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Single-floating-ball seabed-heat-flow long-term observation system

A technology of submarine heat flow and observation system, which is applied in geophysical measurement, detection/exploration using thermal methods, measurement devices, etc. Effect

Inactive Publication Date: 2016-07-20
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • Single-floating-ball seabed-heat-flow long-term observation system
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  • Single-floating-ball seabed-heat-flow long-term observation system

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Embodiment Construction

[0038] Such as figure 1 As shown in -4, a long-term observation system for seafloor heat flow with a single float, including a recovery unit and a discard unit;

[0039] Among them, the recovery unit includes a hollow cabin body 1 and four floating body material assemblies 2 of the same specification arranged around the hollow cabin body 1; the hollow cabin body 1 is a floating ball with a plastic shell on the outside and a glass liner on the inside. Load the main control board, fuse release circuit board, multi-channel temperature acquisition board, multiple sets of rechargeable batteries, attitude sensors, GPS modules, wireless modules, etc.; a number of LED lights are set on the edge of the circuit board inside the hollow cabin 1, and corresponding The LED lights have light-transmitting holes in the corresponding positions of the external plastic shell; the floating body material components 2 are equally spaced on the same horizontal surface around the hollow cabin 1, and are f...

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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 seabed heat flow long-term observation equipment used for seabed heat flow observation. Background technique [0002] The terrestrial heat flow is a direct display of the earth's internal thermal processes on the seafloor. It is not only the key data for understanding the rate of heat dissipation of the earth, but also the basic data for dynamic research and reconstruction of sedimentary basin evolution and the evaluation of the potential of oil and gas and hydrate resources. The seabed heat flow can be measured by borehole temperature measurement data and seabed heat flow probes. Due to the limited distribution area of ​​oil drilling and ocean drilling boreholes, the seabed heat flow probe is convenient for ship loading, relatively flexible in operation, low cost, and can be used for detailed heat flow measurement according to actual scientific issu...

Claims

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Application Information

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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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