Performance improved electric welder control panel

The utility model relates to an electric welder control panel with improved performance. The utility model is provided with an automatic gear shifting circuit and a high frequency interference eliminating circuit. The utility model is composed of a control circuit board, an electric control circuit and an electronic component. The electric control circuit is provided with a welder power supply, a high frequency oscillator, a workpiece, a welding stick, a control power supply, a filtering voltage stabilizing circuit, a high frequency control circuit, a welding current setting circuit, a welding current control circuit and a welding voltage feedback circuit. The utility model is characterized in that the electric control circuit is also provided with a voltage comparing circuit, an executive circuit and an auxiliary rectification circuit; the voltage comparing circuit is composed of an integrated circuit IC 1, and resistors R1, R2 and R3; the executive circuit is composed of a transistor ...