CN215728415U - Brushless current waveform measuring instrument - Google Patents
Brushless current waveform measuring instrument Download PDFInfo
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- CN215728415U CN215728415U CN202120814166.2U CN202120814166U CN215728415U CN 215728415 U CN215728415 U CN 215728415U CN 202120814166 U CN202120814166 U CN 202120814166U CN 215728415 U CN215728415 U CN 215728415U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 238000012423 maintenance Methods 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 238000012360 testing method Methods 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of test instruments, in particular to a brushless current waveform measuring instrument which comprises a base, a shell, a motor control panel, a computer, a power supply module, a current-voltage conversion module, a motor driving module, a channel switching module and a collecting module, wherein the shell is arranged at the upper end of the peripheral edge of the base, four sides of the lower end of the shell are fixedly connected with four side edges of the upper end of the base, the power supply module is arranged in a cavity of the base, the motor control panel is arranged at a trapezoidal cavity in the shell, the periphery of the motor control panel is connected with the inner wall of the cavity in the shell, the computer is arranged at the front side of the upper end of the shell, and the current-voltage conversion module, the motor driving module, the channel switching module and the collecting module are all arranged on the motor control panel. The utility model better solves the problems that the production efficiency is greatly reduced and the like because the device in the prior art needs a separate oscilloscope to measure the current waveform and the voltage waveform.
Description
Technical Field
The utility model relates to the technical field of testing instruments, in particular to a brushless current waveform measuring instrument.
Background
Chinese patent application No. CN201821624014.0 discloses a brushless motor tester, which includes a testing jig; the testing jig is vertically and convexly provided with a mounting plate, the testing jig comprises a motor clamp and a plurality of adjusting wheels, the motor clamp is vertically and fixedly arranged on the mounting plate, a groove is formed in the motor clamp, a motor to be tested is placed in the groove, the plurality of adjusting wheels are respectively and fixedly arranged on the testing jig, and the adjusting wheels are used for adjusting the position of the motor to be tested; a machine pedestal; the machine table seat comprises a machine table outer cover, a brake and an optical fiber sensing part, the brake is vertically and fixedly arranged on the machine table outer cover, the optical fiber sensing part vertically penetrates through and is fixedly arranged on the machine table outer cover, and the brake is provided with the brake shaft; a rotational speed recognition wheel; a motor shaft of the motor to be tested penetrates through the rotating speed identification wheel, and when the brushless motor tester works, the optical fiber sensing piece is aligned to the rotating speed identification wheel; a connecting shaft; the motor shaft of the motor to be tested penetrates through the connecting shaft, and the brake shaft penetrates through the connecting shaft, so that the brake and the motor can be connected to synchronously rotate.
However, in the prior art, the voltage probe and the current probe are adopted by the single oscilloscope for measuring the current waveform and the voltage waveform of the brushless motor, so that the working efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a brushless current waveform measuring instrument which is used for solving the problems that the current waveform and the voltage waveform cannot be directly measured in the prior art and the like:
in order to solve the technical problems, the utility model adopts the following technical scheme:
a brushless current waveform measuring instrument comprises a base, a shell, a motor control panel, a computer, a power module, a current-voltage conversion module, a motor driving module, a channel switching module and an acquisition module, wherein the base is in a rectangular plate-shaped structure, the shell is arranged at the upper end of the peripheral edge of the base, the shell is in a lower end trapezoidal cavity structure, the upper end of the shell is in a rectangular cavity structure, four sides of the lower end of the shell are fixedly connected with four side edges of the upper end of the base, the power module is arranged in the cavity of the base and is in a cuboid shape, the bottom end of the power module is fixedly connected with the upper end of the base, the motor control panel is arranged in the trapezoidal cavity in the shell and is in a rectangular circuit board structure, the periphery of the motor control panel is connected with the inner wall of the cavity in the shell, the computer is arranged at the front side of the upper end of the shell, computer screen embedding shell front end, current-voltage conversion module, motor drive module, passageway switching module and collection module all locate on the motor control board, current-voltage conversion module and motor drive module all locate the motor control board left side and with motor control board electrical connection, the motor control board right side is all located to passageway switching module and collection module, passageway switching module and collection module all with motor control board electrical connection, shell left side wall lower extreme is equipped with power source, power source and shell outer wall fixed connection, power source rear end and power source electrical connection.
Furthermore, the input end of the current-voltage conversion module is electrically connected with the channel switching module, the output end of the current-voltage conversion module is electrically connected with the channel switching module, the current-voltage module is electrically connected with the motor driving module, the acquisition module is electrically connected with the channel switching module, and the acquisition module is connected with a computer through a USB.
Furthermore, the front side of the lower end of the shell is provided with a tested motor interface, the tested motor interface is a rectangular interface, and two ends of the tested motor interface are fixedly connected with the front wall of the lower end of the shell.
Furthermore, the rear end of the tested motor interface is communicated with the cavity in the shell, and the rear end of the tested motor interface is electrically connected with a current-voltage conversion module arranged on the motor control board.
Furthermore, an ammeter is arranged on the outer wall of the shell above the tested motor interface, the ammeter is of a rectangular dial structure, two ends of the ammeter are fixedly connected with the outer wall of the shell, and a power supply end of the ammeter is connected with an outlet of the power supply module.
Further, the ammeter right side is equipped with a plurality of control button, control button presents for cylindrical button structure, control button lower extreme and shell outer wall fixed connection, control button rear end and motor control panel electrical connection.
Furthermore, four corners of the lower end of the base are provided with supporting legs, the supporting legs are of inverted cone structures, and the upper ends of the supporting legs are fixedly connected with the lower end of the base.
Furthermore, a plurality of heat dissipation holes are formed in the power module inside the shell and in the positions corresponding to the computer, the heat dissipation holes are rectangular strip holes, and the heat dissipation holes are embedded into the outer wall of the shell.
Furthermore, the connection position of the side surface of the motor control panel and the inner wall of the shell is provided with a mounting hole, and the motor control panel is fixedly connected with the inner wall of the shell through the mounting hole.
Furthermore, shell upper end outer wall department is equipped with the maintenance door, the maintenance door presents for the rectangle door structure, maintenance door one end is connected with the shell outer wall rotation.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model comprises a base, a shell, a motor control panel, a computer and a power module, wherein the base provides support for the whole device, the shell provides installation positions for parts of the whole device, the motor control panel is provided with a current-voltage conversion module, a motor driving module, a channel switching module and an acquisition module which are all electrically connected with the motor control panel, the power module arranged at the upper end of the base supplies power for the whole device, the motor driving module controls a motor externally connected with a tested motor interface to work, the current-voltage conversion module converts passed three-phase current into voltage signals and then transmits the voltage signals to the channel switching module, meanwhile, the output end of the current-voltage conversion module also transmits the three-phase voltage signals to the channel switching module, the software of the computer controls the acquisition module through a USB (universal serial bus), the channel switching module is controlled through the acquisition module, and voltage waveforms or current waveforms are measured according to requirements, the acquisition module transmits data to a computer through an internal ADC (analog to digital converter) through a USB (universal serial bus), and finally the computer displays a three-phase waveform through upper computer software, and the upper computer software automatically corrects the data to display the waveform through calculation so as to achieve the effect of braking adjustment.
The device realizes artificial intelligence measurement, solves the problems of complex operation, high technical requirements on operators and the like, and improves the production efficiency.
The utility model better solves the problems that the device in the prior art can not independently measure the voltage waveform and the current waveform of the motor, and the like.
Drawings
FIG. 1 is a schematic diagram of a motor control board circuit of a brushless current waveform measuring apparatus according to the present invention
FIG. 2 is a schematic diagram of an overall structure of a brushless current waveform measuring apparatus according to the present invention;
FIG. 3 is a side view of a brushless current waveform measuring apparatus according to the present invention;
FIG. 4 is a schematic diagram of an internal structure of a brushless current waveform measuring apparatus according to the present invention;
reference numerals referred to in the drawings are:
a base 1; a housing 2; a motor control board 3; a computer 4; a power supply module 5; a current-voltage conversion module 6; a motor drive module 7; a channel switching module 8; an acquisition module 9; an ammeter 10; a tested motor interface 11; a heat dissipation hole 12; supporting legs 13; a service door 14; a control button 15; mounting holes 16 and a power supply interface 17.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described in conjunction with the accompanying drawings and examples:
the first embodiment is as follows:
as shown in fig. 1-4, a brushless current waveform measuring apparatus comprises a base 1, a housing 2, a motor control board 3, a computer 4, a power module 5, a current-voltage conversion module 6, a motor driving module 7, a channel switching module 8 and an acquisition module 9, wherein the base 1 is a rectangular plate-shaped structure, the housing 2 is arranged at the upper end of the peripheral edge of the base 1, the housing 2 is a trapezoidal cavity structure at the lower end and a rectangular cavity structure at the upper end, four sides of the lower end of the housing 2 are fixedly connected with four side edges of the upper end of the base 1, the power module 5 is arranged in the cavity of the base 1, the power module 5 is a cuboid, the bottom end of the power module 5 is fixedly connected with the upper end of the base 1, the motor control board 3 is arranged at the trapezoidal cavity inside the housing 2, the motor control board 3 is a rectangular circuit board structure, and the periphery of the motor control board 3 is connected with the inner wall of the cavity inside the housing 2, 2 upper ends front sides of shell are equipped with computer 4, 2 front ends of 4 screen embedding shells of computer, current-voltage conversion module 6, motor drive module 7, motor control panel 3 is all located on channel switching module 8 and collection module 9, current-voltage conversion module 6 and motor drive module 7 all locate motor control panel 3 left side and with motor control panel 3 electrical connection, 3 right sides of motor control panel are all located to channel switching module 8 and collection module 9, channel switching module 8 and collection module 9 all with motor control panel 3 electrical connection, 2 left side wall lower extremes of shell are equipped with power source 17, power source 17 and 2 outer wall fixed connection of shell, power source 17 rear end and 5 electrical connection of power source module.
The utility model comprises a base 1, a shell 2, a motor control panel 3, a computer 4 and a power module 5, wherein the base 1 provides support for the whole device, the shell 2 provides installation positions for parts of the whole device, the motor control panel 3 is provided with a current-voltage conversion module 6, a motor driving module 7, a channel switching module 8 and an acquisition module 9 which are electrically connected with the motor control panel 3, the power module 5 arranged at the upper end of the base 1 supplies power for the whole device, the outer wall of the outer side of the lower end of the shell 2 is provided with a tested motor interface 11, two ends of the tested motor interface 11 are fixedly connected with the outer wall of the shell 2, the rear end of the tested motor interface 11 is electrically connected with the current-voltage conversion module 6, the upper end of the tested motor interface 11 is provided with an ammeter 10, two ends of the ammeter 10 are fixedly connected with the outer wall of the shell 2, the power end of the ammeter 10 is connected with the output end of the power module 5, the right side of the ammeter 10 is provided with a plurality of control buttons 15, control button 15 and 2 fixed connection of motor housing, four angles of 1 lower extreme of base all are equipped with supporting legs 13, supporting legs 13 upper end and 1 lower extreme fixed connection of base, and motor control board 3 is equipped with mounting hole 16 with 2 junctions of shell, and motor control board 3 passes through mounting hole 16 and 2 outer wall fixed connection of shell, and 2 tops of shell are equipped with maintenance door 14, and 14 one end of maintenance door is connected with 2 top outer wall rotations of shell.
Example two:
as shown in fig. 1-4, a brushless current waveform measuring apparatus comprises a base 1, a housing 2, a motor control board 3, a computer 4, a power module 5, a current-voltage conversion module 6, a motor driving module 7, a channel switching module 8 and an acquisition module 9, wherein the base 1 is a rectangular plate-shaped structure, the upper end of the peripheral edge of the base 1 is provided with the housing 2, the housing 2 is a lower trapezoidal cavity structure, the upper end of the housing is a rectangular cavity structure, four sides of the lower end of the housing 2 are fixedly connected with four side edges of the upper end of the base 1, the power module 5 is arranged in the cavity of the base 1, the power module 5 is a cuboid, the bottom end of the power module 5 is fixedly connected with the upper end of the base 1, the motor control board 3 is arranged in the trapezoidal cavity of the housing 2, the motor control board 3 is a rectangular circuit board structure, the periphery of the motor control board 3 is connected with the inner wall of the cavity of the housing 2, 2 upper ends front sides of shell are equipped with computer 4, 2 front ends of 4 screen embedding shells of computer, current-voltage conversion module 6, motor drive module 7, motor control panel 3 is all located on channel switching module 8 and collection module 9, current-voltage conversion module 6 and motor drive module 7 all locate motor control panel 3 left side and with motor control panel 3 electrical connection, 3 right sides of motor control panel are all located to channel switching module 8 and collection module 9, channel switching module 8 and collection module 9 all with motor control panel 3 electrical connection, 2 left side wall lower extremes of shell are equipped with power source 17, power source 17 and 2 outer wall fixed connection of shell, power source 17 rear end and 5 electrical connection of power source module.
The utility model comprises a base 1, a shell 2, a motor control panel 3, a computer 4 and a power module 5, wherein the base 1 provides support for the whole device, the shell 2 provides installation positions for parts of the whole device, the motor control panel 3 is provided with a current-voltage conversion module 6, a motor driving module 7, a channel switching module 8 and an acquisition module 9 which are electrically connected with the motor control panel 3, the power module 5 arranged at the upper end of the base 1 supplies power for the whole device, the outer wall of the outer side of the lower end of the shell 2 is provided with a tested motor interface 11, two ends of the tested motor interface 11 are fixedly connected with the outer wall of the shell 2, the rear end of the tested motor interface 11 is electrically connected with the current-voltage conversion module 6, the upper end of the tested motor interface 11 is provided with an ammeter 10, two ends of the ammeter 10 are fixedly connected with the outer wall of the shell 2, the power end of the ammeter 10 is connected with the output end of the power module 5, the right side of the ammeter 10 is provided with a plurality of control buttons 15, control button 15 and motor housing 2 fixed connection, four angles of 1 lower extreme of base all are equipped with supporting legs 13, supporting legs 13 upper end and 1 lower extreme fixed connection of base, 2 sides of shell are equipped with a plurality of louvres 12, louvre 12 corresponds 2 outer wall departments of shell and 4 sides of computer at motor control panel 3 and correspond 2 outer wall departments of shell, motor control panel 3 is equipped with mounting hole 16 with 2 junctions of shell, motor control panel 3 passes through mounting hole 16 and 2 outer wall fixed connection of shell, 2 tops of shell are equipped with maintenance door 14, 14 one end of maintenance door is connected with 2 top outer walls of shell rotation.
The advantages of the second embodiment over the first embodiment are:
the heat dissipation performance of the device is improved, the failure rate of the device is reduced, the working time of the device is prolonged, the measurement accuracy of the device is improved, and the service life of the device is prolonged.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the utility model in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the utility model may be embodied in practice with the teachings of the utility model. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (10)
1. A brushless current waveform measuring instrument is characterized in that: the device comprises a base (1), a shell (2), a motor control board (3), a computer (4), a power module (5), a current-voltage conversion module (6), a motor driving module (7), a channel switching module (8) and an acquisition module (9), wherein the base (1) is of a rectangular plate-shaped structure, the shell (2) is arranged at the upper end of the edge of the periphery of the base (1), the shell (2) is of a lower end trapezoidal cavity structure, the upper end of the shell is of a rectangular cavity structure, four sides of the lower end of the shell (2) are fixedly connected with the four side edges of the upper end of the base (1), the power module (5) is arranged in the cavity of the base (1), the power module (5) is of a cuboid shape, the bottom end of the power module (5) is fixedly connected with the upper end of the base (1), and the motor control board (3) is arranged at the trapezoidal cavity inside the shell (2), the motor control panel (3) is of a rectangular circuit board structure, the periphery of the motor control panel (3) is connected with the inner wall of an inner cavity of the shell (2), the front side of the upper end of the shell (2) is provided with a computer (4), the screen of the computer (4) is embedded into the front end of the shell (2), the current-voltage conversion module (6), the motor driving module (7), the channel switching module (8) and the motor driving module (7) are all arranged on the left side of the motor control panel (3) and are electrically connected with the motor control panel (3), the channel switching module (8) and the collecting module (9) are all arranged on the right side of the motor control panel (3), the channel switching module (8) and the collecting module (9) are both electrically connected with the motor control panel (3), the power supply module is characterized in that a power supply interface (17) is arranged at the lower end of the left side wall of the shell (2), the power supply interface (17) is fixedly connected with the outer wall of the shell (2), and the rear end of the power supply interface (17) is electrically connected with the power supply module (5).
2. A brushless current waveform measuring instrument according to claim 1, wherein: the intelligent control system is characterized in that the input end of the current-voltage conversion module (6) is electrically connected with the channel switching module (8), the output end of the current-voltage conversion module (6) is electrically connected with the channel switching module (8), the current-voltage conversion module (6) is electrically connected with the motor driving module (7), the acquisition module (9) is electrically connected with the channel switching module (8), and the acquisition module (9) is connected with the computer (4) through a USB.
3. A brushless current waveform measuring instrument according to claim 2, wherein: the motor interface (11) to be tested is arranged on the front side of the lower end of the shell (2), the motor interface (11) to be tested is a rectangular interface, and the two ends of the motor interface (11) to be tested are fixedly connected with the front wall of the lower end of the shell (2).
4. A brushless current waveform measuring instrument according to claim 3, wherein: the rear end of the tested motor interface (11) is communicated with the inner cavity of the shell (2), and the rear end of the tested motor interface (11) is electrically connected with the current-voltage conversion module (6) arranged on the motor control board (3).
5. The brushless current waveform measuring instrument as claimed in claim 4, wherein: an ammeter (10) is arranged on the outer wall of the shell (2) above the tested motor interface (11), the ammeter (10) is of a rectangular dial structure, two ends of the ammeter (10) are fixedly connected with the outer wall of the shell (2), and a power supply end of the ammeter (10) is connected with an outlet of the power supply module (5).
6. A brushless current waveform measuring instrument according to claim 5, wherein: ammeter (10) right side is equipped with a plurality of control button (15), control button (15) present for cylindrical button structure, control button (15) lower extreme and shell (2) outer wall fixed connection, control button (15) rear end and motor control panel (3) electrical connection.
7. A brushless current waveform measuring instrument according to claim 6, wherein: four corners of base (1) lower extreme all are equipped with supporting legs (13), supporting legs (13) present for inverted cone structure, supporting legs (13) upper end and base (1) lower extreme fixed connection.
8. A brushless current waveform measuring instrument according to claim 7, wherein: the power module (5) in the shell (2) and the corresponding place of the computer (4) are provided with a plurality of heat dissipation holes (12), the heat dissipation holes (12) are rectangular strip holes, and the heat dissipation holes (12) are embedded into the outer wall of the shell (2).
9. A brushless current waveform measuring instrument according to claim 8, wherein: the connection part of the side surface of the motor control board (3) and the inner wall of the shell (2) is provided with a mounting hole (16), and the motor control board (3) is fixedly connected with the inner wall of the shell (2) through the mounting hole (16).
10. A brushless current waveform measuring instrument according to claim 9, wherein: outer shell (2) upper end outer wall department is equipped with maintenance door (14), maintenance door (14) present rectangular door structure, maintenance door (14) one end is connected with outer shell (2) outer wall rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120814166.2U CN215728415U (en) | 2021-04-20 | 2021-04-20 | Brushless current waveform measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120814166.2U CN215728415U (en) | 2021-04-20 | 2021-04-20 | Brushless current waveform measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215728415U true CN215728415U (en) | 2022-02-01 |
Family
ID=80029554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120814166.2U Expired - Fee Related CN215728415U (en) | 2021-04-20 | 2021-04-20 | Brushless current waveform measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215728415U (en) |
-
2021
- 2021-04-20 CN CN202120814166.2U patent/CN215728415U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |