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CN105530055A - An underwater wireless red light communication device and method thereof - Google Patents

An underwater wireless red light communication device and method thereof Download PDF

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Publication number
CN105530055A
CN105530055A CN201610051448.5A CN201610051448A CN105530055A CN 105530055 A CN105530055 A CN 105530055A CN 201610051448 A CN201610051448 A CN 201610051448A CN 105530055 A CN105530055 A CN 105530055A
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CN
China
Prior art keywords
underwater
ruddiness
signal
led array
communicator
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Pending
Application number
CN201610051448.5A
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Chinese (zh)
Inventor
徐敬
孙斌
孔美巍
余翔宇
吕伟超
韩军
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Zhejiang University ZJU
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Zhejiang University ZJU
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Publication date
Application filed by Zhejiang University ZJU filed Critical Zhejiang University ZJU
Priority to CN201610051448.5A priority Critical patent/CN105530055A/en
Publication of CN105530055A publication Critical patent/CN105530055A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B13/00Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
    • H04B13/02Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114Indoor or close-range type systems
    • H04B10/116Visible light communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/501Structural aspects
    • H04B10/502LED transmitters

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)

Abstract

The invention relates to the underwater communication field and discloses an underwater wireless red light communication device and a method. The underwater wireless red light communication device comprises an underwater vehicle red light communication device and an underwater sensor red light communication device and can utilize a sea water channel to construct an underwater wireless red light communication system. The underwater wireless red light communication device overcomes the problem that current water sound communication has low broadband and poor reliability, the RF communication design is complicated and the stability is poor, which greatly improves the communication speed and reliability of the current underwater wireless light communication, and provides the strong communication support to the underwater detection and the underwater observation network development.

Description

A kind of underwater wireless ruddiness communicator and method thereof
Technical field
The invention relates to the underwater wireless communications field, particularly a kind of underwater wireless ruddiness communicator and method thereof.
Background technology
Along with the development of China's marine cause, underwater sensor network, underwater research vehicle, underwater robot more and more participate in scientific research of seas and development of resources.Monitor these work for underwater picture collection, underwater optical observation or underwater environment, underwater research vehicle gathers image, video information under water, needs these information data transmission to ships and light boats; Underwater research vehicle is dived beneath the water and usually will be received the image data of underwater sensor; Underwater robot is dived beneath the water when carrying out non-contact charge to underwater observation equipment to be needed to carry out Control on Communication.Above-described all scientific research scenes, all related to close contact between distinct device and the process of communication, the communication system that these process need equipment configure have high bandwidth, anti-interference, easy realization feature and there is excellent short haul connection performance.
In order to meet the short haul connection demand of high bandwidth, anti-interference, easy realization under water, existing technology has acoustic communication, RF to communicate and blue green optical communication under water.Acoustic communication art time delay is comparatively large, limited bandwidth, has been difficult to meet existing communication requirement again.RF communication scheme complexity, performance are subject to underwater environment impact, poor anti jamming capability under water.Existing underwater wireless optical communication system many employings blue light or green-light source produce signal carrier and communicate, this subsurface communication mode has showed the advantage in bandwidth, antijamming capability, fail safe, but the light source of this wavelength is not as red-light source technology maturation, and scattering is larger in feculent water body.
In order to realize short-range high-speed radiocommunication under water, proposing a kind ofly can have good communication performance, the equipment that with low cost, reliability is high in short-distance wireless communication, having broad application prospects.
Summary of the invention
Main purpose of the present invention is to overcome deficiency of the prior art, provides a kind of and has high bandwidth, low-power consumption, the short-range communication device of the good feature of anti-interference and method thereof.For solving the problems of the technologies described above, solution of the present invention is:
There is provided a kind of underwater wireless ruddiness communicator, seawater channel can be utilized to form underwater wireless ruddiness communication system, and described underwater wireless ruddiness communicator comprises underwater research vehicle ruddiness communicator and underwater sensor ruddiness communicator;
Described underwater research vehicle ruddiness communicator comprises arm processor, bias voltage driver module A, red LED array A, transmitting terminal set of lenses A, receiving terminal light concentrator A, photodetector A, filter and amplification modules A, transmitting terminal set of lenses A, red LED array A, bias voltage driver module A, arm processor connect successively, and receiving terminal light concentrator A, photodetector A, filter and amplification modules A, arm processor connect successively; Described arm processor for receiving and reading the command adapted thereto of vehicle, and sends command signal; Described bias voltage driver module A, for driving red LED array A (according to certain rules) luminous, realizes the signal of telecommunication to be modulated on light signal; Described red LED array A adopts the red-light LED of series connection to realize; Described transmitting terminal set of lenses A is made up of, for collimated ray (two pieces) lens; Described receiving terminal light concentrator A is for converging the light signal in seawater; Described filter and amplification modules A comprises RC device and integrated transporting discharging, for carrying out the process of filtering and amplification to received signal;
Described underwater sensor ruddiness communicator comprises MCU processor, bias voltage driver module B, red LED array B, transmitting terminal set of lenses B, receiving terminal light concentrator B, photodetector B, filter and amplification module B, transmitting terminal set of lenses B, red LED array B, bias voltage driver module B, MCU processor connect successively, and receiving terminal light concentrator B, photodetector B, filter and amplification module B, MCU processor connect successively; Described MCU processor for receiving and reading the signal from vehicle, and sends feedback signal; Described bias voltage driver module B, for driving red LED array B (according to certain rules) luminous, realizes the signal of telecommunication to be modulated on light signal; Described red LED array B adopts the red-light LED of series connection to realize; Described transmitting terminal set of lenses B is made up of, for collimated ray (two pieces) lens; Described receiving terminal light concentrator B is for converging the light signal in seawater; Described filter and amplification module B comprises RC device and integrated transporting discharging, for carrying out the process of filtering and amplification to received signal.
In the present invention, described red LED array A is in series with 8 red-light LEDs, and the evenly distributed formation of 8 red-light LEDs are circular, and photodetector A be arranged on 8 red-light LEDs of red LED array A form the round center of circle.
In the present invention, described red LED array B is in series with 8 red-light LEDs, and the evenly distributed formation of 8 red-light LEDs are circular, and photodetector B be arranged on 8 red-light LEDs of red LED array B form the round center of circle.
In the present invention, described arm processor adopts STM32F103C8.
In the present invention, described MCU processor adopts STM32F207VCT6.
In the present invention, described filter and amplification modules A, filter and amplification module B, adopt chip TC4427 and chip 74HC14 to connect and realize.
A kind of underwater wireless ruddiness communication means based on described underwater wireless ruddiness communicator is provided, by the signal that underwater research vehicle sends, arm processor in underwater research vehicle ruddiness communicator receives the command adapted thereto of reading vehicle and command signal is sent, the signal madulation that arm processor sends by bias voltage driver module A is on red LED array A, red LED array A sends modulated optical signal, and modulated optical signal passes to underwater sensor ruddiness communicator through seawater channel; Photo-detector B in underwater sensor ruddiness communicator detects light signal, and converts light signal to the signal of telecommunication, and the signal of telecommunication represents various instruction, and transducer completes various operation according to instruction, feedback signal is passed to underwater research vehicle simultaneously.
Compared with prior art, the invention has the beneficial effects as follows:
Underwater wireless ruddiness communicator of the present invention, overcome existing underwater sound communication low bandwidth, poor reliability, RF communication scheme is complicated, the shortcoming of poor stability, greatly improve traffic rate and the reliability of existing underwater wireless optical communication, for undersea detection and the development of underwater observation network provide the strong support that communicates.
Accompanying drawing explanation
Fig. 1 is the system framework figure of a kind of ruddiness under water of embodiment of the present invention radio communication device.
Fig. 2 is embodiment of the present invention underwater research vehicle ruddiness communication apparatus structure block diagram.
Fig. 3 is embodiment of the present invention underwater sensor ruddiness communication apparatus structure block diagram.
Fig. 4 is the structural representation of red LED array A, red LED array B.
Reference numeral in figure is: 1 underwater research vehicle ruddiness communicator; 10ARM processor; 11 bias voltage driver module A; 12 red LED array A; 13 transmitting terminal set of lenses A; 14 receiving terminal light concentrator A; 15 photodetector A; 16 filter and amplification modules A; 2 underwater sensor ruddiness communicators; 20MCU processor; 21 bias voltage driver module B; 22 red LED array B; 23 transmitting terminal set of lenses B; 24 receiving terminal light concentrator B; 25 photodetector B; 26 filter and amplification module B.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
A kind of underwater wireless ruddiness communicator as shown in Figure 1 comprises underwater research vehicle ruddiness communicator 1 and underwater sensor ruddiness communicator 2, and seawater channel can be utilized to form underwater wireless ruddiness communication system.
As shown in Figure 2, underwater research vehicle ruddiness communicator 1 comprises arm processor 10, bias voltage driver module A11, red LED array A12, transmitting terminal set of lenses A13, receiving terminal light concentrator A14, photodetector A15, filter and amplification modules A 16; Transmitting terminal set of lenses A13, red LED array A12, bias voltage driver module A11, arm processor 10 connect successively, and receiving terminal light concentrator A14, photodetector A15, filter and amplification modules A 16, arm processor 10 connect successively.Described arm processor 10 adopts STM32F103C8, for receiving and reading the command adapted thereto of vehicle, then command signal is sent.Described bias voltage driver module A11 is for driving red LED array A12 luminous according to certain rules.Described red LED array A12 adopts 8 red-light LEDs of series connection to realize, and 8 evenly distributed formation of red-light LED are circular; And photodetector A15 be arranged on 8 red-light LEDs of red LED array A12 form the round center of circle, specifically can with reference to figure 4.Described transmitting terminal set of lenses A13 is made up of, for collimated ray two pieces of lens.Described receiving terminal light concentrator A14 is for converging the light signal through seawater channel.Described filter and amplification modules A 16 is made up of RC device and integrated transporting discharging, for carrying out the process of filtering and amplification to received signal.
As shown in Figure 3, underwater sensor ruddiness communicator 2 comprises MCU processor 20, bias voltage driver module B21, red LED array B22, transmitting terminal set of lenses B23, receiving terminal light concentrator B24, photodetector B25, filter and amplification module B26; Successively, receiving terminal light concentrator B24 warp, photodetector B25, filter and amplification module B26, MCU process 20 connect successively for transmitting terminal set of lenses B23, red LED array B22, bias voltage driver module B21, MCU processor 20.Described bias voltage driver module B21 is for driving red LED array B22 luminous according to certain rules.Described red LED array B22 adopts 8 red-light LEDs of series connection to realize, and 8 evenly distributed formation of red-light LED are circular; And photodetector B25 be arranged on 8 red-light LEDs of red LED array B22 form the round center of circle, specifically can with reference to figure 4.Described transmitting terminal set of lenses B23 is made up of, for collimated ray two pieces of lens.Described receiving terminal light concentrator B24 is for converging the light signal through seawater channel.Described filter and amplification module B26 is made up of RC device and integrated transporting discharging, for carrying out the process of filtering and amplification to received signal.
Chip TC4427 and chip 74HC14 is all adopted to connect in described filter and amplification modules A 16, filter and amplification module B26.
The carrying out practically flow process of underwater wireless ruddiness communicator 2 is: arm processor 10 receives signal that underwater research vehicle sends and processes signal, treated signal is sent to bias voltage driver module A11 by arm processor 10, bias voltage driver module A11 by input signal madulation on red LED array A12.Red LED array A12 sends light signal, and transmitting terminal set of lenses A13 evenly expands, and forms the dispersion angle preset, and light signal arrives in seawater.Light signal arrives the receiving terminal light concentrator B24 in underwater sensor ruddiness communicator 2 by seawater channel, through convergence light signal after photodetector B25, be demodulated to the signal of telecommunication, the signal of telecommunication after demodulation is sent to MCU processor 20 by filter and amplification module B26, MCU processor 20 receives, processing signals, underwater sensor obtains instruction, makes corresponding operation and produces feedback signal simultaneously.Feedback signal is sent to bias voltage driver module B21, then feedback signal is modulated on red LED array B22 by bias voltage driver module B21, and red LED array B22 sends light signal, evenly expands through transmitting terminal set of lenses B23, form the dispersion angle preset, light signal arrives in seawater.Light signal arrives the receiving terminal light concentrator A14 in underwater research vehicle ruddiness communicator 1 by seawater channel, through convergence light signal after photodetector A15, be demodulated to the signal of telecommunication, the signal of telecommunication after demodulation is sent to arm processor 10 by filter and amplification modules A 16, arm processor 10 receives, processing signals, underwater research vehicle obtains instruction, just can make corresponding operation, and communication process complete so just achieves.
Finally, it should be noted that above what enumerate is only specific embodiments of the invention.Obviously, the invention is not restricted to above embodiment, a lot of distortion can also be had.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention, all should think protection scope of the present invention.

Claims (7)

1. a underwater wireless ruddiness communicator, seawater channel can be utilized to form underwater wireless ruddiness communication system, and it is characterized in that, described underwater wireless ruddiness communicator comprises underwater research vehicle ruddiness communicator and underwater sensor ruddiness communicator;
Described underwater research vehicle ruddiness communicator comprises arm processor, bias voltage driver module A, red LED array A, transmitting terminal set of lenses A, receiving terminal light concentrator A, photodetector A, filter and amplification modules A, transmitting terminal set of lenses A, red LED array A, bias voltage driver module A, arm processor connect successively, and receiving terminal light concentrator A, photodetector A, filter and amplification modules A, arm processor connect successively; Described arm processor for receiving and reading the command adapted thereto of vehicle, and sends command signal; Described bias voltage driver module A, for driving red LED array A luminous, realizes the signal of telecommunication to be modulated on light signal; Described red LED array A adopts the red-light LED of series connection to realize; Described transmitting terminal set of lenses A is made up of lens, for collimated ray; Described receiving terminal light concentrator A is for converging the light signal in seawater; Described filter and amplification modules A comprises RC device and integrated transporting discharging, for carrying out the process of filtering and amplification to received signal;
Described underwater sensor ruddiness communicator comprises MCU processor, bias voltage driver module B, red LED array B, transmitting terminal set of lenses B, receiving terminal light concentrator B, photodetector B, filter and amplification module B, transmitting terminal set of lenses B, red LED array B, bias voltage driver module B, MCU processor connect successively, and receiving terminal light concentrator B, photodetector B, filter and amplification module B, MCU processor connect successively; Described MCU processor for receiving and reading the signal from vehicle, and sends feedback signal; Described bias voltage driver module B, for driving red LED array B luminous, realizes the signal of telecommunication to be modulated on light signal; Described red LED array B adopts the red-light LED of series connection to realize; Described transmitting terminal set of lenses B is made up of lens, for collimated ray; Described receiving terminal light concentrator B is for converging the light signal in seawater; Described filter and amplification module B comprises RC device and integrated transporting discharging, for carrying out the process of filtering and amplification to received signal.
2. a kind of underwater wireless ruddiness communicator according to claim 1, it is characterized in that, described red LED array A is in series with 8 red-light LEDs, and the evenly distributed formation of 8 red-light LEDs are circular, and photodetector A be arranged on 8 red-light LEDs of red LED array A form the round center of circle.
3. a kind of underwater wireless ruddiness communicator according to claim 1, it is characterized in that, described red LED array B is in series with 8 red-light LEDs, and the evenly distributed formation of 8 red-light LEDs are circular, and photodetector B be arranged on 8 red-light LEDs of red LED array B form the round center of circle.
4. a kind of underwater wireless ruddiness communicator according to claim 1, is characterized in that, described arm processor adopts STM32F103C8.
5. a kind of underwater wireless ruddiness communicator according to claim 1, is characterized in that, described MCU processor adopts STM32F207VCT6.
6. a kind of underwater wireless ruddiness communicator according to claim 1, is characterized in that, described filter and amplification modules A, filter and amplification module B, all adopts chip TC4427 and chip 74HC14 to connect and realizes.
7. the underwater wireless ruddiness communication means based on underwater wireless ruddiness communicator described in claim 1, it is characterized in that, by the signal that underwater research vehicle sends, arm processor in underwater research vehicle ruddiness communicator receives the command adapted thereto of reading vehicle and command signal is sent, the signal madulation that arm processor sends by bias voltage driver module A is on red LED array A, red LED array A sends modulated optical signal, and modulated optical signal passes to underwater sensor ruddiness communicator through seawater channel; Photo-detector B in underwater sensor ruddiness communicator detects light signal, and converts light signal to the signal of telecommunication, and the signal of telecommunication represents various instruction, and transducer completes various operation according to instruction, feedback signal is passed to underwater research vehicle simultaneously.
CN201610051448.5A 2016-01-26 2016-01-26 An underwater wireless red light communication device and method thereof Pending CN105530055A (en)

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CN107240244A (en) * 2017-07-11 2017-10-10 北京智芯微电子科技有限公司 A kind of passive data acquisition terminal, optical controller and system
CN107425909A (en) * 2017-05-17 2017-12-01 复旦大学 A kind of underwater lighting and communication system based on visible light lasers light source
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
CN110557201A (en) * 2019-08-09 2019-12-10 华南理工大学 A multi-angle receiving device for underwater visible light communication mobile node
US10516489B1 (en) 2018-11-15 2019-12-24 Industrial Technology Research Institute Underwater wireless communication apparatus and communication method thereof
CN111917469A (en) * 2020-08-12 2020-11-10 重庆前卫科技集团有限公司 Underwater visible light communication device
CN114124219A (en) * 2021-11-26 2022-03-01 浙江大学 Detection bandwidth improving method based on series light emitting diode array applied to underwater wireless optical communication system

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107425909A (en) * 2017-05-17 2017-12-01 复旦大学 A kind of underwater lighting and communication system based on visible light lasers light source
CN107240244A (en) * 2017-07-11 2017-10-10 北京智芯微电子科技有限公司 A kind of passive data acquisition terminal, optical controller and system
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
US10516489B1 (en) 2018-11-15 2019-12-24 Industrial Technology Research Institute Underwater wireless communication apparatus and communication method thereof
CN110557201A (en) * 2019-08-09 2019-12-10 华南理工大学 A multi-angle receiving device for underwater visible light communication mobile node
CN111917469A (en) * 2020-08-12 2020-11-10 重庆前卫科技集团有限公司 Underwater visible light communication device
CN114124219A (en) * 2021-11-26 2022-03-01 浙江大学 Detection bandwidth improving method based on series light emitting diode array applied to underwater wireless optical communication system

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Application publication date: 20160427