CN209261699U - A kind of EGR pipe structure optimization - Google Patents
A kind of EGR pipe structure optimization Download PDFInfo
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- CN209261699U CN209261699U CN201821846763.8U CN201821846763U CN209261699U CN 209261699 U CN209261699 U CN 209261699U CN 201821846763 U CN201821846763 U CN 201821846763U CN 209261699 U CN209261699 U CN 209261699U
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- inlet manifold
- egr pipe
- egr
- valve
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Abstract
The utility model discloses a kind of EGR pipe structure optimizations, it includes controller, relay, solenoid valve, EGR valve, EGR pipe, inlet manifold, water-wet sensor, lambda sensor, ternary catalyzing unit and push away tracheae, the upper controller is connected with above-mentioned relay, above-mentioned water-wet sensor is controlled by above controller, above-mentioned relay is connected with above-mentioned solenoid valve, above-mentioned solenoid valve is connected by pipeline with above-mentioned EGR valve, above-mentioned EGR pipe is vertical with above-mentioned inlet manifold to be connect, above-mentioned EGR pipe is that above-mentioned inlet manifold junction extends internally, section of the above-mentioned EGR pipe in above-mentioned inlet manifold is in 45 ° of inclined-planes, above-mentioned water-wet sensor is connected with above-mentioned inlet manifold, above-mentioned lambda sensor is connected by pipeline with above-mentioned ternary catalyzing unit, above-mentioned ternary catalyzing unit pushes away tracheae phase with above-mentioned Connection, the utility model mix exhaust gas more evenly in inlet manifold with gaseous mixture, so that the distribution of each cylinder exhaust gas is more uniform, improve combustion stability, reduce fuel consumption rate and discharge.
Description
Technical field
The utility model relates to electric car fields, more particularly, to a kind of EGR pipe structure optimization.
Background technique
Egr system is gas recirculation system, and main function is the portion for making to be discharged from the exhaust outlet of cylinder head
It is recycled back into inlet manifold, enters combustion chamber together with gaseous mixture to reduce ignition temperature, to reduce the generation of NOx
Amount, the final pollution reduced to atmosphere.
Utility model content
The purpose of the utility model is to provide a kind of EGR pipe structure optimization, one in above-mentioned prior art problem is solved
Or it is multiple.
In order to solve the above technical problems, the technical solution of the utility model are as follows: a kind of EGR pipe structure optimization, including control
Device, relay, solenoid valve, EGR valve, EGR pipe, inlet manifold, water-wet sensor, lambda sensor, ternary catalyzing unit and tracheae is pushed away,
The upper controller is connected with above-mentioned relay, and above-mentioned water-wet sensor is controlled by above controller, above-mentioned relay with it is upper
It states solenoid valve to be connected, above-mentioned solenoid valve is connected by pipeline with above-mentioned EGR valve, and above-mentioned EGR pipe and above-mentioned inlet manifold are hung down
Direct-connected to connect, above-mentioned EGR pipe is that above-mentioned inlet manifold junction extends internally, above-mentioned EGR pipe cutting in above-mentioned inlet manifold
Face is in 45 ° of inclined-planes, and above-mentioned water-wet sensor is connected with above-mentioned inlet manifold, and above-mentioned lambda sensor passes through pipeline and above-mentioned ternary
Catalyst converter is connected, and above-mentioned ternary catalyzing unit is connected with the above-mentioned tracheae that pushes away.
In a kind of above-mentioned EGR pipe structure optimization, above-mentioned EGR valve is electronic mechanical vacuum switch valve, above-mentioned EGR valve
It is controlled by the controller.
In a kind of above-mentioned EGR pipe structure optimization, the diameter of above-mentioned EGR pipe is less than the diameter of above-mentioned inlet manifold.
In a kind of above-mentioned EGR pipe structure optimization, it is less than upper that above-mentioned EGR pipe, which protrudes into the length in above-mentioned inlet manifold,
State the radius of inlet manifold.
The utility model has the beneficial effects that the utility model has carried out structure optimization to traditional EGR pipe, traditional EGR pipe with
Inlet manifold directly mutually passes through connection, and exhaust gas directly rushes in inlet manifold, and exhaust gas cannot be sufficiently mixed with gaseous mixture, after structure optimization
EGR pipe protrude into inlet manifold, the direction that 45 ° of oblique sections enter towards gaseous mixture in inlet manifold, exhaust gas enters air inlet discrimination
Guan Houxian and gaseous mixture are entering combustion chamber after being sufficiently mixed, and the utility model mixes exhaust gas in inlet manifold with gaseous mixture
More evenly, so that the distribution of each cylinder exhaust gas is more uniform, combustion stability is improved, reduces fuel consumption rate and discharge.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of EGR pipe structure optimization of the utility model.
Fig. 2 is a kind of local structural graph of EGR pipe structure optimization of the utility model.
Figure label: 1, controller 2, relay 3, solenoid valve 4, EGR valve 5, EGR pipe 6, inlet manifold 7, water-wet sensor
8, lambda sensor 9, ternary catalyzing unit 10, push away tracheae.
Specific embodiment
With reference to the accompanying drawings of the specification, the utility model is described in more detail.
A kind of EGR pipe structure optimization as shown in Figure 1, 2, including controller 1, relay 2, solenoid valve 3, EGR valve 4, EGR
Pipe 5, inlet manifold 6, water-wet sensor 7, lambda sensor 8, ternary catalyzing unit 9 and push away tracheae 10, the upper controller 1 with it is above-mentioned
Relay 2 is connected, and above-mentioned water-wet sensor 7 is controlled by above controller 1, and above-mentioned relay 2 is connected with above-mentioned solenoid valve 3
It connecing, above-mentioned solenoid valve 3 is connected by pipeline with above-mentioned EGR valve 4, and above-mentioned EGR valve 4 is electronic mechanical vacuum switch valve, on
It states EGR valve 4 to be controlled by the controller 1, above-mentioned EGR pipe 5 is vertical with above-mentioned inlet manifold 6 to be connect, and above-mentioned EGR pipe 5 is
It states 6 junction of inlet manifold to extend internally, section of the above-mentioned EGR pipe 5 in above-mentioned inlet manifold 6 is in 45 ° of inclined-planes, above-mentioned EGR
The diameter of pipe 5 is less than the diameter of above-mentioned inlet manifold 6, and it is less than upper that above-mentioned EGR pipe 5, which protrudes into the length in above-mentioned inlet manifold 6,
The radius of inlet manifold 6 is stated, above-mentioned water-wet sensor 7 is connected with above-mentioned inlet manifold 6, and above-mentioned lambda sensor 8 passes through pipeline
It is connected with above-mentioned ternary catalyzing unit 9, above-mentioned ternary catalyzing unit 9 is connected with the above-mentioned tracheae 10 that pushes away.
In the present invention, controller control relay, water-wet sensor and lambda sensor, relay control electromagnetism
Exhaust gas is sent into inlet manifold by EGR pipe and is mixed with gaseous mixture by valve, solenoid valve control EGR valve, provides into combustion chambers burn
Power pushes away intratracheally entering by ternary catalyzing unit, and the utility model has carried out structure optimization, traditional EGR to traditional EGR pipe
Pipe is directly mutually passed through with inlet manifold to be connect, and exhaust gas directly rushes in inlet manifold, and exhaust gas cannot be sufficiently mixed with gaseous mixture, and structure is excellent
EGR pipe after change protrudes into inlet manifold, 45 ° of oblique sections towards in inlet manifold gaseous mixture enter direction, exhaust gas enter into
Entering combustion chamber after being first sufficiently mixed with gaseous mixture after gas manifold, the utility model makes exhaust gas and gaseous mixture in inlet manifold
Mixing more evenly, so that the distribution of each cylinder exhaust gas is more uniform, improves combustion stability, reduces fuel consumption rate and discharge.
It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, above-described embodiment and
Only illustrate the principles of the present invention described in specification, on the premise of not departing from the spirit and scope of the utility model,
The utility model also has various changes and improvements, these changes and improvements both fall within the scope of the claimed invention
It is interior.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (4)
1. a kind of EGR pipe structure optimization, including controller (1), relay (2), solenoid valve (3), EGR valve (4), EGR pipe (5),
It inlet manifold (6), water-wet sensor (7), lambda sensor (8), ternary catalyzing unit (9) and pushes away tracheae (10), it is characterised in that: institute
Controller (1) is stated to be connected with the relay (2), the water-wet sensor (7) by the controller (1) control, it is described after
Electric appliance (2) is connected with the solenoid valve (3), and the solenoid valve (3) is connected by pipeline with the EGR valve (4), described
EGR pipe (5) is vertical with the inlet manifold (6) to be connect, and the EGR pipe (5) is that the inlet manifold (6) junction is inwardly prolonged
It stretches, section of the EGR pipe (5) in the inlet manifold (6) is in 45 ° of inclined-planes, the water-wet sensor (7) and the air inlet
Manifold (6) is connected, and the lambda sensor (8) is connected by pipeline with the ternary catalyzing unit (9), the ternary catalyzing unit
(9) it is connected with the tracheae (10) that pushes away.
2. a kind of EGR pipe structure optimization according to claim 1, it is characterised in that: the EGR valve (4) is electric mechanical
Formula vacuum switch valve, the EGR valve (4) are controlled by the controller (1).
3. a kind of EGR pipe structure optimization according to claim 1, it is characterised in that: the diameter of the EGR pipe (5) is less than
The diameter of the inlet manifold (6).
4. a kind of EGR pipe structure optimization according to claim 1, it is characterised in that: the EGR pipe (5) protrude into it is described into
Length in gas manifold (6) is the radius less than the inlet manifold (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821846763.8U CN209261699U (en) | 2018-11-10 | 2018-11-10 | A kind of EGR pipe structure optimization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821846763.8U CN209261699U (en) | 2018-11-10 | 2018-11-10 | A kind of EGR pipe structure optimization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209261699U true CN209261699U (en) | 2019-08-16 |
Family
ID=67554456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821846763.8U Active CN209261699U (en) | 2018-11-10 | 2018-11-10 | A kind of EGR pipe structure optimization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209261699U (en) |
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2018
- 2018-11-10 CN CN201821846763.8U patent/CN209261699U/en active Active
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