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A portable teaching multimedia projector

A projector and multimedia technology, which is applied in the field of portable multimedia projectors for teaching, can solve the problems of large size, difficult portability, and complicated operation of projectors, and achieves the effects of being convenient to use and carry, reducing heat dissipation volume, and improving reliability.

Active Publication Date: 2022-07-15
SHENZHEN KEJINMING ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention uses a spring to accommodate the projector and buffer it at the same time. Most of the existing portable projectors need to reserve enough heat dissipation space inside, which leads to the large size of the projector and makes it difficult to carry, and the operation in daily use is relatively cumbersome.

Method used

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  • A portable teaching multimedia projector
  • A portable teaching multimedia projector
  • A portable teaching multimedia projector

Examples

Experimental program
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Embodiment Construction

[0036] like figure 1 , 2 As shown in FIG. 8, a portable multimedia projector for teaching includes a portable device 4 and a projector main body 1. An embedded handle 3 is provided on the side end face of the portable device 4, and the interior of the portable device 4 is rotatably connected with a main body for fixing the projector. 1, and the inside of the portable device 4 is provided with a lift chamber 5, the projector body 1 is movably connected inside the lift chamber 5, and a gap is provided between the projector body 1 and the inner wall of the lift chamber 5, and the projector A sealing film 15 is connected to the middle of the side end face of the main body 1 , and one end of the sealing film 15 away from the projector main body 1 is fixedly connected to the inner wall of the lift chamber 5 . A liquid accumulation chamber 11 with variable volume is opened inside the portable device 4 , and the liquid accumulation chamber 11 The interior of the projector is filled w...

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Abstract

The invention discloses a portable multimedia projector for teaching. The side end face of the portable device is provided with an embedded handle, the interior of the portable device is rotatably connected with a rotating clamp arm for fixing the main body of the projector, and the portable device A lift chamber is opened inside the projector, the main body of the projector is movably connected inside the lift chamber, a liquid accumulation chamber with a variable volume is opened inside the portable device, and the liquid accumulation chamber is filled with liquid, and the liquid accumulation chamber is filled with liquid. The liquid chamber is communicated with the lifting chamber, the bottom of the projector body is provided with a floating plate, and the side end face of the projector body is provided with a projection lens for projection. The floating plate controls the change of the position of the main body of the projector, and the present invention improves the existing projection structure, so that the projector is smaller and easier to carry.

Description

technical field [0001] The invention relates to the technical field of projector equipment, in particular to a portable multimedia projector for teaching. Background technique [0002] A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to a computer, VCD, DVD, BD, game console, DV, etc. through different interfaces to play the corresponding video signal. [0003] Projectors are widely used in homes, offices, schools and entertainment places. According to different working methods, there are different types such as CRT, LCD, DLP, etc. [0004] Chinese Invention Patent Publication No. CN105972391A, the invention discloses a portable projector, comprising a base, a projector body, four connecting rods, and several springs; the base includes four first grooves and a second groove; The connecting rod includes a first section rod and a second section rod; the first section rod includes several limit holes; the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/16G03B21/54
CPCG03B21/16G03B21/54
Inventor 朱县雄柏先林
Owner SHENZHEN KEJINMING ELECTRONICS CO LTD
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