驾驶员暗适应测试仪的研究

Study of a adaptometer for drivers

驾驶员暗适应测试仪由单片计算机系统、暗箱、强光产生部分及视标显示等部分组成。被测者在强光刺激之后，进入黑暗状态。同时测试仪开始计时，至被测者看清视标时停止计时。所计得的时间为其暗适应时间。测试仪测试的结果可显示在显示器上也可由打印机打印。

A adaptometer is designed and developed for measuring dark adaptation time of drivers. The adaptometer consists of a single chip processor, camera bellows, strong light source and visual target displays. After being stimulated by strong light, the driver is in dark state. Simultaneously, the adaptometer begin timing until the driver can see the visual target clearly. The time span measured is dark adaptation time. The measured results can be displayed by displays and also can be printed by printers. The experimental results indicate the dark adaption time of drivers has great difference.