Low-power-consumption wideband single-compartment-ball sea seismograph

A wide-band, single-chamber ball technology, applied in the field of geophysical exploration, can solve the problems of long continuous working time, achieve the effect of reducing additional vibration, reducing manufacturing time and workload, and good consistency

Inactive Publication Date: 2017-05-17
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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  • Application Information

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Problems solved by technology

However, with the development of oil and gas exploration to deep water and ocean residual basins and the demand for exploration and research on natural gas hydrates, the requirements for the performance indicators of submarine digital seismometers are also getting higher and higher. The technical problems that the rate needs to be further improved and the continuous working time needs to be longer

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  • Low-power-consumption wideband single-compartment-ball sea seismograph
  • Low-power-consumption wideband single-compartment-ball sea seismograph
  • Low-power-consumption wideband single-compartment-ball sea seismograph

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] A low-power broadband single-chamber ball submarine seismograph, including a plastic shell, a glass instrument pod, a self-floating mechanism, and a counterweight pop-up frame; the glass instrument pod is fixed in a plastic shell, and the self-floating mechanism is located in the plastic shell At the top, the counterweight pop-up frame is located at the bottom of the plastic shell; the self-floating mechanism and the counterweight pop-up fr...

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Abstract

The invention discloses a low-power-consumption wideband single-compartment-ball sea seismograph which comprises a plastic shell, a glass instrument compartment ball, a variable-buoyancy mechanism and a weight upspring frame. The glass instrument compartment ball is fixedly mounted in the plastic shell, the variable-buoyancy mechanism is positioned at the top end of the plastic shell, and the weight upspring frame is positioned at the bottom end of the plastic shell; the variable-buoyancy mechanism and the weight upspring frame are fixedly connected by a tensioning steel wire to fix the plastic shell in the weight upspring frame. The sea seismograph integrates an independently developed wideband seismograph (30s-100Hz) with a water sound pressure sensor mounted outside an instrument, thereby being capable of realizing multipurpose seaquake detection.

Description

technical field [0001] The invention belongs to the field of geophysical exploration, and relates to the technical field of marine seismic observation, in particular to a low-power-consumption broadband single-chamber spherical seabed seismograph. Background technique [0002] Seabed seismographs, especially broadband seabed seismographs, are an indispensable instrument for deep sea exploration, but they have only been disclosed in principle, and there is no public information on the specific implementation structure. It is also difficult to realize the data in the industry. In addition, the introduction of submarine seismographs has been restricted by foreign countries, so that the introduction plans of many earth science research institutes in my country have been put on hold. [0003] Since 2000, with the support of the 863 high-tech plan, the Institute of Geology and Geophysics of the Chinese Academy of Sciences has independently developed a high-frequency submarine dig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/38
CPCG01V1/3808
Inventor 游庆瑜郝天珧赵春蕾
Owner INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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