A corona discharge type air cleaning device includes: a casing body which is provided with an air suction port having an upper surface portion made of titanium； a positive electrode which is composed of a plurality of vent holes having slit-like or lattice-like hole portions formed on the upper surface portion of the casing body, and has a thickness of about 1.5 mm； a cylindrical dust collecting plate which is vertically disposed from the upper surface portion around the vent holes toward the interior of the casing body, and is positively charged； a plurality of needle-shaped electrodes, which are stainless steel needle-shaped electrodes of a plurality of negative electrodes as opposed to lattice-shaped positive electrodes, wherein the front end portions of the plurality of needle-shaped electrodes face the positive electrode； and a direct-current high voltage current unit which generates direct-current high voltage from a direct-current low voltage, wherein the direct-current high voltage is applied to the plurality of needle-shaped electrodes, and the thickness of the positive electrode is set to be about 1.5 mm.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1.5 mm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，為與格子狀正電極對抗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1.5 mm的厚度。
