CN112284326A - Seabed deformation monitoring device and method for ocean engineering - Google Patents
Seabed deformation monitoring device and method for ocean engineering Download PDFInfo
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- CN112284326A CN112284326A CN202011240659.6A CN202011240659A CN112284326A CN 112284326 A CN112284326 A CN 112284326A CN 202011240659 A CN202011240659 A CN 202011240659A CN 112284326 A CN112284326 A CN 112284326A
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- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
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Abstract
The invention discloses a seabed deformation monitoring device and method for ocean engineering, the device comprises a shell, a cover body and a detection assembly, wherein the shell is internally provided with a containing cavity with an upward opening, the cover body is used for covering the opening, the detection assembly is used for detecting seabed deformation, a support is arranged in the containing cavity and used for dividing the containing cavity space, the cover body is hermetically connected with the shell, the detection assembly comprises a power supply module used for supplying power, a communication module used for communicating with the outside, an acquisition module used for acquiring seabed deformation data and a control module used for processing data, the power supply module is distributed in the containing cavity along the circumferential direction, the communication module is connected with the side wall of the containing cavity, the acquisition module is arranged at the bottom of the containing cavity, the control module is connected with the containing cavity through the support, and the power supply module, the communication module and the acquisition module are all. In the invention, the deformation condition of the seabed is detected by the detection assembly in the sealed pressure-resistant device, so that the influence of the normal ocean engineering operation on the seabed is known.
Description
Technical Field
The invention relates to ocean engineering, in particular to a seabed deformation monitoring device and method for ocean engineering.
Background
In the working stage of ocean engineering, such as commercial energy mineral production by platform drilling, when the pressure in a well is unstable, the sediment framework in the stratum is softened or the reservoir is liquefied, local stratum settlement and or inclination of the development area can be caused, and the pile foundation of the ocean platform can be changed to cause accidents in severe cases. Therefore, the method has important significance for effectively monitoring the stratum change in the deep sea working operation stage.
The detection device in the prior art mainly depends on a cable mode for power supply and communication, has poor operability below 2000 m on the seabed, and has adverse effects on the reliability and stability of equipment measurement due to seawater flowing, fish collision, gnawing of cables and the like, so that the detection device serving as a theoretical scheme can be applied to shallow sea, is very difficult to apply to deep water, and not to mention long-term deep water monitoring.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a seabed deformation monitoring device for ocean engineering, which can solve the problem of long-term deepwater monitoring which cannot be carried out by a conventional detection device.
The invention also aims to provide a seabed deformation monitoring method for ocean engineering, which can solve the problem that the conventional detection device can not carry out long-term deepwater monitoring.
In order to achieve one of the above purposes, the technical scheme adopted by the invention is as follows:
a seabed deformation monitoring device for ocean engineering comprises a shell, a cover body and a detection assembly, wherein the shell is internally provided with an accommodating cavity with an upward opening, the cover body is used for covering the opening, the detection assembly is used for detecting seabed deformation, a bracket for dividing the space of the accommodating cavity is arranged in the accommodating cavity, the cover body is hermetically connected with the shell, the detection assembly comprises a power supply module for supplying power, a communication module for communicating with the outside, a collection module for collecting deformation data of the seabed, a control module for processing data and a storage module for storing data, the power supply modules are distributed in the accommodating cavity along the circumferential direction, the communication modules are connected with the side wall of the accommodating cavity, the acquisition module is arranged at the bottom of the accommodating cavity, the control module and the storage module are connected with the accommodating cavity through a bracket, the power module, the communication module, the acquisition module and the storage module are all connected with the control module.
Preferably, the shell is made of a TC4 titanium alloy formed by integral forging.
Preferably, be provided with on the lid and be used for holding the carminative exhaust hole in chamber and be used for the stifled body in shutoff exhaust hole, the input in exhaust hole with hold the chamber and be connected, stifled body can be dismantled with the output in exhaust hole and be connected.
Preferably, the sealing device further comprises a sealing member, and the cover body is connected with the shell body through the sealing member.
Preferably, the accommodating cavity comprises a battery compartment for storing the power module, a communication compartment for storing the communication module and a data compartment for storing the storage module and the control module, the battery compartment and the communication compartment are both connected with the data compartment, and the battery compartment, the communication compartment and the data compartment are all communicated with the exhaust assembly.
Preferably, the communication module comprises an aviation connector used for being connected with an external communication device, the aviation connector is arranged on the side wall of the accommodating cavity, and the control module is connected with the external communication device through the aviation connector.
Preferably, the acquisition module comprises a pressure sensor for measuring the water pressure of the seabed and an inclination sensor for measuring the inclination condition of the seabed, the shell is provided with a water pressure test hole communicated with the outside, the test end of the pressure sensor is connected with the water pressure test hole, the inclination sensor is connected with the bottom of the accommodating cavity, and the pressure sensor and the inclination sensor are both connected with the control module.
In order to achieve the second purpose, the technical scheme adopted by the invention is as follows:
a seabed deformation monitoring method for ocean engineering is applied to a control module of the seabed deformation monitoring device for ocean engineering, and is specifically realized by the following steps:
s1: acquiring a gravity acceleration g through an acquisition module, and establishing a first reference coordinate system oxy and a second reference coordinate system OXY by taking the gravity acceleration g and a sea level as reference lines, wherein the plane XOY is parallel to the sea level where the seabed deformation monitoring device is currently located, and the plane XOY is parallel to the sea level;
s2: acquiring the component g of the gravity acceleration g of the current position on the plane xoy through an acquisition modulexAnd gyAnd the formula is adopted:
and
calculating horizontal tilt angles alpha and beta of the current position, wherein gxIs the component of the gravitational acceleration g on the x-axis of the first reference coordinate system oxy, gyIs the component of the gravity acceleration g on the y-axis of the first reference coordinate system oxy, alpha is the inclination angle between the x-axis of the first reference coordinate system oxy and the sea level, beta is the inclination angle between the y-axis of the first reference coordinate system oxy and the sea level;
s3: by the formula
And calculating a plane inclination angle gamma of the current position, wherein the plane inclination angle gamma is a plane inclination angle between the plane xoy and the plane OXY, namely an inclination angle between the sea floor plane where the seabed deformation monitoring device is currently located and the sea level.
S4: respectively comparing the horizontal inclination angles alpha and beta and the plane inclination angle gamma of the current position with the horizontal inclination angles alpha and beta and the plane inclination angle gamma stored in the storage, if the horizontal inclination angles alpha and beta and the plane inclination angle gamma are the same, storing the current time into a storage module, executing S1, and if the horizontal inclination angles alpha and beta, the plane inclination angle gamma and the current time of the current position are different, storing the horizontal inclination angles alpha and beta, the plane inclination angle gamma and the current time into the storage module, and executing S5;
s5: whether the current water pressure is larger than a preset value or not is obtained through the detection assembly, if yes, alarm information is generated and stored in the storage module, S1 is executed, and if not, S1 is executed.
Preferably, the acquisition module comprises a pressure sensor for measuring the water pressure of the sea bottom and an inclination sensor for measuring the inclination condition of the sea bottom, and the pressure sensor and the inclination sensor are connected with the control module.
Preferably, the alarm information includes horizontal inclination angles α and β of the current position, a plane inclination angle γ, water pressure information, and a current time.
Compared with the prior art, the invention has the beneficial effects that: through setting up detection module in the airtight space that lid and casing formed to make detection module can normally open seabed monitoring operation, the inside support that is equipped with of casing simultaneously supports the airtight space that lid and casing formed through the support, improves the compressive property in the airtight space that lid and casing formed, makes it more adapt to and deep sea environment. Preferably, when the inclination angle between the sea floor plane and the sea level is monitored, the inclination angle between the sea floor plane and the sea level is calculated by establishing a planar rectangular coordinate system and a cartesian coordinate system, and the accurate calculation is realized by using the position relationship between the planar rectangular coordinate system and the cartesian coordinate system.
Drawings
Fig. 1 is a schematic structural diagram of a seabed deformation monitoring device for ocean engineering in the invention.
Fig. 2 is a schematic structural view of the housing according to the present invention.
Fig. 3 is a schematic view of a first reference coordinate system oxy as described in the present invention.
Fig. 4 is a schematic diagram of a second reference coordinate system xyz described in the present invention.
In the figure: 1-exhaust hole; 2-a cover body; 3-a data cabin; 4-a battery compartment; 5-a shell; 6-an aircraft joint; 7-a pressure sensor; 8-a scaffold; 9-inclination sensor.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention will be further described with reference to the accompanying drawings and the detailed description below:
in the invention, the seabed deformation monitoring devices are arranged on the periphery of a monitoring target point through a deepwater operation type ROV, and particularly, 4 to 8 seabed deformation monitoring devices are put in at one time to form an inner diamond ring layer and an outer diamond ring layer which are mutually staggered so as to monitor seabed deformation in different ranges and directions. The first reference coordinate system oxy is a plane rectangular coordinate system and the second reference coordinate system OXYZ is a Cartesian coordinate system and comprises a rectangular coordinate system and an inclined coordinate system; the control module comprises a data processing device such as a single chip microcomputer, external time service is performed in advance before launching and placing, and the acquisition module comprises a high-precision ADC integrated chip connected with the control module and is used for adjusting the sampling rate to be the lowest in order to provide sampling precision.
The first embodiment is as follows:
as shown in fig. 1 to 4, a seabed deformation monitoring device for ocean engineering comprises a housing 5 provided with an upward-opening containing cavity therein, a cover body 2 for covering the opening and a detection assembly for detecting seabed deformation, preferably, the housing 5 is made of a TC4 titanium alloy or other metal with strong pressure resistance and corrosion resistance, which is integrally forged, and then is integrally cut, so that a bracket 8 for dividing the containing cavity space is formed in the containing cavity, the bracket 8 divides the inside of the containing cavity into a battery compartment 4, a communication compartment and a data compartment 3, and at the same time, the bracket 8 can provide a supporting function for the cover body 2 in a deep sea environment, so that the cover body 2 can bear larger water pressure in the deep sea, the cover body 2 is connected with the housing 5 in a sealing manner through a sealing member, the sealing member is not limited to a sealing ring, and can also be a labyrinth sealing structure, the detection assembly comprises a power supply module for supplying power, a communication module for communicating with the outside, a collection module for collecting deformation data of the seabed, a control module for processing data and a storage module for storing data, the power modules are distributed in the battery compartment 4 of the accommodating cavity along the circumferential direction, the aviation connectors 6 of the communication modules are arranged on the side wall of the communication compartment, is used for being connected with an external communication device, when the monitoring work of the seabed deformation monitoring device is finished or the pilot mining work is finished, the exploration ship can be connected with the aviation connector 6 through a deep sea cable, the data interaction or the data recovery with the seabed deformation monitoring device is realized, and furthermore, the side wall of the battery cabin 4 or the communication cabin can be provided with a charging plug for charging so that the exploration ship can directly charge the seabed deformation monitoring device arranged in deep sea; the collection module is arranged at the bottom of the containing cavity, preferably, the inclination sensor 9 is connected with the bottom of the containing cavity, in the embodiment, the inclination sensor 9 is arranged at the bottom of the containing cavity, so that the situation that the position of the inclination sensor 9 deflects due to shaking or impact in the distribution process is avoided, and data collection cannot be accurately carried out, the control module and the storage module are connected with the containing cavity through the support 8, specifically, the control module and the storage module are arranged in the middle of the containing cavity in a stacking mode, so that the power module, the communication module and the collection module are connected with the control module, corresponding data of monitoring operation are stored in the storage module, offline work is realized, cables in the seabed deformation monitoring device are reduced, the internal space is utilized to the maximum extent, and the internal structure is more reasonable. In this embodiment, the chamber is provided with 7 independent and intercommunicated cabins, wherein 5 cabins are used for storing the battery pack and the corresponding control circuit board in the power module, 1 cabin is used for storing the acquisition module control module, and 1 cabin is provided with aviation connector 6. Specifically, the communication module carries out information interaction with the outside through the aviation connector 6 of communication cabin, and the interface that charges of power module also sets up on the communication cabin lateral wall simultaneously, and the exploration ship accessible deep sea cable is connected with the interface that charges of power module, directly charges for seabed deformation monitoring device in the deep sea, and is further, still set up the outside water pressure test hole of intercommunication on the communication cabin, the test end and the water pressure test hole of pressure sensor 7 are connected, and after seabed deformation monitoring device placed the seabed, the water pressure in the water pressure test hole equals external water pressure, so pressure sensor 7 passes through outside water pressure test hole surveys external water pressure.
Preferably, be provided with on the lid 2 and be used for holding the carminative exhaust hole 1 in chamber and be used for shutoff exhaust hole 1's the stifled body, exhaust hole 1's input with hold the chamber and be connected, stifled body can be dismantled with exhaust hole 1's output and be connected. In this embodiment, in order to ensure the air tightness of the device for monitoring the deformation of the sea bottom, when the detection assembly is installed in the housing 5 and the connection between the housing 5 and the cover 2 is performed, the plug plugged on the exhaust hole 1 needs to be removed to exhaust the gas inside the device for monitoring the deformation of the sea bottom, and the device for monitoring the deformation of the sea bottom needs to perform a tightness pressing test, connect the test connector to the exhaust hole 1, then start the test, and install the plug on the exhaust hole 1 to perform the sealing after the test is completed.
Example two:
a seabed deformation monitoring method for ocean engineering is applied to a control module of the seabed deformation monitoring device for ocean engineering in the embodiment I, and is specifically realized by the following steps:
s1: acquiring a gravity acceleration g through an acquisition module, and establishing a first reference coordinate system oxy and a second reference coordinate system OXY by taking the gravity acceleration g and a sea level as reference lines, wherein the plane XOY is parallel to the sea level where the seabed deformation monitoring device is currently located, and the plane XOY is parallel to the sea level;
specifically, when the seabed deformation monitoring device is placed on the seabed plane not parallel to the sea plane, the inclination sensor 9 in the acquisition module acquires the current inclination condition of the seabed plane, and establishes a first reference coordinate system oxy according to the current inclination condition of the seabed plane, wherein the plane xoy is parallel to the current seabed plane of the seabed deformation monitoring device, and the gravity acceleration g is acquired by the acquisition module, wherein the direction of the gravitational acceleration g is always vertically downwards, whereas the sea level is generally regarded as horizontal, therefore, the gravity acceleration g is perpendicular to the sea level, and a second reference coordinate system OXYZ is established by taking the gravity acceleration g and the sea level as reference lines, the plane XOY is parallel to the sea level, since the sea floor plane is not parallel to the sea level, there is an angle between the plane XOY and the plane XOY.
Preferably, when the sea floor level is parallel to the sea level, the first reference coordinate system oxy and the second reference coordinate system xyz coincide, and the plane XOY are parallel to each other.
S2: acquiring the component g of the gravity acceleration g of the current position on the plane xoy through an acquisition modulexAnd gyAnd the formula is adopted:
and
calculating horizontal tilt angles alpha and beta of the current position, wherein gxIs the component of the gravitational acceleration g on the x-axis of the first reference coordinate system oxy, gyIs the component of the gravity acceleration g on the y-axis of the first reference coordinate system oxy, alpha is the inclination angle between the x-axis of the first reference coordinate system oxy and the sea level, beta is the inclination angle between the y-axis of the first reference coordinate system oxy and the sea levelAn angle;
specifically, in general, the objects on the earth are influenced by gravity, that is, the objects on the earth are influenced by the gravitational acceleration g, according to the parallelogram rule, under the supporting force of the seabed deformation monitoring device placed on the seabed plane, the gravitational acceleration g generates two components g along the x-axis direction on the plane xoyxAnd g in the y-axis directionyThen, g is calculated according to the Newton mechanics fixed force and the triangle rulex、gyAnd the gravity acceleration g, and further to calculate the horizontal inclination angles alpha and beta of the current position of the seabed deformation monitoring device, specifically,
wherein g isxIs the component of the gravitational acceleration g on the x-axis of the first reference coordinate system oxy, gyIs the component of the gravity acceleration g on the y-axis of the first reference coordinate system oxy, α is the inclination angle between the x-axis of the first reference coordinate system oxy and the sea level, β is the inclination angle between the y-axis of the first reference coordinate system oxy and the sea level, and g is the gravity acceleration g.
S3: by the formula
And calculating a plane inclination angle gamma of the current position, wherein the plane inclination angle gamma is a plane inclination angle between the plane xoy and the plane OXY, namely an inclination angle between the sea floor plane where the seabed deformation monitoring device is currently located and the sea level.
Specifically, as shown in the figure, the rectangle A1OB1P1 is a projection of the current seabed plane of the seabed deformation monitoring device on the plane XOY, wherein
Is a normal vector of the plane XOY, wherein
Intersecting line with XOZ plane and YOZ plane
Included angles alpha and beta with the X axis and the Y axis,
the included angle with the XOY plane, namely the horizontal plane, is the plane inclination angle gamma of the seabed deformation monitoring device.
In the present embodiment, in the triangular pyramid PP1MB, there are: cos & lt BPP1 & gt cos & lt MPP1 x cos & lt MPB
Since ≥ BPP1 is complementary to ≥ AOA1, i.e. alpha, ≥ MPP1 is complementary to ≥ MOP1, i.e. gamma, and ≥ MPB can be represented by theta, which is represented by sin alpha ═ sin gamma × cos theta
In the triangular pyramid PP1MA, there is:
cos∠APP1＝cos∠MPP1×cos∠MPA
the angle APP1 is complementary to the angle BOB1, namely beta, the angle MPP1 is complementary to the angle MOP1, namely gamma, the angle MPA is complementary to theta, and the sin beta is sin gamma multiplied cos (90-theta)
Combining the above formulas to obtain
Namely, it is
Therefore, it is not only easy to use
Therefore, it is
Wherein alpha is the inclination angle between the x-axis of the first reference coordinate system oxy and the sea level, beta is the inclination angle between the y-axis of the first reference coordinate system oxy and the sea level, and is obtained by calculation through an inclination sensor 9 in the acquisition module.
S4: respectively comparing the horizontal inclination angles alpha and beta and the plane inclination angle gamma of the current position with the horizontal inclination angles alpha and beta and the plane inclination angle gamma stored in the storage, if the horizontal inclination angles alpha and beta and the plane inclination angle gamma are the same, storing the current time to a storage module, executing S1, and if the horizontal inclination angles alpha and beta, the plane inclination angle gamma and the current time of the current position are different, storing the horizontal inclination angles alpha and beta, the plane inclination angle gamma and the current time to the storage module, and executing S5;
specifically, after obtaining the horizontal inclination angles α, β and the plane inclination angle γ of the current position, the horizontal inclination angles α, β and the plane inclination angle γ of the current position are respectively compared with the horizontal inclination angles α, β and the plane inclination angle γ stored in the storage, if all the horizontal inclination angles α, β and the plane inclination angle γ are the same, the current time is stored in the storage module, S1 is executed again after the next detection period, and if any one of the horizontal inclination angles α, β, the plane inclination angle γ and the current time of the current position is different, the current time is stored in the storage module, and the next step is executed.
S5: whether the current water pressure is larger than a preset value or not is obtained through the detection assembly, if yes, alarm information is generated and stored in the storage module, S1 is executed, and if not, S1 is executed.
Specifically, whether the water pressure at the current position is larger than a preset value or not is obtained through a water pressure sensor in the acquisition module, that is, whether the seabed water pressure is abnormal or not is judged, if so, a current water pressure value storage device is stored, alarm information is generated and stored in the storage module, wherein the alarm information comprises the horizontal inclination angle alpha and beta, the plane inclination angle gamma, the water pressure information and the current time of the current position, and if the water pressure is normal, S1 is executed again after the next detection period.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (10)
1. A seabed deformation monitoring devices for ocean engineering which characterized in that: the portable submarine detection device comprises a shell, a cover body and a detection assembly, wherein a containing cavity with an upward opening is formed in the shell, the cover body is used for covering the opening, the detection assembly is used for detecting submarine deformation, a support used for dividing the space of the containing cavity is arranged in the containing cavity, the cover body is connected with the shell in a sealing mode, the detection assembly comprises a power supply module used for supplying power, a communication module used for communicating with the outside, an acquisition module used for acquiring submarine deformation data, a control module used for processing data and a storage module used for storing the data, the power supply module is distributed in the containing cavity along the circumferential direction, the communication module is connected with the side wall of the containing cavity, the acquisition module is arranged at the bottom of the containing cavity, the control module and the storage module are connected with the containing cavity through the support, and the power supply module, the communication module, the.
2. The subsea deformation monitoring device for ocean engineering according to claim 1, wherein: the shell is made of TC4 titanium alloy formed by integral forging.
3. The subsea deformation monitoring device for ocean engineering according to claim 1, wherein: the lid is last to be provided with the stifled body that is used for holding the carminative exhaust hole in chamber and is used for shutoff exhaust hole, the input in exhaust hole with hold the chamber and be connected, the stifled body can be dismantled with the output in exhaust hole and be connected.
4. The subsea deformation monitoring device for ocean engineering according to claim 1, wherein: still include the sealing member, the lid passes through the sealing member and is connected with the casing.
5. The subsea deformation monitoring device for ocean engineering according to claim 1, wherein: the accommodating cavity comprises a battery cabin used for storing the power module, a communication cabin used for storing the communication module and a data cabin used for storing the storage module and the control module, the battery cabin and the communication cabin are connected with the data cabin, and the battery cabin, the communication cabin and the data cabin are communicated with the exhaust assembly.
6. The subsea deformation monitoring device for ocean engineering according to claim 1, wherein: the communication module comprises an aviation connector used for being connected with an external communication device, the aviation connector is arranged on the side wall of the accommodating cavity, and the control module is connected with the external communication device through the aviation connector.
7. The subsea deformation monitoring device for ocean engineering according to claim 1, wherein: the acquisition module comprises a pressure sensor for measuring the water pressure of the seabed and an inclination sensor for measuring the inclination condition of the seabed, the shell is provided with a water pressure test hole communicated with the outside, the test end of the pressure sensor is connected with the water pressure test hole, the inclination sensor is connected with the bottom of the containing cavity, and the pressure sensor and the inclination sensor are both connected with the control module.
8. A subsea deformation monitoring method for ocean engineering, which is applied to the control module of the subsea deformation monitoring device for ocean engineering according to any one of claims 1-7, and is characterized by being specifically realized by the following steps:
s1: acquiring a gravity acceleration g through an acquisition module, and establishing a first reference coordinate system oxy and a second reference coordinate system OXY by taking the gravity acceleration g and a sea level as reference lines, wherein the plane XOY is parallel to the sea level where the seabed deformation monitoring device is currently located, and the plane XOY is parallel to the sea level;
s2: acquiring the component g of the gravity acceleration g of the current position on the plane xoy through an acquisition modulexAnd gyAnd the formula is adopted:
and
calculating horizontal tilt angles alpha and beta of the current position, wherein gxIs the component of the gravitational acceleration g on the x-axis of the first reference coordinate system oxy, gyIs the component of the gravity acceleration g on the y-axis of the first reference coordinate system oxy, alpha is the inclination angle between the x-axis of the first reference coordinate system oxy and the sea level, beta is the inclination angle between the y-axis of the first reference coordinate system oxy and the sea level;
s3: by the formula
Calculating a plane inclination angle gamma of the current position, wherein the plane inclination angle gamma is a plane inclination angle between the plane xoy and the plane OXY, namely an inclination angle between a sea floor plane where the seabed deformation monitoring device is located and the sea plane;
s4: respectively comparing the horizontal inclination angles alpha and beta and the plane inclination angle gamma of the current position with the horizontal inclination angles alpha and beta and the plane inclination angle gamma stored in the storage, if the horizontal inclination angles alpha and beta and the plane inclination angle gamma are the same, storing the current time into a storage module, executing S1, and if the horizontal inclination angles alpha and beta, the plane inclination angle gamma and the current time of the current position are different, storing the horizontal inclination angles alpha and beta, the plane inclination angle gamma and the current time into the storage module, and executing S5;
s5: whether the current water pressure is larger than a preset value or not is obtained through the detection assembly, if yes, alarm information is generated and stored in the storage module, S1 is executed, and if not, S1 is executed.
9. The subsea deformation monitoring method for ocean engineering according to claim 8, wherein: the acquisition module comprises a pressure sensor for measuring the water pressure of the sea bottom and an inclination sensor for measuring the inclination condition of the sea bottom, and the pressure sensor and the inclination sensor are connected with the control module.
10. The subsea deformation monitoring method for ocean engineering according to claim 8, wherein: the alarm information comprises horizontal inclination angles alpha and beta of the current position, a plane inclination angle gamma, water pressure information and current time.
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| CN113549544A (en) * | 2021-07-21 | 2021-10-26 | 广州海洋地质调查局 | Device and method for regularly enriching and culturing in-situ microorganisms in submarine methane leakage area |
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| CN113549544A (en) * | 2021-07-21 | 2021-10-26 | 广州海洋地质调查局 | Device and method for regularly enriching and culturing in-situ microorganisms in submarine methane leakage area |
| CN113549544B (en) * | 2021-07-21 | 2022-06-17 | 广州海洋地质调查局 | Device and method for regularly enriching and culturing in-situ microorganisms in submarine methane leakage area |
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