▎ 摘　　要

NOVELTY - The utility model claims a cold and warm double-supply device, comprising a cold accumulation and cold accumulating box is provided with an interlayer, the interlayer is filled graphene heat cold conducting material, transverse duct is set in the interlayer. cold heat is set between the wind pipe and the interlayer, cold heat is set with insulating layer; the cold accumulating box is set on the right pre-cooling and preheating box, pre-cooling and preheating box is vertically equipped with two parallel rows of pre-cooling and pre-heating water pipe, between two rows pre-cooling pre-heating water pipe provided with a through connection pipe; the water supply port and a water return inlet of the pre-cooling and pre-heating water pipe connection end building supply cold and heat device, the right side of the pre-cooling and pre-heating box is provided with an air outlet, the outlet is provided with a fan, the air outlet joint J type air passage, connected with cold air channel of the J type. The beneficial effect of the utility model: it solves the current stage is not reliable heating cold insulating device reduces loss of heat or cold air, reduces the energy consumption of heating, cooling device, and effectively reduces environment pollution caused by heating, cooling.