CN102937699A - Test system for high-frequency torque ripples of distributed driving wheel hub motor - Google Patents
Test system for high-frequency torque ripples of distributed driving wheel hub motor Download PDFInfo
- Publication number
- CN102937699A CN102937699A CN2011104407687A CN201110440768A CN102937699A CN 102937699 A CN102937699 A CN 102937699A CN 2011104407687 A CN2011104407687 A CN 2011104407687A CN 201110440768 A CN201110440768 A CN 201110440768A CN 102937699 A CN102937699 A CN 102937699A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- hub motor
- eddy current
- current dynamometer
- torque sensor
- 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
Abstract
The invention relates to a test system for high-frequency torque ripples of a distributed driving wheel hub motor. The test system comprises a torque sensor, an eddy current dynamometer, a dynamometer controller and a cooling unit, wherein the torque sensor is connected with a rotor of a wheel hub motor to be measured and used for measuring high-frequency torque of the wheel hub motor; the eddy current dynamometer is connected with the torque sensor and provides loads for the wheel hub motor to be measured through the torque sensor to simulate actual working conditions; the dynamometer controller is connected with the eddy current dynamometer and used for adjusting the torque of the eddy current dynamometer; and the cooling unit is connected with the eddy current dynamometer and used for cooling the eddy current dynamometer. Compared with the prior art, the test system can simulate actual working conditions of an outer rotor wheel hub motor and obtain accurate frequency signals of high-frequency torque ripples, and the cost is low.
Description
Technical field
The present invention relates to a kind of Motor Measuring System, especially relate to a kind of real work situation that can simulate outer rotor hub motor, and obtain the test macro of high frequency torque ripple frequency signal comparatively accurately.
Background technology
The primary structure feature of distributed-driving electric automobile is be directly installed in driving wheel by drive motor or, near driving wheel, have the outstanding advantages such as the driving-chain of driving is short, transmission efficient, compact conformation, for vehicle structure, changes and has built great space.Outer rotor surface-mount type permagnetic synchronous motor power density is large, drive efficiency is high, is one of main Types of distributed driving use motor.The actual road test of distributed-driving electric automobile shows: 6 rank torque ripples of wheel hub motor are the main vibration sources of electric automobile inner structure vibration and noise.
Distributed-driving electric automobile adopts outer rotor surface-mount type permagnetic synchronous motor as hub driven motor more, and it has following characteristics:
1) there is the high frequency torque ripple, 6k frequency multiplication (k=1,2,3 that frequency content is power frequency ...).And the wheel hub motor rotating speed is higher, number of pole-pairs more (number of pole-pairs p>=20 usually) usually generally, causes this torque ripple frequency content higher, the test difficulty.
2) wheel hub motor is flat, outer-rotor structure, and because outer rotor directly is connected with tire, moment of inertia is larger, connects torsion-testing equipment and has very large problem.
Also do not have at present document to announce wheel hub motor high frequency torque ripple test macro for distributed driving, test accurately the fluctuation of wheel hub motor torque and have difficulties.Now, for the wheel hub motor torque measurement, can measure by six component instrument of orthodox car, but six component instrument exist expensive, shortcomings such as sample frequency is not high, zero point drift.
Summary of the invention
Purpose of the present invention is exactly to provide wheel hub motor high frequency torque ripple test macro for a kind of distributed driving in order to overcome the defect that above-mentioned prior art exists, this test macro can be simulated outer rotor hub motor real work situation, and obtains torque ripple frequency signal comparatively accurately.
Purpose of the present invention can be achieved through the following technical solutions:
Wheel hub motor high frequency torque ripple test macro for a kind of distributed driving comprises:
Torque sensor, be connected with the rotor of tested wheel hub motor, for detection of the torque of wheel hub motor;
Electric eddy current dynamometer, be connected with torque sensor, via torque sensor, to tested wheel hub motor, provides load, simulates actual operating mode;
The Dynamometer Control device, be connected with electric eddy current dynamometer, for regulating the rotating speed of electric eddy current dynamometer;
Cooling device, be connected with electric eddy current dynamometer, for the cooling electric eddy current dynamometer.
Described torque sensor connects the rotor of tested wheel hub motor by ring flange, described electric eddy current dynamometer connects torque sensor by shaft coupling.
The rotor of described ring flange and tested wheel hub motor is bolted, and ring flange is provided with a sliding bearing for mounting flange outward.
This test macro also comprises installing plate, and described torque sensor, electric eddy current dynamometer, tested wheel hub motor and ring flange all are fixed on installing plate by support.
Right alignment between the central shaft of the central shaft of described electric eddy current dynamometer, the central shaft of torque sensor and tested wheel hub motor is less than 0.02mm.
Described cooling device is cooling water tank, and this cooling water tank connects electric eddy current dynamometer by water pipe.
The frequency acquisition of described torque sensor is 3000Hz or more than 3000Hz.
Compared with prior art, the present invention can pass through support stationary hub motor, and rotor is rotated under the drive of electric eddy current dynamometer, simulation wheel hub motor real work situation, obtain the frequency signal of comparatively realistic torque ripple, and the present invention is lower with respect to six component instrument costs.
The accompanying drawing explanation
The structural representation that Fig. 1 is the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, wheel hub motor high frequency torque ripple test macro for a kind of distributed driving, comprise torque sensor 5, electric eddy current dynamometer 7, Dynamometer Control device 17, cooling water tank 9, shaft coupling 6, ring flange 3, sliding bearing 4, a plurality of support and the installing plate 10 for test component is set.The stator 1 of tested wheel hub motor is fixed on installing plate 10 by stator support 14, and the rotor 2 of tested wheel hub motor connects an end of torque sensor 5 by ring flange 3, between ring flange 3 and rotor 2, by 4 bolts, fix, and makes its tight connection.Ring flange 3 is arranged in sliding bearing 4, and sliding bearing 4 is fixed on installing plate 10 by ring flange support 13.The other end of torque sensor 5 connects the rotating shaft of electric eddy current dynamometer 7 by shaft coupling 6, torque sensor 5 and electric eddy current dynamometer 7 are fixed in mounting disc by torque sensor support 11 and electric eddy current dynamometer 12 respectively.Be provided with liquid coolant in cooling water tank 9, be communicated with electric eddy current dynamometer 7 by water pipe 8, and adopt the mode cooling electric eddy current dynamometer 7 of water-cooled.Dynamometer Control device 17 and electric machine controller 15 also are fixed on installing plate by controller support 16, connect respectively electric eddy current dynamometer 7 and tested wheel hub motor, are same as the adjusting of it being carried out to rotating speed.
During installation, guarantee that by each support the right alignment between the central shaft of the central shaft of central shaft, torque sensor 5 of electric eddy current dynamometer 7 and tested wheel hub motor 4 is less than 0.02mm.When carrying out the motor torque wave testing, regulate respectively the rotor 2 of tested wheel hub motor and the rotating speed of electric eddy current dynamometer 7 is simulated the wheel hub motor actual condition by electric machine controller 15 and Dynamometer Control device 17, and record torque ripple value measured under each operating mode by torque sensor 5, its sample frequency is 3000Hz or more than 3000Hz, can realize the measurement of distributed driving with the high frequency torque ripple of wheel hub motor.
Claims (7)
1. a wheel hub motor high frequency torque ripple test macro for distributed driving, is characterized in that, comprising:
Torque sensor, be connected with the rotor of tested wheel hub motor, for detection of the torque of wheel hub motor;
Electric eddy current dynamometer, be connected with torque sensor, via torque sensor, to tested wheel hub motor, provides load, simulates actual operating mode;
The Dynamometer Control device, be connected with electric eddy current dynamometer, for regulating the torque of electric eddy current dynamometer;
Cooling device, be connected with electric eddy current dynamometer, for the cooling electric eddy current dynamometer.
2. wheel hub motor high frequency torque ripple test macro for a kind of distributed driving according to claim 1, it is characterized in that, described torque sensor connects the rotor of tested wheel hub motor by ring flange, described electric eddy current dynamometer connects torque sensor by shaft coupling.
3. wheel hub motor high frequency torque ripple test macro for a kind of distributed driving according to claim 2, it is characterized in that, the rotor of described ring flange and tested wheel hub motor is bolted, and ring flange is provided with a sliding bearing for mounting flange outward.
4. wheel hub motor high frequency torque ripple test macro for a kind of distributed driving according to claim 2, it is characterized in that, this test macro also comprises installing plate, and described torque sensor, electric eddy current dynamometer, tested wheel hub motor and sliding bearing all are fixed on installing plate by support.
5. wheel hub motor high frequency torque ripple test macro for a kind of distributed driving according to claim 1, it is characterized in that, the right alignment between the central shaft of the central shaft of electric eddy current dynamometer, the central shaft of torque sensor and tested wheel hub motor is less than 0.02mm.
6. wheel hub motor high frequency torque ripple test macro for a kind of distributed driving according to claim 1, is characterized in that, described cooling device is cooling water tank, and this cooling water tank connects electric eddy current dynamometer by water pipe.
7. wheel hub motor high frequency torque ripple test macro for a kind of distributed driving according to claim 1, is characterized in that, the frequency acquisition of described torque sensor is 3000Hz or more than 3000Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110440768.7A CN102937699B (en) | 2011-12-23 | 2011-12-23 | Test system for high-frequency torque ripples of distributed driving wheel hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110440768.7A CN102937699B (en) | 2011-12-23 | 2011-12-23 | Test system for high-frequency torque ripples of distributed driving wheel hub motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102937699A true CN102937699A (en) | 2013-02-20 |
| CN102937699B CN102937699B (en) | 2015-06-03 |
Family
ID=47696609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110440768.7A Expired - Fee Related CN102937699B (en) | 2011-12-23 | 2011-12-23 | Test system for high-frequency torque ripples of distributed driving wheel hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102937699B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149480A (en) * | 2013-02-22 | 2013-06-12 | 同济大学 | Load simulating device for electromagnetic compatibility testing of high-power motor |
| CN103499409A (en) * | 2013-08-27 | 2014-01-08 | 广州飞机维修工程有限公司 | Torque test system of analogue simulation of VBV fuel oil driving motor of civil aircraft |
| CN106842029A (en) * | 2017-04-10 | 2017-06-13 | 天津中科先进技术研究院有限公司 | New energy automobile battery motor electric control test detection device |
| CN108279380A (en) * | 2018-02-13 | 2018-07-13 | 广州视源电子科技股份有限公司 | System and method for simulating working conditions of motor |
| CN109061472A (en) * | 2018-07-16 | 2018-12-21 | 威海广泰空港设备股份有限公司 | More external rotor permanent magnet hub motor comprehensive test platforms |
| CN110542859A (en) * | 2019-10-25 | 2019-12-06 | 四川诚邦浩然测控技术有限公司 | New forms of energy motor power observes and controls rack |
| CN110720032A (en) * | 2017-05-16 | 2020-01-21 | 罗托特斯特国际公司 | Method and system for dynamometer testing of motor vehicles |
| EP3190397B1 (en) * | 2014-09-03 | 2020-02-12 | Horiba, Ltd.g | Electric motor test system |
| CN111380635A (en) * | 2019-11-07 | 2020-07-07 | 北京理工大学 | Motor torque ripple test bench and test method |
| CN111610444A (en) * | 2020-06-10 | 2020-09-01 | 成都科锐志科技有限公司 | Performance attenuation simulation test equipment for hub motor |
| CN112129552A (en) * | 2020-08-31 | 2020-12-25 | 同济大学 | Double-active suspension test bed |
| CN116736107A (en) * | 2023-05-08 | 2023-09-12 | 盐城工学院 | Electric automobile torque pulsation test method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5420523A (en) * | 1992-12-04 | 1995-05-30 | Reliance Industrial Company | Apparatus and method for measuring performance parameters of electric motors |
| CN101408588A (en) * | 2008-11-26 | 2009-04-15 | 北京理工大学 | Automatic test system of electric automobile motor drive system performance |
| CN101650410A (en) * | 2009-06-30 | 2010-02-17 | 奇瑞汽车股份有限公司 | Test stand system of electric automobile driving motor |
| CN201417288Y (en) * | 2009-06-01 | 2010-03-03 | 无锡市卡迪诺风电科技有限公司 | Power test device of small outer-rotor generator |
| CN101975924A (en) * | 2010-08-30 | 2011-02-16 | 苏州博实机器人技术有限公司 | Novel motor test platform |
| CN201965024U (en) * | 2010-09-24 | 2011-09-07 | 重庆长安汽车股份有限公司 | Pure electric vehicle power assembly test bench |
-
2011
- 2011-12-23 CN CN201110440768.7A patent/CN102937699B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5420523A (en) * | 1992-12-04 | 1995-05-30 | Reliance Industrial Company | Apparatus and method for measuring performance parameters of electric motors |
| CN101408588A (en) * | 2008-11-26 | 2009-04-15 | 北京理工大学 | Automatic test system of electric automobile motor drive system performance |
| CN201417288Y (en) * | 2009-06-01 | 2010-03-03 | 无锡市卡迪诺风电科技有限公司 | Power test device of small outer-rotor generator |
| CN101650410A (en) * | 2009-06-30 | 2010-02-17 | 奇瑞汽车股份有限公司 | Test stand system of electric automobile driving motor |
| CN101975924A (en) * | 2010-08-30 | 2011-02-16 | 苏州博实机器人技术有限公司 | Novel motor test platform |
| CN201965024U (en) * | 2010-09-24 | 2011-09-07 | 重庆长安汽车股份有限公司 | Pure electric vehicle power assembly test bench |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149480A (en) * | 2013-02-22 | 2013-06-12 | 同济大学 | Load simulating device for electromagnetic compatibility testing of high-power motor |
| CN103149480B (en) * | 2013-02-22 | 2015-06-24 | 同济大学 | Load simulating device for electromagnetic compatibility testing of high-power motor |
| CN103499409A (en) * | 2013-08-27 | 2014-01-08 | 广州飞机维修工程有限公司 | Torque test system of analogue simulation of VBV fuel oil driving motor of civil aircraft |
| CN103499409B (en) * | 2013-08-27 | 2016-04-06 | 广州飞机维修工程有限公司 | A kind of Torque Measuring System of civil aircraft VBV fuel oil CD-ROM drive motor analogue simulation |
| EP3190397B1 (en) * | 2014-09-03 | 2020-02-12 | Horiba, Ltd.g | Electric motor test system |
| CN106842029A (en) * | 2017-04-10 | 2017-06-13 | 天津中科先进技术研究院有限公司 | New energy automobile battery motor electric control test detection device |
| CN110720032A (en) * | 2017-05-16 | 2020-01-21 | 罗托特斯特国际公司 | Method and system for dynamometer testing of motor vehicles |
| CN108279380A (en) * | 2018-02-13 | 2018-07-13 | 广州视源电子科技股份有限公司 | System and method for simulating working conditions of motor |
| CN108279380B (en) * | 2018-02-13 | 2020-12-22 | 广州视源电子科技股份有限公司 | System and method for simulating working conditions of motor |
| CN109061472A (en) * | 2018-07-16 | 2018-12-21 | 威海广泰空港设备股份有限公司 | More external rotor permanent magnet hub motor comprehensive test platforms |
| CN109061472B (en) * | 2018-07-16 | 2023-12-12 | 威海广泰空港设备股份有限公司 | Comprehensive test platform for multiple outer rotor permanent magnet hub motors |
| CN110542859A (en) * | 2019-10-25 | 2019-12-06 | 四川诚邦浩然测控技术有限公司 | New forms of energy motor power observes and controls rack |
| CN111380635A (en) * | 2019-11-07 | 2020-07-07 | 北京理工大学 | Motor torque ripple test bench and test method |
| CN111610444A (en) * | 2020-06-10 | 2020-09-01 | 成都科锐志科技有限公司 | Performance attenuation simulation test equipment for hub motor |
| CN112129552A (en) * | 2020-08-31 | 2020-12-25 | 同济大学 | Double-active suspension test bed |
| CN116736107A (en) * | 2023-05-08 | 2023-09-12 | 盐城工学院 | Electric automobile torque pulsation test method |
| CN116736107B (en) * | 2023-05-08 | 2024-03-19 | 盐城工学院 | Electric automobile torque pulsation test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102937699B (en) | 2015-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102937699B (en) | Test system for high-frequency torque ripples of distributed driving wheel hub motor | |
| CN101650410B (en) | Test stand system of electric automobile driving motor | |
| CN111380635B (en) | Motor torque ripple test bench and test method | |
| CN205262736U (en) | Multistage planetary gear case combined test platform | |
| CN203719917U (en) | Extended-range hybrid power test system | |
| CN110501170A (en) | A kind of outer rotor chassis dynamometer that permanent magnet synchronous motor directly drives | |
| CN202974668U (en) | Automobile endurance drum dynamometer | |
| CN110793690B (en) | Method for testing motor efficiency on hybrid power assembly rack | |
| CN108663148B (en) | Chassis dynamometer driven by permanent magnet synchronous motor | |
| CN210465632U (en) | Multi-working-condition simulation test device based on multi-shaft input type double-rotor motor | |
| CN205941010U (en) | New energy automobile power assembly testboard | |
| CN206440803U (en) | A kind of Portable electric automobile permagnetic synchronous motor device for detecting performance | |
| CN108663149B (en) | Inner rotor chassis dynamometer directly driven by permanent magnet synchronous motor | |
| CN202994993U (en) | Single-wheel drive mode test system and drive comprehensive performance test apparatus formed by the same | |
| CN210322325U (en) | Electronic parking system test device for reduction gearbox | |
| CN205538211U (en) | Forerunner automobile machinery gearbox transmission error test bench | |
| CN208568127U (en) | The chassis dynamometer of permanent magnet synchronous motor driving | |
| CN201828367U (en) | Automotive chassis dynamometer | |
| CN202188931U (en) | On-line monitoring system of ship shaft power | |
| CN103105227A (en) | Electric motor noise testing system for electric automobile drive | |
| CN103630278B (en) | A kind of current vortex retarder torque measuring method | |
| CN104677648A (en) | Method and system for controlling road simulation test of driving axle | |
| CN109238689A (en) | Torsion and vibration of rotor vibration excitor | |
| CN209820769U (en) | New forms of energy pure electric automobile electric drive assembly detection device | |
| CN103398845A (en) | Durability experiment device |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20201223 |