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Universal stepping motor driving device

A stepping motor, a general-purpose technology, applied in the direction of motor generator control, electrical components, control systems, etc., can solve the problem of single function, unable to find the absolute position, do not have multi-channel drive and communication functions with the host computer, etc. problem, to achieve the effect of flexible and convenient use and simple circuit implementation

Inactive Publication Date: 2019-04-23
TIANJIN JINHANG INST OF TECH PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current stepper motor drivers on the market are relatively simple in function, do not have multi-channel drive and communication functions with the host computer, and cannot find the absolute position by zeroing.

Method used

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Embodiment Construction

[0017] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] The technical solution of the present invention is: by using single chip microcomputer (preferably TM4C123A), driver chip (preferably DRV8885), photoelectric switch (preferably HOA1872) and host computer to form universal stepper motor driving device.

[0019] Circuit principle scheme such as figure 1 shown.

[0020] (1) Microcontroller

[0021] The single-chip microcomputer is the core device of the stepping motor driving device, and the completed functions include: a) Outputting 3-way stepping motor driving signals. b) Receive 3 photoelectric switch signals to realize zero-seeking function. c) Communicate with the host computer through the serial port, so as to realize the control of the stepping motor by t...

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Abstract

The invention relates to a universal stepping motor driving device, and belongs to the technical field of motor driving devices. Three way of stepping motors can be driven at the same time, and the circuit of the device is easy to realize. A single-chip microcomputer can communicate with an upper computer through a serial port. The control function of the upper computer is achieved, and the deviceis flexible and convenient to use. A zero-searching function is achieved, and absolute position information can be obtained after power-on.

Description

technical field [0001] The invention belongs to the technical field of motor driving devices, and in particular relates to a universal stepping motor driving device. Background technique [0002] The stepper motor has the advantages of large torque, small inertia, and high response frequency, so it has the superior characteristics of instant start and rapid stop. The output rotation angle or displacement has high precision, the error will not accumulate and the control system is simple in structure, compatible with digital equipment, and the price is cheap. Therefore, stepper motors are widely used in simple CNC machine tools, feeding mechanisms, instruments, meters and other fields. [0003] Currently, the stepper motor drivers on the market have relatively simple functions, do not have multi-channel drive and communication functions with the host computer, and cannot find the absolute position by homing. Therefore, it is very necessary to design a universal and multifunc...

Claims

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Application Information

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IPC IPC(8): H02P8/40H02P8/34
CPCH02P8/34H02P8/40
Inventor 杨玉良段东建
Owner TIANJIN JINHANG INST OF TECH PHYSICS
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