Explosion-proof dust-ignition-proof spherical camera

Abstract

The invention relates to an explosion-proof dust-ignition-proof spherical camera, which comprises a shell and a transparent spherical cover, wherein the spherical cover comprises a spherical surface part and a flaring installation part with a cambered section connected with the top end of the spherical surface part; the bottom of the shell is provided with a connecting ring; the flaring installation part of the transparent spherical cover is adhered to a spherical cover cooperating part of the connecting ring through epoxy; and the flaring installation part is adhered to the connecting ring through the epoxy and achieves sealing fit. Since the section of the flaring installation part of the spherical cover is cambered, even the spherical cover bears larger pressure, the flaring installation part of the spherical cover bears disperse pressure so that the spherical cover is not easy to explode. Therefore, the explosion-proof dust-ignition-proof spherical camera has the advantages of small volume, light weight, high rotation speed, high accuracy of presetting positions, unlimited visual angles and the like of a traditional spherical camera, and also has the explosion-proof function.

Description

Technical field [0001] The invention relates to an explosion-proof and dust-proof spherical camera, which is applied to an environment containing explosive gas or vapor mixture and an environment of combustible dust. Background technique [0002] As the front-end equipment of the industrial TV system of the explosion-proof video surveillance command system, the explosion-proof and dust-proof camera is responsible for real-time high-quality acquisition of on-site images and quick response to control commands. It plays an important role in the operation quality of the entire video surveillance command system. Important role. The explosion-proof and dust-proof camera needs to meet the requirements of extremely special environments below IIC gas group (typically hydrogen, acetylene, ethylene, coke oven gas, dimethyl ether, etc.) and combustible dust, and its manufacturing needs to comply with IEC60079 , IEC21641, GB3836-2000 and GB12476.1-2000 standards; most of the cameras with the...

AI Technical Summary

Problems solved by technology

Explosion-proof and dust-proof ignition-type cameras need to meet the use requirements of very special environments such as IIC gas group below (typically hydrogen, acetylene, ethylene, coke oven gas, dimethyl ether, etc.) and combustible dust, and its manufacturing needs to comply with IEC60079 , IEC21641, the provisions of GB3836-2000 and GB12476.1-2000 standards; most of the cameras with the same function used now are split structures (such as the camera disclosed by Chinese Patent Document No. CN2904028), the cables between each unit Exposed connection, large size, heavy weight, slow speed, low preset position accuracy, lack of intelligent functions, difficult installation and maintenance, limited viewing angle, poor adaptability to the environment, etc.

[0003] However, the existing spherical cameras have the advantages of small size, light weight, fast speed, high precision of preset positions, unlimited viewing angle, etc., but none of the above-mentioned existing spherical cameras has explosion-proof function.

Because, the transparent dome cover that existing video camera adopts is as Image 6 As shown, the connection between the spherical part a of the transparent dome and the ring-shaped installation part b at the top of the spherical part a is almost at right angles, and the ring-shaped installation part b is arranged on the installation table c in the housing of the spherical camera; When the spherical part a of the spherical part is subjected to a large external pressure, the right-angle connection between the spherical part a and the mounting part b is likely to burst due to concentrated force, so that the existing spherical camera cannot meet the requirements of explosion-proof and dust-proof ignition

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