CN-115824029-B - Submarine pipeline deformation monitoring device

Abstract

The invention discloses a submarine pipeline deformation monitoring device which comprises two gesture sensor arrays, a control base point and a positioning ring, wherein one gesture sensor array is arranged between the control base point and a submarine pipeline and used for monitoring the integral sedimentation state of a submarine pipeline monitoring area, the other gesture sensor array is arranged on the submarine pipeline to be monitored and used for monitoring the surface deformation state of the submarine pipeline, the control base point is used for collecting data of the gesture sensor array and uploading the data to a surface upper computer interface through a communication module to display the obtained submarine pipeline surface deformation state data and seabed sedimentation state data.

Inventors

• CHEN JIAWANG
• REN XUEYU
• PENG XIAOQING
• Dai Wendi
• ZHOU QIXIAO
• JIN ZHANGYONG
• ZHOU PENG
• LIANG TAO
• GAO FENG

Assignees

• 浙江大学

Dates

Publication Date

20260508

Application Date

20221121

Claims (7)

1. 1. The submarine pipeline deformation monitoring device is characterized by comprising an attitude sensor array, a control base point and a positioning ring; the attitude sensor arrays are arranged between the control base point and the submarine pipeline, are used for monitoring the integral settlement state of the submarine pipeline monitoring area, the other attitude sensor array is arranged on the submarine pipeline to be tested along the submarine pipeline laying direction and is used for monitoring the surface deformation state of the submarine pipeline; The attitude sensor comprises a plurality of MEMS sensor units, a sleeve and watertight connectors which are arranged in an array manner, wherein each MEMS sensor unit is sequentially connected in series in a flexible connection manner through the watertight connectors to form an MEMS sensor array, the MEMS sensor array integrally penetrates through the sleeve, and the MEMS sensor array is connected with the control base point through the watertight connectors; The control base point is used for acquiring data of the attitude sensor array, uploading the data to a water surface upper computer interface through a communication module, displaying and acquiring the obtained submarine pipeline surface deformation state data and seabed settlement state data, the control base point comprises an electronic cabin and a cement block, the electronic cabin is embedded in the cement block, one ends of the two attitude sensor arrays are respectively connected with the electronic cabin through watertight connectors, a lithium battery, a control board, an acquisition board and a communication module are arranged in the electronic cabin, the lithium battery supplies power for the control board, the acquisition board, the communication module and the MEMS sensor, the acquisition board is controlled by the control board to acquire MEMS sensor data, the communication module uploads the data to the water surface upper computer interface, and displaying and acquiring the obtained submarine pipeline surface deformation state data and seabed settlement state data; the positioning ring is arranged on the submarine pipeline and used for fixing the attitude sensor array on the submarine pipeline.
2. 2. The submarine pipeline deformation monitoring device according to claim 1, wherein the MEMS sensor unit comprises a sensor cabin body and an MEMS sensor arranged at the axis of the sensor cabin body, the sensor cabin body is made of 316L stainless steel, the MEMS sensor is fixed in the sensor cabin body through a positioning bolt, watertight connectors are arranged at two ends of the MEMS sensor unit, and the watertight connectors are used for connecting watertight connectors.
3. 3. The submarine pipeline deformation monitoring device according to claim 2, wherein the sleeve is formed by alternately connecting an aluminum alloy pipe and a rubber hose in series, and the MEMS sensor unit is arranged at the rear end of the aluminum alloy pipe.
4. 4. The submarine pipeline deformation monitoring device according to claim 3, wherein each section of aluminum alloy pipe is 40mm in inner diameter, 50mm in outer diameter and 1000mm in length, and two adjacent aluminum alloy pipes are flexibly connected through the rubber hose.
5. 5. The submarine pipeline deformation monitoring device according to claim 1, wherein the positioning ring is of an annular structure and comprises two semicircular stainless steel rings, a bolt fixing structure and a pipe clamp, one ends of the two semicircular stainless steel rings are connected in a hinged mode, the other ends of the two semicircular stainless steel rings are connected through the bolt fixing structure, the pipe clamp is fixed on the positioning ring, and an external sleeve of the attitude sensor array penetrates through the pipe clamp and is fixed on the positioning ring through the pipe clamp.
6. 6. The submarine pipeline deformation monitoring device according to claim 5, wherein two positioning rings are arranged, a pipeline between the two positioning rings is a submarine pipeline monitoring area, one end of the attitude sensor array arranged between a control base point and the submarine pipeline is connected with one positioning ring, the other end of the attitude sensor array is connected with the control base point, and the other attitude sensor array is connected between the two positioning rings.
7. 7. The submarine pipeline deformation monitoring device according to claim 6, wherein the attitude sensor array arranged between a control base point and a submarine pipeline is perpendicular to the submarine pipeline.

Description

Submarine pipeline deformation monitoring device Technical Field The invention relates to the technical field of submarine pipeline monitoring, in particular to a submarine pipeline deformation monitoring device. Background With the increasing development and utilization of ocean oil and gas resources in China, the laying of submarine pipelines serving as ocean oil and gas transportation life lines is gradually increased, and the submarine pipelines serving as main forms of offshore oil and gas gathering and transportation systems play an important role in the development process of offshore oil and gas fields. Due to severe working environment conditions, the submarine pipeline is subjected to the effects of environmental loads such as external wave flow of the pipe and the like, and also is subjected to the effects of oil gas corrosion, pressure and the like in the pipe and the effects of accidental loads such as impact of falling objects on the sea, dragging of fishing nets and the like, and the submarine pipeline has high failure probability and high running risk. In order to avoid significant economic loss and adverse social effects caused by submarine pipeline failure, effective measures must be taken to prevent submarine pipeline failure, and it is becoming increasingly important to ensure safe operation of submarine pipelines. Submarine pipeline monitoring is an important means for guaranteeing safe and reliable operation of submarine pipelines, settlement and displacement observation is carried out on the submarine pipelines regularly, submarine pipeline settlement and displacement data are collected timely, pipeline states are fed back timely through the data, and emergency measures are convenient to take timely if abnormality exists. However, at present, the pipeline is directly monitored by adopting a diving probe and a traditional monitoring means, and the pipeline monitoring device has the defects of high operation difficulty, high cost and inconvenience in operation. Disclosure of Invention The invention aims to provide a submarine pipeline deformation monitoring device, which solves the problems in the prior art, can realize the deformation monitoring of a submarine pipeline, is convenient to carry and arrange, is simple and convenient, has low operation cost, has stronger scientific and economic benefits, monitors the long-term displacement change process of the submarine pipeline through submarine pipeline displacement monitoring technology service, and provides early warning for pipeline settlement deformation. In order to achieve the above object, the present invention provides the following solutions: the invention provides a submarine pipeline deformation monitoring device, which comprises an attitude sensor array, a control base point and a positioning ring, wherein the attitude sensor array is arranged on the submarine pipeline; the attitude sensor arrays are arranged between the control base point and the submarine pipeline, are used for monitoring the integral settlement state of the submarine pipeline monitoring area, the other attitude sensor array is arranged on the submarine pipeline to be tested along the submarine pipeline laying direction and is used for monitoring the surface deformation state of the submarine pipeline; The control base point is used for acquiring data of the attitude sensor array, uploading the data to a water surface upper computer interface through the communication module, and displaying and acquiring the obtained submarine pipeline surface deformation state data and seabed settlement state data; the positioning ring is arranged on the submarine pipeline and used for fixing the attitude sensor array on the submarine pipeline. Preferably, the attitude sensor comprises a plurality of MEMS sensor units, a sleeve and a watertight plug cable which are arranged in an array mode, wherein each MEMS sensor unit is sequentially connected in series in a flexible connection mode through the watertight plug cable to form an MEMS sensor array, the MEMS sensor array integrally penetrates through the sleeve, and the MEMS sensor array is connected with the control base point through the watertight plug cable. Preferably, the MEMS sensor unit comprises a sensor cabin body and an MEMS sensor arranged at the axis of the sensor cabin body, the sensor cabin body is made of 316L stainless steel, the MEMS sensor is fixed in the sensor cabin body through a positioning bolt, watertight connectors are arranged at two ends of the MEMS sensor unit, and the watertight connectors are used for connecting watertight connectors. Preferably, the sleeve is formed by alternately connecting an aluminum alloy pipe and a rubber hose in series, and the MEMS sensor unit is arranged at the rear end of the aluminum alloy pipe. Preferably, each section of aluminum alloy pipe has an inner diameter of 40mm, an outer diameter of 50mm and a length of 1000mm, and two adjacent aluminum alloy pipes are f