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Debris flow disaster detector based on omnibearing visual range

An all-round vision and disaster detection technology, applied to measuring devices, buoy liquid level indicators, instruments, etc., can solve problems such as troublesome maintenance, poor reliability, and poor sensitivity

Inactive Publication Date: 2007-07-11
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0011] In order to overcome the deficiencies of the existing debris flow detection system, such as low precision, poor sensitivity, cumbersome maintenance, and poor reliability, the present invention provides a comprehensive vision-based Debris flow disaster detection device

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  • Debris flow disaster detector based on omnibearing visual range
  • Debris flow disaster detector based on omnibearing visual range
  • Debris flow disaster detector based on omnibearing visual range

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Embodiment Construction

[0149] The present invention will be further described below in conjunction with the accompanying drawings.

[0150]Referring to Figures 1 to 8, a debris flow disaster detection device based on omnidirectional vision includes an omnidirectional visual sensor for monitoring the water level of the mountain to be measured and the rain collection device, a rain collection device and a disaster detection device based on video signals. The microprocessor, the omnidirectional vision sensor is installed above the ditch bed of the mountain body to be measured, the output of the omnidirectional vision sensor is connected to the microprocessor, and the omnidirectional vision sensor includes objects used for reflection monitoring in the field The outer convex catadioptric mirror 1, the black cone 2 used to prevent light refraction and light saturation, the transparent cylinder 3 and the camera 5, the outer convex catadioptric mirror 1 is located above the transparent cylinder 2, and the ou...

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Abstract

The omnibearing debris flow disaster check device comprises the water level omnibearing visual sensor monitoring the slope to be checked and rain collector, microprocessor for disaster inspector through video signal, with the said onmibearing visual sensor installed on the top of the groove of the slope and its output connected with the microprocessor, the said rain collecting device composed of water container, tipping bucket with floating mark for showing the water level of the water container, the said microprocessor composed of visual sensor marking module, floating mark location sampling module, rain fall intelligent computation module, simulating debris flow rain intensity computation module, and debris flow pre warning module. It has high precision, sensitivity, low maintenance, reliability and long durability.

Description

(1) Technical field [0001] The invention belongs to omnidirectional visual sensing technology, computer image processing technology, multimedia technology, wireless network communication technology, debris flow ground sound detection technology, surface activity observation technology when geological disasters occur, and rainfall visualization technology in geological disaster prediction and early warning. The application is mainly suitable for monitoring mountainous areas and rivers where geological disasters occur frequently, and reducing the loss of life and property of local people. The invention relates to a debris flow disaster detection device. (2) Background technology [0002] Debris flow is a solid-liquid two-phase fluid filled with a large amount of sand, stones and boulders. It is in the state of viscous laminar flow or dilute turbulent flow, and is the result of the combined effects of various natural factors (geology, landform, hydrology, meteorology, soil, veg...

Claims

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Application Information

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IPC IPC(8): G01W1/00G01W1/14G01F23/30
Inventor 汤一平杨仲远金海明严海东柳圣军楼勇攀周宗思尤思思贺武杰赵煦华
Owner ZHEJIANG UNIV OF TECH
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