Camera protective cover with self-cleaning device

Abstract

The invention relates to a camera protective device in the video surveillance field, in particular to a camera protective cover with a self-cleaning device. The camera protective cover comprises a cover body, a sunshading board, a front end cover, a filter and a back end cover, wherein the front end cover and the back end cover are separately fixed on the front and back of the cover body; the front end cover is provided with a filter hole; the filter is fixed in the filter hole; the sunshading board is covered on the cover body; the camera protective cover also comprises the self-cleaning device; the self-cleaning device comprises a lens hood, an air pump and an air pipe; the hood body of the lens hood is provided with a circular vent pipe; the vent pipe is connected with the air pump through the air pipe; the inside of the circular vent pipe is provided with rows of small holes; each row of small holes has a plurality of small holes, the small holes point to the filter from different directions; and the circular part of the back end of the lens hood is provided with a clip, and the clip is clamped in a slot on the lens frame of the filter. The beneficial effect of the invention is that a unique cleaning and dustproof structure adopting air-blowing is designed and the functions of dustproof and decontamination can be effectively realized.

Description

technical field [0001] The invention relates to a camera protection device in the field of video surveillance, in particular to a camera protection cover with a self-cleaning device. Background technique [0002] At present, the camera shields currently on the market, such as figure 1 As shown, generally all is that video camera 10 is installed in the cover body 3 during use, sun visor 4 is established on cover body 3, and cover body 3 front end camera lens place seals hollow front end cover 2 with a common glass 17, to realize camera The lens collects images, and the rear end is sealed with a rear end cap 5 . But the problem that exists now is: monitoring camera is often used outdoors, and stains such as dust, water stains will be produced on common glass 17, cause light transmittance low, loss is big. Someone once proposed a scheme of installing a wiper on the ordinary glass 17 of the protective cover to solve the above problems, but the long-term use of the wiper will s...

AI Technical Summary

Problems solved by technology

But the existing problem is: the surveillance camera is often used outdoors, and ordinary glass 17 will produce dust, water stains and other stains, resulting in low light transmittance and large loss

Someone once proposed a solution to the above-mentioned pro

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