Ultrasonic saline water concentration measuring device

The invention provides an ultrasonic saline water concentration measuring device. The ultrasonic salt water concentration measuring device comprises a test tube; the test tube is provided with an inlet and an outlet which are communicated with the internal space of the test tube; the detection structure comprises a transmitting probe and a receiving probe which are arranged at the two ends of the test tube, and at least one part of the transmitting probe and at least one part of the receiving probe extend into the inner space of the test tube, so that the transmitting probe corresponds to the receiving probe; the clear water pipeline is connected to the inlet, the side wall of the test pipe is provided with a cleaning channel which is obliquely arranged towards the detection structure, and the clear water pipeline is communicated with the internal space of the test pipe through the cleaning channel; a brine line connected to the inlet; and the controller is electrically connected with the detection structure,