前言显象管防爆装置是显象管产品的重要组成部份,它是安全的保证措施,也是整机安装固定的必要装置。我厂生产的17英寸显象管,原防爆形式是按日本东芝的结构,防爆带内有衬套,这种衬套经使用存在一些问题,我们针对原结构的优缺点进行了分析,并对国内外各种防爆结构进行了收集,从中选择了一些优点,确定了新的结构,进行了试验,并投 Introduction CRT explosion-proof device is an important part of CRT products, it is a security measure, but also the necessary installation of the whole device. Our factory production of 17-inch kinescope, the original explosion-proof form is based on the structure of Japan’s Toshiba, explosion zone bushing, the use of such bushings have some problems, we analyzed the advantages and disadvantages of the original structure, and A variety of domestic and foreign explosion-proof structures were collected, from which to select some advantages, to determine the new structure, conducted a test and vote