Water quality multi-parameter monitoring system with automatic quality control function

The invention provides a water quality multi-parameter monitoring system with an automatic quality control function, and belongs to the technical field of water quality monitoring. The water quality multi-parameter monitoring system with the automatic quality control function comprises a data acquisition unit and a measurement unit, the measurement unit comprises a liquid inlet module, a measurement cell, a second water pump, a first three-way valve and a second three-way valve, and the liquid inlet module is used for adding standard liquid into a first port of the measurement cell; the common end of the first three-way valve is communicated with the second port of the measuring cell through a first pipeline, the second water pump is arranged on the first pipeline, the first end of the first three-way valve is used for connecting a water sample, the second end of the first three-way valve is connected with the common end of the second three-way valve, and the first end of the second three-way valve is communi