CN217110795U - Submarine cable buries degree of depth detecting system underground - Google Patents
Submarine cable buries degree of depth detecting system underground Download PDFInfo
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- CN217110795U CN217110795U CN202221016708.2U CN202221016708U CN217110795U CN 217110795 U CN217110795 U CN 217110795U CN 202221016708 U CN202221016708 U CN 202221016708U CN 217110795 U CN217110795 U CN 217110795U
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Abstract
The utility model discloses a submarine cable embedding depth detection system, which comprises a detection coil module, a data acquisition and storage module, a controller and an ultrasonic wave marine depth finder, wherein the detection coil module is fixed at the tail part of a test towing ship; the detection coil module comprises a direct current charging power supply, a pulse switch, a test coil, a discharge resistor and a voltage test unit; a circuit formed by the direct current charging power supply and the pulse switch is connected with the test coil, the discharge resistor and the voltage test unit in parallel; the data acquisition and storage module and the ultrasonic wave ocean depth finder are connected with the controller, the output end of the voltage testing unit is connected with the data acquisition and storage module, and the system can measure the burying depth of the submarine cable.
Description
Technical Field
The utility model belongs to submarine cable troubleshooting and construction field relate to a submarine cable buries degree of depth detecting system underground.
Background
Submarine cables, also commonly referred to as submarine cables, include cables, optical cables and photoelectric composite cables laid on the seabed and wrapped with reinforcing protective sleeves, and have the advantage that other means cannot be replaced in the fields of electric energy transmission, cross-sea communication, ocean engineering, new energy development and the like. With the acceleration of the research and development process of marine resources and the development of sea island economy, the number of submarine cables used at home and abroad is increasing continuously. The submarine cable engineering is one of the most complicated and difficult large-scale engineering in the marine industrial technology, and compared with a land cable, the submarine cable fault finding difficulty is high, the repairing time is long, and the repairing cost is high.
The submarine cable may fail due to natural disasters, device life and offshore operations. Once a fault occurs, a huge economic loss is caused, and the fault point needs to be found out as soon as possible to repair so as to reduce the loss. The submarine cable is usually buried under the seabed, and how to detect the buried depth of the submarine cable in submarine cable burying construction and maintenance has important significance for submarine cable line construction and fault maintenance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a submarine cable buries degree of depth detecting system underground, this system can measure submarine cable's the degree of depth of burying underground.
In order to achieve the above purpose, the submarine cable burying depth detecting system of the utility model comprises a detecting coil module, a data collecting and storing module, a controller and an ultrasonic wave marine depth finder, wherein the detecting coil module is fixed at the tail part of the test towing ship;
the detection coil module comprises a direct current charging power supply, a pulse switch, a test coil, a discharge resistor and a voltage test unit; a circuit formed by the direct current charging power supply and the pulse switch is connected with the test coil, the discharge resistor and the voltage test unit in parallel;
the data acquisition and storage module and the ultrasonic wave marine depth finder are connected with the controller, and the output end of the voltage test unit is connected with the data acquisition and storage module.
The voltage testing unit is connected with the data acquisition and storage module through a data transmission line.
The detection coil module is fixed at the tail part of the test towing ship through a multipoint positioning fixing device.
The touch screen control device further comprises a controller, and the controller is connected with the touch screen.
The voltage testing unit is a voltmeter.
The voltage testing unit is connected with the data acquisition and storage module in a wireless communication mode.
The utility model discloses following beneficial effect has:
submarine cable buries degree of depth detecting system underground when concrete operation, utilize metallic conductor to produce the principle of vortex in the magnetic field that changes, through arranging test coil, can confirm the actual position of submarine cable through induced voltage's feedback quantity, the data that ultrasonic wave ocean depth finder measurement obtained of deuterogamying can obtain the actual buried depth of submarine cable, need not to add electromagnetic signal to submarine cable itself, all can detect when submarine cable off-line or online operation, operation safe and reliable, efficiency is higher, can be used to submarine cable fault repair construction and periodic maintenance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The device comprises a detection coil module 1, a multipoint positioning and fixing device 2, a data acquisition and storage module 3, a controller 4, an ultrasonic marine depth finder 5, a touch screen 6, a direct-current charging power supply 7, a pulse switch 8, a test coil 9, a discharge resistor 10, a voltage test unit 11 and a data transmission line 12.
Detailed Description
In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments, and do not limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
A schematic structural diagram according to an embodiment of the present disclosure is shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the submarine cable burying depth detecting system of the present invention includes a detecting coil module 1, a multi-point positioning fixing device 2, a data collecting and storing module 3, a controller 4, an ultrasonic wave ocean depth finder 5 and a touch screen 6;
the detection coil module 1 comprises a direct current charging power supply 7, a pulse switch 8, a test coil 9, a discharge resistor 10, a voltage test unit 11 and a data transmission line 12; a circuit formed by the direct current charging power supply 7 and the pulse switch 8 is connected in parallel with the test coil 9, the discharge resistor 10 and the voltage test unit 11, and the voltage test unit 11 is a voltmeter;
the data acquisition and storage module 3 and the ultrasonic wave ocean depth finder 5 are connected with the controller 4, the controller 4 is connected with the touch screen 6, the voltage testing unit 11 is connected with the controller 4 through the data transmission line 12, and the detection coil module 1 is fixed at the tail of the test towing ship through the multipoint positioning and fixing device 2.
It should be noted that, according to the law of electromagnetic induction, when the metal conductor block is in a changing magnetic field, free electrons inside the metal block will make directional movement under the action of lorentz force to form a loop of closed induced current lines, which is similar to eddy currents in fluid and is called eddy current. According to the principle, firstly a certain current is injected into a coil, then the power supply is cut off, and the current in the coil is rapidly reduced until the current is zero. The rapidly changing current in the coil wire will generate a rapidly changing magnetic field around it, referred to as the primary field. If a conductor is present around the coil, whether the conductor is ferromagnetic or not, the changing magnetic field will generate eddy currents therein, and the eddy currents will also generate a magnetic field, referred to as a secondary field. According to lenz's law, eddy currents always attempt to counteract the change in the original magnetic field, and the magnetic field generated by the eddy currents affects the change in voltage and current in the coil, making it slow. The degree of change is not only related to the magnitude and the change rate of the current in the primary coil, but also related to the distance between the metal conductor and the coil, the shape, the volume, the electrical characteristics and the like of the conductor, and the distance information of the metal object can be extracted from the measured degree of change, and the target can be positioned by properly arranging a group of coils.
Based on the above principle, the utility model discloses a concrete working process does:
when the submarine cable burial depth is tested, the detection coil module 1 is installed at the tail of a test towing ship through the multipoint positioning fixing device 2, the pulse switch 8 is closed, the test coil 9 is charged through the direct-current charging power supply 7, test conditions are met after data tested by the voltage test unit 11 are stable, the towing ship slowly advances along the submarine cable construction route, the pulse switch 8 is disconnected, the discharge resistor 10 is discharged through the test coil 9, voltages on two sides of the test coil 9 are tested and recorded through the voltage test unit 11, and the voltages are transmitted and stored in the data acquisition and storage module 3. The data acquisition and storage module 3 transmits acquired data to the controller 4, the controller 4 determines the actual depth of the submarine cable according to the corresponding relation between the voltage at two sides of the preset test coil 9 and the actual depth of the submarine cable, then the actual depth of the submarine cable and the ocean depth measured by the ultrasonic ocean depth finder 5 are subjected to difference value calculation, the calculation result is used as the actual burial depth of the submarine cable, and then the actual burial depth is displayed through the touch screen 6.
Claims (6)
1. A submarine cable buried depth detection system is characterized by comprising a detection coil module (1), a data acquisition and storage module (3), a controller (4) and an ultrasonic marine depth finder (5), wherein the detection coil module (1) is fixed at the tail of a test towing vessel;
the detection coil module (1) comprises a direct current charging power supply (7), a pulse switch (8), a test coil (9), a discharge resistor (10) and a voltage test unit (11); a circuit formed by the direct current charging power supply (7) and the pulse switch (8) is connected with the test coil (9), the discharge resistor (10) and the voltage test unit (11) in parallel;
the data acquisition and storage module (3) and the ultrasonic wave ocean depth finder (5) are connected with the controller (4), and the output end of the voltage test unit (11) is connected with the data acquisition and storage module (3).
2. Submarine cable burying depth detection system according to claim 1, wherein the voltage test unit (11) is connected to the data acquisition and storage module (3) via data transmission line (12).
3. A submarine cable burying depth detecting system according to claim 1, wherein the search coil module (1) is fixed to the tail of the test tug by a multi-point positioning fixture (2).
4. The submarine cable burying depth detecting system according to claim 1, further comprising a controller (4), wherein the controller (4) is connected to the touch screen (6).
5. Submarine cable burying depth detection system according to claim 1, wherein said voltage test unit (11) is a voltmeter.
6. The submarine cable burying depth detecting system according to claim 1, wherein the voltage testing unit (11) is connected to the data acquisition and storage module (3) by wireless communication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221016708.2U CN217110795U (en) | 2022-04-28 | 2022-04-28 | Submarine cable buries degree of depth detecting system underground |
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| CN202221016708.2U CN217110795U (en) | 2022-04-28 | 2022-04-28 | Submarine cable buries degree of depth detecting system underground |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118111317A (en) * | 2024-04-30 | 2024-05-31 | 自然资源部第二海洋研究所 | Ocean monitoring data acquisition processing method, system and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118111317A (en) * | 2024-04-30 | 2024-05-31 | 自然资源部第二海洋研究所 | Ocean monitoring data acquisition processing method, system and storage medium |
| CN118111317B (en) * | 2024-04-30 | 2024-07-19 | 自然资源部第二海洋研究所 | Ocean monitoring data acquisition processing method, system and storage medium |
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