CN113804138A - Pipeline displacement monitoring system, method and device - Google Patents

Pipeline displacement monitoring system, method and device Download PDF

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Publication number
CN113804138A
CN113804138A CN202010537510.8A CN202010537510A CN113804138A CN 113804138 A CN113804138 A CN 113804138A CN 202010537510 A CN202010537510 A CN 202010537510A CN 113804138 A CN113804138 A CN 113804138A
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China
Prior art keywords
displacement
point
positioning detection
coordinate information
detected
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CN202010537510.8A
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Chinese (zh)
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CN113804138B (en
Inventor
白路遥
施宁
李亮亮
马云宾
蔡永军
刘少柱
温玉芬
张学锋
张丽稳
杨士梅
尹向阳
牛亚琨
曹京刚
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Petrochina Co Ltd
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Petrochina Co Ltd
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Priority to CN202010537510.8A priority Critical patent/CN113804138B/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The application provides a pipeline displacement monitoring system, a pipeline displacement monitoring method and a pipeline displacement monitoring device, and belongs to the technical field of pipeline systems. The system comprises: the system comprises a wireless communication base station, a server, at least three earth surface displacement monitors and at least three stay-supported displacement meters; the earth surface displacement monitor is used for positioning first coordinate information before the displacement of the at least three first positioning detection points and second coordinate information after the displacement of the at least three first positioning detection points; the stay wire type displacement meter is used for acquiring the distance variation between each first positioning detection point and each first displacement point to be detected; and the server is used for determining the displacement of the pipeline to be detected through the first coordinate information and the second coordinate information of at least three first positioning detection points, the distance variation between each first positioning detection point and the first displacement point to be detected and the third coordinate information before the displacement of the first displacement point to be detected. Because earth's surface displacement detector and stay-supported displacement meter set up outside waiting to detect the pipeline, the condition of card pipe can not appear, and efficiency of software testing is high.

Description

Pipeline displacement monitoring system, method and device
Technical Field
The present disclosure relates to the field of pipeline systems, and in particular, to a system, a method, and an apparatus for monitoring pipeline displacement.
Background
At present, in the oil and gas transmission process, an oil and gas pipeline is usually required to carry out long-distance oil and gas transmission. Wherein, in the laying and operation process of the oil gas pipeline, the oil gas pipeline is easily influenced by soil body movements such as frozen soil, underground mining, landslide and the like to generate displacement. When the displacement of the oil gas pipeline is large, the oil gas pipeline is easy to deform or even break, so that normal oil gas transmission is influenced. Therefore, there is a need to monitor the displacement of the oil and gas pipeline.
In the related art, a detector is arranged in an oil and gas pipeline, and the detector moves in the oil and gas pipeline, so that the displacement of the central line of a plurality of positions in the oil and gas pipeline is measured; and determining the displacement of the oil and gas pipeline according to the displacement of the central lines of a plurality of positions in the oil and gas pipeline.
However, when the detector is stressed unevenly in the moving process, the detector is easily clamped in the oil and gas pipeline, so that the detector cannot move normally, and the measurement of the displacement of the detector on the central line of the oil and gas pipeline is influenced; therefore, the test method in the related art has poor stability and low test efficiency.
Disclosure of Invention
The embodiment of the application provides a pipeline displacement monitoring system, method and device, which can improve the stability of testing the displacement of a long-distance oil and gas pipe and improve the testing efficiency. The technical scheme is as follows:
in one aspect, the present application provides a pipe displacement monitoring system, the system comprising: the system comprises a wireless communication base station, a server, at least three earth surface displacement monitors and at least three stay-supported displacement meters;
the at least three ground surface displacement monitors are arranged at the positions of at least three first positioning detection points around the pipeline to be detected; each ground surface displacement monitor is provided with the stay wire type displacement meter; the stay wire type displacement meter is connected with a first displacement point to be measured on the pipeline to be measured;
the wireless communication base station is respectively in communication connection with the server, the at least three earth surface displacement monitors and the at least three stay-supported displacement meters;
the at least three surface displacement monitors are used for positioning first coordinate information before the displacement of the at least three first positioning detection points and second coordinate information after the displacement of the at least three first positioning detection points; the wireless communication base station is used for sending first coordinate information and second coordinate information of the at least three first positioning detection points to the server;
the stay wire type displacement meter is used for acquiring the distance variation between each first positioning detection point and the first displacement point to be detected; the wireless communication base station is used for sending the distance variation between each first positioning detection point and the first displacement point to be detected to the server;
the server is used for determining the displacement of the pipeline to be detected according to the first coordinate information and the second coordinate information of the at least three first positioning detection points, the distance variation between each first positioning detection point and the first displacement point to be detected and the third coordinate information before the displacement of the first displacement point to be detected.
In a possible implementation manner, an included angle between a connecting line between two adjacent first positioning detection points and a first displacement point to be detected on the pipeline to be detected is not less than 30 degrees.
In another possible implementation manner, the system further includes: a pipe clamp and a connecting wire;
the pipe clamp is fixed at the position of a first displacement point to be measured on the pipeline to be measured; one end of the connecting wire is connected with the pipe clamp, and the other end of the connecting wire is connected with the stay wire type displacement meter.
In another possible implementation, the system further includes: a protective sleeve;
the protective sleeve is arranged outside the connecting line and used for protecting the connecting line.
In another possible implementation manner, the system further includes: a solar power supply;
the solar power supply is respectively connected with the earth surface displacement monitor and the stay wire type displacement meter; the power supply is used for supplying power to the ground surface displacement monitor and the stay wire type displacement meter.
In another aspect, the present application provides a method for monitoring displacement of a pipeline, the method including:
acquiring first coordinate information before displacement of at least three first positioning detection points around a pipeline to be detected by at least three surface displacement monitors, wherein the at least three surface displacement monitors are arranged at the positions of the at least three first positioning detection points;
acquiring third coordinate information before the displacement of the first displacement point to be measured on the pipeline to be detected;
acquiring the distance variation between each first positioning detection point and the first displacement point to be detected through a stay wire type displacement meter arranged on each ground surface displacement monitor;
acquiring second coordinate information of each displaced first positioning detection point through the at least three ground surface displacement monitors;
determining the displacement of the first displacement point to be measured according to the first coordinate information, the second coordinate information and the third coordinate information of the at least three first positioning detection points and the distance variation between each first positioning detection point and the first displacement point to be measured;
and determining the displacement of the pipeline to be detected according to the displacement of the first displacement point to be detected.
In a possible implementation manner, the determining, by the first coordinate information and the second coordinate information of the at least three first positioning detection points, the third coordinate information, and the variation in distance between each first positioning detection point and the first displacement point to be measured, the displacement of the first displacement point to be measured includes:
for each first positioning detection point, determining a first distance between the first positioning detection point before displacement and the first displacement to-be-detected point before displacement according to the third coordinate information and the first coordinate information of the first positioning detection point;
determining a second distance between the first positioning detection point after displacement and the first displacement to-be-detected point after displacement according to the first distance and the distance variation between the first positioning detection point and the first positioning detection point;
and determining the displacement of the first displacement point to be measured according to a second distance between the at least three first positioning detection points after displacement and the first displacement point to be measured after displacement and second coordinate information of the at least three first positioning detection points.
In another possible implementation manner, the determining, according to second distances between the at least three first positioning detection points after the displacement and the first displacement to-be-detected point after the displacement and second coordinate information of the at least three first positioning detection points, the displacement of the first displacement to-be-detected point includes:
determining fourth coordinate information of the at least three first displacement detection points after displacement according to second distances between the at least three first positioning detection points after displacement and the first displacement detection points after displacement and second coordinate information of the at least three first positioning detection points;
and determining the displacement of the first displacement point to be measured according to the third coordinate information and the fourth coordinate information.
In another aspect, the present application provides a pipe displacement monitoring device, the device comprising:
the device comprises a first acquisition module, a second acquisition module and a first positioning module, wherein the first acquisition module is used for acquiring first coordinate information before displacement of at least three first positioning detection points around a pipeline to be detected through at least three surface displacement monitors, and the at least three surface displacement detectors are arranged at the positions of the at least three first positioning detection points;
the second acquisition module is used for acquiring third coordinate information before the displacement of the first displacement point to be measured on the pipeline to be detected;
the third acquisition module is used for acquiring the distance variation between each first positioning detection point and the first displacement point to be detected through a stay wire type displacement meter arranged on each ground surface displacement monitor;
the fourth acquisition module is used for acquiring second coordinate information of each displaced first positioning detection point through the at least three ground surface displacement monitors;
the first determining module is used for determining the displacement of the first displacement point to be measured according to the first coordinate information, the second coordinate information and the third coordinate information of the at least three first positioning detection points and the distance variation between each first positioning detection point and the first displacement point to be measured;
and the second determining module is used for determining the displacement of the pipeline to be detected according to the displacement of the first displacement point to be detected.
In one possible implementation manner, the first determining module includes:
a first determining unit, configured to determine, for each first positioning detection point, a first distance between a position before displacement of the first positioning detection point and a position before displacement of the first displacement to be detected according to the third coordinate information and the first coordinate information of the first positioning detection point;
a second determining unit, configured to determine, according to the first distance and a distance variation between the first positioning detection point and the first positioning detection point, a second distance between the first positioning detection point after being displaced and the first displacement to-be-detected point after being displaced;
and the third determining unit is used for determining the displacement of the first displacement point to be measured according to a second distance between the at least three first positioning detection points after being displaced and the first displacement point to be measured after being displaced and second coordinate information of the at least three first positioning detection points.
In another possible implementation manner, the third determining unit is configured to determine fourth coordinate information of the at least three first displacement detection points after displacement according to second distances between the at least three first positioning detection points after displacement and the first displacement detection points after displacement and second coordinate information of the at least three first positioning detection points after displacement; and determining the displacement of the first displacement point to be measured according to the third coordinate information and the fourth coordinate information.
The technical scheme provided by the embodiment of the application has the following beneficial effects:
in the embodiment of the application, the server determines the displacement of the pipeline to be detected through at least three ground surface displacement monitors around the pipeline to be detected and a stay wire type displacement meter arranged on the ground surface displacement monitors; because earth's surface displacement detector and stay-supported displacement meter set up outside waiting to detect the pipeline, wait the in-process of the displacement of detecting the pipeline at the test, the circumstances of card pipe can not appear in earth's surface displacement detector and stay-supported displacement meter, so, this pipeline displacement monitoring system test waits to detect the stability of the displacement of pipeline strong, and efficiency of software testing is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a pipe displacement monitoring system according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a pipe displacement monitoring system according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a ground surface displacement monitor connected to a pipe to be tested according to an embodiment of the present application;
FIG. 4 is a flow chart of a method for monitoring displacement of a pipeline according to an embodiment of the present application;
FIG. 5 is a block diagram of a pipe displacement monitoring device according to an embodiment of the present application;
fig. 6 is a block diagram of a pipeline displacement monitoring device according to an embodiment of the present application.
1 radio communication base station
2 Server
3 ground surface displacement monitor
4-stay type displacement meter
5 positioning satellite
6 data receiver
7 pipe clamp
8 connecting wire
9 protective sleeve
10 solar energy power supply
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a pipeline displacement monitoring system provided by the present application. Referring to fig. 1, the system includes: the system comprises a wireless communication base station 1, a server 2, at least three earth surface displacement monitors 3 and at least three stay-supported displacement meters 4;
the at least three ground surface displacement monitors 3 are arranged at the positions of at least three first positioning detection points around the pipeline to be detected; each ground surface displacement monitor 3 is provided with a stay wire type displacement meter 4; the stay wire type displacement meter 4 is connected with a first displacement point to be measured on the pipeline to be measured; the wireless communication base station 1 is respectively in communication connection with the server 2, the at least three ground surface displacement monitors 3 and the at least three stay wire type displacement meters 4;
the at least three ground surface displacement monitors 3 are used for positioning first coordinate information before the displacement of the at least three first positioning detection points and second coordinate information after the displacement of the at least three first positioning detection points; the wireless communication base station 1 is used for sending the first coordinate information and the second coordinate information of at least three first positioning detection points to the server 2; the stay wire type displacement meter 4 is used for acquiring the distance variation between each first positioning detection point and each first displacement point to be detected; and is used for sending the distance variation between each first positioning detection point and the first displacement point to be detected to the server 2 through the wireless communication base station 1; and the server 2 is used for determining the displacement of the pipeline to be detected according to the first coordinate information and the second coordinate information of at least three first positioning detection points, the distance variation between each first positioning detection point and the first displacement point to be detected and the third coordinate information before the displacement of the first displacement point to be detected.
In the embodiment of the application, the server determines the displacement of the pipeline to be detected through at least three ground surface displacement monitors around the pipeline to be detected and a stay wire type displacement meter arranged on the ground surface displacement monitors; because earth's surface displacement detector and stay-supported displacement meter set up outside waiting to detect the pipeline, wait the in-process of the displacement of detecting the pipeline at the test, the circumstances of card pipe can not appear in earth's surface displacement detector and stay-supported displacement meter, so, this pipeline displacement monitoring system test waits to detect the stability of the displacement of pipeline strong, and efficiency of software testing is high.
Introduction of surface displacement monitor 3: the at least three ground surface displacement monitors 3 are arranged at the positions of at least three first positioning detection points around the pipeline to be detected, are used for positioning first coordinate information before the displacement of the first positioning detection points and second coordinate information after the displacement of the at least three first positioning detection points, and are used for sending the first coordinate information and the second coordinate information of the at least three first positioning detection points to the server 2 through the wireless communication base station 1. The ground surface displacement monitor 3 may be a displacement monitor with a positioning function. In one possible implementation, referring to fig. 2, the system further includes: a positioning satellite 5; the ground surface displacement monitor 3 may be a GNSS (Global Navigation Satellite System) ground surface displacement monitor; each GNSS earth surface displacement monitor may acquire, by using the positioning satellite 5, first coordinate information before displacement of the first positioning detection point and second coordinate information after displacement of the first positioning detection point.
In a possible implementation manner, the ground surface displacement monitor 3 may send the first coordinate information and the second coordinate information of the first positioning detection point to the server 2 through the mobile signal; wherein the mobile signal may be generated by the wireless communication base station 1. In another possible implementation manner, the ground surface displacement monitor 3 may also send the first coordinate information and the second coordinate information of the first positioning detection point to the server 2 through a communication satellite.
In one possible implementation, with continued reference to fig. 2, the system further includes: a data receiver 6; the server 2 may receive the first coordinate information and the second coordinate information of the first positioning detection point transmitted by the wireless communication base station 1 through the data receiver 6.
It should be noted that the at least three first positioning detection points may be disposed on the same side of the pipe to be detected, or may be disposed on both sides of the pipe to be detected. And the included angle of a connecting line between two adjacent first positioning detection points and a first displacement point to be detected on the pipeline to be detected is not less than 30 degrees.
In the embodiment of the application, the included angle between the connecting line between the two adjacent first positioning detection points and the first displacement point to be detected on the pipeline to be detected is not less than 30 degrees, so that the displacement of a soil layer around the pipeline to be detected is prevented from being detected in a local area, and the accuracy of the test is improved.
Introduction of the pull-wire type displacement gauge 4: each ground surface displacement monitor 3 is provided with a stay wire type displacement meter 4; the stay wire type displacement meter 4 is connected with a first displacement point to be measured on the pipeline to be measured; and the stay wire type displacement meter 4 is used for acquiring the distance variation between the first positioning detection point and the first displacement point to be detected. The guyed displacement meter 4 is in communication connection with the wireless communication base station 1, and sends the distance variation between the first positioning detection point and the first displacement point to be detected to the server 2 through the wireless communication base station 1.
The ground surface displacement monitor 3 may send the second coordinate information after the displacement of the first positioning detection point to the server 2 in real time through the wireless communication base station 1; the stay wire type displacement meter 4 can send the distance variation between the first positioning detection point and the first displacement point to be detected to the server 2 in real time through the wireless communication base station 1; the server 2 determines the real-time displacement condition of the pipeline to be detected in real time, so that the timeliness of the pipeline displacement monitoring system for monitoring the displacement of the pipeline to be detected is improved.
In one possible implementation, referring to fig. 3, the system further includes: a pipe clamp 7 and a connecting wire 8; the pipe clamp 7 is fixed at the position of a first displacement point to be measured on the pipeline to be measured; one end of a connecting wire 8 is connected with the pipe clamp 7, and the other end of the connecting wire 8 is connected with the stay wire type displacement meter 4. Wherein, the stay wire type displacement meter 4 is arranged on the ground surface displacement monitor 3, namely the position of the first positioning detection point; the stay wire type displacement meter 4 can obtain the distance variation between the first positioning detection point and the first displacement point to be detected through the connecting wire 8.
It should be noted that, when the stay wire type displacement meter 4 obtains the distance variation between the first positioning detection point and the first displacement point to be detected through the connection line 8, the connection line 8 is always in a tight state. Wherein, the other end of the connecting wire 8 is connected with the stay wire type displacement meter 4 through an elastic piece; the elastic force of the elastic element ensures that the connection line 8 is always in a taut state.
The other point to be described is that the length of the connecting line 8 is greater than the distance between the first positioning detection point and the first displacement point to be measured; the length of the connecting line 8 can be any value between 5mm and 50mm larger than the distance between the first positioning detection point and the first displacement point to be detected.
In the embodiment of the application, the length of the connecting line 8 is greater than the distance between the first positioning detection point and the first displacement point to be detected, so that when the pipeline to be detected displaces, the pipeline to be detected is prevented from being pulled by the connecting line 8 due to the small length of the connecting line 8, and the accuracy of acquiring the distance variation between the first positioning detection point and the first displacement point to be detected by the stay wire type displacement meter 4 through the connecting line 8 is improved.
In one possible implementation, the stay wire type displacement meter 4 can be a ZL-SA623 type stay wire type displacement meter; the measuring precision of the pull-wire type displacement meter is 0.1 mm. Wherein, the stay wire type displacement meter 4 can be vertically arranged on the ground surface displacement monitor 3.
Wherein, the connecting wire 8 can be a copper wire, an aluminum wire and other metal wires; or an alloy wire such as an aluminum alloy wire or a steel wire. In a possible implementation manner, the connecting wire 8 is a steel wire, and the stay wire type displacement meter 4 is connected with the pipe clamp 7 on the first displacement point of the pipeline to be detected through the steel wire. The pipe clamp 7 may be a metal pipe sleeve, and one end of the metal pipe sleeve passes through the belt detection pipeline and is fixed with the other end of the metal pipe sleeve through a bolt. The metal pipe sleeve is convenient for the pipe clamp 7 to be fixed on a first displacement point to be measured on the pipeline to be detected.
In a possible implementation, a metal ring can be arranged on the pipe clamp 7, and the connecting wire 8 is connected with the metal ring on the pipe clamp 7. When the plurality of connection lines 8 are connected to the pipe clamp 7, the plurality of connection lines 8 are respectively connected to the metal rings on the pipe clamp 7. The metal ring and the pipe clamp 7 can be connected by welding or bolts.
In the embodiment of the application, the metal ring is arranged on the pipe clamp 7, and the positions of the connecting lines 8 and the pipe clamp 7 are fixed through the metal ring, so that the connecting lines 8 can be respectively connected with the first displacement point to be detected of the pipe clamp 7 on the pipeline to be detected, and the accuracy of the distance variation between the first positioning detection point and the first displacement point to be detected is improved.
In another possible implementation, with continued reference to fig. 3, the system further includes: a protective sheath 9; the protective sleeve 9 is arranged outside the connecting line 8 and used for protecting the connecting line 8. Wherein, the material of protective sheath 9 is anti-oxidant, anticorrosive material, and when connecting wire 8 was the steel wire, protective sheath 9 can prevent that the steel wire is corroded by the soil horizon all around.
It should be noted that the protective sleeve 9 can also fix the connection line 8, and when the distance between the first positioning detection point and the first displacement point to be detected changes, it can be ensured that the connection line 8 changes only in the axial direction, so that the accuracy of obtaining the distance change between the first positioning detection point and the first displacement point to be detected by the stay wire type displacement meter 4 through the connection line 8 is improved.
In another possible implementation, with continued reference to fig. 3, the system further includes: a solar power supply 10; the solar power supply 10 is respectively connected with the ground surface displacement monitor 3 and the stay wire type displacement meter 4; for providing power to the surface displacement monitor 3 and the pull-string type displacement meter 4. Wherein, the solar power source 10 can be a solar panel arranged at the top end of the ground surface displacement monitor 3; the solar panel can provide power for the ground surface displacement monitor 3 and the stay wire type displacement meter 4 at any place; the flexible arrangement of the ground surface displacement monitor 3 and the stay wire type displacement meter 4 is convenient.
Fig. 4 is a flowchart of a pipeline displacement monitoring method provided by the present application. Referring to fig. 4, the method includes:
401. the method comprises the steps that a server obtains first coordinate information before displacement of at least three first positioning detection points around a pipeline to be detected through at least three surface displacement monitors; at least three ground surface displacement detectors are arranged at the positions of at least three first positioning detection points.
In the step, for each first positioning detection point, the earth surface displacement monitor positions the position of the first positioning detection point before displacement to obtain first coordinate information of the first positioning detection point before displacement; and sending the first coordinate information to a server through the receiving wireless communication base station. Wherein the server comprises a processor and a data receiver; the server can receive the first coordinate information sent by the surface displacement monitor through the wireless communication base station through the data receiver.
It should be noted that the first displacement point to be measured may be located at any position of the pipe to be measured; and the type of the pipeline to be detected can be an oil pipeline, a gas pipeline or an oil and gas pipeline and the like. Moreover, the pipeline to be detected can be a long pipeline with the length exceeding the preset length, and can also be a short pipeline with the length not exceeding the preset length. For example, the pipeline to be detected is a long oil and gas pipeline with the length exceeding a preset length.
In this step, the first coordinate information may be an initial spatial coordinate of the first positioning detection point. For example, the first coordinate information of the first positioning detection point a is a (Xa, Ya, Ha); the first coordinate information of the first positioning detection point B is B (Xb, Yb, Hb); the first coordinate information of the first positioning detection point C is C (Xc, Yc, Hc).
402. And the server acquires third coordinate information before the displacement of the first displacement point to be measured on the pipeline to be detected.
In this step, a total-station electronic distance meter or an RTK (Real-Time Kinematic) locates the position of the first displacement point to be measured before displacement, obtains third coordinate information of the first displacement point to be measured before displacement, and sends the third coordinate information to the server through the wireless communication base station. The server can receive third coordinate information sent by the total station type electronic distance measuring instrument or the RTK through the wireless communication base station through the data receiver. The third coordinate information may be an initial spatial coordinate of the first displacement point to be measured. For example, the third coordinate information of the first displacement point P is P (Xp, Yp, Hp).
403. And the server acquires the distance variation between each first positioning detection point and each first displacement point to be detected through a stay wire type displacement meter arranged on each ground surface displacement monitor.
In this step, for each first positioning detection point, the distance variation between the first positioning detection point and the first displacement point to be detected can be tested by the pull wire displacement meter, and sent to the server through the wireless communication base station in communication connection with the pull wire displacement meter. And the server receives the distance variation between the first positioning detection point and the first displacement point to be detected sent by the stay wire displacement meter.
The stay wire displacement meter can periodically send distance variation to the server; the server periodically acquires the distance variable quantity; the first period for the stay wire displacement meter to send the distance variation to the server may be a first preset time duration. The first preset time length can be any value between 5s and 100 s; e.g., 5s, 10s, 20s, etc.
404. And the server acquires second coordinate information of each displaced first positioning detection point through at least three ground surface displacement monitors.
In the step, the ground surface displacement monitor positions the displaced position of each first positioning detection point, and obtains second coordinate information of each first positioning detection point after displacement; sending the second coordinate information to a server through a wireless communication base station; and the server receives the second coordinate information sent by the surface displacement monitor through the data receiver.
In one possible implementation manner, the ground surface displacement monitor may periodically send the second coordinate information after the displacement of the first positioning detection point to the server. The second period for the ground surface displacement monitor to send the second coordinate information to the server may be a second preset time duration. The second preset time period can be any value between 5s and 100 s; e.g., 5s, 10s, 20s, etc.
In another possible implementation manner, the ground surface displacement monitor may further send the second coordinate information after the displacement of the first positioning detection point to the server when detecting that the first positioning detection point is displaced.
In another possible implementation manner, the ground surface displacement monitor may further determine the size of the current displacement when detecting that the first positioning detection point is displaced; and when the size of the displacement is larger than a preset threshold value, sending second coordinate information after the displacement of the first positioning detection point to the server.
In one possible implementation, the second coordinate information may be the spatial coordinates of the first positioning detection point after displacement. For example, the second coordinate information after the displacement of the first positioning detection point a is a '(X' a, Y 'a, H' a); the second coordinate information after the displacement of the first positioning detection point B is B '(X' B, Y 'B, H' B); the second coordinate information after the displacement of the first positioning detection point C is C '(X' C, Y 'C, H' C).
In the embodiment of the application, the position shift monitor can send the second coordinate information after the displacement of the first positioning detection point to the server in real time through the wireless communication base station; the pull-wire type displacement meter can send the distance variation between the first positioning detection point and the first displacement point to be detected to the server in real time through the wireless communication base station; the server determines the real-time displacement condition of the pipeline to be detected according to the position information and the distance variation, so that the timeliness of the pipeline displacement monitoring system for monitoring the displacement of the pipeline to be detected is improved.
405. And the server determines the displacement of the first displacement point to be measured according to the first coordinate information, the second coordinate information and the third coordinate information of the at least three first positioning detection points and the distance variation between each first positioning detection point and the first displacement point to be measured.
In one possible implementation, this step may be implemented by the following steps (1) to (3):
(1) for each first positioning detection point, the server determines a first distance between the first positioning detection point before displacement and the first displacement to-be-detected point before displacement according to the third coordinate information and the first coordinate information of the first positioning detection point.
In one possible implementation manner, the number of the first positioning detection points is three; accordingly, the step may include: and the server determines a first distance between the three first positioning detection points before displacement and the first displacement to-be-detected point before displacement through a first distance formula according to the first coordinate information and the third coordinate information of the three first positioning detection points.
For example, the first coordinate information of the first positioning detection point a is a (Xa, Ya, Ha); the first coordinate information of the first positioning detection point B is B (Xb, Yb, Hb); the first coordinate information of the first positioning detection point C is C (Xc, Yc, Hc); the third coordinate information of the first displacement point P is P (Xp, Yp, Hp). The first distance formula is:
Figure BDA0002537516070000111
Figure BDA0002537516070000112
Figure BDA0002537516070000113
wherein L isAPRepresenting a first distance between the first positioning detection point A before displacement and the first displacement point P to be detected before displacement; l isBPRepresenting a first distance between the first positioning detection point B before displacement and the first displacement point P to be detected before displacement; l isCPRepresenting a first distance between the first positioning detection point C before displacement and the first displacement point P to be detected before displacement.
In another possible implementation manner, the number of the first positioning detection points is more than three; accordingly, the step may include: the server selects three first positioning detection points from the plurality of first positioning detection points, and determines a first distance between the three first positioning detection points before displacement and the first displacement point to be detected before displacement according to first coordinate information and third coordinate information of the three first positioning detection points and a first distance formula.
The server can select three first positioning detection points from the plurality of first positioning detection points for multiple times; the combination of the three first positioning detection points selected at each time is different.
For example, the number of the first positioning detection points is four; respectively a first positioning detection point A, a first positioning detection point B, a first positioning detection point C and a first positioning detection point D; the server may select four different combinations of first positioning detection points from the four first positioning detection points. The first positioning detection points of the four different combinations are respectively: a first positioning detection point A, a first positioning detection point B and a first positioning detection point C; a first positioning detection point A, a first positioning detection point B and a first positioning detection point D; a first positioning detection point A, a first positioning detection point C and a first positioning detection point D; a first positioning detection point B, a first positioning detection point C and a first positioning detection point D.
(2) And the server determines a second distance between the first positioning detection point after displacement and the first displacement to-be-detected point after displacement according to the first distance and the distance variation between the first positioning detection point and the first positioning detection point.
In one possible implementation manner, the server determines a sum of the first distance and a distance variation between the first positioning detection point and the first positioning detection point to obtain the second distance.
For example, the distance between the first positioning detection point A and the first displacement point P varies by Δ LAP(ii) a The distance variation between the first positioning detection point B and the first displacement point P is Delta LBP(ii) a The distance variation between the first positioning detection point C and the first displacement point P is Delta LCP. A second distance L 'between the displaced first positioning detection point A and the displaced first displacement point P'AP＝LAP+ΔLAP(ii) a A second distance L 'between the displaced first positioning detection point B and the displaced first displacement point P to be detected'BP＝LBP+ΔLBP(ii) a A second distance L 'between the displaced first positioning detection point C and the displaced first displacement point P to be detected'CP＝LCP+ΔLCP。
(3) And the server determines the displacement of the first displacement point to be measured according to the second distance between the at least three first positioning detection points after displacement and the first displacement point to be measured after displacement and the second coordinate information of the at least three first positioning detection points.
This step may include: the server determines fourth coordinate information of the first displacement to-be-detected point after displacement according to second distances between the at least three first positioning detection points after displacement and the first displacement to-be-detected point after displacement and second coordinate information of the at least three first positioning detection points; and determining the displacement of the first displacement point to be measured according to the third coordinate information and the fourth coordinate information.
In a possible implementation manner, the determining, by the server, fourth coordinate information of the first displacement to be detected after the displacement according to a second distance between the at least three first positioning detection points after the displacement and the first displacement to be detected after the displacement and second coordinate information of the at least three first positioning detection points includes: the server determines at least one first ternary equation set according to second distances between the at least three first positioning detection points after displacement and the first displacement detection points after displacement and second coordinate information of the at least three first positioning detection points; and determining fourth coordinate information of the first displacement to-be-detected point after displacement according to at least one first ternary equation set.
It should be noted that the number of the at least one first set of equations is related to the number of the at least three first positioning detection points. The server can select three first positioning detection points from the plurality of first positioning detection points for multiple times; the combinations of the three first positioning detection points selected each time are different; the first ternary equation sets corresponding to the three first positioning detection points in different combinations are different; that is, the number of the at least one first set of equations is the same as the number of combinations of the three first positioning detection points.
In a possible implementation manner, the first ternary equation set includes an equation relationship of a second distance between three displaced first positioning detection points and three displaced first displacement detection points. Wherein, a second distance between each first positioning detection point after displacement and the first displacement detection point after displacement is equal to the sum of a first distance between the first positioning detection point before displacement and the first displacement detection point before displacement and a distance variation between the first positioning detection point and the first displacement detection point; and a second distance between the displacement of the first positioning detection point and the displacement of the first displacement to-be-detected point is also equal to the distance between the second coordinate information and the first coordinate information.
For example, the second coordinate information after the displacement of the first positioning detection point a is a '(X' a, Y 'a, H' a); the second coordinate information after the displacement of the first positioning detection point B is B '(X' B, Y 'B, H' B); the second coordinate information after the displacement of the first positioning detection point C is C '(X' C, Y 'C, H' C); the fourth coordinate information of the first displacement point to be measured after P displacement is P '(X' P, Y 'P, H' P); the first set of equations is:
Figure BDA0002537516070000131
Figure BDA0002537516070000132
Figure BDA0002537516070000133
wherein, L'APRepresenting a second distance between the displaced first positioning detection point A and the displaced first displacement point P; l'BPThe second distance between the shifted first positioning detection point B and the shifted first displacement point P is represented; l'CPAnd the second distance between the first positioning detection point C after displacement and the first displacement point P to be detected after displacement is represented.
In a possible implementation manner, the displacement of the first displacement point to be measured may be an absolute displacement between the third coordinate information and the fourth coordinate information; correspondingly, the steps can be as follows: and the server determines the displacement of the first displacement point to be measured according to the third coordinate information and the fourth coordinate information through a first displacement formula.
For example, the third coordinate information after the displacement of the first displacement point P is P (Xp, Yp, Hp); the fourth coordinate information after the displacement of the first displacement point P is P '(X' P, Y 'P, H' P).
The first displacement equation is:
Figure BDA0002537516070000141
wherein, Δ LP'PRepresenting the absolute displacement of the first displacement point to be measured.
In another possible implementation manner, the displacement of the first displacement point to be measured may be a horizontal displacement between the third coordinate information and the fourth coordinate information; correspondingly, the steps can be as follows: and the server determines the displacement of the first displacement point to be measured according to the third coordinate information and the fourth coordinate information through a second displacement formula.
For example, the third coordinate information after the displacement of the first displacement point P is P (Xp, Yp, Hp); the fourth coordinate information after the displacement of the first displacement point P is P '(X' P, Y 'P, H' P).
The second displacement equation is:
Figure BDA0002537516070000142
wherein, Δ LP'PRepresenting the horizontal displacement of the first displacement point to be measured.
In another possible implementation manner, the displacement of the first displacement point to be measured may be a vertical displacement between the third coordinate information and the fourth coordinate information; correspondingly, the steps can be as follows: and the server determines the displacement of the first displacement point to be measured according to the third coordinate information and the fourth coordinate information through a third displacement formula.
For example, the third coordinate information after the displacement of the first displacement point P is P (Xp, Yp, Hp); the fourth coordinate information after the displacement of the first displacement point P is P '(X' P, Y 'P, H' P).
The third displacement formula is: Δ LP'P＝Hp'-Hp(ii) a Wherein, Δ LP'PRepresenting the vertical displacement of the first displacement point to be measured.
406. And the server determines the displacement of the pipeline to be detected according to the displacement of the first displacement point to be detected.
In one possible implementation manner, the number of the at least three first positioning detection points is three; the displacement of the first displacement point to be measured is one; correspondingly, the method comprises the following steps: and the server takes the displacement of the first displacement point to be measured as the displacement of the pipeline to be measured.
In another possible implementation manner, the number of the first positioning detection points is more than three; the displacement of the first displacement point to be measured is multiple; accordingly, the step may include: and the server determines the average value of the displacements of the first displacement points to be measured according to the displacements of the first displacement points to be measured, and takes the average value of the displacements as the displacement of the pipeline to be detected.
For example, the number of the first positioning detection points is four, the number of the first ternary equation set determined according to the first positioning detection points is four, and correspondingly, the displacement of the first displacement point to be detected is four; and the server determines the average value of the displacements of the four first displacement points to be measured according to the displacements of the four first displacement points to be measured, and the average value of the displacements is used as the displacement of the pipeline to be measured.
In the embodiment of the application, the average value of the displacements of the first displacement points to be detected is used as the displacement of the pipeline to be detected through the displacements of the first displacement points to be detected, so that the accuracy of testing the displacement of the pipeline to be detected is improved.
It should be noted that, after the server determines the displacement of the pipe to be detected according to the displacement of the first displacement point to be detected, if the displacement of the pipe to be detected is too large, the server may further generate an alarm message for reminding that the displacement of the pipe to be detected has exceeded the limit. In one possible implementation, the alarm information may be alarm text information; correspondingly, when the displacement exceeds a first displacement threshold, the server generates alarm information; and displaying the text information on a display screen of the server. The text information may be "information that the displacement of the pipeline to be detected has exceeded the limit".
Wherein the first displacement threshold may be any value between 1cm and 10cm, e.g., 1cm, 2cm, 5cm, etc.; in the embodiment of the present application, the size of the first displacement threshold is not particularly limited, and may be set and changed as needed.
In another possible implementation, the alarm information may also be alarm voice information; correspondingly, when the displacement exceeds a first displacement threshold, the server generates voice information; and broadcasting the voice information on the server. For example, the voice message is "the displacement of the pipe to be detected has exceeded the limit".
In this application embodiment, when waiting to detect the displacement of pipeline and transfinite, the server can show or report alarm information, reminds this to detect the displacement of pipeline and has transfinited to the intelligence of server has been improved.
The following describes an installation method of the pipe displacement monitoring system to be detected. The installation method of the pipeline displacement monitoring system to be detected comprises the following steps (1) to (6):
(1) and taking the first displacement point to be measured on the pipeline to be detected as the center, excavating the pipeline to be detected with the length multiplied by the width of 2m multiplied by 2m, and exposing the pipe bottom of the pipeline to be detected in the excavating depth.
(2) And installing a pipe clamp on a first displacement point to be measured of the pipeline to be detected.
In the step, one end of the pipe clamp penetrates through the pipe bottom of the pipeline to be detected, and is fixed on the first displacement point to be detected through a bolt and the other end of the pipe clamp. In one possible implementation, a metal ring is arranged on the pipe clamp; the position of the metal ring can be right above the pipeline to be detected, so that the metal ring and the connecting line can be conveniently connected.
(3) And arranging a ground surface displacement monitor at the positions of at least three first positioning detection points around the pipeline to be detected.
In one possible implementation manner, the number of the first positioning detection points is three; the pipeline to be detected is provided with a first positioning detection point along the right side of the airflow direction, and the pipeline to be detected is provided with two first positioning detection points along the left side of the airflow direction. And the included angle of a connecting line between two adjacent first positioning detection points and a first displacement point to be detected on the pipeline to be detected is not less than 30 degrees.
(4) And a stay wire type displacement meter and a data transmission component are arranged on each ground surface displacement monitor, and the stay wire type displacement meter is connected with the pipe clamp.
In this step, the pull-wire type displacement meter is connected with the pipe clamp through a connecting wire. One point to be noted is that the connection line needs to be kept taut.
(5) And remotely installing the data receiver and the server.
In this step, the data receiver and the server may be installed indoors, and after installation, the data receiver and the server need to be debugged, so as to ensure normal data information transmission between the data receiver and the server.
(6) And backfilling the operation pit.
In the step, the operation pit is backfilled and is used for protecting the pipeline to be detected and the pipe clamp and the connecting line which are arranged at the position to be detected of the first displacement.
It should be noted that the measurement accuracy of the pipeline displacement monitoring system depends on the measurement accuracy of the GNSS earth surface displacement monitor and the measurement accuracy of the pull-wire type displacement meter. In a possible implementation mode, the horizontal displacement testing precision of the GNSS earth surface displacement monitor is +/-2.5 mm, and the vertical displacement testing precision of the GNSS earth surface displacement monitor is +/-5 mm; the measurement precision of the stay wire type displacement meter is +/-0.1 mm; the measurement accuracy of the pipeline displacement monitoring system is +/-5 mm.
Fig. 5 is a block diagram of a pipeline displacement monitoring device provided by the present application. Referring to fig. 5, the apparatus includes:
the first acquiring module 501 is configured to acquire, through at least three surface displacement monitors, first coordinate information before displacement of at least three first positioning detection points around a pipe to be detected, where the at least three surface displacement monitors are arranged at positions of the at least three first positioning detection points;
the second obtaining module 502 is configured to obtain third coordinate information before displacement of the first displacement point to be measured on the pipe to be detected;
a third obtaining module 503, configured to obtain, through a guyed displacement meter arranged on each ground surface displacement monitor, a distance variation between each first positioning detection point and the first displacement point to be detected;
a fourth obtaining module 504, configured to obtain, through at least three surface displacement monitors, second coordinate information after displacement of each first positioning detection point;
a first determining module 505, configured to determine a displacement of a point to be measured for the first displacement according to first coordinate information and second coordinate information of at least three first positioning detection points, third coordinate information, and a distance variation between each first positioning detection point and the point to be measured for the first displacement;
and a second determining module 506, configured to determine the displacement of the pipe to be detected according to the displacement of the first displacement point to be detected.
In one possible implementation, referring to fig. 6, the first determining module 505 includes:
a first determining unit 5051, configured to determine, for each first positioning detection point, a first distance between the first positioning detection point before displacement and the first displacement to-be-detected point before displacement according to the third coordinate information and the first coordinate information of the first positioning detection point;
a second determining unit 5052, configured to determine, according to the first distance and a distance variation between the first positioning detection point and the first positioning detection point, a second distance between the displaced first positioning detection point and the displaced first displacement detection point;
a third determining unit 5053, configured to determine a displacement of the first displacement point to be measured according to a second distance between the at least three first positioning detection points after being displaced and the first displacement point to be measured after being displaced and second coordinate information of the at least three first positioning detection points.
In another possible implementation manner, the third determining unit 5053 is configured to determine fourth coordinate information of the first displacement to-be-detected point after displacement according to a second distance between the at least three first positioning detection points after displacement and the first displacement to-be-detected point after displacement and second coordinate information of the at least three first positioning detection points; and determining the displacement of the first displacement point to be measured according to the third coordinate information and the fourth coordinate information.
In the embodiment of the application, the server determines the displacement of the pipeline to be detected through at least three ground surface displacement monitors around the pipeline to be detected and a stay wire type displacement meter arranged on the ground surface displacement monitors; because earth's surface displacement detector and stay-supported displacement meter set up outside waiting to detect the pipeline, wait the in-process of the displacement of detecting the pipeline at the test, the circumstances of card pipe can not appear in earth's surface displacement detector and stay-supported displacement meter, so, this pipeline displacement monitoring system test waits to detect the stability of the displacement of pipeline strong, and efficiency of software testing is high.
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A pipe displacement monitoring system, the system comprising: the system comprises a wireless communication base station, a server, at least three earth surface displacement monitors and at least three stay-supported displacement meters;
the at least three ground surface displacement monitors are arranged at the positions of at least three first positioning detection points around the pipeline to be detected; each ground surface displacement monitor is provided with the stay wire type displacement meter; the stay wire type displacement meter is connected with a first displacement point to be measured on the pipeline to be measured;
the wireless communication base station is respectively in communication connection with the server, the at least three earth surface displacement monitors and the at least three stay-supported displacement meters;
the at least three surface displacement monitors are used for positioning first coordinate information before the displacement of the at least three first positioning detection points and second coordinate information after the displacement of the at least three first positioning detection points; the wireless communication base station is used for sending first coordinate information and second coordinate information of the at least three first positioning detection points to the server;
the stay wire type displacement meter is used for acquiring the distance variation between each first positioning detection point and the first displacement point to be detected; the wireless communication base station is used for sending the distance variation between each first positioning detection point and the first displacement point to be detected to the server;
the server is used for determining the displacement of the pipeline to be detected according to the first coordinate information and the second coordinate information of the at least three first positioning detection points, the distance variation between each first positioning detection point and the first displacement point to be detected and the third coordinate information before the displacement of the first displacement point to be detected.
2. The system according to claim 1, wherein an included angle between a connecting line between two adjacent first positioning detection points and a first displacement point to be detected on the pipeline to be detected is not less than 30 degrees.
3. The system of claim 1, further comprising: a pipe clamp and a connecting wire;
the pipe clamp is fixed at the position of a first displacement point to be measured on the pipeline to be measured; one end of the connecting wire is connected with the pipe clamp, and the other end of the connecting wire is connected with the stay wire type displacement meter.
4. The system of claim 3, further comprising: a protective sleeve;
the protective sleeve is arranged outside the connecting line and used for protecting the connecting line.
5. The system of claim 1, further comprising: a solar power supply;
the solar power supply is respectively connected with the earth surface displacement monitor and the stay wire type displacement meter; the power supply is used for supplying power to the ground surface displacement monitor and the stay wire type displacement meter.
6. A method of monitoring displacement of a pipeline, the method comprising:
acquiring first coordinate information before displacement of at least three first positioning detection points around a pipeline to be detected by at least three surface displacement monitors, wherein the at least three surface displacement monitors are arranged at the positions of the at least three first positioning detection points;
acquiring third coordinate information before the displacement of the first displacement point to be measured on the pipeline to be detected;
acquiring the distance variation between each first positioning detection point and the first displacement point to be detected through a stay wire type displacement meter arranged on each ground surface displacement monitor;
acquiring second coordinate information of each displaced first positioning detection point through the at least three ground surface displacement monitors;
determining the displacement of the first displacement point to be measured according to the first coordinate information, the second coordinate information and the third coordinate information of the at least three first positioning detection points and the distance variation between each first positioning detection point and the first displacement point to be measured;
and determining the displacement of the pipeline to be detected according to the displacement of the first displacement point to be detected.
7. The method as claimed in claim 6, wherein the determining the displacement of the point to be displaced according to the first coordinate information and the second coordinate information of the at least three first positioning detection points, the third coordinate information, and the amount of change in the distance between each first positioning detection point and the point to be displaced comprises:
for each first positioning detection point, determining a first distance between the first positioning detection point before displacement and the first displacement to-be-detected point before displacement according to the third coordinate information and the first coordinate information of the first positioning detection point;
determining a second distance between the first positioning detection point after displacement and the first displacement to-be-detected point after displacement according to the first distance and the distance variation between the first positioning detection point and the first positioning detection point;
and determining the displacement of the first displacement point to be measured according to a second distance between the at least three first positioning detection points after displacement and the first displacement point to be measured after displacement and second coordinate information of the at least three first positioning detection points.
8. The method as claimed in claim 7, wherein the determining the displacement of the first displacement point to be detected according to the second distance between the displacement of the at least three first positioning detection points and the displacement of the first displacement point to be detected and the second coordinate information of the at least three first positioning detection points comprises:
determining fourth coordinate information of the at least three first displacement detection points after displacement according to second distances between the at least three first positioning detection points after displacement and the first displacement detection points after displacement and second coordinate information of the at least three first positioning detection points;
and determining the displacement of the first displacement point to be measured according to the third coordinate information and the fourth coordinate information.
9. A pipe displacement monitoring device, the device comprising:
the device comprises a first acquisition module, a second acquisition module and a first positioning module, wherein the first acquisition module is used for acquiring first coordinate information before displacement of at least three first positioning detection points around a pipeline to be detected through at least three surface displacement monitors, and the at least three surface displacement detectors are arranged at the positions of the at least three first positioning detection points;
the second acquisition module is used for acquiring third coordinate information before the displacement of the first displacement point to be measured on the pipeline to be detected;
the third acquisition module is used for acquiring the distance variation between each first positioning detection point and the first displacement point to be detected through a stay wire type displacement meter arranged on each ground surface displacement monitor;
the fourth acquisition module is used for acquiring second coordinate information of each displaced first positioning detection point through the at least three ground surface displacement monitors;
the first determining module is used for determining the displacement of the first displacement point to be measured according to the first coordinate information, the second coordinate information and the third coordinate information of the at least three first positioning detection points and the distance variation between each first positioning detection point and the first displacement point to be measured;
and the second determining module is used for determining the displacement of the pipeline to be detected according to the displacement of the first displacement point to be detected.
10. The apparatus of claim 9, wherein the first determining module comprises:
a first determining unit, configured to determine, for each first positioning detection point, a first distance between a position before displacement of the first positioning detection point and a position before displacement of the first displacement to be detected according to the third coordinate information and the first coordinate information of the first positioning detection point;
a second determining unit, configured to determine, according to the first distance and a distance variation between the first positioning detection point and the first positioning detection point, a second distance between the first positioning detection point after being displaced and the first displacement to-be-detected point after being displaced;
and the third determining unit is used for determining the displacement of the first displacement point to be measured according to a second distance between the at least three first positioning detection points after being displaced and the first displacement point to be measured after being displaced and second coordinate information of the at least three first positioning detection points.
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