CN205243633U - Booster compressor inlet flow's adjusting device - Google Patents
Booster compressor inlet flow's adjusting device Download PDFInfo
- Publication number
- CN205243633U CN205243633U CN201521098411.5U CN201521098411U CN205243633U CN 205243633 U CN205243633 U CN 205243633U CN 201521098411 U CN201521098411 U CN 201521098411U CN 205243633 U CN205243633 U CN 205243633U
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- Prior art keywords
- booster
- turbine
- adjusting device
- compressor
- control valve
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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
Abstract
The utility model discloses a booster compressor inlet flow's adjusting device, through setting up the by -pass line that advances to exhaust between the compressor at booster export and the turbine import, export the compressor some admit air and directly let in in the turbine to it adjusts to realize inlet flow's dosage, through setting up the bypass blowdown piping that admits air between the compressor at booster export and the turbine export, admit air some of compressor exit and directly let in the pipeline after the turbine exports to it adjusts to realize inlet flow's decrement, through placing nozzle and orifice plate at the by -pass line that advances to exhaust in the bypass blowdown piping respectively with admitting air to monitor control valve fore -and -after pressure is realized the accurate of flow and is adjusted. The utility model discloses need not increase the booster, only need to adopt minimum control valve quantity just can realize increasing and reducing the two -way regulation control function of flow in the configuration of original booster.
Description
Technical field
The utility model relates to booster field, relates in particular to a kind of adjusting dress of supercharger air compressor charge flow ratePut.
Background technology
The desirable cooperation line of booster and internal combustion engine, as shown in Fig. 1 solid line, possesses certain breathing heavily in the time of low dischargeThe nargin of shaking, and can be through the high efficient area of compressor in the time of large flow. But owing to being subject to booster inherent characteristicImpact, in the time that internal combustion engine coupling advances main frame, the cooperation line on compressor easily moves in the time of low dischargeTo the surge area of compressor, and can not pass completely through high efficient area in the time of large flow, thereby cause booster operation windDanger is high, and operational efficiency is low, as shown in the dotted line of Fig. 1.
The common method of head it off is as follows:
1) adopt multiple boosters;
On internal combustion engine, arrange multiple boosters, the traffic demand by internal combustion engine under each operating mode accesses supercharging one by oneDevice, makes booster all the time in range of operation safely and efficiently. Owing to adopting many booster operations, cloth on machineWhile putting, need many circuits to connect air cooler and the blast pipe of booster and upstream and downstream, need to install multiple controls simultaneouslyValve processed switches adjusting, and structure is very complicated, difficult arrangement.
2) booster of variable air feed characteristic;
Mainly refer to variable geometry turbocharger, booster adopts the flow passage component in variable-geometry cross section as nozzle ring,Pressure ratio is changed within the specific limits in the time that exhaust energy is constant, adjust within the specific limits thereby realize charge flow rateJoint. Because nozzle ring geometric cross section is comparatively responsive on the impact of pressure ratio, need the control system of a set of complexity to come realThe fine adjustment of existing nozzle ring geometric cross section, controls complicated and with high costs.
Utility model content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is: in how realizingThe bidirectional modulation of the air inflow of combustion machine in whole ranges of operation.
For achieving the above object, the utility model provides a kind of adjusting device of supercharger air compressor charge flow rate,By intake and exhaust bypass line is set between the blower outlet at described booster and turbine inlet, by compressorA part of air inlet of outlet directly passes in turbine, thereby realizes the dosage adjusting of charge flow rate; By describedAir inlet bypass blowdown piping is set, by one of blower outlet place between the blower outlet of booster and turbine outletPartial-air admission directly passes in the pipeline after turbine outlet, thereby realizes the down-regulation of charge flow rate.
Further, on described intake and exhaust bypass line, the first control valve is set, arrives for controlling blower outletThe flow of turbine inlet. In the time that described the first control valve is opened, a part of air inlet of blower outlet is by entering rowGas bypass line enters into turbine, promotes turbine and accelerates rotation, thereby drive the rise of rotational speed of booster, makesCompressor compresses more air and enters into internal combustion engine, thereby realizes the dosage adjusting of charge flow rate; Described firstControl valve is switch valve or adjustable valve; Preferably, described the first control valve is butterfly valve.
Further, on described air inlet bypass blowdown piping, the second control valve is set, for controlling turbine inletBe bypassed to the flow of outlet. In the time that described the second control valve is opened, a part of exhaust at turbine inlet place is by enteringGas bypass blowdown piping, enters into the pipeline after turbine outlet, causes the available energy decreases of turbine, makesTurbine slows down and rotates, thereby causes the rotating speed of booster to decline, and the compressed-air actuated ability of compressor is declined, therebyRealize the down-regulation of charge flow rate; Described the second control valve is switch valve or adjustable valve; Preferably, describedTwo control valves are butterfly valve.
Preferably, between described the first control valve and described the second control valve and pipeline, be connected with flange.
Further preferably, described intake and exhaust bypass line and described air inlet bypass blowdown piping are by a four-way pipeConnect, in four-way pipe, gas flow is subject to the open and-shut mode control of the first control valve and the second control valve; Two control valvesWhen shutdown, be normally off, when operation, can not open simultaneously.
Preferably, the switching moment of the first control valve and the second control valve and/or angle are by the control system of internal combustion engineSystem is controlled. By prior Bench calibration, control strategy is written in control system, in the time of internal combustion engine operationBy sensor by the coherent signal of the operational factors such as pressure, engine speed, boost pressure before and after the control valve gatheringPass to control system, control system is according to built-in control strategy output control signal, to the first control valve and secondControl valve carries out Electronic Control.
Preferably, in described intake and exhaust bypass line, also can set up nozzle, in described air inlet bypass blowdown pipingAlso can set up orifice plate, and the pressure of Monitoring and Controlling valve front and back is realized the fine adjustment of flow. Can work as pipeline and controlThe size of valve processed and the requirement of flow not in full conformity with time, the valid circulation area of pipeline is revised, ensure adjustJoint effect. The dimensions of nozzle and orifice plate can be exchanged according to actual user demand.
The adjusting device of the utility model supercharger air compressor charge flow rate, than prior art, has significantly followingBeneficial effect:
1. do not need to increase booster, only need be set up at original pressure booster distribution, just adopt minimum control valve quantityCan realize the bidirectional modulation control function that increases and reduce flow;
2. regulative mode: step-less adjustment or open to shut to regulate all can;
3. according to different flow control requirement, can realize control more accurately by increasing nozzle and orifice plate.
Below with reference to accompanying drawing, the technique effect of design of the present utility model, concrete structure and generation is done furtherlyBright, to understand fully the purpose of this utility model, feature and effect.
Brief description of the drawings
Fig. 1 is the cooperation curve map on compressor after Matching of Turbocharger internal combustion engine;
Fig. 2 is the apparatus structure schematic diagram according to preferred embodiment of the present utility model;
The schematic diagram of airflow direction in the preferred embodiment pipeline when Fig. 3 is the first control valve unlatching;
The schematic diagram of airflow direction in the preferred embodiment pipeline when Fig. 4 is the second control valve unlatching.
Detailed description of the invention
A preferred embodiment of the present utility model as shown in Figure 2, the compressor that in figure, A is booster, B isThe turbine of booster, the inlet manifold that C is internal combustion engine, the exhaust main that D is internal combustion engine, E is air cooler,F is control system.
Compressor air inlet machine flow regulator comprises:
(1) be arranged at the intake and exhaust bypass line between blower outlet and the turbine inlet of described booster,Butterfly valve 1 (the first control valve) is set on intake and exhaust bypass line and controls the stream of blower outlet to turbine inletAmount, butterfly valve 1 can be switch valve, can be also adjustable valve;
(2) be arranged at the air inlet bypass bleeder pipe between the blower outlet of described booster and turbine outletRoad arranges butterfly valve 2 (the second control valve) control turbine inlet and is bypassed to outlet on air inlet bypass blowdown pipingFlow, butterfly valve 2 can be switch valve, can be also adjustable valve.
Between butterfly valve 1, butterfly valve 2 and pipeline, be connected with flange, two butterfly valves are normally off while shutdown, when operationCan not open simultaneously.
In the time that butterfly valve 1 is opened, butterfly valve 2 cuts out. Now a part of air inlet of blower outlet is by intake and exhaust bypassPipeline, enters into turbine through butterfly valve 1, promotes turbine and accelerates rotation, thereby drive on the rotating speed of boosterLiter, makes compressor compress more air and enters into internal combustion engine, thereby realizes the dosage adjusting of charge flow rate, asShown in Fig. 3.
In the time that butterfly valve 2 is opened, butterfly valve 1 cuts out. Now a part of air inlet at blower outlet place is by air inlet bypassBlowdown piping, enters into the pipeline after turbine outlet through butterfly valve 2, causes charge flow rate after supercharging to decline, therebyRealize the down-regulation of charge flow rate, as shown in Figure 4.
Intake and exhaust bypass line is connected by three-way pipe 5 with the exhaust main of internal combustion engine, air inlet bypass blowdown piping withTotal air escape pipe connects by three-way pipe 4, and intake and exhaust bypass line and air inlet bypass blowdown piping are by four-way pipe 3Connect.
Switching moment and/or the angle of butterfly valve 1 and butterfly valve 2 are controlled by the control system of internal combustion engine. Pass throughPrior Bench calibration is written to control strategy in control system, in the time of internal combustion engine operation by sensor by gatherThe coherent signal of the operational factors such as control valve front and back pressure, engine speed, boost pressure passes to control system,Control system, according to built-in control strategy output control signal, is carried out electronics control to the first control valve and the second control valveSystem.
In addition, in intake and exhaust bypass line, be also provided with nozzle 6, in air inlet bypass blowdown piping, be also provided with orifice plate 7.When the flow control accuracy of butterfly valve with require not in full conformity with time, can revise the valid circulation area of pipeline,Ensure the fine adjustment of flow. The dimensions of nozzle 6 and orifice plate 7 can be adjusted according to actual user demandChange.
More than describe preferred embodiment of the present utility model in detail. Should be appreciated that the ordinary skill of this areaPersonnel just can make many modifications and variations according to design of the present utility model without creative work. Therefore, allIn the art technical staff according to design of the present utility model on the basis of existing technology by logic analysis, push awayReason or the limited available technical scheme of experiment, all should be by the determined protection domain of claimsIn.
Claims (8)
1. an adjusting device for supercharger air compressor charge flow rate, is characterized in that, described adjusting device comprisesCompressor and turbine arrange intake and exhaust bypass line between described blower outlet and described turbine inlet,Between described blower outlet and the outlet of described turbine, air inlet bypass blowdown piping is set.
2. the adjusting device of a kind of supercharger air compressor charge flow rate as claimed in claim 1, is characterized in that,On described intake and exhaust bypass line, be provided with the first control valve.
3. the adjusting device of a kind of supercharger air compressor charge flow rate as claimed in claim 2, is characterized in that,Described the first control valve is connected with flange with described intake and exhaust bypass line.
4. the adjusting device of a kind of supercharger air compressor charge flow rate as claimed in claim 1, is characterized in that,In described intake and exhaust bypass line, be placed with nozzle.
5. the adjusting device of a kind of supercharger air compressor charge flow rate as claimed in claim 1, is characterized in that,On described air inlet bypass blowdown piping, be provided with the second control valve.
6. the adjusting device of a kind of supercharger air compressor charge flow rate as claimed in claim 5, is characterized in that,Described the second control valve is connected with flange with described air inlet bypass blowdown piping.
7. the adjusting device of a kind of supercharger air compressor charge flow rate as claimed in claim 1, is characterized in that,In described air inlet bypass blowdown piping, be placed with orifice plate.
8. the adjusting device of a kind of supercharger air compressor charge flow rate as claimed in claim 1, is characterized in that,Described intake and exhaust bypass line is connected by a four-way pipe with described air inlet bypass blowdown piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521098411.5U CN205243633U (en) | 2015-12-24 | 2015-12-24 | Booster compressor inlet flow's adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521098411.5U CN205243633U (en) | 2015-12-24 | 2015-12-24 | Booster compressor inlet flow's adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205243633U true CN205243633U (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521098411.5U Active CN205243633U (en) | 2015-12-24 | 2015-12-24 | Booster compressor inlet flow's adjusting device |
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| Country | Link |
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| CN (1) | CN205243633U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019052562A (en) * | 2017-09-13 | 2019-04-04 | 株式会社豊田自動織機 | Exhaust treatment device |
| CN114263545A (en) * | 2021-12-30 | 2022-04-01 | 潍柴动力股份有限公司 | Engine intake flow determination method and related device |
-
2015
- 2015-12-24 CN CN201521098411.5U patent/CN205243633U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019052562A (en) * | 2017-09-13 | 2019-04-04 | 株式会社豊田自動織機 | Exhaust treatment device |
| CN114263545A (en) * | 2021-12-30 | 2022-04-01 | 潍柴动力股份有限公司 | Engine intake flow determination method and related device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee after: The 711 Research Institute of China Shipbuilding Corp. Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee before: Shanghai Marine Diesel Engine Research Institute |
|
| CP01 | Change in the name or title of a patent holder |