阅读说明：本技术 扫描模块的电机转速控制方法、装置和测距装置 (Motor rotating speed control method and device of scanning module and distance measuring device ) 是由 陈亚林 董帅 洪小平 于 2019-08-13 设计创作，主要内容包括：一种扫描模块(202)的电机转速控制方法、装置和测距装置(200),所述扫描模块(202)包括第一光学元件(214)和与所述第一光学元件(214)连接的第一电机(216),所述第一电机(216)用于驱动所述第一光学元件(214)旋转,以及第二光学元件(215)和与所述第二光学元件(215)连接的第二电机(217),所述第二电机(217)用于驱动所述第二光学元件(215)旋转,所述控制方法包括：控制所述第一电机(216)的转速变化至第一目标速度(S301)；根据所述第一目标速度控制所述第二电机(217)的转速变化至第二目标速度(S302),其中,所述第一目标速度和所述第二目标速度之间满足预定函数关系。该方法和装置能够有效控制点云的最大空隙在较小的范围内,改善点云点的分布均匀性,从而提升对扫描视场的扫描密度。(A motor rotation speed control method, device and distance measuring device (200) of a scanning module (202), the scanning module (202) comprising a first optical element (214) and a first motor (216) connected with the first optical element (214), the first motor (216) being used for driving the first optical element (214) to rotate, and a second optical element (215) and a second motor (217) connected with the second optical element (215), the second motor (217) being used for driving the second optical element (215) to rotate, the control method comprising: controlling a rotational speed of the first motor (216) to change to a first target speed (S301); controlling the rotation speed of the second motor (217) to change to a second target speed according to the first target speed (S302), wherein the first target speed and the second target speed meet a predetermined functional relationship. The method and the device can effectively control the maximum gap of the point cloud within a small range, improve the distribution uniformity of the point cloud points and further improve the scanning density of a scanning view field.)