A gas cleaning apparatus includes: an ion source to provide an ion beam, a charging zone to form charged particles by exposing particles of a particle-laden gas to the ion beam, and a filter element to collect the charged particles,
wherein the ion source includes a corona electrode to generate ions by a corona discharge, the ion source is arranged to form the corona discharge in a protective gas, and wherein the apparatus is arranged to form the ion beam by using an electric field to draw the generated ions from the corona discharge to the particle-laden gas.

An ion generating device, a method for manufacturing an ion generating device, and an air conditioner are provided. The ion generating device may include a discharge electrode that generates ions, and a power supply that applies power to the discharge electrode. The discharge electrode may include a support formed of a conductor, and a discharge pin formed to protrude from a surface of the support and having a tip. The discharge pin may include nickel (Ni).

An ion generating device, a method for manufacturing an ion generating device, and an air conditioner are provided. The ion generating device may include a discharge electrode that generates ions, and a power supply that applies power to the discharge electrode. The discharge electrode may include a support formed of a conductor, and a discharge pin formed to protrude from a surface of the support and having a tip. The discharge pin may include nickel (Ni).

A dust collection unit for an electric precipitator and the electric precipitator including same, comprising: a plurality of dust collection films arranged apart from each other and including different, alternately arranged electrodes; a fixing member which is coupled to the plurality of dust collection films at one side or both sides where the plurality of collection films are arranged, so as to fix the plurality of dust collection films to be spaced apart from each other at specific intervals, and a ground electrode accommodated inside the fixing member. Accordingly, the dust collection performance of the electric precipitator may be improved by facilitating the discharge of a charging unit by suppressing an electric field generated by applying a high voltage to the plurality of dust collection films.

A dust collection unit for an electric precipitator and the electric precipitator including same, comprising: a plurality of dust collection films arranged apart from each other and including different, alternately arranged electrodes; a fixing member which is coupled to the plurality of dust collection films at one side or both sides where the plurality of collection films are arranged, so as to fix the plurality of dust collection films to be spaced apart from each other at specific intervals, and a ground electrode accommodated inside the fixing member. Accordingly, the dust collection performance of the electric precipitator may be improved by facilitating the discharge of a charging unit by suppressing an electric field generated by applying a high voltage to the plurality of dust collection films.

Disclosed herein is an electric dust collecting device including: a semi-conductive structure including at least one of a semi-conductive filter mesh or a semi-conductive grille, a plurality of low-voltage electrodes disposed on a downstream side of an air flow path than the semi-conductive structure, including a first dielectric layer and a first conductive electrode layer in the first dielectric layer, and configured to receive an applied low voltage, and a plurality of high-voltage electrodes arranged alternately with the plurality of low-voltage electrodes, including a second dielectric layer and a second conductive electrode layer in the second dielectric layer, and configured to receive an applied high-voltage, wherein the second conductive electrode layer includes a first discharge portion exposed to the outside of the second dielectric layer in an air flow direction and a second discharge portion adjacent to the first discharge portion, and a distance P between the first discharge portion and the second discharge portion is greater than a distance D between the first discharge portion or second discharge portion and the semi-conductive structure.

Disclosed herein is an electric dust collecting device including: a semi-conductive structure including at least one of a semi-conductive filter mesh or a semi-conductive grille, a plurality of low-voltage electrodes disposed on a downstream side of an air flow path than the semi-conductive structure, including a first dielectric layer and a first conductive electrode layer in the first dielectric layer, and configured to receive an applied low voltage, and a plurality of high-voltage electrodes arranged alternately with the plurality of low-voltage electrodes, including a second dielectric layer and a second conductive electrode layer in the second dielectric layer, and configured to receive an applied high-voltage, wherein the second conductive electrode layer includes a first discharge portion exposed to the outside of the second dielectric layer in an air flow direction and a second discharge portion adjacent to the first discharge portion, and a distance P between the first discharge portion and the second discharge portion is greater than a distance D between the first discharge portion or second discharge portion and the semi-conductive structure.

An electrification apparatus for dust collection includes an electrification module configured to generate ions that are emitted to air. The electrification module comprises: a high voltage tip comprising at least one discharge tip configured to emit the ions in a direction opposite to a flow direction of the air, a conductive plate disposed around the discharge tip and configured to generate an electric potential difference with the discharge tip of the high voltage tip, a lower frame that mounts the conductive plate and the high voltage tip, and an upper frame that is coupled to the lower frame and that covers the conductive plate and the high voltage tip so that the discharge tip is exposed to outward.

An electrification apparatus for dust collection includes an electrification module configured to generate ions that are emitted to air. The electrification module comprises: a high voltage tip comprising at least one discharge tip configured to emit the ions in a direction opposite to a flow direction of the air, a conductive plate disposed around the discharge tip and configured to generate an electric potential difference with the discharge tip of the high voltage tip, a lower frame that mounts the conductive plate and the high voltage tip, and an upper frame that is coupled to the lower frame and that covers the conductive plate and the high voltage tip so that the discharge tip is exposed to outward.

A wearable air purifier having: a shell having an electrical connecting part on an inner surface thereof and the electrical connecting part being electrically connected to an outer surface conductive area of the shell; a circuit board provided inside the shell and having a grounding layer electrically coupled to the electrical connecting part via a grounding structure; and a wearable member connected to the shell for a user to wear to carry the wearable air purifier on the user.