CN103541823A - Annular shaft-valve simultaneous rotation system - Google Patents

Annular shaft-valve simultaneous rotation system Download PDF

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CN103541823A
CN103541823A CN201310439007.9A CN201310439007A CN103541823A CN 103541823 A CN103541823 A CN 103541823A CN 201310439007 A CN201310439007 A CN 201310439007A CN 103541823 A CN103541823 A CN 103541823A
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engine
pipe
volume
air inlet
valve body
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韦红雨
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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
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    • 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圆环式轴阀同步旋转系统，包括压气机、发动机、涡轮、连接管、阀座、阀体、旋转轴、容积腔、旋转体和弹性部件，旋转体安装在容积腔内并与容积腔的内壁面密封接触，隔板的右壁面通过弹性部件与旋转体相连接，第一连接管的两端分别与发动机排气管、容积室的进气口相连通，第三连接管的两端分别与发动机排气管、隔板左侧的容积腔相连通。当发动机排气管压力较高时，旋转体带动阀体顺时针旋转，发动机的排气再循环率较大，发动机爆压较低；当发动机排气管压力较低时，旋转体带动阀体逆时针旋转，发动机的排气再循环率较小，发动机油耗较低。本发明设计合理，结构简单，适用于增压发动机的排气再循环系统。

Figure 201310439007

A circular shaft valve synchronous rotation system in the technical field of mechanical design, including a compressor, an engine, a turbine, a connecting pipe, a valve seat, a valve body, a rotating shaft, a volume cavity, a rotating body and elastic components, and the rotating body is installed in the volume The cavity is in sealing contact with the inner wall of the volume chamber, the right wall of the partition is connected with the rotating body through elastic components, the two ends of the first connecting pipe are respectively connected with the engine exhaust pipe and the air inlet of the volume chamber, and the second The two ends of the three connecting pipes communicate with the engine exhaust pipe and the volume chamber on the left side of the partition respectively. When the exhaust pipe pressure of the engine is high, the rotating body drives the valve body to rotate clockwise, the exhaust gas recirculation rate of the engine is high, and the engine explosion pressure is low; when the exhaust pipe pressure of the engine is low, the rotating body drives the valve body Rotating counterclockwise, the exhaust gas recirculation rate of the engine is smaller, and the engine fuel consumption is lower. The invention has reasonable design and simple structure, and is suitable for the exhaust gas recirculation system of the supercharged engine.

Figure 201310439007

Description

Circular ring type axle valve synchronous rotation system
Technical field
What the present invention relates to is the exhaust gas recycling system in a kind of mechanical designing technique field, particularly a kind of circular ring type axle valve synchronous rotation system.
Background technique
The noxious emission of motor is a main source that causes pollution of atmosphere, along with the significance of environmental protection problem increases increasingly, reduces the important directions that this target of Engine's Harmful Emission becomes development of engine in the world today.Along with the consumption of world oil goods rises year by year, international oil price is high, and the Economy of diesel-oil vehicle is outstanding day by day, this make diesel engine in power train in vehicle application in occupation of consequence more and more.So carry out the research of Harmful Emissions of Diesel Engine controlling method, it is the person's that is engaged in Design Technology for Diesels top priority.Exhaust gas recycling system is to send the sub-fraction of the waste gas of diesel engine generation back to cylinder again.Exhaust gas recirculation will retarded combustion process owing to having inertia, thereby that is to say that velocity of combustion will slow down the pressure initiation process causing in firing chamber and slow down, main cause that oxynitrides can reduce that Here it is.In addition, improve ER EGR Rate and can make total extraction flow reduce, so in toxic emission, total pollutant output quantity will reduce relatively.When middling speed operating mode, motor needs larger exhaust gas recirculation rate, to reduce row's temperature, reduces to pollute; When low speed operating mode, motor needs less exhaust gas recirculation rate, to improve the air inflow of motor.
Through the retrieval of prior art document is found, China Patent No. ZL200410063439.5, patent name: electronic EGR gas control system, this patented technology provides a kind of device of control engine exhaust gas recirculation rate, can take into account preferably motor in high rotating speed operating mode; But the variation of its exhaust gas recirculation rate is to realize by special control structure, thus the more complicated that control system is become.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of circular ring type axle valve synchronous rotation system is provided, make its exhaust gas recirculation rate can self-control, take into account preferably the middle and slow speed of revolution operating mode of motor, and simple in structure, do not need special control mechanism.
The present invention is achieved through the following technical solutions, the present invention includes compressor air inlet machine pipe, gas compressor, engine air inlet tube, motor, engine exhaust pipe, turbine, turbine exhaust pipe, coupling shaft, the first connecting tube, the second connecting tube, the 3rd connecting tube, valve seat, valve body, cavity volume, dividing plate, solid of rotation, running shaft and elastic member, the air inlet/outlet of gas compressor respectively with the air outlet of 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 turbine respectively with the air outlet of engine exhaust pipe, the suction port of turbine exhaust pipe is connected, gas compressor is coaxially connected by coupling shaft with turbine, the upper end of valve seat is with interior threaded hole, the lower end of valve seat is with chamber volume, the upper end of valve body is with outside thread, valve body is arranged in valve seat, the interior threaded hole of the outside thread of valve body upper end and valve seat upper end matches, the lower end of valve body is arranged in chamber volume, the wall of cavity volume is all consolidated, the longitudinal section of cavity volume is rectangular, solid of rotation is arranged in cavity volume and with the internal face sealing of cavity volume and contacts, the cross section of cavity volume is for all circular, the cross section of solid of rotation is for all circular-arc, the outer side wall of running shaft forms the madial wall of cavity volume, the axis of cavity volume, the axis of running shaft, valve axis coincides together, valve body passes running shaft and is consolidated with running shaft, solid of rotation and running shaft are consolidated, dividing plate be arranged in cavity volume and be positioned at cavity volume under, the upper end of dividing plate contacts with rotation axis seal, the right wall of dividing plate is connected with solid of rotation by elastic member, the two ends of the first connecting tube respectively with engine exhaust pipe, the suction port of chamber volume is connected, the two ends of the second connecting tube respectively with the air outlet of chamber volume, compressor air inlet machine pipe is connected, the two ends of the 3rd connecting tube respectively with engine exhaust pipe, the cavity volume in dividing plate left side is connected.
Further, elastic member is spring in the present invention, and the first connecting tube, the 3rd connecting tube are uniform section pipe.
In working procedure of the present invention, solid of rotation can rotate freely in cavity volume, and solid of rotation, running shaft, valve body are consolidated.When engine exhaust overpressure is larger, the cavity volume internal pressure in dividing plate left side is also larger, solid of rotation turns clockwise and pressure elasticity parts, running shaft and valve body also synchronously turn clockwise, it is large that throat area between valve body and valve seat becomes, engine exhaust recirculation rate increases, thereby the detonation pressure of motor and maximum combustion temperature are reduced; When engine exhaust overpressure hour, the cavity volume internal pressure in dividing plate left side is also less, elastic reaction following rotator at elastic member is rotated counterclockwise, running shaft and valve body are also synchronously rotated counterclockwise, throat area between valve body and valve seat diminishes, engine exhaust recirculation rate reduces, thereby air input of engine by air is increased, fuel consumption reduction.
Compared with prior art, the present invention has following beneficial effect: the present invention is reasonable in design, simple in structure, be applicable to the exhaust gas recycling system with turbosupercharger, can take into account the middle and slow speed of revolution operating mode of motor, can make again exhaust gas recycling system not need special exhaust gas recirculation rate control mechanism.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of A-A section in Fig. 1;
Fig. 3 is the structural representation of B-B section in Fig. 2;
Wherein: 1, compressor air inlet machine pipe, 2, gas compressor, 3, engine air inlet tube, 4, motor, 5, engine exhaust pipe, 6, turbine, 7, turbine exhaust pipe, 8, coupling shaft, the 9, first connecting tube, the 10, second connecting tube, 11, the 3rd connecting tube, 12, valve seat, 13, valve body, 14, chamber volume, 15, cavity volume, 16, dividing plate, 17, solid of rotation, 18, running shaft, 19, elastic member.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, the present embodiment be take technical solution of the present invention as prerequisite, provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment
As shown in Figure 1 to Figure 3, the present invention includes compressor air inlet machine pipe 1, gas compressor 2, engine air inlet tube 3, motor 4, engine exhaust pipe 5, turbine 6, turbine exhaust pipe 7, coupling shaft 8, the first connecting tube 9, the second connecting tube 10, the 3rd connecting tube 11, valve seat 12, valve body 13, cavity volume 15, dividing plate 16, solid of rotation 17, running shaft 18 and elastic member 19, the air inlet/outlet of gas compressor 2 respectively with the air outlet of 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 turbine 6 respectively with the air outlet of engine exhaust pipe 5, the suction port of turbine exhaust pipe 7 is connected, gas compressor 2 is coaxially connected by coupling shaft 8 with turbine 6, the upper end of valve seat 12 is with interior threaded hole, the lower end of valve seat 12 is with chamber volume 14, the upper end of valve body 13 is with outside thread, valve body 13 is arranged in valve seat 12, the interior threaded hole of the outside thread of valve body 13 upper ends and valve seat 12 upper ends matches, the lower end of valve body 13 is arranged in chamber volume 14, the wall of cavity volume 15 is all consolidated, the longitudinal section of cavity volume 15 is rectangular, solid of rotation 17 is arranged in cavity volume 15 and with the internal face sealing of cavity volume 15 and contacts, the cross section of cavity volume 15 is for all circular, the cross section of solid of rotation 17 is for all circular-arc, the outer side wall of running shaft 18 forms the madial wall of cavity volume 15, the axis of cavity volume 15, the axis of running shaft 18, valve body 13 deads in line together, valve body 13 passes running shaft 18 and is consolidated with running shaft 18, solid of rotation 17 is consolidated with running shaft 18, dividing plate 16 be arranged in cavity volume 15 and be positioned at cavity volume 15 under, the upper end of dividing plate 16 contacts with running shaft 18 sealings, the right wall of dividing plate 16 is connected with solid of rotation 17 by elastic member 19, the two ends of the first connecting tube 9 respectively with engine exhaust pipe 5, the suction port of chamber volume 14 is connected, the two ends of the second connecting tube 10 respectively with the air outlet of chamber volume 14, compressor air inlet machine pipe 1 is connected, the two ends of the 3rd connecting tube 11 respectively with engine exhaust pipe 5, the cavity volume 16 in dividing plate 16 left sides is connected, and elastic member 19 is spring, the first connecting tube 9, the 3rd connecting tube 11 is uniform section pipe.
In the present invention, solid of rotation 17 can rotate freely in cavity volume 15.When engine exhaust pipe 5 internal pressures are when larger, cavity volume 15 internal pressures in dividing plate 16 left sides are also larger, solid of rotation 17 turns clockwise and pressure elasticity parts 19, running shaft 18 and valve body 13 also synchronously turn clockwise, it is large that throat area between valve body 13 and valve seat 12 becomes, engine exhaust recirculation rate increases, thereby the detonation pressure of motor and maximum combustion temperature are reduced; When engine exhaust pipe 5 internal pressures hour, cavity volume 15 internal pressures in dividing plate 16 left sides are also less, elastic reaction following rotator 17 at elastic member 19 is rotated counterclockwise, running shaft 18 and valve body 13 are also synchronously rotated counterclockwise, throat area between valve body 13 and valve seat 12 diminishes, engine exhaust recirculation rate reduces, thereby air input of engine by air is increased, fuel consumption reduction.

Claims (2)

1.一种圆环式轴阀同步旋转系统，包括压气机进气管(1)、压气机(2)、发动机进气管(3)、发动机(4)、发动机排气管(5)、涡轮(6)、涡轮排气管(7)和连接轴(8)，压气机(2)的进出气口分别与压气机进气管(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，涡轮(6)的进出气口分别与发动机排气管(5)的出气口、涡轮排气管(7)的进气口相连接，压气机(2)与涡轮(6)通过连接轴(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)、阀座(12)、阀体(13)、容积腔(15)、隔板(16)、旋转体(17)、旋转轴(18)和弹性部件(19)，阀座(12)的上端带有内螺纹孔，阀座(12)的下端带有容积室(14)，阀体(13)的上端带有外螺纹，阀体(13)安装在阀座(12)内，阀体(13)上端的外螺纹与阀座(12)上端的内螺纹孔相匹配，阀体(13)的下端布置在容积室(14)内，容积腔(15)的壁面均固结在一起，容积腔(15)的纵截面为长方形，旋转体(17)安装在容积腔(15)内并与容积腔(15)的内壁面密封接触，容积腔(15)的横截面为均圆环状，旋转体(17)的横截面为均圆弧状，旋转轴(18)的外侧壁构成容积腔(15)的内侧壁，容积腔(15)的轴线、旋转轴(18)的轴线、阀体(13)轴线重合在一起，阀体(13)穿过旋转轴(18)并与旋转轴(18)固结在一起，旋转体(17)与旋转轴(18)固结在一起，隔板(16)安装在容积腔(15)内并位于容积腔(15)的正下方，隔板(16)的上端与旋转轴(18)密封接触，隔板(16)的右壁面通过弹性部件(19)与旋转体(17)相连接，第一连接管(9)的两端分别与发动机排气管(5)、容积室(14)的进气口相连通，第二连接管(10)的两端分别与容积室(14)的出气口、压气机进气管(1)相连通，第三连接管(11)的两端分别与发动机排气管(5)、隔板(16)左侧的容积腔(16)相连通。1. A ring type shaft valve synchronous rotation system, comprising compressor inlet pipe (1), compressor (2), engine inlet pipe (3), engine (4), engine exhaust pipe (5), turbine ( 6), the turbine exhaust pipe (7) and the connecting shaft (8), the air inlet and outlet of the compressor (2) are respectively connected with the air outlet of the compressor air inlet pipe (1) and the air inlet of the engine air inlet pipe (3) , the air inlet and outlet of the engine (4) are connected with the air outlet of the engine intake pipe (3) and the air inlet of the engine exhaust pipe (5) respectively, and the air inlet and outlet of the turbine (6) are respectively connected with the engine exhaust pipe (5) The air outlet of the turbine exhaust pipe (7) is connected to the air inlet, and the compressor (2) is connected to the turbine (6) coaxially through the connecting shaft (8). It is characterized in that it also includes a first connecting pipe (9 ), second connecting pipe (10), third connecting pipe (11), valve seat (12), valve body (13), volume cavity (15), partition (16), rotating body (17), rotating shaft (18) and elastic member (19), the upper end of valve seat (12) has internal thread hole, the lower end of valve seat (12) has volume chamber (14), and the upper end of valve body (13) has external thread, The valve body (13) is installed in the valve seat (12), the external thread on the upper end of the valve body (13) matches the internal thread hole on the upper end of the valve seat (12), and the lower end of the valve body (13) is arranged in the volume chamber (14 ), the walls of the volume cavity (15) are solidified together, the longitudinal section of the volume cavity (15) is rectangular, and the rotating body (17) is installed in the volume cavity (15) and connected to the inner wall surface of the volume cavity (15). Sealed contact, the cross-section of the volume chamber (15) is circular, the cross-section of the rotating body (17) is arc-shaped, the outer wall of the rotating shaft (18) constitutes the inner wall of the volume chamber (15), and the volume The axis of the cavity (15), the axis of the rotating shaft (18), and the axis of the valve body (13) coincide together, and the valve body (13) passes through the rotating shaft (18) and is fixed together with the rotating shaft (18). The body (17) and the rotating shaft (18) are consolidated together, the partition (16) is installed in the volume cavity (15) and is located directly below the volume cavity (15), and the upper end of the partition (16) is connected to the rotation shaft ( 18) Sealed contact, the right wall surface of the partition (16) is connected with the rotating body (17) through the elastic member (19), and the two ends of the first connecting pipe (9) are respectively connected with the engine exhaust pipe (5), the volume chamber The air inlet of (14) is connected, and the two ends of the second connecting pipe (10) are respectively connected with the air outlet of the volume chamber (14) and the air compressor inlet pipe (1), and the two ends of the third connecting pipe (11) are connected. The ends communicate with the volume cavity (16) on the left side of the engine exhaust pipe (5) and the dividing plate (16) respectively. 2.根据权利要求1所述的圆环式轴阀同步旋转系统，其特征是，弹性部件(19)为弹簧，第一连接管(9)、第三连接管(11)均为等截面圆管。2. The ring-type shaft valve synchronous rotation system according to claim 1, characterized in that the elastic member (19) is a spring, and the first connecting pipe (9) and the third connecting pipe (11) are both circular with equal cross-section Tube.
CN201310439007.9A 2013-09-24 2013-09-24 Annular shaft-valve simultaneous rotation system Pending CN103541823A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114543083A (en) * 2022-03-11 2022-05-27 襄阳宏伟航空器有限责任公司 A single channel burner

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102562369A (en) * 2012-02-07 2012-07-11 上海交通大学 Exhaust recirculating system controlled by aid of air inlet pressure
CN102767438A (en) * 2012-07-23 2012-11-07 上海交通大学 High-pressure stage loop device using exhaust gas as gas source
CN103291433A (en) * 2013-05-17 2013-09-11 上海交通大学 Triaxial synchronous type variable exhaust branch reducing rate system
CN103291503A (en) * 2013-05-24 2013-09-11 上海交通大学 Rotary exhaust gas flow rate regulating system
CN103291469A (en) * 2013-05-24 2013-09-11 上海交通大学 Rotary gas valve control mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102562369A (en) * 2012-02-07 2012-07-11 上海交通大学 Exhaust recirculating system controlled by aid of air inlet pressure
CN102767438A (en) * 2012-07-23 2012-11-07 上海交通大学 High-pressure stage loop device using exhaust gas as gas source
CN103291433A (en) * 2013-05-17 2013-09-11 上海交通大学 Triaxial synchronous type variable exhaust branch reducing rate system
CN103291503A (en) * 2013-05-24 2013-09-11 上海交通大学 Rotary exhaust gas flow rate regulating system
CN103291469A (en) * 2013-05-24 2013-09-11 上海交通大学 Rotary gas valve control mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114543083A (en) * 2022-03-11 2022-05-27 襄阳宏伟航空器有限责任公司 A single channel burner

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Application publication date: 20140129