CN102707715A - Device for testing motor controller of electric vehicle - Google Patents
Device for testing motor controller of electric vehicle Download PDFInfo
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- CN102707715A CN102707715A CN2012102003077A CN201210200307A CN102707715A CN 102707715 A CN102707715 A CN 102707715A CN 2012102003077 A CN2012102003077 A CN 2012102003077A CN 201210200307 A CN201210200307 A CN 201210200307A CN 102707715 A CN102707715 A CN 102707715A
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Abstract
The invention discloses a device for testing a motor controller of an electric vehicle. The device comprises an industrial control computer, a rack, a driving motor fixed on the rack and a driving motor controller electrically connected with the driving motor, and is characterized by also comprising a load motor fixed on the rack, a load motor controller electrically connected with the load motor and a torque sensor which is arranged between the driving motor and the load motor and respectively connected with transmission shafts of the driving motor and the load motor through a first coupler and a second coupler, wherein the torque sensor is electrically connected with the industrial control computer through a data acquisition device; the load motor controller is directly and electrically connected with the industrial control computer; and the driving motor controller is also electrically connected with an electronic load for simulating a charging function of a battery. The device can completely simulate a real running environment of the motor controller of the electric vehicle, and a step of recycling braking energy is included; high-precision control over load torques of the motors can be accurately realized; and test signals are complete.
Description
Technical field
the invention belongs to electric vehicle electric machine controller technical field of measurement and test, are specifically related to a kind of electric vehicle electric machine controller proving installation.
Background technology
along with energy starved is serious day by day, the exploitation of electric vehicle and use are more and more general.As the electric machine controller of electric vehicle core component, its reliability is most important for the safety of electric vehicle, and therefore carrying out complete design verification to such electric machine controller product is an important link in the product development.The design verification stand that before uses generally uses electric eddy current dynamometer, magnetic powder brake to load; But these chargers all are passive devices; It can't analog electrical motor vehicle descending or this link of energy feedback when motor uses as generator during braking, thereby the accuracy problem controlled of the time of day of simulating vehicle operation fully and solution load torque.
Summary of the invention
the present invention seeks to: a kind of electric vehicle electric machine controller proving installation is provided; This device can be complete the real running environment of analog electrical motor vehicle electric machine controller; Comprise the link that braking energy reclaims again; And can realize the High Accuracy Control of motor load moment of torsion accurately, test signal is complete.
technical scheme of the present invention is: a kind of electric vehicle electric machine controller proving installation; The drive motor controller that comprises industrial computer, stand, is fixed in the drive motor on the stand and is electrically connected with drive motor; The load motor controller that it is characterized in that also comprising the load motor that is fixed on the stand, is electrically connected with load motor and be located at drive motor and load motor between and the torque sensor that links to each other with the transmission shaft of drive motor and load motor respectively by first, second shaft coupling; This torque sensor is electrically connected with industrial computer through a data collector; Said load motor controller directly is electrically connected with industrial computer, and said drive motor controller also is electrically connected with the electronic load of a simulated battery charge function.
this proving installation provided by the invention uses a load motor that the drive motor of electric vehicle is loaded; Like this can be when drive motor operates in generating state; Running status simulation (simulation of energy feedback link when also drive motor operates in generating state) when realizing vehicles go down or car brakeing through load motor towing astern drive motor; The electric weight that produces consumes through being incorporated into an electronic load; Thereby the characteristics of simulated battery charging, the real running environment of simulating vehicle to greatest extent.The present invention simultaneously also assembles the control system of torque sensor and load motor controller formation closed loop, accurately control loaded process.The problem that apparatus of the present invention have solved before this simulating vehicle running status fully and accurately carried out load torque control is for product design checking completeness provides total solution.
are further, and the present invention also comprises speed reduction unit, and the transmission shaft of said load motor links to each other with second shaft coupling through speed reduction unit.The effect of said speed reduction unit is the output torque that increases load motor.
are further, and the present invention comprises that also being installed in drive motor controller is connected the current sensor on the lead with drive motor, and said current sensor is electrically connected with industrial computer through said data collector.Can collect drive motor change in current curve in real time through current sensor, make the more complete of test signal collection.
are further, the preferred conventional NI integrated circuit board of data collector described in the present invention.
are further, and electronic load described in the present invention is the electronic load of clamper function with voltage.Because when drive motor operates in the following time of electrification feedback pattern that braking energy reclaims again; The braking energy following electricity that produces of recovering state again need feed back to battery or electrical network; Therefore need carry out voltage range setting (even also it possesses the voltage clamp function with the voltage qualification within the specific limits) to electronic load, make its operating position meet real drive motor controller running environment fully.
Advantage of the present invention is:
1. the present invention has covered drive motor and controller complete operation method of testing under the driving and the two kinds of patterns of generating electricity thereof; Promptly not only can realize loading to drive motor through load motor; Also can oppositely drag the simulation that realizes that braking energy reclaims again, thereby embody the integrality of product testing checking through load motor;
2. the present invention is owing to further installed current sensor, torque sensor; Can collect the information such as electric current and moment of torsion loading of tested drive motor and load motor in real time; And, realize for speed and control of position through reading the running state information such as speed, position of drive motor and load motor in real time with communicating by letter of load motor controller; Combine the moment of torsion detection signal simultaneously, apparatus of the present invention also can realize the control of closed loop moment of torsion;
compact conformation 3. of the present invention, stable, control is accurate, and the signal testing precision is high.
scope of application of the present invention: the present invention can be used for the long duration test and the functional performance test of Electric Machine Control series products, can be used for the long duration test and the electric motors function performance test of all kinds motor itself; Its notion can extend to the performance and the long duration test of miniature, small-sized, medium-sized and large-size machine and controller thereof.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a baseband signal flow diagram of the present invention.
wherein: 1, stand; 2, drive motor; 3, drive motor controller; 4, first shaft coupling; 5, second shaft coupling; 6, torque sensor; 7, speed reduction unit; 8, load motor; 9, load motor controller; 10, electronic load; 11, current sensor.
Embodiment
embodiment: combining shown in Figure 1 is a kind of embodiment of this electric vehicle electric machine controller proving installation provided by the invention, and it mainly is made up of stand 1, drive motor 2, drive motor controller 3, first shaft coupling 4, second shaft coupling 5, torque sensor 6, speed reduction unit 7, load motor 8, load motor controller 9, electronic load 10, current sensor 11 and data collector and industrial computer.
are as shown in Figure 1, and stand described in the present invention 1 is a routine techniques, are provided for the tool of fixed drive motor 2, load motor 8, first shaft coupling 4, second shaft coupling 5, torque sensor 6 and speed reduction unit 7 on it.Said drive motor 2 is connected through lead with drive motor controller 3 (also being tested electric machine controller), and said drive motor controller 3 is connected through lead with a simulated battery charge function and the electronic load 10 that has a voltage clamp function simultaneously; 8 of said load motors and load motor controller 9 link to each other through lead.Said torque sensor 6 is between drive motor 2 and load motor 8; The left side of this torque sensor 6 also links to each other with the transmission shaft of drive motor 2 by first shaft coupling 4, and the right side then links to each other through the transmission shaft of speed reduction unit 7 with load motor 8 by second shaft coupling 5.Current sensor described in the present embodiment 11 is installed in being connected on the lead of drive motor controller 3 and drive motor 2; Concrete combination is shown in Figure 2; Said torque sensor 6 all is electrically connected with industrial computer through data collector with current sensor 11; And said load motor controller 9 directly is electrically connected with industrial computer, and the data collector described in the present embodiment is conventional NI integrated circuit board.
course of work of the present invention and principle are following: 1) under the normal load pattern of drive motor 2; At first under the predetermined input control of drive motor controller 3, improve constantly the velocity of rotation of drive motor 2 and load motor 8; And making the speed of the two synchronous gradually, the input of torque sensor 6 is near position 0 at this moment.Constantly reduce the speed of load motor 8 then through the control of load motor controller 9, thereby load for gradually drive motor 2, reach up to drive current till the current curve of setting.2) at braking energy again under the take-back model; Drive motor 2 is in power generation mode; This moment, load motor 8 dragged drive motor 2 entrys into service through speed reduction unit 7; Whole device is in the energy regenerating condition, because this energy needs to reclaim after drive motor controller 3, therefore uses electronic load 10 to carry out the recovery and the consumption of energy.Because the electricity that generally under the energy recovery situation, produces need feed back to battery or electrical network, therefore need carry out the voltage range setting to electronic load 10, make its operating position meet the running environment of real drive motor controller 3 fully.Can collect drive motor 2 change in current curves in real time through current sensor 11; Can see the change curve of whole device moment of torsion in loading and power generation mode through torque sensor 6; Can monitor the rotary speed information of whole device through the running status that reads load motor controller 9, concrete signal flow is as shown in Figure 2.
Advantage of the present invention is:
1. the present invention has covered drive motor 2 and controller complete operation method of testing under the driving and the two kinds of patterns of generating electricity thereof; Promptly not only can realize loading to drive motor 2 through load motor 8; Also can oppositely drag the simulation that realizes that braking energy reclaims again, thereby embody the integrality of product testing checking through load motor 8;
2. the present invention owing to further current sensor 11, torque sensor 6 be installed; Can collect the information such as electric current and moment of torsion loading of tested drive motor 2 and load motor 8 in real time; And, realize for speed and control of position through reading the running state information such as speed, position of drive motor 2 and load motor 8 in real time with communicating by letter of load motor controller 9; Combine the moment of torsion detection signal simultaneously, apparatus of the present invention also can realize the control of closed loop moment of torsion.
compact conformation 3. of the present invention, stable, control is accurate, and the signal testing precision is high.
scope of application of the present invention: the present invention can be used for the long duration test and the functional performance test of Electric Machine Control series products, can be used for the long duration test and the electric motors function performance test of all kinds motor itself; Its notion can extend to the performance and the long duration test of miniature, small-sized, medium-sized and large-size machine and controller thereof.
the foregoing description certainly only are explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.The all spirit of main technical schemes is done according to the present invention equivalent transformation or modification all should be encompassed within protection scope of the present invention.
Claims (5)
1. electric vehicle electric machine controller proving installation; The drive motor controller (3) that comprises industrial computer, stand (1), is fixed in the drive motor (2) on the stand (1) and is electrically connected with drive motor (2); The load motor controller (9) that it is characterized in that also comprising the load motor (8) that is fixed on the stand (1), is electrically connected with load motor (8) and be located at drive motor (2) and load motor (8) between and the torque sensor (6) that links to each other with the transmission shaft of drive motor (2) and load motor (8) respectively by first, second shaft coupling (4,5); This torque sensor (6) is electrically connected with industrial computer through a data collector; Said load motor controller (9) directly is electrically connected with industrial computer, and said drive motor controller (3) also is electrically connected with the electronic load (10) of a simulated battery charge function.
2. electric vehicle electric machine controller proving installation according to claim 1 is characterized in that also comprising speed reduction unit (7), and the transmission shaft of said load motor (8) links to each other with second shaft coupling (5) through speed reduction unit (7).
3. electric vehicle electric machine controller proving installation according to claim 1; It is characterized in that also comprising that being installed in drive motor controller (3) is connected the current sensor (11) on the lead with drive motor (2), said current sensor (11) is electrically connected with industrial computer through said data collector.
4. according to claim 1 or 3 described electric vehicle electric machine controller proving installations, it is characterized in that said data collector is the NI integrated circuit board.
5. electric vehicle electric machine controller proving installation according to claim 1 is characterized in that said electronic load (10) is the electronic load of clamper function with voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102003077A CN102707715A (en) | 2012-06-18 | 2012-06-18 | Device for testing motor controller of electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102003077A CN102707715A (en) | 2012-06-18 | 2012-06-18 | Device for testing motor controller of electric vehicle |
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| CN102707715A true CN102707715A (en) | 2012-10-03 |
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| CN2012102003077A Pending CN102707715A (en) | 2012-06-18 | 2012-06-18 | Device for testing motor controller of electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525450A (en) * | 2016-11-14 | 2017-03-22 | 山东工拓机电设备有限公司 | Testing method and apparatus for power system matching of double-shaft-drive electric vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2004085194A1 (en) * | 2003-03-25 | 2004-10-07 | Jung Hun Choi | An electric automobile |
| CN101969269A (en) * | 2010-10-26 | 2011-02-09 | 重庆全能电器有限公司 | Analog storage battery direct-current power supply |
| CN202057497U (en) * | 2011-05-11 | 2011-11-30 | 上海中科深江电动车辆有限公司 | Durability test device for pure electric vehicle power assemblies |
| CN102435946A (en) * | 2011-09-02 | 2012-05-02 | 上海中科深江电动车辆有限公司 | Off-line detection device for driving motor of electric vehicle |
| CN202694142U (en) * | 2012-06-18 | 2013-01-23 | 苏州欧拓电子科技有限公司 | Testing device for motor controller of electric vehicle |
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- 2012-06-18 CN CN2012102003077A patent/CN102707715A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004085194A1 (en) * | 2003-03-25 | 2004-10-07 | Jung Hun Choi | An electric automobile |
| CN101969269A (en) * | 2010-10-26 | 2011-02-09 | 重庆全能电器有限公司 | Analog storage battery direct-current power supply |
| CN202057497U (en) * | 2011-05-11 | 2011-11-30 | 上海中科深江电动车辆有限公司 | Durability test device for pure electric vehicle power assemblies |
| CN102435946A (en) * | 2011-09-02 | 2012-05-02 | 上海中科深江电动车辆有限公司 | Off-line detection device for driving motor of electric vehicle |
| CN202694142U (en) * | 2012-06-18 | 2013-01-23 | 苏州欧拓电子科技有限公司 | Testing device for motor controller of electric vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525450A (en) * | 2016-11-14 | 2017-03-22 | 山东工拓机电设备有限公司 | Testing method and apparatus for power system matching of double-shaft-drive electric vehicle |
| 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 |
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Application publication date: 20121003 |