现代黑板系统的设计

Design of Modern Blackboard System

传统黑板有粉尘污染,擦黑板时费时费力,多媒体投影幕布会占去一半书写空间等不利因素。设计一种新型现代黑板系统,采用传动带式白板结构,既能书写,也可投影,用水笔书写无灰尘污染。采用机械电动擦拭装置,省时、省力。将摄像头引入教学系统,在演示小模型或实物,或评讲作业时可通过投影展示。采用可移动结构,更适合于实训基地移动教学。经试用效果良好,取得了预期效果。

Traditional blackboard has many disadvantages, such as dust pollution. It is rather time-consuming and laborious when cleaning the blackboard. Multimedia projection curtain also takes up half of the writing space. The new type of modem blackboard system, which uses the belt type whiteboard structure, can not only be written on, but also be projected. Water pen also has no dust pollu- tion. Adopting mechanical electric cleaning device is time-saving and energy-saving. Camera can also be adopted in the teaching system. When demonstrating small models, objects or commenting on homework, it can be projected in the whiteboard. The use of portable structure is more suitable for teaching in training bases. The trial result is good, and the expected effect has been a- chieved.