US Patent 11628569 Self-movement robot, map invoking method, and combined robot

Provided are a self-movement robot, a map invoking method and a combined robot. The self-movement robot includes a robot body and a control center disposed on the body, the robot body comprising a distance sensor, the distance sensor collects two-dimensional map information of a working surface on which the self-movement robot is located, and collects spatial height information above the working surface on which the self-movement robot is located; and while obtaining the two-dimensional map information of the working surface, the control center overlays the spatial height information to the two-dimensional map information and obtains three-dimensional map information of a working region.