阅读说明：本技术 一种电机控制系统 (Motor control system ) 是由 匡进 姜*** 石国雍 于 2020-06-15 设计创作，主要内容包括：本发明公开了一种电机控制系统,包括电压检测电路、控制按键输入电路、限位输入模块、电机切换模块、串口通信模块、CAN通讯模块、直流电机控制输出模块、步进电机控制输出模块、交流电机控制输出模块和CPU最小系统,本发明具有电压检测、限位开关检测、电机控制模块切换控制、编码器数据采集等功能,电位器运动数据采集(可以通过设置选择)、不同的电机控制模块,CAN通信控制模块,串口通信控制模块,同时该系统实现电机一对一电机控制系统、一对二电机控制系统的开发功能。同时能过CAN实现不同的电机的控制系统组成不同产品的应用需求。(The invention discloses a motor control system, which comprises a voltage detection circuit, a control key input circuit, a limit input module, a motor switching module, a serial communication module, a CAN communication module, a direct current motor control output module, a stepping motor control output module, an alternating current motor control output module and a CPU minimum system. Meanwhile, the application requirements of different products formed by control systems of different motors CAN be met through the CAN.)

1. The utility model provides a motor control system, includes voltage detection circuit, control button input circuit, spacing input module, motor switching module, serial communication module, CAN communication module, DC motor control output module, step motor control output module, AC motor control output module and CPU minimum system, its characterized in that, CPU minimum system connects voltage detection circuit, control button input circuit, spacing input module, motor switching module, serial communication module, step motor control output module, CAN communication module, DC motor control output module and AC motor control output module respectively.

2. The motor control system of claim 1, wherein the CPU minimum system employs a single chip with a maximum dominant frequency of 72 MHz.

3. The motor control system of claim 2, wherein the ac motor control output module has two control modes, one mode controls the input control signal of the frequency converter through the forward and reverse rotation control signal, and the speed of the motor is adjusted through the frequency converter; the other mode controls the direction and the speed regulation of the motor through 485 communication.

4. The motor control system according to claim 1, wherein the dc motor control output module has two control modes, one mode is to change the direction of the current of the dc motor by attracting different relays at high and low levels, so as to change the direction and not to adjust the speed of the electric surface, and the other mode is to control the forward and reverse rotation of the motor by PWM control field effect pair transistors, so as to adjust the speed of the motor.

5. A motor control system according to claim 1, further comprising a power input module for supplying power to each module.

6. The motor control system of claim 5, wherein the input voltage of the power input module is 12-24V DC voltage, and the output voltage is 12V DC voltage, 5V DC voltage and 3.3V DC voltage.

7. The motor control system of claim 1, further comprising an encoder input module, said encoder input module connected to the CPU minimum system.

8. The motor control system of claim 1, further comprising a potentiometer input module, wherein the potentiometer input module is connected to the CPU minimum system.

Technical Field

The invention relates to the technical field of motors, in particular to a motor control system.

Background

At present, most motor control systems develop a new control function through a single product function, and a complete control system is not provided.

The existing system integrally controls the types of control products required by the motor in the working process, and arranges all parameter information in the running process of the motor, so that the stability of the whole control system can be observed in real time. Meanwhile, the whole system Can realize the functions of different motors without secondary development, and only serial ports or Can are needed to set the running parameters of the motors.

Disclosure of Invention

The present invention is directed to a motor control system to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a motor control system, includes voltage detection circuit, control button input circuit, spacing input module, motor switching module, serial communication module, CAN communication module, DC motor control output module, step motor control output module, AC motor control output module and CPU minimum system, CPU minimum system connects voltage detection circuit, control button input circuit, spacing input module, motor switching module, serial communication module, step motor control output module, CAN communication module, DC motor control output module and AC motor control output module respectively.

As a further scheme of the invention: the CPU minimum system adopts a singlechip with the highest dominant frequency of 72 MHz.

As a further scheme of the invention: the alternating current motor control output module has two control modes, wherein one mode controls an input control signal of the frequency converter through a forward and reverse rotation control signal, and the speed of the motor is adjusted through the frequency converter. The other mode controls the direction and the speed regulation of the motor through 485 communication.

As a further scheme of the invention: the direct current motor control output module has two control modes, one mode realizes the change of the current direction of the direct current motor through different relays attracted by high and low levels, realizes the change of the direction and can not realize the speed adjustment of the electric surface, and the other mode realizes the forward and reverse rotation of the motor through PWM control field effect pair transistors and can realize the speed adjustment of the motor.

As a further scheme of the invention: the power supply system also comprises a power supply input module for supplying power to each module.

As a further scheme of the invention: the input voltage of the power input module is 12-24V direct current voltage, and the output voltage comprises 12V direct current voltage, 5V direct current voltage and 3.3V direct current voltage.

As a further scheme of the invention: the CPU minimum system also comprises an encoder input module which is connected with the CPU minimum system.

As a further scheme of the invention: the intelligent control system also comprises a potentiometer input module, and the potentiometer input module is connected with the CPU minimum system.

Compared with the prior art, the invention has the beneficial effects that: the invention has the functions of voltage detection, limit switch detection, motor control module switching control, encoder data acquisition and the like, potentiometer motion data acquisition (which CAN be selected by setting), different motor control modules, a CAN communication control module and a serial port communication control module, and simultaneously the system realizes the development functions of a one-to-one motor control system and a one-to-two motor control system of the motor. Meanwhile, the application requirements of different products formed by control systems of different motors CAN be met through the CAN.

Drawings

FIG. 1 is a block schematic diagram of a hardware circuit of an embodiment of the present invention.

Fig. 2 is a schematic diagram of a power input module.

FIG. 3 is a schematic diagram of a voltage detection module.

Fig. 4 is a schematic diagram of a limit detection module.

Fig. 5 is a schematic diagram of a key input detection module.

Fig. 6 is a schematic diagram of a motor switching module.

Fig. 7 is a schematic diagram of an encoder acquisition module.

Fig. 8 is a schematic diagram of a potentiometer acquisition module.

Fig. 9 is a schematic diagram of a serial communication module.

Fig. 10 is a schematic diagram of a CAN communication module.

Fig. 11 is a schematic diagram of a dc motor control module.

Fig. 12 is a schematic diagram of a three-phase asynchronous motor control module.

Fig. 13 is a schematic diagram of a stepper (servo) motor control module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.