CN104579470A - Digital lamplight communication system for ships - Google Patents
Digital lamplight communication system for ships Download PDFInfo
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- CN104579470A CN104579470A CN201510014715.7A CN201510014715A CN104579470A CN 104579470 A CN104579470 A CN 104579470A CN 201510014715 A CN201510014715 A CN 201510014715A CN 104579470 A CN104579470 A CN 104579470A
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Abstract
The invention relates to a ship communication system, in particular to a high-reliability digital lamplight communication system which combines image processing techniques and is used for communication between ships under complex water area environments. The digital lamplight communication system for the ships comprises a lamplight emitting module, a lamplight collecting module and an information processing module, wherein the lamplight emitting module comprises a light-emitting source and an encoder, the lamplight collecting module comprises an image collector and a relative position tracking module, and the information processing platform comprises a decoder, an information feedback module and an information display platform. The digital lamplight communication system for the ships is easy and convenient to operate and easy to use, and can greatly improve communication accuracy, efficiency and reliability compared with a traditional manual control lamplight communication mode between the ships. The digital lamplight communication system for the ships enables the signal transmission distance and interference rejection to be greatly improved by using an infrared band signal receiving and transmitting method, and can guarantee confidentiality and safety of transmitted signals through a signal encipher.
Description
Technical field
The present invention relates to a kind of marine communication system, particularly a kind of combining image treatment technology under the water environment of complexity for boats and ships between the high reliability digitlization flashing light signalling system that exchanges.
Background technology
Lamp signal (flashing light signalling) is a kind of generalization language communicated between ship, and use is in the world very extensive.But the transmission of lamp signal and reading are all obtain and decoding by artificial, if lack professional, so will cause very tremendous influence to vessel.Even if having professional, but limit the situation that will cause decoding error or cannot decode due to various condition.
Modern science and technology, by the transmission of light signal with after being received from automation, use invisible light to replace original visible light communication, also just become possibility.This transformation will make flashing light signalling more secret, more hiddenization.But existing optical communication technique is mainly used in land communications transport, transmits simple distance, positional information between carrier.And sea route shipping is different from overland transport, there is following problem in it: 1. in sea route shipping boats and ships spacing to compare separation between vehicles in overland transport far away many, have higher requirement to signal propagation distance; 2. sea route communication mode is various not as land route communication mode, particularly meet with the impact of the improper factors such as war, bad weather or device damage, therefore flashing light signalling is as a kind of comparatively stable circulation way, it is relied on to transmit more information relative to more needing in the environment of land route, so have higher requirement to the reception of Signal coding and signal.
Because prior art not can solve optical communication Problems existing in sea route shipping.So need a kind of optical communication system being applicable to sea route shipping now.This system is long except propagation distance, adapts to outside sea route environment, within round-the-clock 24 hours, automatically can also detect the possible lamp signal on marine site, and can automatic decoding.The generation of this system, can substitute and manually carry out lamp signal explanation, within 24 hours, the lamp signal that may occur can also be detected, and whether this signal of automatic decision is lamp signal, all right automatic decoding, and reflected by system and report to the police, and can to integrate mutually with the information system above present naval vessels, form a complete information system platform.
Summary of the invention
For above problem, the invention discloses boats and ships digitlization flashing light signalling system, use the present computer technology and image processing techniques, digital improvement is carried out to traditional flashing light signalling.After this project completes, to make the radical change of boats and ships flashing light signalling looks: improve the accuracy rate identified, and improve the speed sending and identify, signal uses wave band to expand to invisible light from visible ray, signal transmission distance and anti-interference will increase substantially, and improve confidentiality and the fail safe of signal.
Described system comprises light transmitter module, light acquisition module, the information processing platform; Described light transmitter module comprises light emitting source, encoder; Described light acquisition module comprises image acquisition device, relative position tracking module; The described information processing platform comprises decoder, information feedback module, information display platform; Light transmitter module makes the image acquisition device on other boats and ships automatically catch with the form transmitting of visible ray or infrared light, distinguishes emission source by relative position tracking module.
Relative coordinate position between the principle determination boats and ships that described relative position tracking module is propagated by light, described relative position tracking module or replace the coordinate determining boats and ships by global positioning system.
Described image acquisition device catches brightness value, color value, wavelength value, graphics shape, the tranmitting frequency of light source in light transmitter module.
The changeable one-tenth of described information feedback module manually selects feedback or automatic Real-time Feedback, sends data guarantee that data are accurate by this systemic circulation.
Comprise decoder in described information display platform and code signal is converted into the discernible language of people.
Described image acquisition device can arrange the brightness range of more than 2 or 2, and when collecting brightness and reaching in a certain scope, data read, and determines to transmit data by the brightness retention time.
Information transmission form as a kind of optimized encoding device uses Morse code and the kanji code weaved on Morse code basis or other any commitment Language codes.
As a kind of preferably described light emitting source be LED array light source with realize bright dark between shear (Fast transforms).
The signal transmission distance that the form of visible ray or infrared light is launched is be less than 3 nautical miles daytime, is less than 8 nautical miles night.
During described infrared light emission naked eyes not identifiable design combine with code speech as double-encryption process transmission information.
Accompanying drawing explanation
Fig. 1 is boats and ships digitlization flashing light signalling system global structure schematic diagram in the present invention.
Fig. 2 is figure collector in the present invention based on the present computer technology a kind of by light launch time and brightness is the collection example defined.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, following embodiment should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of values of invention has all fallen within the application's claims limited range.
As shown in Figure 1, this practical disclosure of the invention boats and ships digitlization flashing light signalling system, is characterized in that: described system comprises light transmitter module, light acquisition module, the information processing platform; Described light transmitter module comprises light emitting source, encoder; Described light acquisition module comprises image acquisition device, relative position tracking module; The described information processing platform comprises decoder, information feedback module, information display platform; Light transmitter module makes the image acquisition device on other boats and ships automatically catch with the form transmitting of visible ray or infrared light, distinguishes emission source and automatic feedback data by relative position tracking module.
Preferred as one, relative coordinate position between the principle determination boats and ships that relative position tracking module is propagated by light, below calculates for a kind of coordinate the account form combined with the distinctive external interference of boats and ships:
Parameter defines: boats and ships one coordinate is Z (Xo, Yo), and boats and ships two coordinate is Z (x1, y1)
Boats and ships one light speed of the ship in metres per second V (Xo, Yo), boats and ships two swing speed V(x1, y1)
Image propagates time T
Computing formula: Z (x1, y1)=Z (Xo, Yo)+V (Xo, Yo) * T+ V(x1, y1) * T
Preferred as one, use the relative position tracking module between global positioning system replacement boats and ships.
The collector of figure shown in Fig. 2 is the collection example defined based on the present computer technology a kind of by light launch time and brightness.
Definition: brightness value L 1, L2, when image acquisition device scans triggering signal transmissions when brightness value L is greater than L1, when L2>L>L1 is counted as 0, as L>l2, data are 1; Setting-up time t is a unit, and a unit interval t represents short light and is defined as x, and three unit interval 3t represent long light and are defined as y, and each flash of light followed by a gap digit unit interval t and is defined as T; A short smooth X=x+T of significance bit, a long smooth significance bit Y=y+T.
Such as: alphabetical A is X+Y
Letter b is Y+X+X
Letter C is Y+X+Y+X
Letter D is Y+X+X
Letter e is X
Letter F is X+X+Y+X
Letter G is Y+Y+X
Letter H is X+X+X+X
Numeral 1 is X+Y+Y+Y+Y
Numeral 2 is X+X+Y+Y+Y
Numeral 3 is X+X+X+Y+Y
Numeral 4 is X+X+X+X+Y
Numeral 5 is X+X+X+X+X
Numeral 6 is Y+X+X+X+X
Numeral 7 is Y+Y+X+X+X
Numeral 8 is Y+Y+Y+X+X
Numeral 9 is Y+Y+Y+Y+X
Numeral 0 is Y+Y+Y+Y+Y
The brightness value L 1 defined in above example and the numerical value of L2, other numerical value that can be collected by image acquisition device define and comprise color value (RGB, CMYK, tristimulus coordinate figure, lab coordinate figure etc.), wavelength value, graphics shape, watt level, tranmitting frequency.
The form that the data that figure collector collects based on the present computer technology are combined by more than 2 or 2 items as data processing according to (brightness value, color value, wavelength value, graphics shape, watt level, tranmitting frequency).
Information transmission form as a kind of optimized encoding device uses Morse code and the kanji code weaved on Morse code basis or other any commitment Language codes.
The changeable one-tenth of described information feedback module manually selects feedback or automatic Real-time Feedback, sends data guarantee that data are accurate by this systemic circulation.
Comprise decoder in described information display platform and code signal is converted into the discernible language of people.
Described image acquisition device can arrange the brightness range of more than 2 or 2, and when collecting brightness and reaching in a certain scope, data read, and determines to transmit data by the brightness retention time.
Be that LED array light source can select emission lamp light figure as a kind of preferably described light emitting source, and with realize bright dark between shear (Fast transforms).
The signal transmission distance of the transmitting brilliance control visible ray of light source or the form transmitting of infrared light is set, is less than 3 nautical miles daytime, is less than 8 nautical miles night.
Naked eyes not discernible signal and image acquisition device camera can combine with code speech as double-encryption transmission information processing scheme by automatic capturing again when light source is infrared light emission.
Information processing platform optimum configurations comprises several respects function below:
(1) optimum configurations, uses visible ray or infrared light, background illuminance parameter;
(2) receive sensor and boats and ships are rocked to the signal sent, and the corresponding action of control objectives, to maintain signal optical source in the scope that image acquisition device is contained;
(3) light signal is screened, and actual signal decoding;
(4) Signal coding that will send, controls light source and sends signal;
(5) according to order command receiving and transmitting signal.
Claims (10)
1. boats and ships digitlization flashing light signalling system, is characterized in that: described system comprises light transmitter module, light acquisition module, the information processing platform; Described light transmitter module comprises light emitting source encoder; Described light acquisition module comprises image acquisition device, relative position tracking module; The described information processing platform comprises decoder, information feedback module, information display platform; Light transmitter module makes the image acquisition device on other boats and ships automatically catch with the form transmitting of visible ray or infrared light, distinguish emission source and automatic feedback data by relative position tracking module, the data that image acquisition device collects are by the foundation of more than 2 or 2 forms combined as data processing.
2. boats and ships digitlization flashing light signalling system according to claim 1, it is characterized in that: relative coordinate position between the principle determination boats and ships that described relative position tracking module is propagated by light, described relative position tracking module or replace the coordinate determining boats and ships by global positioning system.
3. boats and ships digitlization flashing light signalling system according to claim 1, is characterized in that: described image acquisition device catches brightness value, color value, wavelength value, graphics shape, watt level, the tranmitting frequency of light source in light transmitter module.
4. boats and ships digitlization flashing light signalling system according to claim 1, is characterized in that: the changeable one-tenth of described information feedback module manually selects feedback or automatic Real-time Feedback, sends data guarantee that data are accurate by this systemic circulation.
5. boats and ships digitlization flashing light signalling system according to claim 1, is characterized in that: comprise decoder in described information display platform and code signal is converted into the discernible language of people.
6. boats and ships digitlization flashing light signalling system according to claim 1, it is characterized in that: described image acquisition device can arrange the brightness range of more than 2 or 2, when collecting brightness and reaching in a certain scope, data read, and determine to transmit data by the brightness retention time.
7. boats and ships digitlization flashing light signalling system according to claim 1, is characterized in that: as a kind of preferably described light emitting source be LED array light source with realize bright dark between shear (Fast transforms).
8. boats and ships digitlization flashing light signalling system according to claim 1, is characterized in that: the signal transmission distance that the form of visible ray or infrared light is launched is be less than 3 nautical miles daytime, is less than 8 nautical miles night.
9. boats and ships digitlization flashing light signalling system according to claim 1, is characterized in that: during described infrared light emission naked eyes not identifiable design combine with code speech, as double-encryption process transmission information.
10. boats and ships digitlization flashing light signalling system according to claim 1, is characterized in that: the information transmission form of encoder uses Morse code and the kanji code weaved on Morse code basis or other any commitment Language codes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510014715.7A CN104579470A (en) | 2015-01-13 | 2015-01-13 | Digital lamplight communication system for ships |
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| CN201510014715.7A CN104579470A (en) | 2015-01-13 | 2015-01-13 | Digital lamplight communication system for ships |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111464464A (en) * | 2020-06-03 | 2020-07-28 | 常州国光数据通信有限公司 | Automatic copying and transmitting equipment and working method thereof |
| CN112631329A (en) * | 2020-12-18 | 2021-04-09 | 北京泊松技术有限公司 | Unmanned aerial vehicle formation cooperative control system and method based on optical coding LED navigation lamp |
| CN113014518A (en) * | 2021-03-03 | 2021-06-22 | 江苏海马通信科技有限公司 | Lamp language receiver |
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| JPS5848540A (en) * | 1981-09-18 | 1983-03-22 | Hitachi Ltd | Optical beam communication system |
| CN102291338A (en) * | 2010-08-20 | 2011-12-21 | 无锡朗能科技有限公司 | Automatic acquisition and identification system of ship light signal |
| CN102983906A (en) * | 2012-12-14 | 2013-03-20 | 中国人民解放军镇江船艇学院 | Marine intelligent lamplight communication system |
| CN203219302U (en) * | 2012-12-14 | 2013-09-25 | 中国人民解放军镇江船艇学院 | Marine intelligent lamplight communication system |
| CN203883842U (en) * | 2014-04-08 | 2014-10-15 | 中国人民解放军镇江船艇学院 | Marine intelligent light communication device |
-
2015
- 2015-01-13 CN CN201510014715.7A patent/CN104579470A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5848540A (en) * | 1981-09-18 | 1983-03-22 | Hitachi Ltd | Optical beam communication system |
| CN102291338A (en) * | 2010-08-20 | 2011-12-21 | 无锡朗能科技有限公司 | Automatic acquisition and identification system of ship light signal |
| CN102983906A (en) * | 2012-12-14 | 2013-03-20 | 中国人民解放军镇江船艇学院 | Marine intelligent lamplight communication system |
| CN203219302U (en) * | 2012-12-14 | 2013-09-25 | 中国人民解放军镇江船艇学院 | Marine intelligent lamplight communication system |
| CN203883842U (en) * | 2014-04-08 | 2014-10-15 | 中国人民解放军镇江船艇学院 | Marine intelligent light communication device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111464464A (en) * | 2020-06-03 | 2020-07-28 | 常州国光数据通信有限公司 | Automatic copying and transmitting equipment and working method thereof |
| CN112631329A (en) * | 2020-12-18 | 2021-04-09 | 北京泊松技术有限公司 | Unmanned aerial vehicle formation cooperative control system and method based on optical coding LED navigation lamp |
| CN113014518A (en) * | 2021-03-03 | 2021-06-22 | 江苏海马通信科技有限公司 | Lamp language receiver |
| CN113014518B (en) * | 2021-03-03 | 2022-08-16 | 江苏海马通信科技有限公司 | Lamp language receiver |
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