CN103018847B - Optical fiber cabin-penetrating sealing connection socket device used for sealing cabin - Google Patents
Optical fiber cabin-penetrating sealing connection socket device used for sealing cabin Download PDFInfo
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- CN103018847B CN103018847B CN201210590272.2A CN201210590272A CN103018847B CN 103018847 B CN103018847 B CN 103018847B CN 201210590272 A CN201210590272 A CN 201210590272A CN 103018847 B CN103018847 B CN 103018847B
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- optical fiber
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- cabin
- lock pin
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Abstract
Disclosed is an optical fiber cabin-penetrating sealing connection socket device used for a sealing cabin. The device comprises sealing flanges, optical fiber sealing seats, optical fibers, inner-side dockingplug cores and outer-side docking plug cores, the sealing flanges and the sealing cabin are sealed by adopting welding sealing or sealing rings, each sealing flange is provided with at least one optical fiber sealing seat mounting hole, the optical fiber seats are fixed in the mounting holes through laser welding sealing, the middle of each optical fiber is fixed in a central micropore of the corresponding optical fiber sealing seat through low-temperature glass welding material sealing, each of the inner-side and outer-side docking plug cores is fixed in the mounting holes at two ends of corresponding optical fiber sealing seat through interference fit, two ends of each optical fiber are bonded and fixed with the inner-side and outer-side docking plug cores respectively through epoxy glue, PC type or APC type docking faces are formed through fine grinding processing, and two ends of each sealing flange are connected with corresponding plugs in a matched manner respectively by adopting connection modes like thread connection or bayonet connection for optical signal transmission. The optical fiber cabin-penetrating sealing connection socket device used for the sealing cabin is compact in structure, effective in sealing, simple in method and low in cost, and optical signal transmission between inside and outside of the sealing cabin is effectively realized.
Description
Technical field
The present invention relates to a kind of optical fiber crossing cabin for sealing cabin to be tightly connected socket device, particularly a kind of optical fiber crossing cabin connection jack device with better sealing property.
Background technology
The features such as optical fiber has transmission frequency bandwidth, loss is low, anti-electromagnetic interference capability is strong, highly sensitive, Heat stability is good, are widely used in communication and sensory field.In optical fiber communication and fiber optic sensing applications, when run into light signal pass through sealing bulkhead carry out in cabin with communicate out of my cabin (such as: aerospace flight vehicle pressurized capsule, underwater operation equipment and the optical fiber communication of inside and outside, cabin and the sensor monitoring such as hull pressurized capsule, sealing gas container) time, need Optical Fiber Sealing Technology and corresponding optical fiber crossing cabin sealing and connecting device.
Existing fiber Sealing Technology comprises optical fiber metallization soldering sealing and adopts the labyrinths such as optics collimator to complete sealing.Optical fiber metallization soldering sealing is sealed by soldering after needing that optical fiber surface is plated metal level again, and technology difficulty is large, and cost is high; And optics collimator sealing means to cause optical fiber discontinuous, added losses are large, complex structure.
Summary of the invention
Object of the present invention: solve seal structure complex in prior art, added losses are high, technology difficulty is large, high in cost of production problem, the optical fiber crossing cabin being provided for sealing cabin is tightly connected socket device, do not need to carry out the complicated technology process such as metallization to optical fiber, compact conformation, good sealing effect, simply, cost is low, effectively realizes the optical signal transmission that pressurized capsule is inside and outside.
Technical solution of the present invention is: a kind of optical fiber crossing cabin for sealing cabin is tightly connected socket device, comprise seal flange, optical fiber seal seat, optical fiber, inner side docking lock pin, outside docking lock pin, described seal flange arranges at least one optical fiber seal seat mounting hole, described optical fiber seal seat is weldingly fixed in seal flange the corresponding mounting hole, after described optical fiber utilizes solder heat fused, welded seal is in the micropore of optical fiber seal seat center, described optical fiber two ends adopt epoxy glue to be bonded and fixed in inner side docking lock pin and outside docking lock pin center pit respectively, and two ends are processed into PC or APC type interface.
The advantage that the present invention has:
(1) optical fiber seal seat of the present invention and seal flange and the main body sealing structure between optical fiber and optical fiber seal seat are welded seal, do not need to carry out optical fiber metallization, and good seal performance, technique are simple, and cost is low.
(2) the present invention maintains the integrality of optical fiber in crossing cabin process, and structure is simple, added losses are low.
(3) after optical fiber two ends are fixed respectively by inner side docking lock pin and outside docking lock pin, and be processed into PC or APC type interface, be easy to termination, compact conformation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of seal flange in the present invention;
Fig. 3 is the structural representation of optical fiber seal seat in the present invention;
Wherein Reference numeral is 1-seal flange, docks inside 2-optical fiber seal seat, 3-to dock inside lock pin, 5-optical fiber, 6-low temperature glass solder, 7-epoxy glue, 8-optical fiber seal seat mounting hole, 9-optical fiber seal seat center micropore, 10-outside lock pin, 4-and dock lock pin mounting hole outside lock pin center pit, 12-outside lock pin mounting hole, 11-.
Embodiment
As shown in Figure 1-Figure 3, the embodiment of the present invention comprises seal flange 1, optical fiber seal seat 2, inner side docking lock pin 3, outside docking lock pin 4, optical fiber 5.Described outside docking lock pin 4 is loaded by press-fit in the outside lock pin mounting hole 12 of optical fiber seal seat 2; Optical fiber 5 is penetrated outside docking lock pin center pit 11; In optical fiber seal seat center micropore 9, put into low temperature glass solder, optical fiber seal is fixed in optical fiber seal seat 2 after heat fused; Inner side being docked lock pin 3 loads in the inner side lock pin mounting hole 10 of optical fiber seal seat 2; With epoxy glue 7, optical fiber 5 two ends are bonded and fixed in inner side docking lock pin 3 and outside docking lock pin 4 respectively; End face inner side being docked lock pin 3 and outside docking lock pin 4 is processed into PC or APC type interface; Seal flange 1 arranges at least one optical fiber seal seat mounting hole 8; Optical fiber seal seat 2 is fixed in mounting hole 8 by laser welded seal; Welded seal or O-ring seal is adopted to seal between seal flange 1 and sealing cabin; Seal flange 1 adopts screw thread or bayonet socket connected mode, can connect realize light signal crossing cabin and seal and transmit with corresponding plug.
In the present invention, micropore 9 diameter of optical fiber seal seat 2 is not more than 1mm; Formed after filling low temperature glass solder heat fused between optical fiber seal seat 2 and optical fiber 5 and seal, wherein solder is glass solder; Epoxy glue 7 is 353ND.
Main body sealing structure of the present invention adopts low temperature glass welding and laser bonding mode, good seal performance, compact conformation, and technique is simple, and cost is low, have effectively achieved the optical signal transmission that pressurized capsule is inside and outside.
Claims (1)
1. to be tightly connected a socket device for the optical fiber crossing cabin of sealing cabin, to it is characterized in that comprising: seal flange (1), optical fiber seal seat (2), inner side docking lock pin (3), outside docking lock pin (4) and optical fiber (5); Seal flange (1) arranges at least one optical fiber seal seat mounting hole (8); Adopt laser bonding to be formed between described optical fiber seal seat (2) and seal flange (1) to seal; Optical fiber seal seat (2) is fixed in mounting hole (8) by laser welded seal; Optical fiber (5) middle part is fixed in optical fiber seal seat center micropore (9) by low temperature glass solder (6) welded seal; In inner side docking lock pin (3) and docking lock pin (4) inner side lock pin mounting hole (10) that adopts interference fit to be fixed on optical fiber seal seat (2) two ends respectively, outside and outside lock pin mounting hole (12); Optical fiber (5) two ends dock lock pin (3) inside being fixed on bonding respectively by epoxy glue (7) and outside is docked in the center pit (11) of lock pin (4), and processed by fine gtinding, form PC or APC type interface; Welded seal or O-ring seal is adopted to seal between seal flange (1) and sealing cabin; Seal flange (1) adopts screw thread or bayonet socket connected mode, connects carry out optical signal transmission with corresponding plug;
Described optical fiber seal seat (2) center micropore (9) diameter is not more than 1mm;
Formed after filling low temperature glass solder heat fused between described optical fiber seal seat (2) and optical fiber (5) and seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210590272.2A CN103018847B (en) | 2012-12-26 | 2012-12-26 | Optical fiber cabin-penetrating sealing connection socket device used for sealing cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210590272.2A CN103018847B (en) | 2012-12-26 | 2012-12-26 | Optical fiber cabin-penetrating sealing connection socket device used for sealing cabin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103018847A CN103018847A (en) | 2013-04-03 |
| CN103018847B true CN103018847B (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210590272.2A Active CN103018847B (en) | 2012-12-26 | 2012-12-26 | Optical fiber cabin-penetrating sealing connection socket device used for sealing cabin |
Country Status (1)
| Country | Link |
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| CN (1) | CN103018847B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216059B (en) * | 2013-06-27 | 2016-09-21 | 中航光电科技股份有限公司 | Hermetic seal optical connector and manufacture method thereof |
| CN103955032B (en) * | 2014-05-12 | 2016-01-13 | 中国航天时代电子公司 | A kind of adaptive optic fiber syndeton |
| CN104155725B (en) * | 2014-08-22 | 2016-06-08 | 北京卫星环境工程研究所 | Wall hermetically-sealed connector worn by high-air-tightness multicore multipath optical fiber |
| CN104155726B (en) * | 2014-08-22 | 2016-01-20 | 北京卫星环境工程研究所 | High-air-tightness multi-core fiber crossing cabin hermetically sealed connector |
| CN105044858B (en) * | 2015-08-28 | 2018-02-13 | 深圳市普瑞昇科技有限公司 | Joints of optical fibre lock pin and its manufacture method |
| CN107765377B (en) * | 2016-08-22 | 2023-04-28 | 中国科学院沈阳自动化研究所 | Fiber wall penetrating device capable of bearing 100MPa pressure and manufacturing method thereof |
| CN109254364A (en) * | 2018-11-14 | 2019-01-22 | 四川光恒通信技术有限公司 | A kind of unidirectional optical device of novel fully-sealed single fiber and its packaging method |
| US10754101B1 (en) * | 2019-11-01 | 2020-08-25 | The Boeing Company | Fabrication of universal hermetic optical fiber connector |
| CN111999821B (en) * | 2020-09-10 | 2024-04-05 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Straight optical fiber type cabin penetrating optical fiber airtight adapter and connecting method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4560232A (en) * | 1982-03-24 | 1985-12-24 | Phillips Petroleum Company | Vessel with high pressure feedthru |
| US5588086A (en) * | 1993-04-01 | 1996-12-24 | Litecom, Inc. | Fiber optic hermetic bulkhead penetrator feedthrough module and method of fabricating same |
| US20080008425A1 (en) * | 2006-07-10 | 2008-01-10 | Honeywell International Inc. | Environmentally sealed connector with MT fiber optic locking interface |
| CN101634732B (en) * | 2008-07-21 | 2011-11-16 | 中航光电科技股份有限公司 | Seal socket for wall penetration optical fibers |
| CN202133801U (en) * | 2011-06-23 | 2012-02-01 | 中国科学院西安光学精密机械研究所 | Optical fiber sealing connector for sealing shell |
-
2012
- 2012-12-26 CN CN201210590272.2A patent/CN103018847B/en active Active
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| CN103018847A (en) | 2013-04-03 |
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