Outdoor projector

A projector and outdoor technology, applied in the field of outdoor projectors, can solve the problems of easy burning of the lens, easy accumulation of dust and dirt, etc., to achieve the effect of reducing maintenance and improving service life

Active Publication Date: 2018-12-18
深圳市科迈信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Because the lens of the projector is exposed to the air for a long time, it is easy to accumulate dust and dirt, and it needs to be cleaned frequently. At the same time, when the sun shines on the lens during the day, because the lens is a convex lens, the lens will produce a concentrating effect when it is irradiated by sunlight, and it is easy to burn the lens.

Method used

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Examples

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Embodiment 2

[0022] refer to Figure 2-3 The first telescopic airbag 4 is covered with a second telescopic airbag 6, and a sealed annular cavity 7 is formed between the first telescopic airbag 4 and the second telescopic airbag 6. The projector body 10 is located at the lens and is provided with two second telescopic airbags. The chute 3 and the two second chute 3 are provided with sliders 17, between the two sliders 17 is fixedly connected with a rubber scraper 16 which is always in contact with the lens, and the upper end of the slider 17 is fixedly connected with a third telescopic The airbag 5 and the third flexible airbag 5 communicate with the annular cavity 7 through the air guide tube 15 .

[0023] In the present invention, the first telescopic airbag 4 will drive the second telescopic airbag 6 to expand and contract when stretching, and the second telescopic airbag 6 will expand and contract so that the gas in the annular cavity 7 enters the third telescopic airbag 5 through the a...

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Abstract

The invention discloses an outdoor projector, comprising a shell and a projector body arranged in the shell. The left and right inner walls of the shell are provided with a first sliding groove, the first sliding groove is slidably connected with a movable block, and one end of the movable block located in the shell is fixedly connected with the side wall of the projector body. The projector bodycan be retracted into the shell during daytime, thereby effectively preventing sunlight from shining on the lens, producing a condensing effect, burning the lens, lowering the temperature at night, shortening the first telescopic balloon condensed by the low-boiling evaporating liquid, and further projecting the projector body from the shell. The lens on the projector body is cleaned by a rubber scraper to keep the lens clean and reduce the daily maintenance of the projector. Adopt purely mechanical structure, so compared with manual cleaning, this product is safer and stable, will not cause the projector body lens crushing safety hazards, prolong the projector service life.

Description

technical field [0001] The invention relates to the technical field of projection equipment, in particular to an outdoor projector. Background technique [0002] A projector is an optical instrument that uses optical elements to magnify the outline of a workpiece and project it onto a screen. It can be used for profile measurement with transmitted light, and can also be used to measure the surface shape of a non-through hole and observe the surface of a part with reflected light. [0003] Because the lens of the projector is exposed to the air for a long time, it is easy to accumulate dust and dirt, and it needs to be cleaned frequently. At the same time, when the sun shines on the lens during the day, because the lens is a convex lens, the lens will produce a concentrating effect when it is irradiated by sunlight, and it is easy to burn the lens. . Contents of the invention [0004] The purpose of the present invention is to solve the shortcomings in the prior art, and ...

Claims

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Application Information

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IPC IPC(8): G03B21/14G03B21/54
CPCG03B21/145G03B21/54
Inventor 张超
Owner 深圳市科迈信息技术有限公司
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