PROBLEM TO BE SOLVED: To provide: a beverage sterilization unit that sterilizes reliably and provides a clean and safe beverage and a water server comprising the beverage sterilization unit.SOLUTION: Provided is a beverage sterilization unit 100 characterized in including: a cylindrical storage part 110 an inflow port 111 installed at the upstream side of the cylindrical storage part 110 an outflow port 112 installed at the downstream side of the cylindrical storage unit 110 and an ultraviolet ray-emitting element (120) installed at the lateral side of the cylindrical storage part 110, and in which a diffusion lens (140) installed on the side surface of the cylindrical storage part 110 directly irradiates the ultraviolet ray from the ultraviolet ray-emitting element (120) to at least one of the inflow port 111 and the outflow port 112.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】確実に殺菌して清潔で安全な飲料を提供する飲料殺菌ユニットおよびこの飲料殺菌ユニットを備えたウォータサーバを提供すること。【解決手段】筒状貯留部110とこの筒状貯留部110の上流側に設置された流入口111と筒状貯留部110の下流側に設置された流出口112と筒状貯留部110の側方に設置された紫外線発光素子(120)とを備え、筒状貯留部110の側面に設置された拡散レンズ(140)が、紫外線発光素子(120)からの紫外線を流入口111および流出口112の少なくとも一方に直接照射することを特徴とする飲料殺菌ユニット100。【選択図】図2
