Double-source switchable heat exchanger

The utility model discloses a double-source switchable heat exchanger, and relates to the technical field of heat exchangers. A liquid working medium heat exchange sleeve and an external air heat exchange fin are installed in the main body frame, the liquid working medium heat exchange sleeve is connected with the external air heat exchange fin, the liquid working medium heat exchange sleeve is formed by connecting an inner pipe and an outer pipe of two concentric circles with different sizes, and the external air heat exchange fin is arranged on the outer wall of the outer pipe. An upper side sealing plate is mounted at the top of the main body frame, side surface sealing plates are mounted on the left side and the right side of the main body frame, a lower side bottom plate is mounted at the bottoms of the side surface sealing plates, a base is arranged on the lower side bottom plate, and openable shutters are mounted on the front side and the rear side of the main body frame. The heat exchanger not only ca