High-speed rail operation door perimeter alarm device

The invention belongs to the technical field of operation door alarm, and particularly relates to a high-speed rail operation door perimeter alarm device which comprises an infrared induction warning assembly, a fixing assembly is installed on the outer wall of the infrared induction warning assembly, and an operation door opening warning assembly is arranged on the side of the fixing assembly. The infrared induction warning assembly comprises a first supporting column, a motor is installed at the top of the first supporting column, a first gear is rotationally connected to the top of the motor, a rack is meshed with one side of the first gear, a second supporting column is fixedly connected to the other side of the rack, and a handle is fixedly connected to the top of the second supporting column. An infrared sensor is fixedly connected into the second supporting column, a relay is arranged at the bottom of the infrared sensor, and a first power source is arranged at the bottom of the relay. The infrared sen