Dynamic standard configuration quality control instrument

The utility model relates to a dynamic standard configuration quality control instrument which comprises a standard liquid tank, a sample configuration cup, a sample water cup and a water quality analyzer, the top of the sample configuration cup and the top of the sample water cup are respectively connected with a sample supply pipe leading to the water quality analyzer, and the top of the sample configuration cup and the top of the sample water cup are respectively connected with a sample injection pipe. The top of the sample preparation cup is connected with a pure water pipe and a standard liquid pipe connected to a standard liquid tank, the standard liquid pipe is provided with a plunger pump, the lower part of the side wall of the sample preparation cup is connected with an air blowing pipe, the upper part of the side wall of the sample preparation cup is provided with a constant volume opening, and the bottoms of the sample preparation cup and the sample water cup are respectively connected with an empt