CN209833925U - Device for maintaining the orientation of the bow and the relative position between the floating body and the ship - Google Patents
Device for maintaining the orientation of the bow and the relative position between the floating body and the ship Download PDFInfo
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- CN209833925U CN209833925U CN201822016577.8U CN201822016577U CN209833925U CN 209833925 U CN209833925 U CN 209833925U CN 201822016577 U CN201822016577 U CN 201822016577U CN 209833925 U CN209833925 U CN 209833925U
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Abstract
The utility model relates to a keep bow position and body and relative position's between ship device. The method comprises the following steps: arranging a plurality of sensors for detecting the ambient condition data of the floating body on the floating body, and acquiring the ambient condition data of the floating body in real time; and constructing a floating body historical environment database according to the condition data of the surrounding environment where the floating body is located, which are acquired at different time periods or seasons throughout the year.
Description
Technical Field
The utility model relates to a device for keeping shuttle tanker's bow position to and keep relative position between body and the ship, this device is particularly useful for the liquid transport ship (if shuttle tanker) that the navigation target is marine fixed platform or floating platform.
Background
In subsea production of oil systems, ocean platforms are often used as floating bodies. In general, FPSO is a floating offshore oil production, storage, and delivery facility, and in recent years, a concept such as a single column floating production system has been proposed for MPSO having superior motion performance as compared with FPSO. MPSO is in particular a cylindrical or polygonal floating body, which stores the oil produced therein.
In order to safely and conveniently export the stored liquid to the shuttle transport ship, an export system is required to be arranged on the offshore platform with the liquid storage function and the structure (such as FPSO). For example, the existing 8 internal towers of the south China sea are moored in a ship shape FPSO, and the oil is extracted by adopting a mooring mode that a conventional shuttle tanker is leaned on in series. The shuttle oil tanker is moored at the stern of the FPSO hull, and a tail tug is arranged at the stern of the shuttle oil tanker and is pulled by the tail tug to keep certain tension, so that the shuttle oil tanker and the hull of the ship-shaped FPSO jointly rotate by taking an inner turret single point as a center under the action of a weathervane effect, and the rotating angle of the shuttle oil tanker and the hull of the ship-shaped FPSO can exceed 360 degrees within one day.
As is well known, the shuttle tanker weathervane effect is a result of the combined magnitude and direction of the resultant force created by the action of the wind and wave currents, and the magnitude and direction of the mooring tension applied by the stern tug, such that the bow orientation of the shuttle tanker is always determined by the combined magnitude and direction of the above-mentioned environmental and mooring forces. In order to be as compliant with the environmental conditions as possible, the fairlead (mooring point) is used as the center point of the weathervane effect revolution, and the orientation and the position of the fairlead are determined according to the environmental conditions of the platform; and the environmental conditions are regularly changed over a period of time or season. The system can only operate effectively if the law of the weather vane effect of the shuttle tanker moored at a certain point in different time periods or seasons throughout the year in the sea area is clarified, and the mooring point of the rotary single-point mooring fluid delivery system, such as the installation position and the position of a cable guide hole (device) on a platform, is determined according to the law.
In addition, if the phenomenon of VIM (sea platform vortex-induced motion) occurs in the MPSO, the MPSO moves transversely, and the mooring line (or the composite mooring line formed by chains and synthetic fiber cables) of the MPSO also moves, so if the shuttle tanker is close to the MPSO at the moment, the shuttle tanker may shuttle on the mooring line, and even the shuttle tanker may run the risk of colliding with the MPSO; in contrast, if the shuttle tanker is now far from the MPSO, there is a risk of hose leakage of oil.
In summary, the shuttle tanker must maintain the proper bow orientation while also maintaining the relative position with the float (e.g., MPSO).
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a keep bow position and body and relative position device between ship.
The technical scheme of the utility model is that:
an apparatus for maintaining the orientation of a bow and the relative position between a float and a vessel, comprising:
the sensors are arranged on the floating body and are in wireless communication connection with each other, and are used for detecting and acquiring the ambient condition data of the floating body;
the floating body historical environment database module is constructed according to the condition data of the surrounding environment where the floating body is located, which are acquired at different time periods or seasons throughout the year;
the system comprises a plurality of sensors which are arranged on a ship and are in wireless communication connection, wherein the sensors are used for detecting and collecting the ambient condition data of the ship;
the ship historical environment database module is constructed according to the condition data of the surrounding environment where the ship is located, which are acquired at different time periods or seasons throughout the year;
the real-time data acquisition module of the ship bow and the ship direction is used for acquiring the data of the ship bow and the ship direction in real time;
the ship bow and ship position historical database module is constructed according to the ship bow and ship position data collected in different time periods or seasons throughout the year;
the real-time floating body azimuth data acquisition module is used for acquiring the floating body azimuth data in real time;
the floating body position historical database module is constructed according to the ship bow and ship position data acquired in different time periods or seasons throughout the year;
the system comprises a floating body position calculation module and a floating body position control module, wherein the floating body position calculation module is used for calculating optimized floating body position data according to data from a floating body historical environment database, a ship bow and ship position historical database and a floating body position historical database and by combining real-time ship environment data, real-time ship bow and ship position data, real-time floating body position data and real-time floating body environment data, and then sending the optimized floating body position data to the floating body position control module.
Further, still include: the ship bow and ship azimuth calculation module is used for calculating optimized ship bow and ship azimuth data according to data from the floating body historical environment database, the ship bow and ship azimuth historical database and the floating body azimuth historical database and by combining real-time ship environment data, real-time ship bow and ship azimuth data, real-time floating body azimuth data and real-time floating body environment data, and then sending the optimized ship bow and ship azimuth data to the ship bow and ship azimuth control module.
Further, a historical database module of the relative position of the ship and the floating body is built according to the historical database of the ship bow and the ship position and the historical database of the floating body position.
Further, a relative position calculation module of the ship and the floating body and a relative position control module of the ship and the floating body are arranged on the ship, the relative position calculation module of the ship and the floating body is used for calculating optimized relative position data of the ship and the floating body according to the data from the historical database of the relative positions of the ship and the floating body and by combining real-time ship environment data, real-time ship bow and ship azimuth data, real-time floating body azimuth data and real-time floating body environment data, and then sending the optimized relative position data of the ship and the floating body to the relative position control module of the ship and the floating body.
Preferably, the sensors include a power flow sensor, a wind sensor and a wave sensor.
The beneficial effects of the utility model reside in that, acquire the information of wind (wind speed, direction etc.), trend (tide speed, direction etc.), ripples (cycle, height, direction etc.) as environmental information through the sensor, through the contrast with historical database to correctly, accurately evaluate the external force of exerting an effect to the hull, can decide minimum best position.
In addition, according to the present invention, the device for maintaining the bow orientation and the relative position between the floating body and the ship can provide the optimized data obtained finally as the feedforward control signal to the ship and the floating body, and control the bow orientation, the ship orientation and the floating body orientation together with the signal of the feedback control part. That is, the utility model discloses not only can realize feedback control, can realize feedforward control moreover, the direction that stage compensation before stronger external force can be avoided promptly, therefore is effective more really. The relative position between the floating body and the ship can be kept and controlled, thereby ensuring safe mooring and smooth shipment of oil and the like from the floating body.
Drawings
FIG. 1 is a schematic view of a ship according to the present invention;
fig. 2 is a schematic view of the floating body of the present invention;
fig. 3 is a schematic view of the overall structure of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and examples, such as the examples shown in fig. 1, 2 and 3.
An apparatus for maintaining the orientation of a bow and the relative position between a float and a vessel, comprising:
a plurality of sensors (23), (24) and (25) which are arranged on the floating body (2) and are in wireless communication connection, and are used for detecting and collecting the ambient condition data of the floating body;
the floating body historical environment database module is constructed according to the condition data of the surrounding environment where the floating body is located, which are acquired at different time periods or seasons throughout the year;
a plurality of wireless communication connected sensors (11), (12) and (13) mounted on the ship (1) for detecting and collecting the data of the environmental conditions around the ship;
the ship historical environment database module is constructed according to the condition data of the surrounding environment where the ship is located, which are acquired at different time periods or seasons throughout the year;
the real-time data acquisition module of the ship bow and the ship direction is used for acquiring the data of the ship bow and the ship direction in real time;
the ship bow and ship position historical database module is constructed according to the ship bow and ship position data collected in different time periods or seasons throughout the year;
the real-time floating body azimuth data acquisition module is used for acquiring the floating body azimuth data in real time;
the floating body position historical database module is constructed according to the ship bow and ship position data acquired in different time periods or seasons throughout the year;
the system comprises a floating body position calculation module (21) and a floating body position control module (22), wherein the floating body position calculation module is used for calculating optimized floating body position data according to data from a floating body historical environment database, a ship bow and ship position historical database and a floating body position historical database and by combining real-time ship environment data, real-time ship bow and ship position data, real-time floating body position data and real-time floating body environment data, and then sending the optimized floating body position data to the floating body position control module.
Further, still include: the ship bow and ship azimuth calculation module (14) is used for calculating optimized ship bow and ship azimuth data according to data from the floating body historical environment database, the ship bow and ship azimuth historical database and the floating body azimuth historical database, and by combining real-time ship environment data, real-time ship bow and ship azimuth data, real-time floating body azimuth data and real-time floating body environment data, and then sending the optimized ship bow and ship azimuth data to the ship bow and ship azimuth control module.
Further, a historical database module of the relative position of the ship and the floating body is built according to the historical database of the ship bow and the ship position and the historical database of the floating body position.
Further, a relative position calculation module of the ship and the floating body and a relative position control module of the ship and the floating body are arranged on the ship, the relative position calculation module of the ship and the floating body is used for calculating optimized relative position data of the ship and the floating body according to the data from the historical database of the relative positions of the ship and the floating body and by combining real-time ship environment data, real-time ship bow and ship azimuth data, real-time floating body azimuth data and real-time floating body environment data, and then sending the optimized relative position data of the ship and the floating body to the relative position control module of the ship and the floating body.
Preferably, the sensors include a power flow sensor, a wind sensor and a wave sensor.
The above description relates to only some embodiments of the present invention, and any replacement or modification made by those skilled in the art based on the spirit of the present invention should be covered by the protection scope of the present invention, which should be subject to the claims.
Claims (3)
1. An apparatus for maintaining the orientation of a bow and the relative position between a float and a vessel, comprising:
the sensors are arranged on the floating body and are in wireless communication connection with each other, and are used for detecting and acquiring the ambient condition data of the floating body;
the floating body historical environment database module is constructed according to the condition data of the surrounding environment where the floating body is located, which are acquired at different time periods or seasons throughout the year;
the system comprises a plurality of sensors which are arranged on a ship and are in wireless communication connection, wherein the sensors are used for detecting and collecting the ambient condition data of the ship;
the ship historical environment database module is constructed according to the condition data of the surrounding environment where the ship is located, which are acquired at different time periods or seasons throughout the year;
the real-time data acquisition module of the ship bow and the ship direction is used for acquiring the data of the ship bow and the ship direction in real time;
the ship bow and ship position historical database module is constructed according to the ship bow and ship position data collected in different time periods or seasons throughout the year;
the real-time floating body azimuth data acquisition module is used for acquiring the floating body azimuth data in real time;
the floating body position historical database module is constructed according to the ship bow and ship position data acquired in different time periods or seasons throughout the year;
the system comprises a floating body position calculation module and a floating body position control module, wherein the floating body position calculation module is used for calculating optimized floating body position data according to data from a floating body historical environment database, a ship bow and ship position historical database and a floating body position historical database and by combining real-time ship environment data, real-time ship bow and ship position data, real-time floating body position data and real-time floating body environment data, and then sending the optimized floating body position data to the floating body position control module.
2. The apparatus for maintaining the bow orientation and the relative position between the buoyant body and the vessel as claimed in claim 1, comprising: the ship bow and ship azimuth calculation module is used for calculating optimized ship bow and ship azimuth data according to data from the floating body historical environment database, the ship bow and ship azimuth historical database and the floating body azimuth historical database and by combining real-time ship environment data, real-time ship bow and ship azimuth data, real-time floating body azimuth data and real-time floating body environment data, and then sending the optimized ship bow and ship azimuth data to the ship bow and ship azimuth control module.
3. The apparatus for maintaining the bow azimuth and the relative position between the floating body and the ship according to claim 1 or 2, wherein a ship-to-floating body relative position history database module is constructed from the ship bow and ship azimuth history database and the floating body azimuth history database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016577.8U CN209833925U (en) | 2018-12-03 | 2018-12-03 | Device for maintaining the orientation of the bow and the relative position between the floating body and the ship |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016577.8U CN209833925U (en) | 2018-12-03 | 2018-12-03 | Device for maintaining the orientation of the bow and the relative position between the floating body and the ship |
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| Publication Number | Publication Date |
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| CN209833925U true CN209833925U (en) | 2019-12-24 |
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| CN201822016577.8U Active CN209833925U (en) | 2018-12-03 | 2018-12-03 | Device for maintaining the orientation of the bow and the relative position between the floating body and the ship |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436225A (en) * | 2018-12-03 | 2019-03-08 | 深圳市杉叶实业有限公司 | Keep the method and device of relative position between bow orientation and floating body and ship |
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2018
- 2018-12-03 CN CN201822016577.8U patent/CN209833925U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436225A (en) * | 2018-12-03 | 2019-03-08 | 深圳市杉叶实业有限公司 | Keep the method and device of relative position between bow orientation and floating body and ship |
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