A bridge cable force detection system and method based on piezoelectric sensing and memory alloy
By using a piezoelectric sensor coupled with a shape memory alloy temperature control device and a load-sharing protection mechanism, the problems of large error, large temperature drift, and poor adaptability in bridge cable force detection have been solved. This has enabled high-precision, high-stability, all-weather online monitoring, which is suitable for real-time cable force detection of long-span bridges.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- GUILIN UNIV OF ELECTRONIC TECH
- Filing Date
- 2026-05-25
- Publication Date
- 2026-07-17
AI Technical Summary
Existing methods for detecting bridge cable tension have problems such as large errors, lack of failure protection, large size, large temperature drift, poor adaptability, and inability to conduct long-term stable online monitoring, making it difficult to meet the intelligent operation and maintenance needs of modern large-scale cable-stayed bridges.
Employing a piezoelectric sensor and a shape memory alloy temperature control coupling device, combined with a load balancing protection mechanism and a signal processing module, it achieves high-sensitivity force measurement, temperature control coupling, self-locking protection, and miniaturized embedded installation, and is equipped with a green and environmentally friendly recycled solid waste concrete model.
It achieves high precision, strong stability, good adaptability, and all-weather online monitoring, has failure safety protection, is environmentally friendly, and is suitable for real-time cable force detection of long-span bridges.
Smart Images
Figure CN122409030A_ABST