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Sea-bottom seismograph

A seismometer and seismometer technology, applied in the field of seismographs, can solve the problems of inaccessibility of seismometers, low coupling between seismometers and the seabed ground, and achieve the effect of reducing swing noise and improving accuracy

Active Publication Date: 2018-09-28
SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

However, the seismometer cannot be in full contact with the seabed ground, the coupling between the seismometer and the seabed ground is low, and the bottom flow of the seabed will also have a certain impact on the seismometer

Method used

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Embodiment Construction

[0054] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only the parts related to the present invention are shown in the drawings but not all of them.

[0055] Such as Figure 1-3 As shown, this embodiment provides a submarine seismograph, which includes a mounting frame body 1 and a seismometer module 2 for detecting vibration signals of the seabed ground. The mounting frame body 1 includes a base 11 and a seismometer bracket 12 integrally connected with the base 11, the seismometer bracket 12 is provided with a first mounting plate 15, and an electromagnetic releaser 31 is connected to the first mounting plate 15 , the electrom...

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Abstract

The invention relates to the technical field of seismographs, and discloses a sea-bottom seismograph which comprises a mounting frame body and a seismometer module. The mounting frame body comprises abase and a seismometer support integrally connected with the base, a first mounting plate is arranged on the seismometer support, an electromagnetic releaser is connected on the mounting plate and electrically connected with a seismograph controller, and an armature matched and connected with the electromagnetic releaser is arranged on the seismometer module. According to the sea-bottom seismograph, the seismometer module and a seismograph body are split, the electromagnetic releaser is arranged on the seismograph body and separately releases the seismometer module, the influence of sea bottom flow on the seismograph body cannot be conducted to the seismometer module, swing noise of the seismometer module is reduced, the seismometer module separately and sufficiently contacts with the seabottom ground, and the ground signal acquiring accuracy of a seismometer is improved.

Description

technical field [0001] The invention relates to the technical field of seismographs, in particular to a seabed seismograph. Background technique [0002] Seabed seismographs are widely used in the fields of research on crustal movement, resource exploration and development, imaging of the earth's internal structure, and monitoring of seabed dynamic processes. Seismometers are the most critical sensors in ocean floor seismographs, recording ground vibration signals. According to different seismic observation frequency bands, seismometers can be divided into: broadband seismometers, short-period seismometers, etc. Broadband seismometers are usually used to observe vibrations generated by active sources (natural earthquakes), while short-period seismometers are more conducive to observations of passive sources (artificial earthquakes). [0003] At present, the submarine seismograph mainly adopts an integrated structure, that is, the seismometer and the instrument body are int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/00
CPCG01V1/01Y02A90/30
Inventor 刘丹杨挺王宜志
Owner SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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