CN218387694U

CN218387694U - High-temperature-resistant explosion-proof camera shell and camera

Info

Publication number: CN218387694U
Application number: CN202222930326.7U
Authority: CN
Inventors: 邓泽勇; 张兵; 周怡; 葛玉兰; 毛太敏
Original assignee: Chongqing Duchen Industrial Technology Co ltd
Current assignee: Chongqing Duchen Industrial Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-01-24
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a high temperature resistant explosion-proof camera shell, which designs a shell body into a three-layer structure, wherein the innermost layer and the outermost layer are both filled with heat insulation cotton, and as the heat insulation cotton not only has low heat conductivity coefficient, the heat insulation cotton can effectively prevent external heat from entering and protect the camera core, but also has a series of advantages of light weight, good chemical property stability, difficult aging, good flame retardant property and the like; the intermediate level is through setting up the forced air cooling pipe, can derive shell body and the cotton heat of the thermal-insulated cotton of inside and outside both sides high-efficiently, realizes high-efficient heat dissipation to make the ambient temperature around the camera core be in the low level all the time, can continuously operate steadily, and then make the camera can be applicable to high temperature environment, even also can long-time steady operation at 85 ℃ and above high temperature environment.

Description

High-temperature-resistant explosion-proof camera shell and camera

Technical Field

The utility model relates to an image acquisition equipment technical field, concretely relates to high temperature resistant explosion-proof camera shell and camera.

Background

With the advent of the intelligent era, the camera has entered the aspects of social life and becomes one of the most popular digital products. An explosion-proof camera in the camera belongs to explosion-proof monitoring products and is applied to high-risk combustible and explosive fields.

The existing explosion-proof camera only has the functions of compression resistance and falling resistance due to the structural design problem, and the camera core is hermetically arranged in the camera shell, so that the camera core has poor heat dissipation capability, cannot be suitable for high-temperature environments, particularly cannot operate for a long time in the high-temperature environment of 85 ℃ or above, and otherwise can be damaged or spontaneously combust.

It is urgent to solve the above problems.

SUMMERY OF THE UTILITY MODEL

For solving the not enough technical problem of current explosion-proof camera heat-sinking capability, the utility model provides a high temperature resistant explosion-proof camera shell and camera.

The technical scheme is as follows:

the utility model provides a high temperature resistant explosion-proof camera shell, includes the camera shell body, this camera shell body is including being the shell body of cylinder, fixed mounting at the protecgulum of shell body front end and installing the back lid in the shell body rear end, be provided with lens glass on the protecgulum, radially be equipped with the inlayer thermal-insulated chamber, middle heat dissipation chamber and the outer thermal-insulated chamber that all are the tubular structure from inside to outside in proper order in the shell body, it has thermal-insulated cotton all to pack in inlayer thermal-insulated chamber and the outer thermal-insulated chamber, be provided with the air-cooled cooling pipe in the middle heat dissipation chamber, the entrance point and the exit end of this air-cooled cooling pipe have air inlet straight tube section and air-out straight tube section respectively, cover after and set up air inlet section via hole and air-out section via hole with air inlet straight tube section and air-out straight tube section adaptation respectively, the air inlet straight tube section via hole is worn out outwards, the air-out straight tube section via hole is worn out outwards.

The utility model provides a camera, includes foretell high temperature resistant explosion-proof camera shell and installs the camera core at camera shell body inside through the core support, the back is covered and is installed the spool, the pencil of camera core is worn out outwards through the spool.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the high-temperature-resistant explosion-proof camera shell and the camera adopting the technical scheme, the shell body is designed into a three-layer structure, the innermost layer and the outermost layer are filled with the heat insulation cotton, the heat insulation cotton has low heat conductivity coefficient, can effectively prevent external heat from entering and protect the camera core, and has a series of advantages of light weight, good chemical property stability, difficult aging, good flame retardant property and the like; the intermediate level is through setting up the forced air cooling pipe, can derive shell body and the cotton heat of the thermal-insulated cotton of inside and outside both sides high-efficiently, realizes high-efficient heat dissipation to make the ambient temperature around the camera core be in the low level all the time, can continuously operate steadily, and then make the camera can be applicable to high temperature environment, even also can long-time steady operation at 85 ℃ and above high temperature environment.

Drawings

Fig. 1 is an external structural view of a video camera;

FIG. 2 is a schematic diagram of a camera;

FIG. 3 is a schematic view of an air-cooled heat dissipating tube;

FIG. 4 is a schematic view of the fit relationship of the camera movement, the movement bracket and the rear cover;

fig. 5 is a schematic view of the mating relationship between the housing and the rear cover.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

As shown in fig. 1 to fig. 3, a high temperature resistant and explosion proof camera housing mainly includes a camera housing body 1, where the camera housing body 1 includes a housing body 11, a front cover 12 and a rear cover 13, the housing body 11 is a cylindrical structure, an installation space is provided inside the housing body 11, the front cover 12 is fixed at the front end of the housing body 11, and may be formed integrally or fixed by welding or bonding. The lens glass 121 is provided on the front cover 12, the rear cover 13 is attached to the rear end of the housing body 11, and the rear cover 13 is attached to the rear end of the housing body 11 by screws, so that the lens glass can be detached.

In this embodiment, the shell 11, the front cover 12 and the rear cover 13 are all made of 304 stainless steel, so that the appearance is attractive and elegant, and the heat dissipation speed meets the requirement of explosion-proof specifications.

Referring to fig. 2 and 5, an inner layer heat insulation cavity 111, a middle heat dissipation cavity 112 and an outer layer heat insulation cavity 113, which are all cylindrical structures, are sequentially arranged in the housing 11 from inside to outside along the radial direction, that is: the inner-layer heat insulation cavity 111 is located on the inner side of the middle heat dissipation cavity 112, the outer-layer heat insulation cavity 113 is located on the outer side of the middle heat dissipation cavity 112, and the inner-layer heat insulation cavity 111, the middle heat dissipation cavity 112 and the outer-layer heat insulation cavity 113 jointly form a three-layer annular structure.

Wherein, all pack in inlayer thermal-insulated chamber 111 and the outer thermal-insulated chamber 113 and have thermal-insulated cotton 3 to, in this embodiment, all pack in inlayer thermal-insulated chamber 111 and the outer thermal-insulated chamber 113 and insulate against heat cotton 3, because thermal-insulated cotton 3 is not only low in the coefficient of heat conductivity, can effectively prevent external thermal entering, protection camera core, thermal-insulated cotton 3 still has a series of advantages such as the quality is light, chemical properties is stable good, difficult ageing, fire behaviour is good moreover.

Referring to fig. 2 and 3, the middle heat dissipating cavity 112 is provided with an air-cooled heat dissipating tube 4, the inlet end and the outlet end of the air-cooled heat dissipating tube 4 are respectively provided with an air inlet straight tube section 41 and an air outlet straight tube section 45, the rear cover 13 is provided with an air inlet section through hole 131 and an air outlet section through hole 132 respectively matched with the air inlet straight tube section 41 and the air outlet straight tube section 45, the air inlet straight tube section 41 outwardly penetrates through the air inlet section through hole 131, and the air outlet straight tube section 45 outwardly penetrates through the air outlet section through hole 132. Therefore, the heat of the shell body 11 and the heat insulation cotton 3 on the inner side and the outer side can be efficiently led out through the air-cooled radiating pipe 4 arranged in the middle layer, so that efficient heat radiation is realized, the ambient temperature around the camera movement 9 is always low, the camera can continuously and stably operate, the camera can be suitable for a high-temperature environment, and the camera can stably operate for a long time even in the high-temperature environment of 85 ℃ and above.

Specifically, referring to fig. 3, the air-cooled heat pipe 4 further includes an air inlet spiral section 42, a connection section 43 and an air outlet spiral section 44 sequentially connected between the air inlet straight pipe section 41 and the air outlet straight pipe section 45, the air inlet spiral section 42 and the air outlet spiral section 44 are spirally wound around the middle heat dissipation cavity 112 and jointly form a double-spiral structure, and the connection section 43 is connected to one end of the air inlet spiral section 42 and one end of the air outlet spiral section 44 close to the front cover 12. In addition, the air inlet spiral section 42 and the air outlet spiral section 44 are attached to the two side cavity walls of the middle heat dissipation cavity 112, so that heat dissipation can be efficiently performed, and the condition of air channel congestion is avoided.

Furthermore, the air-cooled radiating pipe 4 is made of a copper pipe, so that the heat conducting capacity is high, the processing is easy, and the corrosion resistance is high.

Referring to fig. 2, the air intake straight pipe section 41 is communicated with the compressed air outlet of the air compressor 6 through an air intake pipeline 5, and the air intake pipeline 5 is provided with a first dryer 2. Through setting up first desicator 2, can prevent effectively that steam from getting into 4 insides of air-cooled cooling tube and causing the pipeline ponding of hazing to can delay the ageing of air-cooled cooling tube 4. Further, in order to further prevent the water vapor from entering the inside of the air-cooled heat dissipation pipe 4, the air outlet straight pipe section 45 exhausts air to the environment through the exhaust pipeline 7, and the exhaust pipeline 7 is also provided with a second dryer 8.

Referring to fig. 1 and 2, a camera includes the above-mentioned high-temperature-resistant explosion-proof camera housing and a camera movement 9 mounted inside the camera housing body 1 through a movement bracket 91, a conduit 133 is mounted on the rear cover 13, and a wiring harness of the camera movement 9 passes through the conduit 133.

The wiring harness of the camera movement 9 has the flame-retardant characteristic due to the fact that the high-temperature protective sleeve is adopted, and the core material in the wiring harness is made of high-temperature-resistant flame-retardant tin-plated pure copper cables, so that the camera movement has the advantages of being small in transmission resistance, smooth in data, high-temperature-resistant and flame-retardant and the like.

Referring to fig. 2 and 4, the movement bracket 91 is an L-shaped structure and is fixedly mounted on the inner side of the rear cover 13, the movement bracket 91 is provided with a harness through hole 911 communicated with the conduit 133, and a harness of the camera movement 9 penetrates into the conduit 133 through the harness through hole 911. Not only can reliably fix the camera movement 9, but also does not influence the wiring.

Referring to fig. 1, a circle of housing mounting ring 114 is further disposed outside the housing 11, and a camera bracket 115 capable of rotating and adjusting an angle is further mounted on the housing mounting ring 114, so as to facilitate the integral installation of the camera. In addition, the camera bracket 115 is further provided with a plurality of bolt connection holes, so that the camera bracket 115 can be locked at a designated position by bolts.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims

1. The utility model provides an explosion-proof camera shell of high temperature resistant, includes camera housing body (1), this camera housing body (1) is including being the shell body (11) of cylinder, fixed mounting in front cover (12) of shell body (11) front end and installing back lid (13) at shell body (11) rear end, be provided with lens glass (121), its characterized in that on front cover (12): the heat-insulating air-conditioning shell is characterized in that an inner layer heat-insulating cavity (111), a middle heat-insulating cavity (112) and an outer layer heat-insulating cavity (113) which are all of cylindrical structures are sequentially arranged in the shell body (11) from inside to outside along the radial direction, heat-insulating cotton (3) is filled in the inner layer heat-insulating cavity (111) and the outer layer heat-insulating cavity (113), an air-cooled radiating pipe (4) is arranged in the middle heat-radiating cavity (112), an inlet end and an outlet end of the air-cooled radiating pipe (4) are respectively provided with an air inlet straight pipe section (41) and an air outlet straight pipe section (45), an air inlet section through hole (131) and an air outlet section through hole (132) which are respectively matched with the air inlet straight pipe section (41) and the air outlet straight pipe section (45) are formed in the rear cover (13), the air inlet straight pipe section (41) penetrates out the air inlet section through hole (131) outwards, and the air outlet section (45) penetrates out the air outlet section through hole (132) outwards.

2. A high temperature resistant and explosion proof camera housing according to claim 1, wherein: air-cooled cooling tube (4) are still including communicating air inlet spiral section (42), linkage segment (43) and air-out spiral section (44) between air inlet straight tube section (41) and air-out straight tube section (45) in proper order, air inlet spiral section (42) and air-out spiral section (44) all are the spiral ring around in middle heat dissipation chamber (112) to constitute double helix structure jointly, linkage segment (43) intercommunication air inlet spiral section (42) and air-out spiral section (44) are close to the one end of protecgulum (12).

3. The camera housing of claim 1, wherein: the air inlet straight pipe section (41) is communicated with a compressed air outlet of the air compressor (6) through an air inlet pipeline (5), and the air inlet pipeline (5) is provided with a first dryer (2).

4. A high temperature resistant and explosion proof camera housing according to claim 3, wherein: air-out straight tube section (45) are through exhaust pipe (7) to the environmental exhaust, be provided with second desicator (8) on exhaust pipe (7).

5. A high temperature resistant and explosion proof camera housing according to claim 1, wherein: the air-cooled radiating pipe (4) is made of a copper pipe.

6. A high temperature resistant and explosion proof camera housing according to claim 1, wherein: the shell body (11), the front cover (12) and the rear cover (13) are all made of 304 stainless steel.

7. A camera, characterized by: the camera comprises the high-temperature-resistant explosion-proof camera shell and a camera core (9) which is arranged inside a camera shell body (1) through a core bracket (91) according to any one of claims 1-5, wherein a wire tube (133) is arranged on the rear cover (13), and a wire harness of the camera core (9) penetrates out through the wire tube (133).

8. The camera of claim 7, wherein: core support (91) are L shape structure to fixed mounting is in the inboard of back lid (13), set up pencil via hole (911) with spool (133) intercommunication on core support (91), the pencil of camera core (9) penetrates in spool (133) through pencil via hole (911).