CN102684741A - Underwater communication device and method - Google Patents
Underwater communication device and method Download PDFInfo
- Publication number
- CN102684741A CN102684741A CN2011104059405A CN201110405940A CN102684741A CN 102684741 A CN102684741 A CN 102684741A CN 2011104059405 A CN2011104059405 A CN 2011104059405A CN 201110405940 A CN201110405940 A CN 201110405940A CN 102684741 A CN102684741 A CN 102684741A
- Authority
- CN
- China
- Prior art keywords
- signal
- cable
- ferromagnetic
- receiving
- magnetic
- 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.)
- Granted
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
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 subsurface communication apparatus and method, belong to the subsurface communication technical field.
Background technology
In existing subsurface communication The Application of Technology, have and adopt the signal of telecommunication to communicate, generally be the underwater operation device through be connected surface vessel or on the bank the cable of supervising device communicate.Also have and adopt long-wave communication.Because shortwave is decayed very soon in water, long wave and very long wave communication are usually adopted in the communication of underwater wireless electric wave, are received as the master with passive.Because the propagation attenuation of electromagnetic wave in aqueous medium is very big; Reach 2dB/m; It is very short to utilize radio to carry out the distance of subsurface communication, so usually need underwater installation to emerge or reception antenna is stretched out the water surface, receives surface vessel or the supervising device information of sending on the bank.In the conventional art underwater installation with on the bank or communicating by letter between lash ship the case that adopts light signal is also arranged.For example: Fudan University discloses a kind of " based on the underwater sailing body communication means and the system of underwater optical cable " (201110006252.1) this system through laying fiber cable network; Make up passive sound reception net; Realize the one-way communication of underwater sailing body and land base station; This scheme need be laid communications optical cable in advance, and this point has limited its application.
Summary of the invention
The objective of the invention is to solve propagation distance weak point in the existing subsurface communication method, need lay problems such as communications optical cable in advance, and propose a kind of subsurface communication device.
The present invention solves the problems of the technologies described above to propose a kind of T unit of magnetic flux under water based on ferromagnetic material; This device comprises signal system waterborne and the corresponding with it underwater signal system that is made up of underwater signal receiver, sender unit or signal transceiver that is made up of sender unit waterborne, signal receiver or signal transceiver; Be connected through the wire signal path between signal system waterborne and the underwater signal system, described wire signal path is the cable that ferromagnetic material is processed.
Described sender unit comprises processor, sends signal converter and magnet exciting coil; The output of processor links to each other with the input that sends signal converter; The output that sends signal converter links to each other with magnet exciting coil, and magnet exciting coil is located on the cable of transmitting terminal, and described signal receiver comprises processor, receiving signal conversion equipment and magnetic inductor; The magnetic inductor string is located on the ferromagnetic cable of receiving terminal; Be connected with ferromagnetic cable magnetic, the receiving signal conversion equipment input links to each other with magnetic inductor, and the output of receiving signal conversion equipment links to each other with the input of processor.
Described signal transceiver comprises processor, receiving and transmitting signal transducer, magnet exciting coil and magnetic inductor; Processor links to each other with the receiving and transmitting signal transducer; The receiving and transmitting signal transducer links to each other with magnetic inductor with magnet exciting coil respectively; Magnet exciting coil is located on the ferromagnetic cable, and the magnetic inductor string is located on the ferromagnetic cable.
Described ferromagnetic cable is other also to be provided with a parallel cable of being processed by ferromagnetic material, and the two ends of this ferromagnetic cable are connected with the two ends magnetic of described ferromagnetic cable, and all are coated with Copper Foil on ferromagnetic cable and the ferromagnetic cable, in order to carry out the magnetic isolation.
In described sender unit and the signal receiver at least one is installed on the underwater operation device.
Adopt watertight cable to be connected between described magnet exciting coil and magnetic inductor and the signal converter with watertight connector.
Also comprise modulate circuit in described signal receiver and the signal transceiver, the input of modulate circuit links to each other with the receiving and transmitting signal transducer with receiving signal conversion equipment, be used for to the signal of telecommunication that receives amplify, filtering, rectification and analog-to-digital conversion.
Circuit part in the described subsurface communication device is provided with magnetic shielding device, receives magnetic disturbance in order to avoid circuit.
The present invention also goes out a kind of subsurface communication method, and the concrete steps of this method are following:
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). with the field signal that obtains is that transmission medium transmits with the ferromagnetic material.
Described sender unit comprises processor, sends signal converter and magnet exciting coil; The output of processor links to each other with the input that sends signal converter; The output that sends signal converter links to each other with magnet exciting coil, and magnet exciting coil is located on the cable of transmitting terminal, and described signal receiver comprises processor, receiving signal conversion equipment and magnetic inductor; The magnetic inductor string is located on the ferromagnetic cable of receiving terminal; Be connected with ferromagnetic cable magnetic, the receiving signal conversion equipment input links to each other with magnetic inductor, and the output of receiving signal conversion equipment links to each other with the input of processor.
Described signal transceiver comprises processor, receiving and transmitting signal transducer, magnet exciting coil and magnetic inductor; Processor links to each other with the receiving and transmitting signal transducer; The receiving and transmitting signal transducer links to each other with magnetic inductor with magnet exciting coil respectively; Magnet exciting coil is located on the ferromagnetic cable, and the magnetic inductor string is located on the ferromagnetic cable.
The transmission medium of described ferromagnetic material is for the ferromagnetic cable that connects the subsurface communication two ends with at the parallel cable of being processed by ferromagnetic material of other of being provided with of this cable; The two ends of this ferromagnetic cable are connected with the two ends magnetic of described ferromagnetic cable; And all be coated with Copper Foil on ferromagnetic cable and the ferromagnetic cable, isolate in order to carry out magnetic.
Have at least an end to be installed on the underwater operation device in described transmitting terminal and the receiving terminal.
Described sending and receiving signal adopts identical water system magnetic flux letter system, and promptly 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 sends signal converter and magnet exciting coil through being provided with at transmitting terminal; At receiving terminal magnetic inductor and receiving signal conversion equipment are set; It is transmission medium with the ferromagnetic material that signal to be sent at first is converted into behind the magnetic flux letter signal of telecommunication through magnet exciting coil; Be sent to receiving terminal, receiving terminal converts the magnetic signal that receives to the signal of telecommunication through magnetic inductor.The present invention is simple in structure, is prone to realize.
Description of drawings
Fig. 1 is based on the T unit of the magnetic flux under water sketch map of ferromagnetic material;
Fig. 2 is two-way magnetic flux communication system sketch map;
Fig. 3 is a surface vessel or supervising device is unidirectional on the bank sends the command system sketch map to the underwater operation device;
Fig. 4 is that underwater work system is unidirectional to surface vessel or the data system of supervising device transmission on the bank sketch map;
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 the RS485 communication bus sends data or instruction;
Fig. 8 is the system schematic that the 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
Further specify below in conjunction with the accompanying drawing specific embodiments of the invention.
The embodiment one of a kind of subsurface communication device of the present invention
Subsurface communication device among this embodiment is a bidirectional communication apparatus; Underwater operation device and surface vessel or on the supervising device signal transceiver is installed all on the bank; As depicted in figs. 1 and 2; Underwater operation device and surface vessel or on the bank the ferromagnetic cable 1 of supervising device be connected; Be installed in surface vessel or on the bank the signal transceiver of control device comprise: surface vessel or magnetic inductor 5-a, surface vessel or microprocessor 4-a, surface vessel or magnet exciting coil 2-a and surface vessel or the receiving and transmitting signal transducer 3-a of control device on the bank of control device on the bank of control device on the bank of control device on the bank; Magnetic inductor 5-a links to each other with receiving and transmitting signal transducer 3-a with magnet exciting coil 2-a; Receiving and transmitting signal transducer 3-a links to each other with microprocessor 4-a, and magnetic inductor 5-a string is located at surface vessel or is connected on the ferromagnetic cable 1 that links to each other of control device and with ferromagnetic cable 1 magnetic on the bank, and magnet exciting coil 2-a is located in surface vessel or on the ferromagnetic cable 1 that control device links to each other on the bank; The transceiver that is installed on the underwater operation device comprises the magnetic inductor 5-b of underwater operation device, the microprocessor 4-b of underwater operation device, the magnet exciting coil 2-b of underwater operation device and the transmitting-receiving electric signal transducer 3-b of underwater operation device; Magnet exciting coil 2-b links to each other with receiving and transmitting signal transducer 3-b with magnetic inductor 5-b; Receiving and transmitting signal transducer 3-b links to each other with microprocessor 4-b; Magnetic inductor 5-b string is located on the ferromagnetic cable 1 that links to each other with the underwater operation device and with ferromagnetic cable 1 magnetic and is connected, on the ferromagnetic cable 1 that magnet exciting coil 2-b is located in the underwater operation device links to each other.
Its course of work is following: when surface vessel or when supervising device need be to move instruction of underwater operation device or data on the bank; By microprocessor 4-a; Send communication data (digital signal); Communication data is converted into the excitation signal of telecommunication (promptly carrying out power amplification) that drives induction coil 2-a by receiving and transmitting signal transducer 3-a; Effect of the excitation signal of telecommunication and magnet exciting coil 2-a are excitatory, and field signal is transmitted to the underwater operation device through ferromagnetic cable 1, are detected magnetic field parameter and will be detected the signal of telecommunication by magnetic inductor 5-b to be sent to receiving and transmitting signal transducer 3-b; Receiving and transmitting signal transducer 3-b with the detected signal of telecommunication amplify, filtering, analog-to-digital conversion, shaping, send the microprocessor 4-b of underwater operation device then to; When the underwater operation device need be to surface vessel or when supervising device transmits data on the bank; Similar with said process; But signal transfer line is just in time opposite,---underwater operation device receiving and transmitting signal transducer 3-b---underwater operation device magnet exciting coil 2-b---ferromagnetic cable 1---surface vessel or the magnetic inductor 5-a of supervising device on the bank---surface vessel or supervising device anti T-R device 3-a---on the bank surface vessel or supervising device microprocessor 4-a on the bank promptly from underwater operation device microprocessor 4-b.
The embodiment two of a kind of subsurface communication device of the present invention
Subsurface communication device among this embodiment is the one-way communication device; Underwater operation device and surface vessel or another signal receiver of installation sender unit in the supervising device on the bank; Underwater operation device and surface vessel or on the bank the ferromagnetic cable 1 of supervising device be connected, like Fig. 3 and shown in Figure 4, among Fig. 3; Sender unit is installed in surface vessel or supervising device on the bank; Comprise surface vessel or on the bank control device magnet exciting coil 2-a, surface vessel or on the bank control device microprocessor 4-a and send signal converter 6, the input that sends signal converter 6 links to each other with microprocessor 4-a, the output of transmission signal converter 6 links to each other 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 links to each other on the bank; Signal receiver is installed on the underwater operation device, comprises magnetic inductor 5-b, underwater operation device microprocessor 4-b and the receiving signal conversion equipment 7 of underwater operation device, and the input of receiving signal conversion equipment 7 links to each other with magnetic inductor 5-b; The output of signal converter 7 links to each other with microprocessor 4-b, and magnetic inductor 5-b string is located at and is connected near ferromagnetic cable 1 position and with ferromagnetic cable 1 magnetic; Among Fig. 4, magnetic flux letter transmitter is installed on the underwater operation device, and magnetic flux letter receiver is installed in surface vessel or on the bank in the supervising device, its concrete annexation just no longer details as stated here.
Its concrete course of work is following: if only need from the underwater operation device to relevant surface vessel or the data of supervising device transmission on the bank; As shown in Figure 3, its information transfer process is: surface vessel or supervising device microprocessor 4-a on the bank---send signal converter 6---surface vessel or supervising device magnet exciting coil 2-a---ferromagnetic cable 1---the magnetic inductor 5-b of underwater operation device---receiving signal conversion equipment 7---underwater operation device microprocessor 4-b on the bank; If surface vessel or on the bank supervising device transmit data to the underwater operation device; As shown in Figure 4, its information transfer process is: underwater operation device microprocessor 4-b---sends signal converter 6---underwater operation device magnet exciting coil 2-b---ferromagnetic cable 1---surface vessel or the magnetic inductor 5-a of supervising device---receiving signal conversion equipment 7---surface vessel or supervising device microprocessor 4-a on the bank on the bank.
The embodiment three of a kind of subsurface communication device of the present invention
Fig. 5 and shown in Figure 6 be to be the embodiment of communication core with microprocessor 4; Microprocessor 4 can adopt single-chip microcomputer, digital signal processor, Programmable Logic Controller etc.; Microprocessor 4 outputs to communication data or instruction in the transmission signal converter 6 through the communication interface of self configuration; Transmission signal converter 6 is accomplished microprocessor 4 dateouts or is instructed the electric and power conversion of the excitation signal of telecommunication; This conversion can rely on the communication data of microprocessor 4 outputs or instruct the output of going to control DC power supply as control signal to realize that the signal of telecommunication after conversion outputs in the magnet exciting coil 2.Ferromagnetic cable 1 is also magnetized in magnet exciting coil 2 generation magnetic fields; Magnetic field parameter in the ferromagnetic cable 1 of magnetic inductor 5 induction (like magnetic flux density etc.); Magnetic inductor 5 can adopt Hall element, magnetoelectric sensor etc., can be that switching value output also can be analog quantity output.Receive the signal of telecommunication that electric signal transducer 7 receives magnetic inductor 5 outputs; 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 exported for analog signal, selecting for use) etc., by the microprocessor 4 received communication data or the instructions of receiving terminal.
The embodiment four of a kind of subsurface communication device of the present invention
Fig. 7 and shown in Figure 8 be to be the embodiment on communication data source and destination ground with RS485 communication bus 8.Wherein RS485 is underwater operation device, surface vessel or the communication bus of multi-micro processor system in the supervising device on the bank; Transmitting terminal; The communication data that RS485 communication bus interface 8 is sent; 9 actions of control grammed switch, control field power supply 10 is electrically connected with magnet exciting coil 2, makes that the field signal in the ferromagnetic cable 1 reflects communication data; Receiving terminal, magnetic inductor 5 detect field signal in the ferromagnetic cable 1, convert the corresponding signal of telecommunication into, are 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 subsurface communication device of the present invention
Fig. 9 and shown in Figure 10 be to be the embodiment on communication data source and destination ground with parallel communication bus 14.Wherein parallel communication bus 14 is underwater operation device, surface vessel or the communication bus of multi-micro processor system in the supervising device on the bank, transmitting terminal, the parallel communications data that parallel communication bus interface 14 sends; Give buffer 13, buffer 13 is coordinated the magnetic flux letter of parallel communications at a high speed and relative low speed, plays cushioning effect; Buffer 13 is sent parallel data into shift unit 15; And be shifted device 15 and convert serial data into, these serial data control grammed switch 9 actions, control field power supply 10 is electrically connected with magnet exciting coil 2; Make the field signal in the ferromagnetic cable 1 reflect communication data; Wherein, the co-ordination of shift unit 15 and buffer 13 is accomplished by time schedule controller 12, and time schedule controller 12 can be by realizations such as microprocessor, digital circuit, PLD, programmable gate arrays; Receiving terminal, magnetic inductor 5 detect field signal in the ferromagnetic cable 1, convert the corresponding signal of telecommunication into; Be input to modulate circuit 11, modulate circuit 11 mainly comprises amplification, filtering, shaping and analog-to-digital conversion, modulate circuit 11 output digital signals; Give shift unit 15 and be converted into parallel data; Receive through buffer 13 bufferings and by parallel communication bus 14, wherein, the co-ordination of shift unit 15 and buffer 13 is accomplished by time schedule controller 12.
The embodiment of a kind of subsurface communication method of the present invention
Be that example is explained with the underwater operation device with relevant surface vessel or the communication between the supervising device on the bank below; Underwater operation device and relevant surface vessel or one-way communication between the supervising device on the bank; It also can be two-way communication; The underwater operation device is with relevant surface vessel or pass through ferromagnetic cable connection on the bank between the supervising device, and the concrete steps of its communication means are following:
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 following: with magnet exciting coil and magnetic inductor is energy conversion elements; With the transmitting-receiving electric signal transducer is the interface that the magnetic flux letter is communicated by letter with traditional electrical, realizes 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. be that transmission medium transmits with the ferromagnetic material with the field signal that obtains; The transmission medium of this ferromagnetic material is for the ferromagnetic cable that connects the subsurface communication two ends with at the parallel cable of being processed by ferromagnetic material of other of being provided with of this cable; The two ends of this ferromagnetic cable are connected with the two ends magnetic of described ferromagnetic cable; And all be coated with Copper Foil on ferromagnetic cable and the ferromagnetic cable, isolate in order to carry out magnetic.
Claims (14)
1. subsurface communication device; Comprise the signal system waterborne and the corresponding with it underwater signal system that constitutes by underwater signal receiver, sender unit or signal transceiver that constitute by sender unit waterborne, signal receiver or signal transceiver; Be connected through the wire signal path between signal system waterborne and the underwater signal system, it is characterized in that: described wire signal path is the cable that ferromagnetic material is processed.
2. subsurface communication device according to claim 1; It is characterized in that: described sender unit comprises processor, sends signal converter and magnet exciting coil, and the output of processor links to each other with the input that sends signal converter, and the output that sends signal converter links to each other 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, and the magnetic inductor string is located on the ferromagnetic cable of receiving terminal, is connected with ferromagnetic cable magnetic; The receiving signal conversion equipment input links to each other with magnetic inductor, and the output of receiving signal conversion equipment links to each other with the input of processor.
3. subsurface 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 links to each other with the receiving and transmitting signal transducer; The receiving and transmitting signal transducer links to each other with magnetic inductor with magnet exciting coil respectively, and magnet exciting coil is located on the ferromagnetic cable, and the magnetic inductor string is located on the ferromagnetic cable.
4. subsurface communication device according to claim 1; It is characterized in that: described ferromagnetic cable is other also to be provided with a parallel cable of being processed by ferromagnetic material; The two ends of this ferromagnetic cable are connected with the two ends magnetic of described ferromagnetic cable; And all be coated with Copper Foil on ferromagnetic cable and the ferromagnetic cable, isolate in order to carry out magnetic.
5. subsurface communication device according to claim 2 is characterized in that: at least one in described sender unit and the signal receiver is installed on the underwater operation device.
6. according to claim 2 or 3 described subsurface communication devices, it is characterized in that: adopt watertight cable to be connected between described magnet exciting coil and magnetic inductor and the signal converter with watertight connector.
7. according to claim 2 or 3 described subsurface communication devices; It is characterized in that: also comprise modulate circuit in described signal receiver and the signal transceiver; The input of modulate circuit links to each other with the receiving and transmitting signal transducer with receiving signal conversion equipment, be used for to the signal of telecommunication that receives amplify, filtering, rectification and analog-to-digital conversion.
8. subsurface communication device according to claim 7 is characterized in that: the circuit part in the described subsurface communication device is provided with magnetic shielding device, receives magnetic disturbance in order to avoid circuit.
9. subsurface communication method, 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). with the field signal that obtains is that transmission medium transmits with the ferromagnetic material.
10. subsurface communication method according to claim 9; It is characterized in that: described sender unit comprises processor, sends signal converter and magnet exciting coil, and the output of processor links to each other with the input that sends signal converter, and the output that sends signal converter links to each other 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, and the magnetic inductor string is located on the ferromagnetic cable of receiving terminal, is connected with ferromagnetic cable magnetic; The receiving signal conversion equipment input links to each other with magnetic inductor, and the output of receiving signal conversion equipment links to each other with the input of processor.
11. subsurface communication method according to claim 9; It is characterized in that: described signal transceiver comprises processor, receiving and transmitting signal transducer, magnet exciting coil and magnetic inductor; Processor links to each other with the receiving and transmitting signal transducer; The receiving and transmitting signal transducer links to each other with magnetic inductor with magnet exciting coil respectively, and magnet exciting coil is located on the ferromagnetic cable, and the magnetic inductor string is located on the ferromagnetic cable.
12. subsurface communication method according to claim 9; It is characterized in that: the transmission medium of described ferromagnetic material is for the ferromagnetic cable that connects the subsurface communication two ends with at the parallel cable of being processed by ferromagnetic material of other of being provided with of this cable; The two ends of this ferromagnetic cable are connected with the two ends magnetic of described ferromagnetic cable; And all be coated with Copper Foil on ferromagnetic cable and the ferromagnetic cable, isolate in order to carry out magnetic.
13. subsurface communication method according to claim 9 is characterized in that: have at least an end to be installed on the underwater operation device in described transmitting terminal and the receiving terminal.
14. subsurface communication method according to claim 9 is characterized in that: described sending and receiving signal adopts identical water system magnetic flux letter system, and promptly excitation signal adopts switching value control, serial transmitting-receiving, the system that baud rate is consistent.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110405940.5A CN102684741B (en) | 2011-12-08 | 2011-12-08 | Underwater communication device and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110405940.5A CN102684741B (en) | 2011-12-08 | 2011-12-08 | Underwater communication device and method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102684741A true CN102684741A (en) | 2012-09-19 |
CN102684741B CN102684741B (en) | 2014-06-04 |
Family
ID=46816177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110405940.5A Expired - Fee Related CN102684741B (en) | 2011-12-08 | 2011-12-08 | Underwater communication device and method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102684741B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105655186A (en) * | 2014-11-17 | 2016-06-08 | 北京强度环境研究所 | Watertight mechanical type stroke switch |
CN108156558A (en) * | 2017-11-28 | 2018-06-12 | 中国人民解放军海军潜艇学院 | A kind of underwater bi-pass communication device |
Citations (6)
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 |
US20110076940A1 (en) * | 2009-09-25 | 2011-03-31 | Mark Rhodes | Underwater wireless communications hotspot |
CN202334515U (en) * | 2011-12-08 | 2012-07-11 | 河南科技大学 | Underwater communication device |
-
2011
- 2011-12-08 CN CN201110405940.5A patent/CN102684741B/en not_active Expired - Fee Related
Patent Citations (6)
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 |
US20110076940A1 (en) * | 2009-09-25 | 2011-03-31 | Mark Rhodes | Underwater wireless communications hotspot |
CN202334515U (en) * | 2011-12-08 | 2012-07-11 | 河南科技大学 | Underwater communication device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105655186A (en) * | 2014-11-17 | 2016-06-08 | 北京强度环境研究所 | Watertight mechanical type stroke switch |
CN105655186B (en) * | 2014-11-17 | 2018-03-16 | 北京强度环境研究所 | Watertight mechanical formula travel switch |
CN108156558A (en) * | 2017-11-28 | 2018-06-12 | 中国人民解放军海军潜艇学院 | A kind of underwater bi-pass communication device |
Also Published As
Publication number | Publication date |
---|---|
CN102684741B (en) | 2014-06-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6074368B2 (en) | Underwater connector device | |
CN102267542A (en) | Non-contact electric energy supply and data transmission device for underwater sensor of buoy system | |
GB2477034A (en) | Subsea system providing inductive power transfer and acoustic and/or radio communication of navigation information and other data | |
CN108691534A (en) | A kind of downhole electromagnetic wireless telecommunication system and method | |
CN107508362A (en) | A kind of robot system for underwater wireless charging | |
CN209904995U (en) | Unmanned aerial vehicle hydrological buoy thrower | |
CN106486776B (en) | High-sensitivity long-wave omni-directional magnetic antenna | |
CN103984031B (en) | Ocean controllable source electromagnetic detecting transmitter underwater device and control method thereof | |
GB2474628A (en) | Underwater inductive communication using a large closed loop antenna, defining a wireless hotspot | |
CN112271830B (en) | Ocean buoy system for realizing parallel transmission of electric energy and data based on frequency division multiplexing | |
CN103955004A (en) | Four-channel nuclear magnetic resonance signal full-wave acquisition system and acquisition method | |
JP6471382B2 (en) | Magnetic wave antenna and magnetic wave communication apparatus using the same | |
CN102362438A (en) | Underwater communication system | |
CN202334515U (en) | Underwater communication device | |
CN102684741B (en) | Underwater communication device and method | |
CN114449468B (en) | Deep sea monitoring sensor and non-contact power supply and information transmission system | |
CN201029049Y (en) | Vehicle detecting system for inducing wireless position | |
CN114650084A (en) | Underwater magnetic induction communication omnidirectional receiving and transmitting antenna circuit and circuit parameter design method | |
CN205901754U (en) | High -speed laser communication system under water | |
CN205374657U (en) | Sea cable fault detection appearance | |
CN204836189U (en) | Radio communication simulation experiment device in pit | |
CN202309707U (en) | Repeater for cable depth controller | |
CN209328210U (en) | A kind of intelligent irrigation control system based on power carrier | |
CN213341767U (en) | Flexibly expandable power terminal equipment | |
JP3518161B2 (en) | Data communication device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20151208 |
|
EXPY | Termination of patent right or utility model |