Water quality analysis device

The invention discloses a water quality analysis device, and relates to the technical field of water quality analysis, the water quality analysis device comprises a mounting rod and a floating plate, an electric wire is fixedly mounted in the mounting rod, an electrode is electrically mounted at the output end of the electric wire, the side wall of the electrode is in threaded connection with a filter screen cylinder, and the water quality analysis device further comprises a water inlet and a water outlet which are respectively arranged on the surface of the filter screen cylinder, the cleaning device is used for treating impurities in pores in the surface of the filter screen cylinder and comprises a guide strip fixedly mounted on the side wall of the filter screen cylinder, the guide strip is of an arc-shaped structure, a rotating ring is slidably mounted on the side wall of the guide strip, and a plurality of bristles are uniformly and fixedly mounted on the inner wall of the rotating ring; the blowing dev