Ultra-deep sea bed sediment ropeless gravity sampling system

A seabed sediment and sampling system technology, applied in the field of cableless seabed sediment sampling system, can solve the problems of ultra-deep sea sampling technology hindering deep sea geological and life science research, etc., to improve the success rate of delivery and recovery, strong stability, cost saving effect

Active Publication Date: 2017-06-27
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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Problems solved by technology

[0005] The shortage of ultra-deep-sea sampling technology has se

Method used

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  • Ultra-deep sea bed sediment ropeless gravity sampling system
  • Ultra-deep sea bed sediment ropeless gravity sampling system
  • Ultra-deep sea bed sediment ropeless gravity sampling system

Examples

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Embodiment 1

[0046] A cableless gravity sampling system generally comprising a recovery unit and a discard unit;

[0047] Such as figure 1 As shown, the recovery unit includes a buoyancy assembly 1, a beacon 2, a cable 3, a timing forced separation mechanism 12 and a sampler inner tube 4; the beacon 2 is located at the top of the buoy 1; the cable 3 is connected to The bottom of the buoyancy assembly 1 is connected to the top of the timing forced separation mechanism 12, and the bottom of the timing forced separation mechanism 12 is fixedly connected to the top of the inner tube 4 of the sampler;

[0048] Such as figure 2 , 3 As shown, the beacon 2 is composed of a top cabin 21 and a bottom cabin 22 connected from top to bottom; the top cabin 21 is a solid body of light-transmitting and wave-transmitting materials, and a GPS antenna 211, a wireless data The transmission station antenna 212, the light beacon 213 and the photosensitive element 214; the bottom cabin 22 is a hollow cylinde...

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Abstract

The invention provides an ultra-deep sea bed sediment ropeless gravity sampling system, mainly comprising a recycling unit and a discarding unit; the recycling unit comprises a beacon, a floating component, a rope and a sampler inner tube; the beacon is positioned at the top end of the floating component; the floating component, the rope and the sampler inner tube are connected with each other in sequence; the discarding unit comprises a sampler outer tube, a counterweight and a trigger unlocking mechanism; the counterweight peripherally arranged at the upper portion of the outer wall of the sampler outer tube; the trigger unlocking mechanism sleeves the outer wall of the sampler outer tube below the counterweight. The ultra-deep sea bed sediment ropeless gravity sampling system has higher reliability and safety and has lower cost than existing rope sampling methods.

Description

technical field [0001] The invention relates to a marine detection system, in particular to a seabed sediment layer sampling system, in particular to a cable-free seabed sediment sampling system for ultra-deep sea detection. Background technique [0002] Deep-sea earth and life science is currently a major international frontier scientific field, and its development is closely dependent on breakthrough innovations in deep-sea technology. Obtaining seabed sediments is one of the most common and important means in the process of deep sea research, which is of great significance to the study of geology, paleoclimate and microbial information in sediments. Throughout the history of seabed sediment research, it is not difficult to find that so far, research on seabed sediments in ultra-deep (water depth greater than 7,000 meters) sea areas such as the sea bucket abyss is very weak. There are 25 trenches in the world with a depth greater than 7,000 meters, of which 18 are in the ...

Claims

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Application Information

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IPC IPC(8): G01N1/02
CPCG01N1/02G01N2001/021
Inventor 林间孙兆华黄健龙杨小秋曾信周璇
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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