CN113031104A - Deep sea seabed unstability disaster three-dimensional monitoring system - Google Patents
Deep sea seabed unstability disaster three-dimensional monitoring system Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 63
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- 238000007689 inspection Methods 0.000 claims description 28
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- 238000011065 in-situ storage Methods 0.000 claims description 8
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- 230000006870 function Effects 0.000 claims description 3
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- 230000001687 destabilization Effects 0.000 abstract description 13
- 230000008447 perception Effects 0.000 abstract 1
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Abstract
The invention relates to a stereoscopic monitoring system for a deep sea seabed instability disaster, which comprises: the front end sensing unit, the middle end information transmission unit and the rear end integrated display control unit; the front-end sensing unit acquires sensitive parameter information of the seabed instability disaster environment of the target area and transmits the parameter information to the middle-end information transmission unit; the parameter information comprises first parameter information and second parameter information; the first parameter information includes: the method comprises the following steps of (1) carrying out on seabed water depth, seabed terrain gradient, seabed mechanical property, seabed acoustic property, heat flow value, seabed seismic activity and stratum structure; the second parameter information includes: pore pressure and seabed deformation of seabed shallow sediment; the middle-end information transmission unit transmits the received parameter information to the rear-end integrated display control unit; the back end integrated display and control unit is used for storing and integrally displaying the received parameter information. The invention realizes the three-dimensional perception and the integrated display control of the seabed destabilization disaster environment sensitive parameters with different spatial dimensions and time scales.
Description
Technical Field
The invention relates to the field of submarine disaster research, in particular to a deep sea submarine instability disaster three-dimensional monitoring system.
Background
At present, in deep sea, especially in deep sea slopes of land racks, deep island slopes and other sea areas, geological disasters occur due to seabed instability easily induced by geological processes such as deep sea slope creep, deposit difference accumulation, deep overpressure fluid release and the like. Due to the fact that the monitoring data of long-time sequences are lacked in the environment of pregnant disaster and the environmental factors before the seabed destabilization disaster, quantitative research on a disaster-causing mechanism and a disaster-causing process of the deep sea seabed slope destabilization disaster is insufficient. More importantly, under the background of great development of marine economy, the requirements for construction and application of deep sea seabed engineering are increasingly increased, and the safety of the deep sea seabed engineering is greatly threatened by instability disasters of the deep sea seabed.
The deep sea seabed environment is complex, the seabed instability causes disaster factors to be multi-sourced, and large space-time difference exists. In the spatial dimension, a seabed sedimentation power process, seabed interface deformation, a shallow sediment stratum structure, mechanical properties and deep overpressure fluid release have great influence on seabed instability; in the aspect of time dimension, factors such as seabed gravity creep and gradient steepness occur very slowly, but a large geological disaster can occur after long-time accumulation; the deep overpressure fluid release process is relatively rapid, and great damage can be formed to the seabed in a short time. Therefore, the submarine disaster environment sensitive factors with multiple spatial dimensions and multiple time scales need to be considered comprehensively to perform targeted monitoring, so that monitoring of the submarine unstable disaster can be better realized.
Disclosure of Invention
The invention aims to provide a deep sea seabed destabilization disaster three-dimensional monitoring system to realize three-dimensional sensing and integrated display and control of environment sensitive parameters of the deep sea seabed destabilization disasters with different spatial dimensions and time scales.
In order to achieve the purpose, the invention provides the following scheme:
a deep sea seafloor instability disaster three-dimensional monitoring system, the monitoring system comprising: the front end sensing unit, the middle end information transmission unit and the rear end integrated display control unit;
the front-end sensing unit is used for acquiring parameter information sensitive to seabed instability disaster environment of the target area and transmitting the parameter information to the middle-end information transmission unit; the parameter information comprises first parameter information and second parameter information; the first parameter information includes: the method comprises the following steps of (1) carrying out seabed water depth information, seabed terrain gradient information, seabed mechanical characteristic information, seabed acoustic characteristic information, heat flow value information, seabed seismic activity information and stratum structure information; the second parameter information includes: pore pressure information and seabed deformation information of seabed shallow sediment;
the middle-end information transmission unit transmits the received parameter information to the rear-end integrated display control unit;
and the rear-end integrated display and control unit is used for storing and integrally displaying the received parameter information.
Optionally, the front-end sensing unit includes a periodic inspection module and an online monitoring module;
the regular inspection module is used for acquiring first parameter information once every preset inspection period and storing the first parameter information to the middle-end information transmission unit;
the on-line monitoring module is used for acquiring second parameter information in real time and transmitting the second parameter information to the middle-end information transmission unit.
Optionally, the periodic inspection module comprises a multi-beam measurement system, a seafloor in-situ measurement device and a seafloor seismograph;
the multi-beam measuring system is used for detecting the seabed water depth information and the seabed terrain gradient information of the target area;
the seabed in-situ measuring device is used for measuring seabed mechanical property information, seabed acoustic property information and heat flow value information of the target area;
the ocean bottom seismograph is used for carrying out self-contained OBS monitoring on the ocean bottom to obtain ocean bottom seismic activity information and stratum structure information of a target area.
Optionally, the periodic inspection module further comprises an inspection boat;
the multi-beam measuring system and the seabed in-situ measuring device carry the survey vessel to carry out periodic detection.
Optionally, the online monitoring module comprises a hole pressure probe monitoring device and a MEMS acceleration sensor;
the pore pressure probe rod monitoring device is used for monitoring pore pressure information of seabed shallow sediment of the target area;
the MEMS acceleration sensor is used for monitoring seabed deformation information of the target area.
Optionally, the middle-end information transmission unit includes a memory and a sea surface communication buoy;
the periodic inspection module is used for storing the first parameter information to the memory; the memory transmits the first parameter information to the rear-end integrated display control unit through a USB interface;
the online monitoring module is used for transmitting the second parameter information to the sea surface communication buoy, and the sea surface communication buoy transmits the second parameter information back to the rear-end integrated display and control unit through a Beidou communication satellite.
Optionally, the middle-end information transmission unit further comprises a CAN bus and a Beidou satellite communication terminal;
the online monitoring module is connected with the sea surface communication buoy through the CAN bus; the sea surface communication buoy is in wireless connection with the rear-end integrated display control unit through the Beidou satellite communication terminal.
Optionally, the back-end integrated display control unit comprises a shore-based server with functions of storing and integrally displaying data.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a stereoscopic monitoring system for a deep sea seabed destabilization disaster, which comprises: the front end sensing unit, the middle end information transmission unit and the rear end integrated display control unit; the front-end sensing unit is used for acquiring parameter information sensitive to seabed instability disaster environment of the target area and transmitting the parameter information to the middle-end information transmission unit; the parameter information comprises first parameter information and second parameter information; the first parameter information includes: the method comprises the following steps of (1) carrying out seabed water depth information, seabed terrain gradient information, seabed mechanical characteristic information, seabed acoustic characteristic information, heat flow value information, seabed seismic activity information and stratum structure information; the second parameter information includes: pore pressure information and seabed deformation information of seabed shallow sediment; the middle-end information transmission unit transmits the received parameter information to the rear-end integrated display control unit; and the rear-end integrated display and control unit is used for storing and integrally displaying the received parameter information. The front-end sensing unit acquires the sensitive parameter information of the seabed destabilization disaster environment of the target area with different spatial dimensions and different time scales in a regular inspection mode and an online monitoring mode, and transmits the acquired parameter information to the rear-end integrated display and control unit through the middle-end information transmission unit, so that the three-dimensional sensing and the integrated display and control of the sensitive parameters of the seabed destabilization disaster environment of the target area with different spatial dimensions and different time scales are realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a stereoscopic monitoring system for a deep sea seabed destabilization disaster according to the present invention;
FIG. 2 is a schematic diagram of the periodic inspection work of the stereoscopic monitoring system for the deep sea seabed instability disaster provided by the invention;
fig. 3 is a schematic view of the on-line monitoring operation of the deep sea seabed instability disaster three-dimensional monitoring system provided by the invention.
Description of the symbols:
001-an investigation ship, 002-a CAN bus, 003-a sea surface communication buoy, 004-a Beidou satellite communication terminal, 100-a front end sensing unit, 110-a periodic inspection module, 120-an online monitoring module, 111-a multi-beam measuring system, 112-a seabed in-situ measuring device, 113-a seabed seismograph, 114-a hole pressure probe rod monitoring device, 115-an MEMS acceleration sensor, 200-a middle-end information transmission unit and 300-a rear-end integrated display and control unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a deep sea seabed destabilization disaster three-dimensional monitoring system to realize three-dimensional sensing and integrated display and control of environment sensitive parameters of the deep sea seabed destabilization disasters with different spatial dimensions and time scales.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, a stereoscopic monitoring system for a deep sea seabed destabilization disaster comprises: the front-end sensing unit 100, the middle-end information transmission unit 200 and the rear-end integrated display control unit 300; the front-end sensing unit 100 is configured to acquire parameter information sensitive to a seabed destabilizing disaster environment of a target area and transmit the parameter information to the middle-end information transmission unit 200; the parameter information comprises first parameter information and second parameter information; the first parameter information includes: the method comprises the following steps of (1) carrying out seabed water depth information, seabed terrain gradient information, seabed mechanical characteristic information, seabed acoustic characteristic information, heat flow value information, seabed seismic activity information and stratum structure information; the second parameter information includes: pore pressure information and seabed deformation information of seabed shallow sediment; the middle-end information transmission unit 200 transmits the received parameter information to the back-end integrated display control unit 300; the back-end integrated display and control unit 300 is configured to store and display the received parameter information in an integrated manner.
The front-end sensing unit 100 mainly realizes three-dimensional sensing of sensitive parameters of the seabed destabilization disaster environment; the middle-end information transmission unit 200 mainly realizes the return or input of front-end sensing information; the back-end integrated display and control unit 300 mainly realizes centralized display and background management of monitoring information.
The front-end sensing unit 100 comprises a periodic inspection module 110 and an online monitoring module 120; the periodic inspection module 110 is configured to obtain first parameter information once every preset inspection period and store the first parameter information to the middle-end information transmission unit 200; the online monitoring module 120 is configured to obtain second parameter information in real time and transmit the second parameter information to the middle-end information transmission unit 200.
The periodic inspection module 110 senses and acquires parameters such as seabed water depth information, seabed terrain gradient information, seabed mechanical property information, seabed acoustic property information, heat flow value information, seabed seismic activity information and stratum structure information of a target area mainly in a periodic detection mode, and the frequency of periodic detection can be flexibly designed according to the monitoring purpose of the target area.
The online monitoring module 120 mainly comprises the steps of realizing real-time sensing and monitoring of pore pressure and seabed deformation of seabed shallow sediment, and mainly comprises online monitoring of a pore pressure probe rod and online monitoring of seabed deformation.
The periodic inspection module 110 comprises a multi-beam measuring system 111, a seabed in-situ measuring device 112 and a seabed seismograph 113; the multi-beam measurement system 111 is used for detecting the seabed water depth information and seabed terrain gradient information of the target area; the seabed in-situ measuring device 112 is used for measuring seabed mechanical property information, seabed acoustic property information and heat flow value information of the target area; the ocean bottom seismograph 113 is used for carrying out self-contained OBS monitoring on the ocean bottom to obtain ocean bottom seismic activity information and stratum structure information of a target area.
The periodic inspection module 110 further includes an inspection boat 001; the multi-beam measurement system 111 and the seafloor in-situ measurement device 112 carry the survey vessel for periodic inspections.
The ocean bottom seismograph 113 is periodically released and recovered according to the specific situation of the target area. The inversion of the acoustic structure and the change characteristics of the seabed shallow sediment layer is realized by using the seismic record of the seabed seismograph 113 and combining the seabed acoustic characteristic measurement parameters.
The online monitoring module 120 comprises a hole pressure probe rod monitoring device 114 and a MEMS acceleration sensor 115; the pore pressure probe rod monitoring device 114 is used for monitoring pore pressure information of seabed shallow sediment of the target area; the MEMS acceleration sensor 115 is used to monitor seabed deformation information of the target area.
The pore pressure probe rod on-line monitoring mainly comprises a distributed deployed pore pressure probe rod monitoring device 114, a conical steel probe rod and a built-in pressure sensor array, wherein the conical steel probe rod is penetrated into a sediment during measurement, the pore pressure monitoring probe rod device monitors pore pressure information of a seabed shallow sediment of a target area in real time, the pore pressure information is connected in series through a CAN bus 002, and the information is uploaded to a sea surface communication buoy 003.
The seabed deformation on-line monitoring is mainly realized by fixing the MEMS acceleration sensor 115 on the seabed boundary through a conical steel needle, sensing seabed deformation acceleration information in real time by the MEMS acceleration sensor 115, calculating seabed deformation displacement information in a monitoring time period through quadratic integration, connecting in series through a CAN bus 002, and uploading the information to a sea surface communication buoy 003.
The middle information transmission unit 200 comprises a memory and a sea surface communication buoy 003; the periodic inspection module 110 is configured to store the first parameter information in the memory; the memory transmits the first parameter information to the rear-end integrated display and control unit 300 through a USB interface; the on-line monitoring module 120 is configured to transmit the second parameter information to the sea surface communication buoy 003, and the sea surface communication buoy 003 transmits the second parameter information back to the rear-end integrated display and control unit 300 through a beidou communication satellite.
The middle-end information transmission unit 200 further comprises a CAN bus 002 and a Beidou satellite communication terminal 004; the online monitoring module 120 is connected with the sea surface communication buoy 003 through the CAN bus 002; the sea surface communication buoy 003 is in wireless connection with the rear-end integrated display and control unit 300 through the Beidou satellite communication terminal 004.
The back-end integrated display control unit 300 includes a shore-based server having functions of storing data and integrally displaying data.
The back-end integrated display control unit 300 is mainly composed of a shore-based server and a supporting software system, and realizes data storage, integrated display and control management.
The middle-end information transmission unit 200 is mainly used for returning or inputting front-end sensing information to the rear-end integrated display control unit 300; for the monitoring information obtained by the regular inspection, the monitoring information can be returned to the shore after the regular inspection is finished, and the sensing information is input into the rear-end integrated display and control unit 300 in a conventional information import mode; for the information obtained by on-line monitoring, the information obtained by the seabed sensing device CAN be uploaded to the sea surface communication buoy 003 through the CAN bus 002, the communication buoy is provided with the Beidou satellite communication terminal 004, and accordingly, the information is transmitted back to the rear-end integrated display and control unit 300 through the Beidou communication satellite.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. A deep sea seabed instability disaster three-dimensional monitoring system is characterized by comprising: the front end sensing unit, the middle end information transmission unit and the rear end integrated display control unit;
the front-end sensing unit is used for acquiring parameter information sensitive to seabed instability disaster environment of the target area and transmitting the parameter information to the middle-end information transmission unit; the parameter information comprises first parameter information and second parameter information; the first parameter information includes: the method comprises the following steps of (1) carrying out seabed water depth information, seabed terrain gradient information, seabed mechanical characteristic information, seabed acoustic characteristic information, heat flow value information, seabed seismic activity information and stratum structure information; the second parameter information includes: pore pressure information and seabed deformation information of seabed shallow sediment;
the middle-end information transmission unit transmits the received parameter information to the rear-end integrated display control unit;
and the rear-end integrated display and control unit is used for storing and integrally displaying the received parameter information.
2. The deep sea seafloor instability disaster stereoscopic monitoring system according to claim 1, wherein the front end sensing unit comprises a periodic inspection module and an online monitoring module;
the regular inspection module is used for acquiring first parameter information once every preset inspection period and storing the first parameter information to the middle-end information transmission unit;
the on-line monitoring module is used for acquiring second parameter information in real time and transmitting the second parameter information to the middle-end information transmission unit.
3. The deep sea seafloor instability disaster three-dimensional monitoring system according to claim 2, wherein the periodic inspection module comprises a multi-beam measuring system, a seafloor in-situ measuring device and a seafloor seismograph;
the multi-beam measuring system is used for detecting the seabed water depth information and the seabed terrain gradient information of the target area;
the seabed in-situ measuring device is used for measuring seabed mechanical property information, seabed acoustic property information and heat flow value information of the target area;
the ocean bottom seismograph is used for carrying out self-contained OBS monitoring on the ocean bottom to obtain ocean bottom seismic activity information and stratum structure information of a target area.
4. The deep sea seafloor instability disaster stereoscopic monitoring system according to claim 3, wherein the periodic inspection module further comprises an inspection boat;
the multi-beam measuring system and the seabed in-situ measuring device carry the survey vessel to carry out periodic detection.
5. The deep sea seafloor instability disaster stereoscopic monitoring system according to claim 2, wherein the online monitoring module comprises a hole pressure probe monitoring device and an MEMS acceleration sensor;
the pore pressure probe rod monitoring device is used for monitoring pore pressure information of seabed shallow sediment of the target area;
the MEMS acceleration sensor is used for monitoring seabed deformation information of the target area.
6. The deep sea seafloor instability disaster stereoscopic monitoring system according to claim 2, wherein the middle information transmission unit comprises a memory and a sea surface communication buoy;
the periodic inspection module is used for storing the first parameter information to the memory; the memory transmits the first parameter information to the rear-end integrated display control unit through a USB interface;
the online monitoring module is used for transmitting the second parameter information to the sea surface communication buoy, and the sea surface communication buoy transmits the second parameter information back to the rear-end integrated display and control unit through a Beidou communication satellite.
7. The deep sea seafloor instability disaster three-dimensional monitoring system according to claim 6, wherein the middle-end information transmission unit further comprises a CAN bus and a Beidou satellite communication terminal;
the online monitoring module is connected with the sea surface communication buoy through the CAN bus; the sea surface communication buoy is in wireless connection with the rear-end integrated display control unit through the Beidou satellite communication terminal.
8. The deep sea seafloor instability disaster stereoscopic monitoring system according to claim 1, wherein the back-end integrated display and control unit comprises a shore-based server with data storage and integrated display functions.
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