L-shaped air-cooled heat dissipation device suitable for tramcar converter

The utility model relates to a current transformer, in particular to an L-shaped air cooling heat dissipation device suitable for a tramcar current transformer. The defects that an existing tramcar converter is large in size, prone to dust accumulation in the converter, high in price and cost and the like are overcome. The device comprises a cabinet body, a radiator is fixed at the bottom of the cabinet; the radiator is composed of a shell and a plurality of radiating fins. A shell of the radiator is composed of a top plate, a bottom plate, a front plate and a rear plate. The radiating fins are fixed between a top plate and a bottom plate of the shell, a first wind shield is arranged between the left end of the top plate of the shell of the radiator and the left wall of the cabinet body, asecond wind shield is arranged at the right end of the top plate of the shell of the radiator and is in a folded plate shape, and a front plate and a rear plate of the shell of the radiator make sealing contact with the fron