▎ 摘　　要

NOVELTY - The utility model belongs to the technical field of air conditioner set electric heating device, especially an electric heating module of combined air conditioner set, comprising an electric heating unit, an electric heating module, the electric heating unit comprises an aluminium pipe, the top part of the aluminium pipe is provided with an upper frame, the bottom of the aluminium pipe is provided with a lower frame, the upper frame is provided with a fin, one end of the aluminium pipe is provided with a wiring terminal, the bottom of the lower frame is provided with a combined insert, the upper frame is provided with a mounting cavity, the mounting cavity is provided with screw thread rod, the combined insert is provided with screw thread hole; the outer side of the fin is coated with graphene coating layer. The utility model through the mounting cavity, screw thread rod, a combined insert, screw thread hole, coating graphene the two groups of electric heating unit reach the combined effect, according to the actual condition, flexibly changing the specification of the electric heating module according to the combination form, improving applicability, and improving the radiating efficiency of the fin in the process of electrifying the electric heating module.