Natural gas pipeline network online management system and method

Abstract

The invention discloses an online management system and method for a natural gas pipeline network, and relates to the technical field of natural gas pipeline network management, and the system comprises a sensor module, a data analysis module, a control device and a valve actuator which are connected in sequence. The sensor module is used for collecting operation parameter data of the natural gas pipeline network equipment during use and transmitting the operation parameter data to the data analysis module; the data analysis module is used for analyzing the received operation parameter data and transmitting analysis result data to the control device; the control device is used for receiving the analysis result data and sending a control instruction to the valve actuator; the valve actuator is used for driving the valve to act according to the control instruction. By acquiring the operation parameter data of the natural gas pipeline network, full-life-cycle intelligent online management of the natural gas pipeline network is achieved, serious loss is avoided, and then operation safety of the natural gas pipeline network is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of natural gas pipeline network management, and particularly to an online management system and method for natural gas pipeline networks. Background Art

[0003] In the analysis of leakage hazards in the prior art, the method of line patrol is adopted, and it is detected by a professional team at regular intervals. Therefore, the collected data is not timely and continuous, and hidden leakage points cannot be discovered in time. The results obtained from line patrol detection are not accurate enough, and it is not convenient to input the data into a computer for further processing. The leakage hazard location cannot be determined timely and accurately, and a corresponding solution cannot be provided accurately either.

[0004] Traditional inspection methods mainly rely on the self-awareness of inspectors. However, due to factors such as long gas pipeline lengths, numerous points, wide coverage, and scattered personnel, there are many blind spots and defects in daily inspection management. Especially due to the lack of support from information technology, the inspection efficiency is low, and there is a lack of statistical analysis of pipeline inspection data, which restricts the refined management of gas pipelines. At present, it is necessary to effectively improve the informatization and intelligent level of natural gas pipeline network management in line with the actual operation of natural gas companies.

[0005] Therefore, it is an urgent problem for those skilled in the art to propose an online management system for natural gas pipeline networks to solve the difficulties existing in the prior art. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to provide an online management system and method for natural gas pipeline networks in view of the deficiencies of the prior art, specifically as follows:

[0007] 1) In the first aspect, the present invention provides an online management system for natural gas pipeline networks, and the specific technical solution is as follows:

[0008] It includes a sensor module, a data analysis module, a control device, and a valve actuator connected in sequence;

[0009] The sensor module is used for: collecting the operation parameter data of natural gas pipeline network equipment during use and transmitting it to the data analysis module;

[0010] The data analysis module is used for: analyzing the received operation parameter data and transmitting the analysis result data to the control device;

[0011] The control device is used for: receiving the analysis result data and sending a control instruction to the valve actuator;

[0012] The valve actuator is used for: driving the valve to act according to the control instruction.

[0013] The beneficial effects of a natural gas pipeline network online management system provided by the present invention are as follows:

[0014] By obtaining the operation parameter data of the natural gas pipeline network, the intelligent online management of the whole life cycle of the natural gas pipeline network is realized, serious losses are avoided, and the operation safety of the natural gas pipeline network is guaranteed.

[0015] On the basis of the above solution, a natural gas pipeline network online management system of the present invention can also be improved as follows.

[0016] Furthermore, it further includes a background terminal, which is used to monitor in real time the operation parameter data received by the data analysis module and the decision-making scheme made by the data analysis module.

[0017] Furthermore, it further includes an intelligent pipeline network management module, which is used for: using an unmanned aerial vehicle to perform a pipeline network inspection task on a preset position of the natural gas pipeline network, obtaining pipeline network information at the preset position and transmitting it to the background terminal.

[0018] Furthermore, the sensor module includes at least one of a temperature and humidity sensor, a pressure sensor, a flow sensor, a methane sensor, a smoke sensor, a dust sensor, and a carbon dioxide sensor.

[0019] Furthermore, the data analysis module includes at least one of a gas volume analysis device, a component analysis device, a flow analysis device, an optimization device, a burst pipe prediction analysis device, and a regional gas supply interruption analysis device.

[0020] 2) Second aspect, the present invention also provides a natural gas pipeline network online management method, and the specific technical solution is as follows:

[0021] The sensor module collects the operation parameter data of the natural gas pipeline network equipment during use and transmits it to the data analysis module;

[0022] The data analysis module analyzes the received operation parameter data and transmits the analysis result data to the control device;

[0023] The control device receives the analysis result data and issues a control instruction to the valve actuator;

[0024] The valve actuator drives the valve to act according to the control instruction.

[0025] On the basis of the above solution, a natural gas pipeline network online management method of the present invention can also be improved as follows.

[0026] Furthermore, it further includes: the background terminal monitors in real time the operation parameter data received by the data analysis module and the decision-making scheme made by the data analysis module.

[0027] Further, it further includes: The intelligent network inspection management module uses a drone to perform a network inspection task on a preset position of the natural gas pipeline network, obtains the pipeline network information of the preset position and transmits it to the background terminal.

[0028] Further, the sensor module includes at least one of a temperature and humidity sensor, a pressure sensor, a flow sensor, a methane sensor, a smoke sensor, a dust sensor, and a carbon dioxide sensor.

[0029] Further, the data analysis module includes at least one of a gas volume analysis device, a component analysis device, a flow analysis device, an optimization device, a burst pipe prediction analysis device, and a regional gas supply interruption analysis device.

[0030] It should be noted that for the beneficial effects obtained by the technical solution of the second aspect of the present invention and the corresponding possible implementation manners, reference can be made to the technical effects of the first aspect and its corresponding possible implementation manners described above, and details will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, objects, and advantages of the present invention will become more apparent:

[0032] Figure 1 FIG. 1 is one of the flow diagrams of an on-line management system for a natural gas pipeline network according to an embodiment of the present invention;

[0033] Figure 2 FIG. 2 is another flow diagram of an on-line management system for a natural gas pipeline network according to an embodiment of the present invention;

[0034] Figure 3 FIG. 3 is a structural diagram of the background terminal;

[0035] Figure 4 FIG. 4 is a flow diagram of a method for on-line management of a natural gas pipeline network according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0036] To make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0037] As Figure 1 shown, an on-line management system for a natural gas pipeline network according to an embodiment of the present invention includes a sensor module, a data analysis module, a control device, and a valve actuator that are connected in sequence. Among them, the output end of the sensor module is connected to the input end of the data analysis module, the output end of the data analysis module is connected to the input end of the control device, and the output end of the control device is connected to the input end of the valve actuator;

[0038] The sensor module is used to: collect the operation parameter data of the natural gas pipeline network equipment during use and transmit it to the data analysis module;

[0039] The data analysis module is used to: analyze the received operation parameter data and transmit the analysis result data to the control device;

[0040] The control device is used to: receive the analysis result data and send a control instruction to the valve actuator;

[0041] The valve actuator is used to: drive the valve to act according to the control instruction, wherein the valve actuator can be installed on the valve of the natural gas pipeline.

[0042] An online management system for natural gas pipeline network provided by the present invention realizes the intelligent online management of the whole life cycle of the natural gas pipeline network by obtaining the operation parameter data of the natural gas pipeline network, avoids causing serious losses, and thus ensures the operation safety of the natural gas pipeline network.

[0043] Optionally, in the above technical solution, as Figure 2 shown, it further includes a background terminal, and the background terminal is used to monitor in real time the operation parameter data received by the data analysis module and the decision-making scheme made by the data analysis module, wherein the background terminal is connected to the input end and the output end of the data analysis module.

[0044] Optionally, in the above technical solution, it further includes an intelligent network patrol management module, and the intelligent network patrol management module is used to: use a drone to perform a network patrol task on a preset position of the natural gas pipeline network, obtain the pipeline network information of the preset position and transmit it to the background terminal, wherein the network patrol task is formulated in advance, and the preset position can be set according to the actual situation.

[0045] Optionally, in the above technical solution, the sensor module includes at least one of a temperature and humidity sensor, a pressure sensor, a flow sensor, a methane sensor, a smoke sensor, a dust sensor and a carbon dioxide sensor, and the installation position of each sensor can be set according to the actual situation.

[0046] Optionally, in the above technical solution, the data analysis module includes at least one of a gas volume analysis device, a component analysis device, a flow analysis device, an optimization device, a burst pipe prediction analysis device and a regional gas cut-off analysis device.

[0047] Wherein, when the data analysis module includes at least two of a gas volume analysis device, a component analysis device, a flow analysis device, an optimization device, a burst pipe prediction analysis device and a regional gas cut-off analysis device, the devices included in the data analysis module can be placed side by side, or can be placed according to the actual situation.

[0048] The analysis result data includes the calculation and analysis results of a gas volume analysis device, a component analysis device, a flow analysis device, an optimization device, a burst pipe prediction analysis device, and a regional gas supply interruption analysis device.

[0049] Optionally, in the above technical solution, the control device is a PLC programmable logic controller.

[0050] Optionally, in the above technical solution, as Figure 3 shown, the background terminal includes a monitoring device, a decision-making device, and a visualization large screen, where:

[0051] 1) The monitoring device is used for: real-time monitoring of the natural gas flow rate, calculating the natural gas consumption data for this month, and automatically converting it into natural gas costs.

[0052] 2) The decision-making device is used for: identifying and risk-analyzing problems that require decision-making, and determining corresponding decision-making schemes.

[0053] 3) The visualization large screen is used for: displaying the overall pipeline network map. With the urban GIS (Geographic Information Management System) map as the background, it will centrally display and analyze the natural gas pipeline network situation in this area, provide decision-making support for managers, and provide a scientific and reasonable basis for optimizing the management of the natural gas pipeline network.

[0054] The present invention will be described below through another embodiment:

[0055] An on-line management system for a natural gas pipeline network in this embodiment includes: a sensor module, a data analysis module, a control device, a valve actuator, and a background terminal, where:

[0056] 1) The sensor module is connected to the input end of the data analysis module and is used for collecting the operation parameter data of natural gas equipment during use and transmitting it to the data analysis module;

[0057] 2) The data analysis module is connected to the input end of the control device and is used for analyzing the received operation parameter data and transmitting the analysis result data to the control device;

[0058] 3) The control device is connected to the input end of the valve actuator and is used for receiving the analysis result data and sending out control instructions;

[0059] 4) The valve actuator is installed on the valve of the natural gas pipeline and is used for executing the control instructions sent by the control device to drive the valve to act;

[0060] 5) The background terminal is connected to the input end / output end of the data analysis module and is used for real-time monitoring of data and determining decision-making schemes.

[0061] Optionally, in the above technical solution, the sensor module includes, but is not limited to, a temperature and humidity sensor, a pressure sensor, a flow sensor, a methane sensor, a smoke sensor, a dust sensor, and a carbon dioxide sensor. Each sensor is disposed near the gas pipeline and is used to detect the temperature and humidity, pressure, flow rate, methane content, smoke content, dust content, and carbon dioxide content of the gas pipeline, as operating parameter data, and upload the detected operating parameter data to the data analysis module.

[0062] In a specific embodiment, the pipeline valve can be set on the main gas pipeline or on the branch gas pipeline. For example, if a gas leak occurs, the valve actuator can control the pipeline valve on the main gas pipeline to shut off, or can control the pipeline valve installed on the branch gas pipeline to shut off. Hierarchical settings can also be made. For example, when the gas concentration exceeds the set value but the value is still small, only the branch gas pipeline can be shut off. If the number of values exceeding the set value is large, all gas pipelines can be closed simultaneously.

[0063] Optionally, in the above technical solution, the data analysis module includes a gas volume analysis device, a component analysis device, a flow analysis device, an optimization device, a burst pipe prediction analysis device, and a regional gas supply interruption analysis device placed side by side. Specifically:

[0064] 1) The gas volume analysis device is used to analyze the gas consumption pattern of the users of the gas transmission network based on the historical gas consumption data of the gas transmission network and analyze and predict the gas consumption of users according to the national standard GB / T21391-2022 "Measurement of Natural Gas Flow by Gas Turbine Flowmeters".

[0065] 2) The component analysis device is used to construct a thermodynamic model based on the acquired operating parameter data and perform analysis based on the statistics of the measured component data in the operating parameter data, and then calculate the natural gas components at each gas consumption point.

[0066] 3) The flow analysis device is used to measure the volume flow rate of natural gas by using the direct discharge method and the loop method, so as to perform flow analysis and flow control on the inlet and outlet volumes of different gas sources, and make the gas supply in all the gas supply areas of the gas transmission network balanced.

[0067] 4) The optimization device is used to optimize the combination of different gas sources under the condition of multiple gas sources according to the acquired operating parameter data, the adjustable gas source combination ratio, and the peak shaving capabilities of different gas sources, and use the method of operations research to optimize the pressure and combined gas supply volume of different gas sources.

[0068] 5) The burst pipe prediction device is used to input the established burst pipe prediction model of the water supply network with an adaptive neural network hybrid variable precision rough set based on the operating parameter data of the gas transmission network, so as to perform burst pipe analysis and prediction on the natural gas network.

[0069] 6) Area gas cut-off analysis device, which selects the gas cut-off position, analyzes the distribution of the affected pipe network after the gas cut-off and the situation of all users within the gas cut-off area, and formulates gas cut-off / test gas plans for the pipe network with different pressures based on the prediction results obtained by the pipe burst prediction device.

[0070] Optionally, in the above technical solution, it further includes an intelligent pipe network inspection management module, which is connected to the output end of the sensor module and the input end of the background terminal, and is used to use a drone to execute the inspection task formulated for a certain position of the natural gas pipe network, that is, the preset position, obtain the pipe network information at this position and transmit it to the background terminal. For example, when it is around the natural gas pipe network at the preset position and the formulated inspection task is to collect the image information of the surrounding environment of the natural gas pipe network, then:

[0071] During the flight of the drone, use a high-resolution CCD digital camera and an infrared scanner to collect the image information of the surrounding environment of the natural gas pipe network in real time and transmit it to the background terminal through wireless communication.

[0072] Optionally, in the above technical solution, the control device is a PLC programmable logic controller.

[0073] Optionally, in the above technical solution, as Figure 3 shown, the background terminal includes a monitoring device, a decision-making device and a visualization large screen, where:

[0074] 1) The monitoring device is used for: real-time monitoring of the natural gas flow rate, calculating the natural gas consumption data of this month and automatically converting it into natural gas costs.

[0075] 2) The decision-making device is used for: identifying and risk analyzing the problems that need to provide decisions, and determining the corresponding decision-making plans.

[0076] 3) The visualization large screen is used for: displaying the overall pipe network map, with the city GIS (Geographic Information Management System) map as the background, centrally displaying and analyzing the situation of the natural gas pipe network in this area, providing decision-making support for managers, and providing a scientific and reasonable basis for optimizing the management of the natural gas pipe network.

[0077] Among them, the Geographic Information Management System is a computer management system that realizes the input, editing, storage, query, statistics, analysis, maintenance update and output of the pipe network by using GIS + Internet of Things technology with the support of computer software, hardware, database and network.

[0078] In view of the actual needs of pipe network management, the basic information of the pipe network, including pipe diameter, material, spatial position (coordinates), the road where it is located, construction age and other basic information, is uniformly stored and managed, and the pipe network attributes (including pipe diameter, material, coordinates, maintenance records, etc.) are queried and statistically analyzed.

[0079] Optionally, in the above technical solution, the decision-making device includes an intelligent customer service platform for assisting in determining the decision-making plan. Specifically:

[0080] The intelligent customer service platform is a multi-channel access platform, such as channels like APP, mini-program, web link, etc. It accesses the corresponding channels through rich window applications and supports sending various answer forms such as text and pictures. Based on powerful AI semantics and diversified, multi-scenario question services, it better assists managers in determining decision-making plans, accurately answering question answers, and improving the work efficiency of managers.

[0081] In a specific embodiment, when it is predicted that a pipe burst may occur in a certain area of the natural gas pipeline network, the question "How to prevent pipe bursts in the natural gas pipeline network" is sent to the intelligent customer service platform. The intelligent customer service gives a solution method, and then combined with the actual experience of the manager, a decision-making plan is obtained.

[0082] Optionally, in the above technical solution, it further includes a database for real-time storing the operation parameter data of the pipeline network and the historical gas usage data of users. Specifically:

[0083] The database is used for real-time storing and analyzing and displaying the operation parameter data of the pipeline network, and forming continuously updated data of the gas transmission pipeline network process, instruments, equipment, and media that can be used by other external systems through a data interface. The database is also used for storing the historical gas usage data of the gas transmission pipeline network users.

[0084] Optionally, in the above technical solution, the connection method between each module is any one of a wired data network, a wireless data network, and a mobile data network.

[0085] Among them, the wireless communication unit is a GPRS communication unit.

[0086] As Figure 4 shown, a method for online management of a natural gas pipeline network according to an embodiment of the present invention includes:

[0087] S1. The sensor module collects the operation parameter data of the natural gas pipeline network equipment during use and transmits it to the data analysis module;

[0088] S2. The data analysis module analyzes the received operation parameter data and transmits the analysis result data to the control device;

[0089] S3. The control device receives the analysis result data and issues a control instruction to the valve actuator;

[0090] S4. The valve actuator drives the valve to act according to the control instruction.

[0091] Optionally, in the above technical solution, it further includes:

[0092] S5. The operation parameter data received by the background terminal real-time monitoring data analysis module and the decision-making scheme made by the data analysis module.

[0093] Optionally, in the above technical solution, it further includes:

[0094] S6. The intelligent network inspection management module uses a drone to perform a network inspection task on a preset position of the natural gas pipeline network, obtains the pipeline network information of the preset position and transmits it to the background terminal.

[0095] Optionally, in the above technical solution, the sensor module includes at least one of a temperature and humidity sensor, a pressure sensor, a flow sensor, a methane sensor, a smoke sensor, a dust sensor, and a carbon dioxide sensor.

[0096] Optionally, in the above technical solution, the data analysis module includes at least one of a gas volume analysis device, a component analysis device, a flow analysis device, an optimization device, a burst pipe prediction analysis device, and a regional gas cut-off analysis device.

[0097] It should be noted that the beneficial effects of the above-mentioned natural gas pipeline network online management method provided by the above embodiment are the same as those of the above-mentioned natural gas pipeline network online management system, and will not be elaborated here. In addition, the method provided by the above embodiment and the system embodiment belong to the same concept, and the specific implementation process can be seen in the system embodiment, which will not be elaborated here.

[0098] In the above embodiments, although the steps are numbered S1, S2, etc., these are only specific embodiments given by the present invention. Those skilled in the art can adjust the execution order of S1, S2, etc. according to the actual situation, which is also within the protection scope of the present invention. It can be understood that in some embodiments, it may include some or all of the above embodiments.

[0099] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0100] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. An online management system for natural gas pipeline networks, characterized in that, It includes a sensor module, a data analysis module, a control device, and a valve actuator connected in sequence; The sensor module is used to: collect the operation parameter data of the natural gas pipeline network equipment during use and transmit it to the data analysis module; The data analysis module is used to: analyze the received operation parameter data and transmit the analysis result data to the control device; The control device is used to: receive the analysis result data and send a control instruction to the valve actuator; The valve actuator is used to: drive the valve to act according to the control instruction.

2. The online management system for a natural gas pipeline network according to claim 1, wherein It also includes a background terminal, which is used to monitor in real time the operation parameter data received by the data analysis module and the decision-making scheme made by the data analysis module.

3. The online management system for a natural gas pipeline network according to claim 1 or 2, characterized in that It also includes an intelligent network patrol management module, which is used to: use a drone to perform a network patrol task on a preset position of the natural gas pipeline network, obtain the pipeline network information of the preset position and transmit it to the background terminal.

4. The on-line management system for natural gas pipeline network according to claim 1 or 2, characterized in that The sensor module includes at least one of a temperature and humidity sensor, a pressure sensor, a flow sensor, a methane sensor, a smoke sensor, a dust sensor, and a carbon dioxide sensor.

5. The on-line management system for natural gas pipeline network according to claim 1 or 2, characterized in that, The data analysis module includes at least one of a gas volume analysis device, a component analysis device, a flow analysis device, an optimization device, a burst pipe prediction analysis device, and a regional gas supply interruption analysis device.

6. An online management method for a natural gas pipeline network, characterized in that, It includes: The sensor module collects the operation parameter data of the natural gas pipeline network equipment during use and transmits it to the data analysis module; The data analysis module analyzes the received operation parameter data and transmits the analysis result data to the control device; The control device receives the analysis result data and sends a control instruction to the valve actuator; The valve actuator drives the valve to act according to the control instruction.

7. The on-line management method of a natural gas pipeline network according to claim 6, characterized in that, It also includes: The background terminal monitors in real time the operation parameter data received by the data analysis module and the decision-making scheme made by the data analysis module.

8. The on-line management method for a natural gas pipeline network according to claim 6 or 7, characterized in that, It also includes: The intelligent network patrol management module uses a drone to perform a network patrol task on a preset position of the natural gas pipeline network, obtains the pipeline network information of the preset position and transmits it to the background terminal.

9. A method for online management of a natural gas pipeline network according to claim 6 or 7, characterized in that The sensor module includes at least one of a temperature and humidity sensor, a pressure sensor, a flow sensor, a methane sensor, a smoke sensor, a dust sensor, and a carbon dioxide sensor.

10. An online management method for a natural gas pipeline network according to claim 6 or 7, characterized in that, The data analysis module includes at least one of a gas volume analysis device, a component analysis device, a flow analysis device, an optimization device, a burst pipe prediction analysis device, and a regional gas supply interruption analysis device.

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