An air purifier capable of removing hazardous substances and viruses from air. The air purifier further includes: a body having an air inlet formed on a lower end thereof, an air outlet formed on an upper end thereof, and a flow path formed therein to move air upward; a pre-filter disposed in the flow path of the body; a box-shaped cell type discharge device disposed in the flow path of the body to generate active species; a dust collection device in the flow path of the body and having a discharge part with a linear discharge electrode and a dust collection part for collecting the dust charged through the discharge part; an ozone removal device in the flow path of the body to remove ozone generated from the discharge device and/or the dust collection device; and an air fan disposed in the flow path of the body.

An air purifier capable of removing hazardous substances and viruses from air. The air purifier further includes: a body having an air inlet formed on a lower end thereof, an air outlet formed on an upper end thereof, and a flow path formed therein to move air upward; a pre-filter disposed in the flow path of the body; a box-shaped cell type discharge device disposed in the flow path of the body to generate active species; a dust collection device in the flow path of the body and having a discharge part with a linear discharge electrode and a dust collection part for collecting the dust charged through the discharge part; an ozone removal device in the flow path of the body to remove ozone generated from the discharge device and/or the dust collection device; and an air fan disposed in the flow path of the body.

An electrostatic precipitator includes a collecting electrode provided along a gas flow direction, including a plurality of openings being formed in the collecting electrode, and a discharge electrode arranged in parallel with the collecting electrode. The discharge electrode includes a plurality of corona discharge portions for corona discharge, the plurality of corona discharge portions are continuously provided in the gas flow direction, and are protruding toward only one collecting electrode of the collecting electrodes that face each other. A plurality of collecting electrodes and a plurality of discharge electrodes are alternately arranged in a direction orthogonal to a gas flow direction. In each of the upstream region and the downstream region in the gas flow direction, all of the corona discharge portions protrude in the same direction.

An electrostatic precipitator includes a collecting electrode provided along a gas flow direction, including a plurality of openings being formed in the collecting electrode, and a discharge electrode arranged in parallel with the collecting electrode. The discharge electrode includes a plurality of corona discharge portions for corona discharge, the plurality of corona discharge portions are continuously provided in the gas flow direction, and are protruding toward only one collecting electrode of the collecting electrodes that face each other. A plurality of collecting electrodes and a plurality of discharge electrodes are alternately arranged in a direction orthogonal to a gas flow direction. In each of the upstream region and the downstream region in the gas flow direction, all of the corona discharge portions protrude in the same direction.

An air conditioning apparatus according to an aspect of the present invention includes a main body including a suction part through which air is suctioned and a discharge part through which the air suctioned through the suction part is discharged, a fan disposed in the main body to allow the air to flow, an electric charge device coupled to the main body outside the main body to charge dust in the air, and a filter device disposed between the suction part and the discharge part in the main body to collect the charged dust particles.

An air conditioning apparatus according to an aspect of the present invention includes a main body including a suction part through which air is suctioned and a discharge part through which the air suctioned through the suction part is discharged, a fan disposed in the main body to allow the air to flow, an electric charge device coupled to the main body outside the main body to charge dust in the air, and a filter device disposed between the suction part and the discharge part in the main body to collect the charged dust particles.

The present application provides an ultra-thin micro-electrostatic module and a production method. The ultra-thin micro-electrostatic module includes a micro-electrostatic module core, wherein the micro-electrostatic module core comprises a plurality of air channels for air circulation and is provided with a fixing groove; a frame body comprising a plurality of frames arranged corresponding to the micro-electrostatic module core, wherein the micro-electrostatic module core is accommodated in the frame body; and a fixing component, wherein the fixing component is embedded in the fixing groove, and is connected with the frame body and the micro-electrostatic module core to fix the micro-electrostatic module core. The ultra-thin micro-electrostatic module in the present application solves the technical problem that the outer frame of the micro-electrostatic module occupies the size in the thickness direction, resulting in the loss of purification efficiency and dust holding capacity.

The present application provides an ultra-thin micro-electrostatic module and a production method. The ultra-thin micro-electrostatic module includes a micro-electrostatic module core, wherein the micro-electrostatic module core comprises a plurality of air channels for air circulation and is provided with a fixing groove; a frame body comprising a plurality of frames arranged corresponding to the micro-electrostatic module core, wherein the micro-electrostatic module core is accommodated in the frame body; and a fixing component, wherein the fixing component is embedded in the fixing groove, and is connected with the frame body and the micro-electrostatic module core to fix the micro-electrostatic module core. The ultra-thin micro-electrostatic module in the present application solves the technical problem that the outer frame of the micro-electrostatic module occupies the size in the thickness direction, resulting in the loss of purification efficiency and dust holding capacity.