CN209115195U - A kind of anti-surge structure of automobile-used Pneumatic booster device - Google Patents
A kind of anti-surge structure of automobile-used Pneumatic booster device Download PDFInfo
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- CN209115195U CN209115195U CN201821527410.1U CN201821527410U CN209115195U CN 209115195 U CN209115195 U CN 209115195U CN 201821527410 U CN201821527410 U CN 201821527410U CN 209115195 U CN209115195 U CN 209115195U
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- booster
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
A kind of anti-surge structure of automobile-used Pneumatic booster device, including engine, exhaust gas turbine and booster, the inlet end of the booster is communicated by the first air cleaner with atmosphere, the outlet side of booster is communicated with the inlet end of engine, the outlet side of the engine is communicated with the inlet end of exhaust gas turbine, the exhaust gas turbine and intensifier driven cooperate: the outlet side of the booster passes sequentially through intercooler, pneumatic booster valve is communicated with the inlet end of engine, pipeline between the intercooler and the inlet end of pneumatic booster valve is communicated with one end of exhaust manifold, the other end of the exhaust manifold is communicated with the inlet end of anti-surge valve, the control terminal of the anti-surge valve is connect with Pneumatic booster controller signals.The design can not only intelligent decision booster surge tendency, avoid booster occur surge, and realize anti-surge valve discharge air recycling.
Description
Technical field
The utility model relates to a kind of anti-surge equipment of Pneumatic booster device more particularly to a kind of automobile-used Pneumatic booster dresses
The anti-surge structure set, it is particularly applicable to optimizing pneumatic supercharging device structures, avoid turbocharger surge.
Background technique
Existing vehicle Pneumatic booster device is by the way that by pressure-air, (such as starting, anxious acceleration) passes through under specific operation
Inlet manifold is injected in additional air path, closes pneumatic booster valve at the same time, prevents the pressure-air of injection from flowing backward to pressurization
Device side, while providing closed compression chamber for booster side, help quickly establishes booster side air pressure, when monitoring booster
When side admission pressure reaches desired level, discharge pneumatic booster valve in time, turbocharging switched to by Pneumatic booster, solve because
Exhaust gas turbine responds the slow problem of sluggish bring dynamic response.
The inlet channel that booster side is cut off by closing pneumatic booster valve is engine supplement foot by additional air path
Enough air inflows further increase turbine efficiency, work as monitoring to increase engine torque output, while the increase of exhaust energy
When can satisfy current air inlet requirement to booster, pneumatic booster valve is discharged in time, is normally supplied by booster.But Pneumatic booster
The closing of valve makes booster side form closed compression chamber, with the increase of pressure ratio, the raising of the reduction of flow and supercharger speed,
The tendency that surge occurs in booster increases, and at this time if the effect of Pneumatic booster is not achieved in release pneumatic booster valve in advance.
Chinese patent notification number is CN205677720U, and the day for announcing is that the utility model patent on November 9th, 2016 discloses
A kind of engine booster anti-surge valve is provided with partition in the enclosure interior of anti-surge valve, and partition is by the inside of shell
It is divided into independent upper space and lower space, in the upper space of shell, is provided with the spring base being resisted against on valve deck, with
And it is resisted against the reset spring on spring base and partition, bulkhead through-hole is offered on partition, valve passes through bulkhead through-hole and consolidates
It is scheduled on spring base, shell upper and lower part is not attached to lead to, after pressure is greater than air throttle before air throttle the case where pressure certain value
Under, reset spring drives valve to move up, pressure release is exhausted under the action of pressure difference；When exhaust pressure relief, the gas to be discharged
Will not enclosure interior flow into shell upper space, and then by take tracheae flow into air inlet pipe.Although the utility model can be
Avoid the generation of turbocharger surge to a certain extent, but its there are still following defects:
1, the utility model is suitable for the anti-surge of booster, can not directly apply to the anti-asthma of Pneumatic booster device
Vibration.
2, the utility model controls the open and close of anti-surge valve using spring structure, therefore the open and close stress of surge valve is one
Fixed, and surge curve is the curve of a dynamic change, therefore the structure only can be avoided the generation of part surge condition.
Summary of the invention
Asking for Pneumatic booster device anti-surge cannot be applicable in the purpose of the utility model is to overcome existing in the prior art
Topic, provides a kind of anti-surge structure of the automobile-used Pneumatic booster device of intelligent opening.
In order to achieve the above object, the technical solution of the utility model is:
A kind of anti-surge structure of automobile-used Pneumatic booster device, including engine, exhaust gas turbine and booster, the pressurization
The inlet end of device is communicated by the first air cleaner with atmosphere, and the outlet side of booster is communicated with the inlet end of engine, institute
The outlet side for stating engine is communicated with the inlet end of exhaust gas turbine, and the exhaust gas turbine and intensifier driven cooperate；
The outlet side of the booster passes sequentially through intercooler, pneumatic booster valve is communicated with the inlet end of engine, described
Pipeline between intercooler and the inlet end of pneumatic booster valve is communicated with one end of anti-surge blow off branch pipe, the anti-surge blow off
The other end of branch pipe is communicated with the inlet end of anti-surge valve, and the control terminal and Pneumatic booster controller signals of the anti-surge valve connect
It connects.
Pressure sensor is provided in pipeline between the intercooler and the inlet end of pneumatic booster valve, the pressure passes
The signal output end of sensor is connect with Pneumatic booster controller signals；The Pneumatic booster controller and vehicle power CAN bus
Signal connection.
Air nozzle is provided at the outlet side of the pneumatic booster valve, the inlet end of the air nozzle passes through pressure tune
Section valve is communicated with the outlet side of compressed air cylinder, and the control terminal of the pressure-regulating valve is connect with Pneumatic booster controller signals.
The outlet side of first air cleaner also passes through air inlet pipe and communicates with the inlet end of air compressor machine, the anti-surge
The outlet side of valve is communicated with air inlet pipe.
The anti-surge valve is solenoid valve, electrical ball valve or electric butterfly valve.
The outlet side of the air compressor machine is communicated by the second air cleaner with the inlet end of compressed air cylinder.
Exhaust gas recirculation device is provided between the outlet side of the engine and the inlet end of engine；The exhaust gas whirlpool
The outlet side of wheel is provided with after-treatment device.
Compared with prior art, the utility model has the following beneficial effects:
1, in a kind of anti-surge structure of automobile-used Pneumatic booster device of the utility model intercooler and pneumatic booster valve it
Between pipeline on anti-surge blow off branch pipe is set, and the exhaust of anti-surge blow off branch pipe is controlled by anti-surge valve, when pneumatic increasing
When pressure controller determines that there is booster surge to be inclined to, control anti-surge valve exhaust, to avoid booster that surge occurs.Cause
This, the design is capable of the surge tendency of intelligent decision booster, avoids booster that surge occurs.
2, the outlet side of anti-surge valve and air inlet in a kind of anti-surge structure of automobile-used Pneumatic booster device of the utility model
Pipe communicates, and air inlet pipe is connected to the first air cleaner and air compressor machine, the pressure-air being discharged by anti-surge valve, the company of being incorporated into
The air inlet pipe of logical air compressor machine, is compressed by air compressor machine and utilizes, improve compressor efficiency.Therefore, the anti-surge valve of the design go out
Gas end is incorporated to the admission line of air compressor machine, realizes the recycling of anti-surge valve discharge air.
3, a kind of anti-surge structure of automobile-used Pneumatic booster device of the utility model when in use supervise by Pneumatic booster controller
Engine operation condition data are surveyed, real time execution point and the asthma of booster are determined by booster corrected flow and booster pressure ratio
Boundary line distance of shaking is kept away therefore, it is determined that Pneumatic booster device is inclined to the presence or absence of surge by controlling the opening and closing of anti-surge valve
The real time execution point for exempting from booster crosses surge boundary line, to realize intelligent anti-surge.Therefore the design being capable of intelligent control
Anti-surge valve avoids booster that surge occurs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is engine-booster combined operating curve synoptic diagram.
In figure: engine 1, exhaust gas turbine 2, booster 3, the first air cleaner 4, intercooler 5, pneumatic booster valve 6, sky
Gas jets 61, pressure-regulating valve 62, anti-surge valve 7, anti-surge blow off branch pipe 71, air compressor machine 8, air inlet pipe 81, the second air filter
Clear device 82, compressed air cylinder 83, Pneumatic booster controller 9, pressure sensor 91, exhaust gas recirculation device 10, after-treatment device
11。
Specific embodiment
The utility model is described in further detail below in conjunction with Detailed description of the invention and specific embodiment.
Referring to Fig. 1, Fig. 2, a kind of anti-surge structure of automobile-used Pneumatic booster device, including engine 1,2 and of exhaust gas turbine
The inlet end of booster 3, the booster 3 is communicated by the first air cleaner 4 with atmosphere, the outlet side of booster 3 and hair
The inlet end of motivation 1 communicates, and the outlet side of the engine 1 is communicated with the inlet end of exhaust gas turbine 2, the exhaust gas turbine 2 with
The transmission cooperation of booster 3；
The outlet side of the booster 3 passes sequentially through intercooler 5, pneumatic booster valve 6 is communicated with the inlet end of engine 1,
Pipeline between the intercooler 5 and the inlet end of pneumatic booster valve 6 is communicated with one end of anti-surge blow off branch pipe 71, described anti-
The other end of surge exhaust branch pipe 71 is communicated with the inlet end of anti-surge valve 7, the control terminal and Pneumatic booster of the anti-surge valve 7
The connection of 9 signal of controller.
Pressure sensor 91, the pressure are provided in pipeline between the intercooler 5 and the inlet end of pneumatic booster valve 6
The signal output end of force snesor 91 is connect with 9 signal of Pneumatic booster controller；The Pneumatic booster controller 9 and vehicle power
The connection of CAN bus signal.
Air nozzle 61 is provided at the outlet side of the pneumatic booster valve 6, the inlet end of the air nozzle 61 passes through
Pressure-regulating valve 62 is communicated with the outlet side of compressed air cylinder 83, and the control terminal and Pneumatic booster of the pressure-regulating valve 62 control
The connection of 9 signal of device.
The outlet side of first air cleaner 4 also passes through air inlet pipe 81 and communicates with the inlet end of air compressor machine 8, described anti-
The outlet side of surge valve 7 is communicated with air inlet pipe 81.
The anti-surge valve 7 is solenoid valve, electrical ball valve or electric butterfly valve.
The outlet side of the air compressor machine 8 is communicated by the second air cleaner 82 with the inlet end of compressed air cylinder 83.
Exhaust gas recirculation device 10 is provided between the outlet side of the engine 1 and the inlet end of engine 1；It is described useless
The outlet side of air turbine 2 is provided with after-treatment device 11.
A kind of control method of the anti-surge structure of automobile-used Pneumatic booster device, the control method the following steps are included:
Step 1: surge monitors, when pneumatic booster valve 6 works, 6 valve block of pneumatic booster valve blocks 3 side air inlet of booster,
Air pressure between booster 3 and pneumatic booster valve 6 in pipeline increases, and causes the back pressure of booster 3 to increase sharply, Pneumatic booster control
Device 9 processed acquires the live signal of pressure sensor 91, while the real time execution ginseng of engine is acquired by vehicle power CAN bus
Number, obtains real-time booster corrected flow value and booster pressure ratio value；
Step 2: determining surge tendency, Pneumatic booster controller 9 is by real-time booster corrected flow value and booster pressure ratio
Value is tabled look-up, and is analyzed the real time execution point and stall margin linear distance of booster 3, is determined whether booster 3 has surge tendency,
It is carried out in next step when determining that booster 3 has surge tendency；When determining that booster 3 is inclined to without surge, Pneumatic booster control
Device 9 continues to monitor related real time data；
Step 3: decompression anti-surge, when determining that booster 3 has surge tendency, Pneumatic booster controller 9 controls anti-surge
Valve 7 is opened, and is passed the gas through the discharge of anti-surge blow off branch pipe 71, to reduce booster pressure ratio, is prevented booster 3 from breathing heavily
Vibration；Pneumatic booster controller 9 acquires the live signal of pressure sensor 91, judges the working condition of booster 3, works as pressure sensing
The pressure signal of device 91 closes anti-surge valve 7 when being reduced to setting value.
The principles of the present invention are described as follows:
Since the vehicle difference of the design application causes the setting of its internal sensor distinct, therefore control method first
In step booster corrected flow and booster pressure ratio can calculate, table look-up or mathematical model by way of obtain.
Surge tendency, referring to fig. 2, engine-booster combined operating curve, by obtained in the design control method
Booster corrected flow and booster pressure ratio can judge the relationship between the existing operating status of booster 3 and stall margin, when
The existing operating status of booster 3 in figure position at a distance from stall margin be less than setting value when, then determine booster 3 at this time
It is inclined to surge.
In addition, stall margin can also occur since its different operation curve of engine and booster model are distinct
The judgement range of variation, the design surge tendency can also change according to its different operation curve.
For mechanical air compressor machine 8,8 side of air compressor machine is flowed to by the compressed air that anti-surge valve 7 discharges, by again
It utilizes.For disengaging type air compressor machine 8, the compressed air discharged by anti-surge valve 7, under 8 meshing state of air compressor machine, stream
To 8 side of air compressor machine；Under 8 unloaded state of air compressor machine, it is directly communicated to atmosphere.
Embodiment 1:
A kind of anti-surge structure of automobile-used Pneumatic booster device, including engine 1, exhaust gas turbine 2 and booster 3, it is described
The inlet end of booster 3 is communicated by the first air cleaner 4 with atmosphere, the outlet side of booster 3 and the inlet end of engine 1
It communicates, the outlet side of the engine 1 is communicated with the inlet end of exhaust gas turbine 2, and the exhaust gas turbine 2 is matched with the transmission of booster 3
It closes；The outlet side of the booster 3 passes sequentially through intercooler 5, pneumatic booster valve 6 is communicated with the inlet end of engine 1, it is described in
Pipeline between cooler 5 and the inlet end of pneumatic booster valve 6 is communicated with one end of anti-surge blow off branch pipe 71, the anti-surge row
The other end of gas branch pipe 71 is communicated with the inlet end of anti-surge valve 7, the control terminal and Pneumatic booster controller of the anti-surge valve 7
The connection of 9 signals；Pressure sensor 91 is provided in pipeline between the intercooler 5 and the inlet end of pneumatic booster valve 6, it is described
The signal output end of pressure sensor 91 is connect with 9 signal of Pneumatic booster controller；The Pneumatic booster controller 9 and vehicle are dynamic
The connection of power CAN bus signal；Air nozzle 61 is provided at the outlet side of the pneumatic booster valve 6, the air nozzle 61
Inlet end is communicated by pressure-regulating valve 62 with the outlet side of compressed air cylinder 83, the control terminal and gas of the pressure-regulating valve 62
Dynamic 9 signal of boost controller connection.
Embodiment 2:
Embodiment 2 is substantially the same manner as Example 1, the difference is that:
The outlet side of first air cleaner 4 also passes through air inlet pipe 81 and communicates with the inlet end of air compressor machine 8, described anti-
The outlet side of surge valve 7 is communicated with air inlet pipe 81；The anti-surge valve 7 is solenoid valve, electrical ball valve or electric butterfly valve, the sky
The outlet side of press 8 is communicated by the second air cleaner 82 with the inlet end of compressed air cylinder 83.
Embodiment 3:
Embodiment 3 is substantially the same manner as Example 2, the difference is that:
Exhaust gas recirculation device 10 is provided between the outlet side of the engine 1 and the inlet end of engine 1；It is described useless
The outlet side of air turbine 2 is provided with after-treatment device 11.
Claims (7)
1. a kind of anti-surge structure of automobile-used Pneumatic booster device, including engine (1), exhaust gas turbine (2) and booster (3),
The inlet end of the booster (3) is communicated by the first air cleaner (4) with atmosphere, the outlet side of booster (3) with start
The inlet end of machine (1) communicates, and the outlet side of the engine (1) is communicated with the inlet end of exhaust gas turbine (2), the exhaust gas turbine
(2) cooperate with booster (3) transmission, it is characterised in that:
The outlet side of the booster (3) passes sequentially through the inlet end phase of intercooler (5), pneumatic booster valve (6) and engine (1)
It is logical, one end phase of pipeline and anti-surge blow off branch pipe (71) between the intercooler (5) and the inlet end of pneumatic booster valve (6)
Logical, the other end of the anti-surge blow off branch pipe (71) is communicated with the inlet end of anti-surge valve (7), the anti-surge valve (7)
Control terminal is connect with Pneumatic booster controller (9) signal.
2. a kind of anti-surge structure of automobile-used Pneumatic booster device according to claim 1, it is characterised in that:
It is provided with pressure sensor (91) in pipeline between the intercooler (5) and the inlet end of pneumatic booster valve (6), it is described
The signal output end of pressure sensor (91) is connect with Pneumatic booster controller (9) signal；The Pneumatic booster controller (9) with
The connection of vehicle power CAN bus signal.
3. a kind of anti-surge structure of automobile-used Pneumatic booster device according to claim 2, it is characterised in that:
It is provided with air nozzle (61) at the outlet side of the pneumatic booster valve (6), the inlet end of the air nozzle (61) is logical
Over-voltage force regulating valve (62) is communicated with the outlet side of compressed air cylinder (83), the control terminal of the pressure-regulating valve (62) and pneumatic
The connection of boost controller (9) signal.
4. a kind of anti-surge structure of automobile-used Pneumatic booster device according to claim 2 or 3, it is characterised in that:
The outlet side of first air cleaner (4) also passes through air inlet pipe (81) and communicates with the inlet end of air compressor machine (8), described
The outlet side of anti-surge valve (7) is communicated with air inlet pipe (81).
5. a kind of anti-surge structure of automobile-used Pneumatic booster device according to claim 4, it is characterised in that:
The anti-surge valve (7) is solenoid valve, electrical ball valve or electric butterfly valve.
6. a kind of anti-surge structure of automobile-used Pneumatic booster device according to claim 5, it is characterised in that:
The outlet side of the air compressor machine (8) is communicated by the second air cleaner (82) with the inlet end of compressed air cylinder (83).
7. a kind of anti-surge structure of automobile-used Pneumatic booster device according to claim 5, it is characterised in that:
Exhaust gas recirculation device (10) are provided between the outlet side of the engine (1) and the inlet end of engine (1)；It is described
The outlet side of exhaust gas turbine (2) is provided with after-treatment device (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821527410.1U CN209115195U (en) | 2018-09-19 | 2018-09-19 | A kind of anti-surge structure of automobile-used Pneumatic booster device |
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|---|---|---|---|
| CN201821527410.1U CN209115195U (en) | 2018-09-19 | 2018-09-19 | A kind of anti-surge structure of automobile-used Pneumatic booster device |
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| CN209115195U true CN209115195U (en) | 2019-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057946A (en) * | 2018-09-19 | 2018-12-21 | 东风商用车有限公司 | A kind of the anti-surge structure and its control method of automobile-used Pneumatic booster device |
-
2018
- 2018-09-19 CN CN201821527410.1U patent/CN209115195U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057946A (en) * | 2018-09-19 | 2018-12-21 | 东风商用车有限公司 | A kind of the anti-surge structure and its control method of automobile-used Pneumatic booster device |
| CN109057946B (en) * | 2018-09-19 | 2024-02-13 | 东风商用车有限公司 | Anti-surge structure of pneumatic supercharging device for vehicle and control method thereof |
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