Urban drainage pipe network intelligent health analysis system based on multi-mode twinborn deduction

Through the multimodal twin deduction of the urban drainage network intelligent health analysis system, the problem of inaccurate coupling between wellhead elevation and terrain elevation is solved. A high-precision three-dimensional model is constructed and dynamically adjusted, which improves the accuracy and stability of the drainage system, reduces the risk of flow state misjudgment, and improves the safety and management efficiency of the drainage system.

CN120671577APending Publication Date: 2025-09-19HEBEI TONGTAO PIPE CO LTD
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Patent Information

Application Number
CN202510650959.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-20
Publication Date
2025-09-19

AI Technical Summary

Technical Problem

In the three-dimensional modeling of urban drainage pipeline networks, the wellhead elevation is not accurately coupled with the terrain elevation, resulting in misjudgment of the wellhead height in the model, affecting the judgment of the free surface flow and pressure flow states. In particular, in low-lying areas, this may lead to misjudgment of the risks of backflow, overflow, or water hammer.

Method used

The intelligent health analysis system for urban drainage pipeline networks using multimodal twin deduction constructs a high-precision three-dimensional model through the three-dimensional modeling module, topological relationship construction module, characteristic parameter extraction module, coupling accuracy assessment module and flow state misjudgment risk prediction module, combined with GIS and BIM data, extracts the residual height gradient of the wellhead terrain and the height difference offset index of the historical waterlogging point, evaluates the accuracy of the coupling between the wellhead elevation and the DEM, and corrects the elevation parameters of highly sensitive wellheads through the dynamic adjustment module.

Benefits of technology

The precise coupling of wellhead elevation and DEM is achieved, which improves the accuracy and stability of the digital twin model of the drainage system, reduces the risk of misjudgment of flow state, and improves the safety and management efficiency of the drainage system.

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Abstract

The invention discloses an urban drainage pipe network intelligent health analysis system based on multi-modal twin deduction, relates to the technical field of drainage pipe network monitoring, and constructs an analysis system composed of a three-dimensional modeling module, a topological relation construction module, a characteristic parameter extraction module, a coupling accuracy evaluation module, a flow state misjudgment risk prediction module, a dynamic adjustment module and the like. By extracting a wellhead terrain residual height gradient and a historical waterlogging point height difference offset index and combining local hydraulic simulation and error sensitivity index analysis, classified recognition and dynamic correction of wellhead modeling deviation are achieved, the elevation coupling precision and hydraulic simulation reliability of a drainage pipe network model are effectively improved, and the method is suitable for large-scale popularization and application. Therefore, the intelligent monitoring, risk early warning and decision support capabilities of the urban drainage system are enhanced.
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