Transient electromagnetic three-component fluxgate probe with reverse coil
A transient electromagnetic, three-component technology, applied in radio wave measurement systems, electromagnetic/magnetic exploration, measurement devices, etc., can solve problems such as single-component sensors can only detect geological information in a single direction, and shallow detection is inaccurate. To achieve the effect of offsetting the interference of the primary field and enriching the geological information
Inactive Publication Date: 2019-04-09
武汉地大华睿地学技术有限公司
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[0003] The purpose of the invention is to provide a transient electromagnetic three-component fluxgate probe with a reverse coil. The present invention applies a transient field to the forward coil and the reverse coil, and detects geological information through a three-component fluxgate sensor. The present invention detects The depth range is wide, and the detection depth range is further extended to the shallow layer, and the obtained geological information is rich, including the abundant geological information in the XYZ three directions, so as to solve the problem of inaccurate shallow layer detection caused by primary field interference in the existing technology and the use of single component Sensors can only detect issues such as geological information in a single direction
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[0013] 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 some, not all, embodiments of the present invention. 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.
[0014] see figure 1 , a transient electromagnetic three-component fluxgate probe with a reverse coil, comprising a forward coil 1, a reverse coil 2 and a three-component fluxgate sensor 3, the periphery of the reverse coil 2 is provided with a forward coil 1, and the forward coil 1 and the reverse coil 2 are set concentrically. By adding a reverse coil 2 to the transient electromagnetic probe, the interference of the primary field is greatly offset, and the de...
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The invention discloses a transient electromagnetic three-component fluxgate probe with a reverse coil, comprising a forward coil, the reverse coil and a three-component fluxgate sensor, wherein the forward coil is disposed on the periphery of the reverse coil, the three-component fluxgate sensor is installed at the center of the reverse coil, a transient field is applied to the forward coil and the reverse coil, and geological information is collected and detected by the three-component fluxgate sensor. According to the transient electromagnetic three-component fluxgate probe disclosed by theinvention, the transient field is applied to the forward coil and the reverse coil, and the geological information is collected and detected by the three-component fluxgate sensor. The transient electromagnetic three-component fluxgate probe disclosed by the invention has a wide detection depth range and further expands the detection depth range to a shallow layer, and the obtained geological information is rich and comprises rich geological information on three XYZ directions.
Description
technical field [0001] The invention relates to the technical field of geological detection, in particular to a transient electromagnetic three-component fluxgate probe with a reverse coil. Background technique [0002] At present, the domestic transient electromagnetic probe is mainly composed of a transmitting coil and a single-component sensor. It is mainly based on the principle of electromagnetic induction, using the transmitting coil to send a pulsed magnetic field underground, and using the receiving coil to observe the secondary pulsed magnetic field during the gap between the primary pulsed magnetic field. Eddy current field, study the spatial and temporal distribution of the field to judge the location and characteristics of the abnormality found. For transient electromagnetic probes composed of transmitting coils and single-component sensors, there are disadvantages such as inaccurate shallow detection due to primary field interference, and single-component sensor...
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Login to view more IPC IPC(8): G01V3/08G01V3/10
CPCG01V3/081G01V3/104
Inventor 梁庆九
Owner 武汉地大华睿地学技术有限公司
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