Self-cooling semiconductor fan

The utility model provides a self-cooling semiconductor fan. Including a housing, the shell comprises a base and an air outlet part connected to the top of the base. A circuit board, a semiconductor assembly and a fan are arranged in the base. The semiconductor assembly and the fan are electrically connected with the circuit board. The fan is positioned on one side of the semiconductor assembly; the semiconductor assembly comprises a semiconductor refrigeration end and a semiconductor heating end. The fan is used for guiding out cooling capacity generated by the semiconductor refrigeration end, a flow guide mechanism is arranged in the shell, the flow guide mechanism is used for guiding one part of air guided out by the fan to the air outlet part, and the other part of air guided out by the fan is guided to the semiconductor heating end so as to cool the semiconductor assembly. 本实用新型提供一种自冷却半导体风扇，包括壳体，所述壳体包括底座和连接在所述底座顶部的出风部，所述底座内设有电路板、半导体组件和风扇，所述半导体组件和所述风扇分别与所述电路板电连接，所述风扇位于所述半导体组件的一侧，所述半导体组件包括半导体制冷端和半导体制热端，所述风