路桥隧道承压报警传感节点的设计与实现

传统方法存在报警效率较低，能量消耗大等问题，提出了路桥隧道承压报警传感节点的设计。根据传感节点整体架构图，设计传感节点硬件，并对承压报警传感、无线单片机和传感单元及接口电路模块展开分析；利用嵌入式底层驱动进行信息交互，构建通信协议，通过无线传感方式采集数据，并对传感节点部署。通过实验验证结果可知，该设计方法充分考虑数据获取情况，具有报警效率高、能量消耗小的优势，可实现路桥隧道安全运营。

Design and implementation of the pressure sensing sensor node in Luqiao tunnel

The traditional method has the problems of low alarm efficiency and high energy consumption, and puts forward the design of the Luqiao tunnel pressure alarm sensor node. According to the overall architecture of sensor nodes, the hardware design of sensor node, and the pressure sensor, MCU and wireless alarm sensing unit and the interface circuit module driver analysis; information interaction based on embedded bottom construction, communication protocol, collecting data through wireless sensor, and the deployment of sensor nodes. The experimental results show that the design method takes full account of data acquisition, and has the advantages of high alarm efficiency and small energy consumption, which can realize the safe operation of Luqiao tunnel.