Environmental test bin for whole vehicle drum

The utility model relates to the technical field of a finished automobile drum test, in particular to a finished automobile drum environment test bin which comprises a test bin body provided with a front door and a rear door, an automobile drum test bed is arranged at the bottom end of the test bin body, a ventilation opening is formed in the top of one end of the test bin body, and a dust filtering plate is fixed to the ventilation opening. A mounting box is fixed to the top of the other end of the test bin, a draft fan is arranged in the mounting box, a three-way catalyst converter is arranged on the outer side of the mounting box, a water tank is fixed to the top wall of the test bin, a booster pump is fixed to one side of the water tank, a controller is fixed to one side of the water tank, and a spraying pipe and a smoke alarm are fixed to the top of an inner cavity of the test bin. A plurality of limiting assemblies are arranged on the side wall of the test bin body; when the anti-falling device is used,