Intelligent emergency protection device for power distribution cabinet

The invention relates to the field of protection switches, in particular to an intelligent emergency protection device for a power distribution cabinet, which comprises a switch box, an arc extinguish chamber is separated in the switch box through a partition plate, an insulation box is arranged in the arc extinguish chamber, a grid sheet structure is arranged in the insulation box, and the grid sheet structure is composed of a fixed lower grid sheet and a movable upper grid sheet. The upper grid piece is installed on a movable installation plate, the movable installation plate is limited through a guide groove with an inclined groove, a movable elastic reset structure is arranged on the movable installation plate, a movable support is installed on the partition plate in a lifting mode, the movable support is located below an iron pressing piece in the switch box, and a power-off pressing piece is arranged on the movable support. A heat absorption box is arranged on the insulation box, heat absorption liquid