| 摘要 |
An air purifier comprises a first filtering unit (5) located at an air inlet, wherein the first filtering unit (5) comprises a dust collection filtering portion (9), an activated carbon filtering portion (10), a zeolite filtering portion (11) and the like, and the dust collection filtering portion (9) is configured on one side close to the air inlet; a second filtering unit close to an air outlet, wherein the second filtering unit comprises a hollow cylindrical casing which is electrically insulating, a cylindrical outer peripheral electrode (8) configured on an inner peripheral wall surface of the hollow cylindrical casing, a rod-like central electrode (7) maintained on a central axis of the outer peripheral electrode (8), and a metal hollow cylinder configured between the outer peripheral electrode (8) and the central electrode (7), the metal hollow cylinder is insulated and provided with a plurality of holes so as to enable influent granular substances to penetrate without accumulation; and a control and air quality detection unit (1), arranged on an upper portion of a main body frame and used for controlling and detecting quality of air passing through the air purifier. |
