CN102684741B - Underwater communication device and method - Google Patents
Underwater communication device and method Download PDFInfo
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- CN102684741B CN102684741B CN201110405940.5A CN201110405940A CN102684741B CN 102684741 B CN102684741 B CN 102684741B CN 201110405940 A CN201110405940 A CN 201110405940A CN 102684741 B CN102684741 B CN 102684741B
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Abstract
The invention relates to an underwater communication device and an underwater communication method and belongs to the technical field of underwater communication. The underwater communication device comprises an overwater signal system and a corresponding underwater signal system, wherein the overwater signal system consists of an overwater signal transmitter and a signal receiver or a signal transceiver, the underwater signal system consists of an underwater signal receiver and a signal transmitter or a signal transceiver, the overwater signal system and the underwater signal system are connected through a cabled signal path, the cabled signal path is a cable rope made of ferromagnetic materials, a parallel cable wire made of ferromagnetic materials is arranged besides the ferromagnetic cable rope, and the two ends of the ferromagnetic cable wire are in magnetic connection with the two ends of the ferromagnetic cable rope. The one-way or two-way communication between an underwater operation device and a water surface ship or an onshore controller can be realized, in addition, the structure is simple, and the realization is easy.
Description
Technical field
The present invention relates to a kind of underwater communication device and method, belong to subsurface communication technical field.
Background technology
In the application of existing subsurface communication technology, have the signal of telecommunication of employing to communicate, be generally underwater working device by be connected to surface vessel or on the bank the cable of supervising device communicate.Also there is the long-wave communication of employing.In water, decay very soon due to shortwave, the communication of underwater wireless electric wave usually adopts long wave and very long wave communication, is received as master with passive.Because the propagation attenuation of electromagnetic wave in aqueous medium is very large, reach 2dB/m, utilize radio to carry out the distance of subsurface communication very short, so usually need underwater installation emerge or reception antenna is stretched out to the water surface, receive surface vessel or supervising device sends information on the bank.In conventional art, underwater installation also has with communicating by letter on the bank or between lash ship the case that adopts light signal.For example: Fudan University discloses a kind of " underwater sailing body communication means and system based on underwater optical cable " (201110006252.1) this system by laying fiber cable network, build passive sound reception net, realize the one-way communication of underwater sailing body and land base station, this scheme need to be laid communications optical cable in advance, and this point has limited its application.
Summary of the invention
The object of the invention is to solve in existing subsurface communication method propagation distance short, need to lay in advance the problems such as communications optical cable, and propose a kind of underwater communication device.
The present invention solves the problems of the technologies described above to propose a kind of magnetic communication device under water based on ferromagnetic material, this device comprises the signal system waterborne being made up of sender unit waterborne, signal receiver or signal transceiver and the underwater signal system being made up of underwater signal receiver, sender unit or signal transceiver of answering in contrast, between signal system waterborne and underwater signal system, be connected by wire signal path, described wire signal path is the cable that ferromagnetic material is made.
Described sender unit comprises processor, transmitted signal transducer and magnet exciting coil, the output of processor is connected with the input of transmitted signal transducer, the output of transmitted signal transducer is connected with magnet exciting coil, magnet exciting coil is located on the cable of transmitting terminal, described signal receiver comprises processor, receiving signal conversion equipment and magnetic inductor, magnetic inductor string is located on the ferromagnetic cable of receiving terminal, be connected with ferromagnetic cable magnetic, receiving signal conversion equipment input is connected with magnetic inductor, the output of receiving signal conversion equipment is connected with the input of processor.
Described signal transceiver comprises processor, receiving and transmitting signal transducer, magnet exciting coil and magnetic inductor, processor is connected with receiving and transmitting signal transducer, receiving and transmitting signal transducer is connected with magnetic inductor with magnet exciting coil respectively, magnet exciting coil is located on ferromagnetic cable, and magnetic inductor string is located on ferromagnetic cable.
Described ferromagnetic cable is other is also provided with a parallel cable of being made up of ferromagnetic material, and the two ends of this ferromagnetic cable are connected with the two ends magnetic of described ferromagnetic cable, and are all coated with Copper Foil on ferromagnetic cable and ferromagnetic cable, in order to carry out magnetic isolation.
At least one in described sender unit and signal receiver is arranged on underwater working device.
Between described magnet exciting coil and magnetic inductor and signal converter, adopt watertight cable and watertight connector to be connected.
In described signal receiver and signal transceiver, also comprise modulate circuit, the input of modulate circuit is connected with receiving and transmitting signal transducer with receiving signal conversion equipment, for the signal of telecommunication receiving is amplified, filtering, rectification and analog-to-digital conversion.
Circuit part in described underwater communication device is provided with magnetic shielding device, in order to avoid circuit to be subject to magnetic disturbance.
The present invention also goes out a kind of subsurface communication method, and the concrete steps of the method are as follows:
1). the signal that carries out the two ends of subsurface communication passes through sender unit, signal receiver or signal transceiver with the form of magnetic signal;
2). the field signal obtaining is transmitted taking ferromagnetic material as transmission medium.
Described sender unit comprises processor, transmitted signal transducer and magnet exciting coil, the output of processor is connected with the input of transmitted signal transducer, the output of transmitted signal transducer is connected with magnet exciting coil, magnet exciting coil is located on the cable of transmitting terminal, described signal receiver comprises processor, receiving signal conversion equipment and magnetic inductor, magnetic inductor string is located on the ferromagnetic cable of receiving terminal, be connected with ferromagnetic cable magnetic, receiving signal conversion equipment input is connected with magnetic inductor, the output of receiving signal conversion equipment is connected with the input of processor.
Described signal transceiver comprises processor, receiving and transmitting signal transducer, magnet exciting coil and magnetic inductor, processor is connected with receiving and transmitting signal transducer, receiving and transmitting signal transducer is connected with magnetic inductor with magnet exciting coil respectively, magnet exciting coil is located on ferromagnetic cable, and magnetic inductor string is located on ferromagnetic cable.
The transmission medium of described ferromagnetic material is to connect the ferromagnetic cable at subsurface communication two ends and a parallel cable of being made up of ferromagnetic material in the other setting of this cable, the two ends of this ferromagnetic cable are connected with the two ends magnetic of described ferromagnetic cable, and on ferromagnetic cable and ferromagnetic cable, be all coated with Copper Foil, in order to carry out magnetic isolation.
In described transmitting terminal and receiving terminal, have at least one end to be arranged on underwater working device.
Described sending and receiving signal adopts identical water system magnetic communication system, and excitation signal adopts switching value control, serial transmitting-receiving, the system that baud rate is consistent.
Beneficial effect of the present invention: the present invention is by arranging transmitted signal transducer and magnet exciting coil at transmitting terminal, at receiving terminal, magnetic inductor and receiving signal conversion equipment are set, first signal to be sent is converted into after the magnetic flux letter signal of telecommunication by magnet exciting coil taking ferromagnetic material as transmission medium, be sent to receiving terminal, receiving terminal converts the magnetic signal receiving to the signal of telecommunication by magnetic inductor.The present invention is simple in structure, easily realizes.
Brief description of the drawings
Fig. 1 is the schematic diagram of magnetic communication device under water based on ferromagnetic material;
Fig. 2 is two-way magnetic flux communication system schematic diagram;
Fig. 3 is surface vessel or supervising device is unidirectional on the bank sends command system schematic diagram to underwater working device;
Fig. 4 is that underwater work system is unidirectional to surface vessel or the data system of supervising device transmission on the bank schematic diagram;
Fig. 5 is the system schematic that microprocessor sends data or instruction;
Fig. 6 is the system schematic that microprocessor receives data or instruction;
Fig. 7 is the system schematic that RS485 communication bus sends data or instruction;
Fig. 8 is the system schematic that RS485 communication bus receives data or instruction;
Fig. 9 is the system schematic that parallel communication bus sends data or instruction;
Figure 10 is the system schematic that parallel communication bus receives data or instruction.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
The embodiment mono-of a kind of underwater communication device of the present invention
Underwater communication device in this embodiment is bidirectional communication apparatus, signal transceiver is all installed on underwater working device and surface vessel or on the bank supervising device, as depicted in figs. 1 and 2, underwater working device and surface vessel or the on the bank ferromagnetic cable 1 of supervising device are connected, be arranged on surface vessel or on the bank the signal transceiver of control device comprise: the magnetic inductor 5-a of surface vessel or on the bank control device, the microprocessor 4-a of surface vessel or on the bank control device, the receiving and transmitting signal transducer 3-a of the magnet exciting coil 2-a of surface vessel or on the bank control device and surface vessel or on the bank control device, magnetic inductor 5-a is connected with receiving and transmitting signal transducer 3-a with magnet exciting coil 2-a, receiving and transmitting signal transducer 3-a is connected with microprocessor 4-a, magnetic inductor 5-a string is located at surface vessel or on the ferromagnetic cable 1 that control device is connected on the bank and is connected with ferromagnetic cable 1 magnetic, magnet exciting coil 2-a is located in surface vessel or on the ferromagnetic cable 1 that control device is connected on the bank, be arranged on the magnetic inductor 5-b that transceiver on underwater working device comprises underwater working device, the microprocessor 4-b of underwater working device, the transmitting-receiving electric signal transducer 3-b of the magnet exciting coil 2-b of underwater working device and underwater working device, magnet exciting coil 2-b is connected with receiving and transmitting signal transducer 3-b with magnetic inductor 5-b, receiving and transmitting signal transducer 3-b is connected with microprocessor 4-b, magnetic inductor 5-b string is located on the ferromagnetic cable 1 that is connected with underwater working device and is connected with ferromagnetic cable 1 magnetic, magnet exciting coil 2-b is located on the ferromagnetic cable 1 being connected with underwater working device.
Its course of work is as follows: when surface vessel or when supervising device need to be to underwater working device move instruction or data on the bank, by microprocessor 4-a, send communication data (digital signal), by receiving and transmitting signal transducer 3-a, communication data is converted to the excitation signal of telecommunication (carrying out power amplification) that drives induction coil 2-a, the effect of the excitation signal of telecommunication and magnet exciting coil 2-a are excitatory, field signal is transmitted to underwater working device by ferromagnetic cable 1, detect magnetic field parameter and the detection signal of telecommunication is sent to receiving and transmitting signal transducer 3-b by magnetic inductor 5-b, receiving and transmitting signal transducer 3-b amplifies the signal of telecommunication detecting, filtering, analog-to-digital conversion, shaping, then send the microprocessor 4-b of underwater working device to, when underwater working device need to surface vessel or on the bank supervising device transmit when data, similar with said process, but signal transfer line is just in time contrary,---underwater working device receiving and transmitting signal transducer 3-b---underwater working device magnet exciting coil 2-b---ferromagnetic cable 1---the magnetic inductor 5-a of surface vessel or on the bank supervising device---surface vessel or on the bank supervising device anti T-R device 3-a---surface vessel or on the bank supervising device microprocessor 4-a from underwater working device microprocessor 4-b.
The embodiment bis-of a kind of underwater communication device of the present invention
Underwater communication device in this embodiment is one-way communication device, another signal receiver of installation sender unit in underwater working device and surface vessel or on the bank supervising device, underwater working device and surface vessel or the on the bank ferromagnetic cable 1 of supervising device are connected, as shown in Figure 3 and Figure 4, in Fig. 3, sender unit is arranged on surface vessel or supervising device on the bank, comprise surface vessel or the magnet exciting coil 2-a of control device on the bank, the microprocessor 4-a of surface vessel or on the bank control device and transmitted signal transducer 6, the input of transmitted signal transducer 6 is connected with microprocessor 4-a, the output of transmitted signal transducer 6 is connected with magnet exciting coil 2-a, magnet exciting coil 2-a is located in surface vessel or on the ferromagnetic cable 1 that supervising device is connected on the bank, signal receiver is arranged on underwater working device, comprise the magnetic inductor 5-b of underwater working device, underwater working device microprocessor 4-b and receiving signal conversion equipment 7, the input of receiving signal conversion equipment 7 is connected with magnetic inductor 5-b, the output of signal converter 7 is connected with microprocessor 4-b, magnetic inductor 5-b string is located at the most close ferromagnetic cable 1 position and is connected with ferromagnetic cable 1 magnetic, in Fig. 4, magnetic communication transmitters is arranged on underwater working device, and magnetic communication sink is arranged on surface vessel or on the bank in supervising device, its concrete annexation is described above, just no longer describes in detail here.
Its concrete course of work is as follows: if only need be from underwater working device to relevant surface vessel or on the bank supervising device transmit data, as shown in Figure 3, its information transfer process is: surface vessel or on the bank supervising device microprocessor 4-a---transmitted signal transducer 6---surface vessel or on the bank supervising device magnet exciting coil 2-a---ferromagnetic cable 1---the magnetic inductor 5-b of underwater working device---receiving signal conversion equipment 7---underwater working device microprocessor 4-b; If surface vessel or on the bank supervising device transmit data to underwater working device, as shown in Figure 4, its information transfer process is: underwater working device microprocessor 4-b---transmitted signal transducer 6---underwater working device magnet exciting coil 2-b---ferromagnetic cable 1---the magnetic inductor 5-a of surface vessel or on the bank supervising device---receiving signal conversion equipment 7---surface vessel or on the bank supervising device microprocessor 4-a.
The embodiment tri-of a kind of underwater communication device of the present invention
It shown in Fig. 5 and Fig. 6, is the embodiment taking microprocessor 4 as communication core, microprocessor 4 can adopt single-chip microcomputer, digital signal processor, Programmable Logic Controller etc., microprocessor 4 outputs to communication data or instruction in transmitted signal transducer 6 by the communication interface of self configuration, transmitted signal transducer 6 completes microprocessor 4 and exports data or the instruction electric and power conversion to the excitation signal of telecommunication, this conversion can rely on communication data or the instruction that microprocessor 4 is exported to go the output of controlling DC power supply to realize as control signal, the signal of telecommunication after conversion outputs in magnet exciting coil 2.Magnet exciting coil 2 produces magnetic field and magnetizes ferromagnetic cable 1, magnetic inductor 5 is responded to the magnetic field parameter (as magnetic flux density etc.) in ferromagnetic cable 1, magnetic inductor 5 can adopt Hall element, magnetoelectric sensor etc., can be that switching value output can be also analog output.Receive electric signal transducer 7 and receive the signal of telecommunication that magnetic inductor 5 is exported, and be converted into the signal of telecommunication that microprocessor 4 can identification, receive electric signal transducer 7 and be mainly amplifying circuit, filter circuit, modulate circuit and analog to digital conversion circuit (when magnetic inductor 5 is selected during for analog signal output) etc., by microprocessor 4 received communication data or the instructions of receiving terminal.
The embodiment tetra-of a kind of underwater communication device of the present invention
Fig. 7 and Figure 8 shows that the embodiment taking RS485 communication bus 8 as communication data source and destination.Wherein RS485 is underwater working device, surface vessel or the communication bus of multi-micro processor system in supervising device on the bank, transmitting terminal, the communication data that RS485 communication bus interface 8 is sent, controlling grammed switch 9 moves, control the electrical connection of field power supply 10 and magnet exciting coil 2, make the field signal reflection communication data in ferromagnetic cable 1; Receiving terminal, magnetic inductor 5 detects field signal in ferromagnetic cable 1, is converted to the corresponding signal of telecommunication, is input to modulate circuit 11.Modulate circuit 11 mainly comprises amplification, filtering, shaping and analog-to-digital conversion, and modulate circuit 11 output signals are given receiving terminal RS485 communication bus 8.
The embodiment five of a kind of underwater communication device of the present invention
Fig. 9 and Figure 10 shows that the embodiment taking parallel communication bus 14 as communication data source and destination.Wherein parallel communication bus 14 is underwater working devices, the communication bus of multi-micro processor system in surface vessel or on the bank supervising device, transmitting terminal, the parallel communications data that parallel communication bus interface 14 sends, give buffer 13, buffer 13 is coordinated parallel communications at a high speed and is believed with the magnetic flux of relative low speed, play cushioning effect, buffer 13 is sent parallel data into shift unit 15, and be shifted device 15 and be converted to serial data, this serial data control grammed switch 9 moves, control the electrical connection of field power supply 10 and magnet exciting coil 2, make the field signal reflection communication data in ferromagnetic cable 1, wherein, the co-ordination of shift unit 15 and buffer 13 is completed by time schedule controller 12, time schedule controller 12 can be by microprocessor, digital circuit, Programmable Logic Device, the realizations such as programmable gate array, receiving terminal, magnetic inductor 5 detects field signal in ferromagnetic cable 1, be converted to the corresponding signal of telecommunication, be input to modulate circuit 11, modulate circuit 11 mainly comprises amplification, filtering, shaping and analog-to-digital conversion, modulate circuit 11 output digit signals, give shift unit 15 and be converted into parallel data, cushion and received by parallel communication bus 14 through buffer 13, wherein, the co-ordination of shift unit 15 and buffer 13 is completed by time schedule controller 12.
The embodiment of a kind of subsurface communication method of the present invention
Illustrate as an example of underwater working device and relevant surface vessel or the communication between supervising device on the bank example below, underwater working device and relevant surface vessel or on the bank one-way communication between supervising device, also can be two-way communication, underwater working device and relevant surface vessel or between supervising device, connect by ferromagnetic cable on the bank, the concrete steps of its communication means are as follows:
1. the signal that carries out the two ends of subsurface communication passes through sender unit, signal receiver or signal transceiver with the form of magnetic signal, its detailed process is as follows: taking magnet exciting coil and magnetic inductor as energy conversion elements, believe the interface of communicating by letter with traditional electrical taking transmitting-receiving electric signal transducer as magnetic flux, realize the transfer process of the traditional communication signal of telecommunication-magnetic flux letter signal of telecommunication-magnetic signal and the magnetic signal-magnetic flux letter signal of telecommunication-traditional communication signal of telecommunication;
2. the field signal obtaining is transmitted taking ferromagnetic material as transmission medium, the transmission medium of this ferromagnetic material is to connect the ferromagnetic cable at subsurface communication two ends and a parallel cable of being made up of ferromagnetic material in the other setting of this cable, the two ends of this ferromagnetic cable are connected with the two ends magnetic of described ferromagnetic cable, and on ferromagnetic cable and ferromagnetic cable, be all coated with Copper Foil, in order to carry out magnetic isolation.
Claims (10)
1. a underwater communication device, comprise by sender unit waterborne, the signal system waterborne that signal receiver or signal transceiver form and answer in contrast by underwater signal receiver, the underwater signal system that sender unit or signal transceiver form, described underwater signal system is installed on underwater working device, between signal system waterborne and underwater signal system, be connected by wire signal path, it is characterized in that: described wire signal path is the cable that ferromagnetic material is made, described cable is the cable that connects supervisory control system waterborne and underwater working device, described ferromagnetic cable side is also provided with a parallel cable of being made up of ferromagnetic material, the two ends of this ferromagnetic cable are connected with the two ends magnetic of described ferromagnetic cable, and be all coated with Copper Foil on ferromagnetic cable and ferromagnetic cable, in order to carry out magnetic isolation.
2. underwater communication device according to claim 1, it is characterized in that: described sender unit comprises processor, transmitted signal transducer and magnet exciting coil, the output of processor is connected with the input of transmitted signal transducer, the output of transmitted signal transducer is connected with magnet exciting coil, magnet exciting coil is located on the cable of transmitting terminal, described signal receiver comprises processor, receiving signal conversion equipment and magnetic inductor, magnetic inductor string is located on the ferromagnetic cable of receiving terminal, be connected with ferromagnetic cable magnetic, receiving signal conversion equipment input is connected with magnetic inductor, the output of receiving signal conversion equipment is connected with the input of processor.
3. underwater communication device according to claim 1, it is characterized in that: described signal transceiver comprises processor, receiving and transmitting signal transducer, magnet exciting coil and magnetic inductor, processor is connected with receiving and transmitting signal transducer, receiving and transmitting signal transducer is connected with magnetic inductor with magnet exciting coil respectively, magnet exciting coil is located on ferromagnetic cable, and magnetic inductor string is located on ferromagnetic cable.
4. according to the underwater communication device described in claim 2 or 3, it is characterized in that: between described magnet exciting coil and magnetic inductor and signal converter, adopt watertight cable and watertight connector to be connected.
5. according to the underwater communication device described in claim 2 or 3, it is characterized in that: in described signal receiver or signal transceiver, also comprise modulate circuit, the input of modulate circuit is connected with receiving signal conversion equipment or receiving and transmitting signal transducer, for the signal of telecommunication receiving is amplified, filtering, rectification and analog-to-digital conversion.
6. underwater communication device according to claim 5, is characterized in that: the circuit part in described underwater communication device is provided with magnetic shielding device, in order to avoid circuit to be subject to magnetic disturbance.
7. for a subsurface communication method for a kind of underwater communication device as claimed in claim 1, it is characterized in that: the concrete steps of this subsurface communication method are:
1). the signal that carries out the two ends of subsurface communication passes through sender unit, signal receiver or signal transceiver with the form of magnetic signal;
2). the field signal obtaining is transmitted taking ferromagnetic material as transmission medium.
8. subsurface communication method according to claim 7, it is characterized in that: described sender unit comprises processor, transmitted signal transducer and magnet exciting coil, the output of processor is connected with the input of transmitted signal transducer, the output of transmitted signal transducer is connected with magnet exciting coil, magnet exciting coil is located on the cable of transmitting terminal, described signal receiver comprises processor, receiving signal conversion equipment and magnetic inductor, magnetic inductor string is located on the ferromagnetic cable of receiving terminal, be connected with ferromagnetic cable magnetic, receiving signal conversion equipment input is connected with magnetic inductor, the output of receiving signal conversion equipment is connected with the input of processor.
9. subsurface communication method according to claim 7, it is characterized in that: described signal transceiver comprises processor, receiving and transmitting signal transducer, magnet exciting coil and magnetic inductor, processor is connected with receiving and transmitting signal transducer, receiving and transmitting signal transducer is connected with magnetic inductor with magnet exciting coil respectively, magnet exciting coil is located on ferromagnetic cable, and magnetic inductor string is located on ferromagnetic cable.
10. subsurface communication method according to claim 7, is characterized in that: described sending and receiving signal adopts identical baud rate, and excitation signal adopts switching value control, serial transmitting-receiving.
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| CN201110405940.5A CN102684741B (en) | 2011-12-08 | 2011-12-08 | Underwater communication device and method |
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| CN201110405940.5A CN102684741B (en) | 2011-12-08 | 2011-12-08 | Underwater communication device and method |
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| CN102684741B true CN102684741B (en) | 2014-06-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105655186B (en) * | 2014-11-17 | 2018-03-16 | 北京强度环境研究所 | Watertight mechanical formula travel switch |
| CN108156558B (en) * | 2017-11-28 | 2019-08-02 | 中国人民解放军海军潜艇学院 | A kind of underwater bi-pass communication device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0913867A (en) * | 1995-06-28 | 1997-01-14 | Reidetsuku:Kk | Underground information collecting device |
| JP2004096182A (en) * | 2002-08-29 | 2004-03-25 | Reideikku:Kk | Underwater or underground communication apparatus |
| WO2008015439A1 (en) * | 2006-08-03 | 2008-02-07 | Wireless Fibre Systems Ltd | Underwater communications |
| CN101228719A (en) * | 2005-06-13 | 2008-07-23 | 无线光纤系统有限公司 | Underwater communications system |
| CN202334515U (en) * | 2011-12-08 | 2012-07-11 | 河南科技大学 | Underwater communication device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110076940A1 (en) * | 2009-09-25 | 2011-03-31 | Mark Rhodes | Underwater wireless communications hotspot |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0913867A (en) * | 1995-06-28 | 1997-01-14 | Reidetsuku:Kk | Underground information collecting device |
| JP2004096182A (en) * | 2002-08-29 | 2004-03-25 | Reideikku:Kk | Underwater or underground communication apparatus |
| CN101228719A (en) * | 2005-06-13 | 2008-07-23 | 无线光纤系统有限公司 | Underwater communications system |
| WO2008015439A1 (en) * | 2006-08-03 | 2008-02-07 | Wireless Fibre Systems Ltd | Underwater communications |
| CN202334515U (en) * | 2011-12-08 | 2012-07-11 | 河南科技大学 | Underwater communication device |
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