Test device capable of simulating high-voltage direct-current interference ablation of outer anti-corrosion layer of buried pipeline

The utility model discloses a test device capable of simulating buried pipeline high-voltage direct-current interference outer anti-corrosion layer ablation. The test device comprises a soil environment simulation system, an interference signal control system and an anti-corrosion layer defect sample, the soil simulation system comprises a soil box, a thermal insulation layer, a test sample, an O-shaped ring, a soil box upper cover plate, a rubber plug and a deconcentrator; and the interference signal control system comprises a high-power direct-current power supply, a data recorder, a timing switch, a lead, a fixed-value resistor and an auxiliary electrode. According to the utility model, by arranging the soil environment simulation system, the interference signal control system and the anti-corrosion layer defect sample, the ablation phenomenon of a discharge ignition simulation site can be realized by adjusting the soil environment and interference parameters of the test sample in the test box; the problem