Multi-physical-quantity monitoring system for urban underground comprehensive pipe gallery

Abstract

The invention discloses a multi-physical-quantity monitoring system for an urban underground comprehensive pipe gallery. The system consists of a computer, a first communication interface, a second communication interface, a laser group, a multipath optical switch, a multi-mode fiber sensing group, a single-mode fiber sensor group, a fiber bragg grating sensor group, an optical fiber gas sensor group, a photoelectric detector group, and a data collector. The system can automatically control and switch the laser group to output layer and an output optical path of a related optical output port of the multi-path optical switch. The multi-path optical switch is controlled through the communication interface to achieve the polling collection of the sensor group, and carries out the multi-physical-quantity multi-point superlong distance monitoring and control of the pipe gallery. The system reliably achieves the effective comprehensive monitoring of the urban underground comprehensive pipe gallery. Compared with the prior art, the system is excellent in substantive distinguishing features and remarkable progress. The system has a strong positioning function, is high in measurement precision, is long in service life, integrates many functions on one pipe gallery, and is suitable for the popularization in a city.

Description

technical field [0001] The invention relates to the monitoring technology of urban underground pipe gallery, in particular to the measurement and monitoring of multiple physical parameters such as temperature, humidity, stress change and gas of urban underground pipe gallery. It is a multi-functional urban underground pipe corridor monitoring technology that effectively eliminates underground safety hazards. Background technique [0002] Urban underground pipe gallery is an important part of urban infrastructure. For a long time, my country's urban underground pipe corridors have presented a chaotic state of management with multiple government departments, multiple jurisdictions, multiple users, and multiple instruments and devices. Seriously affected the quality and efficiency of urban operation. With the establishment of large-scale cities, the comprehensive management of urban underground pipe corridors has been highly valued by the state and governments at all levels, ...

AI Technical Summary

Problems solved by technology

[0003] The present invention is to provide a multi-physical quantity monitoring system for urban underground comprehensive utility corridors, which mainly solves the problem that the monitoring distance of existing urban underground comprehensive utility corridors is too long, the monitoring content is complex, there are many types of monitoring, and high precision is required. The existing control device Not applicable, unable to meet monitoring needs

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