Abstract:The novel explosion proof charger is developed with chopper and H-bridge converter technology,so the application problem of high frequency switch power technology is solved.Charger control circuit and control program is designed by high performance DSP,then various charger methods and functions can be released like data acquisition and real-time display.Compared with traditional charger,it has such advantages as small cubage,light weight,easy use,easy maintenance and high efficiency and good general character,and so can be fit to meet different customer demands.The intelligent charger is already applied on industrial field and indicates that intelligent charger performance is steady and the running is reliable.