CN109581788B - Fully-sealed constant-pressure underwater camera - Google Patents
Fully-sealed constant-pressure underwater camera Download PDFInfo
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- CN109581788B CN109581788B CN201811406593.6A CN201811406593A CN109581788B CN 109581788 B CN109581788 B CN 109581788B CN 201811406593 A CN201811406593 A CN 201811406593A CN 109581788 B CN109581788 B CN 109581788B
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/08—Waterproof bodies or housings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
- Structure And Mechanism Of Cameras (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention discloses a full-sealed constant-pressure underwater camera which comprises a housing component, a camera component and a constant-pressure adjusting component. The fully-sealed constant-pressure underwater camera adopts a mode of packaging the whole camera component and dry inert gas in the housing component, so that the aging problem of an instrument can be effectively reduced, the service life of the camera can be prolonged, and the problems of low adjusting speed, high energy consumption and the like caused by water damping can be avoided; the constant pressure adjusting component can keep the pressure inside and outside the housing component consistent along with the increase of the diving depth, so that the integral pressure resistance is improved; the underwater camera can be fixedly installed on different positions of a submersible or an underwater robot to be used without being limited by a video transmission control line, the independence of the underwater camera is greatly enhanced, the underwater camera has better use flexibility, the application range is greatly extended, the number of times of posture adjustment of the submersible or the underwater robot can be greatly reduced, and energy conservation is realized.
Description
Technical Field
The invention relates to an underwater camera, in particular to a fully-sealed constant-pressure underwater camera capable of relating to deep water, shallow water or ground environment, and belongs to the technical field of underwater cameras.
Background
The underwater camera system generally comprises an underwater camera, a video transmission control line, a control box, an auxiliary control device and the like, is mainly applied to the underwater fields of petroleum, deep water detection, underwater operation, marine fishery and the like, and is mainly used for measurement, monitoring, exploration and the like.
The underwater camera is used as a core component of an underwater camera system, and the waterproof performance and the water pressure resistance of the underwater camera are the premise of ensuring that the underwater camera can work stably underwater. The existing underwater cameras are fixedly arranged on a submersible or an underwater robot in a mode of additionally arranging a sealed pressure-resistant shell outside the camera. The design of the sealed pressure-resistant shell of the underwater camera is usually based on various factors such as high pressure-resistant grade requirement, comprehensive cost performance, corrosion resistance and the like, so the most common underwater camera at present is a gun type camera with a tubular structure, the camera has the characteristics of good and stable sealing performance, but the gun type structure greatly reduces the visual field of an observer, the posture of a submersible vehicle or an underwater robot needs to be changed if the visual angle needs to be changed during underwater use, and the posture is adjusted by consuming a large amount of energy of the submersible vehicle or the underwater robot while the use is inconvenient. In the prior art, an underwater camera with a spherical structure is also provided, wherein a lens driving device and a lens are usually respectively sealed, and although the underwater camera with the spherical structure has a wider visual field, the underwater camera is difficult to replace once being installed on a submersible or an underwater robot and still has the problem of inconvenient use, and on the other hand, the underwater camera has the problems of slow adjusting speed, energy consumption and the like caused by water damping when used for adjusting a visual angle underwater. In addition, the existing underwater camera only resists water pressure through the sealed pressure-resistant shell, namely when the underwater camera is used underwater, although the external pressure of the sealed pressure-resistant shell is increased, the inside of the sealed pressure-resistant shell is still at normal pressure, so that the applicable water depth range of the underwater camera is limited, and the sealed pressure-resistant shell is damaged when the applicable water depth range is exceeded, and further the underwater camera is damaged due to water seepage. Moreover, the existing underwater camera is mostly limited by a video transmission control line, and the use flexibility is poor.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a fully-sealed constant-pressure underwater camera, which can overcome the difficulty of taking the flexibility and the sealing into account, greatly enhance the independence of the underwater camera and enable the position of the camera to be changed at any time according to the requirement to be possible.
In order to achieve the purpose, the full-sealed constant-pressure underwater camera comprises a cover shell assembly, a camera assembly and a constant-pressure adjusting assembly;
the cover component comprises a hemispherical cover and a cover bottom plate, the cover bottom plate is hermetically and fixedly arranged at the bottom of the hemispherical cover, and the spherical center projection of the hemispherical cover is positioned at the geometric center of the cover bottom plate;
the camera component is integrally packaged in the housing component and comprises a cylindrical camera body and a supporting frame; the top end of the supporting frame is fixedly arranged on the inner side surface of the bottom plate of the housing; the cylindrical camera body is erected and installed on the supporting frame through a circumferential rotation control component and a radial rotation control component, a circumferential rotation axis of the cylindrical camera body and a spherical center projection line of the hemispherical housing are arranged in a collinear manner, a radial rotation axis of the cylindrical camera body is arranged in parallel to a housing bottom plate, the circumferential rotation control component comprises a circumferential rotation micro-motor, the circumferential rotation micro-motor is in transmission connection with the cylindrical camera body through a circumferential transmission gear, the radial rotation control component comprises a radial rotation micro-motor, the radial rotation micro-motor is in transmission connection with the cylindrical camera body through a radial transmission gear, and a lens photosensitive element is arranged inside the cylindrical camera body;
the constant pressure regulating assembly comprises a constant pressure regulating component and dry inert gas encapsulated in the housing assembly; the constant pressure regulating component with the smooth hollow inner cavity is integrally of a sleeve-shaped structure and fixedly installed on the housing component in a sleeved mode, one end of the smooth hollow inner cavity is provided with a pressure input port, the other end of the smooth hollow inner cavity is communicated with the housing component through a pressure regulating channel communicated with the interior of the housing component, a sliding piston connected with the surface of the smooth hollow inner cavity in a sliding fit mode is further arranged in the smooth hollow inner cavity, and the sliding piston divides the smooth hollow inner cavity into an internal pressure regulating cavity communicated with the interior of the housing component and an external pressure input cavity communicated with the outside.
As a further improvement scheme of the invention, the camera assembly further comprises an electric control mechanism, the electric control mechanism is fixedly arranged on the supporting frame and comprises a microprocessor, a battery, a wireless data receiving and transmitting module and a wireless charging receiving module, the microprocessor is respectively and electrically connected with the battery, the wireless data receiving and transmitting module, the wireless charging receiving module, the circumferential rotation micromotor, the radial rotation micromotor and the lens photosensitive element, and the wireless data receiving and transmitting module is electrically connected with the battery.
As a further development of the invention, the support frame has a hemispherical support surface which is dimensioned to fit the inner surface of the hemispherical housing.
As a further improvement scheme of the invention, an outer limit convex ring capable of preventing the sliding piston from jumping out is arranged at a position close to the pressure input port in the smooth hollow inner cavity, and the air pressure of dry inert gas packaged in the housing component is greater than the standard atmospheric pressure.
As a further improvement scheme of the invention, an inner limiting convex ring capable of preventing the sliding piston from jumping into the pressure regulating channel is arranged at the position close to the pressure regulating channel in the smooth hollow inner cavity.
As an embodiment of the constant pressure adjusting member of the present invention, the smooth hollow interior of the constant pressure adjusting member is provided in a spiral multi-layered structure disposed around the central axis of the housing assembly.
As another embodiment of the constant pressure regulating component, a smooth hollow inner cavity of the constant pressure regulating component is arranged into a through annular cavity structure, a pressure input port is of a hole structure penetrating through the outer wall of the constant pressure regulating component, a fixed plug which is fixedly connected with the surface of the smooth hollow inner cavity in a sealing way is arranged in the position, corresponding to the pressure input port, in the smooth hollow inner cavity of the constant pressure regulating component, the fixed plug and a sliding piston divide the smooth hollow inner cavity of the annular cavity structure into an internal pressure regulating cavity and an external pressure input cavity, the pressure input port is arranged on the external pressure input cavity, and a pressure regulating channel is arranged in the internal pressure regulating cavity and close to the fixed plug.
As a further improvement of the invention, the electric control mechanism of the camera assembly further comprises a memory, and the memory is electrically connected with the microprocessor.
Compared with the prior art, the fully-sealed constant-pressure underwater camera adopts the mode of packaging the whole camera assembly and dry inert gas in the housing assembly, so that not only are precise instruments such as a lens photosensitive element and the like completely isolated from the outside, but also the aging problem of the instruments can be effectively reduced, the service life of the camera can be prolonged, and the problems of low adjusting speed, high energy consumption and the like caused by water damping can be avoided; because the constant pressure adjusting assembly is arranged, the increased external water pressure pushes the sliding piston to move along with the increase of the diving depth, so that the space of the internal pressure adjusting cavity is reduced, the dry inert gas encapsulated in the housing assembly is compressed to generate internal pressure resisting the external water pressure, the internal pressure and the external pressure of the housing assembly are kept consistent, the integral pressure resistance is improved, and even if a small crack occurs due to collision and other problems of the hemispherical housing, the fully-sealed constant pressure underwater camera can still continue to work under the support of the internal pressure, and more serious consequences can not be generated due to the deep water pressure; the camera assembly is provided with the electric control mechanism comprising the microprocessor, the battery, the wireless data transceiver module and the wireless charging receiving module, so that the camera assembly is not limited by a video transmission control line, and can be fixedly arranged on different positions of a submersible or an underwater robot for use in modes of a sucker, a positioning clamping groove and the like, the independence of the underwater camera is greatly enhanced, the camera assembly has better use flexibility, the application range is greatly extended, the posture adjustment times of the submersible or the underwater robot can be greatly reduced, and energy is saved.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic illustration of a three-dimensional explosive structure of the present invention;
FIG. 3 is a schematic three-dimensional view of the housing assembly of the present invention;
FIG. 4 is a schematic three-dimensional view of a camera assembly of the present invention;
fig. 5 is a schematic three-dimensional structure of the constant pressure adjusting assembly of the present invention.
In the figure: 1. the camera comprises a housing component, 11, a hemispherical housing, 12, a housing bottom plate, 2, a camera assembly, 21, a cylindrical camera body, 22, a supporting frame, 3, a constant pressure adjusting component, 31, a constant pressure adjusting component, 32, a pressure input port, 33, a fixed plug, 34 and a sliding piston.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the fully-sealed constant-pressure underwater camera comprises a housing assembly 1, a camera assembly 2 and a constant-pressure adjusting assembly 3.
As shown in fig. 3, the housing assembly 1 includes a hemispherical housing 11 and a housing bottom plate 12, the housing bottom plate 12 is hermetically and fixedly installed at the bottom of the hemispherical housing 11, and the projection of the sphere center of the hemispherical housing 11 is located at the geometric center of the housing bottom plate 12.
The camera component 2 is wholly packaged in the housing component 1, as shown in fig. 4, the camera component 2 comprises a cylindrical camera body 21, a supporting frame 22 and an electric control mechanism; the top end of the supporting frame 22 is fixedly arranged on the inner side surface of the housing bottom plate 12; the cylinder type camera body 21 is mounted on the support frame 22 by the circumferential rotation control part and the radial rotation control part, the circumferential rotation axis of the cylinder type camera body 21 and the spherical center projection line of the hemispherical cover 11 are arranged in a collinear way, the radial rotation axis of the cylinder type camera body 21 is arranged in parallel with the cover bottom plate 12, the circumferential rotation control component comprises a circumferential rotation micro-motor which is in transmission connection with the cylinder type camera body 21 through a circumferential transmission gear, the radial rotation control component comprises a radial rotation micro-motor which is in transmission connection with the cylinder type camera body 21 through a radial transmission gear, the cylinder type camera body 21 can do circumferential rotation motion and radial rotation motion by controlling the actions of the circumferential rotation micromotor and the radial rotation micromotor, and a lens photosensitive element is arranged in the cylinder type camera body 21; the electric control mechanism is fixedly installed on the supporting frame 22 and comprises a microprocessor, a battery, a wireless data receiving and transmitting module and a wireless charging receiving module, the microprocessor is electrically connected with the battery, the wireless data receiving and transmitting module, the wireless charging receiving module, the circumferential rotation micromotor, the radial rotation micromotor and the lens photosensitive element respectively, and the wireless data receiving and transmitting module is electrically connected with the battery.
As shown in fig. 5, the constant pressure adjusting assembly 3 includes a constant pressure adjusting part 31 and a dry inert gas enclosed inside the housing assembly 1; the constant pressure regulating component 31 with a smooth hollow inner cavity is integrally in a sleeve-shaped structure and fixedly installed on the housing component 1 in a sleeved mode, one end of the smooth hollow inner cavity is provided with a pressure input port 32, the other end of the smooth hollow inner cavity is communicated and connected with the housing component 1 through a pressure regulating channel communicated with the interior of the housing component 1, a sliding piston 34 connected with the surface of the smooth hollow inner cavity in a sliding fit mode is further arranged in the smooth hollow inner cavity, and the sliding piston 34 divides the smooth hollow inner cavity into an inner pressure regulating cavity communicated with the interior of the housing component 1 and an external pressure input cavity communicated with the outside; the air in the housing component 1 is discharged during the encapsulation of the dry inert gas, so that the oxidation phenomenon or other chemical reactions of the camera component 2 can be reduced or even stopped, the change rate of the internal temperature is far less than the change rate of the external temperature, and further, the cracks of the material caused by fatigue are slowed down, so that the instrument works in a better working environment all the time, the safety and the stability of the instrument are guaranteed to the greatest extent, and the purpose of prolonging the service life can be finally achieved.
This totally enclosed formula constant voltage is camera under water adopts the mode of wholly encapsulating camera subassembly 2 in housing subassembly 1 is inside, not only makes precision instruments such as camera lens light sensing element keep apart with the outside completely, can also slow down the ageing problem of instrument effectively, prolong the life-span of camera, can avoid the slow, the big scheduling problem of power consumption of regulation speed that the damping of simultaneously because of water caused.
During underwater operation, the increased external water pressure pushes the sliding piston 34 to move to reduce the space of the internal pressure regulating cavity along with the increase of the diving depth, and the dry inert gas encapsulated in the housing component 1 is compressed to generate internal pressure resisting the external water pressure, so that the internal pressure and the external pressure of the housing component 1 are kept consistent, and the structure of the hemispherical housing 11 has better pressure resistance, therefore, the pressure resistance of the whole fully-sealed constant-pressure underwater camera can be improved on the basis of the hemispherical housing 11 made of materials with high pressure resistance level requirements and keeping the internal pressure and the external pressure of the housing component 1 consistent, even if the hemispherical housing 11 generates tiny cracks due to collision and other problems, the fully-sealed constant-pressure underwater camera can still work under the support of the internal pressure, and more serious consequences can not be generated due to the deep water pressure, until the semi-spherical shell 11 is returned to the land for maintenance and replacement.
In order to further improve the overall pressure resistance of the totally sealed constant pressure underwater camera, as a further improvement of the present invention, as shown in fig. 4, the supporting frame 22 has a hemispherical supporting surface which is matched with the size of the inner surface of the hemispherical housing 11. The camera subassembly 2 monolithic package is in the inside back of housing subassembly 1, and braced frame 22's hemisphere holding surface can be connected with the laminating of the internal surface of hemisphere housing 11, and then can play the effect of supporting the resistance to compression to the realization further improves the holistic compressive capacity of this totally enclosed formula constant voltage underwater camera.
In order to further improve the overall pressure resistance of the fully-sealed constant-pressure underwater camera, as a further improvement of the present invention, an outer limit protruding ring capable of preventing the sliding piston 34 from jumping out is disposed at a position close to the pressure input port 32 in the smooth hollow inner cavity, and the air pressure of the dry inert gas encapsulated inside the housing assembly 1 is greater than the standard atmospheric pressure. Namely, the dry inert gas is packaged in the process of the interior of the housing component 1 by adopting a pressure packaging mode, the sliding piston 34 is propped against the outer limit convex ring by the dry inert gas with certain air pressure, and the whole pressure resistance of the fully-sealed constant-pressure underwater camera can be improved by the aid of the certain pressure in the interior of the housing component 1.
In order to prevent the sliding piston 34 from sliding into the housing assembly 1 under the action of excessive external water pressure to cause water inflow, as a further improvement of the present invention, an inner limiting convex ring capable of preventing the sliding piston 34 from jumping into the pressure regulating channel is disposed at a position close to the pressure regulating channel in the smooth hollow cavity.
As an embodiment of the constant pressure adjusting member 31 of the present invention, in order to ensure a sufficient compression stroke, since the external water pressure may be relatively high in a use environment of the deepwater operation, the smooth hollow cavity of the constant pressure adjusting member 31 is a spiral multi-layer structure disposed around the central axis of the housing assembly 1, and the smooth hollow cavity of the spiral multi-layer structure can increase the sliding stroke of the sliding piston 34, thereby ensuring a sufficient compression stroke.
As another embodiment of the constant pressure regulating member 31 of the present invention, in the use environment of shallow water operation, since the external water pressure is not too large, the smooth hollow inner cavity of the constant pressure regulating member 31 is configured as a through annular cavity structure, as shown in fig. 5, the pressure input port 32 is a hole structure penetrating through the outer wall of the constant pressure regulating member 31, a fixed plug 33 hermetically and fixedly connected with the surface of the smooth hollow inner cavity is arranged in the smooth hollow inner cavity of the constant pressure regulating member 31 at a position corresponding to the pressure input port 32, the fixed plug 33 and the sliding piston 34 divide the smooth hollow inner cavity of the annular cavity structure into an internal pressure regulating cavity and an external pressure input cavity, the pressure input port 32 is arranged on the external pressure input cavity, and the pressure regulating channel is arranged in the internal pressure regulating cavity near the fixed plug 33.
In order to facilitate the storage of the image or video data without a wireless network, as a further improvement of the present invention, the electronic control mechanism of the camera assembly 2 further includes a memory, and the memory is electrically connected to the microprocessor. Under the condition of wireless network recovery, the control microprocessor can export the image or video data stored in the memory through the wireless data transceiver module.
The fully-sealed constant-pressure underwater camera can be applied to the ground environment, such as a common camera in a humid and rainy environment and a camera which can be used for traffic control snapshot under the condition of stable energy input, and can be taken into consideration to replace an expensive advanced lens photosensitive element in the camera due to good sealing and pressure resistance, and the safety and stability of the camera can be guaranteed to the maximum extent by the anaerobic dry environment provided by the housing component 1; when the fully-sealed constant-pressure underwater camera is used in a shallow water environment, the fully-sealed constant-pressure underwater camera can be applied to various shallow water navigation models, pleasure boats and shallow water searching tasks, and as the battery is arranged in the camera assembly 2, an operator can clearly see the underwater environment without launching through a signal amplification device arranged outside the water surface, no dead angle is generated, and the fully-sealed constant-pressure underwater camera can be placed in the pleasure boat for viewing and enjoying entertainment; when the fully-sealed constant-voltage underwater camera is used in a deep water environment, the submersible or the underwater robot is provided with relatively stable energy supply, so that the submersible or the underwater robot can be fixedly arranged on the submersible or the underwater robot for use in a sucking disc mode, a positioning clamping groove mode and the like, wireless charging transmitting coils can be arranged at a plurality of different camera mounting positions on the submersible or the underwater robot, wireless charging of the fully-sealed constant-voltage underwater camera can be achieved through a wireless charging receiving module after the submersible or the underwater robot is operated to electrify the wireless charging transmitting coils, and an operator can greatly reduce the posture adjustment times of the submersible or the underwater robot due to the fact that the camera assembly 2 has a flexible visual angle, the purpose can be achieved only by controlling the visual angle of the camera, and further energy can be saved.
Claims (6)
1. A fully-sealed constant-pressure underwater camera comprises a housing component (1) and a camera component (2); the housing assembly (1) comprises a hemispherical housing (11) and a housing bottom plate (12), the housing bottom plate (12) is hermetically and fixedly installed at the bottom of the hemispherical housing (11), and the spherical center projection of the hemispherical housing (11) is positioned at the geometric center of the housing bottom plate (12); it is characterized in that the preparation method is characterized in that,
the camera component (2) is integrally packaged in the housing component (1), and the camera component (2) comprises a cylindrical camera body (21), a supporting frame (22) and an electric control mechanism; the top end of the supporting frame (22) is fixedly arranged on the inner side surface of the housing bottom plate (12); the cylindrical camera body (21) is erected and installed on the supporting frame (22) through a circumferential rotation control component and a radial rotation control component, a circumferential rotation axis of the cylindrical camera body (21) and a spherical center projection line of the hemispherical housing (11) are arranged in a collinear mode, a radial rotation axis of the cylindrical camera body (21) is arranged in parallel to the housing bottom plate (12), the circumferential rotation control component comprises a circumferential rotation micro-motor, the circumferential rotation micro-motor is in transmission connection with the cylindrical camera body (21) through a circumferential transmission gear, the radial rotation control component comprises a radial rotation micro-motor, the radial rotation micro-motor is in transmission connection with the cylindrical camera body (21) through a radial transmission gear, and a lens photosensitive element is arranged inside the cylindrical camera body (21); the electric control mechanism is fixedly arranged on the supporting frame (22), and comprises a microprocessor, a battery, a wireless data transceiver module and a wireless charging receiving module, wherein the microprocessor is respectively and electrically connected with the battery, the wireless data transceiver module, the wireless charging receiving module, the circumferential rotation micromotor, the radial rotation micromotor and the lens photosensitive element, and the wireless data transceiver module is electrically connected with the battery;
the fully-sealed constant-pressure underwater camera also comprises a constant-pressure adjusting assembly (3), wherein the constant-pressure adjusting assembly (3) comprises a constant-pressure adjusting part (31) and dry inert gas packaged in the housing assembly (1); the constant pressure regulating component (31) with a smooth hollow inner cavity is integrally in a sleeve-shaped structure and fixedly installed on the housing component (1) in a sleeved mode, one end of the smooth hollow inner cavity is provided with a pressure input port (32), the other end of the smooth hollow inner cavity is communicated and connected with the housing component (1) through a pressure regulating channel communicated with the interior of the housing component (1), a sliding piston (34) in sliding fit connection with the surface of the smooth hollow inner cavity is further arranged in the smooth hollow inner cavity, and the sliding piston (34) divides the smooth hollow inner cavity into an internal pressure regulating cavity communicated with the interior of the housing component (1) and an external pressure input cavity communicated with the outside; an outer limiting convex ring which can prevent the sliding piston (34) from jumping out is arranged in the smooth hollow inner cavity and close to the pressure input port (32), and the air pressure of the dry inert gas packaged in the housing component (1) is higher than the standard atmospheric pressure.
2. The fully-sealed constant-pressure underwater camera as claimed in claim 1, wherein the electronic control mechanism of the camera assembly (2) further comprises a memory, the memory being electrically connected to the microprocessor.
3. A fully sealed constant pressure underwater camera according to claim 1 or 2, characterized in that the support frame (22) has a hemispherical support surface dimensioned to fit the inner surface of the hemispherical housing (11).
4. The fully-sealed constant-pressure underwater camera as claimed in claim 1 or 2, wherein an inner limit convex ring capable of preventing the sliding piston from jumping into the pressure regulating channel is arranged in the smooth hollow inner cavity at a position close to the pressure regulating channel.
5. The totally enclosed constant pressure underwater camera according to claim 1 or 2, characterized in that the smooth hollow inner cavity of the constant pressure regulating member (31) is provided as a spiral multi-layered structure disposed around the central axis of the housing assembly (1).
6. The totally enclosed constant pressure underwater camera as claimed in claim 1 or 2, wherein the smooth hollow cavity of the constant pressure adjusting member (31) is configured as a through ring cavity structure, the pressure input port (32) is a hole structure through the outer wall of the constant pressure adjusting member (31), a fixed plug (33) hermetically and fixedly connected with the surface of the smooth hollow cavity is disposed in the smooth hollow cavity of the constant pressure adjusting member (31) corresponding to the pressure input port (32), the fixed plug (33) and the sliding piston (34) divide the smooth hollow cavity of the ring cavity structure into an internal pressure adjusting cavity and an external pressure input cavity, the pressure input port (32) is disposed on the external pressure input cavity, and the pressure adjusting channel is disposed in the internal pressure adjusting cavity near the fixed plug (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406593.6A CN109581788B (en) | 2018-11-23 | 2018-11-23 | Fully-sealed constant-pressure underwater camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406593.6A CN109581788B (en) | 2018-11-23 | 2018-11-23 | Fully-sealed constant-pressure underwater camera |
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| Publication Number | Publication Date |
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| CN109581788A CN109581788A (en) | 2019-04-05 |
| CN109581788B true CN109581788B (en) | 2021-07-16 |
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| CN201811406593.6A Expired - Fee Related CN109581788B (en) | 2018-11-23 | 2018-11-23 | Fully-sealed constant-pressure underwater camera |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113251269A (en) * | 2021-06-22 | 2021-08-13 | 深圳市海多嘉新建材有限公司 | Angle-adjustable hemispherical explosion-proof camera and adjusting method thereof |
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| JP2004325983A (en) * | 2003-04-28 | 2004-11-18 | Fuji Photo Film Co Ltd | Waterproof camera |
| CN202918397U (en) * | 2012-11-26 | 2013-05-01 | 上海海洋大学 | Wireless underwater camera |
| CN203352674U (en) * | 2013-07-23 | 2013-12-18 | 师芳婷 | Camera for deepwater cruise |
| CN204628544U (en) * | 2015-03-24 | 2015-09-09 | 上海上探工程机械有限公司 | With the device of pulsing packing sealing |
| CN207621763U (en) * | 2017-07-03 | 2018-07-17 | 宁波德普光电科技有限公司 | A kind of Anti-pressure LED Tri-proof lights |
| CN108414024A (en) * | 2018-04-29 | 2018-08-17 | 王爱金 | A kind of underwater monitoring device used for aquiculture |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662483A (en) * | 2017-03-31 | 2018-10-16 | 马少峰 | The sealed lamp or electrical structure of a kind of resistance to hyperbar or hydraulic pressure |
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2018
- 2018-11-23 CN CN201811406593.6A patent/CN109581788B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004325983A (en) * | 2003-04-28 | 2004-11-18 | Fuji Photo Film Co Ltd | Waterproof camera |
| CN202918397U (en) * | 2012-11-26 | 2013-05-01 | 上海海洋大学 | Wireless underwater camera |
| CN203352674U (en) * | 2013-07-23 | 2013-12-18 | 师芳婷 | Camera for deepwater cruise |
| CN204628544U (en) * | 2015-03-24 | 2015-09-09 | 上海上探工程机械有限公司 | With the device of pulsing packing sealing |
| CN207621763U (en) * | 2017-07-03 | 2018-07-17 | 宁波德普光电科技有限公司 | A kind of Anti-pressure LED Tri-proof lights |
| CN108414024A (en) * | 2018-04-29 | 2018-08-17 | 王爱金 | A kind of underwater monitoring device used for aquiculture |
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| CN109581788A (en) | 2019-04-05 |
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