自动调节亮度的汽车车内顶灯设计

Design of Automotive Interior Ceiling Lamp with Automatic Brightness Adjustment

当前汽车车内顶灯的亮度不能随着外界光照强度而改变。本文对汽车车内顶灯电路进行改造,增加光照传感器,在打开车内顶灯时,当外界光线弱时,车内顶灯亮度增强,当外界光线强时,车内顶灯亮度减弱,直至不亮,达到智能控制目的。

At present,the brightness of the car’s interior ceiling lamp cannot change with the external light intensity.In this paper,the ceiling lamp circuit of automobile is reformed,and the light sensor is added.Turning on the ceiling lamp,when the external light is weak,the brightness of the interior ceiling lamp increases.When the external light is strong,the brightness of the interior ceiling lamp decreases until it is not bright,so as to achieve the purpose of intelligent control.