CN117394925A - Full sea deep water data quasi-real-time observation system and method - Google Patents
Full sea deep water data quasi-real-time observation system and method Download PDFInfo
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- CN117394925A CN117394925A CN202310695538.8A CN202310695538A CN117394925A CN 117394925 A CN117394925 A CN 117394925A CN 202310695538 A CN202310695538 A CN 202310695538A CN 117394925 A CN117394925 A CN 117394925A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 144
- 230000008878 coupling Effects 0.000 claims abstract description 80
- 238000010168 coupling process Methods 0.000 claims abstract description 80
- 238000005859 coupling reaction Methods 0.000 claims abstract description 80
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 230000009471 action Effects 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000011084 recovery Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 238000007667 floating Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 4
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 3
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 3
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000006056 electrooxidation reaction Methods 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- -1 polyoxymethylene Polymers 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 230000007774 longterm Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 206010017472 Fumbling Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009351 contact transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 229910052741 iridium Inorganic materials 0.000 description 1
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Classifications
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention provides a data quasi-real-time observation system and a method under full sea deepwater, wherein the data quasi-real-time observation system under full sea deepwater comprises a sitting-bottom observation platform (3), a sitting-bottom anchor (4), underwater observation equipment (1), an acoustic releaser (2) and an electromagnetic coupling communication buoy (5); an electromagnetic coupling module (5.2) is arranged in the electromagnetic coupling communication buoy (5), and observation data of underwater observation equipment are transmitted to the electromagnetic coupling communication buoy in a cable-free mode through the electromagnetic coupling module; when the underwater data transmission is needed, the electromagnetic coupling communication buoy is actively separated from the bottom-mounted observation platform, floats up to the water surface under the action of positive buoyancy of the electromagnetic coupling communication buoy, and performs ad hoc network and/or satellite communication with other communication buoys or communication equipment. The invention can realize the low-cost, high-reliability and high-concealment quasi-real-time transmission of the underwater observation data of the whole sea depth.
Description
Technical Field
The invention relates to the technical field of ocean engineering, in particular to a system, a method and equipment for observing data in full sea deep water in quasi-real time.
Background
In the bottom-mounted underwater observation system, in order to enhance the concealment of the system, underwater observation equipment is arranged below the water surface at a plurality of depths, data are stored in the equipment, and the data are collected by a data transmission medium and sent to a shore station in a certain specific time period through a certain technical means, so that the real-time transmission process of the underwater data is realized.
The existing underwater data real-time transmission means mostly adopts an underwater winch mode of transmitting data by means of a communication cable, in order to ensure good concealment in a data acquisition stage, the winch is locked below the water surface, and does not work, when data transmission with a shore station is needed, the winch executes a cable releasing action, and the communication device outputs water under the action of self positive buoyancy to realize communication with the shore station.
The conventional underwater winch is in an unmanned state in real time transmission mode of underwater data, and has high requirements on winch winding, unwinding and corrosion resistance due to the fact that the system is in an unattended state for a long time, meanwhile, due to the fact that the underwater winch is complex in structure and low in long-term working reliability, most of the conventional underwater winch is in a fumbling stage, a long-term application example is lacking, and applicable water depth is shallow, system cost is high and is greatly influenced by sea conditions.
And for a large water depth sitting bottom observation system, the following limitations exist by means of cabled communication: 1. the observation data of the large-water-depth bottom-sitting observation system is transmitted to a water surface base station in a cabled mode, long communication cables are needed, the system is influenced by ocean currents, the system has large deflection, and the whole system is high in cost and low in reliability; 2. if acoustic communication is used, the signal attenuation is too large under the condition of large water depth, the transmission rate is low, and the position of the self is easy to be exposed when the self is actively transmitted.
Disclosure of Invention
The invention provides a quasi-real-time observation system and method for data in full sea and deep water, and aims to solve the problems of poor reliability, high cost and complex structure of the existing underwater data transmission mode.
In order to solve the technical problems, the invention adopts the following technical scheme:
a full sea deep water data quasi-real-time observation system comprises a bottom-mounted observation platform 3, a bottom-mounted anchor 4, underwater observation equipment 1, an acoustic releaser 2 and an electromagnetic coupling communication buoy 5; the bottom-sitting observation platform 3 is connected with a bottom-sitting anchor through an acoustic releaser 2, and the bottom-sitting anchor 4 is in a negative buoyancy state under water; the underwater observation equipment 1 and the electromagnetic coupling communication buoy 5 are arranged on the bottom-mounted observation platform 3; an electromagnetic coupling module 5.2 is arranged in the electromagnetic coupling communication buoy 5, and observation data of underwater observation equipment are transmitted to the electromagnetic coupling communication buoy in a cable-free mode through the electromagnetic coupling module; wherein,
when the underwater data transmission is needed, the electromagnetic coupling communication buoy is actively separated from the bottom-sitting observation platform, floats up to the water surface under the action of positive buoyancy of the electromagnetic coupling communication buoy, and performs ad hoc network and/or satellite communication with other communication buoys or communication equipment.
Preferably, the electromagnetic coupling communication buoy 5 further comprises a communication buoy 5.1, a data transmission cable 5.3, a release mechanism 5.4 and an anchor connection 5.5; the anchor system connecting piece 5.5 is fixed on the sitting-bottom type observation platform 3; the communication buoy 5.1 is connected with the anchor connection 5.5 through a release mechanism 5.4; one end of the data transmission cable 5.3 is connected with underwater observation equipment, and the other end is connected with the electromagnetic coupling module 5.2;
when the data volume acquired by the communication buoy 5.1 reaches a threshold value or meets other floating conditions, the release mechanism 5.4 is disconnected, and the communication buoy 5.1 floats to the water surface under the action of positive buoyancy.
Preferably, the electromagnetic coupling module 5.2 comprises an electromagnetic coupling transmitting coil and an electromagnetic coupling receiving coil, underwater data is transmitted to the electromagnetic coupling coil 5.2 through the data transmission cable 5.3, an excitation signal is generated by the electromagnetic coupling transmitting coil, an alternating magnetic field is generated in the space of the communication buoy 5, and the electromagnetic coupling receiving coil is excited to store the underwater data in the communication buoy 5.1.
Preferably, the release mechanism 5.4 is a fuse release mechanism which is capable of loading a high current when a release command of the communication buoy 5.1 is received, and disconnecting the communication buoy 5.1 from the anchor connection 5.5 in an electrochemical corrosion manner.
Preferably, the communication buoy 5.1 is equipped with a lora module and a satellite communication module, and can perform ad hoc network and/or satellite communication with other communication buoys or communication devices.
The device further comprises a recovery positioning device 6, wherein the recovery positioning device 6 is arranged on the sitting-bottom type observation platform 3 and is provided with a water outlet detection and positioning module; when the full sea deep water data quasi-real-time observation system needs to be recovered, a release command is sent out through the underwater acoustic communication equipment, the acoustic releaser 2 acts after receiving the release command, the connection between the bottom anchor 4 and the bottom observation platform 3 is disconnected, and the bottom observation platform 3 floats to the water surface under the action of positive buoyancy of the self; after the recovery positioning device 6 detects water outlet, positioning information is sent to the underwater acoustic communication equipment, and the bottom-mounted observation platform 3 is recovered.
The underwater observation equipment is a Doppler flow velocity profiler, an electromagnetic sensor, a temperature and salt depth sensor, an acoustic sensor and/or a biochemical sensor.
Preferably, the shell of the communication buoy is made of polyoxymethylene or polyether-ether-ketone material, and the body material of the sitting-bottom type observation platform is glass bead solid buoyancy material.
In order to solve the technical problems, the invention also provides a full sea deep water data quasi-real-time observation method, which adopts the full sea deep water data quasi-real-time observation system and specifically comprises the following steps:
the underwater observation device 1 acquires observed underwater data;
the underwater data are transmitted to the electromagnetic coupling module 5.2 through the data transmission cable 5.3, and are transmitted to the electromagnetic coupling communication buoy in a cable-free mode through the electromagnetic coupling module 5.2;
when the data volume acquired by the electromagnetic coupling communication buoy reaches a threshold value or meets other floating conditions, the release mechanism 5.4 is disconnected, and the communication buoy 5.1 floats to the water surface under the action of positive buoyancy of the communication buoy, and performs self-networking and/or satellite communication with other communication buoys or communication equipment.
The beneficial effects of the invention are as follows: the invention provides a data quasi-real-time observation system and a method under full sea deepwater, wherein the data quasi-real-time observation system under full sea deepwater comprises a bottom-sitting observation platform 3, a bottom-sitting anchor 4, underwater observation equipment 1, an acoustic releaser 2 and an electromagnetic coupling communication buoy 5; an electromagnetic coupling module 5.2 is arranged in the electromagnetic coupling communication buoy 5, and observation data of underwater observation equipment are transmitted to the electromagnetic coupling communication buoy in a cable-free mode through the electromagnetic coupling module; when the underwater data transmission is needed, the electromagnetic coupling communication buoy is actively separated from the bottom-mounted observation platform, floats up to the water surface under the action of positive buoyancy of the electromagnetic coupling communication buoy, and performs ad hoc network and/or satellite communication with other communication buoys or communication equipment. The invention adopts a non-contact information transmission mode, the communication buoy can be separated from the sitting-bottom type observation platform through the self-release mechanism, the separated communication buoy can float up to the water surface at fixed time for communication, the difficulty of real-time transmission of data of a large-depth sitting-bottom observation system is solved, the invention has the advantages of low cost, high communication success rate, no maintenance and the like aiming at specific application occasions, realizes the low-cost, high-reliability and high-concealment quasi-real-time transmission function of underwater self-contained observation data, and is suitable for quasi-real-time transmission of large water depth, especially full sea depth data, observation under complex hydrologic conditions and severe sea conditions, observation of sudden emergency and the like.
Drawings
FIG. 1 is a diagram of the system for observing data in deep water in full sea in near real time;
FIG. 2 is a communication buoy release diagram of the full sea deep water data near real-time observation system provided by the invention;
FIG. 3 is an application scene diagram of the full sea deep water data near real-time observation system provided by the invention;
FIG. 4 is a full view of the full sea deep water data near real time observation system provided by the invention;
FIG. 5 is a top view of the full sea deep water data near real-time observation system provided by the invention;
fig. 6 is a front view of the full sea deep water data near real-time observation system provided by the invention.
In the figure: the system comprises a 1-underwater observation device, a 2-acoustic releaser, a 3-bottoming observation platform, a 4-bottoming anchor, a 5-electromagnetic coupling communication buoy, a 6-recovery positioning device, a 5.1-communication buoy, a 5.2-electromagnetic coupling module, a 5.3-data transmission cable, a 5.4-release mechanism and a 5.5-anchor system connecting piece.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
Aiming at the defects of the existing large-water-depth bottom-sitting type observation system in a real-time transmission mode, the invention provides a full-sea deep-water data quasi-real-time observation system, which solves the technical problems that the underwater data real-time transmission mode of an underwater winch commonly adopted at present is in an unattended state for a long time, has higher requirements on winch reeling, reeling and unreeling and corrosion resistance, and meanwhile, the underwater winch is complex in structure, low in long-term working reliability, and is in a fumbling stage at present, short of long-term application examples, high in system cost and greatly influenced by sea conditions; meanwhile, the problems of large system deviation and high cost caused by overlong communication cables in the process of large depth observation of the traditional cable type bottom-sitting observation platform are solved.
Referring to fig. 1, 4, 5 and 6, an embodiment of the present invention provides a quasi-real-time observation system for data under full sea and deep water, which includes a bottom-mounted observation platform 3, a bottom-mounted anchor 4, an underwater observation device 1, an acoustic releaser 2 and an electromagnetic coupling communication buoy 5; the bottom-supported observation platform 3 is connected with a bottom-supported anchor through an acoustic releaser 2, and the bottom-supported anchor 4 is in a negative buoyancy state under water, so that the whole system is in a negative buoyancy state to stabilize bottom-supported observation; the underwater observation equipment 1 and the electromagnetic coupling communication buoy 5 are arranged on the sitting-bottom type observation platform 3; an electromagnetic coupling module 5.2 is arranged in the electromagnetic coupling communication buoy 5, and observation data of underwater observation equipment are transmitted to the electromagnetic coupling communication buoy in a cableless manner through the electromagnetic coupling module; when the underwater data transmission is needed, the electromagnetic coupling communication buoy is actively separated from the bottom-mounted observation platform, floats up to the water surface under the action of positive buoyancy of the electromagnetic coupling communication buoy, and performs ad hoc network and/or satellite communication with other communication buoys or communication equipment.
According to the full sea deep water data quasi-real-time observation system provided by the invention, the shipborne crane is used for laying water, and the system is submerged to the sea bottom by means of self gravity. Because of its buoyancy, gravity configuration, its under water centre of buoyancy is located just above the focus all the time to guarantee the attitude stability of system whole under water.
In the embodiment of the invention, the body of the bottom-supported observation platform is made of solid buoyancy materials, so that an installation space is provided for the underwater observation equipment 1, the recovery beacon, the acoustic releaser and the electromagnetic coupling communication buoy, and a main positive buoyancy source is provided for system recovery. The bottom anchor is in a negative buoyancy state under water and is connected to the bottom of the bottom observation platform through the acoustic releaser, so that the whole system is in a negative buoyancy state to stabilize the bottom observation.
Referring to fig. 1, the electromagnetic coupling communication buoy 5 further comprises a communication buoy 5.1, a data transmission cable 5.3, a release mechanism 5.4 and an anchor connection 5.5; the anchor system connecting piece 5.5 is fixed on the sitting-bottom type observation platform 3; the communication buoy 5.1 is connected with the anchor connection 5.5 through the release mechanism 5.4; one end of the data transmission cable 5.3 is connected with underwater observation equipment, and the other end is connected with the electromagnetic coupling module 5.2; when the data volume acquired by the communication buoy 5.1 reaches a threshold value or meets other floating conditions, the release mechanism 5.4 is disconnected, and the communication buoy 5.1 floats to the water surface under the action of positive buoyancy of the communication buoy.
Preferably, the electromagnetic coupling module 5.2 comprises an electromagnetic coupling sending coil and an electromagnetic coupling receiving coil, underwater data is transmitted to the electromagnetic coupling coil 5.2 through a data transmission cable 5.3, an excitation signal is generated by the electromagnetic coupling sending coil, an alternating magnetic field is generated in the space of the communication buoy 5, the electromagnetic coupling receiving coil is excited, the underwater data is stored in the communication buoy 5.1, non-contact transmission is realized, the limitations of short transmission distance and high transmission cost of the traditional cable are eliminated, the low-cost, high-reliability and high-concealment quasi-real-time transmission function of underwater self-contained observed data is realized, and the underwater self-contained data transmission system is particularly suitable for large water depth, especially full sea depth data observation and quasi-real-time transmission.
Further, the release mechanism 5.4 is a fuse release mechanism, which is capable of loading a large current when a release command of the communication buoy 5.1 is received, and disconnecting the communication buoy 5.1 from the anchor connection 5.5 in an electrochemical corrosion manner.
In the embodiment of the invention, the communication buoy 5.1 is internally provided with the lora module, so that the self-networking with other communication buoys or other communication equipment can be realized, the communication buoys are internally provided with the satellite communication modules at the same time, and the communication buoys can be used as nodes for uploading data, and the communication success rate under severe sea conditions is improved by various communication modes.
Referring to fig. 1, the device also comprises a recovery positioning device 6, wherein the recovery positioning device 6 is arranged on the sitting-bottom type observation platform 3 and is provided with a water outlet detection and positioning module; when the full sea deep water data quasi-real-time observation system needs to be recovered, a release command is sent out through the underwater acoustic communication equipment, the acoustic releaser 2 acts as an internal executing mechanism after receiving the release command, the connection between the bottom anchor 4 and the bottom observation platform 3 is disconnected, and the bottom observation platform 3 floats to the water surface under the action of positive buoyancy of the self; after the recovery positioning device 6 detects the water outlet, positioning information is sent to the underwater acoustic communication equipment, and the bottom-mounted observation platform 3 is recovered. In the embodiment of the present invention, the recovery positioning device 6 is an iridium beacon, a Beidou beacon or a radio beacon.
The underwater observation equipment is Doppler flow velocity profiler, electromagnetic sensor, temperature and salt depth sensor, acoustic sensor, biochemical sensor or other hydrographic observation equipment.
In the embodiment of the invention, the shell of the communication buoy is made of engineering plastics such as polyoxymethylene, polyether-ether-ketone and the like, and the body material of the sitting-bottom type observation platform is a glass bead solid buoyancy material.
Referring to fig. 2 and 3, in order to solve the above technical problems, the present invention further provides a method for observing data in deep sea in near real time, which adopts a system for observing data in deep sea in near real time, and specifically includes:
the underwater observation device 1 acquires observed underwater data;
the underwater data are transmitted to the electromagnetic coupling module 5.2 through the data transmission cable 5.3, and are transmitted to the electromagnetic coupling communication buoy in a cable-free mode through the electromagnetic coupling module 5.2;
when the data volume acquired by the electromagnetic coupling communication buoy reaches a threshold value or meets other floating conditions, the release mechanism 5.4 is disconnected, and the communication buoy 5.1 floats to the water surface under the action of positive buoyancy of the communication buoy, so as to carry out self-networking and/or satellite communication with other communication buoys or communication equipment.
Compared with the prior art, the invention has the following beneficial effects:
1. the full sea deep water data quasi-real-time observation system provided by the invention has the advantages of simple structure, low cost and high reliability, solves the problem that other cabled communication modes cannot be suitable for large water depth, especially the limitation of full sea depth observation, and is especially suitable for the sea area which is unattended, complex in hydrologic condition and severe in sea condition and needs sudden emergency observation;
2. the communication buoy provided by the invention adopts the contactless electromagnetic coupling to receive underwater observation data, and the communication buoy is used for returning the observation data in quasi-real time in a cableless mode, so that the problems of short transmission distance, high cost and the like of the traditional cabled coupling transmission are solved, the communication buoy is provided with an ad hoc network communication and satellite communication combined communication mode after floating to the water surface, the communication buoy has the advantage of high communication success rate, maintenance is not needed, and the cost of information acquisition is reduced.
In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.
Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The full sea deep water data quasi-real-time observation system is characterized by comprising a bottoming observation platform (3), bottoming anchors (4), underwater observation equipment (1), an acoustic releaser (2) and an electromagnetic coupling communication buoy (5); the bottom-sitting observation platform (3) is connected with a bottom-sitting anchor through an acoustic releaser (2), and the bottom-sitting anchor (4) is in a negative buoyancy state under water; the underwater observation equipment (1) and the electromagnetic coupling communication buoy (5) are arranged on the bottom-mounted observation platform (3); an electromagnetic coupling module (5.2) is arranged in the electromagnetic coupling communication buoy (5), and observation data of underwater observation equipment are transmitted to the electromagnetic coupling communication buoy in a cable-free mode through the electromagnetic coupling module; wherein,
when the underwater data transmission is needed, the electromagnetic coupling communication buoy is actively separated from the bottom-sitting observation platform, floats up to the water surface under the action of positive buoyancy of the electromagnetic coupling communication buoy, and performs ad hoc network and/or satellite communication with other communication buoys or communication equipment.
2. The system according to claim 1, wherein the electromagnetic coupling communication buoy (5) further comprises a communication buoy (5.1), a data transmission cable (5.3), a release mechanism (5.4) and an anchor connection (5.5); the anchor system connecting piece (5.5) is fixed on the sitting-bottom type observation platform (3); the communication buoy (5.1) is connected with the anchor system connecting piece (5.5) through the release mechanism (5.4); one end of the data transmission cable (5.3) is connected with underwater observation equipment, and the other end of the data transmission cable is connected with the electromagnetic coupling module (5.2);
when the data volume acquired by the communication buoy (5.1) reaches a threshold value or meets other floating conditions, the release mechanism (5.4) is disconnected, and the communication buoy (5.1) floats to the water surface under the action of positive buoyancy.
3. The system according to claim 2, characterized in that the electromagnetic coupling module (5.2) comprises an electromagnetic coupling transmitting coil and an electromagnetic coupling receiving coil, underwater data is transmitted to the electromagnetic coupling coil (5.2) through the data transmission cable (5.3), excitation signals are generated by the electromagnetic coupling transmitting coil, alternating magnetic fields are generated in the space of the communication buoy (5), the electromagnetic coupling receiving coil is excited, and underwater data are stored in the communication buoy (5.1).
4. A near real time observation system for data under deep sea according to claim 3, characterized in that the release mechanism (5.4) is a fused release mechanism which is capable of loading a large current upon receiving a release command from the communication buoy (5.1) and disconnecting the communication buoy (5.1) and the anchor connection (5.5) in electrochemical corrosion.
5. The system according to any one of claims 2-4, wherein the communication buoy (5.1) is equipped with a lora module and a satellite communication module, and is capable of performing ad hoc network and/or satellite communication with other communication buoys or communication devices.
6. The full sea deep water data quasi-real time observation system according to claim 5, further comprising a recovery positioning device (6), wherein the recovery positioning device (6) is installed on a sitting-bottom type observation platform (3) and is provided with a water outlet detection and positioning module; when the full sea deep water data quasi-real-time observation system needs to be recovered, a release command is sent out through the underwater acoustic communication equipment, the acoustic releaser (2) acts after receiving the release command, the connection between the bottom anchor (4) and the bottom observation platform (3) is disconnected, and the bottom observation platform (3) floats to the water surface under the action of positive buoyancy of the self; after the recovery positioning device (6) detects water, positioning information is sent to the underwater acoustic communication equipment, and the bottom-mounted observation platform (3) is recovered.
7. The near real time observation system of data under full sea deepwater of claim 6, wherein the underwater observation device is a doppler flow profiler, an electromagnetic sensor, a thermal salt depth sensor, an acoustic sensor and/or a biochemical sensor.
8. The underwater data near real-time transmission system based on electromagnetic coupling communication according to claim 7, wherein the housing of the communication buoy is made of polyoxymethylene or polyether ether ketone material, and the body material of the bottom-mounted observation platform is glass bead solid buoyancy material.
9. A method for observing data in full sea deepwater in near real time, which is characterized by adopting the system for observing data in full sea deepwater in near real time according to any one of claims 6-8, and specifically comprising the following steps:
the underwater observation device (1) acquires observed underwater data;
the underwater data are transmitted to the electromagnetic coupling module (5.2) through the data transmission cable (5.3), and are transmitted to the electromagnetic coupling communication buoy in a cable-free mode through the electromagnetic coupling module (5.2);
when the data volume acquired by the electromagnetic coupling communication buoy reaches a threshold value or meets other floating conditions, the release mechanism (5.4) is disconnected, and the communication buoy (5.1) floats to the water surface under the positive buoyancy of the communication buoy, and performs ad hoc network and/or satellite communication with other communication buoys or communication equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310695538.8A CN117394925A (en) | 2023-06-13 | 2023-06-13 | Full sea deep water data quasi-real-time observation system and method |
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| CN202310695538.8A CN117394925A (en) | 2023-06-13 | 2023-06-13 | Full sea deep water data quasi-real-time observation system and method |
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| CN202310695538.8A Pending CN117394925A (en) | 2023-06-13 | 2023-06-13 | Full sea deep water data quasi-real-time observation system and method |
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