Cabinet air-conditioner with air exhaust opening slide door and start and stop method for slide door

The invention provides a cabinet-type air conditioner with air-exhaust sliding gate of easy structure, low cost, stable sliding and long performance life for better market competition, comprising a upper panel, a lower panel, a sliding gate arranged in front of the air-exhaust which can be shut off by the sliding gate moving up and down, a gate driving device arranged on the inner side of the sliding gate and at the rear of upper panel, and left and right frames which are arranged at the back of upper panel and provided with frame tracks guiding the sliding gate to slide, wherein the gate driving device comprises a driving element, a gear element and a track which is a horizontal strip structure with a horizontal chute in the middle and arranged at the rear of the sliding gate, the gear element is connected with a pendulum bar with a rolling element at the end which is arranged in the horizontal chute in the middle of the track to roll.