Direct current fills electric pile suitable for photovoltaic electric automobile charging system

The utility model relates to a direct current fills electric pile suitable for photovoltaic electric automobile charging system, include: the shell sets up the charging circuit topological structure in the shell, charging circuit topological structure's power -on crosses that photovoltaic system is taken from to total power transmission line or the direct current link of net is joined in marriageto the direct current, charging circuit topological structure includes: establish on total power transmission line, electric quantity metering device is connected to the switch -on of control input power, the switch of closing, the electric quantity output end of switch, electric quantity metering device passes through the DCDC converter and connects electric capacity energy memory, electric capacity energy memory's electric quantity output end passes through DCAC converter output discharging electric -quantity to output filter circuit, output filter circuit's electric quantity output end is connected to alternating c