遥控旋转式自动擦字黑板的设计

Design of Remote Control Rotary Automatic Erasing Blackboard

针对粉笔和黑板在当前中国教育教学中依然存在的现状及粉尘对学生和老师身体健康的影响,设计了一种遥控旋转式自动擦字黑板,此设计能解决粉笔灰四处飞扬和白板字不好擦的问题,同时能减轻老师们擦字的负担,提高上课效率。

This paper,in view of the fact that chalk and blackboard are still used and the influence of the dust on the health of students and teachers,presents a design of a remote-control rotatary automatic erasing blackboard,which can solve the chalk dust flying around and bad cleaning result,reduce the burden of teachers’erasing,and improve the efficiency of class time.