CN105840356A - Gas flow and water flow synchronizing control mechanism - Google Patents
Gas flow and water flow synchronizing control mechanism Download PDFInfo
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- CN105840356A CN105840356A CN201610178650.4A CN201610178650A CN105840356A CN 105840356 A CN105840356 A CN 105840356A CN 201610178650 A CN201610178650 A CN 201610178650A CN 105840356 A CN105840356 A CN 105840356A
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- heat exchanger
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Abstract
The invention discloses a gas flow and water flow synchronizing control mechanism in the technical field of mechanical design. The gas flow and water flow synchronizing control mechanism comprises an adjusting 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 gas flow and water flow synchronizing control mechanism, when the rotating speed of an engine is high, an adjusting plate moves upwards, and the exhaust recirculation rate of the engine is high; and when the rotating speed of the engine is low, the adjusting plate moves downwards, the exhaust recirculation rate of the engine is low. The gas flow and water flow synchronizing control mechanism is reasonable in design, simple in structure and applicable to optimal design of an exhaust gas recirculation system.
Description
Technical field
The present invention relates to gas flow and the discharge synchronizing control of a kind of technical field of mechanical design, particularly
A kind of gas flow being applicable to exhaust gas recycling system and discharge synchronizing control.
Background technology
The noxious emission of electromotor is the main source causing atmospheric pollution, along with the weight of environmental protection problem
The property wanted increases increasingly, reduces this target of Engine's Harmful Emission and becomes in the world today the one of development of engine
Individual important directions.Along with the consumption of world oil goods rises year by year, international oil price remains high, diesel vehicle
Economy outstanding day by day, this makes diesel engine in occupation of increasingly consequence in power train in vehicle application.So opening
The research of exhibition Harmful Emissions of Diesel Engine control method, is the top priority of the person that is engaged in Design Technology for Diesels.Aerofluxus is again
Blood circulation is that the sub-fraction of the waste gas produced by diesel engine sends cylinder again back to.EGR gas is lazy owing to having
Property will retarded combustion process, say, that burning velocity will slow down thus cause the pressure initiation in combustor
Process slows down, here it is the main cause that oxynitride can reduce.Can make it addition, improve ER EGR Rate
Total extraction flow reduces, and therefore in waste gas discharge, total pollutant output will reduce relatively.In middling speed work
During condition, 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: electricity
Minor EGR gas control system, this patented technology provides a kind of dress controlling engine exhaust recirculation rate
Put, can preferably take into account high speed conditions in electromotor；But its exhaust gas recirculation rate change by special
Control structure realizes, 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 gas flow and discharge synchronizing control, can
So that exhaust gas recirculation rate carries out self regulation according to engine speed.
The present invention is achieved through the following technical solutions, the present invention include air inlet pipe, air filter, compressor, electromotor,
Exhaustor, turbine, catalysis bag, bypass pipe, regulation body, rotary shaft, rotary body, extrusion, centrifugal body, ball,
Pull bar, adjustable plate, the first spring, the second spring, heat exchanger, heat exchanger water inlet pipe, heat exchanger outlet pipe, control valve,
Mobile bar, the entering and exhaust channel of electromotor is connected with air inlet pipe, exhaustor respectively, air filter, compressor be connected in turn into
On trachea, turbine, catalysis bag are connected in turn on exhaustor, the air inlet between one end of bypass pipe and air filter, compressor
Pipe is connected, and the exhaustor between the other end of bypass pipe with turbine, catalysis bag is connected, and regulation body is arranged in bypass pipe
On, adjustable plate is arranged in internal and with regulation body the internal face of regulation and is in sealing contact, and rotary shaft is consolidated with rotary body,
Extrusion, centrifugal body are arranged in a rotating body, and ball is embedded in extrusion, a sidewall of centrifugal body by ball with
Extrusion contacts, and another sidewall of centrifugal body is connected with the internal face of rotary body by the first spring, the top of extrusion
The internal face that portion is connected with the internal face of rotary body by the second spring is connected, and goes to the bottom with extrusion in one end of pull bar
Face is connected, and the other end of pull bar is connected with the upper surface of adjustable plate after the upper wall surface of regulation body, and rotary shaft is led to
Crossing chain to be connected with engine crankshaft, the longitudinal section of extrusion is trapezoidal, and heat exchanger is arranged on bypass pipe, heat exchanger
Water inlet pipe, the two ends of heat exchanger outlet pipe are connected with heat exchanger, electromotor respectively, and control valve is arranged in heat exchanger and enters
On water pipe, the two ends of mobile bar link together with control valve, pull bar respectively.
Further, be centrifuged body in the present invention, ball be array arrange, the cross section of rotary body internal cavity is
Round, the cross section of extrusion is round, and centrifugal body, the cross section of adjustable plate are rectangle.
Compared with prior art, the present invention have the advantages that into: the present invention is reasonable in design, simple in construction；Aerofluxus
Recirculation rate 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；
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, bypass pipe, 9, regulation body, 10, rotary 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, 19, heat exchanger, 20,
Heat exchanger water inlet pipe, 21, heat exchanger outlet pipe, 22, control valve, 23, mobile bar.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the invention are elaborated, the present embodiment premised on technical solution of the present invention,
Give detailed embodiment 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 include air inlet pipe 1, air filter 2, compressor 3, electromotor 4, exhaustor 5,
Turbine 6, catalysis bag 7, bypass pipe 8, regulation body 9, rotary shaft 10, rotary body 11, extrusion 12, centrifugal body 13,
Ball 14, pull bar 15, adjustable plate the 16, first spring the 17, second spring 18, heat exchanger 19, heat exchanger water inlet pipe
20, heat exchanger outlet pipe 21, control valve 22, mobile bar 23, the entering and exhaust channel of electromotor 4 respectively with air inlet pipe 1,
Exhaustor 5 is connected, and air filter 2, compressor 3 are connected in turn in air inlet pipe 1, and turbine 6, catalysis bag 7 connect successively
Being connected on exhaustor 5, the air inlet pipe between one end of bypass pipe 8 with air filter 2, compressor 3 is connected, bypass pipe 8
The other end and turbine 6, exhaustor 5 between catalysis bag 7 be connected, regulation body 9 is arranged on bypass pipe 8, adjusts
Being in sealing contact in joint plate 16 is arranged in regulation body 9 and with the internal face regulating body 9, rotary shaft 10 is solid with rotary body 11
Together, extrusion 12, centrifugal body 13 are arranged in rotary body 11 knot, and ball 14 is embedded in extrusion 12,
One sidewall of centrifugal body 13 is contacted with extrusion 12 by ball 14, and another sidewall of centrifugal body 13 is by the first bullet
Spring 17 is connected with the internal face of rotary body 11, and the top of extrusion 12 is by the second spring 18 and rotary body 11
The internal face that internal face is connected is connected, and one end of pull bar 15 is connected with the bottom surface of extrusion 12, pull bar 15
Other end through regulation body 9 upper wall surface after be connected with the upper surface of adjustable plate 16, rotary shaft 10 passes through chain
Being connected with engine crankshaft, the longitudinal section of extrusion 12 is trapezoidal, and heat exchanger 19 is arranged on bypass pipe 8, heat exchange
Device water inlet pipe 20, the two ends of heat exchanger outlet pipe 21 are connected with heat exchanger 19, electromotor 4 respectively, control valve 22
Being arranged on heat exchanger water inlet pipe 20, the two ends of mobile bar 23 link together with control valve 22, pull bar 15 respectively；
Centrifugal body 13, ball 14 are array and arrange, the cross section of rotary body 11 internal cavity is round, extrusion 12
Cross section be round, centrifugal body 13, the cross section of adjustable plate 16 are rectangle.
In the implementation process of the present invention, rotary shaft 10 is connected with engine crankshaft by chain.When 4 turns of electromotor
When speed is higher, the rotary speed of rotary body 11 is the highest, and under the left and right of centrifugal force, centrifugal body 13 is displaced outwardly and compresses
First spring 17, extrusion 12 moves up under the effect of the second spring 18, so that pull bar 15 drives adjustable plate
16 move up, and the exhaust gas recirculation rate of electromotor 4 is higher.In like manner, when the rotating speed of electromotor 4 is less, first
Under about the elastic force of spring 17, centrifugal body 13 moves inward, so that pull bar 15 drives adjustable plate 16 to move down,
The exhaust gas recirculation rate of electromotor 4 is relatively low.
When pull bar 15 moves up and down, mobile bar 23 also can move up and down, thus is controlled control valve 22, enters
And the control of streamflow in realizing heat exchanger 19.When exhaust gas recirculation rate height, make the streamflow in heat exchanger 19 big；
When exhaust gas recirculation rate is little, make the streamflow in heat exchanger 19 little.
Claims (2)
1. gas flow and a discharge synchronizing 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 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) be connected in turn on exhaustor (5), it is characterised in that also include bypass pipe (8),
Regulation body (9), rotary shaft (10), rotary body (11), extrusion (12), centrifugal body (13), ball (14),
Pull bar (15), adjustable plate (16), the first spring (17), the second spring (18), heat exchanger (19), heat exchanger enter
Water pipe (20), heat exchanger outlet pipe (21), control valve (22), mobile bar (23), one end of bypass pipe (8) with
Air inlet pipe between air filter (2), compressor (3) is connected, the other end of bypass pipe (8) and turbine (6), catalysis
Exhaustor (5) between bag (7) is connected, and regulation body (9) is arranged on bypass pipe (8), adjustable plate (16)
It is in sealing contact in being arranged in regulation body (9) and with the internal face regulating body (9), rotary shaft (10) and rotary body (11)
Being consolidated, extrusion (12), centrifugal body (13) are arranged in rotary body (11), and ball (14) is inlayed
In extrusion (12), a sidewall of centrifugal body (13) is contacted with extrusion (12) by ball (14), from
Another sidewall of heart body (13) is connected by the internal face of the first spring (17) with rotary body (11), extrusion (12)
The internal face that is connected by the internal face of the second spring (18) with rotary body (11) of top be connected, pull bar (15)
One end be connected with the bottom surface of extrusion (12), the other end of pull bar (15) through regulation body (9) upper
After wall, the upper surface with adjustable plate (16) is connected, and rotary shaft (10) is connected with engine crankshaft by chain,
The longitudinal section of extrusion (12) is trapezoidal, and heat exchanger (19) is arranged on bypass pipe (8), heat exchanger water inlet pipe (20),
The two ends of heat exchanger outlet pipe (21) are connected with heat exchanger (19), electromotor (4) respectively, control valve (22)
Be arranged on heat exchanger water inlet pipe (20), the two ends of mobile bar (23) respectively with control valve (22), pull bar (15)
Link together.
Gas flow the most according to claim 1 and discharge synchronizing control, 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 centrifugal body (13), the cross section of adjustable plate (16) are rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178650.4A CN105840356A (en) | 2016-03-25 | 2016-03-25 | Gas flow and water flow synchronizing control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178650.4A CN105840356A (en) | 2016-03-25 | 2016-03-25 | Gas flow and water flow synchronizing control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105840356A true CN105840356A (en) | 2016-08-10 |
Family
ID=56583485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610178650.4A Pending CN105840356A (en) | 2016-03-25 | 2016-03-25 | Gas flow and water flow synchronizing control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105840356A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677933A (en) * | 2016-12-27 | 2017-05-17 | 重庆长安汽车股份有限公司 | Water end-controllable EGR cooling system |
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 CN201610178650.4A patent/CN105840356A/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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677933A (en) * | 2016-12-27 | 2017-05-17 | 重庆长安汽车股份有限公司 | Water end-controllable EGR cooling system |
| CN106677933B (en) * | 2016-12-27 | 2019-03-22 | 重庆长安汽车股份有限公司 | A kind of cooling system for recycled exhaust gas that water end (W.E.) is controllable |
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Application publication date: 20160810 |
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| RJ01 | Rejection of invention patent application after publication |