Motor heat dissipation device

The utility model relates to a motor heat dissipation device which comprises a shell (1), a motor rotating shaft (2) penetrating through the shell (1), a rotor (3) installed on the motor rotating shaft (2), a stator winding (4) located on the periphery of the rotor (3), a stator iron core (5) located on the periphery of the stator winding (4) and a cooling water pipe (6) surrounding the periphery of the stator iron core (5). The two ends of the cooling water pipe (6) are communicated with a water inlet pipeline (61) and a water outlet pipeline (62) respectively, and the water inlet pipeline (61) and the water outlet pipeline (62) extend out of the shell (1). The motor heat dissipation device is high in heat dissipation efficiency and good in heat dissipation effect. 本实用新型涉及一种电机散热装置，包括壳体(1)、贯穿所述壳体(1)的电机转轴(2)、安装在所述电机转轴(2)上的转子(3)、位于所述转子(3)外周的定子绕组(4)和位于所述定子绕组(4)外周的定子铁芯(5)，还包括环绕在所述定子铁芯(5)外周的冷却水管(6)，所述冷却水管(6)两端分别连通有进水管路(61)和出水管路(62)，所述进水管路(61)和出水管路(62)伸出所述壳体(1)之外。本实用新型的电机散热装置散热效率高，散热效果好。