Floating submarine cable calibration device
By using a floating submarine cable calibration device during the laying of submarine cables, it provides intuitive position information and automatically adjusts the connection line status, which solves the problem that construction personnel cannot intuitively observe the location of submarine cables, ensures the correctness of the laying path and avoids damage to submarine cables.
Patent Information
- Application Number
- CN202421016066.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-11
AI Technical Summary
During the laying of submarine cables, construction personnel cannot intuitively observe the location of the cables, resulting in uncertainty in the laying path, and the location of the cables cannot be intuitively understood after the laying of the submarine cables is completed, which can easily lead to the navigation of the ship or the construction of the construction work to damage the submarine cables.
Design a floating submarine cable calibration device, including a calibration unit arranged at uniform intervals along the coastal submarine cable, including a floating positioning ball, a retracting device and an induction coil, and controls the retracting and retracting of the connecting wire through the motor and torque sensor to provide intuitive position information , and automatically adjust the rotation state of the spool when the sea water buoyancy changes.
It realizes real-time observation and judgment of the cable position during the laying of submarine cables, ensures the correctness of the laying path, and provides accurate position information after the laying of submarine cables is completed, so as to avoid damage to submarine cables by ship navigation and other construction operations.
Smart Images
Figure CN222211709U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of submarine cable laying engineering, and in particular relates to a floating submarine cable calibration device. Background Art
[0002] In the process of laying submarine cables, it is very important to ensure the accurate positioning and correct laying path of the cables. At present, although the positioning can be carried out through the online monitoring device installed on the cable and the position can be displayed by the computer, during the on-site laying process, the construction personnel cannot directly observe the position of the submarine cable, so they cannot judge whether the laying path is correct in time, which causes great inconvenience to the submarine cable laying construction. In addition, after the submarine cable is laid, when ships are navigating, conducting marine operations or other submarine cable laying construction, it is easy to cause damage to the existing submarine cable because the location of the existing submarine cable cannot be directly understood. Therefore, there is a need for a floating submarine cable calibration device that can facilitate the intuitive and accurate observation of the submarine cable position. Utility Model Content
[0003] The purpose of the utility model is to provide a floating submarine cable calibration device, which can provide intuitive position information during the laying of submarine cables, so that construction personnel can observe and judge the position of the cables in real time to ensure the correctness of the laying path. At the same time, after the laying of the submarine cables is completed, accurate position information of the existing submarine cables can be provided to effectively avoid damage to the submarine cables caused by ship navigation and other construction operations.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] A floating submarine cable calibration device comprises a plurality of calibration units evenly spaced along the length direction of the submarine cable; the calibration units comprise a floating positioning ball, a retractable device connected to the floating positioning ball via a connecting line, and an induction coil connected to the retractable device via an insulating conductor and sleeved on the submarine cable; the floating positioning ball comprises a light-transmitting spherical shell, a photovoltaic cell panel attached to the inner wall of the light-transmitting spherical shell, and a light-emitting diode arranged inside the light-transmitting spherical shell and connected to the photovoltaic cell panel via a circuit.
[0006] A further improvement of the technical solution of the utility model is that the retractable device includes an insulating shell, a spool arranged inside the insulating shell and connected to a floating positioning ball through a connecting wire passing through the top of the insulating shell, and an electric motor connected to the spool through a transmission shaft, and the motor is connected to the induction coil through an insulating wire passing through the bottom of the insulating shell; the connecting wire is wound on the spool.
[0007] A further improvement of the technical solution of the utility model is that a torque sensor is arranged on the transmission shaft, a control switch is arranged on one end of the insulated wire close to the motor, and the torque sensor and the control switch are connected through a control line.
[0008] A further improvement of the technical solution of the utility model is that the torque threshold of the torque sensor is set to the buoyancy of seawater to which the floating positioning ball is subjected when floating on the sea level.
[0009] A further improvement of the technical solution of the utility model is that the interval range of each calibration unit is between 15-20m.
[0010] The further improvement of the technical solution of the utility model is that: the connecting line adopts nylon rope, and the light-transmitting spherical shell adopts polyetheretherketone or polytetrafluoroethylene.
[0011] Due to the adoption of the above technical solution, the technical progress achieved by the utility model is:
[0012] The calibration device of the utility model can provide intuitive position information during the laying of submarine cables, so that construction personnel can observe and judge the position of the cables in real time to ensure the correctness of the laying path. At the same time, after the laying of the submarine cables is completed, accurate position information of the existing submarine cables can be provided to effectively avoid damage to the submarine cables caused by ship navigation and other construction operations.
[0013] The retractable device adopted by the utility model has an insulating shell, which can realize the functions of pressure resistance, corrosion resistance, insulation, etc., and an adaptive motor and a bobbin are arranged inside the insulating shell, and the rotation of the bobbin is controlled by the motor to realize the retraction and release of the connecting line.
[0014] The power supply system of the electric motor of the utility model adopts an induction coil set on a submarine cable, and the induction coil is connected to the electric motor through an insulating wire running through an insulating shell. The induction coil can obtain induced electricity through electromagnetic conversion and supply power to the electric motor through a control switch on the insulating wire.
[0015] The electric motor and the bobbin of the utility model are connected through a transmission shaft, and a torque sensor is installed on the transmission shaft, which is linked to a control switch on the insulated wire through a control line, and the torque threshold of the torque sensor is set to the buoyancy of seawater on which the floating positioning ball is subjected when floating on the sea level. When the floating positioning ball is below the sea surface or encounters a rising sea level such as a high tide, the buoyancy on the floating positioning ball is greater than the torque threshold. At this time, the control switch is turned on, the motor is not powered on, and the motor rotates freely with the bobbin to realize the function of releasing the connecting line; when the floating positioning ball is above the sea surface or encounters a falling sea level such as a low tide, the buoyancy on the floating positioning ball is less than the torque threshold. At this time, the control switch is closed, and the motor is powered on to drive the bobbin to rotate, thereby realizing the function of retracting the connecting line. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the submarine cable calibration device of the utility model;
[0017] Figure 2 It is a structural schematic diagram of the retracting and releasing device in the submarine cable calibration device of the utility model;
[0018] Among them, 1. submarine cable, 2. floating positioning ball, 3. retracting and releasing device, 3-1. insulating shell, 3-2. bobbin, 3-3. transmission shaft, 3-4. motor, 3-5. torque sensor, 3-6. control switch, 3-7. control line, 4. connecting line, 5. insulated wire, 6. induction coil. DETAILED DESCRIPTION
[0019] The present invention is further described in detail below in conjunction with the embodiments:
[0020] like Figure 1 and Figure 2 As shown, a floating submarine cable calibration device includes a plurality of calibration units evenly spaced along the length direction of the submarine cable 1, and the interval range of each calibration unit is between 15-20m. The calibration unit includes a floating positioning ball 2, a retracting device 3, a connecting line 4, an insulated wire 5 and an induction coil 6. The floating positioning ball 2 is connected to the retracting device 3 through the connecting line 4, and the induction coil 6 is connected to the retracting device 3 through the insulated wire 5. The induction coil 6 is sleeved on the submarine cable 1. The induction coil 6 can obtain induced electricity through electromagnetic conversion to provide a power source for the retracting device 3, so that the retracting device 3 can release and retract the connecting line 4. Several calibration units can provide intuitive position information during the laying of submarine cables, so that construction personnel can observe and judge the position of the cable in real time to ensure the correctness of the laying path. At the same time, after the laying of the submarine cable is completed, accurate position information of the existing submarine cable can be provided to effectively avoid damage to the submarine cable caused by ship navigation and other construction operations.
[0021] The floating positioning ball 2 includes a light-transmitting spherical shell and photovoltaic panels and light-emitting diodes arranged inside the light-transmitting spherical shell. The photovoltaic panels are attached to the inner wall of the light-transmitting spherical shell, and the light-emitting diodes are connected to the photovoltaic panels through a circuit. The light-transmitting spherical shell is fully transparent and is made of high-temperature resistant plastic material that is resistant to seawater corrosion. Preferably, polyetheretherketone or polytetrafluoroethylene is used. Such materials have excellent mechanical and chemical properties, including heat resistance (up to 300°C), chemical resistance, wear resistance and transparency.
[0022] The retracting and releasing device 3 includes an insulating shell 3-1, a bobbin 3-2 disposed inside the insulating shell 3-1, and a motor 3-4 connected to the bobbin 3-2 through a transmission shaft 3-3. The motor 3-4 is connected to the induction coil 6 through an insulating wire 5 that passes through the bottom of the insulating shell 3-1. The bobbin 3-2 is connected to the floating positioning ball 2 through a connecting wire 4 that passes through the top of the insulating shell 3-1. The connecting wire 4 is wound around the bobbin 3-2 and can be made of a nylon rope that is resistant to seawater corrosion. The insulating shell 3-1 can achieve functions such as pressure resistance, corrosion resistance, and insulation. The motor 3-4 disposed inside it cooperates with the bobbin 3-2, and the rotation of the bobbin 3-2 is controlled by the motor 3-4, thereby realizing the retraction and release of the connecting wire 4.
[0023] Specifically, a torque sensor 3-5 is provided on the transmission shaft 3-3, and a control switch 3-6 is provided on one end of the insulated wire 5 close to the motor 3-4. The torque sensor 3-5 and the control switch 3-6 are connected through a control line 3-7, so that the torque sensor 3-5 and the control switch 3-6 are linked. The torque threshold of the torque sensor 3-5 is set to the buoyancy of the seawater when the floating positioning ball 2 floats on the sea level. When the floating positioning ball 2 is below the sea level or encounters a rising sea level such as a high tide, the buoyancy of the floating positioning ball 2 is greater than the torque threshold. At this time, the control switch 3-6 is turned on, the motor 3-4 is not powered at this time, and the motor 3-4 rotates freely with the line shaft 3-2 to realize the release function of the connecting line 4; when the floating positioning ball 2 is above the sea level or encounters a falling sea level such as a low tide, the buoyancy of the floating positioning ball 2 is less than the torque threshold. At this time, the control switch 3-6 is closed, and the motor 3-4 is powered to drive the line shaft 3-2 to rotate, realizing the retraction function of the connecting line 4.
[0024] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.
Claims
1. A floating submarine cable calibration device, characterized in that: The invention comprises a plurality of calibration units evenly spaced along the length direction of a submarine cable (1); the calibration units comprise a floating positioning ball (2), a retracting device (3) connected to the floating positioning ball (2) via a connecting line (4), and an induction coil (6) connected to the retracting device (3) via an insulating wire (5) and sleeved on the submarine cable (1); the floating positioning ball (2) comprises a light-transmitting ball shell, a photovoltaic cell panel attached to the inner wall of the light-transmitting ball shell, and a light-emitting diode arranged inside the light-transmitting ball shell and connected to the photovoltaic cell panel via a circuit.
2. A floating submarine cable marking device according to claim 1, characterized in that: The retractable device (3) comprises an insulating shell (3-1), a spool (3-2) arranged inside the insulating shell (3-1) and connected to a floating positioning ball (2) via a connecting line (4) passing through the top of the insulating shell (3-1), and a motor (3-4) connected to the spool (3-2) via a transmission shaft (3-3); the motor (3-4) is connected to an induction coil (6) via an insulating wire (5) passing through the bottom of the insulating shell (3-1); the connecting line (4) is wound around the spool (3-2).
3. A floating submarine cable marking device according to claim 2, characterized in that: The transmission shaft (3-3) is provided with a torque sensor (3-5), one end of the insulated wire (5) close to the motor (3-4) is provided with a control switch (3-6), and the torque sensor (3-5) and the control switch (3-6) are connected via a control line (3-7).
4. A floating submarine cable marking device according to claim 3, characterized in that: The torque threshold of the torque sensor (3-5) is set to the buoyancy of seawater to which the floating positioning ball (2) is subjected when floating on the sea surface.
5. A floating submarine cable marking device according to any one of claims 1 to 4, characterized in that: The interval between each calibration unit ranges from 15 to 20 meters.
6. A floating submarine cable marking device according to claim 5, characterized in that: The connecting line (4) is made of nylon rope, and the outer shell of the light-transmitting sphere is made of polyetheretherketone or polytetrafluoroethylene.