CN109167638A - Deep-sea communication network node equipment and deep-sea communications network system - Google Patents
Deep-sea communication network node equipment and deep-sea communications network system Download PDFInfo
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- CN109167638A CN109167638A CN201810790920.6A CN201810790920A CN109167638A CN 109167638 A CN109167638 A CN 109167638A CN 201810790920 A CN201810790920 A CN 201810790920A CN 109167638 A CN109167638 A CN 109167638A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
- H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
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Abstract
本申请涉及一种深海通信网络节点设备，通过接收换能器接收水声信号，并将水声信号转换为第一电信号，水密舱体按照预设方式对第一电信号进行处理，形成第二电信号，发送换能器接收第二电信号并将第二电信号转换为水声信号进行发送，通过接收换能器、水密舱体和发送换能器完成完全的深海中水声通信。由于节点设备设置在深海，避免了节点设备暴露在水平线附近容易损坏；信号传输在深海中进行，不容易被截获，提高了安全性；深海中噪音小，干扰小，对通信信道的通信质量和速率影响较小，误码率低、通信速率快。
The present application relates to a deep-sea communication network node device, which receives an underwater acoustic signal through a receiving transducer, converts the underwater acoustic signal into a first electrical signal, and the watertight cabin processes the first electrical signal according to a preset method to form a first electrical signal. Two electrical signals, the transmitting transducer receives the second electrical signal and converts the second electrical signal into an underwater acoustic signal for transmission, and completes the complete underwater acoustic communication in the deep sea through the receiving transducer, the watertight cabin and the transmitting transducer. Because the node equipment is set in the deep sea, it is avoided that the node equipment is easily damaged when exposed near the horizontal line; the signal transmission is carried out in the deep sea, it is not easy to be intercepted, and the security is improved; in the deep sea, the noise and interference are small, and the communication quality of the communication channel is improved. The impact of the rate is small, the bit error rate is low, and the communication rate is fast.
Description
Technical field
This application involves field of communication technology more particularly to a kind of deep-sea communication network node equipment and deep-sea communication networks
System.
Background technique
As ocean development is movable increasing and military actual needs, demand of the mankind to subsurface communication is big
To increase, attention of the subsurface communication technology increasingly by countries in the world.
In the related technology, the communication means that subsurface communication uses all is that underwater node device passes through water surface float and land nothing
Line communication network is connected, to realize underwater telecommunication.On the one hand this kind of communication means is needed through water surface float and land
Cordless communication network is realized, causes the safety of communication equipment and Content of Communication to substantially reduce；On the other hand due to shallow sea and
The various noises in sea and interfere it is larger, be affected to the communication quality and rate of communication channel, cause the bit error rate it is higher, communication
Rate is lower.
Summary of the invention
To be overcome the problems, such as present in the relevant technologies at least to a certain extent, the application provides a kind of deep-sea communication network
System.
The scheme of the application is as follows:
According to the embodiment of the present application in a first aspect, providing a kind of deep-sea communication network node equipment, comprising: receive transducing
Device, watertight cabin and transmission energy converter；
The reception energy converter is converted to the first electric signal for receiving underwater sound signal, and by the underwater sound signal；
The watertight cabin, for receiving first electric signal, and according to predetermined manner to first electric signal into
Row processing, forms the second electric signal；
Second electric signal is converted to underwater sound signal for receiving second electric signal by the transmission energy converter,
And send the underwater sound signal converted and finished.
Preferably, in conjunction with the above content, in a kind of possible implementation of the application, in the communication network of deep-sea,
If deep-sea communication network node described in any two is set comprising communication network node equipment in deep-sea described in two or more
It is communicated to connect between standby by ad hoc network protocol realization.
Preferably, in conjunction with the above content, in a kind of possible implementation of the application, the ad hoc network agreement is certainly
The dynamic ad hoc network agreement of adaptation.
Preferably, in conjunction with the above content, in a kind of possible implementation of the application, the watertight cabin includes:
Fault diagnosis circuit, for carrying out fault diagnosis to the intracorporal circuit of the watertight compartment.
Preferably, in conjunction with the above content, in a kind of possible implementation of the application, the deep-sea communication network section
Point device further include:
Underwater electrical connector is used for expanding communication interface.
The communication interface repairs the deep-sea communication network node equipment for accessing maintenance of equipment.
Preferably, in conjunction with the above content, in a kind of possible implementation of the application, the communication interface is CAN
Communication interface or RS232 communication interface.
Preferably, in conjunction with the above content, in a kind of possible implementation of the application, the deep-sea communication network section
Point device provides power supply by thermoelectric cell.
Preferably, in conjunction with the above content, in a kind of possible implementation of the application, the watertight compartment is equipped in vitro
Protective fence.
Preferably, in conjunction with the above content, in a kind of possible implementation of the application, the material of the watertight cabin
Using high-intensitive aluminum matrix composite, surface is using anodized technology and is coated with a nanometer silver coating.
According to a second aspect of the present application, a kind of deep-sea communications network system is provided, including two or more such as with
Upper described in any item deep-sea communication network node equipment.
The technical solution that embodiments herein provides can include the following benefits:
In scheme provided by the present application, deep-sea communication network node equipment receives underwater sound signal by receiving energy converter, and
Underwater sound signal is converted into the first electric signal, watertight cabin is handled the first electric signal according to predetermined manner, forms second
Electric signal, transmission energy converter receive the second electric signal and the second electric signal are converted to underwater sound signal and send, and pass through reception
Energy converter, watertight cabin and transmission energy converter complete underwater sound communication in complete deep-sea.Since node device is arranged at deep-sea, keep away
Exempted from node device be exposed to horizontal line nearby be easily damaged；Signal transmission carries out in deep-sea, it is not easy to be trapped, improve
Safety；Noise is small in deep-sea, and interference is small, smaller on the communication quality of communication channel and rate influence, and the bit error rate is low, communication is fast
Rate is fast.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Fig. 1 is a kind of structure chart of deep-sea communication network node equipment shown according to an exemplary embodiment；
Fig. 2 is a kind of structure chart of the deep-sea communication network node equipment shown according to another exemplary embodiment；
Fig. 3 is a kind of structure chart of the deep-sea communication network node equipment shown according to a further exemplary embodiment；
Fig. 4 is a kind of structure chart of deep-sea communications network system shown according to an exemplary embodiment.
Appended drawing reference: energy converter -1, watertight cabin -2 are sent；Receive energy converter -3；Fault diagnosis circuit -4；Memory-
5；Underwater electrical connector -6；Thermoelectric cell -7；Protective fence -8.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
Some aspects be described in detail in claims, the application consistent deep-sea communication network node equipment and deep-sea communication network
The example of network system.
Fig. 1 is a kind of structure chart of deep-sea communication network node equipment shown according to an exemplary embodiment, referring to figure
1, a kind of deep-sea communication network node equipment, comprising: receive energy converter 3, watertight cabin 2 and send energy converter 1；
Energy converter 3 is received, is converted to the first electric signal for receiving underwater sound signal, and by underwater sound signal；
Watertight cabin 2 for receiving the first electric signal, and is handled the first electric signal according to predetermined manner, is formed
Second electric signal；
Energy converter 1 is sent, for receiving the second electric signal, the second electric signal is converted into underwater sound signal, and send conversion
The underwater sound signal finished.
Energy converter refers to the device that electric energy harmony can be converted mutually.Convert electric energy to sound energy is known as transmission energy converter
1；By sound can be converted into electric energy be receive energy converter 3.Sending and receiving energy converter 3 is usually to be used separately.Subsurface communication
In general extremely difficult, acoustical signal is converted electrical signals to using energy converter 1 is sent, acoustical signal, will by this medium of water
Information, which is transmitted to, receives energy converter 3, and at this moment acoustical signal is converted to electric signal again, completion underwater sound communication, underwater sound communication be one
The technology received and sent messages under water is technology most important and crucial in current ocean military affairs.
Energy converter 3 is received, received underwater sound signal can come from a deep-sea communication network node equipment, can be from
Signal transmitting terminal.
Energy converter 1 is sent, sends the water that conversion finishes to next deep-sea communication network node equipment or signal receiving end
Acoustical signal.
Orthogonal frequency division multiplexi (OFDM, Orthogonal can be passed through between each deep-sea communication network node equipment
Frequency Division Multiplexing) communicated, OFDM technology be multi-carrier transmission scheme implementation it
One, its modulation and demodulation are based respectively on Fast Fourier Transform (FFT) and Fast Fourier Transform Inverse to realize, are to realize again
Minimum, the most widely used a kind of multi-carrier transmission scheme of miscellaneous degree, due to using ofdm communication technology, working frequency 9-15kHz, number
It is fast according to transmission speed, up to 1.5kbps；Strong antijamming capability, maximum communication distance is up to 5km.
Watertight cabin 2 handles the predetermined manner of the first electric signal are as follows: has digital signal processor, phase in watertight cabin 2
It answers, receives energy converter 3 by analog to digital conversion circuit and connect digital signal processor, send energy converter 1 and pass through digital-to-analogue conversion electricity
Road connects digital signal processor.Digital signal processor carries out demodulation process to the first electric signal by OFDM algorithm.
Also there is microprocessor in watertight cabin 2；Microprocessor connects digital signal processor, for the first electric signal
It is further processed.
The network transmission protocol generally divides physical layer, data link layer, network layer and application layer.Digital signal processor is to
One electric signal carries out the processing in terms of physical layer and data link layer, microprocessor be used to carry out the first electric signal network layer and
Processing in terms of application layer.
Preferably, it receives energy converter 3 and digital signal processor is connected by signal conditioning circuit.Signal conditioning module circuit
Received first electrical signal of energy converter 3 will be received to be filtered, amplify, exporting after offset adjustment and give analog-to-digital conversion electricity
Road.
Preferably, it sends energy converter 1 and digital signal processor is connected by signal amplification circuit, signal amplification circuit will count
The power for the signal that word signal processor is disposed amplifies, and such signal is stronger, is not easy to be distorted in transmission.
In scheme provided by the present application, deep-sea communication network node equipment receives underwater sound signal by receiving energy converter 3,
And underwater sound signal is converted into the first electric signal, watertight cabin 2 is handled the first electric signal according to predetermined manner, forms the
Two electric signals, transmission energy converter 1 receives the second electric signal and the second electric signal is converted to underwater sound signal and sends, by connecing
It receives energy converter 3, watertight cabin 2 and sends energy converter 1 and complete underwater sound communication in complete deep-sea.Since node device is arranged in depth
Sea, avoid node device be exposed to horizontal line nearby be easily damaged；Signal transmission carries out in deep-sea, it is not easy to it is trapped,
Improve safety；Noise is small in deep-sea, interferes small, influences on the communication quality of communication channel and rate smaller, the bit error rate is low,
Traffic rate is fast.
Further, in the communication network of deep-sea, if comprising two or more deep-sea communication network node equipment,
It is communicated to connect between the communication network node equipment of any two deep-sea by ad hoc network protocol realization.Deep-sea in the present embodiment is logical
AODV (Ad hoc On-demand Distance Vector Routing) can be used from group between communication network node device
FidonetFido realizes communication connection, and AODV ad hoc network agreement is a kind of on-demand routing protocol, by AODV Routing for On-Demand Protocol in MANET, respectively
Deep-sea communication network node equipment realizes route querying, reparation, maintenance function automatically.
In the communication network of deep-sea, if signal transmitting terminal and signal receiving end distance are shorter, signal transmitting terminal and signal are connect
Receiving end directly can also establish communication connection by a deep-sea communication network node equipment.
Preferably, ad hoc network agreement is adaptive dynamic ad hoc network agreement.In the prior art, communication network node equipment
Between relatively mostly use the ad hoc network agreement of competitive way, lead to not coordinate channel confliction, channel utilization is lower, causes slow
Rush the elongated of area.And adaptive dynamic ad hoc network agreement uses the scheduling channel access mechanism of Lothrus apterus, deep-sea communication network
Node device it is adjacent twice send signal between, as long as the buffer area in cache data can next time transmitting signal before energy
Enough to be all sent, would not cause buffer area continues elongated or even spilling, not will cause channel confliction, channel utilization
It is high.
Fig. 2 is a kind of structure chart of the deep-sea communication network node equipment shown according to another exemplary embodiment, reference
Fig. 2, the deep-sea communication network node equipment in some embodiments, watertight cabin 2 includes: fault diagnosis circuit 4, for watertight
Circuit in cabin 2 carries out fault diagnosis.
Deep-sea communication network node equipment inevitably will appear fault problem in use, due to watertight
It include fault diagnosis circuit 4 in cabin 2, fault diagnosis circuit 4 can pass through the fault information of diagnosis in watertight cabin 2
Digital signal processor processes at circuit alarm, then by send energy converter 1 be sent to signal receiving end, staff
Deep-sea communication network node equipment can be repaired by receiving circuit alarm.
Further, referring to Fig. 2, watertight cabin 2 further include: memory 5, for storing the diagnosis of fault diagnosis circuit 4
Fault message.5 connecting fault diagnostic circuit 4 of memory, fault diagnosis circuit 4 also send the fault information of diagnosis to and deposit
Reservoir 5,5 storage circuit fault message of memory.By 5 storage circuit fault message of memory, first is that can be maintenance personal
Fault information is provided, second is that can compare to the multiple fault message of storage, sums up that position is easy event
Barrier, to this position, emphasis is protected.
Fig. 3 is a kind of structure chart of deep-sea communication network node equipment shown according to an exemplary embodiment, referring to figure
3, the deep-sea communication network node equipment in some embodiments, further includes:
Underwater electrical connector 6 is used for expanding communication interface；
Communication interface repairs deep-sea communication network node equipment for accessing maintenance of equipment.
Underwater electrical connector 6 uses 10 core underwater electrical connectors 6, is used for extending controller local area network (Controller Area
Network, CAN) communication interface or asynchronous transmission standard (RS232) communication interface, underwater electrical connector 6 is deep-sea communication network section
Point device extends communication interface, and communication interface repairs deep-sea communication network node equipment for accessing maintenance of equipment.
Preferably, underwater electrical connector 6 can be, but not limited to as Subconn underwater electrical connector 6.
Node device is powered according to conventional batteries, on the one hand due to energy constraint, when leading to equipment communication distance, work
Between be limited and it is necessary to taking multiple technologies as much as possible reduces the power consumption of equipment, and equipment and technology complexity is caused to greatly increase.
Referring to Fig. 3, deep-sea communication network node equipment in some embodiments, deep-sea communication network node equipment is by the temperature difference
Battery 7 provides power supply.
Thermoelectric cell 7 is so that thermal energy is converted into the device of electric energy using temperature difference.Thermoelectric performance stabilization, nothing
It needs to safeguard, the obvious temperature difference can be generated in deep-sea, thermoelectric cell 7 is applied in the node device being arranged in deep-sea at signal
Manage device and microprocessor power supply, node device can control oneself the 10-15 that powers, and accomplish substantially non-maintaining；On the other hand section is simplified
Point device technology complexity allows volume smallizationer of node device, facilitates setting.
Preferably, transformer need to be accessed when thermoelectric cell 7 is powered to deep-sea communication network node equipment.Since deep-sea communicates
Voltage needed for each component of apparatus for network node works is different, so being carried out by transformer to 7 output voltage of thermoelectric cell different
The decompression of grade, the voltage transformation that thermoelectric cell 7 is conveyed are electricity needed for being suitble to the work of deep-sea communication network node equipment components
Pressure.
Preferably, thermoelectric cell 7 also has battery monitoring circuit, and battery monitoring circuit is used to monitor the work of thermoelectric cell 7
Make situation, and send battery failures signal to watertight cabin 2 after thermoelectric cell 7 goes wrong, watertight cabin 2 is by battery failures
Signal is sent to signal receiving end by sending energy converter 1, and staff carries out thermoelectric cell 7 after receiving battery failures signal
Replacement.
Preferably, thermoelectric cell 7 can be, but not limited to as isotope thermoelectric cell 7.
Referring to Fig. 3,1 device of energy converter is sent in order to prevent and reception energy converter 3 interferes with each other, while being changed to improve transmission
Energy 1 device of device and the working efficiency for receiving energy converter 3, will send 1 device of energy converter and reception energy converter 3 is separately positioned on watertight cabin
2 both ends send 1 device of energy converter in order to prevent and receive energy converter 3 and destroyed by marine organisms or reef etc., some embodiments
In deep-sea communication network node equipment, watertight cabin 2 is externally provided with protective fence 8.
Preferably, the material of watertight cabin 2 uses anodized technology using high-intensitive aluminum matrix composite, surface
And it is coated with nanometer silver coating and adheres to prevent seawater corrosion and marine organisms.
Preferably, watertight cabin 2 is cylindrical body.Since deep-sea communication network node equipment works in deep-sea, adopt
It is more preferable with cylindric shell anti-pressure ability.
Fig. 4 is a kind of structure chart of deep-sea communications network system shown according to an exemplary embodiment, referring to Fig. 4, one
Kind deep-sea communications network system, including two or more such as the deep-sea communication network node equipment of any of the above item.A equipment
For signal transmitting terminal, B device is signal receiving end, and signal is if desired passed to B device from A equipment, then signal is transmitted from A equipment
To node device 1, it is transmitted to node device 2 from node device 1, and so on, it is transmitted to node device N from node device N-1,
It is transmitted to B device from node device N, completes the signal transmission in the communications network system of deep-sea.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present application, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present application, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be by the application
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of deep-sea communication network node equipment characterized by comprising receive energy converter, watertight cabin and send transducing
Device；
The reception energy converter is converted to the first electric signal for receiving underwater sound signal, and by the underwater sound signal；
The watertight cabin, for receiving first electric signal, and according to predetermined manner to first electric signal at
Reason forms the second electric signal；
Second electric signal is converted to underwater sound signal, concurrently for receiving second electric signal by the transmission energy converter
Send the underwater sound signal converted and finished.
2. communication network node equipment in deep-sea according to claim 1, which is characterized in that in the communication network of deep-sea, if
Comprising communication network node equipment in deep-sea described in two or more, then communication network node equipment in deep-sea described in any two
Between communicated to connect by ad hoc network protocol realization.
3. communication network node equipment in deep-sea according to claim 2, which is characterized in that the ad hoc network agreement is adaptive
The dynamic ad hoc network agreement answered.
4. communication network node equipment in deep-sea according to claim 1-3, which is characterized in that the watertight cabin
It include: fault diagnosis circuit, for carrying out fault diagnosis to the intracorporal circuit of the watertight compartment.
5. communication network node equipment in deep-sea according to claim 1-3, which is characterized in that the deep-sea communication
Apparatus for network node further include:
Underwater electrical connector is used for expanding communication interface.
6. communication network node equipment in deep-sea according to claim 5, which is characterized in that the communication interface is logical for CAN
Believe interface or RS232 communication interface.
7. communication network node equipment in deep-sea according to claim 6, which is characterized in that the deep-sea communication network node
Equipment provides power supply by thermoelectric cell.
8. communication network node equipment in deep-sea according to claim 6, which is characterized in that the watertight compartment is equipped with anti-in vitro
Guardrail.
9. communication network node equipment in deep-sea according to claim 6, which is characterized in that the material of the watertight cabin is adopted
With high-intensitive aluminum matrix composite, surface is using anodized technology and is coated with a nanometer silver coating.
10. a kind of deep-sea communications network system, which is characterized in that pass through two or two between signal transmitting terminal and signal receiving end
A described in any item deep-sea communication network node equipment of the above claim 1-9 are communicated.
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