CN104931275B - A kind of function realizing method of the bench test device based on dual-motor drive system - Google Patents

A kind of function realizing method of the bench test device based on dual-motor drive system Download PDF

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Publication number
CN104931275B
CN104931275B CN201510328454.6A CN201510328454A CN104931275B CN 104931275 B CN104931275 B CN 104931275B CN 201510328454 A CN201510328454 A CN 201510328454A CN 104931275 B CN104931275 B CN 104931275B
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China
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motor
bench test
dual
grades
isg
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CN201510328454.6A
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CN104931275A (en
Inventor
林歆悠
林海波
翟柳清
冯其高
张少博
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Fuzhou University
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Fuzhou University
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Abstract

The present invention relates to a kind of bench test device and its function realizing method based on dual-motor drive system, including motor, ISG motors, two grades of planetary transmissions, raising speed case, flywheel group, electric dynamometer, electrokinetic cell, the first torque and speed sensorses and the second torque and speed sensorses;Described ISG motors are directly integrated on the output shaft of the motor, the first torque and speed sensorses described in the output shaft warp of the ISG motors are connected to the input shaft of two grades of planetary transmissions, the output shaft of two grades of planetary transmissions is connected to the input shaft of the flywheel group through second torque and speed sensorses, raising speed case successively, and the output of the flywheel group is pivotally connected to the input shaft of the electric dynamometer;Described motor is connected with described electrokinetic cell.The present invention can realize the bench test of pure electric automobile and hybrid vehicle simultaneously.

Description

A kind of function realizing method of the bench test device based on dual-motor drive system
Technical field
The present invention relates to automobile engine bench test technology, particularly a kind of bench test device based on dual-motor drive system And its function realizing method.
Background technology
Automobile bench simulation test is an important ring for automotive development test.Bench simulation test reduces pure software simulation Emulation and the gap of actual conditions, and substantially reduce the cycle of real train test.Current stand is mainly set using modularization Meter, mainly including energy supply module, drive module, inertia simulation module, load simulation module, data acquisition module and platform Frame main control module.By the change to submodule, stand is set to realize the experiment for different types of structure automobile.
The content of the invention
In view of this, the purpose of the present invention is to propose to a kind of bench test device and its work(based on dual-motor drive system Energy implementation method, can realize the bench test of pure electric automobile and hybrid vehicle simultaneously.
The device of the present invention is realized using following scheme:A kind of bench test device based on dual-motor drive system, tool Body include motor, ISG motors, two grades of planetary transmissions, raising speed case, flywheel group, electric dynamometer, electrokinetic cell, First torque and speed sensorses and the second torque and speed sensorses;Described ISG motors are directly integrated in the motor Output shaft on, the first described torque and speed sensorses of the output shafts of ISG motors warp are connected to two grades of planet teeth The input shaft of wheel speed, the output shafts of two grades of planetary transmissions successively through second torque and speed sensorses, Raising speed case is connected to the input shaft of the flywheel group, and the output of the flywheel group is pivotally connected to the input of the electric dynamometer Axle;Described motor is connected with described electrokinetic cell.
Further, described motor is connected with simulated engine case.
Further, the bench test device based on dual-motor drive system also includes and the motor phase Drive motor controller even, the ISG electric machine controllers being connected with the ISG motors and two grades of planetary transmissions Connected gearbox controller, CAN and upper strata master station and corresponding testing system software.
The invention of the present invention is realized using following scheme:A kind of a kind of as described above is based on dual-motor drive system The function realizing method of bench test device, it is specially:Dual-motors Driving system is based on described in being accessed when the simulated engine case During the bench test device of system, the device carries out hybrid power bench test;When the simulated engine case with described based on double When the bench test device of motor driven systems disconnects and the ISG motors dally, the device carries out single pure electronic stand of motor Experiment;When the simulated engine case and the bench test device disconnection based on dual-motor drive system and ISG electricity When machine is powered, the device carries out the pure electronic bench test of bi-motor.
Further, the bench test device based on dual-motor drive system also includes and the motor phase Drive motor controller even, the ISG electric machine controllers being connected with the ISG motors and two grades of planetary transmissions Connected gearbox controller, CAN and upper strata master station and corresponding testing system software.
It is the pure electricity of single motor when ISG motors dally it is preferred that when the device of the present invention carries out pure electric automobile experiment Electrical automobile test-bed.Write by master station software controlling strategies, realize and the pure electricity of single motor is realized in the case where setting control strategy The test of electrical automobile vehicle performance.Simultaneously because employing two grades of planetary transmissions, stand can carry out corresponding gearshift control Strategy study processed.After ISG electrical powers, the drive system of stand is changed into dual-motor drive system, and ISG motors turn into pure electricity The stand-by motor of electrical automobile test-bed, the now cooperation of bi-motor can further improve the efficiency of main drive motor, and then It is improved vehicle efficiency.Bench test now, corresponding Double Motor Control strategy can be tested accordingly.
Particularly, when the device of the present invention carries out hybrid vehicle experiment, simulated engine case simulating engine is real When operating condition, by upper strata master station control motor, using motor output simulation real engine output, this When ISG motors equivalent to it is integrated with engine output shaft.Now hardware configuration is combined equivalent to ISG motors with engine Hybrid power system.
Compared with prior art, the present invention uses advanced two grades of planetary transmissions, overcomes the single gear of transmission Limitation of the speed change for Bench Test System test performance, the two speed transmission being made up of the independent planetary gears of two rows, when When front-seat planetary gears gear ring is braked by gearbox controller, heel row planetary gears is in and freely dallied, now Gearratio is determined by front-seat planetary gears, front-seat when heel row planetary gears gear ring is braked by gearbox controller Planetary gears is in and freely dallied, and gearratio now is determined by heel row planetary gears.The present invention is breakthrough simultaneously By ISG motors it is integrated with driving motor output shaft, can realize single motor it is pure it is electronic, bi-motor is pure electronic and mixing is dynamic The corresponding test stand performance test of power automobile.
Brief description of the drawings
Fig. 1 is the structural representation of experimental rig of the embodiment of the present invention.
Fig. 2 is the inventive method schematic diagram.
Primary clustering symbol description]
In figure:1 is motor, and 2 be ISG motors, and 3 be the first torque and speed sensorses, and 4 be two grades of planetary gear speed-changings Device, 5 be the second torque and speed sensorses, and 6 be raising speed case, and 7 be flywheel group, and 8 be electric dynamometer.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
As shown in figure 1, present embodiments providing a kind of bench test device based on dual-motor drive system, specifically include Motor, ISG motors, two grades of planetary transmissions, raising speed case, flywheel group, electric dynamometer, electrokinetic cell, first turn Fast torque sensor and the second torque and speed sensorses;Described ISG motors are directly integrated in the output of the motor On axle, the first torque and speed sensorses that the output shaft warp of the ISG motors is described are connected to two grades of planetary gear speed-changings The input shaft of device, the output shaft of two grades of planetary transmissions is successively through second torque and speed sensorses, raising speed case The input shaft of the flywheel group is connected to, the output of the flywheel group is pivotally connected to the input shaft of the electric dynamometer;It is described Motor be connected with described electrokinetic cell.
In the present embodiment, described motor is connected with simulated engine case.
In the present embodiment, the bench test device based on dual-motor drive system also includes and the driving electricity The connected drive motor controller of machine, the ISG electric machine controllers being connected with the ISG motors and two grades of planetary gears become Fast device connected gearbox controller, CAN and upper strata master station and corresponding testing system software.
As shown in Fig. 2 the present embodiment additionally provides a kind of a kind of platform based on dual-motor drive system as described above The function realizing method of frame experimental rig, it is specially:Dual-motor drive system is based on described in being accessed when the simulated engine case Bench test device when, the device carry out hybrid power bench test;When the simulated engine case with described based on double electricity When the bench test device of machine drive system disconnects and the ISG motors dally, the device carries out the pure electronic stand examination of single motor Test;When the simulated engine case and the bench test device disconnection based on dual-motor drive system and the ISG motors During energization, the device carries out the pure electronic bench test of bi-motor.
It is preferred that in the present embodiment, when the bench test device of the simulated engine case access present invention, now pass through The control of master station, the output of motor export equivalent to engine, the oil on the controllable simulated engine of test drive person Door pedal simultaneously coordinates brake pedal to carry out corresponding drive simulating control.Platform system now is equivalent to based on ISG motors Hybrid power system, ISG motors are equivalent on integrated and engine output shaft.In no access simulated engine case, stand Test as pure electronic experiment.Whether when carrying out pure electrokinetic tests, the pure electronic drive of single motor can be divided into by being dallied according to ISG motors Dynamic system and bi-motor pure electric drive system.It is the pure electric automobile test-bed of single motor when ISG motors dally.Pass through Master station software controlling strategies are write, and realize the survey that single motor whole pure electric vehicle performance is realized in the case where setting control strategy Examination.Simultaneously because employing two grades of planetary transmissions, stand can carry out corresponding shift control strategy research.When ISG electricity After machine is powered, the drive system of stand is changed into dual-motor drive system, and ISG motors turn into the auxiliary of pure electric automobile test-bed Motor is helped, now the cooperation of bi-motor can further improve the efficiency of main drive motor, and then be improved vehicle efficiency. Bench test now, corresponding Double Motor Control strategy can be tested accordingly.
In the present embodiment, when carrying out bench test, control system is by controlling drive motor controller and ISG electricity Machine controller, change motor energization current to change torque and rotating speed.Two grades of planetary transmission changing according to default Gear strategy, is braked respectively by brake to the gear ring of front and rear row planetary gears.Current rows of planetary gear mechanism tooth When circle is braked by gearbox controller, heel row planetary gears is in and freely dallied, and gearratio now is by preceding rows of planetary tooth Mechanism is taken turns to determine;When heel row planetary gears gear ring is braked by gearbox controller, front-seat planetary gears is in certainly By dallying, gearratio now is determined by heel row planetary gears.Torque and speed sensorses while rotational speed and torque is gathered, It can be good at verifying transmission ratio.Flywheel group is coordinated for vehicle inertia using raising speed case after speed changer output Simulation, afterwards by electric dynamometer come simulate vehicle run running resistance.
In summary, drive system of the present invention uses bi-motor(Main drive motor, ISG motors), it is innovative by ISG electricity Machine is integrated on the output shaft of main drive motor.The automatic transmission that uses of the present invention is two grades of planetary transmission simultaneously, Compared to current used motor electrodeless variable-speed, the dynamic property and economy of automobile can be further improved, is more adapted to The development of following electric automobile.A kind of bench test device based on dual-motor drive system of the present invention can be realized simultaneously in addition The bench test of pure electric automobile and hybrid vehicle.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with Modification, it should all belong to the covering scope of the present invention.

Claims (2)

1. a kind of function realizing method of the bench test device based on dual-motor drive system, described to be based on Dual-motors Driving system The bench test device of system includes motor, ISG motors, two grades of planetary transmissions, raising speed case, flywheel group, electric power and surveyed Work(machine, electrokinetic cell, the first torque and speed sensorses and the second torque and speed sensorses;Described ISG motors are directly integrated On the output shaft of the motor, the first torque and speed sensorses that the output shaft warp of the ISG motors is described are connected to The input shaft of two grades of planetary transmissions, the output shaft of two grades of planetary transmissions is successively through described second turn Fast torque sensor, raising speed case are connected to the input shaft of the flywheel group, and the output of the flywheel group is pivotally connected to the electric power The input shaft of dynamometer machine;Described motor is connected with described electrokinetic cell;Wherein, described motor is connected with mould Intend engine case;
It is characterized in that:When the simulated engine case access bench test device based on dual-motor drive system, The device carries out hybrid power bench test;When the simulated engine case and the stand based on dual-motor drive system try When experiment device disconnects and the ISG motors dally, the device carries out single pure electronic bench test of motor;When the simulated engine When case is with the bench test device disconnection based on dual-motor drive system and the ISG electrical powers, the device carries out double The pure electronic bench test of motor.
2. a kind of function realizing method of bench test device based on dual-motor drive system according to claim 1, It is characterized in that:The described bench test device based on dual-motor drive system also includes the drive being connected with the motor Dynamic electric machine controller, the ISG electric machine controllers that are connected with the ISG motors, it is connected with two grades of planetary transmissions Gearbox controller, CAN and upper strata master station and corresponding testing system software.
CN201510328454.6A 2015-06-15 2015-06-15 A kind of function realizing method of the bench test device based on dual-motor drive system Expired - Fee Related CN104931275B (en)

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CN105372076B (en) * 2015-12-16 2018-03-23 安徽工业大学 A kind of Multifunctional hybrid power multi-function test stand and its method of testing
CN105738103B (en) * 2016-02-26 2018-08-17 重庆大学 A kind of advanced cutting transmission system exploitation test platform of drum shearer
CN105758650B (en) * 2016-02-29 2018-10-19 重庆长安汽车股份有限公司 A kind of experimental rig of the dynamic coupling system of hybrid vehicle
CN106023772B (en) * 2016-07-08 2018-11-06 广东机电职业技术学院 Automatic gearbox teaching mode
CN106525450B (en) * 2016-11-14 2019-04-16 山东工拓机电设备有限公司 For the matched test method of twin shaft drive electric automobile dynamical system and device
CN107167317B (en) * 2017-06-08 2019-12-03 明阳科技(苏州)股份有限公司 Sliding bearing experimental platform and method

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