercooler, the turbine of described 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 described gas compressor communicates with the suction port of described intercooler, key is that the air outlet of described gas compressor also communicates with the suction port of an air cylinder by an one-way valve, and the air outlet of described air cylinder communicates with the suction port of described intercooler by a pipeline valve.
The controlling method of above-mentioned turbo charge system is as follows: under middle high rotating speed operating mode, fresh air that the gas compressor of turbosupercharger an is pressed into part is through in the firing chamber that enters intercooler and enter motor, to satisfy the needs of motor, another part enters in the air cylinder and stores.When be badly in need of accelerating, can the opening conduits valve, with air pre-stored in the air cylinder in intercooler is sent into the firing chamber of motor, to improve the instantaneous output of motor.
The quantity of described turbosupercharger can be one, utilizes same turbosupercharger to finish to the work of 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 as follows: described waste gas inlet is communicated with by main exhaust pipe, the bypass exhaust pipe that is arranged in parallel with the waste gas air outlet, and the inlet end of described bypass exhaust pipe is communicated with main exhaust pipe by first valve; Described turbosupercharger comprises main turbosupercharger and secondary turbosupercharger, the gas compressor of described main turbosupercharger and secondary turbosupercharger all is arranged in the air inlet pipeline, the turbine of described main turbosupercharger is arranged in the main exhaust pipe, and the turbine of described secondary turbosupercharger is arranged in the bypass exhaust pipe; The air outlet of the gas compressor of described main turbosupercharger communicates with the suction port of described intercooler; The air outlet of the gas compressor of described secondary turbosupercharger communicates with the suction port of an air cylinder by an one-way valve, and the air outlet of described air cylinder communicates with the suction port of described intercooler by second valve.
The controlling method of the turbo charge system of two turbosupercharger of above-mentioned employing is as follows: under middle high rotating speed operating mode, need not the air inlet that all waste gas all is used for the turbine of turbosupercharger is done work to increase motor, open the first valve this moment, fresh air that the gas compressor of main like this turbosupercharger is pressed into is through in the firing chamber that enters intercooler and enter motor, the needs that normally travel to satisfy motor, the fresh air that the gas compressor of secondary turbosupercharger is pressed into enters in the air cylinder and stores, simultaneously can also control air quantity in the firing chamber that enters motor in the air cylinder by the aperture of controlling the second valve, to satisfy the needs that accelerate.Under slow-speed of revolution operating mode, close the first valve, make all waste gas all pass through the turbine of main turbosupercharger, fresh air that the gas compressor of main turbosupercharger is pressed into is through in the firing chamber that enters intercooler and enter motor, the needs that normally travel to satisfy motor when being badly in need of accelerating, can be opened the second valve, with the pre-stored air 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, described air intake duct route two-way pipeline consists of, 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, described the first valve, the second valve, one-way valve are solenoid valve.
Further, for guaranteeing safety, described 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 described air inlet pipeline is connected with air-strainer.
Turbo charge system of the present invention is simple in structure, can normally travel in the needs satisfying motor, in air cylinder, accelerate to be used for the anxious of motor the part exhaust energy under the middle high rotating speed operating mode is pre-stored, 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 represents gas flow among the figure.
Embodiment
The below contrasts accompanying drawing, by the description to embodiment, the effect of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and working principle etc. are described in further detail.
Embodiment 1:
As shown in Figure 1, 2, the turbo charge system of the 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 by main exhaust pipe 5, the bypass exhaust pipe 6 that is arranged in parallel with waste gas air outlet 4, and the inlet end of bypass exhaust pipe 6 is communicated with main exhaust pipe 5 by 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 consists of, 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 by 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 by the second valve 12.
Above-mentioned the first valve 7, the second valve 12, one-way valve 10 are solenoid valve.
For guaranteeing safety, air cylinder 11 is provided with a pressure-limit valve 13, and is excessive to prevent air cylinder 11 interior gas pressures.
As shown in Figure 1, the turbo charge system of the present embodiment is under middle high rotating speed operating mode, the 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, another part enters bypass exhaust pipe 6 by the first valve 7, through 92 pairs of gas compressors of turbine, 91 actings of secondary turbosupercharger 9.At this moment, enter the gas compressor 81 of main turbosupercharger 8 by pipeline through the air part after air-strainer 1 filtration, then flow to gas compressor 81 air outlets, enter intercooler 2 by pipeline, to satisfy the needs that normally travel of motor; Another part enters the gas compressor 91 of secondary turbosupercharger by pipeline, through gas compressor 91 compressions, in one-way valve 10 entered air cylinder 11, the pressure-limit valve 13 on the air cylinder 11 can prevent that bottle interior gas pressure is excessive again.Air cylinder 11 is connected by the suction tude of pipeline with intercooler 1, controls the gas flow that air cylinder 11 interior pressurized air enter intercooler 1, the needs that accelerate to satisfy motor by the aperture of controlling the second valve 12.
As shown in Figure 2, the turbo charge system of the present embodiment is under slow-speed of revolution operating mode, the 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, then enter the gas compressor 81 of main turbosupercharger 8 through piping, flowed to the air outlet after gas compressor 81 compressions, again through entering engine chamber after intercooler 1 cooling, to satisfy the needs that normally travel of motor; When being necessary, for example accelerate suddenly or during the large load of low speed, can open the second valve 12, with the pre-stored air in the air cylinder 11 in intercooler 1 is sent into the firing chamber of motor, to improve the instantaneous output of motor, improve the acceleration hysteresis phenomenon of turbosupercharger when the slow-speed of revolution.
Claims (5)
1. turbo charge system, comprise waste gas inlet, waste gas air outlet, air inlet pipeline, turbosupercharger and intercooler, described waste gas inlet is communicated with by main exhaust pipe, the bypass exhaust pipe that is arranged in parallel with the waste gas air outlet, and the inlet end of described bypass exhaust pipe is communicated with main exhaust pipe by first valve; Described turbosupercharger comprises main turbosupercharger and secondary turbosupercharger, the gas compressor of described main turbosupercharger and secondary turbosupercharger all is arranged in the air inlet pipeline, the turbine of described main turbosupercharger is arranged in the main exhaust pipe, and the turbine of described secondary turbosupercharger is arranged in the bypass exhaust pipe; The air outlet of the gas compressor of described main turbosupercharger communicates with the suction port of described intercooler; The air outlet of the gas compressor of described secondary turbosupercharger communicates with the suction port of an air cylinder by an one-way valve, and the air outlet of described air cylinder communicates with the suction port of described intercooler by second valve.
2. turbo charge system according to claim 1 is characterized in that described air intake duct route two-way pipeline consists of, 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.
3. turbo charge system according to claim 1 is characterized in that described the first valve, the second valve, one-way valve are solenoid valve.
4. according to claim 1 and 2 or 3 described turbo charge systems, it is characterized in that described air cylinder is provided with a pressure-limit valve.
5. turbo charge system according to claim 4 is characterized in that the inlet end of described 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102359413A CN102359413A (en) | 2012-02-22 |
| CN102359413B true 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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| CN (1) | CN102359413B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168158A (en) * | 2015-05-20 | 2016-11-30 | 沃尔沃汽车公司 | The turbo-charger sytem improved |
Families Citing this family (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 |
| CN114198225A (en) * | 2020-09-18 | 2022-03-18 | 长城汽车股份有限公司 | Device for preventing surge of throttle valve, engine turbine system and vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0270921A (en) * | 1987-12-22 | 1990-03-09 | Takahiko Ito | Supercharger for engine for vehicle |
| DE10239110B4 (en) * | 2002-08-27 | 2004-08-19 | Caterpillar Motoren Gmbh & Co. Kg | Charging system for an internal combustion engine |
| DE60211384T2 (en) * | 2002-11-20 | 2007-03-29 | Honeywell International Inc. | TURBO SYSTEM FOR INTERNAL COMBUSTION ENGINE AND CORRESPONDING METHOD |
| ES2275438B1 (en) * | 2005-11-23 | 2008-05-01 | Ros Roca Indox Equipos E Ingenieria, S.L | SUPPLY ASSISTANCE SYSTEM IN TRANSITIONAL OPERATING CONDITIONS FOR ALTERNATIVE ENGINES ENGAGED BY TURBOCOMPRESOR GROUP. |
| JP2008175114A (en) * | 2007-01-17 | 2008-07-31 | Toyota Motor Corp | Supercharger control device of internal combustion engine |
| CN102128079B (en) * | 2011-02-22 | 2017-01-25 | 孙敏超 | Injection/drainage air-supply turbocharging system |
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2011
- 2011-09-28 CN CN2011102948289A patent/CN102359413B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168158A (en) * | 2015-05-20 | 2016-11-30 | 沃尔沃汽车公司 | The turbo-charger sytem improved |
| CN106168158B (en) * | 2015-05-20 | 2020-04-28 | 沃尔沃汽车公司 | Improved turbocharger system |
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| Publication number | Publication date |
|---|---|
| CN102359413A (en) | 2012-02-22 |
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