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Deep sea transient electromagnetic method detection receiving device and control method thereof

A transient electromagnetic method and a receiving device technology, which is applied in the field of deep-sea transient electromagnetic method detection and receiving devices, can solve problems such as excessive mutual inductance, low detection energy, and inability to receive surface data, and improve the signal-to-noise ratio of secondary field signals. , increase the range and depth of detection, eliminate the effect of the induction transition process

Pending Publication Date: 2020-08-14
湖南普力海洋科技有限公司
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Problems solved by technology

[0006] The technical problem solved by the present invention is to provide a deep-sea transient electromagnetic method detection and receiving device and its control method to solve the problem that the electromagnetic detection device in the prior art has too large mutual inductance due to excessive detection energy, and the surface data cannot be received; And in order to reduce the mutual inductance effect of the detection device, the detection energy is small, and the deep data in the deep sea environment cannot be received.

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  • Deep sea transient electromagnetic method detection receiving device and control method thereof
  • Deep sea transient electromagnetic method detection receiving device and control method thereof
  • Deep sea transient electromagnetic method detection receiving device and control method thereof

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Embodiment Construction

[0032] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] 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 creative efforts fall within the protection scope of the present invention.

[0034] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positi...

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Abstract

The invention discloses a deep sea transient electromagnetic method detection receiving device and a control method thereof. The detection receiving device comprises a controller, a transmitting coiland a receiving coil, and the transmitting coil and the receiving coil are respectively connected with the controller; the receiving coil comprises a first receiving area and a second receiving area,the plane where the transmitting coil is located serves as a reference plane, the orthographic projection of the first receiving area on the reference plane is located in the transmitting coil, and the orthographic projection of the second receiving area on the reference plane is located outside the transmitting coil; and when the transmitting coil generates a primary field, the magnetic flux passing through the first receiving area is equal to the magnetic flux passing through the second receiving area. The electromagnetic detection device is used for solving the problems that in the prior art, mutual inductance is too large and surface data cannot be received due to too large detection energy of an electromagnetic detection device, and in order to reduce the mutual inductance influence of the detection device, deep data in the deep sea environment cannot be received.

Description

technical field [0001] The invention belongs to the technical field of marine detection equipment, and in particular relates to a deep-sea transient electromagnetic detection receiving device and a control method thereof. Background technique [0002] Deep-sea hydrothermal polymetallic sulfide minerals are resources rich in metal elements such as Cu, Pb, Zn, Au, Ag, etc. They usually occur on the seabed at a water depth of 1200-3700 meters, and are widely distributed in mid-ocean ridges and island arcs and back-arc basins and other geological environments. This kind of ore body is accumulated within a few hundred meters, rich and shallow, which is convenient for seabed mining, and the prospect of resource development is very attractive. [0003] At present, in the exploration of seabed oil and gas layers, the marine controlled source electromagnetic method is mainly used. For example, Imamura et al. used the method of vertical galvanic source and horizontal galvanic source ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/10
CPCG01V3/101
Inventor 吴冬华
Owner 湖南普力海洋科技有限公司
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