FULL AUTOMATIC ELECTRIC CURTAIN

The utility model provides a full automatic electric curtain which can automatically position, comprising a positive and negative rotating motor, a gear, a positive threaded rod, a negative silk threaded rod, a bearing, etc. Sliding blocks on the positive silk threaded rod and the negative silk threaded rod drive a curtain to open and close. The utility model yet adopts a connecting automatic power-off and power-on device comprising a drawing rod and a contact piece to automatically position when the curtain runs over. The utility model adopts the gear and the screw transmission, has simple structure and stable stabilization and effectively solves the overrun problem in the process of opening or closing the curtain.