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Hydraulic pressure-triggering deep sea hot liquid air-tight sampling instrument

A deep-sea hydrothermal fluid and sampler technology, which is applied to sampling devices and other directions, can solve the problems of increasing the weight and volume of the sampler, lack of air-tightness, and complicated driving mechanism, and achieves simple structure, high action reliability, and overall structure. compact effect

Inactive Publication Date: 2011-01-12
ZHEJIANG UNIV
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Problems solved by technology

Obtaining samples is a necessary means to study deep-sea hydrothermal fluids. At present, research on deep-sea hydrothermal samplers has been carried out at home and abroad, but some of the existing samplers are not air-tight and cannot be used for quantitative analysis of gas in hydrothermal fluids. components, while some airtight samplers use more complex drive mechanisms, which increase the weight and volume of the sampler, which is not conducive to deep-sea use

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  • Hydraulic pressure-triggering deep sea hot liquid air-tight sampling instrument
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  • Hydraulic pressure-triggering deep sea hot liquid air-tight sampling instrument

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Embodiment Construction

[0009] Further illustrate the present invention below in conjunction with accompanying drawing.

[0010] refer to figure 1 and figure 2 , the deep-sea hydrothermal airtight sampler triggered by hydraulic pressure of the present invention comprises: sampling valve 2, sampling cavity 12, accumulator cavity 7, circuit cavity 15 and the hydraulic triggering mechanism 3 that is coaxially connected with sampling valve 2; One port is connected to the sampling tube 1, and the other port is connected to the sampling chamber 12. The sampling chamber 12 and the energy storage chamber 7 are respectively fixed at both ends of the connector 10. The connector 10 is provided with a joint connecting the sampling chamber 12 and the energy storage chamber 7. A flow device 11, a sampling piston 13 and an energy storage piston 6 are respectively arranged in the sampling chamber 12 and the energy storage chamber 7, and the end of the energy storage chamber 7 is connected with an air charging valv...

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Abstract

The invention discloses a hydraulic pressure triggered deep sea thermal water air tight sampler comprising a sampling valve, a sampling cavity, an energy storage cavity, a circuit cavity, and a hydraulic pressure trigger mechanism in coaxial connection with the sampling valve. The sampler provided by the invention is characterized in that the sampling valve is turned on and off through hydraulic driving; the trigger mechanism has a simple structure, and the reliability of action is high; and the thrust necessary for turning on the sampling valve can be greatly reduced because the hydraulic pressure trigger mechanism is capable of amplifying force. By utilizing the compressed nitrogen in the energy storage cavity to compensate for pressure, the sampler has excellent pressure maintaining performance. The sampler is integrated with a temperature measurement system, so that the real-time temperature of the thermal water can be obtained during the process of sampling. Furthermore, the sampler with a compact overall structure and a small overall size is suitable for the operation of a manipulator of a deep submergence vehicle.

Description

technical field [0001] The invention relates to a deep-sea hydrothermal sampling device, in particular to a deep-sea hydrothermal airtight sampler which uses a hydraulic drive method to control a sampling valve. Background technique [0002] Deep-sea hydrothermal vents are one of the most prominent features of the seabed. Not only are there a large number of mineral resources such as metal sulfides in the vicinity of hydrothermal vents, but also a unique biological community in an extreme environment has been bred, which has important deep-sea resource exploration and scientific research value. . Obtaining samples is a necessary means to study deep-sea hydrothermal fluids. At present, research on deep-sea hydrothermal samplers has been carried out at home and abroad, but some of the existing samplers are not air-tight and cannot be used for quantitative analysis of gas in hydrothermal fluids. Components, while some airtight samplers use a more complex drive mechanism, which...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/14
Inventor 杨灿军吴世军丁抗谢延青杨磊陈鹰
Owner ZHEJIANG UNIV
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