CN220511001U - Motor driving system - Google Patents
Motor driving system Download PDFInfo
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- CN220511001U CN220511001U CN202322070682.0U CN202322070682U CN220511001U CN 220511001 U CN220511001 U CN 220511001U CN 202322070682 U CN202322070682 U CN 202322070682U CN 220511001 U CN220511001 U CN 220511001U
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- 230000008878 coupling Effects 0.000 claims description 11
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- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
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- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a motor driving system. The system comprises: a main control module and a driving module; the main control module comprises at least one main control chip unit, at least one motor driving unit and at least one encoder detecting unit; the driving module comprises at least one driving unit and a sub-main control chip unit; the driving unit comprises a driving IC, a motor driving loop and an encoder detection loop; the main control chip unit is in communication connection with the sub main control chip unit; the sub main control chip unit is in communication connection with the drive IC; the driving IC is electrically connected with the motor driving loop; the encoder detection loop is electrically connected with the drive IC; the main control chip unit is in communication connection with the drive IC; the main control chip unit is electrically connected with the motor driving unit; the encoder detection unit is electrically connected with the main control chip unit. The scheme realizes the diversification of motor driving modes and can simultaneously control the work of multiple paths of motors; in addition, under the driving of motors in all modes, no motor driver is needed to be connected.
Description
Technical Field
The embodiment of the utility model relates to the field of motors, in particular to a motor driving system.
Background
With the increasing complexity of the current production process, more and more complex requirements, and pursuit of efficiency, the control of the operation of the single-path motor is not satisfied, and a multi-axis control board capable of simultaneously controlling the multi-path motor to perform multi-axis linkage is required. At present, the mode of controlling motor driving by a multi-axis control board is single, the applicable use scenes are limited, the multi-axis control board cannot be applied to various scenes, and the number of control motor loops is small; in addition, when the multi-axis control board controls the motor, a motor driver is additionally connected to control the motor to move.
Disclosure of Invention
The utility model provides a motor driving system, which is used for realizing the diversification of motor driving modes and simultaneously controlling the operation of multiple paths of motors; in addition, under the driving of motors in all modes, no motor driver is needed to be connected, and the driving cost is greatly reduced.
To achieve the above object, an embodiment of the present utility model provides a motor driving system including: a main control module and a driving module; the main control module comprises at least one main control chip unit, at least one motor driving unit and at least one encoder detection unit;
the driving module comprises at least one driving unit and a sub-main control chip unit; the driving unit comprises a driving IC, a motor driving loop and an encoder detection loop;
the main control chip unit is in communication connection with the sub main control chip unit; the sub-main control chip unit is in communication connection with the driving IC; the driving IC is electrically connected with the motor driving loop; the encoder detection loop is electrically connected with the drive IC;
the main control chip unit is in communication connection with the driving IC;
the main control chip unit is electrically connected with the motor driving unit; the encoder detection unit is electrically connected with the main control chip unit.
Optionally, the sub-main control chip unit includes a plurality of registers therein.
Optionally, the main control module further comprises a plurality of I/O input modules, a plurality of I/O output modules, an input signal optocoupler isolation module and an output signal optocoupler isolation module;
the I/O input module is electrically connected with the input signal optical coupling isolation module; the input signal optical coupling isolation module is electrically connected with the main control chip unit;
the I/O output module is electrically connected with the output signal optical coupling isolation module; the output signal optical coupling isolation module is electrically connected with the main control chip unit.
Optionally, the main control module further comprises an ETH module, a USB chip module and an RS485 communication function module;
the main control chip unit is electrically connected with the ETH module; the main control chip unit is electrically connected with the USB chip module; and the main control chip unit is electrically connected with the RS485 communication function module.
Optionally, the main control module further comprises an AD conversion module and a FLASH module;
the main control chip unit is electrically connected with the AD conversion module; and the FLASH module is electrically connected with the main control chip unit.
Optionally, the driving unit further includes an AD conversion unit, an SWD download unit, and a driving IC state detection unit;
the AD conversion unit, the SWD download unit, and the drive IC status detection unit are electrically connected to the drive IC.
Optionally, the driving unit further comprises a power supply loop and a voltage conversion loop; the output end of the power supply loop is electrically connected with the input end of the voltage conversion loop; the output end of the voltage conversion loop is electrically connected with the power end of the driving IC.
Optionally, the driving unit further comprises a motor fine-dividing code switch; the motor fine-dividing code switch is connected with the sub-main control chip unit.
Optionally, the main control chip unit and the sub main control chip unit are all STM32; the model of the driving IC is TMC5160.
In the embodiment of the utility model, the main control chip units are in communication connection with the sub main control chip units; the sub main control chip unit is in communication connection with each driving IC; each driving IC is electrically connected with each motor driving loop in a one-to-one correspondence manner; each encoder detection loop is electrically connected with each driving IC in a one-to-one correspondence manner; when the driving IC is in the first mode, each main control chip unit sends a driving instruction to the sub main control chip unit, the sub main control chip unit sends the driving instruction to each driving IC, each driving IC controls each motor driving loop to work according to the received driving instruction so as to drive each motor to work, so that the main control chip unit can release much effort to realize other functions, or the main control chip unit and the sub main control chip unit can be matched to perform some complex motion algorithm control; in the working process of driving each motor, each encoder detection loop can feed back the working state of each motor to the main control chip unit in real time to form feedback control;
the main control chip unit is connected with each driving IC in a communication way, so that when each driving IC is in a second mode, each main control chip unit directly sends driving instructions to each driving IC, and each driving IC controls each motor driving loop to work according to the driving instructions so as to drive each motor to work; likewise, in the working process of the driving motor, each encoder detection loop can feed back the working state of the motor to the main control chip unit in real time to form feedback control; in addition, each main control chip unit is electrically connected with each motor driving unit in a one-to-one correspondence manner; the encoder detection units are electrically connected with the main control chip units in a one-to-one correspondence manner, so that when the driving IC is in a third mode, the main control chip units directly drive the motor driving units on the main control module to work, thereby driving the motor to work; in the working process of the driving motor, each encoder detection unit can feed back the working state of the motor to the main control chip unit in real time to form feedback control; the scheme realizes the diversification of motor driving modes, and simultaneously can control the work of multiple paths of motors; in addition, under the driving of motors in all modes, no motor driver is needed to be connected.
Drawings
Fig. 1 is a schematic structural diagram of a motor driving system according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a motor driving system according to an embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
Fig. 1 is a schematic structural diagram of a motor driving system according to an embodiment of the present utility model, as shown in fig. 1, the system includes a main control module 10 and a driving module 20; the main control module 10 comprises at least one main control chip unit 11, at least one motor driving unit 12 and at least one encoder detecting unit 13; the driving module 20 comprises at least one driving unit 21 and a sub-main control chip unit 22; the driving unit 21 includes a driving IC211, a motor driving circuit 212, and an encoder detecting circuit 213; the main control chip unit 11 is in communication connection with the sub main control chip unit 22; the sub-main control chip unit 22 is in communication connection with the drive IC 211; the drive IC211 is electrically connected to the motor drive circuit 212; the encoder detection circuit 213 is electrically connected to the drive IC 211; the main control chip unit 11 is in communication connection with the drive IC 211; the main control chip unit 11 is electrically connected with the motor driving unit 12; the encoder detection unit 13 is electrically connected with the main control chip unit 11.
The main control chip unit 11 and the sub main control chip unit 22 are of STM32 type; the model of the driving IC211 is TMC5160; the motor driving unit 12 and the motor driving circuit 212 are all transistor driving circuits; the encoder detection unit 13 and the encoder detection circuit 213 can be used to detect the actual working state information of the motor; the actual working state information comprises actual current information, actual voltage information, actual rotating speed information and actual rotor position information;
in this embodiment, the specific motor driving process is: the main control chip unit 11 is in communication connection with the sub main control chip unit 22 through an SPI communication line; the sub-main control chip unit 22 is in communication connection with the driving IC211 through an SPI communication line; the drive IC211 is electrically connected to the motor drive circuit 212; the encoder detection circuit 213 is electrically connected to the drive IC 211; thus, when the driving IC211 is in the first mode, each main control chip unit 11 sends a driving instruction to the sub-main control chip 22 unit, the sub-main control chip unit 22 sends the driving instruction to each driving IC211, each driving IC211 controls each motor driving loop 212 to work according to the received driving instruction so as to drive each motor to work, so that the main control chip unit 11 can release much effort to realize other functions, or the main control chip unit 11 and the sub-main control chip unit 22 can be matched to perform some complex motion algorithm control; during the operation of driving each motor, each encoder detection loop 213 can feed back the operation state of each motor to the main control chip unit 11 in real time to form feedback control;
meanwhile, the main control chip unit 11 is in communication connection with each driving IC211, and the driving ICs 211 are electrically connected with the motor driving loop 212; the encoder detection circuit 213 is electrically connected to the drive IC 211; thus, when each driving IC211 is in the second mode, each main control chip unit 11 directly sends a driving instruction to each driving IC211, and each driving IC211 controls each motor driving circuit 212 to work according to the driving instruction so as to drive each motor to work; similarly, during the operation of the driving motor, each encoder detection loop 213 may feed back the operation state of the motor to the main control chip unit 11 in real time, so as to form feedback control;
in addition, the main control chip unit 11 is electrically connected with the motor driving unit 12 in a one-to-one correspondence manner; the encoder detection units 13 are electrically connected with the main control chip units 11 in a one-to-one correspondence manner, so that when the driving IC211 is in the third mode, each main control chip unit 11 directly drives each motor driving unit 12 on the main control module 10 to work, thereby driving the motor to work; in the working process of the driving motor, each encoder detection unit 13 can feed back the working state of the motor to the main control chip unit in real time to form feedback control; the scheme realizes the diversification of motor driving modes, and simultaneously can control the work of multiple paths of motors; in addition, under the driving of motors in all modes, no motor driver is needed to be connected.
It will be appreciated that in actual operation of each motor, any of the three types of drive motors described above may be selected.
Optionally, the sub-main control chip unit 22 includes a plurality of registers therein.
In the first mode, the sub-main control chip unit 22 includes a plurality of registers, so that the main control chip unit 22 can send different driving instructions to the sub-main control chip unit 22, the sub-main control chip unit 22 can send different driving instructions to the driving IC211, the driving IC211 drives the motor driving circuit 212 to work according to the different driving instructions, and thus the driving motor is in different states, and different driving instructions can be configured in the sub-main control chip unit 22 to change different working states of the motor.
Optionally, fig. 2 is a schematic structural diagram of another motor driving system according to an embodiment of the present utility model; as shown in fig. 2, the main control module 10 further includes a plurality of I/0 input modules 14, a plurality of I/O output modules 15, an input signal optocoupler isolation module 16, and an output signal optocoupler isolation module 17; the I/0 input module 14 is electrically connected with the input signal optocoupler isolation module 16; the input signal optical coupling isolation module 16 is electrically connected with the main control chip unit 11; the I/0 output module 15 is electrically connected with the output signal optical coupling isolation module 17; the output signal optocoupler isolation module 17 is electrically connected with the main control chip unit 11.
The I/O input module 14 may be used to connect a start, reset, emergency stop button switch, or a temperature control meter; the I/O output module 15 may be used to connect an indicator light or the like; in this embodiment, a plurality of I/O input modules 14 and I/O output modules 15 may be provided, which may be suitable for various application scenarios, and connect to various peripheral devices, where the number and connection types are not limited; in addition, input and output optical coupling isolation modules are correspondingly arranged on the input and output signals, so that an outer 24V loop and a main control chip unit 113.3V can be electrically isolated, the main control chip unit 11 chip is protected, and surge impact is prevented; preferably, the input and output optocoupler isolation modules are PC847 chips.
Optionally, as shown in fig. 2, the main control module 10 further includes an ETH module 101, a USB chip module 102, and an RS485 communication function module 103; the main control chip unit 11 is electrically connected with the ETH module 101; the main control chip unit 11 is electrically connected with the USB chip module 102; the main control chip unit 11 is electrically connected with the RS485 communication function module 103.
The communication function modules of various different communication protocols of the ETH module 101, the USB chip module 102 and the RS485 communication function module 103 are arranged, so that various devices can be connected, and the application scene used can be expanded. Illustratively, the ETH module 101 may be connected to ethernet; the USB chip module 102 can be connected with a peripheral computer, so that the computer is convenient to debug, and a problem point can be quickly found; the RS485 communication functional module 103 is connected with an industrial touch screen, so that the connecting wires are fewer, and the operation on the production site is convenient.
Optionally, as shown in fig. 2, the main control module 10 further includes an AD conversion module 104 and a FLASH module 105; the main control chip unit 11 is electrically connected with the AD conversion module 104; the FLASH module 105 is electrically connected to the main control chip unit 11.
The main control module 10 reserves an AD conversion module 104, and the AD conversion module 104 may be used to collect analog signals or output analog signals later; the FLASH module 105 is used to store various data.
Optionally, as shown in fig. 2, the driving unit 21 further includes an AD conversion unit 214, an SWD download unit 215, and a driving IC state detection unit 216; the AD conversion unit 214, SWD download unit 215, and driving IC state detection unit 216 are electrically connected to the driving IC 211.
The driving unit 21 further includes an AD conversion unit 214, i.e. the AD conversion unit 214 on the driving unit 21 is reserved, and the subsequent AD conversion unit 214 may be used to collect analog signals or output analog signals; the SWD download unit 215, because the JTAG download unit is not used, the JTAG interface requires 20 pins, and the SWD download unit 215 only requires two signal interfaces, SWCLK and SWDIO, and two power lines, which saves resources. The driving IC state detecting unit 216 may be provided inside the driving IC211 or outside the driving IC211, and may be used to diagnose the state of the driving IC.
Optionally, as shown in fig. 2, the driving unit 21 further includes a power circuit 217 and a voltage conversion circuit 218; the output of the power supply loop 217 is electrically connected to the input of the voltage conversion loop 218; an output terminal of the voltage conversion circuit 218 is electrically connected to a power supply terminal of the driving IC 211.
Wherein, the voltage output by the power circuit 217 is 12V and 24V; the voltage output by the voltage conversion circuit 218 is 5V; in this embodiment, the voltage conversion circuit 218 may employ an LM2596S-5.0 chip; the voltage conversion circuit 218 converts the voltage output from the power supply circuit 217 into an operation voltage of the driving IC211, i.e., 5V; in addition, in some embodiments, the operating voltage of the driving IC211 is 3.3V, and an LDO chip may be provided, where the LDO chip further converts the 5V voltage output by the voltage conversion circuit into the operating voltage of the driving IC211, that is, 3.3V.
Optionally, as shown in fig. 2, the driving module 20 further includes a motor fine-dial switch 23; the motor fine-dividing code switch 23 is connected with the sub-main control chip unit 22.
In this embodiment, the state of the motor fine-dividing code switch 23 may be manually controlled, so that the sub-main control chip unit 11 outputs driving instructions with different frequencies to the driving IC211, so that the driving IC211 adjusts the frequency division number of the driving instructions, thereby changing the rotation speed of the motor.
Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
Claims (9)
1. A motor drive system, comprising: a main control module and a driving module; the main control module comprises at least one main control chip unit, at least one motor driving unit and at least one encoder detection unit;
the driving module comprises at least one driving unit and a sub-main control chip unit; the driving unit comprises a driving IC, a motor driving loop and an encoder detection loop;
the main control chip unit is in communication connection with the sub main control chip unit; the sub-main control chip unit is in communication connection with the driving IC; the driving IC is electrically connected with the motor driving loop; the encoder detection loop is electrically connected with the drive IC;
the main control chip unit is in communication connection with the driving IC;
the main control chip unit is electrically connected with the motor driving unit; the encoder detection unit is electrically connected with the main control chip unit.
2. The motor drive system of claim 1, wherein the sub-master control chip unit includes a plurality of registers therein.
3. The motor drive system of claim 1, wherein the master control module further comprises a plurality of I/O input modules, a plurality of I/O output modules, an input signal optocoupler isolation module, and an output signal optocoupler isolation module;
the I/O input module is electrically connected with the input signal optical coupling isolation module; the input signal optical coupling isolation module is electrically connected with the main control chip unit;
the I/O output module is electrically connected with the output signal optical coupling isolation module; the output signal optical coupling isolation module is electrically connected with the main control chip unit.
4. The motor drive system of claim 1, wherein the main control module further comprises an ETH module, a USB chip module, and an RS485 communication function module;
the main control chip unit is electrically connected with the ETH module; the main control chip unit is electrically connected with the USB chip module; and the main control chip unit is electrically connected with the RS485 communication function module.
5. The motor drive system according to claim 1, wherein the main control module further comprises an AD conversion module and a FLASH module;
the main control chip unit is electrically connected with the AD conversion module; and the FLASH module is electrically connected with the main control chip unit.
6. The motor drive system according to claim 1, wherein the drive unit further includes an AD conversion unit, a SWD download unit, and a drive IC state detection unit;
the AD conversion unit, the SWD download unit, and the drive IC status detection unit are electrically connected to the drive IC.
7. The motor drive system of claim 1, wherein the drive unit further comprises a power supply loop and a voltage conversion loop; the output end of the power supply loop is electrically connected with the input end of the voltage conversion loop; the output end of the voltage conversion loop is electrically connected with the power end of the driving IC.
8. The motor drive system of claim 1, wherein the drive module further comprises a motor fine dial switch; the motor fine-dividing code switch is connected with the sub-main control chip unit.
9. The motor drive system according to claim 1, wherein the main control chip unit and the sub main control chip unit are each STM32; the model of the driving IC is TMC5160.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322070682.0U CN220511001U (en) | 2023-08-02 | 2023-08-02 | Motor driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322070682.0U CN220511001U (en) | 2023-08-02 | 2023-08-02 | Motor driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220511001U true CN220511001U (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322070682.0U Active CN220511001U (en) | 2023-08-02 | 2023-08-02 | Motor driving system |
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| CN (1) | CN220511001U (en) |
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2023
- 2023-08-02 CN CN202322070682.0U patent/CN220511001U/en active Active
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