一种多参数滑坡监测仪设计

Design of a Multi-parameter Landslide Monitor

为对滑坡深部应力、倾角、含水率等参数及滑坡地表裂缝位移、降雨量等参数进行综合监测,该文设计了一种准分布式滑坡监测装置,装置可实现对滑坡地表裂缝和深部倾角的准分布式测量。装置以STM32单片机为核心,利用编解码芯片PT2272与PT2262进行远程通信与控制,以提高控制可靠性,结合位移、倾角等传感器,通过设计切换模块电路,信号调理电路和AD采集电路完成了监测仪硬件设计,通过对STM32单片机编程和LCD组模人机界面设计,完成了系统软件。野外实地测试证明,监测装置实现了对滑坡地表位移和深部倾角的实时监测,且具有实用性和稳定性的特点。

In order to comprehensively monitor the parameters of stress,dip angle and water content at the deep part of landslide as well as parameters of the displacement and rainfall of landslide surface crack,we have designed a quasi-distributed landslide monitoring device which can carry out the quasi-distributed measurement on landslide surface cracks and dip angle at the deep part of landslide. By using single-chip microcomputer of STM32 as its core,the device employs the encoding-decoding chips of PT2272 and PT2262 to implement the telecommunication and control,thereby,improving the reliability of control. By combining with sensors of displacement and dip angle,the hardware design of the monitor has been implemented through the design of switching module circuit,signal conditioning circuit and AD acquisition circuit. Through the programming of STM32 microcontroller and human-machine interface design of LCD module,the system software has been completed. The field test demonstrates that the monitoring device realizes the real-time monitoring of the landslide surface displacement and deep dip,and has the characteristics of practicability and stability.