The utility model relates to a corona discharge type air cleaning device,Including: shell body,Having an air suction port and including an upper surface portion formed of titanium；Positive electrode,The utility model is composed of a plurality of slit shaped holes formed on the upper surface part of the shell body or an exhaust hole of a lattice shaped hole part,With a thickness of about 1.5mm；Cylindrical dust collecting plate,The upper surface part around the vent hole is vertically arranged towards the inner part of the shell body,With positive current；Multiple needle electrodes,It is a stainless steel needle electrode with multiple negative electrodes opposite to the lattice positive electrode,The front end of the needle electrode is opposite to the positive electrode；And DC high voltage current unit,DC high voltage is generated by DC low voltage,Apply DC high voltage to multiple needle electrodes,And set the positive electrode to a thickness of about 1.5mm.一種電暈放電式空氣清淨裝置，包含：外殼本體，具有空氣吸引口且包含由鈦形成的上表面部；正電極，由形成於外殼本體的上表面部的多個狹縫狀孔部或格子狀孔部的排氣孔所構成，具有約1.5mm的厚度；筒狀的集塵板，自排氣孔的周圍的上表面部向外殼本體的內部垂直設置，帶正電；多個針狀電極，為與格子狀正電極相向的多個負電極的不鏽鋼製針狀電極，且多個針狀電極的前端部與正電極相向；及直流高壓電流單元，受到直流低壓電壓而產生直流高壓電壓，對多個針狀電極施加直流高壓電壓，且將正電極設為約1.5mm的厚度。
