Anti-blocking device of on-line monitoring water sampling system

The utility model relates to the field of water quality detection, in particular to an anti-blocking device of an on-line monitoring water sampling system, which comprises a detection box structure, the top of the detection box structure is connected with a conveying pipe structure with a water conveying function, and the inside of the detection box structure is connected with a detection bottle structure for storing water. According to the water quality sampling device, aquatic plants adhering to the sampler structure can be cleaned through the driving device and the cleaning brush head, the water quality sampling speed is increased, algae impurities in water can be filtered at the same time through the filter plate and the filter screen, the water quality sampling device is simple in structure and convenient to use, and the water quality sampling efficiency is improved. The water quality detection device can detect water quality at different depths through multiple groups of conveying pipe structures and sa