Increase a class resonance drive circuit

The utility model discloses an increase a class resonance drive circuit, including the main transformer T1 who controls IC and be connected with control IC, driving transformer T2, filter capacitance (C3, C4, C5, C6, C7, C8, C9, ), time delay electric capacity (C1, C2, ), resonant capacitor (C10, C11, ), filter inductor (L1, L3, ), resonant inductance L2, field effect transistor (Q1, Q2, Q3, Q4, Q5, Q6, ), NPN type triode Q9, PNP type triode (Q7, Q8, ), diode (D1, D2, D3, D4, D5, D6, D7, D8, ), zener diode (ZD1, ZD2, ZD3, ), resistance R1 constitutes to R20, the utility model is characterized in that, winding N3 of increase realizes increasing stream in utilizing the T2 transformer, T2 transformer N5 winding drive top tube, T2 transformer N4 winding drive low tube, the current circuit is realized increasing by T2 transformer N3 winding, it drives field effect transistor to form half -bridge resonance drive circuit, this kind utilizes and increases a class winding in the transformer and be half -bridge resonan