Collapse monitoring device based on omnibearing tilt sensor

A technology of tilt sensor and monitoring device, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of untimely discovery and manual inspection, and achieve the effect of high automation level, high reliability, and overcoming manual inspection

Active Publication Date: 2010-10-13
ZHEJIANG UNIV OF TECH
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  • Claims
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Problems solved by technology

[0005] In order to overcome the deficiencies of the existing debris flow and landslide monitoring methods, which mainly rely on manual investigation and untimely discovery, the present invention provides a comprehensive sensing monitoring method, simple maintenance and adjustment, strong real-time performance, safety and reliability, and low Power-consuming, event-triggered landslide monitoring device based on omnidirectional tilt sensor

Method used

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  • Collapse monitoring device based on omnibearing tilt sensor
  • Collapse monitoring device based on omnibearing tilt sensor
  • Collapse monitoring device based on omnibearing tilt sensor

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Embodiment 1

[0020] refer to Figure 1 ~ Figure 4 , a landslide monitoring device based on an omnidirectional tilt sensor, hereinafter referred to as the monitoring device. The monitoring device includes an omnidirectional tilt sensor and an acousto-optic alarm unit; Displacement is used to monitor whether debris flow and landslide occur; in the present invention, two methods are used to detect the displacement of the monitored ground surface, one of which is to make a force sensor network, so that the force when debris flow and landslide occurs can act on the force sensor. On the sensor network, the specific method is to bury a row of vertical poles on the ground in areas where debris flows and landslides may occur. The vertical poles are made of cement steel bars. The depth of the vertical poles is more than 0.5 meters. The upper end of the vertical poles is about 2 meters away from the ground. The distance between the poles is 3 to 5 meters, and the poles are connected with cables. The ...

Embodiment 2

[0025] refer to Figure 1 to Figure 5, the rest are the same as in Embodiment 1, the difference is the arrangement of the omnidirectional inclination sensor, in embodiment 2 the omnidirectional inclination sensor 9 is placed in the ground surface to be monitored, as attached Figure 5 As shown, the placement depth is between 10cm and 60cm. The selection of the embedding point for placing the omni-directional inclination sensor on the ground surface to be monitored needs to consider the gradient of the slope and the soft soil on the surface. Generally speaking, for slopes ≥30° and soft soil On the texture surface, especially in areas where the historical seasonal, monthly and daily rainfall exceeds the specified threshold, the density of the buried points of the omni-directional tilt sensor should be increased appropriately, and an omni-directional tilt sensor should be buried in an area of ​​30 square meters to 100 square meters. Sensor; when a landslide occurs, the displaceme...

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Abstract

The invention relates to a collapse monitoring device based on an omnibearing tilt sensor, which comprises an omnibearing tilt sensor and a sound and light alarm unit. The operational principle for monitoring debris flows and collapse is as follows: the surface displacement of soil to be monitored is detected by utilizing the omnibearing tilt sensor to judge portents and states before the advent of debris flows and collapse. The invention provides the collapse monitoring device based on the omnibearing tilt sensor by adopting an omnibearing sensing monitoring method has the advantages of simple maintenance and adjustment, strong real-time property, safety and reliability, low power consumption, accident triggering, wide monitoring range, convenient construction and maintenance, low implementation cost, free maintenance, high reliability, and the like and is particularly suitable for the safety monitoring of mountain regions with high debris flow and collapse frequencies.

Description

technical field [0001] The invention relates to a landslide monitoring device, which belongs to the application of tilt monitoring technology in the monitoring of natural disasters such as debris flows and landslides, and is mainly suitable for monitoring natural disasters such as areas where people live in areas where debris flows and landslides occur frequently. Background technique [0002] The extreme meteorological phenomena brought about by the warming of the earth are increasing day by day, and the hazards caused by natural disasters such as mudslides and landslides to people's lives are also increasing; loss is of great significance. [0003] The Chinese Invention Patent No. 200580028027.0 has invented a method and sensor for measuring and analyzing landslides, so that based on the measurement of the slope surface, the risk of underground landslides of the slope can be accurately monitored. This method of measuring and analyzing landslides comprises the steps of: se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/00
Inventor 汤一平汤晓燕杨仲元俞立
Owner ZHEJIANG UNIV OF TECH
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