Equipment for submarine landslide monitoring

Abstract

The invention discloses a piece of equipment for submarine landslide monitoring. The equipment comprises a long rod-shaped sealing housing. A magnetic sensing mechanism is arranged inside the sealing housing. The magnetic sensing mechanism comprises a movable rod and a measuring rod. The upper end of the measuring rod is provided with a hollow chamber. The lower end of the movable rod is clamped inside the hollow chamber in a rotatable way. The hollow chamber bottom is provided with a magnetic sensing chip. The lower end of the movable rod is fixedly provided with a magnetic induction sheet. A power supply module, a control module and a storage module are further arranged inside the sealing housing. The control module comprises a controller, a clock circuit and a relay. The equipment which has relatively good sensing measuring precision performs effective automatic monitoring and recording on multiple bedding planes of a seabed and monitors in a way to switch from a single-point way to a multi-point way to form a stereoscopic monitoring face. Direct-viewing data are provided for submarine landslide researches. Information supports for natural disasters such as landslides, earthquakes, tsunamis, etc. and early warning services thereof are provided. Meanwhile, the equipment which has the characteristics of convenient operation and low cost can be used for underwater monitoring for a relatively long time.

Description

technical field [0001] The invention relates to an instrument for real-time monitoring and automatic recording of seabed geological changes, belonging to the technical field of seabed observation, in particular to a device for monitoring seabed landslides. Background technique [0002] Submarine landslide is a kind of natural disaster, which is the phenomenon that unconsolidated soft sediment or rock with weak structural surface on the submarine slope slides along the weak structural surface of the slope under the action of gravity. The reasons for submarine landslides are, on the one hand, due to the internal structure and dynamic conditions of the sediments, such as the content of clay substances in the seabed sediments, the high pressure generated by natural gas, etc.; on the other hand, some external inducing factors, such as earthquakes, waves etc. In addition to directly endangering drilling platforms, submarine optical cables, ports, docks and other facilities, larg...

AI Technical Summary

Problems solved by technology

At present, most of the studies on the stability of submarine slopes are on land slopes, and there are relatively few studies on submarine slopes. The understanding of submarine landslides is mostly qualitative descriptions, with few quantitative studies and low accuracy. There is also a lack of corresponding submarine observation instruments and equipment

Due to the different environmental conditions on the seabed and on land, the change process of the geological conditions on the seabed is slow and subtle, involving a wide range of areas. Using manual methods to observe and record at fixed points at regular intervals requires a huge workload and high cost.

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