Retroreflection coefficient testing device of reflective vest

The invention relates to a retroreflection coefficient testing device of a reflective vest. The retroreflection coefficient testing device comprises an upper-layer frame which comprises a bottom edge beam, a top edge beam and a plurality of connecting rods, and light-proof material layers are arranged between the adjacent connecting rods and between the corresponding bottom edge beam and top edge beam; the lower-layer frame comprises a base and a plurality of vertical rods, and light-proof material layers are arranged between the adjacent vertical rods and the top edge of the corresponding base; the base comprises a pool and a water tank; the upper-layer frame is detachably arranged at the top of the lower-layer frame to form a hollow testing environment surrounding the mounting seat; the water spraying device comprises a water pump, a water hose and a nozzle, and water in the water tank is pumped by the water pump and fed into the nozzle through the water hose. The retroreflection coefficient testing device