Multimedia projecting device for network education and application method

Abstract

The invention discloses a multimedia projecting device for network education and an application method. The multimedia projecting device comprises a shell. The top of the surface of the shell is fixedly sleeved with a mounting plate. The top of the mounting plate is provided with mounting holes. The multimedia projecting device is provided with the shell, the mounting plate, a fixed tube, a firstsupport, a second support, a housing shell, a fourth support, rotary knobs, an outer shell, a connecting shell, a third support, an electric telescopic rod, a second motor, a movable tube, a first threaded rod, limiting blocks, a second driving bevel gear, a first motor, a first driving bevel gear, a first driven bevel gear, the mounting holes, a rotary rod, a second driven bevel gear, an opening,a sliding block, a second filter screen, a cooling fan, a first filter screen, a frame, a protector, a glass board, locating plates and second threaded rods for cooperative use. The problems that angle and height of an existing multimedia projecting device for network education are inconvenient to adjust, users use the multimedia projecting device inconveniently and the cooling and dust prevention effect is poor are solved.

Description

technical field [0001] The invention relates to the technical field of network education, in particular to a multimedia projection device for network education and a method for using it. Background technique [0002] Distance education, in some documents issued by the Ministry of Education, is also called modern distance education as network education, which is a kind of adult education degree. It refers to the teaching mode that uses communication media such as TV and the Internet. It breaks through the boundaries of time and space and is different from the traditional teaching mode of on-campus accommodation. Students who use this teaching mode are usually amateur learners. Since there is no need to go to a specific location to attend classes, classes can be taken anytime, anywhere. Students can also help each other learn through various channels such as TV broadcasting, the Internet, counseling hotlines, class research clubs, and face-to-face teaching. It is a new conc...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a multimedia projection device for network education, which has the advantages of easy adjustment of angle and height, user-friendly use and good heat dissipation and dustproof effect, and solves the problem that the existing multimedia projection device for network education is not easy to adjust the angle and height, it is not convenient for users to use and the problem of poor heat dissipation and dustproof effect

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