CN103438870B - Method and device for dynamically monitoring microtopography and landforms near seabed - Google Patents
Method and device for dynamically monitoring microtopography and landforms near seabed Download PDFInfo
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- CN103438870B CN103438870B CN201310373682.6A CN201310373682A CN103438870B CN 103438870 B CN103438870 B CN 103438870B CN 201310373682 A CN201310373682 A CN 201310373682A CN 103438870 B CN103438870 B CN 103438870B
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Abstract
The invention discloses a method and a device for dynamically monitoring microtopography and landforms near seabed. The device for dynamically monitoring microtopography and landforms near seabed comprises a four-side frame, a connecting part, an instrument compartment and a dynamic microtopography and landforms monitoring instrument unit. The method for dynamically monitoring microtopography and landforms near seabed includes the steps of device connection, instrument debugging, device arrangement, device operation and recovery, etc. The device can be used for detecting tidal change, sequential variation of water depths at fixed point, three-dimensional seabed landform change and seabed micro-landform change in real time, thereby achieving the purpose of monitoring the change of seabed micro-landforms. The device and the method are suitable for dynamically observing landforms of seabed with various bed forms and bottom substrates, and are safe and stable. The device is convenient to install and disassemble and can be integrated with multiple marine observation instruments. The method and the device can be widely applied to detection of landforms near seabed, marine charting, marine monitoring, ocean engineering and marine scientific research.
Description
Technical field
The present invention relates to a kind of near Sea Bottom and dynamically observe method and apparatus, specifically refer to a kind of near Sea Bottom mima type microrelief Beach profile monitoring method and device.
Background technology
Submarine topography landforms variation monitoring ensures it is the basis of marine forecasting, engineering design, development of resources, marine management, maritime demarcation, national defense safety and submarine science research.Be subject to natural cause, as: sediment movement, hydrodynamic force, synoptic process and accident etc., and the complex effects of mankind's activity, cause these regional undersea topography and geomorphologies that acute variation often occurs, even cause lethal effect, serious seabed disaster, ecological deterioration and the ecosystem are unbalance etc., directly affect marine economy development, channel safe, oceanographic engineering safety.
Use traditional technological means such as single beam depth measurement and multibeam echosounding to carry out duplicate measurements and can realize the submarine topography landforms change detection in certain hour section, but for short-period quick submarine topography landforms change procedure, these classic methods are helpless, need to carry out Real-Time Monitoring by the technical method of near Sea Bottom and device.
At present,, mainly there is following shortcoming in existing near Sea Bottom dynamic concept survey technology: at the bottom of (1) seabed, shape and substrate are complicated and changeable, not only be embodied in the submarine topography gradient changeable, also being embodied in sediment changeable, may be sand, mud or basement rock, causes instrument folding and unfolding difficulty large; (2) instrument, to discharging having relatively high expectations of position, often needs to find very smooth sea area and carries out instrument release, because the whether vertical sea bottom surface observation of instrument directly affects the quality of data, but on dynamic boats and ships, is difficult to realize the accurate release of apparatus; (3) the submarine topography relief data type that existing instrument and equipment are surveyed is few, is difficult to disclose submarine topography landforms Changing Pattern, is also difficult to ensure submarine topography safety.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of this invention is to provide a kind of near Sea Bottom mima type microrelief Beach profile monitoring method and device.
Near Sea Bottom mima type microrelief Beach profile monitoring device of the present invention adopts following technical scheme:
A kind of near Sea Bottom mima type microrelief Beach profile monitoring device, comprise four limit framves, connecting portion, instrument storehouse and mima type microrelief Beach profile monitoring instrument group, four limit framves are made up of draw ring, oblique four limit framves, upper bracket, lower carriage, pillar and anti-trapping board, the outside framework of constituent apparatus; Connecting portion is mainly made up of universal shaft, upper flange plate, lower flange, and four limit framves connect instrument storehouse by connecting portion; Instrument storehouse is by the fixing mima type microrelief Beach profile monitoring instrument group of bottom, storehouse instrument hole.
As preferably, the oblique four limit framves in described device are quadrangular pyramid type structure, and draw ring connects and fills oblique four limit frame drift angles, and draw ring is for throwing in and identity device; Four jiaos of companies of oblique four limit frame load onto support, lower carriage and pillar, and four limits are erected and born a heavy burden and support scientific instrument effect; Pillar tail end even fills anti-trapping board, circular anti-trapping board aggrandizement apparatus lifting surface area.
As preferably, in described device, Si Bianjia center connects and fills connecting portion, and the universal shaft in connecting portion connects loads onto ring flange, and universal shaft guarantees that instrument storehouse all the time straight down; Lower flange is connected and is filled instrument storehouse by weld, and upper flange plate, lower flange are fixed by upper screw, lower screw, and instrument storehouse can dismantle and change as required.
Near Sea Bottom mima type microrelief Beach profile monitoring method of the present invention adopts following technical scheme:
A kind of near Sea Bottom mima type microrelief Beach profile monitoring method, comprises the following steps:
Step 1: device connects and instrument testing
1.1) check the whether firm welding of four limit framves, connecting portion, instrument storehouse of described device, whether described universal shaft turns to normal flexibly, described upper flange plate, whether lower flange is connected firmly, and whether described mima type microrelief Beach profile monitoring instrument group is fixing;
1.2) check described pressure transducer, altitude gauge, storage unit, three-dimensional sonar, whether subsea camera normally works; Described altitude gauge is connected to computer with subsea camera, checks whether data normally receive;
Step 2: device is thrown in
2.1) measure the height of described altitude gauge apart from described bottom of device, whether render to the foundation in seabed as judgment means;
2.2) described draw ring connecting rope, described altitude gauge and subsea camera connection data line, described data line and rope are fixed;
2.3) in launch process, the data of described altitude gauge and the picture of subsea camera receive in real time, in the time that the height of described altitude gauge is consistent with the height described in step 2.1, think that instrument thrown in to seabed, observe surrounding terrain by described subsea camera whether appropriate device is placed simultaneously, the dynamic surveillance that implement device is thrown in;
Step 3: device operation and recovery
3.1) after described device is thrown in, described mima type microrelief Beach profile monitoring instrument group can normally be worked, wherein said pressure transducer is used for surveying tidal fluctuations, described altitude gauge is for surveying the timing variations of the fixed point depth of water, described three-dimensional sonar is used for surveying seabed dimensional topography to be changed, described subsea camera changes for Real-Time Monitoring seabed microtopography, the submarine topography landforms delta data that described storage unit is surveyed for real-time storage mima type microrelief Beach profile monitoring instrument group;
3.2) after described device fulfils assignment, described draw ring connecting rope reclaims.
Beneficial effect of the present invention:
(1) security.Anti-trapping board structure has increased the lifting surface area of device, is applicable to the complicated submarine observations such as sandy and shale; Heavy burden pillar increases the inertia of device, has reduced device and has toppled over and buried danger.
(2) stability.Four limit shelf structures can be stablized and discharge in seabed; Universal shaft structure guarantees the vertical submarine observation of scope and not affected by seabed mima type microrelief fluctuating, ensures the quality of obtaining data.
(3) detachability.Flange plate structure is convenient to apparatus installation, dismounting and is changed.
(4) multifunctionality.The detectable tidal fluctuations of pressure transducer; Altitude gauge adjustable point is surveyed submarine topography and is changed; The dynamic change of the detectable seabed of three-dimensional sonar mima type microrelief face; Subsea camera can be taken the dynamic change image of submarine topography landforms; Instrument chamber structure can hold multiple oceanographic observation instrument.
The present invention can be widely used in the detection of the nearly end of submarine topography landforms, marine charting, marine monitoring, oceanographic engineering and scientific research of seas.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is the side-looking structural representation of anti-trapping board in Fig. 1;
Fig. 4 is the plan structure schematic diagram of Fig. 3;
Fig. 5 is the plan structure schematic diagram of connecting portion upper flange plate in Fig. 1;
Fig. 6 is the side-looking structural representation of Fig. 5;
Fig. 7 be in Fig. 1 connecting portion lower flange look up structural representation;
Fig. 8 is the side-looking structural representation of Fig. 7;
Fig. 9 is the side-looking structural representation in Fig. 1 Instrumental storehouse;
Figure 10 is the plan structure schematic diagram of Fig. 9;
Figure 11 is the structural representation of looking up of Figure 10;
Figure 12 is the structural representation of mima type microrelief Beach profile monitoring instrument group in Fig. 1.
In figure: 1, four limit framves, 1.1 draw ring, 1.2, oblique four limit framves, 1.3, upper bracket, 1.4, lower carriage, 1.5, pillar, 1.6, anti-trapping board, 2, connecting portion, 2.1, universal shaft, 2.2, upper montant, 2.3, upper flange plate, 2.4, upper screw, 2.5, lower flange, 2.6, lower screw, 2.7, lower montant, 3, instrument storehouse, 3.1, instrument bin bracket, 3.2, weld, 3.3, instrument hole, 4, mima type microrelief Beach profile monitoring instrument group, 4.1, pressure transducer, 4.2, altitude gauge, 4.3, storage unit, 4.4, three-dimensional sonar, 4.5, subsea camera.
Embodiment
For further understanding technology contents of the present invention, Characteristic, hereby enumerate following instance, and coordinate accompanying drawing to be described in detail as follows.
embodiment 1
A kind of near Sea Bottom mima type microrelief Beach profile monitoring device, with reference to accompanying drawing 1,2, four limit framves 1 by draw ring 1.1, oblique four limit framves 1.2, upper bracket 1.3, lower carriage 1.4, pillar 1.5 and anti-trapping board 1.6(with reference to accompanying drawing 3,4) form the outside framework of constituent apparatus; Oblique four limit framves 1.2 are quadrangular pyramid type structure, and draw ring 1.1 even fills oblique four limit frame 1.2 drift angles, and draw ring 1.1 plays input and identity device effect; 1.2 4 jiaos of companies of oblique four limit frame load onto support 1.3, lower carriage 1.4 and pillar 1.5, play and bear a heavy burden and bracing means effect; Pillar 1.5 tail ends even fill anti-trapping board 1.6, circular anti-trapping board 1.6 aggrandizement apparatus lifting surface areas.Four limit frame 1 centers even fill connecting portion 2, and the upper montant 2.2 of universal shaft 2.1 welding in connecting portion 2 connects loads onto ring flange 2.3(with reference to accompanying drawing 5,6), universal shaft 2.1 guarantees that instrument storehouse 3 is all the time straight down; Lower flange 2.5(is with reference to accompanying drawing 7,8) weld 3 welded top places 3.2, instrument storehouse by lower montant 2.7 and connect and fill instrument storehouse 3, upper flange plate 2.3, lower flange 2.5 are fixing by upper screw 2.4, lower screw 2.6; Instrument storehouse 3(is with reference to accompanying drawing 9,10,11) fix mima type microrelief Beach profile monitoring instrument group 4(with reference to accompanying drawing 12 by bottom, storehouse instrument hole 3.3), comprise pressure transducer 4.1, altitude gauge 4.2, three-dimensional sonar 4.4, subsea camera 4.5 and storage unit 4.3 form.
A kind of near Sea Bottom mima type microrelief Beach profile monitoring device, upper flange plate 2.3, the lower flange 2.5 of connecting portion 2 are fixing by upper screw 2.4, lower screw 2.6, instrument storehouse 3 can dismantle as required with changing; Instrument storehouse 3, can be according to different research purposes by bottom, storehouse instrument hole 3.3 fixing mima type microrelief Beach profile monitoring instrument groups 4, add or replacing instrument.All the other are with embodiment 1.
A kind of near Sea Bottom mima type microrelief Beach profile monitoring method, comprises the following steps:
Step 1: device connects and instrument testing
1.1) check the whether firm welding of four limit framves 1, connecting portion 2, instrument storehouse 3 of described device, whether described universal shaft 2.1 turns to normal flexibly, described upper flange plate 2.3, whether lower flange 2.5 is connected firmly, and whether described mima type microrelief Beach profile monitoring instrument group 4 is fixing;
1.2) check described pressure transducer 4.1, altitude gauge 4.2, storage unit 4.3, three-dimensional sonar 4.4, whether subsea camera 4.5 normally works; Described altitude gauge 4.2 is connected to computer with subsea camera 4.5, checks whether data normally receive;
Step 2: device is thrown in
2.1) measure the height of described altitude gauge 4.2 apart from described bottom of device, whether render to the foundation in seabed as judgment means;
2.2) described draw ring 1.1 connecting ropes, described altitude gauge 4.2 and subsea camera 4.5 connection data lines, described data line and rope are fixed;
2.3) in launch process, the data of described altitude gauge 4.2 and the picture of subsea camera 4.5 receive in real time, in the time that the height of described altitude gauge 4.2 is consistent with the height described in step 2.1, think that instrument thrown in to seabed, observe surrounding terrain by described subsea camera 4.5 whether appropriate device is placed simultaneously, the dynamic surveillance that implement device is thrown in;
Step 3: device operation and recovery
3.1) after described device is thrown in, described mima type microrelief Beach profile monitoring instrument group 4 can normally be worked, wherein said pressure transducer 4.1 is for surveying tidal fluctuations, described altitude gauge 4.2 is for surveying the timing variations of the fixed point depth of water, described three-dimensional sonar 4.4 changes for surveying three, seabed landform, described subsea camera 4.5 changes for Real-Time Monitoring seabed microtopography, the submarine topography landforms delta data that described storage unit 4.3 is surveyed for real-time storage mima type microrelief Beach profile monitoring instrument group.
3.2) after described device fulfils assignment, described draw ring 1.1 connecting ropes reclaim;
Subsea camera is contributed to improve monitoring success ratio for the supervision of launch process and the monitoring in arrival work seabed simultaneously, be particularly useful for research and the exploration in seabed, the changeable marine site of the unknown or environment.
Because near Sea Bottom mima type microrelief Beach profile monitoring device, in order to adapt to the rugged surroundings in seabed, has had safety and stability on the whole, can select so render to the process in seabed.In the absence of real time monitoring, also can arrive smoothly the seabed of wish work, carry out monitoring.Sometimes, in order to save electric power, or while repeating to monitor, close real time monitoring and seem necessary to some extent.
Claims (1)
1. a near Sea Bottom mima type microrelief Beach profile monitoring device, it is characterized in that, it comprises four limit framves (1), connecting portion (2), instrument storehouse (3) and mima type microrelief Beach profile monitoring instrument group (4), four limit framves (1) comprise draw ring (1.1), oblique four limit framves (1.2), upper bracket (1.3), lower carriage (1.4), pillar (1.5) and anti-trapping board (1.6), form the outside framework of described device; Connecting portion (2) is mainly made up of universal shaft (2.1), upper flange plate (2.3), lower flange (2.5), and four limit framves (1) connect instrument storehouse (3) by connecting portion (2); In instrument storehouse (3), settle mima type microrelief Beach profile monitoring instrument group (4);
The described bottom, instrument storehouse (3) of passing through is provided with storehouse bottom instrument hole (3.3), by the fixing described mima type microrelief Beach profile monitoring instrument group (4) of described storehouse bottom instrument hole (3.3);
Described oblique four limit framves (1.2) are quadrangular pyramid type structure, draw ring (1.1) even fills oblique four limit frame (1.2) drift angles, (1.2) four jiaos of companies of oblique four limit frame load onto support (1.3), lower carriage (1.4) and pillar (1.5), and four limit framves (1) rise and bear a heavy burden and supporting role; Pillar (1.5) tail end even fills anti-trapping board (1.6), and circular anti-trapping board (1.6) increases lifting surface area;
The center of four described limit framves (1) even fills connecting portion (2), described connecting portion (2) further comprises montant (2.2), lower screw (2.6), upper screw (2.4), lower montant (2.7), described universal shaft (2.1) is connected and is loaded onto ring flange (2.3) by upper montant (2.2), and lower flange (2.5) is connected and filled instrument storehouse (3) by lower montant (2.7), weld (3.3); Upper flange plate (2.3), lower flange (2.5) use bolt to fix by upper screw (2.4), lower screw (2.6);
Described mima type microrelief Beach profile monitoring instrument group (4) comprises pressure transducer (4.1), altitude gauge (4.2), three-dimensional sonar (4.4), subsea camera (4.5) and storage unit (4.3), pressure transducer (4.1), altitude gauge (4.2), three-dimensional sonar (4.4), subsea camera (4.5) is connected with storage unit (4.3) respectively.
2.a kind of near Sea Bottom mima type microrelief Beach profile monitoring method, is characterized in that, comprises the following steps:
Step 1: device connects and instrument testing
1.1) check the whether firm welding of four limit framves (1), connecting portion (2), instrument storehouse (3) of described device, whether described universal shaft (2.1) turns to normal, described upper flange plate (2.3), whether lower flange (2.5) is connected firmly, and whether described mima type microrelief Beach profile monitoring instrument group (4) is fixing;
1.2) check described pressure transducer (4.1), altitude gauge (4.2), storage unit (4.3), three-dimensional sonar (4.4), whether subsea camera (4.5) normally works; Described altitude gauge (4.2) is connected to computer with subsea camera (4.5), checks whether data normally receive;
Step 2: device is thrown in
2.1) measure the height of described altitude gauge (4.2) apart from described bottom of device, whether render to the foundation in seabed as judgment means;
2.2) described draw ring (1.1) connecting rope, described altitude gauge (4.2) and subsea camera (4.5) connection data line, described data line and rope are fixed;
2.3) in launch process, the data of described altitude gauge (4.2) and the picture of subsea camera (4.5) receive in real time, in the time that the height of described altitude gauge (4.2) is consistent with the height described in step 2.1, think that instrument thrown in to seabed, observe surrounding terrain by described subsea camera (4.5) whether appropriate device is placed simultaneously, the dynamic surveillance that implement device is thrown in;
Step 3: device operation and recovery
3.1) after described device is thrown in, described mima type microrelief Beach profile monitoring instrument group (4) can normally be worked, wherein said pressure transducer (4.1) is for surveying tidal fluctuations, described altitude gauge (4.2) is for surveying the timing variations of the fixed point depth of water, described three-dimensional sonar (4.4) changes for surveying seabed dimensional topography, described subsea camera (4.5) changes for Real-Time Monitoring seabed microtopography, the submarine topography landforms delta data that described storage unit (4.3) is surveyed for real-time storage mima type microrelief Beach profile monitoring instrument group;
3.2) after described device fulfils assignment, described draw ring (1.1) connecting rope reclaims.
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| CN110412030A (en) * | 2019-07-26 | 2019-11-05 | 国家海洋局南海环境监测中心（中国海监南海区检验鉴定中心） | A kind of portable coral reef Morbidity investigation system |
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| CN113587908B (en) * | 2021-08-03 | 2022-04-22 | 中国海洋大学 | Device for measuring seabed sand wave migration based on triangular pressure sensor and working method |
| CN114877942A (en) * | 2022-05-18 | 2022-08-09 | 自然资源部第二海洋研究所 | Autonomous stable seabed bottom shape and boundary layer close-range observation device and application method |
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| JPH11351866A (en) * | 1998-06-08 | 1999-12-24 | Hazama Gumi Ltd | Frame and installation method for ground-settlement measuring apparatus to bottom of water |
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