Heat dissipation cooling system of frequency converter chamber

The utility model relates to the technical field of frequency converter chamber heat dissipation and cooling, in particular to a heat dissipation and cooling system of a frequency converter chamber, which comprises a frequency converter chamber main body for placing a frequency converter, ventilation devices are arranged on two sides of the frequency converter chamber main body and connected with the inside and the outside of the frequency converter chamber main body, and exhaust pipes are arranged on the upper portions of the ventilation devices. The lower portion of the ventilation device is provided with a ventilation pipe, a first induced draft fan is arranged in the ventilation pipe, a filter screen is arranged on the side, close to the outside of the frequency converter chamber body, of the first induced draft fan, and an exhaust outlet is formed in the end, away from the filter screen, of the ventilation pipe. Ventilation devices are installed on the two sides of the frequency converter chamber, extern