A method and system for adaptive docking of multi-specification leads of a surge arrester

By fusing lead images, eddy current signals, and radial stiffness data using a multimodal sensing model, the problems of adaptability and consistency of crimping quality in multi-specification connection of arrester leads were solved. This enabled accurate identification of lead specification type and end oxidation degree, improving the reliability and anti-interference capability of arrester lead connection.

CN122131580AActive Publication Date: 2026-06-02LIAONING HONGYANHE NUCLEAR POWER
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LIAONING HONGYANHE NUCLEAR POWER
Filing Date
2026-04-29
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In the current process of connecting surge arrester leads, it is difficult to achieve adaptability of multi-specification leads and consistency of crimping quality, resulting in frequent hidden dangers such as incomplete connections and overheating. There is a lack of unified process parameter adaptation standards and comprehensive quantitative evaluation methods.

Method used

A multimodal sensing model is adopted, which combines lead wire image data, eddy current signal data and radial stiffness data. Through attention mechanism fusion, the lead wire specification type and end oxidation degree are identified. The mating process is matched according to the process database, and a hybrid control strategy of force sensing and electrical impedance dual feedback is adopted for crimping operation.

Benefits of technology

It enables accurate identification of surge arrester lead specifications and end oxidation levels, improves crimping quality and adaptability, enhances the reliability and anti-interference capability of the connection process, and ensures real-time monitoring and quality control of dynamic impedance curves.

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Abstract

This invention relates to the field of line installation technology and discloses an adaptive docking method and system for multi-specification surge arrester leads. The method includes: determining the specification type and end oxidation degree of the leads to be docked using a multi-modal sensing model based on acquired multi-modal data; the multi-modal sensing model is configured to fuse lead image data and eddy current signal data based on an attention mechanism, and to use radial stiffness data as a guiding signal to weight and enhance the fusion result of the attention mechanism; matching the corresponding docking process procedure from a process database based on the specification type, end oxidation degree, and radial stiffness data from the multi-modal data; and performing cleaning processing based on a target preprocessing strategy and crimping operation based on target crimping process parameters according to the docking process procedure to obtain the docking result. The method provided in this application improves the adaptability and crimping quality of surge arrester lead docking.
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