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Intelligent ship base deep-sea sediment gravity sampling device

A deep-sea sediment and sampling device technology, which is applied in the direction of sampling devices, signal transmission systems, instruments, etc., can solve the problems of being unable to monitor the falling trajectory and posture of the gravity sampler, and cannot evaluate the quality of sediment sampling, so as to improve the quality of sampling and Effects of efficiency, size reduction, and ease of installation and removal

Pending Publication Date: 2018-02-23
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the key problems such as the inability to monitor the falling track and attitude of the traditional gravity sampler in the water, and the inability to evaluate the sampling quality of sediments. The sensor system is installed on the gravity sampler to record the time-space position, acceleration, deflection angle, seawater temperature, salinity and other information of the sampler, and combined with Acoustic Doppler Current Profilers (ADCP) to measure the ocean current Analyze and evaluate the drop attitude and sampling quality of the sampler in the water as the speed changes with the water depth

Method used

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Embodiment

[0017] First, the gravity sampling system 1 is assembled, the lead counterweight 1 is fixed on the hollow steel pipe through a clamp, the lead counterweight 1 and the sampling steel pipe 2 are connected by threads, and the PVC-lined storage pipe is loaded into the sampling steel pipe 2, The cutter head 3 is connected to the sampling steel pipe 2 through threads, and a petal-shaped barrier is installed inside the cutter head 3 . Connect the dome 4 to the gravimetric sampling system, the dome 4 is connected to the winch 6 by the cable 5 . The integrated self-contained sensor 7 is installed in the sealed shell of solid buoyancy material, and then the sealed shell is fixed on the counterweight lead block 1 . The integrated self-contained sensor 7 is calibrated before use, and at the same time, the waterproof and pressure-resistant performance of the solid buoyancy material sealed shell is verified through high-pressure water tank experiments. Subsequently, the integrated self-con...

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Abstract

The invention discloses an intelligent ship base deep-sea sediment gravity sampling device and belongs to the technical field of underwater sediment sample collection in projects such as rock soil, geology, biology and environments. The intelligent ship base deep-sea sediment gravity sampling device comprises two parts, namely a gravity sampling system and a real-time data acquisition, analysis and processing system. The device is applicable to deep-sea sediment collection, and the sampling quality and efficiency can be evaluated and improved. Due to adoption of an integrated self-contained sensor, the sizes of sensors and sealing shells of the sensors can be reduced, stability and reliability of acquired data can be ensured, sensor data are transmitted through wireless Bluetooth, and thedata exporting efficiency is improved; with the combination of data processing software, real-time rapid data analysis is achieved, and sampling quality can be evaluated; and by using a computer software data simulation optimization system, design of a gravity sampler and a guide cover can be optimized in real time, and furthermore the sampling quality and the sampling efficiency are improved.

Description

technical field [0001] The invention belongs to the technical field of underwater sediment sample collection in geotechnical, geological, biological and environmental engineering, and relates to a ship-based deep-sea sediment intelligent gravity sampling device. Background technique [0002] With the construction of my country's "Belt and Road" and "Maritime Silk Road", it has become the requirement of the development of the times to continuously march to the sea. Seabed sediments, especially deep-sea sediments, are very important for the evaluation of foundation soil strength and stability in geotechnical engineering, the division of sedimentary ages in geological engineering, the study of benthic organisms in bioengineering and the analysis of pollutants in environmental engineering . At present, the effective way to collect deep sediments on the seabed surface is mainly a gravity columnar sampler, which mainly relies on the gravity of the sampler itself to plunge the cyl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08G08C17/02
CPCG08C17/02G01N1/08
Inventor 王胤任玉宾杨庆马哲喻言
Owner DALIAN UNIV OF TECH
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