Sinking state real-time monitoring system

Abstract

The utility model provides a shipwreck state real-time monitoring system, which comprises a data acquisition system, a signal conversion system, an underwater sound wireless transmission system and a data integration processing terminal system, and transmitting terminals of the data acquisition system, the signal conversion system and the underwater sound wireless transmission system are arranged on a shipwreck. The receiving ends of the data integration processing terminal system and the underwater sound wireless transmission system are arranged on a construction mother ship; the data acquisition system comprises a positioning beacon, an attitude indicator, a depth finder, a pressure gauge, a two-dimensional image sonar and a flow velocity meter; the monitoring equipment adopted by the utility model is mature in technology, simple in structure, convenient to install and high in reliability, and can be widely popularized in the fields of sunken ship salvage operation and the like.

Description

Technical Field

[0001] This utility model relates to the field of shipwreck salvage and rescue technology, and in particular to a real-time monitoring system for the status of shipwrecks. Background Technology

[0002] During the salvage of a sunken ship, its condition is constantly changing. Technicians need to take appropriate salvage measures in a timely manner based on real-time data such as the ship's location, attitude, and draft. Therefore, the ability to obtain this information about the ship's condition in a timely and accurate manner is crucial to the salvage operation and may even be the key to the success or failure of the project.

[0003] For stranded vessels, their onboard positioning and navigation systems, inclinometers, magnetic compasses, and other status display devices typically have low accuracy and high latency, making it impossible to display and transmit information to the work vessel in real time. Traditional shallowing operations often rely on reading the draft gauges at the bow and stern to determine the ship's attitude, using buoys to pinpoint its location, and manually measuring water levels within compartments. Because the ship's condition changes constantly during shallowing operations, traditional monitoring methods are inherently lagging and inaccurate. For sunken vessels and salvage buoys, obtaining status information is even more difficult, often relying on divers' exploration or estimations based on the lifting height of crane vessels, which cannot meet the required accuracy.

[0004] In summary, there is a need to invent a device for monitoring the condition of sunken ships during salvage operations. Utility Model Content

[0005] This invention provides a real-time monitoring system for the status of sunken ships, which solves the problems of difficulty in obtaining data on the status of sunken ships, low accuracy, and insufficient timeliness in salvage operations.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A real-time monitoring system for the status of a sunken ship includes a data acquisition system, a signal conversion system, an underwater acoustic wireless transmission system, and a data integration and processing terminal system. The transmitters of the data acquisition system, signal conversion system, and underwater acoustic wireless transmission system are arranged on the sunken ship, while the receivers of the data integration and processing terminal system and underwater acoustic wireless transmission system are arranged on a construction mother ship. The data acquisition system includes a positioning beacon, an attitude sensor, a depth sounder, a pressure gauge, a two-dimensional image sonar, and a current meter.

[0008] The positioning beacon is installed at the bow and stern of the sunken ship. The positioning beacon collects the position coordinates of the sunken ship and generates a position signal.

[0009] The attitude sensor collects the tilt state of the shipwreck along each axis and generates tilt signals; the attitude sensor also collects the acceleration data of the shipwreck in each direction and generates acceleration signals.

[0010] Several depth sounders are installed on the outside of the shipwreck deck. The depth sounders collect the height of the points on the edge of the shipwreck deck from the mud surface and generate a first height signal.

[0011] Several pressure gauges are installed on the outside of the shipwreck deck. The pressure gauges collect the height of the points at the edge of the shipwreck deck from the water surface and generate a second height signal.

[0012] The two-dimensional image sonar scans two-dimensional images of the sunken ship underwater and generates image signals;

[0013] The current meter is installed on the deck of the sunken ship. The current meter collects the flow velocity and direction of the water around the sunken ship and generates water signals.

[0014] The data acquisition system collects data information about the sunken ship and sends the sunken ship status signal to the signal conversion system;

[0015] The shipwreck status signals include position signals, tilt signals, acceleration signals, first height signals, second height signals, image signals, and water body signals.

[0016] Furthermore, the signal conversion system receives the shipwreck status signal and converts it into a converted signal, which is then sent to the transmitter of the underwater acoustic wireless transmission system.

[0017] The transmitting end of the underwater acoustic wireless transmission system transmits the converted signal output by the signal conversion system to the receiving end of the underwater acoustic wireless transmission system, and the receiving end of the underwater acoustic wireless transmission system transmits the converted signal to the data integration and processing terminal system.

[0018] Furthermore, the transmitter and receiver are installed aligned.

[0019] Furthermore, the data acquisition system is connected to a generator or a battery.

[0020] Furthermore, the data integration and processing terminal displays the coordinates, attitude, draft, surrounding current velocity, and two-dimensional image information of the sunken ship in real time based on the conversion signal. The data integration and processing terminal integrates the seabed depth map of the waters surrounding the sunken ship, and displays the position of the sunken ship in the depth map in real time.

[0021] Furthermore, the flow meter is installed on the top of the shipwreck deck or in an open area of ​​the deck.

[0022] The beneficial effects of this utility model are as follows:

[0023] This invention acquires the status data of the sunken ship by deploying various high-precision monitoring devices on the ship and transmits it wirelessly to the construction mother ship for technical personnel to refer to, which can significantly improve the scientific nature and success rate of shipwreck salvage operations.

[0024] The monitoring equipment used in this invention is technologically mature, has a simple structure, is easy to install, and has high reliability. It can be widely promoted in fields such as shipwreck salvage operations.

[0025] This invention can be used under conditions of great depth (less than 200m) and high water pressure. Attached Figure Description

[0026] To more clearly illustrate the embodiments of this utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the arrangement of this utility model on a sunken ship.

[0028] Figure 2 This is a schematic diagram of the layout of this utility model on the construction mother ship.

[0029] Figure 3 This is a schematic diagram illustrating the working principle of this utility model.

[0030] Explanation of icon numbers:

[0031] 1. Data acquisition system; 11. Positioning beacon; 12. Attitude sensor; 13. Depth sounder; 14. Pressure gauge; 15. Two-dimensional image sonar; 16. Current meter; 2. Signal conversion system; 3. Underwater acoustic wireless transmission system; 31. Signal transmitter; 32. Signal receiver; 4. Data integration and processing terminal system. Detailed Implementation

[0032] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this utility model or its application or use. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0034] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to the present invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0035] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0036] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0037] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0038] This utility model provides a technical solution: a real-time monitoring system for the status of sunken ships, such as... Figure 1-3 As shown, the system includes a data acquisition system 1, a signal conversion system 2, an underwater acoustic wireless transmission system 3, and a data integration and processing terminal system 4. The shipwreck data acquisition system 1 includes a positioning beacon 11, an attitude sensor 12, a depth sounder 13, a pressure gauge 14, a two-dimensional image sonar 15, and a current meter 16, which are used to obtain various status data of the shipwreck. The above monitoring data are integrated into the signal conversion system 2, and after conversion, they are transmitted to the data integration and processing terminal 4 arranged on the construction mother ship 6 through the underwater acoustic wireless transmission system 3. The status of the shipwreck is visualized and information such as the shipwreck location, heading, draft, buoyancy, and settling force are obtained.

[0039] The sensors, systems, and hardware components used in the real-time monitoring system for shipwreck status can all meet the pressure resistance and watertightness requirements in water depths of less than 200m. The real-time monitoring system for shipwreck status can meet the requirements for use under deep and high water pressure conditions of less than 200m.

[0040] Positioning beacons 11 acquire the coordinates of the sunken ship. The heading of the sunken ship can be obtained by the relative positional relationship between two positioning beacons 11. The two positioning beacons 11 are fixedly installed in specific locations with a spacing of about 10m. They need to be installed in an open area to ensure that the positioning signal is not blocked. The attitude sensor 12 can be an inertial navigation device, which can acquire the three-dimensional attitude, heading, and acceleration of the sunken ship. The heading data can be imported into the data terminal to correct the heading data of the positioning beacons 11. The attitude sensor needs to be fixedly installed with its orientation consistent with the heading of the sunken ship. For the first installation, a total station or other measuring equipment is required to accurately measure the attitude of the sunken ship and calibrate the sensor data to eliminate installation errors and make the data output by the attitude sensor consistent with the data measured by the total station. The depth sounder 13 and the pressure gauge 14 are depth sensors, which are fixedly installed on the port and starboard sides of the bow and stern of the sunken ship. Usually, four units are installed to acquire the distance of the monitoring position from the mud surface and the water surface, respectively. After the location is determined, the divers will install the device. The 2D imaging sonar 15 will be installed in a fixed position as needed to scan 2D images of the shipwreck and its surrounding environment. The current meter 16 will be installed at a high position on the bow, avoiding obstructions on all sides, to accurately obtain the direction and velocity of the fluid around the ship. All the above data will be transmitted via wired connection to the signal conversion system 2, and then transmitted via network cable to the wireless bridge transmitter 31. The wireless bridge receiver 32 will receive the data and transmit it to the data integration terminal 4. The wireless bridge transmitter and receiver will be installed on the sides of the shipwreck and the construction mother ship, respectively, facing each other and ensuring that there are no obstructions between them.

[0041] All equipment on the wreck can be powered by batteries. For wrecks with power supply capabilities, shipboard power can be used, or a mobile generator can be used for power supply.

[0042] All equipment must obtain precise coordinates in the ship's coordinate system. The relative positions of positioning beacon 11, attitude sensor 12, depth sounder 13, pressure gauge 14, two-dimensional image sonar 15, and current meter 16 are measured using equipment such as a total station. The coordinates of the depth sensor are determined by comparing with the ship's drawings. All equipment coordinates must be input into the data integration and processing terminal 4.

[0043] The data integration and processing terminal 4 can obtain the ship's speed by differential analysis of the ship's position data, and obtain the bow and stern draft of the sunken ship by using depth data and coordinates from depth sensors. This data, along with the ship's attitude, can be directly displayed in real time on the terminal. Furthermore, the draft and compartment liquid level data can be imported into engineering software such as GHS and MOSES to calculate the ship's weight, buoyancy, settling force, and overall longitudinal strength, which are also displayed in real time on the terminal system. In addition, the terminal system also imports a water depth map of the area surrounding the shipwreck; during salvage operations, the ship's position is displayed in real time on the water depth map, allowing for real-time monitoring of the ship's status.

[0044] Salvage engineers use data terminals 4 on the mother ship to monitor the various conditions of the sunken ship and formulate or adjust the next construction plan accordingly.

[0045] The monitoring equipment used in this invention is technologically mature, simple in structure, easy to install, and highly reliable. By acquiring the status data of the stranded vessel through high-precision monitoring equipment and transmitting it wirelessly to the construction mother ship for technical personnel to refer to, it can significantly improve the scientific nature and success rate of the shallowing operation.

[0046] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A real-time monitoring system for the status of sunken ships, characterized in that: The system includes a data acquisition system, a signal conversion system, an underwater acoustic wireless transmission system, and a data integration and processing terminal system. The transmitters of the data acquisition system, signal conversion system, and underwater acoustic wireless transmission system are located on the shipwreck, while the receivers of the data integration and processing terminal system and underwater acoustic wireless transmission system are located on the construction mother ship. The data acquisition system includes a positioning beacon, an attitude sensor, a depth sounder, a pressure gauge, a two-dimensional image sonar, and a current meter. The positioning beacon is installed at the bow and stern of the sunken ship. The positioning beacon collects the position coordinates of the sunken ship and generates a position signal. The attitude sensor collects the tilt state of the shipwreck along each axis and generates tilt signals; the attitude sensor also collects the acceleration data of the shipwreck in each direction and generates acceleration signals. Several depth sounders are installed on the outside of the shipwreck deck. The depth sounders collect the height of the points on the edge of the shipwreck deck from the mud surface and generate a first height signal. Several pressure gauges are installed on the outside of the shipwreck deck. The pressure gauges collect the height of the points at the edge of the shipwreck deck from the water surface and generate a second height signal. The two-dimensional image sonar scans two-dimensional images of the sunken ship underwater and generates image signals; The current meter is installed on the deck of the sunken ship. The current meter collects the flow velocity and direction of the water around the sunken ship and generates water signals. The data acquisition system collects data information about the sunken ship and sends the sunken ship status signal to the signal conversion system; The shipwreck status signals include position signals, tilt signals, acceleration signals, first height signals, second height signals, image signals, and water body signals.

2. The real-time monitoring system for the status of sunken ships according to claim 1, characterized in that: The signal conversion system receives the sunken ship status signal and converts the sunken ship status signal into a converted signal, which is then sent to the transmitter of the underwater acoustic wireless transmission system. The transmitting end of the underwater acoustic wireless transmission system transmits the converted signal output by the signal conversion system to the receiving end of the underwater acoustic wireless transmission system, and the receiving end of the underwater acoustic wireless transmission system transmits the converted signal to the data integration and processing terminal system.

3. The real-time monitoring system for the status of sunken ships according to claim 1, characterized in that: The transmitter and receiver are installed aligned.

4. The real-time monitoring system for the status of sunken ships according to claim 1, characterized in that: The data acquisition system is connected to a generator or battery.

5. The real-time monitoring system for the status of sunken ships according to claim 2, characterized in that: The data integration and processing terminal displays the coordinates, attitude, draft, surrounding current velocity, and two-dimensional image information of the sunken ship in real time based on the converted signal. The data integration and processing terminal integrates the seabed depth map of the waters surrounding the sunken ship and displays the position of the sunken ship in the depth map in real time.

6. The real-time monitoring system for the status of sunken ships according to claim 1, characterized in that: The current meter is installed on the top of the shipwreck deck or in an open area of ​​the deck.

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