Low-cost landslide early warning recording device based on MEMS accelerometers

Abstract

The invention discloses a low-cost landslide early warning recording device based on MEMS accelerometers. The low-cost landslide early warning recording device is composed of a microprocessor, the MEMS accelerometers, a file system management chip, a Flash storage chip, a wireless serial port receiving and dispatching module, a GSM communication module, a GPS positioning module, setting buttons, a character type LED notice board, an audible and visual alarm, a lithium-ion battery, a solar cell panel and the like. After a system is started, real-time collecting and recording of acceleration are carried out on MEMS acceleration sensors distributed on all characteristic point locations of a measured mountain slope at a preset sampling rate, data are transmitted back to the system through a wireless communication network, comparative analysis is carried out on the data and a preset acceleration threshold value, whether mountain slope vibration abnormity warning is triggered or not is judged, and warning modes are divided into GSM short message sending warning and LED character notice audible and visual warning. The low-cost landslide early warning recording device based on the MEMS accelerometers is low in cost, high in reliability, flexible in layout and especially suitable for areas where geological disasters such as landslides occur easily.

Description

technical field [0001] The invention relates to the field of geological disaster monitoring and early warning, in particular to a low-cost rapid monitoring and early warning device for landslides. Background technique [0002] my country is a country with a high incidence of geological disasters and covers a wide area. According to incomplete statistics, various geological disasters, such as landslides, collapses, and mudslides, occur in our country every year. The safety of people's lives and property has become a serious hazard. At present, the monitoring and early warning methods for geological disasters such as landslides, collapses, and debris flows are mainly implemented through the government's land and resources department. The method is usually macroscopic anomaly observation, such as ground displacement monitoring, deep displacement monitoring, and even the use of scientific remote sensing satellites to monitor key areas. Position and take photos to analyze and jud...

AI Technical Summary

Problems solved by technology

However, the above-mentioned main monitoring methods all require professional technicians to use professional instruments for on-the-spot operation, the use cost is extremely high, and only a few key areas can be periodically monitored, and other geological disasters such as landslides can not be detected at the same time. Carry out comprehensive and effective early warning and monitoring in areas with hidden dangers

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