1results about How to "Avoid electrical interference" patented technology

The utility model discloses an air purification device and a control circuit, which comprise an integrated shell, a power supply assembly, a power input interface and a power management circuit, wherein a negative ion generation module, an ozone generation module and a main control board are arranged at the top of the integrated shell, and the power input interface and the power management circuit are uniformly configured. The power management circuit and the main control board supply power to the negative ion generation module and the ozone generation module in a distributed mode, the control circuit is connected with the main control board and used for adjusting and controlling the working states of the negative ion generation module and the ozone generation module, and the control circuit comprises a mode selection unit, a time sequence control unit and a safety protection unit. The control circuit is configured to at least realize one of a negative ion independent working mode, an ozone independent working mode and a cooperative working mode, and in the cooperative working mode, the negative ion generation module and the ozone generation module alternately work according to a preset time sequence; the utility model has the advantages of abundant working modes, simple power supply module and lower production cost.