Abstract: The present invention relates to an apparatus for purifying indoor air using plasma. More specifically, the plasma air purifying apparatus according to an embodiment of the present invention includes a plasma discharge module that generates plasma to remove microorganisms such as bacteria and viruses and various harmful substances contained in the sucked air, a catalytic filter unit that removes residual ozone (O3) remaining after a chemical reaction by plasma, an ultraviolet (UV) irradiation unit that rapidly promotes the ozone (O3) decomposition reaction of the catalytic filter unit, an ozone sensor unit that detects the concentration of ozone (O3) generated by plasma, a power supply unit that supplies electric power to the plasma discharge module, and a control unit that controls the power supply of the power supply unit.

Abstract: The following disclosure relates to a home plasma sterilizer that sterilizes household items in a home by using plasma. According to an embodiment, there is provided a home plasma sterilizer including: a plurality of plasma electrode modules configured to generate plasma in order to sterilize a sterilization target object inside a sterilization chamber; a harmful gas removal unit configured to communicate with the sterilization chamber, and provided with a catalytic filter that is intended to remove harmful gas inside the sterilization chamber; a power supply unit configured to supply power to the plasma electrode modules; and a control unit configured to control the supply of power by the power supply unit; wherein the control unit performs control so that the plurality of plasma electrode modules is sequentially supplied with power at predetermined cycles but the supply of power is continuous as a whole.

Abstract: The following disclosure relates to a home plasma sterilizer that sterilizes household items in a home by using plasma. According to an embodiment, there is provided a home plasma sterilizer including: a plurality of plasma electrode modules configured to generate plasma in order to sterilize a sterilization target object inside a sterilization chamber; a harmful gas removal unit configured to communicate with the sterilization chamber, and provided with a catalytic filter that is intended to remove harmful gas inside the sterilization chamber; a power supply unit configured to supply power to the plasma electrode modules; and a control unit configured to control the supply of power by the power supply unit; wherein the control unit performs control so that the plurality of plasma electrode modules is sequentially supplied with power at predetermined cycles but the supply of power is continuous as a whole.