CN117571050A - Buoy structure monitoring method and system for single-point mooring device - Google Patents

Buoy structure monitoring method and system for single-point mooring device Download PDF

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Publication number
CN117571050A
CN117571050A CN202311540510.3A CN202311540510A CN117571050A CN 117571050 A CN117571050 A CN 117571050A CN 202311540510 A CN202311540510 A CN 202311540510A CN 117571050 A CN117571050 A CN 117571050A
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CN
China
Prior art keywords
parameter
monitoring point
monitoring
stress
displacement
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CN202311540510.3A
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Chinese (zh)
Inventor
邵楠楠
王惠群
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Suzhou Yitong Dandian Technology Co ltd
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Suzhou Yitong Dandian Technology Co ltd
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Priority to CN202311540510.3A priority Critical patent/CN117571050A/en
Publication of CN117571050A publication Critical patent/CN117571050A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
    • B63B27/34—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures using pipe-lines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/048—Monitoring; Safety

Abstract

The invention discloses a buoy structure monitoring method and system for a single-point mooring device, and relates to the technical field of ocean engineering. The buoy structure monitoring method for the single point mooring device comprises the following steps: and acquiring a first stress parameter and an inclination angle parameter of the first monitoring point, wherein the first monitoring point is positioned on the top platform along the first direction, and the inclination angle parameter comprises an X inclination angle parameter of the top platform along the second direction and a Y inclination angle parameter of the top platform along the third direction. Determining that the first stress parameter is greater than the first standard stress parameter and/or the inclination angle parameter is greater than the standard inclination angle parameter; the first alert information is transmitted. Acquiring a second stress parameter of a second monitoring point, wherein the second monitoring point is positioned on the side wall of the main shaft and is positioned above the horizontal plane along the first direction; determining that the second stress parameter is greater than the second standard stress parameter; and sending second alarm information. By adopting the technology provided by the invention, the structure of the pontoon is remotely monitored in real time.

Description

Buoy structure monitoring method and system for single-point mooring device
Technical Field
The invention relates to the technical field of ocean engineering, in particular to a buoy structure monitoring method and system for a single point mooring device.
Background
Single-point mooring (SPM) refers to a way in ocean engineering to restrain a floating body by mooring in a single point to another fixed or floating structure, providing a point at sea. Wherein the single point mooring device (single point mooring unit) refers to a mooring device with single point mooring characteristics, which can be used for conveying oil and gas.
In the prior art, the mode of filling and discharging oil for large vessels has evolved from traditional docks to "offshore fueling stations". The method comprises the steps of constructing a constrained single-point mooring wharf on the sea by adopting a single-point mooring device, connecting an oil hose at one end of the single-point mooring device with a large ship, and connecting the other end of the single-point mooring device with a submarine pipeline, so that the purpose that the large ship can realize ultra-long-distance crude oil transportation with the land without berthing the wharf is achieved.
Wherein the pontoon is an important component in a single point mooring, and lacks the necessary monitoring means for the pontoon structure. For example, patent document CN108008690B discloses a telemetry and navigation aid for a single line mooring system, which enables on-shore monitoring of the status of the pontoon by the remote terminal unit RTUB collecting the status of the individual valves and motors. However, in this mode, the structural shape of the specific pontoon is monitored by CCTV monitoring (explosion-proof camera and water tank). In other words, it is also judged by naked eyes whether the structure of the pontoon is deformed by collision.
Disclosure of Invention
The invention provides a buoy structure monitoring method and system for a single-point mooring device, which are used for solving the problem that buoy structure monitoring of the single-point mooring device still depends on naked eye monitoring in the prior art.
In order to solve the above technical problems, in a first aspect, the present invention provides a method for monitoring a buoy structure of a single point mooring device, where the buoy is provided with a main shaft and a rotating platform extending along a first direction, the rotating platform is connected with the main shaft and rotates relative to the main shaft, the main shaft is in a fixed state, and a top platform is provided on a side of the main shaft facing the rotating platform.
The buoy structure monitoring method for the single point mooring device comprises the following steps:
and acquiring a first stress parameter and an inclination angle parameter of the first monitoring point, wherein the first monitoring point is positioned on the top platform along the first direction, and the inclination angle parameter comprises an X inclination angle parameter of the top platform along the second direction and a Y inclination angle parameter of the top platform along the third direction.
Determining that the first stress parameter is greater than the first standard stress parameter and/or the inclination angle parameter is greater than the standard inclination angle parameter; and sending first alarm information, wherein the first alarm information comprises a first stress parameter and a dip angle parameter.
Acquiring a second stress parameter of a second monitoring point, wherein the second monitoring point is positioned on the side wall of the main shaft and is positioned above the horizontal plane along the first direction; determining that the second stress parameter is greater than the second standard stress parameter; and transmitting second alarm information, wherein the second alarm information comprises a second stress parameter.
The technical scheme provided by the invention has the beneficial effects that:
the first monitoring point and the second monitoring point are set for monitoring, wherein the first monitoring point is located on a top platform of the main shaft and used for monitoring the upper structure of the pontoon, and the second monitoring point is located on the side wall of the main shaft and used for monitoring the middle structure of the pontoon, so that real-time monitoring of the main body part of the pontoon is achieved.
And the deformation data of the first monitoring point can be quantified by acquiring the first stress parameter and the inclination angle parameter of the first monitoring point, wherein the stress parameter is data for quantitatively describing the deformation degree based on Strain. In the prior art, the structure is monitored based on stress parameters and is applied to the construction industry, and the method is extended to the field of offshore engineering, so that the difficulty of monitoring the pontoon structure can be effectively reduced.
When the first stress parameter or the inclination parameter is larger than a set standard value, the first alarm information can be triggered, so that the staff can know and directly locate and check the first monitoring point.
Correspondingly, when the second stress parameter of the second monitoring point is larger than the second standard stress parameter, the second alarm information is triggered, so that the staff can know and directly locate and check the second monitoring point conveniently. In addition, under normal conditions, the data of the first monitoring point is the same as the data of the second monitoring point, and the data of the first monitoring point and the data of the second monitoring point can be mutually verified. Based on the first stress parameter, the inclination angle parameter and the second stress parameter, timeliness and reliability can be realized, and monitoring difficulty of staff on the pontoon is reduced.
In some embodiments, the rotary platform is further provided with an oil delivery pipe; the oil delivery pipe is used for being connected with a floating oil pipe, and the pontoon structure monitoring method for the single-point mooring device further comprises the following steps:
acquiring a third stress parameter of a third monitoring point, wherein the third monitoring point is positioned on the side wall of the oil delivery pipe along the first direction, and determining that the third stress parameter is larger than a third standard stress parameter;
and transmitting third alarm information, wherein the third alarm information comprises a third stress parameter.
By adopting the technical scheme, the oil hose is connected through the oil pipeline of the single-point mooring device, and then the oil pipeline is conveyed with the large-scale oil tanker, wherein the third monitoring point is additionally arranged on the oil pipeline, so that the safety of the oil pipeline conveying can be effectively enhanced, and the real-time monitoring of workers is facilitated.
In some embodiments, the buoy structure monitoring method for a single point mooring device further comprises:
acquiring a first displacement parameter of a first monitoring point, wherein the first displacement parameter is a relative displacement value of the first monitoring point relative to a first reference position; determining that the first displacement parameter is greater than the first standard displacement parameter; and sending first alarm information, wherein the first alarm information further comprises a first displacement parameter.
Acquiring a second displacement parameter of a second monitoring point, wherein the second displacement parameter is a relative displacement value of the second monitoring point relative to a second reference position; determining that the second displacement parameter is greater than the second standard displacement parameter; and transmitting second alarm information, wherein the second alarm information comprises a second displacement parameter.
By adopting the technical scheme, other characteristic parameters of deformation also comprise displacement, and as the buoy adopted by the single-point mooring device is in an offshore area, the buoy can swing back and forth under normal conditions. Therefore, the data monitoring in multiple dimensions can be performed while the parameter values are mutually verified. Thereby realizing deformation monitoring of the pontoon pipe wall structure of the first monitoring point.
In addition, acceleration sensors can be additionally arranged for the first monitoring point and the second monitoring point, a first acceleration parameter of the first monitoring point and a second acceleration parameter of the second monitoring point are measured, and accordingly the first acceleration parameter and the first displacement parameter are combined to obtain the vibration of the first monitoring point, and the second acceleration parameter and the second displacement parameter are combined to obtain the vibration of the second monitoring point. The vibration scene can be found in time by the staff.
In some embodiments, the buoy structure monitoring method for a single point mooring device further comprises:
acquiring a first stress parameter of a first monitoring point at a first timeAnd Tilt parameter->Acquiring a first stress parameter of a first monitoring point at a second time->And Tilt parameter->The first time to the second time have a set time interval; a first strain curve and a tilt angle change curve are generated.
Acquiring a second stress parameter of a second monitoring point at the first timeAcquiring a second stress parameter of a second monitoring point at a second time +.>A second strain curve is generated.
By adopting the technical scheme, the change curve is drawn according to the data measured by the first time and the second time, wherein the first time and the second time are set data acquisition time points. And generating each data change curve according to the measurement time.
In other words, each data value can be transmitted to the remote monitoring workstation through the main control unit according to the set period in the non-alarm state, and the remote monitoring workstation receives the data and generates a visual table, so that the user can check and compare the data conveniently.
In another aspect, the present application also provides a buoy structure monitoring system for a single point mooring device, the single point mooring device being provided with a buoy, the buoy being provided with a main shaft extending in a first direction and a rotary platform, the rotary platform being connected with the main shaft and being rotated relative to the main shaft, wherein the main shaft is in a fixed state, the main shaft having a top platform towards one side of the rotary platform.
A buoy structure monitoring system for a single point mooring device comprising: the system comprises a first sensor terminal unit, a first signal acquisition unit, a second sensor terminal unit, a second signal acquisition unit and a main control unit.
The first sensor terminal unit can acquire a first stress parameter and an inclination angle parameter of a first monitoring point; the first signal acquisition unit is used for enabling the first stress parameter to be larger than the first standard stress parameter and/or enabling the inclination angle parameter to be larger than the standard inclination angle parameter.
The second sensor terminal unit can acquire a second stress parameter of a second monitoring point; the second signal acquisition unit is used for enabling the second stress parameter to be larger than the second standard stress parameter; the main control unit can send the first alarm information and the second alarm information to the remote monitoring workstation.
By adopting the technical scheme, the first sensor terminal unit is arranged at the first monitoring point to detect and acquire the data parameters, and the second sensor terminal unit is arranged at the second monitoring point to detect and acquire the data parameters, so that the datamation monitoring pontoon is realized. When the alarm information exceeds the set standard threshold, the alarm information is sent timely, so that the staff can conveniently maintain or check the alarm information at fixed points. In addition, the first sensor terminal unit is used for realizing data preprocessing through the first signal acquisition unit, and the second sensor terminal unit is used for realizing data preprocessing through the second signal acquisition unit, so that workers can effectively acquire information and remotely monitor the state of the pontoon.
In some embodiments, a first sensor terminal unit is disposed at a first monitoring point and within the first flameproof box, wherein the first monitoring point is located in a first direction at the top platform, the first sensor terminal unit comprising a first strain gauge, a first inclinometer, and a second inclinometer.
The strain gauge is used for measuring stress parameters of the top platform, the first inclinometer is used for measuring X inclination parameters of the top platform along a second direction, and the second inclinometer is used for measuring Y inclination parameters of the top platform along a third direction.
The second sensor terminal unit is arranged at a second monitoring point and is arranged in the second explosion-proof box, wherein the second monitoring point is positioned on the side wall of the main shaft and above the horizontal plane along the first direction, and the second sensor terminal unit comprises a second strain gauge which is used for measuring a second stress parameter of the side wall of the main shaft.
By adopting the technical scheme, as the pontoon device is positioned in the explosion-proof area, the first explosion-proof box and the second explosion-proof box are respectively arranged for accommodating the first sensor terminal unit and the second sensor terminal unit, so that the existing sensor equipment (such as a strain gauge and an inclinometer) can not be subjected to explosion-proof modification, and the monitoring cost is greatly reduced.
The first explosion-proof box is tightly attached to the top plane of the main shaft, so that the first strain gauge positioned in the first explosion-proof box can timely monitor the stress change of the upper part of the pontoon. The second explosion-proof box is closely attached to the side wall of the main shaft, so that the second strain gauge in the second explosion-proof box can timely monitor the stress change in the middle of the pontoon.
Further, the first sensor terminal unit further comprises a first displacement sensor, wherein the first displacement sensor is positioned in the first explosion-proof box and is used for detecting a first displacement parameter of the first monitoring point relative to the first reference position; the second sensor terminal unit further comprises a second displacement sensor which is positioned in the second explosion-proof box and used for detecting a second displacement parameter of the second monitoring point relative to the second reference position.
By adopting the technical scheme, the displacement sensor is additionally arranged to monitor displacement parameters, wherein due to the installation requirement of the displacement sensor, the displacement sensor is further provided with the horizontal installation plate, and therefore, the horizontal frame is further arranged outside the second explosion-proof box so as to keep the second explosion-proof box in a horizontal state.
In some embodiments, the first signal transmission unit and the second signal transmission unit are both disposed within an explosion-proof box, wherein an explosion-proof wireless transmission antenna is further disposed outside the explosion-proof box.
By adopting the technical scheme, the top platform is positioned at the joint of the main shaft and the rotary platform, so that the first monitoring point and the second monitoring point of the top platform cannot be connected in a wired manner, the main control unit is positioned on the rotary platform, and the explosion-proof wireless transmission antenna is additionally arranged, so that data can be transmitted smoothly.
In some embodiments, the first sensor terminal unit and the second sensor terminal unit are each provided with an amplifier.
By adopting the technical scheme, the amplifier is additionally arranged to be matched with the sensor equipment, so that the data measurement sensitivity of the first sensor terminal unit and the second sensor terminal unit can be effectively realized.
In some embodiments, a compass and a anemoscope are arranged on the rotary platform, and are respectively connected with the main control unit, wherein the compass can measure a deflection value and transmit the deflection value to the main control unit, and the deflection value is a deflection angle value of the rotary platform relative to a reference direction; the anemoscope can acquire an environmental wind direction value and transmit the environmental wind direction value to the main control unit.
By adopting the technical scheme, because the upper platform of the pontoon continuously rotates, the actual wind direction of the incoming wind cannot be accurately measured by the wind speed and the wind direction, the compass is additionally arranged, and the main control unit can conveniently compensate the wind direction of the environment according to the deflection value measured by the compass, so that the accurate wind direction is calculated, and the staff can conveniently analyze the measurement data of the first monitoring point and the second monitoring point based on the accurate wind direction.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it will be obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of a buoy according to one embodiment of the present invention;
FIG. 2 is a flow chart diagram of one embodiment of a buoy structure monitoring method for a single point mooring device provided by the present invention;
FIG. 3 is a flow chart diagram II of one embodiment of a buoy structure monitoring method for a single point mooring device provided by the present invention;
fig. 4 is a block diagram of one embodiment of a buoy structure monitoring system for a single point mooring provided by the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.
Referring to fig. 1 to 3, fig. 1 is a schematic structural view of an embodiment of a pontoon according to the application; FIG. 2 illustrates a flow chart diagram one embodiment of a buoy structure monitoring method for a single point mooring provided herein; fig. 3 shows a second flowchart of an embodiment of a buoy structure monitoring method for a single point mooring provided herein.
In a first aspect, the present invention provides a method for monitoring a buoy structure of a single point mooring device, wherein the buoy is provided with a main shaft 10 extending along a first direction and a rotating platform, the rotating platform is connected with the main shaft 10 and rotates relative to the main shaft 10, the main shaft 10 is in a fixed state, and a top platform 11 is arranged on the side of the main shaft 10 facing the rotating platform.
The buoy structure monitoring method for the single point mooring device comprises the following steps:
step S100 obtains a first stress parameter and an inclination parameter of the first monitoring point 20.
The first monitoring point 20 is located on the top platform 11 along the first direction, and the tilt parameters include an X tilt angle parameter of the top platform 11 along the second direction and a Y tilt angle parameter of the top platform 11 along the third direction. Illustratively, setting strain gauges and inclinometers at the first monitoring point 20 can obtain stress parameters of the top platform 11, wherein measuring the X inclination parameter and the Y inclination parameter can monitor the degree of protrusion of the top platform 11.
The strain gauge vibrating wire type strain gauge is mainly based on the monitoring principle that when a measured structural object deforms, the surface strain gauge is driven to deform, the deformation is transmitted to vibrating wires through a front end seat and a rear end seat and is converted into the change of the stress of the vibrating wires, and therefore the vibration frequency of the vibrating wires is changed. The measured value of the strain gauge is a stress parameter.
The inclinometer is used to monitor the inclination of the X, Y axis of the top plane. Illustratively, when the top platform 11 is deformed, it may appear that depressions, protrusions, etc. are significantly inclined to the top plane.
Step S110, determining that the first stress parameter is greater than the first standard stress parameter.
The strain gauge transmits the detected first strain parameter to the first signal acquisition unit 52, which is compared by the first signal acquisition unit 52 with the first standard stress parameter based on the data.
Step S120, determining that the inclination angle parameter is larger than the standard inclination angle parameter.
When the inclination degree of the horizontal plane needs to be measured, at least two inclinometers are arranged, wherein the first inclinometer measures an X inclination angle parameter, the second inclinometer measures a Y inclination angle parameter, wherein a standard X inclination angle parameter is arranged based on a second direction, and a standard Y inclination angle parameter is arranged based on a third direction.
Step S130, transmitting first alarm information, wherein the first alarm information includes a first stress parameter and an inclination parameter.
And when any numerical value exceeds the corresponding standard value, triggering an alarm state. Furthermore, an acceleration threshold can be set for the inclinometer, and the first alert information is also sent when the inclinometer monitors that the top platform 11 is protruding, and that the protruding acceleration (i.e., the inclination rate of change) exceeds the acceleration threshold.
Step S200, obtaining a second stress parameter of the second monitoring point 30.
The second monitoring point 30 is arranged on the side wall of the main shaft 10 and is located above the horizontal plane along the first direction, so that the structure in the middle of the pontoon can be monitored when the second monitoring point 30 is monitored. The second stress parameter is obtained in the same manner as the first stress parameter.
Step S210, determining that the second stress parameter is greater than the second standard stress parameter.
Since the environments in the middle and upper parts of the pontoon are different, the probability of being subjected to external impact and the degree of compression when being subjected to impact are different under normal use conditions. Therefore, the staff can debug the first standard stress parameter and the second standard stress parameter according to the actual situation.
Step S220, transmitting second alarm information, wherein the second alarm information includes a second stress parameter.
And when the second strain parameter is higher than the early warning value, immediately sending an alarm. Therefore, real-time monitoring of the parts which are difficult to manually contact and check is effectively realized.
The first monitoring point 20 and the second monitoring point 30 are combined for monitoring, so that real-time monitoring of the main body part of the pontoon is realized. In a normal state, the data acquired by the first monitoring point 20 and the data acquired by the second monitoring point 30 can be mutually verified.
In some embodiments, as shown in connection with fig. 1, the rotary platform is further provided with an oil delivery pipe 12; the oil delivery pipe 12 is used for being connected with a floating oil pipe (not shown in the figure), and the third monitoring point 40 is additionally arranged on the oil delivery pipe 12, so that the safety of oil delivery can be effectively enhanced, and the real-time monitoring of staff is facilitated.
It comprises the following steps: acquiring a third stress parameter of a third monitoring point 40, wherein the third monitoring point 40 is positioned on the side wall of the oil delivery pipe 12 along the first direction, and determining that the third stress parameter is larger than a third standard stress parameter; and transmitting third alarm information, wherein the third alarm information comprises a third stress parameter.
In some embodiments, other characteristics for deformation also include displacement, which normally would also oscillate back and forth, since the buoy usage scenario employed by the single point mooring is in the offshore domain. Therefore, the displacement parameter is added as a measurement standard, which comprises the following steps:
acquiring a first displacement parameter of the first monitoring point 20, wherein the first displacement parameter is a relative displacement value of the first monitoring point 20 relative to a first reference position; determining that the first displacement parameter is greater than the first standard displacement parameter; and sending first alarm information, wherein the first alarm information further comprises a first displacement parameter.
Acquiring a second displacement parameter of the second monitoring point 30, wherein the second displacement parameter is a relative displacement value of the second monitoring point 30 relative to a second reference position; determining that the second displacement parameter is greater than the second standard displacement parameter; and transmitting second alarm information, wherein the second alarm information comprises a second displacement parameter.
Illustratively, the first monitoring point 20 and the second monitoring point 30 can be additionally provided with acceleration sensors, and the first acceleration parameter of the first monitoring point 20 and the second acceleration parameter of the second monitoring point 30 are measured, so that the first acceleration parameter and the first displacement parameter are combined to obtain the vibration of the first monitoring point 20, and the second acceleration parameter and the second displacement parameter are combined to obtain the vibration of the second monitoring point 30. The vibration scene can be found in time by the staff.
In some embodiments, the buoy structure monitoring method for a single point mooring device further comprises:
acquiring a first stress parameter of a first monitoring point 20 at a first timeAnd Tilt parameter->Acquiring a first stress parameter of a first monitoring point 20 at a second time>And Tilt parameter->The first time to the second time have a set time interval; a first strain curve and a tilt angle change curve are generated. Acquiring a second stress parameter of the second monitoring point 30 at the first time +.>Acquiring a second stress parameter of a second monitoring point 30 at a second time>A second strain curve is generated.
In this embodiment of the present application, a change curve is drawn according to data measured at a first time and a second time, where the first time and the second time are set data acquisition time points. And generating each data change curve according to the measurement time. That is, each data value is transmitted to the remote monitoring workstation 50 through the main control unit 55 according to the set period in the non-alarm state, and the remote monitoring workstation 50 receives the data and generates a visual table, so that the user can check and compare the data conveniently.
Referring to fig. 4, fig. 4 shows a block diagram of an embodiment of a buoy structure monitoring system for a single point mooring provided herein.
In another aspect, the present application also provides a buoy structure monitoring system for a single point mooring device, as shown in connection with fig. 1 and 4, the single point mooring device being provided with a buoy provided with a main shaft 10 extending in a first direction and a swivel platform connected to the main shaft 10 and rotating relative to the main shaft 10, wherein the main shaft 10 is in a fixed state, and a top platform 11 is provided on a side of the main shaft 10 facing the swivel platform.
A buoy structure monitoring system for a single point mooring device comprising: the first sensor terminal unit 51, the first signal acquisition unit 52, the second sensor terminal unit 53, the second signal acquisition unit 54, and the main control unit 55.
The first sensor terminal unit 51 is capable of acquiring a first stress parameter and an inclination parameter of the first monitoring point 20; the first signal acquisition unit 52 is configured to enable the first stress parameter to be greater than the first standard stress parameter and/or the tilt parameter to be greater than the standard tilt parameter.
The second sensor terminal unit 53 is capable of acquiring a second stress parameter of the second monitoring point 30; the second signal acquisition unit 54 is configured to enable the second stress parameter to be greater than the second standard stress parameter; the main control unit 55 can transmit the first alarm information and the second alarm information to the remote monitoring workstation 50.
In the embodiment of the application, the first monitoring point 20 is provided with the first sensor terminal unit 51 to detect and acquire data parameters, and the second monitoring point 30 is provided with the second sensor terminal unit 53 to detect and acquire data parameters, so as to realize the data monitoring pontoon. When the alarm information exceeds the set standard threshold, the alarm information is sent timely, so that the staff can conveniently maintain or check the alarm information at fixed points. In addition, the first sensor terminal unit 51 performs data preprocessing through the first signal acquisition unit 52, and the second sensor terminal unit 53 performs data preprocessing through the second signal acquisition unit 54, so that a worker can effectively acquire information and remotely monitor the pontoon status.
In some embodiments, a first sensor terminal unit 51 is provided at the first monitoring point 20 and is disposed within the first flameproof box, wherein the first monitoring point 20 is located in the first direction at the top platform 11, and the first sensor terminal unit 51 comprises a first strain gauge, a first inclinometer, and a second inclinometer.
The strain gauge is used to measure a stress parameter of the top stage 11, the first inclinometer is used to measure an X inclination parameter of the top stage 11 in the second direction, and the second inclinometer is used to measure a Y inclination parameter of the top stage 11 in the third direction.
The second sensor terminal unit 53 is disposed at the second monitoring point 30 and is disposed in the second explosion-proof box, where the second monitoring point 30 is located on the sidewall of the spindle 10 and located above the horizontal plane along the first direction, and the second sensor terminal unit 53 includes a second strain gauge for measuring a second stress parameter of the sidewall of the spindle 10.
In this embodiment of the application, because the pontoon device is in the explosion-proof region, set up first explosion-proof box and second explosion-proof box respectively and be used for holding first sensor terminal unit 51 and second sensor terminal unit 53 for current sensor equipment (for example strainometer and inclinometer) can not carry out explosion-proof repacking, thereby reduce monitoring cost by a wide margin.
Illustratively, the first sensor terminal unit 51 further includes a first displacement sensor located within the first explosion proof box and configured to detect a first displacement parameter of the first monitoring point 20 relative to the first reference position; the second sensor terminal unit 53 further includes a second displacement sensor located within the second explosion proof box and configured to detect a second displacement parameter of the second monitoring point 30 relative to a second reference position.
The displacement sensor is further provided with a horizontal mounting plate, so that a horizontal frame is further arranged outside the second explosion-proof box to keep the second explosion-proof box in a horizontal state.
In some embodiments, the first signal transmission unit and the second signal transmission unit are both disposed within an explosion-proof box, wherein an explosion-proof wireless transmission antenna is further disposed outside the explosion-proof box.
In this embodiment of the present application, the top platform 11 is located the junction of the spindle 10 and the rotary platform, so that the first monitoring point 20 and the second monitoring point 30 of the top platform 11 cannot be connected in a wired manner, and the main control unit 55 is located the rotary platform, and an explosion-proof wireless transmission antenna is additionally arranged, so that data can be transmitted smoothly.
In some embodiments, the first sensor terminal unit 51 and the second sensor terminal unit 53 are provided with an amplifier, respectively.
In the embodiment of the present application, the amplifier is additionally provided to be used in cooperation with the sensor device, so that the data measurement sensitivity of the first sensor terminal unit 51 and the second sensor terminal unit 53 can be effectively obtained.
In some embodiments, a compass and a anemoscope are arranged on the rotary platform, and the compass and the anemoscope are respectively connected with the main control unit 55, wherein the compass can measure a deflection value and transmit the deflection value to the main control unit 55, and the deflection value is a deflection angle value of the rotary platform relative to a reference direction; the anemometer can acquire the ambient wind direction value and transmit it to the main control unit 55.
Because the upper platform of the pontoon continuously rotates, the actual wind direction of the incoming wind cannot be accurately measured by the wind speed and the wind direction alone, and the compass is additionally arranged, so that the main control unit 55 can conveniently compensate the wind direction of the environment according to the deflection value measured by the compass, thereby measuring and calculating the accurate wind direction, and facilitating the analysis of the measurement data of the first monitoring point 20 and the second monitoring point 30 by the staff based on the accurate wind direction.
The reference direction is a reference direction for measuring other directions, such as the north direction; the reference bits include a first reference bit and a second reference bit, and are reference points for measuring displacement parameters. The displacement generated by the offset reference position is not limited in the direction, and only the displacement value is measured and obtained.
The foregoing description is only of embodiments of the present invention, and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields using the descriptions and drawings of the present invention should be carried within the scope of the present invention.

Claims (10)

1. A buoy structure monitoring method for a single point mooring device provided with a buoy provided with a main shaft extending in a first direction and a rotary platform connected to and rotating relative to the main shaft, wherein the main shaft is in a stationary state and a top platform is provided on a side of the main shaft facing the rotary platform, comprising:
acquiring a first stress parameter and an inclination angle parameter of a first monitoring point, wherein the first monitoring point is positioned on the top platform along the first direction, and the inclination angle parameter comprises an X inclination angle parameter of the top platform along the second direction and a Y inclination angle parameter of the top platform along the third direction;
determining that the first stress parameter is greater than a first standard stress parameter and/or the tilt angle parameter is greater than a standard tilt angle parameter;
transmitting first alarm information, wherein the first alarm information comprises the first stress parameter and the inclination angle parameter;
acquiring a second stress parameter of a second monitoring point, wherein the second monitoring point is positioned on the side wall of the main shaft and is positioned above a horizontal plane along the first direction;
determining that the second stress parameter is greater than a second standard stress parameter;
and sending second alarm information, wherein the second alarm information comprises the second stress parameter.
2. The method for buoy structure monitoring of a single point mooring device according to claim 1, wherein the rotary platform is further provided with an oil delivery pipe; the oil delivery pipe is used for being connected with a floating oil pipe, and the buoy structure monitoring method for the single-point mooring device further comprises the following steps:
acquiring a third stress parameter of a third monitoring point, wherein the third monitoring point is positioned on the side wall of the oil delivery pipe along the first direction, and determining that the third stress parameter is larger than a third standard stress parameter;
and sending third alarm information, wherein the third alarm information comprises the third stress parameter.
3. The buoy structure monitoring method for a single point mooring device of claim 1, further comprising:
acquiring a first displacement parameter of the first monitoring point, wherein the first displacement parameter is a relative displacement value of the first monitoring point relative to a first reference position;
determining that the first displacement parameter is greater than a first standard displacement parameter;
transmitting the first alarm information, wherein the first alarm information further comprises the first displacement parameter;
acquiring a second displacement parameter of the second monitoring point, wherein the second displacement parameter is a relative displacement value of the second monitoring point relative to a second reference position;
determining that the second displacement parameter is greater than a second standard displacement parameter;
and transmitting the second alarm information, wherein the second alarm information comprises the second displacement parameter.
4. The buoy structure monitoring method for a single point mooring device of claim 1, further comprising:
acquiring a first stress parameter of the first monitoring point at a first timeAnd Tilt parameter->
Acquiring a first stress parameter of the first monitoring point at a second timeAnd Tilt parameter->Wherein the first time to the second time have a set time interval;
generating a first strain curve and an inclination angle change curve;
acquiring the first timeSecond stress parameter of the second monitoring point
Acquiring a second stress parameter of the second monitoring point at the second time
A second strain curve is generated.
5. A buoy structure monitoring system for a single point mooring provided with a buoy provided with a main shaft extending in a first direction and a rotary platform connected with and rotating relative to the main shaft, wherein the main shaft is in a stationary state, the main shaft having a top platform towards one side of the rotary platform, comprising:
the first sensor terminal unit can acquire a first stress parameter and an inclination angle parameter of a first monitoring point;
the first signal acquisition unit is used for enabling the first stress parameter to be larger than a first standard stress parameter and/or enabling the inclination angle parameter to be larger than a standard inclination angle parameter;
the second sensor terminal unit can acquire a second stress parameter of a second monitoring point;
the second signal acquisition unit is used for enabling the second stress parameter to be larger than a second standard stress parameter;
the main control unit can send the first alarm information and the second alarm information to the remote monitoring workstation.
6. The buoy structure monitoring system for a single point mooring device of claim 5, comprising:
the first sensor terminal unit is arranged at a first monitoring point and is arranged in a first explosion-proof box, wherein the first monitoring point is positioned on the top platform along the first direction, and the first sensor terminal unit comprises a first strain gauge, a first inclinometer and a second inclinometer;
the strain gauge is used for measuring stress parameters of the top platform, the first inclinometer is used for measuring X inclination parameters of the top platform along a second direction, and the second inclinometer is used for measuring Y inclination parameters of the top platform along a third direction;
the second sensor terminal unit is arranged at a second monitoring point and is arranged in a second explosion-proof box, wherein the second monitoring point is positioned on the side wall of the main shaft and is positioned above the horizontal plane along the first direction, and the second sensor terminal unit comprises a second strain gauge which is used for measuring a second stress parameter of the side wall of the main shaft.
7. The buoy structure monitoring system for single point mooring according to claim 6, wherein the first sensor terminal unit further comprises a first displacement sensor located within the first explosion proof box for detecting a first displacement parameter of the first monitoring point relative to a first reference position; the second sensor terminal unit further comprises a second displacement sensor, wherein the second displacement sensor is positioned in the second explosion-proof box and used for detecting a second displacement parameter of the second monitoring point relative to a second reference position.
8. The buoy structure monitoring system for single point mooring devices according to claim 5, wherein the first and second signal transmission units are both disposed within an explosion proof box, wherein an explosion proof wireless transmission antenna is further disposed outside the explosion proof box.
9. The buoy structure monitoring system for single point moorings of claim 5, wherein the first and second sensor terminal units are provided with an amplifier, respectively.
10. The buoy structure monitoring system for single point mooring devices according to claim 5, wherein a compass and a anemoscope are provided on the rotary platform, the compass and the anemoscope being respectively connected with the master control unit, wherein the compass is capable of measuring and transmitting to the master control unit a deflection value, which is a deflection angle value of the rotary platform relative to a reference direction; the anemoscope can acquire an environmental wind direction value and transmit the environmental wind direction value to the main control unit.
CN202311540510.3A 2023-11-17 2023-11-17 Buoy structure monitoring method and system for single-point mooring device Pending CN117571050A (en)

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CN202311540510.3A CN117571050A (en) 2023-11-17 2023-11-17 Buoy structure monitoring method and system for single-point mooring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311540510.3A CN117571050A (en) 2023-11-17 2023-11-17 Buoy structure monitoring method and system for single-point mooring device

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CN117571050A true CN117571050A (en) 2024-02-20

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