CN107786268A - A kind of underwater optical signal amplification repeater and seabed monitoring system for possessing demodulation function - Google Patents
A kind of underwater optical signal amplification repeater and seabed monitoring system for possessing demodulation function Download PDFInfo
- Publication number
- CN107786268A CN107786268A CN201710949858.6A CN201710949858A CN107786268A CN 107786268 A CN107786268 A CN 107786268A CN 201710949858 A CN201710949858 A CN 201710949858A CN 107786268 A CN107786268 A CN 107786268A
- Authority
- CN
- China
- Prior art keywords
- optical signal
- underwater
- repeater
- submodule
- signal amplification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H04B10/29—Repeaters
-
- 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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/297—Bidirectional amplification
-
- 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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/298—Two-way repeaters, i.e. repeaters amplifying separate upward and downward lines
Abstract
The invention provides a kind of underwater optical signal amplification repeater and seabed monitoring system for possessing demodulation function, wherein underwater optical signal amplification repeater includes pressure-bearing cylinder, end cap, photodetachment module and photoelectric processing module；Wherein, photoelectric processing module is used to the downstream analog optical signal transmitted in the submarine optical fiber cable of access repeater being amplified transmission, and up analog optical signal is converted to upstream digital optical signal, and uplink optical signal is amplified and transmitted；End cap is arranged on pressure-bearing cylinder both ends；Photodetachment module and photoelectric processing module may be contained within inside pressure-bearing cylinder.A kind of underwater optical signal amplification repeater for possessing demodulation function provided by the invention, by the way that downstream analog optical signal is amplified into transmission, up analog optical signal is demodulated into after upstream digital optical signal and is amplified transmission, the signal quality of submarine optical fiber cable long-distance transmissions is improved, efficiently solves the limited problem of analog optical signal transmission range in submarine optical fiber cable.
Description
Technical field
The present invention relates to field of signal transmissions, more particularly to a kind of underwater optical signal amplification repeater for possessing demodulation function
And seabed monitoring system.
Background technology
There is relay transmission system to have become means of communication essential in remote transoceanic communication, undersea repeaters
It is the important component of submarine communication Transmission system, repeater has higher requirement to safety and reliability, and it is used
The requirement of the life-span time limit is more than 25 years.Due to the particularity of marine environment, undersea repeaters for volume, structure, material,
Watertightness, air-tightness and corrosion resistance etc. have higher technical requirements.In addition, repeater will possess less power consumption,
And run under water for a long time, so also to possess good heat-sinking capability.Undersea repeaters are built upon material technology, added
Underwater communication apparatus in the technical foundation such as work technology, integrated technology, photoelectric technology.
Existing submarine terminal equipment collection and transmission is analog signal at present, and biography of the analog signal in submarine optical fiber cable
It is defeated apart from limited, have a strong impact on the transmission of submarine optical fiber cable large area distant signal.
The content of the invention
In order to solve the problems of prior art, the invention provides a kind of underwater optical signal for possessing demodulation function
Amplify repeater and seabed monitoring system, for needing to carry out the submarine optical fiber cable of large area distant signal transmission, pass through by
The analog signal that submarine terminal equipment is sent is demodulated to data signal, and is transmitted after being amplified in submarine optical fiber cable, effectively solution
Certainly telecommunication problem.
The invention provides a kind of underwater optical signal amplification repeater for possessing demodulation function, including：Pressure-bearing cylinder, end cap,
Photodetachment module and photoelectric processing module；
Wherein, photoelectric processing module, the downstream analog optical signal for being transmitted in the submarine optical fiber cable by access repeater enter
Row amplification transmission, up analog optical signal is demodulated into upstream digital optical signal, and uplink optical signal is amplified and transmitted；
End cap is arranged on pressure-bearing cylinder both ends, and photodetachment module and photoelectric processing module may be contained within inside pressure-bearing cylinder.
In the present invention, pressure-bearing cylinder is used to resist seawater pressure, forms repeater shell；End cap is used for seal and pressure bearing cylinder two
End, prevents seawater from entering；The optical signal and telecommunications that photodetachment module is transmitted in the submarine optical fiber cable for separating access repeater
Number.
In actual applications, demodulation method and amplification method needs are up according to repeater used by photoelectric processing module
The other equipment of direction and down direction determines, i.e., with processing side selected by the other equipment of up direction and down direction
Method matches.
Further, the photoelectric processing module includes：
Light amplification submodule is simulated, the downstream analog optical signal for headend equipment to be sent to repeater is amplified simultaneously
Transmission；
Digital light amplification submodule, for will be amplified by the upstream digital optical signal for demodulating submodule demodulation process
And transmit；
Submodule is demodulated, the up analog optical signal for terminal to be sent to repeater is demodulated into upstream digital light letter
Number；
Synchronous submodule, for the signal for the different terminals being connected on repeater to be synchronized；
Power management submodule, for obtaining high-tension electricity from submarine optical fiber cable, it is the simulated light to carry out after decompression processing
Amplify submodule, digital light amplification submodule, demodulation submodule and the power supply of synchronous submodule.
Wherein, the operation principle for simulating light amplification submodule and digital light amplification submodule is amplified with conventional bank base signal
Equipment is the same, but because repeater operation environment provided by the invention is seabed, therefore the simulation light amplification submodule that the present invention uses
Higher reliability and thermal diffusivity requirement are needed with digital light amplification submodule.Demodulate submodule operation principle also with routine
Bank base demodulated equipment it is the same, but the present invention to demodulate submodule size require it is smaller, reliability requirement is higher.
Further, the metal o-ring for the sealing of pressure-bearing cylinder two-end structure, the ceramic feedthrough for the sealing that is electrically insulated
Insulating sealer and optical fiber feed-through seal for optical fiber seal are arranged at the end cap.
Sealing structure is carried out by metal o-ring, electric insulation sealing is carried out by ceramic feedthrough insulating sealer and is led to
Cross optical fiber feed-through seal and carry out optical fiber seal, in the case where submarine optical fiber cable sustains damage seawater can be prevented to enter relaying
Inside device, ensure that repeater has splendid sealing, can adapt to more complicated laying environment.
Further, including hollow universal joint, for making pressure-bearing cylinder that there is crooking ability；The hollow universal joint with it is described
It is connected outside end cap.The hollow universal joint is made of titanium alloy material.
The hollow universal joint can ensure that repeater has certain crooking ability so that repeater is in construction process
In water more easily can be entered by cloth cable equipment safety.
Further, the pressure-bearing cylinder is made of titanium alloy material.
Further, the end cap is made of titanium alloy material.
Wherein, pressure-bearing cylinder and end cap are made by titanium alloy material, and its raw material and processed finished products part must carry out 100%
Carrying out flaw detection, to ensure quality.
Further, the cable inside the pressure-bearing cylinder uses spiral winding packet form.
Cable inside pressure-bearing cylinder uses spiral winding packet form, can save big quantity space, solve photoelectric processing mould
Block is integrated into the assembling problem inside pressure-bearing cylinder.
Present invention also offers a kind of seabed monitoring system using above-mentioned underwater optical signal amplification repeater, including：Bank
Base work station, underwater optical signal amplification repeater and terminal sensing equipment；
Wherein, bank base work station, underwater optical signal amplification repeater and terminal sensing equipment pass sequentially through submarine optical fiber cable phase
Connection.
Further, the bank base work station includes：
Integrated Information Processing System, for carrying out collaboration Treatment Analysis to the optical signal received, and analysis result is led to
Cross human-computer interaction interface to show, and initial data and analyze data are stored by disk array；
Photoelectric Signal Processing system, the multi wave length illuminating source for laser to be sent carries out multiplex, modulation, amplification, then leads to
Submarine optical fiber cable and underwater optical signal amplification repeater transmission are crossed to underwater terminal sensing equipment；
Remote electric power system, for high-tension electricity to be transferred into underwater each equipment by submarine optical fiber cable, believe for Underwater Optical
Number amplification repeater and the power supply of terminal sensing equipment.
Beneficial effect
A kind of underwater optical signal amplification repeater for possessing demodulation function provided by the invention, by the way that downstream analog light is believed
Number transmission is amplified, up analog optical signal is demodulated into after upstream digital optical signal and is amplified transmission, improves seabed
The signal quality of optical cable long-distance transmissions, efficiently solve the limited problem of simulated light transmission range in submarine optical fiber cable.This hair
The seabed monitoring system using the above-mentioned underwater optical signal amplification repeater for possessing demodulation function of bright offer, realize it is long-term,
Continuously, round-the-clock detection, tracking and identification to submarine target in the large area remote observation region of seabed, and to ocean ring
The measurement of border noise.
Brief description of the drawings
Fig. 1 is a kind of structure for underwater optical signal amplification repeater for possessing demodulation function that the embodiment of the present invention one provides
Schematic diagram；
Fig. 2 is a kind of photoelectricity for underwater optical signal amplification repeater for possessing demodulation function that the embodiment of the present invention one provides
Separation module and end cap schematic diagram；
Fig. 3 is a kind of material object for underwater optical signal amplification repeater for possessing demodulation function that the embodiment of the present invention one provides
Outline drawing；
Fig. 4 is a kind of using the underwater optical signal amplification repeater for possessing demodulation function of the offer of the embodiment of the present invention two
The structural representation of seabed monitoring system.
Embodiment
In order to facilitate technical scheme provided by the invention is understood, it is further elaborated with reference to specific embodiment.
Embodiment one
As shown in figure 1, the invention provides a kind of underwater optical signal amplification repeater for possessing demodulation function, including：Hold
Pressure cylinder 10, end cap 20, photodetachment module 30 and photoelectric processing module 40；Wherein, end cap 20 is arranged on the both ends of pressure-bearing cylinder 10, light
Electrically separated module 30 and photoelectric processing module 40 may be contained within inside pressure-bearing cylinder 10.
Specifically, pressure-bearing cylinder 10 and end cap 20 are all made of titanium alloy material, its raw material and processed finished products are carried out
100% carrying out flaw detection, the quality of pressure-bearing cylinder and end cap is ensured with this.In order to ensure the sealing of end cap, it is additionally provided with end cap
For pressure-bearing cylinder two-end structure sealing metal o-ring, for be electrically insulated sealing ceramic feedthrough insulating sealer and be used for
The optical fiber feed-through seal of optical fiber seal, above sealing structure ensure that in the case where submarine optical fiber cable sustains damage, and can hinder
Only seawater enters inside incoming trunk, ensure that the reliability of repeater, repeater is preferably applied to various seabed rings
Border.
Photodetachment module 30 is the module that a kind of light path by submarine optical fiber cable separates with circuit.The photodetachment module
30 specifically include PE (i.e. polyethylene) insulation tube with copper conductor, and for submarine optical fiber cable and repeater to be connected, the PE is exhausted
Edge pipe can be high voltage withstanding, and optical fiber passes through inside PE insulation tubes, by forming outside using above-mentioned light, electric seal during end cap
Submarine optical fiber cable and isolating inside pressure-bearing cylinder.Cable inside pressure-bearing cylinder uses spiral winding packet form, can save a large amount of skies
Between, solve for photoelectric processing module 40 to be integrated into the assembling problem inside pressure-bearing cylinder.Photodetachment module is with sealing schematic diagram such as
Shown in Fig. 2.
Photoelectric processing module 40 specifically includes simulation light amplification submodule 41, digital light amplification submodule 42, demodulation submodule
Block 43, synchronous submodule 44 and power management submodule 45.Wherein, during headend equipment is sent to by simulation light amplification submodule 41
Downstream analog optical signal after device is amplified, and the analog optical signal after amplification is transferred to the terminal being connected with repeater
Equipment；The up analog optical signal that terminal device is sent to repeater by demodulation submodule 43 is demodulated into upstream digital optical signal,
And the upstream digital optical signal is sent to digital light amplification submodule 42；Digital light amplification submodule 42 is by above-mentioned upstream digital
Optical signal is transferred to the headend equipment being connected with repeater after being amplified；For the different terminals of synchronized links to repeater
The signal of equipment, photoelectric processing module 40 further comprises synchronous submodule 44；Power management submodule 45 and above-mentioned each submodule
Block is connected, and the power management submodule 45 obtains high-tension electricity from submarine optical fiber cable, and then decompression processing is low tension, and is upper
State each submodule power supply.
Repeater provided by the invention is provided with hollow universal joint, and the hollow universal joint is made of titanium alloy, with pressure-bearing
It is connected outside the end cap of cylinder both ends so that repeater provided by the invention has certain crooking ability, so as to ensure the relaying
Device can enter water in construction process by cloth cable equipment safety.
In summary, a kind of underwater signal amplification repeater for possessing demodulation function provided by the invention, by headend equipment
Downstream analog optical signal amplification after be transferred to terminal device, by terminal device send up analog optical signal be demodulated into it is up
Transmission is amplified after digital optical signal, is transmitted because digital optical signal is more suitable for telecommunication compared to analog optical signal,
So the present invention improves the signal quality of submarine optical fiber cable long-distance transmissions, the difficulty of submarine optical fiber cable telecommunication is efficiently solved
Topic.
Embodiment two
Embodiment two provides a kind of using the underwater optical signal amplification repeater provided by the invention for possessing demodulation function
Seabed monitoring system, the system architecture is as shown in Figure 4.
The seabed monitoring system includes bank base work station, underwater optical signal amplification repeater, terminal sensing equipment, each portion
Divide and pass through submarine optical fiber cable connection.
Bank base work station includes Integrated Information Processing System, Photoelectric Signal Processing system and remote electric power system.Comprehensive letter
What breath processing system was collected into the submarine terminal sensing equipment forwarded by underwater optical signal amplification repeater carries underwater mesh
The underwater sound optical signal of mark information carries out collaboration Treatment Analysis, and analysis result is shown by human-computer interaction interface, and passes through
Disk array stores initial data and analyze data.Photoelectric Signal Processing system, the multi wave length illuminating source that laser is sent are carried out
Multiplex, modulation, amplification, then by submarine optical fiber cable and underwater optical signal amplification repeater transmission to underwater terminal sensing equipment,
The system includes optical sender.High-tension electricity is transferred to underwater each equipment by submarine optical fiber cable by remote electric power system, is water
Lower optical signal amplifying amplifier repeaters and terminal sensing equipment power supply, specifically includes power supply on the bank and underwater seabed grounding apparatus.
Simulation light amplification submodule in underwater optical signal amplification repeater is by downstream analog optical signal (i.e. bank base work station
It is transferred to underwater modulation analog optical signal) it is amplified, it is exceeded the optical power threshold of terminal sensing equipment requirement, then it is defeated
Enter to terminal sensing equipment, so as to be interfered in terminal sensing equipment；Meanwhile the demodulation submodule in the repeater will be eventually
The optical interference signals (i.e. analog optical signal) with underwater sound field information that end sensing equipment is sent, which demodulate, to be come, and is converted into counting
Word optical signal, then the photosignal of bank base work station is transferred to after digital optical signal is amplified by digital light amplification submodule
In processing system；In order to reach the purpose of more station terminal sensing equipments collaboration detection, the synchronous submodule in repeater will also
The signal of multiple terminal sensing equipments synchronizes；Submarine optical fiber cable is transferred to underwater by the power management submodule in repeater
High-tension electricity is converted into low tension, is the modules power supply in repeater.
Terminal sensing equipment includes various detecting devices, can for a long time, continuous, round-the-clock running, possess in observation area
Interior remote probe, tracking and recognition capability to submarine target and long-term, the continuous, energy of daytime measurement ambient sea noise
Power.
In summary, a kind of underwater signal for possessing demodulation function provided by the invention is amplified into repeater applications in seabed
In monitoring system, submarine optical fiber cable distant signal transmission quality can be improved, improves the remote monitoring ability of system.
Embodiments of the invention are the foregoing is only, are not intended to limit the invention, it is all in spirit of the invention and former
Within then, change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (9)
- A kind of 1. underwater optical signal amplification repeater for possessing demodulation function, it is characterised in that including：Pressure-bearing cylinder, end cap, photoelectricity Separation module and photoelectric processing module；Wherein, photoelectric processing module, the downstream analog optical signal for being transmitted in the submarine optical fiber cable by access repeater are put Big transmission, up analog optical signal is demodulated into upstream digital optical signal, and uplink optical signal is amplified and transmitted；End cap is arranged on pressure-bearing cylinder both ends, and photodetachment module and photoelectric processing module may be contained within inside pressure-bearing cylinder.
- 2. underwater optical signal amplification repeater according to claim 1, it is characterised in that the photoelectric processing module bag Include：Light amplification submodule is simulated, the downstream analog optical signal for headend equipment to be sent to repeater is amplified and passed It is defeated；Digital light amplification submodule, for will be amplified by demodulating the upstream digital optical signal of submodule demodulation process and passed It is defeated；Submodule is demodulated, the up analog optical signal for terminal to be sent to repeater is demodulated into upstream digital optical signal；Synchronous submodule, for the signal for the different terminals being connected on repeater to be synchronized；Power management submodule, for obtaining high-tension electricity from submarine optical fiber cable, it is the simulation light amplification to carry out after decompression processing Submodule, digital light amplification submodule, demodulation submodule and the power supply of synchronous submodule.
- 3. underwater optical signal amplification repeater according to claim 2, it is characterised in that close for pressure-bearing cylinder two-end structure The metal o-ring of envelope, the ceramic feedthrough insulating sealer for the sealing that is electrically insulated and the optical fiber feed-through for optical fiber seal seal Part is arranged on the end cap.
- 4. underwater optical signal amplification repeater according to claim 3, it is characterised in that including hollow universal joint, be used for Make pressure-bearing cylinder that there is crooking ability；The hollow universal joint outside the end cap with being connected.
- 5. underwater optical signal amplification repeater according to claim 3, it is characterised in that the pressure-bearing cylinder uses titanium alloy Material is made.
- 6. underwater optical signal amplification repeater according to claim 3, it is characterised in that the end cap uses titanium alloy material Material is made.
- 7. underwater optical signal amplification repeater according to claim 3, it is characterised in that the cable inside the pressure-bearing cylinder Using spiral winding packet form.
- A kind of 8. seabed monitoring system of underwater optical signal amplification repeater using described in claim 1-7, it is characterised in that Including：Bank base work station, underwater optical signal amplification repeater and terminal sensing equipment；Wherein, bank base work station, underwater optical signal amplification repeater pass sequentially through submarine optical fiber cable with terminal sensing equipment and are connected.
- 9. seabed monitoring system according to claim 8, it is characterised in that the bank base work station includes：Integrated Information Processing System, for carrying out collaboration Treatment Analysis to the optical signal received, and analysis result is passed through into people Machine interactive interface is shown, and stores initial data and analyze data by disk array；Photoelectric Signal Processing system, the multi wave length illuminating source for laser to be sent carries out multiplex, modulation, amplification, then passes through sea Back light cable and underwater optical signal amplification repeater transmission are to underwater terminal sensing equipment；Remote electric power system, it is underwater optical signal amplifying for high-tension electricity to be transferred into underwater each equipment by submarine optical fiber cable Amplifier repeaters and the power supply of terminal sensing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949858.6A CN107786268A (en) | 2017-10-13 | 2017-10-13 | A kind of underwater optical signal amplification repeater and seabed monitoring system for possessing demodulation function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949858.6A CN107786268A (en) | 2017-10-13 | 2017-10-13 | A kind of underwater optical signal amplification repeater and seabed monitoring system for possessing demodulation function |
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| Publication Number | Publication Date |
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| CN107786268A true CN107786268A (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710949858.6A Pending CN107786268A (en) | 2017-10-13 | 2017-10-13 | A kind of underwater optical signal amplification repeater and seabed monitoring system for possessing demodulation function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111971864A (en) * | 2018-04-06 | 2020-11-20 | Ipg光子公司 | Submarine optical repeater with high-voltage isolation function |
| CN112710380A (en) * | 2020-12-17 | 2021-04-27 | 湖南长城海盾光纤科技有限公司 | Deep and far sea optical fiber hydrophone shore-based detection system digital repeater and manufacturing method thereof |
| CN116295783A (en) * | 2023-03-09 | 2023-06-23 | 中国科学院声学研究所 | Underwater full-digital optical fiber hydrophone system suitable for remote transmission |
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| CN101356750A (en) * | 2004-03-29 | 2009-01-28 | 雷德斯凯萨布斯有限公司 | Undersea optical transmission system employing low power consumption optical amplifiers |
| CN101405971A (en) * | 2006-03-31 | 2009-04-08 | 古河电气工业株式会社 | Optical transmission system and optical repeater |
| CN202889350U (en) * | 2012-11-19 | 2013-04-17 | 湖北兴泽科技有限公司 | Ultra wide band (UWB) light distribution system |
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| CN101356750A (en) * | 2004-03-29 | 2009-01-28 | 雷德斯凯萨布斯有限公司 | Undersea optical transmission system employing low power consumption optical amplifiers |
| CN101405971A (en) * | 2006-03-31 | 2009-04-08 | 古河电气工业株式会社 | Optical transmission system and optical repeater |
| CN202889350U (en) * | 2012-11-19 | 2013-04-17 | 湖北兴泽科技有限公司 | Ultra wide band (UWB) light distribution system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111971864A (en) * | 2018-04-06 | 2020-11-20 | Ipg光子公司 | Submarine optical repeater with high-voltage isolation function |
| CN111971864B (en) * | 2018-04-06 | 2022-08-02 | Ipg光子公司 | Submarine optical repeater with high-voltage isolation function |
| CN112710380A (en) * | 2020-12-17 | 2021-04-27 | 湖南长城海盾光纤科技有限公司 | Deep and far sea optical fiber hydrophone shore-based detection system digital repeater and manufacturing method thereof |
| CN116295783A (en) * | 2023-03-09 | 2023-06-23 | 中国科学院声学研究所 | Underwater full-digital optical fiber hydrophone system suitable for remote transmission |
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