▎ 摘　　要

NOVELTY - The utility model model claims a full heat exchange bidirectional flow fresh air system with bidirectional sterilizing and disinfecting function comprising a machine case with inner cavity; the inner cavity is provided with a graphene full heat exchanger, an air exhaust fan and a fresh air fan, the inner cavity is further provided with an air purifying sterilizing mechanism and multiple separating plates, the air purifying sterilizing mechanism a high pressure electrostatic dust collector, a sterilizing and disinfecting purifying box, a photocatalyst filter screen and a first efficient filter screen, the graphene full heat exchanger and several separating plates divide the inner cavity into a first fresh air a first air exhaust duct, a second fresh air duct and a second air duct, the first air fresh air, the first air duct, the second fresh air duct and the second air duct and the second air duct are orderly distributed around the graphene full heat exchanger and two adjacent; The utility model is matched ventilation system air purifying and sterilizing mechanism realizing the indoor and outdoor ventilation to improve the oxygen content in the indoor air, and killing the bacteria and virus in the air, so as to ensure the air purifying effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the full heat exchange bidirectional flow fresh air system with bidirectional sterilizing and disinfecting function to claim.