CN105545537A - Low-pressure gas recirculation regulating system - Google Patents
Low-pressure gas recirculation regulating system Download PDFInfo
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- CN105545537A CN105545537A CN201510969504.9A CN201510969504A CN105545537A CN 105545537 A CN105545537 A CN 105545537A CN 201510969504 A CN201510969504 A CN 201510969504A CN 105545537 A CN105545537 A CN 105545537A
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- extrusion
- gas recirculation
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Abstract
The invention discloses a low-pressure gas recirculation regulating system and belongs to the technical field of mechanical design. The low-pressure gas recirculation regulating system comprises a regulating body, a rotating shaft, a rotating body, a stretching body, a centrifugal body, a ball, a pull rod, springs and a regulating pipe. The rotating shaft and the rotating body are fixedly connected. Both the stretching body and the centrifugal body are arranged in the rotating body. The ball is inlaid in the stretching body. One side wall of the centrifugal body makes contact with the stretching body through the ball, and the other side wall of the centrifugal body is connected with the inner wall surface of the rotating body through the first spring. The top of the stretching body is connected with the inner wall surface connected with the inner wall surface of the rotating body through the second spring. According to the low-pressure gas recirculation regulating system, when the rotating speed of an engine is high, a regulating plate moves upwards, and the exhaust gas recirculation rate of the engine is high; when the rotating speed of the engine is low, the regulating plate moves downwards, and the exhaust gas recirculation rate of the engine is low. The low-pressure gas recirculation regulating system is reasonable in design, simple in structure and suitable for optimal design of a waste gas recirculation system.
Description
Technical field
What the present invention relates to is a kind of low-pressure gas recirculation regulating system, particularly a kind of low-pressure gas recirculation regulating system being applicable to exhaust gas recycling system of technical field of mechanical design.
Background technique
The noxious emission of motor is the main source causing 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 remains high, and the Economy of diesel-oil vehicle is outstanding day by day, and this makes diesel engine in power train in vehicle application in occupation of more and more consequence.So carry out the research of Harmful Emissions of Diesel Engine controlling method, it is the top priority of the person that is engaged in Design Technology for Diesels.Exhaust gas recycling system is that the sub-fraction of the waste gas produced by diesel engine sends cylinder back to again.Exhaust gas recirculation will retarded combustion process owing to having inertia, and that is velocity of combustion will slow down thus cause the pressure initiation process in firing chamber to slow down, main cause that oxynitrides can reduce that Here it is.In addition, improve ER EGR Rate and total extraction flow can be made to reduce, therefore total in toxic emission 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 high-speed working condition, motor needs less exhaust gas recirculation rate, to improve the power character of motor.
Through finding the retrieval of prior art document, China Patent No. ZL200410063439.5, patent name: electronic EGR gas control system, this patented technology provides a kind of device controlling engine exhaust recirculation rate, can take into account high speed conditions in motor preferably; But its exhaust gas recirculation rate change be realized 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, provide a kind of low-pressure gas recirculation regulating system, exhaust gas recirculation rate can be made to carry out self-control according to engine speed.
The present invention is achieved through the following technical solutions, the present invention includes suction tude, air filter, gas compressor, motor, outlet pipe, turbine, catalysis bag, bypass tube, control agent, running shaft, solid of rotation, extrusion, centrifugal body, ball, pull bar, regulator plate, first spring, second spring, adjutage, 3rd spring, the intake and exhaust port of motor respectively with suction tude, outlet pipe is connected, air filter, gas compressor is connected in turn in suction tude, turbine, catalysis bag is connected in turn on outlet pipe, one end of bypass tube and air filter, suction tude between gas compressor is connected, the other end of bypass tube and turbine, outlet pipe between catalysis bag is connected, and control agent is arranged on bypass tube, and regulator plate to be arranged in control agent and to seal with the internal face of control agent and contacts, and running shaft and solid of rotation are consolidated, extrusion, centrifugal body is arranged in a rotating body, ball is embedded in extrusion, one sidewall of centrifugal body is contacted with extrusion by ball, another sidewall of centrifugal body is connected with the internal face of solid of rotation by the first spring, the internal face that the top of extrusion is connected with the internal face of solid of rotation by the second spring is connected, one end of pull bar is connected with the bottom surface of extrusion, other one end of pull bar is connected with the upper-end surface of regulator plate through after the upper wall surface of control agent, running shaft is connected with engine crankshaft by chain, the longitudinal section of extrusion is trapezoidal, one end of adjutage is connected with the outlet pipe before turbine, the other end of adjutage is connected with the control agent internal cavity of regulator plate upper end, and the lower end surface of regulator plate is connected with the bottom of control agent by the 3rd spring.
Further, centrifugal body, ball are array-type and arrange in the present invention, and the cross section of solid of rotation internal cavity is round, and the cross section of extrusion is round, and the cross section of centrifugal body, regulator plate is rectangular.
Compared with prior art, the present invention has following beneficial effect and is: the present invention is reasonable in design, and structure is simple; Exhaust gas recirculation rate can carry out continuously adjustabe according to engine speed, thus takes into account the various operating conditionss of motor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
The partial enlarged drawing of Fig. 2 Fig. 1;
Fig. 3 is the structural representation of A-A section in Fig. 1;
Fig. 4 is the structural representation of B-B section in Fig. 1;
Wherein: 1, suction tude, 2, air filter, 3, gas compressor, 4, motor, 5, outlet pipe, 6, turbine, 7, catalysis bag, 8, bypass tube, 9, control agent, 10, running shaft, 11, solid of rotation, 12, extrusion, 13, centrifugal body, 14, ball, 15, pull bar, 16, regulator plate, the 17, first spring, 18, the second spring, 19, adjutage, the 20, the 3rd spring.
Embodiment
Elaborate to embodiments of the invention below in conjunction with accompanying drawing, the present embodiment, premised on technical solution of the present invention, give 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 Figures 1 to 4, the present invention includes suction tude 1, air filter 2, gas compressor 3, motor 4, outlet pipe 5, turbine 6, catalysis bag 7, bypass tube 8, control agent 9, running shaft 10, solid of rotation 11, extrusion 12, centrifugal body 13, ball 14, pull bar 15, regulator plate 16, first spring 17, second spring 18, adjutage 19, 3rd spring 20, the intake and exhaust port of motor 4 respectively with suction tude 1, outlet pipe 5 is connected, air filter 2, gas compressor 3 is connected in turn in suction tude 1, turbine 6, catalysis bag 7 is connected in turn on outlet pipe 5, one end of bypass tube 8 and air filter 2, suction tude between gas compressor 3 is connected, the other end of bypass tube 8 and turbine 6, outlet pipe 5 between catalysis bag 7 is connected, and control agent 9 is arranged on bypass tube 8, and regulator plate 16 to be arranged in control agent 9 and seal with the internal face of control agent 9 and contacts, and running shaft 10 and solid of rotation 11 are consolidated, extrusion 12, centrifugal body 13 is arranged in solid of rotation 11, ball 14 is embedded in extrusion 12, one sidewall of centrifugal body 13 is contacted with extrusion 12 by ball 14, another sidewall of centrifugal body 13 is connected with the internal face of solid of rotation 11 by the first spring 17, the internal face that the top of extrusion 12 is connected with the internal face of solid of rotation 11 by the second spring 18 is connected, one end of pull bar 15 is connected with the bottom surface of extrusion 12, other one end of pull bar 15 is connected with the upper-end surface of regulator plate 16 through after the upper wall surface of control agent 9, running shaft 10 is connected with engine crankshaft by chain, the longitudinal section of extrusion 12 is trapezoidal, one end of adjutage 19 is connected with the outlet pipe 5 before turbine 6, the other end of adjutage 19 is connected with control agent 9 internal cavity of regulator plate 16 upper end, the lower end surface of regulator plate 16 is connected with the bottom of control agent 9 by the 3rd spring 20, centrifugal body 13, ball 14 are array-type and arrange, the cross section of solid of rotation 11 internal cavity is round, and the cross section of extrusion 12 is round, and the cross section of centrifugal body 13, regulator plate 16 is rectangular.
In implementation process of the present invention, running shaft 10 is connected with engine crankshaft by chain.When motor 4 rotating speed is higher, the rotational speed of solid of rotation 11 is also higher, under the left and right of centrifugal force, centrifugal body 13 outwards moves and compresses the first spring 17, extrusion 12 moves up under the effect of the second spring 18, thus making pull bar 15 drive regulator plate 16 to move up, the exhaust gas recirculation rate of motor 4 is higher.In like manner, when the rotating speed of motor 4 is less, under about the elastic force of the first spring 17, centrifugal body 13 moves inward, thus makes pull bar 15 drive regulator plate 16 to move down, and the exhaust gas recirculation rate of motor 4 is lower.Under the effect of adjutage 19, the 3rd spring 20, the movement of regulator plate 16 is smoother.
Claims (2)
1. a low-pressure gas recirculation regulating system, comprise suction tude (1), air filter (2), gas compressor (3), motor (4), outlet pipe (5), turbine (6), catalysis bag (7), the intake and exhaust port of motor (4) respectively with suction tude (1), outlet pipe (5) is connected, air filter (2), gas compressor (3) is connected in turn in suction tude (1), turbine (6), catalysis bag (7) is connected in turn on outlet pipe (5), it is characterized in that, also comprise bypass tube (8), control agent (9), running shaft (10), solid of rotation (11), extrusion (12), centrifugal body (13), ball (14), pull bar (15), regulator plate (16), first spring (17), second spring (18), adjutage (19), 3rd spring (20), one end of bypass tube (8) and air filter (2), suction tude between gas compressor (3) is connected, the other end of bypass tube (8) and turbine (6), outlet pipe (5) between catalysis bag (7) is connected, control agent (9) is arranged on bypass tube (8), regulator plate (16) to be arranged in control agent (9) and to seal with the internal face of control agent (9) and contacts, running shaft (10) and solid of rotation (11) are consolidated, extrusion (12), centrifugal body (13) is arranged in solid of rotation (11), ball (14) is embedded in extrusion (12), one sidewall of centrifugal body (13) is contacted with extrusion (12) by ball (14), another sidewall of centrifugal body (13) is connected by the internal face of the first spring (17) with solid of rotation (11), the internal face that the top of extrusion (12) is connected with the internal face of solid of rotation (11) by the second spring (18) is connected, one end of pull bar (15) is connected with the bottom surface of extrusion (12), other one end of pull bar (15) is connected with the upper-end surface of regulator plate (16) through after the upper wall surface of control agent (9), running shaft (10) is connected with engine crankshaft by chain, the longitudinal section of extrusion (12) is trapezoidal, the outlet pipe (5) that one end of adjutage (19) is front with turbine (6) is connected, the other end of adjutage (19) is connected with control agent (9) internal cavity of regulator plate (16) upper end, the lower end surface of regulator plate (16) is connected with the bottom of control agent (9) by the 3rd spring (20).
2. low-pressure gas recirculation regulating system according to claim 1, it is characterized in that centrifugal body (13), ball (14) be array-type arrange, the cross section of solid of rotation (11) internal cavity is round, the cross section of extrusion (12) is round, and the cross section of centrifugal body (13), regulator plate (16) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969504.9A CN105545537A (en) | 2015-12-21 | 2015-12-21 | Low-pressure gas recirculation regulating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969504.9A CN105545537A (en) | 2015-12-21 | 2015-12-21 | Low-pressure gas recirculation regulating system |
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| CN105545537A true CN105545537A (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510969504.9A Pending CN105545537A (en) | 2015-12-21 | 2015-12-21 | Low-pressure gas recirculation regulating system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050398A (en) * | 2016-05-31 | 2016-10-26 | 上海交通大学 | Centrifugal rotating system driven by crankshaft |
| CN106089515A (en) * | 2016-05-31 | 2016-11-09 | 上海交通大学 | Naturally aspirated engine air inlet pipe volume control system |
| CN106939827A (en) * | 2017-03-30 | 2017-07-11 | 上海交通大学 | Turbo charge system with low pressure EGR |
| CN106979099A (en) * | 2017-03-30 | 2017-07-25 | 上海交通大学 | ER EGR Rate active system for tracking |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007046552A (en) * | 2005-08-10 | 2007-02-22 | Kubota Corp | Mechanical valve opening amount controller for exhaust gas recirculation valve (egr valve) of engine |
| CN102536524A (en) * | 2012-02-07 | 2012-07-04 | 上海交通大学 | Exhaust-pressure regulated exhaust-gas recirculating system |
| CN202756124U (en) * | 2012-07-12 | 2013-02-27 | 上海交通大学 | Up-and-down moving device of moving body |
| CN103573477A (en) * | 2013-09-24 | 2014-02-12 | 上海交通大学 | Flow control system with area-adjustable throat part |
| CN105020060A (en) * | 2015-07-17 | 2015-11-04 | 上海交通大学 | Throttling maximum temperature adjusting device |
-
2015
- 2015-12-21 CN CN201510969504.9A patent/CN105545537A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007046552A (en) * | 2005-08-10 | 2007-02-22 | Kubota Corp | Mechanical valve opening amount controller for exhaust gas recirculation valve (egr valve) of engine |
| CN102536524A (en) * | 2012-02-07 | 2012-07-04 | 上海交通大学 | Exhaust-pressure regulated exhaust-gas recirculating system |
| CN202756124U (en) * | 2012-07-12 | 2013-02-27 | 上海交通大学 | Up-and-down moving device of moving body |
| CN103573477A (en) * | 2013-09-24 | 2014-02-12 | 上海交通大学 | Flow control system with area-adjustable throat part |
| CN105020060A (en) * | 2015-07-17 | 2015-11-04 | 上海交通大学 | Throttling maximum temperature adjusting device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050398A (en) * | 2016-05-31 | 2016-10-26 | 上海交通大学 | Centrifugal rotating system driven by crankshaft |
| CN106089515A (en) * | 2016-05-31 | 2016-11-09 | 上海交通大学 | Naturally aspirated engine air inlet pipe volume control system |
| CN106939827A (en) * | 2017-03-30 | 2017-07-11 | 上海交通大学 | Turbo charge system with low pressure EGR |
| CN106979099A (en) * | 2017-03-30 | 2017-07-25 | 上海交通大学 | ER EGR Rate active system for tracking |
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Application publication date: 20160504 |