An electronic mesh air filtration device (9) comprises multiple electronic channels, the electronic channel being open from top to bottom, being grounded, and having a metal pipe (6) with a high-voltage resistant insulating bushing (14), upper and lower positioning boards (16, 12), a high-voltage electrode (4), electronic emitters (2, 10), left and right dust collectors (1), a through-hole dust collector (N1), and a high-energy electron generator (HD) each electronic channel has the electronic emitters (2, 10) on the center and is fixed on the high-voltage electrode (4), the high-voltage electrode (4) penetrates the through-hole dust collector (N1) and two ends thereof extend into the left and right dust collectors (1) when the high-voltage electrode (4) is electrified, the multiple electronic channels being open from top to bottom generate a high-density electronic mesh (8) not blocking air, but generating a strong resistive force for pollutants, so that high-speed impact energy of electrons (5, 13) is used to destroy gas molecules to eliminate various off odors, electronic polarities are used to eliminate pathogenic bacteria, the high-density electronic mesh (8) is used to filter dust, smog, and inhalable particles, and an electronic loop is used to collect pollution, thereby achieving a device with high efficiency, without wind resistance, and without ozone, which is specifically applicable to a fan coil unit (20) and various air purifiers.Linvention concerne un dispositif de filtration dair à maillage électronique (9) comprenant de multiples canaux électroniques, ouverts respectivement de haut en bas, mis à la terre, et comportant un tube métallique (6) pourvu dune garniture isolante (14) résistante aux hautes tensions, des plaques de positionnement supérieure et inférieure (16, 12), une électrode haute tension (4), des émetteurs délectrons (2, 10), des collecteurs de poussière (1) gauche et droit, un collecteur de poussière à ouverture traversante (N1), et un g
