CN105699069B - A kind of gas compensating type turbocharger performance testing stand and its test method - Google Patents
A kind of gas compensating type turbocharger performance testing stand and its test method Download PDFInfo
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- CN105699069B CN105699069B CN201610262515.8A CN201610262515A CN105699069B CN 105699069 B CN105699069 B CN 105699069B CN 201610262515 A CN201610262515 A CN 201610262515A CN 105699069 B CN105699069 B CN 105699069B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The present invention relates to a kind of gas compensating type turbocharger performance testing stand of turbocharging air source and its test methods, the testing stand includes moment making-up air device, the instantaneous making-up air device includes sequentially connected auxiliary gas storage turbocharger air compressor, tonifying Qi check valve, air accumulator and solenoid valve, test turbocharger is directly utilized to drive auxiliary gas storage turbocharger, since auxiliary gas storage turbocharger bore increases, the pressure after gas boosting can be improved, it can prevent from being vented unsmooth problem again, test provides power gas source with turbocharger tonifying Qi using air compressor, air accumulator storage gas reaches certain target pressure value, tonifying Qi is carried out with turbocharger to test by the unlatching of solenoid valve, influence of the external source tonifying Qi to the performance of turbocharger can be tested using the technology.This method is easy to operate, reliable for operation, can carry out testing and evaluation to the performance of external source compressed air gas compensating type turbocharger.
Description
Technical field
The present invention relates to vehicle component experimental technique fields, are tried more particularly to a kind of gas compensating type turbocharger performance
Test platform and its test method.
Background technology
Automobile is in starting, acceleration or load, due to turbocharger response lag etc. so that exhaust smoke is drastically
It increases, discharge pollution environment, harm healthy " black smoke ", while so that low engine speed torque is insufficient, acceleration is poor.Therefore,
The automobile of existing turbocharged engine is transformed using technical measures, improve the mapping of engine and reduces exhaust smoke,
It has great significance.More tolerance are supplied to improve engine performance to turbocharger, which is to improve engine wink
State property can and reduce a kind of effective ways of exhaust smoke.Influence using compressed air tonifying Qi technology to booster performance is small,
Response is fast.Test provides power gas source with turbocharger tonifying Qi using air compressor, by by blast injection to whirlpool
Front end is taken turns, turbocharger rotor rotation is accelerated, gas energy is converted to mechanical work or directly participates in burning, air inlet is improved and fills
Amount improves burning, reduces soot emissions.
Invention content
In view of this, the object of the present invention is to provide a kind of gas compensating type turbocharger performance testing stand and its experiment sides
Method, this method is easy to operate, reliable for operation, can the performance of external source compressed air gas compensating type turbocharger be tested and be commented
Estimate.
The present invention is realized using following scheme：A kind of gas compensating type turbocharger performance testing stand, including moment tonifying Qi dress
Set, the instantaneous making-up air device include sequentially connected auxiliary gas storage turbocharger air compressor, tonifying Qi check valve, air accumulator with
And solenoid valve；The testing stand further includes sequentially connected air compressor machine, air compressor gas valve, check valve, combustion chamber and ripple
The other end of pipe, the bellows is connected with the air inlet of test turbocharger turbine, the test turbocharging
One auxiliary gas storage turbocharger turbine is installed on the exhaust passage of device turbine, the test with turbocharger turbine also with
The test turbocharger air compressor and compressor air bleeding valve are in parallel；The auxiliary gas storage turbocharger turbine and institute
It is in parallel to state auxiliary gas storage turbocharger air compressor；The auxiliary gas storage turbocharger air compressor is connected to institute by air accumulator
State the air inlet of combustion chamber.
Further, the air compressor machine is provided with an air compressor machine pressure release on the interface channel of the air compressor gas valve
Valve.
Further, a muffler is connected between the air compressor gas valve and the check valve.
Further, a cooling system is connected between the air accumulator and the solenoid valve.
Further, the combustion chamber is also connected with an oil supply system.
Further, the auxiliary gas storage turbocharger turbine and the auxiliary gas storage turbocharger air compressor it
Between and test gas storage turbocharger turbine and the test be respectively connected with one with gas storage turbocharger air compressor
Lubricating system.
Further, the bore of the auxiliary gas storage turbocharger turbine is more than the mouth of test turbocharger turbine
Diameter.
Further, the bellows is provided with the first pressure on the interface channel of test turbocharger turbine
Force snesor, the first temperature sensor and first flow sensor；The inlet gas of the test turbocharger air compressor
Second pressure sensor and second temperature sensor are provided on channel；The test turbocharger air compressor with it is described
Third pressure sensor, third temperature sensor and second flow sensing are provided on the interface channel of compressor air bleeding valve
Device；Test turbocharger turbine is provided with the 4th on the interface channel of the auxiliary gas storage turbocharger turbine
Pressure sensor and the 4th temperature sensor.
Further, the testing stand further includes a data acquisition control system, and the data acquisition control system includes
One PIC-6238 capture cards and a RS-232 serial ports, the capture card and sensor, oil supply system, intake valve, air bleeding valve, pneumatics
Machine and compressor are connected；The RS-232 serial ports is connected with an intelligent revolution meter, and the intelligent revolution meter is also passed with a rotating speed
Sensor is connected.
In the present invention, a kind of test method of gas compensating type turbocharger performance testing stand, it is characterised in that：Including with
Lower step：
Step S1：Power on, pre- heat sensor, open data acquisition control system, starts lubricating system, adjustment oil
Pressure adjusts oil supply system pressure；
Step S2：Air compressor machine is opened, air compressor gas valve and compressor air bleeding valve are opened, closes solenoid valve；
Step S3：After steady air current, ignition switch is opened, the air-flow that air compressor machine introduces is behind combustion chamber through bellows
Into the air inlet of test turbocharger turbine, the exhaust gas through being overpressurized enters auxiliary gas storage turbocharger turbine and is discharged into
Air；
Step S4：It assists gas storage turbocharger air compressor that the air after being overpressurized is introduced air accumulator, works as air accumulator
Pressure when reaching desired value, opens solenoid valve carries out tonifying Qi to the test with turbocharger air compressor, is adopted by data
Collect the collected data of control system, draws the performance curve of test turbocharger before and after tonifying Qi.
Compared with prior art, the invention has the advantages that：
1, the testing stand can be by the opening and closing selection of solenoid valve to the superfeed pressure of test turbocharger, and test is not
With the influence to testing turbocharger performance in the case of superfeed pressure.
2, outer air source carries out tonifying Qi to turbocharger when the testing stand suddenly accelerates without using other energy simulated automotives, directly
It connects using test turbocharger driving auxiliary gas storage turbocharger, tonifying Qi, energy conservation and environmental protection is carried out to air accumulator.
3, the present invention can in advance to before and after tonifying Qi turbocharger performance carry out testing and evaluation, for booster with start
The matching R and D of machine provide data and support.
Description of the drawings
Fig. 1 is the hardware system block diagram of the present invention.
Fig. 2 is the functional block diagram of the control system of the present invention.
In figure：1 is air compressor machine, and 2 be air compressor machine relief valve, and 3 be air compressor gas valve, and 4 be muffler, and 5 be solenoid valve, 6
It is bellows for combustion chamber, 7,8 be test turbocharger turbine, and 9 be test turbocharger air compressor, and 10 be to calm the anger
Machine air bleeding valve, 11 be auxiliary gas storage turbocharger turbine, and 12 is unidirectional for tonifying Qi for auxiliary gas storage turbocharger air compressor, 13
Valve, 14 be air accumulator, and 15 be cooling system, and 16 be check valve, and A is oil supply system, and B is lubricating system, and P1 passes for first pressure
Sensor, P2 are second pressure sensor, and P3 is third pressure sensor, and P4 is the 4th pressure sensor, and T1 passes for the first temperature
Sensor, T2 are second temperature sensor, and T3 is third temperature sensor, and T4 is the 4th temperature sensor, and m1 passes for first flow
Sensor, m2 are second flow sensor.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and embodiments.
The present embodiment provides a kind of gas compensating type turbocharger performance testing stands, as shown in Figure 1, being filled including moment tonifying Qi
It sets, the instantaneous making-up air device includes sequentially connected auxiliary gas storage turbocharger air compressor 12, tonifying Qi check valve 13, gas storage
Tank 14 and solenoid valve 5；The testing stand further includes sequentially connected air compressor machine 1, air compressor gas valve 3, check valve 16, burning
The other end of room 6 and bellows 7, the bellows 7 is connected with test with the air inlet of turbocharger turbine 8, described
Test is used with an auxiliary gas storage turbocharger turbine 11, the test is equipped on the exhaust passage of turbocharger turbine 8
Turbocharger turbine 8 is also in parallel with test turbocharger air compressor 9 and compressor air bleeding valve 10；The auxiliary
Gas storage turbocharger turbine 11 is in parallel with the auxiliary gas storage turbocharger air compressor 12；The auxiliary gas storage turbocharging
Device compressor 12 is connected to the air inlet of the combustion chamber 6 by air accumulator 14.
In the present embodiment, the air compressor machine 1 is provided with an air compressor machine on the interface channel of the air compressor gas valve 3
Relief valve 2.
In the present embodiment, a muffler 4 is connected between the air compressor gas valve 3 and the check valve 16.
In the present embodiment, a cooling system 15 is connected between the air accumulator 14 and the solenoid valve 5.
In the present embodiment, the combustion chamber 6 is also connected with an oil supply system A.
In the present embodiment, the auxiliary gas storage turbocharger turbine 11 is calmed the anger with the auxiliary gas storage turbocharger
Between machine 12 and the test uses gas storage turbocharger air compressor 9 equal with gas storage turbocharger turbine 8 and the test
It is connected with a lubricating system B.
In the present embodiment, the bore of the auxiliary gas storage turbocharger turbine 11 is more than test turbocharger whirlpool
The bore of wheel 8.
In the present embodiment, the bellows 7 is provided with the test on the interface channel of turbocharger turbine 8
First pressure sensor P1, the first temperature sensor T1 and first flow sensor m1；Test turbocharger pressure
Second pressure sensor P2 and second temperature sensor T2 is provided on the inlet gas channel of mechanism of qi 9；The test turbine
Supercharger air compressor 9 is provided with third pressure sensor P3, third temperature on the interface channel of the compressor air bleeding valve 10
Sensor T3 and second flow sensor m2；The test turbocharger turbine 8 and the auxiliary gas storage turbocharging
The 4th pressure sensor P4 and the 4th temperature sensor T4 is provided on the interface channel of device turbine 11.
In the present embodiment, the testing stand further includes a data acquisition control system, the data acquisition control system
Including a PIC-6238 capture cards and a RS-232 serial ports, the capture card and sensor, oil supply system, intake valve, air bleeding valve,
Air compressor machine and compressor are connected；The RS-232 serial ports is connected with an intelligent revolution meter, the intelligent revolution meter also with one turn
Fast sensor is connected.
In the present embodiment, a kind of test method of gas compensating type turbocharger performance testing stand, it is characterised in that：Including
Following steps：
Step S1：Power on, pre- heat sensor, open data acquisition control system, starts lubricating system B, adjustment oil
Pressure adjusts oil supply system A pressure；
Step S2：Air compressor machine 1 is opened, air compressor gas valve 3 and compressor air bleeding valve 10 are opened, closes solenoid valve 5；
Step S3：After steady air current, ignition switch is opened, the air-flow that air compressor machine introduces is behind combustion chamber 6 through ripple
Pipe 7 enters the air inlet of test turbocharger turbine 9, and the exhaust gas through being overpressurized enters auxiliary gas storage turbocharger turbine
11 are discharged into air；
Step S4：It assists gas storage turbocharger air compressor 12 that the air after being overpressurized is introduced air accumulator 14, works as storage
When the pressure of gas tank 14 reaches desired value, opens solenoid valve 5 carries out tonifying Qi to the test with turbocharger air compressor 9, leads to
The collected data of data acquisition control system are crossed, the performance curve of test turbocharger before and after tonifying Qi is drawn.
During above-mentioned experiment, by observing the pressure size of air accumulator 14, the opening and closing of solenoid valve 5 is determined.Air compressor machine into
Air valve 3, compressor air bleeding valve 10, air compressor machine relief valve 2 are controlled by industrial personal computer program, are executed in the form of signal exports,
The opening and closing of the switch of feedback cycle and each valve, combustion ignition are switched by manual control.
Air source carries out tonifying Qi, directly profit to turbocharger outside when the present invention suddenly accelerates without using other energy simulated automotives
Auxiliary gas storage turbocharger is driven with test turbocharger, it, can since auxiliary gas storage turbocharger bore increases
The pressure after gas boosting is improved, and can prevent from being vented unsmooth problem, test is compressed with turbocharger tonifying Qi using air
Machine provides power gas source, and air accumulator storage gas reaches certain target pressure value, by the unlatching of solenoid valve to test
Tonifying Qi is carried out with turbocharger, influence of the external source tonifying Qi to the performance of turbocharger can be tested using the technology.
The check test platform that case study on implementation of the present invention provides can not only meet the performance test of common vehicle turbocharger
It examines, the performance test of variable-area turbocharger (VGT), energy conservation and environmental protection can also be applicable in, high degree of automation is suitable for
Colleges and universities, scientific research institution's experimental study and enterprise product test, scalability are strong.
Aforesaid operations flow and software and hardware configuration are only used as case study on implementation of the present invention, not make any shape to the present invention
Limitation in formula.Any technical person familiar with the field may be by the case where not departing from technical solution of the present invention
The above method and technology contents make many possible variations or modification to technical solution of the present invention.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of gas compensating type turbocharger performance testing stand, it is characterised in that：Including instantaneous making-up air device, the instantaneous tonifying Qi
Device includes sequentially connected auxiliary gas storage turbocharger air compressor, tonifying Qi check valve, air accumulator and solenoid valve；The examination
It further includes sequentially connected air compressor machine, air compressor gas valve, check valve, combustion chamber and bellows, the bellows to test platform
The other end with test turbocharger turbine air inlet be connected, the exhaust passage of the test turbocharger turbine
On an auxiliary gas storage turbocharger turbine is installed, the test with turbocharger turbine also with test turbocharger
Compressor and compressor air bleeding valve are in parallel；The auxiliary gas storage turbocharger turbine and the auxiliary gas storage turbocharger
Compressor is in parallel；The auxiliary gas storage turbocharger air compressor is connected to the air inlet of the combustion chamber by air accumulator.
2. a kind of gas compensating type turbocharger performance testing stand according to claim 1, it is characterised in that：The air compressor machine
With an air compressor machine relief valve is provided on the interface channel of the air compressor gas valve.
3. a kind of gas compensating type turbocharger performance testing stand according to claim 1, it is characterised in that：The air compressor machine
A muffler is connected between intake valve and the check valve.
4. a kind of gas compensating type turbocharger performance testing stand according to claim 1, it is characterised in that：The air accumulator
A cooling system is connected between the solenoid valve.
5. a kind of gas compensating type turbocharger performance testing stand according to claim 1, it is characterised in that：The combustion chamber
Also it is connected with an oil supply system.
6. a kind of gas compensating type turbocharger performance testing stand according to claim 1, it is characterised in that：The auxiliary storage
Between air turbine booster turbine and the auxiliary gas storage turbocharger air compressor and turbocharger whirlpool is used in the test
Wheel and the test are with being respectively connected with a lubricating system between turbocharger air compressor.
7. a kind of gas compensating type turbocharger performance testing stand according to claim 1, it is characterised in that：The auxiliary storage
The bore of air turbine booster turbine is more than the bore of test turbocharger turbine.
8. a kind of gas compensating type turbocharger performance testing stand according to claim 1, it is characterised in that：The bellows
Be provided on the interface channel of the test turbocharger turbine first pressure sensor, the first temperature sensor and
First flow sensor；Be provided on the inlet gas channel of the test turbocharger air compressor second pressure sensor with
And second temperature sensor；The test turbocharger air compressor is arranged on the interface channel of the compressor air bleeding valve
There are third pressure sensor, third temperature sensor and second flow sensor；The test turbocharger turbine with
It is provided with the 4th pressure sensor and the 4th temperature sensor on the interface channel of the auxiliary gas storage turbocharger turbine.
9. a kind of gas compensating type turbocharger performance testing stand according to claim 8, it is characterised in that：The testing stand
Further include a data acquisition control system, the data acquisition control system includes that a PIC-6238 capture cards and a RS-232 go here and there
Mouthful, the capture card and first to fourth pressure sensor, first to fourth temperature sensor, first to second flow sensing
Device, oil supply system, intake valve, air bleeding valve, air compressor machine and test turbocharger air compressor, auxiliary gas storage turbocharger
Compressor is connected；The RS-232 serial ports is connected with an intelligent revolution meter, the intelligent revolution meter also with a speed probe phase
Even, the oil supply system is connected with combustion chamber.
10. a kind of test method based on gas compensating type turbocharger performance testing stand described in claim 9, it is characterised in that：
Between the auxiliary gas storage turbocharger turbine and the auxiliary gas storage turbocharger air compressor and test whirlpool
Wheel booster turbine and the test are with being respectively connected with a lubricating system between turbocharger air compressor；
The test method includes the following steps：
Step S1：Power on, first to fourth pressure sensor of preheating, first to fourth temperature sensor, the first to the second
Flow sensor opens data acquisition control system, starts lubricating system, adjusts oil pressure, adjusts oil supply system pressure；
Step S2：Air compressor machine is opened, air compressor gas valve and compressor air bleeding valve are opened, closes solenoid valve；
Step S3：After steady air current, ignition switch is opened, the air-flow that air compressor machine introduces enters behind combustion chamber through bellows
The air inlet of test turbocharger turbine, the exhaust gas through being overpressurized enter auxiliary gas storage turbocharger turbine and are discharged into greatly
Gas；
Step S4：Assist gas storage turbocharger air compressor that the air after being overpressurized is introduced air accumulator, when the pressure of air accumulator
When power reaches desired value, opens solenoid valve carries out tonifying Qi to the test with turbocharger air compressor, is acquired and is controlled by data
The collected data of system processed draw the performance curve of test turbocharger before and after tonifying Qi.
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| CN201610262515.8A CN105699069B (en) | 2016-04-26 | 2016-04-26 | A kind of gas compensating type turbocharger performance testing stand and its test method |
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| CN201610262515.8A CN105699069B (en) | 2016-04-26 | 2016-04-26 | A kind of gas compensating type turbocharger performance testing stand and its test method |
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| CN105699069B true CN105699069B (en) | 2018-10-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107490475A (en) * | 2017-09-19 | 2017-12-19 | 福州大学 | A kind of turbocharger performance testing stand and test method with exhaust energy recovery |
| CN107727402B (en) * | 2017-09-28 | 2019-10-08 | 上海交通大学 | Turbochargers in Diesel Engines durable reliability test device |
| CN107725454A (en) * | 2017-10-28 | 2018-02-23 | 中航长沙设计研究院有限公司 | Two-spool compressor testing stand |
| CN108801641B (en) * | 2018-04-20 | 2020-03-10 | 上海船舶运输科学研究所 | Fault diagnosis and reliability prediction method and system for exhaust gas turbocharger |
| CN112729856B (en) * | 2020-12-23 | 2023-03-17 | 南京航腾机电科技有限公司 | Air turbine starter combined test platform system of observing and controling |
| CN112834230B (en) * | 2021-01-21 | 2022-05-24 | 北京理工大学 | Wide-range turbocharger turbine performance test bench |
| CN112857717B (en) * | 2021-01-25 | 2022-12-13 | 北京科技大学 | Vibration excitation method rigidity measurement tool and measurement method |
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| JP2008203136A (en) * | 2007-02-21 | 2008-09-04 | Tokyo Electric Power Co Inc:The | Power source box for testing motor-operated valve, and inspection method for motor-operated valve |
| CN102798520A (en) * | 2012-08-10 | 2012-11-28 | 任彦领 | Comprehensive test bench of turbocharger |
| CN103487251B (en) * | 2013-10-18 | 2015-11-18 | 福州大学 | Based on electrically heated turbosupercharger check test platform and turbocharger performance test method |
| CN103527349A (en) * | 2013-10-31 | 2014-01-22 | 南京林业大学 | Device and method for air supply of diesel engine |
| CN104729847B (en) * | 2015-04-08 | 2017-06-06 | 福州大学 | The method for subtracting the turbocharger test platform and inspection turbocharger performance of energy consumption based on drop pollution |
| CN205785771U (en) * | 2016-04-26 | 2016-12-07 | 福州大学 | A kind of gas compensating type turbocharger performance testing stand of turbocharging source of the gas |
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