Submarine photoelectric composite cable and preparation method and preparation system thereof

The submarine photoelectric composite cable comprises a central reinforcing member, and an optical unit, an electric unit and a filling strip which are located at the periphery of the central reinforcing member, and further comprises a wrapping layer, an inner protective layer, a sensing optical fiber, a protective layer and an armor layer, and the wrapping layer, the inner protective layer, the sensing optical fiber, the protective layer and the armor layer are sequentially wrapped outside the optical unit, the electric unit and the filling strip from inside to outside. The invention also provides a preparation method and a preparation system of the submarine photoelectric composite cable. 一种海底光电复合缆包括中心加强件、位于中心加强件的外围的光单元、电单元及填充条，还包括绕包层、内护层、传感光纤、保护层及铠装层，绕包层、内护层、传感光纤、保护层及铠装层由内向外依次包覆于光单元、电单元及填充条外。本申请还提供了一种海底光电复合缆制备方法及制备系统。