Patent ID: 9089848
Filing Date: 2015-07-28
Classification: B01D,B03C,F24F

Abstract:
1. A switching device for an air purifier comprising: a circuit board; a timing and switching module configured on the circuit board; a manual switch electrically connected to the circuit board that sets the switching device to operate in one of an automatic mode and a manual mode; a fan module electrically connected to the circuit board; a positive and negative ion production module electrically connected to the timing and switching module and the manual switch; and a negative ion production module electrically connected to the timing and switching module and the manual switch; wherein, under the automatic mode, the timing and switching device repeatedly and alternately activates the negative ion production module and the positive and negative ion production module; and, under the manual mode, the positive and negative ion production module is activated and the negative ion production module is deactivated.