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投影机使用中,投影灯泡损坏是一种常见的故障,其原因主要是操作者不按要求的程序操作造成的。用继电器设计制作一个延时断点保护器,在关闭投影机后,自动强制性的延时断电,即方便了操作,又保护了设备,效果良好。
Projector use, the projector bulb damage is a common failure, the main reason is the operator does not follow the requirements of the program caused by the operation. Relay designed with a delay protection device, the projector is closed, the automatic mandatory delay power-off, that is convenient for operation, but also to protect the device, the effect is good.