低压断路器智能测控系统设计

Design of Intelligent Measure and Control System for Low-Voltage Circuit Breaker

以MSP430单片机和复杂可编程逻辑器件CPLD为核心,采用主机板和接口板的结构,设计了一种集测量、保护、监控、通信等功能为一体的智能测控系统。介绍了其硬件和软件设计流程。给出了频率检测电路和通信接口电路。该测控系统具有低成本、低功耗、功能完善和抗干扰能力强等特点。

Taking MSP430 microcontroller and CPLD as the core, a kind of measure and control system for low-voltage circuit breaker was designed with the structure of a mainboard and a interface board. The system has the functions of measuring, protection, monitoring and communication. The hardware and the flowchart of the software were introduced. There were circuits of frequency testing and communication interface in the system. The system is characterized by its low cost, low power dissipation, perfect functions and strong antijamming capability.