设计说明书 高压二相无刷电机驱动器的设计与实现.pdf

摘要 针对高压二相无刷直流电动机驱动器的设计提出了基于单片机STC89C52的技术 方案。在设计过程中使用了STC89C52主控芯片和IR2104驱动芯片，结合在相应软件中 编写的程序，来对二相无刷直流电机进行控制。其中涵括了光耦隔离，按键，速度显 示，过流保护电路等，以此来完善该驱动器的设计。 本文介绍了无刷直流电机的发展及现状。还提及了二相无刷直流电机的结构和二 相无刷直流电机运行的基本原理，并简单介绍了Protel DXP绘图软件。重点分析了硬 件电路各部分组成及其工作原理和软件设计的详细过程。最后进一步绘制出PCB板， 做出实物，从而展示实物调试运行的结果。 此次设计实现了对二相无刷直流电机的驱动。并且该驱动器能够通过人机界面 控制电机的启停，速度，并显示电机当前的实际速度等。 关键词：二相无刷直流电机；STC89C52；IR2104；驱动器； Abstract In view of the high pressure of two phase brushless dc motor drives design was proposed based on microcontroller STC89C52 technology solutions.In the design process using the STC89C52 master control chip and IR2104 driver chips, combined with programs written in the corresponding software, for two phase brushless dc motor control.Which include the optical coupling isolation, buttons, speed display, over current protection circuit, etc., in order to improve the design of the drive. This article describes the development and current situation of the brushless DC motor .Also referred to the structure of the two phase brushless dc motor and basic operation principle of two phase brushless dc motor .And simple introduced the Protel DXP drawing software. Analyses the hardware circuit of each parts and its working principle and software design process in detail.Finally further draw PCB, physical, and present the results of physical test and operation. This design has realized the two phase brushless dc motor drive.With man-machine interface to control the motor and the drive to rev. Stop, speed, shows the actual speed of motor current, etc.This design also on the motor over-current protection. Keywords ：Two phase brushless dc motor ；STC89C52；IR2104 ；device ； 目录 摘要 Abstract 第一章 绪论 1.1 无刷直流电动机的发展历史及现状6 1.2 无刷直流电动机的特点6 1.3 本论文的主要内容8 第