Hot-pressing flow monitoring system based on structured grid chart
By using a structured grid diagram model for data analysis in the hot press flow monitoring system, the problem of blind spots in the traditional monitoring system is solved, more accurate hot press flow monitoring and abnormal warning is achieved, and hot press adjustment strategies are provided for managers. , optimize the underground built environment.
Patent Information
- Application Number
- CN202411247922.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2044-09-06
AI Technical Summary
Traditional hot press flow monitoring systems are difficult to fully cover the entire hot press flow process, resulting in blind spots in monitoring and it is impossible to accurately judge whether there are abnormalities in the hot press flow process.
Using a hot press flow monitoring system based on structured grid diagrams, including data acquisition module, model construction module, data analysis module and data feedback module, data analysis module, and data feedback module, data analysis module is used to analyze data by building an accurate grid diagram model to determine whether the hot press flow process exists. Exception and generate an exception warning.
It realizes more accurate monitoring of the hot press flow process, improves the efficiency and accuracy of abnormal response, and provides managers with hot press adjustment strategies through big data and CFD simulation technology to optimize the environment in underground buildings.
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Figure CN119437623A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of thermal pressure monitoring, and in particular to a thermal pressure flow monitoring system based on a structured grid graph. Background Art
[0002] Natural ventilation driven by temperature difference is widely used in underground buildings. These underground buildings include underground substations, parking lots, subway stations, underground hydropower stations, mines, etc. In order to save land and energy, make full use of underground space and meet the production and living needs of the above functional facilities, these underground buildings are very popular;
[0003] Compared with existing technologies, traditional hot-pressed flow monitoring systems mainly rely on decentralized sensors and simple data recording devices; these systems can usually only provide measurement data from a limited number of points, making it difficult to fully cover the entire hot-pressed flow process, resulting in blind spots in monitoring; these are the problems we need to solve, for which we provide a hot-pressed flow monitoring system based on structured grid graphs. Summary of the invention
[0004] The object of the present invention is to provide a thermal pressure flow monitoring system based on a structured grid graph.
[0005] The object of the present invention can be achieved by the following technical solutions: A thermal pressure flow monitoring system based on a structured grid graph includes a monitoring center, wherein the monitoring center is communication-linked with a data acquisition module, a model building module, a data analysis module, and a data feedback module;
[0006] The data acquisition module is used to collect data on the thermal pressure flow process of the target underground building to obtain corresponding thermal pressure data;
[0007] The model building module is used to build a corresponding regional building model based on the collected heat pressure data, and perform grid processing on the corresponding regional building model to obtain a corresponding grid graph model;
[0008] The data analysis module is used to perform data analysis on the corresponding hot-pressing flow process based on the constructed grid graph model, and determine whether there is an abnormality in the corresponding hot-pressing flow process according to the analysis result, and if there is an abnormality, generate a corresponding abnormality warning;
[0009] The data feedback module is used to provide feedback on the corresponding hot pressure flow process based on the generated abnormal warning.
[0010] Furthermore, the data acquisition module collects data on the thermal pressure flow process of the target underground building, and the process of obtaining corresponding thermal pressure data includes:
[0011] The data acquisition module is provided with a plurality of data acquisition nodes, and based on the data acquisition nodes, the thermal pressure flow information at the monitoring points in the corresponding underground building is collected to obtain the corresponding thermal pressure data, and the thermal pressure data includes temperature, air pressure and flow rate; after the collection is completed, the collected thermal pressure flow information is uploaded to the corresponding monitoring center and stored.
[0012] Furthermore, the process of the model building module building a corresponding regional building model based on the collected thermal pressure data includes:
[0013] Obtaining construction drawings corresponding to the corresponding underground buildings, and obtaining physical connection relationships between rooms and tunnels in the corresponding underground buildings based on the construction drawings, and dividing the target underground buildings into regions based on the construction drawings to obtain a plurality of sub-regions;
[0014] Setting a capture terminal, and collecting relevant building parameters in the corresponding sub-area based on the capture terminal; constructing a regional twin model corresponding to the corresponding sub-area based on the digital twin technology and in combination with the collected building parameters;
[0015] Based on the obtained physical connection relationship, the regional twin models corresponding to all the obtained sub-regions are combined to obtain the corresponding regional twin model.
[0016] Furthermore, the process of obtaining the corresponding grid graph model includes:
[0017] Constructing a two-dimensional rectangular coordinate system, and mapping the collected heat pressure data into the corresponding two-dimensional rectangular coordinate system to obtain a corresponding heat pressure change curve, which includes but is not limited to a temperature change curve, an air pressure change curve, and a flow rate change curve;
[0018] Obtaining a flow velocity change curve corresponding to a corresponding monitoring point in a corresponding sub-area, and obtaining a flow velocity characteristic corresponding to the corresponding monitoring point and a flow velocity change characteristic between adjacent monitoring points based on the flow change curve;
[0019] At the same time, the temperature change curves of all monitoring points in the corresponding sub-area are obtained, and based on the temperature change characteristics and heat source positions of the corresponding monitoring points are obtained;
[0020] Based on the velocity characteristics corresponding to the monitoring points and the velocity variation characteristics between adjacent monitoring points, the regional twin model corresponding to the corresponding sub-region is subjected to structured grid processing in combination with the structured grid technology, and the regional twin model after the structured grid processing is subjected to virtual processing to obtain the corresponding grid unit;
[0021] Then, based on the physical connection relationship, the grid units corresponding to all sub-areas are connected to obtain a corresponding initial grid model;
[0022] The obtained heat source position is mapped to the constructed initial grid model; and the corresponding initial grid model is calibrated based on the heat source position to obtain a corresponding grid graph model; the grid graph model is composed of a number of connected sub-units.
[0023] Furthermore, the process of the data analysis module performing data analysis on the corresponding hot-pressing flow process based on the constructed grid graph model includes:
[0024] Reading the collected heat pressure data, and acquiring the corresponding heat source position and heat source intensity based on the heat pressure data;
[0025] Based on CFD simulation technology, data simulation is performed in combination with the collected thermal pressure data, heat source position and heat source intensity to obtain the corresponding simulated heat source information;
[0026] At the same time, the collected heat pressure data is input into the constructed grid graph model for simulation to obtain the corresponding simulation heat source information;
[0027] The corresponding simulated heat source information and the simulated heat source information are respectively calculated for deviations of various index data in the collected heat pressure data to obtain corresponding simulated deviation values and simulated deviation values;
[0028] A two-dimensional rectangular coordinate system is constructed with time as the horizontal axis and the deviation value as the vertical axis, and the corresponding simulation deviation value and the simulated deviation value are respectively mapped into the corresponding two-dimensional rectangular coordinate system to obtain a corresponding deviation scatter plot;
[0029] Based on the statistical method, the corresponding simulation scatter plot and the scatter point parameters corresponding to the simulated scatter plot are obtained respectively.
[0030] Further, judging whether there is an abnormality in the corresponding hot-pressing flow process based on the analysis result, and if there is an abnormality, the process of generating a corresponding abnormality warning includes:
[0031] Set the scatter point threshold. If all parameters in the scatter point parameters meet the scatter point threshold, no other operations will be performed;
[0032] If at least one of the parameters in the scatter point parameters does not meet the scatter point threshold, error estimation is performed based on the grid graph model to obtain a corresponding error estimation coefficient;
[0033] The same method as that for obtaining the error estimation coefficients is used to obtain the error estimation coefficients corresponding to all sub-units;
[0034] Set the error standard. If the error estimation coefficient meets the error standard, it indicates that the thermal pressure flow process of the corresponding underground building is abnormal; if an abnormal warning is generated;
[0035] If at least one of the error estimation coefficients does not meet the error standard, the error estimation coefficient will be fed back to the monitoring center, and the management personnel in the monitoring center will correct the corresponding grid diagram model based on the error estimation coefficient. After the correction is completed, the simulation will be performed again to obtain new simulated thermal pressure information, and the above-mentioned scatter point parameter acquisition process will be repeated, and so on.
[0036] Furthermore, the process of obtaining the error estimation coefficient includes:
[0037] Obtain a subunit i in the corresponding grid graph model, and at the same time, obtain an adjacent subunit j that is coplanar with the corresponding subunit i;
[0038] The grid size items in the corresponding sub-unit i and sub-unit j are increased, and a pseudo-gradient coefficient is constructed; and the corresponding error estimation coefficient is obtained based on the obtained pseudo-gradient coefficient.
[0039] Furthermore, the process in which the data feedback module is used to provide feedback on the corresponding hot-pressing flow process based on the generated abnormal warning includes:
[0040] Obtain the generated abnormal warning, and based on the abnormal warning, mark the subunits whose corresponding error estimation coefficients do not meet the error standard and whose scatter point parameters do not meet the scatter point threshold as red, and feed back to the monitoring center;
[0041] Building a heat pressure learning library based on big data, wherein the heat pressure learning library stores historical heat pressure control strategies of corresponding underground buildings and historical heat pressure data corresponding to the corresponding control processes;
[0042] An initial thermal pressure database is constructed by numerical simulation based on CFD simulation technology, wherein the initial thermal pressure database continuously updates the data stored inside through a thermal pressure learning library to obtain a thermal pressure database;
[0043] The heat-pressure data corresponding to the corresponding sub-unit is transmitted to the corresponding heat-pressure database, and the corresponding simulation heat-pressure information and the corresponding heat-pressure adjustment strategy are obtained through the heat-pressure control strategy and the heat-pressure change curve in the heat-pressure database; the corresponding simulation heat-pressure information is compared with the historical heat-pressure data in the heat-pressure learning library, and the simulation heat-pressure data is corrected according to the historical heat-pressure data, and then the heat-pressure adjustment strategy corresponding to the corresponding simulation heat-pressure information is corrected according to the correction result. After the correction is completed, the final heat-pressure adjustment strategy is obtained and fed back to the monitoring center.
[0044] Compared with the prior art, the present invention has the following beneficial effects:
[0045] 1. A grid model that is highly consistent with the actual underground building was constructed; this enables the data analysis module to perform data analysis based on an accurate model, thereby more accurately determining whether there are abnormalities in the thermal pressure flow process and generating abnormal warnings in a timely manner, effectively improving the efficiency and accuracy of abnormal response;
[0046] 2. It not only provides abnormal warnings, but also provides thermal pressure adjustment strategies for managers based on big data and CFD simulation technology to promote the optimization of the internal environment of underground buildings; at the same time, by establishing a thermal pressure learning library and a thermal pressure database, it can continuously learn and update to improve the accuracy of prediction and regulation of future thermal pressure flow states. BRIEF DESCRIPTION OF THE DRAWINGS
[0047] Figure 1 It is a schematic diagram of the present invention. DETAILED DESCRIPTION
[0048] like Figure 1 As shown, a thermal pressure flow monitoring system based on a structured grid diagram includes a monitoring center, and the monitoring center is communicatively linked to a data acquisition module, a model building module, a data analysis module, and a data feedback module;
[0049] The data acquisition module is used to collect data on the thermal pressure flow process of the target underground building to obtain corresponding thermal pressure data;
[0050] The model building module is used to build a corresponding regional building model based on the collected heat pressure data, and perform grid processing on the corresponding regional building model to obtain a corresponding grid graph model;
[0051] The data analysis module is used to perform data analysis on the corresponding hot-pressing flow process based on the constructed grid graph model, and determine whether there is an abnormality in the corresponding hot-pressing flow process according to the analysis result, and if there is an abnormality, generate a corresponding abnormality warning;
[0052] The data feedback module is used to provide feedback on the corresponding hot-pressing flow process based on the generated abnormal warning;
[0053] It should be further explained that, in the specific implementation process, the data acquisition module collects data on the thermal pressure flow process of the target underground building, and the process of obtaining the corresponding thermal pressure data includes:
[0054] The data acquisition module is provided with a plurality of data acquisition nodes, and the data acquisition nodes are composed of a plurality of IoT terminals with different functions, and the IoT terminals include but are not limited to temperature terminals, pressure terminals and flow rate terminals;
[0055] The data acquisition nodes are deployed at monitoring points in the target underground building area, and the thermal pressure flow information at the corresponding monitoring points is collected based on the data acquisition nodes to obtain corresponding thermal pressure data, which includes temperature, air pressure and flow rate; wherein the monitoring points refer to monitoring points selected by the staff according to actual needs, for example, the monitoring points may be tunnels in the corresponding underground building, connecting areas between rooms, or air outlets and air inlet areas in the corresponding tunnels and rooms, etc.;
[0056] After the collection is completed, the collected hot-pressure flow information is uploaded to the corresponding monitoring center and stored;
[0057] It should be further explained that, in the specific implementation process, the data acquisition node is set with fixed acquisition frequency, acquisition cycle and other related acquisition parameters.
[0058] It should be further explained that, in the specific implementation process, the process of the model building module building the corresponding regional building model based on the collected thermal pressure data includes:
[0059] Obtaining construction drawings corresponding to the corresponding underground buildings, and obtaining physical connection relationships between rooms and tunnels in the corresponding underground buildings based on the construction drawings, and dividing the target underground buildings into regions based on the construction drawings to obtain a plurality of sub-regions;
[0060] Setting a capture terminal, and collecting relevant building parameters in the corresponding sub-area based on the capture terminal, wherein the building parameters include relevant data such as the length, volume, and geometric shape of the corresponding sub-area;
[0061] Based on digital twin technology and combined with the obtained building parameters, a regional twin model corresponding to the corresponding sub-area is constructed;
[0062] Further, based on the obtained physical connection relationship, the regional twin models corresponding to all the obtained sub-regions are combined to obtain a corresponding regional twin model;
[0063] It should be further explained that, in the specific implementation process, the process of obtaining the corresponding grid graph model includes:
[0064] Reading the collected heat-pressure data, constructing a two-dimensional rectangular coordinate system with respect to the heat-pressure data in time, obtaining a corresponding two-dimensional rectangular coordinate system, and mapping the collected heat-pressure data into the corresponding two-dimensional rectangular coordinate system to obtain a corresponding heat-pressure change curve, wherein the heat-pressure change curve includes but is not limited to a temperature change curve, an air pressure change curve, and a flow rate change curve;
[0065] Taking a certain sub-region as an example, a flow velocity change curve corresponding to a corresponding monitoring point in the corresponding sub-region is obtained, and based on the flow change curve, flow velocity characteristics corresponding to the corresponding monitoring point and flow velocity change characteristics between adjacent monitoring points are obtained;
[0066] At the same time, the temperature change curves of all monitoring points in the corresponding sub-region are obtained, and the temperature change characteristics of the corresponding monitoring points are obtained based on the temperature change curves. Then, based on the temperature change characteristics in the corresponding monitoring points, it is determined whether there is a high-temperature area in the corresponding sub-region. If not, any other operations are performed; if there is a high-temperature area, the corresponding high-temperature position is determined based on the temperature change characteristics and marked as the heat source position;
[0067] Then, based on the velocity characteristics corresponding to the monitoring points and the velocity variation characteristics between adjacent monitoring points, the regional twin model corresponding to the corresponding sub-region is subjected to structured grid processing in combination with the structured grid technology, and the regional twin model after the structured grid processing is subjected to virtual processing to obtain the corresponding grid unit;
[0068] Then, based on the physical connection relationship, the grid units corresponding to all sub-areas are connected to obtain a corresponding initial grid model;
[0069] Further, the obtained heat source position is mapped to the constructed initial grid model; and the grid units in the corresponding initial grid model are recalibrated based on the heat source position, and after the calibration is completed, a corresponding grid graph model is obtained, wherein the grid graph model is composed of a plurality of connected sub-units, wherein the sub-unit is a recalibrated grid unit, and each sub-unit has only two monitoring points;
[0070] It should be further explained that, in the specific implementation process, the data analysis module performs data analysis on the corresponding hot-pressing flow process based on the constructed grid graph model, and determines whether there is an abnormality in the corresponding hot-pressing flow process based on the analysis results. If there is an abnormality, the process of generating a corresponding abnormal warning includes:
[0071] Read the collected heat pressure data, and obtain the heat source position and heat source intensity in the corresponding underground building group based on the temperature data in the heat pressure data;
[0072] Based on CFD simulation technology, data simulation is performed in combination with the collected thermal pressure data and the obtained heat source position and heat source intensity to obtain the corresponding simulated heat source information;
[0073] At the same time, the collected heat pressure data is input into the constructed grid graph model for simulation to obtain the corresponding simulation heat source information;
[0074] The corresponding simulated heat source information and the simulated heat source information are respectively calculated for deviations of various index data in the collected heat pressure data to obtain corresponding simulated deviation values and simulated deviation values;
[0075] Construct a two-dimensional rectangular coordinate system with time as the horizontal axis and the deviation value as the vertical axis, and map the corresponding simulation deviation value and the simulated deviation value into the corresponding two-dimensional rectangular coordinate system respectively to obtain a corresponding deviation scatter plot, wherein the deviation scatter plot includes a simulation scatter plot and a simulation scatter plot; the simulation scatter plot and the simulation scatter plot both include a temperature scatter plot, an air pressure scatter plot and a flow velocity scatter plot;
[0076] Based on the statistical method, the corresponding simulation scatter plot and the scatter point parameters corresponding to the simulation scatter plot are respectively obtained, and the scatter point parameters include mean square error, root mean square error, and correlation coefficient; wherein the correlation coefficient is an indicator for measuring the strength and direction of the relationship between the simulation scatter plot and the indicator data at the same time in the simulation scatter plot; it is mainly used to describe the linear relationship between the indicator data;
[0077] Set the scatter point threshold. If all parameters in the scatter point parameters meet the scatter point threshold, no other operations will be performed;
[0078] If at least one of the parameters in the scatter point parameters does not meet the scatter point threshold, an error estimation is performed based on the grid graph model. The corresponding error estimation process is as follows:
[0079] Obtaining the constructed grid graph model, and mapping the collected heat and pressure data to the sub-units in the corresponding grid graph model;
[0080] Select a subunit in the corresponding grid graph model and mark it as subunit i. At the same time, obtain the adjacent subunits coplanar with the corresponding subunit i and mark them as j, where j=1, 2, ..., n, n>0, and n is a constant, and n represents the total number of subunits adjacent to the subunit i;
[0081] The grid size items in the corresponding subunits i and j are increased, and the pseudo-gradient coefficients are constructed. The corresponding construction formula is as follows: Q ij =|qi-qj|×(D ij ) l ; Wherein, Qij represents the pseudo-gradient coefficient, qi and qj represent the flow change values corresponding to the corresponding subunit i and subunit j, respectively, and the flow change value corresponds to the data deviation value (such as temperature deviation) at the monitoring point in the corresponding subunit;
[0082] Based on the shock wave identification method, the error estimation coefficient of subunit i is obtained, and the corresponding calculation formula is as follows: ei = max(Q ij );
[0083] The same method as that for obtaining the error estimation coefficients is used to obtain the error estimation coefficients corresponding to all sub-units;
[0084] Set the error standard. If the error estimation coefficient meets the error standard, it indicates that the thermal pressure flow process of the corresponding underground building is abnormal; if an abnormal warning is generated;
[0085] If at least one of the error estimation coefficients does not meet the error standard, the error estimation coefficient is fed back to the monitoring center, and the management personnel in the monitoring center correct the corresponding grid graph model based on the error estimation coefficient. After the correction is completed, the simulation is performed again to obtain new simulation thermal pressure information, and the above-mentioned scatter point parameter acquisition process is repeated, and so on;
[0086] It should be further explained that, in a specific implementation process, the process in which the data feedback module is used to provide feedback on the corresponding hot-pressing flow process based on the generated abnormal warning includes:
[0087] Obtain the generated abnormal warning, and based on the abnormal warning, mark the subunits whose corresponding error estimation coefficients do not meet the error standard and whose scatter point parameters do not meet the scatter point threshold in red, so as to facilitate the corresponding staff to issue an early warning;
[0088] Building a heat pressure learning library based on big data, wherein the heat pressure learning library stores historical heat pressure control strategies of corresponding underground buildings and historical heat pressure data corresponding to the corresponding control processes;
[0089] Then, an initial thermal pressure database is constructed by numerical simulation based on CFD simulation technology. The initial thermal pressure database continuously updates the data stored in the internal thermal pressure learning library to obtain a thermal pressure database. The thermal pressure database stores several thermal pressure control strategies and corresponding thermal pressure change curves.
[0090] The hot-pressure data corresponding to the corresponding sub-unit is transmitted to the corresponding hot-pressure database, and the corresponding simulated hot-pressure information and the corresponding hot-pressure adjustment strategy are obtained through the hot-pressure control strategy and the hot-pressure change curve in the hot-pressure database; the corresponding simulated hot-pressure information is compared with the historical hot-pressure data in the hot-pressure learning library, and the simulated hot-pressure data is corrected according to the historical hot-pressure data, and then the hot-pressure adjustment strategy corresponding to the corresponding simulated hot-pressure information is corrected according to the correction result. After the correction is completed, the final hot-pressure adjustment strategy is obtained and fed back to the monitoring center, so that the staff can adjust the sub-unit with abnormal hot-pressure flow state processing.
[0091] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.
Claims
1. A thermal pressure flow monitoring system based on a structured grid graph, characterized in that: It includes a monitoring center, wherein the monitoring center is connected in communication with a data acquisition module, a model building module, a data analysis module and a data feedback module; The data acquisition module is used to collect data on the thermal pressure flow process of the target underground building to obtain corresponding thermal pressure data; The model building module is used to build a corresponding regional building model based on the collected heat pressure data, and perform grid processing on the corresponding regional building model to obtain a corresponding grid graph model; The data analysis module is used to perform data analysis on the corresponding hot-pressing flow process based on the constructed grid graph model, and determine whether there is an abnormality in the corresponding hot-pressing flow process according to the analysis result, and if there is an abnormality, generate a corresponding abnormality warning; The data feedback module is used to provide feedback on the corresponding hot pressure flow process based on the generated abnormal warning.
2. The thermal pressure flow monitoring system based on structured grid graph according to claim 1, characterized in that: The data acquisition module acquires data on the thermal pressure flow process of the target underground building, and the process of obtaining corresponding thermal pressure data includes: The data acquisition module is provided with a plurality of data acquisition nodes, and based on the data acquisition nodes, the thermal pressure flow information at the monitoring points in the corresponding underground building is collected to obtain the corresponding thermal pressure data, and the thermal pressure data includes temperature, air pressure and flow rate; after the collection is completed, the collected thermal pressure flow information is uploaded to the corresponding monitoring center and stored.
3. The thermal pressure flow monitoring system based on structured grid graph according to claim 2, characterized in that: The process of constructing a corresponding regional building model based on the collected thermal pressure data by the model construction module includes: Obtaining construction drawings corresponding to the corresponding underground buildings, and obtaining physical connection relationships between rooms and tunnels in the corresponding underground buildings based on the construction drawings, and dividing the target underground buildings into regions based on the construction drawings to obtain a plurality of sub-regions; Setting a capture terminal, and collecting relevant building parameters in the corresponding sub-area based on the capture terminal; constructing a regional twin model corresponding to the corresponding sub-area based on the digital twin technology and in combination with the collected building parameters; Based on the obtained physical connection relationship, the regional twin models corresponding to all the obtained sub-regions are combined to obtain the corresponding regional twin model.
4. The thermal pressure flow monitoring system based on structured grid graph according to claim 3 is characterized in that: The process of obtaining the corresponding grid graph model includes: Constructing a two-dimensional rectangular coordinate system, and mapping the collected heat pressure data into the corresponding two-dimensional rectangular coordinate system to obtain a corresponding heat pressure change curve, wherein the heat pressure change curve includes a temperature change curve, an air pressure change curve, and a flow rate change curve; Obtaining a flow velocity change curve corresponding to a corresponding monitoring point in a corresponding sub-area, and obtaining a flow velocity characteristic corresponding to the corresponding monitoring point and a flow velocity change characteristic between adjacent monitoring points based on the flow change curve; At the same time, the temperature change curves of all monitoring points in the corresponding sub-area are obtained, and based on the temperature change characteristics and heat source positions of the corresponding monitoring points are obtained; Based on the velocity characteristics corresponding to the monitoring points and the velocity variation characteristics between adjacent monitoring points, the regional twin model corresponding to the corresponding sub-region is subjected to structured grid processing in combination with the structured grid technology, and the regional twin model after the structured grid processing is subjected to virtual processing to obtain the corresponding grid unit; Then, based on the physical connection relationship, the grid units corresponding to all sub-areas are connected to obtain a corresponding initial grid model; The obtained heat source position is mapped to the constructed initial grid model; and the corresponding initial grid model is calibrated based on the heat source position to obtain a corresponding grid graph model; the grid graph model is composed of a number of connected sub-units.
5. The thermal pressure flow monitoring system based on structured grid graph according to claim 4, characterized in that: The process of the data analysis module performing data analysis on the corresponding hot-pressing flow process based on the constructed grid graph model includes: Reading the collected heat pressure data, and acquiring the corresponding heat source position and heat source intensity based on the heat pressure data; Based on CFD simulation technology, data simulation is performed in combination with the collected thermal pressure data, heat source position and heat source intensity to obtain the corresponding simulated heat source information; At the same time, the collected heat pressure data is input into the constructed grid graph model for simulation to obtain the corresponding simulation heat source information; The corresponding simulated heat source information and the simulated heat source information are respectively calculated for deviations of various index data in the collected heat pressure data to obtain corresponding simulated deviation values and simulated deviation values; A two-dimensional rectangular coordinate system is constructed with time as the horizontal axis and the deviation value as the vertical axis, and the corresponding simulation deviation value and the simulated deviation value are respectively mapped into the corresponding two-dimensional rectangular coordinate system to obtain a corresponding deviation scatter plot; Based on the statistical method, the corresponding simulation scatter plot and the scatter point parameters corresponding to the simulated scatter plot are obtained respectively.
6. The thermal pressure flow monitoring system based on structured grid graph according to claim 5, characterized in that: Based on the analysis results, it is determined whether there is an abnormality in the corresponding hot pressure flow process. If there is an abnormality, the process of generating a corresponding abnormal warning includes: Set the scatter point threshold. If all parameters in the scatter point parameters meet the scatter point threshold, no other operations will be performed; If at least one of the parameters in the scatter point parameters does not meet the scatter point threshold, error estimation is performed based on the grid graph model to obtain a corresponding error estimation coefficient; The same method as that for obtaining the error estimation coefficients is used to obtain the error estimation coefficients corresponding to all sub-units; Set the error standard. If the error estimation coefficient meets the error standard, it indicates that the thermal pressure flow process of the corresponding underground building is abnormal; if an abnormal warning is generated; If at least one of the error estimation coefficients does not meet the error standard, the error estimation coefficient will be fed back to the monitoring center, and the management personnel in the monitoring center will correct the corresponding grid diagram model based on the error estimation coefficient. After the correction is completed, the simulation will be performed again to obtain new simulated thermal pressure information, and the above-mentioned scatter point parameter acquisition process will be repeated, and so on.
7. The thermal pressure flow monitoring system based on structured grid graph according to claim 6, characterized in that: The process of obtaining the error estimate coefficients includes: Obtain a subunit i in the corresponding grid graph model, and at the same time, obtain an adjacent subunit j that is coplanar with the corresponding subunit i; The grid size items in the corresponding sub-unit i and sub-unit j are increased, and a pseudo-gradient coefficient is constructed; and the corresponding error estimation coefficient is obtained based on the obtained pseudo-gradient coefficient.
8. The thermal pressure flow monitoring system based on structured grid graph according to claim 6, characterized in that: The process of the data feedback module for providing feedback on the corresponding hot-pressing flow process based on the generated abnormal warning includes: Obtain the generated abnormal warning, and based on the abnormal warning, mark the subunits whose corresponding error estimation coefficients do not meet the error standard and whose scatter point parameters do not meet the scatter point threshold as red, and feed back to the monitoring center; Building a heat pressure learning library based on big data, wherein the heat pressure learning library stores historical heat pressure control strategies of corresponding underground buildings and historical heat pressure data corresponding to the corresponding control processes; An initial thermal pressure database is constructed by numerical simulation based on CFD simulation technology, wherein the initial thermal pressure database continuously updates the data stored inside through a thermal pressure learning library to obtain a thermal pressure database; The heat-pressure data corresponding to the corresponding sub-unit is transmitted to the corresponding heat-pressure database, and the corresponding simulation heat-pressure information and the corresponding heat-pressure adjustment strategy are obtained through the heat-pressure control strategy and the heat-pressure change curve in the heat-pressure database; the corresponding simulation heat-pressure information is compared with the historical heat-pressure data in the heat-pressure learning library, and the simulation heat-pressure data is corrected according to the historical heat-pressure data, and then the heat-pressure adjustment strategy corresponding to the corresponding simulation heat-pressure information is corrected according to the correction result. After the correction is completed, the final heat-pressure adjustment strategy is obtained and fed back to the monitoring center.
Citation Information
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