Dustproof frequency converter

The utility model provides a dustproof frequency converter which comprises a frequency converter body, the upper side of the left end of the frequency converter body is communicated with a cooling fan, the outward outlet end of the cooling fan is provided with a second dustproof net, the lower side of the right end of the frequency converter body is communicated with a cylinder, and the right end of the cylinder is provided with a first dustproof net used for blocking the inlet of the cylinder. The annular inner wall of the cylinder is connected with a fixing ring, the left end of the first dustproof net is attached to a beating plate, the beating plate is located on the right side of the fixing ring, a plurality of elastic pieces which are circularly arranged are arranged between the fixing ring and the beating plate at equal intervals, and the first dustproof net can be beaten through the design, so that dust attached to the first dustproof net is shaken out; the probability of blockage is effectively reduc