PROBLEM TO BE SOLVED: To reduce places where ultraviolet ray irradiation is insufficient in a container.SOLUTION: A sterilization device 1 irradiates a plurality of containers 2 with ultraviolet rays and performs sterilization, and it includes: an irradiation bar 12 which is inserted in each container 2, which has a shape extending in a depth direction A of the container 2, and which has ultraviolet ray LEDs 20 radiating ultraviolet rays to an opposing place of an inside surface 2B1 of the container 2 and an opposing place of a bottom surface 2B2 of the container 2 and a lighting control device 18 for lighting only the ultraviolet ray LEDs 20 positioned in the container 2 out of the ultraviolet ray LEDs 20 of the irradiation bar 12.SELECTED DRAWING: Figure 1【課題】容器内において紫外線照射が不十分となる箇所を低減する。【解決手段】複数の容器2内に紫外線を照射し殺菌する殺菌装置1であって、それぞれの容器2に挿入され、前記容器2の深さ方向Aに延びる形状を成し、前記容器2の内側面2B1との対向箇所、及び前記容器2の底面2B2との対向箇所のそれぞれに、紫外線を放射する紫外線LED20が設けられた照射バー12と、前記照射バー12の紫外線LED20のうち前記容器2内に位置する前記紫外線LED20のみを点灯させる点滅制御装置18と、を備える。【選択図】図1
