Online ring calibration dust collection and current collection system

The invention discloses an online ring calibration dust collection and current collection system, and the system comprises a shell and a dust collector shell; a conducting ring is installed in the shell, a brush lifting device, an online ring calibration device and a conducting plate are fixed to the conducting ring through bolts, an infrared thermometer is installed on the shell, the conducting ring is fixed to a conducting ring base through an insulating layer, the conductive ring seat is fixed on the shell, a ventilation pipeline is connected between the shell and the dust collector shell, the main body of the dust collector shell is respectively provided with an exhaust fan, a high-voltage pulse air bag and a filter, and the lower part of the dust collector shell is provided with a dust collection box. The motor slip ring, the electric brush and the brush holder are subjected to air flow cooling through the ventilation window, the ventilation pipeline and the dust collection system, so the heat and dust g