Multimedia teaching device for teaching

Abstract

The invention provides a multimedia teaching device for teaching. The device comprises a wall body, an electric curtain and a projector, wherein the side wall of the wall body is provided with the electric curtain, the lower side of the top wall of the wall body is provided with the projector, the lower side of the top wall of the wall body is provided with a moving part connected with the projector, and the side wall of the wall body is provided with a camera protection device corresponding to the camera of the projector. According to the invention, the curtain is electrically controlled to be rolled up, the moving part is controlled to drive the projector to approach the curtain so as to make the image on the curtain become smaller, and then the moving part is controlled to drive the projector to move upwards to adjust the picture on the curtain, so that the picture can completely cover the upper end and the lower end of the curtain; the projection picture of the projector moves upwards and forwards, and the projection light of the projector does not directly irradiate the eyes of a teacher, so that the teacher can give lessons normally; and after the projector is used, the projector is driven by the moving part to move upwards to be away from the ground, and the camera is protected by the camera protection device, so that the possibility that the projector is damaged due to mistaken collision and mistaken collision is reduced.

Description

technical field [0001] The invention belongs to the field of multimedia teaching equipment, in particular to a multimedia teaching device for teaching. Background technique [0002] Existing multimedia projection equipment is inconvenient when used in classrooms. Most of the projectors are fixed and cannot be moved to change the distance between the screen and the screen. It is not suitable for adjusting the size of the image on the screen; Adjustment, so that the projector has been hovering at a lower position in the classroom, it is easy to be damaged due to students' fights or cleaning; and the optical lens of the projector is exposed to the outside for a long time, and the blackboard in the classroom is generated. The dust is relatively large, which is very easy to damage the camera components; and when the teacher needs to raise the projection screen for blackboard writing, the light of the projector will still shine on the blackboard at this time, affecting the student...

AI Technical Summary

Problems solved by technology

[0002] Existing multimedia projection equipment is inconvenient when used in classrooms. Most of the projectors are fixed and cannot be moved to change the distance between the screen and the screen. It is not suitable for adjusting the size of the image on the screen; Adjustment, so that the projector has been hovering at a lower position in the classroom, it is easy to be damaged due to students' fights or cleaning; and the optical lens of the projector is exposed to the outside for a long time, and the blackboard in the classroom is generated. The dust is relatively large, which is very easy to damage the camera components; and when the teacher needs to raise the projection screen for blackboard writing, the light of the projector will still shine on the blackboard at this time, affecting the students' viewing of the content on the blackboard, and the teacher stands in front of the projector. When explaining the teaching, the light of the projector will directly hit the teacher's eyes, which will bring inconvenience to the teacher's teaching and is not conducive to the protection of the eyes

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