CN103089399A - Air inlet pressure adjusting type parallel connection boost system - Google Patents

Air inlet pressure adjusting type parallel connection boost system Download PDF

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Publication number
CN103089399A
CN103089399A CN2013100151810A CN201310015181A CN103089399A CN 103089399 A CN103089399 A CN 103089399A CN 2013100151810 A CN2013100151810 A CN 2013100151810A CN 201310015181 A CN201310015181 A CN 201310015181A CN 103089399 A CN103089399 A CN 103089399A
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pipe
compressor
turbine
outlet
air inlet
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石磊
孙祐成
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Shanghai Jiao Tong University
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Shanghai Jiao Tong University
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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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Abstract

一种机械设计技术领域的进气压力调节式并联增压系统，包括压气机、发动机、涡轮、连接管、贯穿管、容积腔、移动体和弹簧，移动体安装在容积腔内并与容积腔的内壁面密封接触，第一贯穿管、第二贯穿管、第三贯穿管均贯穿移动体的上下两壁面，第一连接管的两端分别与发动机进气管、容积腔的左壁面相连通，移动体的右壁面通过弹簧与容积腔的右壁面相连接。当发动机进气管内压力较高时，移动体向右移动，两个增压器并联工作；当发动机进气管内压力较低时，移动体向左移动，仅第一个增压器工作。本发明设计合理，控制策略简单，适用于各种气缸数的涡轮增压系统。

Figure 201310015181

An intake pressure adjustable parallel supercharging system in the field of mechanical design technology, including a compressor, an engine, a turbine, a connecting pipe, a through pipe, a volume chamber, a moving body and a spring, the moving body is installed in the volume chamber and connected to the volume chamber The inner wall surface of the first connecting pipe is in sealing contact, the first penetrating pipe, the second penetrating pipe, and the third penetrating pipe all run through the upper and lower walls of the moving body, and the two ends of the first connecting pipe are respectively connected with the engine intake pipe and the left wall of the volume chamber. The right wall of the moving body is connected with the right wall of the volume cavity through a spring. When the pressure in the intake pipe of the engine is high, the mobile body moves to the right, and the two superchargers work in parallel; when the pressure in the intake pipe of the engine is low, the mobile body moves to the left, and only the first supercharger works. The invention has reasonable design and simple control strategy, and is suitable for turbocharging systems with various numbers of cylinders.

Figure 201310015181

Description

Suction pressure regulating type supercharging in parallel system
Technical field
What the present invention relates to is the turbo charge system in a kind of mechanical designing technique field, particularly a kind of suction pressure regulating type supercharging in parallel system that can realize the 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 discharging becomes internal combustion engine development.The effective means of strengthening internal-combustion engine is not only in turbosupercharging, and realizes simultaneously the purpose that reduces oil consumption and reduce discharging having become indispensable technological means of modern ic machine technology.But, be subjected 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 the two-step supercharging system of complexity.
Find through the retrieval to the prior art document, Chinese patent application numbers 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 present invention is directed to above-mentioned the deficiencies in the prior art, a kind of suction pressure regulating type supercharging in parallel system is provided, can realize the single-stage work of a pressurized machine and the parallel operation of two pressurized machines.
the present invention is achieved through the following technical solutions, the present invention includes 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, the first coupling shaft, the first connecting tube, the second connecting tube, the 3rd connecting tube, the 4th connecting tube, first runs through pipe, second runs through pipe, the 3rd runs through pipe, cavity volume, moving body, spring, 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 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, and the first gas compressor is connected by the first coupling shaft is coaxial with the first turbine, the suction port of the first compressor air inlet machine pipe, the air outlet of the second connecting tube, the air outlet of the first turbine exhaust pipe all is communicated with the upper wall surface of cavity volume, the air outlet of the 3rd connecting tube, the air outlet of the second gas compressor outlet pipe, the suction port of the 4th connecting tube, the suction port of the second gas inlet casing all is communicated with the lower wall surface of cavity volume, and moving body is arranged in cavity volume and with the internal face sealing of cavity volume and contacts, and first runs through pipe, second runs through pipe, the 3rd runs through two walls up and down that Guan Jun runs through moving body, the air inlet/outlet of the second gas compressor respectively with the air outlet of the second compressor air inlet machine pipe, the suction port of the second gas compressor outlet pipe is connected, the air inlet/outlet of the second turbine respectively with the air outlet of the second gas inlet casing, the suction port of the second turbine exhaust pipe is connected, and the second gas compressor is connected by the second coupling shaft is coaxial with the second turbine, and the suction port of the second connecting tube is connected with engine exhaust pipe, the two ends of the first connecting tube respectively with engine air inlet tube, the left wall of cavity volume is connected, and the right wall of moving body is connected with the right wall of cavity volume by spring.
Further, in the present invention, the first compressor air inlet machine pipe, the first turbine exhaust pipe, the second connecting tube, the 3rd connecting tube, the 4th connecting tube, the 3rd run through pipe, the second gas compressor outlet pipe, the second gas inlet casing is pipe and internal diameter equates, first runs through pipe, second runs through pipe and is pipe and internal diameter and equates, the first internal diameter that runs through pipe is greater than the 3rd internal diameter that runs through pipe.
In working procedure of the present invention, moving body can move left and right in cavity volume.When the engine charge overpressure is higher, the cavity volume internal pressure in moving body left side is also higher, moving body moves right and Compress Spring, the first compressor air inlet machine pipe, first runs through pipe, the 3rd connecting tube is connected, the first connecting tube, cavity volume, the second gas compressor outlet pipe are connected, the first turbine exhaust pipe, second runs through pipe, the 4th connecting tube is connected, the second connecting tube, the 3rd runs through pipe, the second gas inlet casing is connected, the first gas compressor, the first turbine, the second gas compressor, the second turbine are worked simultaneously, two pressurized machine parallel connections.When the engine charge overpressure is low, the cavity volume internal pressure in moving body left side is also lower, moving body is moved to the left under the resilient force of spring, 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, second runs through pipe, the 4th connecting tube is connected, and 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 present invention has following beneficial effect and is: the present invention is reasonable in design, and 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.Suction pressure is more when the single pressurized machine work of low speed operating mode, and burning better; Pumping loss is less when two pressurized machines of high-speed working condition are in parallel, and oil consumption is lower.
Description of drawings
Fig. 1 is structural representation of the present invention;
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, spring, 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, embodiments of the invention are elaborated, the present embodiment provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment take technical solution of the present invention as prerequisite.
Embodiment
as depicted in figs. 1 and 2, the present invention includes 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, spring 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 coupling shaft 8 is coaxial is connected by first for the first gas compressor 2 and the first turbine 6, the suction port of the first compressor air inlet machine pipe 1, the air outlet of the second connecting tube 10, the air outlet of the first turbine exhaust pipe 7 all is communicated with the upper wall 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 the lower wall 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 two walls 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 coupling shaft 25 is coaxial is connected by second for the second gas compressor 20 and the second turbine 23, and the suction port of the second connecting tube 10 is connected with engine exhaust pipe 3, the two ends of the first connecting tube 9 respectively with engine air inlet tube 3, the left wall of cavity volume 16 is connected, and the right wall of moving body 17 is connected with the right wall of cavity volume 16 by spring 18, the first compressor air inlet machine pipe 1, the first turbine exhaust pipe 7, the second connecting tube 10, the 3rd connecting tube 11, the 4th connecting tube 12, the 3rd runs through pipe 15, the second gas compressor outlet pipe 21, the second gas inlet casing 22 is pipe and internal diameter equates, first runs through pipe 13, second runs through pipe 14 is pipe and internal diameter and equates, the first internal diameter that runs through pipe 13 is greater than the 3rd internal diameter that runs through pipe 15.
In working procedure of the present invention, moving body 17 can move left and right in cavity volume 16.when engine air inlet tube 3 internal pressures when higher, cavity volume 16 internal pressures in moving body 17 left sides are also higher, moving body 17 moves right and Compress Spring 18, 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, cavity volume 16, the second gas compressor outlet pipe 21 is connected, the first turbine exhaust pipe 7, second runs through pipe 14, the 4th connecting tube 12 is connected, the second connecting tube 10, the 3rd runs through pipe 15, 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 air inlet tube 3 internal pressures are low, cavity volume 16 internal pressures in moving body 17 left sides are also lower, moving body 17 is moved to the left under the resilient force of spring 18, 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 7, second runs through pipe the 14, 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.Suction pressure is more when the single pressurized machine work of low speed operating mode, and burning better; Pumping loss is less when two pressurized machines of high-speed working condition are in parallel, and oil consumption is lower.

Claims (2)

1.一种进气压力调节式并联增压系统，包括第一压气机进气管（1）、第一压气机（2）、发动机进气管（3）、发动机（4）、发动机排气管（5）、第一涡轮（6）、第一涡轮排气管（7）和第一连接轴（8），第一压气机（2）的进出气口分别与第一压气机进气管（1）的出气口、发动机进气管（3）的进气口相连接，发动机（4）的进出气口分别与发动机进气管（3）的出气口、发动机排气管（5）的进气口相连接，第一涡轮（6）的进出气口分别与发动机排气管（5）的出气口、第一涡轮排气管（7）的进气口相连接，第一压气机（2）与第一涡轮（6）通过第一连接轴（8）同轴相连，其特征在于还包括第一连接管（9）、第二连接管（10）、第三连接管（11）、第四连接管（12）、第一连接管（13）、第二贯穿管（14）、第二贯穿管（15）、容积腔（16）、移动体（17）、弹簧（18）、第二压气机进气管（19）、第二压气机（20）、第二压气机排气管（21）、第二涡轮进气管（22）、第二涡轮（23）、第二涡轮排气管(24)和第二连接轴（25），第一压气机进气管（1）的进气口、第二连接管（10）的出气口、第一涡轮排气管（7）的出气口均与容积腔（16）的上壁面连通，第三连接管（11）的出气口、第二压气机排气管（21）的出气口、第四连接管（12）的进气口、第二涡轮进气管（22）的进气口均与容积腔（16）的下壁面连通，移动体（17）安装在容积腔（16）内并与容积腔（16）的内壁面密封接触，第一贯穿管（13）、第二贯穿管（14）、第三贯穿管（15）均贯穿移动体（17）的上下两壁面，第二压气机（20）的进出气口分别与第二压气机进气管（19）的出气口、第二压气机排气管（21）的进气口相连接，第二涡轮（23）的进出气口分别与第二涡轮进气管（22）的出气口、第二涡轮排气管（24）的进气口相连接，第二压气机（20）与第二涡轮（23）通过第二连接轴（25）同轴相连，第二连接管（10）的进气口与发动机排气管（3）相连通，第一连接管（9）的两端分别与发动机进气管（3）、容积腔（16）的左壁面相连通，移动体（17）的右壁面通过弹簧（18）与容积腔（16）的右壁面相连接。1. An intake pressure regulated parallel supercharging system, comprising the first compressor intake pipe (1), the first compressor (2), the engine intake pipe (3), the engine (4), the engine exhaust pipe ( 5), the first turbine (6), the first turbine exhaust pipe (7) and the first connecting shaft (8), the inlet and outlet of the first compressor (2) are respectively connected with the inlet pipe (1) of the first compressor The air outlet is connected with the air inlet of the engine intake pipe (3), and the air inlet and outlet of the engine (4) are respectively connected with the air outlet of the engine air intake pipe (3) and the air inlet of the engine exhaust pipe (5). The air inlet and outlet of a turbine (6) are respectively connected with the air outlet of the engine exhaust pipe (5) and the air inlet of the first turbine exhaust pipe (7), and the first compressor (2) is connected with the first turbine (6) ) is coaxially connected through the first connecting shaft (8), and is characterized in that it also includes a first connecting pipe (9), a second connecting pipe (10), a third connecting pipe (11), a fourth connecting pipe (12), The first connecting pipe (13), the second through pipe (14), the second through pipe (15), the volume chamber (16), the moving body (17), the spring (18), the second compressor inlet pipe (19) , the second compressor (20), the second compressor exhaust pipe (21), the second turbine intake pipe (22), the second turbine (23), the second turbine exhaust pipe (24) and the second connecting shaft (25), the air inlet of the first compressor inlet pipe (1), the air outlet of the second connecting pipe (10), and the air outlet of the first turbine exhaust pipe (7) are all connected to the upper part of the volume chamber (16). The wall is connected, the outlet of the third connecting pipe (11), the outlet of the second compressor exhaust pipe (21), the inlet of the fourth connecting pipe (12), the inlet of the second turbine inlet pipe (22) The air ports are all connected with the lower wall of the volume chamber (16), the moving body (17) is installed in the volume chamber (16) and is in sealing contact with the inner wall of the volume chamber (16), the first through pipe (13), the second The through-pipe (14) and the third through-pipe (15) both run through the upper and lower walls of the mobile body (17), and the air inlet and outlet of the second compressor (20) are respectively connected to the air outlet of the second compressor inlet pipe (19), The air inlet of the second compressor exhaust pipe (21) is connected, and the air inlet and outlet of the second turbine (23) are respectively connected with the air outlet of the second turbine air intake pipe (22) and the outlet of the second turbine exhaust pipe (24). The air inlet is connected, the second compressor (20) is coaxially connected with the second turbine (23) through the second connecting shaft (25), the air inlet of the second connecting pipe (10) is connected with the engine exhaust pipe (3 ), the two ends of the first connecting pipe (9) communicate with the engine intake pipe (3) and the left wall of the volume chamber (16) respectively, and the right wall of the moving body (17) connects with the volume chamber through a spring (18) (16) is connected to the right wall. 2.根据权利要求1所述的进气压力调节式并联增压系统，其特征在于第一压气机进气管（1）、第一涡轮排气管（7）、第二连接管（10）、第三连接管（11）、第四连接管（12）、第三贯穿管（15）、第二压气机排气管（21）、第二涡轮进气管（22）均为圆管且内径相等，第一贯穿管（13）、第二贯穿管（14）均为圆管且内径相等，第一贯穿管（13）的内径大于第三贯穿管（15）的内径。2. The intake pressure adjustable parallel supercharging system according to claim 1, characterized in that the first compressor inlet pipe (1), the first turbine exhaust pipe (7), the second connecting pipe (10), The third connecting pipe (11), the fourth connecting pipe (12), the third through pipe (15), the second compressor exhaust pipe (21), and the second turbine intake pipe (22) are all circular pipes with the same inner diameter , the first through-pipe (13) and the second through-pipe (14) are round pipes with equal inner diameters, and the inner diameter of the first through-pipe (13) is greater than the inner diameter of the third through-pipe (15).
CN2013100151810A 2013-01-15 2013-01-15 Air inlet pressure adjusting type parallel connection boost system Pending CN103089399A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103089401A (en) * 2013-01-21 2013-05-08 上海交通大学 Connection pipe control type parallel connection air circuit system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1737346A (en) * 2005-05-12 2006-02-22 上海交通大学 Large and small turbochargers in series and parallel adjustable height boosting system
CN201314254Y (en) * 2008-12-18 2009-09-23 上海交通大学 Twin-turbocharger parallel three-stage adjustable turbocharging device
CN102767423A (en) * 2012-07-16 2012-11-07 上海交通大学 Parallel gas path system with switching mechanism
CN102817700A (en) * 2012-08-23 2012-12-12 上海交通大学 Parallel system of twin-turbo supercharger

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1737346A (en) * 2005-05-12 2006-02-22 上海交通大学 Large and small turbochargers in series and parallel adjustable height boosting system
CN201314254Y (en) * 2008-12-18 2009-09-23 上海交通大学 Twin-turbocharger parallel three-stage adjustable turbocharging device
CN102767423A (en) * 2012-07-16 2012-11-07 上海交通大学 Parallel gas path system with switching mechanism
CN102817700A (en) * 2012-08-23 2012-12-12 上海交通大学 Parallel system of twin-turbo supercharger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103089401A (en) * 2013-01-21 2013-05-08 上海交通大学 Connection pipe control type parallel connection air circuit system

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Application publication date: 20130508