CN202694142U - Testing device for motor controller of electric vehicle - Google Patents
Testing device for motor controller of electric vehicle Download PDFInfo
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- CN202694142U CN202694142U CN 201220285543 CN201220285543U CN202694142U CN 202694142 U CN202694142 U CN 202694142U CN 201220285543 CN201220285543 CN 201220285543 CN 201220285543 U CN201220285543 U CN 201220285543U CN 202694142 U CN202694142 U CN 202694142U
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- motor controller
- drive motor
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Abstract
The utility model discloses a testing device for a motor controller of an electric vehicle, which comprises an IPC (industrial personal 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 further comprising a load motor fixed on the rack, a load motor controller electrically connected with the load motor, and a torque sensor that is arranged between the driving motor and the load motor and connected with transmission shafts of the driving motor and the load motor by a first coupler and a second coupler respectively, wherein the torque sensor is electrically connected with the IPC by a data acquiring device, the load motor controller is electrically connected with the IPC directly, and the driving motor controller is electrically connected with an electronic load simulating a battery charging function. The testing device can simulate a real operating environment of the motor controller of the electric vehicle, comprises a link of recycling braking energy, and can achieve high precision control of a motor load torque accurately, and testing signals are complete.
Description
Technical field
The utility model belongs to electric vehicle electric machine controller technical field of measurement and test, is specifically related to a kind of electric vehicle testing device for motor controller.
Background technology
Along with energy starved is day by day serious, the exploitation of electric vehicle and use are more and more general.Therefore as the electric machine controller of electric vehicle core component, its reliability is most important for the safety of electric vehicle, and carrying out complete design verification for such electric machine controller product is a very important link in the product development.The design verification stand normal operation electric eddy current dynamometer, the magnetic powder brake that use load before, 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 fully simulating vehicle operation and solution load torque.
Summary of the invention
The utility model purpose is: a kind of electric vehicle testing device for motor controller 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 accurately the high precision control of motor load moment of torsion, test signal is complete.
The technical solution of the utility model is: a kind of electric vehicle testing device for motor controller, comprise industrial computer, stand, the drive motor controller that is fixed in the drive motor on the stand and is electrically connected with drive motor, characterized by further comprising the load motor that is fixed on the stand, the load motor controller that is electrically connected with load motor and be located at drive motor and load motor between and by first, the torque sensor that the second shaft coupling links to each other with the transmission shaft of drive motor and load motor respectively, this torque sensor is electrically connected with industrial computer by a data collector, described load motor controller directly is electrically connected with industrial computer, and described drive motor controller also is electrically connected with the electronic load of a simulated battery charge function.
This proving installation that the utility model provides 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 vehicle descending or car brakeing by load motor towing astern drive motor, the electric weight that produces consumes by being incorporated into an electronic load, thereby the characteristics of simulated battery charging, the to greatest extent real running environment of simulating vehicle.The utility model also assembles the control system of torque sensor and load motor controller formation closed loop, accurately controlled loading process simultaneously.The utility model device solves before this fully simulating vehicle running status and the problem of accurately carrying out load torque control, for product design checking completeness provides total solution.
Further, the utility model also comprises speed reduction unit, and the transmission shaft of described load motor links to each other with the second shaft coupling through speed reduction unit.The effect of described speed reduction unit is the output torque that increases load motor.
Further, the utility model comprises that also being installed in drive motor controller is connected current sensor on the wire with drive motor, and described current sensor is electrically connected with industrial computer through described data collector.By current sensor can Real-time Collection to the change curve of drive motor electric current, make more complete that test signal gathers.
Further, the preferred conventional NI integrated circuit board of data collector described in the utility model.
Further, electronic load described in the utility model is the electronic load of clamper function with voltage.Because when drive motor operates in the lower time of electrification feedback pattern that braking energy reclaims again, the electricity that braking energy produces under the recovering state again need to feed back to battery or electrical network, therefore need to carry out voltage range setting (even also it possesses the voltage clamping function with the voltage restriction within the specific limits) to electronic load, make its operating position meet real drive motor controller running environment fully.
The utility model has the advantages that:
1. the utility model has covered drive motor and controller complete operation method of testing under driving and the two kinds of patterns of generating electricity thereof, namely not only can realize loading to drive motor by load motor, also can oppositely drag the simulation that realizes that braking energy reclaims again by load motor, thereby embody the integrality of product testing checking;
2. the utility model is owing to further having installed current sensor, torque sensor, can Real-time Collection to information such as the electric current of tested drive motor and load motor and moment of torsion loadings, and by reading in real time the running state information such as speed, position of drive motor and load motor with communicating by letter of load motor controller, realize the control for speed and position; In conjunction with the moment of torsion detection signal, the utility model device also can be realized the control of closed loop moment of torsion simultaneously;
3. the utility model compact conformation is stable, and control is accurate, and the signal testing precision is high.
The scope of application of the present utility model: the utility model can be used for long duration test and the functional performance test of Electric Machine Control series products, can be used for long duration test and the electric motors function performance test of all kinds motor itself; Its concept can extend to 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 drawings and Examples the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is baseband signal flow diagram of the present utility model.
Wherein: 1, stand; 2, drive motor; 3, drive motor controller; 4, the first shaft coupling; 5, the 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: in conjunction with a kind of embodiment that Figure 1 shows that this electric vehicle testing device for motor controller that the utility model provides, it mainly is comprised of stand 1, drive motor 2, drive motor controller 3, the first shaft coupling 4, the 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.
As shown in Figure 1, stand described in the utility model 1 is routine techniques, is provided for the tool of fixed drive motor 2, load motor 8, the first shaft coupling 4, the second shaft coupling 5, torque sensor 6 and speed reduction unit 7 on it.Described drive motor 2 also is tested electric machine controller with drive motor controller 3() be connected by wire, described drive motor controller 3 is connected by wire with a simulated battery charge function and with the electronic load 10 of voltage clamping function simultaneously; 8 of described load motors and load motor controller 9 link to each other by wire.Described 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 the 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 the second shaft coupling 5.Current sensor described in the present embodiment 11 is installed on the connection wire that drive motor controller 3 is connected with drive motor, specifically in conjunction with shown in Figure 2, described torque sensor 6 and current sensor 11 all are electrically connected with industrial computer by data collector, and described 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.
The course of work of the present utility model and principle are as follows: 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, this moment, the input of torque sensor 6 approached position 0.Then constantly reduce the speed of load motor 8 by the control of load motor controller 9, thereby load for gradually drive motor 2, until drive current reaches 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 by speed reduction unit 7, whole device is in the energy feedback state, because this energy needs to reclaim after drive motor controller 3, therefore uses electronic load 10 to carry out recovery and the consumption of energy.Because the electricity that generally produces under the energy recovering state need to feed back to battery or electrical network, therefore need to 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.By current sensor 11 can Real-time Collection to the change curve of drive motor 2 electric currents, can see the change curve of whole device moment of torsion in loading and power generation mode by torque sensor 6, can monitor the rotary speed information of whole device by the running status that reads load motor controller 9, concrete signal stream as shown in Figure 2.
The utility model has the advantages that:
1. the utility model has covered drive motor 2 and controller complete operation method of testing under driving and the two kinds of patterns of generating electricity thereof, namely not only can realize loading to drive motor 2 by load motor 8, also can oppositely drag the simulation that realizes that braking energy reclaims again by load motor 8, thereby embody the integrality of product testing checking;
2. the utility model is owing to further having installed current sensor 11, torque sensor 6, can Real-time Collection to information such as the electric current of tested drive motor 2 and load motor 8 and moment of torsion loadings, and by reading in real time the running state information such as speed, position of drive motor 2 and load motor 8 with communicating by letter of load motor controller 9, realize the control for speed and position; In conjunction with the moment of torsion detection signal, the utility model device also can be realized the control of closed loop moment of torsion simultaneously.
3. the utility model compact conformation is stable, and control is accurate, and the signal testing precision is high.
The scope of application of the present utility model: the utility model can be used for long duration test and the functional performance test of Electric Machine Control series products, can be used for long duration test and the electric motors function performance test of all kinds motor itself; Its concept can extend to performance and the long duration test of miniature, small-sized, medium-sized and large-size machine and controller thereof.
Certainly above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the people who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of doing according to the Spirit Essence of the utility model main technical schemes all should be encompassed within the protection domain of the present utility model.
Claims (5)
1. electric vehicle testing device for motor controller, comprise industrial computer, stand (1), the drive motor controller (3) that is fixed in the drive motor (2) on the stand (1) and is electrically connected with drive motor (2), characterized by further comprising the load motor (8) that is fixed on the stand (1), the load motor controller (9) that is electrically connected with load motor (8) and be located at drive motor (2) and load motor (8) between and by first, the second shaft coupling (4,5) torque sensor (6) that links to each other with the transmission shaft of drive motor (2) and load motor (8) respectively, this torque sensor (6) is electrically connected with industrial computer by a data collector, described load motor controller (9) directly is electrically connected with industrial computer, and described drive motor controller (3) also is electrically connected with the electronic load (10) of a simulated battery charge function.
2. electric vehicle testing device for motor controller according to claim 1 characterized by further comprising speed reduction unit (7), and the transmission shaft of described load motor (8) links to each other with the second shaft coupling (5) through speed reduction unit (7).
3. electric vehicle testing device for motor controller according to claim 1, characterized by further comprising and be installed in drive motor controller (3) and be connected 2 with drive motor) connect the current sensor (11) on the wire, described current sensor (11) is electrically connected with industrial computer through described data collector.
4. according to claim 1 or 3 described electric vehicle testing device for motor controllers, it is characterized in that described data collector is the NI integrated circuit board.
5. electric vehicle testing device for motor controller according to claim 1 is characterized in that described electronic load (10) is the electronic load of clamper function with voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220285543 CN202694142U (en) | 2012-06-18 | 2012-06-18 | Testing device for motor controller of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220285543 CN202694142U (en) | 2012-06-18 | 2012-06-18 | Testing device for motor controller of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202694142U true CN202694142U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220285543 Expired - Fee Related CN202694142U (en) | 2012-06-18 | 2012-06-18 | Testing device for motor controller of electric vehicle |
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| CN (1) | CN202694142U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707715A (en) * | 2012-06-18 | 2012-10-03 | 苏州欧拓电子科技有限公司 | Device for testing motor controller of electric vehicle |
| CN103543741A (en) * | 2013-09-25 | 2014-01-29 | 浙江吉利控股集团有限公司 | Motor controller test box |
| CN104467360A (en) * | 2013-09-13 | 2015-03-25 | 天津永磁节能科技有限公司 | Permanent magnetic speed regulator with brake function |
-
2012
- 2012-06-18 CN CN 201220285543 patent/CN202694142U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707715A (en) * | 2012-06-18 | 2012-10-03 | 苏州欧拓电子科技有限公司 | Device for testing motor controller of electric vehicle |
| CN104467360A (en) * | 2013-09-13 | 2015-03-25 | 天津永磁节能科技有限公司 | Permanent magnetic speed regulator with brake function |
| CN103543741A (en) * | 2013-09-25 | 2014-01-29 | 浙江吉利控股集团有限公司 | Motor controller test box |
| CN103543741B (en) * | 2013-09-25 | 2016-08-24 | 浙江吉利控股集团有限公司 | A kind of motor controller test box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130123 Termination date: 20200618 |