摘 要本论文设计了一种基于单片机 AT89S52 的中压同步开关控制器系统，并且应用于断路器的智能化控制来提高电力设备的寿命和系统的稳定性。本文重点论述了中压同步开关控制器控制单元的工作原理、主要器件选择、电路单元设计。 本设计以 AT89S52 单片机为控制核心，对断路器参数信号进行采集，而后将信号传给人机接口的微处理器 SED1335，处理器之间通过串口通信把所反馈的各种数据传输后在 LCD 上进行显示,然后通过键盘操作发出断路器在既定相位分合闸命令，通过控制器对断路器实现同步分合的控制操作，显示单元采纳DC-DC 变换芯片 34063AP1 实现对液晶显示屏对比度的调节。本设计采纳特别的器件和 Keil C51 进行编程以保证系统的功能稳定和准确，最终实现了在友好的人机对话平台下对断路器同步分合闸的智能控制。本文主要描述的是硬件部分的设计。关键词：单片机，智能化控制，中压同步开关控制器，SED1335，电路单元设计 Abstract In this paper, the design of a single-chip AT89S52 based on the medium voltage synchronous switching controller system, and intelligent control of circuit breakers used to improve the life of electrical equipment and system stability. This article focuses on the medium voltage synchronous switch controller control unit of the working principle, the main device selection, circuit design module.The design uses a single chip AT89S52 for the control of the core parameters of the circuit breaker signal acquisition, and will signal the microprocessor to the man-machine interface SED1335, serial communication between processors by feedback to a variety of data transmission carried out in the LCD display, and then sent through the keyboard sub-phase circuit breaker switch on the established order, through the controller to achieve synchronization of the circuit breaker control division operation, display unit using DC-DC conversion chip on the LCD screen to achieve 34063AP1 contrast adjustment. The special design of programmable logic devices ...
