Online detection system based on prediction model of nitrite nitrogen in water body

An on-line detection system based on a prediction model of nitrite nitrogen in a water body comprises a wireless sensing monitoring device located at the front end and a cloud server located at the rear end, the wireless sensing monitoring device comprises a sensor module, a concentrator module, a central processing unit module and a power supply module, the sensor module comprises a sensing unit and a micro-processing unit, and the central processing unit comprises a central processing unit. The sensing unit comprises a temperature sensor, a pH sensor, a dissolved oxygen sensor and an oxidation-reduction potential, and the central processor module is connected with the cloud server through a network; the sensor module further comprises an analog-to-digital conversion module. The central processor module comprises a main ARM processor, an Ethernet control chip, a filter transformer and a network port. According to the utility model, the temperature, the pH value, the dissolved oxygen content and the oxidation