CN109361466A - A kind of self-alignment underwater multiplex laser communication transmitting device of band - Google Patents
A kind of self-alignment underwater multiplex laser communication transmitting device of band Download PDFInfo
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- CN109361466A CN109361466A CN201811383021.0A CN201811383021A CN109361466A CN 109361466 A CN109361466 A CN 109361466A CN 201811383021 A CN201811383021 A CN 201811383021A CN 109361466 A CN109361466 A CN 109361466A
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- laser
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- alignment
- angle
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
Abstract
The invention discloses a kind of self-alignment underwater multiplex laser communication transmitting devices of band, unit, intelligent laser control unit and laser displacement sensing unit are adjusted including underwater multiplex package sealing with laser cabin, laser transmitting-receiving unit, laser angle, underwater multiplex package sealing with laser cabin is positive cube shape, all around a laser transmitting-receiving unit and a laser displacement sensing unit is respectively arranged in four surfaces for it, and internal setting laser angle adjusts unit and intelligent laser control unit；Laser transmitting-receiving unit includes laser transmitting terminal, laser pick-off end and the convex lens being covered on above laser transmitting terminal and laser pick-off end；Laser displacement sensing unit includes at least 12 photoswitch original parts, is evenly distributed on around the laser transmitting-receiving unit in a ring.The present invention solves the problems, such as communication Instrument because miniature deformation caused by extraneous factor influence causes laser to deviate reception center, realizes the single-point multichannel multi-angle transmission of laser, receives, gets rid of the puzzlement that underwater obstacle blocks laser transmission.
Description
Technical field
The invention belongs to underwater laser system regions, a kind of particularly self-alignment underwater multiplex laser communication of band is passed
Defeated device.
Background technique
The advantages that laser communication technology is contained much information with its long transmission distance, transmission, and transmission speed is fast is widely used in
In terrestrial optical communication.Underwater laser communication had gradually developed in recent years.It is underwater to swash for the laser communication of land
The environment of optic communication is increasingly complex.Underwater laser communication device, which generally comprises, sends and receives end, and laser is after transmitting terminal transmission
Enter receiving end by complicated briny environment.Underwater laser device is generally fixedly mounted on certain positions, to realize light
Constant transmissions.But this creates the terminal a problems, when fixed point is influenced by environmental factors such as water flow, water temperatures and generate micro-
When small deformation, since light is along straightline propagation, and transmission range is farther out, will cause optical signal and deviates original reception position.?
It is costly if artificially corrected in briny environment, it is totally unfavorable to entire project.
Since light is along straightline propagation, and subsea environment is relative complex, it is understood that there may be the feelings that an optical link can not transmit
Condition (encounters rock to block), this just needs the multiple transmission of light.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide a kind of self-alignment underwater multiplex laser communication transmission of band
The problem of device solves communication Instrument miniature deformation because caused by influencing extraneous factor, laser is caused to deviate reception center,
With the single-point multichannel multi-angle transmission of laser, Receiver Problem, it is made to get rid of the puzzlement that underwater obstacle blocks laser transmission.
To achieve the above object, the technical solution of the present invention is as follows: a kind of self-alignment underwater multiplex laser communication transmission of band
Device, including underwater multiplex package sealing with laser cabin, laser transmitting-receiving unit, laser angle adjust unit, intelligent laser control unit and
Laser displacement sensing unit, wherein
Underwater multiplex package sealing with laser cabin is positive cube shape, and all around a laser transmitting-receiving is respectively arranged in four surfaces
Unit and a laser displacement sensing unit, internal setting laser angle adjust unit and intelligent laser control unit；
The laser transmitting-receiving unit includes laser transmitting terminal, laser pick-off end and is covered on laser transmitting terminal and laser pick-off
The convex lens of end above；
The laser displacement sensing unit includes at least 12 photoswitch original parts, is evenly distributed on the laser in a ring and receives
Around bill member；
The laser angle adjusts unit and includes at least 2 stepper motors, 2 no-load voltage ratio gear sets, 2 STATEMENT OF FEDERALLY SPONSOREDs, and 2 turn
Axis and 1 laser adjustment frame export control signal by intelligent laser control unit and adjust unit to laser angle, and then to laser
Transmit-Receive Unit carries out angular adjustment；
The intelligent laser control unit is including at least main controller, the data that the laser displacement sensing unit is passed back,
After program analytical calculation, control signal is exported to laser angle and adjusts unit.
Preferably, the main controller includes at least STM32 chip.
Preferably, 2 stepper motors in the laser angle adjusting unit, 2 no-load voltage ratio gear sets, 2 STATEMENT OF FEDERALLY SPONSOREDs, 2
A shaft is to be separately positioned on horizontal x-axis and vertical y-axis each one.
Preferably, the rotor of the stepper motor is connected with one end of the STATEMENT OF FEDERALLY SPONSORED by the no-load voltage ratio gear set, connection
The other end of moving part is directly connected with one end of the shaft, and the other end of shaft is fixed with rotation screw, above-mentioned traverse respectively
With place horizontal x-axis and the vertical y-axis direction in laser transmitting-receiving unit vertically.
Preferably, after the angle of the rotor rotation of the stepper motor is reduced by the no-load voltage ratio gear, through the linkage
Part and shaft drive rotation screw rotation.
Preferably, the service precision of the stepper motor is 1.8 degree.
Preferably, the no-load voltage ratio gear no-load voltage ratio is 1:100.
Preferably, the laser transmitting-receiving unit maximum rotation angle is 60 degree.
Beneficial effect includes at least the following to the present invention through the above arrangement:
1, laser can carry out seeking optical alignment automatically, when there is miniature deformation and cause reception source that can not receive signal,
It can be calibrated automatically；
2, laser transmitting-receiving is module-integrated, and every road laser transmitting-receiving unit both can be used as transmitting terminal, can also be used as reception
End, switching is freely；
3, possess multi-path laser Transmit-Receive Unit, it is independent between each other, laser can be received from different perspectives, can also will be swashed
Light is transferred out by different angle, solves barrier shielding light source problem.
Detailed description of the invention
Fig. 1 is the structural block diagram with self-alignment underwater multiplex laser communication transmitting device of the embodiment of the present invention；
Fig. 2 is the facing structure signal with self-alignment underwater multiplex laser communication transmitting device of the embodiment of the present invention
Figure；
Fig. 3 is the backsight structural representation with self-alignment underwater multiplex laser communication transmitting device of the embodiment of the present invention
Figure；
Fig. 4 is the laser transmitting-receiving unit 20 with self-alignment underwater multiplex laser communication transmitting device of the embodiment of the present invention
Structural schematic diagram；
Fig. 5 is the multichannel multi-angle laser with self-alignment underwater multiplex laser communication transmitting device of the embodiment of the present invention
Transfer mode schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
On the contrary, the present invention covers any substitution done on the essence and scope of the present invention being defined by the claims, repairs
Change, equivalent method and scheme.Further, in order to make the public have a better understanding the present invention, below to of the invention thin
It is detailed to describe some specific detail sections in section description.Part without these details for a person skilled in the art
The present invention can also be understood completely in description.
Referring to Fig. 1-4 show the present embodiment with self-alignment underwater multiplex laser communication transmitting device connection structure frame
Figure, 20 structural schematic diagram of positive backsight structural representation and laser transmitting-receiving unit, a kind of self-alignment underwater multiplex laser communication of band
Transmitting device, including underwater multiplex package sealing with laser cabin 10, laser transmitting-receiving unit 20, laser angle adjusting unit 30, intelligent laser
Control unit 40 and laser displacement sensing unit 50, wherein
Underwater multiplex package sealing with laser cabin 10 is positive cube shape, and all around four surfaces are respectively arranged a laser and receive
Bill member 20 and a laser displacement sensing unit 50, internal setting laser angle adjusts unit 30 and intelligent laser control is single
Member 40；
The laser transmitting-receiving unit 20 is including laser transmitting terminal 21, laser pick-off end 22 and is covered on 21 and of laser transmitting terminal
Convex lens above laser pick-off end 22；
The laser displacement sensing unit 50 includes at least 12 photoswitch original parts, is evenly distributed on the laser in a ring
Around Transmit-Receive Unit 20；
The laser angle adjusts unit 30 and includes at least 2 stepper motors, 2 no-load voltage ratio gear sets, 2 STATEMENT OF FEDERALLY SPONSOREDs, and 2
Shaft and 1 laser adjustment frame export control signal by intelligent laser control unit 40 and adjust unit 30 to laser angle, in turn
Angular adjustment is carried out to laser transmitting-receiving unit 20；
The intelligent laser control unit 40 includes at least main controller, the number that the laser displacement sensing unit 50 is passed back
According to, after program analytical calculation, export control signal give laser angle adjust unit 30.
In specific embodiment, laser angle adjusts 2 stepper motors, 2 no-load voltage ratio gear sets, 2 linkages in unit 30
Part, 2 shafts are to be separately positioned on horizontal x-axis and vertical y-axis each one, and the one of the rotor of stepper motor and the STATEMENT OF FEDERALLY SPONSORED
End is connected by the no-load voltage ratio gear set, and the other end of STATEMENT OF FEDERALLY SPONSORED is directly connected with one end of the shaft, the other end of shaft
It is fixed with rotation screw, above-mentioned traverse respectively and places horizontal x-axis and the vertical y-axis direction in laser transmitting-receiving unit 20 vertically, used
The stepper motor that precision is 1.8 degree, no-load voltage ratio gear no-load voltage ratio are 1:100, then control precision can reach 0.018 degree.Pass through x
It carries out rotating upwardly and downwardly comprehensive maximum 60 degree of rotations that laser transmitting-receiving unit 20 may be implemented with the stepper motor of y-axis；STM32 core
Main controller based on piece, the data passed back by laser displacement sensing unit 50 adjust laser angle tune after program calculates
The laser for saving unit 30 sends angle.
After the present invention is installed under water, adjusting bracket makes the laser irradiation of the transmission of laser transmitting terminal 21 to laser pick-off
End 22.Assuming that illuminated laser spot is deviated toward the top at laser pick-off, then in the laser displacement sensing unit 50 of surface
Corresponding photoswitch original part will issue switching signal, after which is detected by the STM32 chip of intelligent laser control unit, into
Then processing result is fed back to laser transmitting-receiving unit 20 by the processing of row software, then the y-axis electricity of unit 30 is adjusted by laser angle
Machine rotates down, and the lower section of laser toward receiving area is deviated.Every rotation once carries out a laser displacement sensing unit 50 again
Switch signal detection continues to rotate if can also detect, until laser pick-off end 22 receives laser signal again.
Assuming that being influenced by extraneous factor, the upper right side at illuminated laser spot toward laser pick-off end 22 is deviated, then upper right side
Photoswitch original part in laser displacement sensing unit 50 will issue switching signal, and the signal is by intelligent laser control unit 40
After STM32 chip detects, software processing is carried out, processing result is then fed back into laser transmitting-receiving unit 20, then pass through laser
The y-axis motor of angle regulating unit 30 rotates down, and x-axis motor moves upwards, and the lower section at laser toward laser pick-off end 22 is inclined
It moves.The switch signal detection that every rotation once carries out a laser displacement sensing unit 50 again continues to if can also detect
Rotation, until laser pick-off end 22 receives laser signal again.
The adjustment of displacement mode in other directions is identical as both above adjustment mode.
When needing to carry out multipath light signal transmission, the transmitting-receiving attribute of each road laser transmitting-receiving unit 20 need to be only set, and
Unit 30, which is adjusted, by laser angle adjusts respective transmitting-receiving angle.Referring to fig. 2,6 face labels in 3, it is assumed that No. 1 position
Laser transmitting-receiving unit 20 is receiving end, and the laser transmitting-receiving units 20 of 2,3, No. 4 positions is transmitting terminal, and the angle respectively sent be to
No. 5 positions deflect 30 degree, only the laser transmission unit of 2,3, No. 4 positions need to be kept inclined to No. 5 positions by being rotated up y-axis motor at this time
Turn 30 degree.
It is identical as mode above that other angles multichannel receives and dispatches mode.Road multi-angle shown in Figure 5 can finally be formed
Laser transfer mode can get rid of the puzzlement that underwater obstacle blocks laser transmission.
Both ensure that in this way laser transmitting terminal 21 issue laser always in the receiving area at laser pick-off end 22, while
The transmission of multichannel multi-angle is realized, the optical link transmission of underwater complex environment is realized, saves many manpowers for entire engineering
And material resources.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (8)
1. a kind of self-alignment underwater multiplex laser communication transmitting device of band, which is characterized in that including underwater multiplex package sealing with laser
Cabin, laser transmitting-receiving unit, laser angle adjust unit, intelligent laser control unit and laser displacement sensing unit, wherein
Underwater multiplex package sealing with laser cabin is positive cube shape, and all around a laser transmitting-receiving unit is respectively arranged in four surfaces
With a laser displacement sensing unit, internal setting laser angle adjusts unit and intelligent laser control unit；
The laser transmitting-receiving unit includes laser transmitting terminal, laser pick-off end and is covered on laser transmitting terminal and laser pick-off end
The convex lens in face；
The laser displacement sensing unit includes at least 12 photoswitch original parts, is evenly distributed on the laser transmitting-receiving list in a ring
Around first；
The laser angle adjusts unit and includes at least 2 stepper motors, 2 no-load voltage ratio gear sets, 2 STATEMENT OF FEDERALLY SPONSOREDs, 2 shafts and
1 laser adjustment frame exports control signal by intelligent laser control unit and adjusts unit to laser angle, and then to laser transmitting-receiving
Unit carries out angular adjustment；
The intelligent laser control unit includes at least main controller, and the data that the laser displacement sensing unit is passed back are passed through
After program analytical calculation, control signal is exported to laser angle and adjusts unit.
2. as described in claim 1 with self-alignment underwater multiplex laser communication transmitting device, which is characterized in that the master control
Device includes at least STM32 chip.
3. as described in claim 1 with self-alignment underwater multiplex laser communication transmitting device, which is characterized in that the laser
2 stepper motors, 2 no-load voltage ratio gear sets in angle regulating unit, 2 STATEMENT OF FEDERALLY SPONSOREDs, 2 shafts are to be separately positioned on level
X-axis and vertical y-axis each one.
4. as described in claim 1 with self-alignment underwater multiplex laser communication transmitting device, which is characterized in that the stepping
The rotor of motor is connected with one end of the STATEMENT OF FEDERALLY SPONSORED by the no-load voltage ratio gear set, the other end of STATEMENT OF FEDERALLY SPONSORED directly with described turn
One end of axis is connected, and the other end of shaft is fixed with rotation screw, above-mentioned traverse respectively and places the water in laser transmitting-receiving unit vertically
Flat x-axis and vertical y-axis direction.
5. as claimed in claim 4 with self-alignment underwater multiplex laser communication transmitting device, which is characterized in that the stepping
After the angle of the rotor rotation of motor is reduced by the no-load voltage ratio gear, rotation screw rotation is driven through the STATEMENT OF FEDERALLY SPONSORED and shaft
Turn.
6. as described in claim 1 with self-alignment underwater multiplex laser communication transmitting device, which is characterized in that the stepping
The service precision of motor is 1.8 degree.
7. as described in claim 1 with self-alignment underwater multiplex laser communication transmitting device, which is characterized in that the no-load voltage ratio
Gear no-load voltage ratio is 1:100.
8. as described in claim 1 with self-alignment underwater multiplex laser communication transmitting device, which is characterized in that the laser
Transmit-Receive Unit maximum rotation angle is 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383021.0A CN109361466A (en) | 2018-11-20 | 2018-11-20 | A kind of self-alignment underwater multiplex laser communication transmitting device of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383021.0A CN109361466A (en) | 2018-11-20 | 2018-11-20 | A kind of self-alignment underwater multiplex laser communication transmitting device of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109361466A true CN109361466A (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811383021.0A Pending CN109361466A (en) | 2018-11-20 | 2018-11-20 | A kind of self-alignment underwater multiplex laser communication transmitting device of band |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934779A (en) * | 2020-07-06 | 2020-11-13 | 杭州电子科技大学 | Laser signal recovery module, multipoint-aligned underwater laser communication system and method |
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| CN105334550A (en) * | 2014-08-14 | 2016-02-17 | 滕州市飞天激光自动化技术有限公司 | Automatic laser seeking calibration device |
| WO2018011945A1 (en) * | 2016-07-14 | 2018-01-18 | 三菱電機株式会社 | Laser radar device |
| CN108594209A (en) * | 2018-03-28 | 2018-09-28 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of laser ranging light axis consistency dynamic calibration method and system |
| CN208063208U (en) * | 2018-04-17 | 2018-11-06 | 武汉六博光电技术有限责任公司 | A kind of remote-wireless laser WIFI communication systems |
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2018
- 2018-11-20 CN CN201811383021.0A patent/CN109361466A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334550A (en) * | 2014-08-14 | 2016-02-17 | 滕州市飞天激光自动化技术有限公司 | Automatic laser seeking calibration device |
| WO2018011945A1 (en) * | 2016-07-14 | 2018-01-18 | 三菱電機株式会社 | Laser radar device |
| CN108594209A (en) * | 2018-03-28 | 2018-09-28 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of laser ranging light axis consistency dynamic calibration method and system |
| CN208063208U (en) * | 2018-04-17 | 2018-11-06 | 武汉六博光电技术有限责任公司 | A kind of remote-wireless laser WIFI communication systems |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934779A (en) * | 2020-07-06 | 2020-11-13 | 杭州电子科技大学 | Laser signal recovery module, multipoint-aligned underwater laser communication system and method |
| CN111934779B (en) * | 2020-07-06 | 2021-07-16 | 杭州电子科技大学 | Laser signal recovery module, multipoint-aligned underwater laser communication system and method |
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Application publication date: 20190219 |