▎ 摘　　要

NOVELTY - The utility model claims a long-life small-volume power adapter, comprising a shell, the inner cavity of the shell is provided with a power adapter main body, and said power adapter main body connected with a shim and the shell, the power adapter main body outside is provided graphene heat conducting sheet. the graphite guide heat sheet connected with a fin, the fin connected with a radiating fin, the long service life, small size power supply adapter is set with shell body, reinforcing protection force of the power adapter by setting the damping, reducing power adapter external force shock to the internal element, by setting the fin and radiator and improve the radiating rate, by setting filler to improve the pressure resistance of the power adapter, and has the function of adsorbing vapour, through setting protective layer, reinforced anti-falling of the power adapter capability, matched with the bump is provided with a slot, the shell and the box cover connecting more tightly and effectively improves the service life of the power supply adapter.