Provided is a corona discharge device that is capable of performing stable corona discharge and that can easily be assembled. The present invention is provided with a charge part high-pressure electrode unit (10) having a plurality of charge part high-pressure electrodes (11) configured from electroconductive flat plates or wires, and a charge part grounding electrode unit (20) configured from an electroconductive flat plate, the charge part grounding electrode unit (20) has a plurality of charge part grounding electrodes (21) configured from flat plates, the plurality of charge part high-pressure electrodes (11) are spaced apart in a direction intersecting with an air flow of an wind duct (61), end parts at one or both ends in the longitudinal direction of the charge part high-pressure electrodes (11) are connected to each other by an electroconductive frame part (13), and in the charge part grounding electrode unit (20), the plurality of charge part grounding electrodes (21) are inserted between adjacent charge part high-pressure electrodes (11) so that the plane of the charge part grounding electrodes (21) is oriented substantially parallel to the flow of air through the wind duct (61), one or both ends of the charge part grounding electrodes (21) in the longitudinal direction thereof are connected to each other by the electroconductive frame part (23), and the plurality of charge part high-pressure electrodes (11) and the plurality of charge part grounding electrodes (21) are spaced apart and layered in alternating fashion in a direction intersecting with the air flow of the wind duct (61).La présente invention concerne un dispositif à effet couronne capable deffectuer un effet couronne et facilement assemblé. La présente invention est pourvue dune unité délectrode à haute pression de pièce de charge (10) présentant une pluralité délectrodes à haute pression de pièce de charge (11) configurées à parti de plaques plates ou de fils électroconducteurs, et une unité
