基于单片机的汽车前照灯远近光自动切换系统  

Microcontroller-based automatic switching system of far and near light for automobile headlights

作　　者：徐泽[1] 谢天怡 

机构地区：[1]南京邮电大学海外教育学院,江苏南京210023

出　　处：《现代电子技术》2015年第21期167-170,共4页Modern Electronics Technique

摘　　要：考虑到汽车的安全性能,设计了一款采用STC89C52单片机为电子控制单元核心的汽车前照灯远近光自动切换系统。该系统主要由光强检测系统和单片机系统组成。详细介绍了系统的基本原理、理论分析及硬件设计,并提出了软件的实现方法。其中,硬件系统模块包括处理器模块、通信模块、传感器模块、显示模块和电源模块。该前照灯系统较智能化,确保了汽车夜间行车的安全性。Considering the safety performance of the vehicle,an automatic switching system of far and near light for automobile headlights was designed,which is taken STC89C52 microcontroller as the core of the electronic control unit. This system is consisted of light intensity detection system and microcontroller system. The fundamental principle,theoretical analysis and hardware design of this system are introduced in detail,and the software implementation method is proposed. The hardware system model is composed of processor module,communication module,sensor module,display module and power module. This headlights system is intelligent,and can ensure the safety performance of the vehicle on night driving.

关 键 词：STC89C52 光敏传感器 1602液晶显示屏 灯光自动切换 

分 类 号：TN710-34[电子电信—电路与系统]