CN102507215A - Test bench for electric vehicle drive assembly - Google Patents
Test bench for electric vehicle drive assembly Download PDFInfo
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- CN102507215A CN102507215A CN2011103851793A CN201110385179A CN102507215A CN 102507215 A CN102507215 A CN 102507215A CN 2011103851793 A CN2011103851793 A CN 2011103851793A CN 201110385179 A CN201110385179 A CN 201110385179A CN 102507215 A CN102507215 A CN 102507215A
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000033001 locomotion Effects 0.000 claims description 9
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000004088 simulation Methods 0.000 description 6
- 238000011056 performance test Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007600 charging Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Abstract
The invention discloses a test bench for an electric vehicle drive assembly, which comprises an electric drive assembly, a half shaft, a first torque measuring sensor, a second torque measuring sensor, a first power measuring motor, a second power measuring motor, a battery pack, a first motor controller, a second motor controller, a real-time monitoring system, a first inertial wheel and a second inertial wheel. The electric drive assembly comprises a driving motor, a gearbox and a driving motor controller, the first inertial wheel and the second inertial wheel are symmetrically arranged on the left side and the right side of the half shaft respectively, the driving motor is respectively connected with the first inertial wheel and the second inertial wheel sequentially through the gearbox and the half shaft, the first inertial wheel is connected with the first power measuring motor through the first torque measuring sensor, and the second inertial wheel is connected with the second power measuring motor through the second torque measuring sensor. As the first inertial wheel and the second inertial wheel are arranged on two sides of a tested drive assembly system respectively, the drive assembly system runs in a balanced manner and is less affected by a differential during measurement, and measuring data are accurate.
Description
[technical field]
The present invention relates to a kind of power assembly system of electric vehicle testing table.
[background technology]
The traditional electric automobile testing table is to use the separate unit electric dynamometer to carry out the pure electric power assembly test basically, and it can only be measured pure electric power assembly output carrying out single shaft, can't examine the twin shaft output of pure electric power assembly.And when the separate unit electric dynamometer is measured pure electric power assembly, can't carry out road resistance simulation and car load inertia simulation, thereby can't carry out each item test of pure electric power assembly under road condition.
One Chinese patent application numbers 201010289131 discloses a kind of test bed for pure electric vehicle power assembly, and this test-bed adopts two electric dynamometers that the power output of pure electric automobile power assembly is measured.This test-bed replaces wheel through two electric dynamometers, and carry out the moment of resistance and load and the car load inertia simulation, thus road resistance situation that is virtually reality like reality.Electric inertia simulation (uses electric inertia simulation but dynamometer machine can not provide accurately mostly; It is complicated that therefore its control system becomes); Like this can not the analog electrical electrical automobile in braking procedure kinetic energy consume and carry out the process of braking energy feedback through braking, have bigger limitation for the performance of accurate evaluation power assembly.
One Chinese patent application numbers 201120064010 discloses a kind of testing table that is used for the oil electric mixed dynamic assembly; It adopts inertial flywheel simulated automotive inertia; Adding detent brakes the inertial flywheel group; With the actual damped condition of simulated automotive, improve the validity of test, reduce the control complexity that dynamometer machine simulated automotive inertia is caused.Weak point is that single inertial flywheel group causes running uneven, causes the accurately transport condition of simulated automotive of bigger vibration, has influence on the order of accuarcy of measurement data.
[summary of the invention]
The technical matters that the present invention will solve provides a kind of running balance, and measurement data is the Drive for EV assembly testing bench accurately.
In order to solve the problems of the technologies described above; The technical scheme that the present invention adopts is; A kind of Drive for EV assembly testing bench comprises that sensor is turned round in motorized motions assembly, semiaxis, first survey, sensor, first dynamometer motor, second dynamometer motor, electric battery, first electric machine controller, second electric machine controller and real-time monitoring system are turned round in second survey, and the motorized motions assembly comprises drive motor, wheel box and drive motor controller; Drive motor is connected with drive motor controller; Drive motor controller is connected with electric battery, and testing table also comprises first flying wheel and second flying wheel, and first flying wheel and second flying wheel are arranged symmetrically in the left and right sides of semiaxis; Drive motor is connected to semiaxis through wheel box successively; Semiaxis is connected with second flying wheel with first flying wheel respectively through transmission shaft; First flying wheel is connected with first dynamometer motor through transmission shaft, and first survey is turned round sensor and is connected with the transmission shaft that first flying wheel is connected to first dynamometer motor; Second flying wheel is connected with second dynamometer motor through transmission shaft, and second survey is turned round sensor and is connected with the transmission shaft that second flying wheel is connected to second dynamometer motor.
As preferably, first dynamometer motor is connected with first electric machine controller.
As preferably, second dynamometer motor is connected with second electric machine controller.
As preferably, electric battery also is connected with first electric machine controller, second electric machine controller respectively.
As preferably, also comprise charger, charger is connected with electric battery.
As preferably, real-time monitoring system is surveyed and is turned round sensor, second and survey and turn round sensor, first electric machine controller, second electric machine controller, drive motor controller and electric battery and be connected with first respectively.
The invention has the beneficial effects as follows:
Arrange first flying wheel and second flying wheel in the symmetria bilateralis of tested driving assembly system respectively, make its running balance, the influence that receives differential mechanism during measurement is little, and measurement data is accurate.
[description of drawings]
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is the structural representation of Drive for EV assembly testing bench embodiment of the present invention.
Among the figure, 1-dynamometer motor, 2-are surveyed and are turned round sensor, 3-left side flying wheel, 4-transmission shaft; 5-motorized motions assembly, 6-semiaxis, 7-transmission shaft, the right flying wheel of 8-; 9-surveys and turns round sensor, 10-dynamometer motor, 11-controller, 12-controller; The 13-charger, 14-electric battery, 15-controller, 16-real-time monitoring system.
[embodiment]
In Fig. 1; A kind of Drive for EV assembly testing bench comprises that sensor 2 is turned round in motorized motions assembly 5, semiaxis 6, left flying wheel 3, right flying wheel 8, survey, sensor 9, dynamometer motor 1, dynamometer motor 10, charger 13, electric battery 14, controller 11, controller 15 and real-time monitoring system 16 are turned round in survey.Wherein motorized motions assembly 5 is made up of drive motor, wheel box and controller 12.
For reducing the vibrations of testing table, be the center with semiaxis 6, left flying wheel 3 and right flying wheel 8 and the corresponding parts that are connected thereof are arranged symmetrically in the left and right sides of semiaxis 6.
Drive motor in the motorized motions assembly 5 is connected with semiaxis 6 through wheel box; Semiaxis 6 is connected with left flying wheel 3 through the transmission shaft 4 in left side; Left side flying wheel 3 is connected with dynamometer motor 1 through transmission shaft, and survey is turned round sensor 2 and is connected with the transmission shaft that left flying wheel 3 is connected to dynamometer motor 1; In addition, semiaxis 6 is connected with right flying wheel 8 through the transmission shaft 7 on right side simultaneously, and right flying wheel 8 is connected with dynamometer motor 10 through transmission shaft 7, and survey is turned round sensor 9 and is connected with the transmission shaft that right flying wheel 8 is connected to dynamometer motor 10.Testing table in the running, divide two flying wheels being located at left and right sides can mutual restriction, keep balance, therefore reduce to vibrate influence to the measurement data accuracy.
This testing table is provided with charger 13, and charger 13 input end incoming transport power supplys or by the output current of measurement of power motor 1 and 10, output terminal is connected with electric battery 14 are used for electric battery 14 chargings.
Real-time monitoring system 16 is connected respectively to survey and turns round sensor 2, surveys and turn round sensor 9, controller 11, controller 12, controller 15 and electric battery 14, the collection of the data that make an experiment and processing.
Principle of work:
Tested motorized motions assembly 5 energising operations, the semiaxis 6 that passes through connect the left flying wheel 3 that drives both sides and rotate with right flying wheel 87.Left side flying wheel 3 is measured the rotating speed that drives the assembly system with right flying wheel 8 through tachometer of measuring; The survey that is attached to respectively on the transmission shaft of both sides is turned round sensor 2 and is surveyed the output torque of turning round the tested driving assembly of sensor 9 measurements system 5; Dynamometer motor 1 is measured output power through electric machine controller 11; Dynamometer motor 10 is measured output power through electric machine controller 15.
In test, dynamometer motor 1 and dynamometer motor 10 play the function of generator again, the output power of tested driving assembly system are converted into electric current input electric battery 14 through charger 13, to reach energy savings, the purpose of Recycling.
Present embodiment can be accomplished following test:
1, kinematic train comprehensive performance test;
2, survey wheel box input speed, torque, power;
3, flying wheel simulation wheel is surveyed acceleration;
4, wheel box endurance quality test;
5, self shifter performance test;
6, differential mechanism performance test.
Claims (6)
1. Drive for EV assembly testing bench; Comprise that sensor is turned round in motorized motions assembly, semiaxis, first survey, sensor, first dynamometer motor, second dynamometer motor, electric battery, first electric machine controller, second electric machine controller and real-time monitoring system are turned round in second survey; Described motorized motions assembly comprises drive motor, wheel box and drive motor controller; Said drive motor is connected with drive motor controller, and drive motor controller is connected with said electric battery, it is characterized in that; Said testing table also comprises first flying wheel and second flying wheel, and said first flying wheel and said second flying wheel are arranged symmetrically in the left and right sides of semiaxis; Said drive motor is connected to semiaxis through wheel box; Semiaxis is connected with second flying wheel with first flying wheel respectively through transmission shaft; Said first flying wheel is connected with first dynamometer motor through transmission shaft, and said first survey is turned round sensor and is connected with the transmission shaft that first flying wheel is connected to first dynamometer motor; Said second flying wheel is connected with second dynamometer motor through transmission shaft, and said second survey is turned round sensor and is connected with the transmission shaft that second flying wheel is connected to second dynamometer motor.
2. Drive for EV assembly testing bench according to claim 1 is characterized in that, described first dynamometer motor is connected with first electric machine controller.
3. Drive for EV assembly testing bench according to claim 1 is characterized in that, described second dynamometer motor is connected with second electric machine controller.
4. Drive for EV assembly testing bench according to claim 1 is characterized in that, said electric battery also is connected with first electric machine controller, second electric machine controller respectively.
5. Drive for EV assembly testing bench according to claim 1 is characterized in that, also comprises charger, and said charger is connected with electric battery.
6. Drive for EV assembly testing bench according to claim 1; It is characterized in that said real-time monitoring system is turned round sensor with first survey respectively, second survey is turned round sensor, first electric machine controller, second electric machine controller, drive motor controller and electric battery and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103851793A CN102507215A (en) | 2011-11-28 | 2011-11-28 | Test bench for electric vehicle drive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103851793A CN102507215A (en) | 2011-11-28 | 2011-11-28 | Test bench for electric vehicle drive assembly |
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| CN102507215A true CN102507215A (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103851793A Pending CN102507215A (en) | 2011-11-28 | 2011-11-28 | Test bench for electric vehicle drive assembly |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236919A (en) * | 2014-09-05 | 2014-12-24 | 武汉理工大学 | Multifunctional performance test bed for electric vehicle |
| CN104696507A (en) * | 2015-02-28 | 2015-06-10 | 重庆大学 | Intelligent gear-shifting robot arm and method for testing gear-shifting performance of speed changer of robot arm |
| CN109187043A (en) * | 2018-08-10 | 2019-01-11 | 哈尔滨理工大学 | High speed electric automobile dynamic system simulator and analogy method |
| WO2019112408A1 (en) | 2017-12-04 | 2019-06-13 | Université Mohammed V Rabat | Smart bench route simulator for electric and solar vehicle diagnostics |
| CN111267820A (en) * | 2020-02-26 | 2020-06-12 | 中车齐齐哈尔车辆有限公司 | Dynamic performance test system for foundation brake device |
| CN113049270A (en) * | 2021-03-24 | 2021-06-29 | 林武 | Chassis power measuring module additionally arranged on inertial type roller braking inspection bench |
| CN113218656A (en) * | 2021-05-12 | 2021-08-06 | 江苏太平洋精锻科技股份有限公司 | Experiment bench for testing dynamic performance of new energy power assembly differential mechanism |
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| US5447060A (en) * | 1993-11-26 | 1995-09-05 | Schenck Pegasus Corporation | Chasis dynamometer with improved torque measurement |
| JP2005140668A (en) * | 2003-11-07 | 2005-06-02 | Toyota Motor Corp | Output inspection device and output inspection method |
| CN101000281A (en) * | 2006-12-28 | 2007-07-18 | 奇瑞汽车有限公司 | Bench test device for power assembly of mixed power electric vehicle |
| CN101923006A (en) * | 2010-09-24 | 2010-12-22 | 重庆长安汽车股份有限公司 | Test bed for pure electric vehicle power assembly |
| CN102072821A (en) * | 2010-11-17 | 2011-05-25 | 无锡迈为电子技术有限公司 | Novel electric vehicle testing device |
| CN201955233U (en) * | 2011-03-11 | 2011-08-31 | 中国汽车技术研究中心 | Test bed for oil-electricity hybrid power assembly |
| CN202382944U (en) * | 2011-11-28 | 2012-08-15 | 合肥瑞吉安新能源汽车科技有限公司 | Electric automobile drive assembly test platform |
-
2011
- 2011-11-28 CN CN2011103851793A patent/CN102507215A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5447060A (en) * | 1993-11-26 | 1995-09-05 | Schenck Pegasus Corporation | Chasis dynamometer with improved torque measurement |
| JP2005140668A (en) * | 2003-11-07 | 2005-06-02 | Toyota Motor Corp | Output inspection device and output inspection method |
| CN101000281A (en) * | 2006-12-28 | 2007-07-18 | 奇瑞汽车有限公司 | Bench test device for power assembly of mixed power electric vehicle |
| CN101923006A (en) * | 2010-09-24 | 2010-12-22 | 重庆长安汽车股份有限公司 | Test bed for pure electric vehicle power assembly |
| CN102072821A (en) * | 2010-11-17 | 2011-05-25 | 无锡迈为电子技术有限公司 | Novel electric vehicle testing device |
| CN201955233U (en) * | 2011-03-11 | 2011-08-31 | 中国汽车技术研究中心 | Test bed for oil-electricity hybrid power assembly |
| CN202382944U (en) * | 2011-11-28 | 2012-08-15 | 合肥瑞吉安新能源汽车科技有限公司 | Electric automobile drive assembly test platform |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236919A (en) * | 2014-09-05 | 2014-12-24 | 武汉理工大学 | Multifunctional performance test bed for electric vehicle |
| CN104236919B (en) * | 2014-09-05 | 2016-03-09 | 武汉理工大学 | Electric automobile multifunctional performance test-bed |
| CN104696507A (en) * | 2015-02-28 | 2015-06-10 | 重庆大学 | Intelligent gear-shifting robot arm and method for testing gear-shifting performance of speed changer of robot arm |
| CN104696507B (en) * | 2015-02-28 | 2017-09-15 | 重庆大学 | Intelligent gearshift robot arm and its shift of transmission performance test methods |
| WO2019112408A1 (en) | 2017-12-04 | 2019-06-13 | Université Mohammed V Rabat | Smart bench route simulator for electric and solar vehicle diagnostics |
| CN109187043A (en) * | 2018-08-10 | 2019-01-11 | 哈尔滨理工大学 | High speed electric automobile dynamic system simulator and analogy method |
| CN111267820A (en) * | 2020-02-26 | 2020-06-12 | 中车齐齐哈尔车辆有限公司 | Dynamic performance test system for foundation brake device |
| CN113049270A (en) * | 2021-03-24 | 2021-06-29 | 林武 | Chassis power measuring module additionally arranged on inertial type roller braking inspection bench |
| CN113218656A (en) * | 2021-05-12 | 2021-08-06 | 江苏太平洋精锻科技股份有限公司 | Experiment bench for testing dynamic performance of new energy power assembly differential mechanism |
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Application publication date: 20120620 |