CN201984109U - Eddy current dynamometric system - Google Patents
Eddy current dynamometric system Download PDFInfo
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- CN201984109U CN201984109U CN2011200380591U CN201120038059U CN201984109U CN 201984109 U CN201984109 U CN 201984109U CN 2011200380591 U CN2011200380591 U CN 2011200380591U CN 201120038059 U CN201120038059 U CN 201120038059U CN 201984109 U CN201984109 U CN 201984109U
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Abstract
The utility model provides an eddy current dynamometric system, comprises a motor to be detected, a controller of the motor to be detected and a battery simulator, and is characterized by further comprising an eddy current loader, a power analyzer, a signal conditioning controlling unit and an operational control console. The battery simulator is connected with the motor to be detected and the controller of the motor to be detected in sequence, the motor to be detected, the eddy current loader and the operational control console are connected in sequence, and the signal conditioning controlling unit is connected with the power analyzer which is in output connection with the operational control console. The eddy current dynamometric system provides a test for a new energy power driven system with a testing platform which is high in efficiency and accuracy, and solves a problem that the traditional eddy current dynamometer can not be used for testing the power driven system directly.
Description
Technical field
The utility model relates to a kind of detection system, is specifically related to a kind of current vortex power-measuring system of electric automobile.
Background technology
Country was in and carried forward vigorously the new-energy automobile development stages present stage, and the foundation of the means of testing of relevant auxiliary facilities and science practicality is the key point that promotes the new energy technology development.
The main means of the electronic performance of test electric automobile are to utilize the equipment of test traditional combustion engine to finish tests such as loading at present, utilize checkout equipments such as voltage table and reometer to carry out the Data Detection of electrical quantity, detect processing and the analysis of carrying out data after finishing again.And the test of the test of power driven system and conventional engines exists than big-difference, what traditional combustion engine mainly detected is characteristics such as rotating speed of motor and moment of torsion, parameters such as its corresponding power factor, line voltage, line current, active power directly calculating obtain, and it is poor to utilize checkout equipments such as voltage table and reometer to detect real-times, can't collect the comprehensive parameters of institute's examining system in real time and shows.What detect that power driven system more pays attention to is various electrical parameters, and the real-time that data are handled is required very high, and the processing of the electric signal of complexity is gathered and analyzed with regard to requiring to use more complicated instrumentation.And the special test equipment that there is no this more professional more reasonable more science on the present stage market is finished the test of power driven system.
Summary of the invention
It is a kind of simple in structure, with strong points that the utility model provides, the used for electric vehicle current vortex power-measuring system that real-time is good.The utility model takes following scheme to realize:
A kind of current vortex power-measuring system, comprise and treat measured motor, electric machine controller to be measured, battery simulator, battery simulator connects electric machine controller to be measured successively and treats measured motor, it is characterized in that: also comprise current vortex loader, power analyzer, signal condition control module and operating console, the described measured motor for the treatment of links to each other successively with described current vortex loader and operating console, the signal condition control module is connected with power analyzer, and power analyzer exports operating console to.
Also connected a radiator valve on the described current vortex loader.
Between described battery simulator and the electric machine controller to be measured, electric machine controller to be measured and treat also to comprise between the measured motor signal picker, gather signals such as voltage, electric current and deliver to described power analyzer.
Described electric machine controller to be measured and treat that measured motor exports temperature information to described signal condition control module through the temperature signal collection device.
Described operating console exports information to display screen.
The present invention compared with prior art has significant advantage and beneficial effect, is embodied in the following aspects:
System has adopted high-precision power analyzer to carry out the collection and the processing of all electrical quantitys, because its sample rate is fast, the data precision height, data-handling capacity is powerful, guaranteed the precision of all electrical quantitys and the reliability and the promptness of data, its all data transmit to computer real-time.
Signals such as rotating speed and moment of torsion temperature send computer acquisition and processing after conditioning.Because present stage, torque sensor inside formed measuring unit by foil gauge, and there is certain temperature drift in this sensor, there is influence in measuring accuracy, so in this system, added temperature control unit, the precision of the moment of torsion data that assurance records.
System adopts human-computer interaction interface can carry out complete program control operation, only needs after setting is finished to monitor that its running status gets final product, and all regulating commands are all independently sent by host computer, reduce the manual operation factor, and reduction personnel workload improves detection efficiency.
Description of drawings
Fig. 1 is the utility model current vortex power-measuring system theory diagram.
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
Current vortex power-measuring system as shown in Figure 1, comprise and treat measured motor, electric machine controller to be measured, battery simulator, battery simulator connects electric machine controller to be measured successively and treats measured motor, also comprise current vortex loader, power analyzer, signal condition control module and operating console, the described measured motor for the treatment of connects described current vortex loader by spring coupling, the current vortex loader links to each other with operating console after connecting the signal condition control module, the signal condition control module is connected with power analyzer, and power analyzer exports operating console to.
Also connected a radiator valve on the described current vortex loader.Because present stage, torque sensor inside formed measuring unit by foil gauge, and there is certain temperature drift in this sensor, there is influence in measuring accuracy, so in this system, added temperature control unit, the precision of the moment of torsion data that assurance records.Between described battery simulator and the electric machine controller to be measured, electric machine controller to be measured and treat also to comprise between the measured motor signal picker, the line 3 in the accompanying drawing, line 4 will collect signals such as voltage, electric current and deliver to described power analyzer.System has adopted high-precision power analyzer to carry out the collection and the processing of all electrical quantitys, because its sample rate is fast, the data precision height, data-handling capacity is powerful, guaranteed the precision of all electrical quantitys and the reliability and the promptness of data, its all data transmit in real time to operating console.Described electric machine controller to be measured and treat that measured motor exports temperature information to described signal condition control module through the temperature signal collection device.Line 1 in the accompanying drawing, line 2 are the temperature signal collection circuit.Signals such as rotating speed and moment of torsion, temperature send operating console collection and processing after conditioning.Operating console will send data handle in real time and curve plotting and real time data show, and the preservation of carrying out data is as required recorded a video with curve.Described operating console exports information to display screen.
The selectable control model of system has: the permanent rotating speed control of dynamometer machine, and the permanent rotating speed control of motor, the permanent moment of torsion control of dynamometer machine loads proportional control etc.System both can also can be finished by the control panel manual operation by software control.Operating console can directly select to show draw and register system in the real-time curve of any one group of data, and can directly intercept curve segment and be added into laboratory report.
To treat that measured motor and current vortex loader connect before the test, then with controller to be measured with treat that measured motor connects, again power analyzer and temperature signal collection device etc. is installed, whether the moment of torsion displayed value is observed in the starting outfit preheating after 20 minutes be zero, otherwise carry out moment of torsion setting operation at zero point in function software.
The test beginning, set test pattern as required, as the permanent rotary speed working pattern of dynamometer machine, start then and treat the measured motor sample, the operating console host computer will be gathered the current rotating speed of tach signal real-time judge motor of returning according to the signal condition control module, be lower than setting value as current rotating speed, software will send order according to the difference size with preset value and reduce loading force, if greater than desired value, then send the order that strengthens loading force, it is stabilized near the desired value.
If be in permanent torque control mode, the signals collecting control module is sent to operating console in real time with the torque value that collects, upper computer software is compared it with preset value, if reduce the loading force order with regard to sending greater than preset value, if just send the order of increasing loading force less than desired value, the size of finally keeping loading force equals the goal-setting value.
The data that host computer collection in real time and processing power analyser and other sensors are uploaded in the test process are preserved the data curve plotting as required.
Temperature control unit also is so, and it is in the design temperature scope.
The modular design clear in structure of current vortex power-measuring system of the present utility model, all data acquisition fronts are formed by the unit of mature and reliable, guaranteed reliability of system operation, its real-time curve and high-precision test data provide more effective design reference and foundation for the research staff.
Claims (5)
1. current vortex power-measuring system, comprise and treat measured motor, electric machine controller to be measured, battery simulator, battery simulator connects electric machine controller to be measured successively and treats measured motor, it is characterized in that: also comprise current vortex loader, power analyzer, signal condition control module and operating console, the described measured motor for the treatment of links to each other successively with described current vortex loader and operating console, the signal condition control module is connected with power analyzer, and power analyzer exports operating console to.
2. current vortex power-measuring system according to claim 1 is characterized in that: also connected a radiator valve on the described current vortex loader.
3. current vortex power-measuring system according to claim 1, it is characterized in that: between described battery simulator and the electric machine controller to be measured, electric machine controller to be measured and treat also to comprise between the measured motor signal picker, gather signals such as voltage, electric current and deliver to described power analyzer.
4. current vortex power-measuring system according to claim 1 is characterized in that: described electric machine controller to be measured and treat that measured motor exports temperature information to described signal condition control module through the temperature signal collection device.
5. current vortex power-measuring system according to claim 1 is characterized in that: described operating console exports information to display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200380591U CN201984109U (en) | 2011-02-14 | 2011-02-14 | Eddy current dynamometric system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200380591U CN201984109U (en) | 2011-02-14 | 2011-02-14 | Eddy current dynamometric system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201984109U true CN201984109U (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200380591U Expired - Fee Related CN201984109U (en) | 2011-02-14 | 2011-02-14 | Eddy current dynamometric system |
Country Status (1)
| Country | Link |
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| CN (1) | CN201984109U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043619A (en) * | 2015-05-17 | 2015-11-11 | 成都诚邦动力测试仪器有限公司 | Eddy current power measuring system based on integrating circuit |
| CN105043614A (en) * | 2015-05-17 | 2015-11-11 | 成都诚邦动力测试仪器有限公司 | Eddy current power measuring system based on band-pass filtering |
| CN105136365A (en) * | 2015-05-17 | 2015-12-09 | 成都诚邦动力测试仪器有限公司 | Signal amplification type current vortex power measuring system |
| CN105181197A (en) * | 2015-05-17 | 2015-12-23 | 成都诚邦动力测试仪器有限公司 | Eddy current dynamometer system based on logic amplification circuit |
| CN107631825A (en) * | 2017-10-31 | 2018-01-26 | 集美大学 | Control system and its control method based on the portable ship electronic indicators of ARM |
-
2011
- 2011-02-14 CN CN2011200380591U patent/CN201984109U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043619A (en) * | 2015-05-17 | 2015-11-11 | 成都诚邦动力测试仪器有限公司 | Eddy current power measuring system based on integrating circuit |
| CN105043614A (en) * | 2015-05-17 | 2015-11-11 | 成都诚邦动力测试仪器有限公司 | Eddy current power measuring system based on band-pass filtering |
| CN105136365A (en) * | 2015-05-17 | 2015-12-09 | 成都诚邦动力测试仪器有限公司 | Signal amplification type current vortex power measuring system |
| CN105181197A (en) * | 2015-05-17 | 2015-12-23 | 成都诚邦动力测试仪器有限公司 | Eddy current dynamometer system based on logic amplification circuit |
| CN107631825A (en) * | 2017-10-31 | 2018-01-26 | 集美大学 | Control system and its control method based on the portable ship electronic indicators of ARM |
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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 |
Granted publication date: 20110921 Termination date: 20150214 |
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| EXPY | Termination of patent right or utility model |