X-RAY INSPECTION DEVICE

Obj ectTo provide an X-ray inspection device (1) that can suppress the occurrence of malfunction in an X-ray detection unit (6) in a configuration in which the X-ray detection unit (6) is cooled.Resolution meansAn X-ray inspection device (1) includes a conveyor (4), an X-ray irradiation unit (5), an X-ray detection unit (6), an inspection unit configured to inspect an article (G) on the basis of an X-ray transmission image, a housing (2) accommodating the X-ray irradiation unit (5) and the X-ray detection unit (6), a cool air blower (9) configured to cool air inside the housing (2) and guide cool air to the X-ray detection unit (6) via a duct (16), a monitoring unit (18) configured to monitor a state of the cool air blower (9), and a control unit (8) configured to stop the flow of air to the X-ray detection unit (6) when an anomaly of the cool air blower is detected by the monitoring unit (18).