Structure of plastic STB

The utility model discloses a structure of plastic STB, including casing upper cover, casing lower cover and front cover of the machine enclosure, casing upper cover, casing lower cover and front cover of the machine enclosure assemble into the STB host computer mutually, the casing lower cover adopts the plastic material to make, and the casing upper cover adopts the five metals material to make, and the both sides of casing upper cover respectively are provided with a curb plate, and two casing upper covers are assembled mutually with the casing lower cover, and the both sides board seals up the casing lower cover, it all is provided with at least one detachable heat radiation structure to cover under casing upper cover, the casing. The utility model discloses simple structure, drain pan adopt the plastic to make, and just inside all parcels set up a dismantled and assembled heating panel, realize quick the heat dissipation through fixed louvre on the heating panel and movable louvre, and the accessible is