Projector curtain applied to multimedia classroom

Abstract

The invention relates to a projector curtain applied to a multimedia classroom. The curtain comprises a mounting plate, a curtain body, a storage device, a cleaning device and a sealing device, wherein the storage device is mounted in the middle of the upper end of the mounting plate, the curtain body is mounted at the lower end of the storage device, the cleaning device is mounted on the mountingplate and located at the upper end of the storage device, and the sealing device is mounted on the outer side of the upper end of the mounting plate. The problems that a curtain in an existing multimedia classroom is poor in storage effect, the curtain is usually unevenly stressed; the curtain made of a soft material is usually deformed curled and wrinkled the appearance of the curtain and the viewing effect of students are affected can be solved. Also, the problems that dust in a classroom is usually adhered to the upper surface of the curtain and cannot be cleaned for a long time, dust is accumulated on the surface of the curtain, thus the viewing effect is influenced, operation is complex, the automation degree is low, and the using effect is poor are solved.

Description

technical field [0001] The invention relates to the field of multimedia, in particular to a projector screen applied to a multimedia classroom. Background technique [0002] The projector screen is used in movies, offices, home theaters, large conferences, etc. It is a tool for displaying images and video files. The projector screen is one of the most commonly used products in the peripheral equipment of the projector. The projector screen If it is properly matched with a projector, high-quality projection effects can be obtained. [0003] At present, the existing projector screens usually have the following defects: 1. The storage effect is poor, the screen is usually subjected to uneven force, and the screen of soft material usually deforms, curls, and folds; A large amount of dust is attached, and if it is not cleaned for a long time, it will cause dust accumulation on the surface of the curtain, which will affect the viewing effect; 3. It is troublesome to install and d...

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above problems, the present invention provides a projector screen used in multimedia classrooms. The present invention can solve the problem of poor storage effect of the existing screens in multimedia classrooms. Deformation, curling and wrinkles occur, which not only affects the aesthetics of the curtain, but also affects the viewing effect of students. In addition, the dust in the classroom usually adheres to the upper surface of the curtain. Viewing effect, complex operation, low degree of automation and poor use effect, etc., can realize the automatic storage, cleaning and cleaning functions of the curtain, and can effectively prevent deformation, curling and wrinkles caused by uneven force on the curtain , to ensure the aesthetics of the curtain and the effect of students watching, it can automatically clean the dust adhering to the upper surface of the curtain, reduce the labor intensity and improve the service life of the curtain, with simple and convenient operation, high degree of automation and good use effect Etc

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