Patent ID: 7339779

Claim:
A piezoelectric anion generator controlled by an integrated circuit IC, which includes an oscillation circuit, a frequency following-up circuit, a power amplification circuit, a step-up circuit, a voltage-doubling circuit, an ion discharging pin (J), a negative feedback voltage-stabilizing circuit and a bleeder circuit, characterized such that: the integrated circuit (IC) is connected to a periphery circuit so as to form the oscillation circuit, and the integrated circuit (IC) is connected to the periphery circuit so as to form the frequency following-up circuit, and the integrated circuit (IC) is connected to the power amplification circuit, and the power amplification circuit is connected to the step-up circuit, and the step-up circuit provides negative feedback signals and is connected to the integrated circuit (IC) via the negative feedback voltage-stabilizing circuit and synchronously is connected to the voltage-doubling circuit, and the voltage-doubling circuit is connected to the ion discharging pin (J) and the bleeder circuit, and the bleeder circuit is connected to an anion protective grid (z); the oscillation circuit is composed of the integrated circuit (IC) and an adjustable resistor (R T ) and an adjustable capacitor (C T ) in the periphery circuit; the frequency following-up circuit is composed of the integrated circuit (IC) and resistors R 1 and R 2 and capacitors C 3 and C 4 in the periphery circuit; the power amplification circuit is composed of an MOS field effect power triode (Q 1 ) and an inductor (L 1 ); the step-up circuit is composed of a piezoelectric ceramic transformer circuit; the voltage-doubling circuit is composed of a high-voltage diode and a high-voltage capacitor; the negative feedback voltage-stabilizing circuit is composed of a negative feedback circuit and the integrated circuit (IC); the bleeder circuit is composed of a bleeder resistor and a diode; the ion-discharging pin (J) is composed of a discharging needle or a discharging brush.