The utility model is related to environment protection field, more particularly to a kind of high voltagehigh frequency round tube stylus degerming dust-extraction unit, its characteristic is: the device includes metal tube, electrode needle, conducting bracket, power supply, and described device is provided with several metal tubes, the metal tube both ends are respectively air inlet and air outlet, described electrode needle one end is fixed on conducting bracket plate, the other end is inserted in the air outlet of the metal tube, the electrode needle is equal with the metal tube quantity, the conducting bracket connects positive pole, the metal pipe joint power cathode. The advantages of the utility model, is: device degerming high dust collection efficiency； Windage is small, thickness only 3-10cm, work when it is noiseless, the burst size of ozone is effectively controlled, and is significantly less than national standard； Device is sturdy and durable, long service life, without easily-consumed products in use process, and it is easy to loading and unloading, it is easy maintenance.本新型涉及環保領域，具體涉及一種高壓高頻圓管針極除菌除塵裝置，其特徵在于：所述的裝置包括金屬管、電極針、導電支架、電源，且所述裝置設置有若干金屬管，所述金屬管兩端分別為進風口和出風口，所述電極針一端固定于導電支架板上，另一端插置于所述金屬管的出風口內，所述電極針與所述金屬管數量相等，所述導電支架接電源正極，所述金屬管接電源負極。本新型的優點是：裝置除菌除塵效率高；風阻小、厚度僅3-10cm、工作時無噪音，臭氧的釋放量得到有效控制，大大低于國家標準；裝置堅固耐用，使用壽命長，使用過程中無易耗品，且裝卸方便，容易維護保養。
