Abstract: Disclosed is a hollow louver top operating system comprising a rotating mechanism configured to open and close louver blades of a curtain; and a lifting mechanism configured to lift the curtain up and down, wherein the rotating mechanism comprises a rotating rope and a top rotating controller, and the rotating rope is connected between the top rotating controller and a first side of the curtain, wherein the lifting mechanism comprises a lifting rope and a top lifting controller, and the lifting rope is connected between the top lifting controller and a second side of the curtain, and wherein the top rotating controller and the top lifting controller are disposed in an upper frame portion of the window frame.

Abstract: A rechargeable electric externally-hung venetian blind assembly includes a venetian blind main body and a controller. The top of the venetian blind main body is provided with an upper cover, and the controller is detachably installed on the surface of the upper cover and controls the lifting and lowering of the venetian blind main body. Two ends of the upper cover are provided with a sealing cover, and the sealing cover and the upper cover enclose an accommodating space. When the venetian blind main body is in a tightened state, the venetian blind main body is accommodated in the accommodating space to avoid damage during transportation. The rechargeable electric externally-hung venetian blind assembly achieves the technical effects of convenient and safe transportation and easy installation, use and maintenance.