CN105699069A - Turbocharging air source air supplementing turbocharger performance test stand and test method thereof - Google Patents
Turbocharging air source air supplementing turbocharger performance test stand and test method thereof Download PDFInfo
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- CN105699069A CN105699069A CN201610262515.8A CN201610262515A CN105699069A CN 105699069 A CN105699069 A CN 105699069A CN 201610262515 A CN201610262515 A CN 201610262515A CN 105699069 A CN105699069 A CN 105699069A
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- G—PHYSICS
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- 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
Abstract
The invention relates to a turbocharging air source air supplementing turbocharger performance test stand and a test method thereof. The test stand comprises an instant air supplementing device which comprises an auxiliary air storage turbocharger compressor, an air supplementing one-way valve, an air storage tank and an electromagnetic valve which are connected in turn. A test turbocharger is directly utilized to drive an auxiliary air storage turbocharger. The aperture of the auxiliary air storage turbocharger is increased so that pressure after air pressurization can be enhanced, and the problem of air exhaust blocking can also be prevented. Air supplementing of the test turbocharger utilizes an air compressor to supply a power air source. The air storage tank stores air so as to achieve a certain target pressure value. Air supplementing of the test turbocharger is performed by opening the electromagnetic valve. Influence of air supplementing of the external source on the performance of the turbocharger can be tested by utilizing the technology. The method is easy and convenient to operate and reliable in operation, and can test and assess the performance of the external source compressed air supplementing turbocharger.
Description
Technical field
The present invention relates to vehicle component experimental technique field, particularly relate to gas compensating type turbocharger performance testing stand and the test method thereof of a kind of turbocharging source of the gas。
Background technology
Automobile starting, accelerate or load time, due to reasons such as turbocharger response lags so that exhaust smoke sharply raises, discharge contaminated environment, health risk " black smoke ", make low engine speed moment of torsion not enough simultaneously, acceleration is poor。Therefore, adopt technical measures to transform the automobile of existing turbocharged engine, improve the mapping of electromotor and reduce exhaust smoke, having great significance。Supplying more tolerance to improve engine performance to turbocharger, this technology is to improve engine transient performance and reduce a kind of effective ways of exhaust smoke。Use compression air QI invigorating technology is little on the impact of booster performance, response is fast。Test turbocharger QI invigorating utilizes air compressor to provide power gas source, by by blast injection to turbine front end, accelerating turbocharger rotor and rotate, gas energy is converted into mechanical power or directly participates in burning, improve charge, improve burning, reduce soot emissions。
Summary of the invention
In view of this, it is an object of the invention to provide the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas and test method thereof, the method is easy and simple to handle, reliable, and the performance that external source can be compressed air gas compensating type turbocharger is tested and assessed。
The present invention adopts below scheme to realize: the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas, including moment making-up air device, described instantaneous making-up air device includes the auxiliary gas storage turbocharger air compressor, QI invigorating check valve, air accumulator and the electromagnetic valve that are sequentially connected with；Described testing stand also includes the air compressor machine, air compressor gas valve, check valve, combustor and the corrugated tube that are sequentially connected with, the other end of described corrugated tube is connected with the air inlet of test turbocharger turbine, being provided with an auxiliary gas storage turbocharger turbine on the exhaust passage of described test turbocharger turbine, described test turbocharger turbine is also in parallel with described test turbocharger air compressor and compressor air bleeding valve；Described auxiliary gas storage turbocharger turbine is in parallel with described auxiliary gas storage turbocharger air compressor；Described auxiliary gas storage turbocharger air compressor is connected to the air inlet of described combustor by air accumulator。
Further, described air compressor machine and the interface channel of described air engine intake valve are provided with an air engine relief valve。
Further, a deafener it is connected between described air compressor gas valve and described check valve。
Further, a cooling system it is connected between described air accumulator and described electromagnetic valve。
Further, described combustor is also connected with an oil supply system。
Further, between described auxiliary gas storage turbocharger turbine and described auxiliary gas storage turbocharger air compressor and described test gas storage turbocharger turbine and described test gas storage turbocharger air compressor be respectively connected with a lubricating system。
Further, the bore of described auxiliary gas storage turbocharger turbine is more than the bore of test turbocharger turbine。
Further, described corrugated tube and the interface channel of described test turbocharger turbine are provided with the first pressure transducer, the first temperature sensor and first flow sensor；The inlet gas passage of described test turbocharger air compressor is provided with the second pressure transducer and the second temperature sensor；Described test turbocharger air compressor and the interface channel of described compressor air bleeding valve are provided with the 3rd pressure transducer, three-temperature sensor and second flow sensor；Described test turbocharger turbine and the interface channel of described auxiliary gas storage turbocharger turbine are provided with the 4th pressure transducer and the 4th temperature sensor。
Further, described testing stand also includes a data acquisition control system, described data acquisition control system includes a PIC-6238 capture card and a RS-232 serial ports, and described capture card is connected with sensor, oil supply system, intake valve, air bleeding valve, air compressor machine and compressor；Described RS-232 serial ports and an intelligent revolution meter are connected, and described intelligent revolution meter is also connected with a speed probe。
In the present invention, the test method of the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas, it is characterised in that: comprise the following steps:
Step S1: switch on power, pre-heat sensor, open data acquisition control system, start lubricating system, adjust oil pressure, adjust oil supply system pressure；
Step S2: open air compressor machine, opens air compressor gas valve and compressor air bleeding valve, closes electromagnetic valve；
Step S3: after steady air current, opens ignition switch, and the air-flow that air compressor machine introduces enters the air inlet of test turbocharger turbine after combustor through corrugated tube, and the waste gas through pressurization enters auxiliary gas storage turbocharger turbine and enters air；
Step S4: the air after pressurization is introduced air accumulator by auxiliary gas storage turbocharger air compressor, when the pressure of air accumulator reaches desired value, described test turbocharger air compressor is carried out QI invigorating by opens solenoid valve, by the data collected of data acquisition control system, draw the performance curve of test turbocharger before and after QI invigorating。
Compared with prior art, present invention have the advantage that
1, this testing stand can pass through the opening and closing selection of the electromagnetic valve superfeed pressure to test turbocharger, on the impact testing turbocharger performance in the different superfeed pressure situation of test。
2, outside when this testing stand does not use other energy simulated automotives suddenly to accelerate, turbocharger is carried out QI invigorating by source of the gas, directly utilizes test turbocharger and drives auxiliary gas storage turbocharger, air accumulator is carried out QI invigorating, energy-conserving and environment-protective。
3, the performance of turbocharger before and after QI invigorating can be tested and assess by the present invention in advance, provides data support for supercharger with the R and D of mating of electromotor。
Accompanying drawing explanation
Fig. 1 is the hardware system block diagram of the present invention。
Fig. 2 is the theory diagram of the control system of the present invention。
In figure: 1 is air compressor machine, 2 is air compressor machine relief valve, 3 is air compressor gas valve, 4 is deafener, 5 is electromagnetic valve, 6 is combustor, 7 is corrugated tube, 8 is test turbocharger turbine, 9 is test turbocharger air compressor, 10 is compressor air bleeding valve, 11 is auxiliary gas storage turbocharger turbine, 12 is auxiliary gas storage turbocharger air compressor, 13 is QI invigorating check valve, 14 is air accumulator, 15 is cooling system, 16 is check valve, A is oil supply system, B is lubricating system, P1, P2, P3, P4 is pressure transducer, T1, T2, T3 is temperature sensor, m1, m2 is flow transducer。
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described。
The present embodiment provides the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas, as shown in Figure 1, including moment making-up air device, described instantaneous making-up air device includes the auxiliary gas storage turbocharger air compressor 12, QI invigorating check valve 13, air accumulator 14 and the electromagnetic valve 5 that are sequentially connected with；Described testing stand also includes the air compressor machine 1, air compressor gas valve 3, check valve 16, combustor 6 and the corrugated tube 7 that are sequentially connected with, the other end of described corrugated tube 7 is connected with the air inlet of test turbocharger turbine 8, being provided with an auxiliary gas storage turbocharger turbine 11 on the exhaust passage of described test turbocharger turbine 8, described test turbocharger turbine 8 is also in parallel with described test turbocharger air compressor 9 and compressor air bleeding valve 10；Described auxiliary gas storage turbocharger turbine 11 is in parallel with described auxiliary gas storage turbocharger air compressor 12；Described auxiliary gas storage turbocharger air compressor 12 is connected to the air inlet of described combustor 6 by air accumulator 14。
In the present embodiment, described air compressor machine 1 and the interface channel of described air engine intake valve 3 are provided with an air engine relief valve 2。
In the present embodiment, a deafener 4 it is connected between described air compressor gas valve 3 and described check valve 16。
In the present embodiment, a cooling system 15 it is connected between described air accumulator 14 and described electromagnetic valve 5。
In the present embodiment, described combustor 6 is also connected with an oil supply system A。
In the present embodiment, between described auxiliary gas storage turbocharger turbine 11 and described auxiliary gas storage turbocharger air compressor 12 and described test gas storage turbocharger turbine 8 be respectively connected with a lubricating system B with described test gas storage turbocharger air compressor 9。
In the present embodiment, the bore of described auxiliary gas storage turbocharger turbine 11 is more than the bore of test turbocharger turbine 8。
In the present embodiment, described corrugated tube 7 and the interface channel of described test turbocharger turbine 8 are provided with the first pressure transducer P1, the first temperature sensor T1 and first flow sensor m1；The inlet gas passage of described test turbocharger air compressor 9 is provided with the second pressure transducer P2 and the second temperature sensor T2；Described test turbocharger air compressor 9 and the interface channel of described compressor air bleeding valve 10 are provided with the 3rd pressure transducer P3, three-temperature sensor T3 and second flow sensor m2；Described test turbocharger turbine 8 and the interface channel of described auxiliary gas storage turbocharger turbine 11 are provided with the 4th pressure transducer P4 and the 4th temperature sensor T4。
In the present embodiment, described testing stand also includes a data acquisition control system, described data acquisition control system includes a PIC-6238 capture card and a RS-232 serial ports, and described capture card is connected with sensor, oil supply system, intake valve, air bleeding valve, air compressor machine and compressor；Described RS-232 serial ports and an intelligent revolution meter are connected, and described intelligent revolution meter is also connected with a speed probe。
In the present embodiment, the test method of the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas, it is characterised in that: comprise the following steps:
Step S1: switch on power, pre-heat sensor, open data acquisition control system, start lubricating system B, adjust oil pressure, adjust oil supply system A pressure；
Step S2: open air compressor machine 1, opens air compressor gas valve 3 and compressor air bleeding valve 10, closes electromagnetic valve 5；
Step S3: after steady air current, opens ignition switch, and the air-flow that air compressor machine introduces enters the air inlet of test turbocharger turbine 9 after combustor 6 through corrugated tube 7, and the waste gas through pressurization enters auxiliary gas storage turbocharger turbine 11 and enters air；
Step S4: the air after pressurization is introduced air accumulator 14 by auxiliary gas storage turbocharger air compressor 12, when the pressure of air accumulator 14 reaches desired value, described test turbocharger air compressor 9 is carried out QI invigorating by opens solenoid valve 5, by the data collected of data acquisition control system, draw the performance curve of test turbocharger before and after QI invigorating。
In above-mentioned process of the test, by observing the pressure size of air accumulator 14, determine the opening and closing of electromagnetic valve 5。Air compressor gas valve 3, compressor air bleeding valve 10, air compressor machine relief valve 2, each through industrial computer programme-control, performs with the form of signal output, the opening and closing of the switch of feedback cycle and each valve, and combustion ignition switchs by Artificial Control。
Outside when the present invention does not use other energy simulated automotives suddenly to accelerate, turbocharger is carried out QI invigorating by source of the gas, directly utilize test turbocharger and drive auxiliary gas storage turbocharger, owing to auxiliary gas storage turbocharger bore increases, the pressure after gas boosting can be improved, the problem that aerofluxus is not smooth can be prevented again, test turbocharger QI invigorating utilizes air compressor to provide power gas source, air accumulator stores gas and reaches certain target pressure value, by the unlatching of electromagnetic valve, test turbocharger is carried out QI invigorating, utilize this technology can test the impact on the performance of turbocharger of the external source QI invigorating。
The check test platform that the invention process case provides can not only meet the performance test inspection of common vehicle turbocharger, the performance test of variable-area turbocharger (VGT) can also be suitable for, energy-conserving and environment-protective, automaticity is high, testing suitable in colleges and universities, scientific research institution's experimental study and enterprise product, extensibility is strong。
Aforesaid operations flow process and software and hardware configuration, be only used as the invention process case, and the present invention not makes any pro forma restriction。Any those of ordinary skill in the art, when without departing from technical solution of the present invention, may be by said method and technology contents and technical solution of the present invention are made many possible variations or amendment。
The foregoing is only presently preferred embodiments of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of the present invention。
Claims (10)
1. the gas compensating type turbocharger performance testing stand of a turbocharging source of the gas, it is characterized in that: include moment making-up air device, described instantaneous making-up air device includes the auxiliary gas storage turbocharger air compressor, QI invigorating check valve, air accumulator and the electromagnetic valve that are sequentially connected with；Described testing stand also includes the air compressor machine, air compressor gas valve, check valve, combustor and the corrugated tube that are sequentially connected with, the other end of described corrugated tube is connected with the air inlet of test turbocharger turbine, being provided with an auxiliary gas storage turbocharger turbine on the exhaust passage of described test turbocharger turbine, described test turbocharger turbine is also in parallel with described test turbocharger air compressor and compressor air bleeding valve；Described auxiliary gas storage turbocharger turbine is in parallel with described auxiliary gas storage turbocharger air compressor；Described auxiliary gas storage turbocharger air compressor is connected to the air inlet of described combustor by air accumulator。
2. the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas according to claim 1, it is characterised in that: described air compressor machine and the interface channel of described air engine intake valve are provided with an air engine relief valve。
3. the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas according to claim 1, it is characterised in that: it is connected to a deafener between described air compressor gas valve and described check valve。
4. the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas according to claim 1, it is characterised in that: it is connected to a cooling system between described air accumulator and described electromagnetic valve。
5. the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas according to claim 1, it is characterised in that: described combustor is also connected with an oil supply system。
6. the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas according to claim 1, it is characterised in that: between described auxiliary gas storage turbocharger turbine and described auxiliary gas storage turbocharger air compressor and described test gas storage turbocharger turbine and described test gas storage turbocharger air compressor be respectively connected with a lubricating system。
7. the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas according to claim 1, it is characterised in that: the bore of described auxiliary gas storage turbocharger turbine is more than the bore of test turbocharger turbine。
8. the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas according to claim 1, it is characterised in that: described corrugated tube and the interface channel of described test turbocharger turbine are provided with the first pressure transducer, the first temperature sensor and first flow sensor；The inlet gas passage of described test turbocharger air compressor is provided with the second pressure transducer and the second temperature sensor；Described test turbocharger air compressor and the interface channel of described compressor air bleeding valve are provided with the 3rd pressure transducer, three-temperature sensor and second flow sensor；Described test turbocharger turbine and the interface channel of described auxiliary gas storage turbocharger turbine are provided with the 4th pressure transducer and the 4th temperature sensor。
9. the gas compensating type turbocharger performance testing stand of a kind of turbocharging source of the gas according to claim 1, it is characterized in that: described testing stand also includes a data acquisition control system, described data acquisition control system includes a PIC-6238 capture card and a RS-232 serial ports, and described capture card is connected with sensor, oil supply system, intake valve, air bleeding valve, air compressor machine and compressor；Described RS-232 serial ports and an intelligent revolution meter are connected, and described intelligent revolution meter is also connected with a speed probe。
10. the test method based on the gas compensating type turbocharger performance testing stand of the turbocharging source of the gas described in claim 1, it is characterised in that: comprise the following steps:
Step S1: switch on power, pre-heat sensor, open data acquisition control system, start lubricating system, adjust oil pressure, adjust oil supply system pressure；
Step S2: open air compressor machine, opens air compressor gas valve and compressor air bleeding valve, closes electromagnetic valve；
Step S3: after steady air current, opens ignition switch, and the air-flow that air compressor machine introduces enters the air inlet of test turbocharger turbine after combustor through corrugated tube, and the waste gas through pressurization enters auxiliary gas storage turbocharger turbine and enters air；
Step S4: the air after pressurization is introduced air accumulator by auxiliary gas storage turbocharger air compressor, when the pressure of air accumulator reaches desired value, described test turbocharger air compressor is carried out QI invigorating by opens solenoid valve, by the data collected of data acquisition control system, draw the performance curve of test turbocharger before and after QI invigorating。
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| CN112834230A (en) * | 2021-01-21 | 2021-05-25 | 北京理工大学 | Wide-range turbocharger turbine performance test bench |
| CN112857717A (en) * | 2021-01-25 | 2021-05-28 | 北京科技大学 | Vibration excitation method rigidity measurement tool and measurement method |
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| CN112857717A (en) * | 2021-01-25 | 2021-05-28 | 北京科技大学 | Vibration excitation method rigidity measurement tool and measurement method |
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