Air purification system and method according to indoor and outdoor air quality

摘要

The present invention relates to an air purification system and method according to indoor and outdoor air quality. The air purification system comprises: an indoor sensor unit and an outdoor sensor unit for detecting indoor and outdoor air quality, respectively; a ventilation driving unit to ventilate indoor air; a circulation driving unit that circulates and purifies indoor air; a control unit that compares the indoor air quality and the outdoor air quality respectively detected by the indoor sensor unit and the outdoor sensor unit, and selects and operates the ventilation driving unit or the circulation driving unit according to the comparison resu and a setting input unit for inputting a user setting so that the control unit adjusts the fan speed of the ventilation driving unit or the circulation driving unit.