Household multifunctional ultrasonic cleaning sterilizer

The invention discloses a household multifunctional ultrasonic cleaning sterilizer which comprises a control module, an ozone generating device, a stainless steel cavity, a plurality of ultrasonic transducers, a signal generating module, a signal isolation module, a power amplifying circuit and a matching circuit. The ultrasonic transducers which are connected with one another in parallel are closely combined with the inner side surface of the stainless steel cavity, the signal generating module is used for emitting ultrasonic waves, the signal isolation module is used for suppressing interference and isolating signals, the power amplifying circuit is used for amplifying the power of the signals so as to drive the ultrasonic transducers, the matching circuit is used for tuning and matching impedance, the signal generating module and the ozone generating device are respectively connected with the control module, and the signal generating module, the signal isolation module, the power amplifying circuit and the