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Deep sea offshore surface water body disturbance-free fidelity sampler

A sampler and dynamic fidelity technology, applied in the direction of sampling devices, etc., can solve the problems of inability to sample seabed surface water, inability to achieve non-disturbance sampling of surface water, inability to achieve continuous sampling of surface water at different heights, etc., and achieve the effect of avoiding pollution.

Inactive Publication Date: 2008-04-30
CENT SOUTH UNIV
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Problems solved by technology

[0002] Existing deep sea water samplers usually can only sample water bodies in deep sea space, and cannot sample surface water bodies near the seabed in deep sea (water depth greater than 3000 meters), let alone realize continuous sampling of surface water bodies at different heights
There are surface water samplers in foreign countries, but the sampling depth is less than 1000 meters, which are usually used for sampling surface water in lakes and shallow seas, and can not achieve undisturbed sampling of surface water

Method used

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  • Deep sea offshore surface water body disturbance-free fidelity sampler

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Embodiment Construction

[0011] Accompanying drawing 1 is the implementation scheme with three sampling units, and the working principle is as follows: drain the water in the sampling cylinder 2 before sampling the sampling unit, charge the accumulator 3 to the set pressure value in advance, and set the trigger 9 height difference from frame 1. During the lowering process of the sampler, due to the function of the deflector 8 , the orientation of the sampling cylinder 2 is always consistent with the inflow direction of seawater, and the position of the trigger 9 is always located below the frame 1 . When the trigger 9 hits the bottom, a sampling signal is given, and the microcontroller 6 simultaneously opens the high-pressure seawater solenoid valve 5 of each sampling unit, and seawater enters the sampling cylinder 2, realizing synchronous sampling of multi-height water bodies. Since the trigger 9 is located in the outflow direction of the seawater, the deep-sea sediment stirred up by the trigger 9 wi...

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Abstract

The undisturbed fidelity sampler of the surface water near the deep sea, including a frame, a sampling unit, a deflector, a microcontroller, and a trigger. The present invention ensures that the direction of the sampling cylinder of the sampler is consistent with the flow direction of the seawater before sampling by designing the deflector, and by placing the trigger behind the sampler, it avoids arousing the impact of deep-sea sediments when the trigger hits the bottom. The sampling water area is polluted, and the undisturbed sampling of deep sea water is realized; the pre-charged accumulator is used as the pressure compensator to realize the pressure-holding sampling of the water body.

Description

technical field [0001] The invention relates to a deep-sea water sampler, in particular to a deep-sea near-bottom surface water sampler. Background technique [0002] Existing deep sea water samplers usually can only sample water bodies in deep sea space, and cannot sample surface water bodies near the seabed in deep sea (water depth greater than 3000 meters), let alone realize continuous sampling of surface water bodies at different heights. There are surface water samplers in foreign countries, but the sampling depth is less than 1000 meters. They are usually used for sampling surface water in lakes and shallow seas, and cannot achieve undisturbed sampling of surface water. Contents of the invention [0003] In order to realize the undisturbed fidelity sampling of the surface water body in the deep sea near the seabed, the present invention is proposed. [0004] The technical solution adopted by the present invention to solve its technical problems is: [0005] The und...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/20
Inventor 黄中华刘少军李力
Owner CENT SOUTH UNIV
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