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本文介绍了一种用于农田水利的激光扫平自动控制系统。该系统由激光发射头、万向传感器及控制箱三部分组成。激光发射头采用Ｈｅ－Ｎｅ激光器、功率２ｍＷ，准直光束直径小于１４ｍｍ，扫描转速０～５００ｒ／ｍｉｎ，万向传感器分６层，由５４个高灵敏激光探测器组成，工作半径１５０ｍ，粗平精度±４０ｍｍ，精平精度±１０ｍｍ；以激光扫描平面为参照面，控制箱控制液压系统，使推土机或拖拉机的平铲升高或降低，从而实现了自动化平整土地。
This paper introduces a laser sweeping automatic control system for farmland water conservancy. The system consists of laser head, universal sensor and control box composed of three parts. He-Ne laser laser power head, power 2mW, collimated beam diameter of less than 14mm, scanning speed 0 ~ 500r / min, gimbal sensor in 6 layers, composed of 54 highly sensitive laser detectors, the working radius of 150m, rough level Accuracy ± 40mm, precision flatness ± 10mm; laser scanning plane as the reference surface, the control box control hydraulic system, bulldozers or tractors flat blade to raise or lower, so as to achieve the automatic formation of land.