摘要
连续无尘自动黑板是一种能自动擦拭字迹的宽幅面回转式柔性书写板,可改变硬质黑板书写时高处要举手、低处要弯腰、擦字扬粉尘、写字挡视线的弊端。同时避免教师在擦拭黑板时,为了清除沾在黑板擦表面的粉笔粉尘而敲打黑板擦产生的二次污染。主要叙述自动黑板各个部件的选材、结构的确定,以及如何实现黑板的自动擦拭,方案的总体论证。
Continuous Dustless Automatic Blackboard is a wide format tablet rotary flexible board which can wipe writing automatically,can change the height of the board to raise their hands when writing,avoid the shortcomings of bending over,the dust and write files line of sight defects.Avoid wiping the blackboard when the teacher in order to clear the stick in the surface of the chalk eraser blackboard eraser dust generated when the beating of secondary pollution.This paper describes the various components of the automatic selection of the board,structure determination,and how to implement the automatic wipe the blackboard,the program's overall argument.
出处
《中国教育技术装备》
2010年第21期81-82,共2页
China Educational Technology & Equipment
关键词
粉笔
无尘
黑板
chalk
dustless
blackboard