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ZANGETSU slope angle monitoring system that measures changes in bridges with high precision after heavy rain disasters and prevents accidents-ZANGETSU
ZANGETSU slope angle monitoring system that measures changes in bridges with high precision after heavy rain disasters and prevents accidents-Japan Temporary Co., Ltd.

ZANGETSU slope angle monitoring system that measures changes in bridges with high precision after heavy rain disasters and prevents accidents
Japan Temporary Co., Ltd.


About This Product

■Summary

Heavy rain disasters have been increasing in recent years, leading to landslides and bridges being washed away. ZANGETSU (Tilt Angle Monitoring System) uses a long-life power supply that combines low-power, stable communication and small solar cells to operate stably even in cold regions of -30℃ and measures changes in tilt angle with high precision. If there is an abnormality, it will notify the administrator, so the administrator can monitor multiple measurement points without having to go to the site, making it possible to prevent major accidents that could lead to loss of life, such as bridge collapses or landslides. . Installation is easy and the tilt sensor's zero point can be adjusted remotely. *Listed in the Ministry of Land, Infrastructure, Transport and Tourism's "Inspection Support Technology Performance Catalog." Stable operation

■Long-life battery allows stable measurement even in cold regions

The newly developed MEMS sensor has an energy harvesting circuit that uses a small solar cell (125mm x 125mm) to extend its lifespan by 5 years. Assuming use in mountainous areas in cold regions, we have conducted research and development with the aim of reducing variations in measurement data and ensuring stable operation even in environments between -30°C and 60°C. As a result, maintenance only requires battery replacement in conjunction with bridge inspections.

■Stable LoRa communication even in mountainous areas

By installing LTE communication equipment as a gateway within the communication range of the LoRa communication system (within 15 km from the monitoring point), measurement data can be recorded to a cloud server via the Internet without being lost, even in uninhabited mountainous areas.

■Measures minute tilt changes of ±0.01° and detects warning signs

It monitors with high accuracy minute changes in slope angle due to deformation of bridge piers and abutments, and changes in slopes that are at risk of collapse due to localized heavy rain, etc., and detects signs of disaster (sending alerts via warning email). Disaster mitigation measures such as road closures can be taken before major damage occurs.

■Reducing the effects of vehicle vibration

The measurement accuracy is improved by using digital dampers and digital filters to measure the effects of bridge vibrations that occur when the vehicle is running, and by removing unnecessary data for judgment.

■Threshold judgment

Safety thresholds and email frequency can be freely set based on bridge technology. To prevent erroneous transmission, data that is not continuous will not be transmitted.

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    ZANGETSU slope angle monitoring system that measures changes in bridges with high precision after heavy rain disasters and prevents accidents

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1 Models of ZANGETSU slope angle monitoring system that measures changes in bridges with high precision after heavy rain disasters and prevents accidents

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ZANGETSU slope angle monitoring system that measures changes in bridges with high precision after heavy rain disasters and prevents accidents-Part Number-ZANGETSU

ZANGETSU

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