CN216721415U

CN216721415U - Gaseous scrubbing of camera and liquid cooling structure and explosion-proof camera

Info

Publication number: CN216721415U
Application number: CN202122841856.XU
Authority: CN
Inventors: 叶栋; 吴波
Original assignee: CETC 52 Research Institute
Current assignee: CETC 52 Research Institute
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-06-10
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a camera gas decontamination and liquid cooling structure and an explosion-proof camera, aiming at solving the problems of decontamination, heat insulation, explosion prevention and the like of camera products under severe conditions, and the camera gas decontamination and liquid cooling structure comprises a shell, a middle barrel assembly and a rear cover assembly which are sequentially connected to form a camera installation shell, wherein a camera movement and a control module are arranged in the middle barrel assembly; the middle barrel assembly is provided with a liquid cooling structure used for heat dissipation of an inner cavity of the shell, and the rear cover assembly comprises a rear cover used for sealing the rear end of the middle barrel assembly. The utility model is especially suitable for the use in the severe environment of the camera and has higher social use value and application prospect.

Description

Gaseous scrubbing of camera and liquid cooling structure and explosion-proof camera

Technical Field

The utility model relates to the technical field of camera security, in particular to a camera gas decontamination and liquid cooling structure and an explosion-proof camera.

Background

With the popularization of monitoring technology, the monitoring technology is applied to more and more fields, and for monitoring per se, more and more functions are required to be covered.

For some outdoor use scenes, the influence of rainwater, oil stain, dust and the like on a camera window can cause the visual angle of the camera to be fuzzy, and the shooting effect is influenced;

for some special application scenes, such as high-temperature places like a smelting furnace, the structures of parts, circuit boards and the like in the general camera are difficult to meet the application of the scenes under the high-temperature condition;

for cameras used in many flammable and explosive industrial environments such as petroleum, chemical industry, coal, national defense and the like, once a fire source occurs or the ambient temperature is high enough, serious accidents such as explosion, fire and the like can be caused. Therefore, the camera product applied under such severe conditions needs to be designed with consideration for decontamination, heat insulation, explosion prevention, and the like.

Chinese patent CN104360563A discloses a cooling water circulation system for a water-cooled protective jacket of a camera in a high temperature environment, which is provided with a water-cooled inner jacket and a water-cooled outer jacket, wherein the water-cooled inner jacket is communicated with the outer jacket to realize circulation, but a double-layer cavity structure is adopted, the structure is complex, especially for an explosion-proof camera, the requirement is difficult to meet, a water outlet and a water inlet are uniformly distributed on the upper end surface of the equipment, a dead water area or a low circulation rate exists in a partial area of the lower part of the equipment, which is not favorable for water circulation of the whole camera, and this greatly reduces heat dissipation of the camera.

In chinese patent CN212413289U, an explosion-proof surveillance camera with wiper dust collector is disclosed, including the camera, still including installing the explosion-proof shell outside the camera, installing explosion-proof back lid and the wiper device on explosion-proof shell, realize the equipment dust removal through the wiper device, and the wiper adopts motor drive and is located the equipment outside, life is lower, and the wiper generally can adopt soft materials such as silica gel simultaneously, this greatly reduced the environment suitability of equipment.

Therefore, a camera gas decontamination and liquid cooling structure and an explosion-proof camera are provided.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve or at least alleviate problems in the prior art.

The utility model provides a gas decontamination and liquid cooling structure of a camera, which comprises a front cover component, a middle barrel component and a rear cover component which are sequentially connected to form a shell for mounting the camera, wherein a camera movement and a control module are arranged in the middle barrel component;

the middle barrel assembly is provided with a liquid cooling structure for heat dissipation of an inner cavity of the shell, and the rear cover assembly comprises a rear cover for sealing the rear end of the middle barrel assembly.

Optionally, the liquid cooling structure includes a liquid cooling inner sleeve and a liquid cooling outer sleeve, which are disposed on the inner layer and the outer layer, and a hollow liquid cooling cavity for circulating liquid to cool is formed between the liquid cooling inner sleeve and the liquid cooling outer sleeve, and the hollow liquid cooling cavity is provided with a water inlet for inputting liquid from the lower part of one side and a water outlet for outputting liquid from the upper part of the other side.

Optionally, the gas decontamination structure comprises an air inlet integrally formed on the front cover and a dust removal cover screwed on the front cover through threads, the dust removal cover is close to one side of the window and is formed with an annular outer slope, one side of the front cover close to the outer slope is formed with an inner slope in a matching manner, and a blowing gap is formed between the inner slope and the outer slope and used for blowing gas into the front cover from the air inlet and blowing the gas out of the front cover along the blowing gap to decontaminate the outer wall surface of the window.

Optionally, a set screw for tightening the fixed relationship between the rear reinforced dust removal cover and the front cover is mounted on the side wall of the front cover.

Optionally, the rear cover is provided with a plurality of cable extending grooves for leading out cables on the camera movement and the control module, and the plurality of cable extending grooves are provided with cable pressure head pieces for sealing and preventing explosion of the shell.

Optionally, the back is covered and is offered the airtight mouth that is used for inputing inert gas and influences camera snapshot effect in order to avoid the inboard fog-up of camera window, and inserts on the airtight mouth and be equipped with O type circle fastener, and the cover is equipped with O type circle on the O type circle fastener for the airtight mouth of shutoff is in order to seal the casing inner chamber.

Optionally, the window is made of transparent or brown glass, acrylic or PC.

The utility model also provides an explosion-proof camera which is provided with the camera gas decontamination and liquid cooling structure; and a front spigot joint surface and a rear spigot joint surface which are respectively integrally formed on the front cover and the rear cover and are used for the explosion-proof design of the shell.

Optionally, a front cover sealing ring for water and dust prevention is arranged between the front cover assembly and the middle barrel assembly, and a rear cover sealing ring for water and dust prevention is arranged between the rear cover assembly and the middle barrel assembly.

The utility model mainly has the following beneficial effects:

1. the camera body radiating device realizes the body radiating under the high-temperature environment of the camera through the liquid cooling structure for radiating the inner cavity of the shell, protects the internal parts of the camera, simultaneously controls the effect of removing dirt on the outer side of the window by controlling the pressure value of the rushing gas and the size of the blowing gap between the inner slope surface and the outer slope surface by matching with the gas dirt removing structure for removing dirt on the lens, and effectively ensures the dirt removing functions of the camera such as dust removal, oil stain removal, rainwater protection and the like.

2. The anti-explosion camera provided by the utility model effectively ensures the use of the camera in a high-temperature environment and protects the internal parts of the camera, and can be applied to a plurality of flammable and explosive industrial environments such as petroleum, chemical industry, coal, national defense and the like, thereby avoiding serious accidents such as explosion, fire and the like.

Drawings

The above features, technical features, advantages and implementations of a camera gas decontamination and liquid cooling arrangement and an explosion-proof camera will be further described in the following description of preferred embodiments in a clearly understandable manner, in conjunction with the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a liquid cooling structure according to the present invention;

FIG. 4 is a schematic cross-sectional view of a gas decontamination structure according to the present invention.

In the figure: the device comprises a front cover assembly 1, a dust removal cover 1-1, an internal thread 1-1-1, an external slope surface 1-1-2, a front cover 1-2, an external thread 1-2-1, an internal slope surface 1-2, an air inlet 1-3, a set screw 1-4, a window 1-5, a front spigot joint surface 1-6, a middle cylinder assembly 2, a liquid cooling inner sleeve 2-1, a liquid cooling outer sleeve 2-2, a water inlet 2-3, a water outlet 2-4, a rear cover assembly 3, a rear cover 3-1, an airtight opening 3-1-1, a cable extending groove 3-1-2, an O-shaped ring 3-2, an O-shaped ring fastener 3-3, a rear spigot joint surface 3-4, a front cover seal ring 4, a rear cover seal ring 5, a cable pressure head piece 6, a front cover fastener 7, a rear cover seal ring 3-2, a cable pressure head piece, Back cover fastener 8, camera movement 9, control module 10.

Detailed Description

The utility model will be further illustrated with reference to the following figures 1-4 and examples:

example 1

The utility model provides a camera gas decontamination and liquid cooling structure, referring to attached figures 1-4, comprising a front cover component 1, a middle barrel component 2 and a rear cover component 3 which are connected in sequence to form a shell for mounting a camera, wherein the front cover component 1 and the rear cover component 3 are respectively mounted on the middle barrel component 2 through a front cover fastener 7 and a rear cover fastener 8, in the embodiment, the front cover fastener 7 and the rear cover fastener 8 are mounting bolts, a camera movement 9 and a control module 10 are arranged in the middle barrel component 2 for realizing the functions of capturing and controlling the camera, the front cover component 1 comprises a front cover 1-2 for sealing the front end of the middle barrel component 2, a window 1-5 for collecting images of the camera movement 9 is arranged on the front cover 1-2, in the embodiment, the front cover 1-5 is made of transparent or dark brown glass, acrylic or PC material, the sealing and protection of the camera movement 9 and the control module 10 are ensured, and the image acquisition of the camera movement 9 is realized.

In the embodiment, as shown in fig. 2-4, a gas decontamination structure for decontaminating the outer wall surface of the window 1-5 is arranged on the front cover 1-2, the gas decontamination structure comprises a gas inlet 1-3 integrally formed on the front cover 1-2 and a dust removal cover 1-1 screwed on the front cover 1-2 through a thread, an external thread 1-2-1 is arranged on the front cover 1-2, a corresponding internal thread 1-1-1 is arranged on the dust removal cover 1-1 to form an assembly relation with the front cover 1-2, an annular outer slope surface 1-1-2 is formed on one side of the dust removal cover 1-1, which is close to the window 1-5, and an inner slope surface 1-2-2 is formed on one side of the front cover 1-2, which is close to the outer slope surface 1-1-2 in a matching manner, and a blowing gap is formed between the inner slope surface 1-2-2 and the outer slope surface 1-1-2, and is used for blowing air into the blowing gap from the air inlet 1-3 and blowing air out along the blowing gap to decontaminate the outer wall surface of the window 1-5, in the embodiment, the blowing gap between the inner slope surface 1-2-2 and the outer slope surface 1-1-2 is controlled by controlling the screwing degree of the external thread 1-2-1 on the front cover 1-2 and the internal thread 1-2-2 on the dust removal cover 1-1-2, when the outer wall surface of the window 1-5 is decontaminated, air is injected between the dust removal cover 1-1 and the front cover 1-2 of the camera from the air inlet 1-3, the injected air is discharged from the blowing gap between the inner slope surface 1-2-2 and the outer slope surface 1-1-2 after circulation and decontaminates the outer wall surface of the window 1-5, meanwhile, the dirt removing effect on the outer side of the window 1-5 can be controlled by controlling the pressure value of the injected gas and the size of the blowing gap between the inner slope surface 1-2-2 and the outer slope surface 1-1-2.

In the embodiment, as shown in fig. 2-3, a liquid cooling structure for dissipating heat in an inner cavity of a housing is arranged on a middle barrel component 2, the liquid cooling structure comprises an inner liquid cooling sleeve 2-1 and an outer liquid cooling sleeve 2-2 which are arranged on an inner layer and an outer layer, a hollow liquid cooling cavity for circulating liquid to cool is formed between the inner liquid cooling sleeve 2-1 and the outer liquid cooling sleeve 2-2, the hollow liquid cooling cavity is provided with a water inlet 2-3 for inputting liquid from the lower part of one side and a water outlet 2-4 for outputting liquid from the upper part of the other side, when a camera needs to be cooled, liquid is flushed into the hollow liquid cooling cavity between the inner liquid cooling sleeve 2-1 and the outer liquid cooling sleeve 2-2 of the explosion-proof camera through the water inlet 2-3, the flushed liquid is discharged from the water outlet 2-4 through water circulation in the hollow cavity, the circulation of the liquid is smooth, nearly do not have the dead angle, the cooling radiating effect is good, and in this embodiment, the liquid cooling endotheca 2-1 and the liquid cooling overcoat 2-2 of well section of thick bamboo subassembly 2 wholly adopt the welding mode, and it can be understood that liquid cooling liquid can be water, coolant liquid etc. can reach the purpose liquid of cooling, and the accessible control dashes into the pressure value of liquid and improves the liquid cooling effect, realizes the body heat dissipation that uses under the camera high temperature environment, the inside spare part of protection camera.

In the embodiment, as shown in fig. 2-4, the rear cover assembly 3 comprises a rear cover 3-1 for closing the rear end of the middle cylinder assembly 2, the rear cover 3-1 is provided with a plurality of cable extending grooves 3-1-2 for leading out cables on the camera movement 9 and the control module 10, the cable extending grooves 3-1-2 are provided with cable pressing head members 6 for sealing and preventing explosion of the shell, the rear cover 3-1 is further provided with an airtight opening 3-1-1 for inputting inert gas to prevent the inner side of the camera window 1-5 from being fogged to influence the capturing effect of the camera, the airtight opening 3-1-1 is inserted with an O-ring fastener 3-3, the O-ring fastener 3-3 is sleeved with an O-ring 3-2 for sealing the airtight opening 3-1-1 to close the inner cavity of the shell, in the embodiment, after the camera is installed, the air tightness of the inner cavity of the shell can be checked through the air tightness port 3-1-1 to ensure that the required waterproof and dustproof grade is achieved, meanwhile, inert gas can be injected from the air-tight port 3-1-1 to realize the vacuum of the inner cavity of the shell, thereby avoiding the influence of the fog on the camera capturing effect caused by the inner side of the camera window 1-5, after the inert gas is filled, an O-shaped ring 3-2 is arranged at the air-tight opening 3-1-1, then the air-tight opening 3-1-1 is plugged by an O-shaped ring fastener 3-3, the requirements of equipment sealing and explosion prevention at the air-tight opening 3-1-1 are met, and the cable in the camera is led out of the shell from the cable extending groove 3-1-2 and meets the requirements of equipment sealing and explosion prevention at the position where the cable extends out of the groove 3-1-2 through the cable pressure head piece 6.

In this embodiment, as shown in fig. 3, a set screw 1-4 for fastening the fixed relationship between the dust removing cover 1-1 and the front cover 1-2 after screwing is installed on the side wall of the front cover 1-2, so as to ensure that the size of the blowing gap is fixed.

Example 2

The utility model also provides an explosion-proof camera which is provided with the camera gas decontamination and liquid cooling structure; and a front spigot joint surface 1-6 and a rear spigot joint surface 3-4 which are respectively integrally formed on the front cover 1-2 and the rear cover 3-1 and are used for shell explosion-proof design;

in this embodiment, as shown in fig. 2, a front cover sealing ring 4 for water and dust prevention is arranged between the front cover assembly 1 and the middle barrel assembly 2, and a rear cover sealing ring 5 for water and dust prevention is arranged between the rear cover assembly 3 and the middle barrel assembly 2, so that explosion prevention of the camera is effectively ensured, and a water and dust prevention design is realized.

Other undescribed structures refer to example 1.

According to the camera air decontamination and liquid cooling structure and the explosion-proof camera provided by the embodiment of the utility model, when lens decontamination is required, the screwing degree of the external thread 1-2-1 on the front cover 1-2 and the internal thread 1-2-2 on the dust removal cover 1-1 is controlled to control the blowing gap between the inner slope surface 1-2-2 and the outer slope surface 1-1-2, when the outer wall surface of the sight window 1-5 is decontaminated, air is injected between the dust removal cover 1-1 and the front cover 1-2 of the camera through the air inlet 1-3, and the injected air is discharged from the blowing gap between the inner slope surface 1-2-2 and the outer slope surface 1-1-2 after circulation and decontaminates the outer wall surface of the sight window 1-5, and meanwhile, the pressure value of the injected air and the inner slope surface 1-2-2 and the outer slope surface 1-2 are controlled to control the blowing gap between the injected air and the inner slope surface 1-2-2 and the outer slope surface 1-2 The size of the blowing gap between 1 and 2 is used for controlling the effect of dirt removal on the outer side of the window 1-5;

in a high-temperature environment, liquid is flushed into a hollow liquid cooling cavity between a liquid cooling inner sleeve 2-1 and a liquid cooling outer sleeve 2-2 of the explosion-proof camera from a water inlet 2-3, the flushed liquid is discharged from a water outlet 2-4 in the hollow liquid cooling cavity through water circulation, the circulation of the cooling liquid is smooth, almost no dead angle exists, and the cooling and heat dissipation effects are good;

after the camera is installed, the air tightness of the inner cavity of the shell can be checked through the air-tight opening 3-1-1 to ensure that the required waterproof and dustproof grade is achieved, meanwhile, inert gas can be blown into the inner cavity of the shell through the air-tight opening 3-1-1 to achieve vacuum of the inner cavity of the shell, so that the situation that the snapshot effect of the camera is affected due to fogging of the inner side of the camera window 1-5 is avoided, after the inert gas is filled, the O-shaped ring 3-2 is installed at the air-tight opening 3-1-1, then the air-tight opening 3-1-1 is blocked through the O-shaped ring fastener 3-3, the equipment sealing and explosion-proof requirements at the air-tight opening 3-1-1 are achieved, cables in the camera are led out of the shell through the cable extending grooves 3-1-2, and the equipment sealing and explosion-proof requirements at the cable extending grooves 3-1-2 are achieved through the cable pressure head piece 6, the camera is effectively guaranteed to be explosion-proof, and a waterproof and dustproof design is achieved.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A camera gas decontamination and liquid cooling structure comprises a front cover assembly (1), a middle barrel assembly (2) and a rear cover assembly (3) which are sequentially connected to form a shell for mounting a camera, and is characterized in that a camera movement (9) and a control module (10) are arranged in the middle barrel assembly (2), the front cover assembly (1) comprises a front cover (1-2) for sealing the front end of the middle barrel assembly (2), and the front cover (1-2) is provided with a window (1-5) for image acquisition of the camera movement (9) and a gas decontamination structure for decontaminating the outer wall surface of the window (1-5);

the middle cylinder assembly (2) is provided with a liquid cooling structure for heat dissipation of an inner cavity of the shell, and the rear cover assembly (3) comprises a rear cover (3-1) for sealing the rear end of the middle cylinder assembly (2).

2. The camera gas desmear and liquid cooled structure of claim 1, wherein: the liquid cooling structure comprises a liquid cooling inner sleeve (2-1) and a liquid cooling outer sleeve (2-2) which are arranged on the inner layer and the outer layer, a hollow liquid cooling cavity for circulating liquid to cool is formed between the liquid cooling inner sleeve (2-1) and the liquid cooling outer sleeve (2-2), and a water inlet (2-3) for inputting liquid from the lower part of one side and a water outlet (2-4) for outputting liquid from the upper part of the other side are formed in the hollow liquid cooling cavity.

3. The camera gas desmear and liquid cooled structure of claim 1, wherein: the gas decontamination structure comprises a gas inlet (1-3) integrally formed on a front cover (1-2) and a dust removal cover (1-1) screwed on the front cover (1-2) through threads, wherein an annular outer slope surface (1-1-2) is formed on one side, close to a window (1-5), of the dust removal cover (1-1), an inner slope surface (1-2-2) is formed on one side, close to the outer slope surface (1-1-2), of the front cover (1-2) in a matched mode, a blowing gap is formed between the inner slope surface (1-2-2) and the outer slope surface (1-1-2), and gas enters the gas inlet (1-3) and is blown out along the blowing gap to decontaminate the outer wall surface of the window (1-5).

4. The camera gas desmear and liquid cooled structure of claim 3, wherein: and a set screw (1-4) for screwing the fixed relation between the reinforced dust removal cover (1-1) and the front cover (1-2) is arranged on the side wall of the front cover (1-2).

5. The camera gas desmear and liquid cooled structure of claim 1, wherein: the rear cover (3-1) is provided with a plurality of cable extending grooves (3-1-2) for leading out cables on the camera movement (9) and the control module (10), and the cable extending grooves (3-1-2) are provided with cable pressure head pieces (6) for sealing and preventing explosion of the shell.

6. The camera gas desmear and liquid cooled structure of claim 5, wherein: the camera shooting device is characterized in that an airtight opening (3-1-1) used for inputting inert gas to avoid the influence on camera shooting effect due to the fact that fog is generated on the inner side of a camera window (1-5) is formed in the rear cover (3-1), an O-shaped ring fastener (3-3) is inserted into the airtight opening (3-1-1), and an O-shaped ring (3-2) is sleeved on the O-shaped ring fastener (3-3) and used for plugging the airtight opening (3-1-1) to seal the inner cavity of the shell.

7. The camera gas desmear and liquid cooled structure of claim 1, wherein: the window (1-5) is made of transparent or tawny glass, acrylic or PC material.

8. An explosion-proof camera, characterized by: the explosion-proof camera is provided with the camera gas decontamination and liquid cooling structure of any one of claims 1 to 7; and a front spigot joint surface (1-6) and a rear spigot joint surface (3-4) which are respectively integrally formed on the front cover (1-2) and the rear cover (3-1) and are used for the shell explosion-proof design.

9. An explosion-proof camera as defined in claim 8, further comprising: be equipped with between front cover subassembly (1) and well section of thick bamboo subassembly (2) and be used for waterproof dirt-proof protecgulum sealing washer (4), be equipped with between back cover subassembly (3) and well section of thick bamboo subassembly (2) and be used for waterproof dirt-proof back lid sealing washer (5).