Testing device for simulating atmospheric environment accelerated corrosion

The utility model relates to the technical field of tests for simulating atmospheric environment accelerated corrosion, and discloses a testing device for simulating atmospheric environment accelerated corrosion. The testing device comprises a box body, a testing wheel, a solution tank, a motor, a computer control system, a cooling system, a solution supplementing tank, an infrared lamp and an on-line infrared radiation thermometer, wherein the testing wheel is driven by the motor; the solution tank is arranged at the lower end of the testing wheel; the cooling system, the infrared lamp and the on-line infrared radiation thermometer are respectively connected with the computer control system; and the infrared lamp and the on-line infrared radiation thermometer face to a sample mounted on the testing wheel. By adopting the testing device provided by the utility model, temperature and humidity in the present box body can be accurately controlled, surface temperature of a testing steel plate is guaranteed to reach a preset value, the temperature in the box body is ensured to be constant, condensed water is prevented from dripping on the sample, the volume of the box body is reduced, the equipment is prevented from corrosion owing to adopting the mirror stainless steel plate, the requirements of a periodic infiltration and corrosion test can be completely satisfied, the service life of the testing steel plate is predicted more accurately, and a scientific proof is provided for a research on steel grade corrosion.