本文介绍的自动应急保护型风冷供电装置直接配合中大功率广播电视发射机圆满地解决了发射管的断电保护问题。与通常的ＵＰＳ电源相比，该装置具有更加优越的性能和适用性，且价格相当的低廉。因此，在广播电视以及其它工业、经济、科研等各个领域中都具有广泛的推广应用价值。 This article describes the automatic emergency protection of air-cooled power supply device directly with the medium and high power radio and television transmitter successful solution to the launch tube power protection. Compared with the usual UPS power supply, the device has more superior performance and applicability, and the price is relatively low. Therefore, in radio and television and other industrial, economic, scientific research and other fields have a wide range of promotional value.