基于物联网的地下工程安全监测云平台研发及系统集成

The Development and Intergration of Safety Monitoring Cloud Platform of Underground Construction Utilizing the Internet of Things(IoT)

我国地铁与隧道累计总里程近25000 km,地下施工需求巨大,由于环境复杂与自然灾害的突发性,地下工程施工事故频发,施工安全监测工作重要性尤为突出。为实现安全施工,实施自然灾害监测预警信息化工程,提高多灾种和灾害链综合监测,应用智能算法实现全面快速精准感知、全风险施工预警。通过研究基于定向天线网桥的自组网传输、物联网边端计算软件开发、物联网平台多类型传感器接入、监测平台前后端开发等相关内容,建立具备边缘计算能力的智能安全监测一体化网络架构,实现监测大数据分析可视化。引入物联网、云计算等新技术,将海量传感器数据接入平台、充分进行大数据挖掘,智能化安全隐患识别,降低工程安全风险。最终实现在平台中同时接入十万级别的传感器节点,并通过边缘设备的即时反馈,配合传感器采集间隔,完成地下施工现场秒级报警的完整监测系统。

The cumulative length of subways and tunnels in China has reached nearly 25000 kilometers,bringing huge demand for underground construction.The monitoring for construction safety has become more significant,due to complicated environment and rapid-onset natural disasters,which raises the frequency of accidents in underground construction.The informatization engineering of monitoring and early-warning on natural disasters is built to achieve construction safety,through promoting integrated monitoring on multi-hazard and disaster chains,and practicing intelligent algorithms on comprehensive quick accurate perception and early-warning of construction hazards.The integrated network architecture for intelligent safety monitoring with edge-computing ability is established,realizing the visualization of monitoring data analysis through researches on AD hoc transmission based on directional antenna network bridge,development of IoT edge computing software and researches on accessing to IoT platform for multiple types of sensors,and development of the front-end and back-end of the monitoring system.The introduction of IoT and cloud computing sustains accessing to platform for huge amount of sensors and full exploiting of big-data mining,improving intelligent safety hazard identification,and reducing safety risks in construction.Based on the instant response of edge devices and interval data acquisition of sensors,and the capability for more than 100000 sensors to access the system simultaneously,the complete monitoring system for underground constructions with second-level warning is established.