CN115077860A - Submarine optical cable damage detection device and detection method - Google Patents

Abstract

The invention discloses a submarine optical cable damage detection device and a submarine optical cable damage detection method, wherein the submarine optical cable damage detection device comprises: the fixing unit is used for realizing the fixation with the submarine optical cable; the position adjusting driving unit is connected with the fixing unit and comprises an upper water inlet and a lower water outlet; water flow is guided from an upper water inlet to a lower water outlet to flow out through a driving motor so as to obtain a reaction force, so that the device is always vertically upward; the optical cable data detection unit comprises 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; the ocean current power generation unit is connected with the position adjusting driving unit and comprises an ocean current deflection power generation mechanism and an energy storage battery which are connected with each other; the ocean current power generation unit is connected with the data processing unit, and the data processing unit receives data detected by the optical cable data detection unit and transmits the data through the data transmission unit.

Description

A kind of submarine optical cable damage detection device and detection method

technical field

The invention relates to the technical field of online detection of submarine optical cables, in particular to a detection device and detection method for damage to submarine optical cables.

Background technique

The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

Submarine optical cable, also known as submarine communication cable, is a wire wrapped with insulating material and laid on the seabed to establish telecommunication transmission between countries. The submarine optical cable system is mainly used to connect the optical cable and the Internet. It is divided into two parts: the shore equipment and the underwater equipment. The submarine optical cable is the most important and the most vulnerable part of the underwater equipment.

Due to the influence of harsh environments such as crustal movement, hurricane movement or submarine volcanoes, and frequent marine fishing activities, the problem of submarine cable damage has become increasingly prominent.

At present, after the submarine optical cable is damaged, especially the damage caused by natural factors, the fault location can only be achieved by segment-by-level search after the transmission of the submarine optical cable has a problem; Real-time monitoring and precise positioning.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention proposes a submarine optical cable damage detection device and detection method, which are arranged on the side of the submarine optical cable in an array form, can detect real-time data transmission, and can realize self-sufficiency of electric energy through ocean current generation.

In some embodiments, the following technical solutions are adopted:

A submarine optical cable damage detection device, comprising:

The fixing unit is used to realize the fixing with the submarine optical cable;

A position adjustment drive unit, connected with the fixed unit, includes an upper water inlet and a lower water outlet; the water flow is guided from the upper water inlet to the lower water outlet by the driving motor to obtain a reaction force, so that the device is always vertically upward;

an optical cable data detection unit, comprising a detection helical antenna wound on the outer surface of the optical cable and an optical cable magnetic field detection contact arranged on the detection helical antenna;

an ocean current power generation unit, connected with the position adjustment drive unit, and includes an ocean current deflection power generation mechanism and an energy 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 transmits the data through the data transmission unit.

As an optional solution, the fixing unit includes a grabbing end, and the top end of the grabbing end is connected to a buffer spring strut; the buffer spring strut is an elastic member that can be compressed downward when subjected to pressure; the catch The pick-up head 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.

As an optional solution, the position adjustment drive unit is connected between the fixed unit and the ocean current power generation unit, the position adjustment drive unit includes a drive box body, the drive box body is provided with a drive motor, and the drive boxes are respectively provided with Upper inlet and lower outlet.

As an optional solution, the ocean current power generation unit includes: a protective cylinder, and an auxiliary position adjustment dial is arranged on the outer side of the protective cylinder to guide the water current to face the ocean current.

As an optional solution, the ocean current deflection power generation mechanism includes a propeller blade, and the ocean current pushes the propeller blade to rotate to generate electricity.

As an optional solution, an indicator light is provided on the ocean current deflection transmission mechanism.

As an optional solution, a conical drainage shield is provided outside the data transmission unit, a data transmission metal guide rod is arranged at the top of the conical drainage shield, and a data transmission drive terminal is arranged inside the conical drainage shield. .

As an optional 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.

As an optional solution, the submarine optical cable is segmented, and each segment of the optical cable is provided with a submarine optical cable damage detection device.

In other embodiments, the following technical solutions are adopted:

A method for detecting damage to a submarine optical cable, comprising:

Fix the submarine optical cable damage detection device on the submarine optical cable;

Through the magnetic field detection contact of the optical cable 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;

Among them, the power required by the data processing unit and the data transmission unit is obtained by generating electricity from ocean currents.

Compared with the prior art, the beneficial effects of the present invention are:

(1) The fixing unit of the present invention can fix the main direction of the submarine optical cable. By controlling the elastic expansion and contraction of the first half ring relative to the second half ring, the optical cable can be locked, fixed and released.

(2) The optical cable data detection unit of the present invention can perform auxiliary fixing by detecting and detecting the spiral antenna, and at the same time, perform micro-magnetic field detection on the optical cable transmission through the optical cable magnetic field detection contact; segment detection of the submarine optical cable can be used in the event of optical cable damage or data transmission. Fast and accurate positioning can be performed during interruptions, which is convenient for maintenance personnel to perform fast and accurate positioning and repair and reduce economic losses.

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

(4) The data processing unit of the present invention can process the detection data of the submarine optical cable to judge whether the optical cable is working normally; at the same time, the data can be backed up and stored to avoid the loss of the signal and the incomplete data. The data processing unit can transmit data through the data transmission unit; it can be uploaded every day or every week, and the upload interval can be shortened when the data changes greatly.

Other features and advantages of additional aspects of the invention will be set forth in part from the description that follows, and in part will become apparent from the description below, or will be learned by practice of the present aspects.

Description of drawings

1 is a schematic diagram of the overall structure of a submarine optical cable damage detection device in an embodiment of the present invention;

2 is a schematic structural diagram of a fixed unit in an embodiment of the present invention;

3 is a schematic structural diagram of a position adjustment driving unit in an embodiment of the present invention;

4 is a schematic structural diagram of a data processing unit in an embodiment of the present invention;

5 is a schematic structural diagram of a data transmission unit in an embodiment of the present invention;

6 is a schematic structural diagram of an optical cable data detection unit in an embodiment of the present invention;

7 is a schematic structural diagram of an ocean current power generation unit in an embodiment of the present invention;

Among them, 1. Optical cable damage detection device body; 2. Fixed 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; 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 part Water inlet; 16. Data processing terminal; 17. Data launch access port; 18. Data backup storage mechanism; 19. Detection data access port; 20. Conical drainage shield; 21. Data launch metal guide rod; 22. Data transmission drive terminal; 23. Data transfer fixed port; 24. Detection and detection spiral antenna; 25. Optical cable magnetic field detection contact; 26. Detection of data output wire; 29. Auxiliary position adjustment dial; 30. Energy storage battery; 31. Ocean current deflection transmission mechanism; 32. Position marking signal indicator.

Detailed ways

It should be noted that the following detailed description is exemplary and intended to provide further explanation of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

Example 1

In one or more embodiments, a submarine optical cable damage detection device is disclosed, including an optical cable damage detection device body. Referring to FIG. 1 , the optical cable damage detection device body specifically includes:

The fixing unit 2 is used to realize the fixing with the submarine optical cable;

The position adjustment drive unit 3, connected with the fixed unit 2, includes an upper water inlet and a lower water outlet; the water flow is guided from the upper water inlet to the lower water outlet by the driving motor 14 to obtain a reaction force, so that the device is always vertical up;

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

The ocean current power generation unit 7 is connected to the position adjustment drive unit 3, and includes an ocean current deflection power transmission mechanism 31 and an energy 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 optical cable data detection unit 6 detects the data, and transmits the data through the data transmission unit 5.

Specifically, with reference to FIG. 2 , the fixing unit 2 includes a grabbing end, and the top end of the grabbing end is connected to the buffer spring strut 9 ; wherein, the grabbing end includes a first half ring 8 and a second half ring 10 , the second half ring The ring 10 is elastically expandable and retractable relative to the first half ring 8 . The grabbing end of this embodiment is a circular structure, the first half-ring 8 is fixed, and the second half-ring 10 can be elastically stretched along the inner channel of the first half-ring 8; the grabbing end can realize the detection device and the submarine optical cable. The second half ring 10 is compressed to make the optical cable enter the annular structure, and after the second half ring 10 is released, the annular structure can automatically hold the optical cable tightly to realize the fixing of the detection device and the submarine optical cable.

In this embodiment, the buffer spring strut 9 is an elastic member, which can be compressed downward when subjected to pressure; the detection device is affected by the movement of the crust or the displacement of the optical cable in the deep sea, which will cause the pressure inside the detection device to change; this The buffer spring strut 9 of the embodiment can buffer the influence of pressure changes by moving up and down, so as to avoid damage to the detection device caused by external pressure.

3, the position adjustment drive unit 3 is connected to the top of the fixed unit 2, the position adjustment drive unit 3 includes a drive box 11, one end of the drive box 11 is provided with a first adapter terminal 12, and the other end of the drive box 11 is provided with There is a second adapter terminal 13; the drive box 11 is connected to the first adapter port on the ocean current power generation unit 7 through the first adapter terminal 12, and is connected to the buffer spring of the fixed unit 2 through the second adapter terminal 13. The struts 9 are connected.

The driving box 11 is provided with a driving motor 14, and the driving box 11 is respectively provided with an upper water inlet 15 and a lower water outlet. When the position of the detection device is inclined, 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, which ensures that the detection device is always vertically upward.

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

5 , the outer side of the data transmission unit 5 is provided with a conical drainage shield 20 , the top of the conical drainage shield 20 is provided with a data emission metal guide rod 21 , and the inner side of the conical drainage shield 20 is provided with a data transmission drive terminal 22 . The other end of the transmission drive terminal 22 is provided with a data transfer fixed port 23 .

6, the optical cable data detection unit 6 includes a detection helical antenna 24 wound on the outer surface of the optical cable and an optical cable magnetic field detection contact 25 arranged on the detection helical antenna 24; the detection helical antenna 24 is connected with the detection data output wire 26, The other end of the detection data output wire 26 is connected to the bending and switching fixed terminal 27 , and the bending and switching 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, and whether the optical cable transmits data of normal operation.

With reference to FIG. 7 , the ocean current power generation unit 7 is arranged in a barrel-shaped structure, the two ends of the ocean current power generation unit 7 are provided with protective mechanism transfer ports 28 , the top of the side surface of the ocean current power generation unit 7 is provided with an auxiliary position adjustment dial 29 , and the inner bottom of the ocean current power generation unit 7 is provided. An ocean current power generation energy storage battery 30 is arranged at the end, an ocean current deflection power transfer mechanism 31 is provided on the side of the ocean current power generation unit 7, and a position mark signal indicator light 32 is provided on one side of the ocean current deflection power transfer mechanism 31, which is used to facilitate the passage of time when the detection equipment fails. Signal lights find and locate at close range.

In this embodiment, the ocean current deflection power generation mechanism 31 includes a propeller blade, and the ocean current pushes the propeller blade to rotate to generate electricity. The structure and function of the auxiliary position adjusting plate 29 is similar to the steering gear of a ship, and the purpose is to guide the water current to push the propeller blades against the ocean current, so as to improve the power generation efficiency.

When operating, first assemble the detection device as a whole, then fix the main direction through the fixing unit 2, then wind the optical cable through the optical cable data detection unit 6 for auxiliary fixing, start the power supply of the equipment, confirm whether the ocean current power generation unit 7 is working normally, and adjust the position. Whether the drive unit 3 can adjust the attitude with the change of the ocean current, whether the data processing unit 4 and the data transmission unit 5 can normally perform data transmission, and the detection device can be assembled in a single time after confirming that there is no error.

In this embodiment, the submarine optical cable can be divided into several sections, and each section is provided with the submarine optical cable damage detection device of this embodiment, which can realize fault location of the submarine optical cable.

Embodiment 2

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

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

(2) Through the optical cable magnetic field detection contact 25 wound on the detection helical antenna 24, the transmission data of the optical cable is detected in real time, and transmitted to the data processing unit 4, and the data processing unit 4 judges whether the optical cable works normally, and transmits the data through the data The unit 5 transmits it out; wherein, the power required by the data processing unit 4 and the data transmission unit 5 is obtained by generating electricity through ocean currents.

The specific implementation manner of the above process has been described in Embodiment 1, and will not be described in detail here.

Although the specific embodiments of the present invention have been described above in conjunction with the accompanying drawings, they do not limit the scope of protection of the present invention. Those skilled in the art should understand that on the basis of the technical solutions of the present invention, those skilled in the art do not need to pay creative efforts. Various modifications or deformations that can be made are still within the protection scope of the present invention.

Claims (10)

1. a submarine optical cable damage detection device, is characterized in that, comprises: The fixing unit is used to realize the fixing with the submarine optical cable; A position adjustment drive unit, connected with the fixed unit, includes an upper water inlet and a lower water outlet; the water flow is guided from the upper water inlet to the lower water outlet by the driving motor to obtain a reaction force, so that the device is always vertically upward; an optical cable data detection unit, comprising a detection helical antenna wound on the outer surface of the optical cable and an optical cable magnetic field detection contact arranged on the detection helical antenna; an ocean current power generation unit, connected with the position adjustment drive unit, and includes an ocean current deflection power generation mechanism and an energy 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 transmits the data through the data transmission unit. 2 . The device for detecting damage to a submarine optical cable according to claim 1 , wherein the fixing unit comprises a grab end, and the top of the grab end is connected to a buffer spring strut; the buffer spring strut is elastic. 3 . The gripping 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 device for detecting damage to a submarine optical cable according to claim 1, wherein the position adjustment drive unit is connected between the fixed unit and the ocean current power generation unit, and the position adjustment drive unit comprises a drive box, which drives A driving motor is arranged in the box body, and an upper water inlet and a lower water outlet are respectively arranged on the driving box. 4. A submarine optical cable damage detection device according to claim 1, wherein the ocean current power generation unit comprises: a protective cylinder, and an auxiliary position adjustment dial is provided on the outer side of the protective cylinder for guiding the water flow to face the ocean currents. 5 . The device for detecting damage to a submarine optical cable according to claim 1 , wherein the ocean current deflection power-generating mechanism comprises a propeller blade, and the ocean current pushes the propeller blade to rotate to generate electricity. 6 . 6 . The device for detecting damage to a submarine optical cable according to claim 5 , wherein an indicator light is provided on the current deflection and transmission mechanism. 7 . 7 . The device for detecting damage to a submarine optical cable according to claim 1 , wherein a conical drainage shield is arranged outside the data transmission unit, and a data emission metal guide rod is arranged at the top of the conical drainage shield. 8 . , a data transmission drive terminal is arranged inside the conical drainage shield. 8 . The submarine optical cable damage detection device according to claim 1 , wherein the detection helical antenna of the optical cable data detection unit is connected to a data output wire, and the data output wire is connected to a data processing unit. 9 . 9 . The device for detecting damage to a submarine optical cable according to claim 1 , wherein the submarine optical cable is segmented, and a device for detecting damage to a submarine optical cable is arranged on each section of the optical cable. 10 . 10. A method for detecting damage to a submarine optical cable, comprising: Fix the submarine optical cable damage detection device on the submarine optical cable; Through the magnetic field detection contact of the optical cable 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; Among them, the power required by the data processing unit and the data transmission unit is obtained by generating electricity from ocean currents.

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