CN105840358A - Low-pressure gas circulation rotating speed regulating system - Google Patents
Low-pressure gas circulation rotating speed regulating system Download PDFInfo
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- CN105840358A CN105840358A CN201610178664.6A CN201610178664A CN105840358A CN 105840358 A CN105840358 A CN 105840358A CN 201610178664 A CN201610178664 A CN 201610178664A CN 105840358 A CN105840358 A CN 105840358A
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Abstract
The invention discloses a low-pressure gas circulation rotating speed regulating system in the technical field of mechanical design. The low-pressure gas circulation rotating speed regulating system comprises a regulating body, a rotating shaft, a rotating body, a stretching body, centrifugal bodies, balls, a pull rod and springs. The rotating shaft and the rotating body are fixed together; the stretching body and the centrifugal bodies are arranged in the rotating body; the balls are inlaid into the stretching body; one side walls of the centrifugal bodies make contact with the stretching body through the balls, and the other side walls of the centrifugal bodies are connected with the inner wall surface of the rotating body through the first springs; and the top of the stretching body is connected with the inner wall surface of the rotating body through the second springs. According to the low-pressure gas circulation rotating speed regulating system, when the rotating speed of an engine is high, a rotating plate rotates clockwise, and the high-pressure exhaust recirculation rate of the engine is high; and when the rotating speed of the engine is low, the rotating plate rotates counterclockwise, and the high-pressure exhaust recirculation rate of the engine is low. The low-pressure gas circulation rotating speed regulating system is reasonable in design, simple in structure and applicable to optimal design of an engine high-pressure exhaust gas recirculation system.
Description
Technical field
The present invention relates to the low-pressure gas circulation speed adjustment system of a kind of technical field of mechanical design, a kind of low-pressure gas circulation speed adjustment system being applicable to high pressure gas recirculating system.
Background technology
The noxious emission of electromotor is the main source causing atmospheric pollution, along with the importance of environmental protection problem increases increasingly, reduces this target of Engine's Harmful Emission and becomes an important directions of 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 vehicle is outstanding day by day, and this makes diesel engine in occupation of increasingly consequence in power train in vehicle application.So carrying out the research of Harmful Emissions of Diesel Engine control method, it 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 again back to.EGR gas will retarded combustion process owing to having inertia, say, that burning velocity will slow down thus cause the pressure initiation process in combustor to slow down, here it is the main cause that oxynitride can reduce.Total extraction flow can be made to reduce it addition, improve ER EGR Rate, therefore in waste gas discharge, total pollutant output will reduce relatively.When middling speed operating mode, electromotor needs bigger exhaust gas recirculation rate, to reduce row's temperature, reduces and pollutes；When high-speed working condition, electromotor needs less exhaust gas recirculation rate, to improve the dynamic property of electromotor.
Through the retrieval of prior art literature is found, 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 preferably take into account high speed conditions in electromotor；But its exhaust gas recirculation rate?Change is to be realized by special control structure, so that control system change is more complicated.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, it is provided that a kind of low-pressure gas circulation speed adjustment system, high pressure gas recirculation rate can be made to carry out self regulation according to engine speed.
nullThe present invention is achieved through the following technical solutions，The present invention includes air inlet pipe、Air filter、Compressor、Electromotor、Exhaustor、Turbine、Catalysis bag、Exhaust gas recirculatioon pipe、Adjusting rod、Rotary shaft、Rotary body、Extrusion、Centrifugal body、Ball、Pull bar、Regulation axle、First spring、Second spring、Swivel plate、3rd spring、Fixing bar、4th spring，The entering and exhaust channel of electromotor respectively with air inlet pipe、Exhaustor is connected，Air filter、Compressor is connected in turn in air inlet pipe，Turbine、Catalysis bag is connected in turn on exhaustor，Rotary shaft is consolidated with rotary body，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 rotary body by the first spring，The top of extrusion is connected with the internal face of rotary body by the second spring，Rotary shaft is connected with engine crankshaft by chain，The longitudinal section of extrusion is trapezoidal，The upper end of pull bar is hinged with the lower end of extrusion after passing rotary body lower wall surface，Regulation axle is embedded on the lower wall of exhaust gas recirculatioon pipe，Swivel plate is arranged in exhaust gas recirculatioon pipe inside and is consolidated with regulation axle，The lower end of pull bar is hinged with one end of adjusting rod，The other end of adjusting rod is together with one end consolidation of regulation axle，The cross section of swivel plate is rectangle，One end of exhaust gas recirculatioon pipe and air filter、Air inlet pipe between compressor is connected，The other end of exhaust gas recirculatioon pipe and turbine、Exhaustor between catalysis bag is connected，The two ends of the 3rd spring respectively with swivel plate、Exhaust gas recirculatioon pipe is connected，Fixing bar is consolidated with pull bar，The two ends of the 4th spring respectively with pull bar、Exhaust gas recirculatioon pipe links together.
Further, being centrifuged body in the present invention, ball is array and arranges, the cross section of rotary body internal cavity is round, and the cross section of extrusion is round, and the cross section of centrifugal body is rectangle.
Compared with prior art, the present invention have the advantages that into: the present invention is reasonable in design, simple in construction, easy to control；The high pressure gas recirculation rate of electromotor can carry out continuously adjustabe according to engine speed, thus takes into account the various operating conditions of electromotor.
Accompanying drawing explanation
Figure 1Structural representation for the present inventionFigure；
Figure 2 Figure 1Partial enlargementFigure；
Figure 3For the section of exhaust gas recirculatioon pipe in the present inventionFigure；
Figure 4ForFigure 1The structural representation of middle A-A sectionFigure；
Figure 5ForFigure 1The structural representation of middle B-B sectionFigure；
Wherein: 1, air inlet pipe, 2, air filter, 3, compressor, 4, electromotor, 5, exhaustor, 6, turbine, 7, catalysis bag, 8, exhaust gas recirculatioon pipe, 9, adjusting rod, 10, rotary shaft, 11, rotary body, 12, extrusion, 13, centrifugal body, 14, ball, 15, pull bar, 16, regulation axle, 17, the first spring, the 18, second spring, 19, swivel plate, 20, the 3rd spring, 21, fixing bar, the 22, the 4th spring.
Detailed description of the invention
Below in conjunction withAccompanying drawingElaborating embodiments of the invention, the present embodiment, premised on technical solution of the present invention, gives detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment
Such as figure 1ExtremelyFigure 5nullShown in，The present invention includes air inlet pipe 1、Air filter 2、Compressor 3、Electromotor 4、Exhaustor 5、Turbine 6、Catalysis bag 7、Exhaust gas recirculatioon pipe 8、Adjusting rod 9、Rotary shaft 10、Rotary body 11、Extrusion 12、Centrifugal body 13、Ball 14、Pull bar 15、Regulation axle 16、First spring 17、Second spring 18、Swivel plate 19、3rd spring 20、Fixing bar 21、4th spring 22，The entering and exhaust channel of electromotor 4 respectively with air inlet pipe 1、Exhaustor 5 is connected，Air filter 2、Compressor 3 is connected in turn in air inlet pipe 1，Turbine 6、Catalysis bag 7 is connected in turn on exhaustor 5，Rotary shaft 10 is consolidated with rotary body 11，Extrusion 12、Centrifugal body 13 is arranged in rotary body 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 rotary body 11 by the first spring 17，The top of extrusion 12 is connected with the internal face of rotary body 11 by the second spring 18，Rotary shaft 10 is connected with engine crankshaft by chain，The longitudinal section of extrusion 12 is trapezoidal，The upper end of pull bar 15 is hinged with the lower end of extrusion 12 after passing rotary body 11 lower wall surface，Regulation axle 16 is embedded on the lower wall of exhaust gas recirculatioon pipe 8，Swivel plate 19 is arranged in exhaust gas recirculatioon pipe 8 inside and is consolidated with regulation axle 16，The lower end of pull bar 15 is hinged with one end of adjusting rod 9，The other end of adjusting rod 9 is together with one end consolidation of regulation axle 16，The cross section of swivel plate 19 is rectangle，One end of exhaust gas recirculatioon pipe 8 and air filter 2、Air inlet pipe 1 between compressor 3 is connected，The other end of exhaust gas recirculatioon pipe 8 and turbine 6、Exhaustor 5 between catalysis bag 7 is connected，The two ends of the 3rd spring 20 respectively with swivel plate 19、Exhaust gas recirculatioon pipe 8 is connected，Fixing bar 21 is consolidated with pull bar 15，The two ends of the 4th spring 22 respectively with pull bar 15、Exhaust gas recirculatioon pipe 8 links together；Centrifugal body 13, ball 14 are array and arrange, the cross section of rotary body 11 internal cavity is round, and the cross section of extrusion 12 is round, and the cross section of centrifugal body 13 is rectangle.
In the implementation process of the present invention, rotary shaft 10 is connected with engine crankshaft by chain.When electromotor 4 rotating speed is higher, the rotary speed of rotary body 11 is the highest, under the left and right of centrifugal force, centrifugal body 13 is displaced outwardly and compresses the first spring 17, extrusion 12 moves up under the effect of the second spring 18, so that pull bar 15 drives adjusting rod 9, regulation axle 16, swivel plate 19 to turn clockwise together, the exhaust gas recirculation rate of electromotor 4 is higher.In like manner, when the rotating speed of electromotor 4 is less, about the elastic force of the first spring 17 under centrifugal body 13 move inward so that pull bar 15 drives adjusting rod 9, regulation axle 16, swivel plate 19 to rotate the most counterclockwise, the exhaust gas recirculation rate of electromotor 4 is relatively low.
Claims (2)
1. low-pressure gas circulation a speed adjustment system, including air inlet pipe (1), air filter (2), compressor (3),
Electromotor (4), exhaustor (5), turbine (6), catalysis bag (7), the entering and exhaust channel of electromotor (4) respectively with enter
Trachea (1), exhaustor (5) are connected, and air filter (2), compressor (3) are connected in turn in air inlet pipe (1),
Turbine (6), catalysis bag (7) are connected in turn on exhaustor (5), it is characterised in that also include exhaust gas recirculatioon pipe
(8), adjusting rod (9), rotary shaft (10), rotary body (11), extrusion (12), centrifugal body (13), ball (14),
Pull bar (15), regulation axle (16), the first spring (17), the second spring (18), swivel plate (19), the 3rd spring
(20), fixing bar (21), the 4th spring (22), rotary shaft (10) is consolidated with rotary body (11), draws
Stretch body (12), centrifugal body (13) is arranged in rotary body (11), and ball (14) is embedded in extrusion (12)
On, a sidewall of centrifugal body (13) is contacted with extrusion (12) by ball (14), is centrifuged the another of body (13)
One sidewall is connected by the internal face of the first spring (17) with rotary body (11), and the top of extrusion (12) is passed through
Second spring (18) is connected with the internal face of rotary body (11), and rotary shaft (10) passes through chain and engine crankshaft
Being connected, the longitudinal section of extrusion (12) is trapezoidal, after the upper end of pull bar (15) passes rotary body (11) lower wall surface
Hinged with the lower end of extrusion (12), regulation axle (16) is embedded on the lower wall of exhaust gas recirculatioon pipe (8),
Swivel plate (19) is arranged in exhaust gas recirculatioon pipe (8) inside and is consolidated with regulation axle (16), pull bar (15)
Lower end hinged with one end of adjusting rod (9), the other end of adjusting rod (9) with regulation axle (16) one end
Together, the cross section of swivel plate (19) is rectangle to consolidation, one end of exhaust gas recirculatioon pipe (8) and air filter (2),
Air inlet pipe (1) between compressor (3) is connected, and the other end of exhaust gas recirculatioon pipe (8) and turbine (6), urges
Change bag (7) between exhaustor (5) be connected, the two ends of the 3rd spring (20) respectively with swivel plate (19), row
Gas recirculation pipe (8) is connected, and fixing bar (21) is consolidated with pull bar (15), the 4th spring (22)
Two ends link together with pull bar (15), exhaust gas recirculatioon pipe (8) respectively.
Low-pressure gas the most according to claim 1 circulation speed adjustment system, it is characterised in that centrifugal body (13),
Ball (14) is array and arranges, the cross section of rotary body (11) internal cavity is round, extrusion (12)
Cross section is round, and the cross section of centrifugal body (13) is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178664.6A CN105840358A (en) | 2016-03-25 | 2016-03-25 | Low-pressure gas circulation rotating speed regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178664.6A CN105840358A (en) | 2016-03-25 | 2016-03-25 | Low-pressure gas circulation rotating speed regulating system |
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| Publication Number | Publication Date |
|---|---|
| CN105840358A true CN105840358A (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610178664.6A Pending CN105840358A (en) | 2016-03-25 | 2016-03-25 | Low-pressure gas circulation rotating speed regulating system |
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| CN (1) | CN105840358A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915255A (en) * | 2019-04-07 | 2019-06-21 | 魏庆玉 | Return and adjustable spring Collaborative Control mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536524A (en) * | 2012-02-07 | 2012-07-04 | 上海交通大学 | Exhaust-pressure regulated exhaust-gas recirculating system |
| CN105020060A (en) * | 2015-07-17 | 2015-11-04 | 上海交通大学 | Throttling maximum temperature adjusting device |
-
2016
- 2016-03-25 CN CN201610178664.6A patent/CN105840358A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536524A (en) * | 2012-02-07 | 2012-07-04 | 上海交通大学 | Exhaust-pressure regulated exhaust-gas recirculating system |
| CN105020060A (en) * | 2015-07-17 | 2015-11-04 | 上海交通大学 | Throttling maximum temperature adjusting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915255A (en) * | 2019-04-07 | 2019-06-21 | 魏庆玉 | Return and adjustable spring Collaborative Control mechanism |
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Application publication date: 20160810 |