CN105572807B - A kind of the optical communication interface device and its optical communication method of underwater wet plug - Google Patents
A kind of the optical communication interface device and its optical communication method of underwater wet plug Download PDFInfo
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- CN105572807B CN105572807B CN201610089051.5A CN201610089051A CN105572807B CN 105572807 B CN105572807 B CN 105572807B CN 201610089051 A CN201610089051 A CN 201610089051A CN 105572807 B CN105572807 B CN 105572807B
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- 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
- G02B6/26—Optical coupling means
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention relates to submarine optical communication interface fields, it is desirable to provide a kind of the optical communication interface device and its optical communication method of underwater wet plug.The optical communication interface device of this kind of underwater wet plug includes plug and socket, and plug includes transmitting terminal optical fiber, transmitting terminal lens B, and socket includes receiving terminal lens, receiving terminal optical fiber.The optical communication method of optical communication interface device of this kind based on underwater wet plug, the transmitting terminal of the transmitting terminal optical fiber of plug and signal of communication is connected, the receiving terminal of the receiving terminal optical fiber of socket and signal of communication is connected, when carrying out optic communication work, the minute surface of guarantee transmitting terminal lens B and receiving terminal lens contacts with each other or minute surface realizes optic communication at a distance of communication link within 1m, is established.The present invention greatlys improve working efficiency and reliability, while also solving the problems, such as that current underwater wet plug fiber optic data communication interface short life, manufacturing cost are high, and a kind of more simple, convenient, reliable method is provided for submarine optical communication.
Description
Technical field
The present invention relates to submarine optical communication interface field, more particularly to a kind of optical communication interface device of underwater wet plug
And its optical communication method.
Background technology
As the mankind deepen continuously to marine exploration, underwater detectoscope, underwater robot, underwater marine environmental monitoring is flat
Platform increasingly participates in the scientific research activity of ocean.Various detecting devices communication interfaces need to carry out repeated plug, due to
Underwater special working environment, the plug for carrying out port under water is a very complicated job, underwater in addition to bear
Hyperbaric environment, the seal of signal equipment, which goes wrong, will lead to the failure of whole equipment or even scrap.
In existing subsurface communication, the hot spot that communication is research is carried out using optical fiber or optical cable, due to optic communication high band
Feature wide, anti-interference is good, future also will be at the mainstream strength in the communication technology.And fiber optic data communication interface is mounted at some
Underwater detection equipment, ocean environment monitoring platform, fiber optic data communication interface docking is completed on seabed observation network node, establish logical
Believe that link has certain difficulty.In existing technology, many underwater wet connecting-disconnecting interfaces use sufficiently complex machinery
Structure, when working under water, interface both ends need accurate connection, need prodigious contact engaging and separating force, the success of communication interface docking
Rate is extremely low.Secondly optical fiber interface very little, even if also being difficult to realize the accurate docking of optical fiber interface under water using auxiliary device.
In conclusion to realize the docking of underwater optical fibre interface, communication link, existing technology too complex, dress are established
The reusable rate set is low, and safety is low, and involves great expense.
Invention content
It is a primary object of the present invention to overcome deficiency in the prior art, a kind of dress of underwater optical fibre interface docking is provided
It sets and its communication means.In order to solve the above technical problems, the solution of the present invention is：
A kind of optical communication interface device of underwater wet plug is provided, including plug and socket, the plug include connecting successively
Transmitting terminal optical fiber, transmitting terminal gradient-index lens, transmitting terminal lens A, vacuum tube A, vacuum tube B and the transmitting terminal lens B connect；
The transmitting terminal gradient-index lens become directional light for drawing and collimating the light in transmitting terminal optical fiber；The transmitting
It holds lens A, vacuum tube A, vacuum tube B, transmitting terminal lens B to constitute a collimating and beam expanding system, is used for transmitting terminal gradient refractive index
The light that rate lens project is collimated, is expanded, and becomes that light beam is wider, directional light of hot spot bigger；
The socket includes sequentially connected receiving terminal lens, vacuum tube C, receiving terminal gradient-index lens, receiving terminal
Optical fiber；The receiving terminal lens are used to the light for being incident on socket becoming directional light；The vacuum tube C is used to be used as (high-fidelity
) optical signal transmission channel；The receiving terminal gradient-index lens are for directional light to be coupled into receiving terminal optical fiber.
In the present invention, the transmitting terminal gradient-index lens are the optical lens of refractive index radially gradual change.
In the present invention, the transmitting terminal lens A and transmitting terminal lens B uses convex lens.
In the present invention, the vacuum tube A is connected with vacuum tube B by spiral mouth, by rotation vacuum pipe B, can be adjusted
The distance between transmitting terminal lens A and transmitting terminal lens B.
In the present invention, the receiving terminal lens use convex lens.
In the present invention, the vacuum tube A, vacuum tube B and vacuum tube C are the vacuum tubes of aluminum alloy material.
In the present invention, the receiving terminal gradient-index lens are the optical lens of refractive index radially gradual change.
In the present invention, the transmitting terminal lens A uses the convex lens that outer diameter is 20mm for 20mm, focal length, transmitting terminal saturating
Mirror B uses the convex lens that outer diameter is 40mm for 40mm, focal length, vacuum tube A to use length for the vacuum tube of 20mm, and vacuum tube B is adopted
The vacuum tube for being 40m with length.
A kind of optical communication method of the optical communication interface device based on the underwater wet plug is provided, specially：
The transmitting terminal of the transmitting terminal optical fiber of plug and signal of communication is connected, by the receiving terminal optical fiber and signal of communication of socket
Receiving terminal connection；When carrying out optic communication work, i.e. plug and socket ensures transmitting terminal lens B and reception in working condition
The minute surface of end lens contacts with each other or minute surface is at a distance of within 1m；
Optical signal in transmitting terminal optical fiber becomes the light beam of collimation by transmitting terminal gradient-index lens first, by standard
Straight light beam passes through the collimating and beam expanding system being made of transmitting terminal lens A, vacuum tube A, vacuum tube B and transmitting terminal lens B, light again
The hot spot of beam becomes larger, while light beam becomes directional light, realizes the optical signal in former transmitting terminal optical fiber from plug with directional light
It sends out；
When plug and socket is in working condition, the receiving terminal lens that optical signal that plug is sent out enters socket become flat
Row light reaches receiving terminal gradient-index lens using vacuum tube C, and receiving terminal gradient-index lens are by parallel optical coupling
Into in receiving terminal optical fiber, and then the optical signal of transmitting terminal reaches receiving terminal, completes the foundation of communication link.
The operation principle of the present invention：The present invention be the optical signal in optical fiber is expanded using optical principle, is collimated, then
The physical process of communication interface plug is realized using wireless light communication technology.When realizing, a kind of spy is mainly utilized in the present invention
Different gradient-index lens draw the light in optical fiber, and directional light is formed by expanding, and directional light is in water in very short distance
It propagates, is coupled into another optical fiber using the inverse process of gradient-index lens, thereby realizes optical fiber interface and exist
Underwater connection.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention innovatively draws the light source in optical fiber using special optical device, utilizes existing more mature water
The target that lower wireless light communication technology completes the docking of optical fiber interface, optical communication link is established, complicated submarine mechanical is operated
Process is converted into the underwater wireless light communication process for being relatively easy to realize, greatlys improve working efficiency, improves reliability, simultaneously
Also it solves the problems, such as that current underwater wet plug fiber optic data communication interface short life, manufacturing cost are high, is provided for submarine optical communication
One kind is compared to more simple, convenient, the reliable method of more traditional underwater wet connecting-disconnecting interface.
Description of the drawings
Fig. 1 is the structural schematic diagram of plug in the present invention.
Fig. 2 is the structural schematic diagram of socket in the present invention.
Fig. 3 is the optical signaling paths figure in embodiment.
Reference numeral in figure is：1 plug；2 sockets；10 transmitting terminal optical fiber；11 transmitting terminal gradient-index lens；12 hairs
Penetrate end lens A；13 vacuum tube A；14 vacuum tube B；15 transmitting terminal lens B；20 receiving terminal lens；21 vacuum tube C；22 receiving terminals ladder
Spend index lens；23 receiving terminal optical fiber.
Specific implementation mode
Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings：
A kind of optical communication interface device of underwater wet plug, including plug 1 and socket 2.
As shown in Figure 1, plug 1 includes sequentially connected transmitting terminal optical fiber 10, transmitting terminal gradient-index lens 11, transmitting
Hold lens A12, vacuum tube A13, vacuum tube B14 and transmitting terminal lens B15.Transmitting terminal gradient-index lens 11 are one piece of refraction
The optical lens of rate radially gradual change becomes directional light for drawing and collimating the light in transmitting terminal optical fiber 10.Transmitting terminal is saturating
Mirror A12 uses the convex lens that one piece of outer diameter is 20mm for 20mm, focal length, transmitting terminal lens B15 to use one piece of outer diameter for 40mm, coke
Away from the convex lens for 40mm.Vacuum tube A13 uses length for the vacuum tube of the aluminum alloy material of 20mm, and vacuum tube B14 is using length
Degree is the vacuum tube of the aluminum alloy material of 40m；Vacuum tube A13 is connected with vacuum tube B14 by spiral mouth, and rotation vacuum pipe is passed through
B14 can adjust the distance between transmitting terminal lens A12 and transmitting terminal lens B15.Transmitting terminal lens A12, vacuum tube A13, vacuum
Pipe B14, transmitting terminal lens B15 constitute a collimating and beam expanding system, flat for projecting transmitting terminal gradient-index lens 11
Row light is further collimated, is expanded, and becomes that light beam is wider, directional light of hot spot bigger.
As shown in Fig. 2, socket 2 includes sequentially connected receiving terminal lens 20, vacuum tube C21, receiving terminal graded index
Lens 22, receiving terminal optical fiber 23.The receiving terminal lens 20 use convex lens, for the light for being incident on socket 2 to be become parallel
Light.The vacuum tube C21 is for the optical signal transmission channel as high-fidelity.The receiving terminal gradient-index lens 22 are folding
The optical lens for penetrating rate radially gradual change, for directional light to be coupled into receiving terminal optical fiber 23.
As shown in figure 3, a kind of optical communication method of the optical communication interface device based on the underwater wet plug, specially：
The transmitting terminal optical fiber 10 of plug 1 is connect with the transmitting terminal of signal of communication, by the receiving terminal optical fiber 23 of socket 2 and is led to
Believe the receiving terminal connection of signal；When carrying out optic communication work, i.e. plug 1 and socket 2 ensures transmitting terminal lens in working condition
The minute surface of B15 and receiving terminal lens 20 contacts with each other or minute surface is at a distance of within 1m.
Optical signal in transmitting terminal optical fiber 10 becomes directional light by transmitting terminal gradient-index lens 11 first, by standard
Straight light beam is expanded by the collimation being made of transmitting terminal lens A12, vacuum tube A13, vacuum tube B14 and transmitting terminal lens B15 again
The hot spot of beam system, light beam becomes larger, while light beam becomes directional light, realizes optical signal in former transmitting terminal optical fiber 10 from plug
It is sent out with directional light in 1, into seawater channel.
When plug 1 and socket 2 are in working condition, the optical signal that plug 1 is sent out enters the receiving terminal lens 20 of socket 2
Become directional light, using vacuum tube C21, reaches receiving terminal gradient-index lens 22, receiving terminal gradient-index lens 22
Directional light is coupled into receiving terminal optical fiber 23, and then the optical signal of transmitting terminal reaches receiving terminal, completes the foundation of communication link.
When the connection for solving two optical fiber interfaces of progress under water is met difficulty, the present invention is innovatively with underwater wireless light
It communicates to realize the purpose of optical fiber interface connection, such way makes when having abandoned traditional underwater optical fibre communication interface plug
With the old thinking of various complex mechanical equipment less important works, the complexity and development cost of equipment are not only greatly reduced, and
And there is better reliability, the reuse rate of equipment is high.
Finally it should be noted that listed above is only specific embodiments of the present invention.It is clear that the invention is not restricted to
Above example can also have many variations.Those skilled in the art can directly lead from present disclosure
All deformations for going out or associating, are considered as protection scope of the present invention.
Claims (9)
1. a kind of optical communication interface device of underwater wet plug, including plug and socket, which is characterized in that the plug include according to
The transmitting terminal optical fiber of secondary connection, transmitting terminal gradient-index lens, transmitting terminal lens A, vacuum tube A, vacuum tube B and transmitting terminal are saturating
Mirror B；The transmitting terminal gradient-index lens become directional light for drawing and collimating the light in transmitting terminal optical fiber；It is described
Transmitting terminal lens A, vacuum tube A, vacuum tube B, transmitting terminal lens B constitute a collimating and beam expanding system, are used for transmitting terminal gradient
The light that index lens project is collimated, is expanded, and becomes that light beam is wider, directional light of hot spot bigger；
The socket includes sequentially connected receiving terminal lens, vacuum tube C, receiving terminal gradient-index lens, receiving terminal optical fiber；
The receiving terminal lens are used to the light for being incident on socket becoming directional light；The vacuum tube C is used for logical as optical signal transmission
Road；The receiving terminal gradient-index lens are for directional light to be coupled into receiving terminal optical fiber.
2. a kind of optical communication interface device of underwater wet plug according to claim 1, which is characterized in that the transmitting terminal
Gradient-index lens are the optical lens of refractive index radially gradual change.
3. a kind of optical communication interface device of underwater wet plug according to claim 1, which is characterized in that the transmitting terminal
Lens A and transmitting terminal lens B uses convex lens.
4. a kind of optical communication interface device of underwater wet plug according to claim 1, which is characterized in that the vacuum tube
A is connected with vacuum tube B by spiral mouth, by rotation vacuum pipe B, can be adjusted between transmitting terminal lens A and transmitting terminal lens B
Distance.
5. a kind of optical communication interface device of underwater wet plug according to claim 1, which is characterized in that the receiving terminal
Lens use convex lens.
6. a kind of optical communication interface device of underwater wet plug according to claim 1, which is characterized in that the vacuum tube
A, vacuum tube B and vacuum tube C is the vacuum tube of aluminum alloy material.
7. a kind of optical communication interface device of underwater wet plug according to claim 1, which is characterized in that the receiving terminal
Gradient-index lens are the optical lens of refractive index radially gradual change.
8. a kind of optical communication interface device of underwater wet plug according to claim 1 to 7 any one, feature exist
Use the convex lens that outer diameter is 20mm for 20mm, focal length in, the transmitting terminal lens A, transmitting terminal lens B use outer diameter for
40mm, the convex lens that focal length is 40mm, vacuum tube A use length for the vacuum tube of 20mm, and vacuum tube B uses length for 40m's
Vacuum tube.
9. a kind of optical communication method based on the optical communication interface device of underwater wet plug described in claim 1, which is characterized in that
Specially：
The transmitting terminal of the transmitting terminal optical fiber of plug and signal of communication is connected, by the receiving terminal optical fiber of socket and connecing for signal of communication
Receiving end connects；When carrying out optic communication work, i.e. plug and socket ensures that transmitting terminal lens B and receiving terminal are saturating in working condition
The minute surface of mirror contacts with each other or minute surface is at a distance of within 1m；
Optical signal in transmitting terminal optical fiber becomes the light beam of collimation by transmitting terminal gradient-index lens first, by collimation
Light beam again by the collimating and beam expanding system being made of transmitting terminal lens A, vacuum tube A, vacuum tube B and transmitting terminal lens B, light beam
Hot spot becomes larger, while light beam becomes directional light, realizes that the optical signal in former transmitting terminal optical fiber is sent out from plug with directional light；
When plug and socket is in working condition, the receiving terminal lens that optical signal that plug is sent out enters socket become parallel
Light reaches receiving terminal gradient-index lens using vacuum tube C, and directional light is coupled by receiving terminal gradient-index lens
In receiving terminal optical fiber, and then the optical signal of transmitting terminal reaches receiving terminal, completes the foundation of communication link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089051.5A CN105572807B (en) | 2016-02-17 | 2016-02-17 | A kind of the optical communication interface device and its optical communication method of underwater wet plug |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089051.5A CN105572807B (en) | 2016-02-17 | 2016-02-17 | A kind of the optical communication interface device and its optical communication method of underwater wet plug |
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| CN105572807A CN105572807A (en) | 2016-05-11 |
| CN105572807B true CN105572807B (en) | 2018-10-19 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105933067A (en) * | 2016-05-16 | 2016-09-07 | 浙江大学 | Photoelectric conversion device based on seabed signal transmission |
| CN106707287A (en) * | 2016-12-23 | 2017-05-24 | 浙江大学 | Fish school quantity estimation method based on extended Kalman filtering combined with nearest neighbor clustering algorithm |
| CN107452290A (en) * | 2017-09-15 | 2017-12-08 | 深圳市德彩光电有限公司 | A kind of LED display |
| CN108123753A (en) * | 2017-12-11 | 2018-06-05 | 中国船舶重工集团公司第七0五研究所 | A kind of underwater high-speed radio telecommunicaltion system |
| CN109802264B (en) * | 2019-01-21 | 2020-05-22 | 浙江大学 | Photoelectric hybrid bidirectional communication non-contact type wet plugging and unplugging connector |
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| US4360249A (en) * | 1979-10-17 | 1982-11-23 | Tetra-Tech, Inc. | Optical feedthrough for pressure vessels |
| CN1407740A (en) * | 2001-08-06 | 2003-04-02 | 日本板硝子株式会社 | Optical modular unit and its assembling method |
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| CN105572807A (en) | 2016-05-11 |
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