CN203672994U - Performance testing device for motor controller major loop of electric vehicle - Google Patents
Performance testing device for motor controller major loop of electric vehicle Download PDFInfo
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- CN203672994U CN203672994U CN201320877872.7U CN201320877872U CN203672994U CN 203672994 U CN203672994 U CN 203672994U CN 201320877872 U CN201320877872 U CN 201320877872U CN 203672994 U CN203672994 U CN 203672994U
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- major loop
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- machine controller
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Abstract
The utility model discloses a performance testing device for a motor controller major loop of an electric vehicle. The performance testing device comprises a major loop testing device; the major loop testing device is integrated with an oscilloscope and control interface thereof, a pulse generator and test device and a test platform; and the pulse generator and test device is electrically connected with the test platform and the oscilloscope and control interface thereof. Parameter indexes of the motor controller major loop can be accurately obtained through related performance tests of the major loop. The motor controller major loop serves as a main power supply circuit of the electric vehicle, so that testing of key parameters of the motor controller major loop has practical significance. By the design of the performance testing device, the key performance parameters of the motor controller major loop can be tested on a complete experimental platform at the same time, the utilization rate is improved, and repeated experiments are prevented. According to the performance testing device, measurement of the key parameters is reasonable and effective, and important performance indexes concerning short circuit protection time and effectiveness, major loop stray inductance measurement, peak voltage and IGBT on-off delay time can provide design parameters and reference for the design of a motor controller.
Description
Technical field
The utility model relates to power electronics transmission field, particularly a kind of electric machine controller major loop performance testing device of electric automobile.
Background technology
Flourish along with new-energy automobile, the exploitation of some measuring technologies relevant to electric automobile core technology has researching value and market outlook.The quality of the performance parameter of electric machine controller major loop is directly determining the whether steadily safe operation of power system of electric automobile.How effectively to obtain accurately these relevant parameters most important for the performance that improves electric automobile.
Realizing in process of the present utility model, find at least to exist in prior art following shortcoming and defect:
Existing proving installation can only be single detection electric machine controller primary heat transport system in some parameters, the several key parameters in major loop need separating and measuring, have increased the operation that testing table is built.Therefore these test events are incorporated in a proving installation disposable complete to measure be one and have problem to be solved.
Utility model content
The utility model provides a kind of electric machine controller major loop performance testing device of electric automobile; the peak voltage of the utility model in can Measurement accuracy electric machine controller major loop, stray inductance, short-circuit protection function whether effectively and the time of protection and current value, IGBT(insulated gate bipolar transistor) open the delay time of shutoff, described below:
An electric machine controller major loop performance testing device for electric automobile, comprising: major loop proving installation, integrated oscillograph and control interface, pulse producer and testing apparatus and test platform on described major loop proving installation; Described pulse producer and testing apparatus are electrically connected described test platform and described oscillograph and control interface.
Described oscillograph and control interface thereof are to be more than or equal at least isolation oscillograph of 200MHZ of 4 passages, bandwidth.
Described test platform comprises: high-voltage adjustable power supply, Support Capacitor, DC master row, IGBT module, drive plate and inductive load; Described IGBT module comprises: upper brachium pontis and lower brachium pontis;
The corresponding connection of both positive and negative polarity of described high-voltage adjustable power supply and described Support Capacitor, the both positive and negative polarity of described DC master row is connected with the both positive and negative polarity of described high-voltage adjustable power supply, the both positive and negative polarity of described Support Capacitor respectively, the positive pole of described DC master row is connected with the collector of described upper brachium pontis, and the negative pole of described DC master row is connected with the emitter of described lower brachium pontis.
Testing apparatus in described pulse producer and testing apparatus comprises: the first low pressure probe, the second low pressure probe, Luo-coil, high pressure isolation probe, pulse producer;
Four passages at described oscillograph and control interface thereof are connected with described the first low pressure probe, described the second low pressure probe, described Luo-coil, described high pressure isolation probe respectively;
Described first low pressure probe one end connects the output of described pulse producer, and the other end connects described oscillograph and controls the first passage at interface; Described second low pressure probe one end connects respectively the gate pole of described drive plate and described lower brachium pontis, and the other end connects described oscillograph and controls the second channel at interface; Described Luo-coil one end connects the emitter of described lower brachium pontis, and the other end connects described oscillograph and controls the third channel at interface; Voltage between collector and the emitter of the described lower brachium pontis of described high pressure isolation probe one end connection, the other end connects described oscillograph and controls the four-way at interface.
Monopulse, dipulse signal and the cycle dutycycle of described pulse producer output pulse width 0us～100us are adjustable.
Described pulse producer connects described drive plate, and described pulse producer sends the monopulse of < 10us.
Described pulse producer sends dipulse waveform.
Between the collector of described upper brachium pontis and emitter, be connected by described inductive load, described inductive load is air core inductor.
Described electric machine controller major loop performance testing device also comprises: shorting stub,
Between the collector of described upper brachium pontis and emitter, be connected by described shorting stub, the cross section of described shorting stub is 10 squares of thick lines.
The beneficial effect of the technical scheme that the utility model provides is: the parameter index that can obtain accurately electric machine controller major loop by the dependence test of major loop performance; The major loop of electric machine controller is as the main power source circuit of electric motor car, the measurement of its key parameter has very real meaning, by the design of proving installation, the critical performance parameters in electric machine controller major loop can be recorded on a complete experiment porch simultaneously, improved the utilization factor of equipment; Avoid repeating experiment.The measurement of key parameter is rationally effective, and short-circuit protection time and validity, the measurement of major loop stray inductance, peak voltage, IGBT open with these important performance index of turn off delay time can provide favourable design parameter and reference frame for the design of electric machine controller.
Brief description of the drawings
Fig. 1 is a kind of structural representation of electric machine controller major loop performance testing device of electric automobile;
Connection block diagram when Fig. 2 is stray inductance and peak voltage test;
Connection block diagram when Fig. 3 is short-circuit test.
Shown in accompanying drawing, components listed is listed as follows:
10: major loop performance testing device; 20: oscillograph and control interface thereof;
30: pulse producer and testing apparatus; 40: test platform;
A: high-voltage adjustable power supply; B: Support Capacitor;
C: DC master row; D:IGBT module;
D.1:IGBT the upper brachium pontis of module; D.2:IGBT the lower brachium pontis of module;
E: drive plate; F: inductive load;
G: pulse producer; H.1, h.2: first, second low pressure probe;
I: Luo-coil; J: high pressure isolation probe;
K: shorting stub.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
For the peak voltage in can Measurement accuracy electric machine controller major loop, stray inductance, short-circuit protection function whether effectively and the time of protection and current value, IGBT(insulated gate bipolar transistor) open the delay time of shutoff; the utility model embodiment provides a kind of electric machine controller major loop performance testing device of electric automobile; referring to Fig. 1, Fig. 2 and Fig. 3, described below:
This electric machine controller major loop performance testing device comprises: major loop proving installation 10, integrated oscillograph and control interface 20, pulse producer and testing apparatus 30 and test platform 40 on major loop proving installation 10; Pulse producer and testing apparatus 30 are at the middle part of whole proving installation, and electrical connection test platform 40 is with oscillograph and control interface 20, is the nucleus equipment of whole proving installation.Test platform 40 is the equipment under tests in proving installation, i.e. electric machine controller major loop; Test platform 40 rationally build the risk that can reduce experiment, obtain experimental data accurately.
In order to obtain better test effect, this oscillograph and control 20 Wei≤4, an interface passage thereof, at least isolation oscillograph of 200MHZ of bandwidth.
Referring to Fig. 2, the testing apparatus in pulse producer and testing apparatus 30 comprises: the first low pressure probe h.1, the second low pressure probe h.2, Luo-coil i, high pressure isolation probe j, pulse producer g; Oscillograph and four passages controlling interface 20 thereof respectively with first, second low pressure probe h.1, h.2, Luo-coil i, high pressure isolation probe j be connected.Pop one's head in one end h.1 of the first low pressure connects the output of pulse producer g, and the other end connects oscillograph and controls the first passage 1 at interface 20, monitors the output waveform of pulse producer g by oscillograph; The second low pressure h.2 one end of popping one's head in connects respectively brachium pontis gate pole d.2 under drive plate e and module, and the other end connects oscillograph and controls the second channel 2 at interface 20, by oscillograph monitor under IGBT module brachium pontis d.2 gate pole open and the waveform turn-offing; Luo-coil i one end connects brachium pontis emitter d.2 under IGBT module, and the other end connects oscillograph and controls the third channel 3 at interface 20; High pressure isolation probe j one end connects the voltage between brachium pontis collector and emitter d.2 under IGBT module, and the other end connects oscillograph and controls the four-way 4 at interface 20.
Wherein, the measurement range 2500V of high pressure isolation probe j; The measurement range 6KA of Luo-coil i, inductive load can not reach magnetic saturation.Monopulse, dipulse signal and the cycle dutycycle of the exportable pulsewidth 0uS～100us of pulse producer g in pulse producer and testing apparatus 30 are all adjustable.Pulse producer g connects drive plate e; in the time that needs are measured IGBT and are opened turn off delay time time and short-circuit protection; pulse producer g only need send the monopulse of < 10us; in the time that needs are measured IGBT module when work peak voltage and major loop stray inductance, pulse producer g need to send dipulse waveform.Wherein, IGBT opens and observes the waveform of monopulse that pulse producer g sends and the gate pole waveform of IGBT module with turn off delay time by oscillograph and just can observe the time delay of opening while turn-offing.
Referring to Fig. 2, test platform 40 comprises: high-voltage adjustable power supply a(the utility model embodiment describes as an example of 0-600V example), Support Capacitor b, DC master row c, IGBT module d, drive plate e and inductive load f; Wherein IGBT module d comprises: the upper brachium pontis of IGBT module d.1 with the lower brachium pontis of IGBT module d.2; The corresponding connection of both positive and negative polarity of high-voltage adjustable power supply a and Support Capacitor b, the both positive and negative polarity of DC master row c is connected with the both positive and negative polarity of high-voltage adjustable power supply a, the both positive and negative polarity of Support Capacitor b respectively, the upper brachium pontis of the positive pole of DC master row c and IGBT module d collector is d.1 connected, and the lower brachium pontis of the negative pole of DC master row c and IGBT module d emitter is d.2 connected.
Test platform 40 is in the time completing IGBT module when work peak voltage, the test of major loop stray inductance, between collector d.1 of the upper brachium pontis of IGBT module and emitter, be connected by inductive load f, inductive load f is air core inductor, and can not reach magnetic saturation, prevent the lower brachium pontis of the excessive IGBT of the puncturing module of electric current d.2.
Referring to Fig. 3; test platform 40 is completing IGBT module when work short-circuit protection function whether effectively and when the time of protection tests with current value; between collector d.1 of the upper brachium pontis of IGBT module and emitter, be connected by shorting stub k; needing at least cross section is 10 squares of thick lines, and shorting stub may be born the large electric current of the electric current of kiloampere.
Referring to Fig. 2 and Fig. 3; when in the time carrying out the work of IGBT module, peak voltage, the test of major loop stray inductance and short-circuit protection are tested; the magnitude of voltage of high-voltage adjustable power supply a needs to increase gradually from low to high the rated voltage that finally increases to test platform 40, on each electrical voltage point, observes output waveform.
In the time carrying out short-circuit protection experiment, after pulse producer g output monopulse, short trouble occurs, and has malfunction indicator lamp and light on drive plate e.
Wherein, stray inductance test is by be connected to serve as inductive load with air core inductor between collector d.1 of upper brachium pontis and emitter, after connecting, regulate high-voltage power supply, up regulate from low pressure, be often transferred to a magnitude of voltage and send out dipulse waveform, IGBT gate pole is opened twice.Opening the time of falling and falling that can be observed IGBT collector voltage on waveform of second pulse, Luo-coil i need to be enclosed within lower brachium pontis emitter d.2, observe the spike of curent change in drop-out time by Luo-coil i, by calculating the stray inductance value of the major loop that can calculate.
In sum, the utility model embodiment provides a kind of electric machine controller major loop performance testing device of electric automobile, by the comprehensive Design of major loop key parameter test experiments, make these crucial performance parameters of the survey that proving installation can be effective and reasonable, for electric machine controller overall design provides necessary design parameter.The test of multiple experimental project combinations simultaneously; be IGBT module when work peak voltage, major loop stray inductance, IGBT short-circuit protection function whether effectively and the time of protection and current value, IGBT open four performance tests of turn off delay time and can complete measurement at this proving installation; make more complete the repeating of avoiding similar experiment of building of experiment porch, provide good experiment porch for the acquisition of efficient experimental data.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. an electric machine controller major loop performance testing device for electric automobile, comprising: major loop proving installation, is characterized in that integrated oscillograph and control interface, pulse producer and testing apparatus and test platform on described major loop proving installation; Described pulse producer and testing apparatus are electrically connected described test platform and described oscillograph and control interface.
2. the electric machine controller major loop performance testing device of a kind of electric automobile according to claim 1, is characterized in that, described oscillograph and control interface thereof are to be more than or equal at least isolation oscillograph of 200MHZ of 4 passages, bandwidth.
3. the electric machine controller major loop performance testing device of a kind of electric automobile according to claim 2, is characterized in that, described test platform comprises: high-voltage adjustable power supply, Support Capacitor, DC master row, IGBT module, drive plate and inductive load; Described IGBT module comprises: upper brachium pontis and lower brachium pontis;
The corresponding connection of both positive and negative polarity of described high-voltage adjustable power supply and described Support Capacitor, the both positive and negative polarity of described DC master row is connected with the both positive and negative polarity of described high-voltage adjustable power supply, the both positive and negative polarity of described Support Capacitor respectively, the positive pole of described DC master row is connected with the collector of described upper brachium pontis, and the negative pole of described DC master row is connected with the emitter of described lower brachium pontis.
4. the electric machine controller major loop performance testing device of a kind of electric automobile according to claim 3, it is characterized in that, the testing apparatus in described pulse producer and testing apparatus comprises: the first low pressure probe, the second low pressure probe, Luo-coil, high pressure isolation probe, pulse producer;
Four passages at described oscillograph and control interface thereof are connected with described the first low pressure probe, described the second low pressure probe, described Luo-coil, described high pressure isolation probe respectively;
Described first low pressure probe one end connects the output of described pulse producer, and the other end connects described oscillograph and controls the first passage at interface; Described second low pressure probe one end connects respectively the gate pole of described drive plate and described lower brachium pontis, and the other end connects described oscillograph and controls the second channel at interface; Described Luo-coil one end connects the emitter of described lower brachium pontis, and the other end connects described oscillograph and controls the third channel at interface; Voltage between collector and the emitter of the described lower brachium pontis of described high pressure isolation probe one end connection, the other end connects described oscillograph and controls the four-way at interface.
5. the electric machine controller major loop performance testing device of a kind of electric automobile according to claim 4, is characterized in that, monopulse, dipulse signal and the cycle dutycycle of described pulse producer output pulse width 0us～100us are adjustable.
6. the electric machine controller major loop performance testing device of a kind of electric automobile according to claim 4, is characterized in that, described pulse producer connects described drive plate, and described pulse producer sends the monopulse of < 10us.
7. the electric machine controller major loop performance testing device of a kind of electric automobile according to claim 4, is characterized in that, described pulse producer sends dipulse waveform.
8. the electric machine controller major loop performance testing device of a kind of electric automobile according to claim 3, is characterized in that, between the collector of described upper brachium pontis and emitter, is connected by described inductive load, and described inductive load is air core inductor.
9. the electric machine controller major loop performance testing device of a kind of electric automobile according to claim 3, is characterized in that, described electric machine controller major loop performance testing device also comprises: shorting stub,
Between the collector of described upper brachium pontis and emitter, be connected by described shorting stub, the cross section of described shorting stub is 10 squares of thick lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877872.7U CN203672994U (en) | 2013-12-23 | 2013-12-23 | Performance testing device for motor controller major loop of electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877872.7U CN203672994U (en) | 2013-12-23 | 2013-12-23 | Performance testing device for motor controller major loop of electric vehicle |
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| Publication Number | Publication Date |
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| CN203672994U true CN203672994U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320877872.7U Withdrawn - After Issue CN203672994U (en) | 2013-12-23 | 2013-12-23 | Performance testing device for motor controller major loop of electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675558A (en) * | 2013-12-23 | 2014-03-26 | 天津清源电动车辆有限责任公司 | Performance test device for motor controller major loop of electric vehicle |
-
2013
- 2013-12-23 CN CN201320877872.7U patent/CN203672994U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675558A (en) * | 2013-12-23 | 2014-03-26 | 天津清源电动车辆有限责任公司 | Performance test device for motor controller major loop of electric vehicle |
| CN103675558B (en) * | 2013-12-23 | 2016-03-02 | 天津清源电动车辆有限责任公司 | A kind of performance test device for motor controller major loop of electric automobile |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20160302 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |