UPS电源控制电路设计.doc

北京石油化工学院 本科毕业设计（论文）开题报告 题目名称： UPS电源控制电路设计 题目类型： 研究型 学生姓名： 霍 达 专 业： 电气工程及其自动化 学 院： 信息工程学院 年 级： 12级（专科起点） 指导教师： 郭屹松 2014 年 3 月 19 日 UPS电源控制电路设计 摘 要 UPS(Uninterruptible Power System/Uninterruptible Power Supply)，即无间断电源，是将蓄电池组与主机相连，通过逆变器等模块电路，将直流电转变成市电的系统设备。主要用于计算机网络系统或其它电子设备提供稳定且不间断的电力供应，是电信设备中的重要组成部分，其供电质量与可靠性对电信设备和系统运行状态有着极大的影响。本文简单介绍了不间断电源的结构和工作原理，并详细描述了不间断电源控制电路的组成与控制方法。其控制电路主要由自动检测和声光报警电路组成，自动检测部分由单片机配合ADC0809来实现，报警电路则由检测电路信号驱动蜂鸣器和LED灯来实现声光报警功能。这种不间断电源可以使台式计算机在断电状态下持续工作四个小时，且不受外界电压干扰。本设计具有结构简单，成本低廉，工作稳定可靠等特点。 关键词：不间断电源，AT89C51,蓄电池，继电器 UPS power supply control circuit design Abstract The uninterrupted power supply, is connected by battery with the host, through the inverter module circuit, make the DC into city power system equipment. Mainly used in power supply network system of the computer or other electronic equipment to provide stable and uninterrupted, it is an important part in telecommunication equipment, the power supply quality and reliability have great impact on the running state of telecommunications equipment and system. This paper briefly introduces the structure and working principle of uninterrupted power supply, And a detailed description of the composition and control method of uninterrupted power supply control circuit. The control circuit mainly by the automatic detection and alarm circuit, the automatic detection part is composed of a single chip with ADC0809 to achieve, The alarm circuit is composed of a detection circuit signal to drive the buzzer and the LED lamp to achieve sound and light alarm function. The uninterruptible power supply can make the computer work four hours continuously in the off state, and is not influenced by the external voltage disturbance. This design has the advantages of simple stru