CN114137457A

CN114137457A - Ship magnetic field detection system

Info

Publication number: CN114137457A
Application number: CN202111633071.1A
Authority: CN
Inventors: 武高峰; 张振华; 鲁晋瑜; 王国军; 陈英明; 马刊创; 马阔; 李英波
Original assignee: BEIJING HUANDING ENERGY SERVICES
Current assignee: BEIJING HUANDING ENERGY SERVICES
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-03-04

Abstract

The invention relates to the technical field of pipeline design and application, and provides a ship magnetic field detection system, which comprises: a pipeline, a magnetic field detection sensor and a cable; the pipeline is formed by splicing a plurality of sections and is laid under the seawater; the magnetic field detection sensor and the cable are arranged in the pipeline in a penetrating mode; the pipeline is fixed through a pipeline fixing pile arranged on the seabed so as to ensure that the position direction of the pipeline is accurate; the two ends of the pipeline are sealed, so that the magnetic field detection sensor and the mooring rope are isolated from seawater. The invention fully considers the influence of the port environment on the measurement and maintenance of the sensor, isolates the contact between seawater and the mooring rope and between the seawater and the sensor, ensures that the maintenance is more convenient, and increases two planes of the pipeline joint to ensure that the pipeline joint is attached to the fixed pile, thereby ensuring that the measurement direction accuracy is higher.

Description

Ship magnetic field detection system

Technical Field

The invention relates to the technical field of pipeline design and application, in particular to a ship magnetic field detection system.

Background

The existing ship magnetic detection scheme is that a magnetic field detection sensor is fixed on a seabed fixing pile, a cable is directly connected with the magnetic field detection sensor, the cable and the magnetic field detection sensor are directly contacted with seawater, marine organisms can be attached for a long time, and when an underwater sensor unit breaks down and needs to be maintained, the cable is lifted upwards, so that the situation that resistance is large and the cable cannot be lifted upwards is caused, and the maintenance is difficult.

Disclosure of Invention

In view of the above, the present invention aims to add a pipeline design to isolate the magnetic field detection sensor from seawater, arrange the pipeline under the seawater, with the sensor and the cable in the pipeline, use the winch to pull up the cable and the sensor unit in the pipeline when maintenance is needed, and pull back to the original position by the winch on the other side after the maintenance is completed, thereby completing the maintenance process.

The invention provides a ship magnetic field detection system, comprising: a pipeline, a magnetic field detection sensor and a cable; the pipeline is formed by splicing a plurality of sections and is laid under the seawater; the magnetic field detection sensor and the cable are arranged in the pipeline in a penetrating mode;

the pipeline is fixed through a pipeline fixing pile arranged on the seabed so as to ensure that the position direction of the pipeline is accurate;

the two ends of the pipeline are sealed, so that the magnetic field detection sensor and the mooring rope are isolated from seawater.

Further, the magnetic field detection sensor comprises a plurality of sensor units, and the plurality of sensor units are connected in a string by the cable.

Further, the cable and the sensor unit are lifted and/or pulled back by a winch arranged on shore.

Furthermore, the pipeline is an L-shaped pipeline which is laid at a port with a bank at one side;

laying an L-shaped pipeline is suitable for the condition that one side has a bank, placing a winch on the bank, and installing or maintaining the L-shaped pipeline in a cable lifting mode.

Furthermore, the pipeline is a U-shaped pipeline, and the U-shaped pipeline is laid at a port with banks at two sides;

the laying of the U-shaped pipeline is suitable for the condition that banks exist on two sides, the winches are placed on the banks on the two sides, and installation or maintenance is carried out in a cable lifting mode. The sealing end covers are arranged at two ends of the U-shaped pipeline, and when the installation is completed, the sealing end covers are screwed down to prevent rainwater or other objects from entering the pipeline.

Further, the pipeline comprises a plurality of pipeline sections and a plurality of special joints, and the side surface of each special joint is provided with a vertical plane and a horizontal plane;

further, the pipeline fixing pile is provided with a vertical plane and a horizontal plane;

the special joint is attached to the vertical plane and the horizontal plane on the pipeline fixing pile so as to fix the position direction of the pipeline.

Furthermore, two ends of the pipeline are sealed in a sealing end cover mode.

Furthermore, the pipeline is made of a non-magnetic corrosion-resistant material;

preferably, the non-magnetic corrosion-resistant material adopts one of alloys 3J21, 3J22, 3J23, 3YC11, 3YC15 and 3J 40.

Furthermore, the pipeline sections are connected by threads and sealed by adopting a sealing ring mode;

preferably, the pipe section is 5 metres long.

Compared with the prior art, the invention has the beneficial effects that:

the invention fully considers the influence of the port environment on the measurement and maintenance of the sensor, isolates the contact between seawater and the mooring rope and between the seawater and the sensor, ensures that the maintenance is more convenient, and increases two planes of the pipeline joint to ensure that the pipeline joint is attached to the fixed pile, thereby ensuring that the measurement direction accuracy is higher.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.

In the drawings:

FIG. 1 is a schematic structural diagram of a ship magnetic field detection system according to the present invention;

FIG. 2 is a schematic diagram of a U-shaped pipeline according to an embodiment of the present invention;

FIG. 3 is an outline view of a specialty joint according to an embodiment of the present invention;

FIG. 4 is a schematic view of a pipe spud pile in accordance with an embodiment of the present invention in combination with a custom fitting;

FIG. 5 is a schematic view of the attachment of a magnetic field sensing sensor to a cable in accordance with an embodiment of the present invention.

In the drawings, the reference numbers denote:

1. the device comprises a pipeline 11, a pipeline section 12, a special joint 2, a magnetic field detection sensor 3, a cable 4, a pipeline fixing pile 5 and a winch.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, and third may be used in this disclosure to describe various signals, these signals should not be limited to these terms. These terms are only used to distinguish one type of signal from another. For example, a first signal may also be referred to as a second signal, and similarly, a second signal may also be referred to as a first signal, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

The embodiments of the present invention will be specifically explained with reference to the accompanying drawings:

the embodiment of the invention provides a ship magnetic field detection system, which comprises: the device comprises a pipeline 1, a magnetic field detection sensor 2 and a cable 3; the pipeline 1 is formed by splicing a plurality of sections and is laid under seawater; the magnetic field detection sensor 2 and the cable 3 are arranged inside the pipeline 1 in a penetrating way;

the pipeline 1 is fixed through a pipeline fixing pile 4 arranged on the seabed so as to ensure that the position direction of the pipeline 1 is accurate;

both ends of the pipeline 1 are sealed, so that the magnetic field detection sensor 2 and the cable 3 are isolated from seawater.

The magnetic field detection sensor 2 includes a plurality of sensor units connected in a string by the cable 3.

The pipeline 1 comprises a plurality of pipeline sections 11 and a plurality of special joints 12, wherein the side surfaces of the special joints 12 are provided with vertical planes and horizontal planes which are attached to the vertical planes and the horizontal planes on the pipeline fixing piles 4 so as to fix the position direction of the pipeline 1.

The pipe spud 4 has a vertical plane and a horizontal plane.

And two ends of the pipeline 1 are sealed in a sealing end cover mode.

The pipeline 1 is made of a non-magnetic corrosion-resistant material;

The pipeline sections 11 are connected through threads and sealed in a sealing ring mode;

preferably, the pipe section 11 is 5 meters long.

The cable 3 and the sensor unit are lifted and/or pulled back by means of a winch 5 arranged on shore;

when maintenance is needed, the winch 5 is used for pulling up the cable 3 and the sensor unit in the pipeline, and the winch 5 is used for pulling back to the original position after the maintenance is completed, so that the maintenance process is completed.

Laying an L-shaped pipeline is suitable for the condition that one side has a bank, placing a winch 5 on the bank, and installing or maintaining the L-shaped pipeline in a mode of lifting a cable 3.

The laying of the U-shaped pipeline is suitable for the condition that banks exist on two sides, the winches 5 are placed on the banks on the two sides, and installation or maintenance is carried out in a mode of lifting the cables 3. The sealing end covers are arranged at two ends of the U-shaped pipeline, and when the installation is completed, the sealing end covers are screwed down to prevent rainwater or other objects from entering the pipeline 1.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the invention, a person skilled in the art can make the same changes or substitutions on the related technical features, and the technical solutions after the changes or substitutions will fall within the protection scope of the invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, substitution and improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. A ship magnetic field detection system, comprising: a pipeline, a magnetic field detection sensor and a cable; the pipeline is formed by splicing a plurality of sections and is laid under the seawater; the magnetic field detection sensor and the cable are arranged in the pipeline in a penetrating mode;

2. The system of claim 1, wherein the pipeline is an L-shaped pipeline laid in a port with a shore on one side.

3. The system of claim 1, wherein the pipeline is a U-shaped pipeline laid in a port with banks on both sides.

4. The vessel magnetic field detection system of claim 1, wherein the magnetic field detection sensor comprises a number of sensor units connected in a string by the cable.

5. The vessel magnetic field detection system of claim 1, wherein the pipeline spud has a vertical plane and a horizontal plane.

6. The ship magnetic field detection system of claim 2 or 3, wherein the pipeline comprises a plurality of pipeline sections and a plurality of special joints, and the side surfaces of the special joints are provided with vertical planes and horizontal planes which are attached to the vertical planes and the horizontal planes on the pipeline fixing piles so as to fix the position direction of the pipeline.

7. The system of claim 1, wherein the pipeline is sealed at both ends by means of end caps.

8. The vessel magnetic field detection system of claim 1, wherein the material of the pipeline is a nonmagnetic corrosion resistant material.

9. The system of claim 6, wherein the pipe sections are connected by threads and sealed by sealing rings.

10. The vessel magnetic field detection system of claim 4, wherein the cable and the sensor unit are lifted and/or pulled back by a hoist disposed onshore.