A smart blackboard

Abstract

The invention discloses an intelligent blackboard which comprises a blackboard body, a sliding frame, a blackboard eraser seat, a blackboard eraser body, a first driving mechanism, a second driving mechanism, a control device and a touch panel, wherein the sliding frame comprises a pair of first guide rails arranged transversely and a second guide rail arranged vertically; the first guide rails are arranged on the outer sides of the upper edge and the lower edge of the blackboard body; an electronic map is prestored in the control device; in the electronic map, the blackboard body is divided into grids by a plurality of vertical lines and transverse lines; the touch panel is connected with the control device; when a user continuously moves on the surface of the touch panel by touching and covers a rectangular area, the touch panel identifies the rectangular area, and the control device judges grid cells corresponding to the rectangular area in the electronic map, and controls the first driving mechanism and the second driving mechanism to work till the blackboard eraser body traverses the whole rectangular area. According to the intelligent blackboard, chalk writing on the blackboard body can be wiped automatically, and the convenience in use is improved.

Description

technical field [0001] The invention relates to an intelligent blackboard. Background technique [0002] Although electronic whiteboards are increasingly used in the field of classroom teaching, it is a time-consuming and laborious task to completely replace the equipment, and blackboards are still the most commonly used teaching aids. Especially for some teachers with many years of teaching experience, chalk writing on the blackboard has almost become an important part of their teaching. But the inconvenience of the traditional blackboard is that at the end of each class, or before writing on the blackboard needs to be rewritten, the chalk writing on the blackboard needs to be manually erased. On the one hand, it is a waste of time, and on the other hand, chalk dust is also likely to have adverse effects on human health. Contents of the invention [0003] The invention designs and develops an intelligent blackboard. [0004] The technical scheme provided by the inventi...

AI Technical Summary

Problems solved by technology

But the inconvenience of the traditional blackboard is that at the end of each class, or before writing on the blackboard needs to be rewritten, the chalk writing on the blackboard needs to be manually erased

On the one hand, it is a waste of time, and on the other hand, chalk dust is also likely to have adverse effects on human health.

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