CN103953427A - Electro-hydraulic driving exhaust mechanism - Google Patents
Electro-hydraulic driving exhaust mechanism Download PDFInfo
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- CN103953427A CN103953427A CN201410107994.7A CN201410107994A CN103953427A CN 103953427 A CN103953427 A CN 103953427A CN 201410107994 A CN201410107994 A CN 201410107994A CN 103953427 A CN103953427 A CN 103953427A
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Abstract
The invention aims to provide an electro-hydraulic driving exhaust mechanism. The electro-hydraulic driving exhaust mechanism comprises a hydraulic oil rail, a two-position three-way solenoid valve, a piston bush, a hydraulic piston, a guide sleeve, an exhaust valve, a shell, an exhaust valve seat, an oil return pipe, a hydraulic oil tank and a high pressure hydraulic oil pump. The adopted hydraulic oil rail is beneficial to ensuring the stability of pressures when the exhaust valve is opened and closed, and different exhaust manners can be realized by electronically controlling the solenoid valve, namely exhaust timing can be adjusted according to different working conditions, the exhaust duration angle can also be flexibly controlled, the movement speed and size of a valve element of the solenoid valve can be controlled through the size and direction of input signal of the solenoid valve, and then the supply quantity and discharge quantity of hydraulic oil inside a hydraulic cavity can be conveniently, effectively and flexibly controlled, thus the lift of the exhaust valve can be flexibly controlled, the degree of freedom for controlling the exhaust valve is great, the economical efficiency of fuel and the discharge of an internal combustion engine can be improved further, and the improvement of power performance of the internal combustion engine is facilitated.
Description
Technical field
What the present invention relates to is a kind of motor, the specifically exhaust gear of motor.
Background technique
Vent systems is the important component part of Valve System of Internal Combustion Engine, and its Main Function is, in scheduled time, the waste gas after burning is discharged to firing chamber, and Economy, power of IC engine and the discharge to fuel oil of exhaust timing and exhaust duration all has a significant impact.The distribution device of tradition mechanical type camshaft actuated exhaust valve, the mechanical transmission moving through between bent axle and camshaft and camshaft and each cylinder valve of valve is controlled timing, all the time, this mechanical drive mechanism is proved to be simply, effectively and reliably, but, exhaust valve opening moment, endurance and the valve lift etc. of this exhaust gear are changeless on structural parameter, can only ensure that internal-combustion engine performance under a certain operating mode reaches best, this changes internal-combustion engine frequently to applying working condition is disadvantageous.
Summary of the invention
The object of the present invention is to provide that exhaust timing is controlled, exhaust valve lift and the variable electric liquid of exhaust duration drives exhaust gear.
The object of the present invention is achieved like this:
The present invention's electricity liquid drives exhaust gear, it is characterized in that: comprise hydraulic oil rail, hydraulic oil container, exhaust unit, exhaust unit comprises two-position three way magnetic valve, piston sleeve, hydraulic piston, outlet valve, outlet valve shell, hydraulic piston is arranged in piston sleeve, in piston sleeve, go back mounting spring, guide sleeve, spring is arranged between hydraulic piston upper-end surface and piston sleeve, guide sleeve is fixed on the underpart of piston sleeve, piston sleeve is fixed on outlet valve shell, in outlet valve shell, outlet valve is installed, on outlet valve shell, delivery valve seat is set, the valve rod end of outlet valve is arranged in hydraulic piston, the valve head of outlet valve limits position by delivery valve seat, in piston sleeve, between hydraulic piston and guide sleeve, form hydraulic pressure cavity, the A mouth of two-position three way magnetic valve is communicated with hydraulic pressure cavity by the first hydraulic oil pipe, the P mouth of two-position three way magnetic valve is communicated with hydraulic oil rail by the second hydraulic oil pipe, the T mouth of two-position three way magnetic valve is communicated with hydraulic oil container by return tube, hydraulic oil rail is connected with hydraulic oil container by oil inlet pipe, high-pressure and hydraulic oil pump and filter cleaner are set on oil inlet pipe.
The present invention can also comprise:
1, the quantity of described exhaust unit is identical with number of engine cylinders, in parallel between exhaust unit.
Advantage of the present invention is: the present invention is by the displacement of the control system control two-position three way magnetic valve spool of internal-combustion engine, thereby control break-make and the uninterrupted of two-position three way magnetic valve oil circuit, and then delivery volume and the amount of releasing of control hydraulic pressure cavity inner high voltage hydraulic oil, the hydraulic coupling that makes to act on hydraulic piston changes flexibly, recycling acts on pressure difference on hydraulic piston and outlet valve, and to realize outlet valve motion controlled, finally realize outlet valve exhaust timing by controlling two-position three way magnetic valve, exhaust duration and exhaust valve lift are adjustable, degrees of freedom to outlet valve control is large, can further improve the discharge of internal-combustion engine and the Economy of fuel oil.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Embodiment
For example the present invention is described in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1, the present invention is made up of hydraulic oil rail 1, two-position three way magnetic valve 2, piston sleeve 3, spring 4, hydraulic piston 5, hydraulic pressure cavity 6, guide sleeve 7, outlet valve 8, shell 9, relief opening 10, delivery valve seat 11, return tube 12, hydraulic oil container 13, filter cleaner 14 and high-pressure and hydraulic oil pump 15.It is characterized in that: hydraulic oil rail 1 left end by hydraulic oil pipe respectively with high-pressure and hydraulic oil pump 15, filter cleaner 14 and hydraulic oil container 13 are connected, on hydraulic oil rail 1 rail, have multiple hydraulic oil outlets, hydraulic oil outlet is connected with two-position three way magnetic valve 2P mouth by hydraulic oil pipe, two-position three way magnetic valve 2T mouth is connected with hydraulic oil container 13 by return tube 12, two-position three way magnetic valve 2A mouth is connected with the oil inlet and oil return mouth having on piston sleeve 3 by hydraulic oil pipe, oil inlet and oil return mouth is communicated with hydraulic pressure cavity 6, spring 4 is because the pressure-acting of the high pressure liquid force feed in hydraulic pressure cavity 6 is forced between piston sleeve 3 upper ends and hydraulic piston 5 upper-end surfaces, outlet valve 8 valve rod upper ends tighten in hydraulic piston 5, hydraulic piston 5 can reciprocatingly slide in piston sleeve 3, hydraulic piston 5 is synchronized with the movement with outlet valve 8, guide sleeve 7 is fixed on shell 9, outlet valve 8 valve rods can move up and down in guide sleeve 7, delivery valve seat 11 limits the moving displacement of outlet valve 8.
Fig. 1 is the overall structure schematic diagram that the present invention's electricity liquid drives exhaust gear, comprises hydraulic oil rail 1, two-position three way magnetic valve 2, piston sleeve 3, spring 4, hydraulic piston 5, hydraulic pressure cavity 6, guide sleeve 7, outlet valve 8, shell 9, relief opening 10, delivery valve seat 11, return tube 12, hydraulic oil container 13, filter cleaner 14 and high-pressure and hydraulic oil pump 15.Hydraulic oil rail 1 left end by hydraulic oil pipe respectively with high-pressure and hydraulic oil pump 15, filter cleaner 14 and hydraulic oil container 13 are connected, on hydraulic oil rail 1 rail, have multiple hydraulic oil outlets, the number of hydraulic oil outlet is determined according to the number of cylinder of internal-combustion engine, as shown in Figure 1, schematic diagram while being used for four-cylinder internal combustion engine for the present invention, hydraulic oil outlet is connected with two-position three way magnetic valve 2P mouth by hydraulic oil pipe, two-position three way magnetic valve 2T mouth is connected with hydraulic oil container 13 by return tube 12, two-position three way magnetic valve 2A mouth is connected with the oil inlet and oil return mouth having on piston sleeve 3 by hydraulic oil pipe, oil inlet and oil return mouth is communicated with hydraulic pressure cavity 6, spring 4 is because the pressure-acting of the high pressure liquid force feed in hydraulic pressure cavity 6 is forced between piston sleeve 3 upper ends and hydraulic piston 5 upper-end surfaces, outlet valve 8 valve rod upper ends tighten in hydraulic piston 5, hydraulic piston 5 is synchronized with the movement along with outlet valve 8 opens and closes with outlet valve 8, guide sleeve 7 is fixed on shell 9, outlet valve 8 valve rods can move up and down in guide sleeve 7, delivery valve seat 11 limits the motion lift of outlet valve 8.As shown in Figure 1, when the present invention is used for four-cylinder internal combustion engine, hydraulic oil in hydraulic oil container 13 flow through hydraulic oil pipe flow into filter cleaner 14, hydraulic oil after filtering flows into high-pressure and hydraulic oil pump 15 by hydraulic oil pipe, and be supercharged to certain pressure in high-pressure and hydraulic oil pump 15, enter hydraulic oil pipe from the high pressure liquid force feed of high-pressure and hydraulic oil pump 15 interior outflows and flowed into hydraulic oil rail 1, and keep storage of higher pressures in hydraulic oil rail 1, as shown in Figure 1, two-position three way magnetic valve 2 is in upper, it is the conducting of two-position three way magnetic valve 2PA oil circuit, now, the hydraulic oil outlet of high pressure liquid force feed in hydraulic oil rail 1 through having on hydraulic oil rail 1, the two-position three way magnetic valve 2PA oil circuit of flowing through, flow in hydraulic pressure cavity 6 by hydraulic oil pipe, the gentle gas in the jar of hydraulic pressure of the high pressure liquid force feed being flowed into due to hydraulic piston 5 lower surfaces upwards pressure and is greater than spring 4 to the downward elastic force effect of hydraulic piston 5 outlet valve 8, so, now, outlet valve 8 moves upward together with hydraulic piston 5, until outlet valve 8 is taken a seat to delivery valve seat 11, when receiving from the outlet valve 8 of internal combustion engine electronic-control unit, opens after the signal of exhaust two-position three way magnetic valve 2, two-position three way magnetic valve 2 valve core movements, two-position three way magnetic valve 2 is transformed into the next, now, the PA oil circuit of two-position three way magnetic valve 2 cuts off, the conducting of two-position three way magnetic valve 2AT path, high pressure liquid force feed in hydraulic pressure cavity 6 is passed through hydraulic oil pipe, the two-position three way magnetic valve 2AT stream of flowing through, flow back in hydraulic oil container 13 by return tube 12, due to releasing of high pressure liquid force feed, pressure in hydraulic pressure cavity 6 reduces rapidly, now, the gentle gas in the jar of hydraulic pressure of the hydraulic oil that hydraulic piston 5 lower surfaces are subject to upwards pressure and is less than spring 4 to the downward elastic force effect of hydraulic piston 5 outlet valve 8, hydraulic piston 5 moves downward together with outlet valve 8, outlet valve 8 is opened, waste gas in cylinder is discharged by relief opening 10, when receiving from the outlet valve 8 of internal combustion engine electronic-control unit, finishes after the signal of exhaust two-position three way magnetic valve 2, two-position three way magnetic valve 2 valve core movements, two-position three way magnetic valve 2 is transformed into upper, now, the AT oil circuit of two-position three way magnetic valve 2 cuts off, the conducting of two-position three way magnetic valve 2PA path, high pressure liquid force feed in hydraulic oil rail 1 flows into hydraulic pressure cavity 6 by two-position three way magnetic valve 2 again, the interior high-pressure field of setting up rapidly of hydraulic pressure cavity 6, now, the gentle gas in the jar of hydraulic pressure of the hydraulic oil that hydraulic piston 5 lower surfaces are subject to upwards pressure and is again greater than spring 4 to the downward elastic force effect of hydraulic piston 5 outlet valve 8, outlet valve 8 moves upward together with hydraulic piston 5 until outlet valve 8 is closed, exhaust finishes.Shown in Fig. 1, be the schematic diagram of the present invention when the four-cylinder internal combustion engine, can adjust flexibly according to cylinder of internal-combustion engine number the number of hydraulic oil outlet, two-position three way magnetic valve 2 and outlet valve 8 etc. on discharge opeing force feed rail 1 of the present invention.When the present invention adopts hydraulic oil rail 1 to be conducive to ensure outlet valve 8 opening and closing, hydraulic fluid pressure is stable, reduce the unstability that while switching due to two-position three way magnetic valve 2 oil circuits, hydraulic oil pressure fluctuation causes outlet valve 8 to work, by electronic control two-position three way magnetic valve 2, can realize different exhaust modes, both can be according to different regulating working conditions exhaust timings, can control flexibly again exhaust duration, can control travelling speed and the size of two-position three way magnetic valve 2 spools by the size and Orientation of two-position three way magnetic valve 2 input signals, and then can be convenient, effectively, control flexibly delivery volume and the amount of releasing of hydraulic pressure cavity 6 interior hydraulic oil, thereby can control flexibly the lift of outlet valve 8, can further improve Economy and the engine exhaust of fuel, be conducive to improve the power performance of internal-combustion engine.
Electricity liquid drives exhaust gear to comprise hydraulic oil rail, two-position three way magnetic valve, piston sleeve, spring, hydraulic piston, hydraulic pressure cavity, guide sleeve, outlet valve, shell, relief opening, delivery valve seat, return tube, hydraulic oil container, filter cleaner and high-pressure and hydraulic oil pump.Hydraulic oil rail left end by hydraulic oil pipe respectively with high-pressure and hydraulic oil pump, filter cleaner and hydraulic oil container are connected, on hydraulic oil rail rail, have multiple hydraulic oil outlets, hydraulic oil outlet is connected with two-position three way magnetic valve P mouth by hydraulic oil pipe, two-position three way magnetic valve T mouth is connected with hydraulic oil container by return tube, two-position three way magnetic valve A mouth is connected with the oil inlet and oil return mouth having on piston sleeve by hydraulic oil pipe, oil inlet and oil return mouth is communicated with hydraulic pressure cavity, spring is because the pressure-acting of the high pressure liquid force feed in hydraulic pressure cavity is forced into piston sleeve upper end and hydraulic piston upper-end surface, air discharging valve bar upper end tightens in hydraulic piston, hydraulic piston can slide up and down in piston sleeve, hydraulic piston and outlet valve are synchronized with the movement, guide sleeve is fixed on shell, air discharging valve bar can move up and down in guide sleeve, the moving displacement of delivery valve seat restriction outlet valve.
The quantity of two-position three way magnetic valve, piston sleeve, spring, hydraulic piston, hydraulic pressure cavity, guide sleeve, outlet valve, shell, relief opening and delivery valve seat is identical with cylinder of internal-combustion engine quantity.
Claims (2)
1. electric liquid drives exhaust gear, it is characterized in that: comprise hydraulic oil rail, hydraulic oil container, exhaust unit, exhaust unit comprises two-position three way magnetic valve, piston sleeve, hydraulic piston, outlet valve, outlet valve shell, hydraulic piston is arranged in piston sleeve, in piston sleeve, go back mounting spring, guide sleeve, spring is arranged between hydraulic piston upper-end surface and piston sleeve, guide sleeve is fixed on the underpart of piston sleeve, piston sleeve is fixed on outlet valve shell, in outlet valve shell, outlet valve is installed, on outlet valve shell, delivery valve seat is set, the valve rod end of outlet valve is arranged in hydraulic piston, the valve head of outlet valve limits position by delivery valve seat, in piston sleeve, between hydraulic piston and guide sleeve, form hydraulic pressure cavity, the A mouth of two-position three way magnetic valve is communicated with hydraulic pressure cavity by the first hydraulic oil pipe, the P mouth of two-position three way magnetic valve is communicated with hydraulic oil rail by the second hydraulic oil pipe, the T mouth of two-position three way magnetic valve is communicated with hydraulic oil container by return tube, hydraulic oil rail is connected with hydraulic oil container by oil inlet pipe, high-pressure and hydraulic oil pump and filter cleaner are set on oil inlet pipe.
2. electric liquid according to claim 1 drives exhaust gear, it is characterized in that: the quantity of described exhaust unit is identical with number of engine cylinders, in parallel between exhaust unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410107994.7A CN103953427A (en) | 2014-03-21 | 2014-03-21 | Electro-hydraulic driving exhaust mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410107994.7A CN103953427A (en) | 2014-03-21 | 2014-03-21 | Electro-hydraulic driving exhaust mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN103953427A true CN103953427A (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410107994.7A Pending CN103953427A (en) | 2014-03-21 | 2014-03-21 | Electro-hydraulic driving exhaust mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756739A (en) * | 2016-05-04 | 2016-07-13 | 哈尔滨工程大学 | Electromagnetic hydraulic driven type gas distribution system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3520215A1 (en) * | 1985-06-05 | 1986-09-11 | Herbert Dipl.-Ing. 8000 München Gohle | Device for reducing the throttle losses in piston engines under partial load by phase control of the valves |
| GB2263942A (en) * | 1990-10-16 | 1993-08-11 | Lotus Car | Valve control apparatus |
| DE102005002385A1 (en) * | 2005-01-19 | 2006-07-20 | Robert Bosch Gmbh | Electrohydraulic operating cylinder controlling method for actuation of charge-cycle valve, involves obtaining actual upstroke of cylinder based on control signals that depend on control factor and hydraulic oil operating parameter |
| CN101608560A (en) * | 2008-08-20 | 2009-12-23 | 浙江科技学院 | A kind of engine air distribution system of electric liquid Comprehensive Control |
| CN202926416U (en) * | 2012-11-07 | 2013-05-08 | 广西玉柴机器股份有限公司 | Electric control hydraulic air distribution system for engine |
-
2014
- 2014-03-21 CN CN201410107994.7A patent/CN103953427A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3520215A1 (en) * | 1985-06-05 | 1986-09-11 | Herbert Dipl.-Ing. 8000 München Gohle | Device for reducing the throttle losses in piston engines under partial load by phase control of the valves |
| GB2263942A (en) * | 1990-10-16 | 1993-08-11 | Lotus Car | Valve control apparatus |
| DE102005002385A1 (en) * | 2005-01-19 | 2006-07-20 | Robert Bosch Gmbh | Electrohydraulic operating cylinder controlling method for actuation of charge-cycle valve, involves obtaining actual upstroke of cylinder based on control signals that depend on control factor and hydraulic oil operating parameter |
| CN101608560A (en) * | 2008-08-20 | 2009-12-23 | 浙江科技学院 | A kind of engine air distribution system of electric liquid Comprehensive Control |
| CN202926416U (en) * | 2012-11-07 | 2013-05-08 | 广西玉柴机器股份有限公司 | Electric control hydraulic air distribution system for engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756739A (en) * | 2016-05-04 | 2016-07-13 | 哈尔滨工程大学 | Electromagnetic hydraulic driven type gas distribution system |
| CN105756739B (en) * | 2016-05-04 | 2018-05-18 | 哈尔滨工程大学 | Electromagnetic hydraulic pressure drive-type air distribution system |
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Application publication date: 20140730 |