Portable projector for teaching

A projector and portable technology, applied in the field of teaching auxiliary equipment, can solve the problems of inconvenient portability, inability to move flexibly, and not suitable for the teaching environment, etc., and achieve the effect of easy portability, increased service life, and simple installation and removal

Inactive Publication Date: 2018-04-20
HUBEI ENG INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the process of multimedia teaching, teachers often need to use a projector to project the content on the computer screen onto the screen, so that students in the classroom can see clear multimedia teaching pictures. Most of the existing projectors are fixed and hoisted on the classroom ceiling. It cannot be moved flexibly and is not easy to carry. Ordinary portable projectors are also simple in design. They can only be placed on the desktop and cannot be flexibly fixed on slopes or walls. They are not suitable for complex teaching environments.

Method used

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  • Portable projector for teaching

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Embodiment Construction

[0009] The invention is a portable projector for teaching, which has a projector body 1, a metal shaped bellows 7 is connected to the middle bottom of the projector body, a suction cup 8 is arranged at the lower end of the metal shaped bellows, and a suction cup is arranged inside the projector body. Air pump 6, the air pump communicates with the metal shaped bellows and suction cup; the tail of the projector body is provided with a wire plug 5, and the projector body is also provided with a USB socket 4; the middle shell of the projector body is also provided with a loudspeaker A device 3, and a miniature cooling fan 2 is arranged on the top of the projector body, and the miniature cooling fan is used to dissipate heat inside the projector.

[0010] When the teaching projector of the present invention is in use, the suction cup can be placed on any inclined surface or a suitable position on the wall of the multimedia classroom, and the air pump can be started to suck out the a...

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Abstract

The invention relates to a portable projector for teaching. The portable projector for teaching comprises a projector body, a metal positioning corrugated pipe is connected to the bottom of the middleof the projector body, an adhesive disc is arranged at the lower end of the metal positioning corrugated pipe, a sucking pump is further arranged in the projector body, and the sucking pump is communicated with the metal positioning corrugated pipe and the adhesive disc, an electric wire plug is arranged at the tail of the projector body, and a USB socket is further formed in the projector body,a loud-speaker is further arranged on the middle shell of the projector body, a miniature heat dissipation fan is arranged at the top of the interior of the projector body, and the miniature heat dissipation fan is used for dissipating heat in the projector. The projector for teaching does not need to be fixedly mounted in a classroom, is convenient to carry, very easy to mount and dismount, and suitable for being carried to use by teachers.

Description

technical field [0001] The invention relates to the technical field of teaching auxiliary equipment, in particular to a portable projector for teaching. Background technique [0002] In the process of multimedia teaching, teachers often need to use a projector to project the content on the computer screen onto the screen, so that students in the classroom can see a clear multimedia teaching picture. Most of the existing projectors are fixed and hoisted on the classroom ceiling. It cannot be moved flexibly and is not easy to carry. Ordinary portable projectors are also simple in design. They can only be placed on the desktop simply, and cannot be flexibly fixed on slopes or walls. They are not suitable for application in complex teaching environments. Contents of the invention [0003] The object of the present invention is to provide a method for the above-mentioned shortcomings of the traditional teaching projector. [0004] The specific solution of the present invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/14G03B21/16G09B5/06
CPCG03B21/14G03B21/145G03B21/16G09B5/067
Inventor 廖广益
Owner HUBEI ENG INST
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