Electric window opener

The utility model discloses an electric window opener which comprises a casing, a power mechanism, a chain, a guide frame of the chain, a transmission gear and a travel controlling circuit board, wherein one end of the chain is fixed on the guide frame of the chain, and the other end of the chain extends outwards from the side wall of the casing; the power mechanism comprises a motor, a worm wheel and a worm, wherein the worm is fixed on the output shaft of the motor, the worm wheel is respectively connected with the worm and the transmission gear, and the transmission gear is connected with the chain; an inductor which is used for controlling the travel of the chain is arranged on the travel controlling circuit board. The utility model has the advantages of delicate appearance, convenient use, flexible open, labor saving, safety, etc., and is especially suitable for large public places, such as airfields, guesthouses, stadiums, shopping centers, industrial factory buildings, etc.