Power modulated circuit

The utility model discloses a power modulated circuit relates to the laser welding technology field, and this power modulated circuit includes: energy storage filtering unit, main power circuit, laserpower supply, current control unit and FPGA the control unit, energy storage filtering unit, laser power supply and current control unit all with main power circuit electric connection, FPGA the control unit respectively with current control unit and laser power supply electric connection. Power modulated circuit pass through respectively FPGA the control unit and current control unit realizes stable control to power output to effectively adjust the welding energy of final output, realized the effective use in the micro welding field. 本实用新型公开了种电源调制电路，涉及激光焊接技术领域，该电源调制电路包括：储能滤波单元、主功率电路、激光器电源、电流控制单元以及FPGA控制单元；所述储能滤波单元、激光器电源以及电流控制单元均与所述主功率电路电性连接，所述FPGA控制单元分别与所述电流控制单元以及激光器电源电性连接。本实用新型所述的电源调制电路分别通过所述FPGA控制单元以及所述电流控制单元对电源输出实现稳定的控制，从而有效调节最终输出的焊接能量，实现了在微焊接领域的有效应用。