Multifunctional highway guardrail

By integrating synesthesia integrated composite optical cable and fiber optic signal demodulator in highway guardrails and combining solar and wind power supply, the monitoring problems caused by roadbed deformation and weather changes in highway guardrails are solved, real-time monitoring of guardrail deformation and stable system operation are achieved.

CN119877432AInactive Publication Date: 2025-04-25BEIJING BESTONE PIPELINE TECH CO LTD
7 Cites 1 Cited by

Patent Information

Application Number
CN202510065855.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-04-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing highway guardrails are deformed due to roadbed settlement, uplift, displacement and collapse, and early warning cannot be effectively monitored and early warning, and weather changes and guardrail corrosion have led to a decrease in monitoring stability and accuracy.

Method used

A multi-function highway guardrail is designed, using the main body of the guardrail, synesthesia integrated composite optical cable, guardrail abnormal signal monitoring host and alarm unit, and the strain and vibration of the guardrail are monitored in real time through the optical fiber signal demodulator, combining the dual power supply method of solar energy and wind energy to ensure the continuous operation and stability of the monitoring system.

Benefits of technology

Real-time monitoring of the deformation of highway guardrails is realized, the accuracy and timeliness of monitoring are improved, the stable operation of the monitoring system is ensured, the frequency of manual patrols is reduced, and the real-time and accuracy of highway safety monitoring is improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119877432A_ABST
    Figure CN119877432A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of expressway safety management, in particular to a multifunctional expressway guardrail integrated with a distributed optical fiber transmission risk monitoring and early warning function. The invention discloses a sensing integrated composite optical cable which comprises a temperature, vibration and strain sensing optical fiber and a communication optical fiber. A distributed optical fiber temperature, vibration and strain signal demodulation unit; the power supply unit is used for supplying power to the optical fiber signal demodulator; and the alarm unit is used for determining the power supply proportion of solar energy and wind energy according to the fluctuation amplitude of the power supply voltage. According to the invention, monitoring and early warning of various risks in a large range of the whole road section of the expressway by using the guardrail are realized.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • Multifunctional guardrail for expressway

    CN114808803A

  • High-sensitivity optical fiber stress sensing photoelectric composite cable

    CN103985466A

  • Steel barrier adopting adjoined distribution type optical fiber sensing technique and use method of steel barrier

    CN105862626A

  • Photoelectric hybrid cable with high tensile strength and capable of monitoring water seepage

    CN112086232A

  • Expressway guardrail system based on optical fiber sensing technology and alarm method

    CN116935604A

Cited By

  • Railway slope fence with early warning and alarming functions based on optical fiber composite sensing

    CN121654281A