CN116320694B - Explosion-proof camera - Google Patents
Explosion-proof camera Download PDFInfo
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- CN116320694B CN116320694B CN202310181827.6A CN202310181827A CN116320694B CN 116320694 B CN116320694 B CN 116320694B CN 202310181827 A CN202310181827 A CN 202310181827A CN 116320694 B CN116320694 B CN 116320694B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Studio Devices (AREA)
Abstract
The application relates to an explosion-proof camera, which comprises a main body, a shell, a movement lens and a light supplementing device, wherein the main body comprises a motor, the movement lens is connected with the motor through a rotating shaft, the shell is connected to the bottom of the main body and covers the movement lens, and the movement lens and the shell are arranged to be capable of synchronously rotating; the light supplementing device is connected to the side face of the shell and is arranged to rotate along with the shell, an explosion-proof structure is arranged between the light supplementing device and the shell, the light supplementing device comprises a light supplementing lamp module and a light isolating component, the light supplementing lamp module is connected with the shell, and the light isolating component is covered outside the light supplementing lamp module; the light isolation assembly comprises a bottom plate, a light shield and a light transmission ring, wherein the bottom plate is connected with the shell, the light shield is connected with the bottom plate, a light transmission opening is formed in the side wall of the light shield, and the light transmission ring is sleeved on the side wall of the light shield. The explosion-proof camera provided by the application can be suitable for an explosion-proof environment.
Description
Technical Field
The application belongs to the technical field of camera shooting, and particularly relates to an explosion-proof camera.
Background
In recent years, the requirements of users on night vision and far vision of cameras are continuously improved, and light supplementing is gradually applied to the cameras, but because light rays of the light supplementing lamp can be transmitted in the wall thickness of a transparent cover, extra light-mixing, stray light and other interferences are easily brought to a visual field, especially when the transparent cover is dirty, the influence on the visual field of the cameras is further amplified, and because places related to production, processing, storage and transportation of explosive substances can possibly form explosive environments, the electric equipment such as the cameras arranged in the places should take corresponding explosion-proof measures, so that dangerous ignition sources are avoided, and further, the occurrence of industrial explosion accidents is avoided, so that how to solve the influence of the light supplementing on the visual field of the cameras is a problem of continuous research in the security field.
At present, in explosion-proof type area light filling lamp camera in market, set up the camera subassembly in the translucent cover of main part generally, the light filling lamp subassembly sets up in independent light filling device, rethread connecting pipe between the two, the assembly is at the sealed subassembly in the connecting pipe and set up the cable connection in sealed subassembly, so not only make camera whole volume and weight great, lead to the installation inconvenient, light filling lamp light propagates in the translucent cover of camera easily moreover, produces interference such as light-string, parasitic light, influences imaging.
Disclosure of Invention
The application aims to at least solve the problems that the prior explosion-proof camera is large in size and light supplementing influences imaging. The aim is achieved by the following technical scheme:
the application provides an explosion-proof camera, which comprises a main body, a shell, a core lens and a light supplementing device, wherein the main body comprises a motor, the core lens is in transmission connection with the motor, the shell is connected to the bottom of the main body and covers the core lens, and the core lens and the shell are arranged to be capable of synchronously rotating;
the light supplementing device is connected to the side face of the shell, the light supplementing device can rotate along with the shell, an explosion-proof structure is arranged between the light supplementing device and the shell, the light supplementing device comprises a light supplementing lamp module and a light isolating component, the light supplementing lamp module is connected with the shell, and the light isolating component is covered outside the light supplementing lamp module;
the light isolation assembly comprises a bottom plate, a light shield and a light transmission ring, wherein the bottom plate is connected with the shell, the light shield is connected with the bottom plate, a light transmission opening is formed in the side wall of the light shield, and the light transmission ring is sleeved on the side wall of the light shield.
In addition, in some embodiments of the present application, a first seal-glue explosion-proof part is disposed in the main via hole of the main body; the novel explosion-proof device is characterized in that a rotating shaft connected with the motor is arranged in the main body, a first cylinder explosion-proof piece is arranged between the outer shell of the main body and the rotating shaft, and a second cylinder explosion-proof piece is arranged between the outer shell of the main body and the shell.
In some embodiments of the present application, the housing has a main cavity and two side cavities on opposite sides, the main cavity and the side cavities are disposed, and the light supplementing device is disposed in two, and the two light supplementing devices are respectively installed in the two side cavities.
In some embodiments of the present application, the light supplementing lamp module is connected with the housing through a screw, and the light supplementing lamp module and the housing are respectively provided with a corresponding threading hole, and the threading hole is in interference fit with the cable and is provided with a second sealing glue explosion-proof part.
In some embodiments of the present application, the light blocking assembly further includes a light shielding decorative cover, and the light shielding decorative cover is connected to an opening of the light transmitting ring facing away from the bottom plate and covers the opening.
In some embodiments of the present application, the light supplementing lamp module includes an infrared lamp panel and a light-transmitting lampshade, wherein the light-transmitting lampshade is covered outside the infrared lamp panel; the light supplementing device further comprises a flange, the flange is installed between the light-transmitting lampshade and the light shielding cover, a labyrinth groove structure is arranged between the flange and the light shielding cover, and the labyrinth groove structure comprises a light shielding ring rib arranged on the inner side of the light shielding cover and an annular groove arranged on the flange and matched with the light shielding ring rib.
In some embodiments of the application, an adhesive explosion-proof part is arranged between the flange and the light-transmitting lampshade.
In some embodiments of the application, the explosion proof camera further comprises a sunshade attached to the top of the body.
In some embodiments of the application, the light-transmitting lampshade is connected to the shell in a buckling way, and a threaded explosion-proof joint surface matched with the shell is arranged on the light-transmitting lampshade.
According to the explosion-proof camera provided by the embodiment of the application, the light supplementing lamp module of the light supplementing device is directly connected to the side surface of the shell, so that the light supplementing device can synchronously rotate under the drive of the motor, the main body, the light supplementing device and the core lens are integrated in the shell, the size is reduced, and the installation of the explosion-proof camera is facilitated.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic diagram of an explosion-proof camera;
FIG. 2 is an explosion schematic of an explosion proof camera;
FIG. 3 is a schematic cross-sectional view of an explosion-proof camera;
FIG. 4 is an enlarged view of a portion of the body of FIG. 3;
FIG. 5 is a partial enlarged view of the light supplementing device and housing of FIG. 3;
FIG. 6 is a second enlarged view of a portion of the light compensating device and housing of FIG. 3;
FIG. 7 is an enlarged view of a portion of the light supplementing device of FIG. 3;
FIG. 8 is a schematic diagram of the structure of the light blocking assembly in an explosion proof camera;
fig. 9 is an exploded view of the light blocking assembly of fig. 8.
The various references in the drawings are as follows:
100. an explosion-proof camera;
10. a main body; 11. a motor; 101. a main wire via; 12. a rotating shaft; 13. a bearing;
20. a housing; 201. a main cavity; 202. a side cavity; 21. a flange;
30. movement lens;
40. a light supplementing device; 41. a light supplementing lamp module; 411. an infrared lamp panel; 412. a light-transmitting lamp shade; 42. a light blocking component; 421. a bottom plate; 422. a light shield; 4221. a light transmission port; 4222. shading ring ribs; 423. a light-transmitting aperture; 424. a light shielding decorative cover; 43. a flange; 431. an annular groove;
51. a first sealing glue explosion-proof part; 52. a first cylindrical explosion suppression member; 53. a second cylindrical explosion suppression member; 54. the second sealing glue explosion-proof part; 55. a first adhesive explosion-proof section; 56. a second adhesive explosion-proof section;
60. a sunshade.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.
As shown in fig. 1 to 3, an embodiment of the present application proposes an explosion-proof camera 100, the explosion-proof camera 100 includes a main body 10, a housing 20, a movement lens 30 and a light supplementing device 40, the main body 10 includes a motor 11, the movement lens 30 is in transmission connection with the motor 11, the housing 20 is connected to the bottom of the main body 10 and covers the movement lens 30, and the movement lens 30 and the housing 20 are configured to be capable of rotating synchronously; the light supplementing device 40 is connected to the side surface of the casing 20 and is arranged to rotate along with the casing 20, an explosion-proof structure is arranged between the light supplementing device 40 and the casing 20, the light supplementing device 40 comprises a light supplementing lamp module 41 and a light isolating component 42, the light supplementing lamp module 41 is connected with the casing 20, and the light isolating component 42 is covered outside the light supplementing lamp module 41.
The explosion-proof camera 100 that this embodiment provided through the light filling lamp module 41 lug connection with light filling device 40 in the side of casing 20, makes light filling device 40 can be at random core lens 30 and casing 20 synchronous rotation under the drive of motor 11 to make main part 10, light filling device 40 and core lens 30 integrate in casing 20, be convenient for the installation of explosion-proof camera 100 when reducing the volume, this embodiment guarantees the explosion-proof requirement through setting up the flame proof structure simultaneously, through setting up the light proof subassembly 42 outside light filling lamp module 41, the light that produces at setting up direction separation light filling lamp module 41, avoid light to influence core lens 30, from this, the explosion-proof camera 100 that this embodiment provided has solved current explosion-proof camera volume big, the problem that the light filling influences the formation of image.
As shown in fig. 1, in the present embodiment, the main body 10, the housing 20, the deck lens 30 and the light compensating device 40 are integrally disposed, as shown in fig. 2, the deck lens 30 is located at the bottom of the main body 10, the housing 20 is located at the bottom of the main body 10 and outside the deck lens 30, and the light compensating device 40 is located at a side surface of the housing 20 and is arranged in a light-blocking manner with the housing 20 and the main body 10. Further, as shown in fig. 1 to 3, the explosion-proof camera 100 further includes a sunshade 60, and the sunshade 60 is attached to the top of the main body 10 for reducing the influence of sunlight on the main body 10 and the housing 20.
In this embodiment, the main body 10 includes a casing and a motor 11, the casing is an explosion-proof casing, the structural strength of the casing meets the pressure test of 1.5MPa, the motor 11 is installed in the casing and is in transmission connection with the movement lens 30, and the transmission connection mode may be gear transmission or belt transmission, which is not limited in this embodiment. As shown in fig. 3, in an alternative embodiment, a motor shaft of a motor 11 is connected with a gear through a belt, the gear is connected with a movement lens 30 through a rotating shaft 12, a housing 20 is connected at the bottom of a main body 10 and covers the movement lens 30, the housing 20 can synchronously rotate with the movement lens 30 under the driving of the motor 11, and a light supplementing device 40 connected to the side surface of the housing 20 also rotates along with the movement lens 30, in addition, the housing 20 in this embodiment includes a transparent portion corresponding to the movement lens 30 to ensure that the movement lens 30 works, and the transparent portion can be set to be in a spherical or sphere-like shape.
The explosion-proof camera 100 provided in this embodiment is provided with a plurality of explosion-proof structures or explosion-proof pieces, where the main body 10 itself has an explosion-proof arrangement, the outer shell of the main body 10 is provided with an explosion-proof outer shell, further, as shown in fig. 4, a main wire through hole 101 through which a cable passes is provided in the main body 10, after the main wire through hole 101 is matched with the cable, a first sealing glue explosion-proof part 51 is provided in the main wire through hole 101, and the length of the first sealing glue explosion-proof part 51 along the axial direction is L, where L is greater than 20 mm; with continued reference to fig. 4, the rotating shaft 12 is axially arranged, a cylindrical rotary explosion-proof mode is adopted between the rotating shaft 12 and the outer shell of the main body 10, a double bearing 13 and a first cylindrical explosion-proof piece 52 are arranged between the rotating shaft 12 and the outer shell, and the gap between the rotating shaft 12 and the outer shell and the length L1 of the first cylindrical explosion-proof piece 52 meet explosion-proof standards; as shown in fig. 5, a cylindrical explosion-proof mode is adopted between the shell and the shell 20 of the main body 10, a second cylindrical explosion-proof member 53 is arranged between the shell and the shell, the second cylindrical explosion-proof member 53 is respectively connected with the shell and the shell 20 and is at least locked with the shell through a screw or a bolt, and gaps among the two and the length L2 of the second cylindrical explosion-proof member 53 meet explosion-proof standards.
Further, the light compensating lamp module 41 of the light compensating device 40 is directly connected to the housing 20, for example, by a connecting piece such as a screw or a bolt, in some embodiments of the present application, the two light compensating devices 40 may be identical in structure and respectively installed on two symmetrical sides of the housing 20, and accordingly, the housing 20 may be configured as shown in fig. 2, the housing 20 has a main cavity 201 and two side cavities 202 located on two opposite sides, the main cavity 201 is integrally formed with the side cavities 202 and is separately provided, the main cavity 201 is opened upwards and is buckled with the main body 10, the two side cavities 202 are opened oppositely, and one light compensating lamp module 41 is respectively installed, on the basis that the two light compensating devices 40 are respectively installed in the two side cavities 202. The structural mode of the housing 20 in this embodiment further improves the overall integration level of the explosion-proof camera 100, reduces the volume, and facilitates the assembly and installation thereof.
In some embodiments of the present application, a cable between the light compensating device 40 and the main body 10 is penetrated through the housing 20, as shown in fig. 4, the light compensating device 41 and the housing 20 are respectively provided with a corresponding threading hole, the threading holes are in interference fit with the cable to avoid falling, after the cable is penetrated, the threading holes are internally provided with a second sealing glue explosion-proof part 54, and the length of the second sealing glue explosion-proof part 54 is greater than 20 mm along the axial direction of the threading holes.
Further, as shown in fig. 2, the light supplementing lamp module 41 includes an infrared lamp panel 411 and a light-transmitting lamp cover 412, the structural strength of the light-transmitting lamp cover 412 meets the 1.5MPa pressure test, the light-transmitting lamp cover 412 is covered outside the infrared lamp panel 411, the infrared lamp panel 411 is installed in the side cavity 202, for example, connected with the housing 20 through a screw, the light-transmitting lamp cover 412 is buckled and connected on the side cavity 202, the light-transmitting lamp cover 412 is provided with a threaded explosion-proof joint surface matched with the side cavity 202 so as to meet the explosion-proof standard, and the light-proof component 42 is covered outside the light-transmitting lamp cover 412 so as to enable the light of the light supplementing lamp to radiate along the set direction.
In some embodiments of the present application, as shown in fig. 8 and 9, the light isolation component 42 includes a bottom plate 421 connected to the housing 20, a light shielding cover 422 and a light transmitting ring 423, where the light shielding cover 422 is connected to the bottom plate 421, for example, may be configured as an integrally formed structure, the light shielding cover 422 is disposed on the bottom plate 421 in a protruding manner, and a cavity for accommodating the light compensating lamp module 41 is formed in the light shielding cover 422, in this embodiment, the bottom plate 421 and the light shielding cover 422 are made of opaque materials, so as to avoid light from being strung, the side wall of the light shielding cover 422 is provided with a light transmitting opening 4221, and the light transmitting opening 4221 is disposed in a direction requiring light compensation, and on the basis, the light transmitting ring 423 is sleeved on the side wall of the light shielding cover 422 and is matched with the light shielding cover 422, so that light emitted by the infrared lamp 411 can be emitted through the light transmitting ring 423 after being emitted through the light transmitting lamp cover 412 and the light transmitting opening 4221 along a set direction.
With continued reference to fig. 9, with reference to fig. 2 and 3, the radial dimension of the portion of the housing 20 where the side cavity 202 is disposed is smaller, the radial dimension of the top of the housing 20 is larger, the portion of the housing that radially extends beyond the side cavity 202 forms the flange 21, the light isolation assembly 42 is mounted between the flange 21 and the side cavity 202, the shape of the bottom plate 421 of the light isolation assembly 42 is matched with the shape of the outer surface of the housing 20, and a bending portion is provided at the top of the bottom plate 421, and when assembled, the bending portion is bent and attached to the bottom of the flange 21 of the housing 20, and can be clamped or connected by screws, so as to improve the stability of the connection between the light supplementing device 40 and the housing 20.
In addition to the above embodiment, the shape of the light shield 422 may be a truncated cone shape or a cylindrical shape, as shown in fig. 9, the light shield 422 is provided in a truncated cone shape, one end with a larger area is provided as an opening connected to the bottom plate 421, the side wall of the light shield is provided with a light-transmitting opening 4221 along the circumferential direction, and the length of the light-transmitting opening 4221 along the circumferential direction may be set according to the actual situation, which is not limited in this embodiment; accordingly, the aperture of the diaphragm 423 is different in size at both ends and is matched with the sidewall of the light shielding cover 422.
On the basis of the above embodiment, as shown in fig. 9, the light isolation assembly 42 further includes a light shielding decorative cover 424, the light shielding decorative cover 424 is made of a light-proof material, the light shielding decorative cover 424 is connected to an opening of the light transmitting ring 423, which is away from the bottom plate 421, for example, may be configured to be in a clamping connection or a threaded connection, and cover the opening, and in this embodiment, the light shielding decorative cover 424 is used for blocking light emitted by the infrared lamp panel 411, so as to avoid crosstalk.
Further, referring to fig. 3 and 5, in some embodiments of the present application, the light supplementing device 40 further includes a flange 43, and the flange 43 is installed between the light-transmitting lampshade 412 and the light-shielding cover 422 to perform an explosion-proof function between the light-transmitting lampshade 412 and the light-shielding cover 422. Further, a sealing ring matched with the flange 43 can be further disposed between the light-transmitting lampshade 412 and the light-shielding cover 422, so as to improve the tightness between the light-supplementing lamp module 41 and the light-isolating component 42. In this embodiment, the flange 43 is bonded to the light-transmitting lampshade 412, as shown in fig. 5, a first adhesive explosion-proof portion 55 is disposed between the flange 43 and the light-transmitting lampshade 412 and meets the explosion-proof requirement, and in addition, as shown in fig. 6, a second adhesive explosion-proof portion 56 is disposed at the passage between the light-transmitting lampshade 412 and the outside, and meets the explosion-proof requirement, and the length of the second adhesive explosion-proof portion 56 is greater than 12 mm.
On the basis of the above embodiment, a labyrinth groove structure is disposed between the flange 43 and the light shield 422, the labyrinth groove structure is used for preventing light of the light compensating lamp module 41 from entering the housing 20 from the side to interfere with the movement lens 30, for example, referring to fig. 7 and 9, in this embodiment, the labyrinth groove structure disposed between the flange 43 and the light shield 422 includes a light shielding ring rib 4222 disposed on the inner side of the light shield 422, and an annular groove 431 disposed on a corresponding position on a side of the flange 43 facing the light shield 422, where the light shielding ring rib 4222 is inserted in the annular groove 431, in this embodiment, the height of the light shielding ring rib 4222 may be greater than 1 mm, and the depth of the annular groove 431 may be less than or equal to the height of the light shielding ring rib 4222.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (8)
1. The explosion-proof camera is characterized by comprising a main body, a shell, a movement lens and a light supplementing device, wherein the main body comprises a motor, the movement lens is in transmission connection with the motor, the shell is connected to the bottom of the main body and covers the movement lens, and the movement lens and the shell are arranged to be capable of synchronously rotating;
the light supplementing device is connected to the side face of the shell, the light supplementing device can rotate along with the shell, an explosion-proof structure is arranged between the light supplementing device and the shell, the light supplementing device comprises a light supplementing lamp module and a light isolating component, the light supplementing lamp module is connected with the shell, and the light isolating component is covered outside the light supplementing lamp module;
the light isolation assembly comprises a bottom plate, a light shield and a light transmission ring, the bottom plate is connected with the shell, the light shield is connected with the bottom plate, a light transmission opening is formed in the side wall of the light shield, and the light transmission ring is sleeved on the side wall of the light shield; the top of the bottom plate is provided with a bending part which is bent and attached to the bottom of the flange of the shell;
the light supplementing lamp module comprises an infrared lamp panel and a light-transmitting lamp shade, and the light-transmitting lamp shade is covered outside the infrared lamp panel; the light supplementing device further comprises a flange, the flange is installed between the light-transmitting lampshade and the light shielding cover, a labyrinth groove structure is arranged between the flange and the light shielding cover, and the labyrinth groove structure comprises a light shielding ring rib arranged on the inner side of the light shielding cover and an annular groove arranged on the flange and matched with the light shielding ring rib.
2. The explosion-proof camera of claim 1, wherein a first seal explosion-proof part is arranged in the main wire through hole of the main body; the novel explosion-proof device is characterized in that a rotating shaft connected with the motor is arranged in the main body, a first cylinder explosion-proof piece is arranged between the outer shell of the main body and the rotating shaft, and a second cylinder explosion-proof piece is arranged between the outer shell of the main body and the shell.
3. The explosion-proof camera according to claim 1, wherein the housing has a main cavity and two side cavities on opposite sides, the main cavity being disposed apart from the side cavities, the light supplementing means being provided in two, the two light supplementing means being mounted in the two side cavities, respectively.
4. The explosion-proof camera according to claim 1 or 3, wherein the light supplementing lamp module is connected with the shell through a screw, the light supplementing lamp module and the shell are respectively provided with corresponding threading holes, and the threading holes are in interference fit with the cable and are provided with second sealing explosion-proof parts.
5. The explosion-proof camera of claim 1, wherein the light blocking assembly further comprises a light shielding decorative cover connected to the light transmitting ring at an opening facing away from the base plate and covering the opening.
6. The explosion-proof camera according to claim 1, wherein an adhesive explosion-proof portion is provided between the flange and the light-transmitting globe.
7. The explosion-proof camera of claim 1, further comprising a sunshade attached to a top of the body.
8. The explosion-proof camera according to claim 1, wherein the light-transmitting lampshade is connected to the shell in a buckled mode, and a threaded explosion-proof joint surface matched with the shell is arranged on the light-transmitting lampshade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310181827.6A CN116320694B (en) | 2023-02-16 | 2023-02-16 | Explosion-proof camera |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310181827.6A CN116320694B (en) | 2023-02-16 | 2023-02-16 | Explosion-proof camera |
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| CN116320694A CN116320694A (en) | 2023-06-23 |
| CN116320694B true CN116320694B (en) | 2023-08-15 |
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| CN118678192A (en) * | 2024-08-22 | 2024-09-20 | 杭州海康威视数字技术股份有限公司 | Explosion-proof camera |
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