CN105736189A - Exhaust control system for centrifugal type engine - Google Patents
Exhaust control system for centrifugal type engine Download PDFInfo
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- CN105736189A CN105736189A CN201610095377.9A CN201610095377A CN105736189A CN 105736189 A CN105736189 A CN 105736189A CN 201610095377 A CN201610095377 A CN 201610095377A CN 105736189 A CN105736189 A CN 105736189A
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- electromotor
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Abstract
The invention discloses an exhaust control system for a centrifugal type engine. The exhaust control system for the centrifugal type engine comprises a regulation body, a rotary shaft, a rotary body, a stretching body, centrifugal bodies, rolling balls, a pull rod and springs, wherein the rotary shaft is fixedly combined with the rotary body together; the stretching body and the centrifugal bodies are all arranged in the rotary body; the rolling balls are embedded into the stretching body; one side wall of each centrifugal body is in contact with the stretching body through the corresponding rolling ball; the other side wall of each centrifugal body is connected with the corresponding inner wall surface of the rotary body through a first spring; and the top part of the stretching body is connected with the corresponding inner wall surface of the rotary body through a second spring. According to the exhaust control system for the centrifugal type engine, when the rotational speed of the engine is higher, a regulation plate moves upwards, and the high-pressure exhaust recirculation rate of the engine is high; and when the rotational speed of the engine is lower, a regulation plate moves downwards, and the high-pressure exhaust recirculation rate of the engine is low. The exhaust control system for the centrifugal type engine is reasonable in design, has a simple structure and is suitable for optimized design of a high-pressure waste gas recirculation system of the engine.
Description
Technical field
The present invention is a kind of centrifugal engine emission control, relates to technical field of mechanical design, particularly a kind of centrifugal engine emission control suitable in 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.The sub-fraction that exhaust gas recycling system is 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 causing that the pressure initiation process in combustor slows down, here it is the main cause that oxynitride can reduce.Total extraction flow being made to reduce it addition, improve ER EGR Rate, therefore total in toxic emission 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 take into account high speed conditions in electromotor preferably；But its exhaust gas recirculation rate change 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 centrifugal engine emission control, it is possible to make high pressure gas recirculation rate 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、Regulate body、Rotating shaft、Rotary body、Extrusion、Centrifugal body、Ball、Pull bar、Adjustable plate、First spring、Second 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，One end of exhaust gas recirculatioon pipe and compressor、Air inlet pipe between electromotor is connected，The other end of exhaust gas recirculatioon pipe and electromotor、Exhaustor between turbine is connected，，Regulate body to be arranged on exhaust gas recirculatioon pipe，Adjustable plate is arranged in and regulates internal and contact with the internal face sealing regulating body，Rotating shaft and rotary body 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 rotary body by the first spring，The internal face that the top of extrusion is connected with the internal face of rotary body by the second spring is connected，One end of pull bar is connected with the bottom surface of extrusion，The other end of pull bar is connected with the upper surface of adjustable plate after the upper wall surface of adjustment body，Rotating shaft is connected with engine crankshaft by chain，The longitudinal section of extrusion is trapezoidal.
Further, centrifugal body, ball are array and arrange in the present invention, and the cross section of rotary body internal cavity is round, and the cross section of extrusion is round, centrifugal body, adjustable plate cross section be 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 taking into account the various operating conditions of electromotor.
Accompanying drawing explanation
Fig. 1 is the 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, air inlet pipe, 2, air filter, 3, compressor, 4, electromotor, 5, exhaustor, 6, turbine, 7, catalysis bag, 8, exhaust gas recirculatioon pipe, 9, regulate body, 10, rotating shaft, 11, rotary body, 12, extrusion, 13, centrifugal body, 14, ball, 15, pull bar, 16, adjustable plate, the 17, first spring, the 18, second spring.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention being elaborated, 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 4，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、Regulate body 9、Rotating shaft 10、Rotary body 11、Extrusion 12、Centrifugal body 13、Ball 14、Pull bar 15、Adjustable plate 16、First spring 17、Second spring 18，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，One end of exhaust gas recirculatioon pipe 8 and compressor 3、Air inlet pipe 1 between electromotor 4 is connected，The other end of exhaust gas recirculatioon pipe 8 and electromotor 4、Exhaustor 5 between turbine 6 is connected，Regulate body 9 to be arranged on exhaust gas recirculatioon pipe 8，Adjustable plate 16 is arranged in regulate in body 9 and seal with the internal face regulating body 9 and contacts，Rotating shaft 10 and rotary body 11 are consolidated，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 internal face that the top of extrusion 12 is connected with the internal face of rotary body 11 by the second spring 18 is connected，One end of pull bar 15 is connected with the bottom surface of extrusion 12，The other end of pull bar 15 is connected with the upper surface of adjustable plate 16 after the upper wall surface of adjustment body 9，Rotating shaft 10 is connected with engine crankshaft by chain，The longitudinal section of extrusion 12 is trapezoidal；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, centrifugal body 13, adjustable plate 16 cross section be rectangle.
In the implementation process of the present invention, rotating shaft 10 is connected with engine crankshaft by chain.When electromotor 4 rotating speed is higher, the rotary speed of rotary body 11 is also higher, 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 adjustable plate 16 to move up, the high pressure gas recirculation rate of electromotor 4 is higher.In like manner, when the rotating speed of electromotor 4 is less, under about the elastic force of the first spring 17, centrifugal body 13 moves inward, so that pull bar 15 drives adjustable plate 16 to move down, the high pressure gas recirculation rate of electromotor 4 is relatively low.
Claims (2)
- null1. a centrifugal engine emission control，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)、Regulate body (9)、Rotating shaft (10)、Rotary body (11)、Extrusion (12)、Centrifugal body (13)、Ball (14)、Pull bar (15)、Adjustable plate (16)、First spring (17)、Second spring (18)，One end of exhaust gas recirculatioon pipe (8) and compressor (3)、Air inlet pipe (1) between electromotor (4) is connected，The other end of exhaust gas recirculatioon pipe (8) and electromotor (4)、Exhaustor (5) between turbine (6) is connected，Regulate body (9) to be arranged on exhaust gas recirculatioon pipe (8)，Adjustable plate (16) is arranged in regulate in body (9) and seal with the internal face regulating body (9) and contacts，Rotating shaft (10) and rotary body (11) are consolidated，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 internal face that the top of extrusion (12) is connected by the internal face of the second spring (18) with rotary body (11) is connected，One end of pull bar (15) is connected with the bottom surface of extrusion (12)，The other end of pull bar (15) is connected with the upper surface of adjustable plate (16) after the upper wall surface of adjustment body (9)，Rotating shaft (10) is connected with engine crankshaft by chain，The longitudinal section of extrusion (12) is trapezoidal.
- 2. centrifugal engine emission control according to claim 1, 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, centrifugal body (13), adjustable plate (16) cross section be rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095377.9A CN105736189A (en) | 2016-02-22 | 2016-02-22 | Exhaust control system for centrifugal type engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095377.9A CN105736189A (en) | 2016-02-22 | 2016-02-22 | Exhaust control system for centrifugal type engine |
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| CN105736189A true CN105736189A (en) | 2016-07-06 |
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| CN201610095377.9A Pending CN105736189A (en) | 2016-02-22 | 2016-02-22 | Exhaust control system for centrifugal type engine |
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Citations (8)
| 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 |
| CN104806347A (en) * | 2015-04-06 | 2015-07-29 | 上海凌翼动力科技有限公司 | Controllable turbine air discharging system |
| CN104895668A (en) * | 2015-06-28 | 2015-09-09 | 钱蔚鑫 | Through hole flow type waste gas bypass system |
| CN204663708U (en) * | 2015-03-22 | 2015-09-23 | 上海鲁交测控科技有限公司 | Whirlpool final vacuum recirculating system |
| CN105020060A (en) * | 2015-07-17 | 2015-11-04 | 上海交通大学 | Throttling maximum temperature adjusting device |
| CN105179073A (en) * | 2015-07-17 | 2015-12-23 | 上海交通大学 | Exhaust gas introduction type cooling system |
| CN204961071U (en) * | 2015-09-20 | 2016-01-13 | 连云港宏翔东方智能技术有限公司 | Tensile rotary mechanism of mechanical type |
| CN105545538A (en) * | 2015-12-21 | 2016-05-04 | 施灵伟 | Rotation driving type lifting control system |
-
2016
- 2016-02-22 CN CN201610095377.9A patent/CN105736189A/en active Pending
Patent Citations (8)
| 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 |
| CN204663708U (en) * | 2015-03-22 | 2015-09-23 | 上海鲁交测控科技有限公司 | Whirlpool final vacuum recirculating system |
| CN104806347A (en) * | 2015-04-06 | 2015-07-29 | 上海凌翼动力科技有限公司 | Controllable turbine air discharging system |
| CN104895668A (en) * | 2015-06-28 | 2015-09-09 | 钱蔚鑫 | Through hole flow type waste gas bypass system |
| CN105020060A (en) * | 2015-07-17 | 2015-11-04 | 上海交通大学 | Throttling maximum temperature adjusting device |
| CN105179073A (en) * | 2015-07-17 | 2015-12-23 | 上海交通大学 | Exhaust gas introduction type cooling system |
| CN204961071U (en) * | 2015-09-20 | 2016-01-13 | 连云港宏翔东方智能技术有限公司 | Tensile rotary mechanism of mechanical type |
| CN105545538A (en) * | 2015-12-21 | 2016-05-04 | 施灵伟 | Rotation driving type lifting control system |
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Application publication date: 20160706 |