Personnel intrusion detection detects host computer

The utility model discloses a personnel intrusion detection detects host computer, including the mainframe box and encapsulate the host computer functional circuit in the mainframe box, the side of mainframe box is provided with various interfaces, its characterized in that: main chassis surface is provided with bellied fin ray (2), fin ray (2) parallel distribution is to the side of the upper surface and the left and right sides of mainframe box, two adjacent fin ray (2) tip at border extend " protruding " font string groove (1) that forms outer narrow inside width in opposite directions about the mainframe box upper surface, the central authorities of mainframe box upper surface are provided with " T " font rib (3), the below of " T " font rib (3) sets up pubescent fin ray (21), variousinterface settings are at the leading flank of mainframe box. A radiating efficiency that is used for video monitor system to realize can also improving the mainframe box simultaneously by personnel intrusion alert. 本实用新型公开了种