Frequency converter cabinet with efficient heat dissipation performance

The invention discloses a frequency converter cabinet with efficient heat dissipation performance, comprising a heat dissipation cabinet body, a top cover, a top dustproof net assembly, a frequency converter element, a heat dissipation mechanism and a heat dissipation fan, wherein the top cover is disposed at a top of the heat dissipation cabinet body; the top dustproof net assembly is movably mounted in the top cover; a locking clamping strip is disposed on the top dustproof net assembly; a clamping groove matched with the locking clamping strip is disposed on the top cover, a plurality of cooling fans are disposed below the top dustproof net assembly; air inlets are disposed on two side walls below the heat dissipation cabinet body; the frequency converter element is disposed in the heatdissipation cabinet body; the frequency converter element comprises a heating element; a heat dissipation mechanism is disposed above the heating element; and the heat dissipation mechanism comprisesa water-cooling heat diss