The utility model provides an electric automobile energy route device, including the heat dissipation window, the filter screen, the heat dissipation fan, the micromotor, first fixing base, the tongue-and -groove, tenon and second fixing base, terminal surface before energy route main part is offered to the heat dissipation window, and the window internally mounted that dispels the heat there isthe filter screen, the micromotor is through inflation screw assembly terminal surface before the mounting panel, the heat dissipation fan pass is crossed the pivot and is connected with the heat dissipation fan, this design has been solved original electric automobile energy route device heat radiation structure and has been gone up the problem that exists, tenon symmetrical is the terminal surface downside about energy route main part, first fixing base is connected with the second fixing base through the stationary blade, the tongue -and -groove symmetry is seted up in the inside left and right sides of mounting groove, this design has been solved original electric automobile energy route device fixed knot and has been constructed the not enough problem of existence, the utility model discloses it is rational in infrastructure, stability safe in utilization, the radiating effect is showing, and the practicality is high.