CN102507202A - Self-circulation low-cycle fatigue test device and method for turbochargers - Google Patents
Self-circulation low-cycle fatigue test device and method for turbochargers Download PDFInfo
- Publication number
- CN102507202A CN102507202A CN2011103078818A CN201110307881A CN102507202A CN 102507202 A CN102507202 A CN 102507202A CN 2011103078818 A CN2011103078818 A CN 2011103078818A CN 201110307881 A CN201110307881 A CN 201110307881A CN 102507202 A CN102507202 A CN 102507202A
- Authority
- CN
- China
- Prior art keywords
- turbosupercharger
- gas outlet
- valve
- turbocharger
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a self-circulation low-cycle fatigue test device and self-circulation low-cycle fatigue test method for turbochargers. The self-circulation low-cycle fatigue test device comprises a combustion system, a high-temperature conversion valve assembly, an oil supply system and an air inlet and outlet system, wherein the systems are connected with one another through pipes; a first turbocharger and a second turbocharger are arranged in a forth and back manner, so that air compressors of the turbochargers are prevented from being influenced by air flow, and vortex air exhaust pipes of the turbochargers are vertical to the air exhaust flange surfaces of the turbochargers; therefore, air exhaust is successfully; and finally, two strands of air exhaust flow are combined together, and are exhausted by an exhaust fan through a main air exhaust pipe. The test device adjusts rotating speeds of the turbochargers by periodically changing a rotating direction through a high-temperature conversion valve under the impact of fuel gas at high temperature of 700 DEG C, so that air flow entering a combustion chamber is adjusted by a pressure control valve at the outlet of the air compressor according to compressed air pressure; therefore the difficulty that a low-cycle fatigue test bed for a pressurizer cannot realize self-circulation is solved; and a self-circulation low-cycle fatigue test for the turbocharger is realized.
Description
Technical field
The present invention relates to turbo-charger technical field, particularly a kind of vehicle turbocharger self-circulation fatigue experimental test unit and test method.
Background technology
Along with the enhancing day by day with people's environmental consciousness that improves constantly of automobile emissions standards, supercharging technology has become one of effective measures that improve motor car engine dynamic property, economy and reduction exhaust emission.This technology is again the important means that the highlands engine capacity is recovered simultaneously, makes the service requirement of starting the functional adaptation different altitude height.The widespread use of turbosupercharger seems the reliability of turbosupercharger and becomes more and more important, and as the compressor impeller and the turbine of turbosupercharger core part, particularly at a high speed, the high pressure ratio impeller, low-cycle fatigue failure is its main failure mode.The restrictions such as condition that are put to the test, turbosupercharger manufacturer also is in development to Vehicle Turbocharger Centrifugal Compressor low-cycle fatigue experiment at present.
Chinese patent CN 1793819A has announced a kind of self-circulation fatigue experimental bench for turbocharger, but can find out according to the described self-loopa framework of this patent, when supercharger wherein is in lower-speed state and another supercharger when being in fast state temporarily; High-speed boosting device discharge pressure is higher, and pressurized air gets into the firing chamber through pipeline, and meanwhile low speed supercharger discharge pressure is lower; Receive the influence of the high discharge pressure of high-speed boosting device; Its exhaust is obstructed, and causes arbitrary supercharger when being in lower-speed state, and pressurized air all can't be realized self-loopa; Even owing to the pressurized air obstruction makes pneumatic plant surge occur; Thus, in low cycle fatigue test, impeller introduced other destructive factor, this disagrees with purpose that the low-cycle fatigue of monitoring impeller damages.
In addition; Existing low cycle fatigue test device Chang Yici installs two superchargers simultaneously and makes an experiment; Make wherein supercharger combustion gas air inflow less and be in lower-speed state temporarily through the aperture of regulating the high temperature shift valve, meanwhile, remaining most of high-temperature fuel gas gets into another supercharger; And make it be in fast state, so back and forth.Supercharger is from changing low speed at a high speed into, and the whole change-over period of finally changing high speed again into is generally 10-25s.Owing to will between the supercharger of two speed alternate runs, realize self-loopa, the self-loopa difficulty is bigger, makes existing superchargers and low cycle fatigue test all adopt the hot blow mode, has increased substantially experimentation cost.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art and a kind of turbosupercharger self-circulation fatigue experimental test unit and test method are provided.
Technical scheme of the present invention is: a kind of turbosupercharger self-circulation fatigue experimental test unit, it comprises combustion system, high temperature shift valve assembly, oil supply system and air inlet system and exhaust system.
Described combustion system comprises firing chamber, conducting rod and fuel nozzle, adopts engine to use burner, and the atomized fuel that utilizes conducting rod to ignite and mix with external pressurized air produces high-temperature high-pressure fuel gas, thereby promotes the turbosupercharger rotation.
Described high temperature shift valve assembly comprises horizontal reductor, motor base assembly, high temperature shift valve, valve seat, hand sluice valve and cooling air draft tube.The high temperature shift valve is installed on the valve seat, and the inner main heat-resistance stainless steel that adopts of high temperature shift valve is made, can anti-700 ℃ of high temperature; Horizontal reductor is installed on the motor base assembly, by the horizontal reductor of driven by motor on the motor base assembly, adds travel control switch through horizontal reductor and regulates and control the high temperature shift valve, and then regulate the rotating speed and the rotating of turbosupercharger; Because the ball bearing thermal stress resistance on the high temperature shift valve assembly is limited in one's ability; The shaft bearing place introduces pressurized air through external cooling air draft tube and cools off; Hand sluice valve is located on the external cooling air draft tube; The sound suppressor of gas on the pyrolytic conversion valve behind the cooling ball bearing discharged, to reduce aerodynamic noise.
Described oil supply system comprises lubricating oil system and fuel system; Fuel system is that fuel nozzle provides fuel through pipeline; The lubricating oil of lubricating oil system is divided into two strands through T-valve, is respectively the bearing body of a turbosupercharger and the bearing body of No. two turbosupercharger lubricated cooling is provided.
Described air inlet system and exhaust system comprise turbosupercharger whirlpool end gas outlet No. two; A turbosupercharger whirlpool end gas outlet; No. one the turbosupercharger circle becomes the square joint assembly; A turbosupercharger draft tube; Exhaust main; A turbosupercharger of band metal bellow is pressed the end gas outlet; A turbocharger pressure operation valve; Compressed air inlet valve; No. two the turbosupercharger circle becomes the square joint assembly; No. two turbocharger pressure operation valves; No. two turbosupercharger draft tube; A turbosupercharger; No. two turbosupercharger; No. two turbosupercharger of band metal bellow are pressed end gas outlet and compressed air inlet pipe.
Exhaust flange on turbosupercharger is connected with an end of a turbosupercharger whirlpool end gas outlet, and the other end of a turbosupercharger whirlpool end gas outlet is connected with exhaust main.The inlet end of a turbosupercharger becomes the square joint assembly through a turbosupercharger circle and is connected with a turbosupercharger draft tube, and the other end of a turbosupercharger draft tube is connected with the high temperature shift valve.The end of calming the anger of a turbosupercharger presses the end gas outlet to be connected with a turbosupercharger of band metal bellow, and a turbosupercharger of band metal bellow presses the end gas outlet to be provided with the turbocharger pressure operation valve No. one.
Exhaust flange on No. two turbosupercharger is connected with an end of No. two turbosupercharger whirlpool end gas outlets, and the other end of No. two turbosupercharger whirlpool end gas outlets is connected with exhaust main.The inlet end of No. two turbosupercharger becomes the square joint assembly through No. two turbosupercharger circles and is connected with No. two turbosupercharger draft tube, and the other end of No. two turbosupercharger draft tube is connected with the high temperature shift valve.The end of calming the anger of No. two turbosupercharger presses the end gas outlet to be connected with No. two turbosupercharger of band metal bellow, and No. two turbosupercharger of band metal bellow press the end gas outlet to be provided with the turbocharger pressure operation valve No. two.
One end of firing chamber is connected with the high temperature shift valve through flange; The other end of firing chamber is connected with compressed air inlet pipe; Compressed air inlet pipe is provided with fuel nozzle and compressed air inlet valve, and compressed air inlet pipe is connected with a turbocharger pressure operation valve, No. two turbocharger pressure operation valves respectively through pipeline.
The further technical scheme of the present invention is: a turbosupercharger and No. two turbosupercharger adopt tandem arrangement, can prevent that the turbocharger air compressor inlet air flow is interference-free so on the one hand; Can make a turbosupercharger whirlpool end gas outlet keep vertical on the other hand with a turbosupercharger exhaust flange face; No. two turbosupercharger whirlpool end gas outlet keeps vertical with No. two turbosupercharger exhaust flange faces; Thereby guarantee that exhaust is smooth and easy; Final two strands of exhaust streams are combined into one through exhaust main, are discharged by air exhauster.
The present invention more further technical scheme be: two turbocharger supercharged air are flowed through the length of pipeline separately should be about equally, to guarantee the continuing of self-loopa, stable operation.
The present invention also provides a kind of turbosupercharger self-circulation fatigue experimental test method, and its concrete test method is following:
Pressurized air blows a turbosupercharger through compressed air inlet valve entering firing chamber and No. two turbosupercharger are rotated (claiming cold blowing again); And fuel oil is delivered to the fuel nozzle atomizing from fuel system; Evenly mix with pressurized air; Light burning generation high-temperature fuel gas entering high temperature shift valve in the firing chamber through conducting rod, horizontal reductor then drives the rotation of high temperature shift valve, comes periodically to control the gas quantity of a turbosupercharger of entering and No. two turbosupercharger through the aperture of high temperature shift valve.
When a turbosupercharger is in fast state; No. two turbosupercharger then is in lower-speed state; No. one turbocharger supercharged air presses the end gas outlet to deliver to the turbocharger pressure operation valve No. one through a turbosupercharger, because a turbosupercharger is at a high speed, pressure is bigger behind the supercharging air; Then push a turbocharger pressure operation valve open and get into the firing chamber, and press the end gas outlet to enter atmosphere without a turbosupercharger; Meanwhile; No. two turbocharger supercharged air presses the end gas outlet to deliver to the turbocharger pressure operation valve No. two through No. two turbosupercharger; Because pressure is lower; Can't promote No. two turbocharger pressure operation valves and get into the firing chamber, and press the end gas outlet to send into atmosphere through No. two turbosupercharger.
When No. two turbosupercharger are in fast state; No. one turbosupercharger then is in lower-speed state; No. two turbocharger supercharged air presses the end gas outlet to deliver to the turbocharger pressure operation valve No. two through No. two turbosupercharger, because No. two turbosupercharger are at a high speed, pressure is bigger behind the supercharging air; Then push No. two turbocharger pressure operation valves open and get into the firing chamber, and press the end gas outlet to enter atmosphere without No. two turbosupercharger; Meanwhile; No. one turbocharger supercharged air presses the end gas outlet to deliver to the turbocharger pressure operation valve No. one through a turbosupercharger; Because pressure is lower; Can't promote a turbocharger pressure operation valve and get into the firing chamber, and press the end gas outlet to send into atmosphere through a turbosupercharger.
When a turbosupercharger is in fast state; No. two turbosupercharger is in lower-speed state; When No. two turbosupercharger were in fast state, No. one turbosupercharger was in lower-speed state, thereby realized the self-loopa of turbosupercharger; Its self-loopa is to add travel control switch through horizontal reductor to regulate and control the high temperature shift valve; And then regulate the rotating speed and the rotating of turbosupercharger, and the net result of adjusting is that the rotating speed of a wherein supercharger is 35～45% of an another supercharger speed, vice versa.
The present invention compared with prior art has following characteristics:
Turbosupercharger self-circulation fatigue experimental test unit provided by the invention can be under the impact of 700 ℃ of high-temperature fuel gas; Periodically change the rotating speed that sense of rotation is regulated supercharger through the pyrolytic conversion valve; And then according to the compressed air pressure size airshed that gets into the firing chamber is regulated through the compressor delivery pressure operation valve; Solve the difficult problem of superchargers and low cycle fatigue testing table realization self-loopa, realized the test of turbosupercharger self-circulation fatigue experimental.
Below in conjunction with accompanying drawing and embodiment detailed structure of the present invention is further described.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
Embodiment
A kind of turbosupercharger self-circulation fatigue experimental test unit, it comprises combustion system, high temperature shift valve assembly, oil supply system and air inlet system and exhaust system.
Described combustion system comprises firing chamber 14, conducting rod 15 and fuel nozzle 16, adopts engine to use burner, and the atomized fuel that utilizes conducting rod 15 to ignite and mix with external pressurized air produces high-temperature high-pressure fuel gas, thereby promotes the turbosupercharger rotation.
Described high temperature shift valve assembly comprises horizontal reductor 7, motor base assembly 8, high temperature shift valve 10, valve seat 11, hand sluice valve 22 and cooling air draft tube 23.High temperature shift valve 10 is installed on the valve seat 11, and the inner main heat-resistance stainless steels that adopt of high temperature shift valve 10 are made, can anti-700 ℃ of high temperature; Horizontal reductor 7 is installed on the motor base assembly 8; By the horizontal reductor 7 of driven by motor on the motor base assembly 8; Add travel control switch through horizontal reductor 7 and regulate and control high temperature shift valve 10, and then regulate the rotating speed and the rotating of turbosupercharger; Because the ball bearing thermal stress resistance on the high temperature shift valve assembly is limited in one's ability; The shaft bearing place introduces pressurized air through external cooling air draft tube 23 and cools off; Hand sluice valve 22 is located on the external cooling air draft tube 23; The sound suppressor of gas on pyrolytic conversion valve 10 behind the cooling ball bearing discharged, to reduce aerodynamic noise.
Described oil supply system comprises lubricating oil system 1 and fuel system 2; Fuel system 2 is that fuel nozzle 16 provides fuel through pipeline; The lubricating oil of lubricating oil system 1 is divided into two strands through T-valve, is respectively the bearing body of a turbosupercharger 24 and the bearing body of No. two turbosupercharger 25 lubricated cooling is provided.
Described air inlet system and exhaust system comprise turbosupercharger whirlpool end gas outlet 3 No. two; A turbosupercharger whirlpool end gas outlet 4; No. one the turbosupercharger circle becomes square joint assembly 5; A turbosupercharger draft tube 6; Exhaust main 9; A turbosupercharger of band metal bellow 13 is pressed end gas outlet 12; A turbocharger pressure operation valve 17; Compressed air inlet valve 18; No. two the turbosupercharger circle becomes square joint assembly 19; No. two turbocharger pressure operation valves 20; No. two turbosupercharger draft tube 21; A turbosupercharger 24; No. two turbosupercharger 25; No. two turbosupercharger of band metal bellow 26 are pressed end gas outlet 27 and compressed air inlet pipe 28.
Exhaust flange on turbosupercharger 24 is connected with an end of a turbosupercharger whirlpool end gas outlet 4, and the other end of a turbosupercharger whirlpool end gas outlet 4 is connected with exhaust main 9.The inlet end of a turbosupercharger 24 becomes square joint assembly 5 through a turbosupercharger circle and is connected with a turbosupercharger draft tube 6, and the other end of a turbosupercharger draft tube 6 is connected with high temperature shift valve 10.The end of calming the anger of a turbosupercharger 24 presses end gas outlet 12 to be connected with a turbosupercharger of band metal bellow 13, and a turbosupercharger of band metal bellow 13 presses end gas outlet 12 to be provided with turbocharger pressure operation valve 17 No. one.
Exhaust flange on No. two turbosupercharger 25 is connected with an end of No. two turbosupercharger whirlpool end gas outlets 3, and the other end of No. two turbosupercharger whirlpool end gas outlets 3 is connected with exhaust main 9.The inlet end of No. two turbosupercharger 25 becomes square joint assembly 19 through No. two turbosupercharger circles and is connected with No. two turbosupercharger draft tube 21, and the other end of No. two turbosupercharger draft tube 21 is connected with high temperature shift valve 10.The end of calming the anger of No. two turbosupercharger 25 presses end gas outlet 27 to be connected with No. two turbosupercharger of band metal bellow 26, and No. two turbosupercharger of band metal bellow 26 press end gas outlet 27 to be provided with turbocharger pressure operation valve 20 No. two.
One end of firing chamber 14 is connected with high temperature shift valve 10 through flange; The other end of firing chamber 14 is connected with compressed air inlet pipe 28; Compressed air inlet pipe 28 is provided with fuel nozzle 16 and compressed air inlet valve 18, and compressed air inlet pipe 28 is connected with turbocharger pressure operation valve 17, No. two turbocharger pressure operation valves 20 respectively through pipeline.
In the present embodiment, a turbosupercharger 24 and No. two turbosupercharger 25 adopt tandem arrangement, can prevent that the turbocharger air compressor inlet air flow is interference-free so on the one hand; Can make a turbosupercharger whirlpool end gas outlet 4 keep vertical on the other hand with a turbosupercharger exhaust flange face; No. two turbosupercharger whirlpool end gas outlet 3 keeps vertical with No. two turbosupercharger exhaust flange faces; Thereby guarantee that exhaust is smooth and easy; Final two strands of exhaust streams are combined into one through exhaust main 9, are discharged by air exhauster.Two turbocharger supercharged air are flowed through the length of pipeline separately should be about equally, to guarantee the continuing of self-loopa, stable operation.
Present embodiment also provides a kind of method that adopts above-mentioned turbosupercharger self-circulation fatigue experimental test unit that turbosupercharger is carried out the self-circulation fatigue experimental test, and its concrete test method is following:
Pressurized air blows a turbosupercharger 24 through compressed air inlet valve 18 entering firing chambers 14 and No. two turbosupercharger 25 are rotated (claiming cold blowing again); And fuel oil is delivered to fuel nozzle 16 atomizings from fuel system 2; Evenly mix with pressurized air; Light burning generation high-temperature fuel gas entering high temperature shift valve 10 in firing chamber 14 through conducting rod 15; 7 of horizontal reductors drive 10 rotations of high temperature shift valve, and coming periodically through the aperture of high temperature shift valve 10, control gets into the gas quantity of a turbosupercharger 24 and No. two turbosupercharger 25.
When a turbosupercharger 24 is in fast state; No. two 25 of turbosupercharger are in lower-speed state; No. one turbosupercharger 24 pressurized airs press end gas outlet 12 to deliver to turbocharger pressure operation valve 17 No. one through a turbosupercharger, because a turbosupercharger 24 is at a high speed, pressure is bigger behind the supercharging air; Then push turbocharger pressure operation valve 17 entering firing chambers 14 open No. one, and press end gas outlet row 12 to go into atmosphere without a turbosupercharger; Meanwhile; No. two turbosupercharger 25 pressurized airs press end gas outlet 27 to deliver to turbocharger pressure operation valve 20 No. two through No. two turbosupercharger; Because pressure is lower; Can't promote turbocharger pressure operation valve 20 entering firing chambers 14 No. two, and press end gas outlet 27 to send into atmosphere through No. two turbosupercharger.
When No. two turbosupercharger 25 are in fast state; No. one 24 of turbosupercharger are in lower-speed state; No. two turbosupercharger 25 pressurized airs press end gas outlet 27 to deliver to turbocharger pressure operation valve 20 No. two through No. two turbosupercharger, because No. two turbosupercharger 25 are at a high speed, pressure is bigger behind the supercharging air; Then push turbocharger pressure operation valve 20 entering firing chambers 14 open No. two, and press end gas outlet 27 to enter atmosphere without No. two turbosupercharger; Meanwhile; No. one turbosupercharger 24 pressurized airs press end gas outlet 12 to deliver to turbocharger pressure operation valve 17 No. one through a turbosupercharger; Because pressure is lower; Can't promote turbocharger pressure operation valve 17 entering firing chambers 14 No. one, and press end gas outlet 17 to send into atmosphere through a turbosupercharger.
When a turbosupercharger 24 is in fast state; No. two turbosupercharger 25 is in lower-speed state; When No. two turbosupercharger 25 were in fast state, No. one turbosupercharger 24 was in lower-speed state, thereby realized the self-loopa of turbosupercharger; Its self-loopa is to add travel control switch through horizontal reductor 7 to regulate and control high temperature shift valve 10; And then regulate the rotating speed and the rotating of turbosupercharger, and the net result of adjusting is that the rotating speed of a wherein supercharger is 35～45% of an another supercharger speed, vice versa.
Claims (5)
1. turbosupercharger self-circulation fatigue experimental test unit, it is characterized in that: it comprises combustion system, high temperature shift valve assembly, oil supply system and air inlet system and exhaust system;
Described combustion system comprises firing chamber, conducting rod and fuel nozzle, adopts engine to use the firing chamber, and the atomized fuel that utilizes conducting rod to ignite and mix with external pressurized air produces high-temperature high-pressure fuel gas, thereby promotes the turbosupercharger rotation;
Described high temperature shift valve assembly comprises horizontal reductor, motor base assembly, high temperature shift valve, valve seat, hand sluice valve and cooling air draft tube; The high temperature shift valve is installed on the valve seat; Horizontal reductor is installed on the motor base assembly; By the horizontal reductor of driven by motor on the motor base assembly, add travel control switch through horizontal reductor and regulate and control the high temperature shift valve, and then regulate the rotating speed and the rotating of turbosupercharger; Because the ball bearing thermal stress resistance on the high temperature shift valve assembly is limited in one's ability; The shaft bearing place introduces pressurized air through external cooling air draft tube and cools off; Hand sluice valve is located on the external cooling air draft tube; The sound suppressor of gas on the pyrolytic conversion valve behind the cooling ball bearing discharged, to reduce aerodynamic noise;
Described oil supply system comprises lubricating oil system and fuel system; Fuel system is that fuel nozzle provides fuel through pipeline; The lubricating oil of lubricating oil system is divided into two strands through T-valve, is respectively the bearing body of a turbosupercharger and the bearing body of No. two turbosupercharger lubricated cooling is provided;
Described air inlet system and exhaust system comprise turbosupercharger whirlpool end gas outlet No. two; A turbosupercharger whirlpool end gas outlet; No. one the turbosupercharger circle becomes the square joint assembly; A turbosupercharger draft tube; Exhaust main; A turbosupercharger of band metal bellow is pressed the end gas outlet; A turbocharger pressure operation valve; Compressed air inlet valve; No. two the turbosupercharger circle becomes the square joint assembly; No. two turbocharger pressure operation valves; No. two turbosupercharger draft tube; A turbosupercharger; No. two turbosupercharger; No. two turbosupercharger of band metal bellow are pressed end gas outlet and compressed air inlet pipe;
Exhaust flange on turbosupercharger is connected with an end of a turbosupercharger whirlpool end gas outlet, and the other end of a turbosupercharger whirlpool end gas outlet is connected with exhaust main; The inlet end of a turbosupercharger becomes the square joint assembly through a turbosupercharger circle and is connected with a turbosupercharger draft tube, and the other end of a turbosupercharger draft tube is connected with the high temperature shift valve; The end of calming the anger of a turbosupercharger presses the end gas outlet to be connected with a turbosupercharger of band metal bellow, and a turbosupercharger of band metal bellow presses the end gas outlet to be provided with the turbocharger pressure operation valve No. one;
Exhaust flange on No. two turbosupercharger is connected with an end of No. two turbosupercharger whirlpool end gas outlets, and the other end of No. two turbosupercharger whirlpool end gas outlets is connected with exhaust main; The inlet end of No. two turbosupercharger becomes the square joint assembly through No. two turbosupercharger circles and is connected with No. two turbosupercharger draft tube, and the other end of No. two turbosupercharger draft tube is connected with the high temperature shift valve; The end of calming the anger of No. two turbosupercharger presses the end gas outlet to be connected with No. two turbosupercharger of band metal bellow, and No. two turbosupercharger of band metal bellow press the end gas outlet to be provided with the turbocharger pressure operation valve No. two;
One end of firing chamber is connected with the high temperature shift valve through flange; The other end of firing chamber is connected with compressed air inlet pipe; Compressed air inlet pipe is provided with fuel nozzle and compressed air inlet valve, and compressed air inlet pipe is connected with a turbocharger pressure operation valve, No. two turbocharger pressure operation valves respectively through pipeline.
2. a kind of turbosupercharger self-circulation fatigue experimental test unit according to claim 1; It is characterized in that: a turbosupercharger and No. two turbosupercharger adopt tandem arrangement, can prevent that the turbocharger air compressor inlet air flow is interference-free so on the one hand; Can make a turbosupercharger whirlpool end gas outlet keep vertical on the other hand with a turbosupercharger exhaust flange face; No. two turbosupercharger whirlpool end gas outlet keeps vertical with No. two turbosupercharger exhaust flange faces; Thereby guarantee that exhaust is smooth and easy; Final two strands of exhaust streams are combined into one through exhaust main, are discharged by air exhauster.
3. a kind of turbosupercharger self-circulation fatigue experimental test unit according to claim 1 and 2 is characterized in that: two turbocharger supercharged air are flowed through the length of pipeline separately should be about equally, to guarantee the continuing of self-loopa, stable operation.
4. one kind is adopted turbosupercharger self-circulation fatigue experimental test unit that turbosupercharger is carried out the method that self-circulation fatigue experimental is tested; It is characterized in that: pressurized air gets into the firing chamber through compressed air inlet valve and blows a turbosupercharger and No. two turbosupercharger rotations; And fuel oil is delivered to the fuel nozzle atomizing from fuel system; Evenly mix with pressurized air; Light burning generation high-temperature fuel gas entering high temperature shift valve in the firing chamber through conducting rod, horizontal reductor then drives the rotation of high temperature shift valve, comes periodically to control the gas quantity of a turbosupercharger of entering and No. two turbosupercharger through the aperture of high temperature shift valve;
When a turbosupercharger is in fast state; No. two turbosupercharger then is in lower-speed state; No. one turbocharger supercharged air presses the end gas outlet to deliver to the turbocharger pressure operation valve No. one through a turbosupercharger, because a turbosupercharger is at a high speed, pressure is bigger behind the supercharging air; Then push a turbocharger pressure operation valve open and get into the firing chamber, and press the end gas outlet to enter atmosphere without a turbosupercharger; Meanwhile; No. two turbocharger supercharged air presses the end gas outlet to deliver to the turbocharger pressure operation valve No. two through No. two turbosupercharger; Because pressure is lower; Can't promote No. two turbocharger pressure operation valves and get into the firing chamber, and press the end gas outlet to send into atmosphere through No. two turbosupercharger;
When No. two turbosupercharger are in fast state; No. one turbosupercharger then is in lower-speed state; No. two turbocharger supercharged air presses the end gas outlet to deliver to the turbocharger pressure operation valve No. two through No. two turbosupercharger, because No. two turbosupercharger are at a high speed, pressure is bigger behind the supercharging air; Then push No. two turbocharger pressure operation valves open and get into the firing chamber, and press the end gas outlet to enter atmosphere without No. two turbosupercharger; Meanwhile; No. one turbocharger supercharged air presses the end gas outlet to deliver to the turbocharger pressure operation valve No. one through a turbosupercharger; Because pressure is lower; Can't promote a turbocharger pressure operation valve and get into the firing chamber, and press the end gas outlet to send into atmosphere through a turbosupercharger.
5. a kind of method that adopts turbosupercharger self-circulation fatigue experimental test unit turbosupercharger to be carried out the self-circulation fatigue experimental test according to claim 4; It is characterized in that: when a turbosupercharger is in fast state; No. two turbosupercharger is in lower-speed state; When No. two turbosupercharger were in fast state, No. one turbosupercharger was in lower-speed state, thereby realized the self-loopa of turbosupercharger; Its self-loopa is to add travel control switch through horizontal reductor to regulate and control the high temperature shift valve; And then regulate the rotating speed and the rotating of turbosupercharger, and the net result of adjusting is that the rotating speed of a wherein supercharger is 35～45% of an another supercharger speed, vice versa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110307881.8A CN102507202B (en) | 2011-10-12 | 2011-10-12 | Turbocharger self-circulation low-cycle fatigue testing device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110307881.8A CN102507202B (en) | 2011-10-12 | 2011-10-12 | Turbocharger self-circulation low-cycle fatigue testing device and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102507202A true CN102507202A (en) | 2012-06-20 |
| CN102507202B CN102507202B (en) | 2016-09-14 |
Family
ID=46219309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110307881.8A Active CN102507202B (en) | 2011-10-12 | 2011-10-12 | Turbocharger self-circulation low-cycle fatigue testing device and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102507202B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155114A (en) * | 2014-08-07 | 2014-11-19 | 哈尔滨工程大学 | Multifunctional compound supercharging test system |
| CN104359680A (en) * | 2014-12-08 | 2015-02-18 | 湖南天雁机械有限责任公司 | Method and device for detecting and calibrating flow of section-variable turbocharger |
| CN104458238A (en) * | 2014-12-15 | 2015-03-25 | 北京理工大学 | Self-circulating type test bed for turbocharger high-low temperature cycling thermal shock testing |
| CN105043779A (en) * | 2015-09-11 | 2015-11-11 | 北京理工大学 | Turbocharger startup and shutdown impact test device |
| CN105043754A (en) * | 2015-09-11 | 2015-11-11 | 北京理工大学 | Test bed for turbocharger startup and shutdown impact tests |
| CN105090952A (en) * | 2015-09-08 | 2015-11-25 | 上海为默机械科技有限公司 | High-precision combustor for fatigue testing of exhaust system |
| CN105115720A (en) * | 2015-10-12 | 2015-12-02 | 凤城市时代龙增压器制造有限公司 | Test stand used for testing performance of double turbochargers and provided with high-pressure gas shunt device |
| CN105203288A (en) * | 2015-09-11 | 2015-12-30 | 北京理工大学 | Turbocharger starting-stopping impact test stand |
| CN105203330A (en) * | 2015-09-11 | 2015-12-30 | 北京理工大学 | Device for start and stop impact test of turbochargers |
| CN106644536A (en) * | 2016-09-14 | 2017-05-10 | 北京理工大学 | Tank armored vehicle air filter and supercharger performance matching test system |
| CN106706327A (en) * | 2017-01-19 | 2017-05-24 | 浙江大学 | Experimental research device for engine combustion process |
| CN110455509A (en) * | 2019-08-07 | 2019-11-15 | 中国北方发动机研究所(天津) | A kind of turbocharger test platform |
| CN111610032A (en) * | 2020-05-06 | 2020-09-01 | 湖南汉能科技有限公司 | Pipeline and valve system of aero-engine combustion chamber test bed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000070562A1 (en) * | 1999-05-14 | 2000-11-23 | Alliedsignal Inc. | Turbocharger fatigue life monitor |
| CN1793819A (en) * | 2005-12-30 | 2006-06-28 | 北京理工大学 | Self-circulation fatigue experimental bench for turbocharger |
| US7231291B2 (en) * | 2005-09-15 | 2007-06-12 | Cummins, Inc. | Apparatus, system, and method for providing combined sensor and estimated feedback |
| US7757549B2 (en) * | 2008-02-21 | 2010-07-20 | Cummins Ip, Inc | Apparatus, system, and method for predictive control of a turbocharger |
| CN101793619A (en) * | 2010-03-12 | 2010-08-04 | 北京理工大学 | Test bench with double combustion chambers, double superchargers and low cycle fatigue based on self-circulation mode |
-
2011
- 2011-10-12 CN CN201110307881.8A patent/CN102507202B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000070562A1 (en) * | 1999-05-14 | 2000-11-23 | Alliedsignal Inc. | Turbocharger fatigue life monitor |
| US7231291B2 (en) * | 2005-09-15 | 2007-06-12 | Cummins, Inc. | Apparatus, system, and method for providing combined sensor and estimated feedback |
| CN1793819A (en) * | 2005-12-30 | 2006-06-28 | 北京理工大学 | Self-circulation fatigue experimental bench for turbocharger |
| US7757549B2 (en) * | 2008-02-21 | 2010-07-20 | Cummins Ip, Inc | Apparatus, system, and method for predictive control of a turbocharger |
| CN101793619A (en) * | 2010-03-12 | 2010-08-04 | 北京理工大学 | Test bench with double combustion chambers, double superchargers and low cycle fatigue based on self-circulation mode |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155114B (en) * | 2014-08-07 | 2016-08-24 | 哈尔滨工程大学 | Multi-functional combined supercharging pilot system |
| CN104155114A (en) * | 2014-08-07 | 2014-11-19 | 哈尔滨工程大学 | Multifunctional compound supercharging test system |
| CN104359680A (en) * | 2014-12-08 | 2015-02-18 | 湖南天雁机械有限责任公司 | Method and device for detecting and calibrating flow of section-variable turbocharger |
| CN104359680B (en) * | 2014-12-08 | 2017-06-06 | 湖南天雁机械有限责任公司 | Variable-area turbocharger flow detection and the method and device demarcated |
| CN104458238A (en) * | 2014-12-15 | 2015-03-25 | 北京理工大学 | Self-circulating type test bed for turbocharger high-low temperature cycling thermal shock testing |
| CN105090952A (en) * | 2015-09-08 | 2015-11-25 | 上海为默机械科技有限公司 | High-precision combustor for fatigue testing of exhaust system |
| CN105043754A (en) * | 2015-09-11 | 2015-11-11 | 北京理工大学 | Test bed for turbocharger startup and shutdown impact tests |
| CN105203288A (en) * | 2015-09-11 | 2015-12-30 | 北京理工大学 | Turbocharger starting-stopping impact test stand |
| CN105203330A (en) * | 2015-09-11 | 2015-12-30 | 北京理工大学 | Device for start and stop impact test of turbochargers |
| CN105043779A (en) * | 2015-09-11 | 2015-11-11 | 北京理工大学 | Turbocharger startup and shutdown impact test device |
| CN105043779B (en) * | 2015-09-11 | 2018-07-27 | 北京理工大学 | A kind of turbocharger start/stop impact experimental rig |
| CN105203330B (en) * | 2015-09-11 | 2019-02-19 | 北京理工大学 | A kind of device for the test of turbocharger start/stop impact |
| CN105115720A (en) * | 2015-10-12 | 2015-12-02 | 凤城市时代龙增压器制造有限公司 | Test stand used for testing performance of double turbochargers and provided with high-pressure gas shunt device |
| CN106644536A (en) * | 2016-09-14 | 2017-05-10 | 北京理工大学 | Tank armored vehicle air filter and supercharger performance matching test system |
| CN106706327A (en) * | 2017-01-19 | 2017-05-24 | 浙江大学 | Experimental research device for engine combustion process |
| CN110455509A (en) * | 2019-08-07 | 2019-11-15 | 中国北方发动机研究所(天津) | A kind of turbocharger test platform |
| CN111610032A (en) * | 2020-05-06 | 2020-09-01 | 湖南汉能科技有限公司 | Pipeline and valve system of aero-engine combustion chamber test bed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102507202B (en) | 2016-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102507202A (en) | Self-circulation low-cycle fatigue test device and method for turbochargers | |
| EP1625290B1 (en) | Turbocharger system for an internal combustion engine | |
| US6301889B1 (en) | Turbocharger with exhaust gas recirculation | |
| CN102822471B (en) | There is the super-turbocharger of high speed traction driving and continuous variable gearbox | |
| US9003793B2 (en) | Turbocharger assembly with compressed air cooled bearings | |
| EP1954929B1 (en) | Internal combustion engine with two-stage turbo charging system | |
| JP2009517584A (en) | Turbocharged engine system and operation method | |
| US11174784B2 (en) | Method of operating a gas turbine power plant with exhaust gas recirculation and corresponding gas turbine power plant | |
| JP4387411B2 (en) | Turbo compressor system for an internal combustion engine having two in-line turbo units with a coaxial rotation axis | |
| CN102128079A (en) | Injection/drainage air-supply turbocharging system | |
| US20150083096A1 (en) | Turbocharger turbine booster | |
| GB2545942A (en) | Double channel power turbine system and control method thereof | |
| CN202255886U (en) | Turbocharger self-circulation low-cycle fatigue testing device | |
| CN108661822A (en) | SAPMAC method fanjet between very high pressure | |
| CN203867702U (en) | Turbine air intake supercharger of axial-flow type aerodynamic internal combustion engine | |
| CN205260112U (en) | Gas -exhausting flow path , be used for exhaust subassembly and power supply of internal -combustion engine | |
| CN103422976A (en) | Gas turbine turbocharger suitable for coke oven gas internal combustion engine | |
| CN203547921U (en) | Combustion engine turbocharger applicable to coke oven gas internal combustion engine | |
| CN103201481A (en) | Low-pressure loop EGR devices | |
| CN202056191U (en) | Turbocharger bearing | |
| CN110080830A (en) | A kind of radial-flow type supercharging device of included back disk impinging cooling | |
| CN104791106A (en) | Method of operating a gas turbine assembly and the gas turbine assembly | |
| US9988984B2 (en) | Turbo-charging system of an engine | |
| CN115388039B (en) | Controllable spray water temperature reducing device based on high-pressure exhaust driving of air compressor | |
| CN207297153U (en) | A kind of turbosupercharger of car engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |