CN102900571A - Mechanical moving body sliding device - Google Patents
Mechanical moving body sliding device Download PDFInfo
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- CN102900571A CN102900571A CN2012103642260A CN201210364226A CN102900571A CN 102900571 A CN102900571 A CN 102900571A CN 2012103642260 A CN2012103642260 A CN 2012103642260A CN 201210364226 A CN201210364226 A CN 201210364226A CN 102900571 A CN102900571 A CN 102900571A
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- cavity volume
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- connecting tube
- wall surface
- engine
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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
The invention discloses a mechanical moving body sliding device in the field of mechanical design, which comprises an air inlet pipe, an engine, an air exhaust pipe, an air compressor, a turbine, a connection pipe, a volumetric cavity, a moving body and a spring, wherein the connection pipe is communicated with the wall surface of the volumetric cavity; the moving body is arranged in the volumetric cavity and is in sealing contact with the inner wall surface of the volumetric cavity; a penetration pipe penetrates through the left wall surface and the right wall surface of the moving body; and two ends of the spring are respectively connected with the upper wall surface of the moving body and the upper wall surface of the volumetric cavity. When an engine is in a medium-and-low-speed working condition, the moving body moves up in the volumetric cavity, the waste air recycling rate is relatively high, discharging temperature of each cylinder of the engine is relatively low, and the overall performance is relatively high; and when the engine is in a high-speed working condition, the moving body moves down in the volumetric cavity, the waste air recycling rate is relatively low, the dynamic property of the engine is relatively high, and the overall performance is relatively high. The mechanical moving body sliding device is rational in design, simple in structure and suitable for waste air recycling systems with turbine pressurizers.
Description
Technical field
What the present invention relates to is a kind of gas recirculation system of mechanical design field, particularly a kind of mechanical movable body sliding device with turbosupercharger.
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 so that 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 the Design Technology for Diesels top priority.Gas recirculation system is to send the sub-fraction of the waste gas of diesel engine generation back to cylinder again.Exhaust gas recirculation since have inertia will the retarded combustion process, thereby that is to say that velocity of combustion will slow down the pressure initiation process that causes in the firing chamber and slow down, main cause that oxynitrides can reduce that Here it is.In addition, improve ER EGR Rate total extraction flow is reduced, so total pollutant output quantity will reduce relatively in the toxic emission.When middle low speed operating mode, motor needs larger ER EGR Rate, to reduce row's temperature, reduces to pollute; When high-speed working condition, motor needs less ER EGR Rate, to improve the power character of motor.
Find through the retrieval to the prior art document, China Patent No. ZL200410063439.5, patent name: electronic EGR gas control system, this patented technology provides a kind of device of control engine ER EGR Rate, can take into account preferably motor in high rotating speed operating mode; But its ER EGR Rate variation be to realize by special control structure, thereby 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 mechanical movable body sliding device is provided, make its ER EGR Rate can self-control, take into account preferably the every speed 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: the compressor air inlet machine pipe, gas compressor, engine air inlet tube, motor, engine exhaust pipe, turbine, turbine exhaust pipe, coupling shaft, cavity volume, the cavity volume upper wall surface, the cavity volume lower wall surface, the left wall of cavity volume, the right wall of cavity volume, the cavity volume front face, the cavity volume rear surface, moving body, spring, the first connecting tube, the second connecting tube, the 3rd connecting tube and run through pipe, 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 connected with turbine by coupling shaft, the cross section of cavity volume is rectangular, the cavity volume upper wall surface, the cavity volume lower wall surface, the left wall of cavity volume, the right wall of cavity volume, the cavity volume front face, the cavity volume rear surface is fixed to be integrated, the two ends of the first connecting tube respectively with engine air inlet tube, the left wall of cavity volume is connected, the two ends of the second connecting tube respectively with engine exhaust pipe, the right wall of cavity volume is connected, the two ends of the 3rd connecting tube respectively with engine air inlet tube, the cavity volume upper wall surface is connected, the first connecting tube, the second connecting tube, run through that pipe is straight pipe and internal diameter is identical, the dead in line of the axis of the first connecting tube and the second connecting tube, the axis of the first connecting tube and the axis that runs through pipe are at grade, moving body is installed in the cavity volume and with the internal face sealing of cavity volume and is contacted, run through pipe run through moving body about two walls, the two ends of spring respectively with the upper wall surface of moving body, the cavity volume upper wall surface is connected.
In working procedure of the present invention, moving body can move up and down in cavity volume.When motor is in middle low speed operating mode, the engine charge overpressure is lower, the cavity volume internal pressure of moving body top is also lower, moving body moves up under the stretching action of spring, thereby the first connecting tube is connected with the second connecting tube by running through pipe, ER EGR Rate increases, and each cylinder row temperature drop of motor is low, and overall performance is more excellent; When motor is in high-speed working condition, the engine charge overpressure is higher, the cavity volume internal pressure of moving body top is also higher, moving body moves down after overcoming the elastic force of spring and extension spring, thereby the first connecting tube and the second connecting tube are cut off mutually, ER EGR Rate reduces, and engine power performance is better, and overall performance is more excellent.
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 gas recirculation system with turbosupercharger, can take into account the every speed operating mode of motor, can make again gas recirculation system not need special ER EGR Rate control mechanism.
Description of drawings
Fig. 1 is the structural representation of mechanical movable body sliding device of the present invention;
Fig. 2 is the structural representation of A-A section among Fig. 1;
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, 9, cavity volume, 10, the cavity volume upper wall surface, 11, the cavity volume lower wall surface, 12, the left wall of cavity volume, 13, the right wall of cavity volume, 14, the cavity volume front face, 15, the cavity volume rear surface, 16, moving body, 17, spring, the 18, first connecting tube, 19, the second connecting tube, the 20, the 3rd connecting tube, 21, run through pipe.
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: 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, cavity volume 9, cavity volume upper wall surface 10, cavity volume lower wall surface 11, the left wall 12 of cavity volume, the right wall 13 of cavity volume, cavity volume front face 14, cavity volume rear surface 15, moving body 16, spring 17, the first connecting tube 18, the second connecting tube 19, the 3rd connecting tube 20 manages 21 with running through, 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 connected with turbine 6 by coupling shaft 8, the cross section of cavity volume 9 is rectangular, cavity volume upper wall surface 10, cavity volume lower wall surface 11, the left wall 12 of cavity volume, the right wall 13 of cavity volume, cavity volume front face 14, cavity volume rear surface 15 fixed being integrated, the two ends of the first connecting tube 18 respectively with engine air inlet tube 3, the left wall 12 of cavity volume is connected, the two ends of the second connecting tube 19 respectively with engine exhaust pipe 5, the right wall 13 of cavity volume is connected, the two ends of the 3rd connecting tube 20 respectively with engine air inlet tube 3, cavity volume upper wall surface 10 is connected, the first connecting tube 18, the second connecting tube 19, run through the pipe 21 be straight pipe and internal diameter identical, the dead in line of the axis of the first connecting tube 18 and the second connecting tube 19, the axis of the first connecting tube 18 with run through pipe 21 axis at grade, moving body 16 is installed in the cavity volume 9 and with the internal face sealing of cavity volume 9 and is contacted, run through pipe 21 run through moving body 16 about two walls, the two ends of spring 17 respectively with the upper wall surface of moving body 16, cavity volume upper wall surface 10 is connected.
In working procedure of the present invention, moving body 16 can move up and down in cavity volume 9.When motor 4 is in middle low speed operating mode, engine air inlet tube 3 internal pressures are lower, the cavity volume internal pressure of moving body 16 tops is also lower, moving body 16 moves up under the stretching action of spring 17, thereby the first connecting tube 18 is connected with the second connecting tube 19 by running through pipe 21, ER EGR Rate increases, and each cylinder row temperature drop of motor 4 is low, and overall performance is more excellent; When motor is in high-speed working condition, engine air inlet tube 3 internal pressures are higher, the cavity volume internal pressure of moving body 16 tops is also higher, moving body 16 moves down after the elastic force that overcomes spring 17 and extension spring 17, thereby the first connecting tube 18 and the second connecting tube 19 are cut off mutually, ER EGR Rate reduces, and the power character of motor 4 is better, and overall performance is more excellent.Therefore, the present invention can take into account the every speed operating mode of motor 4 preferably.
Claims (1)
1. mechanical movable body sliding device, comprise 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) and coupling shaft (8), 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 connected with turbine (6) by coupling shaft (8), characterized by further comprising cavity volume (9), cavity volume upper wall surface (10), cavity volume lower wall surface (11), the left wall of cavity volume (12), the right wall of cavity volume (13), cavity volume front face (14), cavity volume rear surface (15), moving body (16), spring (17), the first connecting tube (18), the second connecting tube (19), the 3rd connecting tube (20) and run through pipe (21), the cross section of cavity volume (9) is rectangular, cavity volume upper wall surface (10), cavity volume lower wall surface (11), the left wall of cavity volume (12), the right wall of cavity volume (13), cavity volume front face (14), fixed being integrated of cavity volume rear surface (15), the two ends of the first connecting tube (18) respectively with engine air inlet tube (3), the left wall of cavity volume (12) is connected, the two ends of the second connecting tube (19) respectively with engine exhaust pipe (5), the right wall of cavity volume (13) is connected, the two ends of the 3rd connecting tube (20) respectively with engine air inlet tube (3), cavity volume upper wall surface (10) is connected, the first connecting tube (18), the second connecting tube (19), run through that pipe (21) is straight pipe and internal diameter is identical, the dead in line of the axis of the first connecting tube (18) and the second connecting tube (19), the axis of the first connecting tube (18) and the axis that runs through pipe (21) are at grade, moving body (16) is installed in the cavity volume (9) and with the internal face sealing of cavity volume (9) and is contacted, run through pipe (21) run through moving body (16) about two walls, the two ends of spring (17) respectively with the upper wall surface of moving body (16), cavity volume upper wall surface (10) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103642260A CN102900571A (en) | 2012-09-26 | 2012-09-26 | Mechanical moving body sliding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103642260A CN102900571A (en) | 2012-09-26 | 2012-09-26 | Mechanical moving body sliding device |
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| CN102900571A true CN102900571A (en) | 2013-01-30 |
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| CN2012103642260A Pending CN102900571A (en) | 2012-09-26 | 2012-09-26 | Mechanical moving body sliding device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4239773A1 (en) * | 1992-11-26 | 1994-06-01 | Audi Ag | Control of exhaust feed back in car EGR system - using valve for feed back controlled with inputs from intake air flow and throttle angle |
| US6295814B1 (en) * | 1997-04-23 | 2001-10-02 | Daimlerchrysler Ag | Internal-combustion engine with an exhaust gas turbocharger |
| KR20020031671A (en) * | 2000-10-23 | 2002-05-03 | 이계안 | Exhast pipe apparatus |
| CN2924201Y (en) * | 2006-05-30 | 2007-07-18 | 宝山钢铁股份有限公司 | Automatic cutoff and pressure release plunger valve for pressure meter |
| CN102536444A (en) * | 2012-02-07 | 2012-07-04 | 上海交通大学 | Exhaust recirculation system with elastic component |
| CN102562369A (en) * | 2012-02-07 | 2012-07-11 | 上海交通大学 | Exhaust recirculating system controlled by aid of air inlet pressure |
-
2012
- 2012-09-26 CN CN2012103642260A patent/CN102900571A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4239773A1 (en) * | 1992-11-26 | 1994-06-01 | Audi Ag | Control of exhaust feed back in car EGR system - using valve for feed back controlled with inputs from intake air flow and throttle angle |
| US6295814B1 (en) * | 1997-04-23 | 2001-10-02 | Daimlerchrysler Ag | Internal-combustion engine with an exhaust gas turbocharger |
| KR20020031671A (en) * | 2000-10-23 | 2002-05-03 | 이계안 | Exhast pipe apparatus |
| CN2924201Y (en) * | 2006-05-30 | 2007-07-18 | 宝山钢铁股份有限公司 | Automatic cutoff and pressure release plunger valve for pressure meter |
| CN102536444A (en) * | 2012-02-07 | 2012-07-04 | 上海交通大学 | Exhaust recirculation system with elastic component |
| CN102562369A (en) * | 2012-02-07 | 2012-07-11 | 上海交通大学 | Exhaust recirculating system controlled by aid of air inlet pressure |
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Application publication date: 20130130 |