Special frequency converter for textile machine

The invention discloses a special frequency converter for a textile machine, which comprises a box body, a cable interface is arranged on the box wall of the box body, a circuit board is arranged in the box body, the special frequency converter also comprises a ventilation pipe, the ventilation pipe is arc-shaped and is arranged on the box wall of the box body, two pipe orifices of the ventilation pipe are respectively positioned inside and outside the box body, and a plurality of filter screen plates are arranged in the ventilation pipe. The filter screen plates are parallel to each other, and the pipe orifices, positioned outside the box body, of the ventilation pipe face one side of the box bottom. The special frequency converter has the following advantages that the ventilation pipe and the multiple filter screen plates are combined for use, so that the phenomenon that the ventilation pipe is blocked by cotton dust or fluff during ventilation is avoided, and the reliability is high. 本申请公开了纺织机专用变频器，包括箱体，所述