CN204200320U - A kind of two-stage power turbine system - Google Patents
A kind of two-stage power turbine system Download PDFInfo
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- CN204200320U CN204200320U CN201420571920.4U CN201420571920U CN204200320U CN 204200320 U CN204200320 U CN 204200320U CN 201420571920 U CN201420571920 U CN 201420571920U CN 204200320 U CN204200320 U CN 204200320U
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- turbine
- power turbine
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- high voltage
- powered
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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
A kind of two-stage power turbine system, comprise internal combustion engine main body (1), intake manifold (11), discharge manifold (2), turbosupercharger, low-voltage-powered turbine (8), high voltage power turbine (15) and mechanical transmission (6), turbosupercharger comprises charging turbine (7) and gas compressor (9), the suction port of charging turbine (7) is connected with discharge manifold (2), the air outlet of charging turbine (7) is connected with the suction port of low-voltage-powered turbine (8), high voltage power turbine (15) is coaxially connected with low-voltage-powered turbine (8), the suction port of high voltage power turbine (15) is connected with discharge manifold (2) by bypass line (3), the air outlet of high voltage power turbine (15) and the air outlet of described low-voltage-powered turbine (8) are after pipeline is in parallel, be connected with exhaust manifold (14) again.Structure is simple, improves the internal combustion engine waste gas energy recovery rate, effectively improves output power of internal combustion engine.
Description
Technical field
The utility model relates to a kind of power turbine system, relates to a kind of two-stage power turbine system in particular, belongs to internal combustion engine waste gas energy recovery technology field.
Background technique
At present, in technical field of internal combustion engines, the energy for combustion engine powered output only accounts for 35% ~ 45% of oil inflame total amount of heat, and exhaust heat accounts for 30% ~ 40%; Therefore recovery internal combustion engine waste gas energy as much as possible, can increasing combustion engine output work, improve internal-combustion engine the thermal efficiency, improve oil consumption, energy-conserving and environment-protective.
Power turbine system is the important technology reclaiming internal combustion engine waste gas energy, improve the efficiency of internal combustion engine, realize combustion engine energy-saving reduction of discharging.In existing power turbine system, engine exhaust gas is discharged to power turbine through turbosupercharger, then power turbine work is driven, specifically see Fig. 1, comprise internal combustion engine main body 1, intake manifold 11, discharge manifold 2, turbosupercharger, low-voltage-powered turbine 8 and mechanical transmission 6, turbosupercharger comprises charging turbine 7 and gas compressor 9; The suction port of charging turbine 7 is connected with discharge manifold 2, the air outlet of charging turbine 7 is connected with the suction port of low-voltage-powered turbine 8, the air outlet of low-voltage-powered turbine 8 is connected with exhaust manifold 14, and low-voltage-powered turbine 8 is connected with mechanical transmission 6.During work, engine exhaust gas is discharged to the charging turbine 7 of turbosupercharger through discharge manifold 2, and charging turbine 7 drives gas compressor 9 to work, and improves power of IC engine density; Low-voltage-powered turbine 8 is discharged to by the engine exhaust gas of charging turbine 7, drive low-voltage-powered turbine 8 to work, be converted into mechanical energy by low-voltage-powered turbine 8, then pass on I. C. engine crankshaft by mechanical transmission 6, thus improve output power of internal combustion engine, achieving waste heat of internal combustion engine can reclaim.But engine exhaust gas is after charging turbine 7 in this power turbine system, and engine exhaust gas pressure obviously reduces, therefore for driving the energy of low-voltage-powered turbine 8 to greatly reduce, cause the internal combustion engine waste gas energy recovery rate low.
Summary of the invention
The purpose of this utility model is, for problems such as the existing power turbine system capacity recovery rate are low, to provide a kind of two-stage power turbine system.
For achieving the above object, technical solution of the present utility model is: a kind of two-stage power turbine system, comprise internal combustion engine main body, intake manifold, discharge manifold, turbosupercharger, low-voltage-powered turbine and mechanical transmission, described turbosupercharger comprises charging turbine and gas compressor, the suction port of described charging turbine is connected with discharge manifold, the air outlet of charging turbine is connected with the suction port of low-voltage-powered turbine, also include high voltage power turbine, described high voltage power turbine is coaxially connected with low-voltage-powered turbine, the suction port of high voltage power turbine is connected with discharge manifold by bypass line, the air outlet of high voltage power turbine and the air outlet of described low-voltage-powered turbine are after pipeline is in parallel, be connected with exhaust manifold again.
Described bypass line is provided with bypass valve.
Described bypass valve is automatically controlled butterfly valve, and described intake manifold is provided with pressure transducer, and control end and the pressure transducer of described bypass valve are electrically connected with Engine ECU respectively.
Described pressure transducer is semiconductor piezo-resistive pressure sensor.
Described bypass valve is pneumatic diaphragm spring valve, and the control end of described pneumatic diaphragm spring valve drives pipeline to be connected with intake manifold by bypass valve.
compared with prior art, the beneficial effects of the utility model are:
Improve the internal combustion engine waste gas energy recovery rate, effectively improve output power of internal combustion engine.The utility model comprises internal combustion engine main body, intake manifold, discharge manifold, turbosupercharger, low-voltage-powered turbine, mechanical transmission and high voltage power turbine, turbosupercharger comprises charging turbine and gas compressor, the air outlet of charging turbine is connected with the suction port of low-voltage-powered turbine, high voltage power turbine is coaxially connected with low-voltage-powered turbine, and the suction port of high voltage power turbine is connected with discharge manifold by bypass line, therefore by bypass line, an internal combustion engine high pressure exhaust gas bypass part is arrived high voltage power turbine, internal combustion engine high pressure exhaust energy Direct driver high voltage power turbine, all the other waste gas are still discharged to low-voltage-powered turbine through charging turbine, drive low-voltage-powered turbine, compared with existing power turbine system, the utility model can use 2 less power turbines, by driving high voltage power turbine and low-voltage-powered turbine joint work, improve the efficiency of this power turbine system, make the internal combustion engine waste gas energy recovery rate high, make use of exhaust energy better, substantially increase output power of internal combustion engine.
Accompanying drawing explanation
Fig. 1 is existing power turbine system architecture schematic diagram.
Fig. 2 is that in the utility model, bypass valve is automatically controlled butterfly valve structure schematic diagram.
Fig. 3 is that in the utility model, bypass valve is pneumatic diaphragm spring valve structural representation.
In figure, internal combustion engine main body 1, gas exhaust manifold 2, bypass line 3, Engine ECU 4, bypass valve 5, mechanical transmission 6, charging turbine 7, low-voltage-powered turbine 8, gas compressor 9, intercooler 10, intake manifold 11, pressure transducer 12, bypass valve drives pipeline 13, exhaust manifold 14, high voltage power turbine 15.
Embodiment
Illustrate below in conjunction with accompanying drawing and with embodiment, the utility model to be described in further detail.
See Fig. 2 and Fig. 3, a kind of two-stage power turbine system, comprise internal combustion engine main body 1, intake manifold 11, discharge manifold 2, turbosupercharger, low-voltage-powered turbine 8, high voltage power turbine 15 and mechanical transmission 6, described turbosupercharger comprises charging turbine 7 and gas compressor 9.The suction port of described charging turbine 7 is connected with discharge manifold 2, and the air outlet of charging turbine 7 is connected with the suction port of low-voltage-powered turbine 8, and the air outlet of low-voltage-powered turbine 8 is connected with exhaust manifold 14.Described high voltage power turbine 15 is coaxially connected with low-voltage-powered turbine 8, and the gear of high voltage power turbine 15 is connected with mechanical transmission 6; The suction port of high voltage power turbine 15 is connected with discharge manifold 2 by bypass line 3, the air outlet of high voltage power turbine 15 and the air outlet of described low-voltage-powered turbine 8 are after pipeline is in parallel, be connected with exhaust manifold 14 again, namely make bypass line 3 be arranged on turbosupercharger upstream, the high pressure exhaust gas via bypass line 3 drives high voltage power turbine 15 to work.During work, a part of high compression internal combustion engine waste gas that internal combustion engine main body 1 is discharged is discharged in charging turbine 7 through gas exhaust manifold 2, charging turbine 7 drives gas compressor 9 to work, gas compressor 9 inhale fresh air pressurized gas, thus improve power of IC engine density, air enters intake manifold 11 after intercooler 10 is lowered the temperature, then enters internal combustion engine main body 1 participation burning; Meanwhile, this part engine exhaust gas enters low-voltage-powered turbine 8 through charging turbine 7, drives low-voltage-powered turbine 8 to work, and waste gas warp after low-voltage-powered turbine 8 is discharged by exhaust manifold 14.Another part high pressure exhaust gas that internal combustion engine main body 1 is discharged directly is discharged to high voltage power turbine 15 through gas exhaust manifold 2 by bypass line 3, high voltage power turbine 15 is driven to work, because high voltage power turbine 15 is coaxially connected with low-voltage-powered turbine 8, so after exhaust energy is converted into mechanical energy by high voltage power turbine 15 and low-voltage-powered turbine 8 simultaneously, pass on I. C. engine crankshaft by mechanical transmission 6, realize low-voltage-powered turbine 8 and high voltage power turbine 15 joint work, improve waste heat of internal combustion engine energy recovery utilization rate, improve output power of internal combustion engine.
See Fig. 2, described bypass line 3 is provided with bypass valve 5; Concrete, described bypass valve 5 is automatically controlled butterfly valve, and described intake manifold 11 is provided with pressure transducer 12, and control end and the pressure transducer 12 of described bypass valve 5 are electrically connected with Engine ECU 4 respectively.Described pressure transducer 12 is semiconductor piezo-resistive pressure sensor; Pressure transducer 12 goes out the change of suction pressure according to the size detection of internal-combustion engine rotational speed and load, then converts signal voltage to and delivers to Engine ECU 4.During work, suction pressure is fed back to Engine ECU 4 by pressure transducer 12, when suction pressure do not reach internal-combustion engine demand is set time, bypass valve 5 on bypass line 3 is in closed condition, engine exhaust gas is directly discharged to low-voltage-powered turbine 8 through charging turbine 7, low-voltage-powered turbine 8 is driven to work, because high voltage power turbine 15 is coaxially connected with low-voltage-powered turbine 8, and then drive high voltage power turbine 15 to work, then pass on I. C. engine crankshaft by mechanical transmission 6, achieving waste heat of internal combustion engine can reclaim, when suction pressure reach internal-combustion engine demand is set time, internal-combustion engine part high pressure exhaust gas enters low-voltage-powered turbine 8 through charging turbine 7, low-voltage-powered turbine 8 is driven to work, simultaneously, the bypass valve 5 that Engine ECU 4 sends on electrical signal control bypass line 3 is opened, internal-combustion engine another part high pressure exhaust gas is discharged to high voltage power turbine 15 through bypass line 3, high voltage power turbine 15 is driven to work, realize low-voltage-powered turbine 8 and high voltage power turbine 15 joint work, pass on I. C. engine crankshaft by mechanical transmission 6 after exhaust energy is converted into mechanical energy by low-voltage-powered turbine 8 and high voltage power turbine 15, thus improve output power of internal combustion engine, achieve waste heat of internal combustion engine can reclaim.
See Fig. 3, described bypass line 3 is provided with bypass valve 5; Concrete, described bypass valve 5 is pneumatic diaphragm spring valve, and the control end of described pneumatic diaphragm spring valve drives pipeline 13 to be connected with intake manifold 11 by bypass valve, and described pneumatic diaphragm spring valve is driven by inlet air pressure.During work, when inlet air pressure do not reach internal-combustion engine pressure is set time, pneumatic diaphragm spring valve on bypass line 3 is in closed condition, engine exhaust gas is directly discharged to low-voltage-powered turbine 8 through charging turbine 7, drive low-voltage-powered turbine 8 to work, because high voltage power turbine 15 is coaxially connected with low-voltage-powered turbine 8, and then drive high voltage power turbine 15 to work, then pass on I. C. engine crankshaft by mechanical transmission 6, achieving waste heat of internal combustion engine can reclaim, when inlet air pressure reach internal-combustion engine pressure is set time, internal-combustion engine part high pressure exhaust gas enters low-voltage-powered turbine 8 through charging turbine 7, low-voltage-powered turbine 8 is driven to work, simultaneously, the pneumatic diaphragm spring valve that gas drives pipeline 13 to control on bypass line 3 by bypass valve is opened, internal-combustion engine another part high pressure exhaust gas is discharged to high voltage power turbine 15 through bypass line 3, high voltage power turbine 15 is driven to work, realize low-voltage-powered turbine 8 and high voltage power turbine 15 joint work, pass on I. C. engine crankshaft by mechanical transmission 6 after exhaust energy is converted into mechanical energy by low-voltage-powered turbine 8 and high voltage power turbine 15, achieve waste heat of internal combustion engine can reclaim, improve waste heat of internal combustion engine energy recovery utilization rate, and then improve output power of internal combustion engine.
The utility model adopts two-stage power turbine system, internal combustion engine high pressure exhaust gas driven high voltage power turbine 15 is utilized by bypass line 3, realize low-voltage-powered turbine 8 and high voltage power turbine 15 joint work, effectively improve the efficiency of power turbine system, improve the internal combustion engine waste gas energy recovery rate, realize real efficiency utilization internal combustion engine waste gas energy.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, said structure all should be considered as belonging to protection domain of the present utility model.
Claims (5)
1. a two-stage power turbine system, comprise internal combustion engine main body (1), intake manifold (11), discharge manifold (2), turbosupercharger, low-voltage-powered turbine (8) and mechanical transmission (6), described turbosupercharger comprises charging turbine (7) and gas compressor (9), the suction port of described charging turbine (7) is connected with discharge manifold (2), the air outlet of charging turbine (7) is connected with the suction port of low-voltage-powered turbine (8), it is characterized in that: also include high voltage power turbine (15), described high voltage power turbine (15) is coaxially connected with low-voltage-powered turbine (8), the suction port of high voltage power turbine (15) is connected with discharge manifold (2) by bypass line (3), the air outlet of high voltage power turbine (15) and the air outlet of described low-voltage-powered turbine (8) are after pipeline is in parallel, be connected with exhaust manifold (14) again.
2. a kind of two-stage power turbine system according to claim 1, is characterized in that: described bypass line (3) is provided with bypass valve (5).
3. a kind of two-stage power turbine system according to claim 2, it is characterized in that: described bypass valve (5) is automatically controlled butterfly valve, described intake manifold (11) is provided with pressure transducer (12), and control end and the pressure transducer (12) of described bypass valve (5) are electrically connected with Engine ECU (4) respectively.
4. a kind of two-stage power turbine system according to claim 3, is characterized in that: described pressure transducer (12) is semiconductor piezo-resistive pressure sensor.
5. a kind of two-stage power turbine system according to claim 2, it is characterized in that: described bypass valve (5) is pneumatic diaphragm spring valve, the control end of described pneumatic diaphragm spring valve drives pipeline (13) to be connected with intake manifold (11) by bypass valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420571920.4U CN204200320U (en) | 2014-09-30 | 2014-09-30 | A kind of two-stage power turbine system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420571920.4U CN204200320U (en) | 2014-09-30 | 2014-09-30 | A kind of two-stage power turbine system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204200320U true CN204200320U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420571920.4U Withdrawn - After Issue CN204200320U (en) | 2014-09-30 | 2014-09-30 | A kind of two-stage power turbine system |
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| Country | Link |
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| CN (1) | CN204200320U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329148A (en) * | 2014-09-30 | 2015-02-04 | 东风商用车有限公司 | Two-level power turbine system |
| CN105464769A (en) * | 2015-12-30 | 2016-04-06 | 东风商用车有限公司 | Double-channel power turbine system and control method thereof |
-
2014
- 2014-09-30 CN CN201420571920.4U patent/CN204200320U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329148A (en) * | 2014-09-30 | 2015-02-04 | 东风商用车有限公司 | Two-level power turbine system |
| CN105464769A (en) * | 2015-12-30 | 2016-04-06 | 东风商用车有限公司 | Double-channel power turbine system and control method thereof |
| US20170191407A1 (en) * | 2015-12-30 | 2017-07-06 | Dongfeng Commercial Vehicle Company Limited | Double channel power turbine system and control method thereof |
| CN105464769B (en) * | 2015-12-30 | 2017-11-17 | 东风商用车有限公司 | A kind of dual channel power turbine system and its control method |
| US10202893B2 (en) * | 2015-12-30 | 2019-02-12 | Dongfeng Commercial Vehicle Company Limited | Double channel power turbine system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150311 Effective date of abandoning: 20171114 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150311 Effective date of abandoning: 20171114 |