CN217112626U - General test control platform of motor - Google Patents
General test control platform of motor Download PDFInfo
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- CN217112626U CN217112626U CN202122249370.7U CN202122249370U CN217112626U CN 217112626 U CN217112626 U CN 217112626U CN 202122249370 U CN202122249370 U CN 202122249370U CN 217112626 U CN217112626 U CN 217112626U
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- 238000012812 general test Methods 0.000 title description 6
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 102100029368 Cytochrome P450 2C18 Human genes 0.000 claims abstract description 17
- 101000919360 Homo sapiens Cytochrome P450 2C18 Proteins 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 10
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 206010004966 Bite Diseases 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
A universal test control platform for a motor comprises a control unit, wherein the control unit comprises a control board and a drive board connected with the control board; the driving board is used for driving the motor to be tested to operate and acquiring monitoring parameters of the motor to be tested; the control board comprises a DSP, an FPGA and a CPCI bus controller, wherein the DSP is connected with the FPGA and receives an instruction of an upper computer through a UART interface or a CAN interface so as to control the drive board to control the motor to be tested; the FPGA is connected with the CPCI bus controller and used for acquiring monitoring parameters from the drive board and reporting the monitoring parameters to the upper computer through the CPCI bus controller by the CPCI bus. And the two groups of control units are respectively connected with the upper computer and a motor to be measured. The drive plate comprises a drive circuit, a voltage detection circuit, a current detection circuit and a temperature measurement circuit. The command channel is separated from the monitoring data channel, the problem of real-time conflict between the command channel and the monitoring data channel is avoided, various parameters can be monitored, control over various motors and various motor rotor position sensors is supported, and universality and practicability are improved.
Description
Technical Field
The utility model relates to a motor mechanism test equipment especially relates to a general test control platform of motor.
Background
At present, each kind of motor mechanism testing equipment on the market only supports a certain type of motor control and a certain type of motor rotor position sensor control. With the continuous development of downstream industries, universal motor mechanism testing requirements are needed for different downstream manufacturers, but current equipment does not meet the requirements. On the other hand, the current scheme may have a real-time conflict problem when testing and control coexist. In order to meet the market and downstream requirements, new schemes for improving the testing control of the motor mechanism are needed to be researched and developed.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned current situation, the utility model provides a general test control platform of motor makes instruction channel and monitoring data channel separation, avoids the real-time conflict problem that the two probably exists, can monitor multiple parameter and support multiple type motor simultaneously, improves commonality and practicality.
In order to realize the purpose of the utility model, the following scheme is proposed:
a universal test control platform for motors comprises two groups of control units, wherein the two groups of control units are respectively connected with an upper computer and are respectively used for being connected with a motor to be tested. The control unit comprises a control board and a drive board connected with the control board; the driving plate is used for driving a motor to be tested connected with the driving plate to operate and acquiring monitoring parameters of the motor to be tested; the control board comprises a DSP, an FPGA and a CPCI bus controller, wherein the DSP is connected with the FPGA and receives an instruction of an upper computer through a UART interface or a CAN interface so as to control the drive board to control the motor to be tested; the FPGA is connected with the CPCI bus controller and used for acquiring monitoring parameters from the drive board and reporting the monitoring parameters to the upper computer through the CPCI bus controller by the CPCI bus.
The drive plate comprises a drive circuit, a voltage detection circuit, a current detection circuit and a temperature measurement circuit, the drive circuit is used for driving the motor to be tested to operate, the voltage detection circuit is used for collecting voltage information of the motor to be tested, the current detection circuit is used for collecting current information of the motor to be tested, the temperature measurement circuit is used for collecting temperature measurement information of shaft temperature resistance and shell temperature resistance of the motor to be tested, and the FPGA is used for obtaining the voltage information, the current information and the temperature information through the drive plate.
The drive board further comprises a relay control circuit which is connected with the drive circuit and controlled by the DSP of the control board, and the relay control circuit is used for responding to an instruction given by the DSP to carry out power-on and power-off control on the drive circuit.
The drive plate further comprises a position sensor interface which is used for connecting a rotor position sensor, and the rotor position sensor is used for testing the rotor position of the motor to be tested; the position sensor interface circuit is connected with the control panel and used for conveying motor rotor position data collected by the rotor position sensor connected with the position sensor to the DSP and the FPGA. The position sensor interface comprises a 2-path 422 interface (namely a 2-path Biss-C interface), a 2-path SPI interface and a 1-path position Hall sensor interface.
The drive board further comprises 6 paths of digital input quantity detection interfaces, and state monitoring of the 6 paths of travel switches can be achieved.
The driving board further comprises a +5V, +12V and-12V isolation power supply and a monitoring circuit thereof. The isolated power supply independent to the system power supply is realized for the motor rotor position sensor by using the isolated power supply, and the voltage, the current and the power of each sensor power supply are monitored in real time by using the monitoring circuit.
The drive plate further comprises a brake control circuit which can control an external brake to realize the brake control of the motor.
The drive board further comprises an overcurrent and overvoltage hardware protection circuit, so that the test equipment and the tested object can be timely and effectively protected in a fault state.
The driving circuit adopts a three-phase full-bridge inverter circuit.
The control board further comprises an EERPOM which is connected with the DSP and used for storing necessary system information.
The control panel is further connected with a rotary transformer decoding board through an HRS connector, so that the 2-path coarse and fine machine rotary transformer can be decoded, 2 groups of high-precision motor rotor position data are synthesized, and the control requirement of an ultra-low speed control system is met. And the McBSP module serving as a DSP peripheral on the control panel is connected with the HRS connector to realize the control of the rotary transformer decoding panel. When the rotary transformer decoding deck is not used, the McBSP module is switched to a rotor position sensor in a butt joint SPI interface mode; the rotary transformer decoding board comprises a rotary transformer decoding chip, a rotary transformer excitation signal conditioning circuit and a rotary transformer output signal conditioning circuit.
The beneficial effects of the utility model reside in that: the command channel and the monitoring data channel are separated, the problem of real-time conflict between the command channel and the monitoring data channel is avoided, various parameters can be monitored, various motors can be supported, various motor rotor position sensors can be supported, and the universality and the practicability are improved.
Drawings
Fig. 1 is a block diagram of an overall structure of a general test control platform for a motor according to an embodiment of the present application.
Fig. 2 is a block diagram of a driving board according to an embodiment of the present application.
Fig. 3 is a block diagram of a control board according to an embodiment of the present application.
Fig. 4 is a block diagram of a driving board structure of a preferred embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the application provides a general test control platform for motors, which comprises two groups of control units, wherein the two groups of control units are respectively connected with an upper computer and are respectively used for being connected with a motor to be tested, as shown in fig. 1.
Specifically, the control unit comprises a control board and a drive board connected with the control board; the driving plate is used for driving a motor to be tested connected with the driving plate to operate and acquiring monitoring parameters of the motor to be tested; the control board comprises a DSP, an FPGA and a CPCI bus controller, wherein the DSP is connected with the FPGA and receives an instruction of an upper computer through a UART interface or a CAN interface so as to control the drive board to control the motor to be tested; the FPGA is connected with the CPCI bus controller and used for acquiring monitoring parameters from the drive board and reporting the monitoring parameters to the upper computer through the CPCI bus controller by the CPCI bus. Specifically, the DSP may employ TMS320F 28335.
The control of the two motors to be tested can be realized through software control of the upper computer, so that the control of the double-shaft motor mechanism is realized. Receiving an upper computer instruction through a UART interface or a CAN interface, wherein the upper computer instruction is realized by a DSP; all monitoring variables are provided to an upper computer through a CPCI bus, and the monitoring variables are realized by an FPGA. Through the design, the control instruction channel is separated from the monitoring data channel, and the problem of real-time conflict possibly existing between the control instruction channel and the monitoring data channel is avoided.
As shown in fig. 2, the driving board includes a driving circuit, a voltage detection circuit, a current detection circuit, a temperature measurement circuit, a relay control circuit, a position sensor interface, a bit hall sensor interface, and the like.
The driving circuit adopts a three-phase full-bridge inverter circuit, is used for driving a motor to be tested to operate, and can support the control of a Permanent Magnet Synchronous Motor (PMSM) and a direct current brushless motor (BLDC); the voltage detection circuit is used for acquiring voltage information of a motor to be detected, the current detection circuit is used for acquiring current information of the motor to be detected, the temperature measurement circuit is used for acquiring temperature measurement information of a shaft temperature resistor and a shell temperature resistor of the motor to be detected, and the FPGA is used for acquiring the voltage information, the current information and the temperature information from the drive plate.
The relay control circuit is connected with the drive circuit and controlled by the DSP of the control board, and responds to an instruction given by the DSP to carry out power-on and power-off control on the drive circuit.
The position sensor interface is used for connecting a rotor position sensor, and the rotor position sensor is used for testing the position of a rotor of the motor to be tested; the position sensor interface is connected with the control panel and used for conveying the motor rotor position data collected by the rotor position sensor connected with the position sensor to the DSP and the FPGA. Specifically, the position sensor interface includes 2 paths of 422 interfaces (i.e., 2 paths of Biss-C interfaces), 2 paths of SPI interfaces, and 1 path of position hall sensor interface.
Through the design of the drive plate, multiple parameters of multiple motors can be monitored, the drive plate can respond to the instruction of an upper computer, and the PWM wave issued by the DSP controls the drive circuit so as to realize the regulation and control of the connected motors.
Further, as shown in fig. 4, as a preferred scheme, the driving board is further configured with multiple paths of digital IO interfaces, and is adapted to be detected by a limit switch.
Further, as shown in fig. 4, the drive plate is preferably further provided with an isolated power supply and a power supply monitoring circuit for the motor rotor position sensor.
Further, as shown in fig. 4, as a preferable scheme, the driving board is further provided with a brake control circuit and an overvoltage and overcurrent hardware protection circuit.
As shown in FIG. 3, EERPOM and McBSP modules are also arranged on the control board. EERPOM is connected with DSP for storing necessary system information.
The control panel is further connected with a rotary transformer decoding board through an HRS connector, an McBSP module of the DSP on the control panel is connected with the HRS connector, and when the rotary transformer is not used, the McBSP module is switched into a rotor position sensor in a butt joint SPI interface mode; when the rotary transformer is used, the McBSP module is switched to be a butt joint rotary transformer decoding board; the rotary transformer decoding board comprises a rotary transformer decoding chip, a rotary transformer excitation signal conditioning circuit and a rotary transformer output signal conditioning circuit.
According to the practical application condition, the scene of motor can be monitored by using the rotary transformer, and the McBSP module is controlled by the DSP to switch so that the acquisition of the switching position sensor is changed into the acquisition of the rotary transformer, and the practicability of the platform is improved.
Furthermore, the DSP of the control panel also provides an XINTF interface for realizing the communication with an external SARAM and realizing the external storage.
The foregoing is merely a preferred embodiment of the invention and is not intended to be exhaustive or to limit the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.
Claims (9)
1. A universal test control platform for a motor is characterized by comprising a control unit, wherein the control unit comprises a control board and a drive board connected with the control board; the driving plate is used for driving a motor to be tested connected with the driving plate to operate and acquiring monitoring parameters of the motor to be tested; the control board comprises a DSP, an FPGA and a CPCI bus controller, wherein the DSP is connected with the FPGA and receives an instruction of an upper computer through a UART interface or a CAN interface so as to control the drive board to control the motor to be tested; the FPGA is connected with the CPCI bus controller and used for acquiring monitoring parameters from the drive board and reporting the monitoring parameters to the upper computer through the CPCI bus controller by the CPCI bus.
2. The universal motor test control platform of claim 1, wherein two groups of control units are respectively connected to the upper computer and are respectively connected to a motor to be tested.
3. The universal motor test control platform as claimed in claim 1, wherein the driving board comprises a driving circuit, a voltage detection circuit, a current detection circuit and a temperature measurement circuit, the driving circuit is used for driving the motor to be tested to operate, the voltage detection circuit is used for acquiring voltage information of the motor to be tested, the current detection circuit is used for acquiring current information of the motor to be tested, the temperature measurement circuit is used for acquiring temperature measurement information of a shaft temperature resistor and a shell temperature resistor of the motor to be tested, and the FPGA is used for acquiring the voltage information, the current information and the temperature information through the driving board.
4. The universal testing and control platform for electric motors of claim 3, wherein the driver board further comprises a relay control circuit connected to the driver circuit and controlled by the DSP of the control board for controlling the power-on and power-off of the driver circuit in response to commands issued by the DSP.
5. The universal test control platform for motors of claim 3, wherein the drive board further comprises a position sensor interface for connecting a rotor position sensor for testing the position of the rotor of the motor under test; the position sensor interface is connected with the control panel and used for conveying the motor rotor position data collected by the rotor position sensor connected with the position sensor to the DSP and the FPGA.
6. The universal test control platform for motors of claim 5, wherein the position sensor interface comprises a 2-way 422 interface, a 2-way SPI interface, and a 1-way position Hall sensor interface.
7. The universal motor test control platform according to claim 3, wherein the driving circuit is a three-phase full-bridge inverter circuit.
8. The universal motor test control platform of claim 1, wherein the control board further comprises an eercom, and the eercom is connected with the DSP for storing system information.
9. The universal testing and control platform for the motor according to claim 5, wherein the control board is further connected with a resolver decoding board through an HRS connector, and an McBSP module of the DSP on the control board is connected with the HRS connector, and when the resolver is not used, the McBSP module is switched to a rotor position sensor in a butt joint SPI interface form; when the rotary transformer is used, the McBSP module is switched to be a butt joint rotary transformer decoding board; the rotary transformer decoding board comprises a rotary transformer decoding chip, a rotary transformer excitation signal conditioning circuit and a rotary transformer output signal conditioning circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122249370.7U CN217112626U (en) | 2021-09-16 | 2021-09-16 | General test control platform of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122249370.7U CN217112626U (en) | 2021-09-16 | 2021-09-16 | General test control platform of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217112626U true CN217112626U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122249370.7U Active CN217112626U (en) | 2021-09-16 | 2021-09-16 | General test control platform of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217112626U (en) |
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2021
- 2021-09-16 CN CN202122249370.7U patent/CN217112626U/en active Active
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