CN101923006B - Test bed for pure electric vehicle power assembly - Google Patents
Test bed for pure electric vehicle power assembly Download PDFInfo
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- CN101923006B CN101923006B CN2010102891318A CN201010289131A CN101923006B CN 101923006 B CN101923006 B CN 101923006B CN 2010102891318 A CN2010102891318 A CN 2010102891318A CN 201010289131 A CN201010289131 A CN 201010289131A CN 101923006 B CN101923006 B CN 101923006B
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- electric vehicle
- vehicle power
- electric
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000011056 performance test Methods 0.000 abstract description 2
- 238000012795 verification Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000004088 simulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a test bed for a pure electric vehicle power assembly. The test bed measures the power output of the pure electric vehicle power assembly by adopting two electric dynamometers. The pure electric vehicle power assembly is arranged on the test bed according to the installation modes and the fixed positions of a pure electric motor assembly and a gear box assembly; and the pure electric vehicle power assembly is connected with the two electric dynamometers through a driving shaft and a connecting flange, then is connected with a controller of each part, a cooling system, an electrical parameter tester, other parts and the like, and debugs the communication of the whole system. The test bed can be used for performing the following tests of: a functional verification test of a pure electric vehicle power assembly system, various performance test of the pure electric vehicle power assembly and various tests under the road working condition of the pure electric vehicle power assembly.
Description
Technical field
The invention belongs to power assembly system bench test field, be specifically related to a kind of automobile power assembly test-bed.
Background technology
At present pure electric automobile power assembly is mainly debugged on car load, but receives the restriction in car load space, for break down with problem after; Inspection fault and replacing parts difficulty; Workload is big, and the open-air debugging of car load simultaneously receives road, weather effect, and the test period is long; Vehicle is unstable, has potential safety hazard.
At present; Basically do not have the stand that effectively to examine the performance of pure electric power assembly, when the separate unit electric dynamometer carries out the pure electric power assembly test, can only measure 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.
Summary of the invention
For solving the problems of the technologies described above, the invention discloses a kind of test bed for pure electric vehicle power assembly, to reach the purpose that pure electric automobile power assembly each item performance is tested.
The present invention adopts following technical scheme:
A kind of test bed for pure electric vehicle power assembly comprises: electric dynamometer, transmission shaft, torque sensor, joint flange, pure electric power assembly, electric machine controller, direct supply, electric parameter tester, DC voltage and current sensor, alternating voltage and current sensor and cooling system.
Wherein, Pure electric power assembly is fixed on the support body of test-bed; The variator of pure electric power assembly links to each other with transmission shaft, the two ends of transmission shaft link to each other with a joint flange respectively, and connects electric dynamometer respectively through joint flange, and on transmission shaft the mounting torque sensor; Electric machine controller links to each other with the pure electric power assembly motor through the ac power line; Direct supply links to each other with electric machine controller through the DC dynamo line, and electric machine controller is supplied power; DC voltage and current sensor link to each other with DC dynamo line near the electric machine controller end; Alternating voltage and current sensor link to each other with ac power line near the pure electric power assembly motor side; DC voltage and current sensor link to each other with electric parameter tester with alternating voltage, current sensor.The motor of cooling system and pure electric power assembly, electric machine controller constitute cooling circuit through water pipe.
This test-bed can carry out the moment of resistance through two electric dynamometers and load and the car load inertia simulation; Thereby road resistance situation that is virtually reality like reality; Realize each item examination functional verification test of pure electric power assembly under road condition, comprise start-up function, electric power generation and electric functions test, battery management system function test, control strategy checking optimization Test etc.Also can carry out each item performance test of pure electric automobile power assembly through this testing table, comprise external characteristics, motor and the variator matching performance of pure electric automobile power assembly, the whole transmission efficiency of power assembly etc.After the loading of road resistance pattern, can carry out the various tests under the road condition pattern, comprise car load max. speed, acceleration, grade climbing performance, continual mileage etc.Therefore, this test-bed can provide essential data support for pure electronic car load, and foundation is provided for the research and development of next step car load.
Description of drawings
Fig. 1 is the layout synoptic diagram of test bed for pure electric vehicle power assembly;
Among the figure: 1-electric machine controller, 2-electric parameter tester, 3-direct supply, 4-DC voltage and current sensor; 5-DC dynamo line, 6-alternating voltage and current sensor, 7-ac power line; The 8-cooling system, 9-electric dynamometer, 10-torque sensor; The 11-joint flange, 12-transmission shaft, 13-pure electric power assembly.
Embodiment
Below in conjunction with Figure of description the present invention is described further.
As shown in Figure 1; This test bed for pure electric vehicle power assembly comprises electric dynamometer 9, transmission shaft 12, torque sensor 10, joint flange 11, pure electric power assembly 13, electric machine controller 1, direct supply 3 (during test motor is supplied power, can adopt battery or battery simulator according to different contents of the test), electric parameter tester 2, DC voltage and current sensor 4, alternating voltage and current sensor 6, cooling system 8.Wherein pure electric power assembly 13 is fixed on the support body of test-bed; The variator of pure electric power assembly 13 links to each other with transmission shaft 12; The two ends of transmission shaft 12 are joint flange 11 respectively; And link to each other with an electric dynamometer 9 respectively through joint flange 11, at transmission shaft 12 two ends torque sensor 10 is installed all.Electric machine controller 1 links to each other with the motor of pure electric power assembly 13 through ac power line 7; Direct supply 3 links to each other with electric machine controller 1 through DC dynamo line 5, and electric machine controller 1 is supplied power.DC voltage and current sensor 4 link to each other with the end of DC dynamo line 5 near electric machine controller 1; Alternating voltage and current sensor 8 link to each other near pure electric power assembly 13 motors one end with ac power line 7.DC voltage and current sensor 4 link to each other with electric parameter tester 2 with alternating voltage and current sensor 6; Cooling system 8 constitutes cooling circuit, the direction that the direction indication chilled water among Fig. 1 shown in the arrow circulates with motor, the electric machine controller 1 of pure electric power assembly 13 through water pipe.
The power of the power assembly of electric automobile kinematic train in this test-bed passes to variator by motor and passes to electric dynamometer through main reducing gear, differential mechanism, transmission shaft; Replace wheel by electric dynamometer; Carry out loading moment and car load inertia simulation through electric dynamometer, real simulated actual road conditions road resistance.
After test-bed is put up; Export with constant voltage through the control direct supply; The control of the host computer interface C that uses a computer AN communication program is by measured motor and controller thereof; And, make its running, data such as the temperature of record motor and electric machine controller, AC and DC electric current, voltage, output speed, output torque through controlling the control model of electric dynamometer.
Claims (2)
1. a test bed for pure electric vehicle power assembly comprises: electric dynamometer (9), transmission shaft (12), torque sensor (10), joint flange (11), pure electric power assembly (13), electric machine controller (1), direct supply (3), electric parameter tester (2), DC voltage and current sensor (4) and alternating voltage and current sensor (8);
It is characterized in that: said pure electric power assembly (13) is fixed on the support body of test-bed; The variator of pure electric power assembly (13) links to each other with transmission shaft (12); Transmission shaft (12) two ends connect a joint flange (11) respectively; And connect electric dynamometer (9) respectively, and go up mounting torque sensor (10) at transmission shaft (12) through joint flange (11);
Said electric machine controller (1) links to each other with the motor of pure electric power assembly (13) through ac power line (7);
Said direct supply (3) links to each other with electric machine controller (1) through DC dynamo line (5), and electric machine controller (1) is supplied power;
Said DC voltage and current sensor (4) link to each other with the end of DC dynamo line (5) near electric machine controller (1), and alternating voltage and current sensor (6) link to each other with the end of ac power line (7) near pure electric power assembly (13) motor; Said DC voltage and current sensor (4) link to each other with electric parameter tester (2) through signal wire again with alternating voltage and current sensor (6).
2. test bed for pure electric vehicle power assembly according to claim 1; It is characterized in that: also be provided with cooling system (8) on the said test-bed, said cooling system (8) constitutes cooling circuit with motor, the electric machine controller (1) of pure electric power assembly (13) through water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102891318A CN101923006B (en) | 2010-09-24 | 2010-09-24 | Test bed for pure electric vehicle power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102891318A CN101923006B (en) | 2010-09-24 | 2010-09-24 | Test bed for pure electric vehicle power assembly |
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| Publication Number | Publication Date |
|---|---|
| CN101923006A CN101923006A (en) | 2010-12-22 |
| CN101923006B true CN101923006B (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102891318A Active CN101923006B (en) | 2010-09-24 | 2010-09-24 | Test bed for pure electric vehicle power assembly |
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| CN102788701B (en) * | 2011-05-20 | 2015-08-19 | 上海汽车集团股份有限公司 | Open servo vibration power-measuring system and realize vehicle power or Paving Test Methods |
| CN102252856A (en) * | 2011-07-01 | 2011-11-23 | 深圳市航盛电子股份有限公司 | System for testing electric automobile power system assembly |
| CN102435300A (en) * | 2011-09-07 | 2012-05-02 | 上海中科深江电动车辆有限公司 | Powertrain noise detection rack system for electric vehicle |
| CN102494885A (en) * | 2011-11-11 | 2012-06-13 | 上海中科深江电动车辆有限公司 | Testing device of a pure electric vehicle power transmission system assembly |
| CN102507215A (en) * | 2011-11-28 | 2012-06-20 | 合肥瑞吉安新能源汽车科技有限公司 | Test bench for electric vehicle drive assembly |
| DE102015102848A1 (en) * | 2015-02-27 | 2016-09-01 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Test bench for an electrical machine of a motor vehicle |
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| CN108106860A (en) * | 2018-02-11 | 2018-06-01 | 智车优行科技（上海）有限公司 | Power assembly test bench |
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| CN201965024U (en) * | 2010-09-24 | 2011-09-07 | 重庆长安汽车股份有限公司 | Test bed for power assembly of pure electric vehicle |
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Application publication date: 20101222 Assignee: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Assignor: Chongqing Changan Automobile Co.,Ltd.|CHONGQING CHANG'AN NEW ENERGY AUTOMOBILE Co.,Ltd. Contract record no.: 2018500000018 Denomination of invention: Test bed for pure electric vehicle power assembly Granted publication date: 20120222 License type: Exclusive License Record date: 20181121 |
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Effective date of registration: 20181227 Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee before: CHONGQING CHANG'AN NEW ENERGY AUTOMOBILE Co.,Ltd. Patentee before: Chongqing Changan Automobile Co.,Ltd. |
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Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |