CN111999821B - Straight optical fiber type cabin penetrating optical fiber airtight adapter and connecting method - Google Patents
Straight optical fiber type cabin penetrating optical fiber airtight adapter and connecting method Download PDFInfo
- Publication number
- CN111999821B CN111999821B CN202010948899.5A CN202010948899A CN111999821B CN 111999821 B CN111999821 B CN 111999821B CN 202010948899 A CN202010948899 A CN 202010948899A CN 111999821 B CN111999821 B CN 111999821B
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- China
- Prior art keywords
- optical fiber
- plug
- optical
- cabin
- socket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 121
- 230000000149 penetrating effect Effects 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000000835 fiber Substances 0.000 claims description 24
- 238000005219 brazing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
- G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
- G02B6/3894—Screw-lock type
-
- 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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
A straight optical fiber type cabin penetrating optical fiber airtight adapter and a connecting method thereof comprise the following steps: a plug; the socket is fixedly connected with the plug; the first optical ferrule is arranged in the plug; the second optical ferrule is matched with the first optical ferrule in position and is arranged in the socket; the first elastic piece is arranged on the first optical ferrule; the second elastic piece is arranged on the second optical ferrule and matched with the first elastic piece. When the embodiment is implemented, the optical fibers are connected in the plug and the socket and are connected together in the sealing area, and the optical fibers in the cabin penetrating optical fiber airtight adapter are straight, so that the reliability of low loss and long service life can be realized; the integrity of the structure of the cabin penetrating optical fiber airtight adapter can adapt to mechanical environment performances such as strong vibration impact resistance and the like; the two ends of the cabin penetrating optical fiber airtight adapter seat are matched with the same optical fiber plug connectors.
Description
Technical Field
The invention relates to the field of optical fiber connection, in particular to a straight optical fiber type cabin penetrating optical fiber airtight adapter and a connecting method.
Background
At present, a common optical fiber airtight adapter seat is provided with an optical fiber buffer cavity and a bending limiting device for realizing the bending of surplus optical fibers, and the long-term bending of the optical fibers is low in reliability under strong vibration and impact conditions; in addition, the existing cabin penetrating optical fiber airtight adapter realizes assembly connection of the socket body 1 and the sealing flange 10 through the connecting sleeve 9, so that optical fibers in the sealing cavity are smaller in bending, but the strong vibration impact resistance of the product is greatly reduced due to sectional assembly, and the aerospace application adaptability is poor.
Disclosure of Invention
The invention aims to solve the technical problem that an airtight optical fiber adapter in the prior art is low in reliability, and provides an airtight optical fiber adapter for a straight optical fiber type cabin and a connecting method.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
a straight fiber optic cabin-penetrating fiber optic airtight adapter comprising:
a plug;
the socket is fixedly connected with the plug;
the first optical ferrule is arranged in the plug;
the second optical ferrule is matched with the first optical ferrule in position and is arranged in the socket;
the first elastic piece is arranged on the first optical ferrule;
the second elastic piece is arranged on the second optical ferrule and matched with the first elastic piece.
The straight optical fiber type cabin penetrating optical fiber airtight adapter seat disclosed by the invention has the advantages that one end of the plug far away from the socket is identical to one end of the socket far away from the plug in shape.
The invention relates to a straight optical fiber type cabin penetrating optical fiber airtight adapter, wherein the first elastic piece and the second elastic piece are springs.
The invention discloses a straight optical fiber type cabin penetrating optical fiber airtight adapter, wherein the number of first optical inserts and the number of second optical inserts are respectively multiple, and the numbers are the same.
The invention relates to a straight optical fiber type cabin penetrating optical fiber airtight adapter, which comprises:
the first screw rod is arranged in the plug;
the first screw hole is arranged in the socket and matched with the first screw rod.
A method for connecting a straight optical fiber type cabin penetrating optical fiber airtight adapter comprises the following steps:
the outer shell of the cabin penetrating optical fiber airtight adapter is designed, and two ends of the outer shell are provided with the same structure and can be connected with optical fiber plug connectors of the same type;
the outside optical fiber is fixed with the socket in advance to realize the straightness of the outside optical fiber, and then the fixed length stripping of the inside optical fiber and the manufacture of the optical ferrule are used for ensuring the straightness of the inside optical fiber;
the multi-core optical fiber ferrules at the outer end and the inner end of the cabin ensure the connection optical performance between the two ends of the cabin penetrating optical fiber airtight adapter and the optical fiber plug connector through the compression and floating of the springs;
the connection of the screws at the two ends and the screw rod can realize the fixation between the plug and the socket and the integrity of the whole structure.
A method for connecting a straight optical fiber type cabin penetrating optical fiber airtight adapter comprises the following steps:
through the assembly of the outer end of the cabin, one end of the optical fiber penetrating through the cabin is ensured to be straight;
the airtight sealing of the optical fiber and the socket is realized through brazing sealing, and the sealing area is designed at the other end of the sealing ring mounting flange surface, so that the airtight sealing area is ensured to be positioned in the cabin, and the reliability of the airtight sealing is further improved;
the fixed length of the optical fiber in the cabin is stripped, the optical ferrule is manufactured, and the optical fiber at the inner end of the cabin is ensured to be straight through the fixation of the ferrule and the assembly of the ferrule and a plug.
Compared with the prior art, the invention has the beneficial effects that:
when the embodiment is implemented, the optical fibers are connected in the plug and the socket and are connected together in the sealing area, and the optical fibers in the cabin penetrating optical fiber airtight adapter are straight, so that the reliability of low loss and long service life can be realized; the integrity of the structure of the cabin penetrating optical fiber airtight adapter can adapt to mechanical environment performances such as strong vibration impact resistance and the like; the two ends of the cabin penetrating optical fiber airtight adapter seat are matched with the same optical fiber plug connectors.
Drawings
FIG. 1 is a cross-sectional view of a straight fiber type cabin penetrating fiber airtight adapter provided by the invention;
FIG. 2 is a front view of a straight fiber type cabin penetrating fiber airtight adapter according to the present invention;
FIG. 3 is a view of a straight fiber type cabin penetrating fiber airtight adapter and plug adapter according to the present invention;
FIG. 4 is a view of another straight fiber type through-cabin fiber airtight adapter and plug adapter according to the present invention;
FIG. 5 is a view of another straight fiber type through-cabin fiber airtight adapter and plug adapter according to the present invention;
FIG. 6 is a schematic diagram of an embodiment of a method for connecting a straight fiber type cabin penetrating fiber airtight adapter according to the present invention;
FIG. 7 is a schematic diagram of another embodiment of a method for connecting a straight fiber type through-cabin fiber airtight adapter according to the present invention;
Detailed Description
1-7, it should be understood by those skilled in the art that, in the present disclosure, the terms "upper," "lower," "one end," "another end," and the like are used for convenience in describing the present invention and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms should not be construed as limiting the present invention.
It should be noted that at present, the common airtight optical fiber adapter is provided with an optical fiber buffer cavity and a bending limiting device for realizing the bending of the surplus optical fiber, and the long-term bending of the optical fiber is low in reliability under the conditions of strong vibration and impact; in addition, the existing cabin penetrating optical fiber airtight adapter realizes assembly connection of the socket body 1 and the sealing flange 10 through the connecting sleeve 9, so that optical fibers in the sealing cavity are smaller in bending, but the strong vibration impact resistance of the product is greatly reduced due to sectional assembly, and the aerospace application adaptability is poor. ,
based on this, this embodiment provides a straight fiber type cabin penetrating fiber airtight adapter, including:
a plug 100;
the socket 200 is fixedly connected with the plug 100;
a first optical ferrule 300 disposed within the plug 100;
the second optical ferrule 400 is matched with the first optical ferrule 300 in position and is arranged in the socket 200;
a first elastic member 500 disposed on the first optical ferrule 300;
the second elastic member 600 is disposed on the second optical ferrule 400 and cooperates with the first elastic member 500.
When the embodiment is implemented, the optical fibers 1100 are connected in the plug and socket and are connected together in the sealing area 1200, and the optical fibers in the cabin penetrating optical fiber airtight adapter are straight, so that the reliability of low loss and long service life can be realized; the integrity of the structure of the cabin penetrating optical fiber airtight adapter can adapt to mechanical environment performances such as strong vibration impact resistance and the like; the two ends of the cabin penetrating optical fiber airtight adapter seat are matched with the same optical fiber plug connectors.
In some embodiments, the end of the plug 100 distal from the receptacle 200 is the same shape as the end of the receptacle 200 distal from the plug 100.
The two ends of the plug far away from the socket have the same structure, and can be connected with optical fiber plug connectors of the same model
In some embodiments, the first elastic member 500 and the second elastic member 600 are springs.
The connection optical performance of the two ends of the cabin penetrating optical fiber airtight adapter seat and the optical fiber plug connector is guaranteed through compression and floating of the springs, the plug area is a high-voltage area, and the socket area is a low-voltage area.
In some embodiments, the number of the first optical ferrules is plural and the number of the second optical ferrules is the same.
The plurality of first optical ferrules and the second optical ferrules facilitate connection of the plurality of optical fibers.
In some embodiments, comprising:
a first screw 700 disposed within the plug 100;
the first screw hole 800 is provided in the socket 200 and is engaged with the first screw 700.
The first screw 700 and the first screw hole 800 are connected with the plug and the socket, and further fixedly connected with each other by the screw 900.
The embodiment of the invention provides a method for connecting a straight optical fiber type cabin penetrating optical fiber airtight adapter, which comprises the following steps:
s601, designing an outer shell of the cabin penetrating optical fiber airtight adapter, wherein two ends of the outer shell are of the same structure and can be connected with optical fiber plug connectors of the same type;
s602, fixing the outside optical fiber with a socket in advance to realize that the outside optical fiber is straight, and then stripping the fixed length of the inside optical fiber and manufacturing an optical ferrule to ensure that the inside optical fiber is straight;
s603, the multi-core optical fiber ferrules at the outer end and the inner end of the cabin ensure the connection optical performance of the two ends of the cabin penetrating optical fiber airtight adapter and the optical fiber plug connector through the compression and floating of the springs;
the connection of the screws at the two ends of the S604 and the screw rod can realize the fixation between the plug and the socket and the integrity of the whole structure.
As shown in fig. 1 and 6, the design scheme is that the optical fiber at the outer end of the cabin and the optical ferrule are pre-assembled and fixed with the socket, so that the optical fiber at the outer end of the cabin is straight, the airtight seal between the optical fiber and the socket is realized through brazing, the optical fiber at the inner end of the cabin is stripped by fixed length and the optical ferrule is manufactured to ensure the consistency of the lengths of the multi-core optical fibers, and the optical fiber ferrule in the cabin and the plug are assembled and fixed to realize that the optical fiber in the cabin is straight, so that the cabin-penetrating optical fiber connector structure is formed.
The embodiment of the invention also provides a method for connecting the straight optical fiber type cabin penetrating optical fiber airtight adapter, which comprises the following steps:
s701, assembling through the outer end of the cabin, and ensuring that one end of the optical fiber penetrating into the cabin is straight;
s702, the airtight sealing of the optical fiber and the socket is realized through brazing sealing, and a sealing area is designed at the other end of the sealing ring mounting flange surface, so that the airtight sealing area is ensured to be positioned in the cabin, and the reliability of the airtight sealing is further improved;
s703, the fixed length of the optical fiber in the cabin is stripped, the optical ferrule is manufactured, and the optical fiber at the inner end of the cabin is ensured to be straight through the fixation of the ferrule and the assembly of the ferrule and a plug.
As shown in fig. 1 and 7, the scheme is that an optical fiber inserting core and a seat core are firstly arranged at one end of a socket of a cabin penetrating optical fiber airtight adapter seat, so that the optical fiber at the socket end is straight; the optical fiber realizes air sealing in the middle of the socket by a brazing sealing technology, and the fixed length stripping and the optical fiber core insert manufacturing are carried out on the optical fiber in the cabin after the sealing is finished; the plug is sleeved into the socket to be matched with the socket, so that the optical fiber of the plug end is ensured to be straight.
The invention also provides an embodiment, wherein the outside optical fiber and the optical ferrule are assembled on the socket to ensure that the outside optical fiber is straight, the airtight seal between the optical fiber and the socket is realized through brazing and sealing, the length of the inside optical fiber is stripped and the optical ferrule is manufactured, the length consistency of the optical fiber is further ensured, the inner-end ferrule of the cabin is assembled with the plug, and finally the plug is assembled and fixed with the socket through the screw and the screw rod, so that the structural integrity is ensured.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (3)
1. The utility model provides a straight optic fibre formula of wearing airtight adapter of cabin optic fibre which characterized in that includes: a plug;
the socket is fixedly connected with the plug;
the first optical ferrule is arranged in the plug;
the second optical ferrule is matched with the first optical ferrule in position and is arranged in the socket;
the first elastic piece is arranged on the first optical ferrule;
the second elastic piece is arranged on the second optical ferrule and matched with the first elastic piece;
the shape of one end of the plug far away from the socket is the same as that of one end of the socket far away from the plug;
the first elastic piece and the second elastic piece are springs;
the number of the first optical plug cores and the number of the second optical plug cores are respectively multiple, and the number of the first optical plug cores and the number of the second optical plug cores are the same;
further comprises: the first screw rod is arranged in the plug;
the first screw hole is arranged in the socket and matched with the first screw rod.
2. A method of connecting a straight fiber optic transshipment fiber optic airtight adapter of claim 1, comprising: the outer shell of the cabin penetrating optical fiber airtight adapter is designed, and two ends of the outer shell are provided with the same structure and can be connected with optical fiber plug connectors of the same type;
the outside optical fiber is fixed with the socket in advance to realize the straightness of the outside optical fiber, and then the fixed length stripping of the inside optical fiber and the manufacture of the optical ferrule are used for ensuring the straightness of the inside optical fiber;
the multi-core optical fiber ferrules at the outer end and the inner end of the cabin ensure the connection optical performance between the two ends of the cabin penetrating optical fiber airtight adapter and the optical fiber plug connector through the compression and floating of the springs;
the connection of the screws at the two ends and the screw rod can realize the fixation between the plug and the socket and the integrity of the whole structure.
3. A method of connecting a straight fiber optic transshipment fiber optic airtight adapter of claim 1, comprising: through the assembly of the outer end of the cabin, one end of the optical fiber penetrating through the cabin is ensured to be straight;
the airtight sealing of the optical fiber and the socket is realized through brazing sealing, and the sealing area is designed at the other end of the sealing ring mounting flange surface, so that the airtight sealing area is ensured to be positioned in the cabin, and the reliability of the airtight sealing is further improved;
the fixed length of the optical fiber in the cabin is stripped, the optical ferrule is manufactured, and the optical fiber at the inner end of the cabin is ensured to be straight through the fixation of the ferrule and the assembly of the ferrule and a plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948899.5A CN111999821B (en) | 2020-09-10 | 2020-09-10 | Straight optical fiber type cabin penetrating optical fiber airtight adapter and connecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948899.5A CN111999821B (en) | 2020-09-10 | 2020-09-10 | Straight optical fiber type cabin penetrating optical fiber airtight adapter and connecting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111999821A CN111999821A (en) | 2020-11-27 |
| CN111999821B true CN111999821B (en) | 2024-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010948899.5A Active CN111999821B (en) | 2020-09-10 | 2020-09-10 | Straight optical fiber type cabin penetrating optical fiber airtight adapter and connecting method |
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| CN (1) | CN111999821B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004151296A (en) * | 2002-10-30 | 2004-05-27 | Tomoegawa Paper Co Ltd | Method for connecting optical fiber and connection structure |
| CN102809785A (en) * | 2012-08-21 | 2012-12-05 | 上海方奥通信技术有限公司 | Multi-core optical cable connector |
| CN103018847A (en) * | 2012-12-26 | 2013-04-03 | 中国航天时代电子公司 | Optical fiber cabin-penetrating sealing connection socket device used for sealing cabin |
| CN103105647A (en) * | 2013-02-21 | 2013-05-15 | 中国电子科技集团公司第八研究所 | Optical fiber airtight connecting base |
| JP2014215446A (en) * | 2013-04-25 | 2014-11-17 | 株式会社フジクラ | Optical fiber sealing structure, optical fiber assembly, device, and optical fiber sealing method |
| CN205427241U (en) * | 2016-01-21 | 2016-08-03 | 中国电子科技集团公司第二十三研究所 | Airtight crossing cabin connector of optic fibre |
| CN208076770U (en) * | 2018-05-04 | 2018-11-09 | 沈阳兴华航空电器有限责任公司 | A kind of optical fiber connector |
| CN209656937U (en) * | 2019-04-01 | 2019-11-19 | 西安仕贤科技有限公司 | A kind of airtight optical fiber adapter |
| CN111541100A (en) * | 2020-05-26 | 2020-08-14 | 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) | Full-sea deep photoelectric mixed watertight connector |
| CN212647078U (en) * | 2020-09-10 | 2021-03-02 | 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 |
-
2020
- 2020-09-10 CN CN202010948899.5A patent/CN111999821B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004151296A (en) * | 2002-10-30 | 2004-05-27 | Tomoegawa Paper Co Ltd | Method for connecting optical fiber and connection structure |
| CN102809785A (en) * | 2012-08-21 | 2012-12-05 | 上海方奥通信技术有限公司 | Multi-core optical cable connector |
| CN103018847A (en) * | 2012-12-26 | 2013-04-03 | 中国航天时代电子公司 | Optical fiber cabin-penetrating sealing connection socket device used for sealing cabin |
| CN103105647A (en) * | 2013-02-21 | 2013-05-15 | 中国电子科技集团公司第八研究所 | Optical fiber airtight connecting base |
| JP2014215446A (en) * | 2013-04-25 | 2014-11-17 | 株式会社フジクラ | Optical fiber sealing structure, optical fiber assembly, device, and optical fiber sealing method |
| CN205427241U (en) * | 2016-01-21 | 2016-08-03 | 中国电子科技集团公司第二十三研究所 | Airtight crossing cabin connector of optic fibre |
| CN208076770U (en) * | 2018-05-04 | 2018-11-09 | 沈阳兴华航空电器有限责任公司 | A kind of optical fiber connector |
| CN209656937U (en) * | 2019-04-01 | 2019-11-19 | 西安仕贤科技有限公司 | A kind of airtight optical fiber adapter |
| CN111541100A (en) * | 2020-05-26 | 2020-08-14 | 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) | Full-sea deep photoelectric mixed watertight connector |
| CN212647078U (en) * | 2020-09-10 | 2021-03-02 | 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 |
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| Publication number | Publication date |
|---|---|
| CN111999821A (en) | 2020-11-27 |
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