Water plant and pipe network online water quality detection system and control method thereof

The invention discloses a water plant and pipe network online water quality detection system and a control method thereof, belongs to the technical field of water supply monitoring, and the technical scheme is characterized in that the system comprises a water inlet pipe, a pressure detection device, a turbidity detection device, a first water storage tank, a second water storage tank and a detection agent adding device; the water inlet pipe comprises a first water inlet valve, a second water inlet valve and a third water inlet valve; the pressure detection device is connected with the first water inlet valve; the turbidity detection device is connected with the second water inlet valve; the first water storage tank is connected with the third water inlet valve, and a temperature sensor and a pH value sensor are arranged in the first water storage tank; the second water storage tank is connected with the first water storage tank, and the second water storage tank is provided with a spectrophotometer; the dete