CN201909833U - Energy feedback asynchronous motor testing device based on Lab VIEW platform - Google Patents
Energy feedback asynchronous motor testing device based on Lab VIEW platform Download PDFInfo
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- CN201909833U CN201909833U CN2010206630295U CN201020663029U CN201909833U CN 201909833 U CN201909833 U CN 201909833U CN 2010206630295 U CN2010206630295 U CN 2010206630295U CN 201020663029 U CN201020663029 U CN 201020663029U CN 201909833 U CN201909833 U CN 201909833U
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Abstract
An energy feedback asynchronous motor testing device based on a Lab VIEW platform comprises a voltage sensor, a first current sensor, a third current sensor, a second current sensor, a fourth current sensor, a torque measurer and a Lab VIEW measuring and controlling system data acquisition card. The voltage sensor is used for measuring direct-current bus voltage of an output end of an active front end unit, the first current sensor and the third current sensor are used for measuring current of an input end and an output end of an accompany test current transformer, the second current transformer and the fourth current transformer are used for measuring current of an input end and an output end of a tested current transformer, the torque measurer is used for measuring torque of a coupling, and the Lab VIEW measuring and controlling system data acquisition card is used for receiving output signals of the torque measurer, the voltage sensor, the first current transformer, the second current transformer, the third current transformer and the fourth current transformer, and sending corresponding control signals into the tested current transformer and the accompany test current transformer. By means of energy feedback, energy of the tested motor is fed back to a direct-current bus, loss of the system can be supplemented by a little energy supplied from a power source, and accordingly energy saving effect is evident when the testing device is in a long-term testing state. In addition, the testing device can be used for testing performance of motors while energy consumption is reduced greatly.
Description
Technical field
The utility model relates to a kind of asynchronous machine proving installation, is specifically a kind ofly can present formula asynchronous machine proving installation based on the LabVIEW platform.
Background technology
Motor detection apparatus commonly used at present mostly adopts direct current generator or dynamometer machine as the load of tested motor, by the mode of heating energy consumption is fallen, and carries out the electromechanical testing formula for a long time and can cause a large amount of waste of energy.
The utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, provides a kind of and can present formula asynchronous machine proving installation based on the LabVIEW platform.
In order to solve above technical matters, what the utility model provided can present formula asynchronous machine proving installation based on the LabVIEW platform, comprise active front end units, tested current transformer, tested motor, accompany the examination current transformer, accompany the examination motor, described tested motor is connected by shaft coupling with accompanying the examination motor, it is characterized in that also comprising:
Voltage sensor---be used to measure the voltage of active front end units output terminal dc bus;
First current sensor---be used to measure the input end electric current of accompanying the examination current transformer;
Second current sensor---be used to measure the input end electric current of tested current transformer;
The 3rd current sensor---be used to measure three electric currents of output terminal of accompanying the examination current transformer;
The 4th current sensor---be used to measure three electric currents of output terminal of tested current transformer;
Torductor---be used to measure the moment of torsion of shaft coupling;
LabVIEW TT﹠C system data collecting card---be used to receive the output signal of described torductor, voltage sensor and first, second, third, fourth current sensor, and corresponding control signal is sent into tested current transformer respectively, accompanied the examination current transformer.
The utility model adopts energy feedback mode, and the energy of tested motor is fed back to dc bus, and power supply only need provide very little part energy replenishment system loss get final product, and energy-saving effect is remarkable under test mode for a long time.This device can be used for the motor performance test, greatly cuts down the consumption of energy simultaneously.For long-time, powerful electromechanical testing test, its energy-saving effect is obvious, has better economic.
Further, the utility model can be presented in the formula asynchronous machine proving installation based on the LabVIEW platform, is connected to chopper on the output terminal dc bus of described active front end units, chopper step-down when the direct current network net is pressed above setting value, protection electrical equipment.
As seen, the utility model ingenious conception, simple in structure, effective.It will be widely used in field of track traffic, have good market outlook.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structured flowchart of the utility model embodiment 1.
Embodiment
Embodiment 1
Present embodiment can present formula asynchronous machine proving installation, as shown in Figure 1, comprise active front end units, tested current transformer, tested motor, accompany the examination current transformer, accompany the examination motor, described tested motor is connected by shaft coupling with accompanying the examination motor, and its improvements are also to comprise:
Voltage sensor---be used to measure the voltage of active front end units output terminal dc bus;
First current sensor---be used to measure the input end electric current of accompanying the examination current transformer;
Second current sensor---be used to measure the input end electric current of tested current transformer;
The 3rd current sensor---be used to measure three electric currents of output terminal of accompanying the examination current transformer;
The 4th current sensor---be used to measure three electric currents of output terminal of tested current transformer;
Torductor---be used to measure the moment of torsion of shaft coupling;
LabVIEW TT﹠C system data collecting card---be used to receive the output signal of described torductor, voltage sensor and first, second, third, fourth current sensor, and corresponding control signal is sent into tested current transformer respectively, accompanied the examination current transformer.Specifically, the signal output part of torductor, voltage sensor and first, second, third, fourth current sensor links to each other with the signal input part of LabVIEW TT﹠C system data collecting card, the control signal output ends mouth of LabVIEW TT﹠C system data collecting card respectively with tested current transformer, accompany the examination current transformer the signal input end mouth be connected.
A motor is in motoring condition in operational process, other one is in generating state, control the energy that produces that to generate electricity by current transformer and feed back to the DC electrical network, utilize parameters such as the electric current and voltage of key position in the LabVIEW TT﹠C system monitoring system and motor speed moment of torsion simultaneously, and calculate controlled variable according to measured value and pass to current transformer, so that system safety operation.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (2)
- Based on the LabVIEW platform can present formula asynchronous machine proving installation, comprise active front end units, tested current transformer, tested motor, accompany the examination current transformer, accompany the examination motor, described tested motor tries motor and is connected by shaft coupling with accompanying, and it is characterized in that also comprising:Voltage sensor---be used to measure the voltage of active front end units output terminal dc bus;First current sensor---be used to measure the input end electric current of accompanying the examination current transformer;Second current sensor---be used to measure the input end electric current of tested current transformer;The 3rd current sensor---be used to measure three electric currents of output terminal of accompanying the examination current transformer;The 4th current sensor---be used to measure three electric currents of output terminal of tested current transformer;Torductor---be used to measure the moment of torsion of shaft coupling;LabVIEW TT﹠C system data collecting card---be used to receive the output signal of described torductor, voltage sensor and first, second, third, fourth current sensor, and corresponding control signal is sent into tested current transformer respectively, accompanied the examination current transformer.
- 2. according to claim 1ly can present formula asynchronous machine proving installation based on the LabVIEW platform; it is characterized in that: be connected to chopper on the output terminal dc bus of described active front end units; chopper step-down when the direct current network net is pressed above setting value, the protection electrical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206630295U CN201909833U (en) | 2010-12-14 | 2010-12-14 | Energy feedback asynchronous motor testing device based on Lab VIEW platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206630295U CN201909833U (en) | 2010-12-14 | 2010-12-14 | Energy feedback asynchronous motor testing device based on Lab VIEW platform |
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| Publication Number | Publication Date |
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| CN201909833U true CN201909833U (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206630295U Expired - Lifetime CN201909833U (en) | 2010-12-14 | 2010-12-14 | Energy feedback asynchronous motor testing device based on Lab VIEW platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435947A (en) * | 2011-10-12 | 2012-05-02 | 扬州华泰电子有限公司 | Direct current feed type motor testing system |
| CN102494820A (en) * | 2011-12-28 | 2012-06-13 | 北京市三一重机有限公司 | Electric dynamometer |
| CN104280251A (en) * | 2013-07-05 | 2015-01-14 | 深圳市富临特科技有限公司 | Energy-saving type vehicle traction system comprehensive testing platform based on LabVIEW |
| CN107192949A (en) * | 2017-06-26 | 2017-09-22 | 大连理工大学 | Based on the motor efficiency detecting instrument of electrical quantity can be surveyed |
| CN108802556A (en) * | 2018-06-21 | 2018-11-13 | 中车青岛四方车辆研究所有限公司 | Pulling test platform |
-
2010
- 2010-12-14 CN CN2010206630295U patent/CN201909833U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435947A (en) * | 2011-10-12 | 2012-05-02 | 扬州华泰电子有限公司 | Direct current feed type motor testing system |
| CN102494820A (en) * | 2011-12-28 | 2012-06-13 | 北京市三一重机有限公司 | Electric dynamometer |
| CN102494820B (en) * | 2011-12-28 | 2014-07-23 | 北京市三一重机有限公司 | Electric dynamometer |
| CN104280251A (en) * | 2013-07-05 | 2015-01-14 | 深圳市富临特科技有限公司 | Energy-saving type vehicle traction system comprehensive testing platform based on LabVIEW |
| CN104280251B (en) * | 2013-07-05 | 2016-02-17 | 深圳市富临特科技有限公司 | Based on the energy-efficient vehicle trailer system comprehensive test platform of LabVIEW |
| CN107192949A (en) * | 2017-06-26 | 2017-09-22 | 大连理工大学 | Based on the motor efficiency detecting instrument of electrical quantity can be surveyed |
| CN108802556A (en) * | 2018-06-21 | 2018-11-13 | 中车青岛四方车辆研究所有限公司 | Pulling test platform |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210031 Nanjing, Pu Pu North Road, No. 68, Jiangsu Patentee after: CRRC NANJING PUZHEN CO., LTD. Address before: 210031 Nanjing, Pu Pu North Road, No. 68, Jiangsu Patentee before: CSR NANJING PUZHEN Vehicles Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20110727 |
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| CX01 | Expiry of patent term |