CN217766740U - Motor EMC load testing device - Google Patents
Motor EMC load testing device Download PDFInfo
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- CN217766740U CN217766740U CN202122298905.XU CN202122298905U CN217766740U CN 217766740 U CN217766740 U CN 217766740U CN 202122298905 U CN202122298905 U CN 202122298905U CN 217766740 U CN217766740 U CN 217766740U
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- guide rail
- adjusting screw
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Abstract
The application relates to a motor EMC load test device relates to motor performance test's field, and it includes the base and sets up first mounting panel and second mounting panel on the base, be provided with the loader on the second mounting panel, the loader is permanent magnet damper, and the motor that awaits measuring is fixed on the first mounting panel, the loader is used for connecting with the motor that awaits measuring, applys the operation load to the motor that awaits measuring. When the permanent magnet damper applies load to the motor to be tested, electromagnetic interference generated by the motor to be tested is not easy to treat, and accuracy of EMC test data of the motor to be tested is further guaranteed.
Description
Technical Field
The application relates to the field of motor performance testing, in particular to a motor EMC load testing device.
Background
The EMC test of the new energy automobile is used as a test which influences the driving safety and reliability of the whole automobile, and is the key point of research and development, detection and authentication and industrial development of new energy automobile products. At present, electronic and electric parts and electric control parts mounted on automobiles must pass the test conforming to the electromagnetic compatibility of automobile electronics.
According to the related EMC load test of the motor, the motor to be tested is mechanically connected with the load motor or the magnetic powder brake through the coupler, the load motor or the magnetic powder brake provides resistance to the running of the motor to be tested, and the running state of the motor to be tested in the load state is simulated, so that the motor compatibility of the motor to be tested in the load state is detected.
In view of the above-mentioned related technologies, the inventor thinks that a related load device such as a load motor or a magnetic particle brake needs to be powered on when providing a load, and when the load motor or the magnetic particle brake is in operation, the current and voltage changes therein will generate radiation interference, thereby affecting the accuracy of the electromagnetic compatibility data of the motor to be tested.
SUMMERY OF THE UTILITY MODEL
In order to improve the accuracy of the electromagnetic compatibility performance test of the motor, the application provides a motor EMC load testing device.
The application provides a motor EMC load test device adopts following technical scheme:
the utility model provides a motor EMC load test device, includes the base and sets up first mounting panel and the second mounting panel on the base, be provided with the loader on the second mounting panel, the loader is permanent magnetism attenuator, and the motor that awaits measuring is fixed on the first mounting panel, the loader is used for and awaits measuring the motor and connects, applys the operational load to the motor that awaits measuring.
Through adopting above-mentioned technical scheme, to await measuring the motor and fix on first mounting panel, the output shaft that will await measuring the motor is connected fixedly with permanent magnetic damper's output shaft, and permanent magnetic damper treats that the motor that awaits measuring exerts the operational load, and permanent magnetic damper is when exerting the load to the motor that awaits measuring, and permanent magnetic damper need not be switched on to the permanent magnetic damper is difficult for treating the production electromagnetic interference of motor that awaits measuring, and then ensures the accuracy of the EMC test data of the motor that awaits measuring.
Preferably, first mounting panel and second mounting panel all with base fixed connection.
Through adopting above-mentioned technical scheme, first mounting panel and second mounting panel are more firm with being connected of base, and the motor that awaits measuring when the operation, tremble is less, ensures the stability of being connected between permanent magnet damper and the motor that awaits measuring.
Preferably, first mounting panel and base slide to be connected, be provided with adjusting part between first mounting panel and the base, adjusting part is used for adjusting the distance between first mounting panel to the second mounting panel.
Through adopting above-mentioned technical scheme, first mounting panel and base slide and connect to adjust the interval between first mounting panel and the second mounting panel through adjusting part, make the EMC test that is applicable to the motor of different models that this testing arrangement can be better, can adjust the interval between first mounting panel to the second mounting panel according to the length of the output shaft of the motor that awaits measuring.
Preferably, adjusting part includes adjusting screw, the groove of sliding has been seted up on the base, adjusting screw is located the inslot that slides, just adjusting screw rotates with the base to be connected, be fixed with the nut piece on the first mounting panel, the nut piece is located the inslot that slides, adjusting screw wears to establish in the nut piece, adjusting screw and nut piece threaded connection.
Through adopting above-mentioned technical scheme, through rotating adjusting screw, adjusting screw drives the nut piece along adjusting screw's axial displacement, and then the nut piece drives first mounting panel and moves towards the direction that is close to or keeps away from the second mounting panel to realize the regulation of the interval between first mounting panel to the second mounting panel.
Preferably, the adjusting part still includes rotatable parts, rotatable parts is used for driving adjusting screw and rotates, rotatable parts includes worm wheel, worm and turning handle, worm wheel and adjusting screw are coaxial fixed, the worm wears to establish in the base, the worm rotates with the base to be connected, the worm be close to the one end of first mounting panel wear out the base and with turning handle fixed connection.
Through adopting above-mentioned technical scheme, drive the worm through twist grip and rotate, the worm meshes with the worm wheel mutually, then the worm drives the worm wheel and rotates, and the worm wheel drives adjusting screw and rotates to adjusting screw passes through the nut piece and drives first mounting panel and remove, makes adjusting screw's rotation more convenient, and twist grip is located the top of base relatively, is also difficult for causing the hindrance to placing of base, and the structure is more reasonable.
Preferably, the one side that the base is close to first mounting panel is fixed with the guide rail strip, the direction extension setting of perpendicular to second mounting panel is followed to the guide rail strip, set up the notch that supplies the guide rail strip to pass on the first mounting panel.
Through adopting above-mentioned technical scheme, first mounting panel slides through the guide rail strip and is connected with the base, and the guide rail strip plays the guide effect to the removal of first mounting panel to make the connection between first mounting panel and the base more firm.
Preferably, be fixed with the connecting plate on the first mounting panel, the connecting plate is located the top of guide rail strip, be provided with the retaining member between connecting plate and the guide rail strip, the retaining member is used for relatively fixed between connecting plate and the guide rail strip.
Through adopting above-mentioned technical scheme, be provided with the retaining member between connecting plate and the guide rail strip, through the retaining member with relative fixation between connecting plate and the guide rail strip, make relative fixation between first mounting panel and the guide rail strip then to improve the stability between first mounting panel and the base, improve the stability of the motor that awaits measuring when the load operates.
Preferably, the retaining member includes slider, connecting rod and lock nut, the spout has been seted up to the one side that the base was kept away from to the guide rail strip, the slider is located the spout, the slider slides through spout and guide rail strip and is connected, the connecting rod is worn to establish on the connecting plate, the one end and the slider fixed connection of connecting rod, the other end and the lock nut threaded connection of connecting rod.
By adopting the technical scheme, when the first mounting plate slides on the base, the first mounting plate drives the locking piece to slide on the guide rail strip through the connecting plate, and the locking piece is not easy to generate interference resistance on the movement of the first mounting plate; after the position of first mounting panel has been adjusted, through the lock nut of screwing, make lock nut and connecting plate butt to lock the fastening with connecting plate and guide rail strip and fix, and then improve the stability of being connected between first mounting panel and the base.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the permanent magnet damper, when the permanent magnet damper applies load to the motor to be tested, the permanent magnet damper does not need to be electrified, so that the permanent magnet damper is not easy to generate electromagnetic interference on the motor to be tested, and the accuracy of EMC test data of the motor to be tested is further ensured;
2. through setting up adjusting part, can adjust the interval between first mounting panel and the second mounting panel according to the length of the output shaft of the motor that awaits measuring for the EMC test that is applicable to the motor of different models that this testing arrangement can be better.
Drawings
Fig. 1 is a schematic overall structure diagram of an EMC load testing apparatus for a motor in embodiment 1 of the present application.
Fig. 2 is a schematic overall structure diagram of an EMC load testing apparatus for a motor in embodiment 2 of the present application.
Fig. 3 is a partial sectional view for embodying a rotating member according to embodiment 2 of the present application.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a partially enlarged view of a portion B in fig. 3.
Description of the reference numerals: 1. a base; 11. a guide rail bar; 111. a chute; 12. a sliding groove; 2. a first mounting plate; 21. a notch; 22. a connecting plate; 23. a locking member; 231. a slider; 232. a connecting rod; 233. locking the nut; 3. a second mounting plate; 4. a permanent magnet damper; 5. an adjustment assembly; 51. adjusting the screw rod; 52. a nut block; 53. a rotating member; 531. a worm gear; 532. a worm; 533. rotating the handle; 6. and (6) a motor to be tested.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Example 1
The embodiment of the application discloses motor EMC load testing arrangement. Referring to fig. 1, an EMC load testing apparatus for a motor includes a base 1, a first mounting plate 2, a second mounting plate 3, and a loader. First mounting panel 2 and second mounting panel 3 are parallel to each other, and first mounting panel 2 and the equal welding of second mounting panel 3 or bolted connection on base 1, and in this embodiment, the equal perpendicular welded fastening of first mounting panel 2 and second mounting panel 3 is on base 1.
Referring to fig. 1, the load is fixed on the surface of the second mounting plate 3 away from the first mounting plate 2 by bolts, the load is a permanent magnet damper 4, in this embodiment, the permanent magnet damper 4 is an MTB-07 permanent magnet damper, and one end of an output shaft of the permanent magnet damper 4, which faces the first mounting plate 2, penetrates out of the second mounting plate 3. When carrying out EMC load test, the motor 6 that awaits measuring passes through the bolt fastening and keeps away from the one end of second mounting panel 3 at first mounting panel 2, sets up the connecting hole that supplies the output shaft of the motor 6 that awaits measuring to wear out on first mounting panel 2, and the output shaft of the motor 6 that awaits measuring and permanent magnet damper 4's output shaft coaxial line, and connect fixedly through the shaft coupling between the output shaft of the motor 6 that awaits measuring and the permanent magnet damper 4.
The implementation principle of the embodiment 1 of the application is as follows: permanent magnetic damper 4 is connected with the motor 6 that awaits measuring, and permanent magnetic damper 4 treats that motor 6 that awaits measuring applys the running load, and permanent magnetic damper 4 is when exerting the load to the motor 6 that awaits measuring, and permanent magnetic damper 4 need not be switched on, compares in load motor or magnetic powder stopper, and permanent magnetic damper 4 is difficult for producing extra electromagnetic interference to the motor 6 that awaits measuring, and then ensures the accuracy of the EMC test data of the motor 6 that awaits measuring.
Example 2
Referring to fig. 2 and 3, the embodiment of the present application differs from embodiment 1 in that: first mounting panel 2 slides with base 1 and is connected, is provided with adjusting part 5 between first mounting panel 2 and the second mounting panel 3 for adjust first mounting panel 2 to second mounting panel 3's interval. Thereby this testing arrangement can adjust the interval of first mounting panel 2 to second mounting panel 3 according to the length of the output shaft of the motor 6 that awaits measuring for this testing arrangement can be better be applicable to the EMC test of the motor of different models.
Referring to fig. 2 and 3, a sliding groove 12 is formed in the top wall of the base 1, the adjusting assembly 5 includes an adjusting screw 51, a nut block 52 and a rotating component 53, the adjusting screw 51 is located in the sliding groove 12, the adjusting screw 51 is rotatably connected with the base 1, and the axial direction of the adjusting screw 51 is perpendicular to the first mounting plate 2. The nut block 52 is positioned in the sliding groove 12, and the nut block 52 is fixedly connected with the first mounting plate 2. The adjusting screw 51 is inserted into the nut block 52, and the adjusting screw 51 is in threaded connection with the nut block 52. Rotatable part 53 installs on base 1, and rotatable part 53 is connected with adjusting screw 51, and rotatable part 53 is used for driving adjusting screw 51 and rotates, and adjusting screw 51 drives nut block 52 along adjusting screw 51's axial displacement to nut block 52 drives first mounting panel 2 and moves towards the direction that is close to or keeps away from second mounting panel 3, realizes the adjustment of the interval between first mounting panel 2 to the second mounting panel 3.
Referring to fig. 3 and 4, the turning member 53 includes a worm wheel 531, a worm 532, and a turning handle 533, the worm wheel 531 is located at an end of the adjustment screw 51 remote from the second mounting plate 3, and the worm wheel 531 is coaxially fixed with the adjustment screw 51. The worm 532 is located on one side of the worm wheel 531, the worm 532 is meshed with the worm wheel 531, the worm 532 vertically penetrates through the base 1, and the worm 532 is rotatably connected with the base 1. The one end of worm 532 wears out base 1's roof and with turning handle 533 welded fastening to drive worm 532 through turning handle 533 and rotate, worm 532 drives worm wheel 531 and rotates, worm wheel 531 drives adjusting screw 51 and rotates, then realize the removal to first mounting panel 2, improved the pivoted convenience to adjusting screw 51, and turning handle 533 is located base 1's top relatively, make this testing arrangement when using, turning handle 533 is difficult for causing the interference to base 1's installation.
Referring to fig. 3 and 5, two parallel guide rails 11 are fixed on one surface of the base 1 close to the first mounting plate 2, the two guide rails 11 are located on two sides of the sliding slot 12, and the length direction of the guide rails 11 is perpendicular to the first mounting plate 2. Offer the notch 21 of each guide rail strip 11 looks adaptation on the first mounting panel 2, guide rail strip 11 passes from the notch 21, and first mounting panel 2 slides through guide rail strip 11 and base 1 and is connected, and guide rail strip 11 plays the guide effect to the removal of first mounting panel 2 to improve the stability of connecting between first mounting panel 2 and the base 1.
Referring to fig. 3 and 5, two connecting plates 22 are fixed on one side of the first mounting plate 2 away from the second mounting plate 3, the connecting plates 22 correspond to the guide rail strips 11 one by one, the connecting plates 22 are located at the tops of the guide rail strips 11 relatively, and locking pieces 23 are arranged between the connecting plates 22 and the guide rail strips 11. Retaining member 23 includes slider 231, connecting rod 232 and lock nut 233, spout 111 has been seted up along the length direction of self to the one side that base 1 was kept away from to rail strip 11, the cross sectional shape of spout 111 is for falling "T" shape, slider 231 and spout 111 looks adaptation, slider 231 is located spout 111, connecting rod 232 wears to establish in connecting plate 22, one end and slider 231 fixed connection that connecting rod 232 is close to the guide rail, the other end and the lock nut 233 threaded connection of connecting rod 232. After the position adjustment of first mounting panel 2 is good, through rotatory lock nut 233 for lock nut 233 and connecting plate 22 butt, thereby with connecting plate 22 and guide rail strip 11 relatively fixed, thereby improve the stability of being connected between first mounting panel 2 and the base 1, when the motor 6 that awaits measuring then moves on first mounting panel 2, the tremble range of the motor 6 that awaits measuring is less, guarantee test process's steady operation.
The implementation principle of embodiment 2 of the present application is as follows: the staff can be according to the difference of the length of the output shaft of the motor 6 that awaits measuring, adjusts the interval between first mounting panel 2 and the second mounting panel 3 through adjusting part 5 for this testing arrangement can be better be applicable to the EMC test of the motor of different models. After the position adjustment of first mounting panel 2, consolidate being connected between first mounting panel 2 and the base 1 through retaining member 23, when the motor 6 that awaits measuring moves on first mounting panel 2, the tremble range of the motor 6 that awaits measuring is less, ensures the steady operation of EMC test.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a motor EMC load test device which characterized in that: including base (1) and first mounting panel (2) and the second mounting panel (3) of setting on base (1), be provided with the loader on second mounting panel (3), the loader is permanent magnetism attenuator (4), and the motor (6) that awaits measuring are fixed on first mounting panel (2), the loader is used for being connected with the motor (6) that awaits measuring, applys the operation load to the motor (6) that awaits measuring.
2. An EMC load testing device for an electrical machine according to claim 1, characterized in that: first mounting panel (2) and second mounting panel (3) all with base (1) fixed connection.
3. An electrical machine EMC load testing arrangement according to claim 2, characterized in that: first mounting panel (2) and base (1) slide and connect, be provided with between first mounting panel (2) and base (1) adjusting part (5), adjusting part (5) are used for adjusting the distance between first mounting panel (2) to second mounting panel (3).
4. An EMC load testing device for an electrical machine according to claim 3, characterized in that: adjusting part (5) includes adjusting screw (51), groove (12) of sliding has been seted up on base (1), adjusting screw (51) are located groove (12) of sliding, just adjusting screw (51) rotate with base (1) and are connected, be fixed with nut piece (52) on first mounting panel (2), nut piece (52) are located groove (12) of sliding, adjusting screw (51) wear to establish in nut piece (52), adjusting screw (51) and nut piece (52) threaded connection.
5. An electrical machine EMC load testing arrangement according to claim 4, characterized in that: adjusting part (5) still include rotatable parts (53), rotatable parts (53) are used for driving adjusting screw (51) and rotate, rotatable parts (53) include worm wheel (531), worm (532) and turning handle (533), worm wheel (531) and adjusting screw (51) coaxial fixation, worm (532) wear to establish in base (1), worm (532) rotate with base (1) and are connected, base (1) and turning handle (533) fixed connection are worn out to the one end that worm (532) is close to first mounting panel (2).
6. An electrical machine EMC load testing arrangement according to claim 4, characterized in that: one side that base (1) is close to first mounting panel (2) is fixed with guide rail strip (11), guide rail strip (11) extend the setting along the direction of perpendicular to second mounting panel (3), offer notch (21) that supply guide rail strip (11) to pass on first mounting panel (2).
7. An EMC load testing device for an electrical machine according to claim 6, characterized in that: be fixed with connecting plate (22) on first mounting panel (2), connecting plate (22) are located the top of guide rail strip (11), be provided with retaining member (23) between connecting plate (22) and guide rail strip (11), retaining member (23) are used for relatively fixed between connecting plate (22) and guide rail strip (11).
8. An electrical machine EMC load testing arrangement according to claim 7, characterized in that: retaining member (23) include slider (231), connecting rod (232) and lock nut (233), spout (111) have been seted up to the one side of keeping away from base (1) in guide rail strip (11), slider (231) are located spout (111), slider (231) slide through spout (111) and guide rail strip (11) and are connected, connecting rod (232) are worn to establish on connecting plate (22), the one end and slider (231) fixed connection of connecting rod (232), the other end and lock nut (233) threaded connection of connecting rod (232).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122298905.XU CN217766740U (en) | 2021-09-22 | 2021-09-22 | Motor EMC load testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122298905.XU CN217766740U (en) | 2021-09-22 | 2021-09-22 | Motor EMC load testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217766740U true CN217766740U (en) | 2022-11-08 |
Family
ID=83870039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122298905.XU Active CN217766740U (en) | 2021-09-22 | 2021-09-22 | Motor EMC load testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217766740U (en) |
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2021
- 2021-09-22 CN CN202122298905.XU patent/CN217766740U/en active Active
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Address after: No.158, Yangguang Road, Luoyang Town, Wujin District, Changzhou City, Jiangsu Province, 213000 Patentee after: Changzhou Duowei Electric Co.,Ltd. Address before: No.158, Yangguang Road, Luoyang Town, Wujin District, Changzhou City, Jiangsu Province, 213000 Patentee before: CHANGZHOU DUOWEI ELECTRIC Co.,Ltd. |