Air duct heater air distribution device includes:

The air distribution plate is arranged vertically in the housing, and the outer edge of the air distribution plate is inscribed in the inner wall of the housing near the air inlet, and the air distribution plate is provided with a number of air inlet holes;

Spoiler, the spoiler is connected to the side end of the air distribution plate near the air inlet through a connecting rod, the cross section of the spoiler is set to an outer convex ellipsoid, and its vertical end is connected to the air distribution plate through the connecting rod The end is set near the air inlet.