| 摘要 |
The present invention relates to a protecting cabinet from EMP. Particularly, the present invention relates to the shielding structure of a protecting cabinet from EMP with improved shielding and maintenance function. The shielding structure according to the present invention includes a wall surface (12a, 12b, 13, 14, 15) made of galvanized steel plates; an electromagnetic wave shielding ventilation hole (145, 155) formed in the upper part of a back surface (14) and a ceiling surface (15); a front door (131) and a back door (141) which can be opened/closed; an operating display lamp (132) installed in the front door (131); and a ground unit (17) which is connected from the wall surface (12a, 12b, 13, 14, 15) or the bottom surface to an external frame. The electromagnetic wave shielding ventilation hole (145, 155) is a mesh structure or a honey comb structure. |
