Data acquisition device

The utility model relates to the technical field of data acquisition devices, in particular to a data acquisition device, which comprises an acquisition device, wiring ports are equidistantly arranged on the rear side of the acquisition device, a heat dissipation mechanism is arranged on the outer surface of the acquisition device and comprises a protective shell, shielding mechanisms are arranged on the outer surfaces of the wiring ports and comprise shielding plates, and the shielding plates are arranged on the outer surfaces of the wiring ports. A protective shell is arranged on the outer surface of the collector, a movable plate is fixed to the bottom end of the collector, the two ends of the movable plate are connected to the interior of the protective shell through sliding mechanisms, hinge rods are hinged to the two sides of the bottom end of the movable plate, a movable groove is formed in the bottom end of the protective shell, and a reverse screw is movably connected to the inner wall of the movable