Ground dual-electrical-method detecting instrument
An electrical detection and instrument technology, which is applied in boreholes/well components, earthwork drilling, etc., can solve problems such as insufficient detection depth, excessive measurement current, and limited application range, and achieve improved detection depth and small instrument volume , the effect of increasing the resolution
Inactive Publication Date: 2014-07-02
SOUTHWEST PETROLEUM UNIV
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Problems solved by technology
Foreign instruments are expensive, and domestic instruments have three major defects: insufficient detection depth, insufficient detection accuracy, and limited application range due to excessive measurement current
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specific Embodiment
[0010] With reference to the drawings, the specific embodiments of the present invention are as follows:
[0011] The present invention is a ground dual-electric detection instrument, which mainly includes outdoor high-power lithium power supply 1, signal generator 2, measurement circuit 3, signal storage circuit 4, inert electrode 5, GPS module 6, data processing module 7, image display module 8. The composition of mineral deposit evaluation module 9. The instrument is supplied with power through the outdoor high-power lithium power supply 1, and the signal generator 2 generates a medium and low frequency AC signal. The measuring circuit 3 measures the active current and the reactive current flowing to the object under test through the two electrodes, and then converts it into a passive current by the measuring circuit 3. The resistivity and permittivity signals of the measured object are stored in the signal storage circuit 4 and the measurement data are stored. At the same tim...
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The invention relates to a ground dual-electrical-method detecting instrument used for the ground detection technology. The ground dual-electrical-method detecting instrument mainly comprises an outdoor high-power lithium power source, a signal generator, a measuring circuit, a signal storing circuit, a noble electrode, a GPS module, a data processing module, an image displaying module and a mineral resource evaluation module. The ground dual-electrical-method detecting instrument is powered on through the outdoor large-power lithium power source, low and medium frequency alternating-current signals are generated by the signal generator, the measuring circuit respectively measures an active current and a reactive current flowing to an object to be detected through two electrodes, and converts the active current and the reactive current into specific resistance signals and capacitivity signals of the object to be detected, the measured data are stored through the signal storing circuit and processed through software of the ground dual-electrical-method detecting instrument, an image, obtained after data conversion, of the object to be detected is displayed through the image displaying module, and the evaluation result of mineral resources in the area to be detected is given. According to the ground dual-electrical-method detecting instrument, the detection depth can be increased, the resolution ratio is improved, and the ground dual-electrical-method detecting instrument is small in size and convenient to carry.
Description
Technical field [0001] The invention relates to a ground double-electric method detection instrument used for ground detection technology, which can be used to detect various types of underground solid and liquid mineral deposits. technical background [0002] Existing ground electrical detection instruments, such as the American V8 multifunctional digital electrical detection instrument, and Chongqing Geological Instrument Factory ATEM-II electrical detection instrument, are based on the basic principle of collecting resistivity parameters and excitation polarization parameters through active current. Foreign instruments are expensive, and domestic instruments have three major defects: insufficient detection depth, insufficient detection accuracy, and limited application range due to excessive measurement current. [0003] After years of research, the project team has mastered the ionic permittivity detection technology and the permittivity / resistivity dual electrical detection te...
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IPC IPC(8): E21B49/00
Inventor 刘红岐邓友明
Owner SOUTHWEST PETROLEUM UNIV