CN112327155A - System and method for testing condensate water resistance of driving motor of electric automobile - Google Patents
System and method for testing condensate water resistance of driving motor of electric automobile Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 230000008569 process Effects 0.000 claims abstract description 32
- 238000010998 test method Methods 0.000 claims abstract description 4
- 230000001276 controlling effect Effects 0.000 claims description 43
- 238000009833 condensation Methods 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 13
- 239000000110 cooling liquid Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000011056 performance test Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The embodiment of the application discloses anti comdenstion water capability test system of electric automobile driving motor and method, and this system includes: the test bench comprises a test bench, a controller, a tested driving motor, an accompanied testing driving motor, a coupler, a tested driving motor controller and a high-low temperature test box, wherein the controller, the tested driving motor, the accompanied testing driving motor, the coupler, the tested driving motor controller and the high-low temperature test box are fixed on the test bench; and the tested driving motor is sealed in the high-low temperature test box in the test process. The test method comprises the following steps: controlling the temperature in the high-low temperature test chamber within a preset first temperature range; controlling the tested driving motor to run at the highest rotating speed and rated power for presetting a first time length; controlling the tested driving motor to run at the rated speed and the rated power for presetting a second time length; repeatedly executing the two operations according to a preset cycle number; and after the circulation is finished, controlling the tested driving motor to stop running, and finishing the test process. When the system and the method are used for testing the condensate water resistance of the driving motor, the driving motor does not need to be transported to a low-temperature area, and the test cost is effectively saved.
Description
Technical Field
The application relates to the technical field of electric automobile power systems, in particular to a system and a method for testing condensate water resistance of an electric automobile driving motor.
Background
The condensate water is a ubiquitous problem of a pure electric vehicle driving motor, the cause of the condensate water is that the driving motor starts to operate from standing under the weather conditions of day and night temperature difference and large air humidity, a motor winding generates heat to generate a large amount of humid hot air, the temperature of a shell of the motor, such as a junction box and a three-phase power line on the junction box, is lower at the moment, and the condensate water is formed on the surface of the shell when the humid hot air caused by the heat generation of the motor winding contacts low-temperature components, such as the junction box, the power line and the.
The insulating properties of motor that the comdenstion water can greatly reduced will lead to the motor to report insulation fault so that the car can't move, and the motor part also can be corroded to the comdenstion water that the motor inside produced, can cause the motor short circuit even when serious. At present, China is still in the primary stage of development of pure electric vehicles, and the problem of condensate water of the pure electric vehicles mainly occurs in the environments with lower temperature in the northern China and the northeast China in winter, so that most of driving motors do not have a test process specially aiming at the condensate water resistance in the design stage. Even if the drive motor is tested for its ability to resist condensation, the drive motor needs to be transported to a low-temperature area for test verification, which is too costly.
Disclosure of Invention
In order to solve the problem that the cost for testing the anti-condensation water capacity of the driving motor is too high at present, the application discloses a system and a method for testing the anti-condensation water performance of the driving motor of the electric automobile through the following embodiments.
The application first aspect discloses an anti comdenstion water capability test system of electric automobile driving motor includes: the device comprises a test bench, a controller, a tested driving motor, an accompanied testing driving motor, a coupler, a tested driving motor controller and a high-low temperature test box, wherein the controller, the tested driving motor, the accompanied testing driving motor, the coupler, the tested driving motor controller and the high-low temperature test box are fixed on the test bench;
the tested driving motor and the accompanied testing driving motor are connected together through a coupling shaft;
the tested driving motor is sealed in the high-low temperature test box in the test process;
the accompanied test driving motor is used for outputting a rotating speed value required by the test so as to control the tested driving motor to be at a target rotating speed;
the controller is respectively connected to the driving motor to be tested, the accompanying driving motor, the driving motor controller to be tested and the high-low temperature test box;
the controller is provided with the following test control flows:
s1, controlling the temperature in the high-low temperature test chamber within a preset first temperature range;
s2, controlling the testing-accompanying driving motor and the tested driving motor controller to enable the tested driving motor to operate at the highest rotating speed and rated power for a preset first time;
s3, controlling the testing-accompanying driving motor and the tested driving motor controller to enable the tested driving motor to operate at a rated rotating speed and a rated power for a preset second time;
s4, repeatedly executing the operations of S2 and S3 according to the preset cycle times;
and S5, after the circulation is finished, controlling the tested driving motor to stop running, and finishing the test process.
Optionally, the system further includes a cooling device, and the cooling device is configured to provide a preset flow of cooling liquid to the driving motor under test during the test.
The second aspect of the present application discloses a method for testing condensed water resistance of a driving motor of an electric vehicle, the method is applied to a controller, the controller is located in the condensed water resistance testing system of the driving motor of the electric vehicle in the first aspect of the present application, and the method includes:
s1, controlling the temperature in the high-low temperature test chamber within a preset first temperature range;
s2, controlling the test driving motor and the tested driving motor controller to enable the tested driving motor to run at the highest rotating speed and rated power for a preset first time;
s3, controlling the testing-accompanying driving motor and the tested driving motor controller to enable the tested driving motor to operate at a rated rotating speed and a rated power for a preset second time;
s4, repeatedly executing the operations of S2 and S3 according to the preset cycle times;
and S5, after the circulation is finished, controlling the tested driving motor to stop running, and finishing the test process.
Optionally, in the process of executing step S2, the method further includes:
and regulating the flow of the cooling liquid by controlling a cooling device to ensure that the temperature of the detected driving motor is stabilized in a preset second temperature range within a preset third time, wherein the third time is shorter than the first time.
Optionally, in the process of executing step S3, the method further includes:
and regulating the flow of the cooling liquid by controlling the cooling device to ensure that the temperature of the measured driving motor is stabilized within a preset third temperature range within a preset third time.
Optionally, the first time period is three hours, the second time period is two hours, and the third time period is one hour;
the second temperature range is T1±2℃，T1Subtracting the maximum allowable temperature of the driving motor to be measured by 10 ℃ to obtain a temperature value;
the third temperature range is T2±2℃，T2Is T1Minus the value of 40 c.
Optionally, the controlling the temperature in the high-low temperature test chamber 7 within a preset first temperature range includes:
adjusting the temperature of the high-low temperature test box to be within a preset first temperature range within a preset fourth time period, wherein the fourth time period is one hour, and the first temperature range is minus 40 +/-2 ℃;
and controlling the temperature of the high-low temperature test box to be always stabilized in a preset first temperature range within a preset fifth time, wherein the fifth time is four hours.
Optionally, the method further includes:
in the testing process, if the electric automobile driving motor anti-condensation water testing system has an insulation fault, the tested driving motor anti-condensation water performance is judged to be unqualified.
Optionally, after controlling the tested driving motor to stop operating and ending the testing process, the method further includes:
judging whether condensed water exists in a junction box of the detected driving motor or not within a preset sixth time, and detecting whether the three-phase insulation resistance is qualified or not, wherein the sixth time is 5 minutes;
and if the condensed water exists in the junction box of the tested driving motor, or if the three-phase insulation resistance is detected to be unqualified, judging that the condensed water resistance of the tested driving motor is unqualified.
Optionally, in the process of executing step S4, the number of cycles is six.
The embodiment of the application discloses anti comdenstion water capability test system of electric automobile driving motor and method, and this system includes: the test bench comprises a test bench, a controller, a tested driving motor, an accompanied testing driving motor, a coupler, a tested driving motor controller and a high-low temperature test box, wherein the controller, the tested driving motor, the accompanied testing driving motor, the coupler, the tested driving motor controller and the high-low temperature test box are fixed on the test bench; and the tested driving motor is sealed in the high-low temperature test box in the test process. The test method comprises the following steps: controlling the temperature in the high-low temperature test chamber within a preset first temperature range; controlling the tested driving motor to run at the highest rotating speed and rated power for presetting a first time length; controlling the tested driving motor to run at the rated speed and the rated power for presetting a second time length; repeatedly executing the two operations according to a preset cycle number; and after the circulation is finished, controlling the tested driving motor to stop running, and finishing the test process. By utilizing the system and the method, the condensate water resistance of the driving motor can be effectively tested, the driving motor does not need to be transported to a low-temperature area, and the test cost is effectively saved.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a system for testing condensed water resistance of a driving motor of an electric vehicle, disclosed in an embodiment of the present application;
FIG. 2 is a schematic view of a working flow of a method for testing condensed water resistance of a driving motor of an electric vehicle, disclosed in an embodiment of the present application;
fig. 3 is a schematic diagram of temperature change of a tested driving motor in a method for testing condensed water resistance of a driving motor of an electric vehicle, disclosed in an embodiment of the present application.
Detailed Description
In order to solve the problem that the cost for testing the anti-condensation water capacity of the driving motor is too high at present, the application discloses a system and a method for testing the anti-condensation water performance of the driving motor of the electric automobile through the following embodiments.
The first embodiment of the present application discloses an anti-condensation performance test system of an electric vehicle driving motor, referring to a schematic structural diagram shown in fig. 1, the system includes: the test bench comprises a test bench 1, a controller 2 fixed on the test bench 1, a tested driving motor 3, an accompanied testing driving motor 4, a coupler 5, a tested driving motor controller 6 and a high-low temperature test box 7.
The high-low temperature test box 7 has a temperature change rule in an atmospheric environment, and is suitable for high-temperature and low-temperature reliability tests of industrial products. In this embodiment, the high-low temperature test box 7 is used for simulating the temperature and humidity working condition when the electric vehicle operates.
The tested driving motor 3 and the accompanied testing driving motor 4 are connected together through a shaft coupling 5.
The tested driving motor 3 is sealed in the high-low temperature test box 7 during the test process.
The accompanied test driving motor 4 is used for outputting a rotating speed value required by the test so as to control the tested driving motor 3 to be at a target rotating speed.
The tested driving motor controller 6 is used for receiving the torque signal sent by the controller 2 so as to control the tested driving motor 6 to output the required torque working condition requirement.
The tested driving motor 6 is used for providing the required torque working condition requirement and is a tested object of the whole testing system.
The controller 2 is respectively connected to the driving motor 3 to be tested, the accompanying driving motor 4, the driving motor controller 6 to be tested and the high-low temperature test box 7.
The controller 2 is configured with the following test control flows:
and S1, controlling the temperature in the high-low temperature test chamber 7 within a preset first temperature range.
And S2, controlling the testing drive motor 4 and the tested drive motor controller 6 to enable the tested drive motor 3 to operate at the highest rotation speed and rated power for a preset first time.
And S3, controlling the testing drive motor 4 and the tested drive motor controller 6 to enable the tested drive motor 3 to run at the rated speed and the rated power for a preset second time.
S4, repeating the operations of S2 and S3 according to the preset number of cycles.
And S5, after the circulation is finished, controlling the tested driving motor 3 to stop running, and finishing the test process.
Further, the system further comprises a cooling device, and the cooling device is used for supplying a preset flow of cooling liquid to the tested driving motor 3 in the testing process. The temperature of the driving motor 3 to be measured is enabled to reach the temperature range of the required working condition by adjusting the temperature and the flow of the cooling liquid, wherein the cooling liquid is selected from anti-freezing liquid which can not be crystallized at the temperature of minus 40 ℃.
The following are embodiments of methods of the present application that may be used to implement embodiments of the systems of the present application described above. For details which are not disclosed in the method embodiments of the present application, reference is made to the system embodiments of the present application.
The second embodiment of the application discloses a method for testing the condensate water resistance of an electric automobile driving motor, wherein the method is applied to a controller 2, and the controller 2 is positioned in the condensate water resistance testing system of the electric automobile driving motor in the first embodiment of the application.
Before the test begins, will be surveyed driving motor 3 and install to on test rack 1, will be surveyed driving motor 3 and accompany and survey driving motor 4 and link to each other through shaft coupling 5, connect communication pencil, high-pressure three-phase pencil and cooling water route after, do sealed work. And then, the air tightness of the tested driving motor 3 is detected, the tested driving motor 3 is covered by the high-low temperature test box 7 after the air tightness test is qualified, the high-low temperature test box 7 is sealed, and the test can be carried out only by ensuring that the air inside and outside the high-low temperature test box 7 can not be communicated.
Referring to a schematic work flow diagram shown in fig. 2, the method for testing the anti-condensation performance of the electric vehicle driving motor comprises the following steps:
and S1, controlling the temperature in the high-low temperature test chamber 7 to be within a preset first temperature range.
And S2, controlling the tested driving motor 4 and the tested driving motor controller 6 to enable the tested driving motor 3 to run at the highest rotating speed and rated power for a preset first time.
And S3, controlling the testing drive motor 4 and the tested drive motor controller 6 to enable the tested drive motor 3 to run at the rated speed and the rated power for a preset second time.
In actual operation, the tested driving motor 3 provides a required torque value, and the tested driving motor 3 operates under the required power by controlling the tested driving motor 4 to provide the required rotating speed value.
S4, repeating the operations of S2 and S3 according to the preset number of cycles. In one embodiment, the number of cycles is six.
And S5, after the circulation is finished, controlling the tested driving motor 3 to stop running, and finishing the test process.
Further, in the process of executing step S2, the method further includes:
and regulating the flow of the cooling liquid by controlling a cooling device to ensure that the temperature of the detected driving motor 3 is stabilized in a preset second temperature range within a preset third time period, wherein the third time period is shorter than the first time period.
Further, in the process of executing step S3, the method further includes:
and regulating the flow of the cooling liquid by controlling the cooling device to ensure that the temperature of the detected driving motor 3 is stabilized within a preset third temperature range within a preset third time period.
Further, the first time period is three hours, the second time period is two hours, and the third time period is one hour.
The second temperature range is T1±2℃，T1The temperature value is obtained by subtracting 10 ℃ from the maximum allowable temperature of the driving motor 3 to be measured.
The third temperature range is T2±2℃，T2Is T1Minus the value of 40 c.
The temperature variation of the tested drive motor during the whole test is shown in FIG. 3, T0And T0' indicates the temperature at which the driving motor to be measured is at rest and the temperature after the driving motor to be measured is left to stand for 4 hours, respectively.
Further, the controlling the temperature in the high-low temperature test chamber 7 within the preset first temperature range includes:
and adjusting the temperature of the high-low temperature test box 7 to be within a preset first temperature range within a preset fourth time period, wherein the fourth time period is one hour, and the first temperature range is minus 40 +/-2 ℃.
And controlling the temperature of the high-low temperature test box 7 to be always stabilized in a preset first temperature range within a preset fifth time, wherein the fifth time is four hours.
Further, the method further comprises:
in the testing process, if the electric automobile driving motor anti-condensation water testing system has an insulation fault, the tested driving motor 3 is judged to have unqualified anti-condensation water performance.
Further, after controlling the tested driving motor 3 to stop running and ending the testing process, the method further includes:
and judging whether condensed water exists in the junction box of the detected driving motor 3 and detecting whether the three-phase insulation resistance is qualified within a preset sixth time, wherein the sixth time is 5 minutes.
And if the condensate water exists in the junction box of the tested driving motor 3, or if the three-phase insulation resistance is detected to be unqualified, judging that the condensate water resistance of the tested driving motor 3 is unqualified.
In actual operation, the tested driving motor 3 is stopped, the high-low temperature test box 7 is opened immediately, the junction box of the tested driving motor 3 is disassembled, whether condensed water exists in the junction box is observed, and whether the three-phase insulation resistance is qualified is measured by using an insulation test meter.
Specifically, when judging whether the condensate water resistance of the tested driving motor meets the design requirement, if no condensate water exists in the junction box and the three-phase insulation resistance is tested to be qualified, the condensate water resistance of the tested driving motor meets the design requirement; if the condensed water or the three-phase insulation resistance in the junction box is unqualified, the condensed water resistance of the tested driving motor is not satisfied with the design requirement. And when an insulation fault occurs in the operation process of the test system, the condensate water resistance of the tested driving motor is also shown to be not meet the design requirement.
In the process of step S2, if the measured driving motor 3 is at the highest rotation speed and the output torque is zero, the temperature of the measured driving motor 3 continuously rises and exceeds the highest allowable temperature of the measured driving motor 3, which cannot be stabilized, and the rotation speed may be decreased until the temperature of the measured driving motor 3 can be stabilized.
In the process of executing steps S2 and S3, if the output limit of the cooling device is reached and the required temperature of the driving motor 3 to be measured is still not reached, the cooling device is set at the output limit, and the required temperature of the driving motor 3 to be measured is reached by adjusting the output power of the driving motor 3 to be measured. In these two steps, the output torque of the drive motor 3, which is measured at the beginning, decreases with the increase of the temperature, and when the output torque decreases, the output torque is maintained by appropriately increasing the input torque, thereby keeping the output power constant.
The embodiment of the application discloses anti comdenstion water capability test system of electric automobile driving motor and method fills the blank in this technical field, can regard as the verification of the anti comdenstion water research and development design effect of driving motor, need not to transport to the low temperature area after the driving motor loading experimental, only need install on the test bench that has high low temperature test box, and the principle is simple, maneuverability is high, reduces the cost of labor, shortens test cycle, and any area, all the year round can be tested.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (10)
1. The utility model provides an anti comdenstion water capability test system of electric automobile driving motor which characterized in that includes: the device comprises a test bench (1), a controller (2) fixed on the test bench (1), a tested driving motor (3), a test accompanying driving motor (4), a coupler (5), a tested driving motor controller (6) and a high-low temperature test box (7);
the tested driving motor (3) and the accompanied testing driving motor (4) are connected together through a shaft coupling (5);
the tested driving motor (3) is sealed in the high-low temperature test box (7) in the test process;
the accompanied test driving motor (4) is used for outputting a rotating speed value required by the test so as to control the tested driving motor (3) to be at a target rotating speed;
the controller (2) is respectively connected to the driving motor (3) to be tested, the accompanying driving motor (4), the driving motor controller (6) to be tested and the high-low temperature test box (7);
the controller (2) is configured with the following test control flows:
s1, controlling the temperature in the high-low temperature test box (7) within a preset first temperature range;
s2, controlling the testing drive motor (4) and the tested drive motor controller (6) to enable the tested drive motor (3) to operate at the highest rotation speed and rated power for a preset first time;
s3, controlling the testing drive motor (4) and the tested drive motor controller (6) to enable the tested drive motor (3) to operate at a rated rotation speed and a rated power for a preset second time;
s4, repeatedly executing the operations of S2 and S3 according to the preset cycle times;
and S5, after the circulation is finished, controlling the tested driving motor (3) to stop running, and finishing the test process.
2. The condensate water resistance performance test system of the electric automobile driving motor according to claim 1, characterized in that the system further comprises a cooling device for supplying a preset flow of cooling liquid to the driving motor (3) to be tested during the test.
3. A method for testing the anti-condensation performance of a driving motor of an electric vehicle, which is characterized by being applied to a controller (2), wherein the controller (2) is located in the anti-condensation testing system of the driving motor of the electric vehicle according to any one of claims 1-2, and the method comprises the following steps:
s1, controlling the temperature in the high-low temperature test box (7) within a preset first temperature range;
s2, controlling the tested driving motor (4) and the tested driving motor controller (6) to enable the tested driving motor (3) to operate at the highest rotating speed and rated power for a preset first time;
s3, controlling the testing drive motor (4) and the tested drive motor controller (6) to enable the tested drive motor (3) to operate at a rated rotation speed and a rated power for a preset second time;
s4, repeatedly executing the operations of S2 and S3 according to the preset cycle times;
and S5, after the circulation is finished, controlling the tested driving motor (3) to stop running, and finishing the test process.
4. The method for testing the condensed water resistance performance of the driving motor of the electric automobile according to claim 3, wherein in the process of executing step S2, the method further comprises:
and regulating the flow of the cooling liquid by controlling a cooling device to ensure that the temperature of the detected driving motor (3) is stabilized in a preset second temperature range within a preset third time period, wherein the third time period is shorter than the first time period.
5. The method for testing the condensed water resistance performance of the driving motor of the electric automobile according to claim 4, wherein in the process of executing the step S3, the method further comprises:
and regulating the flow of the cooling liquid by controlling the cooling device to ensure that the temperature of the driving motor (3) to be measured is stabilized within a preset third temperature range within a preset third time period.
6. The method for testing the condensed water resistance of the driving motor of the electric automobile according to claim 5, wherein the first time period is three hours, the second time period is two hours, and the third time period is one hour;
the second temperature range is (T)1±2)℃，T1Is the highest permission of the tested driving motor (3)Subtracting the temperature value obtained by 10 ℃ from the temperature;
the third temperature range is (T)2±2)℃，T2Is T1Minus the value of 40 c.
7. The test method for the condensate water resistance performance of the driving motor of the electric automobile according to claim 3, wherein the controlling the temperature in the high-low temperature test chamber (7) within a preset first temperature range comprises:
adjusting the temperature of the high-low temperature test chamber (7) to be within a preset first temperature range within a preset fourth time period, wherein the fourth time period is one hour, and the first temperature range is (-40 +/-2) DEG C;
and controlling the temperature of the high-low temperature test box (7) to be always stabilized in a preset first temperature range within a preset fifth time, wherein the fifth time is four hours.
8. The method for testing the condensed water resistance of the driving motor of the electric automobile according to claim 3, further comprising:
in the testing process, if the electric automobile driving motor anti-condensation water testing system has an insulation fault, the anti-condensation water performance of the tested driving motor (3) is judged to be unqualified.
9. The test method for the condensed water resistance of the driving motor of the electric automobile according to claim 8, wherein after the driving motor (3) to be tested is controlled to stop running and the test process is finished, the method further comprises the following steps:
judging whether condensed water exists in a junction box of the driving motor (3) to be detected or not within a preset sixth time, and detecting whether the three-phase insulation resistance is qualified or not, wherein the sixth time is 5 minutes;
and if the condensate water exists in the junction box of the tested driving motor (3) or if the three-phase insulation resistance is detected to be unqualified, judging that the condensate water resistance of the tested driving motor (3) is unqualified.
10. The method for testing the condensed water resistance of the driving motor of the electric automobile according to claim 3, wherein the number of the cycles is six in the process of executing the step S4.
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| CN112798035A (en) * | 2021-04-09 | 2021-05-14 | 禾美(浙江)汽车股份有限公司 | Condensate water resistance performance test system and method for new energy automobile driving motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100162828A1 (en) * | 2008-12-26 | 2010-07-01 | Foxnum Technology Co., Ltd. | Testing system and method for motor |
| CN102928780A (en) * | 2012-11-05 | 2013-02-13 | 永济新时速电机电器有限责任公司 | Step-in type motor load testing hot and damp box |
| CN106324498A (en) * | 2015-06-30 | 2017-01-11 | 湖南南车时代电动汽车股份有限公司 | Method of testing motor driving system |
| CN110398688A (en) * | 2019-07-31 | 2019-11-01 | 重庆长安新能源汽车科技有限公司 | A kind of New energy automobile motor Performance Test System |
| CN110907823A (en) * | 2019-11-04 | 2020-03-24 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Real-time acquisition system and method for servo motor test data |
-
2020
- 2020-10-28 CN CN202011169953.2A patent/CN112327155A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100162828A1 (en) * | 2008-12-26 | 2010-07-01 | Foxnum Technology Co., Ltd. | Testing system and method for motor |
| CN102928780A (en) * | 2012-11-05 | 2013-02-13 | 永济新时速电机电器有限责任公司 | Step-in type motor load testing hot and damp box |
| CN106324498A (en) * | 2015-06-30 | 2017-01-11 | 湖南南车时代电动汽车股份有限公司 | Method of testing motor driving system |
| CN110398688A (en) * | 2019-07-31 | 2019-11-01 | 重庆长安新能源汽车科技有限公司 | A kind of New energy automobile motor Performance Test System |
| CN110907823A (en) * | 2019-11-04 | 2020-03-24 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Real-time acquisition system and method for servo motor test data |
Non-Patent Citations (2)
| Title |
|---|
| 广州电器科学研究院所特殊电器室: "电机湿热试验周期的选择(初稿)", 《特殊电工》 * |
| 钱仲毅: "HS14263―01R型牵引电动机试验结果分析", 《电力机车技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798035A (en) * | 2021-04-09 | 2021-05-14 | 禾美(浙江)汽车股份有限公司 | Condensate water resistance performance test system and method for new energy automobile driving motor |
| CN112798035B (en) * | 2021-04-09 | 2021-07-23 | 禾美(浙江)汽车股份有限公司 | Condensate water resistance performance test system and method for new energy automobile driving motor |
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