Heat dissipation device for vehicle-mounted braking resistor of metro vehicle

The utility model provides a heat dissipation device for a vehicle-mounted braking resistor of a metro vehicle. The heat dissipation device is mounted on the braking resistor. The heat dissipation device for the vehicle-mounted braking resistor of the metro vehicle comprises a heat reservoir, heat dissipation brackets arranged on the heat reservoir and heat dissipation plates arranged on the heat dissipation brackets. The heat dissipation device for the vehicle-mounted braking resistor of the metro vehicle is provided with two heat dissipation brackets; the heat dissipation plates are arranged and connected between the two heat dissipation brackets; an inner groove is formed in the heat reservoir; the braking resistor is clamped in the inner groove; the shape of the inner groove is consistent with that of the braking resistor. According to the heat dissipation device for the vehicle-mounted braking resistor of the metro vehicle, the heat dissipation area of the braking resistor is enlarged, the heat exchange