The utility model provides an ultraviolet sterilization device.Including: box；Air inlet and air outlet,They are respectively formed on the box body；Multiple first diaphragms,It is arranged inside the box near the air inlet and air outlet；Two shelter spaces,Formed near the air inlet and air outlet,And defined by the first diaphragm；Sterilization space,Formed between two sheltered spaces；Two air channels,Formed by the first partition near the air inlet and air outlet,And connected with the sterilization space；At least one UV lamp,Set in the sterilization space；And power supply,It is set outside the box.Power the UV sterilizer.The first diaphragm is a metal material which does not have light transmittance.本新型提供一種紫外線殺菌裝置，包括：箱體；空氣入口及空氣出口，分別形成於箱體上；多片第一隔板，設置於箱體內部靠近空氣入口及空氣出口處；兩個遮蔽空間，形成於靠近空氣入口及空氣出口處，且由第一隔板所界定；殺菌空間，形成於兩個遮蔽空間之間；兩個空氣通道，由第一隔板形成於靠近空氣入口及空氣出口處，並和殺菌空間連通；至少一個紫外線燈，設置於殺菌空間中；以及電源供應器，設置於箱體外部，對紫外線殺菌裝置提供電力，其中第一隔板係不具有透光性的金屬材質。
