一种汽车危险警示装置设计

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[摘要] 为了在能见度低的情况下，降低出现紧急情况后发生交通事故的概率，并有效提高在紧急情况下的救援效率，本文设计一种新型汽车危险警示装置。本装置主要由蓄电池提供动力来源，单片机进行分析，按钮进行控制，电机作为动力输出，最后通过显示屏来达到预警效果。

[关键词]  危险警示设计;LED显示设计;启动及回收系统设计

中图分类号：U463.653   文献标志码：A      文章编号：1003-8639（2022）

Design of An Automobile Danger Warning Device

Abstract：A new design of vehicle hazard warning device is introduced in this paper. Its purpose is to reduce the probability of traffic accidents after emergencies in the case of low visibility and to effectively improve the efficiency of emergency rescue. The device is mainly powered by the battery，analyzed by single-chip computer，controlled by buttons，motor as power output，and finally achieved early warning effect through the display screen.

Key words：hazard warning design;LED display design;design of start-up and recovery system

1  前言

通过对现有市场的调查，市面上绝大多数轿车在夜间或在能见度低的情况下行车时，发生紧急情况后，所能采取警示到后车的措施大致有两种：一是在轿车内部打开的双闪警示灯;二是将三脚架放置在轿车后方150m处。（剩余3836字）