Intelligent inspection system and method for state maintenance of power plant equipment

CN122089289AActive Publication Date: 2026-05-26NANJING ARCHERMIND POWER INFORMATION TECH CO LTD
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Patent Information

Application Number
CN202610533425.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-22
Publication Date
2026-05-26
Estimated Expiration
2046-04-22

AI Technical Summary

Technical Problem

Existing intelligent inspection systems for condition-based maintenance of power plant equipment lack logical closed-loop and root cause tracing capabilities when locating faults, leading to misallocation of maintenance resources, low efficiency, and an inability to effectively distinguish the transmission relationships between equipment, often resulting in unnecessary shutdowns.

Method used

Construct a directed operating condition topology transmission chain at the equipment level. Based on the actual transmission relationship of process flow, energy flow and control flow, identify anomalies by collecting equipment parameters and trace them step by step to form a structured transmission relationship library, so as to realize the quantitative determination of the root cause of the fault and the handling of multi-source superposition anomalies.

Benefits of technology

It improves the accuracy and comprehensiveness of fault location, reduces reliance on human experience, and significantly enhances the precision and efficiency of equipment condition-based maintenance.

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Abstract

The invention discloses an intelligent inspection system and method for state maintenance of power plant equipment, and relates to the technical field of intelligent inspection. The system comprises a conduction chain construction module, an abnormity identification module, a root node tracing module and a maintenance execution module. According to the method, verification and data archiving are completed by constructing an equipment-level directed working condition topological conduction chain and a structured conduction relation library, collecting measurement point parameters, identifying abnormal measurement points and locking downstream nodes, upward tracing and determining fault root nodes, generating a conduction path and executing targeted maintenance. According to the invention, accurate traceability of faults is realized, false alarm and missing alarm are reduced, inspection efficiency and maintenance pertinence are improved, and stable operation of power plant equipment is guaranteed.
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Citation Information

Patent Citations

  • Acquisition reminding and life cycle abnormal data analysis method

    CN118940837A

  • Power equipment fault positioning and maintenance decision-making method based on knowledge graph reasoning

    CN121637027A

  • Multi-agent collaborative power station index anomaly root cause step-by-step tracing method

    CN121834588A