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A Long-Term Observation System for Seabed Heat Flow with a Single Float

A technology of submarine heat flow and observation system, which is applied in geophysical measurement, detection/exploration using thermal methods, and measurement devices, etc., can solve the problems of reaction force precision instruments and equipment damage, large design, impact and other problems, and achieve the effect of improving safety.

Inactive Publication Date: 2017-03-29
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a contradiction in the process of the system reaching the seafloor to insert sediments, that is, on the one hand, sufficient downward momentum is required for the probe to stably and effectively insert into the sediments, and on the other hand, the reaction force provided by the momentary sediment layer inserted Too large may cause damaging impact on the precision instruments and equipment of the recovery unit above
This contradiction cannot be fully resolved
[0006] 3. In the existing technology, the long-term observation system of seabed heat flow is often designed too large, and it is difficult to operate at sea

Method used

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  • A Long-Term Observation System for Seabed Heat Flow with a Single Float
  • A Long-Term Observation System for Seabed Heat Flow with a Single Float
  • A Long-Term Observation System for Seabed Heat Flow with a Single Float

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Embodiment Construction

[0038] Such as figure 1 ‐4 shows a long-term observation system for seabed heat flow with a single floating ball, including a recovery unit and a jettison unit;

[0039] Wherein, the recovery unit comprises a hollow cabin body 1 and 4 floating body material components 2 of the same specification arranged around the hollow cabin body 1; Load the main control board, fuse releaser circuit board, multi-channel temperature acquisition board, multiple sets of rechargeable batteries, attitude sensor, GPS module, wireless module, etc.; set a number of LED lights on the edge of the inner circuit board of the hollow cabin body 1, and correspond to the The LED lights have light-transmitting holes at the corresponding positions of the external plastic shell; the floating body material components 2 are equidistantly distributed on the same horizontal plane around the hollow cabin body 1, and are fixedly connected with the hollow cabin body 1 through the connecting plate 3; The support fra...

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Abstract

A single-floating-ball seabed-heat-flow long-term observation system comprises a recovery unit and an abandoning unit. The recovery unit comprises a hollow cabin body and a floating body material component arranged around the hollow cabin body. A cross support which is fixedly connected to a hollow cabin body bottom surface is also included. A hollow cabin body bottom is provided with a water tight joint and a top is provided with a transducer. The abandoning unit comprises a horizontal regular polygon sinking support. A position of each corner of the sinking support is fixedly connected to a rectification component. A center position of the sinking support is provided with a cylindrical cabin, a funnel cabin and a needle-shaped cabin from top to bottom. A top of the cylindrical cabin is provided with a through hole. A balancing weight whose center is provided with a through hole and a buffer space are arranged in the cylindrical cabin. The funnel cabin is fixedly connected to a bottom edge of the cylindrical cabin and covers an upper portion of the needle-shaped cabin. A heat-flow detection component with a temperature sensor is arranged in the needle-shaped cabin. The structure of the observation system is reasonable. The abandoning portion and the recovery portion can be smoothly separated by themselves, and equipment can be recycled furthest.

Description

technical field [0001] The invention relates to the technical field of seabed detection equipment, in particular to a self-floating long-term seabed heat flow observation device for seabed heat flow observation. Background technique [0002] Terrestrial heat flow is the direct display of the earth's internal heat process on the seabed. It is not only the key data to understand the heat loss rate of the earth, but also the basic data to carry out dynamic research and reconstruct the evolution of sedimentary basins, and evaluate the potential of oil, gas and hydrate resources. Seafloor heat flow can be measured by borehole temperature measurement data and seafloor heat flow probes. Due to the limited distribution area of ​​oil drilling and ocean drilling holes, the submarine heat flow probe is easy to carry on board, the operation is relatively flexible, the cost is low, and detailed heat flow measurement can be carried out according to actual scientific problems and sea areas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V9/00
CPCG01V9/005
Inventor 杨小秋孙兆华曾信施小斌黄健龙李晓伟黄锐
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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