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A Transmitting/Receiving Coil for Underground Nuclear Magnetic Resonance Water Exploration

A technology of receiving coils and nuclear magnetic resonance, which is used in the detection of electronic magnetic resonance/nuclear magnetic resonance, electrical/magnetic detection for logging records, etc. problems, to achieve the effect of increasing the area, increasing the energy, and increasing the depth of the test

Active Publication Date: 2018-10-19
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this patent has the defect that the predicted mileage is very short. The nuclear magnetic resonance signal attenuates seriously with the increase of the detection depth. At the same time, the section size of the tunnel is limited, and the coil cannot be made very large.

Method used

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  • A Transmitting/Receiving Coil for Underground Nuclear Magnetic Resonance Water Exploration
  • A Transmitting/Receiving Coil for Underground Nuclear Magnetic Resonance Water Exploration
  • A Transmitting/Receiving Coil for Underground Nuclear Magnetic Resonance Water Exploration

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0017] Such as figure 1 and figure 2 As shown, the present invention includes a fixed shaft 1, a central support 2, an electromagnetic induction coil 3, a Y-shaped frame 4, a spherical device 5 and an opening and closing device 6; The outer wall of the ball socket 13 is fixed with a divergent Y-shaped frame 4, the top of the Y-shaped frame 4 is fixedly connected to the corner of the square central support 2, and four opening and closing devices 6 are arranged on the four sides of the central support 2. The electromagnetic induction coil 3 Winding along the edge of the opening and closing device 6.

[0018] Such as figure 2 As shown, the above-mentioned spherical device 5 includes a ball head 12 and a ball socket 13, the ball socket 13 wraps the ball head 12, and the ball head 12 rotates in the air in the ball socket 13 without separation. The ball head ...

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Abstract

The invention discloses a transmitting / receiving coil for underground nuclear magnetic resonance water detection. The transmitting / receiving coil comprises a fixed shaft (1), a central support (2), an electromagnetic induction coil (3), a Y-shaped frame (4), a spherical device (5) and opening-closing devices (6); a ball head (12) of the spherical device (5) is connected to the front end of the fixed shaft (1), the divergent Y-shaped frame (4) is fixed on the outer wall of a ball socket (13) of the spherical device (5), the top end of the Y-shaped frame (4) is fixedly connected to an intersection angle of the square central support (2), the four opening-closing devices (6) are arranged on four edges of the central support (2), and the electromagnetic induction coil (3) is wound along the edges of the opening-closing devices (6). The transmitting / receiving coil disclosed by the invention has the advantage of increasing the test depth of underground prediction detecting water.

Description

technical field [0001] The invention belongs to the technical field of advanced geological prediction of underground engineering, and in particular relates to a transmitting / receiving coil for underground nuclear magnetic resonance water exploration. Background technique [0002] At present, my country has become the country with the largest number of tunnels, the largest construction scale and the fastest development speed in the world. With the acceleration of my country's infrastructure construction process, more long tunnels, tunnels and other underground projects will be built in the fields of transportation, water conservancy and hydropower, and mineral resource development. These tunnel projects generally have significant characteristics such as large buried depth, long tunnel line, and complex hydrogeological conditions. In addition, it is difficult to find out the hydrogeological conditions along the tunnel in the geological survey work in the early stage of constru...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V3/32
CPCG01V3/32
Inventor 周小平黄小城程浩王允腾
Owner CHONGQING UNIV
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