A security detection method and system

Abstract

The application discloses a kind of safety detection method and system, comprising: by target probe component in probe component, when detecting that pipeline is in vibration event trigger, current state is switched from detection state to trigger state, vibration message is generated, and vibration message is sent to processing terminal;By processing terminal, vibration message sent by target probe component is received, and whether there is effective vibration event currently based on vibration message is determined, if yes, corresponding vibration safety response measure is executed, and vibration safety response measure at least includes sending recording wave broadcast to each probe component;By each probe component, in response to recording wave broadcast, current state is switched to recording wave state, vibration waveform data is collected, and vibration waveform data is uploaded to processing terminal.The above technical scheme realizes the real-time perception and accurate identification of environmental emergencies efficiently with lower cost, and improves the security efficiency.

Description

Technical Field

[0001] This invention relates to the field of pipeline monitoring technology, and in particular to a safety detection method and system. Background Technology

[0002] Long-distance oil and gas pipelines are widely distributed and are typical linear engineering projects, inevitably crossing high mountains, deep valleys, steep terrain, and various man-made structures. Compared to buried pipelines, crossing pipelines are erected overhead, passing over obstacles. Exposed, they are susceptible to various sudden environmental loads such as rockfalls, landslides, wind loads, earthquakes, and blasting operations, making them a weak link in the pipeline safety protection system. If monitoring, early warning, and protective measures are not implemented in a timely manner, it is highly likely that the pipeline will deform, break, or even cause catastrophic consequences such as leaks and explosions.

[0003] For a long time, the safety monitoring of long-distance oil and gas pipelines in China has mainly relied on regular manual inspections, which is inefficient and susceptible to external interference. In recent years, distributed fiber optic sensing technology has developed rapidly and has been applied to the safety monitoring of buried oil and gas pipelines. However, this technology system is large, the equipment cost is high, and the subsequent testing and maintenance processes are complex and cumbersome, posing certain challenges to practical applications.

[0004] Therefore, how to innovatively achieve low-cost, efficient, and accurate monitoring of sudden loads in overhead pipeline environments to improve overall security efficiency has become a key technical challenge that technical personnel in this field urgently need to overcome. Summary of the Invention

[0005] This invention provides a security detection method and system that enables real-time perception and accurate identification of environmental emergencies at a low cost and high efficiency, thereby improving security efficiency.

[0006] In a first aspect, embodiments of this disclosure provide a security detection method applied to a security detection system, the security detection system including a processing terminal and multiple probe assemblies, the processing terminal and each of the probe assemblies being connected via a multi-core cable, the method comprising:

[0007] When a vibration event is detected in the pipeline, the target probe component in the probe assembly switches the current state from detection state to trigger state, generates a vibration message, and sends the vibration message to the processing terminal.

[0008] The processing terminal receives vibration messages sent by the target probe assembly and determines whether there is a valid vibration event based on the vibration messages. If so, it executes corresponding vibration safety response measures, which include at least sending a waveform broadcast to each probe assembly.

[0009] Each of the probe components, in response to the waveform recording broadcast, switches its current state to waveform recording state, collects vibration waveform data, and uploads the vibration waveform data to the processing terminal.

[0010] In a second aspect, embodiments of this disclosure provide a security detection system for performing the method described in the first aspect, the system including a processing terminal and a plurality of probe assemblies, the processing terminal and each of the probe assemblies being connected via a multi-core cable;

[0011] The probe assembly is used to change to a target probe assembly when a vibration event is detected in the pipeline, switch the current state from detection state to trigger state, generate a vibration message, and send the vibration message to the processing terminal.

[0012] The processing terminal is used to receive vibration messages sent by the target probe assembly, and determine whether there is a valid vibration event based on the vibration messages. If so, it executes corresponding vibration safety response measures. The vibration safety response measures include at least sending a waveform broadcast to each probe assembly.

[0013] The probe assembly is used to switch the current state to the recording state in response to the recording broadcast, collect vibration waveform data, and upload the vibration waveform data to the processing terminal.

[0014] An embodiment of the present invention provides a safety detection method and system, which includes switching the current state from a detection state to a trigger state when a vibration event is detected in a pipeline by a target probe component in a probe assembly, generating a vibration message, and sending the vibration message to the processing terminal.

[0015] The processing terminal receives vibration messages sent by the target probe assembly and determines whether there is a valid vibration event based on the vibration messages. If so, it executes corresponding vibration safety response measures, which include at least sending a waveform broadcast to each probe assembly.

[0016] Each probe component, in response to the waveform recording broadcast, switches its current state to waveform recording state, collects vibration waveform data, and uploads the vibration waveform data to the processing terminal. This technical solution achieves real-time perception and accurate identification of environmental emergencies at a low cost, thereby improving security efficiency.

[0017] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of the present invention, nor is it intended to limit the scope of the invention. Other features of the invention will become readily apparent from the following description. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a flowchart of a security detection method provided in Embodiment 1 of the present invention;

[0020] Figure 2 This is a deployment diagram of a security detection system provided in Embodiment 2 of the present invention;

[0021] Figure 3a This is a schematic diagram of the structure of a probe assembly provided in Embodiment 2 of the present invention;

[0022] Figure 3b This is a schematic diagram of another probe assembly provided in Embodiment 2 of the present invention;

[0023] Figure 3c This is a schematic diagram of the structure of another probe assembly provided in Embodiment 2 of the present invention;

[0024] Figure 4a This is a schematic diagram of the structure of a locking assembly provided in Embodiment 2 of the present invention;

[0025] Figure 4b This is a schematic diagram of another locking component provided in Embodiment 2 of the present invention;

[0026] Figure 4c This is a schematic diagram of another locking component provided in Embodiment 2 of the present invention;

[0027] Figure 5 This is a schematic diagram of the structure of a security detection system provided in Embodiment 2 of the present invention. Detailed Implementation

[0028] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0029] It should be noted that the terms "first," "second," and "target," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of the invention described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0030] Example 1

[0031] Figure 1 This is a flowchart of a safety detection method provided in Embodiment 1 of the present invention. This embodiment is applicable to situations requiring real-time safety detection of pipeline environments. The method can be executed by a safety detection system. The safety detection system includes a processing terminal and multiple probe assemblies, wherein the processing terminal and each probe assembly are connected via a multi-core cable.

[0032] like Figure 1 As shown, the method includes:

[0033] S101. When a vibration event is detected in the pipeline, the target probe component in the probe assembly switches the current state from the detection state to the trigger state, generates a vibration message, and sends the vibration message to the processing terminal.

[0034] In this embodiment, the probe assembly can be understood as a terminal device used to monitor vibration within a pipeline environment, specifically a digital three-component vibration acceleration probe. The target probe assembly can be understood as the probe assembly triggered by detecting a vibration event within the pipeline. A vibration event can be understood as an event of abnormal vibration within the pipeline. The current state can be understood as the working state of the probe assembly, including detection state, trigger state, and waveform recording state. The detection state is the working state of real-time detection of vibration acceleration within the pipeline; the trigger state is a silent state awaiting instructions from the processing terminal; and the waveform recording state is the working state of recording waveforms in the pipeline based on instructions from the processing terminal. The vibration message can be understood as relevant information characterizing the vibration monitored by the target probe assembly, including at least vibration data, the probe number of the target probe assembly, and the trigger identifier and trigger time of the vibration event. The vibration data specifically characterizes the vibration situation, the probe number characterizes the vibration location, the trigger identifier characterizes a possible abnormal situation, and the trigger time characterizes the moment the vibration occurred. The processing terminal can be understood as a processing device connected to each probe assembly.

[0035] Specifically, each probe assembly operates on the pipeline, constantly monitoring the vibration acceleration data within the pipeline. If the vibration acceleration data collected by a certain probe assembly meets certain conditions, and a vibration event is determined to exist, then that probe assembly is designated as the target probe assembly. When a vibration event is detected within the pipeline, the current state of the target probe assembly is switched from the detection state to the trigger state, pausing further monitoring of the vibration event within the pipeline. Based on the collected vibration acceleration data, the probe number of the target probe assembly, and the trigger identifier and trigger time of the vibration event, a vibration message is generated and sent to the processing terminal via the data transmission bus in the multi-core cable.

[0036] S102. The processing terminal receives the vibration message sent by the target probe assembly and determines whether there is a valid vibration event based on the vibration message. If so, the corresponding vibration safety response measures are executed. The vibration safety response measures include at least sending a waveform broadcast to each probe assembly.

[0037] In this embodiment, a valid vibration event can be understood as a vibration event that confirms the existence of abnormal vibration within the pipeline. Vibration safety response measures can be understood as further safety measures taken based on valid vibration events, including at least sending a waveform recording broadcast to each probe assembly to instruct each probe assembly to enter a waveform recording state from its current state. Vibration safety response measures may also include generating alarm information and sending it to associated alarm devices to trigger audible and visual alarms; generating monitoring frequency adjustment information and sending it to associated monitoring devices to adjust the sampling frequency, where the monitoring frequency adjustment information can be understood as information used to instruct the monitoring devices to adjust the monitoring frequency, such as encrypted monitoring frequency indication. The monitoring devices may be, for example, strain tilt monitoring devices or other types of pipeline-related monitoring devices; generating emergency event report information and uploading it to a cloud server for remote monitoring by the cloud server. The emergency event report information can be understood as an alarm SMS message used to alert the cloud server of the existence of a valid vibration event within the pipeline, ensuring timely information transmission and remote monitoring via the cloud.

[0038] Specifically, after receiving vibration messages from the target probe assembly, the processing terminal determines whether a valid vibration event exists based on the number of received vibration messages and the content of each message. If no valid vibration event exists, a continue operation instruction is generated and sent to the target probe assembly to restore it from the triggered state to the detection state. If a valid vibration event exists, a waveform recording broadcast is sent to each associated probe assembly to instruct all probe assemblies to enter the waveform recording state and perform pipeline waveform recording. Furthermore, if a valid vibration event exists, alarm information can be generated and sent to associated alarm devices to trigger audible and visual alarms; monitoring frequency adjustment information can be generated and sent to associated monitoring devices to adjust the sampling frequency; and emergency event report information can be generated and uploaded to the cloud server for remote monitoring.

[0039] S103. Each probe component, in response to the waveform recording broadcast, switches the current state to waveform recording state, collects vibration waveform data, and uploads the vibration waveform data to the processing terminal.

[0040] In this embodiment, waveform recording broadcast can be understood as a broadcast message used to instruct the execution of waveform recording operations. Vibration waveform data can be understood as vibration waveform information collected by each probe assembly in the corresponding acquisition area within the pipe.

[0041] Specifically, if a valid vibration event exists, each probe component responds to the waveform recording broadcast sent by the processing terminal by switching its current state to waveform recording state (the target probe component switches from trigger state to waveform recording state, and other probe components in the system switch from detection state to waveform recording state). Each probe component performs pipeline waveform recording, collects the corresponding vibration waveform data, and stores the vibration waveform data in its local non-volatile memory. After the waveform recording is completed, the current state switches from waveform recording state to detection state, and the vibration waveform data stored in the local non-volatile memory is uploaded to the processing terminal.

[0042] This invention provides a safety detection method, comprising: when a vibration event is detected in a pipeline, the target probe component switches its current state from detection to triggering, generates a vibration report, and sends the vibration report to a processing terminal; the processing terminal receives the vibration report sent by the target probe component and determines whether a valid vibration event exists based on the vibration report; if so, it executes corresponding vibration safety response measures, which at least include sending a waveform recording broadcast to each probe component; each probe component, in response to the waveform recording broadcast, switches its current state to waveform recording, collects vibration waveform data, and uploads the vibration waveform data to the processing terminal. This technical solution has low deployment and operation costs, high identification accuracy, and can provide an effective technical means for rapid emergency response to environmental emergencies in overhead pipelines; it can autonomously complete real-time perception and accurate identification of environmental emergencies on-site, with low risk of missed or false alarms.

[0043] As a first optional embodiment of this method, the method further includes:

[0044] The processing terminal acquires the vibration waveform data transmitted by each probe component and summarizes them into a vibration waveform dataset, which is then uploaded to the cloud server.

[0045] In this embodiment, the vibration waveform dataset can be understood as a collection of vibration waveform data. The cloud server can be understood as an external communication device interconnected with the safety detection system.

[0046] Specifically, the processing terminal acquires the vibration waveform data fed back by each probe component through the data transmission bus, stores the received vibration waveform data in the local memory, and after receiving the vibration waveform data sent by all probe components, it summarizes these vibration waveform data to form a vibration waveform dataset, and uploads the vibration waveform dataset to the cloud server to provide data support for subsequent fault analysis, early warning and optimization.

[0047] As a second optional embodiment of this example, when a vibration event is detected, the current state is switched from the detection state to the triggering state, and a vibration message is generated, including:

[0048] S1011. In the detection state, acquire and store the vibration data in the pipeline. If the vibration data is greater than the vibration threshold, determine that a vibration event has occurred, switch the current state from the detection state to the trigger state, and suspend the monitoring of the vibration event.

[0049] In this embodiment, vibration data can be understood as data acquired by the target probe assembly, specifically vibration acceleration signal data in digital signal format. The vibration threshold can be understood as a pre-set value; once the vibration threshold is exceeded, it indicates that a vibration event has occurred at the probe assembly level.

[0050] Specifically, in the detection state, the target probe assembly continuously acquires vibration acceleration signals within the pipeline. The target probe assembly incorporates a vibration event triggering algorithm, such as a short-term average / long-term average algorithm. If the ratio of the short-term average (STA) to the long-term average (LTA) of the acquired vibration acceleration signal is greater than a set vibration threshold, the target probe assembly determines that a vibration event has occurred, switches the current state from detection to triggering, and pauses vibration event monitoring, ensuring that each probe assembly can independently and sensitively capture vibration events. It is understood that the vibration threshold is set at a relatively low value (below a certain threshold) to avoid missed detections; the specific value is set based on actual needs, and this embodiment does not impose any limitations on this.

[0051] Understandably, the probe assembly uses a first-in-first-out (FIFO) circular storage mechanism to store the acquired vibration acceleration signals in a circular buffer in real time, ensuring effective data management and fast access.

[0052] S1012. Based on vibration data, the probe number of the target probe component, and the trigger identifier and trigger time of the vibration event, generate a vibration message and transmit the vibration message to the processing terminal.

[0053] In this embodiment, the vibration acceleration data, probe number, vibration event trigger identifier and trigger time collected by the target probe assembly are packaged into a vibration message, and the vibration message is transmitted to the processing terminal through the data transmission bus in the multi-core cable.

[0054] S1013. If no feedback information is received from the processing terminal within the set time, switch the current state from the trigger state back to the detection state and re-execute the vibration event monitoring.

[0055] In this embodiment, the set time can be understood as the maximum duration for which the target probe component is in the triggered state. The feedback information can be understood as the information fed back by the processing terminal, including waveform recording broadcasts related to valid vibration events and continuation operation instructions related to invalid vibration events. The waveform recording broadcasts instruct all probe components to switch their current state to waveform recording state, and the continuation operation instructions instruct the target probe component to switch its current state back to detection state.

[0056] Specifically, if a waveform recording broadcast is received from the terminal device within the set time, the current state is switched from the trigger state to the waveform recording state, and the pipeline waveform recording operation is performed; if a continue operation instruction is received from the terminal device within the set time, the current state is switched from the trigger state back to the detection state, and the vibration event monitoring is resumed; if no feedback information is received from the processing terminal within the set time, the current state is switched from the trigger state back to the detection state when the set time arrives, and the vibration event monitoring is resumed.

[0057] As a third optional embodiment of this example, the existence of a valid vibration event is determined based on the vibration message. If so, corresponding vibration safety response measures are executed, including:

[0058] S1021. Based on the number of received vibration messages and the content of each vibration message, determine whether there is a valid vibration event.

[0059] In this embodiment, since there may be multiple target probe components within the pipeline, the terminal device will receive multiple vibration messages. The terminal device integrates a joint vibration event identification algorithm, which determines whether a valid vibration event exists based on the number of vibration messages, the vibration location corresponding to each message (determined by the probe number), and the vibration time (the trigger time of the vibration event). For example, if the number of vibration messages exceeds a certain threshold, and multiple consecutive vibration locations experience probe-side vibration events at the same or similar times, then a valid vibration event is determined to exist at the processing terminal. Otherwise, no valid vibration event is determined, a continue operation instruction is generated, and this instruction is fed back to each target probe component to instruct the probe component to switch its current state from the trigger state back to the detection state.

[0060] S1022. If so, implement the corresponding vibration safety response measures.

[0061] Specifically, if a valid vibration event occurs, a recording broadcast is sent to each probe assembly to instruct each probe assembly to perform pipeline recording operations; alarm information is generated and sent to the associated alarm devices to trigger audible and visual alarms; monitoring frequency adjustment information is generated and sent to the associated monitoring devices to adjust the sampling frequency; and emergency event report information is generated and uploaded to the cloud server for remote monitoring.

[0062] Example 2

[0063] Figure 2 This is a deployment diagram of a security detection system provided in Embodiment 2 of the present invention. Figure 2 Includes the front and side views of the pipes, such as Figure 2As shown, the safety detection system is deployed on the pipeline, which consists of a pipeline wall 1 and a pipeline support 7. The pipeline wall 1 has a pipeline detection area with multiple monitoring sections. The safety detection system includes multiple probe components 2, each of which is set on a corresponding monitoring section. The arrangement distance between adjacent probe components 2 is unlimited, forming a linearly distributed vibration acceleration observation array to observe the acceleration response of the pipeline in real time during sudden environmental events. The probe components 2 are fixed to the pipeline wall 1 by locking components 3 and steel strips 4 to achieve full coupling with the cross-section of the pipe wall. Every two adjacent probe components 2 are connected by a multi-core cable 5 with watertight connectors at both ends. Each probe component 2 is also connected to the processing terminal 6 by a multi-core cable 5 with watertight connectors at both ends. The processing terminal 6 is set on the pipeline support 7.

[0064] Figure 3a This is a schematic diagram of the structure of a probe assembly provided in Embodiment 2 of the present invention; Figure 3b This is a schematic diagram of another probe assembly provided in Embodiment 2 of the present invention; Figure 3c This is a schematic diagram of another probe assembly provided in Embodiment 2 of the present invention; as shown Figure 3a , Figure 3b and Figure 3cAs shown, the probe assembly 2 consists of a cover screw 21, a cover 22, a housing 23, a watertight connector 24, an adapter pad 25, a three-way micro-electro-mechanical systems (MEMS) accelerometer integrated circuit board 26, screws 27, and a guide groove 28. The stainless steel housing 23 and cover 22 are fixed together by the cover screw 21, forming a sealed cuboid chamber for encapsulating the three-way MEMS accelerometer integrated circuit board 26. The stainless steel material provides structural robustness and durability, protecting the internal electronic components in harsh outdoor environments. Watertight connectors 24 are located on both sides of the stainless steel housing 23 for connecting to a multi-core cable 5 with watertight connectors at both ends. The multi-core cable 5 uses four of its cores. Two cores are power supply cables used to power each level of the probe assembly 2; two cores are data transmission buses used for data transmission between each level of the probe assembly 2 and the processing terminal 6; the three-dimensional MEMS accelerometer integrated circuit board 26 is elongated and installed inside the stainless steel housing 23, sealed with epoxy resin for waterproofing, improving the durability and waterproof performance of the circuit board 26; the outer wall of the stainless steel housing 23 is provided with X / Y / Z three-component direction identification marks, which correspond to the X / Y / Z axes of the three-dimensional MEMS accelerometer integrated circuit board 26 respectively; the bottom of the stainless steel housing 23 is connected to the adapter pad 25 by screws 27, and the adapter pad 25 can be directly replaced according to different pipes; the adapter pad 25 is used to adapt to pipes of different diameters, and the arc-shaped surface under the pad corresponds to different pipe diameters, with applicable pipe diameter markings on it; the adapter pad 25 is provided with a guide groove 28, through which the steel strip 4 passes, and the probe assembly 2 is fixed to the pipe wall 1 by the locking assembly 3.

[0065] Figure 4a This is a schematic diagram of the structure of a locking assembly provided in Embodiment 2 of the present invention; Figure 4b This is a schematic diagram of another locking component provided in Embodiment 2 of the present invention; Figure 4c This is a schematic diagram of another locking assembly provided in Embodiment 2 of the present invention; as shown Figure 4a , Figure 4b and Figure 4cAs shown, the locking assembly 3 consists of an aluminum alloy base 31, a pawl shaft 32, a slot 33, a pawl 34, a ratchet 35, a ratchet shaft 36, and a winding groove 37. It works in conjunction with the steel band 4 to quickly install and fix the probe assembly 2. The ratchet 35 is welded to the ratchet shaft 36. The ratchet shaft 36 has an internal hexagonal hole at its end and a winding groove 37 in the middle. The steel band 4 is inserted into the winding groove 37, and a hexagonal wrench is used to rotate it counterclockwise, winding the steel band 4 onto the shaft and tightening it. The pawl 34 is welded to the pawl shaft 32 and can rotate around a hole on the aluminum alloy base 31. The pawl 34 engages with the teeth on the ratchet 35 to prevent the ratchet 35 from rotating in the opposite direction. The slot 33 is used to fix the other end of the steel band 4, which passes through from above and has its end pressed down.

[0066] Figure 5 This is a schematic diagram of the structure of a security detection system provided in Embodiment 2 of the present invention, as shown below. Figure 5 As shown, the security detection system includes a processing terminal 6 and multiple probe assemblies 2, and the processing terminal 6 and each probe assembly 2 are connected by a multi-core cable 5;

[0067] The probe component 2 is used to change to the target probe component when a vibration event is detected in the pipeline, switch the current state from the detection state to the trigger state, generate a vibration message, and send the vibration message to the processing terminal 6.

[0068] The processing terminal 6 is used to receive vibration messages sent by the target probe assembly and determine whether there is a valid vibration event based on the vibration messages. If so, it executes the corresponding vibration safety response measures. The vibration safety response measures include at least sending a recorded waveform broadcast to each probe assembly 2.

[0069] The probe assembly 2 is used to switch the current state to the recording state in response to the recording broadcast, collect vibration waveform data, and upload the vibration waveform data to the processing terminal 6.

[0070] In this embodiment, each probe assembly 2 operates on the pipeline, constantly monitoring the vibration acceleration data within the pipeline. If a probe assembly collects vibration acceleration data that meets certain conditions, determining that a vibration event exists, then that probe assembly is designated as the target probe assembly. When a vibration event is detected within the pipeline, the target probe assembly's current state is switched from the detection state to the trigger state, pausing further monitoring of the vibration event. Based on the collected vibration acceleration data, the target probe assembly's probe number, and the vibration event's trigger identifier and trigger time, a vibration message is generated and sent to the processing terminal 6 via the data transmission bus in the multi-core cable. After receiving the vibration message sent by the target probe assembly, the processing terminal 6 determines whether a valid vibration event exists based on the number of received vibration messages and the content of each message. If no valid vibration event exists, a continue operation instruction is generated and sent to the target probe assembly, causing the target probe assembly to return from the trigger state to the detection state. If a valid vibration event exists, a waveform recording broadcast is sent to each associated probe assembly 2 to instruct all probe assemblies 2 to enter the waveform recording state and execute pipeline waveform recording. If an alarm event exists, it can also generate alarm information and send it to the associated alarm device to trigger an audible and visual alarm; generate monitoring frequency adjustment information and send it to the associated monitoring device to adjust the sampling frequency; generate emergency event report information and upload it to the external communication device for remote monitoring. If a valid vibration event exists, each probe component 2 responds to the waveform recording broadcast sent by the processing terminal and switches its current state to waveform recording state (the target probe component switches from trigger state to waveform recording state, and other probe components in the system, excluding the target probe component, switch from detection state to waveform recording state). Each probe component 2 performs pipeline waveform recording, collects the corresponding vibration waveform data, stores the vibration waveform data in the local memory, and simultaneously uploads the vibration waveform data to the processing terminal 6.

[0071] Optionally, the probe assembly 2 has a three-way MEMS accelerometer integrated circuit board 26 that integrates a data acquisition module 261, a microcontroller 262, a first communication module 263, and a power supply module 264. The probe assembly 2 is connected to the multi-core cable 5 through the first communication module 263 and the power supply module 264, respectively. The microcontroller 262 is connected to the data acquisition module 261, the first communication module 263, and the power supply module 264, respectively.

[0072] The acquisition module 261 is used to acquire the vibration acceleration signal of the pipe cross section and send the vibration acceleration signal to the microcontroller 262;

[0073] The microcontroller 262 is used to acquire vibration acceleration signals, store the vibration acceleration signals in a circular buffer, and determine whether a vibration event exists based on the vibration acceleration signals. If so, it switches the current state from detection state to trigger state, generates a vibration message, and sends the vibration message to the processing terminal through the first communication module 263.

[0074] Power supply module 264 is used to power microcontroller 262.

[0075] In this embodiment, the microcontroller 262 is a microcontroller unit (MCU) and a storage module. The microcontroller 262 consists of an STM32 microcontroller, a memory, and its peripheral circuitry. It controls the acquisition module 261 and the first communication module 263 to autonomously complete the reception and response of commands from the host computer, the acquisition, triggering, recording, and uploading of the three-axis acceleration signals. The acquisition module 261 consists of an ultra-low noise density triaxial MEMS accelerometer and a pre-amplifier circuit. It acquires the vibration acceleration signal of the pipe cross-section, converts it into a digital quantity, and sends it to the microcontroller 262. The X / Y / Z axes of the triaxial MEMS accelerometer are set in a Cartesian coordinate system. The first communication module 263 is connected to the data transmission bus (2 cores) in the multi-core cable 5 to realize data interaction between the microcontroller 262 and the processing terminal 6. The power supply module 264 is connected to the power supply cable (2 cores) in the multi-core cable 5 to provide a wide voltage power supply for the microcontroller 262.

[0076] In this embodiment, after the probe assembly 2 is powered on by the power supply module 264, it enters the initial detection state by default. The vibration event triggering algorithm in the microcontroller 262 is then activated to continuously monitor vibration events. It can be understood that in the detection state, the probe assembly 2 does not send any trigger signals or vibration acceleration data to the processing terminal 6, and remains silent, waiting for vibration events to be triggered.

[0077] Optionally, the processing terminal 6 is composed of a processing terminal integrated circuit board 61 and its external packaging structure. The processing terminal integrated circuit board 61 includes a microprocessor 613, a data transmission module 611, and a power management module 612. The processing terminal is connected to the multi-core cable 5 through the data transmission module 611 and the power management module 612 respectively. The microprocessor 613 is connected to the data transmission module 611 and the power management module 612 respectively.

[0078] The microprocessor 613 is used to acquire the vibration message transmitted by the probe assembly 2 through the data transmission module 611, and determine whether there is a valid vibration event based on the vibration message. If so, it executes the corresponding vibration safety response measures.

[0079] The power management module 612 is used to supply power to each probe assembly 2.

[0080] In this embodiment, the microprocessor 613 consists of an STM32 microcontroller and its peripheral circuits, controlling the data transmission module 611 and the power management module 612. The data transmission module 611 is connected to one end of the data transmission bus (2-core) in a multi-core cable via a peripheral bus port, and interacts with the multi-level vibration probe array (multiple probe components 2) via the data transmission bus. The power management module 612 is connected to a power supply cable (2-core) via a peripheral port, and provides a wide voltage supply to the multi-level vibration probe array (multiple probe components 2) via the power supply cable.

[0081] In this embodiment, the vibration event joint identification algorithm in the microprocessor 613 continuously monitors vibration messages. Once a vibration message sent by the target probe component is received, the identification algorithm is immediately activated to identify valid vibration events.

[0082] Furthermore, the processing terminal integrated circuit board 61 in the processing terminal 6 also includes a control panel 614, a second communication module 616, and a memory 615. The processing terminal is connected to an external communication device through the second communication module 616. The external communication device includes at least a cloud server. The control panel 614, the second communication module 616, and the memory 615 are all connected to the microprocessor 613.

[0083] Control panel 614 is used to indicate the working status of the processing terminal;

[0084] The memory 615 is used to store the vibration waveform data fed back by each probe assembly 2;

[0085] The second communication module 616 is used to transmit emergency report information and vibration waveform data composed of various vibration waveform data to an external communication device.

[0086] In this embodiment, the microprocessor 613 controls the second communication module 616 to receive and remotely transmit data, and controls the memory 615 to store acceleration data; it controls the control panel 614 to indicate the working status of the processing terminal 6 and drive the vibration probe array to synchronously acquire data. The control panel 614 is equipped with an LCD screen, a power switch, a working indicator light, a transmission indicator light, a serial communication interface (e.g., RS232), a Universal Serial Bus (USB) interface, and an Ethernet interface. The memory 615 is a high-capacity solid-state drive or a surface-mounted secure digital card (SD card) used to store the vibration acceleration data uploaded by the multi-level vibration probe array. The second communication module connects to external communication devices such as a far-field wireless communication module (e.g., a fourth-generation (4G) or fifth-generation (5G) module) or a 100Mbps / 1Gbps Ethernet wired communication module via an external port, transmitting vibration acceleration data to the server through these external communication devices. These external communication devices can also be cloud servers.

[0087] This invention proposes an automatic safety detection system for identifying environmental emergencies in overhead pipelines. The system comprises several levels of digital three-component vibration acceleration probe assemblies, locking components, steel belts, multi-core cables, and a processing terminal. The probe assemblies are rapidly deployed at various monitoring sections within the pipeline monitoring area via the locking components, forming a linearly distributed vibration acceleration observation array. Each level of vibration probe incorporates a vibration event triggering algorithm to sensitively capture abnormal vibration signals. The processing terminal integrates a multi-vibration event joint identification algorithm, enabling distributed fusion and collaborative operation between the multi-level probes and the processing terminal. This innovative integrated array-type vibration acceleration probe assembly and distributed multi-source monitoring data fusion identification technology not only allows for rapid deployment and efficient operation at overhead pipeline sites but also enables real-time, accurate identification of environmental emergencies on-site. Compared to existing technologies, this invention combines next-generation small-size, low-cost, low-power, and high-precision MEMS sensor technology with distributed multi-source data fusion technology to develop a safety detection system and method specifically for automatic sensing and identification of environmental emergencies in overhead pipelines. It offers numerous advantages: From single-point to array: Existing oil and gas pipeline accidental load detection often uses a single vibration sensor arrangement, resulting in scarce monitoring data and low identification accuracy. This invention, however, uses an array arrangement of vibration acceleration probe components (e.g., one probe component every 3 meters), effectively solving the problems of scarce observation data and insufficient observation capabilities. From branched to bus: Existing oil and gas pipeline accidental load detection uses a branched system, where each sensor is independently connected to a cable, leading to high observation costs and cumbersome installation processes. In contrast, this invention adopts a bus design, where all vibration acceleration probe components within the same monitoring point share a single multi-core cable—two cores for power supply and two cores for data transmission—effectively reducing observation costs and simplifying installation processes. From centralized to distributed: Traditional environmental emergency monitoring systems require monitoring data... To transmit data uniformly to a central server for centralized identification of emergencies, the aforementioned centralized data processing model places high demands on transmission bandwidth, server computing and storage capabilities, and concurrent processing software. This is not conducive to the rapid deployment and application of vibration acceleration sensor arrays and wastes a significant amount of communication and storage resources (emergency events are sporadic, but the central server needs to receive, process, and store observation data 24 hours a day). In contrast, this invention employs a distributed fusion and collaborative working method between multi-level probe components and processing terminals. Each level of digital three-component vibration acceleration probe independently captures abnormal vibration events using a built-in vibration event triggering algorithm. The processing terminal uses a multi-vibration event joint identification algorithm to accurately identify environmental emergencies on-site in real time. This achieves forward-looking and intelligent data processing, eliminating the need for vibration acceleration probe components to upload invalid data when silent, and eliminating the need for the processing terminal to report to the central server when there are no anomalies. This significantly reduces hardware and software requirements, optimizes resource utilization, and provides strong technical support and assurance for real-time on-site response to environmental emergencies.

[0088] It should be understood that the various forms of processes shown above can be used, with steps reordered, added, or deleted. For example, the steps described in this invention can be executed in parallel, sequentially, or in different orders, as long as the desired result of the technical solution of this invention can be achieved, and this is not limited herein.

[0089] The specific embodiments described above do not constitute a limitation on the scope of protection of this invention. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this invention should be included within the scope of protection of this invention.

Claims

1. A security detection method characterized by, The application is applied to a safety detection system, the safety detection system comprises a processing terminal and a plurality of probe assemblies, the processing terminal and each of the probe assemblies are connected through a multi-core cable, and the method comprises: When a pipeline vibration event trigger is detected, a target probe assembly in the probe assemblies switches a current state from a detection state to a trigger state, generates a vibration message, and sends the vibration message to the processing terminal, wherein the trigger state is a silent state waiting for an indication of the processing terminal; The processing terminal receives the vibration message sent by the target probe assembly, determines whether there is a valid vibration event based on the vibration message, and if so, executes a corresponding vibration safety response measure, which at least comprises sending a recording wave broadcast to each of the probe assemblies; Each of the probe assemblies switches a current state to a recording wave state in response to the recording wave broadcast, collects vibration waveform data, and uploads the vibration waveform data to the processing terminal; The method further comprises: In the detection state, acquiring and storing pipeline vibration data, if the vibration data is greater than a vibration threshold, determining that a vibration event occurs, switching the current state from the detection state to the trigger state, and pausing the monitoring of the vibration event; Based on the vibration data, the probe number of the target probe assembly, and the trigger identifier and trigger time of the vibration event, generating a vibration message, and transmitting the vibration message to the processing terminal; If no feedback information from the processing terminal is received within a set time, switching the current state from the trigger state back to the detection state, and re-executing the monitoring of the vibration event; The method further comprises: Based on the number of received vibration messages and the content of each of the vibration messages, determining whether there is a valid vibration event; If so, executing a corresponding vibration safety response measure; The vibration safety response measure further comprises: Generating alarm information and sending the alarm information to an associated alarm device to make the alarm device sound and light alarm; Generating monitoring frequency adjustment information and sending the monitoring frequency adjustment information to an associated monitoring device to make the monitoring device adjust the sampling frequency; Generating a burst event report information and uploading the burst event report information to a cloud server to make the cloud server remotely monitor.

2. The method of claim 1, wherein, The method further comprises: The processing terminal acquires vibration waveform data transmitted by each of the probe assemblies and aggregates the vibration waveform data to form a vibration waveform data set, and uploads the vibration waveform data set to a cloud server.

3. A security detection system characterized by, The system is used to execute the method in any one of claims 1-2, and comprises a processing terminal and a plurality of probe assemblies, the processing terminal and each of the probe assemblies are connected through a multi-core cable; The probe assembly is configured to, when a pipeline internal vibration event trigger is detected, change to a target probe assembly, switch a current state from a detection state to a trigger state, generate a vibration message, and send the vibration message to the processing terminal; The processing terminal is configured to receive the vibration message sent by the target probe assembly, determine whether there is a valid vibration event based on the vibration message, and if so, execute a corresponding vibration safety response measure, which at least includes sending a recording wave broadcast to each probe assembly; The probe assembly is configured to, in response to the recording wave broadcast, switch a current state to a recording wave state, collect vibration waveform data, and upload the vibration waveform data to the processing terminal.

4. The system of claim 3, wherein, The probe assembly includes an acquisition module, a microcontroller, a first communication module, and a power supply module. The probe assembly is connected to the multi-core cable through the first communication module and the power supply module, respectively. The microcontroller is connected to the acquisition module, the first communication module, and the power supply module, respectively. The acquisition module is configured to collect vibration acceleration signals of a pipeline cross section and send the vibration acceleration signals to the microcontroller. The microcontroller is configured to obtain the vibration acceleration signals, store the vibration acceleration signals in a ring buffer, and determine whether there is a vibration event based on the vibration acceleration signals. If so, switch a current state from a detection state to a trigger state, generate a vibration message, and send the vibration message to the processing terminal through the first communication module. The power supply module is configured to supply power to the microcontroller.

5. The system of claim 3, wherein, The processing terminal includes a microprocessor, a data transmission module, and a power supply management module. The processing terminal is connected to the multi-core cable through the data transmission module and the power supply management module, respectively. The microprocessor is connected to the data transmission module and the power supply management module, respectively. The microprocessor is configured to obtain the vibration message transmitted by the probe assembly through the data transmission module, and determine whether there is a valid vibration event based on the vibration message. If so, execute a corresponding vibration safety response measure. The power supply management module is configured to supply power to each probe assembly.

6. The system of claim 5, wherein, The processing terminal further includes a control panel, a second communication module, and a memory. The processing terminal is connected to an external communication device through the second communication module. The external communication device at least includes a cloud server. The control panel, the second communication module, and the memory are connected to the microprocessor. The control panel is configured to indicate the working state of the processing terminal. The memory is configured to store vibration waveform data fed back by each probe assembly. The second communication module is configured to transmit burst event report information and vibration waveform data composed of each vibration waveform data to the external communication device.

7. The system of claim 3, wherein, Each probe assembly is fixed on a pipeline through a locking assembly and a steel belt.

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