基于 51 单片机的电源漏电检测保护装置硬件设计摘要:本设计采纳的是 ATEML 公司生产的 AT89C51 单片机为核心来设计智能电源漏电检测保护装置。本文在分析了漏电检测模块工作原理的基础上,设计出一种基于单片机实时采样漏电信号并可接收上一级控制系统的参数要求,自动检测漏电参数,一旦检测到漏电就能达到实时断电的功能。在软件方面,采纳的是 C 语言编程,具有良好的可移植性。关键词:AT89C51 单片机;漏电检测;保护;硬件Based On 51 Single—chip Power Leakage Detection and Protection Device Hardware DesignAbstract : This design uses the AT89C51 microcontroller as the core the ATEML company to design intelligent power leakage detection protection device。 In this paper, analyzed on the basis of the principle of the leakage detection module , design a microcontroller—based real—time sampling leakage signal can be received on the parameters of a control system requirements, automatic detection of leakage parameters, upon detection of leakage can achieve real—time power function。 On the software side, using the C programming language, has good portability。Key words: AT89C51 single—chip;Leakage detection;Protection;Hardware目 录1 绪论.........................................................11.1 背景、目的及意义........................................11.1。1 接地电阻值应符合设计要求..........................11。1。2 保护措施.........................................21。1.3 安装漏电保护器....................................21。1。4 安装漏电报警系统.................................21。1。5 实施等电位联结...................................21.3 讨论思路和设计方案......................................52 系统设计....................................................62.1 系统设计要求............................................62。2 系统讨论思路...........................................62.3 系统设计图..............................................63 系统硬件设计....................