汽车远近程灯自动转换电路

An Autoconvertor of Long range Lamp and Short range Lamp on Automobile

一种汽车远近程灯自动转换电路，它由信号取样电路，施密特触发电路和输出控制电路组成。该装置采用汽车电源为其电路供电，不需改动汽车原有电路便可直接安装，性能可靠。适用于各类汽车及各种机动车夜间会车时远程灯和近程灯的自动开启和关闭，可防止交通事故的发生。

In this paper, an autoconvertor of the long range lamp and short range lamp for automobile is presented. It is composed of the sampling circuit, Schmitt trigger and output controlling circuit, This system is supplied with the mobile supply. It is mounted directly without removing any original circuits. The character of the system is reliable. It can be used for a variety of automobiles and moter vehicles. When two of the meet in the night, the system can convert the long range lamps and the short range lamps in the automobiles on or off automatically in order to prevent the traffic accident.