列检用手提红灯,原来是一个灯泡。往往因灯泡质量差或电瓶充电过足(电压偏高),在使用中经常烧毁,造成红灯熄灭。在繁忙的检修工作中,检修人员往往不易察觉并及时更换,对检修人员人身安全构成极大威胁。为此,检修人员曾多次要求改进。现在把我们改进的手提红灯介绍如下: 改进后的线路如图所示。开启电源开关 Check with a portable red light, turned out to be a light bulb. Often due to poor quality bulb or battery charge enough (high voltage), often burned in use, causing the red light goes out. In the busy maintenance work, maintenance personnel are often not easy to detect and promptly replaced, posing a great threat to the personal safety of maintenance personnel. To this end, maintenance personnel have repeatedly asked for improvement. Now introduce our improved portable red light as follows: Improved circuit as shown. Turn on the power switch