High-dust-prevention and high-efficiency heat dissipation industrial personal computer

The utility model relates to a high-dustproof high-efficiency heat dissipation industrial personal computer. The industrial personal computer comprises a case composed of an outer case and an aluminumfin upper cover. A mainboard, a power supply module and a hard disk are arranged in the outer shell; a CPU assembly and a south bridge chip assembly are arranged on the mainboard, a CPU heat conduction block and a south bridge chip heat conduction block are arranged on the upper portion of the CPU assembly and the upper portion of the south bridge chip assembly respectively, and the upper end face of the CPU heat conduction block and the upper end face of the south bridge chip heat conduction block are attached to the inner surface of the aluminum fin upper cover. A cooling fan is arranged inthe middle of the outer surface of the aluminum fin upper cover. According to the utility model, the industrial personal computer can realize sealed combination through the cabinet; heat generated inside the heat conducting b