An undersea optical cable damage detection device and a detection method

Abstract

The present invention discloses an undersea optical cable damage detection device and a detection method, comprising: a fixing unit for fixing to the undersea optical cable; a position adjustment driving unit connected to the fixing unit, including an upper water inlet and a lower water outlet; the driving motor is used to guide the water flow from the upper water inlet to flow out from the lower water outlet to obtain a reaction force, so that the device is always vertically upward; an optical cable data detection unit, including a detection spiral antenna wound on the outer surface of the optical cable and an optical cable magnetic field detection contact arranged on the detection spiral antenna; an ocean current power generation unit connected to the position adjustment driving unit, including an ocean current deflection power generation mechanism and a storage battery connected to each other; the ocean current power generation unit is connected to a data processing unit, and the data processing unit receives the data detected by the optical cable data detection unit and performs data transmission through a data transmission unit.

Description

Technical Field

[0001] The present invention relates to the technical field of submarine optical cable on-line detection, and particularly to a submarine optical cable damage detection device and a detection method. Background Art

[0002] The statements in this part merely provide background technical information related to the present invention and do not necessarily constitute prior art.

[0003] A submarine optical cable, also known as a submarine communication cable, is a wire wrapped with insulating material and laid on the seabed for establishing telecommunication transmission between countries. The submarine optical cable system is mainly used to connect optical cables and the Internet. It is divided into two major parts: onshore equipment and underwater equipment. The submarine optical cable is the most important and also the most vulnerable part of the underwater equipment.

[0004] Due to the influence of adverse environments such as crustal movement, hurricane movement or submarine volcanoes, and frequent marine fishery activities, the problem of submarine optical cable damage is becoming increasingly prominent.

[0005] Currently, after a submarine optical cable is damaged, especially due to natural factors, it can only be fault located by segmentally searching step by step after problems occur in the submarine optical cable transmission; it is very difficult for the prior art to perform on-line real-time monitoring and precise positioning of submarine optical cables. Summary of the Invention

[0006] To solve the above problems, the present invention provides a submarine optical cable damage detection device and a detection method, which are arranged on the side of the submarine optical cable in an array form, can detect the real-time data transmission situation, and can achieve self-sufficiency of electric energy through ocean current power generation.

[0007] In some embodiments, the following technical solutions are adopted:

[0008] A submarine optical cable damage detection device includes:

[0009] A fixing unit for fixing to the submarine optical cable;

[0010] A position adjustment driving unit connected to the fixing unit, including an upper water inlet and a lower water outlet; the driving motor guides the water flow from the upper water inlet to the lower water outlet to flow out to obtain a reaction force, so that the device is always vertically upward;

[0011] An optical cable data detection unit, including a detection spiral antenna wound around the outer surface of the optical cable and an optical cable magnetic field detection contact arranged on the detection spiral antenna;

[0012] An ocean current power generation unit connected to the position adjustment driving unit, including an ocean current deflection power generation mechanism and a storage battery connected to each other;

[0013] The ocean current power generation unit is connected to the data processing unit, and the data processing unit receives the data detected by the optical cable data detection unit and transmits the data through the data transmission unit.

[0014] As an alternative solution, the fixing unit includes a grasping end, and the top of the grasping end is connected to a buffer spring strut; the buffer spring strut is an elastic member that can be compressed downward under pressure; the grasping end includes a first half-ring and a second half-ring, and the second half-ring can elastically expand and contract relative to the first half-ring.

[0015] As an alternative solution, the position adjustment driving unit is connected between the fixing unit and the ocean current power generation unit. The position adjustment driving unit includes a driving box body, a driving motor is provided in the driving box body, and an upper water inlet and a lower water outlet are respectively provided on the driving box body.

[0016] As an alternative solution, the ocean current power generation unit includes: a protective cylinder body, and an auxiliary position adjustment dial is provided on the outer side of the protective cylinder body for guiding the water flow to face the ocean current directly.

[0017] As an alternative solution, the ocean current deflection power generation mechanism includes propeller blades, and the ocean current pushes the propeller blades to rotate to generate electricity.

[0018] As an alternative solution, an indicator light is provided on the ocean current deflection power generation mechanism.

[0019] As an alternative solution, a conical drainage shield is provided outside the data transmission unit, a data transmitting metal guide rod is provided at the top of the conical drainage shield, and a data transmitting driving terminal is provided inside the conical drainage shield.

[0020] As an alternative solution, the detection spiral antenna of the optical cable data detection unit is connected to a data output wire, and the data output wire is connected to the data processing unit.

[0021] As an alternative solution, the submarine optical cable is segmented, and a submarine optical cable damage detection device is provided on each segment of the optical cable.

[0022] In some other embodiments, the following technical solutions are adopted:

[0023] A method for detecting damage to a submarine optical cable includes:

[0024] Fixing the submarine optical cable damage detection device on the submarine optical cable;

[0025] Through the optical cable magnetic field detection contact points wound on the detection spiral antenna, the transmission data of the optical cable is detected in real time and transmitted to the data processing unit. The data processing unit judges whether the optical cable is working normally and transmits the data through the data transmission unit;

[0026] Among them, the power supplies required for the data processing unit and the data transmission unit are both obtained through ocean current power generation.

[0027] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0028] (1) The fixing unit of the present invention can fix the submarine optical cable in the main direction. By controlling the elastic expansion and contraction of the first half-ring relative to the second half-ring, the locking and fixing and the release and loosening of the optical cable can be realized.

[0029] (2) The optical cable data detection unit of the present invention can perform auxiliary fixation by detecting the detection spiral antennae. At the same time, it can perform micro-magnetic field detection on the optical cable transmission through the optical cable magnetic field detection contacts; perform segmented detection on the submarine optical cable, and can quickly and accurately locate when the optical cable is damaged or the data transmission is interrupted, facilitating the maintenance personnel to perform quick and accurate positioning and repair, and reducing economic losses.

[0030] (3) The position adjustment driving unit of the present invention can drive the water flow to flow from top to bottom through the driving motor to obtain a reaction force, so that the detection device is always vertically upward; it can simply and effectively realize the automatic attitude adjustment of the detection device.

[0031] (4) The data processing unit of the present invention can process the submarine optical cable detection data to judge whether the optical cable is working properly; at the same time, it can perform data backup storage to avoid incomplete data caused by signal loss. The data processing unit can transmit the data through the data transmission unit; it can be uploaded daily or weekly, and the upload interval can be shortened when the data changes greatly.

[0032] Other features and advantages of the additional aspects of the present invention will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of this aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure of the submarine optical cable damage detection device in the embodiment of the present invention;

[0034] Figure 2 It is a schematic diagram of the structure of the fixing unit in the embodiment of the present invention;

[0035] Figure 3 It is a schematic diagram of the structure of the position adjustment driving unit in the embodiment of the present invention;

[0036] Figure 4 It is a schematic diagram of the structure of the data processing unit in the embodiment of the present invention;

[0037] Figure 5 It is a schematic diagram of the structure of the data transmission unit in the embodiment of the present invention;

[0038] Figure 6 Schematic diagram of the optical cable data detection unit structure in the embodiment of the present invention;

[0039] Figure 7 Schematic diagram of the ocean current power generation unit structure in the embodiment of the present invention;

[0040] Among them, 1. Optical cable damage detection device body; 2. Fixing unit; 3. Position adjustment drive unit; 4. Data processing unit; 5. Data transmission unit; 6. Optical cable data detection unit; 7. Ocean current power generation unit; 8. First half ring; 9. Buffer spring strut; 10. Second half ring; 11. Drive box; 12. First adapter end; 13. Second adapter end; 14. Drive motor; 15. Upper water inlet; 16. Data processing terminal; 17. Data transmission access port; 18. Data backup storage mechanism; 19. Detection data access port; 20. Conical drainage shield; 21. Data transmission metal guide rod; 22. Data transmission drive terminal; 23. Data transfer and fixing port; 24. Detection spiral antenna; 25. Optical cable magnetic field detection contact; 26. Detection data output wire; 27. Bent transfer and fixing end; 28. Protection mechanism transfer port; 29. Auxiliary position adjustment dial; 30. Energy storage battery; 31. Ocean current deflection power generation mechanism; 32. Position marking signal indicator light. Detailed implementation manners

[0041] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present application belongs.

[0042] It should be noted that the terms used herein are only for describing specific implementation manners and are not intended to limit the exemplary implementation manners according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0043] Embodiment 1

[0044] In one or more embodiments, an undersea optical cable damage detection device is disclosed, including an optical cable damage detection device body. Refer to Figure 1 , the optical cable damage detection device body specifically includes:

[0045] The fixing unit 2 is used to fix with the undersea optical cable;

[0046] The position adjustment driving unit 3, connected to the fixing unit 2, includes an upper water inlet and a lower water outlet; the driving motor 14 guides the water flow from the upper water inlet to the lower water outlet to obtain a reaction force, so that the device is always vertically upward;

[0047] The optical cable data detection unit 6 includes a detection spiral antenna 24 wound around the outer surface of the optical cable and an optical cable magnetic field detection contact 25 arranged on the detection spiral antenna 24;

[0048] The ocean current power generation unit 7, connected to the position adjustment driving unit 3, includes an ocean current deflection power generation mechanism 31 and a storage battery connected to each other; the ocean current power generation unit 7 is connected to the data processing unit 4, and the data processing unit 4 receives the data detected by the optical cable data detection unit 6 and performs data transmission through the data transmission unit 5.

[0049] Specifically, in combination with Figure 2 , the fixing unit 2 includes a grasping end, and the top of the grasping end is connected to a buffer spring strut 9; among them, the grasping end includes a first half ring 8 and a second half ring 10, and the second half ring 10 can elastically expand and contract relative to the first half ring 8. The grasping end of this embodiment is a circular ring structure, the first half ring 8 is fixed, and the second half ring 10 can elastically expand and contract along the inner channel of the first half ring 8; the grasping end can realize the convenient fixing of the detection device and the submarine optical cable; by compressing the second half ring 10, the optical cable enters the circular ring structure, and after releasing the second half ring 10, the circular ring structure can automatically hold the optical cable tightly to realize the fixing of the detection device and the submarine optical cable.

[0050] In this embodiment, the buffer spring strut 9 is an elastic member and can be compressed downward when subjected to pressure; the detection device in the deep sea will cause the internal pressure of the detection device to change due to the influence of crustal movement or the displacement of the optical cable; the buffer spring strut 9 of this embodiment can buffer the influence of pressure changes through up and down movement to avoid damage to the detection device caused by external pressure.

[0051] In combination with Figure 3 , the position adjustment driving unit 3 is connected to the top of the fixing unit 2. The position adjustment driving unit 3 includes a driving box body 11, a first adapter end 12 is arranged at one end of the driving box body 11, and a second adapter end 13 is arranged at the other end of the driving box body 11; the driving box body 11 is connected to the first adapter port on the ocean current power generation unit 7 through the first adapter end 12 and is connected to the buffer spring strut 9 of the fixing unit 2 through the second adapter end 13.

[0052] A driving motor 14 is provided in the driving box 11, and an upper water inlet 15 and a lower water outlet are provided on the driving box 11. When the position of the detection device is tilted, the process of guiding the water flow from the upper water inlet 15 to the lower water outlet by the driving motor 14 will generate a reaction force, and the reaction force ensures that the detection device is always vertically upward.

[0053] Combination Figure 4 The data processing unit 4 includes a data processing terminal 16, a data transmission access port 17 is provided on the top of the data processing terminal 16, a data backup storage mechanism 18 is provided at the bottom of the data processing terminal 16, and a detection data access port 19 is provided on the side of the data processing terminal 16. The function of the data processing unit 4 is to receive and store the detection data of the optical cable, determine whether the optical cable is working normally based on the received data, and transmit the judgment result through the data transmission unit 5.

[0054] Combination Figure 5 A conical drainage shield 20 is arranged on the outside of the data transmission unit 5, a data transmission metal guide rod 21 is arranged on the top of the conical drainage shield 20, a data transmission drive terminal 22 is arranged on the inside of the conical drainage shield 20, and a data transfer fixed port 23 is arranged at the other end of the data transmission drive terminal 22.

[0055] Combination Figure 6 The optical cable data detection unit 6 includes a detection spiral antenna 24 wound on the outer surface of the optical cable and an optical cable magnetic field detection contact 25 arranged on the detection spiral antenna 24; the detection spiral antenna 24 is connected to a detection data output wire 26, and the other end of the detection data output wire 26 is connected to a bending transfer fixed terminal 27, and the bending transfer fixed terminal 27 is connected to the detection data access port 19 of the data processing unit 4. The detection data output wire 26 is used to transmit real-time optical cable detection data, which is data indicating whether the optical cable is transmitting normally.

[0056] Combination Figure 7 The ocean current power generation unit 7 is arranged as a barrel-shaped structure, and protective mechanism transfer ports 28 are arranged at both ends of the ocean current power generation unit 7, an auxiliary position adjustment dial plate 29 is arranged at the top of the side of the ocean current power generation unit 7, an ocean current power generation energy storage battery 30 is arranged at the bottom of the inner side of the ocean current power generation unit 7, and an ocean current deflection power generation mechanism 31 is arranged on the side of the ocean current power generation unit 7. A position marking signal indicator light 32 is arranged on one side of the ocean current deflection power generation mechanism 31, which is used to facilitate close-range search and positioning through the signal light when the detection equipment fails.

[0057] In this embodiment, the current deflection power generation mechanism 31 includes propeller blades, and the current drives the propeller blades to rotate to generate electricity. The auxiliary position adjustment plate 29 has a similar structure to a ship steering gear, and its purpose is to guide the water flow to drive the propeller blades against the current to improve the power generation efficiency.

[0058] During operation, first assemble the detection device as a whole, then fix it in the main direction through the fixing unit 2, and then wind the optical cable through the optical cable data detection unit 6 for auxiliary fixing. Start the device power supply, and confirm whether the ocean current power generation unit 7 is working properly, whether the position adjustment drive unit 3 can adjust its attitude according to the changes in the ocean current, and whether the data processing unit 4 and the data transmission unit 5 can transmit data normally. After confirmation, the single assembly of the detection device is completed.

[0059] In this embodiment, the submarine optical cable can be divided into several sections, and the submarine optical cable damage detection device of this embodiment is arranged in each section, which can realize the fault location of the submarine optical cable.

[0060] Embodiment 2

[0061] In one or more embodiments, a method for detecting damage to a submarine optical cable is disclosed, which specifically includes the following processes:

[0062] (1) Fix the submarine optical cable damage detection device on the submarine optical cable;

[0063] (2) Through the optical cable magnetic field detection contact 25 wound around the detection spiral antenna 24, the transmission data of the optical cable is detected in real time and transmitted to the data processing unit 4. The data processing unit 4 determines whether the optical cable is working properly and transmits the data through the data transmission unit 5; among them, the power supplies required by the data processing unit 4 and the data transmission unit 5 are obtained through ocean current power generation.

[0064] The specific implementation of the above process has been described in Embodiment 1, and will not be elaborated here.

[0065] Although the specific implementation manners of the present invention are described above in conjunction with the accompanying drawings, it is not a limitation to the protection scope of the present invention. Those skilled in the art should understand that based on the technical solutions of the present invention, various modifications or deformations that can be made without creative efforts by those skilled in the art are still within the protection scope of the present invention.

Claims

1. An undersea optical cable damage detection device, characterized in that, Comprising: A fixing unit for realizing the fixation with the submarine optical cable; A position adjustment driving unit connected to the fixing unit, including an upper water inlet and a lower water outlet; The driving motor guides the water flow from the upper water inlet to flow out from the lower water outlet to obtain a reaction force, so that the device is always vertically upward; An optical cable data detection unit, including a detection spiral antenna wound around the outer surface of the optical cable and an optical cable magnetic field detection contact arranged on the detection spiral antenna; An ocean current power generation unit connected to the position adjustment driving unit, including an ocean current deflection power generation mechanism and a storage battery connected to each other; The ocean current power generation unit is connected to a data processing unit, and the data processing unit receives the data detected by the optical cable data detection unit and performs data transmission through a data transmission unit.

2. The submarine optical cable damage detection device according to claim 1, characterized in that, The fixing unit includes a grasping end, and a buffer spring strut is connected to the top of the grasping end; the buffer spring strut is an elastic member and can be compressed downward when subjected to pressure; the grasping end includes a first half ring and a second half ring, and the second half ring can elastically expand and contract relative to the first half ring.

3. The submarine optical cable damage detection device according to claim 1, characterized in that, The position adjustment driving unit is connected between the fixing unit and the ocean current power generation unit. The position adjustment driving unit includes a driving box body, a driving motor is arranged in the driving box body, and an upper water inlet and a lower water outlet are respectively arranged on the driving box body.

4. The submarine optical cable damage detection device according to claim 1, characterized in that The ocean current power generation unit includes: a protective cylinder body, and an auxiliary position adjustment deflector is arranged on the outer side of the protective cylinder body for guiding the water flow to face the ocean current.

5. The submarine optical cable damage detection device according to claim 1, characterized in that, The ocean current deflection power generation mechanism includes propeller blades, and the ocean current pushes the propeller blades to rotate to generate electricity.

6. The submarine optical cable damage detection device according to claim 5, characterized in that, An indicator light is arranged on the ocean current deflection power generation mechanism.

7. The submarine optical cable damage detection device according to claim 1, characterized in that, A conical drainage shield is arranged outside the data transmission unit. A data transmitting metal guide rod is arranged at the top of the conical drainage shield, and a data transmitting driving terminal is arranged inside the conical drainage shield.

8. The submarine optical cable damage detection device according to claim 1, wherein, The detection spiral antenna of the optical cable data detection unit is connected to a data output wire, and the data output wire is connected to the data processing unit.

9. The submarine optical cable damage detection device according to claim 1, characterized in that, The submarine optical cable is segmented, and a submarine optical cable damage detection device is arranged on each segment of the optical cable.

10. A method for detecting damage to a submarine optical cable, characterized in that, Applied to a submarine optical cable damage detection device according to any one of claims 1-9, including: Fixing the submarine optical cable damage detection device on the submarine optical cable; Through the optical cable magnetic field detection contact wound around the detection spiral antenna, the transmission data of the optical cable is detected in real time and transmitted to the data processing unit. The data processing unit judges whether the optical cable is working normally and transmits the data through the data transmission unit; Among them, the power supplies required by the data processing unit and the data transmission unit are both obtained by ocean current power generation.

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