Infiltrometer for producing infiltration

The utility model discloses a soil infiltration measuring device, capable of determining the whole process of changes of the soil infiltration under rainfall condition, belonging to the agricultural soil and water engineering field. The technical proposal includes a support (11), a water tank (1), a raindrop generator (8), an underlying surface of the test area is below the raindrop generator (8). the underlying surface of the test area includes a run-off guide slot (7) and an infiltration soil section (9), one side of the infiltration soil section is provided with a run-off collector (4), an image capturing system (12) is arranged on one side of the underlying surface of the test area, two or a plurality of lateral baffle (6) with scale marks are positioned in the run-off guide slot (7) and the infiltration soil section (9). The model has the advantages of simple operation, low price, wide scope of application, convenient transportation and moving, and low cost, greatly saves manpower and material sources, and is widely applicable in research fields of ecohydrological process, water use of grain crops, irrigation management and soil erosion.