CN107490475A - A kind of turbocharger performance testing stand and test method with exhaust energy recovery - Google Patents
A kind of turbocharger performance testing stand and test method with exhaust energy recovery Download PDFInfo
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- CN107490475A CN107490475A CN201710847313.4A CN201710847313A CN107490475A CN 107490475 A CN107490475 A CN 107490475A CN 201710847313 A CN201710847313 A CN 201710847313A CN 107490475 A CN107490475 A CN 107490475A
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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
Abstract
The present invention relates to a kind of turbocharger performance testing stand and test method with exhaust energy recovery, including turbocharger turbine and turbocharger air compressor, the turbocharger turbine is sequentially connected bellows, combustion chamber, first check valve, muffler, intake valve and air blower, wherein turbocharger turbine, bellows, combustion chamber is parallel with the turbocharger air compressor being sequentially connected, air bleeding valve, first charge air cooler and the second check valve, magnetic valve is connected with turn between the air bleeding valve and the first charge air cooler, second charge air cooler and the 3rd check valve and air accumulator, the charge valve output end that the air accumulator is also connected on the exhaust pipe of engine with side is connected, the exhaust pipe of engine is provided with exhaust dish valve；Exhaust gas valve in parallel in the air inlet pipe and blast pipe of turbocharger turbine, turbocharger performance test platform structure of the present invention with exhaust energy recovery is simple, reasonable in design, and low manufacture cost, the test method is easy to operate, reliable.
Description
Technical field：
The present invention relates to a kind of vehicle turbocharger testing stand, more particularly to a kind of turbocharger with exhaust energy recovery
Performance test stand and test method, belong to vehicle component experimental technique field.
Background technology：
When generally the engine with turbocharger is run to high speed high load working condition, exhaust gas valve bypasses portion, with limit
Boost pressure and supercharger speed processed, due to the bypass action of exhaust gas valve, current turbine booster does not reclaim engine fully
Exhaust energy.Therefore, existing automobile is transformed using technical measures, implements energy regenerating, improve performance and the raising of engine
Fuel economy has great significance.In the research and development of engine and verification process, bench test be detection performance index and
The important step of reliability.When existing testing stand carries out waste gas recovery, there is a little shortcoming, such as：Composite turbocharging device is tested
Platform is complicated compared to single turbocharger testing stand, pipeline structure；Electric auxiliary turbine pressurizer testing stand is expensive, reliability
Difference, it is easily caused secondary pollution.
The content of the invention：
, should it is an object of the invention to provide a kind of turbocharger performance testing stand and test method with exhaust energy recovery
Turbocharger performance test platform structure with exhaust energy recovery is simple, reasonable in design, low manufacture cost, test method behaviour
Make simplicity, it is reliable, the exhaust energy bypassed under high speed high load working condition by exhaust gas valve, the pressure of air accumulator storage can be reclaimed
Air inlet of the contracting air as engine, carry out second compression again.
Turbocharger performance testing stand of the present invention with exhaust energy recovery, including turbocharger turbine 8 and turbine
Supercharger air compressor 9, it is characterised in that：It is unidirectional that the turbocharger turbine 8 is sequentially connected bellows 6, combustion chamber 5, first
Valve 4, muffler 3, intake valve 2 and air blower 1, wherein turbocharger turbine 8, bellows 6, combustion chamber 5 are parallel with and connected successively
The turbocharger air compressor 9, air bleeding valve 10, the first charge air cooler 15 and the second check valve 16 connect, the He of air bleeding valve 10
It is connected with magnetic valve 11, the second charge air cooler 12 and the 3rd check valve 13 and air accumulator 14 between first charge air cooler 15 in turn, it is described
The charge valve A7 output ends that air accumulator 14 is also connected on the exhaust pipe of engine with side are connected, and the exhaust pipe of engine is provided with exhaust dish
Valve；Exhaust gas valve 7 in parallel in the air inlet pipe 19 and blast pipe 20 of turbocharger turbine 8, the turbocharger being sequentially connected
Compressor 9, air bleeding valve 10, the first charge air cooler 15 and the second check valve 16 form testing stand self-circulation system, described to be sequentially connected
Magnetic valve 11, the second charge air cooler 12 and the 3rd check valve 13 and air accumulator 14 form exhaust energy retracting device.
Further, it is other between above-mentioned air blower 1 and intake valve 2 to be connected to gas bleeder valve 18.
Further, the pipeline between above-mentioned turbocharger air compressor 9 and air bleeding valve 10, turbocharger turbine 8 with
Pipeline between bellows 6 is provided with pressure sensor, temperature sensor and flow sensor.
Further, in the air inlet pipe 21 of above-mentioned turbocharger air compressor 9 and the blast pipe 20 of turbocharger turbine 8
Provided with pressure sensor and temperature sensor, pressure gauge is connected with the air accumulator 14.
Further, oil supply system, the turbocharger turbine 8 and turbocharger pressure are connected to by above-mentioned combustion chamber 5
Lubricating system is connected to by mechanism of qi 9.
The test method of turbocharger performance testing stand of the present invention with exhaust energy recovery, it is characterised in that：It is described
Turbocharger performance testing stand with exhaust energy recovery includes turbocharger turbine 8 and turbocharger air compressor 9, its
It is characterised by：The turbocharger turbine 8 is sequentially connected bellows 6, combustion chamber 5, the first check valve 4, muffler 3, air inlet
Valve 2 and air blower 1, wherein turbocharger turbine 8, bellows 6, combustion chamber 5 are parallel with the turbocharging being sequentially connected
Device compressor 9, air bleeding valve 10, the first charge air cooler 15 and the second check valve 16, between the charge air cooler 15 of air bleeding valve 10 and first
It is connected with magnetic valve 11, the second charge air cooler 12 and the 3rd check valve 13 and air accumulator 14 in turn, the air accumulator 14 also connects with side
Charge valve A7 output ends connection on the exhaust pipe of engine, the exhaust pipe of engine are provided with exhaust dish valve；Turbocharger whirlpool
Exhaust gas valve 7 in parallel in the air inlet pipe 19 and blast pipe 20 of wheel 8, turbocharger air compressor 9, the air bleeding valve being sequentially connected
10th, the first charge air cooler 15 and the second check valve 16 form testing stand self-circulation system, the magnetic valve 11, second being sequentially connected
The check valve 13 of charge air cooler 12 and the 3rd and air accumulator 14 form exhaust energy retracting device；During work, air blower intake valve is opened
2, compressor air bleeding valve 10, magnetic valve 11, air blower relief valve 18 is closed, close exhaust gas valve 7, opened air blower 1, treat system wind
Press, stability of flow, unlatching engine ignition switch, the air in testing stand pipeline flows through combustion chamber 5, and burning waste gas enters ripple
Pipe 6, into the air inlet pipe 19 of turbocharger turbine 8 and turbocharger turbine 8, turbocharger rotor is accelerated to rotate, waste gas
Air is discharged into by blast pipe 20；Turbine rotation drives the coaxial wheel rotation of turbocharger air compressor 9, and compressed air enters
Turbocharger air compressor 9, the air bleeding valve 10 of testing stand self-circulation system, through the charge air cooler 12 of magnetic valve 11 and charge air cooler 15, stream
Enter air accumulator 14；When the pressure of air accumulator 14 reaches desired value, magnetic valve 11 is closed, opens exhaust gas valve 7, waste gas is bypassed into
In blast pipe 20 and air.
Further, during above-mentioned experiment, by observing the pressure size of air accumulator 14, magnetic valve 11 and waste gas are determined
The opening and closing of valve 7, after magnetic valve 11 is closed, replaceable new air accumulator storing compressed air, or keep magnetic valve 11 to open, it will store up
The compressed air of the storage recovery of gas tank 11 carries out second compression again as the air inlet of engine；Air blower relief valve 18, air blower enter
Air valve 2, exhaust gas valve 7, compressor air bleeding valve 10, magnetic valve 11 by industrial computer programme-control, are held in the form of signal output
OK, the opening and closing of other valves is by manual control.
Air accumulator of the present invention and engine braking energy-recuperation system 17（Including available engine cylinder A1, piston A2, enter
Tracheae A3, inlet valve A4, exhaust valve A5, driving cam A6, blast pipe A9 and exhaust dish valve A8, charge valve A7 and the gas storage set up
Tank A11, pressure gauge A10）Coupled, be i.e. air inlet of the compressed air of air accumulator storage recovery as engine, carried out again
Compression, it can effectively increase the gas energy of braking power and recovery.Engine braking energy-recuperation system 17 need not pair
Engine cylinder cover is modified, and exhaust dish valve A8 need to be only installed in blast pipe and gas withdrawal line, recovery pipe pass through again
Charge valve A7 and pipeline are connected to air accumulator A11.During engine work, blast pipe butterfly valve is opened, charge valve is closed；Start
During machine braking operation, controller cut-out fuel delivery, blast pipe butterfly valve is simultaneously closed off, opens and inflates at the instroke moment
Valve, gas in the jar is set to enter air accumulator.Energy-saving and emission-reduction can be realized using the technology, thus there is preferable application prospect and practicality
Value.
Testing stand and engine braking energy-recuperation system of the present invention shares an air accumulator, then air accumulator tonifying Qi mode has
Two kinds：1. tonifying Qi is carried out to air accumulator by turbocharger；2. tonifying Qi is carried out to air accumulator when passing through engine braking operation.
The compressed air purposes of air accumulator storage has two kinds：（1）As the air inlet of engine, second compression again is carried out, can effectively be increased
Braking power and the gas energy of recovery；（2）Tonifying Qi is provided for booster experimental stand, improves charge, improves burning,
Reduce soot emissions.The present invention mainly uses tonifying Qi mode 1 and purposes 1.
The present invention is without using pressure booster with variable cross section, composite turbine and electric auxiliary turbine pressurizer to turbocharger waste gas
Energy is reclaimed, and an air accumulator is connected directly on self-circulation system to store the air of recovery compression, air accumulator passes through
The adjustable solenoid valve control compressed air quality flow of one aperture, when testing stand is run to high-speed working condition, magnetic valve is opened, storage
Gas tank storing compressed air, testing stand speed load are raised again, and exhaust gas valve is opened, and shunt portion.Exhaust energy recovery dress
Put and provide power gas source using air blower, by the unlatching of magnetic valve, air accumulator storing compressed air reaches certain target pressure
Force value, the exhaust energy bypassed under high speed high load working condition by exhaust gas valve can be reclaimed using the technology.
The beneficial effects of the invention are as follows：
1st, the testing stand can be selected by the opening and closing of magnetic valve, and compressed air is regard as energy-accumulating medium, recovery using air accumulator
The exhaust energy bypassed by exhaust gas valve.
2nd, the testing stand increases without using composite turbocharging device testing stand and electric auxiliary turbine pressurizer testing stand to turbine
Depressor exhaust energy is reclaimed, and an air accumulator is connected directly on self-circulation system to store the air of recovery compression, storage
Gas tank passes through the adjustable solenoid valve control compressed air quality flow of an aperture.
3rd, air accumulator of the present invention can be coupled with engine braking energy-recuperation system and air compensating system, be booster
Matching R and D with engine provide support.
Technology of the present invention with exhaust energy recovery only needs a turbocharger, and power gas source is provided using air blower,
Selected by the opening and closing of magnetic valve, using air accumulator using compressed air as energy-accumulating medium, reclaim the waste gas bypassed by exhaust gas valve
Energy, you can the test of turbocharger properties is completed, meanwhile, technology recovery exhaust energy, for being supplied to engine
More tolerance, it is to improve engine performance, realize a kind of effective ways of energy-saving and emission-reduction, moreover, the technical pattern is simple, behaviour
Make simplicity, it is reliable, it is pollution-free.
Brief description of the drawings：
Fig. 1 is the turbocharger performance testing stand hardware system block diagram of the present invention；
Fig. 2 is engine braking energy-recuperation system block diagram；
In Fig. 1：1st, air blower；2nd, air blower intake valve；3rd, muffler；4th, check valve；5th, combustion chamber；6th, bellows；7th, give up
Air valve；8th, turbocharger turbine；9th, turbocharger air compressor；10th, compressor air bleeding valve；11st, magnetic valve；12nd, it is cold in
Device；13rd, check valve；14th, air accumulator；15th, charge air cooler；16th, check valve；17th, engine braking energy-recuperation system；18th, air blast
Machine relief valve；19th, air inlet pipe；20th, blast pipe；21st, compressor air inlet machine pipe；A is oil supply system；B lubricating systems；P1、P2、P3
For pressure sensor；T1, T2, T3 are temperature sensor；M1, m2 flowmeter；
In Fig. 2：A1, cylinder；A2, piston；A3, air inlet pipe；A4, inlet valve；A5, exhaust valve；A6, driving cam； A7、
Charge valve；A8, exhaust butterfly valve；A9, blast pipe；A10, pressure gauge；A11, air accumulator.
Embodiment：
The inventive method is described in further detail with reference to embodiment.It should be strongly noted that the guarantor of the present invention
Shield scope should include but is not limited to the technology contents disclosed in the present embodiment.
It is an object of the invention to provide a kind of turbocharger performance testing stand with exhaust energy recovery and experiment side
Method, the turbocharger performance test platform structure with exhaust energy recovery is simple, reasonable in design, low manufacture cost, the experiment
Method is easy to operate, reliable, can reclaim the exhaust energy bypassed under high speed high load working condition by exhaust gas valve, air accumulator storage
Air inlet of the compressed air deposited as engine, carry out second compression again.
Turbocharger performance testing stand of the present invention with exhaust energy recovery, including turbocharger turbine 8 and turbine
Supercharger air compressor 9, it is characterised in that：It is unidirectional that the turbocharger turbine 8 is sequentially connected bellows 6, combustion chamber 5, first
Valve 4, muffler 3, intake valve 2 and air blower 1, wherein turbocharger turbine 8, bellows 6, combustion chamber 5 are parallel with and connected successively
The turbocharger air compressor 9, air bleeding valve 10, the first charge air cooler 15 and the second check valve 16 connect, the He of air bleeding valve 10
It is connected with magnetic valve 11, the second charge air cooler 12 and the 3rd check valve 13 and air accumulator 14 between first charge air cooler 15 in turn, it is described
The charge valve A7 output ends that air accumulator 14 is also connected on the exhaust pipe of engine with side are connected, and the exhaust pipe of engine is provided with exhaust dish
Valve；Exhaust gas valve 7 in parallel in the air inlet pipe 19 and blast pipe 20 of turbocharger turbine 8, the turbocharger being sequentially connected
Compressor 9, air bleeding valve 10, the first charge air cooler 15 and the second check valve 16 form testing stand self-circulation system, described to be sequentially connected
Magnetic valve 11, the second charge air cooler 12 and the 3rd check valve 13 and air accumulator 14 form exhaust energy retracting device.
Further, it is other between above-mentioned air blower 1 and intake valve 2 to be connected to gas bleeder valve 18.
Further, the pipeline between above-mentioned turbocharger air compressor 9 and air bleeding valve 10, turbocharger turbine 8 with
Pipeline between bellows 6 is provided with pressure sensor, temperature sensor and flow sensor.
Further, in the air inlet pipe 21 of above-mentioned turbocharger air compressor 9 and the blast pipe 20 of turbocharger turbine 8
Provided with pressure sensor and temperature sensor, pressure gauge is connected with the air accumulator 14.
Further, oil supply system, the turbocharger turbine 8 and turbocharger pressure are connected to by above-mentioned combustion chamber 5
Lubricating system is connected to by mechanism of qi 9.
The test method of turbocharger performance testing stand of the present invention with exhaust energy recovery, it is characterised in that：It is described
Turbocharger performance testing stand with exhaust energy recovery includes turbocharger turbine 8 and turbocharger air compressor 9, its
It is characterised by：The turbocharger turbine 8 is sequentially connected bellows 6, combustion chamber 5, the first check valve 4, muffler 3, air inlet
Valve 2 and air blower 1, wherein turbocharger turbine 8, bellows 6, combustion chamber 5 are parallel with the turbocharging being sequentially connected
Device compressor 9, air bleeding valve 10, the first charge air cooler 15 and the second check valve 16, between the charge air cooler 15 of air bleeding valve 10 and first
It is connected with magnetic valve 11, the second charge air cooler 12 and the 3rd check valve 13 and air accumulator 14 in turn, the air accumulator 14 also connects with side
Charge valve A7 output ends connection on the exhaust pipe of engine, the exhaust pipe of engine are provided with exhaust dish valve；Turbocharger whirlpool
Exhaust gas valve 7 in parallel in the air inlet pipe 19 and blast pipe 20 of wheel 8, turbocharger air compressor 9, the air bleeding valve being sequentially connected
10th, the first charge air cooler 15 and the second check valve 16 form testing stand self-circulation system, the magnetic valve 11, second being sequentially connected
The check valve 13 of charge air cooler 12 and the 3rd and air accumulator 14 form exhaust energy retracting device；During work, air blower intake valve is opened
2, compressor air bleeding valve 10, magnetic valve 11, air blower relief valve 18 is closed, close exhaust gas valve 7, opened air blower 1, treat system wind
Press, stability of flow, unlatching engine ignition switch, the air in testing stand pipeline flows through combustion chamber 5, and burning waste gas enters ripple
Pipe 6, into the air inlet pipe 19 of turbocharger turbine 8 and turbocharger turbine 8, turbocharger rotor is accelerated to rotate, waste gas
Air is discharged into by blast pipe 20；Turbine rotation drives the coaxial wheel rotation of turbocharger air compressor 9, and compressed air enters
Turbocharger air compressor 9, the air bleeding valve 10 of testing stand self-circulation system, through the charge air cooler 12 of magnetic valve 11 and charge air cooler 15, stream
Enter air accumulator 14；When the pressure of air accumulator 14 reaches desired value, magnetic valve 11 is closed, opens exhaust gas valve 7, waste gas is bypassed into
In blast pipe 20 and air.
Further, during above-mentioned experiment, by observing the pressure size of air accumulator 14, magnetic valve 11 and waste gas are determined
The opening and closing of valve 7, after magnetic valve 11 is closed, replaceable new air accumulator storing compressed air, or keep magnetic valve 11 to open, it will store up
The compressed air of the storage recovery of gas tank 11 carries out second compression again as the air inlet of engine；Air blower relief valve 18, air blower enter
Air valve 2, exhaust gas valve 7, compressor air bleeding valve 10, magnetic valve 11 by industrial computer programme-control, are held in the form of signal output
OK, the opening and closing of other valves is by manual control.
Air accumulator of the present invention and engine braking energy-recuperation system 17（Including available engine cylinder A1, piston A2, enter
Tracheae A3, inlet valve A4, exhaust valve A5, driving cam A6, blast pipe A9 and exhaust dish valve A8, charge valve A7 and the gas storage set up
Tank A11, pressure gauge A10）Coupled, be i.e. air inlet of the compressed air of air accumulator storage recovery as engine, carried out again
Compression, it can effectively increase the gas energy of braking power and recovery.Engine braking energy-recuperation system 17 need not pair
Engine cylinder cover is modified, and exhaust dish valve A8 need to be only installed in blast pipe and gas withdrawal line, recovery pipe pass through again
Charge valve A7 and pipeline are connected to air accumulator A11.During engine work, blast pipe butterfly valve is opened, charge valve is closed；Start
During machine braking operation, controller cut-out fuel delivery, blast pipe butterfly valve is simultaneously closed off, opens and inflates at the instroke moment
Valve, gas in the jar is set to enter air accumulator.Energy-saving and emission-reduction can be realized using the technology, thus there is preferable application prospect and practicality
Value.
Testing stand and engine braking energy-recuperation system of the present invention shares an air accumulator, then air accumulator tonifying Qi mode has
Two kinds：1. tonifying Qi is carried out to air accumulator by turbocharger；2. tonifying Qi is carried out to air accumulator when passing through engine braking operation.
The compressed air purposes of air accumulator storage has two kinds：（1）As the air inlet of engine, second compression again is carried out, can effectively be increased
Braking power and the gas energy of recovery；（2）Tonifying Qi is provided for booster experimental stand, improves charge, improves burning,
Reduce soot emissions.The present invention mainly uses tonifying Qi mode 1 and purposes 1.
The present invention is without using pressure booster with variable cross section, composite turbine and electric auxiliary turbine pressurizer to turbocharger waste gas
Energy is reclaimed, and an air accumulator is connected directly on self-circulation system to store the air of recovery compression, air accumulator passes through
The adjustable solenoid valve control compressed air quality flow of one aperture, when testing stand is run to high-speed working condition, magnetic valve is opened, storage
Gas tank storing compressed air, testing stand speed load are raised again, and exhaust gas valve is opened, and shunt portion.Exhaust energy recovery dress
Put and provide power gas source using air blower, by the unlatching of magnetic valve, air accumulator storing compressed air reaches certain target pressure
Force value, the exhaust energy bypassed under high speed high load working condition by exhaust gas valve can be reclaimed using the technology.
The beneficial effects of the invention are as follows：
1st, the testing stand can be selected by the opening and closing of magnetic valve, and compressed air is regard as energy-accumulating medium, recovery using air accumulator
The exhaust energy bypassed by exhaust gas valve.
2nd, the testing stand increases without using composite turbocharging device testing stand and electric auxiliary turbine pressurizer testing stand to turbine
Depressor exhaust energy is reclaimed, and an air accumulator is connected directly on self-circulation system to store the air of recovery compression, storage
Gas tank passes through the adjustable solenoid valve control compressed air quality flow of an aperture.
3rd, air accumulator of the present invention can be coupled with engine braking energy-recuperation system and air compensating system, be booster
Matching R and D with engine provide support.
Technology of the present invention with exhaust energy recovery only needs a turbocharger, and power gas source is provided using air blower,
Selected by the opening and closing of magnetic valve, using air accumulator using compressed air as energy-accumulating medium, reclaim the waste gas bypassed by exhaust gas valve
Energy, you can the test of turbocharger properties is completed, meanwhile, technology recovery exhaust energy, for being supplied to engine
More tolerance, it is to improve engine performance, realize a kind of effective ways of energy-saving and emission-reduction, moreover, the technical pattern is simple, behaviour
Make simplicity, it is reliable, it is pollution-free.
The check test platform that the above-mentioned case study on implementation of the present invention provides can not only meet the performance of common vehicle turbocharger
Test verification, variable-area turbocharger can also be applicable（VGT）Performance test, energy-conserving and environment-protective, automaticity is high, fits
Tested for colleges and universities, scientific research institution's experimental study and enterprise product, scalability is strong.
Aforesaid operations flow and hardware configuration, only as case study on implementation of the present invention, any form is not made to the present invention
On limitation.Any those skilled in the art, in the case where not departing from technical solution of the present invention, it may be by
State methods and technical content and many possible variations or modification are made to technical solution of the present invention.Therefore, everything is without departing from this hair
The content of bright technical scheme, the simple modification that the technical spirit according to the present invention is made to above-mentioned case study on implementation, still fall within this
In the range of inventive technique scheme protection.
Claims (7)
1. a kind of turbocharger performance testing stand with exhaust energy recovery, including turbocharger turbine（8）Increase with turbine
Depressor compressor（9）, it is characterised in that：The turbocharger turbine（8）It is sequentially connected bellows（6）, combustion chamber（5）,
One check valve（4）, muffler（3）, intake valve（2）And air blower（1）, wherein turbocharger turbine（8）, bellows（6）, combustion
Burn room（5）It is parallel with the turbocharger air compressor being sequentially connected（9）, air bleeding valve（10）, the first charge air cooler（15）With
Two check valves（16）, the air bleeding valve（10）With the first charge air cooler（15）Between be connected with magnetic valve in turn（11）, it is cold in second
Device（12）With the 3rd check valve（13）And air accumulator（14）, the air accumulator（14）Also filling on the exhaust pipe of engine is connected on side
Air valve（A7）Output end connects, and the exhaust pipe of engine is provided with exhaust dish valve；Turbocharger turbine（8）Air inlet pipe（19）With
Blast pipe（20）Upper exhaust gas valve in parallel（7）, the turbocharger air compressor being sequentially connected（9）, air bleeding valve（10）, in first
Cooler (15) and the second check valve (16）Form testing stand self-circulation system, the magnetic valve being sequentially connected（11）, in second
Cooler（12）With the 3rd check valve（13）And air accumulator（14）Form exhaust energy retracting device.
2. the turbocharger performance testing stand according to claim 1 with exhaust energy recovery, it is characterised in that：It is described
It is other between air blower (1) and intake valve (2) to be connected to gas bleeder valve (18).
3. the turbocharger performance testing stand according to claim 1 with exhaust energy recovery, it is characterised in that：It is described
Between pipeline, turbocharger turbine (8) and bellows (6) between turbocharger air compressor (9) and air bleeding valve (10)
Pipeline is provided with pressure sensor, temperature sensor and flow sensor.
4. the turbocharger performance testing stand according to claim 1 with exhaust energy recovery, it is characterised in that：It is described
The air inlet pipe (21) of turbocharger air compressor (9) and the blast pipe (20) of turbocharger turbine (8) are provided with pressure sensing
Device and temperature sensor, the air accumulator（14）On be connected with pressure gauge.
5. the turbocharger performance testing stand according to claim 1 with exhaust energy recovery, it is characterised in that：It is described
Combustion chamber（5）Side is connected to oil supply system, the turbocharger turbine（8）And turbocharger air compressor（9）Side is connected to lubrication
System.
A kind of 6. test method of the turbocharger performance testing stand with exhaust energy recovery, it is characterised in that：The band gives up
The turbocharger performance testing stand of gas energy regenerating includes turbocharger turbine（8）And turbocharger air compressor（9）, its
It is characterised by：The turbocharger turbine（8）It is sequentially connected bellows（6）, combustion chamber（5）, the first check valve（4）, noise reduction
Device（3）, intake valve（2）And air blower（1）, wherein turbocharger turbine（8）, bellows（6）, combustion chamber（5）Be parallel with according to
The turbocharger air compressor of secondary connection（9）, air bleeding valve（10）, the first charge air cooler（15）With the second check valve（16）, institute
State air bleeding valve（10）With the first charge air cooler（15）Between be connected with magnetic valve in turn（11）, the second charge air cooler（12）It is unidirectional with the 3rd
Valve（13）And air accumulator（14）, the air accumulator（14）The charge valve being also connected on side on the exhaust pipe of engine（A7）Output end connects
Connect, the exhaust pipe of engine is provided with exhaust dish valve；Turbocharger turbine（8）Air inlet pipe（19）And blast pipe（20）Upper parallel connection
Exhaust gas valve（7）, the turbocharger air compressor being sequentially connected（9）, air bleeding valve（10）, the first charge air cooler (15) and second single
To valve (16）Form testing stand self-circulation system, the magnetic valve being sequentially connected（11）, the second charge air cooler（12）It is single with the 3rd
To valve（13）And air accumulator（14）Form exhaust energy retracting device；During work, air blower intake valve is opened（2）, compressor row
Air valve（10), magnetic valve (11), air blower relief valve (18) is closed, closes exhaust gas valve (7), opened air blower (1), treat system wind
Press, stability of flow, unlatching engine ignition switch, the air in testing stand pipeline flows through combustion chamber (5), and burning waste gas enters ripple
Line pipe (6), into turbocharger turbine (8) air inlet pipe (19) and turbocharger turbine (8), accelerate turbocharger rotor
Rotate, waste gas is discharged into air by blast pipe (20)；Turbine rotation drives coaxial turbocharger air compressor (9) impeller to turn
Dynamic, compressed air enters turbocharger air compressor (9), the air bleeding valve (10) of testing stand self-circulation system, through magnetic valve (11)
Charge air cooler (12) and charge air cooler (15), flow into air accumulator (14)；When the pressure of air accumulator (14) reaches desired value, electromagnetism is closed
Valve (11), opens exhaust gas valve (7), and waste gas is bypassed into blast pipe (20) and air.
7. the test method of the turbocharger performance testing stand according to claim 1 with exhaust energy recovery, it is special
Sign is：During above-mentioned experiment, by observing the pressure size of air accumulator (14), magnetic valve (11) and exhaust gas valve (7) are determined
Opening and closing, magnetic valve (11) close after, replaceable new air accumulator storing compressed air, or keep magnetic valve (11) open, will
The compressed air of air accumulator (11) storage recovery carries out second compression again as the air inlet of engine；Air blower relief valve (18), drum
Blower fan intake valve (2), exhaust gas valve (7), compressor air bleeding valve (10), magnetic valve (11) is by industrial computer programme-control, with letter
Number output form perform, the opening and closing of other valves is by manual control.
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| CN201710847313.4A CN107490475A (en) | 2017-09-19 | 2017-09-19 | A kind of turbocharger performance testing stand and test method with exhaust energy recovery |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871759A (en) * | 2018-05-24 | 2018-11-23 | 北京理工大学 | A kind of turbine efficiency measuring device |
| CN108931379A (en) * | 2018-05-24 | 2018-12-04 | 北京理工大学 | A kind of turbine efficiency measurement method |
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| CN108931379A (en) * | 2018-05-24 | 2018-12-04 | 北京理工大学 | A kind of turbine efficiency measurement method |
| CN109798179A (en) * | 2019-01-19 | 2019-05-24 | 潍柴重机股份有限公司 | A kind of pressurized air means of deflation and bleed method |
| CN109798179B (en) * | 2019-01-19 | 2020-11-20 | 潍柴重机股份有限公司 | Supercharged air deflation device and method |
| CN113074379A (en) * | 2021-03-30 | 2021-07-06 | 龙南鑫坤无机新材料有限公司 | Equipment for removing nitrogen oxide at high temperature |
| CN113790881A (en) * | 2021-09-16 | 2021-12-14 | 中国北方发动机研究所(天津) | Fuel cell supercharger variable altitude simulation test system |
| CN113790881B (en) * | 2021-09-16 | 2023-10-03 | 中国北方发动机研究所(天津) | Fuel cell supercharger elevation-changing simulation test system |
| CN116412030A (en) * | 2023-06-07 | 2023-07-11 | 东方电气集团东方汽轮机有限公司 | Multifunctional gas turbine power generation system |
| CN116412030B (en) * | 2023-06-07 | 2023-10-20 | 东方电气集团东方汽轮机有限公司 | Multifunctional gas turbine power generation system |
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