基于AT89S52单片机的教室照明自动控制系统

本课题旨在实现教室照明的智能化,分析了教室照明的目前情况和原理的实现方法,并构思出在52单片机上设计的教室自动照明智能化的思路,并在此基础上提出了实现教室照明的控制方案。该系统采用AT89S52单片机作为控制模块的核心部件,利用HP208人体传感器检测人体的存在,并使用由光敏三极管组成的电路来测量自然光的强度;教室照明开关的条件,是基于是否检测到人和光照的强度并加上定时开关时间。信号和环境照明,该系统可以实现教室灯光开关的智能化控制,以避免在课堂上大量的浪费。

The purpose of this paper is to realize the intelligence of classroom lighting.The current situation and principle of classroom lighting are analyzed.Based on this,the idea of intelligent classroom lighting designed on 52 single chip computer is conceived.On this basis,the control scheme of classroom lighting is put forward.The system uses AT89S52 as the core component of the control module,uses HP208 human body sensor to detect the existence of human body,and uses a circuit composed of phototransistors to measure the intensity of natural light.The condition of classroom lighting switch is based on whether the intensity of human and light is detected and timing switch time is added.Signal and environmental lighting,the system can achieve intelligent control of classroom light switch,in order to avoid a lot of waste in the clas sroom.

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