▎ 摘　　要

NOVELTY - The utility model claims a combined structure of low-voltage draw-out switch device, comprising a low-voltage draw-out switch, a device cabinet, the low-voltage draw-out switch is installed in the device cabinet; the device cabinet comprises a device cabinet shell, a clapboard, an upper radiating cover, a rear radiating cover, an upper radiating fan, a rear radiating fan, graphene upper heat-absorbing sheet, graphene upper heat-conducting radiating sheet, graphene rear heat-absorbing sheet, graphene back heat-conducting radiating sheet, temperature monitor, smoke probe, processor, signal conversion conditioning structure, router, power supply structure, circuit access panel, universal wheel. The beneficial effects of the utility model are as follows: stable operation, convenient movement, high safety, and all electronic elements and circuits are in the sealed chamber; it can effectively avoid the insect entering the bite line; at the same time, preventing the dust from entering and depositing on the electronic element to affect the operation of the device.