Boost for triggering circuit

The present invention discloses a trigger booster circuit, consisting essentially of rectifier filter circuit, the trigger circuit connected to the rectifying and filtering circuit, and a booster circuit connected to the trigger circuit composition; wherein said trigger circuit comprising: a resistor R4, a resistor R5, transistor VT2, trigger chip K, capacitor C4, a resistor R6; VT2 of the transistor base via the resistor R4 is connected to the rectifier filter circuit, the resistor R5 and the collector of the rectifier and filter circuit is connected to other components. The present invention can provide simple in design, low energy loss circuit, the output voltage of the booster circuit novel trigger.