CN114544068B - Pipeline monitoring method and system based on electronic unit - Google Patents
Pipeline monitoring method and system based on electronic unit Download PDFInfo
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- CN114544068B CN114544068B CN202210171456.9A CN202210171456A CN114544068B CN 114544068 B CN114544068 B CN 114544068B CN 202210171456 A CN202210171456 A CN 202210171456A CN 114544068 B CN114544068 B CN 114544068B
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Abstract
The invention discloses a pipeline monitoring method and system based on an electronic unit, and relates to the field of pipeline monitoring, wherein the method comprises the following steps: monitoring the internal pressure and the pressure drop rate of the first natural gas pipeline in real time to obtain a real-time internal pressure data set and a real-time pressure drop rate data set; acquiring a first pressure early warning threshold; acquiring a first pressure drop rate early warning threshold; the first pressure early warning threshold value and the first pressure drop rate early warning threshold value are sent to the central controller, and a first real-time internal pressure and a first real-time pressure drop rate are obtained; constructing a preset system counting mode; obtaining a second real-time pressure drop rate; analyzing the first real-time internal pressure and the second real-time pressure drop rate to obtain a first driving instruction; and driving the protection executing mechanism to protect the first natural gas pipeline. The technical problem of the poor safety monitoring effect to the pipeline among the prior art is solved.
Description
Technical Field
The invention relates to the field of pipeline monitoring, in particular to a pipeline monitoring method and system based on an electronic unit.
Background
With the rapid development of science and technology, various types of pipelines are widely applied to the production and life of people, and play a great role. The conventional monitoring means of the pipeline consume too much manpower in daily life; the special position has a certain danger, and the limitations such as monitoring dead angles are easy to exist. In recent years, unsafe accidents of pipelines frequently happen, normal social production and life are seriously disturbed, the safety of people is threatened, and huge economic loss is caused. The research design of the monitoring method for optimizing the pipeline has important practical significance.
In the prior art, the technical problem of poor safety monitoring effect on pipelines exists.
Disclosure of Invention
The application provides a pipeline monitoring method and system based on an electronic unit, which solve the technical problem of poor safety monitoring effect on pipelines in the prior art.
In view of the above, the present application provides a method and a system for monitoring a pipeline based on an electronic unit.
In one aspect, the present application provides an electronic unit-based pipeline monitoring method, wherein the method is applied to an electronic unit-based pipeline monitoring system, the system including a central controller, a pressure acquisition and transmission device, and a protection actuator, the method comprising: the pressure acquisition and transmission device is used for monitoring the internal pressure and the pressure drop rate of the first natural gas pipeline in real time to obtain a real-time internal pressure data set and a real-time pressure drop rate data set; analyzing the real-time internal pressure data set to obtain a first pressure early warning threshold; analyzing the real-time pressure drop rate data set to obtain a first pressure drop rate early warning threshold; the first pressure early warning threshold and the first pressure drop rate early warning threshold are sent to the central controller, and the central controller filters the real-time internal pressure and the real-time pressure drop rate through the first pressure early warning threshold and the first pressure drop rate early warning threshold to obtain a first real-time internal pressure and a first real-time pressure drop rate; constructing a preset system counting mode; converting the first real-time pressure drop rate according to the preset system counting mode to obtain a second real-time pressure drop rate; analyzing the first real-time internal pressure and the second real-time pressure drop rate to obtain a first driving instruction; and driving the protection executing mechanism to protect the first natural gas pipeline according to the first driving instruction.
In another aspect, the present application further provides an electronic unit-based pipeline monitoring system, wherein the system includes a central controller, a pressure acquisition and transmission device, and a protection actuator, the system further includes: the first obtaining unit is used for monitoring the internal pressure and the pressure drop rate of the first natural gas pipeline in real time through the pressure acquisition and transmission device to obtain a real-time internal pressure data set and a real-time pressure drop rate data set; the second obtaining unit is used for analyzing the real-time internal pressure data set to obtain a first pressure early warning threshold value; the third obtaining unit is used for analyzing the real-time pressure drop rate data set to obtain a first pressure drop rate early warning threshold; the fourth obtaining unit is used for sending the first pressure early warning threshold value and the first pressure drop rate early warning threshold value to the central controller, and the central controller filters the real-time internal pressure and the real-time pressure drop rate through the first pressure early warning threshold value and the first pressure drop rate early warning threshold value to obtain a first real-time internal pressure and a first real-time pressure drop rate; the first execution unit is used for constructing a preset system counting mode; a fifth obtaining unit, configured to convert the first real-time pressure drop rate according to the predetermined binary count mode, to obtain a second real-time pressure drop rate; a sixth obtaining unit for analyzing the first real-time internal pressure and the second real-time pressure drop rate to obtain a first driving instruction; and the second execution unit is used for driving the protection execution mechanism to protect the first natural gas pipeline according to the first driving instruction.
In a third aspect, the present application provides an electronic unit based pipeline monitoring system comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the method of the first aspect described above when the processor executes the program.
In a fourth aspect, the present application provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of any of the first aspects described above.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
acquiring a real-time internal pressure data set and a real-time pressure drop rate data set by using a pressure acquisition and transmission device; acquiring a first pressure early warning threshold; acquiring a first pressure drop rate early warning threshold; the first pressure early warning threshold and the first pressure drop rate early warning threshold are sent to the central controller, and the central controller filters the real-time internal pressure and the real-time pressure drop rate through the first pressure early warning threshold and the first pressure drop rate early warning threshold to obtain a first real-time internal pressure and a first real-time pressure drop rate; constructing a preset system counting mode; converting the first real-time pressure drop rate according to the first real-time pressure drop rate to obtain a second real-time pressure drop rate; analyzing the first real-time internal pressure and the second real-time pressure drop rate to obtain a first driving instruction; and driving the protection executing mechanism to protect the first natural gas pipeline. The method for optimizing the pipeline monitoring is designed; the pertinence and the accuracy of the pipeline safety monitoring are enhanced; furthermore, the effect of safety monitoring of the pipeline is effectively improved; providing a strong guarantee for the safe and stable operation of the pipeline; the occurrence of accidents is reduced; meanwhile, the cost of pipeline safety monitoring is reduced; the technical effect of laying a foundation for the subsequent management and maintenance of pipelines is provided.
The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.
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For a clearer description of the technical solutions of the present application or of the prior art, the drawings used in the description of the embodiments or of the prior art will be briefly described below, it being obvious that the drawings in the description below are only exemplary and that other drawings can be obtained, without inventive effort, by a person skilled in the art from the drawings provided.
FIG. 1 is a flow chart of a pipeline monitoring method based on an electronic unit according to the present application;
FIG. 2 is a schematic flow chart of analyzing the real-time internal pressure data set to obtain a first pressure early warning threshold in the pipeline monitoring method based on the electronic unit;
FIG. 3 is a schematic diagram of a pipeline monitoring system based on an electronic unit according to the present application;
fig. 4 is a schematic structural diagram of an exemplary electronic device of the present application.
Reference numerals illustrate: the device comprises a first obtaining unit 11, a second obtaining unit 12, a third obtaining unit 13, a fourth obtaining unit 14, a first executing unit 15, a fifth obtaining unit 16, a sixth obtaining unit 17, a second executing unit 18, an electronic device 300, a memory 301, a processor 302, a communication interface 303, and a bus architecture 304.
Detailed Description
The application provides the pipeline monitoring method and the system based on the electronic unit, so that the technical problem of poor safety monitoring effect on the pipeline in the prior art is solved. The method for optimizing the pipeline monitoring is designed; the pertinence and the accuracy of the pipeline safety monitoring are enhanced; furthermore, the effect of safety monitoring of the pipeline is effectively improved; providing a strong guarantee for the safe and stable operation of the pipeline; the occurrence of accidents is reduced; meanwhile, the cost of pipeline safety monitoring is reduced; the technical effect of laying a foundation for the subsequent management and maintenance of pipelines is provided.
Hereinafter, example embodiments according to the present application will be described in detail with reference to the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application and not all of the embodiments of the present application, and it should be understood that the present application is not limited by the example embodiments described herein.
The data acquisition, storage, use, processing and the like in the technical scheme meet the relevant regulations of national laws and regulations.
With the rapid development of science and technology, various types of pipelines are widely applied to the production and life of people, and play a great role. The conventional monitoring means of the pipeline consume too much manpower in daily life; the special position has a certain danger, and the limitations such as monitoring dead angles are easy to exist. In recent years, unsafe accidents of pipelines frequently happen, normal social production and life are seriously disturbed, the safety of people is threatened, and huge economic loss is caused. The research design of the monitoring method for optimizing the pipeline has important practical significance.
Aiming at the technical problems, the technical scheme provided by the application has the following overall thought:
the application provides a pipeline monitoring method based on an electronic unit, wherein the method is applied to a pipeline monitoring system based on the electronic unit, and the method comprises the following steps of: acquiring a real-time internal pressure data set and a real-time pressure drop rate data set by using a pressure acquisition and transmission device; acquiring a first pressure early warning threshold; acquiring a first pressure drop rate early warning threshold; the first pressure early warning threshold and the first pressure drop rate early warning threshold are sent to the central controller, and the central controller filters the real-time internal pressure and the real-time pressure drop rate through the first pressure early warning threshold and the first pressure drop rate early warning threshold to obtain a first real-time internal pressure and a first real-time pressure drop rate; constructing a preset system counting mode; converting the first real-time pressure drop rate according to the first real-time pressure drop rate to obtain a second real-time pressure drop rate; analyzing the first real-time internal pressure and the second real-time pressure drop rate to obtain a first driving instruction; and driving the protection executing mechanism to protect the first natural gas pipeline.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1, the present application provides a pipeline monitoring method based on an electronic unit, wherein the method is applied to a pipeline monitoring system based on an electronic unit, the system includes a central controller, a pressure acquisition and transmission device and a protection executing mechanism, and the method specifically includes the following steps:
step S100: the pressure acquisition and transmission device is used for monitoring the internal pressure and the pressure drop rate of the first natural gas pipeline in real time to obtain a real-time internal pressure data set and a real-time pressure drop rate data set;
specifically, the pressure acquisition and transmission device is included in the pipeline monitoring system based on the electronic unit. The pressure acquisition and transmission device can be any type of device or combination of the devices in the prior art, which can acquire related data information of internal pressure and pressure drop rate of a natural gas pipeline. The pressure acquisition and transmission device can monitor the internal pressure and the pressure drop rate of the first natural gas pipeline in real time, so that a real-time internal pressure data set and a real-time pressure drop rate data set are obtained. The first natural gas pipeline refers to any natural gas pipeline which is safely monitored by using the pipeline monitoring system based on the electronic unit. The real-time internal pressure data set includes real-time monitoring data information of the internal pressure of the first natural gas line. The real-time pressure drop rate data set includes real-time monitoring data information of the pressure drop rate of the first natural gas line. The method achieves the technical effects of defining the internal pressure and the pressure drop rate of the natural gas pipeline and providing data support for obtaining accurate pressure early warning threshold values and pressure drop rate early warning threshold values later.
Step S200: analyzing the real-time internal pressure data set to obtain a first pressure early warning threshold;
further, as shown in fig. 2, step S200 of the present application further includes:
step S210: obtaining a first real-time internal pressure change curve according to the real-time internal pressure data set;
step S220: obtaining an environmental characteristic of the first natural gas line, wherein the environmental characteristic comprises an ambient temperature, an ambient air pressure;
step S230: drawing a curve according to the environmental characteristics and a time axis to obtain a first real-time environmental characteristic change curve, wherein the first real-time environmental characteristic change curve is the same as the first real-time internal pressure change curve in time period;
step S240: performing curve fitting on the first real-time internal pressure change curve and the first real-time environment characteristic change curve to obtain a comprehensive internal pressure change curve;
step S250: and obtaining the first pressure early warning threshold according to the comprehensive internal pressure change curve.
Specifically, the pipeline monitoring system based on the electronic unit is utilized to conduct intelligent analysis processing on the obtained real-time internal pressure data set, and a first real-time internal pressure change curve is calculated; the pipeline monitoring system based on the electronic unit obtains the environmental characteristics of the first natural gas pipeline through big data acquisition and other modes, and draws a curve of the first natural gas pipeline according to a time axis to obtain a first real-time environmental characteristic change curve; further, for the first real-time internal pressure change curve and the first real-time environmental characteristic change curve, performing curve fitting by using a least square method or an interpolation method and other fitting methods, and eliminating errors caused by environmental factors to obtain a comprehensive internal pressure change curve; and further obtaining the first pressure early warning threshold value. Wherein the first real-time internal pressure profile is any profile that characterizes the change in internal pressure of the natural gas line over time. The environmental characteristics of the first natural gas line include characteristics of ambient temperature, ambient pressure, and the like. The first real-time environmental characteristic change curve is the same as the time period of the first real-time internal pressure change curve. The first pressure early warning threshold is any pressure early warning threshold determined after the integrated internal pressure change curve is intelligently processed by the pipeline monitoring system based on the electronic unit. The method achieves the technical effects of obtaining a more accurate pressure early warning threshold value and further improving the accuracy and reliability of safety monitoring of the natural gas pipeline.
Further, step S210 of the present application further includes:
step S211: denoising the real-time internal pressure data set to obtain a first real-time internal pressure data set;
step S212: and drawing the data in the first real-time internal pressure data set according to a time axis to obtain a first real-time internal pressure change curve.
Specifically, the real-time internal pressure data set obtained by the pressure acquisition and transmission device is easily influenced by environmental conditions, the quality and performance of the pressure acquisition and transmission device, human factors and other aspects, and further noise pollution of different degrees is generated. The method comprises the steps of denoising the real-time internal pressure data set by adopting standard deviation denoising, box division denoising, isolated forest and the like, so that the noise can be timely processed, noise pollution is effectively reduced, and the influence on the subsequent processing process is prevented. Further, a first real-time internal pressure change curve is obtained by plotting the data in the first real-time internal pressure data set according to a time axis. The method has the advantages that the real-time internal pressure data set is subjected to denoising treatment, noise interference is eliminated, an accurate first real-time internal pressure data set is obtained, and further the technical effects of accuracy and reliability of a drawn first real-time internal pressure change curve are effectively improved.
Further, step S250 of the present application further includes:
step S251: acquiring pressure identification sensitivity information and information transmission speed information of the pressure acquisition and transmission device;
step S252: and adjusting the first pressure early warning threshold according to the pressure identification sensitivity information and the information transmission speed information to obtain a second pressure early warning threshold.
Specifically, the obtained first pressure early warning threshold value is easily interfered by the sensitivity, the information transmission speed and other factors of the pressure acquisition and transmission device. The pipeline monitoring system based on the electronic unit is used for acquiring pressure identification sensitivity information and information transmission speed information of the pressure acquisition and transmission device in a big data acquisition mode and the like; and adjusting the first pressure early warning threshold according to the first pressure early warning threshold to obtain a second pressure early warning threshold. The pressure identification sensitivity information is data information representing the sensitivity performance of the pressure acquisition and transmission device for pressure. The information transmission speed information is data information representing the speed of the pressure information transmission of the pressure acquisition and transmission device. The technical effects of adjusting the first pressure early warning threshold by utilizing the pressure identification sensitivity information and the information transmission speed information of the pressure acquisition and transmission device and improving the accuracy and the reliability of the pressure early warning threshold are achieved.
Step S300: analyzing the real-time pressure drop rate data set to obtain a first pressure drop rate early warning threshold;
specifically, the pipeline monitoring system based on the electronic unit scientifically analyzes the real-time pressure drop rate data set, intelligently analyzes the relationship between the pressure rise and fall law and the influencing factors such as temperature, humidity, density, altitude and the like, and further obtains a first pressure drop rate early warning threshold value. The first pressure drop rate early warning threshold is any threshold for early warning the pressure drop rate of the natural gas pipeline. The method achieves the technical effects of obtaining the early warning threshold value of the first pressure drop rate, filtering the early warning threshold value through the central controller, and laying a foundation for obtaining the real-time pressure drop rate.
Step S400: the first pressure early warning threshold and the first pressure drop rate early warning threshold are sent to the central controller, and the central controller filters the real-time internal pressure and the real-time pressure drop rate through the first pressure early warning threshold and the first pressure drop rate early warning threshold to obtain a first real-time internal pressure and a first real-time pressure drop rate;
specifically, after the first pressure early warning threshold value and the first pressure drop rate early warning threshold value are obtained, the first pressure early warning threshold value and the first pressure drop rate early warning threshold value are sent to the central controller and are used as reference standards; and filtering the real-time internal pressure and the real-time pressure drop rate of the natural gas pipeline by the central controller, and removing the data which do not accord with the first pressure early warning threshold value and the first pressure drop rate early warning threshold value by utilizing the filtering, so as to obtain the first real-time internal pressure and the first real-time pressure drop rate. The central controller is included in the pipeline monitoring system based on the electronic unit, and has the functions of intelligent filtering, checking and the like on the input data information. The technical effect of filtering the real-time internal pressure and the real-time pressure drop rate through the central controller and removing the data information which does not accord with the pressure early warning threshold and the pressure drop rate early warning threshold is achieved.
Further, step S400 of the present application further includes:
step S410: the central controller filters the real-time internal pressure through the first pressure early warning threshold value to obtain second real-time internal pressure, wherein the second real-time internal pressure is filtered data;
step S420: obtaining a second driving instruction according to the second real-time internal pressure;
step S430: driving the protection executing mechanism to protect the first natural gas pipeline according to the second driving instruction;
step S440: the central controller filters the real-time internal pressure drop rate through the first pressure drop rate early warning threshold value to obtain a second real-time internal pressure drop rate, wherein the second real-time internal pressure drop rate is filtered data;
step S450: obtaining a third drive command based on the second real-time internal pressure drop rate;
step S460: and driving the protection executing mechanism to protect the first natural gas pipeline according to the third driving instruction.
Specifically, the first pressure early warning threshold is used as a reference standard, and the central controller is used for filtering the real-time internal pressure to obtain a second real-time internal pressure; and according to the second driving instruction, driving the protection executing mechanism to protect the first natural gas pipeline. The second real-time internal pressure is filtered data, namely, data which does not accord with the first pressure early warning threshold value in the real-time internal pressure data. The second driving instruction is an instruction for driving the protection executing mechanism to protect the first natural gas pipeline after the second real-time internal pressure is comprehensively analyzed by the pipeline monitoring system based on the electronic unit. The protection executing mechanism is contained in the pipeline monitoring system based on the electronic unit and has the functions of automatically and intelligently protecting the natural gas pipeline and the like. And further, taking the first pressure drop rate early warning threshold value as a reference standard, utilizing the central controller to filter the real-time internal pressure drop rate to obtain a second real-time internal pressure drop rate, and driving the protection executing mechanism to protect the first natural gas pipeline according to a third driving instruction obtained by the second real-time internal pressure drop rate. The second real-time internal pressure drop rate is filtered data, namely data which does not accord with the early warning threshold value of the first pressure drop rate in the real-time internal pressure drop rate data. The third driving instruction is an instruction for driving the protection executing mechanism to protect the first natural gas pipeline after the second real-time internal pressure drop rate is comprehensively analyzed by the pipeline monitoring system based on the electronic unit. The method has the advantages that the driving instruction is sent out from the data which do not accord with the pressure early warning threshold value and the pressure drop rate early warning threshold value in the real-time internal pressure and the real-time internal pressure drop rate data, and the protection executing mechanism is driven to protect the natural gas pipeline; thereby effectively improving the technical effect of the safety of the natural gas pipeline.
Step S500: constructing a preset system counting mode;
further, step S500 of the present application further includes:
step S510: obtaining influence parameter information of the first natural gas pipeline;
step S520: performing correlation analysis on the influence parameter information of the first natural gas pipeline and the real-time pressure drop rate data set, and constructing a relation model of pressure drop and influence factors;
further, step S520 of the present application includes:
wherein r is xy Is the correlation coefficient; s is S xy Covariance between the influence parameter information and each real-time pressure drop rate in the real-time pressure drop rate dataset; s is S x Standard deviation of the influence parameter information; s is S y Standard deviation of each real-time pressure drop rate in the real-time pressure drop rate dataset.
Step S530: obtaining a correlation coefficient of the pressure drop and the influence factor according to a relation model of the pressure drop and the influence factor;
step S540: and constructing the preset system counting mode according to the correlation coefficient of the pressure drop and the influence factors.
In particular, by means of the electronic unit based pipeline monitoring system, the influencing parameter information of the first natural gas pipeline is collected; using the formula:
performing relevance analysis on the influence parameter information X of the first natural gas pipeline and each real-time pressure drop rate Y in the real-time pressure drop rate data set, and constructing a relation model of pressure drop and influence factors; and obtaining a correlation coefficient r of the pressure drop and the influence factor through the correlation coefficient xy And further constructing the preset system counting mode. The influence parameter information of the first natural gas pipeline comprises parameter information such as temperature, pressure, drying condition and the like which influence the first natural gas pipeline. The relation model of the pressure drop and the influence factors is an intelligent model for carrying out relevance analysis on the relation, the degree of relevance, the direction of relevance and the like between the influence parameter information of the first natural gas pipeline and the real-time pressure drop rate data set. The correlation coefficient of the pressure drop and the influence factor is a statistical index for measuring the correlation strength between the pressure drop and the influence factor. The predetermined system counting mode comprises binary system, quaternary system, octal system, decimal system, hexadecimal system and the likeType of carry counter system. The correlation coefficient has a corresponding relation with the predetermined system counting mode. For example, if the correlation coefficient is 8, the predetermined binary count mode is an octal count mode. And if the correlation coefficient is 16, the predetermined counting mode is a hexadecimal counting mode. The method achieves the technical effect of constructing an accurate preset system counting mode by utilizing a relation model of pressure drop and influence factors to obtain the correlation coefficient of the pressure drop and the influence factors with higher accuracy.
Step S600: converting the first real-time pressure drop rate according to the preset system counting mode to obtain a second real-time pressure drop rate;
step S700: analyzing the first real-time internal pressure and the second real-time pressure drop rate to obtain a first driving instruction;
step S800: and driving the protection executing mechanism to protect the first natural gas pipeline according to the first driving instruction.
Specifically, converting the obtained first real-time pressure drop rate by using the preset system counting mode to obtain a second real-time pressure drop rate; the pipeline monitoring system based on the electronic unit performs intelligent analysis on the first real-time internal pressure and the second real-time pressure drop rate, obtains a first driving instruction after processing, and protects a first natural gas pipeline according to the first driving instruction by driving the protection executing mechanism. Wherein the second real-time pressure drop rate may characterize a correlation between the pressure drop and the influencing factor. For example, the first real-time pressure drop rate is 500, a correlation coefficient between the pressure drop and the influencing factor is 2, the predetermined binary counting mode is a binary counting mode, and the second real-time pressure drop rate obtained after the conversion of the first real-time pressure drop rate by using the binary counting mode is 111110100. The first real-time pressure drop rate is 1000, the correlation coefficient between the pressure drop and the influence factor is 4, the preset system counting mode is a quaternary system counting mode, and the second real-time pressure drop rate obtained after the conversion of the first real-time pressure drop rate is 33220. Converting the first real-time pressure drop rate by using the constructed preset system counting mode, so that the analysis processing process of the pipeline monitoring system based on the electronic unit on the real-time pressure drop rate data can be simplified, and the working efficiency is improved; meanwhile, a second real-time pressure drop rate with higher accuracy and reliability is obtained, and the quality of pipeline safety monitoring is further improved. The method for optimizing the pipeline monitoring is designed; the pertinence and the accuracy of the pipeline safety monitoring are enhanced; furthermore, the effect of safety monitoring of the pipeline is effectively improved; providing a strong guarantee for the safe and stable operation of the pipeline; the occurrence of accidents is reduced; meanwhile, the cost of pipeline safety monitoring is reduced; the technical effect of laying a foundation for the subsequent management and maintenance of pipelines is provided.
In summary, the pipeline monitoring method based on the electronic unit provided by the application has the following technical effects:
1. acquiring a real-time internal pressure data set and a real-time pressure drop rate data set by using a pressure acquisition and transmission device; acquiring a first pressure early warning threshold; acquiring a first pressure drop rate early warning threshold; the first pressure early warning threshold and the first pressure drop rate early warning threshold are sent to the central controller, and the central controller filters the real-time internal pressure and the real-time pressure drop rate through the first pressure early warning threshold and the first pressure drop rate early warning threshold to obtain a first real-time internal pressure and a first real-time pressure drop rate; constructing a preset system counting mode; converting the first real-time pressure drop rate according to the first real-time pressure drop rate to obtain a second real-time pressure drop rate; analyzing the first real-time internal pressure and the second real-time pressure drop rate to obtain a first driving instruction; and driving the protection executing mechanism to protect the first natural gas pipeline. The method for optimizing the pipeline monitoring is designed; the pertinence and the accuracy of the pipeline safety monitoring are enhanced; furthermore, the effect of safety monitoring of the pipeline is effectively improved; providing a strong guarantee for the safe and stable operation of the pipeline; the occurrence of accidents is reduced; meanwhile, the cost of pipeline safety monitoring is reduced; the technical effect of laying a foundation for the subsequent management and maintenance of pipelines is provided.
2. Converting the first real-time pressure drop rate by using the constructed preset system counting mode, so that the analysis processing process of the pipeline monitoring system based on the electronic unit on the real-time pressure drop rate data can be simplified, and the working efficiency is improved; meanwhile, a second real-time pressure drop rate with higher accuracy and reliability is obtained, and the quality of pipeline safety monitoring is further improved.
Example two
Based on the same inventive concept as the electronic unit-based pipeline monitoring method in the foregoing embodiment, the present invention further provides an electronic unit-based pipeline monitoring system, referring to fig. 3, the system includes:
the first obtaining unit 11 is configured to monitor the internal pressure and the pressure drop rate of the first natural gas pipeline in real time through the pressure collecting and transmitting device, and obtain a real-time internal pressure data set and a real-time pressure drop rate data set;
a second obtaining unit 12, where the second obtaining unit 12 is configured to analyze the real-time internal pressure data set to obtain a first pressure early warning threshold;
the third obtaining unit 13 is configured to analyze the real-time pressure drop rate data set to obtain a first pressure drop rate early warning threshold;
A fourth obtaining unit 14, where the fourth obtaining unit 14 is configured to send the first pressure early warning threshold and the first pressure drop rate early warning threshold to the central controller, and the central controller filters the real-time internal pressure and the real-time pressure drop rate through the first pressure early warning threshold and the first pressure drop rate early warning threshold to obtain a first real-time internal pressure and a first real-time pressure drop rate;
a first execution unit 15, where the first execution unit 15 is configured to construct a predetermined binary counting mode;
a fifth obtaining unit 16, where the fifth obtaining unit 16 is configured to convert the first real-time pressure drop rate according to the predetermined binary count manner to obtain a second real-time pressure drop rate;
a sixth obtaining unit 17, where the sixth obtaining unit 17 is configured to analyze the first real-time internal pressure and the second real-time pressure drop rate to obtain a first driving instruction;
the second execution unit 18 is configured to drive the protection execution mechanism to protect the first natural gas pipeline according to the first driving instruction.
Further, the system further comprises:
a seventh obtaining unit for obtaining influence parameter information of the first natural gas line;
The third execution unit is used for carrying out correlation analysis on the influence parameter information of the first natural gas pipeline and the real-time pressure drop rate data set, and constructing a relation model of pressure drop and influence factors;
further, the constructing a relation model of pressure drop and influence factors includes:
wherein r is xy Is the correlation coefficient; s is S xy Covariance between the influence parameter information and each real-time pressure drop rate in the real-time pressure drop rate dataset; s is S x Standard deviation of the influence parameter information; s is S y Standard deviation of each real-time pressure drop rate in the real-time pressure drop rate dataset.
An eighth obtaining unit, configured to obtain a correlation coefficient between the pressure drop and the influencing factor according to a relationship model between the pressure drop and the influencing factor;
and the fourth execution unit is used for constructing the preset system counting mode according to the correlation coefficient of the pressure drop and the influence factor.
Further, the system further comprises:
a ninth obtaining unit for obtaining a first real-time internal pressure change curve from the real-time internal pressure dataset;
A tenth obtaining unit for obtaining an environmental characteristic of the first natural gas line, wherein the environmental characteristic includes an ambient temperature, an ambient air pressure;
an eleventh obtaining unit, configured to draw a curve according to the environmental characteristic and a time axis, to obtain a first real-time environmental characteristic change curve, where the first real-time environmental characteristic change curve is the same as a time period of the first real-time internal pressure change curve;
a twelfth obtaining unit, configured to perform curve fitting on the first real-time internal pressure change curve and the first real-time environmental characteristic change curve, to obtain a comprehensive internal pressure change curve;
a thirteenth obtaining unit, configured to obtain the first pressure early warning threshold according to the integrated internal pressure change curve.
Further, the system further comprises:
a fourteenth obtaining unit, configured to perform denoising processing on the real-time internal pressure data set, to obtain a first real-time internal pressure data set;
and the fifteenth obtaining unit is used for plotting the data in the first real-time internal pressure data set according to a time axis to obtain a first real-time internal pressure change curve.
Further, the system further comprises:
a sixteenth obtaining unit, configured to filter the real-time internal pressure by using the first pressure early warning threshold by using the central controller, to obtain a second real-time internal pressure, where the second real-time internal pressure is filtered data;
a seventeenth obtaining unit configured to obtain a second driving instruction according to the second real-time internal pressure;
the fifth execution unit is used for driving the protection execution mechanism to protect the first natural gas pipeline according to the second driving instruction;
an eighteenth obtaining unit, configured to filter the real-time internal pressure drop rate by using the first pressure drop rate early warning threshold by using the central controller, to obtain a second real-time internal pressure drop rate, where the second real-time internal pressure drop rate is filtered data;
a nineteenth obtaining unit configured to obtain a third driving instruction according to the second real-time internal pressure drop rate;
and the sixth execution unit is used for driving the protection execution mechanism to protect the first natural gas pipeline according to the third driving instruction.
Further, the system further comprises:
the twenty-second acquisition unit is used for acquiring pressure identification sensitivity information and information transmission speed information of the pressure acquisition transmitting device;
the twenty-first obtaining unit is used for adjusting the first pressure early warning threshold value according to the pressure identification sensitivity information and the information transmission speed information to obtain a second pressure early warning threshold value.
The embodiments of the present invention are described in a progressive manner, and each embodiment focuses on the differences from the other embodiments, so that the foregoing electronic unit-based pipeline monitoring method and specific example in the first embodiment of fig. 1 are equally applicable to an electronic unit-based pipeline monitoring system of the present embodiment, and those skilled in the art will clearly know about an electronic unit-based pipeline monitoring system in the present embodiment through the foregoing detailed description of an electronic unit-based pipeline monitoring method, so that the details of the present embodiment will not be described herein for brevity. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Exemplary electronic device
The electronic device of the present application is described below with reference to fig. 4.
Based on the same inventive concept as the electronic unit-based pipeline monitoring method in the foregoing embodiments, the present application further provides an electronic unit-based pipeline monitoring system, including: a processor coupled to a memory for storing a program that, when executed by the processor, causes the system to perform the method of any of the first aspects.
The electronic device 300 includes: a processor 302, a communication interface 303, a memory 301. Optionally, the electronic device 300 may also include a bus architecture 304. Wherein the communication interface 303, the processor 302 and the memory 301 may be interconnected by a bus architecture 304; the bus architecture 304 may be a peripheral component interconnect bus or an extended industry standard architecture bus, among others. The bus architecture 304 may be divided into address buses, data buses, control buses, and the like. For ease of illustration, the figures are shown with only one bold line, but not with only one bus or one type of bus.
The memory 301 is used for storing computer-executable instructions for executing the embodiments of the present application, and is controlled by the processor 302 to execute the instructions. The processor 302 is configured to execute computer-executable instructions stored in the memory 301, thereby implementing an electronic unit-based pipeline monitoring method provided herein.
Alternatively, the computer-executable instructions in the present application may be referred to as application code, which is not specifically limited in this application.
The application solves the technical problem that the safety monitoring effect of the pipeline in the prior art is poor. The method for optimizing the pipeline monitoring is designed; the pertinence and the accuracy of the pipeline safety monitoring are enhanced; furthermore, the effect of safety monitoring of the pipeline is effectively improved; providing a strong guarantee for the safe and stable operation of the pipeline; the occurrence of accidents is reduced; meanwhile, the cost of pipeline safety monitoring is reduced; the technical effect of laying a foundation for the subsequent management and maintenance of pipelines is provided.
Those of ordinary skill in the art will appreciate that: the various numbers of first, second, etc. referred to in this application are merely for ease of description and are not intended to limit the scope of this application nor to indicate any order. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one" means one or more. At least two means two or more. "at least one," "any one," or the like, refers to any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one of a, b, or c (species ) may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or plural.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions described in the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center by wired or wireless means. The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device including one or more servers, data centers, etc. that can be integrated with the available medium. The usable medium may be a magnetic medium, an optical medium, or a semiconductor medium, etc.
The various illustrative logical units and circuits described herein may be implemented or performed with a general purpose processor, a digital signal processor, an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, but in the alternative, the general purpose processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a digital signal processor core, or any other similar configuration.
The steps of a method or algorithm described in the present application may be embodied directly in hardware, in a software element executed by a processor, or in a combination of the two. The software elements may be stored in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. In an example, a storage medium may be coupled to the processor such that the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC, which may reside in a terminal. In the alternative, the processor and the storage medium may reside in different components in a terminal. These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Although the present application has been described in connection with specific features and embodiments thereof, it will be apparent that various modifications and combinations can be made without departing from the spirit and scope of the application.
Accordingly, the specification and figures are merely exemplary illustrations of the present application and are considered to cover any and all modifications, variations, combinations, or equivalents that fall within the scope of the present application. It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the present application and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (8)
1. An electronic unit-based pipeline monitoring method, wherein the method is applied to an electronic unit-based pipeline monitoring system, the system comprises a central controller, a pressure acquisition and transmission device and a protection executing mechanism, and the method comprises the following steps:
the pressure acquisition and transmission device is used for monitoring the internal pressure and the pressure drop rate of the first natural gas pipeline in real time to obtain a real-time internal pressure data set and a real-time pressure drop rate data set;
Analyzing the real-time internal pressure data set to obtain a first pressure early warning threshold;
analyzing the real-time pressure drop rate data set to obtain a first pressure drop rate early warning threshold;
the first pressure early warning threshold and the first pressure drop rate early warning threshold are sent to the central controller, and the central controller filters the real-time internal pressure and the real-time pressure drop rate through the first pressure early warning threshold and the first pressure drop rate early warning threshold to obtain a first real-time internal pressure and a first real-time pressure drop rate;
constructing a preset system counting mode;
converting the first real-time pressure drop rate according to the preset system counting mode to obtain a second real-time pressure drop rate;
analyzing the first real-time internal pressure and the second real-time pressure drop rate to obtain a first driving instruction;
driving the protection executing mechanism to protect a first natural gas pipeline according to the first driving instruction;
wherein, the constructing the predetermined system counting mode comprises:
obtaining influence parameter information of the first natural gas pipeline;
performing correlation analysis on the influence parameter information of the first natural gas pipeline and the real-time pressure drop rate data set, and constructing a relation model of pressure drop and influence factors;
Obtaining a correlation coefficient of the pressure drop and the influence factor according to a relation model of the pressure drop and the influence factor;
constructing the preset system counting mode according to the correlation coefficient of the pressure drop and the influence factors;
performing correlation analysis on the influence parameter information of the first natural gas pipeline and the real-time pressure drop rate data set, and constructing a relation model of pressure drop and influence factors, wherein the relation model comprises the following steps:
wherein r is xy Is the correlation coefficient;
S xy covariance between the influence parameter information and each real-time pressure drop rate in the real-time pressure drop rate dataset;
S x standard deviation of the influence parameter information;
S y standard deviation of each real-time pressure drop rate in the real-time pressure drop rate dataset.
2. The method of claim 1, wherein analyzing the real-time internal pressure dataset to obtain a first pressure warning threshold comprises:
obtaining a first real-time internal pressure change curve according to the real-time internal pressure data set;
obtaining an environmental characteristic of the first natural gas line, wherein the environmental characteristic comprises an ambient temperature, an ambient air pressure;
drawing a curve according to the environmental characteristics and a time axis to obtain a first real-time environmental characteristic change curve, wherein the first real-time environmental characteristic change curve is the same as the first real-time internal pressure change curve in time period;
Performing curve fitting on the first real-time internal pressure change curve and the first real-time environment characteristic change curve to obtain a comprehensive internal pressure change curve;
and obtaining the first pressure early warning threshold according to the comprehensive internal pressure change curve.
3. The method of claim 2, wherein said obtaining a first real-time internal pressure profile from said real-time internal pressure dataset comprises:
denoising the real-time internal pressure data set to obtain a first real-time internal pressure data set;
and drawing the data in the first real-time internal pressure data set according to a time axis to obtain a first real-time internal pressure change curve.
4. The method of claim 1, wherein the central controller, after filtering the real-time internal pressure and the real-time pressure drop rate by the first pressure pre-warning threshold and the first pressure drop rate pre-warning threshold, comprises:
the central controller filters the real-time internal pressure through the first pressure early warning threshold value to obtain second real-time internal pressure, wherein the second real-time internal pressure is filtered data;
Obtaining a second driving instruction according to the second real-time internal pressure;
driving the protection executing mechanism to protect the first natural gas pipeline according to the second driving instruction;
the central controller filters the real-time internal pressure drop rate through the first pressure drop rate early warning threshold value to obtain a second real-time internal pressure drop rate, wherein the second real-time internal pressure drop rate is filtered data;
obtaining a third drive command based on the second real-time internal pressure drop rate;
and driving the protection executing mechanism to protect the first natural gas pipeline according to the third driving instruction.
5. The method of claim 2, wherein after obtaining the first pressure warning threshold from the integrated internal pressure profile, further comprising:
acquiring pressure identification sensitivity information and information transmission speed information of the pressure acquisition and transmission device;
and adjusting the first pressure early warning threshold according to the pressure identification sensitivity information and the information transmission speed information to obtain a second pressure early warning threshold.
6. An electronic unit-based pipeline monitoring system, the system comprising a central controller, a pressure acquisition transmitter, and a protection actuator, the system further comprising:
The first obtaining unit is used for monitoring the internal pressure and the pressure drop rate of the first natural gas pipeline in real time through the pressure acquisition and transmission device to obtain a real-time internal pressure data set and a real-time pressure drop rate data set;
the second obtaining unit is used for analyzing the real-time internal pressure data set to obtain a first pressure early warning threshold value;
the third obtaining unit is used for analyzing the real-time pressure drop rate data set to obtain a first pressure drop rate early warning threshold;
the fourth obtaining unit is used for sending the first pressure early warning threshold value and the first pressure drop rate early warning threshold value to the central controller, and the central controller filters the real-time internal pressure and the real-time pressure drop rate through the first pressure early warning threshold value and the first pressure drop rate early warning threshold value to obtain a first real-time internal pressure and a first real-time pressure drop rate;
the first execution unit is used for constructing a preset system counting mode;
a fifth obtaining unit, configured to convert the first real-time pressure drop rate according to the predetermined binary count mode, to obtain a second real-time pressure drop rate;
A sixth obtaining unit for analyzing the first real-time internal pressure and the second real-time pressure drop rate to obtain a first driving instruction;
the second execution unit is used for driving the protection execution mechanism to protect the first natural gas pipeline according to the first driving instruction;
a seventh obtaining unit for obtaining influence parameter information of the first natural gas line;
the third execution unit is used for carrying out correlation analysis on the influence parameter information of the first natural gas pipeline and the real-time pressure drop rate data set, and constructing a relation model of pressure drop and influence factors;
the construction of the relation model of the pressure drop and the influence factors comprises the following steps:
wherein r is xy Is the correlation coefficient; s is S xy Covariance between the influence parameter information and each real-time pressure drop rate in the real-time pressure drop rate dataset; s is S x Standard deviation of the influence parameter information; s is S y Standard deviation of each real-time pressure drop rate in the real-time pressure drop rate dataset;
an eighth obtaining unit, configured to obtain a correlation coefficient between the pressure drop and the influencing factor according to a relationship model between the pressure drop and the influencing factor;
And the fourth execution unit is used for constructing the preset system counting mode according to the correlation coefficient of the pressure drop and the influence factor.
7. An electronic unit based pipeline monitoring system comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the method of any one of claims 1 to 5 when the program is executed by the processor.
8. A computer readable storage medium, characterized in that the storage medium has stored thereon a computer program which, when executed by a processor, implements the method of any of claims 1 to 5.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5408420A (en) * | 1990-03-09 | 1995-04-18 | Emerson Electric Co. | Line leak test apparatus measuring rate of pressure change in a liquid storage and dispensing system |
| US5333115A (en) * | 1990-03-09 | 1994-07-26 | Emerson Electric Co. | Line leak test apparatus responsive to pump use |
| JPH07117473B2 (en) * | 1990-10-31 | 1995-12-18 | 千代田化工建設株式会社 | Pipeline leak detector |
| US20160356665A1 (en) * | 2015-06-02 | 2016-12-08 | Umm Al-Qura University | Pipeline monitoring systems and methods |
| CA3078314C (en) * | 2016-10-24 | 2022-09-20 | Lorax Systems Inc. | Fluid delivery line assembly with shut-off valve assembly |
| CN109578818B (en) * | 2018-12-18 | 2021-07-02 | 中国石油天然气集团有限公司 | Gas pipeline valve chamber trunk pipeline pipe burst monitoring alarm and interlocking protection method |
| CN109373202B (en) * | 2018-12-18 | 2021-09-03 | 中国石油天然气集团有限公司 | Monitoring and alarming interlocking device for pressure drop rate of trunk line of gas transmission pipeline end station |
| CN109555976B (en) * | 2018-12-18 | 2021-03-30 | 中国石油天然气集团有限公司 | Monitoring and alarming interlocking device and method for pressure drop rate of trunk line of gas transmission pipeline end station |
| CN109578817B (en) * | 2018-12-18 | 2020-11-17 | 中国石油天然气集团有限公司 | Monitoring and alarming interlocking method for pressure drop rate of trunk line of gas transmission pipeline end station |
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