n order to effectively sterilize air that comes into contact with drinking water in a water server, an air sterilization chamber (23) is used, said air sterilization chamber (23) comprising: a case (26) having an air inlet (24) and air outlet (25) an air chamber (27) formed inside the case (26) an ozone generator (30) that converts oxygen inside the air chamber (27) to ozone an air inflow channel (28) that communicates between the air inlet (24) and the air chamber (27) via an ozonolysis filter (32) on the inlet side which is positioned above the air chamber (27) and an air outflow channel (29) that communicates between the air chamber (27) and the air outlet (25) via the an ozonolysis filter (33) on the outlet side which is positioned above the air chamber (27).本發明係對與開飲機之飲用水接觸之空氣有效地進行殺菌。本發明採用空氣殺菌室23,其包含:盒26,其具有空氣入口24及空氣出口25;空氣室27,其形成於盒26內;臭氧產生體30,其將空氣室27中之氧氣轉變為臭氧;空氣流入路28,其經由配置於較空氣室27更上方之入口側臭氧分解過濾器32而將空氣入口24與空氣室27之間連通;及空氣流出路29,其經由配置於較空氣室27更上方之出口側臭氧分解過濾器33而將空氣室27與空氣出口25之間連通。22‧‧‧空氣導入管23‧‧‧空氣殺菌室24‧‧‧空氣入口25‧‧‧空氣出口26‧‧‧盒27‧‧‧空氣室28‧‧‧空氣流入路29‧‧‧空氣流出路30‧‧‧臭氧產生體31‧‧‧控制基板32‧‧‧入口側臭氧分解過濾器33‧‧‧出口側臭氧分解過濾器34‧‧‧螺旋路34A‧‧‧路徑34B‧‧‧路徑35‧‧‧連通路36‧‧‧通氣孔37‧‧‧螺旋路37A‧‧‧路徑37B‧‧‧路徑
