CN105822464A - Throttle type low-pressure circulating device adjusting system - Google Patents
Throttle type low-pressure circulating device adjusting system Download PDFInfo
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- CN105822464A CN105822464A CN201610177833.4A CN201610177833A CN105822464A CN 105822464 A CN105822464 A CN 105822464A CN 201610177833 A CN201610177833 A CN 201610177833A CN 105822464 A CN105822464 A CN 105822464A
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Abstract
The invention discloses a throttle type low-pressure circulating device adjusting system and belongs to the technical field of mechanical design. The throttle type low-pressure circulating device adjusting system comprises an adjusting body, a rotating shaft, a rotating body, a stretching body, centrifugal bodies, balls, a pull rod and springs. The rotating shaft is fixedly connected with the rotating body. The stretching body and the centrifugal bodies are all distributed in the rotating body. The balls are inlaid in the stretching body; the one side walls of the centrifugal bodies make contact with the stretching body through the balls. The other side walls of the centrifugal bodies are 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 of the rotating body through the second spring. According to the throttle type low-pressure circulating device adjusting system, when the rotating speed of an engine is high, the rotating plate rotates clockwise, and the engine high-pressure exhaust recirculation rate is high; when the rotating speed of the engine is low, the rotating plate rotates anticlockwise, and the engine high-pressure exhaust recirculation rate is low. The throttle type low-pressure circulating device adjusting system is reasonable in design, simple in structure and suitable for the optimal design of an engine high-pressure waste gas recirculation system.
Description
Technical field
The present invention relates to the throttle type low pressure recycle device regulation system of a kind of technical field of mechanical design, a kind of throttle type low pressure recycle device regulation 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 be to be realized by special control structure so that control system become 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 throttle type low pressure recycle device regulation 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，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.
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
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the partial enlarged drawing of Fig. 1；
Fig. 3 is the profile of exhaust gas recirculatioon pipe in the present invention；
Fig. 4 is the structural representation of A-A section in Fig. 1；
Fig. 5 is the structural representation of B-B section in Fig. 1；
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.
Detailed description of the invention
Elaborating embodiments of the invention below in conjunction with the accompanying drawings, 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
nullAs shown in Figures 1 to 5，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，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；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)
- null1. a throttle type low pressure recycle device regulation 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 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)，It is characterized 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)、First spring (17)、Second spring (18)、Swivel plate (19)，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 by the internal face of the first spring (17) with rotary body (11)，The top of extrusion (12) is connected by the internal face of the second spring (18) with rotary body (11)，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.
- Throttle type low pressure recycle device the most according to claim 1 regulation system, it is characterized in that centrifugal body (13), ball (14) are array and arrange, the cross section of rotary body (11) internal cavity is round, the cross section of extrusion (12) is round, and the cross section of centrifugal body (13) is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177833.4A CN105822464A (en) | 2016-03-25 | 2016-03-25 | Throttle type low-pressure circulating device adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177833.4A CN105822464A (en) | 2016-03-25 | 2016-03-25 | Throttle type low-pressure circulating device adjusting system |
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| Publication Number | Publication Date |
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| CN105822464A true CN105822464A (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610177833.4A Pending CN105822464A (en) | 2016-03-25 | 2016-03-25 | Throttle type low-pressure circulating device adjusting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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|---|---|---|---|---|
| CN105257396A (en) * | 2015-10-13 | 2016-01-20 | 上海栊桦检测科技有限公司 | Embedding and penetrating system for inner surface of shaft body |
| CN105370389A (en) * | 2015-12-21 | 2016-03-02 | 康明 | Conical centrifugal tensile mechanism |
| CN105386863A (en) * | 2015-12-21 | 2016-03-09 | 王悦萍 | Device capable of rolling and sliding synchronously |
| CN105386864A (en) * | 2015-12-21 | 2016-03-09 | 王悦萍 | Centre-fixed and periphery-rotating device |
| CN105422271A (en) * | 2015-12-21 | 2016-03-23 | 康明 | Slope-type pull rod up and down moving device |
| CN105422291A (en) * | 2015-12-21 | 2016-03-23 | 施灵伟 | Plate type gas recirculation controlling device |
-
2016
- 2016-03-25 CN CN201610177833.4A patent/CN105822464A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257396A (en) * | 2015-10-13 | 2016-01-20 | 上海栊桦检测科技有限公司 | Embedding and penetrating system for inner surface of shaft body |
| CN105370389A (en) * | 2015-12-21 | 2016-03-02 | 康明 | Conical centrifugal tensile mechanism |
| CN105386863A (en) * | 2015-12-21 | 2016-03-09 | 王悦萍 | Device capable of rolling and sliding synchronously |
| CN105386864A (en) * | 2015-12-21 | 2016-03-09 | 王悦萍 | Centre-fixed and periphery-rotating device |
| CN105422271A (en) * | 2015-12-21 | 2016-03-23 | 康明 | Slope-type pull rod up and down moving device |
| CN105422291A (en) * | 2015-12-21 | 2016-03-23 | 施灵伟 | Plate type gas recirculation controlling device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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: 20160803 |
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