CN203347919U - Differential-pressure-type single-stage and double-stage gas circuit parallel-connection system - Google Patents
Differential-pressure-type single-stage and double-stage gas circuit parallel-connection system Download PDFInfo
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- CN203347919U CN203347919U CN2013203881825U CN201320388182U CN203347919U CN 203347919 U CN203347919 U CN 203347919U CN 2013203881825 U CN2013203881825 U CN 2013203881825U CN 201320388182 U CN201320388182 U CN 201320388182U CN 203347919 U CN203347919 U CN 203347919U
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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 utility model relates to a differential-pressure-type single-stage and double-stage gas circuit parallel-connection system, and belongs to the field of turbocharger systems. The system comprises a gas compressor, an engine, a turbine, connection tubes, through tubes, a volume cavity and a moving body, wherein the moving body is installed in the volume cavity and in contact with the inner wall face of the volume cavity in a sealed mode, the first through tube, the second through tube and the third through tube all penetrate through the upper wall face and the lower wall face of the moving body, the two ends of the second connection tube are communicated with an air exhaust tube of the engine and the right wall face of the volume cavity respectively, and the two ends of the fifth connection tube are communicated with an air inlet tube of the engine and the left wall face of the volume cavity respectively. When pressure in the air exhaust tube of the engine is high, the moving body moves leftwards, and two superchargers work in a parallel-connection mode; when pressure in the air exhaust tube of the engine is low, the moving body moves rightwards and only the first supercharger works. The system is reasonable in design, simple in control strategy and suitable for turbocharger systems with cylinders of different quantities.
Description
Technical field
The utility model relates to a kind of differential single twin-stage gas circuit parallel system, belongs to the turbo charge system field; Realize differential single twin-stage gas circuit parallel system of turbosupercharger series operation.
Background technique
In the face of increasingly severe environment and energy crisis, improve specific power, reduce oil consumption and reduce the main direction that discharge becomes internal combustion engine development.The effective means of strengthening internal-combustion engine is not only in turbosupercharging, and realizes the purpose that reduces oil consumption and reduce discharge simultaneously, has become indispensable technological means of modern ic machine technology.But, be subject to the impact of turbocharger air compressor flow characteristic, for the single pressing system in traditional single whirlpool, gas compressor can only, in narrow high efficient area work, limit the popularization on a large scale of turbocharging technology.If motor need to move the high pressure ratio operating mode, single stage turbocharger system also is difficult to meet the demands, and often needs to realize by complicated two-step supercharging system.
Through the retrieval to the prior art document, find, Chinese Patent Application No. 200510025774.0, patent name: adjustable high boost system with structure of series-parallel connection of turbochargers in different size, this patented technology is in specific embodiments, switch by a plurality of control valves is controlled, and can realize that the series parallel connection of two pressurized machines is adjustable; But this invention is owing to using a plurality of control valves, complicated structure.
Summary of the invention
The utility model, for above-mentioned the deficiencies in the prior art, provides a kind of differential single twin-stage gas circuit parallel system, can realize the single-stage work of a pressurized machine and the parallel operation of two pressurized machines.
The utility model is achieved through the following technical solutions, a kind of differential single twin-stage gas circuit parallel system, comprise the first compressor air inlet machine pipe, the first gas compressor, engine air inlet tube, motor, engine exhaust pipe, the first turbine, the first turbine exhaust pipe and the first coupling shaft, the air inlet/outlet of the first gas compressor respectively with the air outlet of the first compressor air inlet machine pipe, the suction port of engine air inlet tube is connected, the air inlet/outlet of motor respectively with the air outlet of engine air inlet tube, the suction port of engine exhaust pipe is connected, the air inlet/outlet of the first turbine respectively with the air outlet of engine exhaust pipe, the suction port of the first turbine exhaust pipe is connected, the first gas compressor coaxially is connected by the first coupling shaft with the first turbine, also comprise that the first connecting tube, the second connecting tube, the 3rd connecting tube, the 4th connecting tube, first run through pipe, second and run through pipe, second and run through pipe, cavity volume, moving body, the 5th connecting tube, the second compressor air inlet machine pipe, the second gas compressor, the second gas compressor outlet pipe, the second gas inlet casing, the second turbine, the second turbine exhaust pipe and the second coupling shaft, the air outlet of the suction port of the suction port of described the first compressor air inlet machine pipe, the first connecting tube and the first turbine exhaust pipe is communicated with cavity volume through the upper-end surface of cavity volume respectively, the suction port of the suction port of the air outlet of the air outlet of described the 3rd connecting tube, the second gas compressor outlet pipe, the 4th connecting tube and the second gas inlet casing is communicated with cavity volume through the lower end surface of cavity volume respectively, described moving body is arranged on its upper and lower end face in cavity volume and contacts and can move left and right in cavity volume with the internal face sealing of cavity volume, described first runs through pipe, second runs through pipe and the 3rd runs through the two ends up and down that Guan Jun runs through moving body, the inlet, outlet of described the second gas compressor is connected with the air outlet of the second compressor air inlet machine pipe, the suction port of the second gas compressor outlet pipe respectively, the inlet, outlet of described the second turbine is connected with the air outlet of the second gas inlet casing, the suction port of the second turbine exhaust pipe respectively, described the second gas compressor coaxially is connected by the second coupling shaft with the second turbine, the air outlet of described the first connecting tube is connected with engine air inlet tube, and an end of described the second connecting tube is communicated with engine exhaust pipe, the other end is connected with cavity volume from the right-hand member of cavity volume, one end of described the 5th connecting tube is communicated with engine air inlet tube, the other end is connected with cavity volume from the left end of cavity volume.
In working procedure of the present utility model, moving body moves left and right in cavity volume, when the engine exhaust overpressure higher, when the engine charge overpressure is low, moving body is moved to the left, the first compressor air inlet machine pipe, first runs through pipe, the 3rd connecting tube is connected, the first connecting tube, second runs through pipe, the second gas compressor outlet pipe is connected, the first turbine exhaust pipe, the 3rd runs through pipe, the 4th connecting tube is connected, the second connecting tube, cavity volume, the second gas inlet casing is connected, the first gas compressor, the first turbine, the second gas compressor, the second turbine is worked simultaneously, two pressurized machine parallel connections.When the engine exhaust overpressure is lower, the engine charge overpressure is when higher, moving body moves right, the first compressor air inlet machine pipe, first runs through pipe, the 3rd connecting tube is connected, the first connecting tube, the second gas compressor outlet pipe cut off mutually, the first turbine exhaust pipe, the 3rd runs through pipe, the 4th connecting tube is connected, the second connecting tube, the second gas inlet casing cut off mutually, and only the first gas compressor and the first turbine are worked simultaneously.
Compared with prior art, the utlity model has following beneficial effect is: the utility model is reasonable in design, control strategy is simple, is applicable to the turbo charge system of various cylinder number, can realize the switching of single pressurizator mode of operation and two pressurized machine parallel operation patterns.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of A-A section in Fig. 1.
Wherein: 1, the first compressor air inlet machine pipe, 2, the first gas compressor, 3, engine air inlet tube, 4, motor, 5, engine exhaust pipe, 6, the first turbine, 7, the first turbine exhaust pipe, 8, the first coupling shaft, 9, the first connecting tube, 10, the second connecting tube, 11, the 3rd connecting tube, 12, the 4th connecting tube, 13, first runs through pipe, 14, second runs through pipe, 15, the 3rd runs through pipe, 16, cavity volume, 17, moving body, 18, the 5th connecting tube, 19, the second compressor air inlet machine pipe, 20, the second gas compressor, 21, the second gas compressor outlet pipe, 22, the second gas inlet casing, 23, the second turbine, 24, the second turbine exhaust pipe, 25, the second coupling shaft.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, the present embodiment be take technical solutions of the utility model as prerequisite, has provided detailed mode of execution and concrete operating process.
embodiment
As depicted in figs. 1 and 2, the utility model comprises the first compressor air inlet machine pipe 1, the first gas compressor 2, engine air inlet tube 3, motor 4, engine exhaust pipe 5, the first turbine 6, the first turbine exhaust pipe 7, the first coupling shaft 8, the first connecting tube 9, the second connecting tube 10, the 3rd connecting tube 11, the 4th connecting tube 12, first runs through pipe 13, second runs through pipe 14, the 3rd runs through pipe 15, cavity volume 16, moving body 17, the 5th connecting tube 18, the second compressor air inlet machine pipe 19, the second gas compressor 20, the second gas compressor outlet pipe 21, the second gas inlet casing 22, the second turbine 23, the air inlet/outlet of the second turbine exhaust pipe 24 and the second coupling shaft 25, the first gas compressors 2 respectively with the air outlet of the first compressor air inlet machine pipe 1, the suction port of engine air inlet tube 3 is connected, the air inlet/outlet of motor 4 respectively with the air outlet of engine air inlet tube 3, the suction port of engine exhaust pipe 5 is connected, the air inlet/outlet of the first turbine 6 respectively with the air outlet of engine exhaust pipe 5, the suction port of the first turbine exhaust pipe 7 is connected, and the first gas compressor 2 coaxially is connected by the first coupling shaft 8 with the first turbine 6, the suction port of the first compressor air inlet machine pipe 1, the suction port of the first connecting tube 9, the air outlet of the first turbine exhaust pipe 7 all is communicated with cavity volume 16 from the upper-end surface of cavity volume 16, the air outlet of the 3rd connecting tube 11, the air outlet of the second gas compressor outlet pipe 21, the suction port of the 4th connecting tube 12, the suction port of the second gas inlet casing 22 all is communicated with cavity volume 16 from the lower end surface of cavity volume 16, and moving body 17 is arranged in cavity volume 16 and with the internal face sealing of cavity volume 16 and contacts, and first runs through pipe 13, second runs through pipe 14, the 3rd runs through the both ends of the surface up and down that pipe 15 all runs through moving body 17, the air inlet/outlet of the second gas compressor 20 respectively with the air outlet of the second compressor air inlet machine pipe 19, the suction port of the second gas compressor outlet pipe 21 is connected, the air inlet/outlet of the second turbine 23 respectively with the air outlet of the second gas inlet casing 22, the suction port of the second turbine exhaust pipe 24 is connected, and the second gas compressor 20 coaxially is connected by the second coupling shaft 25 with the second turbine 23, and the air outlet of the first connecting tube 9 is connected with engine air inlet tube 3, the two ends of the second connecting tube 10 respectively with engine exhaust pipe 5, from the right side of cavity volume 16, with cavity volume 16, be connected, the two ends of the 5th connecting tube respectively with engine air inlet tube, from the left side of cavity volume, with cavity volume 16, be connected, the first compressor air inlet machine pipe 1, the first turbine exhaust pipe 7, the first connecting tube 9, the 3rd connecting tube 11, the 4th connecting tube 12, second runs through pipe 14, the second gas compressor outlet pipe 21, the second gas inlet casing 22 is pipe and internal diameter equates, first runs through pipe 13, the 3rd runs through pipe 15 is pipe and internal diameter and equates, the first internal diameter that runs through pipe 13 is greater than the second internal diameter that runs through pipe 14.
In working procedure of the present utility model, moving body 17 can move left and right in cavity volume 16.When engine exhaust pipe 5 internal pressures higher, when engine air inlet tube 3 internal pressures are low, moving body 17 is moved to the left, the first compressor air inlet machine pipe 1, first runs through pipe 13, the 3rd connecting tube 11 is connected, the first connecting tube 9, second runs through pipe 14, the second gas compressor outlet pipe 21 is connected, the first turbine exhaust pipe 7, the 3rd runs through pipe 15, the 4th connecting tube 12 is connected, the second connecting tube 10, cavity volume 16, the second gas inlet casing 22 is connected, the first gas compressor 2, the first turbine 6, the second gas compressor 20, the second turbine 23 is worked simultaneously, two pressurized machine parallel connections.When engine exhaust pipe 5 internal pressures are lower, engine air inlet tube 3 internal pressures are when higher, moving body 17 moves right, the first compressor air inlet machine pipe 1, first runs through pipe the 13, the 3rd connecting tube 11 and is connected, the first connecting tube 9, the second gas compressor outlet pipe 21 cut off mutually, the first turbine exhaust pipe the 7, the 3rd runs through pipe the 15, the 4th connecting tube 12 and is connected, the second connecting tube 10, the second gas inlet casing 22 cut off mutually, and only the first gas compressor 2 and the first turbine 6 are worked simultaneously.
Claims (2)
1. a differential single twin-stage gas circuit parallel system, comprise the first compressor air inlet machine pipe (1), the first gas compressor (2), engine air inlet tube (3), motor (4), engine exhaust pipe (5), the first turbine (6), the first turbine exhaust pipe (7) and the first coupling shaft (8), the air inlet/outlet of the first gas compressor (2) respectively with the air outlet of the first compressor air inlet machine pipe (1), the suction port of engine air inlet tube (3) is connected, the air inlet/outlet of motor (4) respectively with the air outlet of engine air inlet tube (3), the suction port of engine exhaust pipe (5) is connected, the air inlet/outlet of the first turbine (6) respectively with the air outlet of engine exhaust pipe (5), the suction port of the first turbine exhaust pipe (7) is connected, the first gas compressor (2) with the first turbine (6) by coaxial being connected of the first coupling shaft (8), it is characterized in that: also comprise the first connecting tube (9), the second connecting tube (10), the 3rd connecting tube (11), the 4th connecting tube (12), first runs through pipe (13), second runs through pipe (14), the 3rd runs through pipe (15), cavity volume (16), moving body (17), the 5th connecting tube (18), the second compressor air inlet machine pipe (19), the second gas compressor (20), the second gas compressor outlet pipe (21), the second gas inlet casing (22), the second turbine (23), the second turbine exhaust pipe (24) and the second coupling shaft (25), the air outlet of the suction port of the suction port of described the first compressor air inlet machine pipe (1), the first connecting tube (9) and the first turbine exhaust pipe (7) is communicated with cavity volume (16) through the upper-end surface of cavity volume (16) respectively, the suction port of the suction port of the air outlet of the air outlet of described the 3rd connecting tube (11), the second gas compressor outlet pipe (21), the 4th connecting tube (12) and the second gas inlet casing (22) is communicated with cavity volume (16) through the lower end surface of cavity volume (16) respectively, described moving body (17) is arranged on its upper and lower end face in cavity volume (16) and contacts and can move left and right in cavity volume with the internal face sealing of cavity volume (16), described first runs through pipe (13), second runs through pipe (14) and the 3rd and runs through the two ends up and down that pipe (15) all runs through moving body (17), the inlet, outlet of described the second gas compressor (20) is connected with the air outlet of the second compressor air inlet machine pipe (19), the suction port of the second gas compressor outlet pipe (21) respectively, the inlet, outlet of described the second turbine (23) is connected with the air outlet of the second gas inlet casing (22), the suction port of the second turbine exhaust pipe (24) respectively, described the second gas compressor (20) with the second turbine (23) by coaxial connection of the second coupling shaft (25), the air outlet of described the first connecting tube (9) is connected with engine air inlet tube (3), and an end of described the second connecting tube (10) is communicated with engine exhaust pipe (5), the other end is connected with cavity volume (16) from the right-hand member of cavity volume (16), one end of described the 5th connecting tube (18) is communicated with engine air inlet tube (3), the other end is connected with cavity volume (16) from the left end of cavity volume (16).
2. differential single twin-stage gas circuit parallel system according to claim 1 is characterized in that: described the first compressor air inlet machine pipe (1), the first turbine exhaust pipe (7), the first connecting tube (9), the 3rd connecting tube (11), the 4th connecting tube (12), second run through pipe (14), the second gas compressor outlet pipe (21), the second gas inlet casing (22) is pipe and internal diameter equates; Described first runs through pipe (13), the 3rd runs through pipe (15) and is pipe and internal diameter and equates, and the first internal diameter that runs through pipe (13) is greater than the second internal diameter that runs through pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203881825U CN203347919U (en) | 2013-06-28 | 2013-06-28 | Differential-pressure-type single-stage and double-stage gas circuit parallel-connection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203881825U CN203347919U (en) | 2013-06-28 | 2013-06-28 | Differential-pressure-type single-stage and double-stage gas circuit parallel-connection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203347919U true CN203347919U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203881825U Expired - Fee Related CN203347919U (en) | 2013-06-28 | 2013-06-28 | Differential-pressure-type single-stage and double-stage gas circuit parallel-connection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203347919U (en) |
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2013
- 2013-06-28 CN CN2013203881825U patent/CN203347919U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20140628 |
|
| EXPY | Termination of patent right or utility model |