我们档案馆库房的照明灯,原先是一般的照明灯控制电路,进出档案库房需要工作人员用手开启关闭,有时会忘记随手关灯,出现常明灯现象,不仅造成电源浪费,而且存在着不安全因素。为了避免事故的发生,确保档案库房安全可靠,我们对我馆档案库房的灯光控制电路进行了小小的改动。改动后的灯光控制电路,是用门锁控制档案库房的照明灯。进库房时只要门锁打开,线路自动接通,照明灯自动开启,离开库房只 The lighting of our archives storehouse was originally a general lighting control circuit. The staff members who entered and went out of the archive storeroom needed to open and close by hand, sometimes forgetting to turn off the lights and causing the phenomenon of often bright lights, which not only resulted in the waste of power supply but also caused unsafe factor. In order to avoid the accident and ensure the file warehouse is safe and reliable, we made slight changes to the light control circuit of our library. After the change of light control circuit, is the use of locks to control the archives room lighting. Into the warehouse as long as the door open, the line automatically connected, the lights automatically open, leaving the warehouse only