本文基于光学三角法测量原理，设计了一种通过改变光平面与成像光轴夹角来实现对视场内被测零件表面扫描的视觉测头。
A novel noncontact scanner that scans the inspected part's surfaces by changing the Angle between laser plane and optical axis is designed based on optical triangulation.
根据棱镜调整理论，分析了由于平面反射元件的安装误差所导致的光束转向、光轴偏离系统光轴的情况，并推导出相应的精确表达式。
In this paper, according to the law of prism turning, due to the errors in planar reflector assembling, light axis departure from systemic axis and light turning are analyzed.
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