Water transparency detection device

The utility model relates to a water body transparency detection device, including first cylinder, second cylinder, connecting piece, storage module, power supply module, image recognition module, control module, the first cylinder is equipped with the camera, first cylinder and second cylinder are both made of transparent material, the second cylinder is equipped with the display screen, and the display screen is equipped with the camera. The display screen can scale characters in an equal-ratio mode, the connecting piece is connected between the first barrel body and the second barrel body, the storage module is arranged in the first barrel body, and power supply modules are arranged in the first barrel body and the second barrel body. Vertically shooting an image displayed on the display screen from a fixed distance; during detection, the image recognition module is used for continuously recognizing display screen images which are obtained by the camera and gradually change from large to small until the di