Portable ultrasonic cleaner

The utility model provides a portable ultrasonic cleaner. The ultrasonic cleaning device comprises a cylinder body, a cleaning tank, a controller, a frequency converter and a plurality of transducers,the cleaning tank is a hollow cylindrical cavity; wherein the barrel body is a hollow square body, the cleaning tank is arranged in the barrel body, the frequency converter and the controller are arranged between the outer wall of the cleaning tank and the inner wall of the barrel body, the controller is connected with the frequency converter, the frequency converter is connected with the transducers, the transducers are arranged at the bottom end of the cleaning tank, and the output ends of the transducers are in butt joint with the bottom end of the cleaning tank. A plurality of transducersare arranged at the bottom end of the cleaning tank, the transducers generate ultrasonic waves, and the ultrasonic waves act on liquid in the cleaning tank, so that articles in the cleaning tank arecleaned, the cleaning effic