Precision test-bed for comprehensive performance of blow head

The utility model relates to a precision test-bed for testing the comprehensive performance of a blow head, which belongs to the technical field of the test of agricultural facilities or plant protection facilities. The utility model comprises a water conveying pipeline which is provided with a pressure regulating valve, and a fog collecting groove, and also comprises a door-shaped stand which is arranged above the fog collecting groove, wherein a cross beam of the stand is provided with the blow head which is to be tested; the water conveying pipeline is connected with the testing blow head which is to be tested through a flow sensor and a pressure sensor. When the utility model is used for testing, the signal output ends of the flow sensor and the pressure sensor are connected with the signal input end of a microcomputer, a water pump is started, a control valve is opened, and the conditions of parameters, such as the flow of the blow head, the angle of fog blowing, the distribution of fog quantity, etc., with the change of pressure. Therefore, the characteristic of the blow head can be known, fast and simple test conditions are provided to the research of a sprinkling irrigation facility, and the detection requirements of the blow head can be satisfied.