Power safety start -up system

The utility model provides a power safety start -up system, this system includes: switch circuit, discharge circuit and soft start circuit, switch circuit connects between power and external equipment, and the discharge circuit is connected with power and switch circuit, and soft start circuit and switch circuit and external equipment are connected, switch circuit includes first switch tube and second switch pipe, first switch tube is connected with power, discharge circuit and soft start circuit, and the second switch pipe is connected with discharge circuit and external equipment, when powerinput voltage reached the cut in voltage of discharge circuit, first switch tube of the circuit control that discharges and second switch pipe switched on in predetermineeing first delay time to makeexternal equipment discharge through the second switch pipe, behind first delay time, first switch tube of the circuit control that discharges and the disconnection of second switch pipe, after predetermineeing the second del