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Positive-pressure type video camera lens protective cover

A camera and protective cover technology, which is applied in the field of positive pressure camera lens protective cover, can solve the problems that it is difficult to meet the requirements of IP66 protection level, the camera cannot output normal images, and the monitoring system loses its function. Prevent oxidation and combustion, and the overall design is scientific and reasonable

Inactive Publication Date: 2008-03-05
杜永辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the poor strength and deformation of the upper cover, the sealing performance is poor, and as a result, it is easy to cause water leakage, and the phenomenon of fogging on the inner surface of the window caused by large changes in humidity and temperature, so that the camera cannot output normal images. Naturally, the whole The monitoring system also fails
Therefore, the existing outdoor camera protective cover has many problems in sealing, and it is difficult to meet the requirements of IP66 protection level

Method used

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  • Positive-pressure type video camera lens protective cover

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Embodiment Construction

[0025] The present invention is further described in detail through the following embodiments in conjunction with the accompanying drawings, but the technical content described in this embodiment is illustrative rather than restrictive, and should not be used to limit the protection scope of the present invention.

[0026] The main body of this lens shield is front, middle, rear and exterior, interior five kinds of structures, and front is mainly front ring 2 and window glass 21, and middle part is mainly urceolus 8, and rear is mainly back cover 13.

[0027] The outside and the outer cylinder are installed together, and its specific structure is:

[0028] The outside includes a sunshade 1 and a support 25. The sunshade is made of punched aluminum plate, and is fixed on the outer cylinder through the pad column 7 with screws. The screw holes made by the outer cylinder are blind holes, so there is no water leakage problem. Equally, bearing also is to adopt screw 24 to be fixed ...

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Abstract

The invention features the following: installing a front ring of the widow glass at the front of the outer tube; the front ring closely fits the outer tuber via a seal ring; the rear cap at the rear portion of the outer tube uses a seal ring to closely fit the outer tube; on the rear cp, a control valve used for injecting gas into the outer tube is mounted. The sealing level of the invention can reach IP67 protection level.

Description

technical field [0001] The invention relates to the field of video monitoring, in particular to a positive pressure camera lens protective cover. Background technique [0002] At present, cameras fixed outdoors need to be equipped with a protective cover. The structure of the protective cover is mostly two parts: the upper cover and the lower groove. The upper cover is embedded in the lower groove and the upper cover can be flipped. . Due to the poor strength and deformation of the upper cover, the sealing performance is poor, and as a result, it is easy to cause water leakage, and the phenomenon of fogging on the inner surface of the window caused by large changes in humidity and temperature, so that the camera cannot output normal images. Naturally, the whole The monitoring system also failed. Therefore, the existing outdoor camera protective cover has many problems in sealing, and it is difficult to meet the requirements of IP66 protection level. [0003] Through searc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B17/02G03B17/08H05K5/06G12B9/02
Inventor 张藻
Owner 杜永辉
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