Electric dust collection device

The present invention provides an electric dust collection device, including a charging section for charging dust particles in the air, and a dust collecting section for collecting charged dust particles in the charging section, wherein the dust collecting section includes a plurality of high voltage boards arranged in parallel with the blowing direction and applied with a preset voltage; a plurality of dust collecting plates arranged in parallel with the blowing direction and arranged between the adjacent high voltage boards; a connecting portion connecting the ends of the high voltage boards; and a power supply member coupled to the connecting portion for applying a voltage to the high voltage boards, wherein the connection portion is provided with one or more elastic fastening portions,and the power supply member is formed with one or more fastening holes. The fastening holes are formed so as to be penetrated and fastened by the elastic fastening portion. 本发明提供电集尘装置。所述电集尘装置包括：带电部，使空气中的灰尘粒子带电；以及集尘部，聚集所述带电部中