Visualized biological trawl net system based on submersible

A visualized biological trawl net system based on a submersible, comprising a fixation frame, wherein the visualized biological trawl net system further comprises a collection net, a filtering mechanism, a fish school observation camera and a central control system, wherein the collection net is arranged at a rear of the fixation frame and configured for collecting marine creatures;

• the filtering mechanism is arranged inside the fixation frame, and the filtering mechanism is configured for screening the marine creatures entering the collection net;
• the fish school observation camera is arranged at a top of the fixation frame, and the fish school observation camera is configured for observing the marine creatures;
• the central control system is electrically connected with the fish school observation camera and configured for controlling the fish school observation camera to monitor the marine creatures;
• the collection net comprises an outer main collection net, the outer main collection net is fixedly connected to a rear side of the fixation frame, a fixation plate is fixed inside the fixation frame, a feeding net is fixed to a rear side of the fixation plate, and the feeding net is arranged inside the outer main collection net;
• a support ring frame is fixedly connected to a front middle section of an inside of the outer main collection net, and a rotating support is arranged inside the support ring frame in a rotary connection mode;
• a plurality of blades are fixed on one side of the rotating support, the plurality of blades are distributed in an annular array, the plurality of blades are arranged outside the feeding net, and the feeding net is rotatably connected with the rotating support;
• and
• a rotary collection net is fixedly connected to a rear side of the rotating support, a connecting plate is fixedly connected to a rear end of the outer main collection net, the rotary collection net is rotatably connected with the connecting plate, connecting pipes are fixedly connected to two ends of a rear side of the connecting plate, respectively, and auxiliary collection nets are fixedly connected to rear sides of the two connecting pipes, respectively.