An intelligent basalt fiber pipeline based on fiber optic sensing

Abstract

The present invention relates to a basalt fiber intelligent pipeline based on optical fiber sensing in the field of pipelines, which includes a structural layer. An inner pipe body is connected inside the structural layer, and an outer protective layer is sleeved on the structural layer. A plurality of wire grooves are formed on the inner wall of the outer protective layer, and an optical fiber sensing wire is installed in the wire grooves. A temperature sensor and a vibration sensor are installed on the optical fiber sensing wire. Pressure monitoring rings matching the optical fiber sensing wire are installed at both ends of the structural layer. A monitoring unit is embedded at the pressure monitoring rings. The monitoring unit includes a plurality of evenly distributed grating sensors, and the monitoring unit is used to detect the sealing performance at the pressure monitoring rings. The main docking ring is used for normal leakage self-repair. The auxiliary docking ring is used for auxiliary sealing of normal leakage self-repair, realizing real-time monitoring and intelligent early warning of the pipeline state through optical fiber sensing technology, and improving the safety and reliability of the pipeline.

Description

Technical Field

[0001] The present invention relates to a basalt fiber intelligent pipeline based on optical fiber sensing, and particularly to a basalt fiber intelligent pipeline based on optical fiber sensing applied to the pipeline field. Background Art

[0002] Basalt fiber pipelines are pipeline products made of basalt fiber materials. Basalt fiber is a high-performance inorganic fiber with excellent properties such as high temperature resistance, corrosion resistance, high strength, and low density. It is a fiber material drawn from basalt ore through high-temperature melting and specific processes.

[0003] Basalt fiber pipelines have broad application prospects in industries such as petroleum, chemical industry, electric power, and water treatment. Due to its excellent high-temperature resistance, basalt fiber pipelines can withstand high-temperature environments up to 600°C, which gives it obvious advantages when transporting high-temperature media. At the same time, basalt fiber pipelines also have good chemical stability and can resist the corrosion of various acids, alkalis, and organic solvents, making them suitable for various harsh chemical environments.

[0004] The specification of Chinese invention patent CN111237557B discloses a high-strength and corrosion-resistant basalt fiber composite water supply and drainage pipeline, including a first connecting pipe and a second connecting pipe. The second connecting pipe is located on one side of the first connecting pipe. A pipeline connector is sleeved at the connection between the first connecting pipe and the second connecting pipe. A sealing seat is fixedly installed on the inner surface of the first connecting pipe near the end, and a sealing ring is fixedly installed on the inner surface of the second connecting pipe near the end. The high-strength and corrosion-resistant basalt fiber composite water supply and drainage pipeline of this invention can be tightened after the water supply and drainage pipelines are connected and can improve the stability of the placement of the water supply and drainage pipelines.

[0005] Chinese invention patent CN119189432B, a high-strength basalt fiber drainage pipe and its production process, both its inner layer and outer layer are made of a composite of basalt fiber reinforcing materials and high-performance polyester resin, and the middle layer uses a mixture of styrene-butadiene rubber and polyurethane to form a leak-proof self-repairing polymer rubber layer. When leakage occurs, cobalt chloride at the leakage point will absorb water and change color, enabling more intuitive, rapid, and accurate detection of leakage situations.

[0006] Currently, there are obvious deficiencies in the health monitoring means for basalt fiber pipes, especially in detecting and diagnosing their structural integrity. When leakage problems occur at the connection parts of the fiber pipes, there are no effective remedial measures to deal with and repair them, which may lead to further structural damage and potential safety risks. Summary of the Invention

[0007] In view of the above-mentioned prior art, the technical problem to be solved by the present invention is that currently, there are obvious deficiencies in the health monitoring means of basalt fiber pipes, especially in detecting and diagnosing their structural integrity. When leakage problems occur at the connection parts of the fiber pipes, there are no effective remedial measures to deal with and repair them, which may lead to further structural damage and potential safety risks.

[0008] To solve the above problems, the present invention provides a basalt fiber intelligent pipeline based on optical fiber sensing, which includes a structural layer, an inner pipe body is connected inside the structural layer, and an outer protective layer is sleeved on the structural layer;

[0009] A plurality of wire grooves are opened on the inner wall of the outer protective layer, an optical fiber sensing wire is installed in the wire grooves, and a temperature sensor and a vibration sensor are installed on the optical fiber sensing wire;

[0010] Pressure monitoring rings matching the optical fiber sensing wire are installed at both ends of the structural layer, and a monitoring unit matching therewith is embedded at the pressure monitoring rings. The monitoring unit includes a plurality of evenly distributed grating sensors, and the monitoring unit is used to detect the sealing performance at the pressure monitoring rings;

[0011] A main docking ring and a sub-docking ring are respectively installed on the pressure monitoring rings at both ends of the structural layer; the main docking ring includes a main ring body, an installation groove is opened on the end face of the main ring body, an electric heating ring is installed at the bottom end of the installation groove, and a thermal expansion ring is slidably connected in the installation groove; the thermal expansion ring expands towards the opening direction of the installation groove after being heated; the main docking ring is used for normal leakage self-repair;

[0012] The sub-docking ring is used for auxiliary sealing of normal leakage self-repair, and a piston docking ring opposite to the thermal expansion ring is arranged inside the sub-docking ring.

[0013] In the above-mentioned basalt fiber intelligent pipeline based on optical fiber sensing, real-time monitoring and intelligent early warning of the pipeline state are realized through optical fiber sensing technology.

[0014] As a further improvement of the present application, the sub-docking ring includes a sub-ring body, a sealing groove opposite to the installation groove is opened on the end face of the sub-ring body, the piston docking ring is slidably connected in the sealing groove, a pressure sensor is installed on the piston docking ring, an air pipe communicating with the sealing groove is opened on the side end of the sub-ring body, and the piston docking ring moves towards the thermal expansion ring direction after the sealing groove is inflated through the air pipe.

[0015] As a further improvement of the present application, a distribution terminal is arranged outside the pressure monitoring ring, a power supply unit and a communication unit are arranged inside the distribution terminal, and an inflation device for supplying air to the air pipe is installed inside the distribution terminal.

[0016] As a further improvement of the present application, the structural layer is a basalt fiber braided layer, and a plurality of FBG optical fibers wound in an end spiral manner are embedded in the basalt fiber braided layer. A plurality of wiring nodes electrically connected to the FBG optical fibers are arranged on the outer surface of the structural layer, and the outer protective layer is electrically connected to the wiring nodes.

[0017] As a further improvement of the present application, the outer layer of the outer protective layer is coated with a corrosion-resistant coating, and a heat-conducting layer is laid on the inner wall of the outer protective layer between two adjacent wire grooves.

[0018] As another improvement of the present application, a sealing gasket is provided between a pair of pressure monitoring rings, and the monitoring unit detects whether the compression deformation of the sealing gasket is uniform by detecting the wavelength shift of the grating.

[0019] As another improvement of the present application, an auxiliary monitoring system is further included. The auxiliary monitoring system includes a data processing module, an early warning module, a data acquisition module, a control module and a self-check module;

[0020] The data acquisition module is used for acquiring monitoring data, and the monitoring data includes the monitoring data acquired by the outer protective layer and the pressure monitoring rings;

[0021] The data processing module is used for processing and analyzing the monitoring data, and judging the pipeline state by analyzing the monitoring data;

[0022] The early warning module is used for executing a preset early warning plan according to the pipeline state;

[0023] The control module is used for power supply distribution and controlling the operation of the main docking ring and the distributed terminals.

[0024] As a supplement to another improvement of the present application, a three-level early warning plan is set in the early warning module. In the first-level early warning, the system records and generates an inspection work order, and at the same time sends the inspection work order to a preset contact person. When there is monitoring data exceeding the set value range, the first-level early warning is triggered;

[0025] In the second-level early warning, the pipeline pressure is automatically reduced and an alarm is pushed to the preset contact person. The second-level early warning is triggered when multiple types of monitoring data are jointly abnormal;

[0026] In the third-level early warning, a specified valve is triggered to close, and at the same time the main docking ring is started for self-repair and the preset contact person is notified. The third-level early warning is triggered when any type of monitoring data is greater than the maximum set threshold.

[0027] As a supplement to another improvement of the present application, the auxiliary monitoring system further includes a self-check module. The self-check module is used for system health detection and data integrity verification. When the self-check module works: first, it checks the status of each sensor in the system to detect whether the sensors are all in normal working states; at the same time, the self-check module tests the data transmission link to verify whether the data transmission is stable and reliable.

[0028] In summary, this solution realizes real-time monitoring and intelligent early warning of pipeline status through fiber optic sensing technology, obtains a basalt fiber pipeline with functions of real-time monitoring, efficient maintenance and intelligent early warning, and improves the safety and reliability of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 Is the three-dimensional view of the pipeline of the first embodiment of this application;

[0030] Figure 2 Is the side sectional view of the first embodiment of this application;

[0031] Figure 3 Is Figure 2 The structural schematic diagram at A in

[0032] Figure 4 Is the partial sectional view when the thermal expansion ring of the first embodiment of this application adopts a composite ring;

[0033] Figure 5 Is the three-dimensional view of the pipeline end face of the first embodiment of this application;

[0034] Figure 6 Is the usage state diagram of the first embodiment of this application;

[0035] Figure 7 Is the system block diagram of the second embodiment of this application;

[0036] Figure 8 Is the early warning working logic flow chart of the second embodiment of this application.

[0037] Description of the reference numerals in the drawings:

[0038] 1, structural layer; 2, outer protective layer; 3, fiber optic sensing line; 4, pressure monitoring ring; 5, main docking ring; 51, main ring body; 52, electric heating ring; 53, thermal expansion ring; 6, sub-docking ring; 61, sub-ring body; 62, piston docking ring; 7, distribution terminal. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0039] The following will describe in detail the two embodiments of this application with reference to the drawings.

[0040] The first embodiment:

[0041] Figure 1 - Figure 6 As shown, a basalt fiber intelligent pipeline based on fiber optic sensing includes a structural layer 1, an inner pipe body is connected inside the structural layer 1, and an outer protective layer 2 is sleeved on the structural layer 1, and the outer protective layer 2 is used for external protection of the pipeline;

[0042] The structural layer 1 is a basalt fiber braided layer, and a plurality of FBG optical fibers wound in an end spiral manner are embedded in the basalt fiber braided layer. A plurality of wiring nodes electrically connected to the FBG optical fibers are arranged on the outer surface of the structural layer 1, and the outer protective layer 2 is electrically connected to the wiring nodes.

[0043] The outer layer of the outer protective layer 2 is coated with a corrosion-resistant coating, and a heat-conducting layer is laid on the inner wall of the outer protective layer 2 between two adjacent wire grooves; a plurality of wire grooves are formed in the inner wall of the outer protective layer 2, and an optical fiber sensing line 3 is installed in the wire grooves. A temperature sensor and a vibration sensor are installed on the optical fiber sensing line 3; the optical fiber sensing line 3 monitors the temperature and vibration in real time; those skilled in the art set appropriate sensors in the prior art on the optical fiber sensing line 3 to perform multi-point temperature and vibration detection on the pipeline; for example: distributed optical fiber sensors;

[0044] Pressure monitoring rings 4 matched with the optical fiber sensing line 3 are installed at both ends of the structural layer 1. The pressure monitoring rings 4 are used for the butt joint and sealing of adjacent pipelines. A monitoring unit matched with the pressure monitoring rings 4 is embedded and installed at the pressure monitoring rings 4, and the monitoring unit is electrically connected to the optical fiber sensing line 3. The monitoring unit includes a plurality of uniformly distributed grating sensors, and the monitoring unit is used for detecting the sealing performance at the pressure monitoring rings 4; those skilled in the art select appropriate grating sensors to realize the detection of the sealing performance at the pressure monitoring rings 4; for example: FBG sensors that can detect local strain;

[0045] A sealing gasket is arranged between a pair of pressure monitoring rings 4, and the monitoring unit detects whether the compression deformation of the sealing gasket is uniform through the grating wavelength shift amount.

[0046] Main docking rings 5 and auxiliary docking rings 6 are respectively installed on the pressure monitoring rings 4 at both ends of the structural layer 1; the main docking ring 5 performs temporary leakage self-repair on the pipeline when the optical fiber sensing line 3 detects leakage at the docking part;

[0047] The main docking ring 5 includes a main ring body 51. The main ring body 51 is made of a heat-insulating material. An installation groove is formed in the end face of the main ring body 51. An electric heating ring 52 is installed at the bottom end of the installation groove. A thermal expansion ring 53 is slidably connected in the installation groove. The thermal expansion ring 53 expands towards the opening direction of the installation groove after being heated; the main docking ring 5 is used for normal leakage self-repair; the thermal expansion ring 53 includes any one of a memory alloy ring that is easily expanded by heat or a composite ring with an internal thermal expansion liquid; the memory alloy ring includes a pair of alloy rings, and a nickel-titanium alloy layer is connected between the pair of alloy rings. The nickel-titanium alloy layer expands after being heated, so that one alloy ring moves towards the opening of the installation groove;

[0048] The composite ring includes a fixed ring embedded in the installation groove. The fixed ring is made of a heat-conducting material and is attached to the electrothermal ring 52. An annular sliding groove is formed in the composite ring, and a movable ring matching the installation groove is slidably limited in the annular sliding groove. A thermal expansion liquid is filled in the annular sliding groove, and a suitable liquid that is easy to expand when heated in the prior art is selected by those skilled in the art for filling, such as acetone and methyl ethyl ketone. The thermal expansion liquid expands when heated, and then pushes the movable ring towards the opening of the installation groove.

[0049] The secondary docking ring 6 includes a secondary ring body 61. A sealing groove opposite to the installation groove is formed on the end face of the secondary ring body 61. A piston docking ring 62 is slidably connected in the sealing groove. The piston docking ring 62 faces the thermal expansion ring 53. A pressure sensor is installed on the piston docking ring 62. An air pipe communicating with the sealing groove is formed on the side end of the secondary ring body 61. After the sealing groove is inflated through the air pipe, the piston docking ring 62 moves towards the thermal expansion ring 53. The secondary docking ring 6 is used for auxiliary sealing of normal leakage self-repair.

[0050] A distribution terminal 7 is arranged outside the pressure monitoring ring 4. A power supply unit and a communication unit are arranged in the distribution terminal 7. An inflation device for supplying air to the air pipe is installed in the distribution terminal 7. A data transmission line is connected between the main ring body 51 and the distribution terminal 7. The data collected by the optical fiber sensing line 3 and the pressure monitoring ring 4 are transmitted to the distribution terminal 7 through the data transmission line and then transmitted to the external system through the communication unit.

[0051] When the main docking ring 5 performs normal self-repair, the thermal expansion ring 53 floats after being heated. The thermal expansion ring 53 floats into the sealing groove to fill the gap and abuts against the piston docking ring 62, so as to achieve normal self-repair. When the sealing is unstable at the pressure monitoring ring 4, compensation sealing is performed through the main docking ring 5 by means of normal self-repair.

[0052] The secondary docking ring 6 is used for auxiliary sealing when the main docking ring 5 is working abnormally due to work fatigue or damage and cannot complete the preset normal self-repair. The specific working process is as follows: when the pressure value detected at the piston docking ring 62 is lower than the set value after the main docking ring 5 expands due to heat, it is determined that the main docking ring 5 is working abnormally. At this time, the sealing groove is inflated through an external air supply device, and then the piston docking ring 62 moves to squeeze the thermal expansion ring 53 to complete normal self-repair.

[0053] In this embodiment, sensors embedded in the pipeline are used to monitor the temperature and vibration changes of the pipeline in real time. The designs of the main docking ring 5 and the secondary docking ring 6 enable the pipeline to have stronger sealing performance and self-repair ability at the docking part, realizing real-time monitoring and efficient maintenance of the basalt fiber intelligent pipeline.

[0054] The second embodiment:

[0055] Among them, the components that are the same as or corresponding to those in the first embodiment are denoted by the corresponding reference numerals in the first embodiment. For the sake of simplicity, only the differences from the first embodiment will be described below. The differences between the second embodiment and the first embodiment are as follows:

[0056] Figure 7 - Figure 8 As shown, it further includes an auxiliary monitoring system, which includes a data processing module, an early warning module, a data acquisition module, a control module, and a self-check module;

[0057] The data acquisition module is used to acquire monitoring data, and the monitoring data includes the monitoring data collected by the outer protective layer 2 and the pressure monitoring ring 4;

[0058] The data processing module is used to process and analyze the monitoring data, and judge the pipeline state by analyzing the monitoring data;

[0059] The early warning module is used to execute a preset early warning plan according to the pipeline state;

[0060] The control module is used for power supply distribution and controlling the operation of the main docking ring 5 and the distributed terminal 7;

[0061] There is a three-level early warning plan set in the early warning module. In the first-level early warning, the system records and generates an inspection work order, and at the same time sends the inspection work order to a preset contact person. When any type of monitoring data is outside the set safety range value, the first-level early warning is triggered;

[0062] The first-level early warning mechanism ensures the standardization and timeliness of the daily inspection of the pipeline. By generating and sending the inspection work order, it reminds relevant personnel to conduct regular inspections and maintenance of the pipeline; when there is monitoring data exceeding the set value range, the first-level early warning is triggered;

[0063] In the second-level early warning, the pipeline pressure is automatically reduced and an alarm is pushed to the preset contact person. The second-level early warning is triggered when multiple types of monitoring data are jointly abnormal. For example, when the strain suddenly increases to exceed the set value while the temperature drops below the set value;

[0064] The second-level early warning mechanism is aimed at the situation where multiple types of monitoring data are jointly abnormal. It automatically reduces the pipeline pressure to reduce potential risks and pushes alarm information to the preset contact person so as to quickly take countermeasures.

[0065] In the third-level early warning, the designated valve is triggered to close, and at the same time the main docking ring 5 is started for self-repair and the preset contact person is notified. When any type of monitoring data is greater than the maximum set threshold (indicating pipeline leakage or structural instability at this time), the third-level early warning is triggered;

[0066] Once the three - level warning mechanism detects serious problems such as pipeline leakage or structural instability, it immediately triggers the closing of the designated valve to prevent the situation from deteriorating further, activates the main docking ring 5 for self - repair, and notifies the preset contacts to ensure that the problem can be solved in a timely and effective manner.

[0067] This embodiment realizes the full - range intelligent monitoring and warning of basalt fiber intelligent pipelines. Through the auxiliary monitoring system, the operation data of the pipeline can be collected and analyzed in real time, and potential safety hazards can be discovered in a timely manner. Moreover, the setting of the warning module facilitates the implementation of appropriate solutions for pipeline maintenance in different abnormal states of the pipeline.

[0068] The third embodiment:

[0069] Among them, the same or corresponding components as those in the second embodiment adopt the corresponding reference numerals of the second embodiment. For the sake of simplicity, only the differences from the second embodiment are described below. The differences between the third embodiment and the second embodiment are as follows:

[0070] The auxiliary monitoring system further includes a self - inspection module. The self - inspection module is used for system health detection and data integrity verification. When the self - inspection module works: it first checks the status of each sensor in the system to detect whether all sensors are in normal working conditions; at the same time, the self - inspection module tests the data transmission link to verify whether the data transmission is stable and reliable.

[0071] In addition, the self - inspection module also regularly performs data integrity verification. By comparing historical data and current data, it ensures the continuity and accuracy of the monitoring data;

[0072] The data integrity verification and data transmission link test adopt existing technologies to detect whether the system data transmission and sensors are working properly through the self - inspection module;

[0073] If the self - inspection module detects any abnormal conditions during operation, it triggers a first - level warning. Abnormal conditions such as: data loss is detected during the data transmission link test, and the historical data does not match the current data during the data integrity verification;

[0074] The regular inspection of each component inside the system by the self - inspection module can timely discover potential faults and easily reduce the risk of monitoring interruption caused by equipment failures. The design of the self - inspection module fully considers usability. The self - inspection process can be started with simple settings without complex operations, improving the maintenance efficiency of the system.

[0075] To sum up, this solution realizes the real - time monitoring and intelligent warning of the pipeline state through fiber optic sensing technology, obtains a basalt fiber pipeline with real - time monitoring, efficient maintenance and intelligent warning functions, and improves the safety and reliability of the pipeline.

[0076] Combined with the current actual requirements, the above-described implementation manner adopted in this application, the scope of protection is not limited thereto. Within the scope of knowledge possessed by those skilled in the art, various changes made without departing from the concept of this application still fall within the scope of protection of the present invention.

Claims

1. A basalt fiber intelligent pipeline based on optical fiber sensing, comprising a structural layer (1), wherein an inner pipe body is connected to the structural layer (1), characterized in that: The structural layer (1) is sleeved with an outer protective layer (2); a plurality of threading grooves are provided on the inner wall of the outer protective layer (2), optical fiber sensing lines (3) are installed in the threading grooves, and a temperature sensor and a vibration sensor are installed on the optical fiber sensing line (3); pressure monitoring rings (4) matching the optical fiber sensing line (3) are installed at both ends of the structural layer (1), and a monitoring unit matching the pressure monitoring ring (4) is embedded and installed, the monitoring unit includes a plurality of evenly distributed grating sensors, and the monitoring unit is used to detect the sealing performance of the pressure monitoring ring (4); A main docking ring (5) and a secondary docking ring (6) are respectively installed on the pressure monitoring rings (4) at both ends of the structural layer (1); the main docking ring (5) comprises a main ring body (51), an end surface of the main ring body (51) is provided with a mounting groove, an electric heating ring (52) is installed at the bottom end of the mounting groove, a heat expansion ring (53) is slidably connected in the mounting groove, and the heat expansion ring (53) expands towards the opening direction of the mounting groove after being heated; the main docking ring (5) is used for normal leakage self-repair; The auxiliary docking ring (6) is used for auxiliary sealing of normal leakage self-repair. A piston docking ring (62) is arranged in the auxiliary docking ring (6) opposite to the thermal expansion ring (53). The auxiliary docking ring (6) comprises an auxiliary ring body (61). The end surface of the auxiliary ring body (61) is provided with a sealing groove opposite to the installation groove. A pressure sensor is installed on the piston docking ring (62). When the pressure value detected at the piston docking ring (62) is lower than the set value, it is judged that the main docking ring (5) is working abnormally. At this time, air is inflated into the sealing groove, thereby causing the piston docking ring (62) to move and squeeze the thermal expansion ring (53).

2. The basalt fiber intelligent pipeline based on optical fiber sensing according to claim 1 is characterized by: The piston docking ring (62) is slidably connected in the sealing groove, and an air pipe communicating with the sealing groove is provided at the side end of the auxiliary ring body (61). After the sealing groove is inflated through the air pipe, the piston docking ring (62) moves in the direction of the thermal expansion ring (53).

3. The basalt fiber intelligent pipeline based on optical fiber sensing according to claim 1 is characterized by: A distribution terminal (7) is arranged outside the pressure monitoring ring (4), a power supply unit and a communication unit are arranged inside the distribution terminal (7), and an inflation device for air pipe air supply is installed inside the distribution terminal (7).

4. The basalt fiber intelligent pipeline based on optical fiber sensing according to claim 1 is characterized by: The structural layer (1) is a basalt fiber braided layer, and a plurality of end-helical-wound FBG optical fibers are embedded in the basalt fiber braided layer. A plurality of wiring nodes electrically connected to the FBG optical fibers are arranged on the outer surface of the structural layer (1), and the outer protective layer (2) is electrically connected to the wiring nodes.

5. The basalt fiber intelligent pipeline based on optical fiber sensing according to claim 1 is characterized by: The outer layer of the outer protective layer (2) is coated with a corrosion-resistant coating, and the inner wall of the outer protective layer (2) between two adjacent threading grooves is paved with a heat-conducting layer.

6. The basalt fiber intelligent pipeline based on optical fiber sensing according to claim 1 is characterized by: A sealing gasket is provided between the pair of pressure monitoring rings (4), and the monitoring unit detects whether the compression deformation of the sealing gasket is uniform through the grating wavelength offset.

7. A basalt fiber intelligent pipeline based on optical fiber sensing according to any one of claims 1 to 6, characterized in that: It also includes an auxiliary monitoring system, which includes a data processing module, an early warning module, a data acquisition module, a control module and a self-checking module; The data acquisition module is used to collect monitoring data, the monitoring data including monitoring data collected by the outer protective layer (2) and the pressure monitoring ring (4); The data processing module is used to process and analyze monitoring data, and determine the pipeline status by analyzing the monitoring data; The early warning module is used to execute a preset early warning plan according to the pipeline status; The control module is used for power distribution and controlling the operation of the main docking ring (5) and the distribution terminal (7).

8. The basalt fiber intelligent pipeline based on optical fiber sensing according to claim 7 is characterized by: The warning module is provided with a three-level warning scheme. In the case of a first-level warning, the system records and generates an inspection work order, and sends the inspection work order to a preset contact person. When there is monitoring data exceeding the set value range, a first-level warning is triggered; In the case of a Level 2 warning, the pipeline pressure is automatically reduced and an alarm is pushed to the preset contact. When multiple types of monitoring data are combined and abnormal, a Level 2 warning is triggered; When the third-level warning is triggered, the designated valve is closed, and the main docking ring (5) is started to perform self-repair and notify the preset contact person. When any type of monitoring data is greater than the maximum set threshold, the third-level warning is triggered.

9. The basalt fiber intelligent pipeline based on optical fiber sensing according to claim 7 is characterized by: The auxiliary monitoring system also includes a self-check module, which is used for system health detection and data integrity verification. When the self-check module is working: it will first check the status of each sensor in the system to detect whether the sensors are in normal working condition; at the same time, the self-check module will test the data transmission link to verify whether the data transmission is stable and reliable.

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