Simulation test device for evaluating protection efficiency of air-space-ground-sea equipment under breakthrough coupling loading

The invention discloses an air-space-ground-sea equipment protection efficiency evaluation simulation test device under breakthrough coupling loading, and relates to the technical field of equipment protection structure explosion protection efficiency evaluation simulation test devices, and the air-space-ground-sea equipment protection efficiency evaluation simulation test device comprises a target plate simulation device and a fragment shock wave generation device; wherein the target plate simulation device comprises an impact cabin and a reverse effect cabin, a test target plate is detachably connected between the impact cabin and the reverse effect cabin, one end, far away from the reverse effect cabin, of the impact cabin is detachably connected with a breaking diaphragm, the impact cabin is connected with an impact gas injection pump, and the reverse effect cabin is connected with a reverse effect gas injection pump; seawater injection ports are formed in the outer walls of the impact cabin and the rever