CN111781648A

CN111781648A - Ocean information detection cluster system and detection method

Info

Publication number: CN111781648A
Application number: CN202010765463.2A
Authority: CN
Inventors: 杨怀春; 王云峰
Original assignee: Guangdong Ou Shen Technology Co ltd
Current assignee: Guangdong Ou Shen Technology Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2020-10-16

Abstract

The invention belongs to the technical field of ocean information detection, and discloses an ocean information detection cluster system and a detection method, wherein a plurality of underwater instrument acquisition units fixed on a rope are arranged; a plurality of overwater wireless communication transponders are also arranged on the special working ship or towed or floated on the water surface; the controllable computer is wirelessly connected with the underwater instrument acquisition unit and the overwater wireless communication transponder; the state of an underwater instrument acquisition unit is sent to the overwater wireless communication transponder on the sea surface in a coding mode; the controllable computer is connected to the appointed working platform through a network to realize the remote control of the ocean information detection cluster system. The invention solves the problems that the current submarine instrument acquisition unit can not communicate and transmit data in real time on the seabed, and can not know the working state of the submarine instrument acquisition unit on the seabed and can not monitor the acquired data in real time; the real-time service technology is utilized to reduce the manufacturing cost and improve the time precision.

Description

Ocean information detection cluster system and detection method

Technical Field

The invention belongs to the technical field of marine information detection, and particularly relates to a marine geophysical information detection cluster system and a detection method.

Background

At present: the existing marine geophysical information detection technology is mainly a submarine artificial seismic exploration technology and mainly comprises a seismic source and an acquisition instrument. Most of the submarine seismic exploration technologies adopt non-explosive (air gun, steam gun, electric spark and the like) artificial seismic sources for excitation, and the seismic sources are generally sunk to a certain depth below a set sea surface and consist of special marine seismic source systems. The acquisition instrument is generally sunk to the sea bottom to receive signals generated by an artificial seismic source, reflected and refracted by the sea surface, the water body, the sea bottom and the underground deep layer, and the acquired signals are subjected to subsequent processing and interpretation to meet the requirements of different industries, and most of the acquisition instruments currently adopt four-component reception. The Ocean Bottom seismic exploration technology mainly comprises an Ocean Bottom Cable (OBC) and an Ocean Bottom Node instrument (OBN).

The OBC submarine exploration technology is characterized in that a plurality of acquisition units (including four-component detectors) are regularly connected together through cables according to design requirements, the cables are arranged on the seabed through a distribution ship, the main functions of the cables are control command transmission, seismic data transmission, power supply for the acquisition units and the like, the seismic data are finally sent to a computer through the cables to be processed and recorded, and the computer is also called an instrument host computer. The host controls the seabed acquisition unit during working, and the working state of the acquisition unit is checked.

The OBN is called an independent submarine node instrument, each submarine node instrument runs independently without contact, and a collection module, a communication module, a multi-component detector, a recording module, a timing module and the like are generally arranged in the OBN. The OBN submarine node instrument exploration technology is characterized in that a plurality of OBN node instruments are placed on the seabed, and compared with an OBC, the acquisition and distribution mode of the OBN node instruments is more flexible. In order to facilitate the arrangement of the node deploying and retracting instruments, the node deploying and retracting instruments are connected together through ropes (nylon ropes, steel wire cables and the like). When node instruments are distributed in a deep sea area, in order to improve the precision, an ROV robot is generally adopted to distribute according to the design requirement, and the ROV robot is submerged to the seabed to recover the underwater node instruments one by one during recovery.

The OBC system has the following defects because all the acquisition units must be connected by cables, transmitted by data and powered, and the application of the technology is limited: (1) the expansion of the acquisition unit is limited, and the acquisition unit is not suitable for the requirement of high-density acquisition on the sea; (2) the requirement for submarine arrangement is high, and special deck equipment and professional operators are needed; (3) once a cable fails, the cable is difficult to repair on site, and shutdown is caused; (4) the structure of the device has a certain influence on the collected data. Based on the above technical drawbacks, OBC devices are gradually replaced by OBN devices.

The existing submarine node instruments in the industry all operate independently, the submarine node instruments are not in any mutual connection, the submarine node instruments cannot be positioned and cannot monitor the working state of the submarine node instruments in real time, the timing systems of the submarine node instruments all adopt the existing expensive atomic clock chips, and even if the submarine node instruments work for a long time on the seabed, the system can be subjected to time drift of the atomic clock chips to bring errors, so that the acquisition quality is influenced. The defects which cannot be overcome by the underwater instrument acquisition unit per se prevent the underwater instrument acquisition unit from being widely popularized and applied at home and abroad.

Through the analysis, the problems and the defects of the conventional OBN technology are as follows:

first, the underwater node instrument itself can not be positioned, and additional positioning equipment needs to be configured, which brings difficulty to construction and increases cost.

Secondly, the working state of the submarine node instrument cannot be monitored in real time, and the related data collected by the submarine node instrument cannot be transmitted in real time.

Thirdly, when the underwater node instrument is in the seabed for a long time, the drift of the timing system brings errors to the system, the acquisition quality is influenced, and the underwater node instrument working in the seabed cannot be timed again to correct time.

The difficulty in solving the above problems and defects is:

the time service positioning system host is used for communicating with the seabed unit, under different sea conditions, the communication distance adopting the wireless communication technology cannot be less than 1000 meters or a certain distance, the technical problems of selection and coding of communication frequency bands, the demodulation problems of positioning data and state data and the like are solved.

The sea surface host system carries out time correction on the seabed acquisition unit through GPS or Beidou or other high-precision time service and broadcasting time in a certain time interval through the host system.

The significance of solving the problems and the defects is as follows:

the existing OBN technology is in a blind mining state, whether work is normal or not cannot be determined after laying is completed, the working state of a seabed acquisition unit, such as battery allowance, memory allowance, node posture, whether the acquisition unit is normal or not, timing circuit precision and the like can be collected through the existing technology, the defects of conventional nodes are overcome, the state data volume is small, and the technology can meet requirements.

In the aspect of node time service, the conventional node adopts an expensive atomic clock, the atomic clock has drift problem when working for a long time, and the interval time service technology is adopted, so that the cost can be saved, and the clock drift problem is solved.

After the problems and the defects are solved, the technology of the marine information detection cluster system fills the global blank of the industry, leads the development direction of marine information detection instruments and equipment, and breaks through the current situation of foreign technology monopoly, technical blockade and the like of 'neck clamping'. The method can be widely applied to various fields of marine mineral exploration, natural disaster forecast, scientific investigation, national defense and military and the like at home and abroad.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an ocean information detection cluster system and a detection method.

The invention is realized in such a way that an underwater instrument acquisition unit for ocean exploration forms a wired or wireless communication network in a short distance; and the adjacent underwater instrument acquisition units transmit the working states, the battery electric quantity, the storage condition, the position coordinates and the acquired data quality information of all the underwater instrument acquisition units to the controllable computer on the water surface in a relay mode.

Furthermore, the underwater instrument acquisition unit is provided with a high-strength metal or nonmetal sealed cabin, and a four-component sensor device, an information acquisition analog-digital conversion device, a data processing storage output device, a wireless communication device, a high-precision crystal oscillator timing device, a time service positioning device and a rechargeable battery are arranged in the sealed cabin; the sealed cabin is a flat ellipsoid-shaped body, the top of the sealed cabin is provided with a sealed cover, and the outer side of the top bottom of the sealed cabin is provided with a plurality of convex edges in different directions; the sealed cabin rear end is provided with charge and data interface, operating condition pilot lamp and WIFI data port.

Furthermore, the sealed cabin adopts an oblate ellipsoid-shaped body which reduces the drag resistance.

Further, the wireless communication device is a sonar device, a radio device or an infrared device or a combination of several different devices;

a metal or nonmetal chassis is arranged in the sealed cabin, and the four-component sensor device, the information acquisition analog-to-digital conversion device, the data processing storage output device, the wireless communication device, the high-precision crystal oscillator timing device, the time service positioning device and the rechargeable battery are all fixed on the chassis.

Another object of the present invention is to provide a marine information detection cluster system equipped with the above underwater instrument acquisition unit, wherein the marine information detection cluster system is configured with:

the underwater instrument acquisition units are configured in a plurality and are fixed on the universal rope in a serial connection mode or a parallel connection mode or a serial and parallel combination mode;

the overwater wireless communication transponder is provided with one or more than one, and is arranged on a special working ship or is towed or floats on the water surface;

the controllable computer is wirelessly connected with the underwater instrument acquisition unit and the overwater wireless communication transponder;

the state of the underwater instrument acquisition unit is sent to the overwater wireless communication transponder on the sea surface in a coding mode; the controllable computer is connected to the designated working platform through a network to realize the remote control of the ocean information detection cluster system.

Further, the underwater instrument acquisition unit identifies key events (for example, submarine earthquake, ship navigation interference outside the water surface, submarine-like diving devices in the water body and the like can cause sudden abnormal change of a conventional monitoring environment), triggers a transmitting device, and transmits information to a data management platform for intelligent early warning;

a plurality of the above-water wireless communication transponders on the sea surface form a local area network in a wireless mode, and data can be selectively sent to one data management platform.

Furthermore, the underwater instrument acquisition unit and the time service positioning device are integrated together, and are integrally designed according to the shape and the structure and integrally powered; the time service positioning device receives GPS or Beidou signals through the overwater wireless communication transponder, and acquires the geographic coordinate position information of each underwater acquisition unit by adopting an underwater sound positioning technology.

Further, the above-water wireless communication transponder sends an instruction to allow the underwater instrument acquisition unit to send related time pulse and data, decodes the data, determines the data of the underwater instrument acquisition unit, and distinguishes whether the data is positioning data or state data of the underwater instrument acquisition unit;

the overwater wireless communication transponder sends an instruction according to a certain design point under the navigation of a satellite positioning system, high-precision time is sent to the overwater wireless communication transponder within a distance, the underwater instrument acquisition unit carries out clock correction, and time service of all the underwater instrument acquisition units is completed within a certain time.

Another object of the present invention is to provide a method for detecting marine information, which comprises:

firstly, charging an underwater instrument acquisition unit through a charging and data interface, and automatically timing through a timing positioning device under the outdoor condition to ensure that an operating state indicator lamp of the underwater instrument acquisition unit is normal;

secondly, connecting a plurality of underwater instrument acquisition units in batches or in multiple batches according to the interval distance required by design by using ropes, placing the underwater instrument acquisition units into a specified target range of the seabed under the guidance of an above-water locator by using special equipment or manpower, and relatively fixing the ropes and the underwater instrument acquisition units on the seabed under the action of a bottom or an external convex edge of a sealing cover; until the submarine underwater instrument acquisition units and ropes are laid as required;

and thirdly, performing data communication by using the overwater wireless communication transponder on the water surface through a wireless communication device and a submarine instrument, and controlling, monitoring and recording the detection and acquisition of information from artificial excitation, natural earthquake and human factors.

Furthermore, the underwater instrument acquisition unit completely records the detected information data in the data processing, storing and outputting device through the analog-to-digital conversion device;

after the information detected according to the design requirements reaches the standard, the underwater instrument acquisition units are recovered to the ship one by one or in batches through a rope, and all detected data are recovered through a charging and data interface or a WIFI data port and are stored in a specified medium; the process is repeated in different areas until all the designated areas are detected as required or the designated areas are permanently detected and monitored as required; the power supply is required to be supplied by an external power supply through a charging data interface during permanent detection and monitoring;

in the process of detecting and collecting the underwater instrument collecting unit at the sea bottom, the overwater wireless communication transponder on the water supplies time to the time supply positioning device at regular time or at irregular time according to the requirement through the wireless device of the underwater instrument collecting unit, so that the timing precision of the high-precision crystal oscillator device is improved;

the overwater controllable computer utilizes the overwater wireless communication transponder to call the internal working state, the battery capacity and the storage condition of the underwater instrument acquisition unit in real time or acquire data detected by the four-component sensor through the wireless communication device, and can also control and change various acquisition parameters of the underwater instrument acquisition unit in real time according to requirements.

It is a further object of the invention to provide a computer readable storage medium, in which a computer program is stored which, when being executed by a processor, causes the processor to carry out the steps of claim 11.

Another object of the present invention is to provide a marine information detection apparatus provided with the above marine information detection cluster system.

By combining all the technical schemes, the invention has the advantages and positive effects that:

the marine information detection cluster system utilizes the time service high-precision crystal oscillator timing device, greatly reduces the manufacturing cost of the marine information detection cluster system, and eliminates the error that the expensive atomic clock chip of the conventional underwater instrument acquisition unit cannot time service during timing.

The invention is suitable for low-cost seabed four-component seismic exploration data acquisition operation, natural seabed seismic data monitoring, and information source position information formed by human factors (diving devices, ships, onshore interference, submarines, autonomous vehicles, AUVs, UUV, ROVs, frogmans, underwater creatures and the like) is detected and recorded. The method can overcome the defects that the existing submarine node seismic instrument launched by the rope in the industry cannot realize real-time communication and data transmission, and cannot know the working condition of a submarine instrument acquisition unit during data operation, and solves various practical problems faced by the existing submarine node seismic instrument.

The invention provides an underwater instrument acquisition unit which integrates a time service device and a positioning device, and the integrated design of the time service device and the positioning device overcomes the defect that the existing underwater instrument acquisition unit does not have the time service function and the positioning function; the independent systems required by secondary positioning are reduced, the submarine detection and installation are facilitated, and the overall cost is also reduced; the invention also adds the real-time positioning data of the underwater instrument acquisition unit.

The invention is convenient for marine seismic exploration companies to collect seabed multicomponent seismic data with high efficiency, safety and low cost, and provides powerful technical support for the high-efficiency and low-cost exploration and development of seabed mineral products and oil gas resources; natural earthquake data can be conveniently acquired by natural disaster reduction departments at low cost, and favorable data are provided for reducing marine natural disaster early warning; the open sea component network is convenient for detecting the external invasion equipment such as submersibles, ships and the like from human factors, and provides favorable guarantee for national defense safety. The ocean information detection cluster system has good popularization and application prospects.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.

FIG. 1 is a schematic diagram of an installation of a marine information detection cluster system according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a marine information detection cluster system according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a four-component information detection underwater instrument acquisition unit provided by an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a four-component information detection underwater instrument acquisition unit provided by an embodiment of the present invention;

fig. 5 is a flowchart of a method for detecting marine information according to an embodiment of the present invention.

In the figure: 1. a node overwater wireless communication responder; 2. a rope; 3. an underwater instrument acquisition unit; 4. a four-component sensor device; 5. a time service positioning device; 6. a wireless communication device; 7. data processing, storing and outputting device; 8. an analog-to-digital conversion device; 9. a rechargeable battery; 10. a high-precision crystal oscillator timing device; 11. sealing the cabin; 12. a top sealing cover; 13. a rib; 14. a handle; 15. a charging and data interface; 16. a working state indicator light; 17. a WIFI data port; 18. a chassis; 19. a handle attachment hole; 20. and (7) hanging a rope.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In view of the problems in the prior art, the present invention provides a marine information detection cluster system, which is described in detail below with reference to the accompanying drawings.

In the invention, the wireless communication device selects a plurality of frequencies to communicate with the overwater wireless communication transponder within a frequency band of 30k-50k, the communication distance is not less than 1000 m or a certain distance, and the identities and different data types of different acquisition units can be distinguished; the data processing, storing and outputting device is used for filtering, amplifying and the like the analog signals acquired by the sensor; the analog-to-digital conversion device is used for performing 24-bit or 32-bit analog-to-digital conversion on the analog signal and formatting the signal according to a certain format; the rechargeable battery can meet the requirement that the node works continuously for 30 days underwater; the high-precision crystal oscillator timing device adopts a crystal oscillator to time an acquisition circuit, meets the requirement of 0.25ms sampling, and has 10-hour clock deviation within 100 microseconds.

As shown in fig. 1, the installation schematic diagram of the marine information detection cluster system provided by the invention comprises an underwater instrument acquisition unit 3, a hanging rope 20 and a rope 2.

The underwater instrument acquisition units 3 form a network in a short distance, so that adjacent underwater instrument acquisition units are connected in a relay mode, the vibration waves transmitted from the rope 2 to the node station are weakened by using the hanging ropes 20 to reduce noise, and information such as working states, battery electric quantity, storage conditions, position coordinates, acquired data quality and the like of all the underwater instrument acquisition units are transmitted to the controllable computer on the water surface together to a greater extent.

As shown in fig. 2 to 4, the ocean information detection cluster system provided by the present invention includes: the node overwater wireless communication transponder comprises a node overwater wireless communication transponder 1, a rope 2, an underwater instrument acquisition unit 3, a four-component sensor device 4, a time service positioning device 5, a wireless communication device 6, a data processing, storing and outputting device 7, an analog-digital conversion device 8, a rechargeable battery 9, a high-precision crystal oscillator timing device 10, a sealed cabin 11, a top sealed cover 12, a rib 13, a handle 14, a charging and data interface 15, a working state indicator light 16, a WIFI data port 17, a chassis 18 and a handle connecting hole 19.

Example 1

The underwater instrument acquisition units 3 are arranged in a plurality and are fixed on the universal rope 2 in a serial connection mode through the handle connecting holes 19; one or more overwater wireless communication transponders 1 are arranged on a special working ship or towed or floated on the water surface; the underwater instrument acquisition unit 3 and the node overwater wireless communication transponder 1 are in wireless connection with the controllable computer; the node overwater wireless communication transponder 1 monitors the working state of the underwater instrument acquisition unit 3 through a wireless communication device, collects data of the underwater instrument acquisition unit 3, and forms a cluster system on the water and the water to detect information from a water body, a sea surface, a seabed and the underground. The controllable computer is connected to the appointed working platform through the network, and the remote control of the ocean information detection cluster system is realized for related personnel and departments to use.

Example 2

On the basis of the embodiment 1, the underwater instrument acquisition unit 3 of the embodiment is provided with a high-strength metal or nonmetal sealed cabin 11, a metal or nonmetal chassis 18 is arranged in the sealed cabin 11, and a four-component sensor device 4, an information acquisition analog-to-digital conversion device 8, a data processing storage output device 7, a wireless communication device 6, a high-precision crystal oscillator timing device 10, a time service positioning device 5 and a rechargeable battery 9 are fixed on the chassis 18; a stressed handle 14 is arranged on the chassis 18 and faces the outside of the sealed cabin 11; the sealed chamber 11 is mainly used to prevent seawater, humid gas, etc. from protecting the internal electric and electronic component modules.

The high-precision crystal oscillator timing device 10 replaces an expensive atomic clock chip, saves a large amount of manufacturing cost, and is more beneficial to popularization and implementation of the ocean information detection cluster system;

the sealed cabin 11 is a flat ellipsoid, and after being buried in seawater or by seabed sediment, the stress area is reduced when the underwater instrument acquisition unit 3 is recovered, and the effect of protecting the underwater instrument acquisition unit 3 can be achieved by reducing the stress of the underwater instrument acquisition unit 3;

the top of the sealed cabin 11 is provided with a top sealing cover 12, and the outer side of the top and the bottom is provided with a plurality of convex ribs 13 in different directions, so that the coupling and fixing effect of the underwater instrument acquisition unit 3 and the seabed can be increased, and the submarine instrument acquisition unit 3 can be ensured to detect higher-quality ocean information data; the rear end of the sealed cabin 11 is provided with a charging and data interface 15, a working state indicator light 16 and a WIFI data port 17.

The wireless communication device 6 is a sonar device, a radio device, an infrared device or a combination of a plurality of different devices; the time service positioning device 5 receives GPS or Beidou signals through the overwater wireless communication transponder, and acquires the geographical coordinate position information of each underwater acquisition unit by adopting an underwater sound positioning technology.

The invention provides a method for detecting ocean information of an ocean information detection cluster system, which comprises the following steps:

s101, charging an underwater instrument acquisition unit 3 through a charging and data interface, and automatically timing through a timing positioning device 5 under an outdoor condition to ensure that an indicator lamp of the working state of the underwater instrument acquisition unit 3 is normal;

s102, connecting a plurality of underwater instrument acquisition units 3 in batches or in multiple batches according to the interval distance required by design through ropes 2 (nylon ropes, steel wire ropes and the like), placing the underwater instrument acquisition units 3 in a specified target range of the seabed under the guidance of an above-water locator by using special equipment or manpower, and relatively fixing the ropes 2 and the underwater instrument acquisition units 3 in the seabed under the action of external ribs 13 of a bottom or top sealing cover 12; until the submarine underwater instrument acquisition unit 3 and the rope 2 are laid as required.

And S103, carrying out data communication with the submarine instrument through the wireless communication device 6 by using the overwater wireless communication transponder 1 of the underwater instrument acquisition unit 3 on the water surface, and controlling, monitoring and recording detection acquisition of various information such as artificial excitation, natural earthquake, human factors and the like.

Preferably, the underwater instrument acquisition unit 3 records the detected information data in the data processing, storing and outputting device 7 through the analog-to-digital conversion device 8. After the information detected according to the design requirements reaches the standard, the underwater instrument acquisition unit 3 is recovered to the ship one by one or in batches through the rope 2, and all detected data are recovered through a charging and data interface or a WIFI data port and stored in a specified medium. This process is repeated in different areas until all designated areas have been detected as desired or monitoring is permanently detected in designated areas as desired. And an external power supply is required to supply power through a charging data interface during permanent detection and monitoring.

In the process of detecting and collecting the underwater instrument collecting unit 3 at the sea bottom, the overwater node overwater wireless communication transponder 1 is used for timing or timing the timing positioning device 5 according to the requirement by the wireless device of the underwater instrument collecting unit 3, so that the timing precision of the high-precision crystal oscillator device is improved;

the overwater controllable computer utilizes the overwater wireless communication transponder 1 of the node to call the internal working state of the underwater instrument acquisition unit 3, the electric quantity of the rechargeable battery 9 (the node can work continuously for 30 days underwater), the storage condition or the data acquired by the four-component sensor in real time through the wireless communication device 6.

The underwater instrument acquisition unit 3 is a multi-component seismograph which is positioned on the seabed and used for independently acquiring and recording seismic signals. The system is generally composed of an acquisition unit, a time service and positioning device, a control and storage unit, a power supply device and the like.

In the invention, a four-component detector in an underwater instrument acquisition unit 3 consists of three detectors of 3 vibration types which are vertically orthogonal and 1 pressure type detector, wherein the 3 vibration type detectors detect vertical longitudinal waves and horizontal conversion PS waves; the pressure detector detects the change of the seawater pressure caused by vibration. Analog signals output by the 4 detectors are sent to a data processing unit, filtered by a digital filter, pre-amplified, sampled according to a sampling rate set in advance, and converted into digital signals through 24-bit or 32-bit analog-to-digital conversion. Binary data of each sampling point is stored in an internal storage unit in the form of a head section and a data section, wherein the head section part records the accurate time of the initial sampling point of the data section, the accurate time control of the sampling part is controlled by an internal high-precision clock, the precision clock is used for time service correction before launching water by a GPS or Beidou system clock, and the underwater unit is subjected to clock time service correction in a certain time interval by a sea surface host in the construction process.

The underwater instrument collects information such as the precision of a clock, the capacity of a battery, the state of a storage device, the posture of an underwater unit and the like in the unit 3, the information is sent to a response unit on the sea surface through a communication module in a coding mode, the communication of the wireless communication module is started, the information is activated and started through instructions, the power consumption is reduced, state data are sent to a sea surface transponder or a data management platform, and a worker can know whether the underwater unit works normally or not in time.

The time service positioning device is integrated with an underwater instrument acquisition unit 3, a power module of a unit is shared, and the appearance and the water resistance are integrally designed.

The underwater instrument acquisition units 3 form a network in a short distance, so that the adjacent underwater instrument acquisition units 3 transmit information such as working states, battery electric quantity, storage conditions, position coordinates, acquired data quality and the like of all the underwater instrument acquisition units 3 to a controllable computer on the water surface to a greater extent in a relay mode.

The time service positioning device 5 receives GPS or Beidou signals through the overwater wireless communication transponder, and acquires the geographical coordinate position information of each underwater acquisition unit by adopting an underwater sound positioning technology.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.

Claims

1. A marine information detection cluster system, characterized in that the marine information detection cluster system is configured with:

the underwater instrument acquisition unit is provided with a plurality of underwater instrument acquisition units and is fixed on the rope;

2. The ocean information detection cluster system of claim 1, wherein the underwater instrument acquisition unit identifies key events and triggers a transmitter to send information to a data management platform for intelligent early warning;

and a plurality of the above-water wireless communication transponders on the sea surface form a local area network in a wireless mode, and data is selectively sent to one data management platform.

3. The marine information detection cluster system of claim 1, wherein the underwater instrument acquisition unit is integrated with the time service positioning device, integrally designed according to shape and structure, and integrally powered; the time service positioning device receives GPS or Beidou signals through the overwater wireless communication transponder, and acquires the geographic coordinate position information of each underwater acquisition unit by adopting an underwater sound positioning technology.

4. The marine information detection cluster system of claim 1, wherein the over-the-water wireless communication transponder sends a command allowing the underwater instrumentation collection unit to send the relevant time pulses and data and decode the data to determine the data for that underwater instrumentation collection unit, distinguishing between positioning data and status data for that underwater instrumentation collection unit;

5. An underwater instrument acquisition unit for ocean exploration as applied to the cluster system of claims 1-4, wherein the underwater instrument acquisition unit forms a communication network in close proximity; and the adjacent underwater instrument acquisition units transmit the working states, the battery electric quantity, the storage condition, the position coordinates and the acquired data quality information of all the underwater instrument acquisition units to the controllable computer on the water surface in a relay mode.

6. The underwater instrument acquisition unit of claim 5 which is provided with a high-strength metal or nonmetal sealed cabin, wherein the sealed cabin is internally provided with a four-component sensor device, an information acquisition analog-to-digital conversion device, a data processing storage output device, a wireless communication device, a high-precision crystal oscillator timing device, a time service positioning device and a rechargeable battery; the top of the sealed cabin is provided with a sealed cover, and the outer side of the top bottom is provided with a plurality of convex edges in different directions; the sealed cabin rear end is provided with charge and data interface, operating condition pilot lamp and WIFI data port.

7. An underwater instrument acquisition unit as in claim 5 wherein the capsule is an oblate ellipsoid shaped body which reduces drag resistance.

8. An underwater instrument acquisition unit as claimed in claim 5 in which the wireless communication device is a sonar device, a radio device or an infrared device or a combination of several different devices;

9. A method for marine information detection is characterized in that the method for marine information detection comprises the following steps:

10. The method for detecting marine information according to claim 9, wherein the underwater instrument acquisition unit records the detected information data in the data processing, storing and outputting device through the analog-to-digital conversion device;

11. A computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of claim 11.

12. A marine information detection apparatus provided with the marine information detection cluster system according to any one of claims 5 to 7.