Tunnel water level detection method, detection robot and system

The invention provides a tunnel water level detection method, detection robot and system. The detection robot comprises a robot body, the robot body is provided with a ponding detection device, the ponding detection device comprises an ultrasonic ranging sensor, a laser scanner and a controller, and the laser scanner is used for measuring the reflectance of the surface of a measured object; the ultrasonic ranging sensor is used for measuring the distance value between the robot body and the ground; and the controller is used for receiving the reflectance and the distance value, comparing the reflectance with a set threshold value, calculating the water level height of the corresponding detection point according to the distance value, comparing the water level height with a preset threshold value, and giving a water level alarm when the reflectance exceeds the set threshold value and the water level height exceeds the preset threshold value. 本公开提供了一种隧道水位检测方法、检测机器人及系统，包括机器人本体，所述机器人本体上设置有积水检测装置，所述积水检测装置包括超声测距传感器