CN110488558B - Pressure-resistant sealing structure of imaging system - Google Patents
Pressure-resistant sealing structure of imaging system Download PDFInfo
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- CN110488558B CN110488558B CN201910686147.3A CN201910686147A CN110488558B CN 110488558 B CN110488558 B CN 110488558B CN 201910686147 A CN201910686147 A CN 201910686147A CN 110488558 B CN110488558 B CN 110488558B
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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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Abstract
The invention provides a pressure-resistant sealing structure of an imaging system, which comprises: the pressure-resistant sealing structure of the imaging system adopts transparent ceramics as an optical window of the hemispherical light-transmitting cover, has better pressure resistance, adopts a spherical structure as a main body structure, and is designed to be sealed according to the structural characteristics of the hemisphere, so that the sealing performance is better; and because the main structure adopts a spherical structure, the stress distribution is uniform, the stress concentration is not easy to occur, and the pressure resistance is realized and the weight is light.
Description
Technical Field
The invention relates to the technical field of deep sea imaging, in particular to a pressure-resistant sealing structure of an imaging system.
Background
With the depletion of land resources, humans are increasingly marching to the deep ocean. In the last 10 years, the research and research activities of marine science in the aspects of marine organisms, marine mineral resources, marine ecological environment, marine environmental pollution investigation and treatment, marine geophysical, marine climate and atmosphere, marine chemistry, marine geology and the like are more and more frequent in the global, and deep sea equipment is more and more active in marine research and has more and more important functions. The collection, analysis, cultivation and research of deep sea biogenic genes under the conditions of heat preservation and pressure maintaining in the deep ocean will have important influence on human science and life.
The deep sea imaging system is the most direct observation means for the deep sea environment. In order to ensure that the imaging system normally works in a deep sea high-pressure environment, a pressure-resistant sealing structure is required to be designed for placing the imaging system. The material and design of the pressure-resistant sealing structure are different according to the use depth. The main structure comprises an optical window and a pressure-resistant cylinder, wherein the optical window is made of materials with good pressure resistance and light transmittance, such as sapphire, and the pressure-resistant cylinder is made of materials with high strength and corrosion resistance, such as titanium alloy. Foreign countries, deep sea imaging devices have been developed by deep power & Light, woodhall research institute, BOWTECH and Tritech, uk, etc. in the united states; the research institutions such as western-Ann optical engine institute of Chinese academy, China oceanic university and Qinghua university are mainly available at late home.
According to the pressure-resistant structure of the existing mainstream deep sea imaging system, an optical window mainly adopts a flat sapphire structure, and a pressure-resistant cylinder structure is generally a titanium alloy cylindrical structure. However, because the pressure resistance of the flat plate structure and the cylindrical structure with the same caliber and thickness is far less than that of the spherical structure, the required material thickness of the structure is larger, the weight is larger, and the structure is not light enough.
Disclosure of Invention
In view of the foregoing, there is a need to provide a pressure-resistant sealing structure for an imaging system that is both pressure-resistant and lightweight.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pressure-resistant sealing structure of an image forming system, comprising: hemisphere printing opacity cover, lens hood, sealing washer clamping ring, printing opacity cover base, withstand voltage barrel, rear end cap and electrical interface, wherein:
the lens hood with sealing washer clamping ring fixed connection, the sealing washer clamping ring with printing opacity cover base fixed connection, hemisphere printing opacity cover accept in the lens hood the sealing washer clamping ring reaches in the space that the printing opacity cover base formed, the terminal surface of hemisphere printing opacity cover with a side sealing connection of printing opacity cover base, the opposite side of printing opacity cover base with the one end sealing connection of withstand voltage barrel, the other end of withstand voltage barrel with the end connection of rear end cap, imaging system set up in hemisphere printing opacity cover the printing opacity cover base withstand voltage barrel reaches in the cavity that the rear end cap formed, be provided with on the rear end cap electrical interface, electrical interface is used for linking to each other with external cable.
In some preferred embodiments, the light shield and the sealing ring pressing ring are fixedly connected through threads.
In some preferred embodiments, the sealing ring pressing ring is fixedly connected with the light-transmitting cover base through threads.
In some preferred embodiments, a gasket is arranged between the end face of the hemispherical light-transmitting cover and one side edge of the light-transmitting cover base, and the gasket is a carbon fiber gasket.
In some preferred embodiments, a rectangular sealing ring is further arranged at a position where an end face of the hemispherical light-transmitting cover contacts with one side edge of the light-transmitting cover base, and the rectangular sealing ring is arranged below the sealing ring pressing ring, so that the rectangular sealing ring and the hemispherical light-transmitting cover can be pressed tightly by screwing in the sealing ring pressing ring.
In some preferred embodiments, the other side edge of the light-transmitting cover base is connected with one end of the pressure-resistant cylinder body through a flange, and a first O-ring is embedded in a contact surface of the other side edge of the light-transmitting cover base and one end of the pressure-resistant cylinder body.
In some preferred embodiments, the other end of the pressure-resistant cylinder is connected with the end face of the rear end cover through a flange, and a first O-ring is embedded in the contact surface of the other end of the pressure-resistant cylinder and the end face of the rear end cover.
In some preferred embodiments, the length of the light-transmitting cover base is the same as the diameter of the hemispherical light-transmitting cover.
In some preferred embodiments, the contact part of the pressure-resistant cylinder and the light-transmitting cover base is hemispherical, and forms an approximate sphere together with the hemispherical light-transmitting cover.
The invention adopts the technical scheme that the method has the advantages that:
the invention provides a pressure-resistant sealing structure of an imaging system, which comprises: the imaging system comprises a hemispherical light-transmitting cover, a light shield, a sealing ring pressing ring, a light shield base, a pressure-resistant cylinder body, a rear end cover and an electrical interface, wherein the light shield is fixedly connected with the sealing ring pressing ring, the sealing ring pressing ring is fixedly connected with the light shield base, the hemispherical light-transmitting cover is accommodated in a space formed by the light shield, the sealing ring pressing ring and the light shield base, the end surface of the hemispherical light-transmitting cover is hermetically connected with one side edge of the light shield base, the other side edge of the light shield base is hermetically connected with one end of the pressure-resistant cylinder body, the other end of the pressure-resistant cylinder body is connected with the end surface of the rear end cover, the imaging system is arranged in a cavity formed by the hemispherical light-transmitting cover, the light shield base, the pressure-resistant cylinder body and the rear end cover, the electrical interface is arranged on the rear end, according to the pressure-resistant sealing structure of the imaging system, the transparent ceramic is used as the optical window of the hemispherical light-transmitting cover, the pressure resistance is better, the main structure adopts the spherical knot to perform sealing design according to the structural characteristics of the hemisphere, and the sealing performance is better; and because the main structure adopts a spherical structure, the stress distribution is uniform, the stress concentration is not easy to occur, and the pressure resistance is realized and the weight is light.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a pressure-resistant sealing structure of an image forming system provided by an embodiment of the present invention;
fig. 2 is a perspective view of a pressure-resistant sealing structure of an imaging system provided in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a schematic structural diagram of a pressure-resistant sealing structure of an imaging system according to embodiment 1 of the present invention includes: hemisphere printing opacity cover 110, light shield 120, sealing washer clamping ring 130, printing opacity cover base 140, withstand voltage barrel 150, rear end cap 160 and electrical interface 170, hemisphere printing opacity cover 110 is transparent ceramic, wherein:
the light shield 120 is fixedly connected with the sealing ring pressing ring 130, the sealing ring pressing ring 130 is fixedly connected with the light-transmitting cover base 140, the hemispherical light-transmitting cover 110 is accommodated in a space formed by the light shield 120, the sealing ring pressing ring 130 and the light-transmitting cover base 140, the end surface of the hemispherical light-transmitting cover 110 is hermetically connected with one side of the light shield 120 base, the other side of the light-transmitting cover base 140 is hermetically connected with one end of the pressure-resistant cylinder 150, the other end of the pressure-resistant cylinder 150 is connected with the end surface of the rear end cover 160, the imaging system 100 is arranged in a cavity formed by the hemispherical light-transmitting cover 110, the light-transmitting cover base 140, the pressure-resistant cylinder 150 and the rear end cover 160, the rear end cover 160 is provided with the electrical interface 170, and the electrical interface 170 is used for being connected with an external cable.
In some preferred embodiments, the length of the cover base 140 is the same as the diameter of the hemispherical light cover 110.
It can be appreciated that since the hemispherical light-transmitting cover 110 has a hemispherical structure and has a relatively same aperture as the light-transmitting cover base 140, the stress distribution is more uniform under the same pressure, and the stress concentration is less likely to occur.
In some preferred embodiments, the contact portion of the pressure-resistant cylinder 150 and the light-transmissive cover base 140 is a hemisphere, and forms an approximate sphere together with the hemisphere light-transmissive cover 110.
It can be understood that, since the contact portion of the pressure-resistant cylinder 150 and the translucent cover base 140 is hemispherical, and forms an approximate sphere together with the hemispherical translucent cover 110, the supporting rigidity of the hemispherical translucent cover 110 is improved, the stress state of the hemispherical translucent cover 110 is improved, and the probability of failure of the hemispherical translucent cover 110 is reduced.
In some preferred embodiments, the rear end cap 160 is hemispherical, increasing the internal volume while having a more uniform stress distribution.
Further, the light shield 120 is fixedly connected to the packing ring 130 by a screw thread. It will be appreciated that the present invention is not limited to screw-on connections, and other connections may be used.
Further, the sealing ring pressing ring 130 is fixedly connected with the light-transmitting cover base 140 through a thread. It will be appreciated that the present invention is not limited to screw-on connections, and other connections may be used.
In some preferred embodiments, a gasket 190 is disposed between the end face of the hemispherical light-transmitting cover 110 and a side of the light-transmitting cover base 140, and the gasket 190 is a carbon fiber gasket, so as to further improve the sealing performance.
In some preferred embodiments, a rectangular sealing ring 180 is further disposed at a position where an end surface of the hemispherical light-transmitting cover 110 contacts with one side of the light-transmitting cover base 140, and the rectangular sealing ring 180 is disposed below the sealing ring pressing ring 130, so that the rectangular sealing ring 180 and the hemispherical light-transmitting cover 110 can be pressed by screwing in the sealing ring pressing ring 130, thereby performing fixing and sealing functions.
In some preferred embodiments, the other side of the light-transmitting cover base 140 is flanged to one end of the pressure-resistant cylinder 150, and a first O-ring 210 is embedded in a contact surface of the other side of the light-transmitting cover base 140 and one end of the pressure-resistant cylinder 150, so as to further improve the sealing performance.
In some preferred embodiments, the other end of the pressure-resistant cylinder 150 is flanged to the end surface of the rear end cap 160, and a second O-ring 220 is embedded in the contact surface of the other end of the pressure-resistant cylinder 150 and the end surface of the rear end cap 160, so as to further improve the sealing performance.
According to the pressure-resistant sealing structure of the imaging system, the transparent ceramic is used as the optical window of the hemispherical light-transmitting cover, the pressure resistance is better, the main structure adopts the spherical knot to perform sealing design according to the structural characteristics of the hemisphere, and the sealing performance is better; and because the main structure adopts a spherical structure, the stress distribution is uniform, the stress concentration is not easy to occur, the pressure resistance is high, the weight is light, and the pressure-resistant sealing structure can be applied to the pressure-resistant sealing of a ten-kilometer deep sea imaging system.
Of course, the pressure-resistant sealing structure of the image forming system of the present invention may have various changes and modifications, and is not limited to the specific structure of the above-described embodiment. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (7)
1. A pressure-resistant sealing structure of an image forming system, comprising: hemisphere printing opacity cover, lens hood, sealing washer clamping ring, printing opacity cover base, withstand voltage barrel, rear end cap and electrical interface, hemisphere printing opacity cover is transparent ceramic, wherein:
the light shield is fixedly connected with the sealing ring pressing ring, the sealing ring pressing ring is fixedly connected with the light-transmitting cover base, the hemispherical light-transmitting cover is accommodated in a space formed by the light shield, the sealing ring pressing ring and the light-transmitting cover base, the end surface of the hemispherical light-transmitting cover is hermetically connected with one side edge of the light-transmitting cover base, the other side edge of the light-transmitting cover base is hermetically connected with one end of the pressure-resistant cylinder, the other end of the pressure-resistant cylinder is connected with the end surface of the rear end cover, the imaging system is arranged in a cavity formed by the hemispherical light-transmitting cover, the light-transmitting cover base, the pressure-resistant cylinder and the rear end cover, the rear end cover is provided with the electrical interface, and the electrical interface is used for being connected with;
the length of the light-transmitting cover base is the same as the diameter of the hemispherical light-transmitting cover; the part of the pressure-resistant cylinder body, which is contacted with the light-transmitting cover base, is hemispherical, and forms an approximate sphere together with the hemispherical light-transmitting cover; the rear end cover is hemispherical.
2. A pressure-resistant sealing structure of an imaging system as set forth in claim 1, wherein said light shield is fixedly connected to said packing ring by a screw.
3. A pressure resistant sealing structure of an imaging system as claimed in claim 1, wherein said seal ring pressing ring is fixedly connected to said light transmissive cover base by a screw thread.
4. A pressure-resistant sealing structure of an imaging system as claimed in claim 1, wherein a gasket is provided between the end face of said hemispherical light-transmitting cover and a side of said light-transmitting cover base, said gasket being a carbon fiber gasket.
5. A pressure-resistant sealing structure of an imaging system as claimed in claim 4, wherein a rectangular sealing ring is further provided at a position where an end surface of said hemispherical light-transmitting cover contacts with one side edge of said light-transmitting cover base, and said rectangular sealing ring is disposed below said sealing ring pressing ring, and said rectangular sealing ring and said hemispherical light-transmitting cover can be pressed by screwing said sealing ring pressing ring.
6. A pressure-resistant sealing structure of an imaging system as set forth in claim 1, wherein the other side of the light-transmissive cover base is flange-connected to one end of the pressure-resistant cylinder, and a first O-ring is embedded in a contact surface of the other side of the light-transmissive cover base with one end of the pressure-resistant cylinder.
7. A pressure-resistant sealing structure of an imaging system according to claim 1, wherein the other end of the pressure-resistant cylinder is flange-connected to the end face of the rear end cap, and a second O-ring is embedded in a contact surface of the other end of the pressure-resistant cylinder to the end face of the rear end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910686147.3A CN110488558B (en) | 2019-07-26 | 2019-07-26 | Pressure-resistant sealing structure of imaging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910686147.3A CN110488558B (en) | 2019-07-26 | 2019-07-26 | Pressure-resistant sealing structure of imaging system |
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| CN110488558A CN110488558A (en) | 2019-11-22 |
| CN110488558B true CN110488558B (en) | 2021-01-15 |
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| CN201910686147.3A Active CN110488558B (en) | 2019-07-26 | 2019-07-26 | Pressure-resistant sealing structure of imaging system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399316B (en) * | 2020-04-01 | 2021-09-14 | 浙江大学 | Underwater wide-angle camera equipment |
| CN113511341B (en) * | 2021-07-01 | 2023-04-28 | 中国电子科技集团公司第十一研究所 | Novel photoelectric pod light window mounting structure and mounting method thereof |
| CN114228955A (en) * | 2021-12-02 | 2022-03-25 | 中国科学院西安光学精密机械研究所 | Myriameter-level pressure-resistant sealed cabin of hemispherical optical window |
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| CN201947364U (en) * | 2011-03-23 | 2011-08-24 | 深圳英飞拓科技股份有限公司 | Fixed semi-sphere camera spherical cover |
| CN204731514U (en) * | 2015-06-11 | 2015-10-28 | 中山市弘景光电科技有限公司 | A kind of pick-up lens with waterproof construction |
| CN109597265A (en) * | 2018-12-11 | 2019-04-09 | 河北汉光重工有限责任公司 | Hemispherical ball cover fixes to clamp mechanism in a kind of diving imaging system |
| CN110035207A (en) * | 2019-03-29 | 2019-07-19 | 中国科学院长春光学精密机械与物理研究所 | A kind of cylindrical sealing structure of imaging system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204633896U (en) * | 2015-05-20 | 2015-09-09 | 德阳索海普机电设备有限公司 | Deep water computer camera protective cover |
| CN206100226U (en) * | 2016-10-12 | 2017-04-12 | 青岛罗博飞海洋技术有限公司 | Underwater camera |
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- 2019-07-26 CN CN201910686147.3A patent/CN110488558B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201947364U (en) * | 2011-03-23 | 2011-08-24 | 深圳英飞拓科技股份有限公司 | Fixed semi-sphere camera spherical cover |
| CN204731514U (en) * | 2015-06-11 | 2015-10-28 | 中山市弘景光电科技有限公司 | A kind of pick-up lens with waterproof construction |
| CN109597265A (en) * | 2018-12-11 | 2019-04-09 | 河北汉光重工有限责任公司 | Hemispherical ball cover fixes to clamp mechanism in a kind of diving imaging system |
| CN110035207A (en) * | 2019-03-29 | 2019-07-19 | 中国科学院长春光学精密机械与物理研究所 | A kind of cylindrical sealing structure of imaging system |
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