Special display platform for multimedia teaching

Abstract

The invention provides a special display platform for multimedia teaching, which comprises a table, a camera, a light source and a display platform plate, wherein the internal part of the table is provided with a chamber, the left side of the table is provided with a rotating shaft in a movable penetrating manner, the right end of the rotating shaft movably penetrates through the left wall and theright wall of an inner cavity of the chamber in sequence and extends to the external part of the table, and the right side of the surface of the part, which is located in the inner cavity of the chamber, of the rotating shaft is provided with a first gear. The special display platform for multimedia teaching is provided with the rotating shaft, the first gear, a gear slot, a rotating rod, a rotating block, a second gear and a crank handle, the crank handle is rocked, the crank handle drives the rotating block to rotate, the rotating block drives the rotating rod to rotate, the rotating rod drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the rotating shaft to rotate, and the rotating shaft is enabled to drive the light source to slightly move backward and forward, thereby achieving an effect of being convenient for adjusting the angle of the light source.

Description

technical field [0001] The invention relates to the technical field of multimedia teaching tools, in particular to a special display stand for multimedia teaching. Background technique [0002] The display stand is also called the physical display stand. When it is connected to a projector and a TV, it can clearly display materials, handouts, real objects, slides, etc. An ordinary video display stand consists of three parts: a camera, a light source, and a countertop. There are also a series of interfaces on the back of the display stand, and some display stands for the high-end market also include infrared remote controllers, computer image capture adapters, LCD monitors, etc. appendix. The display stand can be used in the teaching of various subjects. For liberal arts, various teaching materials and various book layouts for teaching can be placed directly on the display stand table. Through the application of lighting and the adjustment of the zoom function, it can be cle...

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies of the prior art, the present invention provides a special display stand for multimedia teaching to solve the problem that the existing special display stand for multimedia teaching is inconvenient to adjust the angle of the light source in the above-mentioned background technology

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