CN109100156A - A kind of driving of P2 framework hybrid power assembly is endurance test method - Google Patents
A kind of driving of P2 framework hybrid power assembly is endurance test method Download PDFInfo
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- CN109100156A CN109100156A CN201810764635.7A CN201810764635A CN109100156A CN 109100156 A CN109100156 A CN 109100156A CN 201810764635 A CN201810764635 A CN 201810764635A CN 109100156 A CN109100156 A CN 109100156A
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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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
- G01M13/02—Gearings; Transmission mechanisms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
Abstract
A kind of driving of P2 framework hybrid power assembly is endurance test method, belongs to the detection method of P2 framework hybrid power assembly reliability.The present invention is directed to existing defect, provides a kind of reliability for being able to verify that each components examination of P2 framework hybrid power assembly, is able to verify that the P2 framework hybrid power assembly driving for switching durability degree between each drive mode of power assembly is endurance test method.In the present invention, tested power assembly is mounted on power assembly experimental bench, speed changer is connect by semiaxis with dynamometer machine, engine inlet and exhaust system is installed, engine is connected to motor, shifting of transmission device is installed, the water cooling of power assembly, oil cooled system system are connect with the cooling equipment of power assembly testing stand, fill coolant liquid and lubricating oil for power assembly；Power assembly high voltage supply cable and low pressure electric-control system harness are installed；Start the durable carry out cyclic test of P2 framework hybrid power assembly according to various operating conditions.Present invention is mainly applied to power assembly endurance tests.
Description
Technical field
The invention belongs to the detection method of P2 framework hybrid power assembly reliability, specially a kind of P2 framework hybrid power
Assembly driving is endurance test method.
Background technique
The durability that power assembly uses refers to power assembly in the work phase before wearing or unbearably using that reaches capacity
Limit.It briefly, is exactly the service life of power assembly, depending on the wearability of part and the ability of resisting fatigue.Driving system
Endurance test is to carry out cycle endurance test by carrying out the operating condition of test of rather harsh, is equivalent to the accumulative traveling 200,000 of vehicle vehicle
Kilometer to carry out durable examination to power assembly system；The total driving of current driving force is durable based on transfer motion power assembly.
It is therefore desirable to a kind of reliability for being able to verify that each components examination of P2 framework hybrid power assembly, can test
The P2 framework hybrid power assembly driving for demonstrate,proving switching durability degree between each drive mode of power assembly is endurance test method.
Summary of the invention
The present invention is not able to verify that the reliability of each part of power assembly, is not able to verify that power is total for existing endurance test
At the defect for switching durability degree between each drive mode, provides one kind and be able to verify that each components of P2 framework hybrid power assembly
The reliability of examination is able to verify that the P2 framework hybrid power assembly driving for switching durability degree between each drive mode of power assembly
It is endurance test method.
A kind of P2 framework hybrid power assembly driving according to the present invention is that the technical solution of endurance test method is as follows:
A kind of P2 framework hybrid power assembly driving according to the present invention is endurance test method, it includes following step
It is rapid:
Step 1: tested power assembly is mounted on power assembly experimental bench, power assembly include engine, motor and
Speed changer, the power assembly experimental bench further includes battery simulator and electric machine controller；
Step 2: the output end of speed changer is connect by semiaxis with dynamometer machine, engine inlet and exhaust system, hair are installed
Motivation is connected to motor, and installs shifting of transmission device and connect with the gear-shifting actuating mechanism of power assembly testing stand, motor control
Device processed is connected to motor, and battery simulator is connect with electric machine controller；
It is power Step 3: the water cooling of power assembly, oil cooled system system are connect with the cooling equipment of power assembly testing stand
Assembly fills coolant liquid and lubricating oil；
Step 4: installation power assembly high voltage supply cable and low pressure electric-control system harness；
Step 5: it is durable to start P2 framework hybrid power assembly according to each operating condition, limited times cyclic test is carried out；
Step 6: removing power assembly from testing stand after operating condition of test end of run, overhaul is carried out.
Further: in step 5, each operating condition is operating condition 1- operating condition 9, and operating condition 1- operating condition 9 is respectively as follows:
The operating condition 1 is that entire car controller HCU controls power assembly under AUTO mode, and rack is in road load mode
Under tested, control accelerator pedal aperture continuously upshift to after preset vehicle speed, loose accelerator pedal, dynamometer machine are according to resistance coefficient
Reduction of speed, arrival require dynamometer machine braking deceleration after revolving speed to downshift；
The operating condition 2 is that entire car controller HCU controls power assembly under AUTO mode, and rack is in road load mode
Under tested, control accelerator pedal aperture continuously upshift to after preset vehicle speed, loose accelerator pedal, dynamometer machine are according to drag parameter
Reduction of speed, while carrying out manual mode downshift；
The operating condition 3 is that entire car controller HCU controls power assembly under AUTO mode, and rack is in road load mode
Under tested, control accelerator pedal aperture, speed and gear improved into requirements, accelerator pedal aperture be 100% carry out it is anxious
Accelerate downshift, loose accelerator pedal slides downshift；
The operating condition 4 is that entire car controller HCU controls power assembly under AUTO mode, and rack is in road load mode
Under tested, connect operating condition 3 recycle speed, control accelerator pedal speed, gear will be increased to requirements after speed, according to vehicle
Speed provides accelerator pedal aperture 0% or 100%, to realize that step goes up and down shelves, speed gradually rises to demand speed, accelerates
Pedal opening is 0%, and for dynamometer machine according to resistance coefficient reduction of speed, arrival requires dynamometer machine braking deceleration after revolving speed to downshift；
The operating condition 5 is that entire car controller HCU controls power assembly under AUTO mode, and rack is in road load mode
Under tested, control accelerator pedal aperture, speed and gear improved into requirements, accelerator pedal aperture is provided according to speed and is existed
0% or 100%, to realize that step goes up and down shelves, speed gradually rises to demand speed, and accelerator pedal aperture is 0%, dynamometer machine
According to drag parameter reduction of speed, while carrying out manual mode downshift；
The operating condition 6 is the power assembly that entire car controller HCU is tested under rack road load mode, due to
SOC value decline, entire car controller HCU select charge-sustaining mode, carry out active power generation, SOC value is charged to requirements and is switched again
AUTO mode is returned, the durable operating condition of high speed is carried out, speed is increased to maximum value by control pedal aperture, travels a certain distance, Song Jia
Speed pedal, for dynamometer machine according to resistance coefficient reduction of speed, arrival requires dynamometer machine braking deceleration after revolving speed to downshift；
The operating condition 7 is that entire car controller HCU controls power assembly under AUTO mode, and rack is in road load mode
Under tested, entire operating condition speed changer is in manual shift mode, controls accelerator pedal aperture, manual according to engine speed
Upshift, loose accelerator pedal downshift manually according to engine speed；
The operating condition 8 is that entire car controller HCU controls power assembly under AUTO mode, under rack road load mode
It carries out, speed changer is reverse gear, controls accelerator pedal aperture, and speed control is travelled a certain distance in demand speed；
The operating condition 9 is that entire car controller HCU controls power assembly under pure power mode, and rack is in road load mode
Under tested, this process be pure electric drive process, accelerator pedal aperture be 100%, traveling to SOC lower than setting threshold values, pine
Accelerator pedal, coast to stop, battery simulator is by SOC value set initial value.
Further: the air inlet system and exhaust system of the power assembly, semiaxis, shift mechanism use real vehicle component, use
The dynamometer machine simulation real vehicle wheel of real vehicle gear shifting handle and real vehicle gear shift cable wire, testing stand provides road resistance, battery simulator
Simulation real vehicle battery provides electric energy for motor and absorbs the electric energy of motor sending.
Further: in step 5, the limited times is 800 times.
Further: the carrying angle of the power assembly is consistent with real vehicle.
A kind of P2 framework hybrid power assembly driving according to the present invention is that the beneficial effect of endurance test method is:
A kind of P2 framework hybrid power assembly driving according to the present invention is endurance test method, is able to verify that P2 framework
The reliability of hybrid power assembly each components examination is able to verify that between each drive mode of power assembly and switches durability degree, right
Carrying out driving in P2 framework hybrid power assembly newly developed is durable examination, and P2 framework is mixed for traditional power assembly
Closing power assembly has the links such as engine driving, motor driven and combination drive, and each link also filling with battery simulator
Discharge process.
Detailed description of the invention
Fig. 1 is P2 framework hybrid power assembly testing stand connection schematic diagram；
Fig. 2 is speed change curve of the power assembly in operating condition 1；
Fig. 3 is speed change curve of the power assembly in operating condition 2；
Fig. 4 is speed change curve of the power assembly in operating condition 3；
Fig. 5 is speed change curve of the power assembly in operating condition 4；
Fig. 6 is speed change curve of the power assembly in operating condition 5；
Fig. 7 is speed change curve of the power assembly in operating condition 6；
Fig. 8 is speed change curve of the power assembly in operating condition 7；
Fig. 9 is speed change curve of the power assembly in operating condition 8；
Figure 10 is speed change curve of the power assembly in operating condition 9.
Specific embodiment
Below with reference to embodiment, the following further describes the technical solution of the present invention, and however, it is not limited to this, all right
Technical solution of the present invention is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be contained
Lid is within the protection scope of the present invention.
Embodiment 1
Illustrate the present embodiment in conjunction with Fig. 1-Figure 10, in the present embodiment, a kind of P2 framework mixing according to the present invention is dynamic
Power assembly driving be endurance test method, it the following steps are included:
Step 1: tested power assembly is mounted on power assembly experimental bench, power assembly include engine, motor and
Speed changer 1, the power assembly experimental bench further includes battery simulator and electric machine controller；
Step 2: the output end of speed changer 1 is connect by semiaxis 2 with dynamometer machine 3, engine inlet and exhaust system is installed,
Engine is connected to motor, and installs 1 gearshift of speed changer and connect with the gear-shifting actuating mechanism of power assembly testing stand, motor
Controller is connected to motor, and battery simulator is connect with electric machine controller；
It is power Step 3: the water cooling of power assembly, oil cooled system system are connect with the cooling equipment of power assembly testing stand
Assembly fills coolant liquid and lubricating oil；
Step 4: installation power assembly high voltage supply cable and low pressure electric-control system harness；
Step 5: it is durable to start P2 framework hybrid power assembly according to each operating condition, 800 cyclic tests are carried out；
Step 6: removing power assembly from testing stand after operating condition of test end of run, overhaul is carried out.
More specifically: in step 5, curve that specific speed described in the operating condition 1- operating condition 9 changes over time
As seen in figs. 2-10, each operating condition is operating condition 1- operating condition 9, and operating condition 1- operating condition 9 is respectively as follows:
The operating condition 1 is that entire car controller HCU controls power assembly under AUTO (automatic) mode, and rack is negative in road
It is tested under load mode, control accelerator pedal aperture continuously upshifts to after preset vehicle speed, loose accelerator pedal, 3 basis of dynamometer machine
Resistance coefficient reduction of speed, arrival require 3 braking deceleration of dynamometer machine after revolving speed to downshift；
The operating condition 2 is that entire car controller HCU controls power assembly under AUTO mode, and rack is in road load mode
Under tested, control accelerator pedal aperture continuously upshift to after preset vehicle speed, loose accelerator pedal, dynamometer machine 3 are joined according to resistance
Number reduction of speed, while carrying out manual mode downshift；
The operating condition 3 is that entire car controller HCU controls power assembly under AUTO mode, and rack is in road load mode
Under tested, control accelerator pedal aperture, speed and gear improved into requirements, accelerator pedal be given to 100% progress suddenly plus
Prompt drop shelves, loose accelerator pedal slide downshift；
The operating condition 4 is that entire car controller HCU controls power assembly under AUTO mode, and rack is in road load mode
Under tested, connect operating condition 3 recycle speed, control accelerator pedal speed, gear will be increased to requirements after speed, according to vehicle
Speed provides accelerator pedal aperture 0% or 100%, to realize that step goes up and down shelves, speed gradually rises to demand speed, accelerates
Pedal receives 0%, and for dynamometer machine 3 according to resistance coefficient reduction of speed, arrival requires 3 braking deceleration of dynamometer machine after revolving speed to downshift；
The operating condition 5 is that entire car controller HCU controls power assembly under AUTO mode, and rack is in road load mode
Under tested, control accelerator pedal aperture, speed and gear improved into requirements, accelerator pedal aperture is provided according to speed and is existed
0% or 100%, to realize that step goes up and down shelves, speed gradually rises to demand speed, and accelerator pedal receives 0%, dynamometer machine 3
According to drag parameter reduction of speed, while carrying out manual mode downshift；
The operating condition 6 is the power assembly that entire car controller HCU is tested under rack road load mode, due to
SOC value decline, entire car controller HCU select charge-sustaining mode, carry out active power generation, and SOC (state-of-charge) value, which is charged to, to be needed
Evaluation switches back into AUTO mode again, carries out the durable operating condition of high speed, and speed is increased to maximum value by control pedal aperture, travels one section
Distance, loose accelerator pedal, for dynamometer machine 3 according to resistance coefficient reduction of speed, arrival requires 3 braking deceleration of dynamometer machine after revolving speed to downshift；
The operating condition 7 is that entire car controller HCU controls power assembly under AUTO mode, and rack is in road load mode
Under tested, entire operating condition speed changer 1 is in manual shift mode, accelerator pedal aperture is controlled, according to engine speed hand
Dynamic upshift, loose accelerator pedal downshift manually according to engine speed；
The operating condition 8 is that entire car controller HCU controls power assembly under AUTO mode, under rack road load mode
It carries out, speed changer 1 is reverse gear, controls accelerator pedal aperture, and speed control is travelled a certain distance in demand speed；
The operating condition 9 is that entire car controller HCU controls power assembly under pure power mode, and rack is in road load mode
Under tested, this process be pure electric drive process, accelerator pedal 100%, traveling to SOC lower than setting threshold values, pine accelerate step on
Plate, coast to stop, battery simulator is by SOC value set initial value.
More specifically: the air inlet system and exhaust system of power assembly, semiaxis 2, shift mechanism use real vehicle component, use real vehicle
Gear shifting handle and real vehicle gear shift cable wire, the dynamometer machine 3 of testing stand simulate real vehicle wheel and provide road resistance, battery simulator simulation
Real vehicle battery provides electric energy for motor and absorbs the electric energy of motor sending.
Claims (5)
1. a kind of driving of P2 framework hybrid power assembly is endurance test method, which is characterized in that it the following steps are included:
Step 1: tested power assembly is mounted on power assembly experimental bench, power assembly includes engine, motor and speed change
Device (1), the power assembly experimental bench further includes battery simulator and electric machine controller；
Step 2: the output end of speed changer (1) is connect by semiaxis (2) with dynamometer machine (3), engine inlet and outlet system is installed
System, engine are connected to motor, and install speed changer (1) gearshift and connect with the gear-shifting actuating mechanism of power assembly testing stand
It connects, electric machine controller is connected to motor, and battery simulator is connect with electric machine controller；
It is power assembly Step 3: the water cooling of power assembly, oil cooled system system are connect with the cooling equipment of power assembly testing stand
Fill coolant liquid and lubricating oil；
Step 4: installation power assembly high voltage supply cable and low pressure electric-control system harness；
Step 5: it is durable to start P2 framework hybrid power assembly according to each operating condition, limited times cyclic test is carried out；
Step 6: removing power assembly from testing stand after operating condition of test end of run, overhaul is carried out.
2. a kind of P2 framework hybrid power assembly driving according to claim 1 is endurance test method, which is characterized in that
In step 5, each operating condition is operating condition 1- operating condition 9, and operating condition 1- operating condition 9 is respectively as follows:
The operating condition 1 is that entire car controller HCU controls power assembly under AUTO mode, rack under road load mode into
Row test, control accelerator pedal aperture continuously upshift to after preset vehicle speed, and loose accelerator pedal, dynamometer machine (3) are according to resistance coefficient
Reduction of speed, arrival require dynamometer machine (3) braking deceleration after revolving speed to downshift；
The operating condition 2 is that entire car controller HCU controls power assembly under AUTO mode, rack under road load mode into
Row test, control accelerator pedal aperture continuously upshift to after preset vehicle speed, and loose accelerator pedal, dynamometer machine (3) are according to drag parameter
Reduction of speed, while carrying out manual mode downshift；
The operating condition 3 is that entire car controller HCU controls power assembly under AUTO mode, rack under road load mode into
Row test, controls accelerator pedal aperture, speed and gear is improved requirements, accelerator pedal aperture carries out anxious acceleration for 100%
Downshift, loose accelerator pedal slide downshift；
The operating condition 4 is that entire car controller HCU controls power assembly under AUTO mode, rack under road load mode into
Row test connects operating condition 3 and recycles speed, and speed, gear will be increased to requirements after speed, given according to speed by control accelerator pedal
Accelerator pedal aperture is 0% or 100% out, to realize that step goes up and down shelves, speed gradually rises to demand speed, accelerator pedal
Aperture is 0%, and for dynamometer machine (3) according to resistance coefficient reduction of speed, arrival requires dynamometer machine (3) braking deceleration after revolving speed to downshift；
The operating condition 5 is that entire car controller HCU controls power assembly under AUTO mode, rack under road load mode into
Row test, controls accelerator pedal aperture, and speed and gear are improved requirements, provide accelerator pedal aperture 0% according to speed
Or 100%, to realize that step goes up and down shelves, speed gradually rises to demand speed, and accelerator pedal aperture is 0%, dynamometer machine (3)
According to drag parameter reduction of speed, while carrying out manual mode downshift；
The operating condition 6 is the power assembly that entire car controller HCU is tested under rack road load mode, due to SOC
Value decline, entire car controller HCU select charge-sustaining mode, carry out active power generation, SOC value is charged to requirements and is switched back into again
AUTO mode carries out the durable operating condition of high speed, and speed is increased to maximum value by control pedal aperture, travels a certain distance, and pine accelerates
Pedal, for dynamometer machine (3) according to resistance coefficient reduction of speed, arrival requires dynamometer machine (3) braking deceleration after revolving speed to downshift；
The operating condition 7 is that entire car controller HCU controls power assembly under AUTO mode, rack under road load mode into
Row test, entire operating condition speed changer (1) are in manual shift mode, control accelerator pedal aperture, manual according to engine speed
Upshift, loose accelerator pedal downshift manually according to engine speed；
The operating condition 8 is that entire car controller HCU controls power assembly under AUTO mode, under rack road load mode into
Row, speed changer (1) are reverse gear, control accelerator pedal aperture, and speed control is travelled a certain distance in demand speed；
The operating condition 9 is that entire car controller HCU controls power assembly under pure power mode, rack under road load mode into
Row test, this process are pure electric drive process, and accelerator pedal aperture is 100%, and traveling to SOC accelerates lower than setting threshold values, pine
Pedal, coast to stop, battery simulator is by SOC value set initial value.
3. a kind of P2 framework hybrid power assembly driving according to claim 2 is endurance test method, which is characterized in that
The air inlet system and exhaust system of the power assembly, semiaxis (2), shift mechanism use real vehicle component, using real vehicle gear shifting handle and
Dynamometer machine (3) the simulation real vehicle wheel of real vehicle gear shift cable wire, testing stand provides road resistance, and battery simulator simulates real vehicle battery
Electric energy is provided for motor and absorbs the electric energy of motor sending.
4. a kind of P2 framework hybrid power assembly driving according to claim 1 is endurance test method, which is characterized in that
In step 5, the limited times is 800 times.
5. a kind of P2 framework hybrid power assembly driving according to claim 1 is endurance test method, which is characterized in that
The carrying angle of the power assembly is consistent with real vehicle.
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| CN110220719A (en) * | 2019-06-25 | 2019-09-10 | 哈尔滨东安汽车发动机制造有限公司 | A kind of real vehicle sliding wear of simulating on rack is started to walk durable test method |
| CN111735641A (en) * | 2020-06-30 | 2020-10-02 | 东风汽车集团有限公司 | Finished automobile test method and system with self-defined working condition |
| CN111766079A (en) * | 2019-03-31 | 2020-10-13 | 上海华依科技集团股份有限公司 | Engine oil temperature control method applied to pure electric vehicle gearbox bench test |
| CN112014119A (en) * | 2020-08-27 | 2020-12-01 | 东风汽车集团有限公司 | Reliability test device and test method for driving motor assembly |
| CN112213114A (en) * | 2020-09-03 | 2021-01-12 | 哈尔滨东安汽车发动机制造有限公司 | Durability test method for extended-range three-in-one electric drive system assembly rack |
| CN112345239A (en) * | 2020-11-30 | 2021-02-09 | 贵州凯星液力传动机械有限公司 | Test system of P2 hybrid power automatic transmission |
| CN113740075A (en) * | 2021-09-07 | 2021-12-03 | 华业检测技术服务有限公司 | Durability test method for power assembly rack of commercial vehicle P2 hybrid power system |
| CN113834651A (en) * | 2021-09-22 | 2021-12-24 | 哈尔滨东安汽车发动机制造有限公司 | Method for carrying out durability test of rated power of range-extending transmission on rack |
| CN114486279A (en) * | 2020-11-12 | 2022-05-13 | 广州汽车集团股份有限公司 | Power assembly rack test method and system and rack control device |
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| CN112213114A (en) * | 2020-09-03 | 2021-01-12 | 哈尔滨东安汽车发动机制造有限公司 | Durability test method for extended-range three-in-one electric drive system assembly rack |
| CN114486279A (en) * | 2020-11-12 | 2022-05-13 | 广州汽车集团股份有限公司 | Power assembly rack test method and system and rack control device |
| CN112345239A (en) * | 2020-11-30 | 2021-02-09 | 贵州凯星液力传动机械有限公司 | Test system of P2 hybrid power automatic transmission |
| CN113740075A (en) * | 2021-09-07 | 2021-12-03 | 华业检测技术服务有限公司 | Durability test method for power assembly rack of commercial vehicle P2 hybrid power system |
| CN113834651A (en) * | 2021-09-22 | 2021-12-24 | 哈尔滨东安汽车发动机制造有限公司 | Method for carrying out durability test of rated power of range-extending transmission on rack |
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Application publication date: 20181228 |